sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1 | |
| 2 | /*--------------------------------------------------------------------*/ |
njn | c1b0181 | 2005-06-17 22:19:06 +0000 | [diff] [blame] | 3 | /*--- Wrappers for generic Unix system calls syswrap-generic.c ---*/ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 4 | /*--------------------------------------------------------------------*/ |
| 5 | |
| 6 | /* |
njn | b9c427c | 2004-12-01 14:14:42 +0000 | [diff] [blame] | 7 | This file is part of Valgrind, a dynamic binary instrumentation |
| 8 | framework. |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 9 | |
njn | 5361242 | 2005-03-12 16:22:54 +0000 | [diff] [blame] | 10 | Copyright (C) 2000-2005 Julian Seward |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 11 | jseward@acm.org |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 12 | |
| 13 | This program is free software; you can redistribute it and/or |
| 14 | modify it under the terms of the GNU General Public License as |
| 15 | published by the Free Software Foundation; either version 2 of the |
| 16 | License, or (at your option) any later version. |
| 17 | |
| 18 | This program is distributed in the hope that it will be useful, but |
| 19 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 21 | General Public License for more details. |
| 22 | |
| 23 | You should have received a copy of the GNU General Public License |
| 24 | along with this program; if not, write to the Free Software |
| 25 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 26 | 02111-1307, USA. |
| 27 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 28 | The GNU General Public License is contained in the file COPYING. |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 29 | */ |
| 30 | |
njn | c7561b9 | 2005-06-19 01:24:32 +0000 | [diff] [blame] | 31 | #include "pub_core_basics.h" |
| 32 | #include "pub_core_threadstate.h" |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 33 | #include "pub_core_debuginfo.h" // VG_(di_notify_*) |
sewardj | 55f9d1a | 2005-04-25 11:11:44 +0000 | [diff] [blame] | 34 | #include "pub_core_aspacemgr.h" |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 35 | #include "pub_core_transtab.h" // VG_(discard_translations) |
| 36 | #include "pub_core_clientstate.h" // VG_(brk_base), VG_(brk_limit) |
njn | 899ce73 | 2005-06-21 00:28:11 +0000 | [diff] [blame] | 37 | #include "pub_core_debuglog.h" |
njn | 0087c50 | 2005-07-01 04:15:36 +0000 | [diff] [blame] | 38 | #include "pub_core_errormgr.h" |
njn | 97405b2 | 2005-06-02 03:39:33 +0000 | [diff] [blame] | 39 | #include "pub_core_libcbase.h" |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 40 | #include "pub_core_libcassert.h" |
njn | de62cbf | 2005-06-10 22:08:14 +0000 | [diff] [blame] | 41 | #include "pub_core_libcfile.h" |
| 42 | #include "pub_core_libcprint.h" |
njn | f39e9a3 | 2005-06-12 02:43:17 +0000 | [diff] [blame] | 43 | #include "pub_core_libcproc.h" |
njn | de62cbf | 2005-06-10 22:08:14 +0000 | [diff] [blame] | 44 | #include "pub_core_libcsignal.h" |
njn | af1d7df | 2005-06-11 01:31:52 +0000 | [diff] [blame] | 45 | #include "pub_core_mallocfree.h" |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 46 | #include "pub_core_options.h" |
njn | c7561b9 | 2005-06-19 01:24:32 +0000 | [diff] [blame] | 47 | #include "pub_core_scheduler.h" |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 48 | #include "pub_core_signals.h" |
njn | 419bbcb | 2005-06-21 03:52:49 +0000 | [diff] [blame] | 49 | #include "pub_core_stacktrace.h" // For VG_(get_and_pp_StackTrace)() |
njn | 9abd608 | 2005-06-17 21:31:45 +0000 | [diff] [blame] | 50 | #include "pub_core_syscall.h" |
njn | c1b0181 | 2005-06-17 22:19:06 +0000 | [diff] [blame] | 51 | #include "pub_core_syswrap.h" |
njn | 419bbcb | 2005-06-21 03:52:49 +0000 | [diff] [blame] | 52 | #include "pub_core_tooliface.h" |
njn | 7375061 | 2005-10-14 03:11:30 +0000 | [diff] [blame] | 53 | #include "pub_core_ume.h" |
sewardj | 55f9d1a | 2005-04-25 11:11:44 +0000 | [diff] [blame] | 54 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 55 | #include "priv_types_n_macros.h" |
njn | c1b0181 | 2005-06-17 22:19:06 +0000 | [diff] [blame] | 56 | #include "priv_syswrap-generic.h" |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 57 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 58 | #include "vki_unistd.h" /* for the __NR_* constants */ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 59 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 60 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 61 | /* Returns True iff address range is something the client can |
| 62 | plausibly mess with: all of it is either already belongs to the |
| 63 | client or is free or a reservation. */ |
| 64 | |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 65 | Bool ML_(valid_client_addr)(Addr start, SizeT size, ThreadId tid, |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 66 | const Char *syscallname) |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 67 | { |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 68 | Bool ret; |
| 69 | |
| 70 | if (size == 0) |
| 71 | return True; |
| 72 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 73 | ret = VG_(am_is_valid_for_client_or_free_or_resvn) |
| 74 | (start,size,VKI_PROT_NONE); |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 75 | |
| 76 | if (0) |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 77 | VG_(printf)("%s: test=%p-%p ret=%d\n", |
| 78 | syscallname, start, start+size-1, (Int)ret); |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 79 | |
nethercote | 1543adf | 2004-10-25 15:43:21 +0000 | [diff] [blame] | 80 | if (!ret && syscallname != NULL) { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 81 | VG_(message)(Vg_UserMsg, "Warning: client syscall %s tried " |
| 82 | "to modify addresses %p-%p", |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 83 | syscallname, start, start+size-1); |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 84 | if (VG_(clo_verbosity) > 1) { |
njn | d01fef7 | 2005-03-25 23:35:48 +0000 | [diff] [blame] | 85 | VG_(get_and_pp_StackTrace)(tid, VG_(clo_backtrace_size)); |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 86 | } |
| 87 | } |
| 88 | |
| 89 | return ret; |
| 90 | } |
| 91 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 92 | |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 93 | Bool ML_(client_signal_OK)(Int sigNo) |
njn | 419bbcb | 2005-06-21 03:52:49 +0000 | [diff] [blame] | 94 | { |
| 95 | /* signal 0 is OK for kill */ |
njn | 351d006 | 2005-06-21 22:23:59 +0000 | [diff] [blame] | 96 | Bool ret = sigNo >= 0 && sigNo <= VG_SIGVGRTUSERMAX; |
njn | 419bbcb | 2005-06-21 03:52:49 +0000 | [diff] [blame] | 97 | |
| 98 | //VG_(printf)("client_signal_OK(%d) -> %d\n", sigNo, ret); |
| 99 | |
| 100 | return ret; |
| 101 | } |
| 102 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 103 | |
| 104 | /* Handy small function to help stop wrappers from segfaulting when |
| 105 | presented with bogus client addresses. Is not used for generating |
| 106 | user-visible errors. */ |
| 107 | |
| 108 | Bool ML_(safe_to_deref) ( void* start, SizeT size ) |
| 109 | { |
| 110 | return VG_(am_is_valid_for_client)( (Addr)start, size, VKI_PROT_NONE ); |
| 111 | } |
| 112 | |
| 113 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 114 | /* --------------------------------------------------------------------- |
nethercote | 27ea8bc | 2004-07-10 17:21:14 +0000 | [diff] [blame] | 115 | Doing mmap, mremap |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 116 | ------------------------------------------------------------------ */ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 117 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 118 | // Nb: this isn't done as precisely as possible, but it seems that programs |
| 119 | // are usually sufficiently well-behaved that the more obscure corner cases |
| 120 | // aren't important. Various comments in the few functions below give more |
| 121 | // details... njn 2002-Sep-17 |
| 122 | |
| 123 | /* AFAICT from kernel sources (mm/mprotect.c) and general experimentation, |
| 124 | munmap, mprotect (and mremap??) work at the page level. So addresses |
| 125 | and lengths must be adjusted for this. */ |
| 126 | |
| 127 | /* Mash around start and length so that the area exactly covers |
| 128 | an integral number of pages. If we don't do that, memcheck's |
| 129 | idea of addressible memory diverges from that of the |
| 130 | kernel's, which causes the leak detector to crash. */ |
| 131 | static |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 132 | void page_align_addr_and_len( Addr* a, SizeT* len) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 133 | { |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 134 | Addr ra; |
| 135 | |
njn | 13bfd85 | 2005-06-02 03:52:53 +0000 | [diff] [blame] | 136 | ra = VG_PGROUNDDN(*a); |
| 137 | *len = VG_PGROUNDUP(*a + *len) - ra; |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 138 | *a = ra; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 139 | } |
| 140 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 141 | /* When a client mmap has been successfully done, this function must |
| 142 | be called. It notifies both aspacem and the tool of the new |
| 143 | mapping. |
| 144 | */ |
| 145 | void |
| 146 | ML_(notify_aspacem_and_tool_of_mmap) ( Addr a, SizeT len, UInt prot, |
sewardj | 274461d | 2005-10-02 17:01:41 +0000 | [diff] [blame] | 147 | UInt flags, Int fd, Off64T offset ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 148 | { |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 149 | Bool rr, ww, xx, d; |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 150 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 151 | /* 'a' is the return value from a real kernel mmap, hence: */ |
| 152 | vg_assert(VG_IS_PAGE_ALIGNED(a)); |
| 153 | /* whereas len is whatever the syscall supplied. So: */ |
| 154 | len = VG_PGROUNDUP(len); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 155 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 156 | d = VG_(am_notify_client_mmap)( a, len, prot, flags, fd, offset ); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 157 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 158 | rr = toBool(prot & VKI_PROT_READ); |
| 159 | ww = toBool(prot & VKI_PROT_WRITE); |
| 160 | xx = toBool(prot & VKI_PROT_EXEC); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 161 | |
sewardj | 40f8ebe | 2002-10-23 21:46:13 +0000 | [diff] [blame] | 162 | VG_TRACK( new_mem_mmap, a, len, rr, ww, xx ); |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 163 | |
| 164 | if (d) |
| 165 | VG_(discard_translations)( (Addr64)a, (ULong)len, |
| 166 | "ML_(notify_aspacem_and_tool_of_mmap)" ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 167 | } |
| 168 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 169 | /* Expand (or shrink) an existing mapping, potentially moving it at |
| 170 | the same time (controlled by the MREMAP_MAYMOVE flag). Nightmare. |
| 171 | */ |
| 172 | static |
| 173 | SysRes do_mremap( Addr old_addr, SizeT old_len, |
| 174 | Addr new_addr, SizeT new_len, |
| 175 | UWord flags, ThreadId tid ) |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 176 | { |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 177 | # define MIN_SIZET(_aa,_bb) (_aa) < (_bb) ? (_aa) : (_bb) |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 178 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 179 | Bool ok, d; |
| 180 | NSegment* old_seg; |
| 181 | Addr advised; |
| 182 | Bool f_fixed = toBool(flags & VKI_MREMAP_FIXED); |
| 183 | Bool f_maymove = toBool(flags & VKI_MREMAP_MAYMOVE); |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 184 | |
| 185 | if (0) |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 186 | VG_(printf)("do_remap (old %p %d) (new %p %d) %s %s\n", |
| 187 | old_addr,old_len,new_addr,new_len, |
| 188 | flags & VKI_MREMAP_MAYMOVE ? "MAYMOVE" : "", |
| 189 | flags & VKI_MREMAP_FIXED ? "FIXED" : ""); |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 190 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 191 | if (flags & ~(VKI_MREMAP_FIXED | VKI_MREMAP_MAYMOVE)) |
| 192 | goto eINVAL; |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 193 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 194 | if (!VG_IS_PAGE_ALIGNED(old_addr)) |
| 195 | goto eINVAL; |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 196 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 197 | old_len = VG_PGROUNDUP(old_len); |
| 198 | new_len = VG_PGROUNDUP(new_len); |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 199 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 200 | if (new_len == 0) |
| 201 | goto eINVAL; |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 202 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 203 | /* kernel doesn't reject this, but we do. */ |
| 204 | if (old_len == 0) |
| 205 | goto eINVAL; |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 206 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 207 | /* reject wraparounds */ |
| 208 | if (old_addr + old_len < old_addr |
| 209 | || new_addr + new_len < new_len) |
| 210 | goto eINVAL; |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 211 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 212 | /* kernel rejects all fixed, no-move requests (which are |
| 213 | meaningless). */ |
| 214 | if (f_fixed == True && f_maymove == False) |
| 215 | goto eINVAL; |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 216 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 217 | /* Stay away from non-client areas. */ |
| 218 | if (!ML_(valid_client_addr)(old_addr, old_len, tid, "mremap(old_addr)")) |
| 219 | goto eINVAL; |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 220 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 221 | /* In all remaining cases, if the old range does not fall within a |
| 222 | single segment, fail. */ |
| 223 | old_seg = VG_(am_find_nsegment)( old_addr ); |
| 224 | if (old_addr < old_seg->start || old_addr+old_len-1 > old_seg->end) |
| 225 | goto eINVAL; |
sewardj | fdf619e | 2005-11-23 03:41:41 +0000 | [diff] [blame^] | 226 | if (old_seg->kind != SkAnonC && old_seg->kind != SkFileC) |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 227 | goto eINVAL; |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 228 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 229 | vg_assert(old_len > 0); |
| 230 | vg_assert(new_len > 0); |
| 231 | vg_assert(VG_IS_PAGE_ALIGNED(old_len)); |
| 232 | vg_assert(VG_IS_PAGE_ALIGNED(new_len)); |
| 233 | vg_assert(VG_IS_PAGE_ALIGNED(old_addr)); |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 234 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 235 | /* There are 3 remaining cases: |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 236 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 237 | * maymove == False |
| 238 | |
| 239 | new space has to be at old address, so: |
| 240 | - shrink -> unmap end |
| 241 | - same size -> do nothing |
| 242 | - grow -> if can grow in-place, do so, else fail |
| 243 | |
| 244 | * maymove == True, fixed == False |
| 245 | |
| 246 | new space can be anywhere, so: |
| 247 | - shrink -> unmap end |
| 248 | - same size -> do nothing |
| 249 | - grow -> if can grow in-place, do so, else |
| 250 | move to anywhere large enough, else fail |
| 251 | |
| 252 | * maymove == True, fixed == True |
| 253 | |
| 254 | new space must be at new address, so: |
| 255 | |
| 256 | - if new address is not page aligned, fail |
| 257 | - if new address range overlaps old one, fail |
| 258 | - if new address range cannot be allocated, fail |
| 259 | - else move to new address range with new size |
| 260 | - else fail |
| 261 | */ |
| 262 | |
| 263 | if (f_maymove == False) { |
| 264 | /* new space has to be at old address */ |
| 265 | if (new_len < old_len) |
| 266 | goto shrink_in_place; |
| 267 | if (new_len > old_len) |
| 268 | goto grow_in_place_or_fail; |
| 269 | goto same_in_place; |
| 270 | } |
| 271 | |
| 272 | if (f_maymove == True && f_fixed == False) { |
| 273 | /* new space can be anywhere */ |
| 274 | if (new_len < old_len) |
| 275 | goto shrink_in_place; |
| 276 | if (new_len > old_len) |
| 277 | goto grow_in_place_or_move_anywhere_or_fail; |
| 278 | goto same_in_place; |
| 279 | } |
| 280 | |
| 281 | if (f_maymove == True && f_fixed == True) { |
| 282 | /* new space can only be at the new address */ |
| 283 | if (!VG_IS_PAGE_ALIGNED(new_addr)) |
| 284 | goto eINVAL; |
| 285 | if (new_addr+new_len-1 < old_addr || new_addr > old_addr+old_len-1) { |
| 286 | /* no overlap */ |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 287 | } else { |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 288 | goto eINVAL; |
| 289 | } |
| 290 | if (new_addr == 0) |
| 291 | goto eINVAL; |
| 292 | /* VG_(am_get_advisory_client_simple) interprets zero to mean |
| 293 | non-fixed, which is not what we want */ |
| 294 | advised = VG_(am_get_advisory_client_simple)(new_addr, new_len, &ok); |
| 295 | if (!ok || advised != new_addr) |
| 296 | goto eNOMEM; |
| 297 | ok = VG_(am_relocate_nooverlap_client) |
| 298 | ( &d, old_addr, old_len, new_addr, new_len ); |
| 299 | if (ok) { |
| 300 | VG_TRACK( copy_mem_remap, old_addr, new_addr, |
| 301 | MIN_SIZET(old_len,new_len) ); |
| 302 | if (new_len > old_len) |
| 303 | VG_TRACK( new_mem_mmap, new_addr+old_len, new_len-old_len, |
| 304 | old_seg->hasR, old_seg->hasW, old_seg->hasX ); |
| 305 | VG_TRACK(die_mem_munmap, old_addr, old_len); |
| 306 | if (d) { |
| 307 | VG_(discard_translations)( old_addr, old_len, "do_remap(1)" ); |
| 308 | VG_(discard_translations)( new_addr, new_len, "do_remap(2)" ); |
| 309 | } |
| 310 | return VG_(mk_SysRes_Success)( new_addr ); |
| 311 | } |
| 312 | goto eNOMEM; |
| 313 | } |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 314 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 315 | /* end of the 3 cases */ |
| 316 | /*NOTREACHED*/ vg_assert(0); |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 317 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 318 | grow_in_place_or_move_anywhere_or_fail: |
| 319 | { |
| 320 | /* try growing it in-place */ |
| 321 | Addr needA = old_addr + old_len; |
| 322 | SSizeT needL = new_len - old_len; |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 323 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 324 | vg_assert(needL > 0); |
| 325 | if (needA == 0) |
| 326 | goto eINVAL; |
| 327 | /* VG_(am_get_advisory_client_simple) interprets zero to mean |
| 328 | non-fixed, which is not what we want */ |
| 329 | advised = VG_(am_get_advisory_client_simple)( needA, needL, &ok ); |
| 330 | if (ok && advised == needA) { |
| 331 | ok = VG_(am_extend_map_client)( &d, old_seg, needL ); |
| 332 | if (ok) { |
| 333 | VG_TRACK( new_mem_mmap, needA, needL, |
| 334 | old_seg->hasR, |
| 335 | old_seg->hasW, old_seg->hasX ); |
| 336 | if (d) |
| 337 | VG_(discard_translations)( needA, needL, "do_remap(3)" ); |
| 338 | return VG_(mk_SysRes_Success)( old_addr ); |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 339 | } |
| 340 | } |
| 341 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 342 | /* that failed. Look elsewhere. */ |
| 343 | advised = VG_(am_get_advisory_client_simple)( 0, new_len, &ok ); |
| 344 | if (ok) { |
| 345 | /* assert new area does not overlap old */ |
| 346 | vg_assert(advised+new_len-1 < old_addr |
| 347 | || advised > old_addr+old_len-1); |
| 348 | ok = VG_(am_relocate_nooverlap_client) |
| 349 | ( &d, old_addr, old_len, advised, new_len ); |
| 350 | if (ok) { |
| 351 | VG_TRACK( copy_mem_remap, old_addr, advised, |
| 352 | MIN_SIZET(old_len,new_len) ); |
| 353 | if (new_len > old_len) |
| 354 | VG_TRACK( new_mem_mmap, advised+old_len, new_len-old_len, |
| 355 | old_seg->hasR, old_seg->hasW, old_seg->hasX ); |
| 356 | VG_TRACK(die_mem_munmap, old_addr, old_len); |
| 357 | if (d) { |
| 358 | VG_(discard_translations)( old_addr, old_len, "do_remap(4)" ); |
| 359 | VG_(discard_translations)( advised, new_len, "do_remap(5)" ); |
| 360 | } |
| 361 | return VG_(mk_SysRes_Success)( advised ); |
| 362 | } |
| 363 | } |
| 364 | goto eNOMEM; |
| 365 | } |
| 366 | /*NOTREACHED*/ vg_assert(0); |
| 367 | |
| 368 | grow_in_place_or_fail: |
| 369 | { |
| 370 | Addr needA = old_addr + old_len; |
| 371 | SizeT needL = new_len - old_len; |
| 372 | if (needA == 0) |
| 373 | goto eINVAL; |
| 374 | /* VG_(am_get_advisory_client_simple) interprets zero to mean |
| 375 | non-fixed, which is not what we want */ |
| 376 | advised = VG_(am_get_advisory_client_simple)( needA, needL, &ok ); |
| 377 | if (!ok || advised != needA) |
| 378 | goto eNOMEM; |
| 379 | ok = VG_(am_extend_map_client)( &d, old_seg, needL ); |
| 380 | if (!ok) |
| 381 | goto eNOMEM; |
| 382 | VG_TRACK( new_mem_mmap, needA, needL, |
| 383 | old_seg->hasR, old_seg->hasW, old_seg->hasX ); |
| 384 | if (d) |
| 385 | VG_(discard_translations)( needA, needL, "do_remap(6)" ); |
| 386 | return VG_(mk_SysRes_Success)( old_addr ); |
| 387 | } |
| 388 | /*NOTREACHED*/ vg_assert(0); |
| 389 | |
| 390 | shrink_in_place: |
| 391 | { |
| 392 | SysRes sres = VG_(am_munmap_client)( &d, old_addr+new_len, old_len-new_len ); |
| 393 | if (sres.isError) |
| 394 | return sres; |
| 395 | VG_TRACK( die_mem_munmap, old_addr+new_len, old_len-new_len ); |
| 396 | if (d) |
| 397 | VG_(discard_translations)( old_addr+new_len, old_len-new_len, |
| 398 | "do_remap(7)" ); |
| 399 | return VG_(mk_SysRes_Success)( old_addr ); |
| 400 | } |
| 401 | /*NOTREACHED*/ vg_assert(0); |
| 402 | |
| 403 | same_in_place: |
| 404 | return VG_(mk_SysRes_Success)( old_addr ); |
| 405 | /*NOTREACHED*/ vg_assert(0); |
| 406 | |
| 407 | eINVAL: |
| 408 | return VG_(mk_SysRes_Error)( VKI_EINVAL ); |
| 409 | eNOMEM: |
| 410 | return VG_(mk_SysRes_Error)( VKI_ENOMEM ); |
| 411 | |
| 412 | # undef MIN_SIZET |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 413 | } |
| 414 | |
| 415 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 416 | /* --------------------------------------------------------------------- |
| 417 | File-descriptor tracking |
| 418 | ------------------------------------------------------------------ */ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 419 | |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 420 | /* One of these is allocated for each open file descriptor. */ |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 421 | typedef struct OpenFd |
| 422 | { |
| 423 | Int fd; /* The file descriptor */ |
| 424 | Char *pathname; /* NULL if not a regular file or unknown */ |
| 425 | ExeContext *where; /* NULL if inherited from parent */ |
| 426 | struct OpenFd *next, *prev; |
| 427 | } OpenFd; |
| 428 | |
| 429 | /* List of allocated file descriptors. */ |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 430 | static OpenFd *allocated_fds; |
| 431 | |
| 432 | /* Count of open file descriptors. */ |
sewardj | 0a400c7 | 2005-07-23 09:22:46 +0000 | [diff] [blame] | 433 | static Int fd_count = 0; |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 434 | |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 435 | |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 436 | /* Note the fact that a file descriptor was just closed. */ |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 437 | static |
njn | c616819 | 2004-11-29 13:54:10 +0000 | [diff] [blame] | 438 | void record_fd_close(ThreadId tid, Int fd) |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 439 | { |
| 440 | OpenFd *i = allocated_fds; |
| 441 | |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 442 | if (fd >= VG_(fd_hard_limit)) |
rjwalsh | 02665ba | 2003-12-18 01:48:06 +0000 | [diff] [blame] | 443 | return; /* Valgrind internal */ |
| 444 | |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 445 | while(i) { |
| 446 | if(i->fd == fd) { |
| 447 | if(i->prev) |
| 448 | i->prev->next = i->next; |
| 449 | else |
| 450 | allocated_fds = i->next; |
| 451 | if(i->next) |
| 452 | i->next->prev = i->prev; |
| 453 | if(i->pathname) |
fitzhardinge | a772847 | 2003-12-16 01:48:38 +0000 | [diff] [blame] | 454 | VG_(arena_free) (VG_AR_CORE, i->pathname); |
| 455 | VG_(arena_free) (VG_AR_CORE, i); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 456 | fd_count--; |
| 457 | break; |
| 458 | } |
| 459 | i = i->next; |
| 460 | } |
| 461 | } |
| 462 | |
| 463 | /* Note the fact that a file descriptor was just opened. If the |
| 464 | tid is -1, this indicates an inherited fd. If the pathname is NULL, |
| 465 | this either indicates a non-standard file (i.e. a pipe or socket or |
| 466 | some such thing) or that we don't know the filename. If the fd is |
| 467 | already open, then we're probably doing a dup2() to an existing fd, |
| 468 | so just overwrite the existing one. */ |
njn | 4279a88 | 2005-08-26 03:43:28 +0000 | [diff] [blame] | 469 | void ML_(record_fd_open_with_given_name)(ThreadId tid, Int fd, char *pathname) |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 470 | { |
| 471 | OpenFd *i; |
| 472 | |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 473 | if (fd >= VG_(fd_hard_limit)) |
fitzhardinge | 0e8bfcf | 2003-12-12 07:46:54 +0000 | [diff] [blame] | 474 | return; /* Valgrind internal */ |
| 475 | |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 476 | /* Check to see if this fd is already open. */ |
| 477 | i = allocated_fds; |
| 478 | while (i) { |
| 479 | if (i->fd == fd) { |
fitzhardinge | a772847 | 2003-12-16 01:48:38 +0000 | [diff] [blame] | 480 | if (i->pathname) VG_(arena_free)(VG_AR_CORE, i->pathname); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 481 | break; |
| 482 | } |
| 483 | i = i->next; |
| 484 | } |
| 485 | |
| 486 | /* Not already one: allocate an OpenFd */ |
| 487 | if (i == NULL) { |
fitzhardinge | a772847 | 2003-12-16 01:48:38 +0000 | [diff] [blame] | 488 | i = VG_(arena_malloc)(VG_AR_CORE, sizeof(OpenFd)); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 489 | |
| 490 | i->prev = NULL; |
| 491 | i->next = allocated_fds; |
| 492 | if(allocated_fds) allocated_fds->prev = i; |
| 493 | allocated_fds = i; |
| 494 | fd_count++; |
| 495 | } |
| 496 | |
| 497 | i->fd = fd; |
njn | f845f8f | 2005-06-23 02:26:47 +0000 | [diff] [blame] | 498 | i->pathname = VG_(arena_strdup)(VG_AR_CORE, pathname); |
njn | d01fef7 | 2005-03-25 23:35:48 +0000 | [diff] [blame] | 499 | i->where = (tid == -1) ? NULL : VG_(record_ExeContext)(tid); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 500 | } |
| 501 | |
njn | f845f8f | 2005-06-23 02:26:47 +0000 | [diff] [blame] | 502 | // Record opening of an fd, and find its name. |
| 503 | static void record_fd_open_named(ThreadId tid, Int fd) |
| 504 | { |
| 505 | static HChar buf[VKI_PATH_MAX]; |
| 506 | Char* name; |
| 507 | if (VG_(resolve_filename)(fd, buf, VKI_PATH_MAX)) |
| 508 | name = buf; |
| 509 | else |
| 510 | name = NULL; |
| 511 | |
njn | 4279a88 | 2005-08-26 03:43:28 +0000 | [diff] [blame] | 512 | ML_(record_fd_open_with_given_name)(tid, fd, name); |
njn | f845f8f | 2005-06-23 02:26:47 +0000 | [diff] [blame] | 513 | } |
| 514 | |
| 515 | // Record opening of a nameless fd. |
| 516 | void ML_(record_fd_open_nameless)(ThreadId tid, Int fd) |
| 517 | { |
njn | 4279a88 | 2005-08-26 03:43:28 +0000 | [diff] [blame] | 518 | ML_(record_fd_open_with_given_name)(tid, fd, NULL); |
njn | f845f8f | 2005-06-23 02:26:47 +0000 | [diff] [blame] | 519 | } |
| 520 | |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 521 | static |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 522 | Char *unix2name(struct vki_sockaddr_un *sa, UInt len, Char *name) |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 523 | { |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 524 | if (sa == NULL || len == 0 || sa->sun_path[0] == '\0') { |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 525 | VG_(sprintf)(name, "<unknown>"); |
| 526 | } else { |
| 527 | VG_(sprintf)(name, "%s", sa->sun_path); |
| 528 | } |
| 529 | |
| 530 | return name; |
| 531 | } |
| 532 | |
| 533 | static |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 534 | Char *inet2name(struct vki_sockaddr_in *sa, UInt len, Char *name) |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 535 | { |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 536 | if (sa == NULL || len == 0) { |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 537 | VG_(sprintf)(name, "<unknown>"); |
| 538 | } else { |
tom | 329af4b | 2005-11-17 12:02:58 +0000 | [diff] [blame] | 539 | UInt addr = VG_(ntohl)(sa->sin_addr.s_addr); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 540 | if (addr == 0) { |
| 541 | VG_(sprintf)(name, "<unbound>"); |
| 542 | } else { |
| 543 | VG_(sprintf)(name, "%u.%u.%u.%u:%u", |
tom | 329af4b | 2005-11-17 12:02:58 +0000 | [diff] [blame] | 544 | (addr>>24) & 0xFF, (addr>>16) & 0xFF, |
| 545 | (addr>>8) & 0xFF, addr & 0xFF, |
| 546 | VG_(ntohs)(sa->sin_port)); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 547 | } |
| 548 | } |
| 549 | |
| 550 | return name; |
| 551 | } |
| 552 | |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 553 | /* |
| 554 | * Try get some details about a socket. |
| 555 | */ |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 556 | static void |
sewardj | 0a400c7 | 2005-07-23 09:22:46 +0000 | [diff] [blame] | 557 | getsockdetails(Int fd) |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 558 | { |
| 559 | union u { |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 560 | struct vki_sockaddr a; |
| 561 | struct vki_sockaddr_in in; |
| 562 | struct vki_sockaddr_un un; |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 563 | } laddr; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 564 | UInt llen; |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 565 | |
| 566 | llen = sizeof(laddr); |
| 567 | VG_(memset)(&laddr, 0, llen); |
| 568 | |
| 569 | if(VG_(getsockname)(fd, (struct vki_sockaddr *)&(laddr.a), &llen) != -1) { |
| 570 | switch(laddr.a.sa_family) { |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 571 | case VKI_AF_INET: { |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 572 | static char lname[32]; |
| 573 | static char pname[32]; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 574 | struct vki_sockaddr_in paddr; |
| 575 | UInt plen = sizeof(struct vki_sockaddr_in); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 576 | |
| 577 | if(VG_(getpeername)(fd, (struct vki_sockaddr *)&paddr, &plen) != -1) { |
| 578 | VG_(message)(Vg_UserMsg, "Open AF_INET socket %d: %s <-> %s", fd, |
| 579 | inet2name(&(laddr.in), llen, lname), |
| 580 | inet2name(&paddr, plen, pname)); |
| 581 | } else { |
| 582 | VG_(message)(Vg_UserMsg, "Open AF_INET socket %d: %s <-> unbound", |
| 583 | fd, inet2name(&(laddr.in), llen, lname)); |
| 584 | } |
| 585 | return; |
| 586 | } |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 587 | case VKI_AF_UNIX: { |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 588 | static char lname[256]; |
| 589 | VG_(message)(Vg_UserMsg, "Open AF_UNIX socket %d: %s", fd, |
| 590 | unix2name(&(laddr.un), llen, lname)); |
| 591 | return; |
| 592 | } |
| 593 | default: |
| 594 | VG_(message)(Vg_UserMsg, "Open pf-%d socket %d:", |
| 595 | laddr.a.sa_family, fd); |
| 596 | return; |
| 597 | } |
| 598 | } |
| 599 | |
| 600 | VG_(message)(Vg_UserMsg, "Open socket %d:", fd); |
| 601 | } |
| 602 | |
| 603 | |
nethercote | 3a42fb8 | 2004-08-03 18:08:50 +0000 | [diff] [blame] | 604 | /* Dump out a summary, and a more detailed list, of open file descriptors. */ |
| 605 | void VG_(show_open_fds) () |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 606 | { |
| 607 | OpenFd *i = allocated_fds; |
| 608 | |
nethercote | 3a42fb8 | 2004-08-03 18:08:50 +0000 | [diff] [blame] | 609 | VG_(message)(Vg_UserMsg, "FILE DESCRIPTORS: %d open at exit.", fd_count); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 610 | |
| 611 | while(i) { |
| 612 | if(i->pathname) { |
| 613 | VG_(message)(Vg_UserMsg, "Open file descriptor %d: %s", i->fd, |
| 614 | i->pathname); |
| 615 | } else { |
sewardj | 0a400c7 | 2005-07-23 09:22:46 +0000 | [diff] [blame] | 616 | Int val; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 617 | UInt len = sizeof(val); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 618 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 619 | if (VG_(getsockopt)(i->fd, VKI_SOL_SOCKET, VKI_SO_TYPE, &val, &len) == -1) { |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 620 | VG_(message)(Vg_UserMsg, "Open file descriptor %d:", i->fd); |
| 621 | } else { |
| 622 | getsockdetails(i->fd); |
| 623 | } |
| 624 | } |
| 625 | |
| 626 | if(i->where) { |
| 627 | VG_(pp_ExeContext)(i->where); |
| 628 | VG_(message)(Vg_UserMsg, ""); |
| 629 | } else { |
| 630 | VG_(message)(Vg_UserMsg, " <inherited from parent>"); |
| 631 | VG_(message)(Vg_UserMsg, ""); |
| 632 | } |
| 633 | |
| 634 | i = i->next; |
| 635 | } |
| 636 | |
| 637 | VG_(message)(Vg_UserMsg, ""); |
| 638 | } |
| 639 | |
| 640 | /* If /proc/self/fd doesn't exist for some weird reason (like you've |
| 641 | got a kernel that doesn't have /proc support compiled in), then we |
| 642 | need to find out what file descriptors we inherited from our parent |
| 643 | process the hard way - by checking each fd in turn. */ |
| 644 | |
| 645 | static |
tom | 7c78782 | 2005-11-11 12:32:10 +0000 | [diff] [blame] | 646 | void do_hacky_preopened(void) |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 647 | { |
| 648 | struct vki_rlimit lim; |
sewardj | 0a400c7 | 2005-07-23 09:22:46 +0000 | [diff] [blame] | 649 | UInt count; |
| 650 | Int i; |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 651 | |
nethercote | 620154f | 2004-11-12 21:21:07 +0000 | [diff] [blame] | 652 | if (VG_(getrlimit) (VKI_RLIMIT_NOFILE, &lim) == -1) { |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 653 | /* Hmm. getrlimit() failed. Now we're screwed, so just choose |
| 654 | an arbitrarily high number. 1024 happens to be the limit in |
| 655 | the 2.4 kernels. */ |
| 656 | count = 1024; |
| 657 | } else { |
| 658 | count = lim.rlim_cur; |
| 659 | } |
| 660 | |
| 661 | for (i = 0; i < count; i++) |
| 662 | if(VG_(fcntl)(i, VKI_F_GETFL, 0) != -1) |
njn | f845f8f | 2005-06-23 02:26:47 +0000 | [diff] [blame] | 663 | ML_(record_fd_open_nameless)(-1, i); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 664 | } |
| 665 | |
| 666 | /* Initialize the list of open file descriptors with the file descriptors |
| 667 | we inherited from out parent process. */ |
| 668 | |
| 669 | void VG_(init_preopened_fds)() |
| 670 | { |
sewardj | 0a400c7 | 2005-07-23 09:22:46 +0000 | [diff] [blame] | 671 | Int ret; |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 672 | struct vki_dirent d; |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 673 | SysRes f; |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 674 | |
| 675 | f = VG_(open)("/proc/self/fd", VKI_O_RDONLY, 0); |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 676 | if (f.isError) { |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 677 | do_hacky_preopened(); |
| 678 | return; |
| 679 | } |
| 680 | |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 681 | while ((ret = VG_(getdents)(f.val, &d, sizeof(d))) != 0) { |
njn | f845f8f | 2005-06-23 02:26:47 +0000 | [diff] [blame] | 682 | if (ret == -1) |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 683 | goto out; |
| 684 | |
njn | f845f8f | 2005-06-23 02:26:47 +0000 | [diff] [blame] | 685 | if (VG_(strcmp)(d.d_name, ".") && VG_(strcmp)(d.d_name, "..")) { |
sewardj | 0a400c7 | 2005-07-23 09:22:46 +0000 | [diff] [blame] | 686 | Int fno = VG_(atoll)(d.d_name); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 687 | |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 688 | if (fno != f.val) |
njn | f845f8f | 2005-06-23 02:26:47 +0000 | [diff] [blame] | 689 | if (VG_(clo_track_fds)) |
| 690 | record_fd_open_named(-1, fno); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 691 | } |
| 692 | |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 693 | VG_(lseek)(f.val, d.d_off, VKI_SEEK_SET); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 694 | } |
| 695 | |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 696 | out: |
| 697 | VG_(close)(f.val); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 698 | } |
| 699 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 700 | static |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 701 | Char *strdupcat ( const Char *s1, const Char *s2, ArenaId aid ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 702 | { |
| 703 | UInt len = VG_(strlen) ( s1 ) + VG_(strlen) ( s2 ) + 1; |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 704 | Char *result = VG_(arena_malloc) ( aid, len ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 705 | VG_(strcpy) ( result, s1 ); |
| 706 | VG_(strcat) ( result, s2 ); |
| 707 | return result; |
| 708 | } |
| 709 | |
| 710 | static |
tom | 56e1c84 | 2005-07-18 22:41:33 +0000 | [diff] [blame] | 711 | void pre_mem_read_sendmsg ( ThreadId tid, Bool read, |
nethercote | 928a5f7 | 2004-11-03 18:10:37 +0000 | [diff] [blame] | 712 | Char *msg, Addr base, SizeT size ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 713 | { |
njn | 9f46df6 | 2005-03-13 18:11:44 +0000 | [diff] [blame] | 714 | Char *outmsg = strdupcat ( "socketcall.sendmsg", msg, VG_AR_CORE ); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 715 | PRE_MEM_READ( outmsg, base, size ); |
njn | 9f46df6 | 2005-03-13 18:11:44 +0000 | [diff] [blame] | 716 | VG_(arena_free) ( VG_AR_CORE, outmsg ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 717 | } |
| 718 | |
| 719 | static |
tom | 56e1c84 | 2005-07-18 22:41:33 +0000 | [diff] [blame] | 720 | void pre_mem_write_recvmsg ( ThreadId tid, Bool read, |
nethercote | 928a5f7 | 2004-11-03 18:10:37 +0000 | [diff] [blame] | 721 | Char *msg, Addr base, SizeT size ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 722 | { |
njn | 9f46df6 | 2005-03-13 18:11:44 +0000 | [diff] [blame] | 723 | Char *outmsg = strdupcat ( "socketcall.recvmsg", msg, VG_AR_CORE ); |
tom | 56e1c84 | 2005-07-18 22:41:33 +0000 | [diff] [blame] | 724 | if ( read ) |
| 725 | PRE_MEM_READ( outmsg, base, size ); |
| 726 | else |
| 727 | PRE_MEM_WRITE( outmsg, base, size ); |
njn | 9f46df6 | 2005-03-13 18:11:44 +0000 | [diff] [blame] | 728 | VG_(arena_free) ( VG_AR_CORE, outmsg ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 729 | } |
| 730 | |
| 731 | static |
tom | 56e1c84 | 2005-07-18 22:41:33 +0000 | [diff] [blame] | 732 | void post_mem_write_recvmsg ( ThreadId tid, Bool read, |
nethercote | 928a5f7 | 2004-11-03 18:10:37 +0000 | [diff] [blame] | 733 | Char *fieldName, Addr base, SizeT size ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 734 | { |
tom | 56e1c84 | 2005-07-18 22:41:33 +0000 | [diff] [blame] | 735 | if ( !read ) |
| 736 | POST_MEM_WRITE( base, size ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 737 | } |
| 738 | |
| 739 | static |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 740 | void msghdr_foreachfield ( |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 741 | ThreadId tid, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 742 | struct vki_msghdr *msg, |
tom | 56e1c84 | 2005-07-18 22:41:33 +0000 | [diff] [blame] | 743 | void (*foreach_func)( ThreadId, Bool, Char *, Addr, SizeT ) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 744 | ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 745 | { |
| 746 | if ( !msg ) |
| 747 | return; |
| 748 | |
tom | 56e1c84 | 2005-07-18 22:41:33 +0000 | [diff] [blame] | 749 | foreach_func ( tid, True, "(msg)", (Addr)&msg->msg_name, sizeof( msg->msg_name ) ); |
| 750 | foreach_func ( tid, True, "(msg)", (Addr)&msg->msg_namelen, sizeof( msg->msg_namelen ) ); |
| 751 | foreach_func ( tid, True, "(msg)", (Addr)&msg->msg_iov, sizeof( msg->msg_iov ) ); |
| 752 | foreach_func ( tid, True, "(msg)", (Addr)&msg->msg_iovlen, sizeof( msg->msg_iovlen ) ); |
| 753 | foreach_func ( tid, True, "(msg)", (Addr)&msg->msg_control, sizeof( msg->msg_control ) ); |
| 754 | foreach_func ( tid, True, "(msg)", (Addr)&msg->msg_controllen, sizeof( msg->msg_controllen ) ); |
| 755 | foreach_func ( tid, True, "(msg)", (Addr)&msg->msg_flags, sizeof( msg->msg_flags ) ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 756 | |
| 757 | if ( msg->msg_name ) |
tom | 56e1c84 | 2005-07-18 22:41:33 +0000 | [diff] [blame] | 758 | foreach_func ( tid, False, |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 759 | "(msg.msg_name)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 760 | (Addr)msg->msg_name, msg->msg_namelen ); |
| 761 | |
| 762 | if ( msg->msg_iov ) { |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 763 | struct vki_iovec *iov = msg->msg_iov; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 764 | UInt i; |
| 765 | |
tom | 56e1c84 | 2005-07-18 22:41:33 +0000 | [diff] [blame] | 766 | foreach_func ( tid, True, |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 767 | "(msg.msg_iov)", |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 768 | (Addr)iov, msg->msg_iovlen * sizeof( struct vki_iovec ) ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 769 | |
| 770 | for ( i = 0; i < msg->msg_iovlen; ++i, ++iov ) |
tom | 56e1c84 | 2005-07-18 22:41:33 +0000 | [diff] [blame] | 771 | foreach_func ( tid, False, |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 772 | "(msg.msg_iov[i]", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 773 | (Addr)iov->iov_base, iov->iov_len ); |
| 774 | } |
| 775 | |
| 776 | if ( msg->msg_control ) |
tom | 56e1c84 | 2005-07-18 22:41:33 +0000 | [diff] [blame] | 777 | foreach_func ( tid, False, |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 778 | "(msg.msg_control)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 779 | (Addr)msg->msg_control, msg->msg_controllen ); |
| 780 | } |
| 781 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 782 | static void check_cmsg_for_fds(ThreadId tid, struct vki_msghdr *msg) |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 783 | { |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 784 | struct vki_cmsghdr *cm = VKI_CMSG_FIRSTHDR(msg); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 785 | |
| 786 | while (cm) { |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 787 | if (cm->cmsg_level == VKI_SOL_SOCKET && |
| 788 | cm->cmsg_type == VKI_SCM_RIGHTS ) { |
sewardj | 0a400c7 | 2005-07-23 09:22:46 +0000 | [diff] [blame] | 789 | Int *fds = (Int *) VKI_CMSG_DATA(cm); |
| 790 | Int fdc = (cm->cmsg_len - VKI_CMSG_ALIGN(sizeof(struct vki_cmsghdr))) |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 791 | / sizeof(int); |
sewardj | 0a400c7 | 2005-07-23 09:22:46 +0000 | [diff] [blame] | 792 | Int i; |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 793 | |
| 794 | for (i = 0; i < fdc; i++) |
| 795 | if(VG_(clo_track_fds)) |
nethercote | 493dd18 | 2004-02-24 23:57:47 +0000 | [diff] [blame] | 796 | // XXX: must we check the range on these fds with |
cerion | 7b2c38c | 2005-06-23 07:52:54 +0000 | [diff] [blame] | 797 | // ML_(fd_allowed)()? |
njn | f845f8f | 2005-06-23 02:26:47 +0000 | [diff] [blame] | 798 | record_fd_open_named(tid, fds[i]); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 799 | } |
| 800 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 801 | cm = VKI_CMSG_NXTHDR(msg, cm); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 802 | } |
| 803 | } |
| 804 | |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 805 | static |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 806 | void pre_mem_read_sockaddr ( ThreadId tid, |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 807 | Char *description, |
| 808 | struct vki_sockaddr *sa, UInt salen ) |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 809 | { |
sewardj | ff7c1ab | 2003-02-24 21:55:34 +0000 | [diff] [blame] | 810 | Char *outmsg; |
| 811 | |
| 812 | /* NULL/zero-length sockaddrs are legal */ |
| 813 | if ( sa == NULL || salen == 0 ) return; |
| 814 | |
njn | 9f46df6 | 2005-03-13 18:11:44 +0000 | [diff] [blame] | 815 | outmsg = VG_(arena_malloc) ( VG_AR_CORE, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 816 | VG_(strlen)( description ) + 30 ); |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 817 | |
| 818 | VG_(sprintf) ( outmsg, description, ".sa_family" ); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 819 | PRE_MEM_READ( outmsg, (Addr) &sa->sa_family, sizeof(vki_sa_family_t)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 820 | |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 821 | switch (sa->sa_family) { |
| 822 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 823 | case VKI_AF_UNIX: |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 824 | VG_(sprintf) ( outmsg, description, ".sun_path" ); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 825 | PRE_MEM_RASCIIZ( outmsg, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 826 | (Addr) ((struct vki_sockaddr_un *) sa)->sun_path); |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 827 | break; |
| 828 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 829 | case VKI_AF_INET: |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 830 | VG_(sprintf) ( outmsg, description, ".sin_port" ); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 831 | PRE_MEM_READ( outmsg, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 832 | (Addr) &((struct vki_sockaddr_in *) sa)->sin_port, |
| 833 | sizeof (((struct vki_sockaddr_in *) sa)->sin_port)); |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 834 | VG_(sprintf) ( outmsg, description, ".sin_addr" ); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 835 | PRE_MEM_READ( outmsg, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 836 | (Addr) &((struct vki_sockaddr_in *) sa)->sin_addr, |
| 837 | sizeof (struct vki_in_addr)); |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 838 | break; |
| 839 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 840 | case VKI_AF_INET6: |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 841 | VG_(sprintf) ( outmsg, description, ".sin6_port" ); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 842 | PRE_MEM_READ( outmsg, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 843 | (Addr) &((struct vki_sockaddr_in6 *) sa)->sin6_port, |
| 844 | sizeof (((struct vki_sockaddr_in6 *) sa)->sin6_port)); |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 845 | VG_(sprintf) ( outmsg, description, ".sin6_flowinfo" ); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 846 | PRE_MEM_READ( outmsg, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 847 | (Addr) &((struct vki_sockaddr_in6 *) sa)->sin6_flowinfo, |
| 848 | sizeof (__vki_u32)); |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 849 | VG_(sprintf) ( outmsg, description, ".sin6_addr" ); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 850 | PRE_MEM_READ( outmsg, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 851 | (Addr) &((struct vki_sockaddr_in6 *) sa)->sin6_addr, |
| 852 | sizeof (struct vki_in6_addr)); |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 853 | VG_(sprintf) ( outmsg, description, ".sin6_scope_id" ); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 854 | PRE_MEM_READ( outmsg, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 855 | (Addr) &((struct vki_sockaddr_in6 *) sa)->sin6_scope_id, |
| 856 | sizeof (__vki_u32)); |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 857 | break; |
| 858 | |
| 859 | default: |
| 860 | VG_(sprintf) ( outmsg, description, "" ); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 861 | PRE_MEM_READ( outmsg, (Addr) sa, salen ); |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 862 | break; |
| 863 | } |
| 864 | |
njn | 9f46df6 | 2005-03-13 18:11:44 +0000 | [diff] [blame] | 865 | VG_(arena_free) ( VG_AR_CORE, outmsg ); |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 866 | } |
| 867 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 868 | /* Dereference a pointer to a UInt. */ |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 869 | static UInt deref_UInt ( ThreadId tid, Addr a, Char* s ) |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 870 | { |
| 871 | UInt* a_p = (UInt*)a; |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 872 | PRE_MEM_READ( s, (Addr)a_p, sizeof(UInt) ); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 873 | if (a_p == NULL) |
| 874 | return 0; |
| 875 | else |
| 876 | return *a_p; |
| 877 | } |
| 878 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 879 | static |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 880 | void buf_and_len_pre_check( ThreadId tid, Addr buf_p, Addr buflen_p, |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 881 | Char* buf_s, Char* buflen_s ) |
| 882 | { |
njn | 51d827b | 2005-05-09 01:02:08 +0000 | [diff] [blame] | 883 | if (VG_(tdict).track_pre_mem_write) { |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 884 | UInt buflen_in = deref_UInt( tid, buflen_p, buflen_s); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 885 | if (buflen_in > 0) { |
njn | 51d827b | 2005-05-09 01:02:08 +0000 | [diff] [blame] | 886 | VG_(tdict).track_pre_mem_write( Vg_CoreSysCall, tid, buf_s, buf_p, buflen_in ); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 887 | } |
| 888 | } |
| 889 | } |
| 890 | |
| 891 | static |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 892 | void buf_and_len_post_check( ThreadId tid, SysRes res, |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 893 | Addr buf_p, Addr buflen_p, Char* s ) |
| 894 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 895 | if (!res.isError && VG_(tdict).track_post_mem_write) { |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 896 | UInt buflen_out = deref_UInt( tid, buflen_p, s); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 897 | if (buflen_out > 0 && buf_p != (Addr)NULL) { |
njn | 51d827b | 2005-05-09 01:02:08 +0000 | [diff] [blame] | 898 | VG_(tdict).track_post_mem_write( Vg_CoreSysCall, tid, buf_p, buflen_out ); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 899 | } |
| 900 | } |
| 901 | } |
| 902 | |
| 903 | /* --------------------------------------------------------------------- |
| 904 | Data seg end, for brk() |
| 905 | ------------------------------------------------------------------ */ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 906 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 907 | /* +--------+------------+ |
| 908 | | anon | resvn | |
| 909 | +--------+------------+ |
nethercote | ce47126 | 2004-08-25 13:43:44 +0000 | [diff] [blame] | 910 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 911 | ^ ^ ^ |
| 912 | | | boundary is page aligned |
| 913 | | VG_(brk_limit) -- no alignment constraint |
| 914 | VG_(brk_base) -- page aligned -- does not move |
| 915 | |
| 916 | Both the anon part and the reservation part are always at least |
| 917 | one page. |
| 918 | */ |
| 919 | |
| 920 | /* Set the new data segment end to NEWBRK. If this succeeds, return |
| 921 | NEWBRK, else return the current data segment end. */ |
| 922 | |
| 923 | static Addr do_brk ( Addr newbrk ) |
| 924 | { |
| 925 | NSegment *aseg, *rseg; |
| 926 | Addr newbrkP; |
| 927 | SizeT delta; |
| 928 | Bool ok; |
| 929 | Bool debug = False; |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 930 | |
| 931 | if (debug) |
sewardj | 548be6d | 2005-02-16 01:31:37 +0000 | [diff] [blame] | 932 | VG_(printf)("\ndo_brk: brk_base=%p brk_limit=%p newbrk=%p\n", |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 933 | VG_(brk_base), VG_(brk_limit), newbrk); |
| 934 | |
sewardj | 79048ce | 2005-02-18 08:28:32 +0000 | [diff] [blame] | 935 | # if 0 |
sewardj | e517b80 | 2005-02-16 01:58:51 +0000 | [diff] [blame] | 936 | if (0) show_segments("in_brk"); |
sewardj | 79048ce | 2005-02-18 08:28:32 +0000 | [diff] [blame] | 937 | # endif |
sewardj | 548be6d | 2005-02-16 01:31:37 +0000 | [diff] [blame] | 938 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 939 | if (newbrk < VG_(brk_base)) |
| 940 | /* Clearly impossible. */ |
| 941 | goto bad; |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 942 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 943 | if (newbrk >= VG_(brk_base) && newbrk < VG_(brk_limit)) { |
| 944 | /* shrinking the data segment. Be lazy and don't munmap the |
| 945 | excess area. */ |
| 946 | NSegment* seg = VG_(am_find_nsegment)(newbrk); |
| 947 | if (seg && seg->hasT) |
| 948 | VG_(discard_translations)( newbrk, VG_(brk_limit) - newbrk, |
| 949 | "do_brk(shrink)" ); |
| 950 | VG_(brk_limit) = newbrk; |
| 951 | return newbrk; |
| 952 | } |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 953 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 954 | /* otherwise we're expanding the brk segment. */ |
tom | 8e5963d | 2005-10-06 14:49:21 +0000 | [diff] [blame] | 955 | if (VG_(brk_limit) > VG_(brk_base)) |
| 956 | aseg = VG_(am_find_nsegment)( VG_(brk_limit)-1 ); |
| 957 | else |
| 958 | aseg = VG_(am_find_nsegment)( VG_(brk_limit) ); |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 959 | rseg = VG_(am_next_nsegment)( aseg, True/*forwards*/ ); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 960 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 961 | /* These should be assured by setup_client_dataseg in m_main. */ |
| 962 | vg_assert(aseg); |
| 963 | vg_assert(rseg); |
| 964 | vg_assert(aseg->kind == SkAnonC); |
| 965 | vg_assert(rseg->kind == SkResvn); |
| 966 | vg_assert(aseg->end+1 == rseg->start); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 967 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 968 | vg_assert(newbrk >= VG_(brk_base)); |
| 969 | if (newbrk <= rseg->start) { |
| 970 | /* still fits within the anon segment. */ |
| 971 | VG_(brk_limit) = newbrk; |
| 972 | return newbrk; |
| 973 | } |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 974 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 975 | if (newbrk >= rseg->end+1 - VKI_PAGE_SIZE) { |
| 976 | /* request is too large -- the resvn would fall below 1 page, |
| 977 | which isn't allowed. */ |
| 978 | goto bad; |
| 979 | } |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 980 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 981 | newbrkP = VG_PGROUNDUP(newbrk); |
| 982 | vg_assert(newbrkP > rseg->start && newbrkP < rseg->end+1 - VKI_PAGE_SIZE); |
| 983 | delta = newbrkP - rseg->start; |
| 984 | vg_assert(delta > 0); |
| 985 | vg_assert(VG_IS_PAGE_ALIGNED(delta)); |
| 986 | |
| 987 | ok = VG_(am_extend_into_adjacent_reservation_client)( aseg, delta ); |
| 988 | if (!ok) goto bad; |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 989 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 990 | VG_(brk_limit) = newbrk; |
| 991 | return newbrk; |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 992 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 993 | bad: |
| 994 | return VG_(brk_limit); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 995 | } |
| 996 | |
| 997 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 998 | /* --------------------------------------------------------------------- |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 999 | Vet file descriptors for sanity |
| 1000 | ------------------------------------------------------------------ */ |
sewardj | 0423690 | 2005-10-04 22:27:22 +0000 | [diff] [blame] | 1001 | /* |
| 1002 | > - what does the "Bool soft" parameter mean? |
| 1003 | |
| 1004 | (Tom Hughes, 3 Oct 05): |
| 1005 | |
| 1006 | Whether or not to consider a file descriptor invalid if it is above |
| 1007 | the current soft limit. |
| 1008 | |
| 1009 | Basically if we are testing whether a newly created file descriptor is |
| 1010 | valid (in a post handler) then we set soft to true, and if we are |
| 1011 | testing whether a file descriptor that is about to be used (in a pre |
| 1012 | handler) is valid [viz, an already-existing fd] then we set it to false. |
| 1013 | |
| 1014 | The point is that if the (virtual) soft limit is lowered then any |
| 1015 | existing descriptors can still be read/written/closed etc (so long as |
| 1016 | they are below the valgrind reserved descriptors) but no new |
| 1017 | descriptors can be created above the new soft limit. |
| 1018 | |
| 1019 | (jrs 4 Oct 05: in which case, I've renamed it "isNewFd") |
| 1020 | */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1021 | |
| 1022 | /* Return true if we're allowed to use or create this fd */ |
sewardj | 0423690 | 2005-10-04 22:27:22 +0000 | [diff] [blame] | 1023 | Bool ML_(fd_allowed)(Int fd, const Char *syscallname, ThreadId tid, Bool isNewFd) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1024 | { |
sewardj | 0423690 | 2005-10-04 22:27:22 +0000 | [diff] [blame] | 1025 | Bool allowed = True; |
| 1026 | |
| 1027 | /* hard limits always apply */ |
| 1028 | if (fd < 0 || fd >= VG_(fd_hard_limit)) |
| 1029 | allowed = False; |
| 1030 | |
| 1031 | /* hijacking the logging fd is never allowed */ |
| 1032 | if (fd == VG_(clo_log_fd)) |
| 1033 | allowed = False; |
| 1034 | |
| 1035 | /* if creating a new fd (rather than using an existing one), the |
| 1036 | soft limit must also be observed */ |
| 1037 | if (isNewFd && fd >= VG_(fd_soft_limit)) |
| 1038 | allowed = False; |
| 1039 | |
| 1040 | /* this looks like it ought to be included, but causes problems: */ |
| 1041 | /* |
| 1042 | if (fd == 2 && VG_(debugLog_getLevel)() > 0) |
| 1043 | allowed = False; |
| 1044 | */ |
| 1045 | /* The difficulty is as follows: consider a program P which expects |
| 1046 | to be able to mess with (redirect) its own stderr (fd 2). |
| 1047 | Usually to deal with P we would issue command line flags to send |
| 1048 | logging somewhere other than stderr, so as not to disrupt P. |
| 1049 | The problem is that -d unilaterally hijacks stderr with no |
| 1050 | consultation with P. And so, if this check is enabled, P will |
| 1051 | work OK normally but fail if -d is issued. |
| 1052 | |
| 1053 | Basically -d is a hack and you take your chances when using it. |
| 1054 | It's very useful for low level debugging -- particularly at |
| 1055 | startup -- and having its presence change the behaviour of the |
| 1056 | client is exactly what we don't want. */ |
| 1057 | |
| 1058 | /* croak? */ |
| 1059 | if ((!allowed) && VG_(showing_core_errors)() ) { |
jseward | d9320a4 | 2003-12-12 06:40:05 +0000 | [diff] [blame] | 1060 | VG_(message)(Vg_UserMsg, |
| 1061 | "Warning: invalid file descriptor %d in syscall %s()", |
nethercote | 1543adf | 2004-10-25 15:43:21 +0000 | [diff] [blame] | 1062 | fd, syscallname); |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 1063 | if (fd == VG_(clo_log_fd)) |
jseward | d9320a4 | 2003-12-12 06:40:05 +0000 | [diff] [blame] | 1064 | VG_(message)(Vg_UserMsg, |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 1065 | " Use --log-fd=<number> to select an alternative log fd."); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1066 | if (VG_(clo_verbosity) > 1) { |
njn | d01fef7 | 2005-03-25 23:35:48 +0000 | [diff] [blame] | 1067 | VG_(get_and_pp_StackTrace)(tid, VG_(clo_backtrace_size)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1068 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1069 | } |
sewardj | 0423690 | 2005-10-04 22:27:22 +0000 | [diff] [blame] | 1070 | |
| 1071 | return allowed; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1072 | } |
| 1073 | |
| 1074 | |
| 1075 | /* --------------------------------------------------------------------- |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1076 | Deal with a bunch of socket-related syscalls |
| 1077 | ------------------------------------------------------------------ */ |
| 1078 | |
| 1079 | /* ------ */ |
| 1080 | |
sewardj | 987a8eb | 2005-03-01 19:00:30 +0000 | [diff] [blame] | 1081 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1082 | ML_(generic_PRE_sys_socketpair) ( ThreadId tid, |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1083 | UWord arg0, UWord arg1, |
| 1084 | UWord arg2, UWord arg3 ) |
| 1085 | { |
| 1086 | /* int socketpair(int d, int type, int protocol, int sv[2]); */ |
| 1087 | PRE_MEM_WRITE( "socketcall.socketpair(sv)", |
| 1088 | arg3, 2*sizeof(int) ); |
| 1089 | } |
| 1090 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1091 | SysRes |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1092 | ML_(generic_POST_sys_socketpair) ( ThreadId tid, |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1093 | SysRes res, |
sewardj | 987a8eb | 2005-03-01 19:00:30 +0000 | [diff] [blame] | 1094 | UWord arg0, UWord arg1, |
| 1095 | UWord arg2, UWord arg3 ) |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1096 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1097 | SysRes r = res; |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1098 | Int fd1 = ((Int*)arg3)[0]; |
| 1099 | Int fd2 = ((Int*)arg3)[1]; |
tom | 60a4b0b | 2005-10-12 10:45:27 +0000 | [diff] [blame] | 1100 | vg_assert(!res.isError); /* guaranteed by caller */ |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1101 | POST_MEM_WRITE( arg3, 2*sizeof(int) ); |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1102 | if (!ML_(fd_allowed)(fd1, "socketcall.socketpair", tid, True) || |
| 1103 | !ML_(fd_allowed)(fd2, "socketcall.socketpair", tid, True)) { |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1104 | VG_(close)(fd1); |
| 1105 | VG_(close)(fd2); |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1106 | r = VG_(mk_SysRes_Error)( VKI_EMFILE ); |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1107 | } else { |
| 1108 | POST_MEM_WRITE( arg3, 2*sizeof(int) ); |
| 1109 | if (VG_(clo_track_fds)) { |
njn | f845f8f | 2005-06-23 02:26:47 +0000 | [diff] [blame] | 1110 | ML_(record_fd_open_nameless)(tid, fd1); |
| 1111 | ML_(record_fd_open_nameless)(tid, fd2); |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1112 | } |
| 1113 | } |
| 1114 | return r; |
| 1115 | } |
| 1116 | |
| 1117 | /* ------ */ |
| 1118 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1119 | SysRes |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1120 | ML_(generic_POST_sys_socket) ( ThreadId tid, SysRes res ) |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1121 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1122 | SysRes r = res; |
| 1123 | vg_assert(!res.isError); /* guaranteed by caller */ |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1124 | if (!ML_(fd_allowed)(res.val, "socket", tid, True)) { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1125 | VG_(close)(res.val); |
| 1126 | r = VG_(mk_SysRes_Error)( VKI_EMFILE ); |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1127 | } else { |
| 1128 | if (VG_(clo_track_fds)) |
njn | f845f8f | 2005-06-23 02:26:47 +0000 | [diff] [blame] | 1129 | ML_(record_fd_open_nameless)(tid, res.val); |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1130 | } |
| 1131 | return r; |
| 1132 | } |
| 1133 | |
| 1134 | /* ------ */ |
| 1135 | |
sewardj | 987a8eb | 2005-03-01 19:00:30 +0000 | [diff] [blame] | 1136 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1137 | ML_(generic_PRE_sys_bind) ( ThreadId tid, |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1138 | UWord arg0, UWord arg1, UWord arg2 ) |
| 1139 | { |
| 1140 | /* int bind(int sockfd, struct sockaddr *my_addr, |
| 1141 | int addrlen); */ |
| 1142 | pre_mem_read_sockaddr( |
| 1143 | tid, "socketcall.bind(my_addr.%s)", |
| 1144 | (struct vki_sockaddr *) arg1, arg2 |
| 1145 | ); |
| 1146 | } |
| 1147 | |
| 1148 | /* ------ */ |
| 1149 | |
sewardj | 987a8eb | 2005-03-01 19:00:30 +0000 | [diff] [blame] | 1150 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1151 | ML_(generic_PRE_sys_accept) ( ThreadId tid, |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1152 | UWord arg0, UWord arg1, UWord arg2 ) |
| 1153 | { |
| 1154 | /* int accept(int s, struct sockaddr *addr, int *addrlen); */ |
| 1155 | Addr addr_p = arg1; |
| 1156 | Addr addrlen_p = arg2; |
| 1157 | if (addr_p != (Addr)NULL) |
| 1158 | buf_and_len_pre_check ( tid, addr_p, addrlen_p, |
| 1159 | "socketcall.accept(addr)", |
| 1160 | "socketcall.accept(addrlen_in)" ); |
| 1161 | } |
| 1162 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1163 | SysRes |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1164 | ML_(generic_POST_sys_accept) ( ThreadId tid, |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1165 | SysRes res, |
sewardj | 987a8eb | 2005-03-01 19:00:30 +0000 | [diff] [blame] | 1166 | UWord arg0, UWord arg1, UWord arg2 ) |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1167 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1168 | SysRes r = res; |
| 1169 | vg_assert(!res.isError); /* guaranteed by caller */ |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1170 | if (!ML_(fd_allowed)(res.val, "accept", tid, True)) { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1171 | VG_(close)(res.val); |
| 1172 | r = VG_(mk_SysRes_Error)( VKI_EMFILE ); |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1173 | } else { |
| 1174 | Addr addr_p = arg1; |
| 1175 | Addr addrlen_p = arg2; |
| 1176 | if (addr_p != (Addr)NULL) |
| 1177 | buf_and_len_post_check ( tid, res, addr_p, addrlen_p, |
| 1178 | "socketcall.accept(addrlen_out)" ); |
| 1179 | if (VG_(clo_track_fds)) |
njn | f845f8f | 2005-06-23 02:26:47 +0000 | [diff] [blame] | 1180 | ML_(record_fd_open_nameless)(tid, res.val); |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1181 | } |
| 1182 | return r; |
| 1183 | } |
| 1184 | |
| 1185 | /* ------ */ |
| 1186 | |
sewardj | 987a8eb | 2005-03-01 19:00:30 +0000 | [diff] [blame] | 1187 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1188 | ML_(generic_PRE_sys_sendto) ( ThreadId tid, |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1189 | UWord arg0, UWord arg1, UWord arg2, |
| 1190 | UWord arg3, UWord arg4, UWord arg5 ) |
| 1191 | { |
| 1192 | /* int sendto(int s, const void *msg, int len, |
| 1193 | unsigned int flags, |
| 1194 | const struct sockaddr *to, int tolen); */ |
| 1195 | PRE_MEM_READ( "socketcall.sendto(msg)", |
| 1196 | arg1, /* msg */ |
| 1197 | arg2 /* len */ ); |
| 1198 | pre_mem_read_sockaddr( |
| 1199 | tid, "socketcall.sendto(to.%s)", |
| 1200 | (struct vki_sockaddr *) arg4, arg5 |
| 1201 | ); |
| 1202 | } |
| 1203 | |
| 1204 | /* ------ */ |
| 1205 | |
sewardj | 987a8eb | 2005-03-01 19:00:30 +0000 | [diff] [blame] | 1206 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1207 | ML_(generic_PRE_sys_send) ( ThreadId tid, |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1208 | UWord arg0, UWord arg1, UWord arg2 ) |
| 1209 | { |
| 1210 | /* int send(int s, const void *msg, size_t len, int flags); */ |
| 1211 | PRE_MEM_READ( "socketcall.send(msg)", |
| 1212 | arg1, /* msg */ |
| 1213 | arg2 /* len */ ); |
| 1214 | |
| 1215 | } |
| 1216 | |
| 1217 | /* ------ */ |
| 1218 | |
sewardj | 987a8eb | 2005-03-01 19:00:30 +0000 | [diff] [blame] | 1219 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1220 | ML_(generic_PRE_sys_recvfrom) ( ThreadId tid, |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1221 | UWord arg0, UWord arg1, UWord arg2, |
| 1222 | UWord arg3, UWord arg4, UWord arg5 ) |
| 1223 | { |
| 1224 | /* int recvfrom(int s, void *buf, int len, unsigned int flags, |
| 1225 | struct sockaddr *from, int *fromlen); */ |
| 1226 | Addr buf_p = arg1; |
| 1227 | Int len = arg2; |
| 1228 | Addr from_p = arg4; |
| 1229 | Addr fromlen_p = arg5; |
| 1230 | PRE_MEM_WRITE( "socketcall.recvfrom(buf)", buf_p, len ); |
| 1231 | if (from_p != (Addr)NULL) |
| 1232 | buf_and_len_pre_check ( tid, from_p, fromlen_p, |
| 1233 | "socketcall.recvfrom(from)", |
| 1234 | "socketcall.recvfrom(fromlen_in)" ); |
| 1235 | } |
| 1236 | |
sewardj | 987a8eb | 2005-03-01 19:00:30 +0000 | [diff] [blame] | 1237 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1238 | ML_(generic_POST_sys_recvfrom) ( ThreadId tid, |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1239 | SysRes res, |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1240 | UWord arg0, UWord arg1, UWord arg2, |
| 1241 | UWord arg3, UWord arg4, UWord arg5 ) |
| 1242 | { |
| 1243 | Addr buf_p = arg1; |
| 1244 | Int len = arg2; |
| 1245 | Addr from_p = arg4; |
| 1246 | Addr fromlen_p = arg5; |
| 1247 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1248 | vg_assert(!res.isError); /* guaranteed by caller */ |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1249 | if (from_p != (Addr)NULL) |
| 1250 | buf_and_len_post_check ( tid, res, from_p, fromlen_p, |
| 1251 | "socketcall.recvfrom(fromlen_out)" ); |
| 1252 | POST_MEM_WRITE( buf_p, len ); |
| 1253 | } |
| 1254 | |
| 1255 | /* ------ */ |
| 1256 | |
sewardj | 987a8eb | 2005-03-01 19:00:30 +0000 | [diff] [blame] | 1257 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1258 | ML_(generic_PRE_sys_recv) ( ThreadId tid, |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1259 | UWord arg0, UWord arg1, UWord arg2 ) |
| 1260 | { |
| 1261 | /* int recv(int s, void *buf, int len, unsigned int flags); */ |
| 1262 | /* man 2 recv says: |
| 1263 | The recv call is normally used only on a connected socket |
| 1264 | (see connect(2)) and is identical to recvfrom with a NULL |
| 1265 | from parameter. |
| 1266 | */ |
| 1267 | PRE_MEM_WRITE( "socketcall.recv(buf)", |
| 1268 | arg1, /* buf */ |
| 1269 | arg2 /* len */ ); |
| 1270 | } |
| 1271 | |
sewardj | 987a8eb | 2005-03-01 19:00:30 +0000 | [diff] [blame] | 1272 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1273 | ML_(generic_POST_sys_recv) ( ThreadId tid, |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1274 | UWord res, |
| 1275 | UWord arg0, UWord arg1, UWord arg2 ) |
| 1276 | { |
| 1277 | if (res >= 0 && arg1 != 0) { |
| 1278 | POST_MEM_WRITE( arg1, /* buf */ |
| 1279 | arg2 /* len */ ); |
| 1280 | } |
| 1281 | } |
| 1282 | |
| 1283 | /* ------ */ |
| 1284 | |
sewardj | 987a8eb | 2005-03-01 19:00:30 +0000 | [diff] [blame] | 1285 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1286 | ML_(generic_PRE_sys_connect) ( ThreadId tid, |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1287 | UWord arg0, UWord arg1, UWord arg2 ) |
| 1288 | { |
| 1289 | /* int connect(int sockfd, |
| 1290 | struct sockaddr *serv_addr, int addrlen ); */ |
| 1291 | PRE_MEM_READ( "socketcall.connect(serv_addr.sa_family)", |
| 1292 | arg1, /* serv_addr */ |
| 1293 | sizeof(vki_sa_family_t)); |
| 1294 | pre_mem_read_sockaddr( tid, |
| 1295 | "socketcall.connect(serv_addr.%s)", |
| 1296 | (struct vki_sockaddr *) arg1, arg2); |
| 1297 | } |
| 1298 | |
| 1299 | /* ------ */ |
| 1300 | |
sewardj | 987a8eb | 2005-03-01 19:00:30 +0000 | [diff] [blame] | 1301 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1302 | ML_(generic_PRE_sys_setsockopt) ( ThreadId tid, |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1303 | UWord arg0, UWord arg1, UWord arg2, |
| 1304 | UWord arg3, UWord arg4 ) |
| 1305 | { |
| 1306 | /* int setsockopt(int s, int level, int optname, |
| 1307 | const void *optval, int optlen); */ |
| 1308 | PRE_MEM_READ( "socketcall.setsockopt(optval)", |
| 1309 | arg3, /* optval */ |
| 1310 | arg4 /* optlen */ ); |
| 1311 | } |
| 1312 | |
| 1313 | /* ------ */ |
| 1314 | |
sewardj | 987a8eb | 2005-03-01 19:00:30 +0000 | [diff] [blame] | 1315 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1316 | ML_(generic_PRE_sys_getsockopt) ( ThreadId tid, |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1317 | UWord arg0, UWord arg1, UWord arg2, |
| 1318 | UWord arg3, UWord arg4 ) |
| 1319 | { |
| 1320 | /* int getsockopt(int s, int level, int optname, |
| 1321 | void *optval, socklen_t *optlen); */ |
| 1322 | Addr optval_p = arg3; |
| 1323 | Addr optlen_p = arg4; |
| 1324 | /* vg_assert(sizeof(socklen_t) == sizeof(UInt)); */ |
tom | 1aa5737 | 2005-08-28 10:16:29 +0000 | [diff] [blame] | 1325 | if (optval_p != (Addr)NULL) { |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1326 | buf_and_len_pre_check ( tid, optval_p, optlen_p, |
| 1327 | "socketcall.getsockopt(optval)", |
| 1328 | "socketcall.getsockopt(optlen)" ); |
tom | 1aa5737 | 2005-08-28 10:16:29 +0000 | [diff] [blame] | 1329 | if (arg1 == VKI_SOL_SCTP && |
| 1330 | (arg2 == VKI_SCTP_GET_PEER_ADDRS || arg2 == VKI_SCTP_GET_LOCAL_ADDRS)) { |
| 1331 | struct vki_sctp_getaddrs *ga = (struct vki_sctp_getaddrs*)arg3; |
| 1332 | int address_bytes = sizeof(struct vki_sockaddr_in6) * ga->addr_num; |
| 1333 | PRE_MEM_WRITE( "socketcall.getsockopt(optval.addrs)", (Addr)ga->addrs, address_bytes ); |
| 1334 | } |
| 1335 | } |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1336 | } |
| 1337 | |
sewardj | 987a8eb | 2005-03-01 19:00:30 +0000 | [diff] [blame] | 1338 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1339 | ML_(generic_POST_sys_getsockopt) ( ThreadId tid, |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1340 | SysRes res, |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1341 | UWord arg0, UWord arg1, UWord arg2, |
| 1342 | UWord arg3, UWord arg4 ) |
| 1343 | { |
| 1344 | Addr optval_p = arg3; |
| 1345 | Addr optlen_p = arg4; |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1346 | vg_assert(!res.isError); /* guaranteed by caller */ |
tom | 1aa5737 | 2005-08-28 10:16:29 +0000 | [diff] [blame] | 1347 | if (optval_p != (Addr)NULL) { |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1348 | buf_and_len_post_check ( tid, res, optval_p, optlen_p, |
| 1349 | "socketcall.getsockopt(optlen_out)" ); |
tom | 1aa5737 | 2005-08-28 10:16:29 +0000 | [diff] [blame] | 1350 | if (arg1 == VKI_SOL_SCTP && |
| 1351 | (arg2 == VKI_SCTP_GET_PEER_ADDRS || arg2 == VKI_SCTP_GET_LOCAL_ADDRS)) { |
| 1352 | struct vki_sctp_getaddrs *ga = (struct vki_sctp_getaddrs*)arg3; |
| 1353 | struct vki_sockaddr *a = ga->addrs; |
| 1354 | int i; |
| 1355 | for (i = 0; i < ga->addr_num; i++) { |
| 1356 | int sl = 0; |
| 1357 | if (a->sa_family == VKI_AF_INET) |
| 1358 | sl = sizeof(struct vki_sockaddr_in); |
| 1359 | else if (a->sa_family == VKI_AF_INET6) |
| 1360 | sl = sizeof(struct vki_sockaddr_in6); |
| 1361 | else { |
| 1362 | VG_(message)(Vg_UserMsg, "Warning: getsockopt: unhandled address type %d", a->sa_family); |
| 1363 | } |
| 1364 | a = (struct vki_sockaddr*)((char*)a + sl); |
| 1365 | } |
| 1366 | POST_MEM_WRITE( (Addr)ga->addrs, (char*)a - (char*)ga->addrs ); |
| 1367 | } |
| 1368 | } |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1369 | } |
| 1370 | |
| 1371 | /* ------ */ |
| 1372 | |
sewardj | 987a8eb | 2005-03-01 19:00:30 +0000 | [diff] [blame] | 1373 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1374 | ML_(generic_PRE_sys_getsockname) ( ThreadId tid, |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1375 | UWord arg0, UWord arg1, UWord arg2 ) |
| 1376 | { |
| 1377 | /* int getsockname(int s, struct sockaddr* name, int* namelen) */ |
| 1378 | Addr name_p = arg1; |
| 1379 | Addr namelen_p = arg2; |
| 1380 | /* Nb: name_p cannot be NULL */ |
| 1381 | buf_and_len_pre_check ( tid, name_p, namelen_p, |
| 1382 | "socketcall.getsockname(name)", |
| 1383 | "socketcall.getsockname(namelen_in)" ); |
| 1384 | } |
| 1385 | |
sewardj | 987a8eb | 2005-03-01 19:00:30 +0000 | [diff] [blame] | 1386 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1387 | ML_(generic_POST_sys_getsockname) ( ThreadId tid, |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1388 | SysRes res, |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1389 | UWord arg0, UWord arg1, UWord arg2 ) |
| 1390 | { |
| 1391 | Addr name_p = arg1; |
| 1392 | Addr namelen_p = arg2; |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1393 | vg_assert(!res.isError); /* guaranteed by caller */ |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1394 | buf_and_len_post_check ( tid, res, name_p, namelen_p, |
| 1395 | "socketcall.getsockname(namelen_out)" ); |
| 1396 | } |
| 1397 | |
| 1398 | /* ------ */ |
| 1399 | |
sewardj | 987a8eb | 2005-03-01 19:00:30 +0000 | [diff] [blame] | 1400 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1401 | ML_(generic_PRE_sys_getpeername) ( ThreadId tid, |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1402 | UWord arg0, UWord arg1, UWord arg2 ) |
| 1403 | { |
| 1404 | /* int getpeername(int s, struct sockaddr* name, int* namelen) */ |
| 1405 | Addr name_p = arg1; |
| 1406 | Addr namelen_p = arg2; |
| 1407 | /* Nb: name_p cannot be NULL */ |
| 1408 | buf_and_len_pre_check ( tid, name_p, namelen_p, |
| 1409 | "socketcall.getpeername(name)", |
| 1410 | "socketcall.getpeername(namelen_in)" ); |
| 1411 | } |
| 1412 | |
sewardj | 987a8eb | 2005-03-01 19:00:30 +0000 | [diff] [blame] | 1413 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1414 | ML_(generic_POST_sys_getpeername) ( ThreadId tid, |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1415 | SysRes res, |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1416 | UWord arg0, UWord arg1, UWord arg2 ) |
| 1417 | { |
| 1418 | Addr name_p = arg1; |
| 1419 | Addr namelen_p = arg2; |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1420 | vg_assert(!res.isError); /* guaranteed by caller */ |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1421 | buf_and_len_post_check ( tid, res, name_p, namelen_p, |
| 1422 | "socketcall.getpeername(namelen_out)" ); |
| 1423 | } |
| 1424 | |
| 1425 | /* ------ */ |
| 1426 | |
sewardj | 987a8eb | 2005-03-01 19:00:30 +0000 | [diff] [blame] | 1427 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1428 | ML_(generic_PRE_sys_sendmsg) ( ThreadId tid, |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1429 | UWord arg0, UWord arg1 ) |
| 1430 | { |
| 1431 | /* int sendmsg(int s, const struct msghdr *msg, int flags); */ |
| 1432 | struct vki_msghdr *msg = (struct vki_msghdr *)arg1; |
| 1433 | msghdr_foreachfield ( tid, msg, pre_mem_read_sendmsg ); |
| 1434 | } |
| 1435 | |
| 1436 | /* ------ */ |
| 1437 | |
sewardj | 987a8eb | 2005-03-01 19:00:30 +0000 | [diff] [blame] | 1438 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1439 | ML_(generic_PRE_sys_recvmsg) ( ThreadId tid, |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1440 | UWord arg0, UWord arg1 ) |
| 1441 | { |
| 1442 | /* int recvmsg(int s, struct msghdr *msg, int flags); */ |
| 1443 | struct vki_msghdr *msg = (struct vki_msghdr *)arg1; |
| 1444 | msghdr_foreachfield ( tid, msg, pre_mem_write_recvmsg ); |
| 1445 | } |
| 1446 | |
sewardj | 987a8eb | 2005-03-01 19:00:30 +0000 | [diff] [blame] | 1447 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1448 | ML_(generic_POST_sys_recvmsg) ( ThreadId tid, |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 1449 | UWord arg0, UWord arg1 ) |
| 1450 | { |
| 1451 | struct vki_msghdr *msg = (struct vki_msghdr *)arg1; |
| 1452 | msghdr_foreachfield( tid, msg, post_mem_write_recvmsg ); |
| 1453 | check_cmsg_for_fds( tid, msg ); |
| 1454 | } |
| 1455 | |
| 1456 | |
| 1457 | /* --------------------------------------------------------------------- |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1458 | Deal with a bunch of IPC related syscalls |
| 1459 | ------------------------------------------------------------------ */ |
| 1460 | |
| 1461 | /* ------ */ |
| 1462 | |
| 1463 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1464 | ML_(generic_PRE_sys_semop) ( ThreadId tid, |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1465 | UWord arg0, UWord arg1, UWord arg2 ) |
| 1466 | { |
| 1467 | /* int semop(int semid, struct sembuf *sops, unsigned nsops); */ |
| 1468 | PRE_MEM_READ( "semop(sops)", arg1, arg2 * sizeof(struct vki_sembuf) ); |
| 1469 | } |
| 1470 | |
| 1471 | /* ------ */ |
| 1472 | |
| 1473 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1474 | ML_(generic_PRE_sys_semtimedop) ( ThreadId tid, |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1475 | UWord arg0, UWord arg1, |
| 1476 | UWord arg2, UWord arg3 ) |
| 1477 | { |
| 1478 | /* int semtimedop(int semid, struct sembuf *sops, unsigned nsops, |
| 1479 | struct timespec *timeout); */ |
| 1480 | PRE_MEM_READ( "semtimedop(sops)", arg1, arg2 * sizeof(struct vki_sembuf) ); |
| 1481 | if (arg3 != 0) |
| 1482 | PRE_MEM_READ( "semtimedop(timeout)", arg3, sizeof(struct vki_timespec) ); |
| 1483 | } |
| 1484 | |
| 1485 | /* ------ */ |
| 1486 | |
| 1487 | static |
| 1488 | UInt get_sem_count( Int semid ) |
| 1489 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1490 | struct vki_semid_ds buf; |
| 1491 | union vki_semun arg; |
| 1492 | SysRes res; |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1493 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1494 | arg.buf = &buf; |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1495 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1496 | # ifdef __NR_semctl |
| 1497 | res = VG_(do_syscall4)(__NR_semctl, semid, 0, VKI_IPC_STAT, *(UWord *)&arg); |
| 1498 | # else |
| 1499 | res = VG_(do_syscall5)(__NR_ipc, 3 /* IPCOP_semctl */, semid, 0, |
| 1500 | VKI_IPC_STAT, (UWord)&arg); |
| 1501 | # endif |
| 1502 | if (res.isError) |
| 1503 | return 0; |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1504 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1505 | return buf.sem_nsems; |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1506 | } |
| 1507 | |
| 1508 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1509 | ML_(generic_PRE_sys_semctl) ( ThreadId tid, |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1510 | UWord arg0, UWord arg1, |
| 1511 | UWord arg2, UWord arg3 ) |
| 1512 | { |
| 1513 | /* int semctl(int semid, int semnum, int cmd, ...); */ |
| 1514 | union vki_semun arg = *(union vki_semun *)&arg3; |
| 1515 | UInt nsems; |
| 1516 | switch (arg2 /* cmd */) { |
| 1517 | case VKI_IPC_INFO: |
| 1518 | case VKI_SEM_INFO: |
| 1519 | case VKI_IPC_INFO|VKI_IPC_64: |
| 1520 | case VKI_SEM_INFO|VKI_IPC_64: |
| 1521 | PRE_MEM_WRITE( "semctl(IPC_INFO, arg.buf)", |
| 1522 | (Addr)arg.buf, sizeof(struct vki_seminfo) ); |
| 1523 | break; |
| 1524 | case VKI_IPC_STAT: |
| 1525 | case VKI_SEM_STAT: |
| 1526 | PRE_MEM_WRITE( "semctl(IPC_STAT, arg.buf)", |
| 1527 | (Addr)arg.buf, sizeof(struct vki_semid_ds) ); |
| 1528 | break; |
| 1529 | case VKI_IPC_STAT|VKI_IPC_64: |
| 1530 | case VKI_SEM_STAT|VKI_IPC_64: |
| 1531 | PRE_MEM_WRITE( "semctl(IPC_STAT, arg.buf)", |
| 1532 | (Addr)arg.buf, sizeof(struct vki_semid64_ds) ); |
| 1533 | break; |
| 1534 | case VKI_IPC_SET: |
| 1535 | PRE_MEM_READ( "semctl(IPC_SET, arg.buf)", |
| 1536 | (Addr)arg.buf, sizeof(struct vki_semid_ds) ); |
| 1537 | break; |
| 1538 | case VKI_IPC_SET|VKI_IPC_64: |
| 1539 | PRE_MEM_READ( "semctl(IPC_SET, arg.buf)", |
| 1540 | (Addr)arg.buf, sizeof(struct vki_semid64_ds) ); |
| 1541 | break; |
| 1542 | case VKI_GETALL: |
| 1543 | case VKI_GETALL|VKI_IPC_64: |
| 1544 | nsems = get_sem_count( arg0 ); |
| 1545 | PRE_MEM_WRITE( "semctl(IPC_GETALL, arg.array)", |
| 1546 | (Addr)arg.array, sizeof(unsigned short) * nsems ); |
| 1547 | break; |
| 1548 | case VKI_SETALL: |
| 1549 | case VKI_SETALL|VKI_IPC_64: |
| 1550 | nsems = get_sem_count( arg0 ); |
| 1551 | PRE_MEM_READ( "semctl(IPC_SETALL, arg.array)", |
| 1552 | (Addr)arg.array, sizeof(unsigned short) * nsems ); |
| 1553 | break; |
| 1554 | } |
| 1555 | } |
| 1556 | |
| 1557 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1558 | ML_(generic_POST_sys_semctl) ( ThreadId tid, |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1559 | UWord res, |
| 1560 | UWord arg0, UWord arg1, |
| 1561 | UWord arg2, UWord arg3 ) |
| 1562 | { |
| 1563 | union vki_semun arg = *(union vki_semun *)&arg3; |
| 1564 | UInt nsems; |
| 1565 | switch (arg2 /* cmd */) { |
| 1566 | case VKI_IPC_INFO: |
| 1567 | case VKI_SEM_INFO: |
| 1568 | case VKI_IPC_INFO|VKI_IPC_64: |
| 1569 | case VKI_SEM_INFO|VKI_IPC_64: |
| 1570 | POST_MEM_WRITE( (Addr)arg.buf, sizeof(struct vki_seminfo) ); |
| 1571 | break; |
| 1572 | case VKI_IPC_STAT: |
| 1573 | case VKI_SEM_STAT: |
| 1574 | POST_MEM_WRITE( (Addr)arg.buf, sizeof(struct vki_semid_ds) ); |
| 1575 | break; |
| 1576 | case VKI_IPC_STAT|VKI_IPC_64: |
| 1577 | case VKI_SEM_STAT|VKI_IPC_64: |
| 1578 | POST_MEM_WRITE( (Addr)arg.buf, sizeof(struct vki_semid64_ds) ); |
| 1579 | break; |
| 1580 | case VKI_GETALL: |
| 1581 | case VKI_GETALL|VKI_IPC_64: |
| 1582 | nsems = get_sem_count( arg0 ); |
| 1583 | POST_MEM_WRITE( (Addr)arg.array, sizeof(unsigned short) * nsems ); |
| 1584 | break; |
| 1585 | } |
| 1586 | } |
| 1587 | |
| 1588 | /* ------ */ |
| 1589 | |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1590 | /* ------ */ |
| 1591 | |
| 1592 | static |
| 1593 | UInt get_shm_size ( Int shmid ) |
| 1594 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1595 | # ifdef __NR_shmctl |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1596 | struct vki_shmid64_ds buf; |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1597 | SysRes __res = VG_(do_syscall3)(__NR_shmctl, shmid, VKI_IPC_STAT, (UWord)&buf); |
| 1598 | # else |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1599 | struct vki_shmid_ds buf; |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1600 | SysRes __res = VG_(do_syscall5)(__NR_ipc, 24 /* IPCOP_shmctl */, shmid, |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1601 | VKI_IPC_STAT, 0, (UWord)&buf); |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1602 | # endif |
| 1603 | if (__res.isError) |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1604 | return 0; |
| 1605 | |
| 1606 | return buf.shm_segsz; |
| 1607 | } |
| 1608 | |
| 1609 | UWord |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1610 | ML_(generic_PRE_sys_shmat) ( ThreadId tid, |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1611 | UWord arg0, UWord arg1, UWord arg2 ) |
| 1612 | { |
| 1613 | /* void *shmat(int shmid, const void *shmaddr, int shmflg); */ |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 1614 | UInt segmentSize = get_shm_size ( arg0 ); |
| 1615 | UWord tmp; |
| 1616 | Bool ok; |
| 1617 | if (arg1 == 0) { |
| 1618 | tmp = VG_(am_get_advisory_client_simple)(0, segmentSize, &ok); |
| 1619 | if (ok) |
| 1620 | arg1 = tmp; |
| 1621 | } |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1622 | else if (!ML_(valid_client_addr)(arg1, segmentSize, tid, "shmat")) |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1623 | arg1 = 0; |
| 1624 | return arg1; |
| 1625 | } |
| 1626 | |
| 1627 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1628 | ML_(generic_POST_sys_shmat) ( ThreadId tid, |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1629 | UWord res, |
| 1630 | UWord arg0, UWord arg1, UWord arg2 ) |
| 1631 | { |
| 1632 | UInt segmentSize = get_shm_size ( arg0 ); |
| 1633 | if ( segmentSize > 0 ) { |
| 1634 | UInt prot = VKI_PROT_READ|VKI_PROT_WRITE; |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 1635 | Bool d; |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1636 | |
tom | f61fea0 | 2005-10-04 12:04:06 +0000 | [diff] [blame] | 1637 | if (arg2 & VKI_SHM_RDONLY) |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1638 | prot &= ~VKI_PROT_WRITE; |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 1639 | /* It isn't exactly correct to pass 0 for the fd and offset |
| 1640 | here. The kernel seems to think the corresponding section |
| 1641 | does have dev/ino numbers: |
| 1642 | |
| 1643 | 04e52000-04ec8000 rw-s 00000000 00:06 1966090 /SYSV00000000 (deleted) |
| 1644 | |
| 1645 | However there is no obvious way to find them. In order to |
| 1646 | cope with the discrepancy, aspacem's sync checker omits the |
| 1647 | dev/ino correspondence check in cases where V does not know |
| 1648 | the dev/ino. */ |
tom | 1340c35 | 2005-10-04 15:59:54 +0000 | [diff] [blame] | 1649 | d = VG_(am_notify_client_shmat)( res, VG_PGROUNDUP(segmentSize), prot ); |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 1650 | |
| 1651 | /* we don't distinguish whether it's read-only or |
| 1652 | * read-write -- it doesn't matter really. */ |
| 1653 | VG_TRACK( new_mem_mmap, res, segmentSize, True, True, False ); |
| 1654 | if (d) |
| 1655 | VG_(discard_translations)( (Addr64)res, |
| 1656 | (ULong)VG_PGROUNDUP(segmentSize), |
| 1657 | "ML_(generic_POST_sys_shmat)" ); |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1658 | } |
| 1659 | } |
| 1660 | |
| 1661 | /* ------ */ |
| 1662 | |
| 1663 | Bool |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1664 | ML_(generic_PRE_sys_shmdt) ( ThreadId tid, UWord arg0 ) |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1665 | { |
| 1666 | /* int shmdt(const void *shmaddr); */ |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1667 | return ML_(valid_client_addr)(arg0, 1, tid, "shmdt"); |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1668 | } |
| 1669 | |
| 1670 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1671 | ML_(generic_POST_sys_shmdt) ( ThreadId tid, UWord res, UWord arg0 ) |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1672 | { |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 1673 | NSegment* s = VG_(am_find_nsegment)(arg0); |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1674 | |
sewardj | 0e682c6 | 2005-09-28 20:05:31 +0000 | [diff] [blame] | 1675 | if (s != NULL) { |
| 1676 | Addr s_start = s->start; |
| 1677 | SizeT s_len = s->end+1 - s->start; |
tom | 1340c35 | 2005-10-04 15:59:54 +0000 | [diff] [blame] | 1678 | Bool d; |
| 1679 | |
| 1680 | vg_assert(s->kind == SkShmC && s->start == arg0); |
| 1681 | |
| 1682 | d = VG_(am_notify_munmap)(s_start, s_len); |
sewardj | 0e682c6 | 2005-09-28 20:05:31 +0000 | [diff] [blame] | 1683 | s = NULL; /* s is now invalid */ |
| 1684 | VG_TRACK( die_mem_munmap, s_start, s_len ); |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 1685 | if (d) |
sewardj | 0e682c6 | 2005-09-28 20:05:31 +0000 | [diff] [blame] | 1686 | VG_(discard_translations)( (Addr64)s_start, |
| 1687 | (ULong)s_len, |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 1688 | "ML_(generic_POST_sys_shmdt)" ); |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1689 | } |
| 1690 | } |
| 1691 | /* ------ */ |
| 1692 | |
| 1693 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1694 | ML_(generic_PRE_sys_shmctl) ( ThreadId tid, |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1695 | UWord arg0, UWord arg1, UWord arg2 ) |
| 1696 | { |
| 1697 | /* int shmctl(int shmid, int cmd, struct shmid_ds *buf); */ |
| 1698 | switch (arg1 /* cmd */) { |
| 1699 | case VKI_IPC_INFO: |
| 1700 | PRE_MEM_WRITE( "shmctl(IPC_INFO, buf)", |
| 1701 | arg2, sizeof(struct vki_shminfo) ); |
| 1702 | break; |
| 1703 | case VKI_IPC_INFO|VKI_IPC_64: |
| 1704 | PRE_MEM_WRITE( "shmctl(IPC_INFO, buf)", |
| 1705 | arg2, sizeof(struct vki_shminfo64) ); |
| 1706 | break; |
| 1707 | case VKI_SHM_INFO: |
| 1708 | case VKI_SHM_INFO|VKI_IPC_64: |
| 1709 | PRE_MEM_WRITE( "shmctl(SHM_INFO, buf)", |
| 1710 | arg2, sizeof(struct vki_shm_info) ); |
| 1711 | break; |
| 1712 | case VKI_IPC_STAT: |
| 1713 | case VKI_SHM_STAT: |
| 1714 | PRE_MEM_WRITE( "shmctl(IPC_STAT, buf)", |
| 1715 | arg2, sizeof(struct vki_shmid_ds) ); |
| 1716 | break; |
| 1717 | case VKI_IPC_STAT|VKI_IPC_64: |
| 1718 | case VKI_SHM_STAT|VKI_IPC_64: |
| 1719 | PRE_MEM_WRITE( "shmctl(IPC_STAT, arg.buf)", |
| 1720 | arg2, sizeof(struct vki_shmid64_ds) ); |
| 1721 | break; |
| 1722 | case VKI_IPC_SET: |
| 1723 | PRE_MEM_READ( "shmctl(IPC_SET, arg.buf)", |
| 1724 | arg2, sizeof(struct vki_shmid_ds) ); |
| 1725 | break; |
| 1726 | case VKI_IPC_SET|VKI_IPC_64: |
| 1727 | PRE_MEM_READ( "shmctl(IPC_SET, arg.buf)", |
| 1728 | arg2, sizeof(struct vki_shmid64_ds) ); |
| 1729 | break; |
| 1730 | } |
| 1731 | } |
| 1732 | |
| 1733 | void |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 1734 | ML_(generic_POST_sys_shmctl) ( ThreadId tid, |
sewardj | b369c5e | 2005-03-24 17:52:02 +0000 | [diff] [blame] | 1735 | UWord res, |
| 1736 | UWord arg0, UWord arg1, UWord arg2 ) |
| 1737 | { |
| 1738 | switch (arg1 /* cmd */) { |
| 1739 | case VKI_IPC_INFO: |
| 1740 | POST_MEM_WRITE( arg2, sizeof(struct vki_shminfo) ); |
| 1741 | break; |
| 1742 | case VKI_IPC_INFO|VKI_IPC_64: |
| 1743 | POST_MEM_WRITE( arg2, sizeof(struct vki_shminfo64) ); |
| 1744 | break; |
| 1745 | case VKI_SHM_INFO: |
| 1746 | case VKI_SHM_INFO|VKI_IPC_64: |
| 1747 | POST_MEM_WRITE( arg2, sizeof(struct vki_shm_info) ); |
| 1748 | break; |
| 1749 | case VKI_IPC_STAT: |
| 1750 | case VKI_SHM_STAT: |
| 1751 | POST_MEM_WRITE( arg2, sizeof(struct vki_shmid_ds) ); |
| 1752 | break; |
| 1753 | case VKI_IPC_STAT|VKI_IPC_64: |
| 1754 | case VKI_SHM_STAT|VKI_IPC_64: |
| 1755 | POST_MEM_WRITE( arg2, sizeof(struct vki_shmid64_ds) ); |
| 1756 | break; |
| 1757 | } |
| 1758 | } |
| 1759 | |
| 1760 | |
| 1761 | /* --------------------------------------------------------------------- |
tom | 9548a16 | 2005-09-30 08:07:53 +0000 | [diff] [blame] | 1762 | Generic handler for mmap |
| 1763 | ------------------------------------------------------------------ */ |
| 1764 | |
tom | 6d85b04 | 2005-09-30 16:09:12 +0000 | [diff] [blame] | 1765 | /* |
| 1766 | * Although mmap is specified by POSIX and the argument are generally |
| 1767 | * consistent across platforms the precise details of the low level |
| 1768 | * argument passing conventions differ. For example: |
| 1769 | * |
| 1770 | * - On x86-linux there is mmap (aka old_mmap) which takes the |
| 1771 | * arguments in a memory block and the offset in bytes; and |
| 1772 | * mmap2 (aka sys_mmap2) which takes the arguments in the normal |
| 1773 | * way and the offset in pages. |
| 1774 | * |
| 1775 | * - On ppc32-linux there is mmap (aka sys_mmap) which takes the |
| 1776 | * arguments in the normal way and the offset in bytes; and |
| 1777 | * mmap2 (aka sys_mmap2) which takes the arguments in the normal |
| 1778 | * way and the offset in pages. |
| 1779 | * |
| 1780 | * - On amd64-linux everything is simple and there is just the one |
| 1781 | * call, mmap (aka sys_mmap) which takes the arguments in the |
| 1782 | * normal way and the offset in bytes. |
| 1783 | * |
| 1784 | * To cope with all this we provide a generic handler function here |
| 1785 | * and then each platform implements one or more system call handlers |
| 1786 | * which call this generic routine after extracting and normalising |
| 1787 | * the arguments. |
| 1788 | */ |
| 1789 | |
tom | 9548a16 | 2005-09-30 08:07:53 +0000 | [diff] [blame] | 1790 | SysRes |
| 1791 | ML_(generic_PRE_sys_mmap) ( ThreadId tid, |
| 1792 | UWord arg1, UWord arg2, UWord arg3, |
sewardj | 274461d | 2005-10-02 17:01:41 +0000 | [diff] [blame] | 1793 | UWord arg4, UWord arg5, Off64T arg6 ) |
tom | 9548a16 | 2005-09-30 08:07:53 +0000 | [diff] [blame] | 1794 | { |
| 1795 | Addr advised; |
| 1796 | SysRes sres; |
| 1797 | MapRequest mreq; |
| 1798 | Bool mreq_ok; |
| 1799 | |
| 1800 | if (arg2 == 0) { |
| 1801 | /* SuSV3 says: If len is zero, mmap() shall fail and no mapping |
| 1802 | shall be established. */ |
| 1803 | return VG_(mk_SysRes_Error)( VKI_EINVAL ); |
| 1804 | } |
| 1805 | |
| 1806 | if (!VG_IS_PAGE_ALIGNED(arg1)) { |
| 1807 | /* zap any misaligned addresses. */ |
| 1808 | /* SuSV3 says misaligned addresses only cause the MAP_FIXED case |
| 1809 | to fail. Here, we catch them all. */ |
| 1810 | return VG_(mk_SysRes_Error)( VKI_EINVAL ); |
| 1811 | } |
| 1812 | |
sewardj | 7e21df8 | 2005-09-30 10:48:27 +0000 | [diff] [blame] | 1813 | if (!VG_IS_PAGE_ALIGNED(arg6)) { |
| 1814 | /* zap any misaligned offsets. */ |
| 1815 | /* SuSV3 says: The off argument is constrained to be aligned and |
| 1816 | sized according to the value returned by sysconf() when |
| 1817 | passed _SC_PAGESIZE or _SC_PAGE_SIZE. */ |
| 1818 | return VG_(mk_SysRes_Error)( VKI_EINVAL ); |
| 1819 | } |
| 1820 | |
tom | 9548a16 | 2005-09-30 08:07:53 +0000 | [diff] [blame] | 1821 | /* Figure out what kind of allocation constraints there are |
| 1822 | (fixed/hint/any), and ask aspacem what we should do. */ |
| 1823 | mreq.start = arg1; |
| 1824 | mreq.len = arg2; |
| 1825 | if (arg4 & VKI_MAP_FIXED) { |
| 1826 | mreq.rkind = MFixed; |
| 1827 | } else |
| 1828 | if (arg1 != 0) { |
| 1829 | mreq.rkind = MHint; |
| 1830 | } else { |
| 1831 | mreq.rkind = MAny; |
| 1832 | } |
| 1833 | |
| 1834 | /* Enquire ... */ |
| 1835 | advised = VG_(am_get_advisory)( &mreq, True/*client*/, &mreq_ok ); |
| 1836 | if (!mreq_ok) { |
| 1837 | /* Our request was bounced, so we'd better fail. */ |
| 1838 | return VG_(mk_SysRes_Error)( VKI_EINVAL ); |
| 1839 | } |
| 1840 | |
| 1841 | /* Otherwise we're OK (so far). Install aspacem's choice of |
| 1842 | address, and let the mmap go through. */ |
| 1843 | sres = VG_(am_do_mmap_NO_NOTIFY)(advised, arg2, arg3, |
| 1844 | arg4 | VKI_MAP_FIXED, |
| 1845 | arg5, arg6); |
| 1846 | |
| 1847 | if (!sres.isError) { |
| 1848 | /* Notify aspacem and the tool. */ |
| 1849 | ML_(notify_aspacem_and_tool_of_mmap)( |
| 1850 | (Addr)sres.val, /* addr kernel actually assigned */ |
| 1851 | arg2, arg3, |
| 1852 | arg4, /* the original flags value */ |
| 1853 | arg5, arg6 |
| 1854 | ); |
| 1855 | /* Load symbols? */ |
sewardj | f72cced | 2005-11-08 00:45:47 +0000 | [diff] [blame] | 1856 | VG_(di_notify_mmap)( (Addr)sres.val, False/*allow_SkFileV*/ ); |
tom | 9548a16 | 2005-09-30 08:07:53 +0000 | [diff] [blame] | 1857 | } |
| 1858 | |
| 1859 | /* Stay sane */ |
| 1860 | if (!sres.isError && (arg4 & VKI_MAP_FIXED)) |
| 1861 | vg_assert(sres.val == arg1); |
| 1862 | |
| 1863 | return sres; |
| 1864 | } |
| 1865 | |
| 1866 | |
| 1867 | /* --------------------------------------------------------------------- |
nethercote | 4fa681f | 2004-11-08 17:51:39 +0000 | [diff] [blame] | 1868 | The Main Entertainment ... syscall wrappers |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1869 | ------------------------------------------------------------------ */ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1870 | |
nethercote | 4fa681f | 2004-11-08 17:51:39 +0000 | [diff] [blame] | 1871 | /* Note: the PRE() and POST() wrappers are for the actual functions |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1872 | implementing the system calls in the OS kernel. These mostly have |
nethercote | 4fa681f | 2004-11-08 17:51:39 +0000 | [diff] [blame] | 1873 | names like sys_write(); a few have names like old_mmap(). See the |
njn | af839f5 | 2005-06-23 03:27:57 +0000 | [diff] [blame] | 1874 | comment for ML_(syscall_table)[] for important info about the __NR_foo |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1875 | constants and their relationship to the sys_foo() functions. |
nethercote | 4fa681f | 2004-11-08 17:51:39 +0000 | [diff] [blame] | 1876 | |
nethercote | 92b2fd5 | 2004-11-16 16:15:41 +0000 | [diff] [blame] | 1877 | Some notes about names used for syscalls and args: |
| 1878 | - For the --trace-syscalls=yes output, we use the sys_foo() name to avoid |
| 1879 | ambiguity. |
| 1880 | |
| 1881 | - For error messages, we generally use a somewhat generic name |
| 1882 | for the syscall (eg. "write" rather than "sys_write"). This should be |
| 1883 | good enough for the average user to understand what is happening, |
| 1884 | without confusing them with names like "sys_write". |
| 1885 | |
| 1886 | - Also, for error messages the arg names are mostly taken from the man |
| 1887 | pages (even though many of those man pages are really for glibc |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1888 | functions of the same name), rather than from the OS kernel source, |
nethercote | 92b2fd5 | 2004-11-16 16:15:41 +0000 | [diff] [blame] | 1889 | for the same reason -- a user presented with a "bogus foo(bar)" arg |
| 1890 | will most likely look at the "foo" man page to see which is the "bar" |
| 1891 | arg. |
nethercote | 8b76fe5 | 2004-11-08 19:20:09 +0000 | [diff] [blame] | 1892 | |
nethercote | 9c311eb | 2004-11-12 18:20:12 +0000 | [diff] [blame] | 1893 | Note that we use our own vki_* types. The one exception is in |
| 1894 | PRE_REG_READn calls, where pointer types haven't been changed, because |
| 1895 | they don't need to be -- eg. for "foo*" to be used, the type foo need not |
| 1896 | be visible. |
| 1897 | |
nethercote | 4fa681f | 2004-11-08 17:51:39 +0000 | [diff] [blame] | 1898 | XXX: some of these are arch-specific, and should be factored out. |
| 1899 | */ |
| 1900 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1901 | #define PRE(name) DEFN_PRE_TEMPLATE(generic, name) |
| 1902 | #define POST(name) DEFN_POST_TEMPLATE(generic, name) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1903 | |
sewardj | e7aa4ae | 2005-06-09 12:43:42 +0000 | [diff] [blame] | 1904 | // Combine two 32-bit values into a 64-bit value |
| 1905 | #define LOHI64(lo,hi) ( (lo) | ((ULong)(hi) << 32) ) |
| 1906 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1907 | //zz //PRE(sys_exit_group, Special) |
| 1908 | //zz //{ |
| 1909 | //zz // VG_(core_panic)("syscall exit_group() not caught by the scheduler?!"); |
| 1910 | //zz //} |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 1911 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1912 | PRE(sys_exit) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1913 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1914 | ThreadState* tst; |
sewardj | a922b61 | 2005-03-11 02:47:32 +0000 | [diff] [blame] | 1915 | /* simple; just make this thread exit */ |
| 1916 | PRINT("exit( %d )", ARG1); |
| 1917 | PRE_REG_READ1(void, "exit", int, exitcode); |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1918 | tst = VG_(get_ThreadState)(tid); |
| 1919 | /* Set the thread's status to be exiting, then claim that the |
| 1920 | syscall succeeded. */ |
sewardj | a922b61 | 2005-03-11 02:47:32 +0000 | [diff] [blame] | 1921 | tst->exitreason = VgSrc_ExitSyscall; |
| 1922 | tst->os_state.exitcode = ARG1; |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1923 | SET_STATUS_Success(0); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1924 | } |
| 1925 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1926 | PRE(sys_ni_syscall) |
nethercote | eb1c7b7 | 2004-11-11 19:43:50 +0000 | [diff] [blame] | 1927 | { |
| 1928 | PRINT("non-existent syscall! (ni_syscall)"); |
| 1929 | PRE_REG_READ0(long, "ni_syscall"); |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 1930 | SET_STATUS_Failure( VKI_ENOSYS ); |
nethercote | eb1c7b7 | 2004-11-11 19:43:50 +0000 | [diff] [blame] | 1931 | } |
| 1932 | |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 1933 | PRE(sys_iopl) |
| 1934 | { |
| 1935 | PRINT("sys_iopl ( %d )", ARG1); |
| 1936 | PRE_REG_READ1(long, "iopl", unsigned long, level); |
| 1937 | } |
| 1938 | |
sewardj | e6d5e72 | 2005-06-10 10:27:55 +0000 | [diff] [blame] | 1939 | // XXX: this wrapper is only suitable for 32-bit platforms |
| 1940 | #if defined(VGP_x86_linux) |
| 1941 | PRE(sys_lookup_dcookie) |
| 1942 | { |
| 1943 | PRINT("sys_lookup_dcookie (0x%llx, %p, %d)", LOHI64(ARG1,ARG2), ARG3, ARG4); |
| 1944 | PRE_REG_READ4(long, "lookup_dcookie", |
| 1945 | vki_u32, cookie_low32, vki_u32, cookie_high32, |
| 1946 | char *, buf, vki_size_t, len); |
| 1947 | PRE_MEM_WRITE( "lookup_dcookie(buf)", ARG3, ARG4); |
| 1948 | } |
| 1949 | POST(sys_lookup_dcookie) |
| 1950 | { |
| 1951 | vg_assert(SUCCESS); |
| 1952 | if (ARG3 != (Addr)NULL) |
| 1953 | POST_MEM_WRITE( ARG3, RES); |
| 1954 | } |
| 1955 | #endif |
sewardj | 78b50e4 | 2005-06-08 01:47:28 +0000 | [diff] [blame] | 1956 | |
| 1957 | PRE(sys_fsync) |
| 1958 | { |
| 1959 | *flags |= SfMayBlock; |
| 1960 | PRINT("sys_fsync ( %d )", ARG1); |
| 1961 | PRE_REG_READ1(long, "fsync", unsigned int, fd); |
| 1962 | } |
| 1963 | |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 1964 | PRE(sys_fdatasync) |
| 1965 | { |
| 1966 | *flags |= SfMayBlock; |
| 1967 | PRINT("sys_fdatasync ( %d )", ARG1); |
| 1968 | PRE_REG_READ1(long, "fdatasync", unsigned int, fd); |
| 1969 | } |
| 1970 | |
| 1971 | PRE(sys_msync) |
| 1972 | { |
| 1973 | *flags |= SfMayBlock; |
| 1974 | PRINT("sys_msync ( %p, %llu, %d )", ARG1,(ULong)ARG2,ARG3); |
| 1975 | PRE_REG_READ3(long, "msync", |
| 1976 | unsigned long, start, vki_size_t, length, int, flags); |
| 1977 | PRE_MEM_READ( "msync(start)", ARG1, ARG2 ); |
| 1978 | } |
| 1979 | |
sewardj | e6d5e72 | 2005-06-10 10:27:55 +0000 | [diff] [blame] | 1980 | // Nb: getpmsg() and putpmsg() are special additional syscalls used in early |
| 1981 | // versions of LiS (Linux Streams). They are not part of the kernel. |
| 1982 | // Therefore, we have to provide this type ourself, rather than getting it |
| 1983 | // from the kernel sources. |
| 1984 | struct vki_pmsg_strbuf { |
| 1985 | int maxlen; /* no. of bytes in buffer */ |
| 1986 | int len; /* no. of bytes returned */ |
| 1987 | vki_caddr_t buf; /* pointer to data */ |
| 1988 | }; |
| 1989 | PRE(sys_getpmsg) |
| 1990 | { |
| 1991 | /* LiS getpmsg from http://www.gcom.com/home/linux/lis/ */ |
| 1992 | struct vki_pmsg_strbuf *ctrl; |
| 1993 | struct vki_pmsg_strbuf *data; |
| 1994 | *flags |= SfMayBlock; |
| 1995 | PRINT("sys_getpmsg ( %d, %p, %p, %p, %p )", ARG1,ARG2,ARG3,ARG4,ARG5); |
| 1996 | PRE_REG_READ5(int, "getpmsg", |
| 1997 | int, fd, struct strbuf *, ctrl, struct strbuf *, data, |
| 1998 | int *, bandp, int *, flagsp); |
| 1999 | ctrl = (struct vki_pmsg_strbuf *)ARG2; |
| 2000 | data = (struct vki_pmsg_strbuf *)ARG3; |
| 2001 | if (ctrl && ctrl->maxlen > 0) |
| 2002 | PRE_MEM_WRITE( "getpmsg(ctrl)", (Addr)ctrl->buf, ctrl->maxlen); |
| 2003 | if (data && data->maxlen > 0) |
| 2004 | PRE_MEM_WRITE( "getpmsg(data)", (Addr)data->buf, data->maxlen); |
| 2005 | if (ARG4) |
| 2006 | PRE_MEM_WRITE( "getpmsg(bandp)", (Addr)ARG4, sizeof(int)); |
| 2007 | if (ARG5) |
| 2008 | PRE_MEM_WRITE( "getpmsg(flagsp)", (Addr)ARG5, sizeof(int)); |
| 2009 | } |
| 2010 | POST(sys_getpmsg) |
| 2011 | { |
| 2012 | struct vki_pmsg_strbuf *ctrl; |
| 2013 | struct vki_pmsg_strbuf *data; |
| 2014 | vg_assert(SUCCESS); |
| 2015 | ctrl = (struct vki_pmsg_strbuf *)ARG2; |
| 2016 | data = (struct vki_pmsg_strbuf *)ARG3; |
| 2017 | if (RES == 0 && ctrl && ctrl->len > 0) { |
| 2018 | POST_MEM_WRITE( (Addr)ctrl->buf, ctrl->len); |
| 2019 | } |
| 2020 | if (RES == 0 && data && data->len > 0) { |
| 2021 | POST_MEM_WRITE( (Addr)data->buf, data->len); |
| 2022 | } |
| 2023 | } |
| 2024 | |
| 2025 | PRE(sys_putpmsg) |
| 2026 | { |
| 2027 | /* LiS putpmsg from http://www.gcom.com/home/linux/lis/ */ |
| 2028 | struct vki_pmsg_strbuf *ctrl; |
| 2029 | struct vki_pmsg_strbuf *data; |
| 2030 | *flags |= SfMayBlock; |
| 2031 | PRINT("sys_putpmsg ( %d, %p, %p, %d, %d )", ARG1,ARG2,ARG3,ARG4,ARG5); |
| 2032 | PRE_REG_READ5(int, "putpmsg", |
| 2033 | int, fd, struct strbuf *, ctrl, struct strbuf *, data, |
| 2034 | int, band, int, flags); |
| 2035 | ctrl = (struct vki_pmsg_strbuf *)ARG2; |
| 2036 | data = (struct vki_pmsg_strbuf *)ARG3; |
| 2037 | if (ctrl && ctrl->len > 0) |
| 2038 | PRE_MEM_READ( "putpmsg(ctrl)", (Addr)ctrl->buf, ctrl->len); |
| 2039 | if (data && data->len > 0) |
| 2040 | PRE_MEM_READ( "putpmsg(data)", (Addr)data->buf, data->len); |
| 2041 | } |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 2042 | |
| 2043 | PRE(sys_getitimer) |
| 2044 | { |
| 2045 | PRINT("sys_getitimer ( %d, %p )", ARG1, ARG2); |
| 2046 | PRE_REG_READ2(long, "getitimer", int, which, struct itimerval *, value); |
| 2047 | PRE_MEM_WRITE( "getitimer(value)", ARG2, sizeof(struct vki_itimerval) ); |
| 2048 | } |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 2049 | POST(sys_getitimer) |
| 2050 | { |
| 2051 | if (ARG2 != (Addr)NULL) { |
| 2052 | POST_MEM_WRITE(ARG2, sizeof(struct vki_itimerval)); |
| 2053 | } |
| 2054 | } |
| 2055 | |
| 2056 | PRE(sys_setitimer) |
| 2057 | { |
| 2058 | PRINT("sys_setitimer ( %d, %p, %p )", ARG1,ARG2,ARG3); |
| 2059 | PRE_REG_READ3(long, "setitimer", |
| 2060 | int, which, |
| 2061 | struct itimerval *, value, struct itimerval *, ovalue); |
| 2062 | if (ARG2 != (Addr)NULL) |
| 2063 | PRE_MEM_READ( "setitimer(value)", ARG2, sizeof(struct vki_itimerval) ); |
| 2064 | if (ARG3 != (Addr)NULL) |
| 2065 | PRE_MEM_WRITE( "setitimer(ovalue)", ARG3, sizeof(struct vki_itimerval)); |
| 2066 | } |
| 2067 | |
| 2068 | POST(sys_setitimer) |
| 2069 | { |
| 2070 | if (ARG3 != (Addr)NULL) { |
| 2071 | POST_MEM_WRITE(ARG3, sizeof(struct vki_itimerval)); |
| 2072 | } |
| 2073 | } |
| 2074 | |
| 2075 | PRE(sys_chroot) |
| 2076 | { |
| 2077 | PRINT("sys_chroot ( %p )", ARG1); |
| 2078 | PRE_REG_READ1(long, "chroot", const char *, path); |
| 2079 | PRE_MEM_RASCIIZ( "chroot(path)", ARG1 ); |
| 2080 | } |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2081 | |
| 2082 | PRE(sys_madvise) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2083 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2084 | *flags |= SfMayBlock; |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2085 | PRINT("sys_madvise ( %p, %llu, %d )", ARG1,(ULong)ARG2,ARG3); |
nethercote | ac866b9 | 2004-11-15 20:23:15 +0000 | [diff] [blame] | 2086 | PRE_REG_READ3(long, "madvise", |
| 2087 | unsigned long, start, vki_size_t, length, int, advice); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2088 | } |
| 2089 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2090 | PRE(sys_mremap) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2091 | { |
nethercote | 27ea8bc | 2004-07-10 17:21:14 +0000 | [diff] [blame] | 2092 | // Nb: this is different to the glibc version described in the man pages, |
| 2093 | // which lacks the fifth 'new_address' argument. |
nethercote | 06c7bd7 | 2004-11-14 19:11:56 +0000 | [diff] [blame] | 2094 | PRINT("sys_mremap ( %p, %llu, %d, 0x%x, %p )", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2095 | ARG1, (ULong)ARG2, ARG3, ARG4, ARG5); |
nethercote | 06c7bd7 | 2004-11-14 19:11:56 +0000 | [diff] [blame] | 2096 | PRE_REG_READ5(unsigned long, "mremap", |
| 2097 | unsigned long, old_addr, unsigned long, old_size, |
| 2098 | unsigned long, new_size, unsigned long, flags, |
| 2099 | unsigned long, new_addr); |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2100 | SET_STATUS_from_SysRes( |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 2101 | do_mremap((Addr)ARG1, ARG2, (Addr)ARG5, ARG3, ARG4, tid) |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2102 | ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2103 | } |
| 2104 | |
sewardj | 8c9ea4e | 2005-06-08 10:46:56 +0000 | [diff] [blame] | 2105 | PRE(sys_nice) |
| 2106 | { |
| 2107 | PRINT("sys_nice ( %d )", ARG1); |
| 2108 | PRE_REG_READ1(long, "nice", int, inc); |
| 2109 | } |
sewardj | 78b50e4 | 2005-06-08 01:47:28 +0000 | [diff] [blame] | 2110 | |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 2111 | PRE(sys_mlock) |
| 2112 | { |
| 2113 | *flags |= SfMayBlock; |
| 2114 | PRINT("sys_mlock ( %p, %llu )", ARG1, (ULong)ARG2); |
| 2115 | PRE_REG_READ2(long, "mlock", unsigned long, addr, vki_size_t, len); |
| 2116 | } |
| 2117 | |
| 2118 | PRE(sys_munlock) |
| 2119 | { |
| 2120 | *flags |= SfMayBlock; |
| 2121 | PRINT("sys_munlock ( %p, %llu )", ARG1, (ULong)ARG2); |
| 2122 | PRE_REG_READ2(long, "munlock", unsigned long, addr, vki_size_t, len); |
| 2123 | } |
| 2124 | |
| 2125 | PRE(sys_mlockall) |
| 2126 | { |
| 2127 | *flags |= SfMayBlock; |
| 2128 | PRINT("sys_mlockall ( %x )", ARG1); |
| 2129 | PRE_REG_READ1(long, "mlockall", int, flags); |
| 2130 | } |
| 2131 | |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 2132 | PRE(sys_setpriority) |
| 2133 | { |
| 2134 | PRINT("sys_setpriority ( %d, %d, %d )", ARG1, ARG2, ARG3); |
| 2135 | PRE_REG_READ3(long, "setpriority", int, which, int, who, int, prio); |
| 2136 | } |
| 2137 | |
| 2138 | PRE(sys_getpriority) |
| 2139 | { |
| 2140 | PRINT("sys_getpriority ( %d, %d )", ARG1, ARG2); |
| 2141 | PRE_REG_READ2(long, "getpriority", int, which, int, who); |
| 2142 | } |
| 2143 | |
tom | 4f08a65 | 2005-07-05 23:25:17 +0000 | [diff] [blame] | 2144 | // The actual kernel definition of this routine takes a |
| 2145 | // single 64 bit offset argument. This version is for 32 bit |
| 2146 | // platforms only and treats the offset as two values - the |
| 2147 | // kernel relies on stack based argument passing conventions |
| 2148 | // to merge the two together. |
sewardj | e6d5e72 | 2005-06-10 10:27:55 +0000 | [diff] [blame] | 2149 | PRE(sys_pwrite64) |
| 2150 | { |
| 2151 | *flags |= SfMayBlock; |
| 2152 | PRINT("sys_pwrite64 ( %d, %p, %llu, %lld )", |
| 2153 | ARG1, ARG2, (ULong)ARG3, LOHI64(ARG4,ARG5)); |
| 2154 | PRE_REG_READ5(ssize_t, "pwrite64", |
| 2155 | unsigned int, fd, const char *, buf, vki_size_t, count, |
| 2156 | vki_u32, offset_low32, vki_u32, offset_high32); |
| 2157 | PRE_MEM_READ( "pwrite64(buf)", ARG2, ARG3 ); |
| 2158 | } |
sewardj | 8c9ea4e | 2005-06-08 10:46:56 +0000 | [diff] [blame] | 2159 | |
| 2160 | PRE(sys_sync) |
| 2161 | { |
| 2162 | *flags |= SfMayBlock; |
| 2163 | PRINT("sys_sync ( )"); |
| 2164 | PRE_REG_READ0(long, "sync"); |
| 2165 | } |
| 2166 | |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 2167 | PRE(sys_fstatfs) |
| 2168 | { |
| 2169 | PRINT("sys_fstatfs ( %d, %p )",ARG1,ARG2); |
| 2170 | PRE_REG_READ2(long, "fstatfs", |
| 2171 | unsigned int, fd, struct statfs *, buf); |
| 2172 | PRE_MEM_WRITE( "fstatfs(buf)", ARG2, sizeof(struct vki_statfs) ); |
| 2173 | } |
| 2174 | |
| 2175 | POST(sys_fstatfs) |
| 2176 | { |
| 2177 | POST_MEM_WRITE( ARG2, sizeof(struct vki_statfs) ); |
| 2178 | } |
| 2179 | |
sewardj | e6d5e72 | 2005-06-10 10:27:55 +0000 | [diff] [blame] | 2180 | PRE(sys_fstatfs64) |
| 2181 | { |
| 2182 | PRINT("sys_fstatfs64 ( %d, %llu, %p )",ARG1,(ULong)ARG2,ARG3); |
| 2183 | PRE_REG_READ3(long, "fstatfs64", |
| 2184 | unsigned int, fd, vki_size_t, size, struct statfs64 *, buf); |
| 2185 | PRE_MEM_WRITE( "fstatfs64(buf)", ARG3, ARG2 ); |
| 2186 | } |
| 2187 | POST(sys_fstatfs64) |
| 2188 | { |
| 2189 | POST_MEM_WRITE( ARG3, ARG2 ); |
| 2190 | } |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 2191 | |
| 2192 | PRE(sys_getsid) |
| 2193 | { |
| 2194 | PRINT("sys_getsid ( %d )", ARG1); |
| 2195 | PRE_REG_READ1(long, "getsid", vki_pid_t, pid); |
| 2196 | } |
| 2197 | |
tom | 4f08a65 | 2005-07-05 23:25:17 +0000 | [diff] [blame] | 2198 | // The actual kernel definition of this routine takes a |
| 2199 | // single 64 bit offset argument. This version is for 32 bit |
| 2200 | // platforms only and treats the offset as two values - the |
| 2201 | // kernel relies on stack based argument passing conventions |
| 2202 | // to merge the two together. |
sewardj | e7aa4ae | 2005-06-09 12:43:42 +0000 | [diff] [blame] | 2203 | PRE(sys_pread64) |
| 2204 | { |
| 2205 | *flags |= SfMayBlock; |
| 2206 | PRINT("sys_pread64 ( %d, %p, %llu, %lld )", |
| 2207 | ARG1, ARG2, (ULong)ARG3, LOHI64(ARG4,ARG5)); |
| 2208 | PRE_REG_READ5(ssize_t, "pread64", |
| 2209 | unsigned int, fd, char *, buf, vki_size_t, count, |
| 2210 | vki_u32, offset_low32, vki_u32, offset_high32); |
| 2211 | PRE_MEM_WRITE( "pread64(buf)", ARG2, ARG3 ); |
| 2212 | } |
| 2213 | POST(sys_pread64) |
| 2214 | { |
| 2215 | vg_assert(SUCCESS); |
| 2216 | if (RES > 0) { |
| 2217 | POST_MEM_WRITE( ARG2, RES ); |
| 2218 | } |
| 2219 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2220 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2221 | PRE(sys_mknod) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2222 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2223 | PRINT("sys_mknod ( %p, 0x%x, 0x%x )", ARG1, ARG2, ARG3 ); |
nethercote | c6851dd | 2004-11-11 18:00:47 +0000 | [diff] [blame] | 2224 | PRE_REG_READ3(long, "mknod", |
| 2225 | const char *, pathname, int, mode, unsigned, dev); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2226 | PRE_MEM_RASCIIZ( "mknod(pathname)", ARG1 ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2227 | } |
| 2228 | |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 2229 | PRE(sys_flock) |
| 2230 | { |
| 2231 | *flags |= SfMayBlock; |
| 2232 | PRINT("sys_flock ( %d, %d )", ARG1, ARG2 ); |
| 2233 | PRE_REG_READ2(long, "flock", unsigned int, fd, unsigned int, operation); |
| 2234 | } |
| 2235 | |
| 2236 | /* This surely isn't remotely generic -- move to linux-specifics? */ |
| 2237 | PRE(sys_init_module) |
| 2238 | { |
| 2239 | *flags |= SfMayBlock; |
| 2240 | PRINT("sys_init_module ( %p, %llu, %p )", ARG1, (ULong)ARG2, ARG3 ); |
| 2241 | PRE_REG_READ3(long, "init_module", |
| 2242 | void *, umod, unsigned long, len, const char *, uargs); |
| 2243 | PRE_MEM_READ( "init_module(umod)", ARG1, ARG2 ); |
| 2244 | PRE_MEM_RASCIIZ( "init_module(uargs)", ARG3 ); |
| 2245 | } |
| 2246 | |
nethercote | a81e916 | 2004-02-12 14:34:14 +0000 | [diff] [blame] | 2247 | // Pre_read a char** argument. |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2248 | static void pre_argv_envp(Addr a, ThreadId tid, Char* s1, Char* s2) |
nethercote | a81e916 | 2004-02-12 14:34:14 +0000 | [diff] [blame] | 2249 | { |
| 2250 | while (True) { |
njn | b249fd7 | 2004-11-29 14:24:57 +0000 | [diff] [blame] | 2251 | Addr a_deref; |
| 2252 | Addr* a_p = (Addr*)a; |
| 2253 | PRE_MEM_READ( s1, (Addr)a_p, sizeof(Addr) ); |
| 2254 | a_deref = *a_p; |
nethercote | a81e916 | 2004-02-12 14:34:14 +0000 | [diff] [blame] | 2255 | if (0 == a_deref) |
| 2256 | break; |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 2257 | PRE_MEM_RASCIIZ( s2, a_deref ); |
nethercote | a81e916 | 2004-02-12 14:34:14 +0000 | [diff] [blame] | 2258 | a += sizeof(char*); |
| 2259 | } |
| 2260 | } |
| 2261 | |
njn | 7b85dd5 | 2005-06-12 17:26:29 +0000 | [diff] [blame] | 2262 | static Bool i_am_the_only_thread ( void ) |
| 2263 | { |
| 2264 | Int c = VG_(count_living_threads)(); |
| 2265 | vg_assert(c >= 1); /* stay sane */ |
| 2266 | return c == 1; |
| 2267 | } |
| 2268 | |
| 2269 | /* Wait until all other threads disappear. */ |
| 2270 | void VG_(reap_threads)(ThreadId self) |
| 2271 | { |
| 2272 | while (!i_am_the_only_thread()) { |
| 2273 | /* Let other thread(s) run */ |
| 2274 | VG_(vg_yield)(); |
| 2275 | VG_(poll_signals)(self); |
| 2276 | } |
| 2277 | vg_assert(i_am_the_only_thread()); |
| 2278 | } |
| 2279 | |
nethercote | 7310afb | 2004-11-12 15:41:06 +0000 | [diff] [blame] | 2280 | // XXX: prototype here seemingly doesn't match the prototype for i386-linux, |
| 2281 | // but it seems to work nonetheless... |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2282 | PRE(sys_execve) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2283 | { |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 2284 | Char* path = NULL; /* path to executable */ |
tom | 13696cc | 2005-07-18 23:23:03 +0000 | [diff] [blame] | 2285 | Char** envp = NULL; |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 2286 | Char** argv = NULL; |
| 2287 | Char** arg2copy; |
| 2288 | Char* launcher_basename = NULL; |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2289 | ThreadState* tst; |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 2290 | Int i, j, tot_args; |
njn | 7375061 | 2005-10-14 03:11:30 +0000 | [diff] [blame] | 2291 | SysRes res; |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2292 | |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2293 | PRINT("sys_execve ( %p(%s), %p, %p )", ARG1, ARG1, ARG2, ARG3); |
nethercote | 7310afb | 2004-11-12 15:41:06 +0000 | [diff] [blame] | 2294 | PRE_REG_READ3(vki_off_t, "execve", |
| 2295 | char *, filename, char **, argv, char **, envp); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2296 | PRE_MEM_RASCIIZ( "execve(filename)", ARG1 ); |
| 2297 | if (ARG2 != 0) |
| 2298 | pre_argv_envp( ARG2, tid, "execve(argv)", "execve(argv[i])" ); |
| 2299 | if (ARG3 != 0) |
| 2300 | pre_argv_envp( ARG3, tid, "execve(envp)", "execve(envp[i])" ); |
fitzhardinge | e1c06d8 | 2003-10-30 07:21:44 +0000 | [diff] [blame] | 2301 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2302 | vg_assert(VG_(is_valid_tid)(tid)); |
| 2303 | tst = VG_(get_ThreadState)(tid); |
| 2304 | |
fitzhardinge | e1c06d8 | 2003-10-30 07:21:44 +0000 | [diff] [blame] | 2305 | /* Erk. If the exec fails, then the following will have made a |
| 2306 | mess of things which makes it hard for us to continue. The |
| 2307 | right thing to do is piece everything together again in |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 2308 | POST(execve), but that's close to impossible. Instead, we make |
| 2309 | an effort to check that the execve will work before actually |
| 2310 | doing it. */ |
fitzhardinge | e1c06d8 | 2003-10-30 07:21:44 +0000 | [diff] [blame] | 2311 | |
njn | 7375061 | 2005-10-14 03:11:30 +0000 | [diff] [blame] | 2312 | /* Check that the name at least begins in client-accessible storage. */ |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 2313 | if (!VG_(am_is_valid_for_client)( ARG1, 1, VKI_PROT_READ )) { |
| 2314 | SET_STATUS_Failure( VKI_EFAULT ); |
| 2315 | return; |
| 2316 | } |
| 2317 | |
njn | 7375061 | 2005-10-14 03:11:30 +0000 | [diff] [blame] | 2318 | // Do the important checks: it is a file, is executable, permissions are |
| 2319 | // ok, etc. |
| 2320 | res = VG_(pre_exec_check)((const Char*)ARG1, NULL); |
| 2321 | if (res.isError) { |
| 2322 | SET_STATUS_Failure( res.val ); |
| 2323 | return; |
| 2324 | } |
| 2325 | |
sewardj | 98e68a4 | 2005-10-04 23:07:33 +0000 | [diff] [blame] | 2326 | /* If we're tracing the child, and the launcher name looks bogus |
| 2327 | (possibly because launcher.c couldn't figure it out, see |
| 2328 | comments therein) then we have no option but to fail. */ |
| 2329 | if (VG_(clo_trace_children) |
| 2330 | && (VG_(name_of_launcher) == NULL |
| 2331 | || VG_(name_of_launcher)[0] != '/')) { |
| 2332 | SET_STATUS_Failure( VKI_ECHILD ); /* "No child processes" */ |
| 2333 | return; |
| 2334 | } |
| 2335 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 2336 | /* After this point, we can't recover if the execve fails. */ |
| 2337 | VG_(debugLog)(1, "syswrap", "Exec of %s\n", (Char*)ARG1); |
| 2338 | |
fitzhardinge | e1c06d8 | 2003-10-30 07:21:44 +0000 | [diff] [blame] | 2339 | /* Resistance is futile. Nuke all other threads. POSIX mandates |
| 2340 | this. (Really, nuke them all, since the new process will make |
| 2341 | its own new thread.) */ |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2342 | VG_(nuke_all_threads_except)( tid, VgSrc_ExitSyscall ); |
njn | 7b85dd5 | 2005-06-12 17:26:29 +0000 | [diff] [blame] | 2343 | VG_(reap_threads)(tid); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2344 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 2345 | // Set up the child's exe path. |
| 2346 | // |
| 2347 | if (VG_(clo_trace_children)) { |
| 2348 | |
| 2349 | // We want to exec the launcher. Get its pre-remembered path. |
| 2350 | path = VG_(name_of_launcher); |
| 2351 | // VG_(name_of_launcher) should have been acquired by m_main at |
| 2352 | // startup. |
| 2353 | vg_assert(path); |
| 2354 | |
| 2355 | launcher_basename = VG_(strrchr)(path, '/'); |
| 2356 | if (launcher_basename == NULL || launcher_basename[1] == 0) { |
| 2357 | launcher_basename = path; // hmm, tres dubious |
| 2358 | } else { |
| 2359 | launcher_basename++; |
| 2360 | } |
| 2361 | |
| 2362 | } else { |
| 2363 | path = (Char*)ARG1; |
| 2364 | } |
| 2365 | |
| 2366 | // Set up the child's environment. |
| 2367 | // |
tom | 4e13695 | 2005-07-18 14:02:11 +0000 | [diff] [blame] | 2368 | // Remove the valgrind-specific stuff from the environment so the |
njn | 7b4e5ba | 2005-08-25 22:53:57 +0000 | [diff] [blame] | 2369 | // child doesn't get vgpreload_core.so, vgpreload_<tool>.so, etc. |
tom | 4e13695 | 2005-07-18 14:02:11 +0000 | [diff] [blame] | 2370 | // This is done unconditionally, since if we are tracing the child, |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 2371 | // the child valgrind will set up the appropriate client environment. |
njn | 1110699 | 2005-07-18 14:10:12 +0000 | [diff] [blame] | 2372 | // Nb: we make a copy of the environment before trying to mangle it |
| 2373 | // as it might be in read-only memory (this was bug #101881). |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 2374 | // |
| 2375 | // Then, if tracing the child, set VALGRIND_LIB for it. |
| 2376 | // |
| 2377 | if (ARG3 == 0) { |
| 2378 | envp = NULL; |
| 2379 | } else { |
tom | 13696cc | 2005-07-18 23:23:03 +0000 | [diff] [blame] | 2380 | envp = VG_(env_clone)( (Char**)ARG3 ); |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 2381 | if (envp == NULL) goto hosed; |
tom | 4e13695 | 2005-07-18 14:02:11 +0000 | [diff] [blame] | 2382 | VG_(env_remove_valgrind_env_stuff)( envp ); |
fitzhardinge | 5408c06 | 2004-01-04 23:52:59 +0000 | [diff] [blame] | 2383 | } |
| 2384 | |
| 2385 | if (VG_(clo_trace_children)) { |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 2386 | // Set VALGRIND_LIB in ARG3 (the environment) |
| 2387 | VG_(env_setenv)( &envp, VALGRIND_LIB, VG_(libdir)); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 2388 | } |
| 2389 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 2390 | // Set up the child's args. If not tracing it, they are |
| 2391 | // simply ARG2. Otherwise, they are |
| 2392 | // |
| 2393 | // [launcher_basename] ++ VG_(args_for_valgrind) ++ [ARG1] ++ ARG2[1..] |
| 2394 | // |
| 2395 | // except that the first VG_(args_for_valgrind_noexecpass) args |
| 2396 | // are omitted. |
| 2397 | // |
| 2398 | if (!VG_(clo_trace_children)) { |
| 2399 | argv = (Char**)ARG2; |
| 2400 | } else { |
| 2401 | vg_assert( VG_(args_for_valgrind_noexecpass) >= 0 ); |
| 2402 | vg_assert( VG_(args_for_valgrind_noexecpass) |
| 2403 | <= VG_(args_for_valgrind).used ); |
| 2404 | /* how many args in total will there be? */ |
| 2405 | // launcher basename |
| 2406 | tot_args = 1; |
| 2407 | // V's args |
| 2408 | tot_args += VG_(args_for_valgrind).used; |
| 2409 | tot_args -= VG_(args_for_valgrind_noexecpass); |
| 2410 | // name of client exe |
| 2411 | tot_args++; |
| 2412 | // args for client exe, skipping [0] |
| 2413 | arg2copy = (Char**)ARG2; |
| 2414 | if (arg2copy && arg2copy[0]) { |
| 2415 | for (i = 1; arg2copy[i]; i++) |
| 2416 | tot_args++; |
| 2417 | } |
| 2418 | // allocate |
| 2419 | argv = VG_(malloc)( (tot_args+1) * sizeof(HChar*) ); |
| 2420 | if (argv == 0) goto hosed; |
| 2421 | // copy |
| 2422 | j = 0; |
| 2423 | argv[j++] = launcher_basename; |
| 2424 | for (i = 0; i < VG_(args_for_valgrind).used; i++) { |
| 2425 | if (i < VG_(args_for_valgrind_noexecpass)) |
| 2426 | continue; |
| 2427 | argv[j++] = VG_(args_for_valgrind).strs[i]; |
| 2428 | } |
| 2429 | argv[j++] = (Char*)ARG1; |
| 2430 | if (arg2copy && arg2copy[0]) |
| 2431 | for (i = 1; arg2copy[i]; i++) |
| 2432 | argv[j++] = arg2copy[i]; |
| 2433 | argv[j++] = NULL; |
| 2434 | // check |
| 2435 | vg_assert(j == tot_args+1); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2436 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2437 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2438 | /* restore the DATA rlimit for the child */ |
| 2439 | VG_(setrlimit)(VKI_RLIMIT_DATA, &VG_(client_rlimit_data)); |
| 2440 | |
| 2441 | /* |
| 2442 | Set the signal state up for exec. |
| 2443 | |
| 2444 | We need to set the real signal state to make sure the exec'd |
| 2445 | process gets SIG_IGN properly. |
| 2446 | |
| 2447 | Also set our real sigmask to match the client's sigmask so that |
| 2448 | the exec'd child will get the right mask. First we need to |
| 2449 | clear out any pending signals so they they don't get delivered, |
| 2450 | which would confuse things. |
fitzhardinge | f0dd7e1 | 2004-01-16 02:17:30 +0000 | [diff] [blame] | 2451 | |
| 2452 | XXX This is a bug - the signals should remain pending, and be |
| 2453 | delivered to the new process after exec. There's also a |
| 2454 | race-condition, since if someone delivers us a signal between |
| 2455 | the sigprocmask and the execve, we'll still get the signal. Oh |
| 2456 | well. |
| 2457 | */ |
| 2458 | { |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 2459 | vki_sigset_t allsigs; |
| 2460 | vki_siginfo_t info; |
fitzhardinge | f0dd7e1 | 2004-01-16 02:17:30 +0000 | [diff] [blame] | 2461 | static const struct vki_timespec zero = { 0, 0 }; |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2462 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 2463 | for (i = 1; i < VG_(max_signal); i++) { |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2464 | struct vki_sigaction sa; |
| 2465 | VG_(do_sys_sigaction)(i, NULL, &sa); |
| 2466 | if (sa.ksa_handler == VKI_SIG_IGN) |
| 2467 | VG_(sigaction)(i, &sa, NULL); |
| 2468 | else { |
| 2469 | sa.ksa_handler = VKI_SIG_DFL; |
| 2470 | VG_(sigaction)(i, &sa, NULL); |
| 2471 | } |
| 2472 | } |
| 2473 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 2474 | VG_(sigfillset)(&allsigs); |
| 2475 | while(VG_(sigtimedwait)(&allsigs, &info, &zero) > 0) |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2476 | ; |
fitzhardinge | f0dd7e1 | 2004-01-16 02:17:30 +0000 | [diff] [blame] | 2477 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 2478 | VG_(sigprocmask)(VKI_SIG_SETMASK, &tst->sig_mask, NULL); |
fitzhardinge | f0dd7e1 | 2004-01-16 02:17:30 +0000 | [diff] [blame] | 2479 | } |
| 2480 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 2481 | if (0) { |
| 2482 | Char **cpp; |
| 2483 | VG_(printf)("exec: %s\n", path); |
| 2484 | for (cpp = argv; cpp && *cpp; cpp++) |
| 2485 | VG_(printf)("argv: %s\n", *cpp); |
| 2486 | if (0) |
| 2487 | for (cpp = envp; cpp && *cpp; cpp++) |
| 2488 | VG_(printf)("env: %s\n", *cpp); |
| 2489 | } |
| 2490 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2491 | SET_STATUS_from_SysRes( |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 2492 | VG_(do_syscall3)(__NR_execve, (UWord)path, (UWord)argv, (UWord)envp) |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2493 | ); |
fitzhardinge | b50068f | 2004-02-24 23:42:55 +0000 | [diff] [blame] | 2494 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 2495 | /* If we got here, then the execve failed. We've already made way |
| 2496 | too much of a mess to continue, so we have to abort. */ |
| 2497 | hosed: |
tom | dc294c3 | 2005-08-16 10:19:58 +0000 | [diff] [blame] | 2498 | vg_assert(FAILURE); |
nethercote | e70bd7d | 2004-08-18 14:37:17 +0000 | [diff] [blame] | 2499 | VG_(message)(Vg_UserMsg, "execve(%p(%s), %p, %p) failed, errno %d", |
tom | dc294c3 | 2005-08-16 10:19:58 +0000 | [diff] [blame] | 2500 | ARG1, ARG1, ARG2, ARG3, RES_unchecked); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2501 | VG_(message)(Vg_UserMsg, "EXEC FAILED: I can't recover from " |
| 2502 | "execve() failing, so I'm dying."); |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2503 | VG_(message)(Vg_UserMsg, "Add more stringent tests in PRE(sys_execve), " |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2504 | "or work out how to recover."); |
| 2505 | VG_(exit)(101); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2506 | } |
| 2507 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2508 | PRE(sys_access) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2509 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2510 | PRINT("sys_access ( %p(%s), %d )", ARG1,ARG1,ARG2); |
nethercote | 9a3beb9 | 2004-11-12 17:07:26 +0000 | [diff] [blame] | 2511 | PRE_REG_READ2(long, "access", const char *, pathname, int, mode); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2512 | PRE_MEM_RASCIIZ( "access(pathname)", ARG1 ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2513 | } |
| 2514 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2515 | PRE(sys_alarm) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2516 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2517 | PRINT("sys_alarm ( %d )", ARG1); |
nethercote | 9a3beb9 | 2004-11-12 17:07:26 +0000 | [diff] [blame] | 2518 | PRE_REG_READ1(unsigned long, "alarm", unsigned int, seconds); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2519 | } |
| 2520 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2521 | PRE(sys_brk) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2522 | { |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 2523 | Addr brk_limit = VG_(brk_limit); |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2524 | Addr brk_new; |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 2525 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2526 | /* libc says: int brk(void *end_data_segment); |
| 2527 | kernel says: void* brk(void* end_data_segment); (more or less) |
| 2528 | |
| 2529 | libc returns 0 on success, and -1 (and sets errno) on failure. |
| 2530 | Nb: if you ask to shrink the dataseg end below what it |
| 2531 | currently is, that always succeeds, even if the dataseg end |
| 2532 | doesn't actually change (eg. brk(0)). Unless it seg faults. |
| 2533 | |
| 2534 | Kernel returns the new dataseg end. If the brk() failed, this |
| 2535 | will be unchanged from the old one. That's why calling (kernel) |
| 2536 | brk(0) gives the current dataseg end (libc brk() just returns |
| 2537 | zero in that case). |
| 2538 | |
| 2539 | Both will seg fault if you shrink it back into a text segment. |
| 2540 | */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2541 | PRINT("sys_brk ( %p )", ARG1); |
nethercote | 9c311eb | 2004-11-12 18:20:12 +0000 | [diff] [blame] | 2542 | PRE_REG_READ1(unsigned long, "brk", unsigned long, end_data_segment); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2543 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2544 | brk_new = do_brk(ARG1); |
| 2545 | SET_STATUS_Success( brk_new ); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 2546 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2547 | if (brk_new == ARG1) { |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2548 | /* brk() succeeded */ |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2549 | if (brk_new < brk_limit) { |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2550 | /* successfully shrunk the data segment. */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2551 | VG_TRACK( die_mem_brk, (Addr)ARG1, |
| 2552 | brk_limit-ARG1 ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2553 | } else |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2554 | if (brk_new > brk_limit) { |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2555 | /* successfully grew the data segment */ |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 2556 | VG_TRACK( new_mem_brk, brk_limit, |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2557 | ARG1-brk_limit ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2558 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2559 | } else { |
| 2560 | /* brk() failed */ |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2561 | vg_assert(brk_limit == brk_new); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2562 | } |
| 2563 | } |
| 2564 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2565 | PRE(sys_chdir) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2566 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2567 | PRINT("sys_chdir ( %p )", ARG1); |
nethercote | c6851dd | 2004-11-11 18:00:47 +0000 | [diff] [blame] | 2568 | PRE_REG_READ1(long, "chdir", const char *, path); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2569 | PRE_MEM_RASCIIZ( "chdir(path)", ARG1 ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2570 | } |
| 2571 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2572 | PRE(sys_chmod) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2573 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2574 | PRINT("sys_chmod ( %p, %d )", ARG1,ARG2); |
nethercote | c6851dd | 2004-11-11 18:00:47 +0000 | [diff] [blame] | 2575 | PRE_REG_READ2(long, "chmod", const char *, path, vki_mode_t, mode); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2576 | PRE_MEM_RASCIIZ( "chmod(path)", ARG1 ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2577 | } |
| 2578 | |
sewardj | e6d5e72 | 2005-06-10 10:27:55 +0000 | [diff] [blame] | 2579 | PRE(sys_chown) |
| 2580 | { |
sewardj | e6d5e72 | 2005-06-10 10:27:55 +0000 | [diff] [blame] | 2581 | PRINT("sys_chown ( %p, 0x%x, 0x%x )", ARG1,ARG2,ARG3); |
| 2582 | PRE_REG_READ3(long, "chown", |
| 2583 | const char *, path, vki_uid_t, owner, vki_gid_t, group); |
| 2584 | PRE_MEM_RASCIIZ( "chown(path)", ARG1 ); |
| 2585 | } |
| 2586 | |
| 2587 | PRE(sys_lchown) |
| 2588 | { |
| 2589 | PRINT("sys_lchown ( %p, 0x%x, 0x%x )", ARG1,ARG2,ARG3); |
| 2590 | PRE_REG_READ3(long, "lchown", |
| 2591 | const char *, path, vki_uid_t, owner, vki_gid_t, group); |
| 2592 | PRE_MEM_RASCIIZ( "lchown(path)", ARG1 ); |
| 2593 | } |
nethercote | 2e1c37d | 2004-11-13 13:57:12 +0000 | [diff] [blame] | 2594 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2595 | PRE(sys_close) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2596 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2597 | PRINT("sys_close ( %d )", ARG1); |
nethercote | c6851dd | 2004-11-11 18:00:47 +0000 | [diff] [blame] | 2598 | PRE_REG_READ1(long, "close", unsigned int, fd); |
| 2599 | |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 2600 | /* Detect and negate attempts by the client to close Valgrind's log fd */ |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 2601 | if (!ML_(fd_allowed)(ARG1, "close", tid, False)) |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2602 | SET_STATUS_Failure( VKI_EBADF ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2603 | } |
| 2604 | |
nethercote | 85a456f | 2004-11-16 17:31:56 +0000 | [diff] [blame] | 2605 | POST(sys_close) |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 2606 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2607 | if (VG_(clo_track_fds)) record_fd_close(tid, ARG1); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 2608 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2609 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2610 | PRE(sys_dup) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2611 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2612 | PRINT("sys_dup ( %d )", ARG1); |
nethercote | 9a3beb9 | 2004-11-12 17:07:26 +0000 | [diff] [blame] | 2613 | PRE_REG_READ1(long, "dup", unsigned int, oldfd); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2614 | } |
| 2615 | |
nethercote | 85a456f | 2004-11-16 17:31:56 +0000 | [diff] [blame] | 2616 | POST(sys_dup) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2617 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2618 | vg_assert(SUCCESS); |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 2619 | if (!ML_(fd_allowed)(RES, "dup", tid, True)) { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2620 | VG_(close)(RES); |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2621 | SET_STATUS_Failure( VKI_EMFILE ); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 2622 | } else { |
nethercote | 9a3beb9 | 2004-11-12 17:07:26 +0000 | [diff] [blame] | 2623 | if (VG_(clo_track_fds)) |
njn | f845f8f | 2005-06-23 02:26:47 +0000 | [diff] [blame] | 2624 | record_fd_open_named(tid, RES); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2625 | } |
| 2626 | } |
| 2627 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2628 | PRE(sys_dup2) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2629 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2630 | PRINT("sys_dup2 ( %d, %d )", ARG1,ARG2); |
nethercote | 71f05f3 | 2004-11-12 18:49:27 +0000 | [diff] [blame] | 2631 | PRE_REG_READ2(long, "dup2", unsigned int, oldfd, unsigned int, newfd); |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 2632 | if (!ML_(fd_allowed)(ARG2, "dup2", tid, True)) |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2633 | SET_STATUS_Failure( VKI_EBADF ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2634 | } |
| 2635 | |
nethercote | 85a456f | 2004-11-16 17:31:56 +0000 | [diff] [blame] | 2636 | POST(sys_dup2) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2637 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2638 | vg_assert(SUCCESS); |
nethercote | 71f05f3 | 2004-11-12 18:49:27 +0000 | [diff] [blame] | 2639 | if (VG_(clo_track_fds)) |
njn | f845f8f | 2005-06-23 02:26:47 +0000 | [diff] [blame] | 2640 | record_fd_open_named(tid, RES); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2641 | } |
| 2642 | |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 2643 | PRE(sys_fchdir) |
| 2644 | { |
| 2645 | PRINT("sys_fchdir ( %d )", ARG1); |
| 2646 | PRE_REG_READ1(long, "fchdir", unsigned int, fd); |
| 2647 | } |
| 2648 | |
sewardj | e6d5e72 | 2005-06-10 10:27:55 +0000 | [diff] [blame] | 2649 | PRE(sys_fchown) |
| 2650 | { |
| 2651 | PRINT("sys_fchown ( %d, %d, %d )", ARG1,ARG2,ARG3); |
| 2652 | PRE_REG_READ3(long, "fchown", |
| 2653 | unsigned int, fd, vki_uid_t, owner, vki_gid_t, group); |
| 2654 | } |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 2655 | |
| 2656 | PRE(sys_fchmod) |
| 2657 | { |
| 2658 | PRINT("sys_fchmod ( %d, %d )", ARG1,ARG2); |
| 2659 | PRE_REG_READ2(long, "fchmod", unsigned int, fildes, vki_mode_t, mode); |
| 2660 | } |
| 2661 | |
| 2662 | PRE(sys_fcntl) |
| 2663 | { |
| 2664 | switch (ARG2) { |
| 2665 | // These ones ignore ARG3. |
| 2666 | case VKI_F_GETFD: |
| 2667 | case VKI_F_GETFL: |
| 2668 | case VKI_F_GETOWN: |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 2669 | case VKI_F_GETSIG: |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 2670 | case VKI_F_GETLEASE: |
| 2671 | PRINT("sys_fcntl ( %d, %d )", ARG1,ARG2); |
| 2672 | PRE_REG_READ2(long, "fcntl", unsigned int, fd, unsigned int, cmd); |
| 2673 | break; |
| 2674 | |
| 2675 | // These ones use ARG3 as "arg". |
| 2676 | case VKI_F_DUPFD: |
| 2677 | case VKI_F_SETFD: |
| 2678 | case VKI_F_SETFL: |
| 2679 | case VKI_F_SETLEASE: |
| 2680 | case VKI_F_NOTIFY: |
njn | 4ae4040 | 2005-08-24 13:55:59 +0000 | [diff] [blame] | 2681 | case VKI_F_SETOWN: |
| 2682 | case VKI_F_SETSIG: |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 2683 | PRINT("sys_fcntl[ARG3=='arg'] ( %d, %d, %d )", ARG1,ARG2,ARG3); |
| 2684 | PRE_REG_READ3(long, "fcntl", |
| 2685 | unsigned int, fd, unsigned int, cmd, unsigned long, arg); |
| 2686 | break; |
| 2687 | |
| 2688 | // These ones use ARG3 as "lock". |
| 2689 | case VKI_F_GETLK: |
| 2690 | case VKI_F_SETLK: |
| 2691 | case VKI_F_SETLKW: |
sewardj | e7aa4ae | 2005-06-09 12:43:42 +0000 | [diff] [blame] | 2692 | # if defined(VGP_x86_linux) |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 2693 | case VKI_F_GETLK64: |
| 2694 | case VKI_F_SETLK64: |
| 2695 | case VKI_F_SETLKW64: |
| 2696 | # else |
| 2697 | # endif |
| 2698 | PRINT("sys_fcntl[ARG3=='lock'] ( %d, %d, %p )", ARG1,ARG2,ARG3); |
| 2699 | PRE_REG_READ3(long, "fcntl", |
| 2700 | unsigned int, fd, unsigned int, cmd, |
| 2701 | struct flock64 *, lock); |
| 2702 | break; |
| 2703 | } |
| 2704 | |
| 2705 | if (ARG2 == VKI_F_SETLKW) |
| 2706 | *flags |= SfMayBlock; |
| 2707 | } |
| 2708 | |
| 2709 | POST(sys_fcntl) |
| 2710 | { |
| 2711 | vg_assert(SUCCESS); |
| 2712 | if (ARG2 == VKI_F_DUPFD) { |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 2713 | if (!ML_(fd_allowed)(RES, "fcntl(DUPFD)", tid, True)) { |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 2714 | VG_(close)(RES); |
| 2715 | SET_STATUS_Failure( VKI_EMFILE ); |
| 2716 | } else { |
| 2717 | if (VG_(clo_track_fds)) |
njn | f845f8f | 2005-06-23 02:26:47 +0000 | [diff] [blame] | 2718 | record_fd_open_named(tid, RES); |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 2719 | } |
| 2720 | } |
| 2721 | } |
njn | cfb8ad5 | 2004-11-23 14:57:49 +0000 | [diff] [blame] | 2722 | |
nethercote | 06c7bd7 | 2004-11-14 19:11:56 +0000 | [diff] [blame] | 2723 | // XXX: wrapper only suitable for 32-bit systems |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2724 | PRE(sys_fcntl64) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2725 | { |
njn | c616819 | 2004-11-29 13:54:10 +0000 | [diff] [blame] | 2726 | switch (ARG2) { |
| 2727 | // These ones ignore ARG3. |
| 2728 | case VKI_F_GETFD: |
| 2729 | case VKI_F_GETFL: |
| 2730 | case VKI_F_GETOWN: |
| 2731 | case VKI_F_SETOWN: |
| 2732 | case VKI_F_GETSIG: |
| 2733 | case VKI_F_SETSIG: |
| 2734 | case VKI_F_GETLEASE: |
| 2735 | PRINT("sys_fcntl64 ( %d, %d )", ARG1,ARG2); |
| 2736 | PRE_REG_READ2(long, "fcntl64", unsigned int, fd, unsigned int, cmd); |
| 2737 | break; |
| 2738 | |
| 2739 | // These ones use ARG3 as "arg". |
| 2740 | case VKI_F_DUPFD: |
| 2741 | case VKI_F_SETFD: |
| 2742 | case VKI_F_SETFL: |
| 2743 | case VKI_F_SETLEASE: |
| 2744 | case VKI_F_NOTIFY: |
| 2745 | PRINT("sys_fcntl64[ARG3=='arg'] ( %d, %d, %d )", ARG1,ARG2,ARG3); |
| 2746 | PRE_REG_READ3(long, "fcntl64", |
| 2747 | unsigned int, fd, unsigned int, cmd, unsigned long, arg); |
| 2748 | break; |
| 2749 | |
| 2750 | // These ones use ARG3 as "lock". |
| 2751 | case VKI_F_GETLK: |
| 2752 | case VKI_F_SETLK: |
| 2753 | case VKI_F_SETLKW: |
sewardj | e7aa4ae | 2005-06-09 12:43:42 +0000 | [diff] [blame] | 2754 | # if defined(VGP_x86_linux) |
njn | c616819 | 2004-11-29 13:54:10 +0000 | [diff] [blame] | 2755 | case VKI_F_GETLK64: |
| 2756 | case VKI_F_SETLK64: |
| 2757 | case VKI_F_SETLKW64: |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2758 | # endif |
njn | c616819 | 2004-11-29 13:54:10 +0000 | [diff] [blame] | 2759 | PRINT("sys_fcntl64[ARG3=='lock'] ( %d, %d, %p )", ARG1,ARG2,ARG3); |
| 2760 | PRE_REG_READ3(long, "fcntl64", |
| 2761 | unsigned int, fd, unsigned int, cmd, |
| 2762 | struct flock64 *, lock); |
| 2763 | break; |
| 2764 | } |
njn | cfb8ad5 | 2004-11-23 14:57:49 +0000 | [diff] [blame] | 2765 | |
sewardj | e7aa4ae | 2005-06-09 12:43:42 +0000 | [diff] [blame] | 2766 | # if defined(VGP_x86_linux) |
| 2767 | if (ARG2 == VKI_F_SETLKW || ARG2 == VKI_F_SETLKW64) |
| 2768 | *flags |= SfMayBlock; |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2769 | # else |
sewardj | e7aa4ae | 2005-06-09 12:43:42 +0000 | [diff] [blame] | 2770 | if (ARG2 == VKI_F_SETLKW) |
| 2771 | *flags |= SfMayBlock; |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2772 | # endif |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 2773 | } |
| 2774 | |
nethercote | 85a456f | 2004-11-16 17:31:56 +0000 | [diff] [blame] | 2775 | POST(sys_fcntl64) |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 2776 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2777 | vg_assert(SUCCESS); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2778 | if (ARG2 == VKI_F_DUPFD) { |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 2779 | if (!ML_(fd_allowed)(RES, "fcntl64(DUPFD)", tid, True)) { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2780 | VG_(close)(RES); |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2781 | SET_STATUS_Failure( VKI_EMFILE ); |
nethercote | 493dd18 | 2004-02-24 23:57:47 +0000 | [diff] [blame] | 2782 | } else { |
| 2783 | if (VG_(clo_track_fds)) |
njn | f845f8f | 2005-06-23 02:26:47 +0000 | [diff] [blame] | 2784 | record_fd_open_named(tid, RES); |
nethercote | 493dd18 | 2004-02-24 23:57:47 +0000 | [diff] [blame] | 2785 | } |
| 2786 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2787 | } |
| 2788 | |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 2789 | PRE(sys_newfstat) |
| 2790 | { |
| 2791 | PRINT("sys_newfstat ( %d, %p )", ARG1,ARG2); |
| 2792 | PRE_REG_READ2(long, "fstat", unsigned int, fd, struct stat *, buf); |
| 2793 | PRE_MEM_WRITE( "fstat(buf)", ARG2, sizeof(struct vki_stat) ); |
| 2794 | } |
| 2795 | |
| 2796 | POST(sys_newfstat) |
| 2797 | { |
| 2798 | POST_MEM_WRITE( ARG2, sizeof(struct vki_stat) ); |
| 2799 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2800 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 2801 | static vki_sigset_t fork_saved_mask; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2802 | |
nethercote | 75a8c98 | 2004-11-11 19:03:34 +0000 | [diff] [blame] | 2803 | // In Linux, the sys_fork() function varies across architectures, but we |
| 2804 | // ignore the various args it gets, and so it looks arch-neutral. Hmm. |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2805 | PRE(sys_fork) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2806 | { |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 2807 | vki_sigset_t mask; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2808 | |
nethercote | 75a8c98 | 2004-11-11 19:03:34 +0000 | [diff] [blame] | 2809 | PRINT("sys_fork ( )"); |
| 2810 | PRE_REG_READ0(long, "fork"); |
| 2811 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2812 | /* Block all signals during fork, so that we can fix things up in |
| 2813 | the child without being interrupted. */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 2814 | VG_(sigfillset)(&mask); |
| 2815 | VG_(sigprocmask)(VKI_SIG_SETMASK, &mask, &fork_saved_mask); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2816 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2817 | SET_STATUS_from_SysRes( VG_(do_syscall0)(__NR_fork) ); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2818 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2819 | if (SUCCESS && RES == 0) { |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2820 | VG_(do_atfork_child)(tid); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2821 | |
| 2822 | /* restore signal mask */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 2823 | VG_(sigprocmask)(VKI_SIG_SETMASK, &fork_saved_mask, NULL); |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2824 | } |
| 2825 | else |
| 2826 | if (SUCCESS && RES > 0) { |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2827 | PRINT(" fork: process %d created child %d\n", VG_(getpid)(), RES); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2828 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2829 | /* restore signal mask */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 2830 | VG_(sigprocmask)(VKI_SIG_SETMASK, &fork_saved_mask, NULL); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2831 | } |
| 2832 | } |
| 2833 | |
sewardj | 8c25732 | 2005-06-08 01:01:48 +0000 | [diff] [blame] | 2834 | PRE(sys_ftruncate) |
| 2835 | { |
| 2836 | *flags |= SfMayBlock; |
njn | 68e4659 | 2005-08-26 19:42:27 +0000 | [diff] [blame] | 2837 | PRINT("sys_ftruncate ( %d, %ld )", ARG1,ARG2); |
sewardj | 8c25732 | 2005-06-08 01:01:48 +0000 | [diff] [blame] | 2838 | PRE_REG_READ2(long, "ftruncate", unsigned int, fd, unsigned long, length); |
| 2839 | } |
| 2840 | |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 2841 | PRE(sys_truncate) |
| 2842 | { |
| 2843 | *flags |= SfMayBlock; |
| 2844 | PRINT("sys_truncate ( %p(%s), %d )", ARG1,ARG1,ARG2); |
| 2845 | PRE_REG_READ2(long, "truncate", |
| 2846 | const char *, path, unsigned long, length); |
| 2847 | PRE_MEM_RASCIIZ( "truncate(path)", ARG1 ); |
| 2848 | } |
| 2849 | |
sewardj | e6d5e72 | 2005-06-10 10:27:55 +0000 | [diff] [blame] | 2850 | // XXX: this wrapper is only suitable for 32-bit platforms |
sewardj | 48db0f0 | 2005-10-07 13:30:48 +0000 | [diff] [blame] | 2851 | #if defined(VGP_x86_linux) || defined(VGP_ppc32_linux) |
sewardj | e6d5e72 | 2005-06-10 10:27:55 +0000 | [diff] [blame] | 2852 | PRE(sys_ftruncate64) |
| 2853 | { |
| 2854 | *flags |= SfMayBlock; |
| 2855 | PRINT("sys_ftruncate64 ( %d, %lld )", ARG1, LOHI64(ARG2,ARG3)); |
| 2856 | PRE_REG_READ3(long, "ftruncate64", |
| 2857 | unsigned int, fd, |
| 2858 | vki_u32, length_low32, vki_u32, length_high32); |
| 2859 | } |
| 2860 | #endif |
| 2861 | |
| 2862 | // XXX: this wrapper is only suitable for 32-bit platforms |
| 2863 | #if defined(VGP_x86_linux) |
| 2864 | PRE(sys_truncate64) |
| 2865 | { |
| 2866 | *flags |= SfMayBlock; |
| 2867 | PRINT("sys_truncate64 ( %p, %lld )", ARG1, LOHI64(ARG2, ARG3)); |
| 2868 | PRE_REG_READ3(long, "truncate64", |
| 2869 | const char *, path, |
| 2870 | vki_u32, length_low32, vki_u32, length_high32); |
| 2871 | PRE_MEM_RASCIIZ( "truncate64(path)", ARG1 ); |
| 2872 | } |
| 2873 | #endif |
sewardj | 78b50e4 | 2005-06-08 01:47:28 +0000 | [diff] [blame] | 2874 | |
| 2875 | PRE(sys_getdents) |
| 2876 | { |
| 2877 | *flags |= SfMayBlock; |
| 2878 | PRINT("sys_getdents ( %d, %p, %d )", ARG1,ARG2,ARG3); |
| 2879 | PRE_REG_READ3(long, "getdents", |
| 2880 | unsigned int, fd, struct linux_dirent *, dirp, |
| 2881 | unsigned int, count); |
| 2882 | PRE_MEM_WRITE( "getdents(dirp)", ARG2, ARG3 ); |
| 2883 | } |
| 2884 | |
| 2885 | POST(sys_getdents) |
| 2886 | { |
| 2887 | vg_assert(SUCCESS); |
| 2888 | if (RES > 0) |
| 2889 | POST_MEM_WRITE( ARG2, RES ); |
| 2890 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2891 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2892 | PRE(sys_getdents64) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2893 | { |
sewardj | 78b50e4 | 2005-06-08 01:47:28 +0000 | [diff] [blame] | 2894 | *flags |= SfMayBlock; |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2895 | PRINT("sys_getdents64 ( %d, %p, %d )",ARG1,ARG2,ARG3); |
nethercote | 06c7bd7 | 2004-11-14 19:11:56 +0000 | [diff] [blame] | 2896 | PRE_REG_READ3(long, "getdents64", |
| 2897 | unsigned int, fd, struct linux_dirent64 *, dirp, |
| 2898 | unsigned int, count); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2899 | PRE_MEM_WRITE( "getdents64(dirp)", ARG2, ARG3 ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2900 | } |
| 2901 | |
nethercote | 85a456f | 2004-11-16 17:31:56 +0000 | [diff] [blame] | 2902 | POST(sys_getdents64) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2903 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2904 | vg_assert(SUCCESS); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2905 | if (RES > 0) |
| 2906 | POST_MEM_WRITE( ARG2, RES ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2907 | } |
| 2908 | |
sewardj | 78b50e4 | 2005-06-08 01:47:28 +0000 | [diff] [blame] | 2909 | PRE(sys_getgroups) |
| 2910 | { |
| 2911 | PRINT("sys_getgroups ( %d, %p )", ARG1, ARG2); |
| 2912 | PRE_REG_READ2(long, "getgroups", int, size, vki_gid_t *, list); |
| 2913 | if (ARG1 > 0) |
| 2914 | PRE_MEM_WRITE( "getgroups(list)", ARG2, ARG1 * sizeof(vki_gid_t) ); |
| 2915 | } |
| 2916 | |
| 2917 | POST(sys_getgroups) |
| 2918 | { |
| 2919 | vg_assert(SUCCESS); |
| 2920 | if (ARG1 > 0 && RES > 0) |
| 2921 | POST_MEM_WRITE( ARG2, RES * sizeof(vki_gid_t) ); |
| 2922 | } |
nethercote | 686b5db | 2004-11-14 13:42:51 +0000 | [diff] [blame] | 2923 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2924 | PRE(sys_getcwd) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2925 | { |
njn | 4b70e8c | 2005-08-14 17:36:07 +0000 | [diff] [blame] | 2926 | // Comment from linux/fs/dcache.c: |
| 2927 | // NOTE! The user-level library version returns a character pointer. |
| 2928 | // The kernel system call just returns the length of the buffer filled |
| 2929 | // (which includes the ending '\0' character), or a negative error |
| 2930 | // value. |
| 2931 | // Is this Linux-specific? If so it should be moved to syswrap-linux.c. |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2932 | PRINT("sys_getcwd ( %p, %llu )", ARG1,(ULong)ARG2); |
nethercote | ac866b9 | 2004-11-15 20:23:15 +0000 | [diff] [blame] | 2933 | PRE_REG_READ2(long, "getcwd", char *, buf, unsigned long, size); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2934 | PRE_MEM_WRITE( "getcwd(buf)", ARG1, ARG2 ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2935 | } |
| 2936 | |
nethercote | 85a456f | 2004-11-16 17:31:56 +0000 | [diff] [blame] | 2937 | POST(sys_getcwd) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2938 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2939 | vg_assert(SUCCESS); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 2940 | if (RES != (Addr)NULL) |
| 2941 | POST_MEM_WRITE( ARG1, RES ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2942 | } |
| 2943 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2944 | PRE(sys_geteuid) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2945 | { |
nethercote | 0df495a | 2004-11-11 16:38:21 +0000 | [diff] [blame] | 2946 | PRINT("sys_geteuid ( )"); |
| 2947 | PRE_REG_READ0(long, "geteuid"); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2948 | } |
| 2949 | |
sewardj | 78b50e4 | 2005-06-08 01:47:28 +0000 | [diff] [blame] | 2950 | PRE(sys_getegid) |
| 2951 | { |
| 2952 | PRINT("sys_getegid ( )"); |
| 2953 | PRE_REG_READ0(long, "getegid"); |
| 2954 | } |
| 2955 | |
sewardj | 78b50e4 | 2005-06-08 01:47:28 +0000 | [diff] [blame] | 2956 | PRE(sys_getgid) |
| 2957 | { |
| 2958 | PRINT("sys_getgid ( )"); |
| 2959 | PRE_REG_READ0(long, "getgid"); |
| 2960 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2961 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2962 | PRE(sys_getpid) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2963 | { |
nethercote | 4e632c2 | 2004-11-09 16:45:33 +0000 | [diff] [blame] | 2964 | PRINT("sys_getpid ()"); |
| 2965 | PRE_REG_READ0(long, "getpid"); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2966 | } |
| 2967 | |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 2968 | PRE(sys_getpgid) |
| 2969 | { |
| 2970 | PRINT("sys_getpgid ( %d )", ARG1); |
| 2971 | PRE_REG_READ1(long, "getpgid", vki_pid_t, pid); |
| 2972 | } |
sewardj | 78b50e4 | 2005-06-08 01:47:28 +0000 | [diff] [blame] | 2973 | |
| 2974 | PRE(sys_getpgrp) |
| 2975 | { |
| 2976 | PRINT("sys_getpgrp ()"); |
| 2977 | PRE_REG_READ0(long, "getpgrp"); |
| 2978 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2979 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 2980 | PRE(sys_getppid) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2981 | { |
nethercote | 4e632c2 | 2004-11-09 16:45:33 +0000 | [diff] [blame] | 2982 | PRINT("sys_getppid ()"); |
| 2983 | PRE_REG_READ0(long, "getppid"); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2984 | } |
| 2985 | |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 2986 | static void common_post_getrlimit(ThreadId tid, UWord a1, UWord a2) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2987 | { |
nethercote | 620154f | 2004-11-12 21:21:07 +0000 | [diff] [blame] | 2988 | POST_MEM_WRITE( a2, sizeof(struct vki_rlimit) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2989 | |
nethercote | 620154f | 2004-11-12 21:21:07 +0000 | [diff] [blame] | 2990 | switch (a1) { |
| 2991 | case VKI_RLIMIT_NOFILE: |
| 2992 | ((struct vki_rlimit *)a2)->rlim_cur = VG_(fd_soft_limit); |
| 2993 | ((struct vki_rlimit *)a2)->rlim_max = VG_(fd_hard_limit); |
| 2994 | break; |
nethercote | 535f03b | 2004-02-15 15:32:51 +0000 | [diff] [blame] | 2995 | |
nethercote | 620154f | 2004-11-12 21:21:07 +0000 | [diff] [blame] | 2996 | case VKI_RLIMIT_DATA: |
| 2997 | *((struct vki_rlimit *)a2) = VG_(client_rlimit_data); |
| 2998 | break; |
fitzhardinge | b50068f | 2004-02-24 23:42:55 +0000 | [diff] [blame] | 2999 | |
nethercote | 620154f | 2004-11-12 21:21:07 +0000 | [diff] [blame] | 3000 | case VKI_RLIMIT_STACK: |
| 3001 | *((struct vki_rlimit *)a2) = VG_(client_rlimit_stack); |
| 3002 | break; |
fitzhardinge | b50068f | 2004-02-24 23:42:55 +0000 | [diff] [blame] | 3003 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3004 | } |
| 3005 | |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 3006 | PRE(sys_old_getrlimit) |
| 3007 | { |
| 3008 | PRINT("sys_old_getrlimit ( %d, %p )", ARG1,ARG2); |
| 3009 | PRE_REG_READ2(long, "old_getrlimit", |
| 3010 | unsigned int, resource, struct rlimit *, rlim); |
| 3011 | PRE_MEM_WRITE( "old_getrlimit(rlim)", ARG2, sizeof(struct vki_rlimit) ); |
| 3012 | } |
| 3013 | |
| 3014 | POST(sys_old_getrlimit) |
| 3015 | { |
| 3016 | common_post_getrlimit(tid, ARG1, ARG2); |
| 3017 | } |
nethercote | 620154f | 2004-11-12 21:21:07 +0000 | [diff] [blame] | 3018 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 3019 | PRE(sys_getrlimit) |
nethercote | 620154f | 2004-11-12 21:21:07 +0000 | [diff] [blame] | 3020 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3021 | PRINT("sys_getrlimit ( %d, %p )", ARG1,ARG2); |
nethercote | 620154f | 2004-11-12 21:21:07 +0000 | [diff] [blame] | 3022 | PRE_REG_READ2(long, "getrlimit", |
| 3023 | unsigned int, resource, struct rlimit *, rlim); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3024 | PRE_MEM_WRITE( "getrlimit(rlim)", ARG2, sizeof(struct vki_rlimit) ); |
nethercote | 620154f | 2004-11-12 21:21:07 +0000 | [diff] [blame] | 3025 | } |
| 3026 | |
nethercote | 85a456f | 2004-11-16 17:31:56 +0000 | [diff] [blame] | 3027 | POST(sys_getrlimit) |
nethercote | 620154f | 2004-11-12 21:21:07 +0000 | [diff] [blame] | 3028 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3029 | common_post_getrlimit(tid, ARG1, ARG2); |
nethercote | 620154f | 2004-11-12 21:21:07 +0000 | [diff] [blame] | 3030 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3031 | |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 3032 | PRE(sys_getrusage) |
| 3033 | { |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 3034 | PRINT("sys_getrusage ( %d, %p )", ARG1,ARG2); |
| 3035 | PRE_REG_READ2(long, "getrusage", int, who, struct rusage *, usage); |
| 3036 | PRE_MEM_WRITE( "getrusage(usage)", ARG2, sizeof(struct vki_rusage) ); |
| 3037 | } |
| 3038 | |
| 3039 | POST(sys_getrusage) |
| 3040 | { |
| 3041 | vg_assert(SUCCESS); |
| 3042 | if (RES == 0) |
| 3043 | POST_MEM_WRITE( ARG2, sizeof(struct vki_rusage) ); |
| 3044 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3045 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 3046 | PRE(sys_gettimeofday) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3047 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3048 | PRINT("sys_gettimeofday ( %p, %p )", ARG1,ARG2); |
nethercote | 686b5db | 2004-11-14 13:42:51 +0000 | [diff] [blame] | 3049 | PRE_REG_READ2(long, "gettimeofday", |
| 3050 | struct timeval *, tv, struct timezone *, tz); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3051 | PRE_MEM_WRITE( "gettimeofday(tv)", ARG1, sizeof(struct vki_timeval) ); |
| 3052 | if (ARG2 != 0) |
| 3053 | PRE_MEM_WRITE( "gettimeofday(tz)", ARG2, sizeof(struct vki_timezone) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3054 | } |
| 3055 | |
nethercote | 85a456f | 2004-11-16 17:31:56 +0000 | [diff] [blame] | 3056 | POST(sys_gettimeofday) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3057 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 3058 | vg_assert(SUCCESS); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3059 | if (RES == 0) { |
| 3060 | POST_MEM_WRITE( ARG1, sizeof(struct vki_timeval) ); |
| 3061 | if (ARG2 != 0) |
| 3062 | POST_MEM_WRITE( ARG2, sizeof(struct vki_timezone) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3063 | } |
| 3064 | } |
| 3065 | |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 3066 | PRE(sys_settimeofday) |
| 3067 | { |
| 3068 | PRINT("sys_settimeofday ( %p, %p )", ARG1,ARG2); |
| 3069 | PRE_REG_READ2(long, "settimeofday", |
| 3070 | struct timeval *, tv, struct timezone *, tz); |
| 3071 | PRE_MEM_READ( "settimeofday(tv)", ARG1, sizeof(struct vki_timeval) ); |
| 3072 | if (ARG2 != 0) { |
| 3073 | PRE_MEM_READ( "settimeofday(tz)", ARG2, sizeof(struct vki_timezone) ); |
| 3074 | /* maybe should warn if tz->tz_dsttime is non-zero? */ |
| 3075 | } |
| 3076 | } |
nethercote | 686b5db | 2004-11-14 13:42:51 +0000 | [diff] [blame] | 3077 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 3078 | PRE(sys_getuid) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3079 | { |
nethercote | 0df495a | 2004-11-11 16:38:21 +0000 | [diff] [blame] | 3080 | PRINT("sys_getuid ( )"); |
| 3081 | PRE_REG_READ0(long, "getuid"); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3082 | } |
| 3083 | |
nethercote | 2e1c37d | 2004-11-13 13:57:12 +0000 | [diff] [blame] | 3084 | // XXX: I reckon some of these cases must be x86-specific |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 3085 | PRE(sys_ioctl) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3086 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 3087 | *flags |= SfMayBlock; |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3088 | PRINT("sys_ioctl ( %d, 0x%x, %p )",ARG1,ARG2,ARG3); |
nethercote | 9c311eb | 2004-11-12 18:20:12 +0000 | [diff] [blame] | 3089 | PRE_REG_READ3(long, "ioctl", |
| 3090 | unsigned int, fd, unsigned int, request, unsigned long, arg); |
| 3091 | |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3092 | switch (ARG2 /* request */) { |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3093 | case VKI_TCSETS: |
| 3094 | case VKI_TCSETSW: |
| 3095 | case VKI_TCSETSF: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3096 | PRE_MEM_READ( "ioctl(TCSET{S,SW,SF})", ARG3, sizeof(struct vki_termios) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3097 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3098 | case VKI_TCGETS: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3099 | PRE_MEM_WRITE( "ioctl(TCGETS)", ARG3, sizeof(struct vki_termios) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3100 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3101 | case VKI_TCSETA: |
| 3102 | case VKI_TCSETAW: |
| 3103 | case VKI_TCSETAF: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3104 | PRE_MEM_READ( "ioctl(TCSET{A,AW,AF})", ARG3, sizeof(struct vki_termio) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3105 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3106 | case VKI_TCGETA: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3107 | PRE_MEM_WRITE( "ioctl(TCGETA)", ARG3, sizeof(struct vki_termio) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3108 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3109 | case VKI_TCSBRK: |
| 3110 | case VKI_TCXONC: |
| 3111 | case VKI_TCSBRKP: |
| 3112 | case VKI_TCFLSH: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3113 | /* These just take an int by value */ |
| 3114 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3115 | case VKI_TIOCGWINSZ: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3116 | PRE_MEM_WRITE( "ioctl(TIOCGWINSZ)", ARG3, sizeof(struct vki_winsize) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3117 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3118 | case VKI_TIOCSWINSZ: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3119 | PRE_MEM_READ( "ioctl(TIOCSWINSZ)", ARG3, sizeof(struct vki_winsize) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3120 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3121 | case VKI_TIOCMBIS: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3122 | PRE_MEM_READ( "ioctl(TIOCMBIS)", ARG3, sizeof(unsigned int) ); |
thughes | fc5cd00 | 2004-09-11 14:37:04 +0000 | [diff] [blame] | 3123 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3124 | case VKI_TIOCMBIC: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3125 | PRE_MEM_READ( "ioctl(TIOCMBIC)", ARG3, sizeof(unsigned int) ); |
thughes | fc5cd00 | 2004-09-11 14:37:04 +0000 | [diff] [blame] | 3126 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3127 | case VKI_TIOCMSET: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3128 | PRE_MEM_READ( "ioctl(TIOCMSET)", ARG3, sizeof(unsigned int) ); |
thughes | fc5cd00 | 2004-09-11 14:37:04 +0000 | [diff] [blame] | 3129 | break; |
tom | 62ba758 | 2005-07-28 16:26:34 +0000 | [diff] [blame] | 3130 | case VKI_TIOCMGET: |
| 3131 | PRE_MEM_WRITE( "ioctl(TIOCMGET)", ARG3, sizeof(unsigned int) ); |
| 3132 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3133 | case VKI_TIOCLINUX: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3134 | PRE_MEM_READ( "ioctl(TIOCLINUX)", ARG3, sizeof(char *) ); |
| 3135 | if (*(char *)ARG3 == 11) { |
| 3136 | PRE_MEM_READ( "ioctl(TIOCLINUX, 11)", ARG3, 2 * sizeof(char *) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3137 | } |
| 3138 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3139 | case VKI_TIOCGPGRP: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3140 | /* Get process group ID for foreground processing group. */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3141 | PRE_MEM_WRITE( "ioctl(TIOCGPGRP)", ARG3, sizeof(vki_pid_t) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3142 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3143 | case VKI_TIOCSPGRP: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3144 | /* Set a process group ID? */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3145 | PRE_MEM_WRITE( "ioctl(TIOCGPGRP)", ARG3, sizeof(vki_pid_t) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3146 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3147 | case VKI_TIOCGPTN: /* Get Pty Number (of pty-mux device) */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3148 | PRE_MEM_WRITE( "ioctl(TIOCGPTN)", ARG3, sizeof(int) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3149 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3150 | case VKI_TIOCSCTTY: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3151 | /* Just takes an int value. */ |
| 3152 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3153 | case VKI_TIOCSPTLCK: /* Lock/unlock Pty */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3154 | PRE_MEM_READ( "ioctl(TIOCSPTLCK)", ARG3, sizeof(int) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3155 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3156 | case VKI_FIONBIO: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3157 | PRE_MEM_READ( "ioctl(FIONBIO)", ARG3, sizeof(int) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3158 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3159 | case VKI_FIOASYNC: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3160 | PRE_MEM_READ( "ioctl(FIOASYNC)", ARG3, sizeof(int) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3161 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3162 | case VKI_FIONREAD: /* identical to SIOCINQ */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3163 | PRE_MEM_WRITE( "ioctl(FIONREAD)", ARG3, sizeof(int) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3164 | break; |
| 3165 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3166 | case VKI_SG_SET_COMMAND_Q: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3167 | PRE_MEM_READ( "ioctl(SG_SET_COMMAND_Q)", ARG3, sizeof(int) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3168 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3169 | case VKI_SG_IO: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3170 | PRE_MEM_WRITE( "ioctl(SG_IO)", ARG3, sizeof(vki_sg_io_hdr_t) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3171 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3172 | case VKI_SG_GET_SCSI_ID: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3173 | PRE_MEM_WRITE( "ioctl(SG_GET_SCSI_ID)", ARG3, sizeof(vki_sg_scsi_id_t) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3174 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3175 | case VKI_SG_SET_RESERVED_SIZE: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3176 | PRE_MEM_READ( "ioctl(SG_SET_RESERVED_SIZE)", ARG3, sizeof(int) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3177 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3178 | case VKI_SG_SET_TIMEOUT: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3179 | PRE_MEM_READ( "ioctl(SG_SET_TIMEOUT)", ARG3, sizeof(int) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3180 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3181 | case VKI_SG_GET_RESERVED_SIZE: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3182 | PRE_MEM_WRITE( "ioctl(SG_GET_RESERVED_SIZE)", ARG3, sizeof(int) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3183 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3184 | case VKI_SG_GET_TIMEOUT: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3185 | PRE_MEM_WRITE( "ioctl(SG_GET_TIMEOUT)", ARG3, sizeof(int) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3186 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3187 | case VKI_SG_GET_VERSION_NUM: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3188 | PRE_MEM_READ( "ioctl(SG_GET_VERSION_NUM)", ARG3, sizeof(int) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3189 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3190 | case VKI_SG_EMULATED_HOST: /* 0x2203 */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3191 | PRE_MEM_WRITE( "ioctl(SG_EMULATED_HOST)", ARG3, sizeof(int) ); |
thughes | 5b788fb | 2004-09-11 15:07:14 +0000 | [diff] [blame] | 3192 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3193 | case VKI_SG_GET_SG_TABLESIZE: /* 0x227f */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3194 | PRE_MEM_WRITE( "ioctl(SG_GET_SG_TABLESIZE)", ARG3, sizeof(int) ); |
thughes | 5b788fb | 2004-09-11 15:07:14 +0000 | [diff] [blame] | 3195 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3196 | |
mueller | a4b153a | 2003-11-19 22:07:14 +0000 | [diff] [blame] | 3197 | case VKI_IIOCGETCPS: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3198 | PRE_MEM_WRITE( "ioctl(IIOCGETCPS)", ARG3, |
nethercote | 95a9786 | 2004-11-06 16:31:43 +0000 | [diff] [blame] | 3199 | VKI_ISDN_MAX_CHANNELS * 2 * sizeof(unsigned long) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3200 | break; |
mueller | a4b153a | 2003-11-19 22:07:14 +0000 | [diff] [blame] | 3201 | case VKI_IIOCNETGPN: |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3202 | PRE_MEM_READ( "ioctl(IIOCNETGPN)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3203 | (Addr)&((vki_isdn_net_ioctl_phone *)ARG3)->name, |
| 3204 | sizeof(((vki_isdn_net_ioctl_phone *)ARG3)->name) ); |
| 3205 | PRE_MEM_WRITE( "ioctl(IIOCNETGPN)", ARG3, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3206 | sizeof(vki_isdn_net_ioctl_phone) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3207 | break; |
| 3208 | |
| 3209 | /* These all use struct ifreq AFAIK */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3210 | case VKI_SIOCGIFINDEX: /* get iface index */ |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3211 | PRE_MEM_RASCIIZ( "ioctl(SIOCGIFINDEX)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3212 | (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); |
| 3213 | PRE_MEM_WRITE( "ioctl(SIOCGIFINDEX)", ARG3, sizeof(struct vki_ifreq)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3214 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3215 | case VKI_SIOCGIFFLAGS: /* get flags */ |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3216 | PRE_MEM_RASCIIZ( "ioctl(SIOCGIFFLAGS)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3217 | (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); |
| 3218 | PRE_MEM_WRITE( "ioctl(SIOCGIFFLAGS)", ARG3, sizeof(struct vki_ifreq)); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3219 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3220 | case VKI_SIOCGIFHWADDR: /* Get hardware address */ |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3221 | PRE_MEM_RASCIIZ( "ioctl(SIOCGIFHWADDR)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3222 | (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); |
| 3223 | PRE_MEM_WRITE( "ioctl(SIOCGIFHWADDR)", ARG3, sizeof(struct vki_ifreq)); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3224 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3225 | case VKI_SIOCGIFMTU: /* get MTU size */ |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3226 | PRE_MEM_RASCIIZ( "ioctl(SIOCGIFMTU)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3227 | (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); |
| 3228 | PRE_MEM_WRITE( "ioctl(SIOCGIFMTU)", ARG3, sizeof(struct vki_ifreq)); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3229 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3230 | case VKI_SIOCGIFADDR: /* get PA address */ |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3231 | PRE_MEM_RASCIIZ( "ioctl(SIOCGIFADDR)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3232 | (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); |
| 3233 | PRE_MEM_WRITE( "ioctl(SIOCGIFADDR)", ARG3, sizeof(struct vki_ifreq)); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3234 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3235 | case VKI_SIOCGIFNETMASK: /* get network PA mask */ |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3236 | PRE_MEM_RASCIIZ( "ioctl(SIOCGIFNETMASK)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3237 | (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); |
| 3238 | PRE_MEM_WRITE( "ioctl(SIOCGIFNETMASK)", ARG3, sizeof(struct vki_ifreq)); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3239 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3240 | case VKI_SIOCGIFMETRIC: /* get metric */ |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3241 | PRE_MEM_RASCIIZ( "ioctl(SIOCGIFMETRIC)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3242 | (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); |
| 3243 | PRE_MEM_WRITE( "ioctl(SIOCGIFMETRIC)", ARG3, sizeof(struct vki_ifreq)); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3244 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3245 | case VKI_SIOCGIFMAP: /* Get device parameters */ |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3246 | PRE_MEM_RASCIIZ( "ioctl(SIOCGIFMAP)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3247 | (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); |
| 3248 | PRE_MEM_WRITE( "ioctl(SIOCGIFMAP)", ARG3, sizeof(struct vki_ifreq)); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3249 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3250 | case VKI_SIOCGIFTXQLEN: /* Get the tx queue length */ |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3251 | PRE_MEM_RASCIIZ( "ioctl(SIOCGIFTXQLEN)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3252 | (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); |
| 3253 | PRE_MEM_WRITE( "ioctl(SIOCGIFTXQLEN)", ARG3, sizeof(struct vki_ifreq)); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3254 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3255 | case VKI_SIOCGIFDSTADDR: /* get remote PA address */ |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3256 | PRE_MEM_RASCIIZ( "ioctl(SIOCGIFDSTADDR)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3257 | (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); |
| 3258 | PRE_MEM_WRITE( "ioctl(SIOCGIFDSTADDR)", ARG3, sizeof(struct vki_ifreq)); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3259 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3260 | case VKI_SIOCGIFBRDADDR: /* get broadcast PA address */ |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3261 | PRE_MEM_RASCIIZ( "ioctl(SIOCGIFBRDADDR)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3262 | (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); |
| 3263 | PRE_MEM_WRITE( "ioctl(SIOCGIFBRDADDR)", ARG3, sizeof(struct vki_ifreq)); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3264 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3265 | case VKI_SIOCGIFNAME: /* get iface name */ |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3266 | PRE_MEM_READ( "ioctl(SIOCGIFNAME)", |
tom | 3b86ae5 | 2005-07-29 18:42:22 +0000 | [diff] [blame] | 3267 | (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_ifindex, |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3268 | sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_ifindex) ); |
| 3269 | PRE_MEM_WRITE( "ioctl(SIOCGIFNAME)", ARG3, sizeof(struct vki_ifreq)); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3270 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3271 | case VKI_SIOCGMIIPHY: /* get hardware entry */ |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3272 | PRE_MEM_RASCIIZ( "ioctl(SIOCGIFMIIPHY)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3273 | (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); |
| 3274 | PRE_MEM_WRITE( "ioctl(SIOCGIFMIIPHY)", ARG3, sizeof(struct vki_ifreq)); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3275 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3276 | case VKI_SIOCGMIIREG: /* get hardware entry registers */ |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3277 | PRE_MEM_RASCIIZ( "ioctl(SIOCGIFMIIREG)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3278 | (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3279 | PRE_MEM_READ( "ioctl(SIOCGIFMIIREG)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3280 | (Addr)&((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->phy_id, |
| 3281 | sizeof(((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->phy_id) ); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3282 | PRE_MEM_READ( "ioctl(SIOCGIFMIIREG)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3283 | (Addr)&((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->reg_num, |
| 3284 | sizeof(((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->reg_num) ); |
| 3285 | PRE_MEM_WRITE( "ioctl(SIOCGIFMIIREG)", ARG3, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3286 | sizeof(struct vki_ifreq)); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3287 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3288 | case VKI_SIOCGIFCONF: /* get iface list */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3289 | /* WAS: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3290 | PRE_MEM_WRITE( "ioctl(SIOCGIFCONF)", ARG3, sizeof(struct ifconf)); |
| 3291 | KERNEL_DO_SYSCALL(tid,RES); |
| 3292 | if (!VG_(is_kerror)(RES) && RES == 0) |
| 3293 | POST_MEM_WRITE(ARG3, sizeof(struct ifconf)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3294 | */ |
tom | b9fef19 | 2005-07-18 22:45:55 +0000 | [diff] [blame] | 3295 | PRE_MEM_READ( "ioctl(SIOCGIFCONF)", |
| 3296 | (Addr)&((struct vki_ifconf *)ARG3)->ifc_len, |
| 3297 | sizeof(((struct vki_ifconf *)ARG3)->ifc_len)); |
| 3298 | PRE_MEM_READ( "ioctl(SIOCGIFCONF)", |
| 3299 | (Addr)&((struct vki_ifconf *)ARG3)->vki_ifc_buf, |
| 3300 | sizeof(((struct vki_ifconf *)ARG3)->vki_ifc_buf)); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3301 | if ( ARG3 ) { |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3302 | // TODO len must be readable and writable |
| 3303 | // buf pointer only needs to be readable |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3304 | struct vki_ifconf *ifc = (struct vki_ifconf *) ARG3; |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3305 | PRE_MEM_WRITE( "ioctl(SIOCGIFCONF).ifc_buf", |
nethercote | 50397c2 | 2004-11-04 18:03:06 +0000 | [diff] [blame] | 3306 | (Addr)(ifc->vki_ifc_buf), ifc->ifc_len ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3307 | } |
| 3308 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3309 | case VKI_SIOCGSTAMP: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3310 | PRE_MEM_WRITE( "ioctl(SIOCGSTAMP)", ARG3, sizeof(struct vki_timeval)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3311 | break; |
| 3312 | /* SIOCOUTQ is an ioctl that, when called on a socket, returns |
| 3313 | the number of bytes currently in that socket's send buffer. |
| 3314 | It writes this value as an int to the memory location |
| 3315 | indicated by the third argument of ioctl(2). */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3316 | case VKI_SIOCOUTQ: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3317 | PRE_MEM_WRITE( "ioctl(SIOCOUTQ)", ARG3, sizeof(int)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3318 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3319 | case VKI_SIOCGRARP: /* get RARP table entry */ |
| 3320 | case VKI_SIOCGARP: /* get ARP table entry */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3321 | PRE_MEM_WRITE( "ioctl(SIOCGARP)", ARG3, sizeof(struct vki_arpreq)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3322 | break; |
| 3323 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3324 | case VKI_SIOCSIFFLAGS: /* set flags */ |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3325 | PRE_MEM_RASCIIZ( "ioctl(SIOCSIFFLAGS)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3326 | (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3327 | PRE_MEM_READ( "ioctl(SIOCSIFFLAGS)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3328 | (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_flags, |
| 3329 | sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_flags) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3330 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3331 | case VKI_SIOCSIFMAP: /* Set device parameters */ |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3332 | PRE_MEM_RASCIIZ( "ioctl(SIOCSIFMAP)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3333 | (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3334 | PRE_MEM_READ( "ioctl(SIOCSIFMAP)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3335 | (Addr)&((struct vki_ifreq *)ARG3)->ifr_map, |
| 3336 | sizeof(((struct vki_ifreq *)ARG3)->ifr_map) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3337 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3338 | case VKI_SIOCSIFTXQLEN: /* Set the tx queue length */ |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3339 | PRE_MEM_RASCIIZ( "ioctl(SIOCSIFTXQLEN)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3340 | (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3341 | PRE_MEM_READ( "ioctl(SIOCSIFTXQLEN)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3342 | (Addr)&((struct vki_ifreq *)ARG3)->ifr_qlen, |
| 3343 | sizeof(((struct vki_ifreq *)ARG3)->ifr_qlen) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3344 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3345 | case VKI_SIOCSIFADDR: /* set PA address */ |
| 3346 | case VKI_SIOCSIFDSTADDR: /* set remote PA address */ |
| 3347 | case VKI_SIOCSIFBRDADDR: /* set broadcast PA address */ |
| 3348 | case VKI_SIOCSIFNETMASK: /* set network PA mask */ |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3349 | PRE_MEM_RASCIIZ( "ioctl(SIOCSIF*ADDR)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3350 | (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3351 | PRE_MEM_READ( "ioctl(SIOCSIF*ADDR)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3352 | (Addr)&((struct vki_ifreq *)ARG3)->ifr_addr, |
| 3353 | sizeof(((struct vki_ifreq *)ARG3)->ifr_addr) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3354 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3355 | case VKI_SIOCSIFMETRIC: /* set metric */ |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3356 | PRE_MEM_RASCIIZ( "ioctl(SIOCSIFMETRIC)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3357 | (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3358 | PRE_MEM_READ( "ioctl(SIOCSIFMETRIC)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3359 | (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_metric, |
| 3360 | sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_metric) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3361 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3362 | case VKI_SIOCSIFMTU: /* set MTU size */ |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3363 | PRE_MEM_RASCIIZ( "ioctl(SIOCSIFMTU)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3364 | (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3365 | PRE_MEM_READ( "ioctl(SIOCSIFMTU)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3366 | (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_mtu, |
| 3367 | sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_mtu) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3368 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3369 | case VKI_SIOCSIFHWADDR: /* set hardware address */ |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3370 | PRE_MEM_RASCIIZ( "ioctl(SIOCSIFHWADDR)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3371 | (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3372 | PRE_MEM_READ( "ioctl(SIOCSIFHWADDR)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3373 | (Addr)&((struct vki_ifreq *)ARG3)->ifr_hwaddr, |
| 3374 | sizeof(((struct vki_ifreq *)ARG3)->ifr_hwaddr) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3375 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3376 | case VKI_SIOCSMIIREG: /* set hardware entry registers */ |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3377 | PRE_MEM_RASCIIZ( "ioctl(SIOCSMIIREG)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3378 | (Addr)((struct vki_ifreq *)ARG3)->vki_ifr_name ); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3379 | PRE_MEM_READ( "ioctl(SIOCSMIIREG)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3380 | (Addr)&((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->phy_id, |
| 3381 | sizeof(((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->phy_id) ); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3382 | PRE_MEM_READ( "ioctl(SIOCSMIIREG)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3383 | (Addr)&((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->reg_num, |
| 3384 | sizeof(((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->reg_num) ); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3385 | PRE_MEM_READ( "ioctl(SIOCSMIIREG)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3386 | (Addr)&((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->val_in, |
| 3387 | sizeof(((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->val_in) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3388 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3389 | /* Routing table calls. */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3390 | case VKI_SIOCADDRT: /* add routing table entry */ |
| 3391 | case VKI_SIOCDELRT: /* delete routing table entry */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3392 | PRE_MEM_READ( "ioctl(SIOCADDRT/DELRT)", ARG3, |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3393 | sizeof(struct vki_rtentry)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3394 | break; |
| 3395 | |
| 3396 | /* RARP cache control calls. */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3397 | case VKI_SIOCDRARP: /* delete RARP table entry */ |
| 3398 | case VKI_SIOCSRARP: /* set RARP table entry */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3399 | /* ARP cache control calls. */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3400 | case VKI_SIOCSARP: /* set ARP table entry */ |
| 3401 | case VKI_SIOCDARP: /* delete ARP table entry */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3402 | PRE_MEM_READ( "ioctl(SIOCSIFFLAGS)", ARG3, sizeof(struct vki_ifreq)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3403 | break; |
| 3404 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3405 | case VKI_SIOCGPGRP: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3406 | PRE_MEM_WRITE( "ioctl(SIOCGPGRP)", ARG3, sizeof(int) ); |
thughes | 1174fed | 2004-09-11 15:33:17 +0000 | [diff] [blame] | 3407 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3408 | case VKI_SIOCSPGRP: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3409 | PRE_MEM_READ( "ioctl(SIOCSPGRP)", ARG3, sizeof(int) ); |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 3410 | //tst->sys_flags &= ~SfMayBlock; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3411 | break; |
| 3412 | |
| 3413 | /* linux/soundcard interface (OSS) */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3414 | case VKI_SNDCTL_SEQ_GETOUTCOUNT: |
| 3415 | case VKI_SNDCTL_SEQ_GETINCOUNT: |
| 3416 | case VKI_SNDCTL_SEQ_PERCMODE: |
| 3417 | case VKI_SNDCTL_SEQ_TESTMIDI: |
| 3418 | case VKI_SNDCTL_SEQ_RESETSAMPLES: |
| 3419 | case VKI_SNDCTL_SEQ_NRSYNTHS: |
| 3420 | case VKI_SNDCTL_SEQ_NRMIDIS: |
| 3421 | case VKI_SNDCTL_SEQ_GETTIME: |
| 3422 | case VKI_SNDCTL_DSP_GETFMTS: |
| 3423 | case VKI_SNDCTL_DSP_GETTRIGGER: |
| 3424 | case VKI_SNDCTL_DSP_GETODELAY: |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3425 | case VKI_SNDCTL_DSP_GETSPDIF: |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3426 | case VKI_SNDCTL_DSP_GETCAPS: |
| 3427 | case VKI_SOUND_PCM_READ_RATE: |
| 3428 | case VKI_SOUND_PCM_READ_CHANNELS: |
| 3429 | case VKI_SOUND_PCM_READ_BITS: |
cerion | 85665ca | 2005-06-20 15:51:07 +0000 | [diff] [blame] | 3430 | #if !defined(VGA_ppc32) |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3431 | case (VKI_SOUND_PCM_READ_BITS|0x40000000): /* what the fuck ? */ |
cerion | 85665ca | 2005-06-20 15:51:07 +0000 | [diff] [blame] | 3432 | #endif |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3433 | case VKI_SOUND_PCM_READ_FILTER: |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3434 | PRE_MEM_WRITE( "ioctl(SNDCTL_XXX|SOUND_XXX (SIOR, int))", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3435 | ARG3, sizeof(int)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3436 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3437 | case VKI_SNDCTL_SEQ_CTRLRATE: |
| 3438 | case VKI_SNDCTL_DSP_SPEED: |
| 3439 | case VKI_SNDCTL_DSP_STEREO: |
| 3440 | case VKI_SNDCTL_DSP_GETBLKSIZE: |
| 3441 | case VKI_SNDCTL_DSP_CHANNELS: |
| 3442 | case VKI_SOUND_PCM_WRITE_FILTER: |
| 3443 | case VKI_SNDCTL_DSP_SUBDIVIDE: |
| 3444 | case VKI_SNDCTL_DSP_SETFRAGMENT: |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3445 | case VKI_SNDCTL_DSP_GETCHANNELMASK: |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3446 | case VKI_SNDCTL_DSP_BIND_CHANNEL: |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3447 | case VKI_SNDCTL_TMR_TIMEBASE: |
| 3448 | case VKI_SNDCTL_TMR_TEMPO: |
| 3449 | case VKI_SNDCTL_TMR_SOURCE: |
| 3450 | case VKI_SNDCTL_MIDI_PRETIME: |
| 3451 | case VKI_SNDCTL_MIDI_MPUMODE: |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3452 | PRE_MEM_READ( "ioctl(SNDCTL_XXX|SOUND_XXX (SIOWR, int))", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3453 | ARG3, sizeof(int)); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3454 | PRE_MEM_WRITE( "ioctl(SNDCTL_XXX|SOUND_XXX (SIOWR, int))", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3455 | ARG3, sizeof(int)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3456 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3457 | case VKI_SNDCTL_DSP_GETOSPACE: |
| 3458 | case VKI_SNDCTL_DSP_GETISPACE: |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3459 | PRE_MEM_WRITE( "ioctl(SNDCTL_XXX|SOUND_XXX (SIOR, audio_buf_info))", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3460 | ARG3, sizeof(vki_audio_buf_info)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3461 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3462 | case VKI_SNDCTL_DSP_SETTRIGGER: |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3463 | PRE_MEM_READ( "ioctl(SNDCTL_XXX|SOUND_XXX (SIOW, int))", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3464 | ARG3, sizeof(int)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3465 | break; |
| 3466 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3467 | case VKI_SNDCTL_DSP_POST: |
| 3468 | case VKI_SNDCTL_DSP_RESET: |
| 3469 | case VKI_SNDCTL_DSP_SYNC: |
| 3470 | case VKI_SNDCTL_DSP_SETSYNCRO: |
| 3471 | case VKI_SNDCTL_DSP_SETDUPLEX: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3472 | break; |
| 3473 | |
tom | 2f93288 | 2005-11-14 17:03:54 +0000 | [diff] [blame] | 3474 | /* linux/soundcard interface (ALSA) */ |
| 3475 | case VKI_SNDRV_PCM_IOCTL_HW_FREE: |
| 3476 | case VKI_SNDRV_PCM_IOCTL_HWSYNC: |
| 3477 | case VKI_SNDRV_PCM_IOCTL_PREPARE: |
| 3478 | case VKI_SNDRV_PCM_IOCTL_RESET: |
| 3479 | case VKI_SNDRV_PCM_IOCTL_START: |
| 3480 | case VKI_SNDRV_PCM_IOCTL_DROP: |
| 3481 | case VKI_SNDRV_PCM_IOCTL_DRAIN: |
| 3482 | case VKI_SNDRV_PCM_IOCTL_RESUME: |
| 3483 | case VKI_SNDRV_PCM_IOCTL_XRUN: |
| 3484 | case VKI_SNDRV_PCM_IOCTL_UNLINK: |
| 3485 | case VKI_SNDRV_TIMER_IOCTL_START: |
| 3486 | case VKI_SNDRV_TIMER_IOCTL_STOP: |
| 3487 | case VKI_SNDRV_TIMER_IOCTL_CONTINUE: |
| 3488 | case VKI_SNDRV_TIMER_IOCTL_PAUSE: |
| 3489 | break; |
| 3490 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3491 | /* Real Time Clock (/dev/rtc) ioctls */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3492 | case VKI_RTC_UIE_ON: |
| 3493 | case VKI_RTC_UIE_OFF: |
| 3494 | case VKI_RTC_AIE_ON: |
| 3495 | case VKI_RTC_AIE_OFF: |
| 3496 | case VKI_RTC_PIE_ON: |
| 3497 | case VKI_RTC_PIE_OFF: |
| 3498 | case VKI_RTC_IRQP_SET: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3499 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3500 | case VKI_RTC_RD_TIME: |
| 3501 | case VKI_RTC_ALM_READ: |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3502 | PRE_MEM_WRITE( "ioctl(RTC_RD_TIME/ALM_READ)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3503 | ARG3, sizeof(struct vki_rtc_time)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3504 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3505 | case VKI_RTC_ALM_SET: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3506 | PRE_MEM_READ( "ioctl(RTC_ALM_SET)", ARG3, sizeof(struct vki_rtc_time)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3507 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3508 | case VKI_RTC_IRQP_READ: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3509 | PRE_MEM_WRITE( "ioctl(RTC_IRQP_READ)", ARG3, sizeof(unsigned long)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3510 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3511 | |
tom | eafc49b | 2005-07-28 16:08:09 +0000 | [diff] [blame] | 3512 | /* Block devices */ |
| 3513 | case VKI_BLKROSET: |
| 3514 | PRE_MEM_READ( "ioctl(BLKROSET)", ARG3, sizeof(int)); |
| 3515 | break; |
| 3516 | case VKI_BLKROGET: |
| 3517 | PRE_MEM_WRITE( "ioctl(BLKROGET)", ARG3, sizeof(int)); |
| 3518 | break; |
nethercote | 95a9786 | 2004-11-06 16:31:43 +0000 | [diff] [blame] | 3519 | case VKI_BLKGETSIZE: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3520 | PRE_MEM_WRITE( "ioctl(BLKGETSIZE)", ARG3, sizeof(unsigned long)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3521 | break; |
tom | eafc49b | 2005-07-28 16:08:09 +0000 | [diff] [blame] | 3522 | case VKI_BLKRASET: |
| 3523 | break; |
| 3524 | case VKI_BLKRAGET: |
| 3525 | PRE_MEM_WRITE( "ioctl(BLKRAGET)", ARG3, sizeof(long)); |
| 3526 | break; |
| 3527 | case VKI_BLKFRASET: |
| 3528 | break; |
| 3529 | case VKI_BLKFRAGET: |
| 3530 | PRE_MEM_WRITE( "ioctl(BLKFRAGET)", ARG3, sizeof(long)); |
| 3531 | break; |
| 3532 | case VKI_BLKSECTGET: |
| 3533 | PRE_MEM_WRITE( "ioctl(BLKSECTGET)", ARG3, sizeof(unsigned short)); |
| 3534 | break; |
| 3535 | case VKI_BLKSSZGET: |
| 3536 | PRE_MEM_WRITE( "ioctl(BLKSSZGET)", ARG3, sizeof(int)); |
| 3537 | break; |
| 3538 | case VKI_BLKBSZGET: |
| 3539 | PRE_MEM_WRITE( "ioctl(BLKBSZGET)", ARG3, sizeof(int)); |
| 3540 | break; |
| 3541 | case VKI_BLKBSZSET: |
| 3542 | PRE_MEM_READ( "ioctl(BLKBSZSET)", ARG3, sizeof(int)); |
| 3543 | break; |
tom | d655564 | 2005-07-18 13:26:55 +0000 | [diff] [blame] | 3544 | case VKI_BLKGETSIZE64: |
| 3545 | PRE_MEM_WRITE( "ioctl(BLKGETSIZE64)", ARG3, sizeof(unsigned long long)); |
| 3546 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3547 | |
thughes | acbbc32 | 2004-06-19 12:12:01 +0000 | [diff] [blame] | 3548 | /* Hard disks */ |
tom | 2c2bc25 | 2005-07-28 16:13:42 +0000 | [diff] [blame] | 3549 | case VKI_HDIO_GETGEO: /* 0x0301 */ |
| 3550 | PRE_MEM_WRITE( "ioctl(HDIO_GETGEO)", ARG3, sizeof(struct vki_hd_geometry)); |
| 3551 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3552 | case VKI_HDIO_GET_IDENTITY: /* 0x030d */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3553 | PRE_MEM_WRITE( "ioctl(HDIO_GET_IDENTITY)", ARG3, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3554 | VKI_SIZEOF_STRUCT_HD_DRIVEID ); |
thughes | acbbc32 | 2004-06-19 12:12:01 +0000 | [diff] [blame] | 3555 | break; |
| 3556 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3557 | /* CD ROM stuff (??) */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3558 | case VKI_CDROM_GET_MCN: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3559 | PRE_MEM_READ( "ioctl(CDROM_GET_MCN)", ARG3, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3560 | sizeof(struct vki_cdrom_mcn) ); |
nethercote | 671398c | 2004-02-22 18:08:04 +0000 | [diff] [blame] | 3561 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3562 | case VKI_CDROM_SEND_PACKET: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3563 | PRE_MEM_READ( "ioctl(CDROM_SEND_PACKET)", ARG3, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3564 | sizeof(struct vki_cdrom_generic_command)); |
nethercote | 671398c | 2004-02-22 18:08:04 +0000 | [diff] [blame] | 3565 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3566 | case VKI_CDROMSUBCHNL: |
nethercote | 11e07d3 | 2004-11-06 16:17:52 +0000 | [diff] [blame] | 3567 | PRE_MEM_READ( "ioctl(CDROMSUBCHNL (cdsc_format, char))", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3568 | (Addr) &(((struct vki_cdrom_subchnl*) ARG3)->cdsc_format), |
| 3569 | sizeof(((struct vki_cdrom_subchnl*) ARG3)->cdsc_format)); |
| 3570 | PRE_MEM_WRITE( "ioctl(CDROMSUBCHNL)", ARG3, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3571 | sizeof(struct vki_cdrom_subchnl)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3572 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3573 | case VKI_CDROMREADMODE2: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3574 | PRE_MEM_READ( "ioctl(CDROMREADMODE2)", ARG3, VKI_CD_FRAMESIZE_RAW0 ); |
nethercote | 671398c | 2004-02-22 18:08:04 +0000 | [diff] [blame] | 3575 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3576 | case VKI_CDROMREADTOCHDR: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3577 | PRE_MEM_WRITE( "ioctl(CDROMREADTOCHDR)", ARG3, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3578 | sizeof(struct vki_cdrom_tochdr)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3579 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3580 | case VKI_CDROMREADTOCENTRY: |
nethercote | 11e07d3 | 2004-11-06 16:17:52 +0000 | [diff] [blame] | 3581 | PRE_MEM_READ( "ioctl(CDROMREADTOCENTRY (cdte_format, char))", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3582 | (Addr) &(((struct vki_cdrom_tocentry*) ARG3)->cdte_format), |
| 3583 | sizeof(((struct vki_cdrom_tocentry*) ARG3)->cdte_format)); |
nethercote | 11e07d3 | 2004-11-06 16:17:52 +0000 | [diff] [blame] | 3584 | PRE_MEM_READ( "ioctl(CDROMREADTOCENTRY (cdte_track, char))", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3585 | (Addr) &(((struct vki_cdrom_tocentry*) ARG3)->cdte_track), |
| 3586 | sizeof(((struct vki_cdrom_tocentry*) ARG3)->cdte_track)); |
| 3587 | PRE_MEM_WRITE( "ioctl(CDROMREADTOCENTRY)", ARG3, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3588 | sizeof(struct vki_cdrom_tocentry)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3589 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3590 | case VKI_CDROMMULTISESSION: /* 0x5310 */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3591 | PRE_MEM_WRITE( "ioctl(CDROMMULTISESSION)", ARG3, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3592 | sizeof(struct vki_cdrom_multisession)); |
thughes | 5b788fb | 2004-09-11 15:07:14 +0000 | [diff] [blame] | 3593 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3594 | case VKI_CDROMVOLREAD: /* 0x5313 */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3595 | PRE_MEM_WRITE( "ioctl(CDROMVOLREAD)", ARG3, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3596 | sizeof(struct vki_cdrom_volctrl)); |
thughes | 5b788fb | 2004-09-11 15:07:14 +0000 | [diff] [blame] | 3597 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3598 | case VKI_CDROMREADAUDIO: /* 0x530e */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3599 | PRE_MEM_READ( "ioctl(CDROMREADAUDIO)", ARG3, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3600 | sizeof (struct vki_cdrom_read_audio)); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3601 | if ( ARG3 ) { |
thughes | 5b788fb | 2004-09-11 15:07:14 +0000 | [diff] [blame] | 3602 | /* ToDo: don't do any of the following if the structure is invalid */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3603 | struct vki_cdrom_read_audio *cra = (struct vki_cdrom_read_audio *) ARG3; |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 3604 | PRE_MEM_WRITE( "ioctl(CDROMREADAUDIO).buf", |
| 3605 | (Addr)(cra->buf), cra->nframes * VKI_CD_FRAMESIZE_RAW); |
thughes | 5b788fb | 2004-09-11 15:07:14 +0000 | [diff] [blame] | 3606 | } |
| 3607 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3608 | case VKI_CDROMPLAYMSF: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3609 | PRE_MEM_READ( "ioctl(CDROMPLAYMSF)", ARG3, sizeof(struct vki_cdrom_msf)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3610 | break; |
| 3611 | /* The following two are probably bogus (should check args |
| 3612 | for readability). JRS 20021117 */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3613 | case VKI_CDROM_DRIVE_STATUS: /* 0x5326 */ |
| 3614 | case VKI_CDROM_CLEAR_OPTIONS: /* 0x5321 */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3615 | break; |
thughes | 66d8009 | 2004-06-19 12:41:05 +0000 | [diff] [blame] | 3616 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3617 | case VKI_FIGETBSZ: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3618 | PRE_MEM_WRITE( "ioctl(FIGETBSZ)", ARG3, sizeof(unsigned long)); |
thughes | 66d8009 | 2004-06-19 12:41:05 +0000 | [diff] [blame] | 3619 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3620 | case VKI_FIBMAP: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3621 | PRE_MEM_READ( "ioctl(FIBMAP)", ARG3, sizeof(unsigned long)); |
thughes | 66d8009 | 2004-06-19 12:41:05 +0000 | [diff] [blame] | 3622 | break; |
| 3623 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3624 | case VKI_FBIOGET_VSCREENINFO: /* 0x4600 */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3625 | PRE_MEM_WRITE( "ioctl(FBIOGET_VSCREENINFO)", ARG3, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3626 | sizeof(struct vki_fb_var_screeninfo)); |
thughes | 44e3558 | 2004-04-21 15:52:33 +0000 | [diff] [blame] | 3627 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3628 | case VKI_FBIOGET_FSCREENINFO: /* 0x4602 */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3629 | PRE_MEM_WRITE( "ioctl(FBIOGET_FSCREENINFO)", ARG3, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3630 | sizeof(struct vki_fb_fix_screeninfo)); |
thughes | 44e3558 | 2004-04-21 15:52:33 +0000 | [diff] [blame] | 3631 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3632 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3633 | case VKI_PPCLAIM: |
| 3634 | case VKI_PPEXCL: |
| 3635 | case VKI_PPYIELD: |
| 3636 | case VKI_PPRELEASE: |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3637 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3638 | case VKI_PPSETMODE: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3639 | PRE_MEM_READ( "ioctl(PPSETMODE)", ARG3, sizeof(int) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3640 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3641 | case VKI_PPGETMODE: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3642 | PRE_MEM_WRITE( "ioctl(PPGETMODE)", ARG3, sizeof(int) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3643 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3644 | case VKI_PPSETPHASE: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3645 | PRE_MEM_READ( "ioctl(PPSETPHASE)", ARG3, sizeof(int) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3646 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3647 | case VKI_PPGETPHASE: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3648 | PRE_MEM_WRITE( "ioctl(PPGETPHASE)", ARG3, sizeof(int) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3649 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3650 | case VKI_PPGETMODES: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3651 | PRE_MEM_WRITE( "ioctl(PPGETMODES)", ARG3, sizeof(unsigned int) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3652 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3653 | case VKI_PPSETFLAGS: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3654 | PRE_MEM_READ( "ioctl(PPSETFLAGS)", ARG3, sizeof(int) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3655 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3656 | case VKI_PPGETFLAGS: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3657 | PRE_MEM_WRITE( "ioctl(PPGETFLAGS)", ARG3, sizeof(int) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3658 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3659 | case VKI_PPRSTATUS: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3660 | PRE_MEM_WRITE( "ioctl(PPRSTATUS)", ARG3, sizeof(unsigned char) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3661 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3662 | case VKI_PPRDATA: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3663 | PRE_MEM_WRITE( "ioctl(PPRDATA)", ARG3, sizeof(unsigned char) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3664 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3665 | case VKI_PPRCONTROL: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3666 | PRE_MEM_WRITE( "ioctl(PPRCONTROL)", ARG3, sizeof(unsigned char) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3667 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3668 | case VKI_PPWDATA: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3669 | PRE_MEM_READ( "ioctl(PPWDATA)", ARG3, sizeof(unsigned char) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3670 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3671 | case VKI_PPWCONTROL: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3672 | PRE_MEM_READ( "ioctl(PPWCONTROL)", ARG3, sizeof(unsigned char) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3673 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3674 | case VKI_PPFCONTROL: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3675 | PRE_MEM_READ( "ioctl(PPFCONTROL)", ARG3, 2 * sizeof(unsigned char) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3676 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3677 | case VKI_PPDATADIR: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3678 | PRE_MEM_READ( "ioctl(PPDATADIR)", ARG3, sizeof(int) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3679 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3680 | case VKI_PPNEGOT: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3681 | PRE_MEM_READ( "ioctl(PPNEGOT)", ARG3, sizeof(int) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3682 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3683 | case VKI_PPWCTLONIRQ: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3684 | PRE_MEM_READ( "ioctl(PPWCTLONIRQ)",ARG3, sizeof(unsigned char) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3685 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3686 | case VKI_PPCLRIRQ: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3687 | PRE_MEM_WRITE( "ioctl(PPCLRIRQ)", ARG3, sizeof(int) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3688 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3689 | case VKI_PPSETTIME: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3690 | PRE_MEM_READ( "ioctl(PPSETTIME)", ARG3, sizeof(struct vki_timeval) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3691 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3692 | case VKI_PPGETTIME: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3693 | PRE_MEM_WRITE( "ioctl(PPGETTIME)", ARG3, sizeof(struct vki_timeval) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3694 | break; |
| 3695 | |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3696 | case VKI_GIO_FONT: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3697 | PRE_MEM_WRITE( "ioctl(GIO_FONT)", ARG3, 32 * 256 ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3698 | break; |
| 3699 | case VKI_PIO_FONT: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3700 | PRE_MEM_READ( "ioctl(PIO_FONT)", ARG3, 32 * 256 ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3701 | break; |
| 3702 | |
| 3703 | case VKI_GIO_FONTX: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3704 | PRE_MEM_READ( "ioctl(GIO_FONTX)", ARG3, sizeof(struct vki_consolefontdesc) ); |
| 3705 | if ( ARG3 ) { |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3706 | /* ToDo: don't do any of the following if the structure is invalid */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3707 | struct vki_consolefontdesc *cfd = (struct vki_consolefontdesc *)ARG3; |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3708 | PRE_MEM_WRITE( "ioctl(GIO_FONTX).chardata", (Addr)cfd->chardata, |
| 3709 | 32 * cfd->charcount ); |
| 3710 | } |
| 3711 | break; |
| 3712 | case VKI_PIO_FONTX: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3713 | PRE_MEM_READ( "ioctl(PIO_FONTX)", ARG3, sizeof(struct vki_consolefontdesc) ); |
| 3714 | if ( ARG3 ) { |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3715 | /* ToDo: don't do any of the following if the structure is invalid */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3716 | struct vki_consolefontdesc *cfd = (struct vki_consolefontdesc *)ARG3; |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3717 | PRE_MEM_READ( "ioctl(PIO_FONTX).chardata", (Addr)cfd->chardata, |
| 3718 | 32 * cfd->charcount ); |
| 3719 | } |
| 3720 | break; |
| 3721 | |
| 3722 | case VKI_PIO_FONTRESET: |
| 3723 | break; |
| 3724 | |
| 3725 | case VKI_GIO_CMAP: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3726 | PRE_MEM_WRITE( "ioctl(GIO_CMAP)", ARG3, 16 * 3 ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3727 | break; |
| 3728 | case VKI_PIO_CMAP: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3729 | PRE_MEM_READ( "ioctl(PIO_CMAP)", ARG3, 16 * 3 ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3730 | break; |
| 3731 | |
| 3732 | case VKI_KIOCSOUND: |
| 3733 | case VKI_KDMKTONE: |
| 3734 | break; |
| 3735 | |
| 3736 | case VKI_KDGETLED: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3737 | PRE_MEM_WRITE( "ioctl(KDGETLED)", ARG3, sizeof(char) ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3738 | break; |
| 3739 | case VKI_KDSETLED: |
| 3740 | break; |
| 3741 | |
| 3742 | case VKI_KDGKBTYPE: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3743 | PRE_MEM_WRITE( "ioctl(KDGKBTYPE)", ARG3, sizeof(char) ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3744 | break; |
| 3745 | |
| 3746 | case VKI_KDADDIO: |
| 3747 | case VKI_KDDELIO: |
| 3748 | case VKI_KDENABIO: |
| 3749 | case VKI_KDDISABIO: |
| 3750 | break; |
| 3751 | |
| 3752 | case VKI_KDSETMODE: |
| 3753 | break; |
| 3754 | case VKI_KDGETMODE: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3755 | PRE_MEM_WRITE( "ioctl(KDGETMODE)", ARG3, sizeof(int) ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3756 | break; |
| 3757 | |
| 3758 | case VKI_KDMAPDISP: |
| 3759 | case VKI_KDUNMAPDISP: |
| 3760 | break; |
| 3761 | |
| 3762 | case VKI_GIO_SCRNMAP: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3763 | PRE_MEM_WRITE( "ioctl(GIO_SCRNMAP)", ARG3, VKI_E_TABSZ ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3764 | break; |
| 3765 | case VKI_PIO_SCRNMAP: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3766 | PRE_MEM_READ( "ioctl(PIO_SCRNMAP)", ARG3, VKI_E_TABSZ ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3767 | break; |
| 3768 | case VKI_GIO_UNISCRNMAP: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3769 | PRE_MEM_WRITE( "ioctl(GIO_UNISCRNMAP)", ARG3, |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3770 | VKI_E_TABSZ * sizeof(unsigned short) ); |
| 3771 | break; |
| 3772 | case VKI_PIO_UNISCRNMAP: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3773 | PRE_MEM_READ( "ioctl(PIO_UNISCRNMAP)", ARG3, |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3774 | VKI_E_TABSZ * sizeof(unsigned short) ); |
| 3775 | break; |
| 3776 | |
| 3777 | case VKI_KDGKBMODE: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3778 | PRE_MEM_WRITE( "ioctl(KDGKBMODE)", ARG3, sizeof(int) ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3779 | break; |
| 3780 | case VKI_KDSKBMODE: |
| 3781 | break; |
| 3782 | |
| 3783 | case VKI_KDGKBMETA: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3784 | PRE_MEM_WRITE( "ioctl(KDGKBMETA)", ARG3, sizeof(int) ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3785 | break; |
| 3786 | case VKI_KDSKBMETA: |
| 3787 | break; |
| 3788 | |
| 3789 | case VKI_KDGKBLED: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3790 | PRE_MEM_WRITE( "ioctl(KDGKBLED)", ARG3, sizeof(char) ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3791 | break; |
| 3792 | case VKI_KDSKBLED: |
| 3793 | break; |
| 3794 | |
| 3795 | case VKI_KDGKBENT: |
| 3796 | PRE_MEM_READ( "ioctl(KDGKBENT).kb_table", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3797 | (Addr)&((struct vki_kbentry *)ARG3)->kb_table, |
| 3798 | sizeof(((struct vki_kbentry *)ARG3)->kb_table) ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3799 | PRE_MEM_READ( "ioctl(KDGKBENT).kb_index", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3800 | (Addr)&((struct vki_kbentry *)ARG3)->kb_index, |
| 3801 | sizeof(((struct vki_kbentry *)ARG3)->kb_index) ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3802 | PRE_MEM_WRITE( "ioctl(KDGKBENT).kb_value", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3803 | (Addr)&((struct vki_kbentry *)ARG3)->kb_value, |
| 3804 | sizeof(((struct vki_kbentry *)ARG3)->kb_value) ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3805 | break; |
| 3806 | case VKI_KDSKBENT: |
| 3807 | PRE_MEM_READ( "ioctl(KDSKBENT).kb_table", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3808 | (Addr)&((struct vki_kbentry *)ARG3)->kb_table, |
| 3809 | sizeof(((struct vki_kbentry *)ARG3)->kb_table) ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3810 | PRE_MEM_READ( "ioctl(KDSKBENT).kb_index", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3811 | (Addr)&((struct vki_kbentry *)ARG3)->kb_index, |
| 3812 | sizeof(((struct vki_kbentry *)ARG3)->kb_index) ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3813 | PRE_MEM_READ( "ioctl(KDSKBENT).kb_value", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3814 | (Addr)&((struct vki_kbentry *)ARG3)->kb_value, |
| 3815 | sizeof(((struct vki_kbentry *)ARG3)->kb_value) ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3816 | break; |
| 3817 | |
| 3818 | case VKI_KDGKBSENT: |
| 3819 | PRE_MEM_READ( "ioctl(KDGKBSENT).kb_func", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3820 | (Addr)&((struct vki_kbsentry *)ARG3)->kb_func, |
| 3821 | sizeof(((struct vki_kbsentry *)ARG3)->kb_func) ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3822 | PRE_MEM_WRITE( "ioctl(KDGKSENT).kb_string", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3823 | (Addr)((struct vki_kbsentry *)ARG3)->kb_string, |
| 3824 | sizeof(((struct vki_kbsentry *)ARG3)->kb_string) ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3825 | break; |
| 3826 | case VKI_KDSKBSENT: |
| 3827 | PRE_MEM_READ( "ioctl(KDSKBSENT).kb_func", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3828 | (Addr)&((struct vki_kbsentry *)ARG3)->kb_func, |
| 3829 | sizeof(((struct vki_kbsentry *)ARG3)->kb_func) ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3830 | PRE_MEM_RASCIIZ( "ioctl(KDSKBSENT).kb_string", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3831 | (Addr)((struct vki_kbsentry *)ARG3)->kb_string ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3832 | break; |
| 3833 | |
| 3834 | case VKI_KDGKBDIACR: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3835 | PRE_MEM_WRITE( "ioctl(KDGKBDIACR)", ARG3, sizeof(struct vki_kbdiacrs) ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3836 | break; |
| 3837 | case VKI_KDSKBDIACR: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3838 | PRE_MEM_READ( "ioctl(KDSKBDIACR)", ARG3, sizeof(struct vki_kbdiacrs) ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3839 | break; |
| 3840 | |
| 3841 | case VKI_KDGETKEYCODE: |
| 3842 | PRE_MEM_READ( "ioctl(KDGETKEYCODE).scancode", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3843 | (Addr)&((struct vki_kbkeycode *)ARG3)->scancode, |
| 3844 | sizeof(((struct vki_kbkeycode *)ARG3)->scancode) ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3845 | PRE_MEM_WRITE( "ioctl(KDGETKEYCODE).keycode", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3846 | (Addr)((struct vki_kbkeycode *)ARG3)->keycode, |
| 3847 | sizeof(((struct vki_kbkeycode *)ARG3)->keycode) ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3848 | break; |
| 3849 | case VKI_KDSETKEYCODE: |
| 3850 | PRE_MEM_READ( "ioctl(KDSETKEYCODE).scancode", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3851 | (Addr)&((struct vki_kbkeycode *)ARG3)->scancode, |
| 3852 | sizeof(((struct vki_kbkeycode *)ARG3)->scancode) ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3853 | PRE_MEM_READ( "ioctl(KDSETKEYCODE).keycode", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3854 | (Addr)((struct vki_kbkeycode *)ARG3)->keycode, |
| 3855 | sizeof(((struct vki_kbkeycode *)ARG3)->keycode) ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3856 | break; |
| 3857 | |
| 3858 | case VKI_KDSIGACCEPT: |
| 3859 | break; |
| 3860 | |
| 3861 | case VKI_KDKBDREP: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3862 | PRE_MEM_READ( "ioctl(KBKBDREP)", ARG3, sizeof(struct vki_kbd_repeat) ); |
thughes | b3d3bcf | 2004-11-13 00:36:15 +0000 | [diff] [blame] | 3863 | break; |
| 3864 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3865 | /* We don't have any specific information on it, so |
| 3866 | try to do something reasonable based on direction and |
| 3867 | size bits. The encoding scheme is described in |
| 3868 | /usr/include/asm/ioctl.h. |
| 3869 | |
| 3870 | According to Simon Hausmann, _IOC_READ means the kernel |
| 3871 | writes a value to the ioctl value passed from the user |
| 3872 | space and the other way around with _IOC_WRITE. */ |
| 3873 | default: { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3874 | UInt dir = _VKI_IOC_DIR(ARG2); |
| 3875 | UInt size = _VKI_IOC_SIZE(ARG2); |
njn | 628add6 | 2005-11-12 18:21:40 +0000 | [diff] [blame] | 3876 | if (VG_(strstr)(VG_(clo_sim_hints), "lax-ioctls") != NULL) { |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3877 | /* |
| 3878 | * Be very lax about ioctl handling; the only |
| 3879 | * assumption is that the size is correct. Doesn't |
| 3880 | * require the full buffer to be initialized when |
| 3881 | * writing. Without this, using some device |
| 3882 | * drivers with a large number of strange ioctl |
| 3883 | * commands becomes very tiresome. |
| 3884 | */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3885 | } else if (/* size == 0 || */ dir == _VKI_IOC_NONE) { |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3886 | static Int moans = 3; |
sewardj | 1fa7d2c | 2005-06-13 18:22:17 +0000 | [diff] [blame] | 3887 | if (moans > 0 && !VG_(clo_xml)) { |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3888 | moans--; |
| 3889 | VG_(message)(Vg_UserMsg, |
| 3890 | "Warning: noted but unhandled ioctl 0x%x" |
| 3891 | " with no size/direction hints", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3892 | ARG2); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3893 | VG_(message)(Vg_UserMsg, |
| 3894 | " This could cause spurious value errors" |
| 3895 | " to appear."); |
| 3896 | VG_(message)(Vg_UserMsg, |
| 3897 | " See README_MISSING_SYSCALL_OR_IOCTL for " |
| 3898 | "guidance on writing a proper wrapper." ); |
| 3899 | } |
| 3900 | } else { |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3901 | if ((dir & _VKI_IOC_WRITE) && size > 0) |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3902 | PRE_MEM_READ( "ioctl(generic)", ARG3, size); |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3903 | if ((dir & _VKI_IOC_READ) && size > 0) |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3904 | PRE_MEM_WRITE( "ioctl(generic)", ARG3, size); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3905 | } |
| 3906 | break; |
| 3907 | } |
| 3908 | } |
| 3909 | } |
| 3910 | |
nethercote | 85a456f | 2004-11-16 17:31:56 +0000 | [diff] [blame] | 3911 | POST(sys_ioctl) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3912 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 3913 | vg_assert(SUCCESS); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3914 | switch (ARG2 /* request */) { |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3915 | case VKI_TCSETS: |
| 3916 | case VKI_TCSETSW: |
| 3917 | case VKI_TCSETSF: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3918 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3919 | case VKI_TCGETS: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3920 | POST_MEM_WRITE( ARG3, sizeof(struct vki_termios) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3921 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3922 | case VKI_TCSETA: |
| 3923 | case VKI_TCSETAW: |
| 3924 | case VKI_TCSETAF: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3925 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3926 | case VKI_TCGETA: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3927 | POST_MEM_WRITE( ARG3, sizeof(struct vki_termio) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3928 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3929 | case VKI_TCSBRK: |
| 3930 | case VKI_TCXONC: |
| 3931 | case VKI_TCSBRKP: |
| 3932 | case VKI_TCFLSH: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3933 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3934 | case VKI_TIOCGWINSZ: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3935 | POST_MEM_WRITE( ARG3, sizeof(struct vki_winsize) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3936 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3937 | case VKI_TIOCSWINSZ: |
| 3938 | case VKI_TIOCMBIS: |
| 3939 | case VKI_TIOCMBIC: |
| 3940 | case VKI_TIOCMSET: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3941 | break; |
tom | 62ba758 | 2005-07-28 16:26:34 +0000 | [diff] [blame] | 3942 | case VKI_TIOCMGET: |
| 3943 | POST_MEM_WRITE( ARG3, sizeof(unsigned int) ); |
| 3944 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3945 | case VKI_TIOCLINUX: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3946 | POST_MEM_WRITE( ARG3, sizeof(char *) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3947 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3948 | case VKI_TIOCGPGRP: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3949 | /* Get process group ID for foreground processing group. */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3950 | POST_MEM_WRITE( ARG3, sizeof(vki_pid_t) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3951 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3952 | case VKI_TIOCSPGRP: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3953 | /* Set a process group ID? */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3954 | POST_MEM_WRITE( ARG3, sizeof(vki_pid_t) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3955 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3956 | case VKI_TIOCGPTN: /* Get Pty Number (of pty-mux device) */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3957 | POST_MEM_WRITE( ARG3, sizeof(int)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3958 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3959 | case VKI_TIOCSCTTY: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3960 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3961 | case VKI_TIOCSPTLCK: /* Lock/unlock Pty */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3962 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3963 | case VKI_FIONBIO: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3964 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3965 | case VKI_FIOASYNC: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3966 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3967 | case VKI_FIONREAD: /* identical to SIOCINQ */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3968 | POST_MEM_WRITE( ARG3, sizeof(int) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3969 | break; |
| 3970 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3971 | case VKI_SG_SET_COMMAND_Q: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3972 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3973 | case VKI_SG_IO: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3974 | POST_MEM_WRITE(ARG3, sizeof(vki_sg_io_hdr_t)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3975 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3976 | case VKI_SG_GET_SCSI_ID: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3977 | POST_MEM_WRITE(ARG3, sizeof(vki_sg_scsi_id_t)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3978 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3979 | case VKI_SG_SET_RESERVED_SIZE: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3980 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3981 | case VKI_SG_SET_TIMEOUT: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3982 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3983 | case VKI_SG_GET_RESERVED_SIZE: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3984 | POST_MEM_WRITE(ARG3, sizeof(int)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3985 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3986 | case VKI_SG_GET_TIMEOUT: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3987 | POST_MEM_WRITE(ARG3, sizeof(int)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3988 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3989 | case VKI_SG_GET_VERSION_NUM: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3990 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3991 | case VKI_SG_EMULATED_HOST: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3992 | POST_MEM_WRITE(ARG3, sizeof(int)); |
thughes | 5b788fb | 2004-09-11 15:07:14 +0000 | [diff] [blame] | 3993 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 3994 | case VKI_SG_GET_SG_TABLESIZE: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3995 | POST_MEM_WRITE(ARG3, sizeof(int)); |
thughes | 5b788fb | 2004-09-11 15:07:14 +0000 | [diff] [blame] | 3996 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3997 | |
mueller | a4b153a | 2003-11-19 22:07:14 +0000 | [diff] [blame] | 3998 | case VKI_IIOCGETCPS: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 3999 | POST_MEM_WRITE( ARG3, VKI_ISDN_MAX_CHANNELS * 2 * sizeof(unsigned long) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4000 | break; |
mueller | a4b153a | 2003-11-19 22:07:14 +0000 | [diff] [blame] | 4001 | case VKI_IIOCNETGPN: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4002 | POST_MEM_WRITE( ARG3, sizeof(vki_isdn_net_ioctl_phone) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4003 | break; |
| 4004 | |
| 4005 | /* These all use struct ifreq AFAIK */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4006 | case VKI_SIOCGIFINDEX: /* get iface index */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4007 | POST_MEM_WRITE( (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_ifindex, |
| 4008 | sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_ifindex) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 4009 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4010 | case VKI_SIOCGIFFLAGS: /* get flags */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4011 | POST_MEM_WRITE( (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_flags, |
| 4012 | sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_flags) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 4013 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4014 | case VKI_SIOCGIFHWADDR: /* Get hardware address */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4015 | POST_MEM_WRITE( (Addr)&((struct vki_ifreq *)ARG3)->ifr_hwaddr, |
| 4016 | sizeof(((struct vki_ifreq *)ARG3)->ifr_hwaddr) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 4017 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4018 | case VKI_SIOCGIFMTU: /* get MTU size */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4019 | POST_MEM_WRITE( (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_mtu, |
| 4020 | sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_mtu) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 4021 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4022 | case VKI_SIOCGIFADDR: /* get PA address */ |
| 4023 | case VKI_SIOCGIFDSTADDR: /* get remote PA address */ |
| 4024 | case VKI_SIOCGIFBRDADDR: /* get broadcast PA address */ |
| 4025 | case VKI_SIOCGIFNETMASK: /* get network PA mask */ |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 4026 | POST_MEM_WRITE( |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4027 | (Addr)&((struct vki_ifreq *)ARG3)->ifr_addr, |
| 4028 | sizeof(((struct vki_ifreq *)ARG3)->ifr_addr) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 4029 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4030 | case VKI_SIOCGIFMETRIC: /* get metric */ |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 4031 | POST_MEM_WRITE( |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4032 | (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_metric, |
| 4033 | sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_metric) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 4034 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4035 | case VKI_SIOCGIFMAP: /* Get device parameters */ |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 4036 | POST_MEM_WRITE( |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4037 | (Addr)&((struct vki_ifreq *)ARG3)->ifr_map, |
| 4038 | sizeof(((struct vki_ifreq *)ARG3)->ifr_map) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 4039 | break; |
| 4040 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4041 | case VKI_SIOCGIFTXQLEN: /* Get the tx queue length */ |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 4042 | POST_MEM_WRITE( |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4043 | (Addr)&((struct vki_ifreq *)ARG3)->ifr_qlen, |
| 4044 | sizeof(((struct vki_ifreq *)ARG3)->ifr_qlen) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 4045 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4046 | case VKI_SIOCGIFNAME: /* get iface name */ |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 4047 | POST_MEM_WRITE( |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4048 | (Addr)&((struct vki_ifreq *)ARG3)->vki_ifr_name, |
| 4049 | sizeof(((struct vki_ifreq *)ARG3)->vki_ifr_name) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4050 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4051 | case VKI_SIOCGMIIPHY: /* get hardware entry */ |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 4052 | POST_MEM_WRITE( |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4053 | (Addr)&((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->phy_id, |
| 4054 | sizeof(((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->phy_id) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 4055 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4056 | case VKI_SIOCGMIIREG: /* get hardware entry registers */ |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 4057 | POST_MEM_WRITE( |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4058 | (Addr)&((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->val_out, |
| 4059 | sizeof(((struct vki_mii_ioctl_data *)&((struct vki_ifreq *)ARG3)->vki_ifr_data)->val_out) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 4060 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4061 | case VKI_SIOCGIFCONF: /* get iface list */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4062 | /* WAS: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4063 | PRE_MEM_WRITE("ioctl(SIOCGIFCONF)", ARG3, sizeof(struct ifconf)); |
| 4064 | KERNEL_DO_SYSCALL(tid,RES); |
| 4065 | if (!VG_(is_kerror)(RES) && RES == 0) |
| 4066 | POST_MEM_WRITE(ARG3, sizeof(struct ifconf)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4067 | */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4068 | if (RES == 0 && ARG3 ) { |
| 4069 | struct vki_ifconf *ifc = (struct vki_ifconf *) ARG3; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4070 | if (ifc->vki_ifc_buf != NULL) |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 4071 | POST_MEM_WRITE( (Addr)(ifc->vki_ifc_buf), ifc->ifc_len ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4072 | } |
| 4073 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4074 | case VKI_SIOCGSTAMP: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4075 | POST_MEM_WRITE( ARG3, sizeof(struct vki_timeval) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4076 | break; |
| 4077 | /* SIOCOUTQ is an ioctl that, when called on a socket, returns |
| 4078 | the number of bytes currently in that socket's send buffer. |
| 4079 | It writes this value as an int to the memory location |
| 4080 | indicated by the third argument of ioctl(2). */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4081 | case VKI_SIOCOUTQ: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4082 | POST_MEM_WRITE(ARG3, sizeof(int)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4083 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4084 | case VKI_SIOCGRARP: /* get RARP table entry */ |
| 4085 | case VKI_SIOCGARP: /* get ARP table entry */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4086 | POST_MEM_WRITE(ARG3, sizeof(struct vki_arpreq)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4087 | break; |
| 4088 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4089 | case VKI_SIOCSIFFLAGS: /* set flags */ |
| 4090 | case VKI_SIOCSIFMAP: /* Set device parameters */ |
| 4091 | case VKI_SIOCSIFTXQLEN: /* Set the tx queue length */ |
| 4092 | case VKI_SIOCSIFDSTADDR: /* set remote PA address */ |
| 4093 | case VKI_SIOCSIFBRDADDR: /* set broadcast PA address */ |
| 4094 | case VKI_SIOCSIFNETMASK: /* set network PA mask */ |
| 4095 | case VKI_SIOCSIFMETRIC: /* set metric */ |
| 4096 | case VKI_SIOCSIFADDR: /* set PA address */ |
| 4097 | case VKI_SIOCSIFMTU: /* set MTU size */ |
| 4098 | case VKI_SIOCSIFHWADDR: /* set hardware address */ |
| 4099 | case VKI_SIOCSMIIREG: /* set hardware entry registers */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4100 | break; |
| 4101 | /* Routing table calls. */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4102 | case VKI_SIOCADDRT: /* add routing table entry */ |
| 4103 | case VKI_SIOCDELRT: /* delete routing table entry */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4104 | break; |
| 4105 | |
| 4106 | /* RARP cache control calls. */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4107 | case VKI_SIOCDRARP: /* delete RARP table entry */ |
| 4108 | case VKI_SIOCSRARP: /* set RARP table entry */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4109 | /* ARP cache control calls. */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4110 | case VKI_SIOCSARP: /* set ARP table entry */ |
| 4111 | case VKI_SIOCDARP: /* delete ARP table entry */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4112 | break; |
| 4113 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4114 | case VKI_SIOCGPGRP: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4115 | POST_MEM_WRITE(ARG3, sizeof(int)); |
thughes | 1174fed | 2004-09-11 15:33:17 +0000 | [diff] [blame] | 4116 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4117 | case VKI_SIOCSPGRP: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4118 | break; |
| 4119 | |
| 4120 | /* linux/soundcard interface (OSS) */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4121 | case VKI_SNDCTL_SEQ_GETOUTCOUNT: |
| 4122 | case VKI_SNDCTL_SEQ_GETINCOUNT: |
| 4123 | case VKI_SNDCTL_SEQ_PERCMODE: |
| 4124 | case VKI_SNDCTL_SEQ_TESTMIDI: |
| 4125 | case VKI_SNDCTL_SEQ_RESETSAMPLES: |
| 4126 | case VKI_SNDCTL_SEQ_NRSYNTHS: |
| 4127 | case VKI_SNDCTL_SEQ_NRMIDIS: |
| 4128 | case VKI_SNDCTL_SEQ_GETTIME: |
| 4129 | case VKI_SNDCTL_DSP_GETFMTS: |
| 4130 | case VKI_SNDCTL_DSP_GETTRIGGER: |
| 4131 | case VKI_SNDCTL_DSP_GETODELAY: |
| 4132 | case VKI_SNDCTL_DSP_GETSPDIF: |
| 4133 | case VKI_SNDCTL_DSP_GETCAPS: |
| 4134 | case VKI_SOUND_PCM_READ_RATE: |
| 4135 | case VKI_SOUND_PCM_READ_CHANNELS: |
| 4136 | case VKI_SOUND_PCM_READ_BITS: |
cerion | 85665ca | 2005-06-20 15:51:07 +0000 | [diff] [blame] | 4137 | #if !defined(VGA_ppc32) |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4138 | case (VKI_SOUND_PCM_READ_BITS|0x40000000): /* what the fuck ? */ |
cerion | 85665ca | 2005-06-20 15:51:07 +0000 | [diff] [blame] | 4139 | #endif |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4140 | case VKI_SOUND_PCM_READ_FILTER: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4141 | POST_MEM_WRITE(ARG3, sizeof(int)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4142 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4143 | case VKI_SNDCTL_SEQ_CTRLRATE: |
| 4144 | case VKI_SNDCTL_DSP_SPEED: |
| 4145 | case VKI_SNDCTL_DSP_STEREO: |
| 4146 | case VKI_SNDCTL_DSP_GETBLKSIZE: |
| 4147 | case VKI_SNDCTL_DSP_CHANNELS: |
| 4148 | case VKI_SOUND_PCM_WRITE_FILTER: |
| 4149 | case VKI_SNDCTL_DSP_SUBDIVIDE: |
| 4150 | case VKI_SNDCTL_DSP_SETFRAGMENT: |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4151 | case VKI_SNDCTL_DSP_GETCHANNELMASK: |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4152 | case VKI_SNDCTL_DSP_BIND_CHANNEL: |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4153 | case VKI_SNDCTL_TMR_TIMEBASE: |
| 4154 | case VKI_SNDCTL_TMR_TEMPO: |
| 4155 | case VKI_SNDCTL_TMR_SOURCE: |
| 4156 | case VKI_SNDCTL_MIDI_PRETIME: |
| 4157 | case VKI_SNDCTL_MIDI_MPUMODE: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4158 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4159 | case VKI_SNDCTL_DSP_GETOSPACE: |
| 4160 | case VKI_SNDCTL_DSP_GETISPACE: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4161 | POST_MEM_WRITE(ARG3, sizeof(vki_audio_buf_info)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4162 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4163 | case VKI_SNDCTL_DSP_SETTRIGGER: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4164 | break; |
| 4165 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4166 | case VKI_SNDCTL_DSP_POST: |
| 4167 | case VKI_SNDCTL_DSP_RESET: |
| 4168 | case VKI_SNDCTL_DSP_SYNC: |
| 4169 | case VKI_SNDCTL_DSP_SETSYNCRO: |
| 4170 | case VKI_SNDCTL_DSP_SETDUPLEX: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4171 | break; |
| 4172 | |
tom | 2f93288 | 2005-11-14 17:03:54 +0000 | [diff] [blame] | 4173 | /* linux/soundcard interface (ALSA) */ |
| 4174 | case VKI_SNDRV_PCM_IOCTL_HW_FREE: |
| 4175 | case VKI_SNDRV_PCM_IOCTL_HWSYNC: |
| 4176 | case VKI_SNDRV_PCM_IOCTL_PREPARE: |
| 4177 | case VKI_SNDRV_PCM_IOCTL_RESET: |
| 4178 | case VKI_SNDRV_PCM_IOCTL_START: |
| 4179 | case VKI_SNDRV_PCM_IOCTL_DROP: |
| 4180 | case VKI_SNDRV_PCM_IOCTL_DRAIN: |
| 4181 | case VKI_SNDRV_PCM_IOCTL_RESUME: |
| 4182 | case VKI_SNDRV_PCM_IOCTL_XRUN: |
| 4183 | case VKI_SNDRV_PCM_IOCTL_UNLINK: |
| 4184 | case VKI_SNDRV_TIMER_IOCTL_START: |
| 4185 | case VKI_SNDRV_TIMER_IOCTL_STOP: |
| 4186 | case VKI_SNDRV_TIMER_IOCTL_CONTINUE: |
| 4187 | case VKI_SNDRV_TIMER_IOCTL_PAUSE: |
| 4188 | break; |
| 4189 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4190 | /* Real Time Clock (/dev/rtc) ioctls */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4191 | case VKI_RTC_UIE_ON: |
| 4192 | case VKI_RTC_UIE_OFF: |
| 4193 | case VKI_RTC_AIE_ON: |
| 4194 | case VKI_RTC_AIE_OFF: |
| 4195 | case VKI_RTC_PIE_ON: |
| 4196 | case VKI_RTC_PIE_OFF: |
| 4197 | case VKI_RTC_IRQP_SET: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4198 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4199 | case VKI_RTC_RD_TIME: |
| 4200 | case VKI_RTC_ALM_READ: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4201 | POST_MEM_WRITE(ARG3, sizeof(struct vki_rtc_time)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4202 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4203 | case VKI_RTC_ALM_SET: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4204 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4205 | case VKI_RTC_IRQP_READ: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4206 | POST_MEM_WRITE(ARG3, sizeof(unsigned long)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4207 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4208 | |
tom | eafc49b | 2005-07-28 16:08:09 +0000 | [diff] [blame] | 4209 | /* Block devices */ |
| 4210 | case VKI_BLKROSET: |
| 4211 | break; |
| 4212 | case VKI_BLKROGET: |
| 4213 | POST_MEM_WRITE(ARG3, sizeof(int)); |
| 4214 | break; |
nethercote | 95a9786 | 2004-11-06 16:31:43 +0000 | [diff] [blame] | 4215 | case VKI_BLKGETSIZE: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4216 | POST_MEM_WRITE(ARG3, sizeof(unsigned long)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4217 | break; |
tom | eafc49b | 2005-07-28 16:08:09 +0000 | [diff] [blame] | 4218 | case VKI_BLKRASET: |
| 4219 | break; |
| 4220 | case VKI_BLKRAGET: |
| 4221 | POST_MEM_WRITE(ARG3, sizeof(long)); |
| 4222 | break; |
| 4223 | case VKI_BLKFRASET: |
| 4224 | break; |
| 4225 | case VKI_BLKFRAGET: |
| 4226 | POST_MEM_WRITE(ARG3, sizeof(long)); |
| 4227 | break; |
| 4228 | case VKI_BLKSECTGET: |
| 4229 | POST_MEM_WRITE(ARG3, sizeof(unsigned short)); |
| 4230 | break; |
| 4231 | case VKI_BLKSSZGET: |
| 4232 | POST_MEM_WRITE(ARG3, sizeof(int)); |
| 4233 | break; |
| 4234 | case VKI_BLKBSZGET: |
| 4235 | POST_MEM_WRITE(ARG3, sizeof(int)); |
| 4236 | break; |
| 4237 | case VKI_BLKBSZSET: |
| 4238 | break; |
tom | d655564 | 2005-07-18 13:26:55 +0000 | [diff] [blame] | 4239 | case VKI_BLKGETSIZE64: |
| 4240 | POST_MEM_WRITE(ARG3, sizeof(unsigned long long)); |
| 4241 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4242 | |
thughes | acbbc32 | 2004-06-19 12:12:01 +0000 | [diff] [blame] | 4243 | /* Hard disks */ |
tom | 2c2bc25 | 2005-07-28 16:13:42 +0000 | [diff] [blame] | 4244 | case VKI_HDIO_GETGEO: /* 0x0301 */ |
| 4245 | POST_MEM_WRITE(ARG3, sizeof(struct vki_hd_geometry)); |
| 4246 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4247 | case VKI_HDIO_GET_IDENTITY: /* 0x030d */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4248 | POST_MEM_WRITE(ARG3, VKI_SIZEOF_STRUCT_HD_DRIVEID ); |
thughes | acbbc32 | 2004-06-19 12:12:01 +0000 | [diff] [blame] | 4249 | break; |
| 4250 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4251 | /* CD ROM stuff (??) */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4252 | case VKI_CDROMSUBCHNL: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4253 | POST_MEM_WRITE(ARG3, sizeof(struct vki_cdrom_subchnl)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4254 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4255 | case VKI_CDROMREADTOCHDR: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4256 | POST_MEM_WRITE(ARG3, sizeof(struct vki_cdrom_tochdr)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4257 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4258 | case VKI_CDROMREADTOCENTRY: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4259 | POST_MEM_WRITE(ARG3, sizeof(struct vki_cdrom_tochdr)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4260 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4261 | case VKI_CDROMMULTISESSION: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4262 | POST_MEM_WRITE(ARG3, sizeof(struct vki_cdrom_multisession)); |
thughes | 5b788fb | 2004-09-11 15:07:14 +0000 | [diff] [blame] | 4263 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4264 | case VKI_CDROMVOLREAD: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4265 | POST_MEM_WRITE(ARG3, sizeof(struct vki_cdrom_volctrl)); |
thughes | 5b788fb | 2004-09-11 15:07:14 +0000 | [diff] [blame] | 4266 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4267 | case VKI_CDROMREADAUDIO: |
thughes | 5b788fb | 2004-09-11 15:07:14 +0000 | [diff] [blame] | 4268 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4269 | struct vki_cdrom_read_audio *cra = (struct vki_cdrom_read_audio *) ARG3; |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 4270 | POST_MEM_WRITE( (Addr)(cra->buf), cra->nframes * VKI_CD_FRAMESIZE_RAW); |
thughes | 5b788fb | 2004-09-11 15:07:14 +0000 | [diff] [blame] | 4271 | break; |
| 4272 | } |
| 4273 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4274 | case VKI_CDROMPLAYMSF: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4275 | break; |
| 4276 | /* The following two are probably bogus (should check args |
| 4277 | for readability). JRS 20021117 */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4278 | case VKI_CDROM_DRIVE_STATUS: /* 0x5326 */ |
| 4279 | case VKI_CDROM_CLEAR_OPTIONS: /* 0x5321 */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4280 | break; |
| 4281 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4282 | case VKI_FIGETBSZ: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4283 | POST_MEM_WRITE(ARG3, sizeof(unsigned long)); |
thughes | 66d8009 | 2004-06-19 12:41:05 +0000 | [diff] [blame] | 4284 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4285 | case VKI_FIBMAP: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4286 | POST_MEM_WRITE(ARG3, sizeof(unsigned long)); |
thughes | 66d8009 | 2004-06-19 12:41:05 +0000 | [diff] [blame] | 4287 | break; |
| 4288 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4289 | case VKI_FBIOGET_VSCREENINFO: //0x4600 |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4290 | POST_MEM_WRITE(ARG3, sizeof(struct vki_fb_var_screeninfo)); |
thughes | 44e3558 | 2004-04-21 15:52:33 +0000 | [diff] [blame] | 4291 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4292 | case VKI_FBIOGET_FSCREENINFO: //0x4602 |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4293 | POST_MEM_WRITE(ARG3, sizeof(struct vki_fb_fix_screeninfo)); |
thughes | 44e3558 | 2004-04-21 15:52:33 +0000 | [diff] [blame] | 4294 | break; |
| 4295 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4296 | case VKI_PPCLAIM: |
| 4297 | case VKI_PPEXCL: |
| 4298 | case VKI_PPYIELD: |
| 4299 | case VKI_PPRELEASE: |
| 4300 | case VKI_PPSETMODE: |
| 4301 | case VKI_PPSETPHASE: |
| 4302 | case VKI_PPSETFLAGS: |
| 4303 | case VKI_PPWDATA: |
| 4304 | case VKI_PPWCONTROL: |
| 4305 | case VKI_PPFCONTROL: |
| 4306 | case VKI_PPDATADIR: |
| 4307 | case VKI_PPNEGOT: |
| 4308 | case VKI_PPWCTLONIRQ: |
| 4309 | case VKI_PPSETTIME: |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 4310 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4311 | case VKI_PPGETMODE: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4312 | POST_MEM_WRITE( ARG3, sizeof(int) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 4313 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4314 | case VKI_PPGETPHASE: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4315 | POST_MEM_WRITE( ARG3, sizeof(int) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 4316 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4317 | case VKI_PPGETMODES: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4318 | POST_MEM_WRITE( ARG3, sizeof(unsigned int) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 4319 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4320 | case VKI_PPGETFLAGS: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4321 | POST_MEM_WRITE( ARG3, sizeof(int) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 4322 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4323 | case VKI_PPRSTATUS: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4324 | POST_MEM_WRITE( ARG3, sizeof(unsigned char) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 4325 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4326 | case VKI_PPRDATA: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4327 | POST_MEM_WRITE( ARG3, sizeof(unsigned char) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 4328 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4329 | case VKI_PPRCONTROL: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4330 | POST_MEM_WRITE( ARG3, sizeof(unsigned char) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 4331 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4332 | case VKI_PPCLRIRQ: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4333 | POST_MEM_WRITE( ARG3, sizeof(int) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 4334 | break; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4335 | case VKI_PPGETTIME: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4336 | POST_MEM_WRITE( ARG3, sizeof(struct vki_timeval) ); |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 4337 | break; |
| 4338 | |
thughes | c3b842d | 2004-11-13 10:38:04 +0000 | [diff] [blame] | 4339 | case VKI_GIO_FONT: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4340 | POST_MEM_WRITE( ARG3, 32 * 256 ); |
thughes | c3b842d | 2004-11-13 10:38:04 +0000 | [diff] [blame] | 4341 | break; |
| 4342 | case VKI_PIO_FONT: |
| 4343 | break; |
| 4344 | |
| 4345 | case VKI_GIO_FONTX: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4346 | POST_MEM_WRITE( (Addr)((struct vki_consolefontdesc *)ARG3)->chardata, |
| 4347 | 32 * ((struct vki_consolefontdesc *)ARG3)->charcount ); |
thughes | c3b842d | 2004-11-13 10:38:04 +0000 | [diff] [blame] | 4348 | break; |
| 4349 | case VKI_PIO_FONTX: |
| 4350 | break; |
| 4351 | |
| 4352 | case VKI_PIO_FONTRESET: |
| 4353 | break; |
| 4354 | |
| 4355 | case VKI_GIO_CMAP: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4356 | POST_MEM_WRITE( ARG3, 16 * 3 ); |
thughes | c3b842d | 2004-11-13 10:38:04 +0000 | [diff] [blame] | 4357 | break; |
| 4358 | case VKI_PIO_CMAP: |
| 4359 | break; |
| 4360 | |
| 4361 | case VKI_KIOCSOUND: |
| 4362 | case VKI_KDMKTONE: |
| 4363 | break; |
| 4364 | |
| 4365 | case VKI_KDGETLED: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4366 | POST_MEM_WRITE( ARG3, sizeof(char) ); |
thughes | c3b842d | 2004-11-13 10:38:04 +0000 | [diff] [blame] | 4367 | break; |
| 4368 | case VKI_KDSETLED: |
| 4369 | break; |
| 4370 | |
| 4371 | case VKI_KDGKBTYPE: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4372 | POST_MEM_WRITE( ARG3, sizeof(char) ); |
thughes | c3b842d | 2004-11-13 10:38:04 +0000 | [diff] [blame] | 4373 | break; |
| 4374 | |
| 4375 | case VKI_KDADDIO: |
| 4376 | case VKI_KDDELIO: |
| 4377 | case VKI_KDENABIO: |
| 4378 | case VKI_KDDISABIO: |
| 4379 | break; |
| 4380 | |
| 4381 | case VKI_KDSETMODE: |
| 4382 | break; |
| 4383 | case VKI_KDGETMODE: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4384 | POST_MEM_WRITE( ARG3, sizeof(int) ); |
thughes | c3b842d | 2004-11-13 10:38:04 +0000 | [diff] [blame] | 4385 | break; |
| 4386 | |
| 4387 | case VKI_KDMAPDISP: |
| 4388 | case VKI_KDUNMAPDISP: |
| 4389 | break; |
| 4390 | |
| 4391 | case VKI_GIO_SCRNMAP: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4392 | POST_MEM_WRITE( ARG3, VKI_E_TABSZ ); |
thughes | c3b842d | 2004-11-13 10:38:04 +0000 | [diff] [blame] | 4393 | break; |
| 4394 | case VKI_PIO_SCRNMAP: |
| 4395 | break; |
| 4396 | case VKI_GIO_UNISCRNMAP: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4397 | POST_MEM_WRITE( ARG3, VKI_E_TABSZ * sizeof(unsigned short) ); |
thughes | c3b842d | 2004-11-13 10:38:04 +0000 | [diff] [blame] | 4398 | break; |
| 4399 | case VKI_PIO_UNISCRNMAP: |
| 4400 | break; |
| 4401 | |
| 4402 | case VKI_KDGKBMODE: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4403 | POST_MEM_WRITE( ARG3, sizeof(int) ); |
thughes | c3b842d | 2004-11-13 10:38:04 +0000 | [diff] [blame] | 4404 | break; |
| 4405 | case VKI_KDSKBMODE: |
| 4406 | break; |
| 4407 | |
| 4408 | case VKI_KDGKBMETA: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4409 | POST_MEM_WRITE( ARG3, sizeof(int) ); |
thughes | c3b842d | 2004-11-13 10:38:04 +0000 | [diff] [blame] | 4410 | break; |
| 4411 | case VKI_KDSKBMETA: |
| 4412 | break; |
| 4413 | |
| 4414 | case VKI_KDGKBLED: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4415 | POST_MEM_WRITE( ARG3, sizeof(char) ); |
thughes | c3b842d | 2004-11-13 10:38:04 +0000 | [diff] [blame] | 4416 | break; |
| 4417 | case VKI_KDSKBLED: |
| 4418 | break; |
| 4419 | |
| 4420 | case VKI_KDGKBENT: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4421 | POST_MEM_WRITE( (Addr)&((struct vki_kbentry *)ARG3)->kb_value, |
| 4422 | sizeof(((struct vki_kbentry *)ARG3)->kb_value) ); |
thughes | c3b842d | 2004-11-13 10:38:04 +0000 | [diff] [blame] | 4423 | break; |
| 4424 | case VKI_KDSKBENT: |
| 4425 | break; |
| 4426 | |
| 4427 | case VKI_KDGKBSENT: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4428 | POST_MEM_WRITE( (Addr)((struct vki_kbsentry *)ARG3)->kb_string, |
| 4429 | sizeof(((struct vki_kbsentry *)ARG3)->kb_string) ); |
thughes | c3b842d | 2004-11-13 10:38:04 +0000 | [diff] [blame] | 4430 | break; |
| 4431 | case VKI_KDSKBSENT: |
| 4432 | break; |
| 4433 | |
| 4434 | case VKI_KDGKBDIACR: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4435 | POST_MEM_WRITE( ARG3, sizeof(struct vki_kbdiacrs) ); |
thughes | c3b842d | 2004-11-13 10:38:04 +0000 | [diff] [blame] | 4436 | break; |
| 4437 | case VKI_KDSKBDIACR: |
| 4438 | break; |
| 4439 | |
| 4440 | case VKI_KDGETKEYCODE: |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4441 | POST_MEM_WRITE( (Addr)((struct vki_kbkeycode *)ARG3)->keycode, |
| 4442 | sizeof(((struct vki_kbkeycode *)ARG3)->keycode) ); |
thughes | c3b842d | 2004-11-13 10:38:04 +0000 | [diff] [blame] | 4443 | break; |
| 4444 | case VKI_KDSETKEYCODE: |
| 4445 | break; |
| 4446 | |
| 4447 | case VKI_KDSIGACCEPT: |
| 4448 | break; |
| 4449 | |
| 4450 | case VKI_KDKBDREP: |
| 4451 | break; |
| 4452 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4453 | /* We don't have any specific information on it, so |
| 4454 | try to do something reasonable based on direction and |
| 4455 | size bits. The encoding scheme is described in |
| 4456 | /usr/include/asm/ioctl.h. |
| 4457 | |
| 4458 | According to Simon Hausmann, _IOC_READ means the kernel |
| 4459 | writes a value to the ioctl value passed from the user |
| 4460 | space and the other way around with _IOC_WRITE. */ |
| 4461 | default: { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4462 | UInt dir = _VKI_IOC_DIR(ARG2); |
| 4463 | UInt size = _VKI_IOC_SIZE(ARG2); |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4464 | if (size > 0 && (dir & _VKI_IOC_READ) |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4465 | && RES == 0 |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4466 | && ARG3 != (Addr)NULL) |
| 4467 | POST_MEM_WRITE(ARG3, size); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4468 | break; |
| 4469 | } |
| 4470 | } |
| 4471 | } |
| 4472 | |
njn | 03f1e58 | 2005-03-26 20:08:06 +0000 | [diff] [blame] | 4473 | /* |
| 4474 | If we're sending a SIGKILL to one of our own threads, then simulate |
| 4475 | it rather than really sending the signal, so that the target thread |
| 4476 | gets a chance to clean up. Returns True if we did the killing (or |
| 4477 | no killing is necessary), and False if the caller should use the |
| 4478 | normal kill syscall. |
| 4479 | |
| 4480 | "pid" is any pid argument which can be passed to kill; group kills |
| 4481 | (< -1, 0), and owner kills (-1) are ignored, on the grounds that |
| 4482 | they'll most likely hit all the threads and we won't need to worry |
| 4483 | about cleanup. In truth, we can't fully emulate these multicast |
| 4484 | kills. |
| 4485 | |
| 4486 | "tgid" is a thread group id. If it is not -1, then the target |
| 4487 | thread must be in that thread group. |
| 4488 | */ |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 4489 | Bool ML_(do_sigkill)(Int pid, Int tgid) |
njn | 03f1e58 | 2005-03-26 20:08:06 +0000 | [diff] [blame] | 4490 | { |
| 4491 | ThreadState *tst; |
| 4492 | ThreadId tid; |
| 4493 | |
| 4494 | if (pid <= 0) |
| 4495 | return False; |
| 4496 | |
| 4497 | tid = VG_(get_lwp_tid)(pid); |
| 4498 | if (tid == VG_INVALID_THREADID) |
| 4499 | return False; /* none of our threads */ |
| 4500 | |
| 4501 | tst = VG_(get_ThreadState)(tid); |
| 4502 | if (tst == NULL || tst->status == VgTs_Empty) |
| 4503 | return False; /* hm, shouldn't happen */ |
| 4504 | |
| 4505 | if (tgid != -1 && tst->os_state.threadgroup != tgid) |
| 4506 | return False; /* not the right thread group */ |
| 4507 | |
| 4508 | /* Check to see that the target isn't already exiting. */ |
| 4509 | if (!VG_(is_exiting)(tid)) { |
| 4510 | if (VG_(clo_trace_signals)) |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4511 | VG_(message)(Vg_DebugMsg, "Thread %d being killed with SIGKILL", |
| 4512 | tst->tid); |
njn | 03f1e58 | 2005-03-26 20:08:06 +0000 | [diff] [blame] | 4513 | |
| 4514 | tst->exitreason = VgSrc_FatalSig; |
| 4515 | tst->os_state.fatalsig = VKI_SIGKILL; |
| 4516 | |
| 4517 | if (!VG_(is_running_thread)(tid)) |
| 4518 | VG_(kill_thread)(tid); |
| 4519 | } |
| 4520 | |
| 4521 | return True; |
| 4522 | } |
| 4523 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4524 | PRE(sys_kill) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4525 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4526 | PRINT("sys_kill ( %d, %d )", ARG1,ARG2); |
nethercote | 9a3beb9 | 2004-11-12 17:07:26 +0000 | [diff] [blame] | 4527 | PRE_REG_READ2(long, "kill", int, pid, int, sig); |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 4528 | if (!ML_(client_signal_OK)(ARG2)) { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4529 | SET_STATUS_Failure( VKI_EINVAL ); |
njn | 03f1e58 | 2005-03-26 20:08:06 +0000 | [diff] [blame] | 4530 | return; |
| 4531 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4532 | |
njn | 03f1e58 | 2005-03-26 20:08:06 +0000 | [diff] [blame] | 4533 | /* If we're sending SIGKILL, check to see if the target is one of |
| 4534 | our threads and handle it specially. */ |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 4535 | if (ARG2 == VKI_SIGKILL && ML_(do_sigkill)(ARG1, -1)) |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4536 | SET_STATUS_Success(0); |
njn | 03f1e58 | 2005-03-26 20:08:06 +0000 | [diff] [blame] | 4537 | else |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4538 | SET_STATUS_from_SysRes( VG_(do_syscall2)(SYSNO, ARG1, ARG2) ); |
njn | 03f1e58 | 2005-03-26 20:08:06 +0000 | [diff] [blame] | 4539 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 4540 | if (VG_(clo_trace_signals)) |
| 4541 | VG_(message)(Vg_DebugMsg, "kill: sent signal %d to pid %d", |
njn | 03f1e58 | 2005-03-26 20:08:06 +0000 | [diff] [blame] | 4542 | ARG2, ARG1); |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4543 | |
| 4544 | /* This kill might have given us a pending signal. Ask for a check once |
| 4545 | the syscall is done. */ |
| 4546 | *flags |= SfPollAfter; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4547 | } |
| 4548 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4549 | PRE(sys_link) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4550 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4551 | *flags |= SfMayBlock; |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4552 | PRINT("sys_link ( %p, %p)", ARG1, ARG2); |
nethercote | c6851dd | 2004-11-11 18:00:47 +0000 | [diff] [blame] | 4553 | PRE_REG_READ2(long, "link", const char *, oldpath, const char *, newpath); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4554 | PRE_MEM_RASCIIZ( "link(oldpath)", ARG1); |
| 4555 | PRE_MEM_RASCIIZ( "link(newpath)", ARG2); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4556 | } |
| 4557 | |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 4558 | PRE(sys_newlstat) |
| 4559 | { |
| 4560 | PRINT("sys_newlstat ( %p(%s), %p )", ARG1,ARG1,ARG2); |
| 4561 | PRE_REG_READ2(long, "lstat", char *, file_name, struct stat *, buf); |
| 4562 | PRE_MEM_RASCIIZ( "lstat(file_name)", ARG1 ); |
| 4563 | PRE_MEM_WRITE( "lstat(buf)", ARG2, sizeof(struct vki_stat) ); |
| 4564 | } |
| 4565 | |
| 4566 | POST(sys_newlstat) |
| 4567 | { |
| 4568 | vg_assert(SUCCESS); |
| 4569 | if (RES == 0) { |
| 4570 | POST_MEM_WRITE( ARG2, sizeof(struct vki_stat) ); |
| 4571 | } |
| 4572 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4573 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4574 | PRE(sys_mkdir) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4575 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4576 | *flags |= SfMayBlock; |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4577 | PRINT("sys_mkdir ( %p, %d )", ARG1,ARG2); |
nethercote | 9a3beb9 | 2004-11-12 17:07:26 +0000 | [diff] [blame] | 4578 | PRE_REG_READ2(long, "mkdir", const char *, pathname, int, mode); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4579 | PRE_MEM_RASCIIZ( "mkdir(pathname)", ARG1 ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4580 | } |
| 4581 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4582 | PRE(sys_mprotect) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4583 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4584 | PRINT("sys_mprotect ( %p, %llu, %d )", ARG1,(ULong)ARG2,ARG3); |
nethercote | 06c7bd7 | 2004-11-14 19:11:56 +0000 | [diff] [blame] | 4585 | PRE_REG_READ3(long, "mprotect", |
| 4586 | unsigned long, addr, vki_size_t, len, unsigned long, prot); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 4587 | |
tom | 6550519 | 2005-11-08 16:51:55 +0000 | [diff] [blame] | 4588 | if (!ML_(valid_client_addr)(ARG1, ARG2, tid, "mprotect")) { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4589 | SET_STATUS_Failure( VKI_ENOMEM ); |
sewardj | 337556e | 2005-11-09 14:51:59 +0000 | [diff] [blame] | 4590 | } |
| 4591 | else |
| 4592 | if (ARG3 & (VKI_PROT_GROWSDOWN|VKI_PROT_GROWSUP)) { |
| 4593 | /* Deal with mprotects on growable stack areas. |
| 4594 | |
| 4595 | The critical files to understand all this are mm/mprotect.c |
| 4596 | in the kernel and sysdeps/unix/sysv/linux/dl-execstack.c in |
| 4597 | glibc. |
| 4598 | |
| 4599 | The kernel provides PROT_GROWSDOWN and PROT_GROWSUP which |
| 4600 | round the start/end address of mprotect to the start/end of |
| 4601 | the underlying vma and glibc uses that as an easy way to |
| 4602 | change the protection of the stack by calling mprotect on the |
| 4603 | last page of the stack with PROT_GROWSDOWN set. |
| 4604 | |
| 4605 | The sanity check provided by the kernel is that the vma must |
| 4606 | have the VM_GROWSDOWN/VM_GROWSUP flag set as appropriate. */ |
tom | 6550519 | 2005-11-08 16:51:55 +0000 | [diff] [blame] | 4607 | UInt grows = ARG3 & (VKI_PROT_GROWSDOWN|VKI_PROT_GROWSUP); |
| 4608 | NSegment *aseg = VG_(am_find_nsegment)(ARG1); |
| 4609 | NSegment *rseg; |
| 4610 | |
| 4611 | vg_assert(aseg); |
| 4612 | |
| 4613 | if (grows == VKI_PROT_GROWSDOWN) { |
| 4614 | rseg = VG_(am_next_nsegment)( aseg, False/*backwards*/ ); |
| 4615 | if (rseg && |
| 4616 | rseg->kind == SkResvn && |
| 4617 | rseg->smode == SmUpper && |
| 4618 | rseg->end+1 == aseg->start) { |
| 4619 | Addr end = ARG1 + ARG2; |
| 4620 | ARG1 = aseg->start; |
| 4621 | ARG2 = end - aseg->start; |
| 4622 | ARG3 &= ~VKI_PROT_GROWSDOWN; |
| 4623 | } else { |
| 4624 | SET_STATUS_Failure( VKI_EINVAL ); |
| 4625 | } |
| 4626 | } else if (grows == VKI_PROT_GROWSUP) { |
| 4627 | rseg = VG_(am_next_nsegment)( aseg, True/*forwards*/ ); |
| 4628 | if (rseg && |
| 4629 | rseg->kind == SkResvn && |
| 4630 | rseg->smode == SmLower && |
| 4631 | aseg->end+1 == rseg->start) { |
| 4632 | ARG2 = aseg->end - ARG1 + 1; |
| 4633 | ARG3 &= ~VKI_PROT_GROWSUP; |
| 4634 | } else { |
| 4635 | SET_STATUS_Failure( VKI_EINVAL ); |
| 4636 | } |
| 4637 | } else { |
sewardj | 337556e | 2005-11-09 14:51:59 +0000 | [diff] [blame] | 4638 | /* both GROWSUP and GROWSDOWN */ |
tom | 6550519 | 2005-11-08 16:51:55 +0000 | [diff] [blame] | 4639 | SET_STATUS_Failure( VKI_EINVAL ); |
| 4640 | } |
| 4641 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4642 | } |
| 4643 | |
nethercote | 85a456f | 2004-11-16 17:31:56 +0000 | [diff] [blame] | 4644 | POST(sys_mprotect) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4645 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4646 | Addr a = ARG1; |
| 4647 | SizeT len = ARG2; |
| 4648 | Int prot = ARG3; |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 4649 | Bool rr = toBool(prot & VKI_PROT_READ); |
| 4650 | Bool ww = toBool(prot & VKI_PROT_WRITE); |
| 4651 | Bool xx = toBool(prot & VKI_PROT_EXEC); |
| 4652 | Bool d; |
nethercote | 27ea8bc | 2004-07-10 17:21:14 +0000 | [diff] [blame] | 4653 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 4654 | page_align_addr_and_len(&a, &len); |
| 4655 | d = VG_(am_notify_mprotect)(a, len, prot); |
nethercote | 27ea8bc | 2004-07-10 17:21:14 +0000 | [diff] [blame] | 4656 | VG_TRACK( change_mem_mprotect, a, len, rr, ww, xx ); |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 4657 | VG_(di_notify_mprotect)( a, len, prot ); |
| 4658 | if (d) |
| 4659 | VG_(discard_translations)( (Addr64)a, (ULong)len, |
| 4660 | "POST(sys_mprotect)" ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4661 | } |
| 4662 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4663 | PRE(sys_munmap) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4664 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4665 | if (0) VG_(printf)(" munmap( %p )\n", ARG1); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4666 | PRINT("sys_munmap ( %p, %llu )", ARG1,(ULong)ARG2); |
nethercote | 06c7bd7 | 2004-11-14 19:11:56 +0000 | [diff] [blame] | 4667 | PRE_REG_READ2(long, "munmap", unsigned long, start, vki_size_t, length); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 4668 | |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 4669 | if (!ML_(valid_client_addr)(ARG1, ARG2, tid, "munmap")) |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4670 | SET_STATUS_Failure( VKI_EINVAL ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4671 | } |
| 4672 | |
nethercote | 85a456f | 2004-11-16 17:31:56 +0000 | [diff] [blame] | 4673 | POST(sys_munmap) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4674 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4675 | Addr a = ARG1; |
| 4676 | SizeT len = ARG2; |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 4677 | Bool d; |
nethercote | 27ea8bc | 2004-07-10 17:21:14 +0000 | [diff] [blame] | 4678 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 4679 | page_align_addr_and_len(&a, &len); |
| 4680 | d = VG_(am_notify_munmap)(a, len); |
nethercote | 27ea8bc | 2004-07-10 17:21:14 +0000 | [diff] [blame] | 4681 | VG_TRACK( die_mem_munmap, a, len ); |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 4682 | VG_(di_notify_munmap)( a, len ); |
| 4683 | if (d) |
| 4684 | VG_(discard_translations)( (Addr64)a, (ULong)len, |
| 4685 | "POST(sys_munmap)" ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4686 | } |
| 4687 | |
sewardj | e6d5e72 | 2005-06-10 10:27:55 +0000 | [diff] [blame] | 4688 | PRE(sys_mincore) |
| 4689 | { |
| 4690 | PRINT("sys_mincore ( %p, %llu, %p )", ARG1,(ULong)ARG2,ARG3); |
| 4691 | PRE_REG_READ3(long, "mincore", |
| 4692 | unsigned long, start, vki_size_t, length, |
| 4693 | unsigned char *, vec); |
njn | cdaec51 | 2005-06-30 00:16:02 +0000 | [diff] [blame] | 4694 | PRE_MEM_WRITE( "mincore(vec)", ARG3, VG_PGROUNDUP(ARG2) / VKI_PAGE_SIZE ); |
sewardj | e6d5e72 | 2005-06-10 10:27:55 +0000 | [diff] [blame] | 4695 | } |
| 4696 | POST(sys_mincore) |
| 4697 | { |
njn | cdaec51 | 2005-06-30 00:16:02 +0000 | [diff] [blame] | 4698 | POST_MEM_WRITE( ARG3, VG_PGROUNDUP(ARG2) / VKI_PAGE_SIZE ); |
sewardj | e6d5e72 | 2005-06-10 10:27:55 +0000 | [diff] [blame] | 4699 | } |
mueller | 6ceb231 | 2004-01-02 22:52:34 +0000 | [diff] [blame] | 4700 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4701 | PRE(sys_nanosleep) |
mueller | 6ceb231 | 2004-01-02 22:52:34 +0000 | [diff] [blame] | 4702 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4703 | *flags |= SfMayBlock|SfPostOnFail; |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4704 | PRINT("sys_nanosleep ( %p, %p )", ARG1,ARG2); |
nethercote | 5b653bc | 2004-11-15 14:32:12 +0000 | [diff] [blame] | 4705 | PRE_REG_READ2(long, "nanosleep", |
| 4706 | struct timespec *, req, struct timespec *, rem); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4707 | PRE_MEM_READ( "nanosleep(req)", ARG1, sizeof(struct vki_timespec) ); |
| 4708 | if (ARG2 != 0) |
| 4709 | PRE_MEM_WRITE( "nanosleep(rem)", ARG2, sizeof(struct vki_timespec) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4710 | } |
| 4711 | |
nethercote | 85a456f | 2004-11-16 17:31:56 +0000 | [diff] [blame] | 4712 | POST(sys_nanosleep) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4713 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4714 | vg_assert(SUCCESS || FAILURE); |
| 4715 | if (ARG2 != 0 && FAILURE && RES_unchecked == VKI_EINTR) |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4716 | POST_MEM_WRITE( ARG2, sizeof(struct vki_timespec) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4717 | } |
| 4718 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4719 | PRE(sys_open) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4720 | { |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 4721 | HChar name[30]; |
| 4722 | SysRes sres; |
| 4723 | |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4724 | if (ARG2 & VKI_O_CREAT) { |
nethercote | e824cc4 | 2004-11-09 16:20:46 +0000 | [diff] [blame] | 4725 | // 3-arg version |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4726 | PRINT("sys_open ( %p(%s), %d, %d )",ARG1,ARG1,ARG2,ARG3); |
nethercote | e824cc4 | 2004-11-09 16:20:46 +0000 | [diff] [blame] | 4727 | PRE_REG_READ3(long, "open", |
nethercote | 0df495a | 2004-11-11 16:38:21 +0000 | [diff] [blame] | 4728 | const char *, filename, int, flags, int, mode); |
nethercote | e70bd7d | 2004-08-18 14:37:17 +0000 | [diff] [blame] | 4729 | } else { |
nethercote | e824cc4 | 2004-11-09 16:20:46 +0000 | [diff] [blame] | 4730 | // 2-arg version |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4731 | PRINT("sys_open ( %p(%s), %d )",ARG1,ARG1,ARG2); |
nethercote | e824cc4 | 2004-11-09 16:20:46 +0000 | [diff] [blame] | 4732 | PRE_REG_READ2(long, "open", |
nethercote | 0df495a | 2004-11-11 16:38:21 +0000 | [diff] [blame] | 4733 | const char *, filename, int, flags); |
nethercote | e70bd7d | 2004-08-18 14:37:17 +0000 | [diff] [blame] | 4734 | } |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4735 | PRE_MEM_RASCIIZ( "open(filename)", ARG1 ); |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 4736 | |
| 4737 | /* Handle the case where the open is of /proc/self/cmdline or |
| 4738 | /proc/<pid>/cmdline, and just give it a copy of the fd for the |
| 4739 | fake file we cooked up at startup (in m_main). Also, seek the |
| 4740 | cloned fd back to the start. */ |
| 4741 | |
| 4742 | VG_(sprintf)(name, "/proc/%d/cmdline", VG_(getpid)()); |
| 4743 | if (ML_(safe_to_deref)( (void*)ARG1, 1 ) |
| 4744 | && (VG_(strcmp)((Char *)ARG1, name) == 0 |
| 4745 | || VG_(strcmp)((Char *)ARG1, "/proc/self/cmdline") == 0)) { |
| 4746 | sres = VG_(dup)( VG_(cl_cmdline_fd) ); |
| 4747 | SET_STATUS_from_SysRes( sres ); |
| 4748 | if (!sres.isError) { |
| 4749 | OffT off = VG_(lseek)( sres.val, 0, VKI_SEEK_SET ); |
tom | f4c2310 | 2005-10-31 17:05:21 +0000 | [diff] [blame] | 4750 | if (off < 0) |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 4751 | SET_STATUS_Failure( VKI_EMFILE ); |
| 4752 | } |
| 4753 | return; |
| 4754 | } |
| 4755 | |
| 4756 | /* Otherwise handle normally */ |
| 4757 | *flags |= SfMayBlock; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4758 | } |
| 4759 | |
nethercote | 85a456f | 2004-11-16 17:31:56 +0000 | [diff] [blame] | 4760 | POST(sys_open) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4761 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4762 | vg_assert(SUCCESS); |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 4763 | if (!ML_(fd_allowed)(RES, "open", tid, True)) { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4764 | VG_(close)(RES); |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4765 | SET_STATUS_Failure( VKI_EMFILE ); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 4766 | } else { |
nethercote | 493dd18 | 2004-02-24 23:57:47 +0000 | [diff] [blame] | 4767 | if (VG_(clo_track_fds)) |
njn | 4279a88 | 2005-08-26 03:43:28 +0000 | [diff] [blame] | 4768 | ML_(record_fd_open_with_given_name)(tid, RES, (Char*)ARG1); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4769 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4770 | } |
| 4771 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4772 | PRE(sys_read) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4773 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4774 | *flags |= SfMayBlock; |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4775 | PRINT("sys_read ( %d, %p, %llu )", ARG1, ARG2, (ULong)ARG3); |
nethercote | 8b76fe5 | 2004-11-08 19:20:09 +0000 | [diff] [blame] | 4776 | PRE_REG_READ3(ssize_t, "read", |
njn | ca0518d | 2004-11-26 19:34:36 +0000 | [diff] [blame] | 4777 | unsigned int, fd, char *, buf, vki_size_t, count); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4778 | |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 4779 | if (!ML_(fd_allowed)(ARG1, "read", tid, False)) |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4780 | SET_STATUS_Failure( VKI_EBADF ); |
thughes | 26ab77b | 2004-08-14 12:10:49 +0000 | [diff] [blame] | 4781 | else |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4782 | PRE_MEM_WRITE( "read(buf)", ARG2, ARG3 ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4783 | } |
| 4784 | |
nethercote | 85a456f | 2004-11-16 17:31:56 +0000 | [diff] [blame] | 4785 | POST(sys_read) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4786 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4787 | vg_assert(SUCCESS); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4788 | POST_MEM_WRITE( ARG2, RES ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4789 | } |
| 4790 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4791 | PRE(sys_write) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4792 | { |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 4793 | Bool ok; |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4794 | *flags |= SfMayBlock; |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4795 | PRINT("sys_write ( %d, %p, %llu )", ARG1, ARG2, (ULong)ARG3); |
nethercote | 8b76fe5 | 2004-11-08 19:20:09 +0000 | [diff] [blame] | 4796 | PRE_REG_READ3(ssize_t, "write", |
njn | ca0518d | 2004-11-26 19:34:36 +0000 | [diff] [blame] | 4797 | unsigned int, fd, const char *, buf, vki_size_t, count); |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 4798 | /* check to see if it is allowed. If not, try for an exemption from |
njn | 628add6 | 2005-11-12 18:21:40 +0000 | [diff] [blame] | 4799 | --sim-hints=enable-outer (used for self hosting). */ |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 4800 | ok = ML_(fd_allowed)(ARG1, "write", tid, False); |
| 4801 | if (!ok && ARG1 == 2/*stderr*/ |
njn | 628add6 | 2005-11-12 18:21:40 +0000 | [diff] [blame] | 4802 | && VG_(strstr)(VG_(clo_sim_hints),"enable-outer")) |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 4803 | ok = True; |
| 4804 | if (!ok) |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4805 | SET_STATUS_Failure( VKI_EBADF ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4806 | else |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4807 | PRE_MEM_READ( "write(buf)", ARG2, ARG3 ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4808 | } |
| 4809 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4810 | PRE(sys_creat) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4811 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4812 | *flags |= SfMayBlock; |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4813 | PRINT("sys_creat ( %p(%s), %d )", ARG1,ARG1,ARG2); |
nethercote | c6851dd | 2004-11-11 18:00:47 +0000 | [diff] [blame] | 4814 | PRE_REG_READ2(long, "creat", const char *, pathname, int, mode); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4815 | PRE_MEM_RASCIIZ( "creat(pathname)", ARG1 ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4816 | } |
| 4817 | |
nethercote | 85a456f | 2004-11-16 17:31:56 +0000 | [diff] [blame] | 4818 | POST(sys_creat) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4819 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4820 | vg_assert(SUCCESS); |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 4821 | if (!ML_(fd_allowed)(RES, "creat", tid, True)) { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4822 | VG_(close)(RES); |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4823 | SET_STATUS_Failure( VKI_EMFILE ); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 4824 | } else { |
nethercote | 493dd18 | 2004-02-24 23:57:47 +0000 | [diff] [blame] | 4825 | if (VG_(clo_track_fds)) |
njn | 4279a88 | 2005-08-26 03:43:28 +0000 | [diff] [blame] | 4826 | ML_(record_fd_open_with_given_name)(tid, RES, (Char*)ARG1); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4827 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4828 | } |
| 4829 | |
nethercote | f90953e | 2004-11-15 14:50:02 +0000 | [diff] [blame] | 4830 | // XXX: x86-specific, due to pollfd struct |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4831 | PRE(sys_poll) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4832 | { |
| 4833 | /* struct pollfd { |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 4834 | int fd; -- file descriptor |
| 4835 | short events; -- requested events |
| 4836 | short revents; -- returned events |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4837 | }; |
nethercote | eb0592d | 2004-11-05 12:02:27 +0000 | [diff] [blame] | 4838 | int poll(struct pollfd *ufds, unsigned int nfds, int timeout) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4839 | */ |
nethercote | eb0592d | 2004-11-05 12:02:27 +0000 | [diff] [blame] | 4840 | UInt i; |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4841 | struct vki_pollfd* ufds = (struct vki_pollfd *)ARG1; |
tom | 60a4b0b | 2005-10-12 10:45:27 +0000 | [diff] [blame] | 4842 | *flags |= SfMayBlock; |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4843 | PRINT("sys_poll ( %p, %d, %d )\n", ARG1,ARG2,ARG3); |
nethercote | f90953e | 2004-11-15 14:50:02 +0000 | [diff] [blame] | 4844 | PRE_REG_READ3(long, "poll", |
| 4845 | struct pollfd *, ufds, unsigned int, nfds, long, timeout); |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 4846 | |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4847 | for (i = 0; i < ARG2; i++) { |
nethercote | eb0592d | 2004-11-05 12:02:27 +0000 | [diff] [blame] | 4848 | // 'fd' and 'events' field are inputs; 'revents' is output. |
| 4849 | // XXX: this is x86 specific -- the pollfd struct varies across |
| 4850 | // different architectures. |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 4851 | PRE_MEM_READ( "poll(ufds)", |
| 4852 | (Addr)(&ufds[i]), sizeof(int) + sizeof(short) ); |
| 4853 | PRE_MEM_WRITE( "poll(ufds)", (Addr)(&ufds[i].revents), sizeof(short) ); |
| 4854 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4855 | } |
| 4856 | |
nethercote | 85a456f | 2004-11-16 17:31:56 +0000 | [diff] [blame] | 4857 | POST(sys_poll) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4858 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4859 | if (RES > 0) { |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4860 | UInt i; |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4861 | struct vki_pollfd* ufds = (struct vki_pollfd *)ARG1; |
nethercote | eb0592d | 2004-11-05 12:02:27 +0000 | [diff] [blame] | 4862 | // XXX: again, this is x86-specific |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4863 | for (i = 0; i < ARG2; i++) |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 4864 | POST_MEM_WRITE( (Addr)(&ufds[i].revents), sizeof(Short) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4865 | } |
| 4866 | } |
| 4867 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4868 | PRE(sys_readlink) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4869 | { |
sewardj | 144c56d | 2005-09-30 01:09:50 +0000 | [diff] [blame] | 4870 | HChar name[25]; |
| 4871 | Word saved = SYSNO; |
| 4872 | |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4873 | PRINT("sys_readlink ( %p, %p, %llu )", ARG1,ARG2,(ULong)ARG3); |
nethercote | 5a945af | 2004-11-14 18:37:07 +0000 | [diff] [blame] | 4874 | PRE_REG_READ3(long, "readlink", |
| 4875 | const char *, path, char *, buf, int, bufsiz); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4876 | PRE_MEM_RASCIIZ( "readlink(path)", ARG1 ); |
| 4877 | PRE_MEM_WRITE( "readlink(buf)", ARG2,ARG3 ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4878 | |
rjwalsh | 17d8530 | 2004-11-18 22:56:09 +0000 | [diff] [blame] | 4879 | /* |
rjwalsh | 093047d | 2004-11-19 02:11:56 +0000 | [diff] [blame] | 4880 | * Handle the case where readlink is looking at /proc/self/exe or |
| 4881 | * /proc/<pid>/exe. |
rjwalsh | 17d8530 | 2004-11-18 22:56:09 +0000 | [diff] [blame] | 4882 | */ |
sewardj | 144c56d | 2005-09-30 01:09:50 +0000 | [diff] [blame] | 4883 | VG_(sprintf)(name, "/proc/%d/exe", VG_(getpid)()); |
sewardj | ca7a475 | 2005-09-30 10:32:39 +0000 | [diff] [blame] | 4884 | if (ML_(safe_to_deref)((void*)ARG1, 1) |
sewardj | e226b38 | 2005-09-30 01:47:12 +0000 | [diff] [blame] | 4885 | && (VG_(strcmp)((Char *)ARG1, name) == 0 |
| 4886 | || VG_(strcmp)((Char *)ARG1, "/proc/self/exe") == 0)) { |
sewardj | 144c56d | 2005-09-30 01:09:50 +0000 | [diff] [blame] | 4887 | VG_(sprintf)(name, "/proc/self/fd/%d", VG_(cl_exec_fd)); |
| 4888 | SET_STATUS_from_SysRes( VG_(do_syscall3)(saved, (UWord)name, |
| 4889 | ARG2, ARG3)); |
| 4890 | } else { |
| 4891 | /* Normal case */ |
| 4892 | SET_STATUS_from_SysRes( VG_(do_syscall3)(saved, ARG1, ARG2, ARG3)); |
rjwalsh | 17d8530 | 2004-11-18 22:56:09 +0000 | [diff] [blame] | 4893 | } |
| 4894 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4895 | if (SUCCESS && RES > 0) |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4896 | POST_MEM_WRITE( ARG2, RES ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4897 | } |
| 4898 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4899 | PRE(sys_readv) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4900 | { |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4901 | Int i; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 4902 | struct vki_iovec * vec; |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4903 | *flags |= SfMayBlock; |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4904 | PRINT("sys_readv ( %d, %p, %llu )",ARG1,ARG2,(ULong)ARG3); |
nethercote | d6b5a21 | 2004-11-15 17:04:14 +0000 | [diff] [blame] | 4905 | PRE_REG_READ3(ssize_t, "readv", |
| 4906 | unsigned long, fd, const struct iovec *, vector, |
| 4907 | unsigned long, count); |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 4908 | if (!ML_(fd_allowed)(ARG1, "readv", tid, False)) { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4909 | SET_STATUS_Failure( VKI_EBADF ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4910 | } else { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4911 | PRE_MEM_READ( "readv(vector)", ARG2, ARG3 * sizeof(struct vki_iovec) ); |
nethercote | d6b5a21 | 2004-11-15 17:04:14 +0000 | [diff] [blame] | 4912 | |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4913 | if (ARG2 != 0) { |
nethercote | d6b5a21 | 2004-11-15 17:04:14 +0000 | [diff] [blame] | 4914 | /* ToDo: don't do any of the following if the vector is invalid */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4915 | vec = (struct vki_iovec *)ARG2; |
| 4916 | for (i = 0; i < (Int)ARG3; i++) |
nethercote | d6b5a21 | 2004-11-15 17:04:14 +0000 | [diff] [blame] | 4917 | PRE_MEM_WRITE( "readv(vector[...])", |
| 4918 | (Addr)vec[i].iov_base, vec[i].iov_len ); |
| 4919 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4920 | } |
| 4921 | } |
| 4922 | |
nethercote | 85a456f | 2004-11-16 17:31:56 +0000 | [diff] [blame] | 4923 | POST(sys_readv) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4924 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4925 | vg_assert(SUCCESS); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4926 | if (RES > 0) { |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4927 | Int i; |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4928 | struct vki_iovec * vec = (struct vki_iovec *)ARG2; |
| 4929 | Int remains = RES; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4930 | |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4931 | /* RES holds the number of bytes read. */ |
| 4932 | for (i = 0; i < (Int)ARG3; i++) { |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4933 | Int nReadThisBuf = vec[i].iov_len; |
| 4934 | if (nReadThisBuf > remains) nReadThisBuf = remains; |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 4935 | POST_MEM_WRITE( (Addr)vec[i].iov_base, nReadThisBuf ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4936 | remains -= nReadThisBuf; |
| 4937 | if (remains < 0) VG_(core_panic)("readv: remains < 0"); |
| 4938 | } |
| 4939 | } |
| 4940 | } |
| 4941 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4942 | PRE(sys_rename) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4943 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4944 | PRINT("sys_rename ( %p, %p )", ARG1, ARG2 ); |
nethercote | 9a3beb9 | 2004-11-12 17:07:26 +0000 | [diff] [blame] | 4945 | PRE_REG_READ2(long, "rename", const char *, oldpath, const char *, newpath); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4946 | PRE_MEM_RASCIIZ( "rename(oldpath)", ARG1 ); |
| 4947 | PRE_MEM_RASCIIZ( "rename(newpath)", ARG2 ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4948 | } |
| 4949 | |
sewardj | 78b50e4 | 2005-06-08 01:47:28 +0000 | [diff] [blame] | 4950 | PRE(sys_rmdir) |
| 4951 | { |
| 4952 | *flags |= SfMayBlock; |
| 4953 | PRINT("sys_rmdir ( %p )", ARG1); |
| 4954 | PRE_REG_READ1(long, "rmdir", const char *, pathname); |
| 4955 | PRE_MEM_RASCIIZ( "rmdir(pathname)", ARG1 ); |
| 4956 | } |
| 4957 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4958 | PRE(sys_select) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4959 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 4960 | *flags |= SfMayBlock; |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4961 | PRINT("sys_select ( %d, %p, %p, %p, %p )", ARG1,ARG2,ARG3,ARG4,ARG5); |
nethercote | f1049bf | 2004-11-14 17:03:47 +0000 | [diff] [blame] | 4962 | PRE_REG_READ5(long, "select", |
| 4963 | int, n, vki_fd_set *, readfds, vki_fd_set *, writefds, |
| 4964 | vki_fd_set *, exceptfds, struct timeval *, timeout); |
| 4965 | // XXX: this possibly understates how much memory is read. |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4966 | if (ARG2 != 0) |
nethercote | f1049bf | 2004-11-14 17:03:47 +0000 | [diff] [blame] | 4967 | PRE_MEM_READ( "select(readfds)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4968 | ARG2, ARG1/8 /* __FD_SETSIZE/8 */ ); |
| 4969 | if (ARG3 != 0) |
nethercote | f1049bf | 2004-11-14 17:03:47 +0000 | [diff] [blame] | 4970 | PRE_MEM_READ( "select(writefds)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4971 | ARG3, ARG1/8 /* __FD_SETSIZE/8 */ ); |
| 4972 | if (ARG4 != 0) |
nethercote | f1049bf | 2004-11-14 17:03:47 +0000 | [diff] [blame] | 4973 | PRE_MEM_READ( "select(exceptfds)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 4974 | ARG4, ARG1/8 /* __FD_SETSIZE/8 */ ); |
| 4975 | if (ARG5 != 0) |
| 4976 | PRE_MEM_READ( "select(timeout)", ARG5, sizeof(struct vki_timeval) ); |
nethercote | f1049bf | 2004-11-14 17:03:47 +0000 | [diff] [blame] | 4977 | } |
| 4978 | |
sewardj | e6d5e72 | 2005-06-10 10:27:55 +0000 | [diff] [blame] | 4979 | PRE(sys_setgid) |
| 4980 | { |
| 4981 | PRINT("sys_setgid ( %d )", ARG1); |
| 4982 | PRE_REG_READ1(long, "setgid", vki_gid_t, gid); |
| 4983 | } |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 4984 | |
| 4985 | PRE(sys_setsid) |
| 4986 | { |
| 4987 | PRINT("sys_setsid ( )"); |
| 4988 | PRE_REG_READ0(long, "setsid"); |
| 4989 | } |
| 4990 | |
sewardj | e6d5e72 | 2005-06-10 10:27:55 +0000 | [diff] [blame] | 4991 | PRE(sys_setgroups) |
| 4992 | { |
| 4993 | PRINT("setgroups ( %llu, %p )", (ULong)ARG1, ARG2); |
| 4994 | PRE_REG_READ2(long, "setgroups", int, size, vki_gid_t *, list); |
| 4995 | if (ARG1 > 0) |
| 4996 | PRE_MEM_READ( "setgroups(list)", ARG2, ARG1 * sizeof(vki_gid_t) ); |
| 4997 | } |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 4998 | |
| 4999 | PRE(sys_setpgid) |
| 5000 | { |
| 5001 | PRINT("setpgid ( %d, %d )", ARG1, ARG2); |
| 5002 | PRE_REG_READ2(long, "setpgid", vki_pid_t, pid, vki_pid_t, pgid); |
| 5003 | } |
| 5004 | |
| 5005 | PRE(sys_setregid) |
| 5006 | { |
| 5007 | PRINT("sys_setregid ( %d, %d )", ARG1, ARG2); |
| 5008 | PRE_REG_READ2(long, "setregid", vki_gid_t, rgid, vki_gid_t, egid); |
| 5009 | } |
| 5010 | |
sewardj | e6d5e72 | 2005-06-10 10:27:55 +0000 | [diff] [blame] | 5011 | PRE(sys_setreuid) |
| 5012 | { |
| 5013 | PRINT("sys_setreuid ( 0x%x, 0x%x )", ARG1, ARG2); |
| 5014 | PRE_REG_READ2(long, "setreuid", vki_uid_t, ruid, vki_uid_t, euid); |
| 5015 | } |
nethercote | 9c311eb | 2004-11-12 18:20:12 +0000 | [diff] [blame] | 5016 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5017 | PRE(sys_setrlimit) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5018 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5019 | PRINT("sys_setrlimit ( %d, %p )", ARG1,ARG2); |
nethercote | 17258dc | 2004-11-12 19:55:08 +0000 | [diff] [blame] | 5020 | PRE_REG_READ2(long, "setrlimit", |
| 5021 | unsigned int, resource, struct rlimit *, rlim); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5022 | PRE_MEM_READ( "setrlimit(rlim)", ARG2, sizeof(struct vki_rlimit) ); |
fitzhardinge | b50068f | 2004-02-24 23:42:55 +0000 | [diff] [blame] | 5023 | |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5024 | if (ARG1 == VKI_RLIMIT_NOFILE) { |
| 5025 | if (((struct vki_rlimit *)ARG2)->rlim_cur > VG_(fd_hard_limit) || |
| 5026 | ((struct vki_rlimit *)ARG2)->rlim_max != VG_(fd_hard_limit)) { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5027 | SET_STATUS_Failure( VKI_EPERM ); |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 5028 | } |
| 5029 | else { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5030 | VG_(fd_soft_limit) = ((struct vki_rlimit *)ARG2)->rlim_cur; |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5031 | SET_STATUS_Success( 0 ); |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 5032 | } |
| 5033 | } |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5034 | else if (ARG1 == VKI_RLIMIT_DATA) { |
| 5035 | if (((struct vki_rlimit *)ARG2)->rlim_cur > ((struct vki_rlimit *)ARG2)->rlim_max || |
| 5036 | ((struct vki_rlimit *)ARG2)->rlim_max > ((struct vki_rlimit *)ARG2)->rlim_max) { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5037 | SET_STATUS_Failure( VKI_EPERM ); |
thughes | aa4fb11 | 2004-09-11 14:19:25 +0000 | [diff] [blame] | 5038 | } |
| 5039 | else { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5040 | VG_(client_rlimit_data) = *(struct vki_rlimit *)ARG2; |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5041 | SET_STATUS_Success( 0 ); |
thughes | aa4fb11 | 2004-09-11 14:19:25 +0000 | [diff] [blame] | 5042 | } |
fitzhardinge | b50068f | 2004-02-24 23:42:55 +0000 | [diff] [blame] | 5043 | } |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5044 | else if (ARG1 == VKI_RLIMIT_STACK && tid == 1) { |
| 5045 | if (((struct vki_rlimit *)ARG2)->rlim_cur > ((struct vki_rlimit *)ARG2)->rlim_max || |
| 5046 | ((struct vki_rlimit *)ARG2)->rlim_max > ((struct vki_rlimit *)ARG2)->rlim_max) { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5047 | SET_STATUS_Failure( VKI_EPERM ); |
thughes | c37184f | 2004-09-11 14:16:57 +0000 | [diff] [blame] | 5048 | } |
| 5049 | else { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5050 | VG_(threads)[tid].client_stack_szB = ((struct vki_rlimit *)ARG2)->rlim_cur; |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5051 | VG_(client_rlimit_stack) = *(struct vki_rlimit *)ARG2; |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5052 | SET_STATUS_Success( 0 ); |
thughes | c37184f | 2004-09-11 14:16:57 +0000 | [diff] [blame] | 5053 | } |
| 5054 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5055 | } |
| 5056 | |
sewardj | e6d5e72 | 2005-06-10 10:27:55 +0000 | [diff] [blame] | 5057 | PRE(sys_setuid) |
| 5058 | { |
| 5059 | PRINT("sys_setuid ( %d )", ARG1); |
| 5060 | PRE_REG_READ1(long, "setuid", vki_uid_t, uid); |
| 5061 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5062 | |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 5063 | PRE(sys_newstat) |
| 5064 | { |
| 5065 | PRINT("sys_newstat ( %p(%s), %p )", ARG1,ARG1,ARG2); |
| 5066 | PRE_REG_READ2(long, "stat", char *, file_name, struct stat *, buf); |
| 5067 | PRE_MEM_RASCIIZ( "stat(file_name)", ARG1 ); |
| 5068 | PRE_MEM_WRITE( "stat(buf)", ARG2, sizeof(struct vki_stat) ); |
| 5069 | } |
| 5070 | |
| 5071 | POST(sys_newstat) |
| 5072 | { |
| 5073 | POST_MEM_WRITE( ARG2, sizeof(struct vki_stat) ); |
| 5074 | } |
| 5075 | |
| 5076 | PRE(sys_statfs) |
| 5077 | { |
| 5078 | PRINT("sys_statfs ( %p, %p )",ARG1,ARG2); |
| 5079 | PRE_REG_READ2(long, "statfs", const char *, path, struct statfs *, buf); |
| 5080 | PRE_MEM_RASCIIZ( "statfs(path)", ARG1 ); |
| 5081 | PRE_MEM_WRITE( "statfs(buf)", ARG2, sizeof(struct vki_statfs) ); |
| 5082 | } |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 5083 | POST(sys_statfs) |
| 5084 | { |
| 5085 | POST_MEM_WRITE( ARG2, sizeof(struct vki_statfs) ); |
| 5086 | } |
| 5087 | |
sewardj | e6d5e72 | 2005-06-10 10:27:55 +0000 | [diff] [blame] | 5088 | PRE(sys_statfs64) |
| 5089 | { |
| 5090 | PRINT("sys_statfs64 ( %p, %llu, %p )",ARG1,(ULong)ARG2,ARG3); |
| 5091 | PRE_REG_READ3(long, "statfs64", |
| 5092 | const char *, path, vki_size_t, size, struct statfs64 *, buf); |
| 5093 | PRE_MEM_RASCIIZ( "statfs64(path)", ARG1 ); |
| 5094 | PRE_MEM_WRITE( "statfs64(buf)", ARG3, ARG2 ); |
| 5095 | } |
| 5096 | POST(sys_statfs64) |
| 5097 | { |
| 5098 | POST_MEM_WRITE( ARG3, ARG2 ); |
| 5099 | } |
sewardj | 78b50e4 | 2005-06-08 01:47:28 +0000 | [diff] [blame] | 5100 | |
| 5101 | PRE(sys_symlink) |
| 5102 | { |
| 5103 | *flags |= SfMayBlock; |
| 5104 | PRINT("sys_symlink ( %p, %p )",ARG1,ARG2); |
| 5105 | PRE_REG_READ2(long, "symlink", const char *, oldpath, const char *, newpath); |
| 5106 | PRE_MEM_RASCIIZ( "symlink(oldpath)", ARG1 ); |
| 5107 | PRE_MEM_RASCIIZ( "symlink(newpath)", ARG2 ); |
| 5108 | } |
sewardj | 9efbbef | 2005-03-01 16:45:23 +0000 | [diff] [blame] | 5109 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5110 | PRE(sys_time) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5111 | { |
| 5112 | /* time_t time(time_t *t); */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5113 | PRINT("sys_time ( %p )",ARG1); |
nethercote | c6851dd | 2004-11-11 18:00:47 +0000 | [diff] [blame] | 5114 | PRE_REG_READ1(long, "time", int *, t); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5115 | if (ARG1 != 0) { |
| 5116 | PRE_MEM_WRITE( "time(t)", ARG1, sizeof(vki_time_t) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5117 | } |
| 5118 | } |
| 5119 | |
nethercote | 85a456f | 2004-11-16 17:31:56 +0000 | [diff] [blame] | 5120 | POST(sys_time) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5121 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5122 | if (ARG1 != 0) { |
| 5123 | POST_MEM_WRITE( ARG1, sizeof(vki_time_t) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5124 | } |
| 5125 | } |
| 5126 | |
sewardj | 78b50e4 | 2005-06-08 01:47:28 +0000 | [diff] [blame] | 5127 | PRE(sys_times) |
| 5128 | { |
| 5129 | PRINT("sys_times ( %p )", ARG1); |
| 5130 | PRE_REG_READ1(long, "times", struct tms *, buf); |
tom | 18f1927 | 2005-07-18 11:03:35 +0000 | [diff] [blame] | 5131 | if (ARG1 != 0) { |
| 5132 | PRE_MEM_WRITE( "times(buf)", ARG1, sizeof(struct vki_tms) ); |
| 5133 | } |
sewardj | 78b50e4 | 2005-06-08 01:47:28 +0000 | [diff] [blame] | 5134 | } |
| 5135 | |
| 5136 | POST(sys_times) |
| 5137 | { |
| 5138 | if (ARG1 != 0) { |
| 5139 | POST_MEM_WRITE( ARG1, sizeof(struct vki_tms) ); |
| 5140 | } |
| 5141 | } |
| 5142 | |
| 5143 | PRE(sys_umask) |
| 5144 | { |
| 5145 | PRINT("sys_umask ( %d )", ARG1); |
| 5146 | PRE_REG_READ1(long, "umask", int, mask); |
| 5147 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5148 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5149 | PRE(sys_unlink) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5150 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5151 | *flags |= SfMayBlock; |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5152 | PRINT("sys_unlink ( %p(%s) )", ARG1,ARG1); |
nethercote | c6851dd | 2004-11-11 18:00:47 +0000 | [diff] [blame] | 5153 | PRE_REG_READ1(long, "unlink", const char *, pathname); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5154 | PRE_MEM_RASCIIZ( "unlink(pathname)", ARG1 ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5155 | } |
| 5156 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5157 | PRE(sys_newuname) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5158 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5159 | PRINT("sys_newuname ( %p )", ARG1); |
nethercote | 1a1b9b7 | 2004-11-12 11:19:36 +0000 | [diff] [blame] | 5160 | PRE_REG_READ1(long, "uname", struct new_utsname *, buf); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5161 | PRE_MEM_WRITE( "uname(buf)", ARG1, sizeof(struct vki_new_utsname) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5162 | } |
| 5163 | |
nethercote | 85a456f | 2004-11-16 17:31:56 +0000 | [diff] [blame] | 5164 | POST(sys_newuname) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5165 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5166 | if (ARG1 != 0) { |
| 5167 | POST_MEM_WRITE( ARG1, sizeof(struct vki_new_utsname) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5168 | } |
| 5169 | } |
| 5170 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5171 | PRE(sys_waitpid) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5172 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5173 | *flags |= SfMayBlock; |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5174 | PRINT("sys_waitpid ( %d, %p, %d )", ARG1,ARG2,ARG3); |
nethercote | c6851dd | 2004-11-11 18:00:47 +0000 | [diff] [blame] | 5175 | PRE_REG_READ3(long, "waitpid", |
| 5176 | vki_pid_t, pid, unsigned int *, status, int, options); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5177 | |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5178 | if (ARG2 != (Addr)NULL) |
| 5179 | PRE_MEM_WRITE( "waitpid(status)", ARG2, sizeof(int) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5180 | } |
| 5181 | |
nethercote | 85a456f | 2004-11-16 17:31:56 +0000 | [diff] [blame] | 5182 | POST(sys_waitpid) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5183 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5184 | if (ARG2 != (Addr)NULL) |
| 5185 | POST_MEM_WRITE( ARG2, sizeof(int) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5186 | } |
| 5187 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5188 | PRE(sys_wait4) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5189 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5190 | *flags |= SfMayBlock; |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5191 | PRINT("sys_wait4 ( %d, %p, %d, %p )", ARG1,ARG2,ARG3,ARG4); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5192 | |
nethercote | 7f7e4d1 | 2004-11-15 12:28:58 +0000 | [diff] [blame] | 5193 | PRE_REG_READ4(long, "wait4", |
| 5194 | vki_pid_t, pid, unsigned int *, status, int, options, |
| 5195 | struct rusage *, rusage); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5196 | if (ARG2 != (Addr)NULL) |
| 5197 | PRE_MEM_WRITE( "wait4(status)", ARG2, sizeof(int) ); |
| 5198 | if (ARG4 != (Addr)NULL) |
| 5199 | PRE_MEM_WRITE( "wait4(rusage)", ARG4, sizeof(struct vki_rusage) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5200 | } |
| 5201 | |
nethercote | 85a456f | 2004-11-16 17:31:56 +0000 | [diff] [blame] | 5202 | POST(sys_wait4) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5203 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5204 | if (ARG2 != (Addr)NULL) |
| 5205 | POST_MEM_WRITE( ARG2, sizeof(int) ); |
| 5206 | if (ARG4 != (Addr)NULL) |
| 5207 | POST_MEM_WRITE( ARG4, sizeof(struct vki_rusage) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5208 | } |
| 5209 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5210 | PRE(sys_writev) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5211 | { |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5212 | Int i; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 5213 | struct vki_iovec * vec; |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5214 | *flags |= SfMayBlock; |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5215 | PRINT("sys_writev ( %d, %p, %llu )",ARG1,ARG2,(ULong)ARG3); |
nethercote | d6b5a21 | 2004-11-15 17:04:14 +0000 | [diff] [blame] | 5216 | PRE_REG_READ3(ssize_t, "writev", |
| 5217 | unsigned long, fd, const struct iovec *, vector, |
| 5218 | unsigned long, count); |
sewardj | 7eb7c58 | 2005-06-23 01:02:53 +0000 | [diff] [blame] | 5219 | if (!ML_(fd_allowed)(ARG1, "writev", tid, False)) { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5220 | SET_STATUS_Failure( VKI_EBADF ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5221 | } else { |
nethercote | ef0c766 | 2004-11-06 15:38:43 +0000 | [diff] [blame] | 5222 | PRE_MEM_READ( "writev(vector)", |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5223 | ARG2, ARG3 * sizeof(struct vki_iovec) ); |
| 5224 | if (ARG2 != 0) { |
nethercote | d6b5a21 | 2004-11-15 17:04:14 +0000 | [diff] [blame] | 5225 | /* ToDo: don't do any of the following if the vector is invalid */ |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5226 | vec = (struct vki_iovec *)ARG2; |
| 5227 | for (i = 0; i < (Int)ARG3; i++) |
nethercote | d6b5a21 | 2004-11-15 17:04:14 +0000 | [diff] [blame] | 5228 | PRE_MEM_READ( "writev(vector[...])", |
| 5229 | (Addr)vec[i].iov_base, vec[i].iov_len ); |
| 5230 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5231 | } |
| 5232 | } |
| 5233 | |
sewardj | e6d5e72 | 2005-06-10 10:27:55 +0000 | [diff] [blame] | 5234 | PRE(sys_utimes) |
| 5235 | { |
| 5236 | PRINT("sys_utimes ( %p, %p )", ARG1,ARG2); |
| 5237 | PRE_REG_READ2(long, "utimes", char *, filename, struct timeval *, tvp); |
| 5238 | PRE_MEM_RASCIIZ( "utimes(filename)", ARG1 ); |
| 5239 | if (ARG2 != 0) |
| 5240 | PRE_MEM_READ( "utimes(tvp)", ARG2, sizeof(struct vki_timeval) ); |
| 5241 | } |
| 5242 | |
sewardj | 696c551 | 2005-06-08 23:38:32 +0000 | [diff] [blame] | 5243 | PRE(sys_acct) |
| 5244 | { |
| 5245 | PRINT("sys_acct ( %p )", ARG1); |
| 5246 | PRE_REG_READ1(long, "acct", const char *, filename); |
| 5247 | PRE_MEM_RASCIIZ( "acct(filename)", ARG1 ); |
| 5248 | } |
mueller | d3502b6 | 2003-11-19 00:43:57 +0000 | [diff] [blame] | 5249 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5250 | PRE(sys_pause) |
thughes | 2f8d5f8 | 2004-09-11 14:29:19 +0000 | [diff] [blame] | 5251 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5252 | *flags |= SfMayBlock; |
nethercote | 0df495a | 2004-11-11 16:38:21 +0000 | [diff] [blame] | 5253 | PRINT("sys_pause ( )"); |
| 5254 | PRE_REG_READ0(long, "pause"); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5255 | } |
| 5256 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5257 | //zz // XXX: x86-specific |
| 5258 | //zz PRE(sys_sigsuspend, SfMayBlock) |
| 5259 | //zz { |
| 5260 | //zz /* The C library interface to sigsuspend just takes a pointer to |
| 5261 | //zz a signal mask but this system call has three arguments - the first |
| 5262 | //zz two don't appear to be used by the kernel and are always passed as |
| 5263 | //zz zero by glibc and the third is the first word of the signal mask |
| 5264 | //zz so only 32 signals are supported. |
| 5265 | //zz |
| 5266 | //zz In fact glibc normally uses rt_sigsuspend if it is available as |
| 5267 | //zz that takes a pointer to the signal mask so supports more signals. |
| 5268 | //zz */ |
| 5269 | //zz PRINT("sys_sigsuspend ( %d, %d, %d )", ARG1,ARG2,ARG3 ); |
| 5270 | //zz PRE_REG_READ3(int, "sigsuspend", |
| 5271 | //zz int, history0, int, history1, |
| 5272 | //zz vki_old_sigset_t, mask); |
| 5273 | //zz } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5274 | |
nethercote | a3a2c14 | 2004-11-14 14:13:05 +0000 | [diff] [blame] | 5275 | // XXX: x86-specific |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5276 | PRE(sys_sigaltstack) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5277 | { |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5278 | PRINT("sigaltstack ( %p, %p )",ARG1,ARG2); |
nethercote | b77dee6 | 2004-11-16 17:13:24 +0000 | [diff] [blame] | 5279 | PRE_REG_READ2(int, "sigaltstack", |
| 5280 | const vki_stack_t *, ss, vki_stack_t *, oss); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5281 | if (ARG1 != 0) { |
tom | 92098db | 2005-07-18 23:18:10 +0000 | [diff] [blame] | 5282 | const vki_stack_t *ss = (vki_stack_t *)ARG1; |
| 5283 | PRE_MEM_READ( "sigaltstack(ss)", (Addr)&ss->ss_sp, sizeof(ss->ss_sp) ); |
| 5284 | PRE_MEM_READ( "sigaltstack(ss)", (Addr)&ss->ss_flags, sizeof(ss->ss_flags) ); |
| 5285 | PRE_MEM_READ( "sigaltstack(ss)", (Addr)&ss->ss_size, sizeof(ss->ss_size) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5286 | } |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5287 | if (ARG2 != 0) { |
| 5288 | PRE_MEM_WRITE( "sigaltstack(oss)", ARG2, sizeof(vki_stack_t) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5289 | } |
| 5290 | |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5291 | SET_STATUS_from_SysRes( |
| 5292 | VG_(do_sys_sigaltstack) (tid, (vki_stack_t*)ARG1, |
| 5293 | (vki_stack_t*)ARG2) |
| 5294 | ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5295 | } |
nethercote | 85a456f | 2004-11-16 17:31:56 +0000 | [diff] [blame] | 5296 | POST(sys_sigaltstack) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5297 | { |
sewardj | a8d8e23 | 2005-06-07 20:04:56 +0000 | [diff] [blame] | 5298 | vg_assert(SUCCESS); |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 5299 | if (RES == 0 && ARG2 != 0) |
| 5300 | POST_MEM_WRITE( ARG2, sizeof(vki_stack_t)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5301 | } |
| 5302 | |
sewardj | e6d5e72 | 2005-06-10 10:27:55 +0000 | [diff] [blame] | 5303 | #undef PRE |
| 5304 | #undef POST |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 5305 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 5306 | /*--------------------------------------------------------------------*/ |
njn | c1b0181 | 2005-06-17 22:19:06 +0000 | [diff] [blame] | 5307 | /*--- end ---*/ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 5308 | /*--------------------------------------------------------------------*/ |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 5309 | |