sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1 | |
| 2 | /*--------------------------------------------------------------------*/ |
njn | 87ef6a6 | 2003-08-14 15:23:55 +0000 | [diff] [blame] | 3 | /*--- Handle system calls. vg_syscalls.c ---*/ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 4 | /*--------------------------------------------------------------------*/ |
| 5 | |
| 6 | /* |
njn | c953984 | 2002-10-02 13:26:35 +0000 | [diff] [blame] | 7 | This file is part of Valgrind, an extensible x86 protected-mode |
| 8 | emulator for monitoring program execution on x86-Unixes. |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 9 | |
nethercote | bb1c991 | 2004-01-04 16:43:23 +0000 | [diff] [blame] | 10 | Copyright (C) 2000-2004 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 | |
nethercote | f1e5e15 | 2004-09-01 23:58:16 +0000 | [diff] [blame] | 31 | #include "core.h" |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 32 | |
| 33 | /* vg_unsafe.h should NOT be included into any file except this |
| 34 | one. */ |
| 35 | #include "vg_unsafe.h" |
| 36 | |
| 37 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 38 | /* All system calls are channelled through here, doing two things: |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 39 | |
nethercote | 996901a | 2004-08-03 13:29:09 +0000 | [diff] [blame] | 40 | * notify the tool of the memory events (reads, writes) happening |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 41 | |
| 42 | * perform the syscall, usually by passing it along to the kernel |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 43 | unmodified. |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 44 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 45 | A magical piece of assembly code, VG_(do_syscall)(), in vg_syscall.S |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 46 | does the tricky bit of passing a syscall to the kernel, whilst |
| 47 | having the simulator retain control. |
| 48 | */ |
| 49 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 50 | #define SYSCALL_TRACK(fn, args...) VG_TRACK(fn, Vg_CoreSysCall, ## args) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 51 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 52 | #define MAYBE_PRINTF(format, args...) \ |
| 53 | if (VG_(clo_trace_syscalls)) \ |
| 54 | VG_(printf)(format, ## args) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 55 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 56 | /* --------------------------------------------------------------------- |
| 57 | A simple atfork() facility for Valgrind's internal use |
| 58 | ------------------------------------------------------------------ */ |
| 59 | |
| 60 | struct atfork { |
| 61 | vg_atfork_t pre; |
| 62 | vg_atfork_t parent; |
| 63 | vg_atfork_t child; |
| 64 | }; |
| 65 | |
| 66 | #define VG_MAX_ATFORK 10 |
| 67 | |
| 68 | static struct atfork atforks[VG_MAX_ATFORK]; |
| 69 | static Int n_atfork; |
| 70 | |
| 71 | void VG_(atfork)(vg_atfork_t pre, vg_atfork_t parent, vg_atfork_t child) |
| 72 | { |
| 73 | Int i; |
| 74 | |
| 75 | for(i = 0; i < n_atfork; i++) { |
| 76 | if (atforks[i].pre == pre && |
| 77 | atforks[i].parent == parent && |
| 78 | atforks[i].child == child) |
| 79 | return; |
| 80 | } |
| 81 | |
| 82 | if (n_atfork >= VG_MAX_ATFORK) |
| 83 | VG_(core_panic)("Too many VG_(atfork) handlers requested: raise VG_MAX_ATFORK"); |
| 84 | |
| 85 | atforks[n_atfork].pre = pre; |
| 86 | atforks[n_atfork].parent = parent; |
| 87 | atforks[n_atfork].child = child; |
| 88 | |
| 89 | n_atfork++; |
| 90 | } |
| 91 | |
| 92 | static void do_atfork_pre(ThreadId tid) |
| 93 | { |
| 94 | Int i; |
| 95 | |
| 96 | for(i = 0; i < n_atfork; i++) |
| 97 | if (atforks[i].pre != NULL) |
| 98 | (*atforks[i].pre)(tid); |
| 99 | } |
| 100 | |
| 101 | static void do_atfork_parent(ThreadId tid) |
| 102 | { |
| 103 | Int i; |
| 104 | |
| 105 | for(i = 0; i < n_atfork; i++) |
| 106 | if (atforks[i].parent != NULL) |
| 107 | (*atforks[i].parent)(tid); |
| 108 | } |
| 109 | |
| 110 | static void do_atfork_child(ThreadId tid) |
| 111 | { |
| 112 | Int i; |
| 113 | |
| 114 | for(i = 0; i < n_atfork; i++) |
| 115 | if (atforks[i].child != NULL) |
| 116 | (*atforks[i].child)(tid); |
| 117 | } |
| 118 | |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 119 | /* return true if address range entirely contained within client |
| 120 | address space */ |
nethercote | 1543adf | 2004-10-25 15:43:21 +0000 | [diff] [blame] | 121 | static Bool valid_client_addr(Addr start, UInt size, ThreadId tid, const Char *syscallname) |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 122 | { |
| 123 | Addr end = start+size; |
| 124 | Addr cl_base = VG_(client_base); |
| 125 | Bool ret; |
| 126 | |
| 127 | if (size == 0) |
| 128 | return True; |
| 129 | |
| 130 | if (cl_base < 0x10000) |
| 131 | cl_base = 0x10000; |
| 132 | |
| 133 | ret = |
| 134 | (end >= start) && |
| 135 | start >= cl_base && start < VG_(client_end) && |
| 136 | (end <= VG_(client_end)); |
| 137 | |
| 138 | if (0) |
| 139 | VG_(printf)("%s: test=%p-%p client=%p-%p ret=%d\n", |
nethercote | 1543adf | 2004-10-25 15:43:21 +0000 | [diff] [blame] | 140 | syscallname, start, end, cl_base, VG_(client_end), ret); |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 141 | |
nethercote | 1543adf | 2004-10-25 15:43:21 +0000 | [diff] [blame] | 142 | if (!ret && syscallname != NULL) { |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 143 | VG_(message)(Vg_UserMsg, "Warning: client syscall %s tried to modify addresses %p-%p", |
nethercote | 1543adf | 2004-10-25 15:43:21 +0000 | [diff] [blame] | 144 | syscallname, start, end); |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 145 | |
| 146 | if (VG_(clo_verbosity) > 1) { |
| 147 | ExeContext *ec = VG_(get_ExeContext)(tid); |
| 148 | VG_(pp_ExeContext)(ec); |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | return ret; |
| 153 | } |
| 154 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 155 | /* --------------------------------------------------------------------- |
nethercote | 27ea8bc | 2004-07-10 17:21:14 +0000 | [diff] [blame] | 156 | Doing mmap, mremap |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 157 | ------------------------------------------------------------------ */ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 158 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 159 | // Nb: this isn't done as precisely as possible, but it seems that programs |
| 160 | // are usually sufficiently well-behaved that the more obscure corner cases |
| 161 | // aren't important. Various comments in the few functions below give more |
| 162 | // details... njn 2002-Sep-17 |
| 163 | |
| 164 | /* AFAICT from kernel sources (mm/mprotect.c) and general experimentation, |
| 165 | munmap, mprotect (and mremap??) work at the page level. So addresses |
| 166 | and lengths must be adjusted for this. */ |
| 167 | |
| 168 | /* Mash around start and length so that the area exactly covers |
| 169 | an integral number of pages. If we don't do that, memcheck's |
| 170 | idea of addressible memory diverges from that of the |
| 171 | kernel's, which causes the leak detector to crash. */ |
| 172 | static |
| 173 | void mash_addr_and_len( Addr* a, UInt* len) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 174 | { |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 175 | Addr ra; |
| 176 | |
| 177 | ra = PGROUNDDN(*a); |
| 178 | *len = PGROUNDUP(*a + *len) - ra; |
| 179 | *a = ra; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 180 | } |
| 181 | |
| 182 | static |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 183 | void mmap_segment ( Addr a, UInt len, UInt prot, UInt mm_flags, Int fd, ULong offset ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 184 | { |
sewardj | 40f8ebe | 2002-10-23 21:46:13 +0000 | [diff] [blame] | 185 | Bool rr, ww, xx; |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 186 | UInt flags; |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 187 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 188 | flags = SF_MMAP; |
| 189 | |
| 190 | if (mm_flags & VKI_MAP_FIXED) |
| 191 | flags |= SF_FIXED; |
| 192 | if (!(mm_flags & VKI_MAP_PRIVATE)) |
| 193 | flags |= SF_SHARED; |
| 194 | |
| 195 | if (fd != -1) |
| 196 | flags |= SF_FILE; |
| 197 | |
| 198 | VG_(map_fd_segment)(a, len, prot, flags, fd, offset, NULL); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 199 | |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 200 | rr = prot & VKI_PROT_READ; |
| 201 | ww = prot & VKI_PROT_WRITE; |
| 202 | xx = prot & VKI_PROT_EXEC; |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 203 | |
sewardj | 40f8ebe | 2002-10-23 21:46:13 +0000 | [diff] [blame] | 204 | VG_TRACK( new_mem_mmap, a, len, rr, ww, xx ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 205 | } |
| 206 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 207 | static |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 208 | Addr mremap_segment ( Addr old_addr, UInt old_size, |
| 209 | Addr new_addr, UInt new_size, |
| 210 | UInt flags, ThreadId tid) |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 211 | { |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 212 | Addr ret; |
| 213 | Segment *seg, *next; |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 214 | |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 215 | old_size = PGROUNDUP(old_size); |
| 216 | new_size = PGROUNDUP(new_size); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 217 | |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 218 | if (PGROUNDDN(old_addr) != old_addr) |
| 219 | return -VKI_EINVAL; |
| 220 | |
| 221 | if (!valid_client_addr(old_addr, old_size, tid, "mremap(old_addr)")) |
| 222 | return -VKI_EFAULT; |
| 223 | |
| 224 | /* fixed at the current address means we don't move it */ |
| 225 | if ((flags & VKI_MREMAP_FIXED) && (old_addr == new_addr)) |
| 226 | flags &= ~(VKI_MREMAP_FIXED|VKI_MREMAP_MAYMOVE); |
| 227 | |
| 228 | if (flags & VKI_MREMAP_FIXED) { |
| 229 | if (PGROUNDDN(new_addr) != new_addr) |
| 230 | return -VKI_EINVAL; |
| 231 | |
| 232 | if (!valid_client_addr(new_addr, new_size, tid, "mremap(new_addr)")) |
| 233 | return -VKI_ENOMEM; |
| 234 | |
| 235 | /* check for overlaps */ |
| 236 | if ((old_addr < (new_addr+new_size) && |
| 237 | (old_addr+old_size) > new_addr) || |
| 238 | (new_addr < (old_addr+new_size) && |
| 239 | (new_addr+new_size) > old_addr)) |
| 240 | return -VKI_EINVAL; |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 241 | } |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 242 | |
| 243 | /* Do nothing */ |
| 244 | if (!(flags & VKI_MREMAP_FIXED) && new_size == old_size) |
| 245 | return old_addr; |
| 246 | |
| 247 | seg = VG_(find_segment)(old_addr); |
| 248 | |
| 249 | /* range must be contained within segment */ |
| 250 | if (seg == NULL || !VG_(seg_contains)(seg, old_addr, old_size)) |
| 251 | return -VKI_EINVAL; |
| 252 | |
| 253 | next = VG_(next_segment)(seg); |
| 254 | |
| 255 | if (0) |
| 256 | VG_(printf)("mremap: old_addr+new_size=%p next->addr=%p flags=%d\n", |
| 257 | old_addr+new_size, next->addr, flags); |
| 258 | |
| 259 | if ((flags & VKI_MREMAP_FIXED) || |
| 260 | (next != NULL && (old_addr+new_size) > next->addr)) { |
| 261 | /* we're moving the block */ |
| 262 | Addr a; |
| 263 | |
| 264 | if ((flags & (VKI_MREMAP_FIXED|VKI_MREMAP_MAYMOVE)) == 0) |
| 265 | return -VKI_ENOMEM; /* not allowed to move */ |
| 266 | |
| 267 | if ((flags & VKI_MREMAP_FIXED) == 0) |
| 268 | new_addr = 0; |
| 269 | |
| 270 | a = VG_(find_map_space)(new_addr, new_size, True); |
| 271 | |
| 272 | if ((flags & VKI_MREMAP_FIXED) && a != new_addr) |
| 273 | return -VKI_ENOMEM; /* didn't find the place we wanted */ |
| 274 | |
| 275 | new_addr = a; |
| 276 | ret = a; |
| 277 | |
| 278 | /* we've nailed down the location */ |
| 279 | flags |= VKI_MREMAP_FIXED|VKI_MREMAP_MAYMOVE; |
| 280 | |
| 281 | ret = VG_(do_syscall)(__NR_mremap, old_addr, old_size, new_size, |
| 282 | flags, new_addr); |
| 283 | |
| 284 | if (ret != new_addr) { |
| 285 | vg_assert(VG_(is_kerror)(ret)); |
| 286 | return ret; |
| 287 | } |
| 288 | |
| 289 | VG_TRACK(copy_mem_remap, old_addr, new_addr, |
| 290 | (old_size < new_size) ? old_size : new_size); |
| 291 | |
| 292 | if (new_size > old_size) |
| 293 | VG_TRACK(new_mem_mmap, new_addr+old_size, new_size-old_size, |
| 294 | seg->prot & VKI_PROT_READ, |
| 295 | seg->prot & VKI_PROT_WRITE, |
| 296 | seg->prot & VKI_PROT_EXEC); |
| 297 | VG_TRACK(die_mem_munmap, old_addr, old_size); |
| 298 | |
| 299 | VG_(map_file_segment)(new_addr, new_size, |
| 300 | seg->prot, |
| 301 | seg->flags, |
| 302 | seg->dev, seg->ino, |
| 303 | seg->offset, seg->filename); |
| 304 | |
| 305 | VG_(munmap)((void *)old_addr, old_size); |
| 306 | } else { |
| 307 | /* staying in place */ |
| 308 | ret = old_addr; |
| 309 | |
| 310 | if (new_size < old_size) { |
| 311 | VG_TRACK(die_mem_munmap, old_addr+new_size, old_size-new_size); |
| 312 | VG_(munmap)((void *)(old_addr+new_size), old_size-new_size); |
| 313 | } else { |
| 314 | /* we've nailed down the location */ |
| 315 | flags &= ~VKI_MREMAP_MAYMOVE; |
| 316 | |
| 317 | if (0) |
| 318 | VG_(printf)("mremap: old_addr=%p old_size=%d new_size=%d flags=%d\n", |
| 319 | old_addr, old_size, new_size, flags); |
| 320 | |
| 321 | ret = VG_(do_syscall)(__NR_mremap, old_addr, old_size, new_size, |
| 322 | flags, 0); |
| 323 | |
| 324 | if (ret != old_addr) |
| 325 | return ret; |
| 326 | |
| 327 | VG_TRACK(new_mem_mmap, old_addr+old_size, new_size-old_size, |
| 328 | seg->prot & VKI_PROT_READ, |
| 329 | seg->prot & VKI_PROT_WRITE, |
| 330 | seg->prot & VKI_PROT_EXEC); |
| 331 | |
| 332 | VG_(map_file_segment)(old_addr+old_size, new_size-old_size, |
| 333 | seg->prot, |
| 334 | seg->flags, |
| 335 | seg->dev, seg->ino, |
| 336 | seg->offset, seg->filename); |
| 337 | } |
| 338 | } |
| 339 | |
| 340 | return ret; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 341 | } |
| 342 | |
| 343 | |
| 344 | /* Is this a Linux kernel error return value? */ |
| 345 | /* From: |
| 346 | http://sources.redhat.com/cgi-bin/cvsweb.cgi/libc/sysdeps/unix/sysv/ |
| 347 | linux/i386/sysdep.h? |
| 348 | rev=1.28&content-type=text/x-cvsweb-markup&cvsroot=glibc |
| 349 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 350 | \begin{quote}: |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 351 | |
| 352 | Linux uses a negative return value to indicate syscall errors, |
| 353 | unlike most Unices, which use the condition codes' carry flag. |
| 354 | |
| 355 | Since version 2.1 the return value of a system call might be |
| 356 | negative even if the call succeeded. E.g., the `lseek' system call |
| 357 | might return a large offset. Therefore we must not anymore test |
| 358 | for < 0, but test for a real error by making sure the value in %eax |
| 359 | is a real error number. Linus said he will make sure the no syscall |
daywalker | 7e73e5f | 2003-07-04 16:18:15 +0000 | [diff] [blame] | 360 | returns a value in -1 .. -4095 as a valid result so we can safely |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 361 | test with -4095. |
| 362 | |
| 363 | END QUOTE |
| 364 | */ |
| 365 | Bool VG_(is_kerror) ( Int res ) |
| 366 | { |
| 367 | if (res >= -4095 && res <= -1) |
| 368 | return True; |
| 369 | else |
| 370 | return False; |
| 371 | } |
| 372 | |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 373 | /* One of these is allocated for each open file descriptor. */ |
| 374 | |
| 375 | typedef struct OpenFd |
| 376 | { |
| 377 | Int fd; /* The file descriptor */ |
| 378 | Char *pathname; /* NULL if not a regular file or unknown */ |
| 379 | ExeContext *where; /* NULL if inherited from parent */ |
| 380 | struct OpenFd *next, *prev; |
| 381 | } OpenFd; |
| 382 | |
| 383 | /* List of allocated file descriptors. */ |
| 384 | |
| 385 | static OpenFd *allocated_fds; |
| 386 | |
| 387 | /* Count of open file descriptors. */ |
| 388 | |
| 389 | static int fd_count = 0; |
| 390 | |
nethercote | ccc9ecd | 2004-07-16 17:32:15 +0000 | [diff] [blame] | 391 | /* Given a file descriptor, attempt to deduce its filename. To do this, |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 392 | we use /proc/self/fd/<FD>. If this doesn't point to a file, or if it |
| 393 | doesn't exist, we just return NULL. Otherwise, we return a pointer |
| 394 | to the file name, which the caller is responsible for freeing. */ |
| 395 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 396 | Char *VG_(resolve_filename)(Int fd) |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 397 | { |
| 398 | char tmp[28], buf[PATH_MAX]; |
| 399 | |
| 400 | VG_(sprintf)(tmp, "/proc/self/fd/%d", fd); |
| 401 | VG_(memset)(buf, 0, PATH_MAX); |
| 402 | |
| 403 | if(VG_(readlink)(tmp, buf, PATH_MAX) == -1) |
| 404 | return NULL; |
| 405 | |
fitzhardinge | a772847 | 2003-12-16 01:48:38 +0000 | [diff] [blame] | 406 | return ((buf[0] == '/') ? VG_(arena_strdup)(VG_AR_CORE, buf) : NULL); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 407 | } |
| 408 | |
| 409 | |
| 410 | /* Note the fact that a file descriptor was just closed. */ |
| 411 | |
| 412 | static |
| 413 | void record_fd_close(Int tid, Int fd) |
| 414 | { |
| 415 | OpenFd *i = allocated_fds; |
| 416 | |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 417 | if (fd >= VG_(fd_hard_limit)) |
rjwalsh | 02665ba | 2003-12-18 01:48:06 +0000 | [diff] [blame] | 418 | return; /* Valgrind internal */ |
| 419 | |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 420 | while(i) { |
| 421 | if(i->fd == fd) { |
| 422 | if(i->prev) |
| 423 | i->prev->next = i->next; |
| 424 | else |
| 425 | allocated_fds = i->next; |
| 426 | if(i->next) |
| 427 | i->next->prev = i->prev; |
| 428 | if(i->pathname) |
fitzhardinge | a772847 | 2003-12-16 01:48:38 +0000 | [diff] [blame] | 429 | VG_(arena_free) (VG_AR_CORE, i->pathname); |
| 430 | VG_(arena_free) (VG_AR_CORE, i); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 431 | fd_count--; |
| 432 | break; |
| 433 | } |
| 434 | i = i->next; |
| 435 | } |
| 436 | } |
| 437 | |
| 438 | /* Note the fact that a file descriptor was just opened. If the |
| 439 | tid is -1, this indicates an inherited fd. If the pathname is NULL, |
| 440 | this either indicates a non-standard file (i.e. a pipe or socket or |
| 441 | some such thing) or that we don't know the filename. If the fd is |
| 442 | already open, then we're probably doing a dup2() to an existing fd, |
| 443 | so just overwrite the existing one. */ |
| 444 | |
| 445 | static |
| 446 | void record_fd_open(Int tid, Int fd, char *pathname) |
| 447 | { |
| 448 | OpenFd *i; |
| 449 | |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 450 | if (fd >= VG_(fd_hard_limit)) |
fitzhardinge | 0e8bfcf | 2003-12-12 07:46:54 +0000 | [diff] [blame] | 451 | return; /* Valgrind internal */ |
| 452 | |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 453 | /* Check to see if this fd is already open. */ |
| 454 | i = allocated_fds; |
| 455 | while (i) { |
| 456 | if (i->fd == fd) { |
fitzhardinge | a772847 | 2003-12-16 01:48:38 +0000 | [diff] [blame] | 457 | if (i->pathname) VG_(arena_free)(VG_AR_CORE, i->pathname); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 458 | break; |
| 459 | } |
| 460 | i = i->next; |
| 461 | } |
| 462 | |
| 463 | /* Not already one: allocate an OpenFd */ |
| 464 | if (i == NULL) { |
fitzhardinge | a772847 | 2003-12-16 01:48:38 +0000 | [diff] [blame] | 465 | i = VG_(arena_malloc)(VG_AR_CORE, sizeof(OpenFd)); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 466 | |
| 467 | i->prev = NULL; |
| 468 | i->next = allocated_fds; |
| 469 | if(allocated_fds) allocated_fds->prev = i; |
| 470 | allocated_fds = i; |
| 471 | fd_count++; |
| 472 | } |
| 473 | |
| 474 | i->fd = fd; |
| 475 | i->pathname = pathname; |
| 476 | i->where = (tid == -1) ? NULL : VG_(get_ExeContext)(tid); |
| 477 | } |
| 478 | |
| 479 | static |
| 480 | Char *unix2name(struct sockaddr_un *sa, UInt len, Char *name) |
| 481 | { |
| 482 | if(sa == NULL || len == 0 || sa->sun_path[0] == '\0') { |
| 483 | VG_(sprintf)(name, "<unknown>"); |
| 484 | } else { |
| 485 | VG_(sprintf)(name, "%s", sa->sun_path); |
| 486 | } |
| 487 | |
| 488 | return name; |
| 489 | } |
| 490 | |
| 491 | static |
| 492 | Char *inet2name(struct sockaddr_in *sa, UInt len, Char *name) |
| 493 | { |
| 494 | if(sa == NULL || len == 0) { |
| 495 | VG_(sprintf)(name, "<unknown>"); |
| 496 | } else { |
| 497 | UInt addr = sa->sin_addr.s_addr; |
| 498 | |
| 499 | if (addr == 0) { |
| 500 | VG_(sprintf)(name, "<unbound>"); |
| 501 | } else { |
| 502 | VG_(sprintf)(name, "%u.%u.%u.%u:%u", |
| 503 | addr & 0xFF, (addr>>8) & 0xFF, |
| 504 | (addr>>16) & 0xFF, (addr>>24) & 0xFF, |
nethercote | 4ef5c39 | 2004-01-20 14:43:42 +0000 | [diff] [blame] | 505 | ntohs(sa->sin_port)); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 506 | } |
| 507 | } |
| 508 | |
| 509 | return name; |
| 510 | } |
| 511 | |
| 512 | |
| 513 | /* |
| 514 | * Try get some details about a socket. |
| 515 | */ |
| 516 | |
| 517 | static void |
| 518 | getsockdetails(int fd) |
| 519 | { |
| 520 | union u { |
| 521 | struct sockaddr a; |
| 522 | struct sockaddr_in in; |
| 523 | struct sockaddr_un un; |
| 524 | } laddr; |
| 525 | socklen_t llen; |
| 526 | |
| 527 | llen = sizeof(laddr); |
| 528 | VG_(memset)(&laddr, 0, llen); |
| 529 | |
| 530 | if(VG_(getsockname)(fd, (struct vki_sockaddr *)&(laddr.a), &llen) != -1) { |
| 531 | switch(laddr.a.sa_family) { |
| 532 | case AF_INET: { |
| 533 | static char lname[32]; |
| 534 | static char pname[32]; |
| 535 | struct sockaddr_in paddr; |
| 536 | socklen_t plen = sizeof(struct sockaddr_in); |
| 537 | |
| 538 | if(VG_(getpeername)(fd, (struct vki_sockaddr *)&paddr, &plen) != -1) { |
| 539 | VG_(message)(Vg_UserMsg, "Open AF_INET socket %d: %s <-> %s", fd, |
| 540 | inet2name(&(laddr.in), llen, lname), |
| 541 | inet2name(&paddr, plen, pname)); |
| 542 | } else { |
| 543 | VG_(message)(Vg_UserMsg, "Open AF_INET socket %d: %s <-> unbound", |
| 544 | fd, inet2name(&(laddr.in), llen, lname)); |
| 545 | } |
| 546 | return; |
| 547 | } |
| 548 | case AF_UNIX: { |
| 549 | static char lname[256]; |
| 550 | VG_(message)(Vg_UserMsg, "Open AF_UNIX socket %d: %s", fd, |
| 551 | unix2name(&(laddr.un), llen, lname)); |
| 552 | return; |
| 553 | } |
| 554 | default: |
| 555 | VG_(message)(Vg_UserMsg, "Open pf-%d socket %d:", |
| 556 | laddr.a.sa_family, fd); |
| 557 | return; |
| 558 | } |
| 559 | } |
| 560 | |
| 561 | VG_(message)(Vg_UserMsg, "Open socket %d:", fd); |
| 562 | } |
| 563 | |
| 564 | |
nethercote | 3a42fb8 | 2004-08-03 18:08:50 +0000 | [diff] [blame] | 565 | /* Dump out a summary, and a more detailed list, of open file descriptors. */ |
| 566 | void VG_(show_open_fds) () |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 567 | { |
| 568 | OpenFd *i = allocated_fds; |
| 569 | |
nethercote | 3a42fb8 | 2004-08-03 18:08:50 +0000 | [diff] [blame] | 570 | VG_(message)(Vg_UserMsg, "FILE DESCRIPTORS: %d open at exit.", fd_count); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 571 | |
| 572 | while(i) { |
| 573 | if(i->pathname) { |
| 574 | VG_(message)(Vg_UserMsg, "Open file descriptor %d: %s", i->fd, |
| 575 | i->pathname); |
| 576 | } else { |
| 577 | int val; |
| 578 | socklen_t len = sizeof(val); |
| 579 | |
| 580 | if(VG_(getsockopt)(i->fd, SOL_SOCKET, SO_TYPE, &val, &len) == -1) { |
| 581 | VG_(message)(Vg_UserMsg, "Open file descriptor %d:", i->fd); |
| 582 | } else { |
| 583 | getsockdetails(i->fd); |
| 584 | } |
| 585 | } |
| 586 | |
| 587 | if(i->where) { |
| 588 | VG_(pp_ExeContext)(i->where); |
| 589 | VG_(message)(Vg_UserMsg, ""); |
| 590 | } else { |
| 591 | VG_(message)(Vg_UserMsg, " <inherited from parent>"); |
| 592 | VG_(message)(Vg_UserMsg, ""); |
| 593 | } |
| 594 | |
| 595 | i = i->next; |
| 596 | } |
| 597 | |
| 598 | VG_(message)(Vg_UserMsg, ""); |
| 599 | } |
| 600 | |
| 601 | /* If /proc/self/fd doesn't exist for some weird reason (like you've |
| 602 | got a kernel that doesn't have /proc support compiled in), then we |
| 603 | need to find out what file descriptors we inherited from our parent |
| 604 | process the hard way - by checking each fd in turn. */ |
| 605 | |
| 606 | static |
| 607 | void do_hacky_preopened() |
| 608 | { |
| 609 | struct vki_rlimit lim; |
| 610 | unsigned int count; |
| 611 | int i; |
| 612 | |
| 613 | if(VG_(getrlimit) (VKI_RLIMIT_NOFILE, &lim) == -1) { |
| 614 | /* Hmm. getrlimit() failed. Now we're screwed, so just choose |
| 615 | an arbitrarily high number. 1024 happens to be the limit in |
| 616 | the 2.4 kernels. */ |
| 617 | count = 1024; |
| 618 | } else { |
| 619 | count = lim.rlim_cur; |
| 620 | } |
| 621 | |
| 622 | for (i = 0; i < count; i++) |
| 623 | if(VG_(fcntl)(i, VKI_F_GETFL, 0) != -1) |
| 624 | record_fd_open(-1, i, NULL); |
| 625 | } |
| 626 | |
| 627 | /* Initialize the list of open file descriptors with the file descriptors |
| 628 | we inherited from out parent process. */ |
| 629 | |
| 630 | void VG_(init_preopened_fds)() |
| 631 | { |
| 632 | int f, ret; |
| 633 | struct vki_dirent d; |
| 634 | |
| 635 | f = VG_(open)("/proc/self/fd", VKI_O_RDONLY, 0); |
| 636 | if(f == -1) { |
| 637 | do_hacky_preopened(); |
| 638 | return; |
| 639 | } |
| 640 | |
| 641 | while((ret = VG_(getdents)(f, &d, sizeof(d))) != 0) { |
| 642 | if(ret == -1) |
| 643 | goto out; |
| 644 | |
| 645 | if(VG_(strcmp)(d.d_name, ".") && VG_(strcmp)(d.d_name, "..")) { |
| 646 | int fno = VG_(atoll)(d.d_name); |
| 647 | |
| 648 | if(fno != f) |
| 649 | if(VG_(clo_track_fds)) |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 650 | record_fd_open(-1, fno, VG_(resolve_filename)(fno)); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 651 | } |
| 652 | |
| 653 | VG_(lseek)(f, d.d_off, VKI_SEEK_SET); |
| 654 | } |
| 655 | |
| 656 | out: |
| 657 | VG_(close)(f); |
| 658 | } |
| 659 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 660 | static |
| 661 | UInt get_shm_size ( Int shmid ) |
| 662 | { |
| 663 | struct shmid_ds buf; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 664 | long __res = VG_(do_syscall)(__NR_ipc, 24 /* IPCOP_shmctl */, shmid, IPC_STAT, 0, &buf); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 665 | if ( VG_(is_kerror) ( __res ) ) |
| 666 | return 0; |
| 667 | |
| 668 | return buf.shm_segsz; |
| 669 | } |
thughes | 6079710 | 2004-08-13 22:21:51 +0000 | [diff] [blame] | 670 | |
| 671 | static |
| 672 | UInt get_sem_count( Int semid ) |
| 673 | { |
| 674 | struct semid_ds buf; |
| 675 | union semun arg; |
| 676 | long res; |
| 677 | |
| 678 | arg.buf = &buf; |
| 679 | |
| 680 | res = VG_(do_syscall)(__NR_ipc, 3 /* IPCOP_semctl */, semid, 0, IPC_STAT, &arg); |
| 681 | if ( VG_(is_kerror)(res) ) |
| 682 | return 0; |
| 683 | |
| 684 | return buf.sem_nsems; |
| 685 | } |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 686 | |
| 687 | static |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 688 | Char *strdupcat ( const Char *s1, const Char *s2, ArenaId aid ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 689 | { |
| 690 | UInt len = VG_(strlen) ( s1 ) + VG_(strlen) ( s2 ) + 1; |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 691 | Char *result = VG_(arena_malloc) ( aid, len ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 692 | VG_(strcpy) ( result, s1 ); |
| 693 | VG_(strcat) ( result, s2 ); |
| 694 | return result; |
| 695 | } |
| 696 | |
| 697 | static |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 698 | void pre_mem_read_sendmsg ( ThreadId tid, |
| 699 | Char *msg, UInt base, UInt size ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 700 | { |
| 701 | Char *outmsg = strdupcat ( "socketcall.sendmsg", msg, VG_AR_TRANSIENT ); |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 702 | SYSCALL_TRACK( pre_mem_read, tid, outmsg, base, size ); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 703 | |
| 704 | VG_(arena_free) ( VG_AR_TRANSIENT, outmsg ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 705 | } |
| 706 | |
| 707 | static |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 708 | void pre_mem_write_recvmsg ( ThreadId tid, |
| 709 | Char *msg, UInt base, UInt size ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 710 | { |
| 711 | Char *outmsg = strdupcat ( "socketcall.recvmsg", msg, VG_AR_TRANSIENT ); |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 712 | SYSCALL_TRACK( pre_mem_write, tid, outmsg, base, size ); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 713 | VG_(arena_free) ( VG_AR_TRANSIENT, outmsg ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 714 | } |
| 715 | |
| 716 | static |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 717 | void post_mem_write_recvmsg ( ThreadId tid, |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 718 | Char *fieldName, UInt base, UInt size ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 719 | { |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 720 | VG_TRACK( post_mem_write, base, size ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 721 | } |
| 722 | |
| 723 | static |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 724 | void msghdr_foreachfield ( |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 725 | ThreadId tid, |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 726 | struct msghdr *msg, |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 727 | void (*foreach_func)( ThreadId, Char *, UInt, UInt ) |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 728 | ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 729 | { |
| 730 | if ( !msg ) |
| 731 | return; |
| 732 | |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 733 | foreach_func ( tid, "(msg)", (Addr)msg, sizeof( struct msghdr ) ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 734 | |
| 735 | if ( msg->msg_name ) |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 736 | foreach_func ( tid, |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 737 | "(msg.msg_name)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 738 | (Addr)msg->msg_name, msg->msg_namelen ); |
| 739 | |
| 740 | if ( msg->msg_iov ) { |
| 741 | struct iovec *iov = msg->msg_iov; |
| 742 | UInt i; |
| 743 | |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 744 | foreach_func ( tid, |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 745 | "(msg.msg_iov)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 746 | (Addr)iov, msg->msg_iovlen * sizeof( struct iovec ) ); |
| 747 | |
| 748 | for ( i = 0; i < msg->msg_iovlen; ++i, ++iov ) |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 749 | foreach_func ( tid, |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 750 | "(msg.msg_iov[i]", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 751 | (Addr)iov->iov_base, iov->iov_len ); |
| 752 | } |
| 753 | |
| 754 | if ( msg->msg_control ) |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 755 | foreach_func ( tid, |
sewardj | 8c82451 | 2002-04-14 04:16:48 +0000 | [diff] [blame] | 756 | "(msg.msg_control)", |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 757 | (Addr)msg->msg_control, msg->msg_controllen ); |
| 758 | } |
| 759 | |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 760 | void check_cmsg_for_fds(Int tid, struct msghdr *msg) |
| 761 | { |
| 762 | struct cmsghdr *cm = CMSG_FIRSTHDR(msg); |
| 763 | |
| 764 | while (cm) { |
| 765 | if (cm->cmsg_level == SOL_SOCKET && |
| 766 | cm->cmsg_type == SCM_RIGHTS ) { |
| 767 | int *fds = (int *) CMSG_DATA(cm); |
| 768 | int fdc = (cm->cmsg_len - CMSG_ALIGN(sizeof(struct cmsghdr))) |
| 769 | / sizeof(int); |
| 770 | int i; |
| 771 | |
| 772 | for (i = 0; i < fdc; i++) |
| 773 | if(VG_(clo_track_fds)) |
nethercote | 493dd18 | 2004-02-24 23:57:47 +0000 | [diff] [blame] | 774 | // XXX: must we check the range on these fds with |
| 775 | // fd_allowed()? |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 776 | record_fd_open (tid, fds[i], VG_(resolve_filename)(fds[i])); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 777 | } |
| 778 | |
| 779 | cm = CMSG_NXTHDR(msg, cm); |
| 780 | } |
| 781 | } |
| 782 | |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 783 | static |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 784 | void pre_mem_read_sockaddr ( ThreadId tid, |
| 785 | Char *description, |
| 786 | struct sockaddr *sa, UInt salen ) |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 787 | { |
sewardj | ff7c1ab | 2003-02-24 21:55:34 +0000 | [diff] [blame] | 788 | Char *outmsg; |
| 789 | |
| 790 | /* NULL/zero-length sockaddrs are legal */ |
| 791 | if ( sa == NULL || salen == 0 ) return; |
| 792 | |
| 793 | outmsg = VG_(arena_malloc) ( VG_AR_TRANSIENT, |
| 794 | strlen( description ) + 30 ); |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 795 | |
| 796 | VG_(sprintf) ( outmsg, description, ".sa_family" ); |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 797 | SYSCALL_TRACK( pre_mem_read, tid, outmsg, |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 798 | (Addr) &sa->sa_family, sizeof (sa_family_t)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 799 | |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 800 | switch (sa->sa_family) { |
| 801 | |
| 802 | case AF_UNIX: |
| 803 | VG_(sprintf) ( outmsg, description, ".sun_path" ); |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 804 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, outmsg, |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 805 | (Addr) ((struct sockaddr_un *) sa)->sun_path); |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 806 | break; |
| 807 | |
| 808 | case AF_INET: |
| 809 | VG_(sprintf) ( outmsg, description, ".sin_port" ); |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 810 | SYSCALL_TRACK( pre_mem_read, tid, outmsg, |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 811 | (Addr) &((struct sockaddr_in *) sa)->sin_port, |
sewardj | 3210215 | 2002-05-04 10:28:17 +0000 | [diff] [blame] | 812 | sizeof (((struct sockaddr_in *) sa)->sin_port)); |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 813 | VG_(sprintf) ( outmsg, description, ".sin_addr" ); |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 814 | SYSCALL_TRACK( pre_mem_read, tid, outmsg, |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 815 | (Addr) &((struct sockaddr_in *) sa)->sin_addr, |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 816 | sizeof (struct in_addr)); |
| 817 | break; |
| 818 | |
| 819 | case AF_INET6: |
| 820 | VG_(sprintf) ( outmsg, description, ".sin6_port" ); |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 821 | SYSCALL_TRACK( pre_mem_read, tid, outmsg, |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 822 | (Addr) &((struct sockaddr_in6 *) sa)->sin6_port, |
sewardj | 3210215 | 2002-05-04 10:28:17 +0000 | [diff] [blame] | 823 | sizeof (((struct sockaddr_in6 *) sa)->sin6_port)); |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 824 | VG_(sprintf) ( outmsg, description, ".sin6_flowinfo" ); |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 825 | SYSCALL_TRACK( pre_mem_read, tid, outmsg, |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 826 | (Addr) &((struct sockaddr_in6 *) sa)->sin6_flowinfo, |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 827 | sizeof (uint32_t)); |
| 828 | VG_(sprintf) ( outmsg, description, ".sin6_addr" ); |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 829 | SYSCALL_TRACK( pre_mem_read, tid, outmsg, |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 830 | (Addr) &((struct sockaddr_in6 *) sa)->sin6_addr, |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 831 | sizeof (struct in6_addr)); |
sewardj | 3210215 | 2002-05-04 10:28:17 +0000 | [diff] [blame] | 832 | # ifndef GLIBC_2_1 |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 833 | VG_(sprintf) ( outmsg, description, ".sin6_scope_id" ); |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 834 | SYSCALL_TRACK( pre_mem_read, tid, outmsg, |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 835 | (Addr) &((struct sockaddr_in6 *) sa)->sin6_scope_id, |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 836 | sizeof (uint32_t)); |
sewardj | 3210215 | 2002-05-04 10:28:17 +0000 | [diff] [blame] | 837 | # endif |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 838 | break; |
| 839 | |
| 840 | default: |
| 841 | VG_(sprintf) ( outmsg, description, "" ); |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 842 | SYSCALL_TRACK( pre_mem_read, tid, outmsg, (Addr) sa, salen ); |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 843 | break; |
| 844 | } |
| 845 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 846 | VG_(arena_free) ( VG_AR_TRANSIENT, outmsg ); |
sewardj | c483e8f | 2002-05-03 21:01:35 +0000 | [diff] [blame] | 847 | } |
| 848 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 849 | /* Dereference a pointer to a UInt. */ |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 850 | static UInt deref_UInt ( ThreadId tid, Addr a, Char* s ) |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 851 | { |
| 852 | UInt* a_p = (UInt*)a; |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 853 | SYSCALL_TRACK( pre_mem_read, tid, s, (Addr)a_p, sizeof(UInt) ); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 854 | if (a_p == NULL) |
| 855 | return 0; |
| 856 | else |
| 857 | return *a_p; |
| 858 | } |
| 859 | |
| 860 | /* Dereference a pointer to a pointer. */ |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 861 | static Addr deref_Addr ( ThreadId tid, Addr a, Char* s ) |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 862 | { |
| 863 | Addr* a_p = (Addr*)a; |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 864 | SYSCALL_TRACK( pre_mem_read, tid, s, (Addr)a_p, sizeof(Addr) ); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 865 | return *a_p; |
| 866 | } |
| 867 | |
| 868 | static |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 869 | 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] | 870 | Char* buf_s, Char* buflen_s ) |
| 871 | { |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 872 | if (VG_(defined_pre_mem_write)()) { |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 873 | UInt buflen_in = deref_UInt( tid, buflen_p, buflen_s); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 874 | if (buflen_in > 0) { |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 875 | SK_(pre_mem_write) ( Vg_CoreSysCall, |
| 876 | tid, buf_s, buf_p, buflen_in ); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 877 | } |
| 878 | } |
| 879 | } |
| 880 | |
| 881 | static |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 882 | void buf_and_len_post_check( ThreadId tid, Int res, |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 883 | Addr buf_p, Addr buflen_p, Char* s ) |
| 884 | { |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 885 | if (!VG_(is_kerror)(res) && VG_(defined_post_mem_write)()) { |
njn | 7271864 | 2003-07-24 08:45:32 +0000 | [diff] [blame] | 886 | UInt buflen_out = deref_UInt( tid, buflen_p, s); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 887 | if (buflen_out > 0 && buf_p != (Addr)NULL) { |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 888 | SK_(post_mem_write) ( buf_p, buflen_out ); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 889 | } |
| 890 | } |
| 891 | } |
| 892 | |
| 893 | /* --------------------------------------------------------------------- |
| 894 | Data seg end, for brk() |
| 895 | ------------------------------------------------------------------ */ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 896 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 897 | static Addr do_brk(Addr newbrk) |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 898 | { |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 899 | Addr ret = VG_(brk_limit); |
| 900 | static const Bool debug = False; |
| 901 | Segment *seg; |
nethercote | ce47126 | 2004-08-25 13:43:44 +0000 | [diff] [blame] | 902 | Addr current, newaddr; |
| 903 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 904 | |
| 905 | if (debug) |
| 906 | VG_(printf)("do_brk: brk_base=%p brk_limit=%p newbrk=%p\n", |
| 907 | VG_(brk_base), VG_(brk_limit), newbrk); |
| 908 | |
| 909 | if (newbrk < VG_(brk_base) || newbrk >= VG_(client_end)) |
| 910 | return VG_(brk_limit); |
| 911 | |
| 912 | /* brk isn't allowed to grow over anything else */ |
| 913 | seg = VG_(find_segment)(VG_(brk_limit)); |
| 914 | |
| 915 | vg_assert(seg != NULL); |
| 916 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 917 | if (0) |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 918 | VG_(printf)("brk_limit=%p seg->addr=%p seg->end=%p\n", |
| 919 | VG_(brk_limit), seg->addr, seg->addr+seg->len); |
| 920 | vg_assert(VG_(brk_limit) >= seg->addr && VG_(brk_limit) <= (seg->addr + seg->len)); |
| 921 | |
| 922 | seg = VG_(next_segment)(seg); |
| 923 | if (seg != NULL && newbrk > seg->addr) |
| 924 | return VG_(brk_limit); |
| 925 | |
nethercote | ce47126 | 2004-08-25 13:43:44 +0000 | [diff] [blame] | 926 | current = PGROUNDUP(VG_(brk_limit)); |
| 927 | newaddr = PGROUNDUP(newbrk); |
| 928 | if (newaddr != current) { |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 929 | |
| 930 | /* new brk in a new page - fix the mappings */ |
| 931 | if (newbrk > VG_(brk_limit)) { |
| 932 | |
| 933 | if (debug) |
| 934 | VG_(printf)(" extending brk: current=%p newaddr=%p delta=%d\n", |
| 935 | current, newaddr, newaddr-current); |
| 936 | |
| 937 | if (newaddr == current) { |
| 938 | ret = newbrk; |
nethercote | b4250ae | 2004-07-10 16:50:09 +0000 | [diff] [blame] | 939 | } else if ((void*)-1 != VG_(mmap)((void*)current, newaddr-current, |
| 940 | VKI_PROT_READ|VKI_PROT_WRITE|VKI_PROT_EXEC, |
| 941 | VKI_MAP_PRIVATE|VKI_MAP_ANONYMOUS|VKI_MAP_FIXED|VKI_MAP_CLIENT, |
| 942 | SF_FIXED|SF_BRK, -1, 0)) |
| 943 | { |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 944 | ret = newbrk; |
| 945 | } |
| 946 | } else { |
| 947 | vg_assert(newbrk < VG_(brk_limit)); |
| 948 | |
| 949 | if (debug) |
| 950 | VG_(printf)(" shrinking brk: current=%p newaddr=%p delta=%d\n", |
| 951 | current, newaddr, current-newaddr); |
| 952 | |
| 953 | if (newaddr != current) { |
nethercote | e567e70 | 2004-07-10 17:49:17 +0000 | [diff] [blame] | 954 | int res = VG_(munmap)((void *)newaddr, current - newaddr); |
| 955 | vg_assert(0 == res); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 956 | } |
| 957 | ret = newbrk; |
| 958 | } |
| 959 | } else |
| 960 | ret = newbrk; |
| 961 | |
| 962 | VG_(brk_limit) = ret; |
| 963 | |
| 964 | return ret; |
| 965 | } |
| 966 | |
| 967 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 968 | /* --------------------------------------------------------------------- |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 969 | Vet file descriptors for sanity |
| 970 | ------------------------------------------------------------------ */ |
| 971 | |
| 972 | /* Return true if we're allowed to use or create this fd */ |
nethercote | 1543adf | 2004-10-25 15:43:21 +0000 | [diff] [blame] | 973 | static Bool fd_allowed(Int fd, const Char *syscallname, ThreadId tid, Bool soft) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 974 | { |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 975 | if (fd < 0 || fd >= VG_(fd_hard_limit) || fd == VG_(clo_log_fd)) { |
jseward | d9320a4 | 2003-12-12 06:40:05 +0000 | [diff] [blame] | 976 | VG_(message)(Vg_UserMsg, |
| 977 | "Warning: invalid file descriptor %d in syscall %s()", |
nethercote | 1543adf | 2004-10-25 15:43:21 +0000 | [diff] [blame] | 978 | fd, syscallname); |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 979 | if (fd == VG_(clo_log_fd)) |
jseward | d9320a4 | 2003-12-12 06:40:05 +0000 | [diff] [blame] | 980 | VG_(message)(Vg_UserMsg, |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 981 | " Use --log-fd=<number> to select an alternative log fd."); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 982 | if (VG_(clo_verbosity) > 1) { |
| 983 | ExeContext *ec = VG_(get_ExeContext)(tid); |
| 984 | VG_(pp_ExeContext)(ec); |
| 985 | } |
| 986 | return False; |
| 987 | } |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 988 | else if (soft && fd >= VG_(fd_soft_limit)) { |
| 989 | return False; |
| 990 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 991 | return True; |
| 992 | } |
| 993 | |
| 994 | |
| 995 | /* --------------------------------------------------------------------- |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 996 | The Main Entertainment ... |
| 997 | ------------------------------------------------------------------ */ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 998 | |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 999 | #define MayBlock (1 << 0) |
| 1000 | #define PostOnFail (1 << 1) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1001 | |
| 1002 | #define PRE(x) \ |
| 1003 | static void before_##x(ThreadId tid, ThreadState *tst) |
| 1004 | #define POST(x) \ |
| 1005 | static void after_##x(ThreadId tid, ThreadState *tst) |
| 1006 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1007 | #define PREALIAS(new, old) \ |
| 1008 | PRE(new) __attribute__((alias(STR(before_##old)))) |
| 1009 | #define POSTALIAS(new, old) \ |
| 1010 | POST(new) __attribute__((alias(STR(after_##old)))) |
| 1011 | |
nethercote | bb4222b | 2004-09-10 17:42:11 +0000 | [diff] [blame] | 1012 | #define SYSNO PLATFORM_SYSCALL_NUM(tst->arch) // in PRE(x) |
| 1013 | #define res PLATFORM_SYSCALL_RET(tst->arch) // in POST(x) |
| 1014 | #define arg1 PLATFORM_SYSCALL_ARG1(tst->arch) |
| 1015 | #define arg2 PLATFORM_SYSCALL_ARG2(tst->arch) |
| 1016 | #define arg3 PLATFORM_SYSCALL_ARG3(tst->arch) |
| 1017 | #define arg4 PLATFORM_SYSCALL_ARG4(tst->arch) |
| 1018 | #define arg5 PLATFORM_SYSCALL_ARG5(tst->arch) |
| 1019 | #define arg6 PLATFORM_SYSCALL_ARG6(tst->arch) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1020 | |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 1021 | #define set_result(val) PLATFORM_SET_SYSCALL_RESULT(tst->arch, (val)) |
| 1022 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1023 | PRE(exit_group) |
| 1024 | { |
| 1025 | VG_(core_panic)("syscall exit_group() not caught by the scheduler?!"); |
| 1026 | } |
| 1027 | |
| 1028 | PRE(exit) |
| 1029 | { |
| 1030 | VG_(core_panic)("syscall exit() not caught by the scheduler?!"); |
| 1031 | } |
| 1032 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1033 | PRE(ptrace) |
| 1034 | { |
| 1035 | /* long ptrace (enum __ptrace_request request, pid_t pid, |
nethercote | e70bd7d | 2004-08-18 14:37:17 +0000 | [diff] [blame] | 1036 | void *addr, void *data); */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1037 | MAYBE_PRINTF("ptrace ( %d, %d, %p, %p )\n", arg1,arg2,arg3,arg4); |
| 1038 | switch (arg1) { |
| 1039 | case 12: /* PTRACE_GETREGS */ |
| 1040 | SYSCALL_TRACK( pre_mem_write, tid, "ptrace(getregs)", arg4, |
| 1041 | sizeof (struct user_regs_struct)); |
| 1042 | break; |
| 1043 | case 14: /* PTRACE_GETFPREGS */ |
| 1044 | SYSCALL_TRACK( pre_mem_write, tid, "ptrace(getfpregs)", arg4, |
fitzhardinge | d65dcad | 2004-03-13 02:06:58 +0000 | [diff] [blame] | 1045 | sizeof (struct user_i387_struct)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1046 | break; |
| 1047 | case 18: /* PTRACE_GETFPXREGS */ |
| 1048 | SYSCALL_TRACK( pre_mem_write, tid, "ptrace(getfpxregs)", arg4, |
nethercote | e70bd7d | 2004-08-18 14:37:17 +0000 | [diff] [blame] | 1049 | sizeof(struct user_fxsr_struct) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1050 | break; |
| 1051 | case 1: case 2: case 3: /* PTRACE_PEEK{TEXT,DATA,USER} */ |
| 1052 | SYSCALL_TRACK( pre_mem_write, tid, "ptrace(peek)", arg4, |
| 1053 | sizeof (long)); |
| 1054 | break; |
| 1055 | case 13: /* PTRACE_SETREGS */ |
| 1056 | SYSCALL_TRACK( pre_mem_read, tid, "ptrace(setregs)", arg4, |
| 1057 | sizeof (struct user_regs_struct)); |
| 1058 | break; |
| 1059 | case 15: /* PTRACE_SETFPREGS */ |
| 1060 | SYSCALL_TRACK( pre_mem_read, tid, "ptrace(setfpregs)", arg4, |
fitzhardinge | d65dcad | 2004-03-13 02:06:58 +0000 | [diff] [blame] | 1061 | sizeof (struct user_i387_struct)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1062 | break; |
| 1063 | case 19: /* PTRACE_SETFPXREGS */ |
| 1064 | SYSCALL_TRACK( pre_mem_read, tid, "ptrace(setfpxregs)", arg4, |
nethercote | e70bd7d | 2004-08-18 14:37:17 +0000 | [diff] [blame] | 1065 | sizeof(struct user_fxsr_struct) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1066 | break; |
| 1067 | default: |
| 1068 | break; |
| 1069 | } |
| 1070 | } |
| 1071 | |
| 1072 | POST(ptrace) |
| 1073 | { |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1074 | switch (arg1) { |
| 1075 | case 12: /* PTRACE_GETREGS */ |
| 1076 | VG_TRACK( post_mem_write, arg4, |
| 1077 | sizeof (struct user_regs_struct)); |
| 1078 | break; |
| 1079 | case 14: /* PTRACE_GETFPREGS */ |
| 1080 | VG_TRACK( post_mem_write, arg4, |
fitzhardinge | d65dcad | 2004-03-13 02:06:58 +0000 | [diff] [blame] | 1081 | sizeof (struct user_i387_struct)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1082 | break; |
| 1083 | case 18: /* PTRACE_GETFPXREGS */ |
| 1084 | VG_TRACK( post_mem_write, arg4, |
nethercote | e70bd7d | 2004-08-18 14:37:17 +0000 | [diff] [blame] | 1085 | sizeof(struct user_fxsr_struct) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1086 | break; |
| 1087 | case 1: case 2: case 3: /* PTRACE_PEEK{TEXT,DATA,USER} */ |
| 1088 | VG_TRACK( post_mem_write, arg4, sizeof (long)); |
| 1089 | break; |
| 1090 | default: |
| 1091 | break; |
| 1092 | } |
| 1093 | } |
| 1094 | |
| 1095 | PRE(mount) |
| 1096 | { |
nethercote | e70bd7d | 2004-08-18 14:37:17 +0000 | [diff] [blame] | 1097 | // int mount(const char *source, const char *target, |
| 1098 | // const char *filesystemtype, unsigned long mountflags, |
| 1099 | // const void *data); |
| 1100 | MAYBE_PRINTF( "mount( %p, %p, %p, %p, %p )\n" ,arg1,arg2,arg3); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1101 | SYSCALL_TRACK( pre_mem_read_asciiz, tid,"mount(specialfile)",arg1); |
| 1102 | SYSCALL_TRACK( pre_mem_read_asciiz, tid,"mount(dir)",arg2); |
| 1103 | SYSCALL_TRACK( pre_mem_read_asciiz, tid,"mount(filesystemtype)",arg3); |
| 1104 | } |
| 1105 | |
| 1106 | PRE(umount) |
| 1107 | { |
| 1108 | /* int umount(const char *path) */ |
| 1109 | MAYBE_PRINTF("umount( %p )\n", arg1); |
| 1110 | SYSCALL_TRACK( pre_mem_read_asciiz, tid,"umount(path)",arg1); |
| 1111 | } |
| 1112 | |
| 1113 | PRE(modify_ldt) |
| 1114 | { |
| 1115 | MAYBE_PRINTF("modify_ldt ( %d, %p, %d )\n", arg1,arg2,arg3); |
| 1116 | if (arg1 == 0) { |
| 1117 | /* read the LDT into ptr */ |
| 1118 | SYSCALL_TRACK( pre_mem_write, tid, |
| 1119 | "modify_ldt(ptr)(func=0)", arg2, arg3 ); |
| 1120 | } |
| 1121 | if (arg1 == 1 || arg1 == 0x11) { |
| 1122 | /* write the LDT with the entry pointed at by ptr */ |
| 1123 | SYSCALL_TRACK( pre_mem_read, tid, |
| 1124 | "modify_ldt(ptr)(func=1 or 0x11)", arg2, |
| 1125 | sizeof(struct vki_modify_ldt_ldt_s) ); |
| 1126 | } |
| 1127 | /* "do" the syscall ourselves; the kernel never sees it */ |
| 1128 | res = VG_(sys_modify_ldt)( tid, arg1, (void*)arg2, arg3 ); |
| 1129 | |
| 1130 | if (arg1 == 0 && !VG_(is_kerror)(res) && res > 0) { |
| 1131 | VG_TRACK( post_mem_write, arg2, res ); |
| 1132 | } |
| 1133 | } |
| 1134 | |
fitzhardinge | 47735af | 2004-01-21 01:27:27 +0000 | [diff] [blame] | 1135 | PRE(set_thread_area) |
| 1136 | { |
| 1137 | MAYBE_PRINTF("set_thread_area ( %p )\n", arg1); |
| 1138 | |
| 1139 | SYSCALL_TRACK( pre_mem_read, tid, |
| 1140 | "set_thread_area(ptr)", arg1, |
| 1141 | sizeof(struct vki_modify_ldt_ldt_s) ); |
| 1142 | |
| 1143 | /* "do" the syscall ourselves; the kernel never sees it */ |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 1144 | set_result( VG_(sys_set_thread_area)( tid, (void *)arg1 ) ); |
fitzhardinge | 47735af | 2004-01-21 01:27:27 +0000 | [diff] [blame] | 1145 | } |
| 1146 | |
| 1147 | PRE(get_thread_area) |
| 1148 | { |
| 1149 | MAYBE_PRINTF("get_thread_area ( %p )\n", arg1); |
| 1150 | SYSCALL_TRACK( pre_mem_write, tid, |
| 1151 | "get_thread_area(ptr)", arg1, |
| 1152 | sizeof(struct vki_modify_ldt_ldt_s) ); |
| 1153 | |
| 1154 | /* "do" the syscall ourselves; the kernel never sees it */ |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 1155 | set_result( VG_(sys_get_thread_area)( tid, (void *)arg1 ) ); |
fitzhardinge | 47735af | 2004-01-21 01:27:27 +0000 | [diff] [blame] | 1156 | |
| 1157 | if (!VG_(is_kerror)(res)) { |
| 1158 | VG_TRACK( post_mem_write, arg1, sizeof(struct vki_modify_ldt_ldt_s) ); |
| 1159 | } |
| 1160 | } |
| 1161 | |
rjwalsh | cdf1cb5 | 2004-04-29 08:40:50 +0000 | [diff] [blame] | 1162 | PRE(set_tid_address) |
| 1163 | { |
| 1164 | MAYBE_PRINTF("set_tid_address ( %p )\n", arg1); |
| 1165 | } |
| 1166 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1167 | PRE(setresgid) |
| 1168 | { |
| 1169 | /* int setresgid(gid_t rgid, gid_t egid, gid_t sgid); */ |
| 1170 | MAYBE_PRINTF("setresgid ( %d, %d, %d )\n", arg1, arg2, arg3); |
| 1171 | } |
| 1172 | |
| 1173 | PRE(vhangup) |
| 1174 | { |
| 1175 | MAYBE_PRINTF("vhangup()\n"); |
| 1176 | } |
| 1177 | |
| 1178 | PRE(iopl) |
| 1179 | { |
| 1180 | MAYBE_PRINTF("iopl ( %d )\n", arg1); |
| 1181 | } |
| 1182 | |
| 1183 | PRE(setxattr) |
| 1184 | { |
| 1185 | MAYBE_PRINTF("setxattr ( %p, %p, %p, %d, %d )\n", |
| 1186 | arg1, arg2, arg3, arg4, arg5); |
| 1187 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "setxattr(path)", arg1 ); |
| 1188 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "setxattr(name)", arg2 ); |
| 1189 | SYSCALL_TRACK( pre_mem_read, tid, "setxattr(value)", arg3, arg4 ); |
| 1190 | } |
| 1191 | |
| 1192 | PREALIAS(lsetxattr, setxattr); |
| 1193 | |
| 1194 | PRE(fsetxattr) |
| 1195 | { |
| 1196 | /* int fsetxattr (int filedes, const char *name, |
| 1197 | const void *value, size_t size, int flags); */ |
| 1198 | MAYBE_PRINTF("fsetxattr ( %d, %p, %p, %d, %d )\n", |
| 1199 | arg1, arg2, arg3, arg4, arg5); |
| 1200 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "fsetxattr(name)", arg2 ); |
| 1201 | SYSCALL_TRACK( pre_mem_read, tid, "fsetxattr(value)", arg3, arg4 ); |
| 1202 | } |
| 1203 | |
| 1204 | PRE(getxattr) |
| 1205 | { |
| 1206 | MAYBE_PRINTF("getxattr ( %p, %p, %p, %d )\n", |
| 1207 | arg1,arg2,arg3, arg4); |
| 1208 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "getxattr(path)", arg1 ); |
| 1209 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "getxattr(name)", arg2 ); |
| 1210 | SYSCALL_TRACK( pre_mem_write, tid, "getxattr(value)", arg3, arg4 ); |
| 1211 | } |
| 1212 | |
| 1213 | POST(getxattr) |
| 1214 | { |
| 1215 | if (res > 0 && arg3 != (Addr)NULL) { |
| 1216 | VG_TRACK( post_mem_write, arg3, res ); |
| 1217 | } |
| 1218 | } |
| 1219 | |
| 1220 | PREALIAS(lgetxattr, getxattr); |
| 1221 | POSTALIAS(lgetxattr, getxattr); |
| 1222 | |
| 1223 | PRE(fgetxattr) |
| 1224 | { |
| 1225 | MAYBE_PRINTF("fgetxattr ( %d, %p, %p, %d )\n", |
| 1226 | arg1, arg2, arg3, arg4); |
| 1227 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "fgetxattr(name)", arg2 ); |
| 1228 | SYSCALL_TRACK( pre_mem_write, tid, "fgetxattr(value)", arg3, arg4 ); |
| 1229 | } |
| 1230 | |
| 1231 | POST(fgetxattr) |
| 1232 | { |
| 1233 | if (res > 0 && arg3 != (Addr)NULL) |
| 1234 | VG_TRACK( post_mem_write, arg3, res ); |
| 1235 | } |
| 1236 | |
| 1237 | PRE(listxattr) |
| 1238 | { |
| 1239 | MAYBE_PRINTF("listxattr ( %p, %p, %d )\n", arg1, arg2, arg3); |
| 1240 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "listxattr(path)", arg1 ); |
| 1241 | SYSCALL_TRACK( pre_mem_write, tid, "listxattr(list)", arg2, arg3 ); |
| 1242 | } |
| 1243 | |
| 1244 | POST(listxattr) |
| 1245 | { |
| 1246 | if (res > 0 && arg2 != (Addr)NULL) |
| 1247 | VG_TRACK( post_mem_write, arg2, res ); |
| 1248 | } |
| 1249 | |
| 1250 | PREALIAS(llistxattr, listxattr); |
| 1251 | POSTALIAS(llistxattr, listxattr); |
| 1252 | |
| 1253 | PRE(flistxattr) |
| 1254 | { |
| 1255 | /* ssize_t flistxattr (int filedes, char *list, size_t size); */ |
| 1256 | MAYBE_PRINTF("flistxattr ( %d, %p, %d )\n", arg1, arg2, arg3); |
| 1257 | SYSCALL_TRACK( pre_mem_write, tid, "listxattr(list)", arg2, arg3 ); |
| 1258 | } |
| 1259 | |
| 1260 | POST(flistxattr) |
| 1261 | { |
| 1262 | if (res > 0 && arg2 != (Addr)NULL) |
| 1263 | VG_TRACK( post_mem_write, arg2, res ); |
| 1264 | } |
| 1265 | |
| 1266 | PRE(removexattr) |
| 1267 | { |
| 1268 | MAYBE_PRINTF("removexattr ( %p, %p )\n", arg1, arg2); |
| 1269 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "listxattr(path)", arg1 ); |
| 1270 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "listxattr(name)", arg2 ); |
| 1271 | } |
| 1272 | |
| 1273 | PREALIAS(lremovexattr, removexattr); |
| 1274 | |
| 1275 | PRE(fremovexattr) |
| 1276 | { |
| 1277 | MAYBE_PRINTF("removexattr ( %d, %p )\n", arg1, arg2); |
| 1278 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "listxattr(name)", arg2 ); |
| 1279 | } |
| 1280 | |
| 1281 | PRE(quotactl) |
| 1282 | { |
| 1283 | MAYBE_PRINTF("quotactl (0x%x, %p, 0x%x, 0x%x )\n", |
| 1284 | arg1,arg2,arg3, arg4); |
| 1285 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "quotactl(special)", arg2 ); |
| 1286 | } |
| 1287 | |
| 1288 | PRE(lookup_dcookie) |
| 1289 | { |
| 1290 | MAYBE_PRINTF("lookup_dcookie (0x%llx, %p, %d)\n", |
| 1291 | arg1 | ((long long) arg2 << 32), arg3, arg4); |
| 1292 | SYSCALL_TRACK( pre_mem_write, tid, "lookup_dcookie(buf)", arg3, arg4); |
| 1293 | } |
| 1294 | |
| 1295 | POST(lookup_dcookie) |
| 1296 | { |
| 1297 | if (arg3 != (Addr)NULL) |
| 1298 | VG_TRACK( post_mem_write, arg3, res); |
| 1299 | } |
| 1300 | |
| 1301 | PRE(truncate64) |
| 1302 | { |
| 1303 | MAYBE_PRINTF("truncate64 ( %p, %lld )\n", |
| 1304 | arg1, ((ULong)arg2) | (((ULong) arg3) << 32)); |
| 1305 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "truncate64(path)", arg1 ); |
| 1306 | } |
| 1307 | |
| 1308 | PRE(fdatasync) |
| 1309 | { |
| 1310 | /* int fdatasync(int fd); */ |
| 1311 | MAYBE_PRINTF("fdatasync ( %d )\n", arg1); |
| 1312 | } |
| 1313 | |
| 1314 | PRE(msync) |
| 1315 | { |
| 1316 | /* int msync(const void *start, size_t length, int flags); */ |
| 1317 | MAYBE_PRINTF("msync ( %p, %d, %d )\n", arg1,arg2,arg3); |
| 1318 | SYSCALL_TRACK( pre_mem_read, tid, "msync(start)", arg1, arg2 ); |
| 1319 | } |
| 1320 | |
| 1321 | struct getpmsg_strbuf { |
| 1322 | int maxlen; /* no. of bytes in buffer */ |
| 1323 | int len; /* no. of bytes returned */ |
| 1324 | caddr_t buf; /* pointer to data */ |
| 1325 | }; |
| 1326 | |
| 1327 | PRE(getpmsg) |
| 1328 | { |
| 1329 | /* LiS getpmsg from http://www.gcom.com/home/linux/lis/ */ |
| 1330 | /* int getpmsg(int fd, struct strbuf *ctrl, struct strbuf *data, |
| 1331 | int *bandp, int *flagsp); */ |
| 1332 | struct getpmsg_strbuf *ctrl; |
| 1333 | struct getpmsg_strbuf *data; |
| 1334 | MAYBE_PRINTF("getpmsg ( %d, %p, %p, %p, %p )\n", |
| 1335 | arg1,arg2,arg3,arg4,arg5); |
| 1336 | ctrl = (struct getpmsg_strbuf *)arg2; |
| 1337 | data = (struct getpmsg_strbuf *)arg3; |
| 1338 | if (ctrl && ctrl->maxlen > 0) |
| 1339 | SYSCALL_TRACK( pre_mem_write,tid, "getpmsg(ctrl)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 1340 | (Addr)ctrl->buf, ctrl->maxlen); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1341 | if (data && data->maxlen > 0) |
| 1342 | SYSCALL_TRACK( pre_mem_write,tid, "getpmsg(data)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 1343 | (Addr)data->buf, data->maxlen); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1344 | if (arg4) |
| 1345 | SYSCALL_TRACK( pre_mem_write,tid, "getpmsg(bandp)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 1346 | (Addr)arg4, sizeof(int)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1347 | if (arg5) |
| 1348 | SYSCALL_TRACK( pre_mem_write,tid, "getpmsg(flagsp)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 1349 | (Addr)arg5, sizeof(int)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1350 | } |
| 1351 | |
| 1352 | POST(getpmsg) |
| 1353 | { |
| 1354 | struct getpmsg_strbuf *ctrl; |
| 1355 | struct getpmsg_strbuf *data; |
| 1356 | |
| 1357 | ctrl = (struct getpmsg_strbuf *)arg2; |
| 1358 | data = (struct getpmsg_strbuf *)arg3; |
| 1359 | if (res == 0 && ctrl && ctrl->len > 0) { |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 1360 | VG_TRACK( post_mem_write, (Addr)ctrl->buf, ctrl->len); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1361 | } |
| 1362 | if (res == 0 && data && data->len > 0) { |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 1363 | VG_TRACK( post_mem_write, (Addr)data->buf, data->len); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1364 | } |
| 1365 | } |
| 1366 | |
| 1367 | PRE(putpmsg) |
| 1368 | { |
| 1369 | /* LiS putpmsg from http://www.gcom.com/home/linux/lis/ */ |
| 1370 | /* int putpmsg(int fd, struct strbuf *ctrl, struct strbuf *data, |
| 1371 | int band, int flags); */ |
| 1372 | struct strbuf { |
| 1373 | int maxlen; /* no. of bytes in buffer */ |
| 1374 | int len; /* no. of bytes returned */ |
| 1375 | caddr_t buf; /* pointer to data */ |
| 1376 | }; |
| 1377 | struct strbuf *ctrl; |
| 1378 | struct strbuf *data; |
| 1379 | MAYBE_PRINTF("putpmsg ( %d, %p, %p, %d, %d )\n", |
| 1380 | arg1,arg2,arg3,arg4,arg5); |
| 1381 | ctrl = (struct strbuf *)arg2; |
| 1382 | data = (struct strbuf *)arg3; |
| 1383 | if (ctrl && ctrl->len > 0) |
| 1384 | SYSCALL_TRACK( pre_mem_read,tid, "putpmsg(ctrl)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 1385 | (Addr)ctrl->buf, ctrl->len); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1386 | if (data && data->len > 0) |
| 1387 | SYSCALL_TRACK( pre_mem_read,tid, "putpmsg(data)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 1388 | (Addr)data->buf, data->len); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1389 | } |
| 1390 | |
| 1391 | PRE(getitimer) |
| 1392 | { |
| 1393 | /* int getitimer(int which, struct itimerval *value); */ |
| 1394 | MAYBE_PRINTF("getitimer ( %d, %p )\n", arg1, arg2); |
| 1395 | SYSCALL_TRACK( pre_mem_write, tid, "getitimer(timer)", arg2, |
| 1396 | sizeof(struct itimerval) ); |
| 1397 | } |
| 1398 | |
| 1399 | POST(getitimer) |
| 1400 | { |
| 1401 | if (arg2 != (Addr)NULL) { |
| 1402 | VG_TRACK( post_mem_write,arg2, sizeof(struct itimerval)); |
| 1403 | } |
| 1404 | } |
| 1405 | |
| 1406 | PRE(syslog) |
| 1407 | { |
| 1408 | /* int syslog(int type, char *bufp, int len); */ |
| 1409 | MAYBE_PRINTF("syslog (%d, %p, %d)\n",arg1,arg2,arg3); |
| 1410 | switch(arg1) { |
| 1411 | case 2: case 3: case 4: |
| 1412 | SYSCALL_TRACK( pre_mem_write, tid, "syslog(buf)", arg2, arg3); |
| 1413 | break; |
| 1414 | default: |
| 1415 | break; |
| 1416 | } |
| 1417 | } |
| 1418 | |
| 1419 | POST(syslog) |
| 1420 | { |
| 1421 | switch (arg1) { |
| 1422 | case 2: case 3: case 4: |
| 1423 | VG_TRACK( post_mem_write, arg2, arg3 ); |
| 1424 | break; |
| 1425 | default: |
| 1426 | break; |
| 1427 | } |
| 1428 | } |
| 1429 | |
| 1430 | PRE(personality) |
| 1431 | { |
| 1432 | /* int personality(unsigned long persona); */ |
| 1433 | MAYBE_PRINTF("personality ( %d )\n", arg1); |
| 1434 | } |
| 1435 | |
| 1436 | PRE(chroot) |
| 1437 | { |
| 1438 | /* int chroot(const char *path); */ |
| 1439 | MAYBE_PRINTF("chroot ( %p )\n", arg1); |
| 1440 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "chroot(path)", arg1 ); |
| 1441 | } |
| 1442 | |
| 1443 | PRE(madvise) |
| 1444 | { |
| 1445 | /* int madvise(void *start, size_t length, int advice ); */ |
| 1446 | MAYBE_PRINTF("madvise ( %p, %d, %d )\n", arg1,arg2,arg3); |
| 1447 | } |
| 1448 | |
| 1449 | PRE(mremap) |
| 1450 | { |
nethercote | 27ea8bc | 2004-07-10 17:21:14 +0000 | [diff] [blame] | 1451 | // Nb: this is different to the glibc version described in the man pages, |
| 1452 | // which lacks the fifth 'new_address' argument. |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1453 | /* void* mremap(void * old_address, size_t old_size, |
fitzhardinge | 1a30304 | 2003-12-22 08:48:50 +0000 | [diff] [blame] | 1454 | size_t new_size, unsigned long flags, void * new_address); */ |
| 1455 | MAYBE_PRINTF("mremap ( %p, %d, %d, 0x%x, %p )\n", |
| 1456 | arg1, arg2, arg3, arg4, arg5); |
nethercote | 27ea8bc | 2004-07-10 17:21:14 +0000 | [diff] [blame] | 1457 | |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 1458 | set_result( mremap_segment((Addr)arg1, arg2, (Addr)arg5, arg3, arg4, tid) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1459 | } |
| 1460 | |
| 1461 | PRE(nice) |
| 1462 | { |
| 1463 | /* int nice(int inc); */ |
| 1464 | MAYBE_PRINTF("nice ( %d )\n", arg1); |
| 1465 | } |
| 1466 | |
| 1467 | PRE(setresgid32) |
| 1468 | { |
| 1469 | /* int setresgid(gid_t rgid, gid_t egid, gid_t sgid); */ |
| 1470 | MAYBE_PRINTF("setresgid32 ( %d, %d, %d )\n", arg1, arg2, arg3); |
| 1471 | } |
| 1472 | |
| 1473 | PRE(setfsuid32) |
| 1474 | { |
| 1475 | /* int setfsuid(uid_t fsuid); */ |
| 1476 | MAYBE_PRINTF("setfsuid ( %d )\n", arg1); |
| 1477 | } |
| 1478 | |
| 1479 | PRE(_sysctl) |
| 1480 | { |
| 1481 | /* int _sysctl(struct __sysctl_args *args); */ |
| 1482 | MAYBE_PRINTF("_sysctl ( %p )\n", arg1 ); |
| 1483 | SYSCALL_TRACK( pre_mem_write, tid, "_sysctl(args)", arg1, |
| 1484 | sizeof(struct __sysctl_args) ); |
| 1485 | } |
| 1486 | |
| 1487 | POST(_sysctl) |
| 1488 | { |
| 1489 | VG_TRACK( post_mem_write, arg1, sizeof(struct __sysctl_args) ); |
| 1490 | |
| 1491 | } |
| 1492 | |
| 1493 | PRE(sched_getscheduler) |
| 1494 | { |
| 1495 | /* int sched_getscheduler(pid_t pid); */ |
| 1496 | MAYBE_PRINTF("sched_getscheduler ( %d )\n", arg1); |
| 1497 | } |
| 1498 | |
| 1499 | PRE(sched_setscheduler) |
| 1500 | { |
| 1501 | /* int sched_setscheduler(pid_t pid, int policy, |
| 1502 | const struct sched_param *p); */ |
| 1503 | MAYBE_PRINTF("sched_setscheduler ( %d, %d, %p )\n",arg1,arg2,arg3); |
| 1504 | if (arg3 != (UInt)NULL) |
| 1505 | SYSCALL_TRACK( pre_mem_read, tid, |
| 1506 | "sched_setscheduler(struct sched_param *p)", |
| 1507 | arg3, sizeof(struct sched_param)); |
| 1508 | } |
| 1509 | |
| 1510 | PRE(mlock) |
| 1511 | { |
| 1512 | /* int mlock(const void * addr, size_t len) */ |
| 1513 | MAYBE_PRINTF("mlock ( %p, %d )\n", arg1, arg2); |
| 1514 | } |
| 1515 | |
| 1516 | PRE(munlock) |
| 1517 | { |
| 1518 | /* int munlock(const void * addr, size_t len) */ |
| 1519 | MAYBE_PRINTF("munlock ( %p, %d )\n", arg1, arg2); |
| 1520 | } |
| 1521 | |
| 1522 | PRE(mlockall) |
| 1523 | { |
| 1524 | /* int mlockall(int flags); */ |
| 1525 | MAYBE_PRINTF("mlockall ( %x )\n", arg1); |
| 1526 | } |
| 1527 | |
| 1528 | PRE(munlockall) |
| 1529 | { |
nethercote | e70bd7d | 2004-08-18 14:37:17 +0000 | [diff] [blame] | 1530 | /* int munlockall(void) */ |
| 1531 | MAYBE_PRINTF("munlockall()\n"); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1532 | } |
| 1533 | |
| 1534 | PRE(sched_get_priority_max) |
| 1535 | { |
| 1536 | /* int sched_get_priority_max(int policy); */ |
| 1537 | MAYBE_PRINTF("sched_get_priority_max ( %d )\n", arg1); |
| 1538 | } |
| 1539 | |
| 1540 | PRE(sched_get_priority_min) |
| 1541 | { |
| 1542 | /* int sched_get_priority_min(int policy); */ |
| 1543 | MAYBE_PRINTF("sched_get_priority_min ( %d )\n", arg1); |
| 1544 | } |
| 1545 | |
| 1546 | PRE(setpriority) |
| 1547 | { |
| 1548 | /* int setpriority(int which, int who, int prio); */ |
| 1549 | MAYBE_PRINTF("setpriority ( %d, %d, %d )\n", arg1, arg2, arg3); |
| 1550 | } |
| 1551 | |
| 1552 | PRE(getpriority) |
| 1553 | { |
| 1554 | /* int getpriority(int which, int who); */ |
| 1555 | MAYBE_PRINTF("getpriority ( %d, %d )\n", arg1, arg2); |
| 1556 | } |
| 1557 | |
| 1558 | PRE(setfsgid) |
| 1559 | { |
| 1560 | /* int setfsgid(gid_t gid); */ |
| 1561 | MAYBE_PRINTF("setfsgid ( %d )\n", arg1); |
| 1562 | } |
| 1563 | |
| 1564 | PRE(setregid) |
| 1565 | { |
| 1566 | /* int setregid(gid_t rgid, gid_t egid); */ |
| 1567 | MAYBE_PRINTF("setregid ( %d, %d )\n", arg1, arg2); |
| 1568 | } |
| 1569 | |
| 1570 | PRE(setresuid) |
| 1571 | { |
| 1572 | /* int setresuid(uid_t ruid, uid_t euid, uid_t suid); */ |
| 1573 | MAYBE_PRINTF("setresuid ( %d, %d, %d )\n", arg1, arg2, arg3); |
| 1574 | } |
| 1575 | |
| 1576 | PRE(setfsuid) |
| 1577 | { |
| 1578 | /* int setfsuid(uid_t uid); */ |
| 1579 | MAYBE_PRINTF("setfsuid ( %d )\n", arg1); |
| 1580 | } |
| 1581 | |
| 1582 | PRE(sendfile) |
| 1583 | { |
| 1584 | /* ssize_t sendfile(int out_fd, int in_fd, off_t *offset, |
| 1585 | size_t count) */ |
| 1586 | MAYBE_PRINTF("sendfile ( %d, %d, %p, %d )\n",arg1,arg2,arg3,arg4); |
| 1587 | if (arg3 != (UInt)NULL) |
| 1588 | SYSCALL_TRACK( pre_mem_write, tid, "sendfile(offset)", |
| 1589 | arg3, sizeof(off_t) ); |
| 1590 | } |
| 1591 | |
| 1592 | POST(sendfile) |
| 1593 | { |
| 1594 | VG_TRACK( post_mem_write, arg3, sizeof( off_t ) ); |
| 1595 | } |
| 1596 | |
| 1597 | PRE(sendfile64) |
| 1598 | { |
| 1599 | /* ssize_t sendfile64(int out_df, int in_fd, loff_t *offset, |
| 1600 | size_t count); */ |
| 1601 | MAYBE_PRINTF("sendfile64 ( %d, %d, %p, %d )\n",arg1,arg2,arg3,arg4); |
| 1602 | if (arg3 != (UInt)NULL) |
| 1603 | SYSCALL_TRACK( pre_mem_write, tid, "sendfile64(offset)", |
| 1604 | arg3, sizeof(loff_t) ); |
| 1605 | } |
| 1606 | |
| 1607 | POST(sendfile64) |
| 1608 | { |
| 1609 | if (arg3 != (UInt)NULL ) { |
| 1610 | VG_TRACK( post_mem_write, arg3, sizeof(loff_t) ); |
| 1611 | } |
| 1612 | } |
| 1613 | |
| 1614 | PRE(pwrite64) |
| 1615 | { |
nethercote | e70bd7d | 2004-08-18 14:37:17 +0000 | [diff] [blame] | 1616 | // ssize_t pwrite64(int fd, const void *buf, size_t nbytes, loff_t offset); |
| 1617 | MAYBE_PRINTF("pwrite64 ( %d, %p, %d, %lld )\n", |
| 1618 | arg1, arg2, arg3, arg4|((ULong) arg5 << 32)); |
| 1619 | SYSCALL_TRACK( pre_mem_read, tid, "pwrite64(buf)", arg2, arg3 ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1620 | } |
| 1621 | |
| 1622 | PRE(sync) |
| 1623 | { |
| 1624 | /* int sync(); */ |
| 1625 | MAYBE_PRINTF("sync ( )\n"); |
| 1626 | } |
| 1627 | |
| 1628 | PRE(fstatfs) |
| 1629 | { |
| 1630 | /* int fstatfs(int fd, struct statfs *buf); */ |
| 1631 | MAYBE_PRINTF("fstatfs ( %d, %p )\n",arg1,arg2); |
| 1632 | SYSCALL_TRACK( pre_mem_write, tid, "stat(buf)", |
thughes | 66d8009 | 2004-06-19 12:41:05 +0000 | [diff] [blame] | 1633 | arg2, sizeof(struct vki_statfs) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1634 | } |
| 1635 | |
| 1636 | POST(fstatfs) |
| 1637 | { |
thughes | 66d8009 | 2004-06-19 12:41:05 +0000 | [diff] [blame] | 1638 | VG_TRACK( post_mem_write, arg2, sizeof(struct vki_statfs) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1639 | } |
| 1640 | |
thughes | a996d3b | 2004-09-24 22:57:17 +0000 | [diff] [blame] | 1641 | PRE(fstatfs64) |
| 1642 | { |
| 1643 | /* int fstatfs64(int fd, size_t sz, struct statfs *buf); */ |
| 1644 | MAYBE_PRINTF("fstatfs64 ( %d, %p )\n",arg1,arg2); |
| 1645 | SYSCALL_TRACK( pre_mem_write, tid, "stat(buf)", arg3, arg2 ); |
| 1646 | } |
| 1647 | |
| 1648 | POST(fstatfs64) |
| 1649 | { |
| 1650 | VG_TRACK( post_mem_write, arg3, arg2 ); |
| 1651 | } |
| 1652 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1653 | PRE(getsid) |
| 1654 | { |
| 1655 | /* pid_t getsid(pid_t pid); */ |
| 1656 | MAYBE_PRINTF("getsid ( %d )\n", arg1); |
| 1657 | } |
| 1658 | |
| 1659 | PRE(pread64) |
| 1660 | { |
nethercote | e70bd7d | 2004-08-18 14:37:17 +0000 | [diff] [blame] | 1661 | /* ssize_t pread64(int fd, void *buf, size_t count, loff_t offset); */ |
| 1662 | MAYBE_PRINTF("pread ( %d, %p, %d, %lld )\n", |
| 1663 | arg1, arg2, arg3, arg4|((ULong) arg5 << 32)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1664 | SYSCALL_TRACK( pre_mem_write, tid, "pread(buf)", arg2, arg3 ); |
| 1665 | } |
| 1666 | |
| 1667 | POST(pread64) |
| 1668 | { |
| 1669 | MAYBE_PRINTF("SYSCALL[%d] pread ( %d, %p, %d, %d ) --> %d\n", |
| 1670 | VG_(getpid)(), |
| 1671 | arg1, arg2, arg3, arg4, res); |
| 1672 | if (res > 0) { |
| 1673 | VG_TRACK( post_mem_write, arg2, res ); |
| 1674 | } |
| 1675 | } |
| 1676 | |
| 1677 | PRE(mknod) |
| 1678 | { |
| 1679 | /* int mknod(const char *pathname, mode_t mode, dev_t dev); */ |
| 1680 | MAYBE_PRINTF("mknod ( %p, 0x%x, 0x%x )\n", arg1, arg2, arg3 ); |
| 1681 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "mknod(pathname)", arg1 ); |
| 1682 | } |
| 1683 | |
| 1684 | PRE(flock) |
| 1685 | { |
| 1686 | /* int flock(int fd, int operation); */ |
| 1687 | MAYBE_PRINTF("flock ( %d, %d )\n", arg1, arg2 ); |
| 1688 | } |
| 1689 | |
| 1690 | PRE(init_module) |
| 1691 | { |
| 1692 | /* int init_module(const char *name, struct module *image); */ |
| 1693 | MAYBE_PRINTF("init_module ( %p, %p )\n", arg1, arg2 ); |
| 1694 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "init_module(name)", arg1 ); |
| 1695 | SYSCALL_TRACK( pre_mem_read, tid, "init_module(image)", arg2, |
| 1696 | VKI_SIZEOF_STRUCT_MODULE ); |
| 1697 | } |
| 1698 | |
| 1699 | PRE(ioperm) |
| 1700 | { |
| 1701 | /* int ioperm(unsigned long from, unsigned long num, int turn_on); */ |
| 1702 | MAYBE_PRINTF("ioperm ( %d, %d, %d )\n", arg1, arg2, arg3 ); |
| 1703 | } |
| 1704 | |
| 1705 | PRE(capget) |
| 1706 | { |
| 1707 | /* int capget(cap_user_header_t header, cap_user_data_t data); */ |
| 1708 | MAYBE_PRINTF("capget ( %p, %p )\n", arg1, arg2 ); |
| 1709 | SYSCALL_TRACK( pre_mem_read, tid, "capget(header)", arg1, |
| 1710 | sizeof(vki_cap_user_header_t) ); |
| 1711 | SYSCALL_TRACK( pre_mem_write, tid, "capget(data)", arg2, |
| 1712 | sizeof( vki_cap_user_data_t) ); |
| 1713 | } |
| 1714 | |
| 1715 | POST(capget) |
| 1716 | { |
| 1717 | if (arg2 != (Addr)NULL) |
| 1718 | VG_TRACK( post_mem_write, arg2, sizeof( vki_cap_user_data_t) ); |
| 1719 | } |
| 1720 | |
| 1721 | PRE(capset) |
| 1722 | { |
| 1723 | SYSCALL_TRACK( pre_mem_read, tid, "capset(header)", |
| 1724 | arg1, sizeof(vki_cap_user_header_t) ); |
| 1725 | SYSCALL_TRACK( pre_mem_read, tid, "capset(data)", |
| 1726 | arg2, sizeof( vki_cap_user_data_t) ); |
| 1727 | } |
| 1728 | |
nethercote | a81e916 | 2004-02-12 14:34:14 +0000 | [diff] [blame] | 1729 | // Pre_read a char** argument. |
| 1730 | void pre_argv_envp(Addr a, ThreadId tid, Char* s1, Char* s2) |
| 1731 | { |
| 1732 | while (True) { |
| 1733 | Addr a_deref = deref_Addr( tid, a, s1 ); |
| 1734 | if (0 == a_deref) |
| 1735 | break; |
| 1736 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, s2, a_deref ); |
| 1737 | a += sizeof(char*); |
| 1738 | } |
| 1739 | } |
| 1740 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1741 | PRE(execve) |
| 1742 | { |
| 1743 | /* int execve (const char *filename, |
| 1744 | char *const argv [], |
| 1745 | char *const envp[]); */ |
nethercote | a81e916 | 2004-02-12 14:34:14 +0000 | [diff] [blame] | 1746 | MAYBE_PRINTF("execve ( %p(%s), %p, %p )\n", arg1, arg1, arg2, arg3); |
| 1747 | |
| 1748 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "execve(filename)", arg1 ); |
thughes | 7f72d01 | 2004-07-21 16:23:38 +0000 | [diff] [blame] | 1749 | if (arg2 != (UInt)NULL) |
| 1750 | pre_argv_envp( arg2, tid, "execve(argv)", "execve(argv[i])" ); |
thughes | 4b9e015 | 2004-06-19 13:02:34 +0000 | [diff] [blame] | 1751 | if (arg3 != (UInt)NULL) |
| 1752 | pre_argv_envp( arg3, tid, "execve(envp)", "execve(envp[i])" ); |
fitzhardinge | e1c06d8 | 2003-10-30 07:21:44 +0000 | [diff] [blame] | 1753 | |
| 1754 | /* Erk. If the exec fails, then the following will have made a |
| 1755 | mess of things which makes it hard for us to continue. The |
| 1756 | right thing to do is piece everything together again in |
| 1757 | POST(execve), but that's hard work. Instead, we make an effort |
| 1758 | to check that the execve will work before actually calling |
| 1759 | exec. */ |
| 1760 | { |
| 1761 | struct vki_stat st; |
| 1762 | Int ret = VG_(stat)((Char *)arg1, &st); |
| 1763 | |
| 1764 | if (ret < 0) { |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 1765 | set_result( ret ); |
fitzhardinge | e1c06d8 | 2003-10-30 07:21:44 +0000 | [diff] [blame] | 1766 | return; |
| 1767 | } |
thughes | 90efa30 | 2004-09-25 16:13:55 +0000 | [diff] [blame] | 1768 | /* just look for regular file with any X bit set |
fitzhardinge | e1c06d8 | 2003-10-30 07:21:44 +0000 | [diff] [blame] | 1769 | XXX do proper permissions check? |
| 1770 | */ |
thughes | 90efa30 | 2004-09-25 16:13:55 +0000 | [diff] [blame] | 1771 | if ((st.st_mode & 0100111) == 0100000) { |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 1772 | set_result( -VKI_EACCES ); |
fitzhardinge | e1c06d8 | 2003-10-30 07:21:44 +0000 | [diff] [blame] | 1773 | return; |
| 1774 | } |
| 1775 | } |
| 1776 | |
| 1777 | /* Resistance is futile. Nuke all other threads. POSIX mandates |
| 1778 | this. (Really, nuke them all, since the new process will make |
| 1779 | its own new thread.) */ |
| 1780 | VG_(nuke_all_threads_except)( VG_INVALID_THREADID ); |
| 1781 | |
fitzhardinge | 5408c06 | 2004-01-04 23:52:59 +0000 | [diff] [blame] | 1782 | { |
nethercote | 60a96c5 | 2004-08-03 13:08:31 +0000 | [diff] [blame] | 1783 | // Remove the valgrind-specific stuff from the environment so the |
| 1784 | // child doesn't get our libpthread and other stuff. This is |
| 1785 | // done unconditionally, since if we are tracing the child, |
| 1786 | // stage1/2 will set up the appropriate client environment. |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1787 | Char** envp = (Char**)arg3; |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1788 | |
| 1789 | if (envp != NULL) { |
nethercote | 60a96c5 | 2004-08-03 13:08:31 +0000 | [diff] [blame] | 1790 | VG_(env_remove_valgrind_env_stuff)( envp ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1791 | } |
fitzhardinge | 5408c06 | 2004-01-04 23:52:59 +0000 | [diff] [blame] | 1792 | } |
| 1793 | |
| 1794 | if (VG_(clo_trace_children)) { |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 1795 | Char* optvar = VG_(build_child_VALGRINDCLO)( (Char*)arg1 ); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1796 | |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 1797 | // Set VALGRINDCLO and VALGRINDLIB in arg3 (the environment) |
| 1798 | VG_(env_setenv)( (Char***)&arg3, VALGRINDCLO, optvar); |
| 1799 | VG_(env_setenv)( (Char***)&arg3, VALGRINDLIB, VG_(libdir)); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1800 | |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 1801 | // Create executable name: "/proc/self/fd/<vgexecfd>", update arg1 |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 1802 | arg1 = (Addr)VG_(build_child_exename)(); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1803 | } |
| 1804 | |
| 1805 | if (0) { |
| 1806 | Char **cpp; |
| 1807 | |
| 1808 | VG_(printf)("exec: %s\n", (Char *)arg1); |
| 1809 | for(cpp = (Char **)arg2; cpp && *cpp; cpp++) |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 1810 | VG_(printf)("argv: %s\n", *cpp); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1811 | for(cpp = (Char **)arg3; cpp && *cpp; cpp++) |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 1812 | VG_(printf)("env: %s\n", *cpp); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1813 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1814 | |
fitzhardinge | f0dd7e1 | 2004-01-16 02:17:30 +0000 | [diff] [blame] | 1815 | /* Set our real sigmask to match the client's sigmask so that the |
| 1816 | exec'd child will get the right mask. First we need to clear |
| 1817 | out any pending signals so they they don't get delivered, which |
| 1818 | would confuse things. |
| 1819 | |
| 1820 | XXX This is a bug - the signals should remain pending, and be |
| 1821 | delivered to the new process after exec. There's also a |
| 1822 | race-condition, since if someone delivers us a signal between |
| 1823 | the sigprocmask and the execve, we'll still get the signal. Oh |
| 1824 | well. |
| 1825 | */ |
| 1826 | { |
| 1827 | vki_ksigset_t allsigs; |
| 1828 | vki_ksiginfo_t info; |
| 1829 | static const struct vki_timespec zero = { 0, 0 }; |
| 1830 | |
| 1831 | VG_(ksigfillset)(&allsigs); |
| 1832 | while(VG_(ksigtimedwait)(&allsigs, &info, &zero) > 0) |
| 1833 | ; |
| 1834 | |
| 1835 | VG_(ksigprocmask)(VKI_SIG_SETMASK, &tst->sig_mask, NULL); |
| 1836 | } |
| 1837 | |
fitzhardinge | b50068f | 2004-02-24 23:42:55 +0000 | [diff] [blame] | 1838 | /* restore the DATA rlimit for the child */ |
| 1839 | VG_(setrlimit)(VKI_RLIMIT_DATA, &VG_(client_rlimit_data)); |
| 1840 | |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 1841 | set_result( VG_(do_syscall)(__NR_execve, arg1, arg2, arg3) ); |
fitzhardinge | e1c06d8 | 2003-10-30 07:21:44 +0000 | [diff] [blame] | 1842 | |
| 1843 | /* If we got here, then the execve failed. We've already made too much of a mess |
| 1844 | of ourselves to continue, so we have to abort. */ |
nethercote | e70bd7d | 2004-08-18 14:37:17 +0000 | [diff] [blame] | 1845 | VG_(message)(Vg_UserMsg, "execve(%p(%s), %p, %p) failed, errno %d", |
fitzhardinge | e1c06d8 | 2003-10-30 07:21:44 +0000 | [diff] [blame] | 1846 | arg1, arg1, arg2, arg3, -res); |
| 1847 | VG_(core_panic)("EXEC FAILED: I can't recover from execve() failing, so I'm dying.\n" |
| 1848 | "Add more stringent tests in PRE(execve), or work out how to recover."); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1849 | } |
| 1850 | |
| 1851 | PRE(access) |
| 1852 | { |
| 1853 | /* int access(const char *pathname, int mode); */ |
thughes | 8ba345e | 2004-08-26 12:26:27 +0000 | [diff] [blame] | 1854 | MAYBE_PRINTF("access ( %p(%s), %d )\n", arg1,arg1,arg2); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1855 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "access(pathname)", arg1 ); |
| 1856 | } |
| 1857 | |
| 1858 | PRE(alarm) |
| 1859 | { |
| 1860 | /* unsigned int alarm(unsigned int seconds); */ |
| 1861 | MAYBE_PRINTF("alarm ( %d )\n", arg1); |
| 1862 | } |
| 1863 | |
| 1864 | PRE(brk) |
| 1865 | { |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1866 | Addr brk_limit = VG_(brk_limit); |
| 1867 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1868 | /* libc says: int brk(void *end_data_segment); |
| 1869 | kernel says: void* brk(void* end_data_segment); (more or less) |
| 1870 | |
| 1871 | libc returns 0 on success, and -1 (and sets errno) on failure. |
| 1872 | Nb: if you ask to shrink the dataseg end below what it |
| 1873 | currently is, that always succeeds, even if the dataseg end |
| 1874 | doesn't actually change (eg. brk(0)). Unless it seg faults. |
| 1875 | |
| 1876 | Kernel returns the new dataseg end. If the brk() failed, this |
| 1877 | will be unchanged from the old one. That's why calling (kernel) |
| 1878 | brk(0) gives the current dataseg end (libc brk() just returns |
| 1879 | zero in that case). |
| 1880 | |
| 1881 | Both will seg fault if you shrink it back into a text segment. |
| 1882 | */ |
| 1883 | MAYBE_PRINTF("brk ( %p ) --> ",arg1); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1884 | |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 1885 | set_result( do_brk(arg1) ); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1886 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1887 | MAYBE_PRINTF("0x%x\n", res); |
| 1888 | |
| 1889 | if (res == arg1) { |
| 1890 | /* brk() succeeded */ |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1891 | if (res < brk_limit) { |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1892 | /* successfully shrunk the data segment. */ |
| 1893 | VG_TRACK( die_mem_brk, (Addr)arg1, |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1894 | brk_limit-arg1 ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1895 | } else |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1896 | if (res > brk_limit) { |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1897 | /* successfully grew the data segment */ |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1898 | VG_TRACK( new_mem_brk, brk_limit, |
| 1899 | arg1-brk_limit ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1900 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1901 | } else { |
| 1902 | /* brk() failed */ |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1903 | vg_assert(brk_limit == res); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1904 | } |
| 1905 | } |
| 1906 | |
| 1907 | PRE(chdir) |
| 1908 | { |
| 1909 | /* int chdir(const char *path); */ |
| 1910 | MAYBE_PRINTF("chdir ( %p )\n", arg1); |
| 1911 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "chdir(path)", arg1 ); |
| 1912 | } |
| 1913 | |
| 1914 | PRE(chmod) |
| 1915 | { |
| 1916 | /* int chmod(const char *path, mode_t mode); */ |
| 1917 | MAYBE_PRINTF("chmod ( %p, %d )\n", arg1,arg2); |
| 1918 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "chmod(path)", arg1 ); |
| 1919 | } |
| 1920 | |
| 1921 | PRE(chown) |
| 1922 | { |
| 1923 | /* int chown(const char *path, uid_t owner, gid_t group); */ |
| 1924 | MAYBE_PRINTF("chown ( %p, 0x%x, 0x%x )\n", arg1,arg2,arg3); |
| 1925 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "chown(path)", arg1 ); |
| 1926 | } |
| 1927 | |
| 1928 | PREALIAS(chown32, chown); |
| 1929 | PREALIAS(lchown32, chown); |
| 1930 | |
| 1931 | PRE(close) |
| 1932 | { |
| 1933 | /* int close(int fd); */ |
| 1934 | MAYBE_PRINTF("close ( %d )\n",arg1); |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 1935 | /* Detect and negate attempts by the client to close Valgrind's log fd */ |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 1936 | if (!fd_allowed(arg1, "close", tid, False)) |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 1937 | set_result( -VKI_EBADF ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1938 | } |
| 1939 | |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 1940 | POST(close) |
| 1941 | { |
| 1942 | if(VG_(clo_track_fds)) record_fd_close(tid, arg1); |
| 1943 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1944 | |
| 1945 | PRE(dup) |
| 1946 | { |
| 1947 | /* int dup(int oldfd); */ |
| 1948 | MAYBE_PRINTF("dup ( %d ) --> ", arg1); |
| 1949 | } |
| 1950 | |
| 1951 | POST(dup) |
| 1952 | { |
| 1953 | MAYBE_PRINTF("%d\n", res); |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 1954 | if (!fd_allowed(res, "dup", tid, True)) { |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1955 | VG_(close)(res); |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 1956 | set_result( -VKI_EMFILE ); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 1957 | } else { |
| 1958 | if(VG_(clo_track_fds)) |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1959 | record_fd_open(tid, res, VG_(resolve_filename)(res)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1960 | } |
| 1961 | } |
| 1962 | |
| 1963 | PRE(dup2) |
| 1964 | { |
| 1965 | /* int dup2(int oldfd, int newfd); */ |
| 1966 | MAYBE_PRINTF("dup2 ( %d, %d ) ...\n", arg1,arg2); |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 1967 | if (!fd_allowed(arg2, "dup2", tid, True)) |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 1968 | set_result( -VKI_EBADF ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1969 | } |
| 1970 | |
| 1971 | POST(dup2) |
| 1972 | { |
| 1973 | MAYBE_PRINTF("SYSCALL[%d] dup2 ( %d, %d ) = %d\n", |
| 1974 | VG_(getpid)(), |
| 1975 | arg1, arg2, res); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 1976 | if(VG_(clo_track_fds)) |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1977 | record_fd_open(tid, res, VG_(resolve_filename)(res)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1978 | } |
| 1979 | |
| 1980 | PRE(fcntl) |
| 1981 | { |
| 1982 | /* int fcntl(int fd, int cmd, int arg); */ |
| 1983 | MAYBE_PRINTF("fcntl ( %d, %d, %d )\n",arg1,arg2,arg3); |
thughes | d4b51a6 | 2004-07-29 21:20:11 +0000 | [diff] [blame] | 1984 | if (arg2 == VKI_F_SETLKW) |
| 1985 | tst->sys_flags |= MayBlock; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1986 | } |
| 1987 | |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 1988 | POST(fcntl) |
| 1989 | { |
nethercote | 493dd18 | 2004-02-24 23:57:47 +0000 | [diff] [blame] | 1990 | if (arg2 == VKI_F_DUPFD) { |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 1991 | if (!fd_allowed(res, "fcntl(DUPFD)", tid, True)) { |
nethercote | 493dd18 | 2004-02-24 23:57:47 +0000 | [diff] [blame] | 1992 | VG_(close)(res); |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 1993 | set_result( -VKI_EMFILE ); |
nethercote | 493dd18 | 2004-02-24 23:57:47 +0000 | [diff] [blame] | 1994 | } else { |
| 1995 | if (VG_(clo_track_fds)) |
| 1996 | record_fd_open(tid, res, VG_(resolve_filename)(res)); |
| 1997 | } |
| 1998 | } |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 1999 | } |
| 2000 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2001 | PRE(fchdir) |
| 2002 | { |
| 2003 | /* int fchdir(int fd); */ |
| 2004 | MAYBE_PRINTF("fchdir ( %d )\n", arg1); |
| 2005 | } |
| 2006 | |
| 2007 | PRE(fchown) |
| 2008 | { |
| 2009 | /* int fchown(int filedes, uid_t owner, gid_t group); */ |
| 2010 | MAYBE_PRINTF("fchown ( %d, %d, %d )\n", arg1,arg2,arg3); |
| 2011 | } |
| 2012 | |
| 2013 | PREALIAS(fchown32, fchown); |
| 2014 | |
| 2015 | PRE(fchmod) |
| 2016 | { |
| 2017 | /* int fchmod(int fildes, mode_t mode); */ |
| 2018 | MAYBE_PRINTF("fchmod ( %d, %d )\n", arg1,arg2); |
| 2019 | } |
| 2020 | |
| 2021 | PRE(fcntl64) |
| 2022 | { |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 2023 | /* int fcntl64(int fd, int cmd, int arg); */ |
| 2024 | MAYBE_PRINTF("fcntl64 ( %d, %d, %d )\n", arg1,arg2,arg3); |
thughes | d4b51a6 | 2004-07-29 21:20:11 +0000 | [diff] [blame] | 2025 | if (arg2 == VKI_F_SETLKW || arg2 == VKI_F_SETLKW64) |
| 2026 | tst->sys_flags |= MayBlock; |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 2027 | } |
| 2028 | |
| 2029 | POST(fcntl64) |
| 2030 | { |
nethercote | 493dd18 | 2004-02-24 23:57:47 +0000 | [diff] [blame] | 2031 | if (arg2 == VKI_F_DUPFD) { |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 2032 | if (!fd_allowed(res, "fcntl64(DUPFD)", tid, True)) { |
nethercote | 493dd18 | 2004-02-24 23:57:47 +0000 | [diff] [blame] | 2033 | VG_(close)(res); |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 2034 | set_result( -VKI_EMFILE ); |
nethercote | 493dd18 | 2004-02-24 23:57:47 +0000 | [diff] [blame] | 2035 | } else { |
| 2036 | if (VG_(clo_track_fds)) |
| 2037 | record_fd_open(tid, res, VG_(resolve_filename)(res)); |
| 2038 | } |
| 2039 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2040 | } |
| 2041 | |
| 2042 | PRE(fstat) |
| 2043 | { |
| 2044 | /* int fstat(int filedes, struct stat *buf); */ |
| 2045 | MAYBE_PRINTF("fstat ( %d, %p )\n",arg1,arg2); |
| 2046 | SYSCALL_TRACK( pre_mem_write, tid, "fstat", arg2, sizeof(struct stat) ); |
| 2047 | } |
| 2048 | |
| 2049 | POST(fstat) |
| 2050 | { |
| 2051 | VG_TRACK( post_mem_write, arg2, sizeof(struct stat) ); |
| 2052 | } |
| 2053 | |
| 2054 | static vki_ksigset_t fork_saved_mask; |
| 2055 | |
| 2056 | PRE(fork) |
| 2057 | { |
| 2058 | vki_ksigset_t mask; |
| 2059 | |
| 2060 | vg_assert(VG_(gettid)() == VG_(main_pid)); |
| 2061 | |
| 2062 | /* Block all signals during fork, so that we can fix things up in |
| 2063 | the child without being interrupted. */ |
| 2064 | VG_(ksigfillset)(&mask); |
| 2065 | VG_(ksigprocmask)(VKI_SIG_SETMASK, &mask, &fork_saved_mask); |
| 2066 | |
| 2067 | /* pid_t fork(void); */ |
| 2068 | MAYBE_PRINTF("fork ()\n"); |
| 2069 | |
| 2070 | do_atfork_pre(tid); |
| 2071 | } |
| 2072 | |
| 2073 | POST(fork) |
| 2074 | { |
| 2075 | if (res == 0) { |
| 2076 | do_atfork_child(tid); |
| 2077 | |
| 2078 | /* I am the child. Nuke all other threads which I might |
| 2079 | have inherited from my parent. POSIX mandates this. */ |
| 2080 | VG_(nuke_all_threads_except)( tid ); |
| 2081 | |
| 2082 | /* XXX TODO: tid 1 is special, and is presumed to be present. |
| 2083 | We should move this TID to 1 in the child. */ |
| 2084 | |
| 2085 | /* restore signal mask */ |
| 2086 | VG_(ksigprocmask)(VKI_SIG_SETMASK, &fork_saved_mask, NULL); |
| 2087 | } else { |
| 2088 | MAYBE_PRINTF(" fork: process %d created child %d\n", VG_(main_pid), res); |
| 2089 | |
| 2090 | do_atfork_parent(tid); |
| 2091 | |
| 2092 | /* restore signal mask */ |
| 2093 | VG_(ksigprocmask)(VKI_SIG_SETMASK, &fork_saved_mask, NULL); |
| 2094 | } |
| 2095 | } |
| 2096 | |
fitzhardinge | 47735af | 2004-01-21 01:27:27 +0000 | [diff] [blame] | 2097 | PRE(clone) |
| 2098 | { |
| 2099 | MAYBE_PRINTF("clone ( %d, %p, %p, %p, %p )\n",arg1,arg2,arg3,arg4,arg5); |
| 2100 | |
| 2101 | if (arg2 == 0 && |
nethercote | a3d718e | 2004-02-15 16:15:05 +0000 | [diff] [blame] | 2102 | (arg1 == (VKI_CLONE_CHILD_CLEARTID|VKI_CLONE_CHILD_SETTID|VKI_SIGCHLD) |
| 2103 | || arg1 == (VKI_CLONE_PARENT_SETTID|VKI_SIGCHLD))) |
| 2104 | { |
fitzhardinge | 47735af | 2004-01-21 01:27:27 +0000 | [diff] [blame] | 2105 | before_fork(tid, tst); |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 2106 | set_result( VG_(do_syscall)(SYSNO, arg1, arg2, arg3, arg4, arg5) ); |
fitzhardinge | 47735af | 2004-01-21 01:27:27 +0000 | [diff] [blame] | 2107 | after_fork(tid, tst); |
| 2108 | } else { |
| 2109 | VG_(unimplemented) |
| 2110 | ("clone(): not supported by Valgrind.\n " |
| 2111 | "We do now support programs linked against\n " |
| 2112 | "libpthread.so, though. Re-run with -v and ensure that\n " |
| 2113 | "you are picking up Valgrind's implementation of libpthread.so."); |
| 2114 | } |
| 2115 | } |
| 2116 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2117 | PRE(fsync) |
| 2118 | { |
| 2119 | /* int fsync(int fd); */ |
| 2120 | MAYBE_PRINTF("fsync ( %d )\n", arg1); |
| 2121 | } |
| 2122 | |
| 2123 | PRE(ftruncate) |
| 2124 | { |
| 2125 | /* int ftruncate(int fd, size_t length); */ |
| 2126 | MAYBE_PRINTF("ftruncate ( %d, %d )\n", arg1,arg2); |
| 2127 | } |
| 2128 | |
| 2129 | PRE(ftruncate64) |
| 2130 | { |
| 2131 | /* int ftruncate64(int fd, off64_t length); */ |
| 2132 | MAYBE_PRINTF("ftruncate64 ( %d, %lld )\n", |
| 2133 | arg1,arg2|((long long) arg3 << 32)); |
| 2134 | } |
| 2135 | |
| 2136 | PRE(getdents) |
| 2137 | { |
| 2138 | /* int getdents(unsigned int fd, struct dirent *dirp, |
| 2139 | unsigned int count); */ |
| 2140 | MAYBE_PRINTF("getdents ( %d, %p, %d )\n",arg1,arg2,arg3); |
| 2141 | SYSCALL_TRACK( pre_mem_write, tid, "getdents(dirp)", arg2, arg3 ); |
| 2142 | } |
| 2143 | |
| 2144 | POST(getdents) |
| 2145 | { |
| 2146 | if (res > 0) |
| 2147 | VG_TRACK( post_mem_write, arg2, res ); |
| 2148 | } |
| 2149 | |
| 2150 | PRE(getdents64) |
| 2151 | { |
| 2152 | /* int getdents(unsigned int fd, struct dirent64 *dirp, |
| 2153 | unsigned int count); */ |
| 2154 | MAYBE_PRINTF("getdents64 ( %d, %p, %d )\n",arg1,arg2,arg3); |
| 2155 | SYSCALL_TRACK( pre_mem_write, tid, "getdents64(dirp)", arg2, arg3 ); |
| 2156 | } |
| 2157 | |
| 2158 | POST(getdents64) |
| 2159 | { |
| 2160 | if (res > 0) |
| 2161 | VG_TRACK( post_mem_write, arg2, res ); |
| 2162 | } |
| 2163 | |
| 2164 | PRE(getgroups) |
| 2165 | { |
| 2166 | /* int getgroups(int size, gid_t list[]); */ |
| 2167 | MAYBE_PRINTF("getgroups ( %d, %p )\n", arg1, arg2); |
| 2168 | if (arg1 > 0) |
| 2169 | SYSCALL_TRACK( pre_mem_write, tid, "getgroups(list)", arg2, |
| 2170 | arg1 * sizeof(gid_t) ); |
| 2171 | } |
| 2172 | |
| 2173 | POST(getgroups) |
| 2174 | { |
| 2175 | if (arg1 > 0 && res > 0) |
| 2176 | VG_TRACK( post_mem_write, arg2, res * sizeof(gid_t) ); |
| 2177 | } |
| 2178 | |
| 2179 | PREALIAS(getgroups32, getgroups); |
| 2180 | POSTALIAS(getgroups32, getgroups); |
| 2181 | |
| 2182 | PRE(getcwd) |
| 2183 | { |
nethercote | e70bd7d | 2004-08-18 14:37:17 +0000 | [diff] [blame] | 2184 | // Note that this prototype is the kernel one, with a different return |
| 2185 | // type to the glibc one! |
| 2186 | /* long getcwd(char *buf, size_t size); */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2187 | MAYBE_PRINTF("getcwd ( %p, %d )\n",arg1,arg2); |
| 2188 | SYSCALL_TRACK( pre_mem_write, tid, "getcwd(buf)", arg1, arg2 ); |
| 2189 | } |
| 2190 | |
| 2191 | POST(getcwd) |
| 2192 | { |
| 2193 | if (res != (Addr)NULL) |
| 2194 | VG_TRACK( post_mem_write, arg1, res ); |
| 2195 | } |
| 2196 | |
| 2197 | PRE(geteuid) |
| 2198 | { |
| 2199 | /* uid_t geteuid(void); */ |
| 2200 | MAYBE_PRINTF("geteuid ( )\n"); |
| 2201 | } |
| 2202 | |
| 2203 | PRE(geteuid32) |
| 2204 | { |
| 2205 | /* ?? uid_t geteuid32(void); */ |
| 2206 | MAYBE_PRINTF("geteuid32(?) ( )\n"); |
| 2207 | } |
| 2208 | |
| 2209 | PRE(getegid) |
| 2210 | { |
| 2211 | /* gid_t getegid(void); */ |
| 2212 | MAYBE_PRINTF("getegid ()\n"); |
| 2213 | } |
| 2214 | |
| 2215 | PRE(getegid32) |
| 2216 | { |
| 2217 | /* gid_t getegid32(void); */ |
| 2218 | MAYBE_PRINTF("getegid32 ()\n"); |
| 2219 | } |
| 2220 | |
| 2221 | PRE(getgid) |
| 2222 | { |
| 2223 | /* gid_t getgid(void); */ |
| 2224 | MAYBE_PRINTF("getgid ()\n"); |
| 2225 | } |
| 2226 | |
| 2227 | PRE(getgid32) |
| 2228 | { |
| 2229 | /* gid_t getgid32(void); */ |
| 2230 | MAYBE_PRINTF("getgid32 ()\n"); |
| 2231 | } |
| 2232 | |
| 2233 | PRE(getpid) |
| 2234 | { |
| 2235 | /* pid_t getpid(void); */ |
| 2236 | MAYBE_PRINTF("getpid ()\n"); |
| 2237 | } |
| 2238 | |
| 2239 | PRE(getpgid) |
| 2240 | { |
| 2241 | /* pid_t getpgid(pid_t pid); */ |
| 2242 | MAYBE_PRINTF("getpgid ( %d )\n", arg1); |
| 2243 | } |
| 2244 | |
| 2245 | PRE(getpgrp) |
| 2246 | { |
| 2247 | /* pid_t getpgrp(void); */ |
| 2248 | MAYBE_PRINTF("getpgrp ()\n"); |
| 2249 | } |
| 2250 | |
| 2251 | PRE(getppid) |
| 2252 | { |
| 2253 | /* pid_t getppid(void); */ |
| 2254 | MAYBE_PRINTF("getppid ()\n"); |
| 2255 | } |
| 2256 | |
| 2257 | PRE(getresgid) |
| 2258 | { |
| 2259 | /* int getresgid(gid_t *rgid, gid_t *egid, gid_t *sgid); */ |
| 2260 | MAYBE_PRINTF("getresgid ( %p, %p, %p )\n", arg1,arg2,arg3); |
| 2261 | SYSCALL_TRACK( pre_mem_write, tid, "getresgid(rgid)", |
| 2262 | arg1, sizeof(gid_t) ); |
| 2263 | SYSCALL_TRACK( pre_mem_write, tid, "getresgid(egid)", |
| 2264 | arg2, sizeof(gid_t) ); |
| 2265 | SYSCALL_TRACK( pre_mem_write, tid, "getresgid(sgid)", |
| 2266 | arg3, sizeof(gid_t) ); |
| 2267 | } |
| 2268 | |
| 2269 | POST(getresgid) |
| 2270 | { |
| 2271 | if (res == 0) { |
| 2272 | VG_TRACK( post_mem_write, arg1, sizeof(gid_t) ); |
| 2273 | VG_TRACK( post_mem_write, arg2, sizeof(gid_t) ); |
| 2274 | VG_TRACK( post_mem_write, arg3, sizeof(gid_t) ); |
| 2275 | } |
| 2276 | } |
| 2277 | |
| 2278 | PRE(getresgid32) |
| 2279 | { |
| 2280 | /* int getresgid(gid_t *rgid, gid_t *egid, gid_t *sgid); */ |
| 2281 | MAYBE_PRINTF("getresgid32 ( %p, %p, %p )\n", arg1,arg2,arg3); |
| 2282 | SYSCALL_TRACK( pre_mem_write, tid, "getresgid32(rgid)", |
| 2283 | arg1, sizeof(gid_t) ); |
| 2284 | SYSCALL_TRACK( pre_mem_write, tid, "getresgid32(egid)", |
| 2285 | arg2, sizeof(gid_t) ); |
| 2286 | SYSCALL_TRACK( pre_mem_write, tid, "getresgid32(sgid)", |
| 2287 | arg3, sizeof(gid_t) ); |
| 2288 | } |
| 2289 | |
| 2290 | POST(getresgid32) |
| 2291 | { |
| 2292 | if (res == 0) { |
| 2293 | VG_TRACK( post_mem_write, arg1, sizeof(gid_t) ); |
| 2294 | VG_TRACK( post_mem_write, arg2, sizeof(gid_t) ); |
| 2295 | VG_TRACK( post_mem_write, arg3, sizeof(gid_t) ); |
| 2296 | } |
| 2297 | } |
| 2298 | |
| 2299 | PRE(getresuid) |
| 2300 | { |
| 2301 | /* int getresuid(uid_t *ruid, uid_t *euid, uid_t *suid); */ |
| 2302 | MAYBE_PRINTF("getresuid ( %p, %p, %p )\n", arg1,arg2,arg3); |
| 2303 | SYSCALL_TRACK( pre_mem_write, tid, "getresuid(ruid)", |
| 2304 | arg1, sizeof(uid_t) ); |
| 2305 | SYSCALL_TRACK( pre_mem_write, tid, "getresuid(euid)", |
| 2306 | arg2, sizeof(uid_t) ); |
| 2307 | SYSCALL_TRACK( pre_mem_write, tid, "getresuid(suid)", |
| 2308 | arg3, sizeof(uid_t) ); |
| 2309 | } |
| 2310 | |
| 2311 | POST(getresuid) |
| 2312 | { |
| 2313 | if (res == 0) { |
| 2314 | VG_TRACK( post_mem_write, arg1, sizeof(uid_t) ); |
| 2315 | VG_TRACK( post_mem_write, arg2, sizeof(uid_t) ); |
| 2316 | VG_TRACK( post_mem_write, arg3, sizeof(uid_t) ); |
| 2317 | } |
| 2318 | } |
| 2319 | |
| 2320 | PRE(getresuid32) |
| 2321 | { |
| 2322 | /* int getresuid(uid_t *ruid, uid_t *euid, uid_t *suid); */ |
| 2323 | MAYBE_PRINTF("getresuid32 ( %p, %p, %p )\n", arg1,arg2,arg3); |
| 2324 | SYSCALL_TRACK( pre_mem_write, tid, "getresuid32(ruid)", |
| 2325 | arg1, sizeof(uid_t) ); |
| 2326 | SYSCALL_TRACK( pre_mem_write, tid, "getresuid32(euid)", |
| 2327 | arg2, sizeof(uid_t) ); |
| 2328 | SYSCALL_TRACK( pre_mem_write, tid, "getresuid32(suid)", |
| 2329 | arg3, sizeof(uid_t) ); |
| 2330 | } |
| 2331 | |
| 2332 | POST(getresuid32) |
| 2333 | { |
| 2334 | if (res == 0) { |
| 2335 | VG_TRACK( post_mem_write, arg1, sizeof(uid_t) ); |
| 2336 | VG_TRACK( post_mem_write, arg2, sizeof(uid_t) ); |
| 2337 | VG_TRACK( post_mem_write, arg3, sizeof(uid_t) ); |
| 2338 | } |
| 2339 | } |
| 2340 | |
| 2341 | PRE(getrlimit) |
| 2342 | { |
| 2343 | /* int getrlimit (int resource, struct rlimit *rlim); */ |
| 2344 | MAYBE_PRINTF("getrlimit ( %d, %p )\n", arg1,arg2); |
| 2345 | SYSCALL_TRACK( pre_mem_write, tid, "getrlimit(rlim)", arg2, |
fitzhardinge | b50068f | 2004-02-24 23:42:55 +0000 | [diff] [blame] | 2346 | sizeof(struct vki_rlimit) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2347 | } |
| 2348 | |
| 2349 | POST(getrlimit) |
| 2350 | { |
fitzhardinge | b50068f | 2004-02-24 23:42:55 +0000 | [diff] [blame] | 2351 | VG_TRACK( post_mem_write, arg2, sizeof(struct vki_rlimit) ); |
nethercote | 535f03b | 2004-02-15 15:32:51 +0000 | [diff] [blame] | 2352 | |
fitzhardinge | b50068f | 2004-02-24 23:42:55 +0000 | [diff] [blame] | 2353 | switch(arg1) { |
| 2354 | case VKI_RLIMIT_NOFILE: |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 2355 | ((vki_rlimit *)arg2)->rlim_cur = VG_(fd_soft_limit); |
| 2356 | ((vki_rlimit *)arg2)->rlim_max = VG_(fd_hard_limit); |
fitzhardinge | b50068f | 2004-02-24 23:42:55 +0000 | [diff] [blame] | 2357 | break; |
| 2358 | |
| 2359 | case VKI_RLIMIT_DATA: |
| 2360 | *((vki_rlimit *)arg2) = VG_(client_rlimit_data); |
| 2361 | break; |
thughes | c37184f | 2004-09-11 14:16:57 +0000 | [diff] [blame] | 2362 | |
| 2363 | case VKI_RLIMIT_STACK: |
| 2364 | *((vki_rlimit *)arg2) = VG_(client_rlimit_stack); |
| 2365 | break; |
fitzhardinge | b50068f | 2004-02-24 23:42:55 +0000 | [diff] [blame] | 2366 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2367 | } |
| 2368 | |
| 2369 | PREALIAS(ugetrlimit, getrlimit); |
| 2370 | POSTALIAS(ugetrlimit, getrlimit); |
| 2371 | |
| 2372 | PRE(getrusage) |
| 2373 | { |
| 2374 | /* int getrusage (int who, struct rusage *usage); */ |
| 2375 | MAYBE_PRINTF("getrusage ( %d, %p )\n", arg1,arg2); |
| 2376 | SYSCALL_TRACK( pre_mem_write, tid, "getrusage(usage)", arg2, |
| 2377 | sizeof(struct rusage) ); |
| 2378 | } |
| 2379 | |
| 2380 | POST(getrusage) |
| 2381 | { |
| 2382 | if (res == 0) |
| 2383 | VG_TRACK( post_mem_write,arg2, sizeof(struct rusage) ); |
| 2384 | } |
| 2385 | |
| 2386 | PRE(gettimeofday) |
| 2387 | { |
| 2388 | /* int gettimeofday(struct timeval *tv, struct timezone *tz); */ |
| 2389 | MAYBE_PRINTF("gettimeofday ( %p, %p )\n",arg1,arg2); |
| 2390 | SYSCALL_TRACK( pre_mem_write, tid, "gettimeofday(tv)", arg1, |
| 2391 | sizeof(struct timeval) ); |
| 2392 | if (arg2 != 0) |
| 2393 | SYSCALL_TRACK( pre_mem_write, tid, "gettimeofday(tz)", arg2, |
| 2394 | sizeof(struct timezone) ); |
| 2395 | } |
| 2396 | |
| 2397 | POST(gettimeofday) |
| 2398 | { |
| 2399 | if (res == 0) { |
| 2400 | VG_TRACK( post_mem_write, arg1, sizeof(struct timeval) ); |
| 2401 | if (arg2 != 0) |
| 2402 | VG_TRACK( post_mem_write, arg2, sizeof(struct timezone) ); |
| 2403 | } |
| 2404 | } |
| 2405 | |
| 2406 | PRE(getuid) |
| 2407 | { |
| 2408 | /* uid_t getuid(void); */ |
| 2409 | MAYBE_PRINTF("getuid ( )\n"); |
| 2410 | } |
| 2411 | |
| 2412 | PRE(getuid32) |
| 2413 | { |
| 2414 | /* ???uid_t getuid32(void); */ |
| 2415 | MAYBE_PRINTF("getuid32 ( )\n"); |
| 2416 | } |
| 2417 | |
| 2418 | PRE(ipc) |
| 2419 | { |
| 2420 | MAYBE_PRINTF("ipc ( %d, %d, %d, %d, %p, %d )\n", |
| 2421 | arg1,arg2,arg3,arg4,arg5,arg6); |
| 2422 | switch (arg1 /* call */) { |
| 2423 | case 1: /* IPCOP_semop */ |
| 2424 | SYSCALL_TRACK( pre_mem_read, tid, "semop(sops)", arg5, |
| 2425 | arg3 * sizeof(struct sembuf) ); |
thughes | 024f25d | 2004-07-29 22:40:07 +0000 | [diff] [blame] | 2426 | tst->sys_flags |= MayBlock; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2427 | break; |
| 2428 | case 2: /* IPCOP_semget */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2429 | break; |
thughes | 6079710 | 2004-08-13 22:21:51 +0000 | [diff] [blame] | 2430 | case 3: /* IPCOP_semctl */ |
| 2431 | { |
| 2432 | union semun *arg = (union semun *)arg5; |
| 2433 | switch (arg4 /* cmd */) { |
| 2434 | case IPC_INFO: |
| 2435 | case SEM_INFO: |
| 2436 | { |
| 2437 | Addr buf = deref_Addr( tid, (Addr)&arg->__buf, "semctl(IPC_INFO, arg)" ); |
| 2438 | SYSCALL_TRACK( pre_mem_write, tid, "semctl(IPC_INFO, arg->buf)", buf, |
| 2439 | sizeof(struct seminfo) ); |
| 2440 | break; |
| 2441 | } |
| 2442 | case IPC_STAT: |
| 2443 | case SEM_STAT: |
| 2444 | { |
| 2445 | Addr buf = deref_Addr( tid, (Addr)&arg->buf, "semctl(IPC_STAT, arg)" ); |
| 2446 | SYSCALL_TRACK( pre_mem_write, tid, "semctl(IPC_STAT, arg->buf)", buf, |
| 2447 | sizeof(struct semid_ds) ); |
| 2448 | break; |
| 2449 | } |
| 2450 | case IPC_SET: |
| 2451 | { |
| 2452 | Addr buf = deref_Addr( tid, (Addr)&arg->buf, "semctl(IPC_SET, arg)" ); |
| 2453 | SYSCALL_TRACK( pre_mem_read, tid, "semctl(IPC_SET, arg->buf)", buf, |
| 2454 | sizeof(struct semid_ds) ); |
| 2455 | break; |
| 2456 | } |
| 2457 | case GETALL: |
| 2458 | { |
| 2459 | Addr array = deref_Addr( tid, (Addr)&arg->array, "semctl(IPC_GETALL, arg)" ); |
| 2460 | UInt nsems = get_sem_count( arg2 ); |
| 2461 | SYSCALL_TRACK( pre_mem_write, tid, "semctl(IPC_GETALL, arg->array)", array, |
| 2462 | sizeof(short) * nsems ); |
| 2463 | break; |
| 2464 | } |
| 2465 | case SETALL: |
| 2466 | { |
| 2467 | Addr array = deref_Addr( tid, (Addr)&arg->array, "semctl(IPC_SETALL, arg)" ); |
| 2468 | UInt nsems = get_sem_count( arg2 ); |
| 2469 | SYSCALL_TRACK( pre_mem_read, tid, "semctl(IPC_SETALL, arg->array)", array, |
| 2470 | sizeof(short) * nsems ); |
| 2471 | break; |
| 2472 | } |
| 2473 | case SETVAL: |
| 2474 | { |
| 2475 | SYSCALL_TRACK( pre_mem_read, tid, "semctl(IPC_SETVAL, arg->array)", |
| 2476 | (Addr)&arg->val, sizeof(arg->val) ); |
| 2477 | break; |
| 2478 | } |
| 2479 | # if defined(IPC_64) |
| 2480 | case IPC_INFO|IPC_64: |
| 2481 | case SEM_INFO|IPC_64: |
| 2482 | { |
| 2483 | Addr buf = deref_Addr( tid, (Addr)&arg->__buf, "semctl(IPC_INFO, arg)" ); |
| 2484 | SYSCALL_TRACK( pre_mem_write, tid, "semctl(IPC_INFO, arg->buf)", buf, |
| 2485 | sizeof(struct seminfo) ); |
| 2486 | break; |
| 2487 | } |
| 2488 | case IPC_STAT|IPC_64: |
| 2489 | case SEM_STAT|IPC_64: |
| 2490 | { |
| 2491 | Addr buf = deref_Addr( tid, (Addr)&arg->buf, "semctl(IPC_STAT, arg)" ); |
| 2492 | SYSCALL_TRACK( pre_mem_write, tid, "semctl(IPC_STAT, arg->buf)", buf, |
| 2493 | sizeof(struct semid64_ds) ); |
| 2494 | break; |
| 2495 | } |
| 2496 | case IPC_SET|IPC_64: |
| 2497 | { |
| 2498 | Addr buf = deref_Addr( tid, (Addr)&arg->buf, "semctl(IPC_SET, arg)" ); |
| 2499 | SYSCALL_TRACK( pre_mem_read, tid, "semctl(IPC_SET, arg->buf)", buf, |
| 2500 | sizeof(struct semid64_ds) ); |
| 2501 | break; |
| 2502 | } |
| 2503 | case GETALL|IPC_64: |
| 2504 | { |
| 2505 | Addr array = deref_Addr( tid, (Addr)&arg->array, "semctl(IPC_GETALL, arg)" ); |
| 2506 | UInt nsems = get_sem_count( arg2 ); |
| 2507 | SYSCALL_TRACK( pre_mem_write, tid, "semctl(IPC_GETALL, arg->array)", array, |
| 2508 | sizeof(short) * nsems ); |
| 2509 | break; |
| 2510 | } |
| 2511 | case SETALL|IPC_64: |
| 2512 | { |
| 2513 | Addr array = deref_Addr( tid, (Addr)&arg->array, "semctl(IPC_SETALL, arg)" ); |
| 2514 | UInt nsems = get_sem_count( arg2 ); |
| 2515 | SYSCALL_TRACK( pre_mem_read, tid, "semctl(IPC_SETALL, arg->array)", array, |
| 2516 | sizeof(short) * nsems ); |
| 2517 | break; |
| 2518 | } |
| 2519 | case SETVAL|IPC_64: |
| 2520 | { |
| 2521 | SYSCALL_TRACK( pre_mem_read, tid, "semctl(IPC_SETVAL, arg->array)", |
| 2522 | (Addr)&arg->val, sizeof(arg->val) ); |
| 2523 | break; |
| 2524 | } |
| 2525 | # endif |
| 2526 | default: |
| 2527 | break; |
| 2528 | } |
| 2529 | break; |
| 2530 | } |
thughes | 0376628 | 2004-06-13 14:23:00 +0000 | [diff] [blame] | 2531 | case 4: /* IPCOP_semtimedop */ |
| 2532 | SYSCALL_TRACK( pre_mem_read, tid, "semtimedop(sops)", arg5, |
| 2533 | arg3 * sizeof(struct sembuf) ); |
| 2534 | if (arg6 != (UInt)NULL) |
thughes | 6079710 | 2004-08-13 22:21:51 +0000 | [diff] [blame] | 2535 | SYSCALL_TRACK( pre_mem_read, tid, "semtimedop(timeout)", arg6, |
thughes | 0376628 | 2004-06-13 14:23:00 +0000 | [diff] [blame] | 2536 | sizeof(struct timespec) ); |
thughes | 024f25d | 2004-07-29 22:40:07 +0000 | [diff] [blame] | 2537 | tst->sys_flags |= MayBlock; |
thughes | 0376628 | 2004-06-13 14:23:00 +0000 | [diff] [blame] | 2538 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2539 | case 11: /* IPCOP_msgsnd */ |
| 2540 | { |
| 2541 | struct msgbuf *msgp = (struct msgbuf *)arg5; |
| 2542 | Int msgsz = arg3; |
| 2543 | |
| 2544 | SYSCALL_TRACK( pre_mem_read, tid, "msgsnd(msgp->mtype)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 2545 | (Addr)&msgp->mtype, sizeof(msgp->mtype) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2546 | SYSCALL_TRACK( pre_mem_read, tid, "msgsnd(msgp->mtext)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 2547 | (Addr)msgp->mtext, msgsz ); |
thughes | 024f25d | 2004-07-29 22:40:07 +0000 | [diff] [blame] | 2548 | |
| 2549 | if ((arg4 & VKI_IPC_NOWAIT) == 0) |
| 2550 | tst->sys_flags |= MayBlock; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2551 | break; |
| 2552 | } |
| 2553 | case 12: /* IPCOP_msgrcv */ |
| 2554 | { |
| 2555 | struct msgbuf *msgp; |
| 2556 | Int msgsz = arg3; |
| 2557 | |
| 2558 | msgp = (struct msgbuf *)deref_Addr( tid, |
| 2559 | (Addr) (&((struct ipc_kludge *)arg5)->msgp), |
| 2560 | "msgrcv(msgp)" ); |
| 2561 | |
| 2562 | SYSCALL_TRACK( pre_mem_write, tid, "msgrcv(msgp->mtype)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 2563 | (Addr)&msgp->mtype, sizeof(msgp->mtype) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2564 | SYSCALL_TRACK( pre_mem_write, tid, "msgrcv(msgp->mtext)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 2565 | (Addr)msgp->mtext, msgsz ); |
thughes | 024f25d | 2004-07-29 22:40:07 +0000 | [diff] [blame] | 2566 | |
| 2567 | if ((arg4 & VKI_IPC_NOWAIT) == 0) |
| 2568 | tst->sys_flags |= MayBlock; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2569 | break; |
| 2570 | } |
| 2571 | case 13: /* IPCOP_msgget */ |
| 2572 | break; |
| 2573 | case 14: /* IPCOP_msgctl */ |
| 2574 | { |
| 2575 | switch (arg3 /* cmd */) { |
thughes | 6079710 | 2004-08-13 22:21:51 +0000 | [diff] [blame] | 2576 | case IPC_INFO: |
| 2577 | case MSG_INFO: |
| 2578 | SYSCALL_TRACK( pre_mem_write, tid, "msgctl(IPC_INFO, buf)", arg5, |
| 2579 | sizeof(struct msginfo) ); |
| 2580 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2581 | case IPC_STAT: |
thughes | 6079710 | 2004-08-13 22:21:51 +0000 | [diff] [blame] | 2582 | case MSG_STAT: |
| 2583 | SYSCALL_TRACK( pre_mem_write, tid, "msgctl(IPC_STAT, buf)", arg5, |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2584 | sizeof(struct msqid_ds) ); |
| 2585 | break; |
| 2586 | case IPC_SET: |
thughes | 6079710 | 2004-08-13 22:21:51 +0000 | [diff] [blame] | 2587 | SYSCALL_TRACK( pre_mem_read, tid, "msgctl(IPC_SET, buf)", arg5, |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2588 | sizeof(struct msqid_ds) ); |
| 2589 | break; |
| 2590 | # if defined(IPC_64) |
thughes | 6079710 | 2004-08-13 22:21:51 +0000 | [diff] [blame] | 2591 | case IPC_INFO|IPC_64: |
| 2592 | case MSG_INFO|IPC_64: |
| 2593 | SYSCALL_TRACK( pre_mem_write, tid, "msgctl(IPC_INFO, buf)", arg5, |
| 2594 | sizeof(struct msginfo) ); |
| 2595 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2596 | case IPC_STAT|IPC_64: |
thughes | 6079710 | 2004-08-13 22:21:51 +0000 | [diff] [blame] | 2597 | case MSG_STAT|IPC_64: |
| 2598 | SYSCALL_TRACK( pre_mem_write, tid, "msgctl(IPC_STAT, buf)", arg5, |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2599 | sizeof(struct msqid64_ds) ); |
| 2600 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2601 | case IPC_SET|IPC_64: |
thughes | 6079710 | 2004-08-13 22:21:51 +0000 | [diff] [blame] | 2602 | SYSCALL_TRACK( pre_mem_read, tid, "msgctl(IPC_SET, buf)", arg5, |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2603 | sizeof(struct msqid64_ds) ); |
| 2604 | break; |
| 2605 | # endif |
| 2606 | default: |
| 2607 | break; |
| 2608 | } |
| 2609 | break; |
| 2610 | } |
| 2611 | case 21: /* IPCOP_shmat */ |
| 2612 | { |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 2613 | UInt shmid = arg2; |
| 2614 | UInt segmentSize = get_shm_size ( shmid ); |
| 2615 | |
| 2616 | /* If they didn't ask for a particular address, then place it |
| 2617 | like an mmap. */ |
| 2618 | if (arg5 == 0) |
| 2619 | arg5 = VG_(find_map_space)(0, segmentSize, True); |
| 2620 | else if (!valid_client_addr(arg5, segmentSize, tid, "shmat")) |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 2621 | set_result( -VKI_EINVAL ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2622 | break; |
| 2623 | } |
| 2624 | case 22: /* IPCOP_shmdt */ |
fitzhardinge | d25e8a2 | 2004-02-25 00:07:10 +0000 | [diff] [blame] | 2625 | if (!valid_client_addr(arg5, 1, tid, "shmdt")) |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 2626 | set_result( -VKI_EINVAL ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2627 | break; |
| 2628 | case 23: /* IPCOP_shmget */ |
| 2629 | break; |
| 2630 | case 24: /* IPCOP_shmctl */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2631 | { |
thughes | 6079710 | 2004-08-13 22:21:51 +0000 | [diff] [blame] | 2632 | switch (arg3 /* cmd */) { |
| 2633 | case IPC_INFO: |
| 2634 | SYSCALL_TRACK( pre_mem_write, tid, "shmctl(IPC_INFO, buf)", arg5, |
| 2635 | sizeof(struct shminfo) ); |
| 2636 | break; |
| 2637 | case SHM_INFO: |
| 2638 | SYSCALL_TRACK( pre_mem_write, tid, "shmctl(SHM_INFO, buf)", arg5, |
| 2639 | sizeof(struct shm_info) ); |
| 2640 | break; |
| 2641 | case IPC_STAT: |
| 2642 | case SHM_STAT: |
| 2643 | SYSCALL_TRACK( pre_mem_write, tid, "shmctl(IPC_STAT, buf)", arg5, |
| 2644 | sizeof(struct shmid_ds) ); |
| 2645 | break; |
| 2646 | case IPC_SET: |
| 2647 | SYSCALL_TRACK( pre_mem_read, tid, "shmctl(IPC_SET, buf)", arg5, |
| 2648 | sizeof(struct shmid_ds) ); |
| 2649 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2650 | # if defined(IPC_64) |
thughes | 6079710 | 2004-08-13 22:21:51 +0000 | [diff] [blame] | 2651 | case IPC_INFO|IPC_64: |
| 2652 | SYSCALL_TRACK( pre_mem_write, tid, "shmctl(IPC_INFO, buf)", arg5, |
| 2653 | sizeof(struct shminfo64) ); |
| 2654 | break; |
| 2655 | case SHM_INFO|IPC_64: |
| 2656 | SYSCALL_TRACK( pre_mem_write, tid, "shmctl(SHM_INFO, buf)", arg5, |
| 2657 | sizeof(struct shm_info) ); |
| 2658 | break; |
| 2659 | case IPC_STAT|IPC_64: |
| 2660 | case SHM_STAT|IPC_64: |
| 2661 | SYSCALL_TRACK( pre_mem_write, tid, "shmctl(IPC_STAT, buf)", arg5, |
| 2662 | sizeof(struct shmid64_ds) ); |
| 2663 | break; |
| 2664 | case IPC_SET|IPC_64: |
| 2665 | SYSCALL_TRACK( pre_mem_read, tid, "shmctl(IPC_SET, buf)", arg5, |
| 2666 | sizeof(struct shmid_ds) ); |
| 2667 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2668 | # endif |
thughes | 6079710 | 2004-08-13 22:21:51 +0000 | [diff] [blame] | 2669 | default: |
| 2670 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2671 | } |
thughes | 6079710 | 2004-08-13 22:21:51 +0000 | [diff] [blame] | 2672 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2673 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2674 | default: |
| 2675 | VG_(message)(Vg_DebugMsg, |
| 2676 | "FATAL: unhandled syscall(ipc) %d", |
| 2677 | arg1 ); |
| 2678 | VG_(core_panic)("... bye!\n"); |
| 2679 | break; /*NOTREACHED*/ |
| 2680 | } |
| 2681 | } |
| 2682 | |
| 2683 | POST(ipc) |
| 2684 | { |
| 2685 | switch (arg1 /* call */) { |
| 2686 | case 1: /* IPCOP_semop */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2687 | case 2: /* IPCOP_semget */ |
thughes | 6079710 | 2004-08-13 22:21:51 +0000 | [diff] [blame] | 2688 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2689 | case 3: /* IPCOP_semctl */ |
thughes | 6079710 | 2004-08-13 22:21:51 +0000 | [diff] [blame] | 2690 | { |
| 2691 | union semun *arg = (union semun *)arg5; |
| 2692 | switch (arg4 /* cmd */) { |
| 2693 | case IPC_INFO: |
| 2694 | case SEM_INFO: |
| 2695 | { |
| 2696 | Addr buf = deref_Addr( tid, (Addr)&arg->__buf, "semctl(arg)" ); |
| 2697 | VG_TRACK( post_mem_write, buf, sizeof(struct seminfo) ); |
| 2698 | break; |
| 2699 | } |
| 2700 | case IPC_STAT: |
| 2701 | case SEM_STAT: |
| 2702 | { |
| 2703 | Addr buf = deref_Addr( tid, (Addr)&arg->buf, "semctl(arg)" ); |
| 2704 | VG_TRACK( post_mem_write, buf, sizeof(struct semid_ds) ); |
| 2705 | break; |
| 2706 | } |
| 2707 | case GETALL: |
| 2708 | { |
| 2709 | Addr array = deref_Addr( tid, (Addr)&arg->array, "semctl(arg)" ); |
| 2710 | UInt nsems = get_sem_count( arg2 ); |
| 2711 | VG_TRACK( post_mem_write, array, sizeof(short) * nsems ); |
| 2712 | break; |
| 2713 | } |
| 2714 | # if defined(IPC_64) |
| 2715 | case IPC_INFO|IPC_64: |
| 2716 | case SEM_INFO|IPC_64: |
| 2717 | { |
| 2718 | Addr buf = deref_Addr( tid, (Addr)&arg->__buf, "semctl(arg)" ); |
| 2719 | VG_TRACK( post_mem_write, buf, sizeof(struct seminfo) ); |
| 2720 | break; |
| 2721 | } |
| 2722 | case IPC_STAT|IPC_64: |
| 2723 | case SEM_STAT|IPC_64: |
| 2724 | { |
| 2725 | Addr buf = deref_Addr( tid, (Addr)&arg->buf, "semctl(arg)" ); |
| 2726 | VG_TRACK( post_mem_write, buf, sizeof(struct semid64_ds) ); |
| 2727 | break; |
| 2728 | } |
| 2729 | case GETALL|IPC_64: |
| 2730 | { |
| 2731 | Addr array = deref_Addr( tid, (Addr)&arg->array, "semctl(arg)" ); |
| 2732 | UInt nsems = get_sem_count( arg2 ); |
| 2733 | VG_TRACK( post_mem_write, array, sizeof(short) * nsems ); |
| 2734 | break; |
| 2735 | } |
| 2736 | # endif |
| 2737 | default: |
| 2738 | break; |
| 2739 | } |
| 2740 | break; |
| 2741 | } |
thughes | 0376628 | 2004-06-13 14:23:00 +0000 | [diff] [blame] | 2742 | case 4: /* IPCOP_semtimedop */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2743 | break; |
| 2744 | case 11: /* IPCOP_msgsnd */ |
| 2745 | break; |
| 2746 | case 12: /* IPCOP_msgrcv */ |
| 2747 | { |
| 2748 | struct msgbuf *msgp; |
| 2749 | |
| 2750 | msgp = (struct msgbuf *)deref_Addr( tid, |
| 2751 | (Addr) (&((struct ipc_kludge *)arg5)->msgp), |
| 2752 | "msgrcv(msgp)" ); |
| 2753 | if ( res > 0 ) { |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 2754 | VG_TRACK( post_mem_write, (Addr)&msgp->mtype, |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2755 | sizeof(msgp->mtype) ); |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 2756 | VG_TRACK( post_mem_write, (Addr)msgp->mtext, res ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2757 | } |
| 2758 | break; |
| 2759 | } |
| 2760 | case 13: /* IPCOP_msgget */ |
| 2761 | break; |
| 2762 | case 14: /* IPCOP_msgctl */ |
| 2763 | { |
| 2764 | switch (arg3 /* cmd */) { |
thughes | 6079710 | 2004-08-13 22:21:51 +0000 | [diff] [blame] | 2765 | case IPC_INFO: |
| 2766 | case MSG_INFO: |
| 2767 | VG_TRACK( post_mem_write, arg5, sizeof(struct msginfo) ); |
| 2768 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2769 | case IPC_STAT: |
thughes | 6079710 | 2004-08-13 22:21:51 +0000 | [diff] [blame] | 2770 | case MSG_STAT: |
| 2771 | VG_TRACK( post_mem_write, arg5, sizeof(struct msqid_ds) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2772 | break; |
| 2773 | case IPC_SET: |
| 2774 | break; |
| 2775 | # if defined(IPC_64) |
thughes | 6079710 | 2004-08-13 22:21:51 +0000 | [diff] [blame] | 2776 | case IPC_INFO|IPC_64: |
| 2777 | case MSG_INFO|IPC_64: |
| 2778 | VG_TRACK( post_mem_write, arg5, sizeof(struct msginfo) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2779 | break; |
thughes | 6079710 | 2004-08-13 22:21:51 +0000 | [diff] [blame] | 2780 | case IPC_STAT|IPC_64: |
| 2781 | case MSG_STAT|IPC_64: |
| 2782 | VG_TRACK( post_mem_write, arg5, sizeof(struct msqid64_ds) ); |
| 2783 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2784 | case IPC_SET|IPC_64: |
| 2785 | break; |
| 2786 | # endif |
| 2787 | default: |
| 2788 | break; |
| 2789 | } |
| 2790 | break; |
| 2791 | } |
| 2792 | case 21: /* IPCOP_shmat */ |
| 2793 | { |
| 2794 | Int shmid = arg2; |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 2795 | Int shmflag = arg3; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2796 | Addr addr; |
| 2797 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2798 | /* force readability. before the syscall it is |
| 2799 | * indeed uninitialized, as can be seen in |
| 2800 | * glibc/sysdeps/unix/sysv/linux/shmat.c */ |
| 2801 | VG_TRACK( post_mem_write, arg4, sizeof( ULong ) ); |
| 2802 | |
| 2803 | addr = deref_Addr ( tid, arg4, "shmat(addr)" ); |
| 2804 | if ( addr > 0 ) { |
| 2805 | UInt segmentSize = get_shm_size ( shmid ); |
| 2806 | if ( segmentSize > 0 ) { |
nethercote | 27ea8bc | 2004-07-10 17:21:14 +0000 | [diff] [blame] | 2807 | UInt prot = VKI_PROT_READ|VKI_PROT_WRITE; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2808 | /* we don't distinguish whether it's read-only or |
| 2809 | * read-write -- it doesn't matter really. */ |
nethercote | 071c84a | 2004-07-10 17:30:07 +0000 | [diff] [blame] | 2810 | VG_TRACK( new_mem_mmap, addr, segmentSize, True, True, False ); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 2811 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 2812 | if (!(shmflag & 010000)) /* = SHM_RDONLY */ |
| 2813 | prot &= ~VKI_PROT_WRITE; |
nethercote | 27ea8bc | 2004-07-10 17:21:14 +0000 | [diff] [blame] | 2814 | VG_(map_segment)(addr, segmentSize, prot, SF_SHARED|SF_SHM); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2815 | } |
| 2816 | } |
| 2817 | break; |
| 2818 | } |
| 2819 | case 22: /* IPCOP_shmdt */ |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 2820 | { |
fitzhardinge | d25e8a2 | 2004-02-25 00:07:10 +0000 | [diff] [blame] | 2821 | Segment *s = VG_(find_segment)(arg5); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 2822 | |
fitzhardinge | d25e8a2 | 2004-02-25 00:07:10 +0000 | [diff] [blame] | 2823 | if (s != NULL && (s->flags & SF_SHM) && VG_(seg_contains)(s, arg5, 1)) { |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 2824 | VG_TRACK( die_mem_munmap, s->addr, s->len ); |
| 2825 | VG_(unmap_range)(s->addr, s->len); |
| 2826 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2827 | break; |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 2828 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2829 | case 23: /* IPCOP_shmget */ |
| 2830 | break; |
| 2831 | case 24: /* IPCOP_shmctl */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2832 | { |
thughes | 6079710 | 2004-08-13 22:21:51 +0000 | [diff] [blame] | 2833 | switch (arg3 /* cmd */) { |
| 2834 | case IPC_INFO: |
| 2835 | VG_TRACK( post_mem_write, arg5, sizeof(struct shminfo) ); |
| 2836 | break; |
| 2837 | case SHM_INFO: |
| 2838 | VG_TRACK( post_mem_write, arg5, sizeof(struct shm_info) ); |
| 2839 | break; |
| 2840 | case IPC_STAT: |
| 2841 | case SHM_STAT: |
| 2842 | VG_TRACK( post_mem_write, arg5, sizeof(struct shmid_ds) ); |
| 2843 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2844 | # if defined(IPC_64) |
thughes | 6079710 | 2004-08-13 22:21:51 +0000 | [diff] [blame] | 2845 | case IPC_INFO|IPC_64: |
| 2846 | VG_TRACK( post_mem_write, arg5, sizeof(struct shminfo64) ); |
| 2847 | break; |
| 2848 | case SHM_INFO|IPC_64: |
| 2849 | VG_TRACK( post_mem_write, arg5, sizeof(struct shm_info) ); |
| 2850 | break; |
| 2851 | case IPC_STAT|IPC_64: |
| 2852 | case SHM_STAT|IPC_64: |
| 2853 | VG_TRACK( post_mem_write, arg5, sizeof(struct shmid64_ds) ); |
| 2854 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2855 | # endif |
thughes | 6079710 | 2004-08-13 22:21:51 +0000 | [diff] [blame] | 2856 | default: |
| 2857 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2858 | } |
thughes | 6079710 | 2004-08-13 22:21:51 +0000 | [diff] [blame] | 2859 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2860 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2861 | default: |
| 2862 | VG_(message)(Vg_DebugMsg, |
| 2863 | "FATAL: unhandled syscall(ipc) %d", |
| 2864 | arg1 ); |
| 2865 | VG_(core_panic)("... bye!\n"); |
| 2866 | break; /*NOTREACHED*/ |
| 2867 | } |
| 2868 | } |
| 2869 | |
| 2870 | PRE(ioctl) |
| 2871 | { |
| 2872 | /* int ioctl(int d, int request, ...) |
| 2873 | [The "third" argument is traditionally char *argp, |
| 2874 | and will be so named for this discussion.] |
| 2875 | */ |
| 2876 | /* |
| 2877 | VG_(message)( |
| 2878 | Vg_DebugMsg, |
| 2879 | "is an IOCTL, request = 0x%x, d = %d, argp = 0x%x", |
| 2880 | arg2,arg1,arg3); |
| 2881 | */ |
| 2882 | MAYBE_PRINTF("ioctl ( %d, 0x%x, %p )\n",arg1,arg2,arg3); |
| 2883 | switch (arg2 /* request */) { |
| 2884 | case TCSETS: |
| 2885 | case TCSETSW: |
| 2886 | case TCSETSF: |
| 2887 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(TCSET{S,SW,SF})", arg3, |
| 2888 | VKI_SIZEOF_STRUCT_TERMIOS ); |
| 2889 | break; |
| 2890 | case TCGETS: |
| 2891 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(TCGETS)", arg3, |
| 2892 | VKI_SIZEOF_STRUCT_TERMIOS ); |
| 2893 | break; |
| 2894 | case TCSETA: |
| 2895 | case TCSETAW: |
| 2896 | case TCSETAF: |
| 2897 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(TCSET{A,AW,AF})", arg3, |
| 2898 | VKI_SIZEOF_STRUCT_TERMIO ); |
| 2899 | break; |
| 2900 | case TCGETA: |
| 2901 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(TCGETA)", arg3, |
| 2902 | VKI_SIZEOF_STRUCT_TERMIO ); |
| 2903 | break; |
| 2904 | case TCSBRK: |
| 2905 | case TCXONC: |
| 2906 | case TCSBRKP: |
| 2907 | case TCFLSH: |
| 2908 | /* These just take an int by value */ |
| 2909 | break; |
| 2910 | case TIOCGWINSZ: |
| 2911 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(TIOCGWINSZ)", arg3, |
| 2912 | sizeof(struct winsize) ); |
| 2913 | break; |
| 2914 | case TIOCSWINSZ: |
| 2915 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(TIOCSWINSZ)", arg3, |
| 2916 | sizeof(struct winsize) ); |
| 2917 | break; |
thughes | fc5cd00 | 2004-09-11 14:37:04 +0000 | [diff] [blame] | 2918 | case TIOCMBIS: |
| 2919 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(TIOCMBIS)", arg3, |
| 2920 | sizeof(unsigned int) ); |
| 2921 | break; |
| 2922 | case TIOCMBIC: |
| 2923 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(TIOCMBIC)", arg3, |
| 2924 | sizeof(unsigned int) ); |
| 2925 | break; |
| 2926 | case TIOCMSET: |
| 2927 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(TIOCMSET)", arg3, |
| 2928 | sizeof(unsigned int) ); |
| 2929 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 2930 | case TIOCLINUX: |
| 2931 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(TIOCLINUX)", arg3, |
| 2932 | sizeof(char *) ); |
| 2933 | if (*(char *)arg3 == 11) { |
| 2934 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(TIOCLINUX, 11)", |
| 2935 | arg3, 2 * sizeof(char *) ); |
| 2936 | } |
| 2937 | break; |
| 2938 | case TIOCGPGRP: |
| 2939 | /* Get process group ID for foreground processing group. */ |
| 2940 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(TIOCGPGRP)", arg3, |
| 2941 | sizeof(pid_t) ); |
| 2942 | break; |
| 2943 | case TIOCSPGRP: |
| 2944 | /* Set a process group ID? */ |
| 2945 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(TIOCGPGRP)", arg3, |
| 2946 | sizeof(pid_t) ); |
| 2947 | break; |
| 2948 | case TIOCGPTN: /* Get Pty Number (of pty-mux device) */ |
| 2949 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(TIOCGPTN)", |
| 2950 | arg3, sizeof(int) ); |
| 2951 | break; |
| 2952 | case TIOCSCTTY: |
| 2953 | /* Just takes an int value. */ |
| 2954 | break; |
| 2955 | case TIOCSPTLCK: /* Lock/unlock Pty */ |
| 2956 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(TIOCSPTLCK)", |
| 2957 | arg3, sizeof(int) ); |
| 2958 | break; |
| 2959 | case FIONBIO: |
| 2960 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(FIONBIO)", |
| 2961 | arg3, sizeof(int) ); |
| 2962 | break; |
| 2963 | case FIOASYNC: |
| 2964 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(FIOASYNC)", |
| 2965 | arg3, sizeof(int) ); |
| 2966 | break; |
| 2967 | case FIONREAD: /* identical to SIOCINQ */ |
| 2968 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(FIONREAD)", |
| 2969 | arg3, sizeof(int) ); |
| 2970 | break; |
| 2971 | |
| 2972 | /* If you get compilation problems here, change the #if |
| 2973 | 1 to #if 0 and get rid of <scsi/sg.h> in |
| 2974 | vg_unsafe.h. */ |
| 2975 | # if 1 |
| 2976 | case SG_SET_COMMAND_Q: |
| 2977 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(SG_SET_COMMAND_Q)", |
| 2978 | arg3, sizeof(int) ); |
| 2979 | break; |
| 2980 | # if defined(SG_IO) |
| 2981 | case SG_IO: |
| 2982 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(SG_IO)", arg3, |
| 2983 | sizeof(struct sg_io_hdr) ); |
| 2984 | break; |
| 2985 | # endif /* SG_IO */ |
| 2986 | case SG_GET_SCSI_ID: |
| 2987 | /* Note: sometimes sg_scsi_id is called sg_scsi_id_t */ |
| 2988 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(SG_GET_SCSI_ID)", arg3, |
| 2989 | sizeof(struct sg_scsi_id) ); |
| 2990 | break; |
| 2991 | case SG_SET_RESERVED_SIZE: |
| 2992 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(SG_SET_RESERVED_SIZE)", |
| 2993 | arg3, sizeof(int) ); |
| 2994 | break; |
| 2995 | case SG_SET_TIMEOUT: |
| 2996 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(SG_SET_TIMEOUT)", arg3, |
| 2997 | sizeof(int) ); |
| 2998 | break; |
| 2999 | case SG_GET_RESERVED_SIZE: |
| 3000 | SYSCALL_TRACK( pre_mem_write, tid, |
| 3001 | "ioctl(SG_GET_RESERVED_SIZE)", arg3, |
| 3002 | sizeof(int) ); |
| 3003 | break; |
| 3004 | case SG_GET_TIMEOUT: |
| 3005 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(SG_GET_TIMEOUT)", arg3, |
| 3006 | sizeof(int) ); |
| 3007 | break; |
| 3008 | case SG_GET_VERSION_NUM: |
| 3009 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(SG_GET_VERSION_NUM)", |
| 3010 | arg3, sizeof(int) ); |
| 3011 | break; |
thughes | 5b788fb | 2004-09-11 15:07:14 +0000 | [diff] [blame] | 3012 | case SG_EMULATED_HOST: /* 0x2203 */ |
| 3013 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(SG_EMULATED_HOST)", |
| 3014 | arg3, sizeof(int) ); |
| 3015 | break; |
| 3016 | case SG_GET_SG_TABLESIZE: /* 0x227f */ |
| 3017 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(SG_GET_SG_TABLESIZE)", |
| 3018 | arg3, sizeof(int) ); |
| 3019 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3020 | # endif |
| 3021 | |
mueller | a4b153a | 2003-11-19 22:07:14 +0000 | [diff] [blame] | 3022 | case VKI_IIOCGETCPS: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3023 | /* In early 2.4 kernels, ISDN_MAX_CHANNELS was only defined |
| 3024 | * when KERNEL was. I never saw a larger value than 64 though */ |
| 3025 | # ifndef ISDN_MAX_CHANNELS |
| 3026 | # define ISDN_MAX_CHANNELS 64 |
| 3027 | # endif |
| 3028 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(IIOCGETCPS)", arg3, |
| 3029 | ISDN_MAX_CHANNELS |
| 3030 | * 2 * sizeof(unsigned long) ); |
| 3031 | break; |
mueller | a4b153a | 2003-11-19 22:07:14 +0000 | [diff] [blame] | 3032 | case VKI_IIOCNETGPN: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3033 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(IIOCNETGPN)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3034 | (Addr)&((isdn_net_ioctl_phone *)arg3)->name, |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3035 | sizeof(((isdn_net_ioctl_phone *)arg3)->name) ); |
| 3036 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(IIOCNETGPN)", arg3, |
| 3037 | sizeof(isdn_net_ioctl_phone) ); |
| 3038 | break; |
| 3039 | |
| 3040 | /* These all use struct ifreq AFAIK */ |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3041 | case SIOCGIFINDEX: /* get iface index */ |
| 3042 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "ioctl(SIOCGIFINDEX)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3043 | (Addr)((struct ifreq *)arg3)->ifr_name ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3044 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(SIOCGIFINDEX)", arg3, |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3045 | sizeof(struct ifreq)); |
| 3046 | break; |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3047 | case SIOCGIFFLAGS: /* get flags */ |
| 3048 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "ioctl(SIOCGIFFLAGS)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3049 | (Addr)((struct ifreq *)arg3)->ifr_name ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3050 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(SIOCGIFFLAGS)", arg3, |
| 3051 | sizeof(struct ifreq)); |
| 3052 | break; |
| 3053 | case SIOCGIFHWADDR: /* Get hardware address */ |
| 3054 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "ioctl(SIOCGIFHWADDR)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3055 | (Addr)((struct ifreq *)arg3)->ifr_name ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3056 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(SIOCGIFHWADDR)", arg3, |
| 3057 | sizeof(struct ifreq)); |
| 3058 | break; |
| 3059 | case SIOCGIFMTU: /* get MTU size */ |
| 3060 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "ioctl(SIOCGIFMTU)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3061 | (Addr)((struct ifreq *)arg3)->ifr_name ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3062 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(SIOCGIFMTU)", arg3, |
| 3063 | sizeof(struct ifreq)); |
| 3064 | break; |
| 3065 | case SIOCGIFADDR: /* get PA address */ |
| 3066 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "ioctl(SIOCGIFADDR)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3067 | (Addr)((struct ifreq *)arg3)->ifr_name ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3068 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(SIOCGIFADDR)", arg3, |
| 3069 | sizeof(struct ifreq)); |
| 3070 | break; |
| 3071 | case SIOCGIFNETMASK: /* get network PA mask */ |
| 3072 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "ioctl(SIOCGIFNETMASK)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3073 | (Addr)((struct ifreq *)arg3)->ifr_name ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3074 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(SIOCGIFNETMASK)", arg3, |
| 3075 | sizeof(struct ifreq)); |
| 3076 | break; |
| 3077 | case SIOCGIFMETRIC: /* get metric */ |
| 3078 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "ioctl(SIOCGIFMETRIC)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3079 | (Addr)((struct ifreq *)arg3)->ifr_name ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3080 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(SIOCGIFMETRIC)", arg3, |
| 3081 | sizeof(struct ifreq)); |
| 3082 | break; |
| 3083 | case SIOCGIFMAP: /* Get device parameters */ |
| 3084 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "ioctl(SIOCGIFMAP)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3085 | (Addr)((struct ifreq *)arg3)->ifr_name ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3086 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(SIOCGIFMAP)", arg3, |
| 3087 | sizeof(struct ifreq)); |
| 3088 | break; |
| 3089 | case SIOCGIFTXQLEN: /* Get the tx queue length */ |
| 3090 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "ioctl(SIOCGIFTXQLEN)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3091 | (Addr)((struct ifreq *)arg3)->ifr_name ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3092 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(SIOCGIFTXQLEN)", arg3, |
| 3093 | sizeof(struct ifreq)); |
| 3094 | break; |
| 3095 | case SIOCGIFDSTADDR: /* get remote PA address */ |
| 3096 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "ioctl(SIOCGIFDSTADDR)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3097 | (Addr)((struct ifreq *)arg3)->ifr_name ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3098 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(SIOCGIFDSTADDR)", arg3, |
| 3099 | sizeof(struct ifreq)); |
| 3100 | break; |
| 3101 | case SIOCGIFBRDADDR: /* get broadcast PA address */ |
| 3102 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "ioctl(SIOCGIFBRDADDR)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3103 | (Addr)((struct ifreq *)arg3)->ifr_name ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3104 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(SIOCGIFBRDADDR)", arg3, |
| 3105 | sizeof(struct ifreq)); |
| 3106 | break; |
| 3107 | case SIOCGIFNAME: /* get iface name */ |
| 3108 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(SIOCGIFNAME)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3109 | (Addr)((struct ifreq *)arg3)->ifr_ifindex, |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3110 | sizeof(((struct ifreq *)arg3)->ifr_ifindex) ); |
| 3111 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(SIOCGIFNAME)", arg3, |
| 3112 | sizeof(struct ifreq)); |
| 3113 | break; |
| 3114 | #ifdef HAVE_LINUX_MII_H |
| 3115 | case SIOCGMIIPHY: /* get hardware entry */ |
| 3116 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "ioctl(SIOCGIFMIIPHY)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3117 | (Addr)((struct ifreq *)arg3)->ifr_name ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3118 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(SIOCGIFMIIPHY)", arg3, |
| 3119 | sizeof(struct ifreq)); |
| 3120 | break; |
| 3121 | case SIOCGMIIREG: /* get hardware entry registers */ |
| 3122 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "ioctl(SIOCGIFMIIREG)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3123 | (Addr)((struct ifreq *)arg3)->ifr_name ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3124 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(SIOCGIFMIIREG)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3125 | (Addr)&((struct mii_ioctl_data *)&((struct ifreq *)arg3)->ifr_data)->phy_id, |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3126 | sizeof(((struct mii_ioctl_data *)&((struct ifreq *)arg3)->ifr_data)->phy_id) ); |
| 3127 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(SIOCGIFMIIREG)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3128 | (Addr)&((struct mii_ioctl_data *)&((struct ifreq *)arg3)->ifr_data)->reg_num, |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3129 | sizeof(((struct mii_ioctl_data *)&((struct ifreq *)arg3)->ifr_data)->reg_num) ); |
| 3130 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(SIOCGIFMIIREG)", arg3, |
| 3131 | sizeof(struct ifreq)); |
| 3132 | break; |
| 3133 | #endif |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3134 | case SIOCGIFCONF: /* get iface list */ |
| 3135 | /* WAS: |
| 3136 | SYSCALL_TRACK( pre_mem_write,"ioctl(SIOCGIFCONF)", arg3, |
| 3137 | sizeof(struct ifconf)); |
| 3138 | KERNEL_DO_SYSCALL(tid,res); |
| 3139 | if (!VG_(is_kerror)(res) && res == 0) |
| 3140 | VG_TRACK( post_mem_write,arg3, sizeof(struct ifconf)); |
| 3141 | */ |
| 3142 | SYSCALL_TRACK( pre_mem_read,tid, "ioctl(SIOCGIFCONF)", arg3, |
| 3143 | sizeof(struct ifconf)); |
| 3144 | if ( arg3 ) { |
| 3145 | // TODO len must be readable and writable |
| 3146 | // buf pointer only needs to be readable |
| 3147 | struct ifconf *ifc = (struct ifconf *) arg3; |
| 3148 | SYSCALL_TRACK( pre_mem_write,tid, "ioctl(SIOCGIFCONF).ifc_buf", |
| 3149 | (Addr)(ifc->ifc_buf), (UInt)(ifc->ifc_len) ); |
| 3150 | } |
| 3151 | break; |
| 3152 | case SIOCGSTAMP: |
| 3153 | SYSCALL_TRACK( pre_mem_write,tid, "ioctl(SIOCGSTAMP)", arg3, |
| 3154 | sizeof(struct timeval)); |
| 3155 | break; |
| 3156 | /* SIOCOUTQ is an ioctl that, when called on a socket, returns |
| 3157 | the number of bytes currently in that socket's send buffer. |
| 3158 | It writes this value as an int to the memory location |
| 3159 | indicated by the third argument of ioctl(2). */ |
| 3160 | case SIOCOUTQ: |
| 3161 | SYSCALL_TRACK( pre_mem_write,tid, "ioctl(SIOCOUTQ)", arg3, |
| 3162 | sizeof(int)); |
| 3163 | break; |
| 3164 | case SIOCGRARP: /* get RARP table entry */ |
| 3165 | case SIOCGARP: /* get ARP table entry */ |
| 3166 | SYSCALL_TRACK( pre_mem_write,tid, "ioctl(SIOCGARP)", arg3, |
| 3167 | sizeof(struct arpreq)); |
| 3168 | break; |
| 3169 | |
| 3170 | case SIOCSIFFLAGS: /* set flags */ |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3171 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "ioctl(SIOCSIFFLAGS)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3172 | (Addr)((struct ifreq *)arg3)->ifr_name ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3173 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(SIOCSIFFLAGS)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3174 | (Addr)&((struct ifreq *)arg3)->ifr_flags, |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3175 | sizeof(((struct ifreq *)arg3)->ifr_flags) ); |
| 3176 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3177 | case SIOCSIFMAP: /* Set device parameters */ |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3178 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "ioctl(SIOCSIFMAP)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3179 | (Addr)((struct ifreq *)arg3)->ifr_name ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3180 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(SIOCSIFMAP)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3181 | (Addr)&((struct ifreq *)arg3)->ifr_map, |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3182 | sizeof(((struct ifreq *)arg3)->ifr_map) ); |
| 3183 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3184 | case SIOCSIFTXQLEN: /* Set the tx queue length */ |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3185 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "ioctl(SIOCSIFTXQLEN)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3186 | (Addr)((struct ifreq *)arg3)->ifr_name ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3187 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(SIOCSIFTXQLEN)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3188 | (Addr)&((struct ifreq *)arg3)->ifr_qlen, |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3189 | sizeof(((struct ifreq *)arg3)->ifr_qlen) ); |
| 3190 | break; |
| 3191 | case SIOCSIFADDR: /* set PA address */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3192 | case SIOCSIFDSTADDR: /* set remote PA address */ |
| 3193 | case SIOCSIFBRDADDR: /* set broadcast PA address */ |
| 3194 | case SIOCSIFNETMASK: /* set network PA mask */ |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3195 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "ioctl(SIOCSIF*ADDR)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3196 | (Addr)((struct ifreq *)arg3)->ifr_name ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3197 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(SIOCSIF*ADDR)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3198 | (Addr)&((struct ifreq *)arg3)->ifr_addr, |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3199 | sizeof(((struct ifreq *)arg3)->ifr_addr) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3200 | break; |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3201 | case SIOCSIFMETRIC: /* set metric */ |
| 3202 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "ioctl(SIOCSIFMETRIC)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3203 | (Addr)((struct ifreq *)arg3)->ifr_name ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3204 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(SIOCSIFMETRIC)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3205 | (Addr)&((struct ifreq *)arg3)->ifr_metric, |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3206 | sizeof(((struct ifreq *)arg3)->ifr_metric) ); |
| 3207 | break; |
| 3208 | case SIOCSIFMTU: /* set MTU size */ |
| 3209 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "ioctl(SIOCSIFMTU)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3210 | (Addr)((struct ifreq *)arg3)->ifr_name ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3211 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(SIOCSIFMTU)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3212 | (Addr)&((struct ifreq *)arg3)->ifr_mtu, |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3213 | sizeof(((struct ifreq *)arg3)->ifr_mtu) ); |
| 3214 | break; |
| 3215 | case SIOCSIFHWADDR: /* set hardware address */ |
| 3216 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "ioctl(SIOCSIFHWADDR)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3217 | (Addr)((struct ifreq *)arg3)->ifr_name ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3218 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(SIOCSIFHWADDR)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3219 | (Addr)&((struct ifreq *)arg3)->ifr_hwaddr, |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3220 | sizeof(((struct ifreq *)arg3)->ifr_hwaddr) ); |
| 3221 | break; |
| 3222 | #ifdef HAVE_LINUX_MII_H |
| 3223 | case SIOCSMIIREG: /* set hardware entry registers */ |
| 3224 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "ioctl(SIOCSMIIREG)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3225 | (Addr)((struct ifreq *)arg3)->ifr_name ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3226 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(SIOCSMIIREG)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3227 | (Addr)&((struct mii_ioctl_data *)&((struct ifreq *)arg3)->ifr_data)->phy_id, |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3228 | sizeof(((struct mii_ioctl_data *)&((struct ifreq *)arg3)->ifr_data)->phy_id) ); |
| 3229 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(SIOCSMIIREG)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3230 | (Addr)&((struct mii_ioctl_data *)&((struct ifreq *)arg3)->ifr_data)->reg_num, |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3231 | sizeof(((struct mii_ioctl_data *)&((struct ifreq *)arg3)->ifr_data)->reg_num) ); |
| 3232 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(SIOCSMIIREG)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3233 | (Addr)&((struct mii_ioctl_data *)&((struct ifreq *)arg3)->ifr_data)->val_in, |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3234 | sizeof(((struct mii_ioctl_data *)&((struct ifreq *)arg3)->ifr_data)->val_in) ); |
| 3235 | break; |
| 3236 | #endif |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3237 | /* Routing table calls. */ |
| 3238 | case SIOCADDRT: /* add routing table entry */ |
| 3239 | case SIOCDELRT: /* delete routing table entry */ |
| 3240 | SYSCALL_TRACK( pre_mem_read,tid,"ioctl(SIOCADDRT/DELRT)", arg3, |
| 3241 | sizeof(struct rtentry)); |
| 3242 | break; |
| 3243 | |
| 3244 | /* RARP cache control calls. */ |
| 3245 | case SIOCDRARP: /* delete RARP table entry */ |
| 3246 | case SIOCSRARP: /* set RARP table entry */ |
| 3247 | /* ARP cache control calls. */ |
| 3248 | case SIOCSARP: /* set ARP table entry */ |
| 3249 | case SIOCDARP: /* delete ARP table entry */ |
| 3250 | SYSCALL_TRACK( pre_mem_read,tid, "ioctl(SIOCSIFFLAGS)", arg3, |
| 3251 | sizeof(struct ifreq)); |
| 3252 | break; |
| 3253 | |
thughes | 1174fed | 2004-09-11 15:33:17 +0000 | [diff] [blame] | 3254 | case SIOCGPGRP: |
| 3255 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(SIOCGPGRP)", arg3, |
| 3256 | sizeof(int) ); |
| 3257 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3258 | case SIOCSPGRP: |
| 3259 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(SIOCSPGRP)", arg3, |
| 3260 | sizeof(int) ); |
thughes | 1174fed | 2004-09-11 15:33:17 +0000 | [diff] [blame] | 3261 | tst->sys_flags &= ~MayBlock; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3262 | break; |
| 3263 | |
| 3264 | /* linux/soundcard interface (OSS) */ |
| 3265 | case SNDCTL_SEQ_GETOUTCOUNT: |
| 3266 | case SNDCTL_SEQ_GETINCOUNT: |
| 3267 | case SNDCTL_SEQ_PERCMODE: |
| 3268 | case SNDCTL_SEQ_TESTMIDI: |
| 3269 | case SNDCTL_SEQ_RESETSAMPLES: |
| 3270 | case SNDCTL_SEQ_NRSYNTHS: |
| 3271 | case SNDCTL_SEQ_NRMIDIS: |
| 3272 | case SNDCTL_SEQ_GETTIME: |
| 3273 | case SNDCTL_DSP_GETFMTS: |
| 3274 | case SNDCTL_DSP_GETTRIGGER: |
| 3275 | case SNDCTL_DSP_GETODELAY: |
| 3276 | # if defined(SNDCTL_DSP_GETSPDIF) |
| 3277 | case SNDCTL_DSP_GETSPDIF: |
| 3278 | # endif |
| 3279 | case SNDCTL_DSP_GETCAPS: |
| 3280 | case SOUND_PCM_READ_RATE: |
| 3281 | case SOUND_PCM_READ_CHANNELS: |
| 3282 | case SOUND_PCM_READ_BITS: |
| 3283 | case (SOUND_PCM_READ_BITS|0x40000000): /* what the fuck ? */ |
| 3284 | case SOUND_PCM_READ_FILTER: |
| 3285 | SYSCALL_TRACK( pre_mem_write,tid, |
| 3286 | "ioctl(SNDCTL_XXX|SOUND_XXX (SIOR, int))", |
| 3287 | arg3, |
| 3288 | sizeof(int)); |
| 3289 | break; |
| 3290 | case SNDCTL_SEQ_CTRLRATE: |
| 3291 | case SNDCTL_DSP_SPEED: |
| 3292 | case SNDCTL_DSP_STEREO: |
| 3293 | case SNDCTL_DSP_GETBLKSIZE: |
| 3294 | case SNDCTL_DSP_CHANNELS: |
| 3295 | case SOUND_PCM_WRITE_FILTER: |
| 3296 | case SNDCTL_DSP_SUBDIVIDE: |
| 3297 | case SNDCTL_DSP_SETFRAGMENT: |
| 3298 | # if defined(SNDCTL_DSP_GETCHANNELMASK) |
| 3299 | case SNDCTL_DSP_GETCHANNELMASK: |
| 3300 | # endif |
| 3301 | # if defined(SNDCTL_DSP_BIND_CHANNEL) |
| 3302 | case SNDCTL_DSP_BIND_CHANNEL: |
| 3303 | # endif |
| 3304 | case SNDCTL_TMR_TIMEBASE: |
| 3305 | case SNDCTL_TMR_TEMPO: |
| 3306 | case SNDCTL_TMR_SOURCE: |
| 3307 | case SNDCTL_MIDI_PRETIME: |
| 3308 | case SNDCTL_MIDI_MPUMODE: |
| 3309 | SYSCALL_TRACK( pre_mem_read,tid, "ioctl(SNDCTL_XXX|SOUND_XXX " |
| 3310 | "(SIOWR, int))", |
| 3311 | arg3, sizeof(int)); |
| 3312 | SYSCALL_TRACK( pre_mem_write,tid, "ioctl(SNDCTL_XXX|SOUND_XXX " |
| 3313 | "(SIOWR, int))", |
| 3314 | arg3, sizeof(int)); |
| 3315 | break; |
| 3316 | case SNDCTL_DSP_GETOSPACE: |
| 3317 | case SNDCTL_DSP_GETISPACE: |
| 3318 | SYSCALL_TRACK( pre_mem_write,tid, |
| 3319 | "ioctl(SNDCTL_XXX|SOUND_XXX " |
| 3320 | "(SIOR, audio_buf_info))", arg3, |
| 3321 | sizeof(audio_buf_info)); |
| 3322 | break; |
| 3323 | case SNDCTL_DSP_SETTRIGGER: |
| 3324 | SYSCALL_TRACK( pre_mem_read,tid, |
| 3325 | "ioctl(SNDCTL_XXX|SOUND_XXX (SIOW, int))", |
| 3326 | arg3, sizeof(int)); |
| 3327 | break; |
| 3328 | |
| 3329 | case SNDCTL_DSP_POST: |
| 3330 | case SNDCTL_DSP_RESET: |
| 3331 | case SNDCTL_DSP_SYNC: |
| 3332 | case SNDCTL_DSP_SETSYNCRO: |
| 3333 | case SNDCTL_DSP_SETDUPLEX: |
| 3334 | break; |
| 3335 | |
| 3336 | /* Real Time Clock (/dev/rtc) ioctls */ |
| 3337 | # ifndef GLIBC_2_1 |
| 3338 | case RTC_UIE_ON: |
| 3339 | case RTC_UIE_OFF: |
| 3340 | case RTC_AIE_ON: |
| 3341 | case RTC_AIE_OFF: |
| 3342 | case RTC_PIE_ON: |
| 3343 | case RTC_PIE_OFF: |
| 3344 | case RTC_IRQP_SET: |
| 3345 | break; |
| 3346 | case RTC_RD_TIME: |
| 3347 | case RTC_ALM_READ: |
| 3348 | SYSCALL_TRACK( pre_mem_write,tid, "ioctl(RTC_RD_TIME/ALM_READ)", |
| 3349 | arg3, sizeof(struct rtc_time)); |
| 3350 | break; |
| 3351 | case RTC_ALM_SET: |
| 3352 | SYSCALL_TRACK( pre_mem_read,tid, "ioctl(RTC_ALM_SET)", arg3, |
| 3353 | sizeof(struct rtc_time)); |
| 3354 | break; |
| 3355 | case RTC_IRQP_READ: |
| 3356 | SYSCALL_TRACK( pre_mem_write,tid, "ioctl(RTC_IRQP_READ)", arg3, |
| 3357 | sizeof(unsigned long)); |
| 3358 | break; |
| 3359 | # endif /* GLIBC_2_1 */ |
| 3360 | |
| 3361 | # ifdef BLKGETSIZE |
| 3362 | case BLKGETSIZE: |
| 3363 | SYSCALL_TRACK( pre_mem_write,tid, "ioctl(BLKGETSIZE)", arg3, |
| 3364 | sizeof(unsigned long)); |
| 3365 | break; |
| 3366 | # endif /* BLKGETSIZE */ |
| 3367 | |
thughes | acbbc32 | 2004-06-19 12:12:01 +0000 | [diff] [blame] | 3368 | /* Hard disks */ |
| 3369 | case HDIO_GET_IDENTITY: /* 0x030d */ |
| 3370 | SYSCALL_TRACK( pre_mem_write,tid, "ioctl(HDIO_GET_IDENTITY)", arg3, |
| 3371 | sizeof(struct hd_driveid) ); |
| 3372 | break; |
| 3373 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3374 | /* CD ROM stuff (??) */ |
nethercote | 671398c | 2004-02-22 18:08:04 +0000 | [diff] [blame] | 3375 | case CDROM_GET_MCN: |
| 3376 | SYSCALL_TRACK( pre_mem_read,tid, "ioctl(CDROM_GET_MCN)", arg3, |
| 3377 | sizeof(struct cdrom_mcn) ); |
| 3378 | break; |
| 3379 | case CDROM_SEND_PACKET: |
| 3380 | SYSCALL_TRACK( pre_mem_read,tid, "ioctl(CDROM_SEND_PACKET)", arg3, |
| 3381 | sizeof(struct cdrom_generic_command)); |
| 3382 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3383 | case CDROMSUBCHNL: |
| 3384 | SYSCALL_TRACK( pre_mem_read,tid, |
| 3385 | "ioctl(CDROMSUBCHNL (cdsc_format, char))", |
| 3386 | (int) &(((struct cdrom_subchnl *) arg3)->cdsc_format), |
| 3387 | sizeof(((struct cdrom_subchnl *) arg3)->cdsc_format)); |
| 3388 | SYSCALL_TRACK( pre_mem_write,tid, |
| 3389 | "ioctl(CDROMSUBCHNL)", arg3, |
| 3390 | sizeof(struct cdrom_subchnl)); |
| 3391 | break; |
nethercote | 671398c | 2004-02-22 18:08:04 +0000 | [diff] [blame] | 3392 | case CDROMREADMODE2: |
| 3393 | SYSCALL_TRACK( pre_mem_read,tid, "ioctl(CDROMREADMODE2)", arg3, |
| 3394 | CD_FRAMESIZE_RAW0 ); |
| 3395 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3396 | case CDROMREADTOCHDR: |
| 3397 | SYSCALL_TRACK( pre_mem_write,tid, |
| 3398 | "ioctl(CDROMREADTOCHDR)", arg3, |
| 3399 | sizeof(struct cdrom_tochdr)); |
| 3400 | break; |
| 3401 | case CDROMREADTOCENTRY: |
| 3402 | SYSCALL_TRACK( pre_mem_read,tid, |
| 3403 | "ioctl(CDROMREADTOCENTRY (cdte_format, char))", |
| 3404 | (int) &(((struct cdrom_tocentry *) arg3)->cdte_format), |
| 3405 | sizeof(((struct cdrom_tocentry *) arg3)->cdte_format)); |
| 3406 | SYSCALL_TRACK( pre_mem_read,tid, |
| 3407 | "ioctl(CDROMREADTOCENTRY (cdte_track, char))", |
| 3408 | (int) &(((struct cdrom_tocentry *) arg3)->cdte_track), |
| 3409 | sizeof(((struct cdrom_tocentry *) arg3)->cdte_track)); |
| 3410 | SYSCALL_TRACK( pre_mem_write,tid, |
| 3411 | "ioctl(CDROMREADTOCENTRY)", arg3, |
| 3412 | sizeof(struct cdrom_tocentry)); |
| 3413 | break; |
thughes | 5b788fb | 2004-09-11 15:07:14 +0000 | [diff] [blame] | 3414 | case CDROMMULTISESSION: /* 0x5310 */ |
| 3415 | SYSCALL_TRACK( pre_mem_write,tid, "ioctl(CDROMMULTISESSION)", arg3, |
| 3416 | sizeof(struct cdrom_multisession)); |
| 3417 | break; |
| 3418 | case CDROMVOLREAD: /* 0x5313 */ |
| 3419 | SYSCALL_TRACK( pre_mem_write,tid, "ioctl(CDROMVOLREAD)", arg3, |
| 3420 | sizeof(struct cdrom_volctrl)); |
| 3421 | break; |
| 3422 | case CDROMREADAUDIO: /* 0x530e */ |
| 3423 | SYSCALL_TRACK( pre_mem_read,tid, "ioctl(CDROMREADAUDIO)", arg3, |
| 3424 | sizeof (struct cdrom_read_audio)); |
| 3425 | if ( arg3 ) { |
| 3426 | /* ToDo: don't do any of the following if the structure is invalid */ |
| 3427 | struct cdrom_read_audio *cra = (struct cdrom_read_audio *) arg3; |
| 3428 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(CDROMREADAUDIO).buf", |
| 3429 | (Addr)(cra->buf), |
| 3430 | (UInt)(cra->nframes * CD_FRAMESIZE_RAW)); |
| 3431 | } |
| 3432 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3433 | case CDROMPLAYMSF: |
| 3434 | SYSCALL_TRACK( pre_mem_read,tid, "ioctl(CDROMPLAYMSF)", arg3, |
| 3435 | sizeof(struct cdrom_msf)); |
| 3436 | break; |
| 3437 | /* The following two are probably bogus (should check args |
| 3438 | for readability). JRS 20021117 */ |
| 3439 | case CDROM_DRIVE_STATUS: /* 0x5326 */ |
| 3440 | case CDROM_CLEAR_OPTIONS: /* 0x5321 */ |
| 3441 | break; |
thughes | 66d8009 | 2004-06-19 12:41:05 +0000 | [diff] [blame] | 3442 | |
| 3443 | case FIGETBSZ: |
| 3444 | SYSCALL_TRACK( pre_mem_write,tid, "ioctl(FIGETBSZ)", arg3, |
| 3445 | sizeof(unsigned long)); |
| 3446 | break; |
| 3447 | case FIBMAP: |
| 3448 | SYSCALL_TRACK( pre_mem_read,tid, "ioctl(FIBMAP)", arg3, |
| 3449 | sizeof(unsigned long)); |
| 3450 | break; |
| 3451 | |
thughes | 1742d6f | 2004-04-22 07:28:43 +0000 | [diff] [blame] | 3452 | #ifdef HAVE_LINUX_FB_H |
thughes | 44e3558 | 2004-04-21 15:52:33 +0000 | [diff] [blame] | 3453 | case FBIOGET_VSCREENINFO: /* 0x4600 */ |
| 3454 | SYSCALL_TRACK( pre_mem_write,tid, |
| 3455 | "ioctl(FBIOGET_VSCREENINFO)", arg3, |
| 3456 | sizeof(struct fb_var_screeninfo)); |
| 3457 | break; |
| 3458 | case FBIOGET_FSCREENINFO: /* 0x4602 */ |
| 3459 | SYSCALL_TRACK( pre_mem_write,tid, |
| 3460 | "ioctl(FBIOGET_FSCREENINFO)", arg3, |
| 3461 | sizeof(struct fb_fix_screeninfo)); |
| 3462 | break; |
thughes | 1742d6f | 2004-04-22 07:28:43 +0000 | [diff] [blame] | 3463 | #endif |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3464 | |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3465 | case PPCLAIM: |
| 3466 | case PPEXCL: |
| 3467 | case PPYIELD: |
| 3468 | case PPRELEASE: |
| 3469 | break; |
| 3470 | case PPSETMODE: |
| 3471 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(PPSETMODE)", arg3, |
| 3472 | sizeof(int) ); |
| 3473 | break; |
thughes | fb6f200 | 2004-09-01 07:29:08 +0000 | [diff] [blame] | 3474 | #ifdef PPGETMODE |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3475 | case PPGETMODE: |
| 3476 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(PPGETMODE)", arg3, |
| 3477 | sizeof(int) ); |
| 3478 | break; |
thughes | fb6f200 | 2004-09-01 07:29:08 +0000 | [diff] [blame] | 3479 | #endif |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3480 | case PPSETPHASE: |
| 3481 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(PPSETPHASE)", arg3, |
| 3482 | sizeof(int) ); |
| 3483 | break; |
thughes | fb6f200 | 2004-09-01 07:29:08 +0000 | [diff] [blame] | 3484 | #ifdef PPGETPHASE |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3485 | case PPGETPHASE: |
| 3486 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(PPGETPHASE)", arg3, |
| 3487 | sizeof(int) ); |
| 3488 | break; |
thughes | fb6f200 | 2004-09-01 07:29:08 +0000 | [diff] [blame] | 3489 | #endif |
| 3490 | #ifdef PPGETMODES |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3491 | case PPGETMODES: |
| 3492 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(PPGETMODES)", arg3, |
| 3493 | sizeof(unsigned int) ); |
| 3494 | break; |
thughes | fb6f200 | 2004-09-01 07:29:08 +0000 | [diff] [blame] | 3495 | #endif |
| 3496 | #ifdef PPSETFLAGS |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3497 | case PPSETFLAGS: |
| 3498 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(PPSETFLAGS)", arg3, |
| 3499 | sizeof(int) ); |
| 3500 | break; |
thughes | fb6f200 | 2004-09-01 07:29:08 +0000 | [diff] [blame] | 3501 | #endif |
| 3502 | #ifdef PPGETFLAGS |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3503 | case PPGETFLAGS: |
| 3504 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(PPGETFLAGS)", arg3, |
| 3505 | sizeof(int) ); |
| 3506 | break; |
thughes | fb6f200 | 2004-09-01 07:29:08 +0000 | [diff] [blame] | 3507 | #endif |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3508 | case PPRSTATUS: |
| 3509 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(PPRSTATUS)", arg3, |
| 3510 | sizeof(unsigned char) ); |
| 3511 | break; |
| 3512 | case PPRDATA: |
| 3513 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(PPRDATA)", arg3, |
| 3514 | sizeof(unsigned char) ); |
| 3515 | break; |
| 3516 | case PPRCONTROL: |
| 3517 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(PPRCONTROL)", arg3, |
| 3518 | sizeof(unsigned char) ); |
| 3519 | break; |
| 3520 | case PPWDATA: |
| 3521 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(PPWDATA)", arg3, |
| 3522 | sizeof(unsigned char) ); |
| 3523 | break; |
| 3524 | case PPWCONTROL: |
| 3525 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(PPWCONTROL)", arg3, |
| 3526 | sizeof(unsigned char) ); |
| 3527 | break; |
| 3528 | case PPFCONTROL: |
| 3529 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(PPFCONTROL)", arg3, |
| 3530 | 2 * sizeof(unsigned char) ); |
| 3531 | break; |
| 3532 | case PPDATADIR: |
| 3533 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(PPDATADIR)", arg3, |
| 3534 | sizeof(int) ); |
| 3535 | break; |
| 3536 | case PPNEGOT: |
| 3537 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(PPNEGOT)", arg3, |
| 3538 | sizeof(int) ); |
| 3539 | break; |
| 3540 | case PPWCTLONIRQ: |
| 3541 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(PPWCTLONIRQ)", arg3, |
| 3542 | sizeof(unsigned char) ); |
| 3543 | break; |
| 3544 | case PPCLRIRQ: |
| 3545 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(PPCLRIRQ)", arg3, |
| 3546 | sizeof(int) ); |
| 3547 | break; |
| 3548 | case PPSETTIME: |
| 3549 | SYSCALL_TRACK( pre_mem_read, tid, "ioctl(PPSETTIME)", arg3, |
| 3550 | sizeof(struct timeval) ); |
| 3551 | break; |
| 3552 | case PPGETTIME: |
| 3553 | SYSCALL_TRACK( pre_mem_write, tid, "ioctl(PPGETTIME)", arg3, |
| 3554 | sizeof(struct timeval) ); |
| 3555 | break; |
| 3556 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3557 | /* We don't have any specific information on it, so |
| 3558 | try to do something reasonable based on direction and |
| 3559 | size bits. The encoding scheme is described in |
| 3560 | /usr/include/asm/ioctl.h. |
| 3561 | |
| 3562 | According to Simon Hausmann, _IOC_READ means the kernel |
| 3563 | writes a value to the ioctl value passed from the user |
| 3564 | space and the other way around with _IOC_WRITE. */ |
| 3565 | default: { |
| 3566 | UInt dir = _IOC_DIR(arg2); |
| 3567 | UInt size = _IOC_SIZE(arg2); |
| 3568 | if (VG_(strstr)(VG_(clo_weird_hacks), "lax-ioctls") != NULL) { |
| 3569 | /* |
| 3570 | * Be very lax about ioctl handling; the only |
| 3571 | * assumption is that the size is correct. Doesn't |
| 3572 | * require the full buffer to be initialized when |
| 3573 | * writing. Without this, using some device |
| 3574 | * drivers with a large number of strange ioctl |
| 3575 | * commands becomes very tiresome. |
| 3576 | */ |
| 3577 | } else if (/* size == 0 || */ dir == _IOC_NONE) { |
| 3578 | static Int moans = 3; |
| 3579 | if (moans > 0) { |
| 3580 | moans--; |
| 3581 | VG_(message)(Vg_UserMsg, |
| 3582 | "Warning: noted but unhandled ioctl 0x%x" |
| 3583 | " with no size/direction hints", |
| 3584 | arg2); |
| 3585 | VG_(message)(Vg_UserMsg, |
| 3586 | " This could cause spurious value errors" |
| 3587 | " to appear."); |
| 3588 | VG_(message)(Vg_UserMsg, |
| 3589 | " See README_MISSING_SYSCALL_OR_IOCTL for " |
| 3590 | "guidance on writing a proper wrapper." ); |
| 3591 | } |
| 3592 | } else { |
| 3593 | if ((dir & _IOC_WRITE) && size > 0) |
| 3594 | SYSCALL_TRACK( pre_mem_read,tid, "ioctl(generic)", |
| 3595 | arg3, size); |
| 3596 | if ((dir & _IOC_READ) && size > 0) |
| 3597 | SYSCALL_TRACK( pre_mem_write,tid, "ioctl(generic)", |
| 3598 | arg3, size); |
| 3599 | } |
| 3600 | break; |
| 3601 | } |
| 3602 | } |
| 3603 | } |
| 3604 | |
| 3605 | POST(ioctl) |
| 3606 | { |
| 3607 | /* int ioctl(int d, int request, ...) |
| 3608 | [The "third" argument is traditionally char *argp, |
| 3609 | and will be so named for this discussion.] |
| 3610 | */ |
| 3611 | /* |
| 3612 | VG_(message)( |
| 3613 | Vg_DebugMsg, |
| 3614 | "is an IOCTL, request = 0x%x, d = %d, argp = 0x%x", |
| 3615 | arg2,arg1,arg3); |
| 3616 | */ |
| 3617 | MAYBE_PRINTF("ioctl ( %d, 0x%x, %p )\n",arg1,arg2,arg3); |
| 3618 | switch (arg2 /* request */) { |
| 3619 | case TCSETS: |
| 3620 | case TCSETSW: |
| 3621 | case TCSETSF: |
| 3622 | break; |
| 3623 | case TCGETS: |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3624 | VG_TRACK( post_mem_write, arg3, VKI_SIZEOF_STRUCT_TERMIOS ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3625 | break; |
| 3626 | case TCSETA: |
| 3627 | case TCSETAW: |
| 3628 | case TCSETAF: |
| 3629 | break; |
| 3630 | case TCGETA: |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3631 | VG_TRACK( post_mem_write, arg3, VKI_SIZEOF_STRUCT_TERMIO ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3632 | break; |
| 3633 | case TCSBRK: |
| 3634 | case TCXONC: |
| 3635 | case TCSBRKP: |
| 3636 | case TCFLSH: |
| 3637 | break; |
| 3638 | case TIOCGWINSZ: |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3639 | VG_TRACK( post_mem_write, arg3, sizeof(struct winsize) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3640 | break; |
| 3641 | case TIOCSWINSZ: |
thughes | fc5cd00 | 2004-09-11 14:37:04 +0000 | [diff] [blame] | 3642 | case TIOCMBIS: |
| 3643 | case TIOCMBIC: |
| 3644 | case TIOCMSET: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3645 | break; |
| 3646 | case TIOCLINUX: |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3647 | VG_TRACK( post_mem_write, arg3, sizeof(char *) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3648 | break; |
| 3649 | case TIOCGPGRP: |
| 3650 | /* Get process group ID for foreground processing group. */ |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3651 | VG_TRACK( post_mem_write, arg3, sizeof(pid_t) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3652 | break; |
| 3653 | case TIOCSPGRP: |
| 3654 | /* Set a process group ID? */ |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3655 | VG_TRACK( post_mem_write, arg3, sizeof(pid_t) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3656 | break; |
| 3657 | case TIOCGPTN: /* Get Pty Number (of pty-mux device) */ |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3658 | VG_TRACK( post_mem_write, arg3, sizeof(int)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3659 | break; |
| 3660 | case TIOCSCTTY: |
| 3661 | break; |
| 3662 | case TIOCSPTLCK: /* Lock/unlock Pty */ |
| 3663 | break; |
| 3664 | case FIONBIO: |
| 3665 | break; |
| 3666 | case FIOASYNC: |
| 3667 | break; |
| 3668 | case FIONREAD: /* identical to SIOCINQ */ |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3669 | VG_TRACK( post_mem_write, arg3, sizeof(int) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3670 | break; |
| 3671 | |
| 3672 | /* If you get compilation problems here, change the #if |
| 3673 | 1 to #if 0 and get rid of <scsi/sg.h> in |
| 3674 | vg_unsafe.h. */ |
| 3675 | # if 1 |
| 3676 | case SG_SET_COMMAND_Q: |
| 3677 | break; |
| 3678 | # if defined(SG_IO) |
| 3679 | case SG_IO: |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3680 | VG_TRACK( post_mem_write,arg3, sizeof(struct sg_io_hdr)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3681 | break; |
| 3682 | # endif /* SG_IO */ |
| 3683 | case SG_GET_SCSI_ID: |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3684 | VG_TRACK( post_mem_write,arg3, sizeof(struct sg_scsi_id)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3685 | break; |
| 3686 | case SG_SET_RESERVED_SIZE: |
| 3687 | break; |
| 3688 | case SG_SET_TIMEOUT: |
| 3689 | break; |
| 3690 | case SG_GET_RESERVED_SIZE: |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3691 | VG_TRACK( post_mem_write,arg3, sizeof(int)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3692 | break; |
| 3693 | case SG_GET_TIMEOUT: |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3694 | VG_TRACK( post_mem_write,arg3, sizeof(int)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3695 | break; |
| 3696 | case SG_GET_VERSION_NUM: |
| 3697 | break; |
thughes | 5b788fb | 2004-09-11 15:07:14 +0000 | [diff] [blame] | 3698 | case SG_EMULATED_HOST: |
| 3699 | VG_TRACK( post_mem_write,arg3, sizeof(int)); |
| 3700 | break; |
| 3701 | case SG_GET_SG_TABLESIZE: |
| 3702 | VG_TRACK( post_mem_write,arg3, sizeof(int)); |
| 3703 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3704 | # endif |
| 3705 | |
mueller | a4b153a | 2003-11-19 22:07:14 +0000 | [diff] [blame] | 3706 | case VKI_IIOCGETCPS: |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3707 | /* In early 2.4 kernels, ISDN_MAX_CHANNELS was only defined |
| 3708 | * when KERNEL was. I never saw a larger value than 64 though */ |
| 3709 | # ifndef ISDN_MAX_CHANNELS |
| 3710 | # define ISDN_MAX_CHANNELS 64 |
| 3711 | # endif |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3712 | VG_TRACK( post_mem_write, arg3, |
| 3713 | ISDN_MAX_CHANNELS * 2 * sizeof(unsigned long) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3714 | break; |
mueller | a4b153a | 2003-11-19 22:07:14 +0000 | [diff] [blame] | 3715 | case VKI_IIOCNETGPN: |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3716 | VG_TRACK( post_mem_write, arg3, sizeof(isdn_net_ioctl_phone) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3717 | break; |
| 3718 | |
| 3719 | /* These all use struct ifreq AFAIK */ |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3720 | case SIOCGIFINDEX: /* get iface index */ |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3721 | VG_TRACK( post_mem_write, |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3722 | (Addr)&((struct ifreq *)arg3)->ifr_ifindex, |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3723 | sizeof(((struct ifreq *)arg3)->ifr_ifindex) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3724 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3725 | case SIOCGIFFLAGS: /* get flags */ |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3726 | VG_TRACK( post_mem_write, |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3727 | (Addr)&((struct ifreq *)arg3)->ifr_flags, |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3728 | sizeof(((struct ifreq *)arg3)->ifr_flags) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3729 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3730 | case SIOCGIFHWADDR: /* Get hardware address */ |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3731 | VG_TRACK( post_mem_write, |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3732 | (Addr)&((struct ifreq *)arg3)->ifr_hwaddr, |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3733 | sizeof(((struct ifreq *)arg3)->ifr_hwaddr) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3734 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3735 | case SIOCGIFMTU: /* get MTU size */ |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3736 | VG_TRACK( post_mem_write, |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3737 | (Addr)&((struct ifreq *)arg3)->ifr_mtu, |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3738 | sizeof(((struct ifreq *)arg3)->ifr_mtu) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3739 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3740 | case SIOCGIFADDR: /* get PA address */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3741 | case SIOCGIFDSTADDR: /* get remote PA address */ |
| 3742 | case SIOCGIFBRDADDR: /* get broadcast PA address */ |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3743 | case SIOCGIFNETMASK: /* get network PA mask */ |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3744 | VG_TRACK( post_mem_write, |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3745 | (Addr)&((struct ifreq *)arg3)->ifr_addr, |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3746 | sizeof(((struct ifreq *)arg3)->ifr_addr) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3747 | break; |
| 3748 | case SIOCGIFMETRIC: /* get metric */ |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3749 | VG_TRACK( post_mem_write, |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3750 | (Addr)&((struct ifreq *)arg3)->ifr_metric, |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3751 | sizeof(((struct ifreq *)arg3)->ifr_metric) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3752 | break; |
| 3753 | case SIOCGIFMAP: /* Get device parameters */ |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3754 | VG_TRACK( post_mem_write, |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3755 | (Addr)&((struct ifreq *)arg3)->ifr_map, |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3756 | sizeof(((struct ifreq *)arg3)->ifr_map) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3757 | break; |
| 3758 | break; |
| 3759 | case SIOCGIFTXQLEN: /* Get the tx queue length */ |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3760 | VG_TRACK( post_mem_write, |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3761 | (Addr)&((struct ifreq *)arg3)->ifr_qlen, |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3762 | sizeof(((struct ifreq *)arg3)->ifr_qlen) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3763 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3764 | case SIOCGIFNAME: /* get iface name */ |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3765 | VG_TRACK( post_mem_write, |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3766 | (Addr)&((struct ifreq *)arg3)->ifr_name, |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3767 | sizeof(((struct ifreq *)arg3)->ifr_name) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3768 | break; |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3769 | #ifdef HAVE_LINUX_MII_H |
| 3770 | case SIOCGMIIPHY: /* get hardware entry */ |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3771 | VG_TRACK( post_mem_write, |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3772 | (Addr)&((struct mii_ioctl_data *)&((struct ifreq *)arg3)->ifr_data)->phy_id, |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3773 | sizeof(((struct mii_ioctl_data *)&((struct ifreq *)arg3)->ifr_data)->phy_id) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3774 | break; |
| 3775 | case SIOCGMIIREG: /* get hardware entry registers */ |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3776 | VG_TRACK( post_mem_write, |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 3777 | (Addr)&((struct mii_ioctl_data *)&((struct ifreq *)arg3)->ifr_data)->val_out, |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3778 | sizeof(((struct mii_ioctl_data *)&((struct ifreq *)arg3)->ifr_data)->val_out) ); |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3779 | break; |
| 3780 | #endif |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3781 | case SIOCGIFCONF: /* get iface list */ |
| 3782 | /* WAS: |
| 3783 | SYSCALL_TRACK( pre_mem_write,"ioctl(SIOCGIFCONF)", arg3, |
| 3784 | sizeof(struct ifconf)); |
| 3785 | KERNEL_DO_SYSCALL(tid,res); |
| 3786 | if (!VG_(is_kerror)(res) && res == 0) |
| 3787 | VG_TRACK( post_mem_write,arg3, sizeof(struct ifconf)); |
| 3788 | */ |
| 3789 | if (res == 0 && arg3 ) { |
| 3790 | struct ifconf *ifc = (struct ifconf *) arg3; |
| 3791 | if (ifc->ifc_buf != NULL) |
| 3792 | VG_TRACK( post_mem_write, (Addr)(ifc->ifc_buf), |
| 3793 | (UInt)(ifc->ifc_len) ); |
| 3794 | } |
| 3795 | break; |
| 3796 | case SIOCGSTAMP: |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3797 | VG_TRACK( post_mem_write,arg3, sizeof(struct timeval)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3798 | break; |
| 3799 | /* SIOCOUTQ is an ioctl that, when called on a socket, returns |
| 3800 | the number of bytes currently in that socket's send buffer. |
| 3801 | It writes this value as an int to the memory location |
| 3802 | indicated by the third argument of ioctl(2). */ |
| 3803 | case SIOCOUTQ: |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3804 | VG_TRACK( post_mem_write,arg3, sizeof(int)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3805 | break; |
| 3806 | case SIOCGRARP: /* get RARP table entry */ |
| 3807 | case SIOCGARP: /* get ARP table entry */ |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3808 | VG_TRACK( post_mem_write,arg3, sizeof(struct arpreq)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3809 | break; |
| 3810 | |
| 3811 | case SIOCSIFFLAGS: /* set flags */ |
| 3812 | case SIOCSIFMAP: /* Set device parameters */ |
| 3813 | case SIOCSIFTXQLEN: /* Set the tx queue length */ |
| 3814 | case SIOCSIFDSTADDR: /* set remote PA address */ |
| 3815 | case SIOCSIFBRDADDR: /* set broadcast PA address */ |
| 3816 | case SIOCSIFNETMASK: /* set network PA mask */ |
| 3817 | case SIOCSIFMETRIC: /* set metric */ |
| 3818 | case SIOCSIFADDR: /* set PA address */ |
| 3819 | case SIOCSIFMTU: /* set MTU size */ |
| 3820 | case SIOCSIFHWADDR: /* set hardware address */ |
thughes | be81171 | 2004-06-17 23:04:58 +0000 | [diff] [blame] | 3821 | #ifdef HAVE_LINUX_MII_H |
| 3822 | case SIOCSMIIREG: /* set hardware entry registers */ |
| 3823 | #endif |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3824 | break; |
| 3825 | /* Routing table calls. */ |
| 3826 | case SIOCADDRT: /* add routing table entry */ |
| 3827 | case SIOCDELRT: /* delete routing table entry */ |
| 3828 | break; |
| 3829 | |
| 3830 | /* RARP cache control calls. */ |
| 3831 | case SIOCDRARP: /* delete RARP table entry */ |
| 3832 | case SIOCSRARP: /* set RARP table entry */ |
| 3833 | /* ARP cache control calls. */ |
| 3834 | case SIOCSARP: /* set ARP table entry */ |
| 3835 | case SIOCDARP: /* delete ARP table entry */ |
| 3836 | break; |
| 3837 | |
thughes | 1174fed | 2004-09-11 15:33:17 +0000 | [diff] [blame] | 3838 | case SIOCGPGRP: |
| 3839 | VG_TRACK( post_mem_write,arg3, sizeof(int)); |
| 3840 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3841 | case SIOCSPGRP: |
| 3842 | break; |
| 3843 | |
| 3844 | /* linux/soundcard interface (OSS) */ |
| 3845 | case SNDCTL_SEQ_GETOUTCOUNT: |
| 3846 | case SNDCTL_SEQ_GETINCOUNT: |
| 3847 | case SNDCTL_SEQ_PERCMODE: |
| 3848 | case SNDCTL_SEQ_TESTMIDI: |
| 3849 | case SNDCTL_SEQ_RESETSAMPLES: |
| 3850 | case SNDCTL_SEQ_NRSYNTHS: |
| 3851 | case SNDCTL_SEQ_NRMIDIS: |
| 3852 | case SNDCTL_SEQ_GETTIME: |
| 3853 | case SNDCTL_DSP_GETFMTS: |
| 3854 | case SNDCTL_DSP_GETTRIGGER: |
| 3855 | case SNDCTL_DSP_GETODELAY: |
| 3856 | # if defined(SNDCTL_DSP_GETSPDIF) |
| 3857 | case SNDCTL_DSP_GETSPDIF: |
| 3858 | # endif |
| 3859 | case SNDCTL_DSP_GETCAPS: |
| 3860 | case SOUND_PCM_READ_RATE: |
| 3861 | case SOUND_PCM_READ_CHANNELS: |
| 3862 | case SOUND_PCM_READ_BITS: |
| 3863 | case (SOUND_PCM_READ_BITS|0x40000000): /* what the fuck ? */ |
| 3864 | case SOUND_PCM_READ_FILTER: |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3865 | VG_TRACK( post_mem_write,arg3, sizeof(int)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3866 | break; |
| 3867 | case SNDCTL_SEQ_CTRLRATE: |
| 3868 | case SNDCTL_DSP_SPEED: |
| 3869 | case SNDCTL_DSP_STEREO: |
| 3870 | case SNDCTL_DSP_GETBLKSIZE: |
| 3871 | case SNDCTL_DSP_CHANNELS: |
| 3872 | case SOUND_PCM_WRITE_FILTER: |
| 3873 | case SNDCTL_DSP_SUBDIVIDE: |
| 3874 | case SNDCTL_DSP_SETFRAGMENT: |
| 3875 | # if defined(SNDCTL_DSP_GETCHANNELMASK) |
| 3876 | case SNDCTL_DSP_GETCHANNELMASK: |
| 3877 | # endif |
| 3878 | # if defined(SNDCTL_DSP_BIND_CHANNEL) |
| 3879 | case SNDCTL_DSP_BIND_CHANNEL: |
| 3880 | # endif |
| 3881 | case SNDCTL_TMR_TIMEBASE: |
| 3882 | case SNDCTL_TMR_TEMPO: |
| 3883 | case SNDCTL_TMR_SOURCE: |
| 3884 | case SNDCTL_MIDI_PRETIME: |
| 3885 | case SNDCTL_MIDI_MPUMODE: |
| 3886 | break; |
| 3887 | case SNDCTL_DSP_GETOSPACE: |
| 3888 | case SNDCTL_DSP_GETISPACE: |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3889 | VG_TRACK( post_mem_write,arg3, sizeof(audio_buf_info)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3890 | break; |
| 3891 | case SNDCTL_DSP_SETTRIGGER: |
| 3892 | break; |
| 3893 | |
| 3894 | case SNDCTL_DSP_POST: |
| 3895 | case SNDCTL_DSP_RESET: |
| 3896 | case SNDCTL_DSP_SYNC: |
| 3897 | case SNDCTL_DSP_SETSYNCRO: |
| 3898 | case SNDCTL_DSP_SETDUPLEX: |
| 3899 | break; |
| 3900 | |
| 3901 | /* Real Time Clock (/dev/rtc) ioctls */ |
| 3902 | # ifndef GLIBC_2_1 |
| 3903 | case RTC_UIE_ON: |
| 3904 | case RTC_UIE_OFF: |
| 3905 | case RTC_AIE_ON: |
| 3906 | case RTC_AIE_OFF: |
| 3907 | case RTC_PIE_ON: |
| 3908 | case RTC_PIE_OFF: |
| 3909 | case RTC_IRQP_SET: |
| 3910 | break; |
| 3911 | case RTC_RD_TIME: |
| 3912 | case RTC_ALM_READ: |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3913 | VG_TRACK( post_mem_write,arg3, sizeof(struct rtc_time)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3914 | break; |
| 3915 | case RTC_ALM_SET: |
| 3916 | break; |
| 3917 | case RTC_IRQP_READ: |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3918 | VG_TRACK( post_mem_write,arg3, sizeof(unsigned long)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3919 | break; |
| 3920 | # endif /* GLIBC_2_1 */ |
| 3921 | |
| 3922 | # ifdef BLKGETSIZE |
| 3923 | case BLKGETSIZE: |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3924 | VG_TRACK( post_mem_write,arg3, sizeof(unsigned long)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3925 | break; |
| 3926 | # endif /* BLKGETSIZE */ |
| 3927 | |
thughes | acbbc32 | 2004-06-19 12:12:01 +0000 | [diff] [blame] | 3928 | /* Hard disks */ |
| 3929 | case HDIO_GET_IDENTITY: /* 0x030d */ |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3930 | VG_TRACK( post_mem_write,arg3, sizeof(struct hd_driveid)); |
thughes | acbbc32 | 2004-06-19 12:12:01 +0000 | [diff] [blame] | 3931 | break; |
| 3932 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3933 | /* CD ROM stuff (??) */ |
| 3934 | case CDROMSUBCHNL: |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3935 | VG_TRACK( post_mem_write,arg3, sizeof(struct cdrom_subchnl)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3936 | break; |
| 3937 | case CDROMREADTOCHDR: |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3938 | VG_TRACK( post_mem_write,arg3, sizeof(struct cdrom_tochdr)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3939 | break; |
| 3940 | case CDROMREADTOCENTRY: |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3941 | VG_TRACK( post_mem_write,arg3, sizeof(struct cdrom_tochdr)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3942 | break; |
thughes | 5b788fb | 2004-09-11 15:07:14 +0000 | [diff] [blame] | 3943 | case CDROMMULTISESSION: |
| 3944 | VG_TRACK( post_mem_write,arg3, sizeof(struct cdrom_multisession)); |
| 3945 | break; |
| 3946 | case CDROMVOLREAD: |
| 3947 | VG_TRACK( post_mem_write,arg3, sizeof(struct cdrom_volctrl)); |
| 3948 | break; |
| 3949 | case CDROMREADAUDIO: |
| 3950 | { |
| 3951 | struct cdrom_read_audio *cra = (struct cdrom_read_audio *) arg3; |
| 3952 | VG_TRACK( post_mem_write, (Addr)(cra->buf), |
| 3953 | (UInt)(cra->nframes * CD_FRAMESIZE_RAW)); |
| 3954 | break; |
| 3955 | } |
| 3956 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 3957 | case CDROMPLAYMSF: |
| 3958 | break; |
| 3959 | /* The following two are probably bogus (should check args |
| 3960 | for readability). JRS 20021117 */ |
| 3961 | case CDROM_DRIVE_STATUS: /* 0x5326 */ |
| 3962 | case CDROM_CLEAR_OPTIONS: /* 0x5321 */ |
| 3963 | break; |
| 3964 | |
thughes | 66d8009 | 2004-06-19 12:41:05 +0000 | [diff] [blame] | 3965 | case FIGETBSZ: |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3966 | VG_TRACK( post_mem_write,arg3, sizeof(unsigned long)); |
thughes | 66d8009 | 2004-06-19 12:41:05 +0000 | [diff] [blame] | 3967 | break; |
| 3968 | case FIBMAP: |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3969 | VG_TRACK( post_mem_write,arg3, sizeof(unsigned long)); |
thughes | 66d8009 | 2004-06-19 12:41:05 +0000 | [diff] [blame] | 3970 | break; |
| 3971 | |
thughes | 1742d6f | 2004-04-22 07:28:43 +0000 | [diff] [blame] | 3972 | #ifdef HAVE_LINUX_FB_H |
thughes | 44e3558 | 2004-04-21 15:52:33 +0000 | [diff] [blame] | 3973 | case FBIOGET_VSCREENINFO: //0x4600 |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3974 | VG_TRACK( post_mem_write,arg3, sizeof(struct fb_var_screeninfo)); |
thughes | 44e3558 | 2004-04-21 15:52:33 +0000 | [diff] [blame] | 3975 | break; |
| 3976 | case FBIOGET_FSCREENINFO: //0x4602 |
thughes | 6432669 | 2004-09-11 15:14:59 +0000 | [diff] [blame] | 3977 | VG_TRACK( post_mem_write,arg3, sizeof(struct fb_fix_screeninfo)); |
thughes | 44e3558 | 2004-04-21 15:52:33 +0000 | [diff] [blame] | 3978 | break; |
thughes | 1742d6f | 2004-04-22 07:28:43 +0000 | [diff] [blame] | 3979 | #endif |
thughes | 44e3558 | 2004-04-21 15:52:33 +0000 | [diff] [blame] | 3980 | |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3981 | case PPCLAIM: |
| 3982 | case PPEXCL: |
| 3983 | case PPYIELD: |
| 3984 | case PPRELEASE: |
| 3985 | case PPSETMODE: |
| 3986 | case PPSETPHASE: |
thughes | fb6f200 | 2004-09-01 07:29:08 +0000 | [diff] [blame] | 3987 | #ifdef PPSETFLAGS |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3988 | case PPSETFLAGS: |
thughes | fb6f200 | 2004-09-01 07:29:08 +0000 | [diff] [blame] | 3989 | #endif |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3990 | case PPWDATA: |
| 3991 | case PPWCONTROL: |
| 3992 | case PPFCONTROL: |
| 3993 | case PPDATADIR: |
| 3994 | case PPNEGOT: |
| 3995 | case PPWCTLONIRQ: |
| 3996 | case PPSETTIME: |
| 3997 | break; |
thughes | fb6f200 | 2004-09-01 07:29:08 +0000 | [diff] [blame] | 3998 | #ifdef PPGETMODE |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 3999 | case PPGETMODE: |
| 4000 | VG_TRACK( post_mem_write, arg3, sizeof(int) ); |
| 4001 | break; |
thughes | fb6f200 | 2004-09-01 07:29:08 +0000 | [diff] [blame] | 4002 | #endif |
| 4003 | #ifdef PPGETPHASE |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 4004 | case PPGETPHASE: |
| 4005 | VG_TRACK( post_mem_write, arg3, sizeof(int) ); |
| 4006 | break; |
thughes | fb6f200 | 2004-09-01 07:29:08 +0000 | [diff] [blame] | 4007 | #endif |
| 4008 | #ifdef PPGETMODES |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 4009 | case PPGETMODES: |
| 4010 | VG_TRACK( post_mem_write, arg3, sizeof(unsigned int) ); |
| 4011 | break; |
thughes | fb6f200 | 2004-09-01 07:29:08 +0000 | [diff] [blame] | 4012 | #endif |
| 4013 | #ifdef PPGETFLAGS |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 4014 | case PPGETFLAGS: |
| 4015 | VG_TRACK( post_mem_write, arg3, sizeof(int) ); |
| 4016 | break; |
thughes | fb6f200 | 2004-09-01 07:29:08 +0000 | [diff] [blame] | 4017 | #endif |
thughes | d989548 | 2004-08-16 19:46:55 +0000 | [diff] [blame] | 4018 | case PPRSTATUS: |
| 4019 | VG_TRACK( post_mem_write, arg3, sizeof(unsigned char) ); |
| 4020 | break; |
| 4021 | case PPRDATA: |
| 4022 | VG_TRACK( post_mem_write, arg3, sizeof(unsigned char) ); |
| 4023 | break; |
| 4024 | case PPRCONTROL: |
| 4025 | VG_TRACK( post_mem_write, arg3, sizeof(unsigned char) ); |
| 4026 | break; |
| 4027 | case PPCLRIRQ: |
| 4028 | VG_TRACK( post_mem_write, arg3, sizeof(int) ); |
| 4029 | break; |
| 4030 | case PPGETTIME: |
| 4031 | VG_TRACK( post_mem_write, arg3, sizeof(struct timeval) ); |
| 4032 | break; |
| 4033 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4034 | /* We don't have any specific information on it, so |
| 4035 | try to do something reasonable based on direction and |
| 4036 | size bits. The encoding scheme is described in |
| 4037 | /usr/include/asm/ioctl.h. |
| 4038 | |
| 4039 | According to Simon Hausmann, _IOC_READ means the kernel |
| 4040 | writes a value to the ioctl value passed from the user |
| 4041 | space and the other way around with _IOC_WRITE. */ |
| 4042 | default: { |
| 4043 | UInt dir = _IOC_DIR(arg2); |
| 4044 | UInt size = _IOC_SIZE(arg2); |
| 4045 | if (size > 0 && (dir & _IOC_READ) |
| 4046 | && res == 0 |
| 4047 | && arg3 != (Addr)NULL) |
| 4048 | VG_TRACK( post_mem_write,arg3, size); |
| 4049 | break; |
| 4050 | } |
| 4051 | } |
| 4052 | } |
| 4053 | |
| 4054 | PRE(kill) |
| 4055 | { |
| 4056 | /* int kill(pid_t pid, int sig); */ |
| 4057 | MAYBE_PRINTF("kill ( %d, %d )\n", arg1,arg2); |
| 4058 | if (arg2 == VKI_SIGVGINT || arg2 == VKI_SIGVGKILL) |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 4059 | set_result( -VKI_EINVAL ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4060 | } |
| 4061 | |
| 4062 | POST(kill) |
| 4063 | { |
| 4064 | /* If this was a self-kill then wait for a signal to be |
| 4065 | delivered to any thread before claiming the kill is done. */ |
| 4066 | if (res >= 0 && /* if it was successful */ |
| 4067 | arg2 != 0 && /* if a real signal */ |
| 4068 | !VG_(is_sig_ign)(arg2) && /* that isn't ignored and */ |
| 4069 | !VG_(ksigismember)(&tst->eff_sig_mask, arg2) && /* we're not blocking it */ |
| 4070 | (arg1 == VG_(getpid)() || /* directed at us or */ |
| 4071 | arg1 == -1 || /* directed at everyone or */ |
| 4072 | arg1 == 0 || /* directed at whole group or */ |
| 4073 | -arg1 == VG_(getpgrp)())) { /* directed at our group... */ |
| 4074 | /* ...then wait for that signal to be delivered to someone |
| 4075 | (might be us, might be someone else who doesn't have it |
| 4076 | blocked) */ |
| 4077 | VG_(proxy_waitsig)(); |
| 4078 | } |
| 4079 | } |
| 4080 | |
| 4081 | PRE(link) |
| 4082 | { |
| 4083 | /* int link(const char *oldpath, const char *newpath); */ |
| 4084 | MAYBE_PRINTF("link ( %p, %p)\n", arg1, arg2); |
| 4085 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "link(oldpath)", arg1); |
| 4086 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "link(newpath)", arg2); |
| 4087 | } |
| 4088 | |
| 4089 | PRE(lseek) |
| 4090 | { |
| 4091 | /* off_t lseek(int fildes, off_t offset, int whence); */ |
| 4092 | MAYBE_PRINTF("lseek ( %d, %d, %d )\n",arg1,arg2,arg3); |
| 4093 | } |
| 4094 | |
| 4095 | PRE(_llseek) |
| 4096 | { |
| 4097 | /* int _llseek(unsigned int fd, unsigned long offset_high, |
| 4098 | unsigned long offset_low, |
| 4099 | loff_t * result, unsigned int whence); */ |
| 4100 | MAYBE_PRINTF("llseek ( %d, 0x%x, 0x%x, %p, %d )\n", |
| 4101 | arg1,arg2,arg3,arg4,arg5); |
| 4102 | SYSCALL_TRACK( pre_mem_write, tid, "llseek(result)", arg4, |
| 4103 | sizeof(loff_t)); |
| 4104 | } |
| 4105 | |
| 4106 | POST(_llseek) |
| 4107 | { |
| 4108 | if (res == 0) |
| 4109 | VG_TRACK( post_mem_write, arg4, sizeof(loff_t) ); |
| 4110 | } |
| 4111 | |
| 4112 | PRE(lstat) |
| 4113 | { |
| 4114 | /* int lstat(const char *file_name, struct stat *buf); */ |
nethercote | e70bd7d | 2004-08-18 14:37:17 +0000 | [diff] [blame] | 4115 | MAYBE_PRINTF("lstat ( %p(%s), %p )\n",arg1,arg1,arg2); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4116 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "lstat(file_name)", arg1 ); |
| 4117 | SYSCALL_TRACK( pre_mem_write, tid, "lstat(buf)", arg2, |
| 4118 | sizeof(struct stat) ); |
| 4119 | } |
| 4120 | |
| 4121 | POST(lstat) |
| 4122 | { |
| 4123 | if (res == 0) { |
| 4124 | VG_TRACK( post_mem_write, arg2, sizeof(struct stat) ); |
| 4125 | } |
| 4126 | } |
| 4127 | |
| 4128 | PRE(lstat64) |
| 4129 | { |
| 4130 | /* int lstat64(const char *file_name, struct stat64 *buf); */ |
nethercote | e70bd7d | 2004-08-18 14:37:17 +0000 | [diff] [blame] | 4131 | MAYBE_PRINTF("lstat64 ( %p(%s), %p )\n",arg1,arg1,arg2); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4132 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "lstat64(file_name)", arg1 ); |
| 4133 | SYSCALL_TRACK( pre_mem_write, tid, "lstat64(buf)", arg2, |
| 4134 | sizeof(struct stat64) ); |
| 4135 | } |
| 4136 | |
| 4137 | POST(lstat64) |
| 4138 | { |
| 4139 | if (res == 0) { |
| 4140 | VG_TRACK( post_mem_write, arg2, sizeof(struct stat64) ); |
| 4141 | } |
| 4142 | } |
| 4143 | |
| 4144 | PRE(mkdir) |
| 4145 | { |
| 4146 | /* int mkdir(const char *pathname, mode_t mode); */ |
| 4147 | MAYBE_PRINTF("mkdir ( %p, %d )\n", arg1,arg2); |
| 4148 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "mkdir(pathname)", arg1 ); |
| 4149 | } |
| 4150 | |
| 4151 | PRE(mmap2) |
| 4152 | { |
nethercote | 27ea8bc | 2004-07-10 17:21:14 +0000 | [diff] [blame] | 4153 | // Exactly like __NR_mmap except: |
| 4154 | // - all 6 args are passed in regs, rather than in a memory-block. |
| 4155 | // - the file offset is specified in pagesize units rather than bytes, |
| 4156 | // so that it can be used for files bigger than 2^32 bytes. |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4157 | /* void* mmap(void *start, size_t length, int prot, |
| 4158 | int flags, int fd, off_t offset); |
| 4159 | */ |
| 4160 | MAYBE_PRINTF("mmap2 ( %p, %d, %d, %d, %d, %d )\n", |
| 4161 | arg1, arg2, arg3, arg4, arg5, arg6 ); |
nethercote | db23332 | 2003-12-02 14:56:04 +0000 | [diff] [blame] | 4162 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 4163 | if (arg4 & VKI_MAP_FIXED) { |
| 4164 | if (!valid_client_addr(arg1, arg2, tid, "mmap2")) |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 4165 | set_result( -VKI_ENOMEM ); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 4166 | } else { |
| 4167 | arg1 = VG_(find_map_space)(arg1, arg2, True); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 4168 | if (arg1 == 0) |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 4169 | set_result( -VKI_ENOMEM ); |
nethercote | 27ea8bc | 2004-07-10 17:21:14 +0000 | [diff] [blame] | 4170 | else |
| 4171 | arg4 |= VKI_MAP_FIXED; |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 4172 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4173 | } |
| 4174 | |
| 4175 | POST(mmap2) |
| 4176 | { |
nethercote | fe08261 | 2004-07-10 18:08:13 +0000 | [diff] [blame] | 4177 | vg_assert(valid_client_addr(res, arg2, tid, "mmap2")); |
| 4178 | mmap_segment( (Addr)res, arg2, arg3, arg4, arg5, arg6 * (ULong)VKI_BYTES_PER_PAGE ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4179 | } |
| 4180 | |
| 4181 | PRE(mmap) |
| 4182 | { |
| 4183 | /* void* mmap(void *start, size_t length, int prot, |
| 4184 | int flags, int fd, off_t offset); |
| 4185 | */ |
| 4186 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4187 | UInt a1, a2, a3, a4, a5, a6; |
| 4188 | |
nethercote | 6456ab1 | 2004-10-18 14:47:48 +0000 | [diff] [blame] | 4189 | vg_assert(tid = tst->tid); |
| 4190 | PLATFORM_GET_MMAP_ARGS(tst, a1, a2, a3, a4, a5, a6); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4191 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4192 | MAYBE_PRINTF("mmap ( %p, %d, %d, %d, %d, %d )\n", |
| 4193 | a1, a2, a3, a4, a5, a6 ); |
nethercote | db23332 | 2003-12-02 14:56:04 +0000 | [diff] [blame] | 4194 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 4195 | if (a4 & VKI_MAP_FIXED) { |
| 4196 | if (!valid_client_addr(a1, a2, tid, "mmap")) { |
| 4197 | MAYBE_PRINTF("mmap failing: %p-%p\n", a1, a1+a2); |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 4198 | set_result( -VKI_ENOMEM ); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 4199 | } |
| 4200 | } else { |
nethercote | 6456ab1 | 2004-10-18 14:47:48 +0000 | [diff] [blame] | 4201 | a1 = VG_(find_map_space)(a1, a2, True); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 4202 | if (a1 == 0) |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 4203 | set_result( -VKI_ENOMEM ); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 4204 | else |
| 4205 | a4 |= VKI_MAP_FIXED; |
| 4206 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4207 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 4208 | if (res != -VKI_ENOMEM) { |
nethercote | 6456ab1 | 2004-10-18 14:47:48 +0000 | [diff] [blame] | 4209 | PLATFORM_DO_MMAP(res, a1, a2, a3, a4, a5, a6); |
fitzhardinge | c2d6507 | 2004-01-07 08:44:43 +0000 | [diff] [blame] | 4210 | |
| 4211 | if (!VG_(is_kerror)(res)) { |
nethercote | b4250ae | 2004-07-10 16:50:09 +0000 | [diff] [blame] | 4212 | vg_assert(valid_client_addr(res, a2, tid, "mmap")); |
| 4213 | mmap_segment( (Addr)res, a2, a3, a4, a5, a6 ); |
fitzhardinge | c2d6507 | 2004-01-07 08:44:43 +0000 | [diff] [blame] | 4214 | } |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 4215 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4216 | } |
| 4217 | |
| 4218 | PRE(mprotect) |
| 4219 | { |
| 4220 | /* int mprotect(const void *addr, size_t len, int prot); */ |
| 4221 | /* should addr .. addr+len-1 be checked before the call? */ |
| 4222 | MAYBE_PRINTF("mprotect ( %p, %d, %d )\n", arg1,arg2,arg3); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 4223 | |
| 4224 | if (!valid_client_addr(arg1, arg2, tid, "mprotect")) |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 4225 | set_result( -VKI_ENOMEM ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4226 | } |
| 4227 | |
| 4228 | POST(mprotect) |
| 4229 | { |
nethercote | 27ea8bc | 2004-07-10 17:21:14 +0000 | [diff] [blame] | 4230 | Addr a = arg1; |
| 4231 | UInt len = arg2; |
| 4232 | Int prot = arg3; |
| 4233 | Bool rr = prot & VKI_PROT_READ; |
| 4234 | Bool ww = prot & VKI_PROT_WRITE; |
| 4235 | Bool xx = prot & VKI_PROT_EXEC; |
| 4236 | |
nethercote | 27ea8bc | 2004-07-10 17:21:14 +0000 | [diff] [blame] | 4237 | mash_addr_and_len(&a, &len); |
| 4238 | VG_(mprotect_range)(a, len, prot); |
| 4239 | VG_TRACK( change_mem_mprotect, a, len, rr, ww, xx ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4240 | } |
| 4241 | |
| 4242 | PRE(munmap) |
| 4243 | { |
| 4244 | /* int munmap(void *start, size_t length); */ |
| 4245 | /* should start .. start+length-1 be checked before the call? */ |
| 4246 | MAYBE_PRINTF("munmap ( %p, %d )\n", arg1,arg2); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 4247 | |
| 4248 | if (!valid_client_addr(arg1, arg2, tid, "munmap")) |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 4249 | set_result( -VKI_EINVAL ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4250 | } |
| 4251 | |
| 4252 | POST(munmap) |
| 4253 | { |
nethercote | 27ea8bc | 2004-07-10 17:21:14 +0000 | [diff] [blame] | 4254 | Addr a = arg1; |
| 4255 | UInt len = arg2; |
| 4256 | |
| 4257 | mash_addr_and_len(&a, &len); |
| 4258 | VG_(unmap_range)(a, len); |
| 4259 | VG_TRACK( die_mem_munmap, a, len ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4260 | } |
| 4261 | |
mueller | 6ceb231 | 2004-01-02 22:52:34 +0000 | [diff] [blame] | 4262 | PRE(mincore) |
| 4263 | { |
| 4264 | /* int mincore(void *start, size_t length, unsigned char *vec); */ |
| 4265 | MAYBE_PRINTF("mincore ( %p, %d, %p )\n", arg1,arg2,arg3); |
| 4266 | SYSCALL_TRACK(pre_mem_write, tid, "mincore(vec)", |
| 4267 | arg3, (arg2 + 4096 - 1) / 4096); |
| 4268 | } |
| 4269 | |
| 4270 | POST(mincore) |
| 4271 | { |
nethercote | fe08261 | 2004-07-10 18:08:13 +0000 | [diff] [blame] | 4272 | VG_TRACK( post_mem_write, arg3, (arg2 + 4096 - 1) / 4096 ); |
mueller | 6ceb231 | 2004-01-02 22:52:34 +0000 | [diff] [blame] | 4273 | } |
| 4274 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4275 | PRE(nanosleep) |
| 4276 | { |
nethercote | fe08261 | 2004-07-10 18:08:13 +0000 | [diff] [blame] | 4277 | /* int nanosleep(const struct timespec *req, struct timespec *rem); */ |
| 4278 | MAYBE_PRINTF("nanosleep ( %p, %p )\n", arg1,arg2); |
| 4279 | SYSCALL_TRACK( pre_mem_read, tid, "nanosleep(req)", arg1, |
| 4280 | sizeof(struct timespec) ); |
| 4281 | if (arg2 != (UInt)NULL) |
| 4282 | SYSCALL_TRACK( pre_mem_write, tid, "nanosleep(rem)", arg2, |
| 4283 | sizeof(struct timespec) ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4284 | } |
| 4285 | |
| 4286 | POST(nanosleep) |
| 4287 | { |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 4288 | if (arg2 != (UInt)NULL && res == -VKI_EINTR) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4289 | VG_TRACK( post_mem_write, arg2, sizeof(struct timespec) ); |
| 4290 | } |
| 4291 | |
| 4292 | PRE(_newselect) |
| 4293 | { |
| 4294 | /* int select(int n, |
| 4295 | fd_set *readfds, fd_set *writefds, fd_set *exceptfds, |
| 4296 | struct timeval *timeout); |
| 4297 | */ |
| 4298 | MAYBE_PRINTF("newselect ( %d, %p, %p, %p, %p )\n", |
| 4299 | arg1,arg2,arg3,arg4,arg5); |
| 4300 | if (arg2 != 0) |
| 4301 | SYSCALL_TRACK( pre_mem_read, tid, "newselect(readfds)", |
| 4302 | arg2, arg1/8 /* __FD_SETSIZE/8 */ ); |
| 4303 | if (arg3 != 0) |
| 4304 | SYSCALL_TRACK( pre_mem_read, tid, "newselect(writefds)", |
| 4305 | arg3, arg1/8 /* __FD_SETSIZE/8 */ ); |
| 4306 | if (arg4 != 0) |
| 4307 | SYSCALL_TRACK( pre_mem_read, tid, "newselect(exceptfds)", |
| 4308 | arg4, arg1/8 /* __FD_SETSIZE/8 */ ); |
| 4309 | if (arg5 != 0) |
| 4310 | SYSCALL_TRACK( pre_mem_read, tid, "newselect(timeout)", arg5, |
| 4311 | sizeof(struct timeval) ); |
| 4312 | } |
| 4313 | |
| 4314 | PRE(open) |
| 4315 | { |
nethercote | e70bd7d | 2004-08-18 14:37:17 +0000 | [diff] [blame] | 4316 | /* int open(const char *pathname, int flags, mode_t mode); */ |
| 4317 | if (arg2 & VKI_O_CREAT) { |
| 4318 | /* int open(const char *pathname, int flags, mode_t mode); */ |
| 4319 | MAYBE_PRINTF("open ( %p(%s), %d, %d ) --> ",arg1,arg1,arg2,arg3); |
| 4320 | } else { |
| 4321 | /* int open(const char *pathname, int flags); */ |
| 4322 | MAYBE_PRINTF("open ( %p(%s), %d ) --> ",arg1,arg1,arg2); |
| 4323 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4324 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "open(pathname)", arg1 ); |
| 4325 | } |
| 4326 | |
| 4327 | POST(open) |
| 4328 | { |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 4329 | if (!fd_allowed(res, "open", tid, True)) { |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4330 | VG_(close)(res); |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 4331 | set_result( -VKI_EMFILE ); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 4332 | } else { |
nethercote | 493dd18 | 2004-02-24 23:57:47 +0000 | [diff] [blame] | 4333 | if (VG_(clo_track_fds)) |
fitzhardinge | a772847 | 2003-12-16 01:48:38 +0000 | [diff] [blame] | 4334 | record_fd_open(tid, res, VG_(arena_strdup)(VG_AR_CORE, (Char*)arg1)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4335 | } |
| 4336 | MAYBE_PRINTF("%d\n",res); |
| 4337 | } |
| 4338 | |
| 4339 | PRE(read) |
| 4340 | { |
| 4341 | /* size_t read(int fd, void *buf, size_t count); */ |
| 4342 | MAYBE_PRINTF("read ( %d, %p, %d )\n", arg1, arg2, arg3); |
| 4343 | |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 4344 | if (!fd_allowed(arg1, "read", tid, False)) |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 4345 | set_result( -VKI_EBADF ); |
thughes | 26ab77b | 2004-08-14 12:10:49 +0000 | [diff] [blame] | 4346 | else |
| 4347 | SYSCALL_TRACK( pre_mem_write, tid, "read(buf)", arg2, arg3 ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4348 | } |
| 4349 | |
| 4350 | POST(read) |
| 4351 | { |
thughes | 26ab77b | 2004-08-14 12:10:49 +0000 | [diff] [blame] | 4352 | VG_TRACK( post_mem_write, arg2, res ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4353 | } |
| 4354 | |
| 4355 | PRE(write) |
| 4356 | { |
| 4357 | /* size_t write(int fd, const void *buf, size_t count); */ |
| 4358 | MAYBE_PRINTF("write ( %d, %p, %d )\n", arg1, arg2, arg3); |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 4359 | if (!fd_allowed(arg1, "write", tid, False)) |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 4360 | set_result( -VKI_EBADF ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4361 | else |
| 4362 | SYSCALL_TRACK( pre_mem_read, tid, "write(buf)", arg2, arg3 ); |
| 4363 | } |
| 4364 | |
| 4365 | PRE(creat) |
| 4366 | { |
| 4367 | /* int creat(const char *pathname, mode_t mode); */ |
| 4368 | MAYBE_PRINTF("creat ( %p(%s), %d ) --> ",arg1,arg1,arg2); |
| 4369 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "creat(pathname)", arg1 ); |
| 4370 | } |
| 4371 | |
| 4372 | POST(creat) |
| 4373 | { |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 4374 | if (!fd_allowed(res, "creat", tid, True)) { |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4375 | VG_(close)(res); |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 4376 | set_result( -VKI_EMFILE ); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 4377 | } else { |
nethercote | 493dd18 | 2004-02-24 23:57:47 +0000 | [diff] [blame] | 4378 | if (VG_(clo_track_fds)) |
fitzhardinge | a772847 | 2003-12-16 01:48:38 +0000 | [diff] [blame] | 4379 | record_fd_open(tid, res, VG_(arena_strdup)(VG_AR_CORE, (Char*)arg1)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4380 | } |
| 4381 | MAYBE_PRINTF("%d\n",res); |
| 4382 | } |
| 4383 | |
| 4384 | PRE(pipe) |
| 4385 | { |
| 4386 | /* int pipe(int filedes[2]); */ |
| 4387 | MAYBE_PRINTF("pipe ( %p ) ...\n", arg1); |
| 4388 | SYSCALL_TRACK( pre_mem_write, tid, "pipe(filedes)", |
| 4389 | arg1, 2*sizeof(int) ); |
| 4390 | } |
| 4391 | |
| 4392 | POST(pipe) |
| 4393 | { |
| 4394 | Int *p = (Int *)arg1; |
| 4395 | |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 4396 | if (!fd_allowed(p[0], "pipe", tid, True) || |
| 4397 | !fd_allowed(p[1], "pipe", tid, True)) { |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4398 | VG_(close)(p[0]); |
| 4399 | VG_(close)(p[1]); |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 4400 | set_result( -VKI_EMFILE ); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 4401 | } else { |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4402 | VG_TRACK( post_mem_write, arg1, 2*sizeof(int) ); |
nethercote | 493dd18 | 2004-02-24 23:57:47 +0000 | [diff] [blame] | 4403 | if (VG_(clo_track_fds)) { |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 4404 | record_fd_open(tid, p[0], NULL); |
| 4405 | record_fd_open(tid, p[1], NULL); |
| 4406 | } |
| 4407 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4408 | |
| 4409 | MAYBE_PRINTF("SYSCALL[%d] pipe --> %d (rd %d, wr %d)\n", |
| 4410 | VG_(getpid)(), res, |
| 4411 | ((UInt*)arg1)[0], ((UInt*)arg1)[1] ); |
| 4412 | } |
| 4413 | |
| 4414 | PRE(poll) |
| 4415 | { |
| 4416 | /* struct pollfd { |
| 4417 | int fd; -- file descriptor |
| 4418 | short events; -- requested events |
| 4419 | short revents; -- returned events |
| 4420 | }; |
| 4421 | int poll(struct pollfd *ufds, unsigned int nfds, |
| 4422 | int timeout) |
| 4423 | */ |
| 4424 | MAYBE_PRINTF("poll ( %p, %d, %d )\n",arg1,arg2,arg3); |
| 4425 | /* In fact some parts of this struct should be readable too. |
| 4426 | This should be fixed properly. */ |
| 4427 | SYSCALL_TRACK( pre_mem_write, tid, "poll(ufds)", |
| 4428 | arg1, arg2 * sizeof(struct pollfd) ); |
| 4429 | } |
| 4430 | |
| 4431 | POST(poll) |
| 4432 | { |
| 4433 | if (res > 0) { |
| 4434 | UInt i; |
| 4435 | struct pollfd * arr = (struct pollfd *)arg1; |
| 4436 | for (i = 0; i < arg2; i++) |
| 4437 | VG_TRACK( post_mem_write, (Addr)(&arr[i].revents), |
| 4438 | sizeof(Short) ); |
| 4439 | } |
| 4440 | } |
| 4441 | |
nethercote | 9af69b3 | 2004-02-10 23:44:15 +0000 | [diff] [blame] | 4442 | PRE(epoll_create) |
| 4443 | { |
| 4444 | /* int epoll_create(int size) */ |
| 4445 | MAYBE_PRINTF("epoll_create ( %d )\n", arg1); |
| 4446 | } |
| 4447 | |
| 4448 | POST(epoll_create) |
| 4449 | { |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 4450 | if (!fd_allowed(res, "open", tid, True)) { |
nethercote | 9af69b3 | 2004-02-10 23:44:15 +0000 | [diff] [blame] | 4451 | VG_(close)(res); |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 4452 | set_result( -VKI_EMFILE ); |
nethercote | 9af69b3 | 2004-02-10 23:44:15 +0000 | [diff] [blame] | 4453 | } else { |
| 4454 | if (VG_(clo_track_fds)) |
| 4455 | record_fd_open (tid, res, NULL); |
| 4456 | } |
| 4457 | } |
| 4458 | |
| 4459 | PRE(epoll_ctl) |
| 4460 | { |
| 4461 | /* int epoll_ctl(int epfd, int op, int fd, struct epoll_event *event) */ |
| 4462 | static const char* epoll_ctl_s[3] = { |
| 4463 | "EPOLL_CTL_ADD", |
| 4464 | "EPOLL_CTL_DEL", |
| 4465 | "EPOLL_CTL_MOD" |
| 4466 | }; |
| 4467 | MAYBE_PRINTF("epoll_ctl ( %d, %s, %d, %p )\n", |
| 4468 | arg1, ( arg2<3 ? epoll_ctl_s[arg2] : "?" ), arg3, arg4); |
| 4469 | SYSCALL_TRACK( pre_mem_read, tid, "epoll_ctl(event)", |
| 4470 | arg4, sizeof(struct vki_epoll_event) ); |
| 4471 | } |
| 4472 | |
| 4473 | PRE(epoll_wait) |
| 4474 | { |
| 4475 | /* int epoll_wait(int epfd, struct epoll_event * events, |
| 4476 | int maxevents, int timeout) */ |
| 4477 | MAYBE_PRINTF("epoll_wait ( %d, %p, %d, %d )\n", arg1, arg2, arg3, arg4); |
| 4478 | SYSCALL_TRACK( pre_mem_write, tid, "epoll_wait(events)", |
| 4479 | arg2, sizeof(struct vki_epoll_event)*arg3); |
| 4480 | } |
| 4481 | |
| 4482 | POST(epoll_wait) |
| 4483 | { |
| 4484 | if (res > 0) |
| 4485 | VG_TRACK( post_mem_write, arg2, sizeof(struct vki_epoll_event)*res ) ; |
| 4486 | } |
| 4487 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4488 | PRE(readlink) |
| 4489 | { |
| 4490 | /* int readlink(const char *path, char *buf, size_t bufsiz); */ |
| 4491 | MAYBE_PRINTF("readlink ( %p, %p, %d )\n", arg1,arg2,arg3); |
| 4492 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "readlink(path)", arg1 ); |
| 4493 | SYSCALL_TRACK( pre_mem_write, tid, "readlink(buf)", arg2,arg3 ); |
| 4494 | } |
| 4495 | |
| 4496 | POST(readlink) |
| 4497 | { |
| 4498 | VG_TRACK( post_mem_write, arg2, res ); |
| 4499 | } |
| 4500 | |
| 4501 | PRE(readv) |
| 4502 | { |
| 4503 | /* int readv(int fd, const struct iovec * vector, size_t count); */ |
| 4504 | Int i; |
| 4505 | struct iovec * vec; |
| 4506 | MAYBE_PRINTF("readv ( %d, %p, %d )\n",arg1,arg2,arg3); |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 4507 | if (!fd_allowed(arg1, "readv", tid, False)) { |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 4508 | set_result( -VKI_EBADF ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4509 | } else { |
| 4510 | SYSCALL_TRACK( pre_mem_read, tid, "readv(vector)", |
| 4511 | arg2, arg3 * sizeof(struct iovec) ); |
| 4512 | /* ToDo: don't do any of the following if the vector is invalid */ |
| 4513 | vec = (struct iovec *)arg2; |
| 4514 | for (i = 0; i < (Int)arg3; i++) |
| 4515 | SYSCALL_TRACK( pre_mem_write, tid, "readv(vector[...])", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 4516 | (Addr)vec[i].iov_base, vec[i].iov_len ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4517 | } |
| 4518 | } |
| 4519 | |
| 4520 | POST(readv) |
| 4521 | { |
| 4522 | if (res > 0) { |
| 4523 | Int i; |
| 4524 | struct iovec * vec = (struct iovec *)arg2; |
| 4525 | Int remains = res; |
| 4526 | |
| 4527 | /* res holds the number of bytes read. */ |
| 4528 | for (i = 0; i < (Int)arg3; i++) { |
| 4529 | Int nReadThisBuf = vec[i].iov_len; |
| 4530 | if (nReadThisBuf > remains) nReadThisBuf = remains; |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 4531 | VG_TRACK( post_mem_write, (Addr)vec[i].iov_base, nReadThisBuf ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4532 | remains -= nReadThisBuf; |
| 4533 | if (remains < 0) VG_(core_panic)("readv: remains < 0"); |
| 4534 | } |
| 4535 | } |
| 4536 | } |
| 4537 | |
| 4538 | PRE(rename) |
| 4539 | { |
| 4540 | /* int rename(const char *oldpath, const char *newpath); */ |
| 4541 | MAYBE_PRINTF("rename ( %p, %p )\n", arg1, arg2 ); |
| 4542 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "rename(oldpath)", arg1 ); |
| 4543 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "rename(newpath)", arg2 ); |
| 4544 | } |
| 4545 | |
| 4546 | PRE(rmdir) |
| 4547 | { |
| 4548 | /* int rmdir(const char *pathname); */ |
| 4549 | MAYBE_PRINTF("rmdir ( %p )\n", arg1); |
| 4550 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "rmdir(pathname)", arg1 ); |
| 4551 | } |
| 4552 | |
| 4553 | PRE(sched_setparam) |
| 4554 | { |
| 4555 | /* int sched_setparam(pid_t pid, const struct sched_param *p); */ |
| 4556 | MAYBE_PRINTF("sched_setparam ( %d, %p )\n", arg1, arg2 ); |
| 4557 | SYSCALL_TRACK( pre_mem_read, tid, "sched_setparam(ptr)", |
| 4558 | arg2, sizeof(struct sched_param) ); |
| 4559 | } |
| 4560 | |
| 4561 | POST(sched_setparam) |
| 4562 | { |
| 4563 | VG_TRACK( post_mem_write, arg2, sizeof(struct sched_param) ); |
| 4564 | } |
| 4565 | |
| 4566 | PRE(sched_getparam) |
| 4567 | { |
| 4568 | /* int sched_getparam(pid_t pid, struct sched_param *p); */ |
| 4569 | MAYBE_PRINTF("sched_getparam ( %d, %p )\n", arg1, arg2 ); |
| 4570 | SYSCALL_TRACK( pre_mem_write, tid, "sched_getparam(ptr)", |
| 4571 | arg2, sizeof(struct sched_param) ); |
| 4572 | } |
| 4573 | |
| 4574 | POST(sched_getparam) |
| 4575 | { |
| 4576 | VG_TRACK( post_mem_write, arg2, sizeof(struct sched_param) ); |
| 4577 | } |
| 4578 | |
| 4579 | PRE(sched_yield) |
| 4580 | { |
| 4581 | /* int sched_yield(void); */ |
| 4582 | MAYBE_PRINTF("sched_yield ()\n" ); |
| 4583 | } |
| 4584 | |
| 4585 | PRE(select) |
| 4586 | { |
| 4587 | /* struct sel_arg_struct { |
| 4588 | unsigned long n; |
| 4589 | fd_set *inp, *outp, *exp; |
| 4590 | struct timeval *tvp; |
| 4591 | }; |
| 4592 | int old_select(struct sel_arg_struct *arg); |
| 4593 | */ |
| 4594 | SYSCALL_TRACK( pre_mem_read, tid, "select(args)", arg1, 5*sizeof(UInt) ); |
| 4595 | |
| 4596 | { |
| 4597 | UInt* arg_struct = (UInt*)arg1; |
| 4598 | UInt a1, a2, a3, a4, a5; |
| 4599 | |
| 4600 | a1 = arg_struct[0]; |
| 4601 | a2 = arg_struct[1]; |
| 4602 | a3 = arg_struct[2]; |
| 4603 | a4 = arg_struct[3]; |
| 4604 | a5 = arg_struct[4]; |
| 4605 | |
| 4606 | MAYBE_PRINTF("select ( %d, %p, %p, %p, %p )\n", |
| 4607 | a1,a2,a3,a4,a5); |
| 4608 | if (a2 != (Addr)NULL) |
| 4609 | SYSCALL_TRACK( pre_mem_read, tid, "select(readfds)", a2, |
| 4610 | a1/8 /* __FD_SETSIZE/8 */ ); |
| 4611 | if (a3 != (Addr)NULL) |
| 4612 | SYSCALL_TRACK( pre_mem_read, tid, "select(writefds)", a3, |
nethercote | a4c33c6 | 2004-02-15 15:10:25 +0000 | [diff] [blame] | 4613 | a1/8 /* __FD_SETSIZE/8 */ ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4614 | if (a4 != (Addr)NULL) |
| 4615 | SYSCALL_TRACK( pre_mem_read, tid, "select(exceptfds)", a4, |
| 4616 | a1/8 /* __FD_SETSIZE/8 */ ); |
| 4617 | if (a5 != (Addr)NULL) |
| 4618 | SYSCALL_TRACK( pre_mem_read, tid, "select(timeout)", a5, |
| 4619 | sizeof(struct timeval) ); |
| 4620 | } |
| 4621 | } |
| 4622 | |
| 4623 | PRE(setitimer) |
| 4624 | { |
| 4625 | /* setitimer(int which, const struct itimerval *value, |
| 4626 | struct itimerval *ovalue); */ |
| 4627 | MAYBE_PRINTF("setitimer ( %d, %p, %p )\n", arg1,arg2,arg3); |
| 4628 | if (arg2 != (Addr)NULL) |
| 4629 | SYSCALL_TRACK( pre_mem_read,tid, "setitimer(value)", |
| 4630 | arg2, sizeof(struct itimerval) ); |
| 4631 | if (arg3 != (Addr)NULL) |
| 4632 | SYSCALL_TRACK( pre_mem_write,tid, "setitimer(ovalue)", |
| 4633 | arg3, sizeof(struct itimerval)); |
| 4634 | } |
| 4635 | |
| 4636 | POST(setitimer) |
| 4637 | { |
| 4638 | if (arg3 != (Addr)NULL) { |
| 4639 | VG_TRACK( post_mem_write,arg3, sizeof(struct itimerval)); |
| 4640 | } |
| 4641 | } |
| 4642 | |
| 4643 | PRE(setfsgid32) |
| 4644 | { |
| 4645 | /* int setfsgid(uid_t fsgid); */ |
| 4646 | MAYBE_PRINTF("setfsgid ( %d )\n", arg1); |
| 4647 | } |
| 4648 | |
| 4649 | PRE(setgid) |
| 4650 | { |
| 4651 | /* int setgid(gid_t gid); */ |
| 4652 | MAYBE_PRINTF("setgid ( %d )\n", arg1); |
| 4653 | } |
| 4654 | |
| 4655 | PREALIAS(setgid32, setgid); |
| 4656 | |
| 4657 | PRE(setsid) |
| 4658 | { |
| 4659 | /* pid_t setsid(void); */ |
| 4660 | MAYBE_PRINTF("setsid ()\n"); |
| 4661 | } |
| 4662 | |
| 4663 | PRE(setgroups) |
| 4664 | { |
| 4665 | /* int setgroups(size_t size, const gid_t *list); */ |
| 4666 | MAYBE_PRINTF("setgroups ( %d, %p )\n", arg1, arg2); |
| 4667 | if (arg1 > 0) |
| 4668 | SYSCALL_TRACK( pre_mem_read, tid, "setgroups(list)", arg2, |
| 4669 | arg1 * sizeof(gid_t) ); |
| 4670 | } |
| 4671 | |
| 4672 | PREALIAS(setgroups32, setgroups); |
| 4673 | |
| 4674 | PRE(setpgid) |
| 4675 | { |
| 4676 | /* int setpgid(pid_t pid, pid_t pgid); */ |
| 4677 | MAYBE_PRINTF("setpgid ( %d, %d )\n", arg1, arg2); |
| 4678 | } |
| 4679 | |
| 4680 | POST(setpgid) |
| 4681 | { |
| 4682 | VG_(main_pgrp) = VG_(getpgrp)(); |
| 4683 | } |
| 4684 | |
| 4685 | PRE(setregid32) |
| 4686 | { |
| 4687 | /* int setregid(gid_t rgid, gid_t egid); */ |
| 4688 | MAYBE_PRINTF("setregid32(?) ( %d, %d )\n", arg1, arg2); |
| 4689 | } |
| 4690 | |
| 4691 | PRE(setresuid32) |
| 4692 | { |
| 4693 | /* int setresuid(uid_t ruid, uid_t euid, uid_t suid); */ |
| 4694 | MAYBE_PRINTF("setresuid32(?) ( %d, %d, %d )\n", arg1, arg2, arg3); |
| 4695 | } |
| 4696 | |
| 4697 | PRE(setreuid) |
| 4698 | { |
| 4699 | /* int setreuid(uid_t ruid, uid_t euid); */ |
| 4700 | MAYBE_PRINTF("setreuid ( 0x%x, 0x%x )\n", arg1, arg2); |
| 4701 | } |
| 4702 | |
| 4703 | PREALIAS(setreuid32, setreuid); |
| 4704 | |
| 4705 | PRE(setrlimit) |
| 4706 | { |
| 4707 | /* int setrlimit (int resource, const struct rlimit *rlim); */ |
| 4708 | MAYBE_PRINTF("setrlimit ( %d, %p )\n", arg1,arg2); |
| 4709 | SYSCALL_TRACK( pre_mem_read, tid, "setrlimit(rlim)", |
fitzhardinge | b50068f | 2004-02-24 23:42:55 +0000 | [diff] [blame] | 4710 | arg2, sizeof(struct vki_rlimit) ); |
| 4711 | |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 4712 | if (arg1 == VKI_RLIMIT_NOFILE) { |
| 4713 | if (((vki_rlimit *)arg2)->rlim_cur > VG_(fd_hard_limit) || |
| 4714 | ((vki_rlimit *)arg2)->rlim_max != VG_(fd_hard_limit)) { |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 4715 | set_result( -VKI_EPERM ); |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 4716 | } |
| 4717 | else { |
| 4718 | VG_(fd_soft_limit) = ((vki_rlimit *)arg2)->rlim_cur; |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 4719 | set_result( 0 ); |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 4720 | } |
| 4721 | } |
| 4722 | else if (arg1 == VKI_RLIMIT_DATA) { |
thughes | aa4fb11 | 2004-09-11 14:19:25 +0000 | [diff] [blame] | 4723 | if (((vki_rlimit *)arg2)->rlim_cur > ((vki_rlimit *)arg2)->rlim_max || |
| 4724 | ((vki_rlimit *)arg2)->rlim_max > ((vki_rlimit *)arg2)->rlim_max) { |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 4725 | set_result( -VKI_EPERM ); |
thughes | aa4fb11 | 2004-09-11 14:19:25 +0000 | [diff] [blame] | 4726 | } |
| 4727 | else { |
| 4728 | VG_(client_rlimit_data) = *(vki_rlimit *)arg2; |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 4729 | set_result( 0 ); |
thughes | aa4fb11 | 2004-09-11 14:19:25 +0000 | [diff] [blame] | 4730 | } |
fitzhardinge | b50068f | 2004-02-24 23:42:55 +0000 | [diff] [blame] | 4731 | } |
thughes | c37184f | 2004-09-11 14:16:57 +0000 | [diff] [blame] | 4732 | else if (arg1 == VKI_RLIMIT_STACK && tid == 1) { |
| 4733 | if (((vki_rlimit *)arg2)->rlim_cur > ((vki_rlimit *)arg2)->rlim_max || |
| 4734 | ((vki_rlimit *)arg2)->rlim_max > ((vki_rlimit *)arg2)->rlim_max) { |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 4735 | set_result( -VKI_EPERM ); |
thughes | c37184f | 2004-09-11 14:16:57 +0000 | [diff] [blame] | 4736 | } |
| 4737 | else { |
| 4738 | VG_(threads)[tid].stack_size = ((vki_rlimit *)arg2)->rlim_cur; |
| 4739 | VG_(client_rlimit_stack) = *(vki_rlimit *)arg2; |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 4740 | set_result( 0 ); |
thughes | c37184f | 2004-09-11 14:16:57 +0000 | [diff] [blame] | 4741 | } |
| 4742 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4743 | } |
| 4744 | |
| 4745 | PRE(setuid) |
| 4746 | { |
| 4747 | /* int setuid(uid_t uid); */ |
| 4748 | MAYBE_PRINTF("setuid ( %d )\n", arg1); |
| 4749 | } |
| 4750 | |
| 4751 | PREALIAS(setuid32, setuid); |
| 4752 | |
| 4753 | PRE(socketcall) |
| 4754 | { |
| 4755 | /* int socketcall(int call, unsigned long *args); */ |
| 4756 | MAYBE_PRINTF("socketcall ( %d, %p )\n",arg1,arg2); |
| 4757 | switch (arg1 /* request */) { |
| 4758 | |
| 4759 | case SYS_SOCKETPAIR: |
| 4760 | /* int socketpair(int d, int type, int protocol, int sv[2]); */ |
| 4761 | SYSCALL_TRACK( pre_mem_read, tid, "socketcall.socketpair(args)", |
| 4762 | arg2, 4*sizeof(Addr) ); |
| 4763 | SYSCALL_TRACK( pre_mem_write, tid, "socketcall.socketpair(sv)", |
| 4764 | ((UInt*)arg2)[3], 2*sizeof(int) ); |
| 4765 | break; |
| 4766 | |
| 4767 | case SYS_SOCKET: |
| 4768 | /* int socket(int domain, int type, int protocol); */ |
| 4769 | SYSCALL_TRACK( pre_mem_read, tid, "socketcall.socket(args)", |
| 4770 | arg2, 3*sizeof(Addr) ); |
| 4771 | break; |
| 4772 | |
| 4773 | case SYS_BIND: |
| 4774 | /* int bind(int sockfd, struct sockaddr *my_addr, |
| 4775 | int addrlen); */ |
| 4776 | SYSCALL_TRACK( pre_mem_read, tid, "socketcall.bind(args)", |
| 4777 | arg2, 3*sizeof(Addr) ); |
| 4778 | pre_mem_read_sockaddr( tid, "socketcall.bind(my_addr.%s)", |
| 4779 | (struct sockaddr *) (((UInt*)arg2)[1]), ((UInt*)arg2)[2]); |
| 4780 | break; |
| 4781 | |
| 4782 | case SYS_LISTEN: |
| 4783 | /* int listen(int s, int backlog); */ |
| 4784 | SYSCALL_TRACK( pre_mem_read, tid, "socketcall.listen(args)", |
| 4785 | arg2, 2*sizeof(Addr) ); |
| 4786 | break; |
| 4787 | |
| 4788 | case SYS_ACCEPT: { |
| 4789 | /* int accept(int s, struct sockaddr *addr, int *addrlen); */ |
| 4790 | SYSCALL_TRACK( pre_mem_read, tid, "socketcall.accept(args)", |
| 4791 | arg2, 3*sizeof(Addr) ); |
| 4792 | { |
| 4793 | Addr addr_p = ((UInt*)arg2)[1]; |
| 4794 | Addr addrlen_p = ((UInt*)arg2)[2]; |
| 4795 | if (addr_p != (Addr)NULL) |
| 4796 | buf_and_len_pre_check ( tid, addr_p, addrlen_p, |
| 4797 | "socketcall.accept(addr)", |
| 4798 | "socketcall.accept(addrlen_in)" ); |
| 4799 | } |
| 4800 | break; |
| 4801 | } |
| 4802 | |
| 4803 | case SYS_SENDTO: |
| 4804 | /* int sendto(int s, const void *msg, int len, |
| 4805 | unsigned int flags, |
| 4806 | const struct sockaddr *to, int tolen); */ |
| 4807 | SYSCALL_TRACK( pre_mem_read, tid, "socketcall.sendto(args)", arg2, |
| 4808 | 6*sizeof(Addr) ); |
| 4809 | SYSCALL_TRACK( pre_mem_read, tid, "socketcall.sendto(msg)", |
| 4810 | ((UInt*)arg2)[1], /* msg */ |
| 4811 | ((UInt*)arg2)[2] /* len */ ); |
| 4812 | pre_mem_read_sockaddr( tid, "socketcall.sendto(to.%s)", |
| 4813 | (struct sockaddr *) (((UInt*)arg2)[4]), ((UInt*)arg2)[5]); |
| 4814 | break; |
| 4815 | |
| 4816 | case SYS_SEND: |
| 4817 | /* int send(int s, const void *msg, size_t len, int flags); */ |
| 4818 | SYSCALL_TRACK( pre_mem_read, tid, "socketcall.send(args)", arg2, |
| 4819 | 4*sizeof(Addr) ); |
| 4820 | SYSCALL_TRACK( pre_mem_read, tid, "socketcall.send(msg)", |
| 4821 | ((UInt*)arg2)[1], /* msg */ |
| 4822 | ((UInt*)arg2)[2] /* len */ ); |
| 4823 | break; |
| 4824 | |
| 4825 | case SYS_RECVFROM: |
| 4826 | /* int recvfrom(int s, void *buf, int len, unsigned int flags, |
| 4827 | struct sockaddr *from, int *fromlen); */ |
| 4828 | SYSCALL_TRACK( pre_mem_read, tid, "socketcall.recvfrom(args)", |
| 4829 | arg2, 6*sizeof(Addr) ); |
| 4830 | { |
| 4831 | Addr buf_p = ((UInt*)arg2)[1]; |
| 4832 | Int len = ((UInt*)arg2)[2]; |
| 4833 | Addr from_p = ((UInt*)arg2)[4]; |
| 4834 | Addr fromlen_p = ((UInt*)arg2)[5]; |
| 4835 | |
| 4836 | SYSCALL_TRACK( pre_mem_write, tid, "socketcall.recvfrom(buf)", |
| 4837 | buf_p, len ); |
| 4838 | if (from_p != (Addr)NULL) |
| 4839 | buf_and_len_pre_check ( tid, from_p, fromlen_p, |
| 4840 | "socketcall.recvfrom(from)", |
| 4841 | "socketcall.recvfrom(fromlen_in)" ); |
| 4842 | } |
| 4843 | break; |
| 4844 | |
| 4845 | case SYS_RECV: |
| 4846 | /* int recv(int s, void *buf, int len, unsigned int flags); */ |
| 4847 | /* man 2 recv says: |
| 4848 | The recv call is normally used only on a connected socket |
| 4849 | (see connect(2)) and is identical to recvfrom with a NULL |
| 4850 | from parameter. |
| 4851 | */ |
| 4852 | SYSCALL_TRACK( pre_mem_read, tid, "socketcall.recv(args)", |
| 4853 | arg2, 4*sizeof(Addr) ); |
| 4854 | SYSCALL_TRACK( pre_mem_write, tid, "socketcall.recv(buf)", |
| 4855 | ((UInt*)arg2)[1], /* buf */ |
| 4856 | ((UInt*)arg2)[2] /* len */ ); |
| 4857 | break; |
| 4858 | |
| 4859 | case SYS_CONNECT: |
| 4860 | /* int connect(int sockfd, |
| 4861 | struct sockaddr *serv_addr, int addrlen ); */ |
| 4862 | SYSCALL_TRACK( pre_mem_read, tid, "socketcall.connect(args)", |
| 4863 | arg2, 3*sizeof(Addr) ); |
| 4864 | SYSCALL_TRACK( pre_mem_read, tid, |
| 4865 | "socketcall.connect(serv_addr.sa_family)", |
| 4866 | ((UInt*)arg2)[1], /* serv_addr */ |
| 4867 | sizeof (sa_family_t)); |
| 4868 | pre_mem_read_sockaddr( tid, |
| 4869 | "socketcall.connect(serv_addr.%s)", |
| 4870 | (struct sockaddr *) (((UInt*)arg2)[1]), ((UInt*)arg2)[2]); |
| 4871 | break; |
| 4872 | |
| 4873 | case SYS_SETSOCKOPT: |
| 4874 | /* int setsockopt(int s, int level, int optname, |
| 4875 | const void *optval, int optlen); */ |
| 4876 | SYSCALL_TRACK( pre_mem_read, tid, "socketcall.setsockopt(args)", |
| 4877 | arg2, 5*sizeof(Addr) ); |
| 4878 | SYSCALL_TRACK( pre_mem_read, tid, "socketcall.setsockopt(optval)", |
| 4879 | ((UInt*)arg2)[3], /* optval */ |
| 4880 | ((UInt*)arg2)[4] /* optlen */ ); |
| 4881 | break; |
| 4882 | |
| 4883 | case SYS_GETSOCKOPT: |
| 4884 | /* int setsockopt(int s, int level, int optname, |
| 4885 | void *optval, socklen_t *optlen); */ |
| 4886 | SYSCALL_TRACK( pre_mem_read, tid, "socketcall.getsockopt(args)", |
| 4887 | arg2, 5*sizeof(Addr) ); |
| 4888 | { |
| 4889 | Addr optval_p = ((UInt*)arg2)[3]; |
| 4890 | Addr optlen_p = ((UInt*)arg2)[4]; |
| 4891 | /* vg_assert(sizeof(socklen_t) == sizeof(UInt)); */ |
| 4892 | if (optval_p != (Addr)NULL) |
| 4893 | buf_and_len_pre_check ( tid, optval_p, optlen_p, |
| 4894 | "socketcall.getsockopt(optval)", |
| 4895 | "socketcall.getsockopt(optlen)" ); |
| 4896 | } |
| 4897 | break; |
| 4898 | |
| 4899 | case SYS_GETSOCKNAME: |
| 4900 | /* int getsockname(int s, struct sockaddr* name, int* namelen) */ |
| 4901 | SYSCALL_TRACK( pre_mem_read, tid, "socketcall.getsockname(args)", |
| 4902 | arg2, 3*sizeof(Addr) ); |
| 4903 | { |
| 4904 | Addr name_p = ((UInt*)arg2)[1]; |
| 4905 | Addr namelen_p = ((UInt*)arg2)[2]; |
| 4906 | |
| 4907 | /* Nb: name_p cannot be NULL */ |
| 4908 | buf_and_len_pre_check ( tid, name_p, namelen_p, |
| 4909 | "socketcall.getsockname(name)", |
| 4910 | "socketcall.getsockname(namelen_in)" ); |
| 4911 | } |
| 4912 | break; |
| 4913 | |
| 4914 | case SYS_GETPEERNAME: |
| 4915 | /* int getpeername(int s, struct sockaddr* name, int* namelen) */ |
| 4916 | SYSCALL_TRACK( pre_mem_read, tid, "socketcall.getpeername(args)", |
| 4917 | arg2, 3*sizeof(Addr) ); |
| 4918 | { |
| 4919 | Addr name_p = ((UInt*)arg2)[1]; |
| 4920 | Addr namelen_p = ((UInt*)arg2)[2]; |
| 4921 | |
| 4922 | /* Nb: name_p cannot be NULL */ |
| 4923 | buf_and_len_pre_check ( tid, name_p, namelen_p, |
| 4924 | "socketcall.getpeername(name)", |
| 4925 | "socketcall.getpeername(namelen_in)" ); |
| 4926 | } |
| 4927 | break; |
| 4928 | |
| 4929 | case SYS_SHUTDOWN: |
| 4930 | /* int shutdown(int s, int how); */ |
| 4931 | SYSCALL_TRACK( pre_mem_read, tid, "socketcall.shutdown(args)", |
| 4932 | arg2, 2*sizeof(Addr) ); |
| 4933 | break; |
| 4934 | |
| 4935 | case SYS_SENDMSG: { |
| 4936 | /* int sendmsg(int s, const struct msghdr *msg, int flags); */ |
| 4937 | |
| 4938 | /* this causes warnings, and I don't get why. glibc bug? |
| 4939 | * (after all it's glibc providing the arguments array) |
| 4940 | SYSCALL_TRACK( pre_mem_read, "socketcall.sendmsg(args)", |
| 4941 | arg2, 3*sizeof(Addr) ); |
| 4942 | */ |
| 4943 | |
| 4944 | struct msghdr *msg = (struct msghdr *)((UInt *)arg2)[ 1 ]; |
| 4945 | msghdr_foreachfield ( tid, msg, pre_mem_read_sendmsg ); |
| 4946 | |
| 4947 | break; |
| 4948 | } |
| 4949 | |
| 4950 | case SYS_RECVMSG: { |
| 4951 | /* int recvmsg(int s, struct msghdr *msg, int flags); */ |
| 4952 | |
| 4953 | /* this causes warnings, and I don't get why. glibc bug? |
| 4954 | * (after all it's glibc providing the arguments array) |
| 4955 | SYSCALL_TRACK( pre_mem_read, "socketcall.recvmsg(args)", |
| 4956 | arg2, 3*sizeof(Addr) ); |
| 4957 | */ |
| 4958 | |
| 4959 | struct msghdr *msg = (struct msghdr *)((UInt *)arg2)[ 1 ]; |
| 4960 | msghdr_foreachfield ( tid, msg, pre_mem_write_recvmsg ); |
| 4961 | |
| 4962 | break; |
| 4963 | } |
| 4964 | |
| 4965 | default: |
jsgf | 17059e0 | 2003-10-19 16:46:06 +0000 | [diff] [blame] | 4966 | VG_(message)(Vg_DebugMsg,"Warning: unhandled socketcall 0x%x",arg1); |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 4967 | set_result( -VKI_EINVAL ); |
jsgf | 17059e0 | 2003-10-19 16:46:06 +0000 | [diff] [blame] | 4968 | break; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4969 | } |
| 4970 | } |
| 4971 | |
| 4972 | POST(socketcall) |
| 4973 | { |
| 4974 | /* int socketcall(int call, unsigned long *args); */ |
| 4975 | MAYBE_PRINTF("socketcall ( %d, %p )\n",arg1,arg2); |
| 4976 | |
| 4977 | switch (arg1 /* request */) { |
| 4978 | |
nethercote | 493dd18 | 2004-02-24 23:57:47 +0000 | [diff] [blame] | 4979 | case SYS_SOCKETPAIR: { |
| 4980 | Int fd1 = ((UInt*)((UInt*)arg2)[3])[0]; |
| 4981 | Int fd2 = ((UInt*)((UInt*)arg2)[3])[1]; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4982 | VG_TRACK( post_mem_write, ((UInt*)arg2)[3], 2*sizeof(int) ); |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 4983 | if (!fd_allowed(fd1, "socketcall.socketpair", tid, True) || |
| 4984 | !fd_allowed(fd2, "socketcall.socketpair", tid, True)) { |
nethercote | 493dd18 | 2004-02-24 23:57:47 +0000 | [diff] [blame] | 4985 | VG_(close)(fd1); |
| 4986 | VG_(close)(fd2); |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 4987 | set_result( -VKI_EMFILE ); |
nethercote | 493dd18 | 2004-02-24 23:57:47 +0000 | [diff] [blame] | 4988 | } else { |
| 4989 | VG_TRACK( post_mem_write, ((UInt*)arg2)[3], 2*sizeof(int) ); |
| 4990 | if (VG_(clo_track_fds)) { |
| 4991 | record_fd_open(tid, fd1, NULL); |
| 4992 | record_fd_open(tid, fd2, NULL); |
| 4993 | } |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 4994 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4995 | break; |
nethercote | 493dd18 | 2004-02-24 23:57:47 +0000 | [diff] [blame] | 4996 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 4997 | |
| 4998 | case SYS_SOCKET: |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 4999 | if (!fd_allowed(res, "socket", tid, True)) { |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5000 | VG_(close)(res); |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 5001 | set_result( -VKI_EMFILE ); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 5002 | } else { |
nethercote | 493dd18 | 2004-02-24 23:57:47 +0000 | [diff] [blame] | 5003 | if (VG_(clo_track_fds)) |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 5004 | record_fd_open(tid, res, NULL); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5005 | } |
| 5006 | break; |
| 5007 | |
| 5008 | case SYS_BIND: |
| 5009 | /* int bind(int sockfd, struct sockaddr *my_addr, |
| 5010 | int addrlen); */ |
| 5011 | break; |
| 5012 | |
| 5013 | case SYS_LISTEN: |
| 5014 | /* int listen(int s, int backlog); */ |
| 5015 | break; |
| 5016 | |
| 5017 | case SYS_ACCEPT: { |
| 5018 | /* int accept(int s, struct sockaddr *addr, int *addrlen); */ |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 5019 | if (!fd_allowed(res, "accept", tid, True)) { |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5020 | VG_(close)(res); |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 5021 | set_result( -VKI_EMFILE ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5022 | } else { |
| 5023 | Addr addr_p = ((UInt*)arg2)[1]; |
| 5024 | Addr addrlen_p = ((UInt*)arg2)[2]; |
| 5025 | |
| 5026 | if (addr_p != (Addr)NULL) |
| 5027 | buf_and_len_post_check ( tid, res, addr_p, addrlen_p, |
| 5028 | "socketcall.accept(addrlen_out)" ); |
nethercote | 493dd18 | 2004-02-24 23:57:47 +0000 | [diff] [blame] | 5029 | if (VG_(clo_track_fds)) |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 5030 | record_fd_open(tid, res, NULL); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5031 | } |
| 5032 | break; |
| 5033 | } |
| 5034 | |
| 5035 | case SYS_SENDTO: |
| 5036 | break; |
| 5037 | |
| 5038 | case SYS_SEND: |
| 5039 | break; |
| 5040 | |
| 5041 | case SYS_RECVFROM: |
| 5042 | { |
| 5043 | Addr buf_p = ((UInt*)arg2)[1]; |
| 5044 | Int len = ((UInt*)arg2)[2]; |
| 5045 | Addr from_p = ((UInt*)arg2)[4]; |
| 5046 | Addr fromlen_p = ((UInt*)arg2)[5]; |
| 5047 | |
| 5048 | if (from_p != (Addr)NULL) |
| 5049 | buf_and_len_post_check ( tid, res, from_p, fromlen_p, |
| 5050 | "socketcall.recvfrom(fromlen_out)" ); |
| 5051 | VG_TRACK( post_mem_write, buf_p, len ); |
| 5052 | } |
| 5053 | break; |
| 5054 | |
| 5055 | case SYS_RECV: |
| 5056 | if (res >= 0 |
| 5057 | && ((UInt*)arg2)[1] != (UInt)NULL) { |
| 5058 | VG_TRACK( post_mem_write, ((UInt*)arg2)[1], /* buf */ |
| 5059 | ((UInt*)arg2)[2] /* len */ ); |
| 5060 | } |
| 5061 | break; |
| 5062 | |
| 5063 | case SYS_CONNECT: |
| 5064 | break; |
| 5065 | |
| 5066 | case SYS_SETSOCKOPT: |
| 5067 | break; |
| 5068 | |
| 5069 | case SYS_GETSOCKOPT: |
| 5070 | { |
| 5071 | Addr optval_p = ((UInt*)arg2)[3]; |
| 5072 | Addr optlen_p = ((UInt*)arg2)[4]; |
| 5073 | |
| 5074 | if (optval_p != (Addr)NULL) |
| 5075 | buf_and_len_post_check ( tid, res, optval_p, optlen_p, |
| 5076 | "socketcall.getsockopt(optlen_out)" ); |
| 5077 | } |
| 5078 | break; |
| 5079 | |
| 5080 | case SYS_GETSOCKNAME: |
| 5081 | { |
| 5082 | Addr name_p = ((UInt*)arg2)[1]; |
| 5083 | Addr namelen_p = ((UInt*)arg2)[2]; |
| 5084 | |
| 5085 | buf_and_len_post_check ( tid, res, name_p, namelen_p, |
| 5086 | "socketcall.getsockname(namelen_out)" ); |
| 5087 | } |
| 5088 | break; |
| 5089 | |
| 5090 | case SYS_GETPEERNAME: |
| 5091 | { |
| 5092 | Addr name_p = ((UInt*)arg2)[1]; |
| 5093 | Addr namelen_p = ((UInt*)arg2)[2]; |
| 5094 | |
| 5095 | buf_and_len_post_check ( tid, res, name_p, namelen_p, |
| 5096 | "socketcall.getpeername(namelen_out)" ); |
| 5097 | } |
| 5098 | break; |
| 5099 | |
| 5100 | case SYS_SHUTDOWN: |
| 5101 | break; |
| 5102 | |
| 5103 | case SYS_SENDMSG: |
| 5104 | break; |
| 5105 | |
| 5106 | case SYS_RECVMSG: |
| 5107 | { |
| 5108 | struct msghdr *msg = (struct msghdr *)((UInt *)arg2)[ 1 ]; |
| 5109 | |
| 5110 | msghdr_foreachfield( tid, msg, post_mem_write_recvmsg ); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 5111 | check_cmsg_for_fds( tid, msg ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5112 | |
| 5113 | break; |
| 5114 | } |
| 5115 | |
| 5116 | default: |
| 5117 | VG_(message)(Vg_DebugMsg,"FATAL: unhandled socketcall 0x%x",arg1); |
| 5118 | VG_(core_panic)("... bye!\n"); |
| 5119 | break; /*NOTREACHED*/ |
| 5120 | } |
| 5121 | } |
| 5122 | |
| 5123 | PRE(stat) |
| 5124 | { |
| 5125 | /* int stat(const char *file_name, struct stat *buf); */ |
| 5126 | MAYBE_PRINTF("stat ( %p, %p )\n",arg1,arg2); |
| 5127 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "stat(file_name)", arg1 ); |
| 5128 | SYSCALL_TRACK( pre_mem_write, tid, "stat(buf)", |
| 5129 | arg2, sizeof(struct stat) ); |
| 5130 | } |
| 5131 | |
| 5132 | POST(stat) |
| 5133 | { |
| 5134 | VG_TRACK( post_mem_write, arg2, sizeof(struct stat) ); |
| 5135 | } |
| 5136 | |
| 5137 | PRE(statfs) |
| 5138 | { |
| 5139 | /* int statfs(const char *path, struct statfs *buf); */ |
| 5140 | MAYBE_PRINTF("statfs ( %p, %p )\n",arg1,arg2); |
| 5141 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "statfs(path)", arg1 ); |
mueller | d3502b6 | 2003-11-19 00:43:57 +0000 | [diff] [blame] | 5142 | SYSCALL_TRACK( pre_mem_write, tid, "statfs(buf)", |
thughes | 66d8009 | 2004-06-19 12:41:05 +0000 | [diff] [blame] | 5143 | arg2, sizeof(struct vki_statfs) ); |
mueller | d3502b6 | 2003-11-19 00:43:57 +0000 | [diff] [blame] | 5144 | } |
| 5145 | |
mueller | 44cbaeb | 2003-11-19 08:56:44 +0000 | [diff] [blame] | 5146 | POST(statfs) |
| 5147 | { |
thughes | 66d8009 | 2004-06-19 12:41:05 +0000 | [diff] [blame] | 5148 | VG_TRACK( post_mem_write, arg2, sizeof(struct vki_statfs) ); |
mueller | 44cbaeb | 2003-11-19 08:56:44 +0000 | [diff] [blame] | 5149 | } |
| 5150 | |
mueller | d3502b6 | 2003-11-19 00:43:57 +0000 | [diff] [blame] | 5151 | PRE(statfs64) |
| 5152 | { |
thughes | a996d3b | 2004-09-24 22:57:17 +0000 | [diff] [blame] | 5153 | /* int statfs64(const char *path, size_t sz, struct statfs64 *buf); */ |
mueller | d3502b6 | 2003-11-19 00:43:57 +0000 | [diff] [blame] | 5154 | MAYBE_PRINTF("statfs64 ( %p, %p )\n",arg1,arg2); |
| 5155 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "statfs64(path)", arg1 ); |
thughes | a996d3b | 2004-09-24 22:57:17 +0000 | [diff] [blame] | 5156 | SYSCALL_TRACK( pre_mem_write, tid, "statfs64(buf)", arg3, arg2 ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5157 | } |
| 5158 | |
mueller | d3502b6 | 2003-11-19 00:43:57 +0000 | [diff] [blame] | 5159 | POST(statfs64) |
| 5160 | { |
thughes | a996d3b | 2004-09-24 22:57:17 +0000 | [diff] [blame] | 5161 | VG_TRACK( post_mem_write, arg3, arg2 ); |
mueller | d3502b6 | 2003-11-19 00:43:57 +0000 | [diff] [blame] | 5162 | } |
| 5163 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5164 | PRE(symlink) |
| 5165 | { |
| 5166 | /* int symlink(const char *oldpath, const char *newpath); */ |
| 5167 | MAYBE_PRINTF("symlink ( %p, %p )\n",arg1,arg2); |
| 5168 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "symlink(oldpath)", arg1 ); |
| 5169 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "symlink(newpath)", arg2 ); |
| 5170 | } |
| 5171 | |
| 5172 | PRE(stat64) |
| 5173 | { |
| 5174 | /* int stat64(const char *file_name, struct stat64 *buf); */ |
| 5175 | MAYBE_PRINTF("stat64 ( %p, %p )\n",arg1,arg2); |
| 5176 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "stat64(file_name)", arg1 ); |
| 5177 | SYSCALL_TRACK( pre_mem_write, tid, "stat64(buf)", |
| 5178 | arg2, sizeof(struct stat64) ); |
| 5179 | } |
| 5180 | |
| 5181 | POST(stat64) |
| 5182 | { |
| 5183 | VG_TRACK( post_mem_write, arg2, sizeof(struct stat64) ); |
| 5184 | } |
| 5185 | |
| 5186 | PRE(fstat64) |
| 5187 | { |
| 5188 | /* int fstat64(int filedes, struct stat64 *buf); */ |
| 5189 | MAYBE_PRINTF("fstat64 ( %d, %p )\n",arg1,arg2); |
| 5190 | SYSCALL_TRACK( pre_mem_write, tid, "fstat64(buf)", |
| 5191 | arg2, sizeof(struct stat64) ); |
| 5192 | } |
| 5193 | |
| 5194 | POST(fstat64) |
| 5195 | { |
| 5196 | VG_TRACK( post_mem_write, arg2, sizeof(struct stat64) ); |
| 5197 | } |
| 5198 | |
| 5199 | PRE(sysinfo) |
| 5200 | { |
| 5201 | /* int sysinfo(struct sysinfo *info); */ |
| 5202 | MAYBE_PRINTF("sysinfo ( %p )\n",arg1); |
| 5203 | SYSCALL_TRACK( pre_mem_write, tid, "sysinfo(info)", |
| 5204 | arg1, sizeof(struct sysinfo) ); |
| 5205 | } |
| 5206 | |
| 5207 | POST(sysinfo) |
| 5208 | { |
| 5209 | VG_TRACK( post_mem_write, arg1, sizeof(struct sysinfo) ); |
| 5210 | } |
| 5211 | |
| 5212 | PRE(time) |
| 5213 | { |
| 5214 | /* time_t time(time_t *t); */ |
| 5215 | MAYBE_PRINTF("time ( %p )\n",arg1); |
| 5216 | if (arg1 != (UInt)NULL) { |
| 5217 | SYSCALL_TRACK( pre_mem_write, tid, "time", arg1, sizeof(time_t) ); |
| 5218 | } |
| 5219 | } |
| 5220 | |
| 5221 | POST(time) |
| 5222 | { |
| 5223 | if (arg1 != (UInt)NULL) { |
| 5224 | VG_TRACK( post_mem_write, arg1, sizeof(time_t) ); |
| 5225 | } |
| 5226 | } |
| 5227 | |
| 5228 | PRE(times) |
| 5229 | { |
| 5230 | /* clock_t times(struct tms *buf); */ |
| 5231 | MAYBE_PRINTF("times ( %p )\n",arg1); |
| 5232 | SYSCALL_TRACK( pre_mem_write, tid, "times(buf)", |
| 5233 | arg1, sizeof(struct tms) ); |
| 5234 | } |
| 5235 | |
| 5236 | POST(times) |
| 5237 | { |
| 5238 | if (arg1 != (UInt)NULL) { |
| 5239 | VG_TRACK( post_mem_write, arg1, sizeof(struct tms) ); |
| 5240 | } |
| 5241 | } |
| 5242 | |
| 5243 | PRE(truncate) |
| 5244 | { |
nethercote | e70bd7d | 2004-08-18 14:37:17 +0000 | [diff] [blame] | 5245 | /* int truncate(const char *path, off_t length); */ |
| 5246 | MAYBE_PRINTF("truncate ( %p(%s), %d )\n", arg1,arg1,arg2); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5247 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "truncate(path)", arg1 ); |
| 5248 | } |
| 5249 | |
| 5250 | PRE(umask) |
| 5251 | { |
| 5252 | /* mode_t umask(mode_t mask); */ |
| 5253 | MAYBE_PRINTF("umask ( %d )\n", arg1); |
| 5254 | } |
| 5255 | |
| 5256 | PRE(unlink) |
| 5257 | { |
| 5258 | /* int unlink(const char *pathname) */ |
nethercote | e70bd7d | 2004-08-18 14:37:17 +0000 | [diff] [blame] | 5259 | MAYBE_PRINTF("unlink ( %p(%s) )\n",arg1, arg1); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5260 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "unlink(pathname)", arg1 ); |
| 5261 | } |
| 5262 | |
| 5263 | PRE(uname) |
| 5264 | { |
| 5265 | /* int uname(struct utsname *buf); */ |
| 5266 | MAYBE_PRINTF("uname ( %p )\n",arg1); |
| 5267 | SYSCALL_TRACK( pre_mem_write, tid, "uname(buf)", |
| 5268 | arg1, sizeof(struct utsname) ); |
| 5269 | } |
| 5270 | |
| 5271 | POST(uname) |
| 5272 | { |
| 5273 | if (arg1 != (UInt)NULL) { |
| 5274 | VG_TRACK( post_mem_write, arg1, sizeof(struct utsname) ); |
| 5275 | } |
| 5276 | } |
| 5277 | |
| 5278 | PRE(utime) |
| 5279 | { |
| 5280 | /* int utime(const char *filename, struct utimbuf *buf); */ |
| 5281 | MAYBE_PRINTF("utime ( %p, %p )\n", arg1,arg2); |
| 5282 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "utime(filename)", arg1 ); |
| 5283 | if (arg2 != (UInt)NULL) |
| 5284 | SYSCALL_TRACK( pre_mem_read, tid, "utime(buf)", arg2, |
| 5285 | sizeof(struct utimbuf) ); |
| 5286 | } |
| 5287 | |
| 5288 | PRE(waitpid) |
| 5289 | { |
| 5290 | /* pid_t waitpid(pid_t pid, int *status, int options); */ |
| 5291 | |
| 5292 | MAYBE_PRINTF("waitpid ( %d, %p, %d )\n", |
| 5293 | arg1,arg2,arg3); |
| 5294 | if (arg2 != (Addr)NULL) |
| 5295 | SYSCALL_TRACK( pre_mem_write, tid, "waitpid(status)", |
| 5296 | arg2, sizeof(int) ); |
| 5297 | } |
| 5298 | |
| 5299 | POST(waitpid) |
| 5300 | { |
| 5301 | if (arg2 != (Addr)NULL) |
| 5302 | VG_TRACK( post_mem_write, arg2, sizeof(int) ); |
| 5303 | } |
| 5304 | |
| 5305 | PRE(wait4) |
| 5306 | { |
| 5307 | /* pid_t wait4(pid_t pid, int *status, int options, |
| 5308 | struct rusage *rusage) */ |
| 5309 | MAYBE_PRINTF("wait4 ( %d, %p, %d, %p )\n", |
| 5310 | arg1,arg2,arg3,arg4); |
| 5311 | arg3 &= ~(VKI__WCLONE | VKI__WALL); |
| 5312 | |
| 5313 | if (arg2 != (Addr)NULL) |
| 5314 | SYSCALL_TRACK( pre_mem_write, tid, "wait4(status)", |
| 5315 | arg2, sizeof(int) ); |
| 5316 | if (arg4 != (Addr)NULL) |
| 5317 | SYSCALL_TRACK( pre_mem_write, tid, "wait4(rusage)", arg4, |
| 5318 | sizeof(struct rusage) ); |
| 5319 | } |
| 5320 | |
| 5321 | POST(wait4) |
| 5322 | { |
| 5323 | if (arg2 != (Addr)NULL) |
| 5324 | VG_TRACK( post_mem_write, arg2, sizeof(int) ); |
| 5325 | if (arg4 != (Addr)NULL) |
| 5326 | VG_TRACK( post_mem_write, arg4, sizeof(struct rusage) ); |
| 5327 | } |
| 5328 | |
| 5329 | PRE(writev) |
| 5330 | { |
| 5331 | /* int writev(int fd, const struct iovec * vector, size_t count); */ |
| 5332 | Int i; |
| 5333 | struct iovec * vec; |
| 5334 | MAYBE_PRINTF("writev ( %d, %p, %d )\n",arg1,arg2,arg3); |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 5335 | if (!fd_allowed(arg1, "writev", tid, False)) { |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 5336 | set_result( -VKI_EBADF ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5337 | } else { |
| 5338 | SYSCALL_TRACK( pre_mem_read, tid, "writev(vector)", |
| 5339 | arg2, arg3 * sizeof(struct iovec) ); |
| 5340 | /* ToDo: don't do any of the following if the vector is invalid */ |
| 5341 | vec = (struct iovec *)arg2; |
| 5342 | for (i = 0; i < (Int)arg3; i++) |
| 5343 | SYSCALL_TRACK( pre_mem_read, tid, "writev(vector[...])", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 5344 | (Addr)vec[i].iov_base, vec[i].iov_len ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5345 | } |
| 5346 | } |
| 5347 | |
| 5348 | PRE(prctl) |
| 5349 | { |
| 5350 | /* int prctl(int option, unsigned long arg2, unsigned long arg3, |
| 5351 | unsigned long arg4, unsigned long arg5); */ |
| 5352 | MAYBE_PRINTF( "prctl ( %d, %d, %d, %d, %d )\n", arg1, arg2, arg3, |
| 5353 | arg4, arg5 ); |
| 5354 | } |
| 5355 | |
| 5356 | PRE(adjtimex) |
| 5357 | { |
| 5358 | struct timex *tx = (struct timex *)arg1; |
| 5359 | MAYBE_PRINTF("adjtimex ( %p )\n", arg1); |
| 5360 | |
| 5361 | SYSCALL_TRACK(pre_mem_read, tid, "adjtimex(timex->modes)", arg1, sizeof(tx->modes)); |
| 5362 | |
| 5363 | #define ADJX(bit,field) \ |
| 5364 | if (tx->modes & bit) \ |
| 5365 | SYSCALL_TRACK(pre_mem_read, tid, \ |
| 5366 | "adjtimex(timex->"#field")", \ |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 5367 | (Addr)&tx->field, sizeof(tx->field)) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5368 | ADJX(ADJ_FREQUENCY, freq); |
| 5369 | ADJX(ADJ_MAXERROR, maxerror); |
| 5370 | ADJX(ADJ_ESTERROR, esterror); |
| 5371 | ADJX(ADJ_STATUS, status); |
| 5372 | ADJX(ADJ_TIMECONST, constant); |
| 5373 | ADJX(ADJ_TICK, tick); |
| 5374 | #undef ADJX |
| 5375 | |
| 5376 | SYSCALL_TRACK(pre_mem_write, tid, "adjtimex(timex)", arg1, sizeof(struct timex)); |
| 5377 | } |
| 5378 | |
| 5379 | POST(adjtimex) |
| 5380 | { |
| 5381 | VG_TRACK(post_mem_write, arg1, sizeof(struct timex)); |
| 5382 | } |
| 5383 | |
mueller | d3502b6 | 2003-11-19 00:43:57 +0000 | [diff] [blame] | 5384 | PRE(utimes) |
| 5385 | { |
| 5386 | /* int utimes(const char *filename, struct timeval *tvp); */ |
| 5387 | MAYBE_PRINTF("utimes ( %p, %p )\n", arg1,arg2); |
| 5388 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "utimes(filename)", arg1 ); |
| 5389 | if (arg2 != (UInt)NULL) |
| 5390 | SYSCALL_TRACK( pre_mem_read, tid, "utimes(tvp)", arg2, |
| 5391 | sizeof(struct timeval) ); |
| 5392 | } |
| 5393 | |
fitzhardinge | 47735af | 2004-01-21 01:27:27 +0000 | [diff] [blame] | 5394 | PRE(futex) |
| 5395 | { |
| 5396 | /* int futex(void *futex, int op, int val, const struct timespec *timeout); */ |
| 5397 | MAYBE_PRINTF("futex ( %p, %d, %d, %p, %p )\n", arg1,arg2,arg3,arg4,arg5); |
| 5398 | SYSCALL_TRACK( pre_mem_read, tid, "futex(futex)", arg1, sizeof(int) ); |
| 5399 | if (arg2 == VKI_FUTEX_WAIT && arg4 != (UInt)NULL) |
| 5400 | SYSCALL_TRACK( pre_mem_read, tid, "futex(timeout)", arg4, |
| 5401 | sizeof(struct timespec) ); |
| 5402 | if (arg2 == VKI_FUTEX_REQUEUE) |
| 5403 | SYSCALL_TRACK( pre_mem_read, tid, "futex(futex2)", arg4, sizeof(int) ); |
| 5404 | } |
| 5405 | |
| 5406 | POST(futex) |
| 5407 | { |
nethercote | fe08261 | 2004-07-10 18:08:13 +0000 | [diff] [blame] | 5408 | VG_TRACK( post_mem_write, arg1, sizeof(int) ); |
| 5409 | if (arg2 == VKI_FUTEX_FD) { |
| 5410 | if (!fd_allowed(res, "futex", tid, True)) { |
| 5411 | VG_(close)(res); |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 5412 | set_result( -VKI_EMFILE ); |
nethercote | fe08261 | 2004-07-10 18:08:13 +0000 | [diff] [blame] | 5413 | } else { |
| 5414 | if (VG_(clo_track_fds)) |
| 5415 | record_fd_open(tid, res, VG_(arena_strdup)(VG_AR_CORE, (Char*)arg1)); |
nethercote | 493dd18 | 2004-02-24 23:57:47 +0000 | [diff] [blame] | 5416 | } |
fitzhardinge | 47735af | 2004-01-21 01:27:27 +0000 | [diff] [blame] | 5417 | } |
| 5418 | } |
| 5419 | |
thughes | 2f8d5f8 | 2004-09-11 14:29:19 +0000 | [diff] [blame] | 5420 | PRE(sched_setaffinity) |
| 5421 | { |
| 5422 | /* int sched_setaffinity(pid_t pid, unsigned int len, unsigned long *mask) */ |
| 5423 | MAYBE_PRINTF("sched_setaffinity ( %d, %d, %p )\n", arg1, arg2, arg3); |
| 5424 | SYSCALL_TRACK(pre_mem_read, tid, "sched_setaffinity(mask)", arg3, arg2); |
| 5425 | } |
| 5426 | |
| 5427 | PRE(sched_getaffinity) |
| 5428 | { |
| 5429 | /* int sched_setaffinity(pid_t pid, unsigned int len, unsigned long *mask) */ |
| 5430 | MAYBE_PRINTF("sched_getaffinity ( %d, %d, %p )\n", arg1, arg2, arg3); |
| 5431 | SYSCALL_TRACK(pre_mem_write, tid, "sched_getaffinity(mask)", arg3, arg2); |
| 5432 | } |
| 5433 | |
| 5434 | POST(sched_getaffinity) |
| 5435 | { |
| 5436 | VG_TRACK(post_mem_write, arg3, arg2); |
| 5437 | } |
| 5438 | |
nethercote | 2bc5a21 | 2004-04-10 00:26:10 +0000 | [diff] [blame] | 5439 | PRE(acct) |
| 5440 | { |
| 5441 | /* int acct(const char *filename); */ |
| 5442 | MAYBE_PRINTF("acct ( %p )\n", arg1); |
| 5443 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "acct(filename)", arg1 ); |
| 5444 | } |
| 5445 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5446 | #define SIGNAL_SIMULATION 1 |
| 5447 | |
| 5448 | PRE(pause) |
| 5449 | { |
| 5450 | /* int pause(void); */ |
| 5451 | MAYBE_PRINTF("pause ( )\n"); |
| 5452 | } |
| 5453 | |
| 5454 | PRE(rt_sigsuspend) |
| 5455 | { |
| 5456 | /* int sigsuspend(const sigset_t *mask); */ |
| 5457 | MAYBE_PRINTF("sigsuspend ( %p )\n", arg1 ); |
| 5458 | if (arg1 != (Addr)NULL) { |
| 5459 | /* above NULL test is paranoia */ |
| 5460 | SYSCALL_TRACK( pre_mem_read, tid, "sigsuspend(mask)", arg1, |
| 5461 | sizeof(vki_ksigset_t) ); |
| 5462 | } |
| 5463 | } |
| 5464 | |
| 5465 | PREALIAS(sigsuspend, rt_sigsuspend); |
| 5466 | |
| 5467 | PRE(rt_sigtimedwait) |
| 5468 | { |
| 5469 | /* int sigtimedwait(const sigset_t *set, siginfo_t *info, |
| 5470 | const struct timespec timeout); */ |
nethercote | 9e7e755 | 2003-11-01 14:03:37 +0000 | [diff] [blame] | 5471 | MAYBE_PRINTF("sigtimedwait ( %p, %p, timeout )\n", arg1, arg2); |
| 5472 | if (arg1 != (UInt)NULL) |
| 5473 | SYSCALL_TRACK( pre_mem_read, tid, "sigtimedwait(set)", arg1, |
| 5474 | sizeof(vki_ksigset_t)); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5475 | if (arg2 != (UInt)NULL) |
| 5476 | SYSCALL_TRACK( pre_mem_write, tid, "sigtimedwait(info)", arg2, |
| 5477 | sizeof(siginfo_t) ); |
| 5478 | } |
| 5479 | |
| 5480 | POST(rt_sigtimedwait) |
| 5481 | { |
| 5482 | if (arg2 != (UInt)NULL) |
| 5483 | VG_TRACK( post_mem_write, arg2, sizeof(siginfo_t) ); |
| 5484 | } |
| 5485 | |
| 5486 | PRE(rt_sigqueueinfo) |
| 5487 | { |
| 5488 | /* long sys_rt_sigqueueinfo(int pid, int sig, siginfo_t *uinfo) */ |
| 5489 | MAYBE_PRINTF("rt_sigqueueinfo(%d, %d, %p)\n", arg1, arg2, arg3); |
| 5490 | if (arg2 != (UInt)NULL) |
| 5491 | SYSCALL_TRACK( pre_mem_read, tid, "sigqueueinfo(uinfo)", arg3, |
| 5492 | sizeof(siginfo_t) ); |
| 5493 | } |
| 5494 | |
| 5495 | POST(rt_sigqueueinfo) |
| 5496 | { |
| 5497 | if (res >= 0 && |
| 5498 | arg2 != 0 && |
| 5499 | !VG_(is_sig_ign)(arg2) && |
| 5500 | !VG_(ksigismember)(&tst->eff_sig_mask, arg2) && |
| 5501 | arg1 == VG_(getpid)()) { |
| 5502 | VG_(proxy_waitsig)(); |
| 5503 | } |
| 5504 | } |
| 5505 | |
| 5506 | PRE(sigaltstack) |
| 5507 | { |
| 5508 | /* int sigaltstack(const stack_t *ss, stack_t *oss); */ |
| 5509 | MAYBE_PRINTF("sigaltstack ( %p, %p )\n",arg1,arg2); |
| 5510 | if (arg1 != (UInt)NULL) { |
| 5511 | SYSCALL_TRACK( pre_mem_read, tid, "sigaltstack(ss)", |
| 5512 | arg1, sizeof(vki_kstack_t) ); |
| 5513 | } |
| 5514 | if (arg2 != (UInt)NULL) { |
| 5515 | SYSCALL_TRACK( pre_mem_write, tid, "sigaltstack(oss)", |
| 5516 | arg2, sizeof(vki_kstack_t) ); |
| 5517 | } |
| 5518 | |
| 5519 | if (SIGNAL_SIMULATION) |
| 5520 | VG_(do__NR_sigaltstack) (tid); |
| 5521 | } |
| 5522 | |
| 5523 | POST(sigaltstack) |
| 5524 | { |
| 5525 | if (res == 0 && arg2 != (UInt)NULL) |
| 5526 | VG_TRACK( post_mem_write, arg2, sizeof(vki_kstack_t)); |
| 5527 | } |
| 5528 | |
| 5529 | PRE(sigaction) |
| 5530 | { |
| 5531 | /* int sigaction(int signum, struct k_sigaction *act, |
| 5532 | struct k_sigaction *oldact); */ |
| 5533 | MAYBE_PRINTF("sigaction ( %d, %p, %p )\n",arg1,arg2,arg3); |
| 5534 | if (arg2 != (UInt)NULL) |
| 5535 | SYSCALL_TRACK( pre_mem_read, tid, "sigaction(act)", |
| 5536 | arg2, sizeof(vki_ksigaction)); |
| 5537 | if (arg3 != (UInt)NULL) |
| 5538 | SYSCALL_TRACK( pre_mem_write, tid, "sigaction(oldact)", |
| 5539 | arg3, sizeof(vki_ksigaction)); |
| 5540 | |
| 5541 | if (SIGNAL_SIMULATION) |
| 5542 | VG_(do__NR_sigaction)(tid); |
| 5543 | } |
| 5544 | |
| 5545 | POST(sigaction) |
| 5546 | { |
| 5547 | if (res == 0 && arg3 != (UInt)NULL) |
| 5548 | VG_TRACK( post_mem_write, arg3, sizeof(vki_ksigaction)); |
| 5549 | } |
| 5550 | |
| 5551 | PREALIAS(rt_sigaction, sigaction); |
| 5552 | POSTALIAS(rt_sigaction, sigaction); |
| 5553 | |
| 5554 | PRE(sigprocmask) |
| 5555 | { |
| 5556 | /* int sigprocmask(int how, k_sigset_t *set, |
| 5557 | k_sigset_t *oldset); */ |
| 5558 | MAYBE_PRINTF("sigprocmask ( %d, %p, %p )\n",arg1,arg2,arg3); |
| 5559 | if (arg2 != (UInt)NULL) |
| 5560 | SYSCALL_TRACK( pre_mem_read, tid, "sigprocmask(set)", |
| 5561 | arg2, sizeof(vki_ksigset_t)); |
| 5562 | if (arg3 != (UInt)NULL) |
| 5563 | SYSCALL_TRACK( pre_mem_write, tid, "sigprocmask(oldset)", |
| 5564 | arg3, sizeof(vki_ksigset_t)); |
| 5565 | |
| 5566 | if (SIGNAL_SIMULATION) |
| 5567 | VG_(do__NR_sigprocmask) ( tid, |
| 5568 | arg1 /*how*/, |
| 5569 | (vki_ksigset_t*) arg2, |
| 5570 | (vki_ksigset_t*) arg3 ); |
| 5571 | } |
| 5572 | |
| 5573 | POST(sigprocmask) |
| 5574 | { |
| 5575 | if (res == 0 && arg3 != (UInt)NULL) |
| 5576 | VG_TRACK( post_mem_write, arg3, sizeof(vki_ksigset_t)); |
| 5577 | } |
| 5578 | |
| 5579 | PREALIAS(rt_sigprocmask, sigprocmask); |
| 5580 | POSTALIAS(rt_sigprocmask, sigprocmask); |
| 5581 | |
| 5582 | PRE(sigpending) |
| 5583 | { |
| 5584 | /* int sigpending( sigset_t *set ) ; */ |
| 5585 | MAYBE_PRINTF( "sigpending ( %p )\n", arg1 ); |
| 5586 | SYSCALL_TRACK( pre_mem_write, tid, "sigpending(set)", |
| 5587 | arg1, sizeof(vki_ksigset_t)); |
| 5588 | } |
| 5589 | |
| 5590 | POST(sigpending) |
| 5591 | { |
nethercote | fe08261 | 2004-07-10 18:08:13 +0000 | [diff] [blame] | 5592 | VG_TRACK( post_mem_write, arg1, sizeof( vki_ksigset_t ) ) ; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5593 | } |
| 5594 | |
| 5595 | PREALIAS(rt_sigpending, sigpending); |
| 5596 | POSTALIAS(rt_sigpending, sigpending); |
| 5597 | |
thughes | 9aaebc3 | 2004-07-15 23:13:37 +0000 | [diff] [blame] | 5598 | PRE(io_setup) |
| 5599 | { |
| 5600 | UInt size; |
| 5601 | Addr addr; |
| 5602 | |
| 5603 | /* long io_setup (unsigned nr_events, aio_context_t *ctxp); */ |
| 5604 | MAYBE_PRINTF("io_setup ( %ul, %p )\n",arg1,arg2); |
| 5605 | SYSCALL_TRACK( pre_mem_write, tid, "io_setup(ctxp)", |
| 5606 | arg2, sizeof(vki_aio_context_t) ); |
| 5607 | |
| 5608 | size = PGROUNDUP(sizeof(vki_aio_ring) + arg1 * sizeof(vki_io_event)); |
| 5609 | addr = VG_(find_map_space)(0, size, True); |
| 5610 | VG_(map_segment)(addr, size, VKI_PROT_READ|VKI_PROT_EXEC, SF_FIXED); |
| 5611 | |
| 5612 | VG_(pad_address_space)(); |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 5613 | set_result( VG_(do_syscall)(SYSNO, arg1, arg2) ); |
thughes | 9aaebc3 | 2004-07-15 23:13:37 +0000 | [diff] [blame] | 5614 | VG_(unpad_address_space)(); |
| 5615 | |
| 5616 | if (res == 0) { |
| 5617 | vki_aio_ring *r = *(vki_aio_ring **)arg2; |
| 5618 | |
| 5619 | vg_assert(addr == (Addr)r); |
| 5620 | vg_assert(valid_client_addr(addr, size, tid, "io_setup")); |
| 5621 | |
| 5622 | VG_TRACK( new_mem_mmap, addr, size, True, True, False ); |
| 5623 | VG_TRACK( post_mem_write, arg2, sizeof(vki_aio_context_t) ); |
| 5624 | } |
| 5625 | else { |
| 5626 | VG_(unmap_range)(addr, size); |
| 5627 | } |
| 5628 | } |
| 5629 | |
| 5630 | PRE(io_destroy) |
| 5631 | { |
| 5632 | Segment *s = VG_(find_segment)(arg1); |
| 5633 | vki_aio_ring *r = *(vki_aio_ring **)arg1; |
| 5634 | UInt size = PGROUNDUP(sizeof(vki_aio_ring) + r->nr * sizeof(vki_io_event)); |
| 5635 | |
| 5636 | /* long io_destroy (aio_context_t ctx); */ |
| 5637 | MAYBE_PRINTF("io_destroy ( %ul )\n",arg1); |
| 5638 | |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 5639 | set_result( VG_(do_syscall)(SYSNO, arg1) ); |
thughes | 9aaebc3 | 2004-07-15 23:13:37 +0000 | [diff] [blame] | 5640 | |
| 5641 | if (res == 0 && s != NULL && VG_(seg_contains)(s, arg1, size)) { |
| 5642 | VG_TRACK( die_mem_munmap, arg1, size ); |
| 5643 | VG_(unmap_range)(arg1, size); |
| 5644 | } |
| 5645 | } |
| 5646 | |
| 5647 | PRE(io_getevents) |
| 5648 | { |
| 5649 | /* long io_getevents (aio_context_t ctx_id, long min_nr, long nr, |
| 5650 | struct io_event *events, struct timespec *timeout); */ |
| 5651 | MAYBE_PRINTF("io_getevents ( %ul, %l, %l, %p, %p )\n",arg1,arg2,arg3,arg4,arg5); |
| 5652 | if (arg3 > 0) |
| 5653 | SYSCALL_TRACK( pre_mem_write, tid, "io_getevents(events)", |
| 5654 | arg4, sizeof(vki_io_event)*arg3 ); |
| 5655 | if (arg5 != (UInt)NULL) |
| 5656 | SYSCALL_TRACK( pre_mem_read, tid, "io_getevents(timeout)", |
| 5657 | arg5, sizeof(struct timespec)); |
| 5658 | } |
| 5659 | |
| 5660 | POST(io_getevents) |
| 5661 | { |
| 5662 | int i; |
| 5663 | |
| 5664 | if (res > 0) { |
| 5665 | VG_TRACK( post_mem_write, arg4, sizeof(vki_io_event)*res ); |
| 5666 | for (i = 0; i < res; i++) { |
| 5667 | const vki_io_event *vev = ((vki_io_event *)arg4) + i; |
| 5668 | const vki_iocb *cb = (vki_iocb *)(UInt)vev->obj; |
| 5669 | |
| 5670 | switch (cb->aio_lio_opcode) { |
| 5671 | case VKI_IOCB_CMD_PREAD: |
| 5672 | if (vev->result > 0) |
| 5673 | VG_TRACK( post_mem_write, cb->aio_buf, vev->result ); |
| 5674 | break; |
| 5675 | |
| 5676 | case VKI_IOCB_CMD_PWRITE: |
| 5677 | break; |
| 5678 | |
| 5679 | default: |
| 5680 | VG_(message)(Vg_DebugMsg,"Warning: unhandled io_getevents opcode: %u\n",cb->aio_lio_opcode); |
| 5681 | break; |
| 5682 | } |
| 5683 | } |
| 5684 | } |
| 5685 | } |
| 5686 | |
| 5687 | PRE(io_submit) |
| 5688 | { |
| 5689 | int i; |
| 5690 | |
| 5691 | /* long io_submit (aio_context_t ctx_id, long nr, struct iocb **iocbpp); */ |
| 5692 | MAYBE_PRINTF("io_submit( %ul, %l, %p )\n",arg1,arg2,arg3); |
| 5693 | SYSCALL_TRACK( pre_mem_read, tid, "io_submit(iocbpp)", |
| 5694 | arg3, sizeof(vki_iocb *)*arg2 ); |
| 5695 | for (i = 0; i < arg2; i++) { |
| 5696 | vki_iocb *cb = ((vki_iocb **)arg3)[i]; |
| 5697 | SYSCALL_TRACK( pre_mem_read, tid, "io_submit(iocb)", |
nethercote | a8c1e92 | 2004-10-26 10:57:24 +0000 | [diff] [blame^] | 5698 | (Addr)cb, sizeof(vki_iocb) ); |
thughes | 9aaebc3 | 2004-07-15 23:13:37 +0000 | [diff] [blame] | 5699 | switch (cb->aio_lio_opcode) { |
| 5700 | case VKI_IOCB_CMD_PREAD: |
| 5701 | SYSCALL_TRACK( pre_mem_write, tid, "io_submit(PREAD)", |
| 5702 | cb->aio_buf, cb->aio_nbytes ); |
| 5703 | break; |
| 5704 | |
| 5705 | case VKI_IOCB_CMD_PWRITE: |
| 5706 | SYSCALL_TRACK( pre_mem_read, tid, "io_submit(PWRITE)", |
| 5707 | cb->aio_buf, cb->aio_nbytes ); |
| 5708 | break; |
| 5709 | |
| 5710 | default: |
| 5711 | VG_(message)(Vg_DebugMsg,"Warning: unhandled io_submit opcode: %u\n",cb->aio_lio_opcode); |
| 5712 | break; |
| 5713 | } |
| 5714 | } |
| 5715 | } |
| 5716 | |
| 5717 | PRE(io_cancel) |
| 5718 | { |
| 5719 | /* long io_cancel (aio_context_t ctx_id, struct iocb *iocb, |
| 5720 | struct io_event *result); */ |
| 5721 | MAYBE_PRINTF("io_cancel( %ul, %p, %p )\n",arg1,arg2,arg3); |
| 5722 | SYSCALL_TRACK( pre_mem_read, tid, "io_cancel(iocb)", |
| 5723 | arg2, sizeof(vki_iocb) ); |
| 5724 | SYSCALL_TRACK( pre_mem_write, tid, "io_cancel(result)", |
| 5725 | arg3, sizeof(vki_io_event) ); |
| 5726 | } |
| 5727 | |
| 5728 | POST(io_cancel) |
| 5729 | { |
| 5730 | VG_TRACK( post_mem_write, arg3, sizeof(vki_io_event) ); |
| 5731 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5732 | |
thughes | 8579b10 | 2004-08-14 18:52:27 +0000 | [diff] [blame] | 5733 | PRE(mq_open) |
| 5734 | { |
| 5735 | /* mqd_t mq_open(const char *name, int oflag, ...); */ |
| 5736 | MAYBE_PRINTF("mq_open( %p(%s), %d )\n", arg1,arg1,arg2); |
| 5737 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "mq_open(name)", arg1 ); |
| 5738 | if ((arg2 & VKI_O_CREAT) != 0 && arg4 != 0) { |
| 5739 | const struct vki_mq_attr *attr = (struct vki_mq_attr *)arg4; |
| 5740 | SYSCALL_TRACK( pre_mem_read, tid, "mq_open(attr->mq_maxmsg)", |
| 5741 | (Addr)&attr->mq_maxmsg, sizeof(attr->mq_maxmsg) ); |
| 5742 | SYSCALL_TRACK( pre_mem_read, tid, "mq_open(attr->mq_msgsize)", |
| 5743 | (Addr)&attr->mq_msgsize, sizeof(attr->mq_msgsize) ); |
| 5744 | } |
| 5745 | } |
| 5746 | |
| 5747 | POST(mq_open) |
| 5748 | { |
| 5749 | if (!fd_allowed(res, "mq_open", tid, True)) { |
| 5750 | VG_(close)(res); |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 5751 | set_result( -VKI_EMFILE ); |
thughes | 8579b10 | 2004-08-14 18:52:27 +0000 | [diff] [blame] | 5752 | } else { |
| 5753 | if (VG_(clo_track_fds)) |
| 5754 | record_fd_open(tid, res, VG_(arena_strdup)(VG_AR_CORE, (Char*)arg1)); |
| 5755 | } |
| 5756 | MAYBE_PRINTF("%d\n",res); |
| 5757 | } |
| 5758 | |
| 5759 | PRE(mq_unlink) |
| 5760 | { |
| 5761 | /* int mq_unlink(const char *name) */ |
nethercote | e70bd7d | 2004-08-18 14:37:17 +0000 | [diff] [blame] | 5762 | MAYBE_PRINTF("mq_unlink ( %p(%s) )\n",arg1, arg1); |
thughes | 8579b10 | 2004-08-14 18:52:27 +0000 | [diff] [blame] | 5763 | SYSCALL_TRACK( pre_mem_read_asciiz, tid, "mq_unlink(name)", arg1 ); |
| 5764 | } |
| 5765 | |
| 5766 | PRE(mq_timedsend) |
| 5767 | { |
| 5768 | /* int mq_timedsend(mqd_t mqdes, const char *msg_ptr, size_t msg_len, |
| 5769 | unsigned msg_prio, const struct timespec *abs_timeout); */ |
| 5770 | MAYBE_PRINTF("mq_timedsend ( %d, %p, %d, %d, %p )\n", |
| 5771 | arg1,arg2,arg3,arg4,arg5); |
| 5772 | if (!fd_allowed(arg1, "mq_timedsend", tid, False)) { |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 5773 | set_result( -VKI_EBADF ); |
thughes | 8579b10 | 2004-08-14 18:52:27 +0000 | [diff] [blame] | 5774 | } else { |
| 5775 | SYSCALL_TRACK( pre_mem_read, tid, "mq_timedsend(msg_ptr)", arg2, arg3 ); |
| 5776 | if (arg5 != 0) |
| 5777 | SYSCALL_TRACK( pre_mem_read, tid, "mq_timedsend(abs_timeout)", arg5, |
| 5778 | sizeof(struct timespec) ); |
| 5779 | } |
| 5780 | } |
| 5781 | |
| 5782 | PRE(mq_timedreceive) |
| 5783 | { |
| 5784 | /* ssize_t mq_timedreceive(mqd_t mqdes, char *restrict msg_ptr, |
| 5785 | size_t msg_len, unsigned *restrict msg_prio, |
| 5786 | const struct timespec *restrict abs_timeout); */ |
| 5787 | MAYBE_PRINTF("mq_timedreceive( %d, %p, %d, %p, %p )\n", |
| 5788 | arg1,arg2,arg3,arg4,arg5); |
| 5789 | if (!fd_allowed(arg1, "mq_timedreceive", tid, False)) { |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 5790 | set_result( -VKI_EBADF ); |
thughes | 8579b10 | 2004-08-14 18:52:27 +0000 | [diff] [blame] | 5791 | } else { |
| 5792 | SYSCALL_TRACK( pre_mem_write, tid, "mq_timedreceive(msg_ptr)", arg2, arg3 ); |
| 5793 | if (arg4 != 0) |
| 5794 | SYSCALL_TRACK( pre_mem_write, tid, "mq_timedreceive(msg_prio)", |
| 5795 | arg4, sizeof(unsigned int) ); |
| 5796 | if (arg5 != 0) |
| 5797 | SYSCALL_TRACK( pre_mem_read, tid, "mq_timedreceive(abs_timeout)", |
| 5798 | arg5, sizeof(struct timespec) ); |
| 5799 | } |
| 5800 | } |
| 5801 | |
| 5802 | POST(mq_timedreceive) |
| 5803 | { |
| 5804 | VG_TRACK( post_mem_write, arg2, arg3 ); |
| 5805 | if (arg4 != 0) |
| 5806 | VG_TRACK( post_mem_write, arg4, sizeof(unsigned int) ); |
| 5807 | } |
| 5808 | |
| 5809 | PRE(mq_notify) |
| 5810 | { |
| 5811 | /* int mq_notify(mqd_t mqdes, const struct sigevent *notification); */ |
| 5812 | MAYBE_PRINTF("mq_notify( %d, %p )\n", arg1,arg2 ); |
| 5813 | if (!fd_allowed(arg1, "mq_notify", tid, False)) |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 5814 | set_result( -VKI_EBADF ); |
thughes | 8579b10 | 2004-08-14 18:52:27 +0000 | [diff] [blame] | 5815 | else if (arg2 != 0) |
| 5816 | SYSCALL_TRACK( pre_mem_read, tid, "mq_notify", arg2, |
| 5817 | sizeof(struct sigevent) ); |
| 5818 | } |
| 5819 | |
| 5820 | PRE(mq_getsetattr) |
| 5821 | { |
| 5822 | /* int mq_getsetattr(mqd_t mqdes, const struct mq_attr *restrict mqstat, |
| 5823 | struct mq_attr *restrict omqstat); */ |
| 5824 | MAYBE_PRINTF("mq_getsetattr( %d, %p, %p )\n", arg1,arg2,arg3 ); |
| 5825 | if (!fd_allowed(arg1, "mq_getsetattr", tid, False)) { |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 5826 | set_result( -VKI_EBADF ); |
thughes | 8579b10 | 2004-08-14 18:52:27 +0000 | [diff] [blame] | 5827 | } else { |
| 5828 | if (arg2 != 0) { |
| 5829 | const struct vki_mq_attr *attr = (struct vki_mq_attr *)arg2; |
| 5830 | SYSCALL_TRACK( pre_mem_read, tid, "mq_getsetattr(mqstat->mq_flags)", |
| 5831 | (Addr)&attr->mq_flags, sizeof(attr->mq_flags) ); |
| 5832 | } |
| 5833 | if (arg3 != 0) |
| 5834 | SYSCALL_TRACK( pre_mem_write, tid, "mq_getsetattr(omqstat)", arg3, |
| 5835 | sizeof(struct vki_mq_attr) ); |
| 5836 | } |
| 5837 | } |
| 5838 | |
| 5839 | POST(mq_getsetattr) |
| 5840 | { |
| 5841 | if (arg3 != 0) |
| 5842 | VG_TRACK( post_mem_write, arg3, sizeof(struct vki_mq_attr) ); |
| 5843 | } |
| 5844 | |
thughes | e1a925d | 2004-08-30 19:50:02 +0000 | [diff] [blame] | 5845 | PRE(timer_create) |
| 5846 | { |
| 5847 | /* int timer_create(clockid_t clock_id, struct sigevent *restrict evp, |
| 5848 | timer_t *restrict timerid); */ |
| 5849 | MAYBE_PRINTF("timer_create( %d, %p, %p )\n", arg1,arg2,arg3); |
| 5850 | if (arg2 != 0) |
| 5851 | SYSCALL_TRACK( pre_mem_read, tid, "timer_create(evp)", arg2, |
| 5852 | sizeof(struct sigevent) ); |
| 5853 | SYSCALL_TRACK( pre_mem_write, tid, "timer_create(timerid)", arg3, |
| 5854 | sizeof(timer_t) ); |
| 5855 | } |
| 5856 | |
| 5857 | POST(timer_create) |
| 5858 | { |
| 5859 | VG_TRACK( post_mem_write, arg3, sizeof(timer_t) ); |
| 5860 | } |
| 5861 | |
| 5862 | PRE(timer_settime) |
| 5863 | { |
| 5864 | /* int timer_settime(timer_t timerid, int flags, |
| 5865 | const struct itimerspec *restrict value, |
| 5866 | struct itimerspec *restrict ovalue); */ |
| 5867 | MAYBE_PRINTF("timer_settime( %p, %d, %p, %p )\n", arg1,arg2,arg3,arg4); |
| 5868 | SYSCALL_TRACK( pre_mem_read, tid, "timer_settime(value)", arg3, |
| 5869 | sizeof(struct vki_itimerspec) ); |
| 5870 | if (arg4 != 0) |
| 5871 | SYSCALL_TRACK( pre_mem_write, tid, "timer_settime(ovalue)", arg4, |
| 5872 | sizeof(struct vki_itimerspec) ); |
| 5873 | } |
| 5874 | |
| 5875 | POST(timer_settime) |
| 5876 | { |
| 5877 | if (arg4 != 0) |
| 5878 | VG_TRACK( post_mem_write, arg4, sizeof(struct vki_itimerspec) ); |
| 5879 | } |
| 5880 | |
| 5881 | PRE(timer_gettime) |
| 5882 | { |
| 5883 | /* int timer_gettime(timer_t timerid, struct itimerspec *value); */ |
| 5884 | MAYBE_PRINTF("timer_gettime( %p, %p )\n", arg1,arg2); |
| 5885 | SYSCALL_TRACK( pre_mem_write, tid, "timer_gettime(value)", arg2, |
| 5886 | sizeof(struct vki_itimerspec)); |
| 5887 | } |
| 5888 | |
| 5889 | POST(timer_gettime) |
| 5890 | { |
| 5891 | VG_TRACK( post_mem_write, arg2, sizeof(struct vki_itimerspec) ); |
| 5892 | } |
| 5893 | |
| 5894 | PRE(timer_getoverrun) |
| 5895 | { |
| 5896 | /* int timer_getoverrun(timer_t timerid); */ |
| 5897 | MAYBE_PRINTF("timer_getoverrun( %p )\n", arg1); |
| 5898 | } |
| 5899 | |
| 5900 | PRE(timer_delete) |
| 5901 | { |
| 5902 | /* int timer_delete(timer_t timerid); */ |
| 5903 | MAYBE_PRINTF("timer_delete( %p )\n", arg1); |
| 5904 | } |
| 5905 | |
| 5906 | PRE(clock_settime) |
| 5907 | { |
| 5908 | /* int clock_settime(clockid_t clk_id, const struct timespec *tp); */ |
| 5909 | MAYBE_PRINTF("clock_settime( %d, %p )\n", arg1,arg2); |
| 5910 | SYSCALL_TRACK(pre_mem_read, tid, "clock_gettime(tp)", |
| 5911 | arg2, sizeof(struct timespec) ); |
| 5912 | } |
| 5913 | |
| 5914 | PRE(clock_gettime) |
| 5915 | { |
| 5916 | /* int clock_gettime(clockid_t clk_id, struct timespec *tp); */ |
| 5917 | MAYBE_PRINTF("clock_gettime( %d, %p )\n" , arg1,arg2); |
| 5918 | SYSCALL_TRACK(pre_mem_write, tid, "clock_gettime(tp)", |
| 5919 | arg2, sizeof(struct timespec) ); |
| 5920 | } |
| 5921 | |
| 5922 | POST(clock_gettime) |
| 5923 | { |
| 5924 | VG_TRACK( post_mem_write, arg2, sizeof(struct timespec) ); |
| 5925 | } |
| 5926 | |
| 5927 | PRE(clock_getres) |
| 5928 | { |
| 5929 | /* int clock_getres(clockid_t clk_id, struct timespec *res); */ |
| 5930 | MAYBE_PRINTF("clock_getres( %d, %p )\n" , arg1,arg2); |
| 5931 | SYSCALL_TRACK(pre_mem_write, tid, "clock_getres(res)", |
| 5932 | arg2, sizeof(struct timespec) ); |
| 5933 | } |
| 5934 | |
| 5935 | POST(clock_getres) |
| 5936 | { |
| 5937 | VG_TRACK( post_mem_write, arg2, sizeof(struct timespec) ); |
| 5938 | } |
| 5939 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5940 | struct sys_info { |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 5941 | UInt flags; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5942 | void (*before)(ThreadId tid, ThreadState *tst); |
| 5943 | void (*after)(ThreadId tid, ThreadState *tst); |
| 5944 | }; |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 5945 | #define SYSB_(name, flags) [__NR_##name] = { flags, before_##name, NULL } |
| 5946 | #define SYSBA(name, flags) [__NR_##name] = { flags, before_##name, after_##name } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5947 | |
| 5948 | static void bad_before(ThreadId tid, ThreadState *tst) |
| 5949 | { |
| 5950 | VG_(message) |
nethercote | 427e951 | 2004-08-23 16:36:09 +0000 | [diff] [blame] | 5951 | (Vg_DebugMsg,"WARNING: unhandled syscall: %d", SYSNO); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 5952 | if (VG_(clo_verbosity) > 1) { |
| 5953 | ExeContext *ec = VG_(get_ExeContext)(tid); |
| 5954 | VG_(pp_ExeContext)(ec); |
| 5955 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5956 | VG_(message) |
| 5957 | (Vg_DebugMsg,"Do not panic. You may be able to fix this easily."); |
| 5958 | VG_(message) |
| 5959 | (Vg_DebugMsg,"Read the file README_MISSING_SYSCALL_OR_IOCTL."); |
| 5960 | |
nethercote | 3512291 | 2004-10-18 17:00:30 +0000 | [diff] [blame] | 5961 | set_result( -VKI_ENOSYS ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5962 | } |
| 5963 | |
| 5964 | static void bad_after(ThreadId tid, ThreadState *tst) |
| 5965 | { |
| 5966 | } |
| 5967 | |
| 5968 | static const struct sys_info bad_sys = { False, bad_before, bad_after }; |
| 5969 | |
| 5970 | static const struct sys_info special_sys[] = { |
| 5971 | /* special */ |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 5972 | SYSB_(exit_group, 0), |
| 5973 | SYSB_(exit, 0), |
| 5974 | SYSB_(clone, 0), |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5975 | |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 5976 | SYSB_(modify_ldt, 0), |
| 5977 | SYSB_(set_thread_area, 0), |
| 5978 | SYSB_(get_thread_area, 0), |
| 5979 | SYSB_(set_tid_address, 0), |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5980 | |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 5981 | SYSB_(execve, 0), |
| 5982 | SYSB_(brk, 0), |
| 5983 | SYSB_(mmap, 0), |
| 5984 | SYSB_(mremap, 0), |
fitzhardinge | e1c06d8 | 2003-10-30 07:21:44 +0000 | [diff] [blame] | 5985 | |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 5986 | SYSB_(io_setup, 0), |
| 5987 | SYSB_(io_destroy, 0), |
thughes | 9aaebc3 | 2004-07-15 23:13:37 +0000 | [diff] [blame] | 5988 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5989 | #if SIGNAL_SIMULATION |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 5990 | SYSBA(sigaltstack, 0), |
| 5991 | SYSBA(rt_sigaction, 0), |
| 5992 | SYSBA(sigaction, 0), |
| 5993 | SYSBA(rt_sigprocmask, 0), |
| 5994 | SYSBA(sigprocmask, 0), |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 5995 | #endif /* SIGNAL_SIMULATION */ |
| 5996 | }; |
| 5997 | #define MAX_SPECIAL_SYS (sizeof(special_sys)/sizeof(special_sys[0])) |
| 5998 | |
| 5999 | static const struct sys_info sys_info[] = { |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6000 | SYSBA(ptrace, 0), |
| 6001 | SYSB_(mount, MayBlock), |
| 6002 | SYSB_(umount, 0), |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6003 | |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6004 | SYSB_(setresgid, 0), |
| 6005 | SYSB_(vhangup, 0), |
| 6006 | SYSB_(iopl, 0), |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6007 | |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6008 | SYSB_(setxattr, MayBlock), |
| 6009 | SYSB_(lsetxattr, MayBlock), |
| 6010 | SYSB_(fsetxattr, MayBlock), |
| 6011 | SYSBA(getxattr, MayBlock), |
| 6012 | SYSBA(lgetxattr, MayBlock), |
| 6013 | SYSBA(fgetxattr, MayBlock), |
| 6014 | SYSBA(listxattr, MayBlock), |
| 6015 | SYSBA(llistxattr, MayBlock), |
| 6016 | SYSBA(flistxattr, MayBlock), |
| 6017 | SYSB_(removexattr, MayBlock), |
| 6018 | SYSB_(lremovexattr, MayBlock), |
| 6019 | SYSB_(fremovexattr, MayBlock), |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6020 | |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6021 | SYSB_(quotactl, 0), |
| 6022 | SYSBA(lookup_dcookie, 0), |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6023 | |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6024 | SYSB_(truncate64, MayBlock), |
| 6025 | SYSB_(fdatasync, MayBlock), |
| 6026 | SYSB_(msync, MayBlock), |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6027 | |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6028 | SYSBA(getpmsg, MayBlock), |
| 6029 | SYSB_(putpmsg, MayBlock), |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6030 | |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6031 | SYSBA(syslog, MayBlock), |
| 6032 | SYSB_(personality, 0), |
| 6033 | SYSB_(chroot, 0), |
| 6034 | SYSB_(madvise, MayBlock), |
| 6035 | SYSB_(nice, 0), |
| 6036 | SYSB_(setresgid32, 0), |
| 6037 | SYSB_(setfsuid32, 0), |
| 6038 | SYSBA(_sysctl, 0), |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6039 | |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6040 | SYSB_(sched_getscheduler, 0), /* ??? */ |
| 6041 | SYSB_(sched_setscheduler, 0), /* ??? */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6042 | |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6043 | SYSB_(mlock, MayBlock), |
| 6044 | SYSB_(munlock, MayBlock), |
| 6045 | SYSB_(mlockall, MayBlock), |
| 6046 | SYSB_(munlockall, MayBlock), |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6047 | |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6048 | SYSB_(sched_get_priority_max, 0), /* ??? */ |
| 6049 | SYSB_(sched_get_priority_min, 0), /* ??? */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6050 | |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6051 | SYSB_(setpriority, 0), |
| 6052 | SYSB_(getpriority, 0), |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6053 | |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6054 | SYSB_(setfsgid, 0), |
| 6055 | SYSB_(setregid, 0), |
| 6056 | SYSB_(setresuid, 0), |
| 6057 | SYSB_(setfsuid, 0), |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6058 | |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6059 | SYSBA(sendfile, MayBlock), |
| 6060 | SYSBA(sendfile64, MayBlock), |
| 6061 | SYSB_(pwrite64, MayBlock), |
| 6062 | SYSB_(sync, MayBlock), |
| 6063 | SYSBA(fstatfs, 0), |
thughes | a996d3b | 2004-09-24 22:57:17 +0000 | [diff] [blame] | 6064 | SYSBA(fstatfs64, 0), |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6065 | SYSB_(getsid, 0), |
| 6066 | SYSBA(pread64, MayBlock), |
| 6067 | SYSB_(mknod, 0), |
| 6068 | SYSB_(flock, MayBlock), |
| 6069 | SYSB_(init_module, MayBlock), |
| 6070 | SYSB_(ioperm, 0), |
| 6071 | SYSBA(capget, 0), |
| 6072 | SYSB_(capset, 0), |
| 6073 | SYSB_(access, 0), |
| 6074 | SYSB_(chdir, 0), |
| 6075 | SYSB_(chmod, 0), |
| 6076 | SYSB_(chown32, 0), |
| 6077 | SYSB_(lchown32, 0), |
| 6078 | SYSB_(chown, 0), |
| 6079 | SYSBA(close, 0), |
| 6080 | SYSBA(dup, 0), |
| 6081 | SYSBA(dup2, 0), |
thughes | d4b51a6 | 2004-07-29 21:20:11 +0000 | [diff] [blame] | 6082 | SYSBA(fcntl, 0), |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6083 | SYSB_(fchdir, 0), |
| 6084 | SYSB_(fchown32, 0), |
| 6085 | SYSB_(fchown, 0), |
| 6086 | SYSB_(fchmod, 0), |
thughes | d4b51a6 | 2004-07-29 21:20:11 +0000 | [diff] [blame] | 6087 | SYSBA(fcntl64, 0), |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6088 | SYSBA(fstat, 0), |
| 6089 | SYSBA(fork, 0), |
| 6090 | SYSB_(fsync, MayBlock), |
| 6091 | SYSB_(ftruncate, MayBlock), |
| 6092 | SYSB_(ftruncate64, MayBlock), |
| 6093 | SYSBA(getdents, MayBlock), |
| 6094 | SYSBA(getdents64, MayBlock), |
nethercote | fb0ccb9 | 2004-08-17 13:26:52 +0000 | [diff] [blame] | 6095 | SYSBA(getgroups32, 0), |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6096 | SYSBA(getgroups, 0), |
| 6097 | SYSBA(getcwd, 0), |
| 6098 | SYSB_(geteuid, 0), |
| 6099 | SYSB_(geteuid32, 0), |
| 6100 | SYSB_(getegid, 0), |
| 6101 | SYSB_(getegid32, 0), |
| 6102 | SYSB_(getgid, 0), |
| 6103 | SYSB_(getgid32, 0), |
| 6104 | SYSB_(getpid, 0), |
| 6105 | SYSB_(getpgid, 0), |
| 6106 | SYSB_(getpgrp, 0), |
| 6107 | SYSB_(getppid, 0), |
| 6108 | SYSBA(getresgid, 0), |
| 6109 | SYSBA(getresgid32, 0), |
| 6110 | SYSBA(getresuid, 0), |
| 6111 | SYSBA(getresuid32, 0), |
| 6112 | SYSBA(ugetrlimit, 0), |
| 6113 | SYSBA(getrlimit, 0), |
| 6114 | SYSBA(getrusage, 0), |
| 6115 | SYSBA(gettimeofday, 0), |
| 6116 | SYSB_(getuid, 0), |
| 6117 | SYSB_(getuid32, 0), |
thughes | 024f25d | 2004-07-29 22:40:07 +0000 | [diff] [blame] | 6118 | SYSBA(ipc, 0), |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6119 | SYSBA(ioctl, MayBlock), |
| 6120 | SYSBA(kill, 0), |
| 6121 | SYSB_(link, MayBlock), |
| 6122 | SYSB_(lseek, 0), |
| 6123 | SYSBA(_llseek, 0), |
| 6124 | SYSBA(lstat, 0), |
| 6125 | SYSBA(lstat64, 0), |
| 6126 | SYSB_(mkdir, MayBlock), |
| 6127 | SYSBA(mprotect, 0), |
| 6128 | SYSBA(munmap, 0), |
| 6129 | SYSBA(mincore, 0), |
| 6130 | SYSBA(nanosleep, MayBlock|PostOnFail), |
| 6131 | SYSB_(_newselect, MayBlock), |
| 6132 | SYSBA(open, MayBlock), |
| 6133 | SYSBA(read, MayBlock), |
| 6134 | SYSB_(write, MayBlock), |
| 6135 | SYSBA(creat, MayBlock), |
| 6136 | SYSBA(pipe, 0), |
| 6137 | SYSBA(poll, MayBlock), |
| 6138 | SYSBA(epoll_create, 0), |
| 6139 | SYSB_(epoll_ctl, 0), |
| 6140 | SYSBA(epoll_wait, MayBlock), |
| 6141 | SYSBA(readlink, 0), |
| 6142 | SYSBA(readv, MayBlock), |
| 6143 | SYSB_(rename, 0), |
| 6144 | SYSB_(rmdir, MayBlock), |
| 6145 | SYSBA(sched_setparam, 0), /* ??? */ |
| 6146 | SYSBA(sched_getparam, 0), /* ??? */ |
| 6147 | SYSB_(sched_yield, 0), /* ??? */ |
| 6148 | SYSB_(select, MayBlock), |
| 6149 | SYSB_(setfsgid32, 0), |
| 6150 | SYSB_(setgid32, 0), |
| 6151 | SYSB_(setgid, 0), |
| 6152 | SYSB_(setsid, 0), |
| 6153 | SYSB_(setgroups32, 0), |
| 6154 | SYSB_(setgroups, 0), |
| 6155 | SYSBA(setpgid, 0), |
| 6156 | SYSB_(setregid32, 0), |
| 6157 | SYSB_(setresuid32, 0), |
| 6158 | SYSB_(setreuid32, 0), |
| 6159 | SYSB_(setreuid, 0), |
| 6160 | SYSB_(setrlimit, 0), |
| 6161 | SYSB_(setuid32, 0), |
| 6162 | SYSB_(setuid, 0), |
| 6163 | SYSBA(socketcall, MayBlock), |
| 6164 | SYSBA(stat, 0), |
| 6165 | SYSBA(statfs, 0), |
| 6166 | SYSBA(statfs64, 0), |
| 6167 | SYSB_(symlink, MayBlock), |
| 6168 | SYSBA(stat64, 0), |
| 6169 | SYSBA(fstat64, 0), |
| 6170 | SYSBA(sysinfo, 0), |
| 6171 | SYSBA(time, 0), |
| 6172 | SYSBA(times, 0), |
| 6173 | SYSB_(truncate, MayBlock), |
| 6174 | SYSB_(umask, 0), |
| 6175 | SYSB_(unlink, MayBlock), |
| 6176 | SYSBA(uname, 0), |
| 6177 | SYSB_(utime, MayBlock), |
| 6178 | SYSB_(utimes, 0), |
| 6179 | SYSBA(waitpid, MayBlock), |
| 6180 | SYSBA(wait4, MayBlock), |
| 6181 | SYSB_(writev, MayBlock), |
| 6182 | SYSB_(prctl, MayBlock), |
| 6183 | SYSBA(adjtimex, 0), |
| 6184 | SYSBA(mmap2, 0), |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6185 | SYSBA(futex, MayBlock), |
thughes | 2f8d5f8 | 2004-09-11 14:29:19 +0000 | [diff] [blame] | 6186 | SYSB_(sched_setaffinity, 0), |
| 6187 | SYSBA(sched_getaffinity, 0), |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6188 | SYSB_(acct, 0), |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6189 | |
| 6190 | /* new signal handling makes these normal blocking syscalls */ |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6191 | SYSB_(pause, MayBlock), |
| 6192 | SYSB_(sigsuspend, MayBlock), |
| 6193 | SYSB_(rt_sigsuspend, MayBlock), |
| 6194 | SYSBA(rt_sigtimedwait, MayBlock), |
| 6195 | SYSBA(rt_sigqueueinfo, 0), |
fitzhardinge | a09a1b5 | 2003-11-07 23:09:48 +0000 | [diff] [blame] | 6196 | |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6197 | SYSBA(sigpending, MayBlock), /* not blocking, but must run in LWP context */ |
| 6198 | SYSBA(rt_sigpending, MayBlock), /* not blocking, but must run in LWP context */ |
| 6199 | SYSB_(alarm, MayBlock), /* not blocking, but must run in LWP context */ |
| 6200 | SYSBA(setitimer, MayBlock), /* not blocking, but must run in LWP context */ |
| 6201 | SYSBA(getitimer, MayBlock), /* not blocking, but must run in LWP context */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6202 | |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6203 | SYSBA(io_getevents, MayBlock), |
| 6204 | SYSB_(io_submit, 0), |
| 6205 | SYSBA(io_cancel, 0), |
thughes | 9aaebc3 | 2004-07-15 23:13:37 +0000 | [diff] [blame] | 6206 | |
thughes | 8579b10 | 2004-08-14 18:52:27 +0000 | [diff] [blame] | 6207 | SYSBA(mq_open, 0), |
| 6208 | SYSB_(mq_unlink, 0), |
| 6209 | SYSB_(mq_timedsend, MayBlock), |
| 6210 | SYSBA(mq_timedreceive, MayBlock), |
| 6211 | SYSB_(mq_notify, 0), |
| 6212 | SYSBA(mq_getsetattr, 0), |
| 6213 | |
thughes | e1a925d | 2004-08-30 19:50:02 +0000 | [diff] [blame] | 6214 | SYSBA(timer_create, 0), |
| 6215 | SYSBA(timer_settime, 0), |
| 6216 | SYSBA(timer_gettime, 0), |
| 6217 | SYSB_(timer_getoverrun, 0), |
| 6218 | SYSB_(timer_delete, 0), |
| 6219 | |
| 6220 | SYSB_(clock_settime, 0), |
| 6221 | SYSBA(clock_gettime, 0), |
| 6222 | SYSBA(clock_getres, 0), |
| 6223 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6224 | #if !SIGNAL_SIMULATION |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6225 | SYSBA(sigaltstack, 0), |
| 6226 | SYSBA(rt_sigaction, 0), |
| 6227 | SYSBA(sigaction, 0), |
| 6228 | SYSBA(rt_sigprocmask, 0), |
| 6229 | SYSBA(sigprocmask, 0), |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6230 | #endif /* !SIGNAL_SIMULATION */ |
| 6231 | }; |
| 6232 | #define MAX_SYS_INFO (sizeof(sys_info)/sizeof(sys_info[0])) |
| 6233 | |
| 6234 | #undef SYSB_ |
| 6235 | #undef SYSBA |
| 6236 | |
| 6237 | Bool VG_(pre_syscall) ( ThreadId tid ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 6238 | { |
sewardj | 018f762 | 2002-05-15 21:13:39 +0000 | [diff] [blame] | 6239 | ThreadState* tst; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6240 | UInt syscallno; |
| 6241 | const struct sys_info *sys; |
| 6242 | Bool special = False; |
| 6243 | Bool syscall_done = False; /* we actually ran the syscall */ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 6244 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 6245 | VGP_PUSHCC(VgpCoreSysWrap); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 6246 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6247 | tst = VG_(get_ThreadState)(tid); |
sewardj | 018f762 | 2002-05-15 21:13:39 +0000 | [diff] [blame] | 6248 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6249 | /* Convert vfork to fork, since we can't handle it otherwise. */ |
nethercote | 427e951 | 2004-08-23 16:36:09 +0000 | [diff] [blame] | 6250 | if (SYSNO == __NR_vfork) |
| 6251 | SYSNO = __NR_fork; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 6252 | |
nethercote | 427e951 | 2004-08-23 16:36:09 +0000 | [diff] [blame] | 6253 | syscallno = SYSNO; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6254 | |
| 6255 | if (tst->syscallno != -1) |
| 6256 | VG_(printf)("tid %d has syscall %d\n", tst->tid, tst->syscallno); |
| 6257 | |
| 6258 | vg_assert(tst->syscallno == -1); /* should be no current syscall */ |
| 6259 | vg_assert(tst->status == VgTs_Runnable); /* should be runnable */ |
| 6260 | |
| 6261 | /* the syscall no is in %eax. For syscalls with <= 6 args, |
| 6262 | args 1 .. 6 to the syscall are in %ebx %ecx %edx %esi %edi %ebp. |
| 6263 | For calls with > 6 args, %ebx points to a lump of memory |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 6264 | containing the args. |
| 6265 | |
| 6266 | The result is returned in %eax. If this value >= 0, the call |
| 6267 | succeeded, and this is the return value. If < 0, it failed, and |
| 6268 | the negation of this value is errno. To be more specific, |
| 6269 | if res is in the range -EMEDIUMTYPE (-124) .. -EPERM (-1) |
| 6270 | (kernel 2.4.9 sources, include/asm-i386/errno.h) |
| 6271 | then it indicates an error. Otherwise it doesn't. |
| 6272 | |
| 6273 | Dirk Mueller (mueller@kde.org) says that values -4095 .. -1 |
| 6274 | (inclusive?) indicate error returns. Not sure where the -4095 |
| 6275 | comes from. |
| 6276 | */ |
| 6277 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6278 | tst->syscallno = syscallno; |
fitzhardinge | f0f911c | 2003-11-09 09:51:33 +0000 | [diff] [blame] | 6279 | vg_assert(tst->status == VgTs_Runnable); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 6280 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6281 | if (syscallno < MAX_SPECIAL_SYS && special_sys[syscallno].before != NULL) { |
| 6282 | sys = &special_sys[syscallno]; |
| 6283 | special = True; |
| 6284 | } else if (syscallno < MAX_SYS_INFO && sys_info[syscallno].before != NULL) { |
| 6285 | sys = &sys_info[syscallno]; |
| 6286 | } else { |
| 6287 | sys = &bad_sys; |
| 6288 | special = True; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 6289 | } |
| 6290 | |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6291 | tst->sys_flags = sys->flags; |
| 6292 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6293 | /* Do any pre-syscall actions */ |
| 6294 | if (VG_(needs).syscall_wrapper) { |
| 6295 | VGP_PUSHCC(VgpSkinSysWrap); |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6296 | tst->sys_pre_res = SK_(pre_syscall)(tid, syscallno, /*isBlocking*/(sys->flags & MayBlock) != 0); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6297 | VGP_POPCC(VgpSkinSysWrap); |
| 6298 | } |
| 6299 | |
| 6300 | MAYBE_PRINTF("SYSCALL[%d,%d](%3d)%s%s:", |
| 6301 | VG_(getpid)(), tid, syscallno, |
| 6302 | special ? " special" : "", |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6303 | (sys->flags & MayBlock) != 0 ? " blocking" : ""); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6304 | |
| 6305 | if (special) { |
| 6306 | /* "Special" syscalls are implemented by Valgrind internally, |
| 6307 | and do not generate real kernel calls. The expectation, |
| 6308 | therefore, is that the "before" function not only does the |
| 6309 | appropriate tests, but also performs the syscall itself and |
| 6310 | sets the result. Special syscalls cannot block. */ |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6311 | vg_assert((tst->sys_flags & MayBlock) == 0); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6312 | |
| 6313 | (sys->before)(tst->tid, tst); |
| 6314 | |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6315 | vg_assert(tst->sys_flags == sys->flags); |
| 6316 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6317 | syscall_done = True; |
| 6318 | } else { |
| 6319 | (sys->before)(tst->tid, tst); |
| 6320 | |
nethercote | 427e951 | 2004-08-23 16:36:09 +0000 | [diff] [blame] | 6321 | if ((Int)res <= 0) { |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6322 | /* "before" decided the syscall wasn't viable, so don't do |
| 6323 | anything - just pretend the syscall happened. */ |
| 6324 | syscall_done = True; |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6325 | } else if ((tst->sys_flags & MayBlock) != 0) { |
fitzhardinge | 3373021 | 2003-11-10 21:21:00 +0000 | [diff] [blame] | 6326 | /* Issue to worker. If we're waiting on the syscall because |
| 6327 | it's in the hands of the ProxyLWP, then set the thread |
| 6328 | state to WaitSys. */ |
| 6329 | tst->status = VgTs_WaitSys; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6330 | VG_(sys_issue)(tid); |
| 6331 | } else { |
| 6332 | /* run the syscall directly */ |
nethercote | a4670f6 | 2004-08-23 16:39:42 +0000 | [diff] [blame] | 6333 | res = VG_(do_syscall)(syscallno, arg1, arg2, arg3, arg4, arg5, arg6); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6334 | syscall_done = True; |
| 6335 | } |
| 6336 | } |
| 6337 | |
| 6338 | VGP_POPCC(VgpCoreSysWrap); |
| 6339 | |
fitzhardinge | 3373021 | 2003-11-10 21:21:00 +0000 | [diff] [blame] | 6340 | vg_assert(( syscall_done && tst->status == VgTs_Runnable) || |
| 6341 | (!syscall_done && tst->status == VgTs_WaitSys )); |
fitzhardinge | f0f911c | 2003-11-09 09:51:33 +0000 | [diff] [blame] | 6342 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6343 | return syscall_done; |
| 6344 | } |
| 6345 | |
nethercote | 85cdd34 | 2004-08-01 22:36:40 +0000 | [diff] [blame] | 6346 | static void restart_syscall(ThreadId tid) |
| 6347 | { |
| 6348 | ThreadState* tst; |
| 6349 | tst = VG_(get_ThreadState)(tid); |
| 6350 | |
| 6351 | vg_assert(tst != NULL); |
| 6352 | vg_assert(tst->status == VgTs_WaitSys); |
| 6353 | vg_assert(tst->syscallno != -1); |
| 6354 | |
nethercote | 427e951 | 2004-08-23 16:36:09 +0000 | [diff] [blame] | 6355 | SYSNO = tst->syscallno; |
nethercote | 41c75da | 2004-10-18 15:34:14 +0000 | [diff] [blame] | 6356 | VGA_(restart_syscall)(&tst->arch); |
nethercote | 85cdd34 | 2004-08-01 22:36:40 +0000 | [diff] [blame] | 6357 | } |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6358 | |
fitzhardinge | 31ba905 | 2004-01-16 02:15:23 +0000 | [diff] [blame] | 6359 | void VG_(post_syscall) ( ThreadId tid, Bool restart ) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6360 | { |
| 6361 | ThreadState* tst; |
| 6362 | UInt syscallno; |
| 6363 | const struct sys_info *sys; |
| 6364 | Bool special = False; |
fitzhardinge | 31ba905 | 2004-01-16 02:15:23 +0000 | [diff] [blame] | 6365 | Bool restarted = False; |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6366 | void *pre_res; |
| 6367 | |
| 6368 | VGP_PUSHCC(VgpCoreSysWrap); |
| 6369 | |
| 6370 | tst = VG_(get_ThreadState)(tid); |
| 6371 | |
nethercote | 996901a | 2004-08-03 13:29:09 +0000 | [diff] [blame] | 6372 | /* Tell the tool about the syscall return value */ |
nethercote | 427e951 | 2004-08-23 16:36:09 +0000 | [diff] [blame] | 6373 | SET_SYSCALL_RETVAL(tst->tid, res); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6374 | |
| 6375 | syscallno = tst->syscallno; |
| 6376 | pre_res = tst->sys_pre_res; |
| 6377 | |
| 6378 | vg_assert(syscallno != -1); /* must be a current syscall */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6379 | |
| 6380 | if (syscallno < MAX_SPECIAL_SYS && special_sys[syscallno].before != NULL) { |
| 6381 | sys = &special_sys[syscallno]; |
| 6382 | special = True; |
| 6383 | } else if (syscallno < MAX_SYS_INFO && sys_info[syscallno].before != NULL) { |
| 6384 | sys = &sys_info[syscallno]; |
| 6385 | } else { |
| 6386 | sys = &bad_sys; |
| 6387 | special = True; |
| 6388 | } |
fitzhardinge | f0f911c | 2003-11-09 09:51:33 +0000 | [diff] [blame] | 6389 | |
nethercote | 427e951 | 2004-08-23 16:36:09 +0000 | [diff] [blame] | 6390 | if (res == -VKI_ERESTARTSYS) { |
fitzhardinge | 31ba905 | 2004-01-16 02:15:23 +0000 | [diff] [blame] | 6391 | /* Applications never expect to see this, so we should either |
| 6392 | restart the syscall or fail it with EINTR, depending on what |
| 6393 | our caller wants. Generally they'll want to restart, but if |
| 6394 | client set the signal state to not restart, then we fail with |
| 6395 | EINTR. Either way, ERESTARTSYS means the syscall made no |
| 6396 | progress, and so can be failed or restarted without |
| 6397 | consequence. */ |
| 6398 | if (0) |
| 6399 | VG_(printf)("syscall %d returned ERESTARTSYS; restart=%d\n", |
| 6400 | syscallno, restart); |
| 6401 | |
| 6402 | if (restart) { |
| 6403 | restarted = True; |
nethercote | 85cdd34 | 2004-08-01 22:36:40 +0000 | [diff] [blame] | 6404 | restart_syscall(tid); |
fitzhardinge | 31ba905 | 2004-01-16 02:15:23 +0000 | [diff] [blame] | 6405 | } else |
nethercote | a4670f6 | 2004-08-23 16:39:42 +0000 | [diff] [blame] | 6406 | res = -VKI_EINTR; |
fitzhardinge | 31ba905 | 2004-01-16 02:15:23 +0000 | [diff] [blame] | 6407 | } |
| 6408 | |
| 6409 | if (!restarted) { |
thughes | baa46e5 | 2004-07-29 17:44:23 +0000 | [diff] [blame] | 6410 | if (sys->after != NULL && |
nethercote | 427e951 | 2004-08-23 16:36:09 +0000 | [diff] [blame] | 6411 | ((tst->sys_flags & PostOnFail) != 0 || !VG_(is_kerror)(res))) |
fitzhardinge | 31ba905 | 2004-01-16 02:15:23 +0000 | [diff] [blame] | 6412 | (sys->after)(tst->tid, tst); |
| 6413 | |
| 6414 | /* Do any post-syscall actions |
| 6415 | |
| 6416 | NOTE: this is only called if the syscall completed. If the |
| 6417 | syscall was restarted, then it will call the Tool's |
| 6418 | pre_syscall again, without calling post_syscall (ie, more |
| 6419 | pre's than post's) |
| 6420 | */ |
| 6421 | if (VG_(needs).syscall_wrapper) { |
| 6422 | VGP_PUSHCC(VgpSkinSysWrap); |
nethercote | 427e951 | 2004-08-23 16:36:09 +0000 | [diff] [blame] | 6423 | SK_(post_syscall)(tid, syscallno, pre_res, res, /*isBlocking*/True); // did block |
fitzhardinge | 31ba905 | 2004-01-16 02:15:23 +0000 | [diff] [blame] | 6424 | VGP_POPCC(VgpSkinSysWrap); |
| 6425 | } |
fitzhardinge | e1c06d8 | 2003-10-30 07:21:44 +0000 | [diff] [blame] | 6426 | } |
| 6427 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 6428 | tst->status = VgTs_Runnable; /* runnable again */ |
fitzhardinge | 31ba905 | 2004-01-16 02:15:23 +0000 | [diff] [blame] | 6429 | tst->syscallno = -1; /* no current syscall */ |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 6430 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 6431 | VGP_POPCC(VgpCoreSysWrap); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 6432 | } |
| 6433 | |
nethercote | 427e951 | 2004-08-23 16:36:09 +0000 | [diff] [blame] | 6434 | #undef SYSNO |
| 6435 | #undef res |
| 6436 | #undef arg1 |
| 6437 | #undef arg2 |
| 6438 | #undef arg3 |
| 6439 | #undef arg4 |
| 6440 | #undef arg5 |
| 6441 | #undef arg6 |
| 6442 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 6443 | /*--------------------------------------------------------------------*/ |
njn | 87ef6a6 | 2003-08-14 15:23:55 +0000 | [diff] [blame] | 6444 | /*--- end vg_syscalls.c ---*/ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 6445 | /*--------------------------------------------------------------------*/ |
njn | b94b81e | 2003-09-09 11:27:59 +0000 | [diff] [blame] | 6446 | |