sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1 | |
| 2 | /*--------------------------------------------------------------------*/ |
njn | 04e1698 | 2005-05-31 00:23:43 +0000 | [diff] [blame] | 3 | /*--- Startup: the real stuff m_main.c ---*/ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 4 | /*--------------------------------------------------------------------*/ |
| 5 | |
| 6 | /* |
njn | b9c427c | 2004-12-01 14:14:42 +0000 | [diff] [blame] | 7 | This file is part of Valgrind, a dynamic binary instrumentation |
| 8 | framework. |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 9 | |
njn | 5361242 | 2005-03-12 16:22:54 +0000 | [diff] [blame] | 10 | Copyright (C) 2000-2005 Julian Seward |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 11 | jseward@acm.org |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 12 | |
| 13 | This program is free software; you can redistribute it and/or |
| 14 | modify it under the terms of the GNU General Public License as |
| 15 | published by the Free Software Foundation; either version 2 of the |
| 16 | License, or (at your option) any later version. |
| 17 | |
| 18 | This program is distributed in the hope that it will be useful, but |
| 19 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 21 | General Public License for more details. |
| 22 | |
| 23 | You should have received a copy of the GNU General Public License |
| 24 | along with this program; if not, write to the Free Software |
| 25 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 26 | 02111-1307, USA. |
| 27 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 28 | The GNU General Public License is contained in the file COPYING. |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 29 | */ |
| 30 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 31 | #define _FILE_OFFSET_BITS 64 |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 32 | |
njn | c7561b9 | 2005-06-19 01:24:32 +0000 | [diff] [blame] | 33 | #include "pub_core_basics.h" |
| 34 | #include "pub_core_threadstate.h" |
njn | 899ce73 | 2005-06-21 00:28:11 +0000 | [diff] [blame] | 35 | #include "pub_core_debuginfo.h" // Needed for pub_core_aspacemgr :( |
sewardj | 55f9d1a | 2005-04-25 11:11:44 +0000 | [diff] [blame] | 36 | #include "pub_core_aspacemgr.h" |
njn | 2521d32 | 2005-05-08 14:45:13 +0000 | [diff] [blame] | 37 | #include "pub_core_debuglog.h" |
| 38 | #include "pub_core_errormgr.h" |
| 39 | #include "pub_core_execontext.h" |
njn | 97405b2 | 2005-06-02 03:39:33 +0000 | [diff] [blame] | 40 | #include "pub_core_libcbase.h" |
njn | 132bfcc | 2005-06-04 19:16:06 +0000 | [diff] [blame] | 41 | #include "pub_core_libcassert.h" |
njn | eb8896b | 2005-06-04 20:03:55 +0000 | [diff] [blame] | 42 | #include "pub_core_libcfile.h" |
njn | e9befc6 | 2005-06-11 15:51:30 +0000 | [diff] [blame] | 43 | #include "pub_core_libcmman.h" |
njn | 36a20fa | 2005-06-03 03:08:39 +0000 | [diff] [blame] | 44 | #include "pub_core_libcprint.h" |
njn | f39e9a3 | 2005-06-12 02:43:17 +0000 | [diff] [blame] | 45 | #include "pub_core_libcproc.h" |
njn | de62cbf | 2005-06-10 22:08:14 +0000 | [diff] [blame] | 46 | #include "pub_core_libcsignal.h" |
njn | f536bbb | 2005-06-13 04:21:38 +0000 | [diff] [blame] | 47 | #include "pub_core_machine.h" |
njn | 04e1698 | 2005-05-31 00:23:43 +0000 | [diff] [blame] | 48 | #include "pub_core_main.h" |
njn | af1d7df | 2005-06-11 01:31:52 +0000 | [diff] [blame] | 49 | #include "pub_core_mallocfree.h" |
njn | 2024234 | 2005-05-16 23:31:24 +0000 | [diff] [blame] | 50 | #include "pub_core_options.h" |
njn | 31513b4 | 2005-06-01 03:09:59 +0000 | [diff] [blame] | 51 | #include "pub_core_profile.h" |
njn | d1af003 | 2005-05-29 17:01:48 +0000 | [diff] [blame] | 52 | #include "pub_core_redir.h" |
njn | c7561b9 | 2005-06-19 01:24:32 +0000 | [diff] [blame] | 53 | #include "pub_core_scheduler.h" |
njn | 0c24647 | 2005-05-31 01:00:08 +0000 | [diff] [blame] | 54 | #include "pub_core_signals.h" |
njn | 2025cf9 | 2005-06-26 20:44:48 +0000 | [diff] [blame] | 55 | #include "pub_core_stacks.h" // For VG_(register_stack) |
njn | c1b0181 | 2005-06-17 22:19:06 +0000 | [diff] [blame] | 56 | #include "pub_core_syswrap.h" |
njn | 2025cf9 | 2005-06-26 20:44:48 +0000 | [diff] [blame] | 57 | #include "pub_core_translate.h" // For VG_(get_BB_profile) |
njn | 43b9a8a | 2005-05-10 04:37:01 +0000 | [diff] [blame] | 58 | #include "pub_core_tooliface.h" |
njn | a7598f6 | 2005-06-18 03:27:58 +0000 | [diff] [blame] | 59 | #include "pub_core_trampoline.h" |
njn | 8bddf58 | 2005-05-13 23:40:55 +0000 | [diff] [blame] | 60 | #include "pub_core_transtab.h" |
njn | 08a2e17 | 2005-06-21 22:47:54 +0000 | [diff] [blame] | 61 | #include "pub_core_ume.h" |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 62 | |
| 63 | #include <dirent.h> |
| 64 | #include <dlfcn.h> |
| 65 | #include <errno.h> |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 66 | #include <stdio.h> |
fitzhardinge | b727d04 | 2004-01-06 00:18:21 +0000 | [diff] [blame] | 67 | #include <stdlib.h> |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 68 | #include <string.h> |
fitzhardinge | b727d04 | 2004-01-06 00:18:21 +0000 | [diff] [blame] | 69 | #include <unistd.h> |
| 70 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 71 | #include "memcheck/memcheck.h" |
| 72 | |
thughes | 74b8de2 | 2004-04-22 18:12:31 +0000 | [diff] [blame] | 73 | #ifndef AT_DCACHEBSIZE |
| 74 | #define AT_DCACHEBSIZE 19 |
| 75 | #endif /* AT_DCACHEBSIZE */ |
| 76 | |
| 77 | #ifndef AT_ICACHEBSIZE |
| 78 | #define AT_ICACHEBSIZE 20 |
| 79 | #endif /* AT_ICACHEBSIZE */ |
| 80 | |
| 81 | #ifndef AT_UCACHEBSIZE |
| 82 | #define AT_UCACHEBSIZE 21 |
| 83 | #endif /* AT_UCACHEBSIZE */ |
| 84 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 85 | #ifndef AT_SYSINFO |
| 86 | #define AT_SYSINFO 32 |
| 87 | #endif /* AT_SYSINFO */ |
| 88 | |
| 89 | #ifndef AT_SYSINFO_EHDR |
| 90 | #define AT_SYSINFO_EHDR 33 |
| 91 | #endif /* AT_SYSINFO_EHDR */ |
| 92 | |
| 93 | #ifndef AT_SECURE |
| 94 | #define AT_SECURE 23 /* secure mode boolean */ |
| 95 | #endif /* AT_SECURE */ |
| 96 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 97 | /* redzone gap between client address space and shadow */ |
| 98 | #define REDZONE_SIZE (1 * 1024*1024) |
| 99 | |
| 100 | /* size multiple for client address space */ |
nethercote | e94b2de | 2004-06-23 16:15:06 +0000 | [diff] [blame] | 101 | #define CLIENT_SIZE_MULTIPLE (1 * 1024*1024) |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 102 | |
nethercote | e209731 | 2004-06-27 12:29:56 +0000 | [diff] [blame] | 103 | /* Proportion of client space for its heap (rest is for mmaps + stack) */ |
| 104 | #define CLIENT_HEAP_PROPORTION 0.333 |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 105 | |
njn | 14319cc | 2005-03-13 06:26:22 +0000 | [diff] [blame] | 106 | /* Number of file descriptors that Valgrind tries to reserve for |
| 107 | it's own use - just a small constant. */ |
| 108 | #define N_RESERVED_FDS (10) |
| 109 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 110 | /*====================================================================*/ |
| 111 | /*=== Global entities not referenced from generated code ===*/ |
| 112 | /*====================================================================*/ |
| 113 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 114 | /* --------------------------------------------------------------------- |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 115 | Startup stuff |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 116 | ------------------------------------------------------------------ */ |
| 117 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 118 | /* stage1 (main) executable */ |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 119 | static Int vgexecfd = -1; |
fitzhardinge | a49f9b5 | 2003-12-16 22:26:45 +0000 | [diff] [blame] | 120 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 121 | /* our argc/argv */ |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 122 | static Int vg_argc; |
| 123 | static Char **vg_argv; |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 124 | |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 125 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 126 | /*====================================================================*/ |
| 127 | /*=== Counters, for profiling purposes only ===*/ |
| 128 | /*====================================================================*/ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 129 | |
nethercote | 3a42fb8 | 2004-08-03 18:08:50 +0000 | [diff] [blame] | 130 | static void print_all_stats ( void ) |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 131 | { |
nethercote | 92e7b7f | 2004-08-07 17:52:25 +0000 | [diff] [blame] | 132 | VG_(print_tt_tc_stats)(); |
nethercote | 844e712 | 2004-08-02 15:27:22 +0000 | [diff] [blame] | 133 | VG_(print_scheduler_stats)(); |
njn | 9271cbc | 2005-03-13 05:38:25 +0000 | [diff] [blame] | 134 | VG_(print_ExeContext_stats)(); |
| 135 | |
nethercote | 3a42fb8 | 2004-08-03 18:08:50 +0000 | [diff] [blame] | 136 | // Memory stats |
nethercote | 885dd91 | 2004-08-03 23:14:00 +0000 | [diff] [blame] | 137 | if (VG_(clo_verbosity) > 2) { |
nethercote | 3a42fb8 | 2004-08-03 18:08:50 +0000 | [diff] [blame] | 138 | VG_(message)(Vg_DebugMsg, ""); |
| 139 | VG_(message)(Vg_DebugMsg, |
| 140 | "------ Valgrind's internal memory use stats follow ------" ); |
nethercote | 885dd91 | 2004-08-03 23:14:00 +0000 | [diff] [blame] | 141 | VG_(sanity_check_malloc_all)(); |
njn | 11adeb2 | 2005-07-03 20:22:39 +0000 | [diff] [blame] | 142 | VG_(message)(Vg_DebugMsg, "------" ); |
nethercote | 3a42fb8 | 2004-08-03 18:08:50 +0000 | [diff] [blame] | 143 | VG_(print_all_arena_stats)(); |
nethercote | 885dd91 | 2004-08-03 23:14:00 +0000 | [diff] [blame] | 144 | VG_(message)(Vg_DebugMsg, ""); |
nethercote | 3a42fb8 | 2004-08-03 18:08:50 +0000 | [diff] [blame] | 145 | } |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 146 | } |
| 147 | |
| 148 | |
| 149 | /*====================================================================*/ |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 150 | /*=== Check we were launched by stage 1 ===*/ |
| 151 | /*====================================================================*/ |
| 152 | |
| 153 | /* Look for our AUXV table */ |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 154 | static int scan_auxv(void* init_sp) |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 155 | { |
njn | 62ff0f2 | 2005-06-21 23:03:36 +0000 | [diff] [blame] | 156 | struct ume_auxv *auxv = VG_(find_auxv)((UWord*)init_sp); |
nethercote | 31779c7 | 2004-07-30 21:50:15 +0000 | [diff] [blame] | 157 | int padfile = -1, found = 0; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 158 | |
| 159 | for (; auxv->a_type != AT_NULL; auxv++) |
| 160 | switch(auxv->a_type) { |
| 161 | case AT_UME_PADFD: |
nethercote | 31779c7 | 2004-07-30 21:50:15 +0000 | [diff] [blame] | 162 | padfile = auxv->u.a_val; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 163 | found |= 1; |
| 164 | break; |
| 165 | |
| 166 | case AT_UME_EXECFD: |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 167 | vgexecfd = auxv->u.a_val; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 168 | found |= 2; |
| 169 | break; |
nethercote | 7f39002 | 2004-10-25 17:18:24 +0000 | [diff] [blame] | 170 | |
sewardj | 10f08cf | 2005-06-29 10:16:14 +0000 | [diff] [blame] | 171 | # if defined(VGP_ppc32_linux) |
cerion | 85665ca | 2005-06-20 15:51:07 +0000 | [diff] [blame] | 172 | case AT_DCACHEBSIZE: |
| 173 | case AT_ICACHEBSIZE: |
| 174 | case AT_UCACHEBSIZE: |
sewardj | 10f08cf | 2005-06-29 10:16:14 +0000 | [diff] [blame] | 175 | if (auxv->u.a_val > 0) { |
| 176 | VG_(cache_line_size_ppc32) = auxv->u.a_val; |
| 177 | VG_(debugLog)(1, "main", |
| 178 | "PPC32 cache line size %u (type %u)\n", |
| 179 | (UInt)auxv->u.a_val, (UInt)auxv->a_type ); |
| 180 | } |
cerion | 85665ca | 2005-06-20 15:51:07 +0000 | [diff] [blame] | 181 | break; |
sewardj | 10f08cf | 2005-06-29 10:16:14 +0000 | [diff] [blame] | 182 | # endif |
cerion | 85665ca | 2005-06-20 15:51:07 +0000 | [diff] [blame] | 183 | |
nethercote | 7f39002 | 2004-10-25 17:18:24 +0000 | [diff] [blame] | 184 | case AT_PHDR: |
njn | 13bfd85 | 2005-06-02 03:52:53 +0000 | [diff] [blame] | 185 | VG_(valgrind_base) = VG_PGROUNDDN(auxv->u.a_val); |
nethercote | 7f39002 | 2004-10-25 17:18:24 +0000 | [diff] [blame] | 186 | break; |
cerion | 85665ca | 2005-06-20 15:51:07 +0000 | [diff] [blame] | 187 | |
sewardj | 10f08cf | 2005-06-29 10:16:14 +0000 | [diff] [blame] | 188 | default: |
| 189 | break; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 190 | } |
| 191 | |
nethercote | 361a14e | 2004-07-26 11:11:56 +0000 | [diff] [blame] | 192 | if ( found != (1|2) ) { |
| 193 | fprintf(stderr, "valgrind: stage2 must be launched by stage1\n"); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 194 | exit(127); |
| 195 | } |
nethercote | 31779c7 | 2004-07-30 21:50:15 +0000 | [diff] [blame] | 196 | vg_assert(padfile >= 0); |
| 197 | return padfile; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 198 | } |
| 199 | |
| 200 | |
| 201 | /*====================================================================*/ |
| 202 | /*=== Address space determination ===*/ |
| 203 | /*====================================================================*/ |
| 204 | |
nethercote | 7f39002 | 2004-10-25 17:18:24 +0000 | [diff] [blame] | 205 | extern char _start[]; |
| 206 | |
nethercote | 31779c7 | 2004-07-30 21:50:15 +0000 | [diff] [blame] | 207 | static void layout_remaining_space(Addr argc_addr, float ratio) |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 208 | { |
njn | 8340749 | 2005-06-19 16:10:47 +0000 | [diff] [blame] | 209 | SysRes res; |
| 210 | Addr client_size, shadow_size; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 211 | |
nethercote | 7f39002 | 2004-10-25 17:18:24 +0000 | [diff] [blame] | 212 | // VG_(valgrind_base) should have been set by scan_auxv, but if not, |
| 213 | // this is a workable approximation |
| 214 | if (VG_(valgrind_base) == 0) { |
njn | 13bfd85 | 2005-06-02 03:52:53 +0000 | [diff] [blame] | 215 | VG_(valgrind_base) = VG_PGROUNDDN(&_start); |
nethercote | 7f39002 | 2004-10-25 17:18:24 +0000 | [diff] [blame] | 216 | } |
| 217 | |
njn | 13bfd85 | 2005-06-02 03:52:53 +0000 | [diff] [blame] | 218 | VG_(valgrind_last) = VG_ROUNDUP(argc_addr, 0x10000) - 1; // stack |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 219 | |
nethercote | 31779c7 | 2004-07-30 21:50:15 +0000 | [diff] [blame] | 220 | // This gives the client the largest possible address space while |
| 221 | // taking into account the tool's shadow needs. |
njn | 13bfd85 | 2005-06-02 03:52:53 +0000 | [diff] [blame] | 222 | client_size = VG_ROUNDDN((VG_(valgrind_base)-REDZONE_SIZE) / (1.+ratio), |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 223 | CLIENT_SIZE_MULTIPLE); |
njn | 311c5d8 | 2005-05-15 21:03:42 +0000 | [diff] [blame] | 224 | VG_(client_base) = 0; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 225 | VG_(client_end) = VG_(client_base) + client_size; |
nethercote | e209731 | 2004-06-27 12:29:56 +0000 | [diff] [blame] | 226 | /* where !FIXED mmap goes */ |
nethercote | bc7b4f4 | 2004-07-26 12:44:35 +0000 | [diff] [blame] | 227 | VG_(client_mapbase) = VG_(client_base) + |
njn | 13bfd85 | 2005-06-02 03:52:53 +0000 | [diff] [blame] | 228 | VG_PGROUNDDN((Addr)(client_size * CLIENT_HEAP_PROPORTION)); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 229 | |
nethercote | 31779c7 | 2004-07-30 21:50:15 +0000 | [diff] [blame] | 230 | VG_(shadow_base) = VG_(client_end) + REDZONE_SIZE; |
nethercote | 410bfe6 | 2004-09-04 15:53:35 +0000 | [diff] [blame] | 231 | VG_(shadow_end) = VG_(valgrind_base); |
| 232 | shadow_size = VG_(shadow_end) - VG_(shadow_base); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 233 | |
nethercote | e209731 | 2004-06-27 12:29:56 +0000 | [diff] [blame] | 234 | #define SEGSIZE(a,b) ((VG_(b) - VG_(a))/(1024*1024)) |
| 235 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 236 | if (0) |
nethercote | e209731 | 2004-06-27 12:29:56 +0000 | [diff] [blame] | 237 | VG_(printf)( |
tom | b1d4318 | 2005-03-29 09:00:12 +0000 | [diff] [blame] | 238 | "client_base %p (%dMB)\n" |
| 239 | "client_mapbase %p (%dMB)\n" |
| 240 | "client_end %p (%dMB)\n" |
| 241 | "shadow_base %p (%dMB)\n" |
| 242 | "shadow_end %p\n" |
| 243 | "valgrind_base %p (%dMB)\n" |
| 244 | "valgrind_last %p\n", |
nethercote | e209731 | 2004-06-27 12:29:56 +0000 | [diff] [blame] | 245 | VG_(client_base), SEGSIZE(client_base, client_mapbase), |
| 246 | VG_(client_mapbase), SEGSIZE(client_mapbase, client_end), |
| 247 | VG_(client_end), SEGSIZE(client_end, shadow_base), |
| 248 | VG_(shadow_base), SEGSIZE(shadow_base, shadow_end), |
nethercote | 410bfe6 | 2004-09-04 15:53:35 +0000 | [diff] [blame] | 249 | VG_(shadow_end), |
nethercote | 820bd8c | 2004-09-07 23:04:49 +0000 | [diff] [blame] | 250 | VG_(valgrind_base), SEGSIZE(valgrind_base, valgrind_last), |
| 251 | VG_(valgrind_last) |
nethercote | e209731 | 2004-06-27 12:29:56 +0000 | [diff] [blame] | 252 | ); |
| 253 | |
| 254 | #undef SEGSIZE |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 255 | |
| 256 | // Ban redzone |
njn | 8340749 | 2005-06-19 16:10:47 +0000 | [diff] [blame] | 257 | res = VG_(mmap_native)((void *)VG_(client_end), REDZONE_SIZE, VKI_PROT_NONE, |
| 258 | VKI_MAP_FIXED|VKI_MAP_ANONYMOUS|VKI_MAP_PRIVATE|VKI_MAP_NORESERVE, |
| 259 | -1, 0); |
| 260 | vg_assert(!res.isError); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 261 | |
| 262 | // Make client hole |
njn | 8340749 | 2005-06-19 16:10:47 +0000 | [diff] [blame] | 263 | res = VG_(munmap_native)((void*)VG_(client_base), client_size); |
| 264 | vg_assert(!res.isError); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 265 | |
| 266 | // Map shadow memory. |
| 267 | // Initially all inaccessible, incrementally initialized as it is used |
nethercote | e567e70 | 2004-07-10 17:49:17 +0000 | [diff] [blame] | 268 | if (shadow_size != 0) { |
njn | 8340749 | 2005-06-19 16:10:47 +0000 | [diff] [blame] | 269 | res = VG_(mmap_native)((char *)VG_(shadow_base), shadow_size, |
| 270 | VKI_PROT_NONE, |
| 271 | VKI_MAP_PRIVATE|VKI_MAP_ANONYMOUS|VKI_MAP_FIXED|VKI_MAP_NORESERVE, |
| 272 | -1, 0); |
| 273 | if (res.isError) { |
nethercote | d472262 | 2004-08-30 19:36:42 +0000 | [diff] [blame] | 274 | fprintf(stderr, |
nethercote | 8c1ce43 | 2004-10-08 14:01:14 +0000 | [diff] [blame] | 275 | "valgrind: Could not allocate address space (%p bytes)\n" |
| 276 | "valgrind: for shadow memory\n" |
| 277 | "valgrind: Possible causes:\n" |
| 278 | "valgrind: - For some systems (especially under RedHat 8), Valgrind\n" |
| 279 | "valgrind: needs at least 1.5GB swap space.\n" |
| 280 | "valgrind: - Or, your virtual memory size may be limited (check\n" |
| 281 | "valgrind: with 'ulimit -v').\n" |
| 282 | "valgrind: - Or, your system may use a kernel that provides only a\n" |
| 283 | "valgrind: too-small (eg. 2GB) user address space.\n" |
| 284 | , (void*)shadow_size |
| 285 | ); |
nethercote | d472262 | 2004-08-30 19:36:42 +0000 | [diff] [blame] | 286 | exit(1); |
| 287 | } |
nethercote | e567e70 | 2004-07-10 17:49:17 +0000 | [diff] [blame] | 288 | } |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 289 | } |
| 290 | |
| 291 | /*====================================================================*/ |
| 292 | /*=== Command line setup ===*/ |
| 293 | /*====================================================================*/ |
| 294 | |
njn | dcc99d3 | 2005-06-19 15:34:59 +0000 | [diff] [blame] | 295 | // Note that we deliberately don't free the malloc'd memory. See comment |
| 296 | // at call site. |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 297 | static char* get_file_clo(char* dir) |
| 298 | { |
| 299 | # define FLEN 512 |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 300 | Int n; |
| 301 | SysRes fd; |
njn | 909c319 | 2005-06-19 15:46:27 +0000 | [diff] [blame] | 302 | struct vki_stat s1; |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 303 | Char* f_clo = NULL; |
| 304 | Char filename[FLEN]; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 305 | |
| 306 | snprintf(filename, FLEN, "%s/.valgrindrc", ( NULL == dir ? "" : dir ) ); |
| 307 | fd = VG_(open)(filename, 0, VKI_S_IRUSR); |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 308 | if ( !fd.isError ) { |
| 309 | if ( 0 == VG_(fstat)(fd.val, &s1) ) { |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 310 | f_clo = malloc(s1.st_size+1); |
| 311 | vg_assert(f_clo); |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 312 | n = VG_(read)(fd.val, f_clo, s1.st_size); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 313 | if (n == -1) n = 0; |
| 314 | f_clo[n] = '\0'; |
| 315 | } |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 316 | VG_(close)(fd.val); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 317 | } |
| 318 | return f_clo; |
| 319 | # undef FLEN |
| 320 | } |
| 321 | |
| 322 | static Int count_args(char* s) |
| 323 | { |
| 324 | Int n = 0; |
| 325 | if (s) { |
| 326 | char* cp = s; |
| 327 | while (True) { |
| 328 | // We have alternating sequences: blanks, non-blanks, blanks... |
| 329 | // count the non-blanks sequences. |
njn | 0c0f32a | 2005-03-26 04:14:01 +0000 | [diff] [blame] | 330 | while ( VG_(isspace)(*cp) ) cp++; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 331 | if ( !*cp ) break; |
| 332 | n++; |
njn | 0c0f32a | 2005-03-26 04:14:01 +0000 | [diff] [blame] | 333 | while ( !VG_(isspace)(*cp) && *cp ) cp++; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 334 | } |
| 335 | } |
| 336 | return n; |
| 337 | } |
| 338 | |
njn | dcc99d3 | 2005-06-19 15:34:59 +0000 | [diff] [blame] | 339 | // Add args out of environment, skipping multiple spaces and "--" args. |
| 340 | // We split 's' into multiple strings by replacing whitespace with nuls, |
| 341 | // eg. "--aa --bb --cc" --> "--aa\0--bb\0--cc". And for each new string |
| 342 | // carved out of 's', we put a pointer to it in 'to'. |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 343 | static char** copy_args( char* s, char** to ) |
| 344 | { |
| 345 | if (s) { |
| 346 | char* cp = s; |
| 347 | while (True) { |
| 348 | // We have alternating sequences: blanks, non-blanks, blanks... |
| 349 | // copy the non-blanks sequences, and add terminating '\0' |
njn | 0c0f32a | 2005-03-26 04:14:01 +0000 | [diff] [blame] | 350 | while ( VG_(isspace)(*cp) ) cp++; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 351 | if ( !*cp ) break; |
| 352 | *to++ = cp; |
njn | 0c0f32a | 2005-03-26 04:14:01 +0000 | [diff] [blame] | 353 | while ( !VG_(isspace)(*cp) && *cp ) cp++; |
njn | dcc99d3 | 2005-06-19 15:34:59 +0000 | [diff] [blame] | 354 | if ( *cp ) *cp++ = '\0'; // terminate if not the last |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 355 | if (VG_STREQ(to[-1], "--")) to--; // undo any '--' arg |
| 356 | } |
| 357 | } |
| 358 | return to; |
| 359 | } |
| 360 | |
| 361 | // Augment command line with arguments from environment and .valgrindrc |
| 362 | // files. |
| 363 | static void augment_command_line(Int* vg_argc_inout, char*** vg_argv_inout) |
| 364 | { |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 365 | int vg_argc0 = *vg_argc_inout; |
| 366 | char** vg_argv0 = *vg_argv_inout; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 367 | |
njn | dcc99d3 | 2005-06-19 15:34:59 +0000 | [diff] [blame] | 368 | // get_file_clo() allocates the return value with malloc(). We do not |
| 369 | // free f1_clo and f2_clo as they get put into vg_argv[] which must persist. |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 370 | char* env_clo = getenv(VALGRINDOPTS); |
| 371 | char* f1_clo = get_file_clo( getenv("HOME") ); |
| 372 | char* f2_clo = get_file_clo("."); |
| 373 | |
| 374 | /* copy any extra args from file or environment, if present */ |
| 375 | if ( (env_clo && *env_clo) || (f1_clo && *f1_clo) || (f2_clo && *f2_clo) ) { |
| 376 | /* ' ' separated extra options */ |
| 377 | char **from; |
| 378 | char **to; |
thughes | caca002 | 2004-09-13 10:20:34 +0000 | [diff] [blame] | 379 | int orig_arg_count, env_arg_count, f1_arg_count, f2_arg_count; |
| 380 | |
| 381 | for ( orig_arg_count = 0; vg_argv0[orig_arg_count]; orig_arg_count++ ); |
| 382 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 383 | env_arg_count = count_args(env_clo); |
| 384 | f1_arg_count = count_args(f1_clo); |
| 385 | f2_arg_count = count_args(f2_clo); |
| 386 | |
| 387 | if (0) |
| 388 | printf("extra-argc=%d %d %d\n", |
| 389 | env_arg_count, f1_arg_count, f2_arg_count); |
| 390 | |
| 391 | /* +2: +1 for null-termination, +1 for added '--' */ |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 392 | from = vg_argv0; |
thughes | caca002 | 2004-09-13 10:20:34 +0000 | [diff] [blame] | 393 | vg_argv0 = malloc( (orig_arg_count + env_arg_count + f1_arg_count |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 394 | + f2_arg_count + 2) * sizeof(char **)); |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 395 | vg_assert(vg_argv0); |
| 396 | to = vg_argv0; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 397 | |
| 398 | /* copy argv[0] */ |
| 399 | *to++ = *from++; |
| 400 | |
| 401 | /* Copy extra args from env var and file, in the order: ~/.valgrindrc, |
| 402 | * $VALGRIND_OPTS, ./.valgrindrc -- more local options are put later |
| 403 | * to override less local ones. */ |
| 404 | to = copy_args(f1_clo, to); |
| 405 | to = copy_args(env_clo, to); |
| 406 | to = copy_args(f2_clo, to); |
njn | a96e15a | 2005-05-24 21:36:32 +0000 | [diff] [blame] | 407 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 408 | /* copy original arguments, stopping at command or -- */ |
| 409 | while (*from) { |
| 410 | if (**from != '-') |
| 411 | break; |
| 412 | if (VG_STREQ(*from, "--")) { |
| 413 | from++; /* skip -- */ |
| 414 | break; |
| 415 | } |
| 416 | *to++ = *from++; |
| 417 | } |
| 418 | |
| 419 | /* add -- */ |
| 420 | *to++ = "--"; |
| 421 | |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 422 | vg_argc0 = to - vg_argv0; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 423 | |
| 424 | /* copy rest of original command line, then NULL */ |
| 425 | while (*from) *to++ = *from++; |
| 426 | *to = NULL; |
| 427 | } |
| 428 | |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 429 | *vg_argc_inout = vg_argc0; |
| 430 | *vg_argv_inout = vg_argv0; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 431 | } |
| 432 | |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 433 | #define VG_CLO_SEP '\01' |
| 434 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 435 | static void get_command_line( int argc, char** argv, |
| 436 | Int* vg_argc_out, Char*** vg_argv_out, |
| 437 | char*** cl_argv_out ) |
| 438 | { |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 439 | int vg_argc0; |
| 440 | char** vg_argv0; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 441 | char** cl_argv; |
| 442 | char* env_clo = getenv(VALGRINDCLO); |
| 443 | |
| 444 | if (env_clo != NULL && *env_clo != '\0') { |
| 445 | char *cp; |
| 446 | char **cpp; |
| 447 | |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 448 | /* OK, VALGRINDCLO is set, which means we must be a child of another |
| 449 | Valgrind process using --trace-children, so we're getting all our |
| 450 | arguments from VALGRINDCLO, and the entire command line belongs to |
| 451 | the client (including argv[0]) */ |
| 452 | vg_argc0 = 1; /* argv[0] */ |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 453 | for (cp = env_clo; *cp; cp++) |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 454 | if (*cp == VG_CLO_SEP) |
| 455 | vg_argc0++; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 456 | |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 457 | vg_argv0 = malloc(sizeof(char **) * (vg_argc0 + 1)); |
| 458 | vg_assert(vg_argv0); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 459 | |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 460 | cpp = vg_argv0; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 461 | |
| 462 | *cpp++ = "valgrind"; /* nominal argv[0] */ |
| 463 | *cpp++ = env_clo; |
| 464 | |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 465 | // Replace the VG_CLO_SEP args separator with '\0' |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 466 | for (cp = env_clo; *cp; cp++) { |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 467 | if (*cp == VG_CLO_SEP) { |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 468 | *cp++ = '\0'; /* chop it up in place */ |
| 469 | *cpp++ = cp; |
| 470 | } |
| 471 | } |
| 472 | *cpp = NULL; |
| 473 | cl_argv = argv; |
| 474 | |
| 475 | } else { |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 476 | Bool noaugment = False; |
| 477 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 478 | /* Count the arguments on the command line. */ |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 479 | vg_argv0 = argv; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 480 | |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 481 | for (vg_argc0 = 1; vg_argc0 < argc; vg_argc0++) { |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 482 | Char* arg = argv[vg_argc0]; |
| 483 | if (arg[0] != '-') /* exe name */ |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 484 | break; |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 485 | if (VG_STREQ(arg, "--")) { /* dummy arg */ |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 486 | vg_argc0++; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 487 | break; |
| 488 | } |
njn | 45270a2 | 2005-03-27 01:00:11 +0000 | [diff] [blame] | 489 | VG_BOOL_CLO(arg, "--command-line-only", noaugment) |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 490 | } |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 491 | cl_argv = &argv[vg_argc0]; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 492 | |
| 493 | /* Get extra args from VALGRIND_OPTS and .valgrindrc files. |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 494 | Note we don't do this if getting args from VALGRINDCLO, as |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 495 | those extra args will already be present in VALGRINDCLO. |
| 496 | (We also don't do it when --command-line-only=yes.) */ |
| 497 | if (!noaugment) |
| 498 | augment_command_line(&vg_argc0, &vg_argv0); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 499 | } |
| 500 | |
| 501 | if (0) { |
| 502 | Int i; |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 503 | for (i = 0; i < vg_argc0; i++) |
| 504 | printf("vg_argv0[%d]=\"%s\"\n", i, vg_argv0[i]); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 505 | } |
| 506 | |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 507 | *vg_argc_out = vg_argc0; |
| 508 | *vg_argv_out = (Char**)vg_argv0; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 509 | *cl_argv_out = cl_argv; |
| 510 | } |
| 511 | |
| 512 | |
| 513 | /*====================================================================*/ |
| 514 | /*=== Environment and stack setup ===*/ |
| 515 | /*====================================================================*/ |
| 516 | |
| 517 | /* Scan a colon-separated list, and call a function on each element. |
| 518 | The string must be mutable, because we insert a temporary '\0', but |
thughes | 4ad52d0 | 2004-06-27 17:37:21 +0000 | [diff] [blame] | 519 | the string will end up unmodified. (*func) should return True if it |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 520 | doesn't need to see any more. |
thughes | 4ad52d0 | 2004-06-27 17:37:21 +0000 | [diff] [blame] | 521 | |
| 522 | This routine will return True if (*func) returns True and False if |
| 523 | it reaches the end of the list without that happening. |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 524 | */ |
thughes | 4ad52d0 | 2004-06-27 17:37:21 +0000 | [diff] [blame] | 525 | static Bool scan_colsep(char *colsep, Bool (*func)(const char *)) |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 526 | { |
| 527 | char *cp, *entry; |
| 528 | int end; |
| 529 | |
| 530 | if (colsep == NULL || |
| 531 | *colsep == '\0') |
thughes | 4ad52d0 | 2004-06-27 17:37:21 +0000 | [diff] [blame] | 532 | return False; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 533 | |
| 534 | entry = cp = colsep; |
| 535 | |
| 536 | do { |
| 537 | end = (*cp == '\0'); |
| 538 | |
| 539 | if (*cp == ':' || *cp == '\0') { |
| 540 | char save = *cp; |
| 541 | |
| 542 | *cp = '\0'; |
thughes | 21942d9 | 2004-07-12 09:35:37 +0000 | [diff] [blame] | 543 | if ((*func)(entry)) { |
| 544 | *cp = save; |
thughes | 4ad52d0 | 2004-06-27 17:37:21 +0000 | [diff] [blame] | 545 | return True; |
thughes | 21942d9 | 2004-07-12 09:35:37 +0000 | [diff] [blame] | 546 | } |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 547 | *cp = save; |
| 548 | entry = cp+1; |
| 549 | } |
| 550 | cp++; |
| 551 | } while(!end); |
thughes | 4ad52d0 | 2004-06-27 17:37:21 +0000 | [diff] [blame] | 552 | |
| 553 | return False; |
| 554 | } |
| 555 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 556 | /* Prepare the client's environment. This is basically a copy of our |
| 557 | environment, except: |
njn | 16eeb4e | 2005-06-16 03:56:58 +0000 | [diff] [blame] | 558 | LD_PRELOAD=$VALGRINDLIB/vg_preload_core.so:($VALGRINDLIB/vgpreload_TOOL.so:)?$LD_PRELOAD |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 559 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 560 | If this is missing, then it is added. |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 561 | |
| 562 | Yummy. String hacking in C. |
| 563 | |
| 564 | If this needs to handle any more variables it should be hacked |
| 565 | into something table driven. |
| 566 | */ |
| 567 | static char **fix_environment(char **origenv, const char *preload) |
| 568 | { |
njn | 16eeb4e | 2005-06-16 03:56:58 +0000 | [diff] [blame] | 569 | static const char preload_core_so[] = "vg_preload_core.so"; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 570 | static const char ld_preload[] = "LD_PRELOAD="; |
| 571 | static const char valgrind_clo[] = VALGRINDCLO "="; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 572 | static const int ld_preload_len = sizeof(ld_preload)-1; |
| 573 | static const int valgrind_clo_len = sizeof(valgrind_clo)-1; |
| 574 | int ld_preload_done = 0; |
njn | 16eeb4e | 2005-06-16 03:56:58 +0000 | [diff] [blame] | 575 | char *preload_core_path; |
| 576 | int preload_core_path_len; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 577 | int vgliblen = strlen(VG_(libdir)); |
| 578 | char **cpp; |
| 579 | char **ret; |
| 580 | int envc; |
| 581 | const int preloadlen = (preload == NULL) ? 0 : strlen(preload); |
| 582 | |
njn | 16eeb4e | 2005-06-16 03:56:58 +0000 | [diff] [blame] | 583 | /* Find the vg_preload_core.so; also make room for the tool preload |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 584 | library */ |
njn | 16eeb4e | 2005-06-16 03:56:58 +0000 | [diff] [blame] | 585 | preload_core_path_len = sizeof(preload_core_so) + vgliblen + preloadlen + 16; |
| 586 | preload_core_path = malloc(preload_core_path_len); |
| 587 | vg_assert(preload_core_path); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 588 | |
| 589 | if (preload) |
njn | 16eeb4e | 2005-06-16 03:56:58 +0000 | [diff] [blame] | 590 | snprintf(preload_core_path, preload_core_path_len, "%s/%s:%s", |
| 591 | VG_(libdir), preload_core_so, preload); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 592 | else |
njn | 16eeb4e | 2005-06-16 03:56:58 +0000 | [diff] [blame] | 593 | snprintf(preload_core_path, preload_core_path_len, "%s/%s", |
| 594 | VG_(libdir), preload_core_so); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 595 | |
| 596 | /* Count the original size of the env */ |
| 597 | envc = 0; /* trailing NULL */ |
| 598 | for (cpp = origenv; cpp && *cpp; cpp++) |
| 599 | envc++; |
| 600 | |
| 601 | /* Allocate a new space */ |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 602 | ret = malloc(sizeof(char *) * (envc+1+1)); /* 1 new entry + NULL */ |
nethercote | 7c018f4 | 2004-07-17 16:40:50 +0000 | [diff] [blame] | 603 | vg_assert(ret); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 604 | |
| 605 | /* copy it over */ |
| 606 | for (cpp = ret; *origenv; ) |
| 607 | *cpp++ = *origenv++; |
| 608 | *cpp = NULL; |
| 609 | |
| 610 | vg_assert(envc == (cpp - ret)); |
| 611 | |
| 612 | /* Walk over the new environment, mashing as we go */ |
| 613 | for (cpp = ret; cpp && *cpp; cpp++) { |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 614 | if (memcmp(*cpp, ld_preload, ld_preload_len) == 0) { |
njn | 16eeb4e | 2005-06-16 03:56:58 +0000 | [diff] [blame] | 615 | int len = strlen(*cpp) + preload_core_path_len; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 616 | char *cp = malloc(len); |
nethercote | 7c018f4 | 2004-07-17 16:40:50 +0000 | [diff] [blame] | 617 | vg_assert(cp); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 618 | |
| 619 | snprintf(cp, len, "%s%s:%s", |
njn | 16eeb4e | 2005-06-16 03:56:58 +0000 | [diff] [blame] | 620 | ld_preload, preload_core_path, (*cpp)+ld_preload_len); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 621 | |
| 622 | *cpp = cp; |
| 623 | |
| 624 | ld_preload_done = 1; |
| 625 | } else if (memcmp(*cpp, valgrind_clo, valgrind_clo_len) == 0) { |
| 626 | *cpp = ""; |
| 627 | } |
| 628 | } |
| 629 | |
| 630 | /* Add the missing bits */ |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 631 | if (!ld_preload_done) { |
njn | 16eeb4e | 2005-06-16 03:56:58 +0000 | [diff] [blame] | 632 | int len = ld_preload_len + preload_core_path_len; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 633 | char *cp = malloc(len); |
nethercote | 7c018f4 | 2004-07-17 16:40:50 +0000 | [diff] [blame] | 634 | vg_assert(cp); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 635 | |
njn | 16eeb4e | 2005-06-16 03:56:58 +0000 | [diff] [blame] | 636 | snprintf(cp, len, "%s%s", ld_preload, preload_core_path); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 637 | |
| 638 | ret[envc++] = cp; |
| 639 | } |
| 640 | |
njn | 16eeb4e | 2005-06-16 03:56:58 +0000 | [diff] [blame] | 641 | free(preload_core_path); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 642 | ret[envc] = NULL; |
| 643 | |
| 644 | return ret; |
| 645 | } |
| 646 | |
| 647 | extern char **environ; /* our environment */ |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 648 | |
| 649 | /* Add a string onto the string table, and return its address */ |
| 650 | static char *copy_str(char **tab, const char *str) |
| 651 | { |
| 652 | char *cp = *tab; |
| 653 | char *orig = cp; |
| 654 | |
| 655 | while(*str) |
| 656 | *cp++ = *str++; |
| 657 | *cp++ = '\0'; |
| 658 | |
| 659 | if (0) |
nethercote | 545fe67 | 2004-11-01 16:52:43 +0000 | [diff] [blame] | 660 | printf("copied %p \"%s\" len %lld\n", orig, orig, (Long)(cp-orig)); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 661 | |
| 662 | *tab = cp; |
| 663 | |
| 664 | return orig; |
| 665 | } |
| 666 | |
| 667 | /* |
| 668 | This sets up the client's initial stack, containing the args, |
| 669 | environment and aux vector. |
| 670 | |
| 671 | The format of the stack is: |
| 672 | |
| 673 | higher address +-----------------+ |
| 674 | | Trampoline code | |
| 675 | +-----------------+ |
| 676 | | | |
| 677 | : string table : |
| 678 | | | |
| 679 | +-----------------+ |
| 680 | | AT_NULL | |
| 681 | - - |
| 682 | | auxv | |
| 683 | +-----------------+ |
| 684 | | NULL | |
| 685 | - - |
| 686 | | envp | |
| 687 | +-----------------+ |
| 688 | | NULL | |
| 689 | - - |
| 690 | | argv | |
| 691 | +-----------------+ |
| 692 | | argc | |
nethercote | 4ad7431 | 2004-10-26 09:59:49 +0000 | [diff] [blame] | 693 | lower address +-----------------+ <- sp |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 694 | | undefined | |
| 695 | : : |
| 696 | */ |
nethercote | c25c449 | 2004-10-18 11:52:17 +0000 | [diff] [blame] | 697 | static Addr setup_client_stack(void* init_sp, |
| 698 | char **orig_argv, char **orig_envp, |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 699 | const struct exeinfo *info, |
| 700 | UInt** client_auxv) |
| 701 | { |
njn | 8340749 | 2005-06-19 16:10:47 +0000 | [diff] [blame] | 702 | SysRes res; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 703 | char **cpp; |
| 704 | char *strtab; /* string table */ |
| 705 | char *stringbase; |
nethercote | a3c3cf2 | 2004-11-01 18:38:00 +0000 | [diff] [blame] | 706 | Addr *ptr; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 707 | struct ume_auxv *auxv; |
| 708 | const struct ume_auxv *orig_auxv; |
| 709 | const struct ume_auxv *cauxv; |
| 710 | unsigned stringsize; /* total size of strings in bytes */ |
| 711 | unsigned auxsize; /* total size of auxv in bytes */ |
| 712 | int argc; /* total argc */ |
| 713 | int envc; /* total number of env vars */ |
| 714 | unsigned stacksize; /* total client stack size */ |
nethercote | a3c3cf2 | 2004-11-01 18:38:00 +0000 | [diff] [blame] | 715 | Addr cl_esp; /* client stack base (initial esp) */ |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 716 | |
| 717 | /* use our own auxv as a prototype */ |
njn | 62ff0f2 | 2005-06-21 23:03:36 +0000 | [diff] [blame] | 718 | orig_auxv = VG_(find_auxv)(init_sp); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 719 | |
| 720 | /* ==================== compute sizes ==================== */ |
| 721 | |
| 722 | /* first of all, work out how big the client stack will be */ |
| 723 | stringsize = 0; |
| 724 | |
| 725 | /* paste on the extra args if the loader needs them (ie, the #! |
| 726 | interpreter and its argument) */ |
| 727 | argc = 0; |
nethercote | d6a5687 | 2004-07-26 15:32:47 +0000 | [diff] [blame] | 728 | if (info->interp_name != NULL) { |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 729 | argc++; |
nethercote | d6a5687 | 2004-07-26 15:32:47 +0000 | [diff] [blame] | 730 | stringsize += strlen(info->interp_name) + 1; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 731 | } |
nethercote | d6a5687 | 2004-07-26 15:32:47 +0000 | [diff] [blame] | 732 | if (info->interp_args != NULL) { |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 733 | argc++; |
nethercote | d6a5687 | 2004-07-26 15:32:47 +0000 | [diff] [blame] | 734 | stringsize += strlen(info->interp_args) + 1; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 735 | } |
| 736 | |
| 737 | /* now scan the args we're given... */ |
| 738 | for (cpp = orig_argv; *cpp; cpp++) { |
| 739 | argc++; |
| 740 | stringsize += strlen(*cpp) + 1; |
| 741 | } |
| 742 | |
| 743 | /* ...and the environment */ |
| 744 | envc = 0; |
| 745 | for (cpp = orig_envp; cpp && *cpp; cpp++) { |
| 746 | envc++; |
| 747 | stringsize += strlen(*cpp) + 1; |
| 748 | } |
| 749 | |
| 750 | /* now, how big is the auxv? */ |
| 751 | auxsize = sizeof(*auxv); /* there's always at least one entry: AT_NULL */ |
| 752 | for (cauxv = orig_auxv; cauxv->a_type != AT_NULL; cauxv++) { |
| 753 | if (cauxv->a_type == AT_PLATFORM) |
| 754 | stringsize += strlen(cauxv->u.a_ptr) + 1; |
| 755 | auxsize += sizeof(*cauxv); |
| 756 | } |
| 757 | |
cerion | 85665ca | 2005-06-20 15:51:07 +0000 | [diff] [blame] | 758 | #if defined(VGP_ppc32_linux) |
| 759 | auxsize += 2 * sizeof(*cauxv); |
| 760 | #endif |
| 761 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 762 | /* OK, now we know how big the client stack is */ |
| 763 | stacksize = |
sewardj | 9d9cdea | 2005-03-23 03:06:30 +0000 | [diff] [blame] | 764 | sizeof(Word) + /* argc */ |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 765 | sizeof(char **)*argc + /* argv */ |
| 766 | sizeof(char **) + /* terminal NULL */ |
| 767 | sizeof(char **)*envc + /* envp */ |
| 768 | sizeof(char **) + /* terminal NULL */ |
| 769 | auxsize + /* auxv */ |
njn | 13bfd85 | 2005-06-02 03:52:53 +0000 | [diff] [blame] | 770 | VG_ROUNDUP(stringsize, sizeof(Word)) +/* strings (aligned) */ |
nethercote | 5fd72bb | 2004-11-04 19:28:38 +0000 | [diff] [blame] | 771 | VKI_PAGE_SIZE; /* page for trampoline code */ |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 772 | |
sewardj | 79048ce | 2005-02-18 08:28:32 +0000 | [diff] [blame] | 773 | if (0) VG_(printf)("stacksize = %d\n", stacksize); |
| 774 | |
nethercote | f84f695 | 2004-07-15 14:58:33 +0000 | [diff] [blame] | 775 | // decide where stack goes! |
| 776 | VG_(clstk_end) = VG_(client_end); |
| 777 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 778 | /* cl_esp is the client's stack pointer */ |
nethercote | f84f695 | 2004-07-15 14:58:33 +0000 | [diff] [blame] | 779 | cl_esp = VG_(clstk_end) - stacksize; |
njn | 13bfd85 | 2005-06-02 03:52:53 +0000 | [diff] [blame] | 780 | cl_esp = VG_ROUNDDN(cl_esp, 16); /* make stack 16 byte aligned */ |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 781 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 782 | /* base of the string table (aligned) */ |
sewardj | b9bce63 | 2005-06-21 01:41:34 +0000 | [diff] [blame] | 783 | stringbase = strtab = (char *)(VG_(clstk_end) |
njn | 13bfd85 | 2005-06-02 03:52:53 +0000 | [diff] [blame] | 784 | - VG_ROUNDUP(stringsize, sizeof(int))); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 785 | |
njn | 13bfd85 | 2005-06-02 03:52:53 +0000 | [diff] [blame] | 786 | VG_(clstk_base) = VG_PGROUNDDN(cl_esp); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 787 | |
sewardj | 79048ce | 2005-02-18 08:28:32 +0000 | [diff] [blame] | 788 | if (0) |
nethercote | 5ee67ca | 2004-06-22 14:00:09 +0000 | [diff] [blame] | 789 | printf("stringsize=%d auxsize=%d stacksize=%d\n" |
nethercote | 6a27d83 | 2004-09-07 10:17:02 +0000 | [diff] [blame] | 790 | "clstk_base %p\n" |
| 791 | "clstk_end %p\n", |
| 792 | stringsize, auxsize, stacksize, |
| 793 | (void*)VG_(clstk_base), (void*)VG_(clstk_end)); |
nethercote | 5ee67ca | 2004-06-22 14:00:09 +0000 | [diff] [blame] | 794 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 795 | /* ==================== allocate space ==================== */ |
| 796 | |
| 797 | /* allocate a stack - mmap enough space for the stack */ |
njn | 8340749 | 2005-06-19 16:10:47 +0000 | [diff] [blame] | 798 | res = VG_(mmap_native)((void *)VG_PGROUNDDN(cl_esp), |
njn | 13bfd85 | 2005-06-02 03:52:53 +0000 | [diff] [blame] | 799 | VG_(clstk_end) - VG_PGROUNDDN(cl_esp), |
njn | 8340749 | 2005-06-19 16:10:47 +0000 | [diff] [blame] | 800 | VKI_PROT_READ|VKI_PROT_WRITE|VKI_PROT_EXEC, |
| 801 | VKI_MAP_PRIVATE|VKI_MAP_ANONYMOUS|VKI_MAP_FIXED, -1, 0); |
| 802 | vg_assert(!res.isError); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 803 | |
| 804 | /* ==================== copy client stack ==================== */ |
| 805 | |
nethercote | a3c3cf2 | 2004-11-01 18:38:00 +0000 | [diff] [blame] | 806 | ptr = (Addr*)cl_esp; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 807 | |
| 808 | /* --- argc --- */ |
| 809 | *ptr++ = argc; /* client argc */ |
| 810 | |
| 811 | /* --- argv --- */ |
nethercote | d6a5687 | 2004-07-26 15:32:47 +0000 | [diff] [blame] | 812 | if (info->interp_name) { |
nethercote | a3c3cf2 | 2004-11-01 18:38:00 +0000 | [diff] [blame] | 813 | *ptr++ = (Addr)copy_str(&strtab, info->interp_name); |
nethercote | d6a5687 | 2004-07-26 15:32:47 +0000 | [diff] [blame] | 814 | free(info->interp_name); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 815 | } |
nethercote | d6a5687 | 2004-07-26 15:32:47 +0000 | [diff] [blame] | 816 | if (info->interp_args) { |
nethercote | a3c3cf2 | 2004-11-01 18:38:00 +0000 | [diff] [blame] | 817 | *ptr++ = (Addr)copy_str(&strtab, info->interp_args); |
nethercote | d6a5687 | 2004-07-26 15:32:47 +0000 | [diff] [blame] | 818 | free(info->interp_args); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 819 | } |
| 820 | for (cpp = orig_argv; *cpp; ptr++, cpp++) { |
nethercote | a3c3cf2 | 2004-11-01 18:38:00 +0000 | [diff] [blame] | 821 | *ptr = (Addr)copy_str(&strtab, *cpp); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 822 | } |
| 823 | *ptr++ = 0; |
| 824 | |
| 825 | /* --- envp --- */ |
| 826 | VG_(client_envp) = (Char **)ptr; |
| 827 | for (cpp = orig_envp; cpp && *cpp; ptr++, cpp++) |
nethercote | a3c3cf2 | 2004-11-01 18:38:00 +0000 | [diff] [blame] | 828 | *ptr = (Addr)copy_str(&strtab, *cpp); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 829 | *ptr++ = 0; |
| 830 | |
| 831 | /* --- auxv --- */ |
| 832 | auxv = (struct ume_auxv *)ptr; |
| 833 | *client_auxv = (UInt *)auxv; |
| 834 | |
cerion | 85665ca | 2005-06-20 15:51:07 +0000 | [diff] [blame] | 835 | #if defined(VGP_ppc32_linux) |
| 836 | auxv[0].a_type = AT_IGNOREPPC; |
| 837 | auxv[0].u.a_val = AT_IGNOREPPC; |
| 838 | auxv[1].a_type = AT_IGNOREPPC; |
| 839 | auxv[1].u.a_val = AT_IGNOREPPC; |
| 840 | auxv += 2; |
| 841 | #endif |
| 842 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 843 | for (; orig_auxv->a_type != AT_NULL; auxv++, orig_auxv++) { |
| 844 | /* copy the entry... */ |
| 845 | *auxv = *orig_auxv; |
| 846 | |
| 847 | /* ...and fix up the copy */ |
| 848 | switch(auxv->a_type) { |
| 849 | case AT_PHDR: |
| 850 | if (info->phdr == 0) |
| 851 | auxv->a_type = AT_IGNORE; |
| 852 | else |
| 853 | auxv->u.a_val = info->phdr; |
| 854 | break; |
| 855 | |
| 856 | case AT_PHNUM: |
| 857 | if (info->phdr == 0) |
| 858 | auxv->a_type = AT_IGNORE; |
| 859 | else |
| 860 | auxv->u.a_val = info->phnum; |
| 861 | break; |
| 862 | |
| 863 | case AT_BASE: |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 864 | auxv->u.a_val = info->interp_base; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 865 | break; |
| 866 | |
| 867 | case AT_PLATFORM: /* points to a platform description string */ |
| 868 | auxv->u.a_ptr = copy_str(&strtab, orig_auxv->u.a_ptr); |
| 869 | break; |
| 870 | |
| 871 | case AT_ENTRY: |
| 872 | auxv->u.a_val = info->entry; |
| 873 | break; |
| 874 | |
| 875 | case AT_IGNORE: |
| 876 | case AT_EXECFD: |
| 877 | case AT_PHENT: |
| 878 | case AT_PAGESZ: |
| 879 | case AT_FLAGS: |
| 880 | case AT_NOTELF: |
| 881 | case AT_UID: |
| 882 | case AT_EUID: |
| 883 | case AT_GID: |
| 884 | case AT_EGID: |
| 885 | case AT_CLKTCK: |
| 886 | case AT_HWCAP: |
| 887 | case AT_FPUCW: |
| 888 | case AT_DCACHEBSIZE: |
| 889 | case AT_ICACHEBSIZE: |
| 890 | case AT_UCACHEBSIZE: |
cerion | 85665ca | 2005-06-20 15:51:07 +0000 | [diff] [blame] | 891 | #if defined(VGP_ppc32_linux) |
| 892 | case AT_IGNOREPPC: |
| 893 | #endif |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 894 | /* All these are pointerless, so we don't need to do anything |
| 895 | about them. */ |
| 896 | break; |
| 897 | |
| 898 | case AT_SECURE: |
| 899 | /* If this is 1, then it means that this program is running |
| 900 | suid, and therefore the dynamic linker should be careful |
| 901 | about LD_PRELOAD, etc. However, since stage1 (the thing |
| 902 | the kernel actually execve's) should never be SUID, and we |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 903 | need LD_PRELOAD to work for the client, we |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 904 | set AT_SECURE to 0. */ |
| 905 | auxv->u.a_val = 0; |
| 906 | break; |
| 907 | |
| 908 | case AT_SYSINFO: |
| 909 | /* Leave this unmolested for now, but we'll update it later |
| 910 | when we set up the client trampoline code page */ |
| 911 | break; |
| 912 | |
cerion | 85665ca | 2005-06-20 15:51:07 +0000 | [diff] [blame] | 913 | #if !defined(VGP_ppc32_linux) |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 914 | case AT_SYSINFO_EHDR: |
| 915 | /* Trash this, because we don't reproduce it */ |
| 916 | auxv->a_type = AT_IGNORE; |
| 917 | break; |
cerion | 85665ca | 2005-06-20 15:51:07 +0000 | [diff] [blame] | 918 | #endif |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 919 | |
| 920 | default: |
| 921 | /* stomp out anything we don't know about */ |
njn | 3756925 | 2005-06-21 00:28:43 +0000 | [diff] [blame] | 922 | if (0) |
nethercote | 545fe67 | 2004-11-01 16:52:43 +0000 | [diff] [blame] | 923 | printf("stomping auxv entry %lld\n", (ULong)auxv->a_type); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 924 | auxv->a_type = AT_IGNORE; |
| 925 | break; |
| 926 | |
| 927 | } |
| 928 | } |
| 929 | *auxv = *orig_auxv; |
| 930 | vg_assert(auxv->a_type == AT_NULL); |
| 931 | |
| 932 | vg_assert((strtab-stringbase) == stringsize); |
| 933 | |
nethercote | 5ee67ca | 2004-06-22 14:00:09 +0000 | [diff] [blame] | 934 | /* We know the initial ESP is pointing at argc/argv */ |
| 935 | VG_(client_argc) = *(Int*)cl_esp; |
sewardj | 45f02c4 | 2005-02-05 18:27:14 +0000 | [diff] [blame] | 936 | VG_(client_argv) = (Char**)(cl_esp + sizeof(HWord)); |
nethercote | 5ee67ca | 2004-06-22 14:00:09 +0000 | [diff] [blame] | 937 | |
sewardj | 79048ce | 2005-02-18 08:28:32 +0000 | [diff] [blame] | 938 | if (0) VG_(printf)("startup SP = %p\n", cl_esp); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 939 | return cl_esp; |
| 940 | } |
| 941 | |
| 942 | /*====================================================================*/ |
| 943 | /*=== Find executable ===*/ |
| 944 | /*====================================================================*/ |
| 945 | |
thughes | 4ad52d0 | 2004-06-27 17:37:21 +0000 | [diff] [blame] | 946 | static const char* executable_name; |
| 947 | |
| 948 | static Bool match_executable(const char *entry) { |
| 949 | char buf[strlen(entry) + strlen(executable_name) + 2]; |
| 950 | |
| 951 | /* empty PATH element means . */ |
| 952 | if (*entry == '\0') |
| 953 | entry = "."; |
| 954 | |
| 955 | snprintf(buf, sizeof(buf), "%s/%s", entry, executable_name); |
| 956 | |
| 957 | if (access(buf, R_OK|X_OK) == 0) { |
| 958 | executable_name = strdup(buf); |
| 959 | vg_assert(NULL != executable_name); |
| 960 | return True; |
| 961 | } |
| 962 | return False; |
| 963 | } |
| 964 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 965 | static const char* find_executable(const char* exec) |
| 966 | { |
| 967 | vg_assert(NULL != exec); |
thughes | 4ad52d0 | 2004-06-27 17:37:21 +0000 | [diff] [blame] | 968 | executable_name = exec; |
| 969 | if (strchr(executable_name, '/') == NULL) { |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 970 | /* no '/' - we need to search the path */ |
| 971 | char *path = getenv("PATH"); |
thughes | 4ad52d0 | 2004-06-27 17:37:21 +0000 | [diff] [blame] | 972 | scan_colsep(path, match_executable); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 973 | } |
thughes | 4ad52d0 | 2004-06-27 17:37:21 +0000 | [diff] [blame] | 974 | return executable_name; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 975 | } |
| 976 | |
| 977 | |
| 978 | /*====================================================================*/ |
| 979 | /*=== Loading tools ===*/ |
| 980 | /*====================================================================*/ |
| 981 | |
| 982 | static void list_tools(void) |
| 983 | { |
| 984 | DIR *dir = opendir(VG_(libdir)); |
| 985 | struct dirent *de; |
| 986 | int first = 1; |
| 987 | |
| 988 | if (dir == NULL) { |
| 989 | fprintf(stderr, "Can't open %s: %s (installation problem?)\n", |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 990 | VG_(libdir), strerror(errno)); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 991 | return; |
| 992 | } |
| 993 | |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 994 | while ((de = readdir(dir)) != NULL) { |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 995 | int len = strlen(de->d_name); |
| 996 | |
njn | 063c540 | 2004-11-22 16:58:05 +0000 | [diff] [blame] | 997 | /* look for vgtool_TOOL.so names */ |
| 998 | if (len > (7+1+3) && /* "vgtool_" + at least 1-char toolname + ".so" */ |
| 999 | strncmp(de->d_name, "vgtool_", 7) == 0 && |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 1000 | VG_STREQ(de->d_name + len - 3, ".so")) { |
| 1001 | if (first) { |
| 1002 | fprintf(stderr, "Available tools:\n"); |
| 1003 | first = 0; |
| 1004 | } |
| 1005 | de->d_name[len-3] = '\0'; |
| 1006 | fprintf(stderr, "\t%s\n", de->d_name+7); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1007 | } |
| 1008 | } |
| 1009 | |
| 1010 | closedir(dir); |
| 1011 | |
| 1012 | if (first) |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 1013 | fprintf(stderr, "No tools available in \"%s\" (installation problem?)\n", |
| 1014 | VG_(libdir)); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1015 | } |
| 1016 | |
| 1017 | |
| 1018 | /* Find and load a tool, and check it looks ok. Also looks to see if there's |
| 1019 | * a matching vgpreload_*.so file, and returns its name in *preloadpath. */ |
njn | 8a97c6d | 2005-03-31 04:37:24 +0000 | [diff] [blame] | 1020 | static void load_tool( const char *toolname, |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1021 | ToolInfo** toolinfo_out, char **preloadpath_out ) |
| 1022 | { |
| 1023 | Bool ok; |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 1024 | int len = strlen(VG_(libdir)) + strlen(toolname) + 16; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1025 | char buf[len]; |
| 1026 | void* handle; |
| 1027 | ToolInfo* toolinfo; |
| 1028 | char* preloadpath = NULL; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1029 | |
| 1030 | // XXX: allowing full paths for --tool option -- does it make sense? |
| 1031 | // Doesn't allow for vgpreload_<tool>.so. |
| 1032 | |
| 1033 | if (strchr(toolname, '/') != 0) { |
| 1034 | /* toolname contains '/', and so must be a pathname */ |
| 1035 | handle = dlopen(toolname, RTLD_NOW); |
| 1036 | } else { |
| 1037 | /* just try in the libdir */ |
njn | 063c540 | 2004-11-22 16:58:05 +0000 | [diff] [blame] | 1038 | snprintf(buf, len, "%s/vgtool_%s.so", VG_(libdir), toolname); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1039 | handle = dlopen(buf, RTLD_NOW); |
| 1040 | |
| 1041 | if (handle != NULL) { |
| 1042 | snprintf(buf, len, "%s/vgpreload_%s.so", VG_(libdir), toolname); |
| 1043 | if (access(buf, R_OK) == 0) { |
| 1044 | preloadpath = strdup(buf); |
| 1045 | vg_assert(NULL != preloadpath); |
| 1046 | } |
| 1047 | } |
| 1048 | } |
| 1049 | |
| 1050 | ok = (NULL != handle); |
| 1051 | if (!ok) { |
| 1052 | fprintf(stderr, "Can't open tool \"%s\": %s\n", toolname, dlerror()); |
| 1053 | goto bad_load; |
| 1054 | } |
| 1055 | |
njn | 51d827b | 2005-05-09 01:02:08 +0000 | [diff] [blame] | 1056 | toolinfo = dlsym(handle, "vgPlain_tool_info"); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1057 | ok = (NULL != toolinfo); |
| 1058 | if (!ok) { |
njn | 51d827b | 2005-05-09 01:02:08 +0000 | [diff] [blame] | 1059 | fprintf(stderr, "Tool \"%s\" doesn't define its ToolInfo - " |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1060 | "add VG_DETERMINE_INTERFACE_VERSION?\n", toolname); |
| 1061 | goto bad_load; |
| 1062 | } |
| 1063 | |
| 1064 | ok = (toolinfo->sizeof_ToolInfo == sizeof(*toolinfo) && |
njn | 51d827b | 2005-05-09 01:02:08 +0000 | [diff] [blame] | 1065 | toolinfo->interface_version == VG_CORE_INTERFACE_VERSION && |
| 1066 | toolinfo->tl_pre_clo_init != NULL); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1067 | if (!ok) { |
| 1068 | fprintf(stderr, "Error:\n" |
| 1069 | " Tool and core interface versions do not match.\n" |
njn | 51d827b | 2005-05-09 01:02:08 +0000 | [diff] [blame] | 1070 | " Interface version used by core is: %d (size %d)\n" |
| 1071 | " Interface version used by tool is: %d (size %d)\n" |
| 1072 | " The version numbers must match.\n", |
| 1073 | VG_CORE_INTERFACE_VERSION, |
nethercote | 545fe67 | 2004-11-01 16:52:43 +0000 | [diff] [blame] | 1074 | (Int)sizeof(*toolinfo), |
njn | 51d827b | 2005-05-09 01:02:08 +0000 | [diff] [blame] | 1075 | toolinfo->interface_version, |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1076 | toolinfo->sizeof_ToolInfo); |
| 1077 | fprintf(stderr, " You need to at least recompile, and possibly update,\n"); |
njn | 51d827b | 2005-05-09 01:02:08 +0000 | [diff] [blame] | 1078 | if (VG_CORE_INTERFACE_VERSION > toolinfo->interface_version) |
nethercote | 996901a | 2004-08-03 13:29:09 +0000 | [diff] [blame] | 1079 | fprintf(stderr, " your tool to work with this version of Valgrind.\n"); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1080 | else |
nethercote | 996901a | 2004-08-03 13:29:09 +0000 | [diff] [blame] | 1081 | fprintf(stderr, " your version of Valgrind to work with this tool.\n"); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1082 | goto bad_load; |
| 1083 | } |
| 1084 | |
njn | 8a97c6d | 2005-03-31 04:37:24 +0000 | [diff] [blame] | 1085 | vg_assert(NULL != toolinfo); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1086 | *toolinfo_out = toolinfo; |
| 1087 | *preloadpath_out = preloadpath; |
| 1088 | return; |
| 1089 | |
| 1090 | |
| 1091 | bad_load: |
| 1092 | if (handle != NULL) |
| 1093 | dlclose(handle); |
| 1094 | |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 1095 | fprintf(stderr, "valgrind: couldn't load tool\n"); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1096 | list_tools(); |
| 1097 | exit(127); |
| 1098 | } |
| 1099 | |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 1100 | |
| 1101 | /*====================================================================*/ |
| 1102 | /*=== Command line errors ===*/ |
| 1103 | /*====================================================================*/ |
| 1104 | |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1105 | static void revert_to_stderr ( void ) |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 1106 | { |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1107 | vg_assert( !VG_(logging_to_socket) ); |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 1108 | VG_(clo_log_fd) = 2; /* stderr */ |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 1109 | } |
| 1110 | |
| 1111 | void VG_(bad_option) ( Char* opt ) |
| 1112 | { |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1113 | revert_to_stderr(); |
njn | 02bc4b8 | 2005-05-15 17:28:26 +0000 | [diff] [blame] | 1114 | VG_(printf)("valgrind: Bad option '%s'; aborting.\n", opt); |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 1115 | VG_(printf)("valgrind: Use --help for more information.\n"); |
| 1116 | VG_(exit)(1); |
| 1117 | } |
| 1118 | |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 1119 | static void missing_prog ( void ) |
| 1120 | { |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1121 | revert_to_stderr(); |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 1122 | VG_(printf)("valgrind: no program specified\n"); |
| 1123 | VG_(printf)("valgrind: Use --help for more information.\n"); |
| 1124 | VG_(exit)(1); |
| 1125 | } |
| 1126 | |
| 1127 | static void config_error ( Char* msg ) |
| 1128 | { |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1129 | revert_to_stderr(); |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 1130 | VG_(printf)("valgrind: Startup or configuration error:\n %s\n", msg); |
| 1131 | VG_(printf)("valgrind: Unable to start up properly. Giving up.\n"); |
| 1132 | VG_(exit)(1); |
| 1133 | } |
| 1134 | |
| 1135 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1136 | /*====================================================================*/ |
| 1137 | /*=== Loading the client ===*/ |
| 1138 | /*====================================================================*/ |
| 1139 | |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 1140 | static void load_client(char* cl_argv[], const char* exec, Int need_help, |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1141 | /*out*/struct exeinfo* info, /*out*/Addr* client_eip) |
| 1142 | { |
| 1143 | // If they didn't specify an executable with --exec, and didn't specify |
| 1144 | // --help, then use client argv[0] (searching $PATH if necessary). |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 1145 | if (NULL == exec && !need_help) { |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1146 | if (cl_argv[0] == NULL || |
| 1147 | ( NULL == (exec = find_executable(cl_argv[0])) ) ) |
| 1148 | { |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 1149 | missing_prog(); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1150 | } |
| 1151 | } |
| 1152 | |
| 1153 | info->map_base = VG_(client_mapbase); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1154 | info->exe_base = VG_(client_base); |
| 1155 | info->exe_end = VG_(client_end); |
| 1156 | info->argv = cl_argv; |
| 1157 | |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 1158 | if (need_help) { |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1159 | VG_(clexecfd) = -1; |
njn | c8c9328 | 2004-11-29 16:05:54 +0000 | [diff] [blame] | 1160 | // Totally zero 'info' before continuing. |
| 1161 | VG_(memset)(info, 0, sizeof(*info)); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1162 | } else { |
| 1163 | Int ret; |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 1164 | /* HACK: assumes VG_(open) always succeeds */ |
| 1165 | VG_(clexecfd) = VG_(open)(exec, VKI_O_RDONLY, VKI_S_IRUSR) |
| 1166 | .val; |
njn | 62ff0f2 | 2005-06-21 23:03:36 +0000 | [diff] [blame] | 1167 | ret = VG_(do_exec)(exec, info); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1168 | if (ret != 0) { |
nethercote | ea147e7 | 2004-07-26 15:43:57 +0000 | [diff] [blame] | 1169 | fprintf(stderr, "valgrind: do_exec(%s) failed: %s\n", |
| 1170 | exec, strerror(ret)); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1171 | exit(127); |
| 1172 | } |
| 1173 | } |
| 1174 | |
| 1175 | /* Copy necessary bits of 'info' that were filled in */ |
| 1176 | *client_eip = info->init_eip; |
| 1177 | VG_(brk_base) = VG_(brk_limit) = info->brkbase; |
| 1178 | } |
| 1179 | |
nethercote | 969ecf1 | 2004-10-13 17:29:01 +0000 | [diff] [blame] | 1180 | /*====================================================================*/ |
| 1181 | /*=== Address space unpadding ===*/ |
| 1182 | /*====================================================================*/ |
| 1183 | |
| 1184 | typedef struct { |
njn | 909c319 | 2005-06-19 15:46:27 +0000 | [diff] [blame] | 1185 | char* killpad_start; |
| 1186 | char* killpad_end; |
| 1187 | struct vki_stat* killpad_padstat; |
nethercote | 969ecf1 | 2004-10-13 17:29:01 +0000 | [diff] [blame] | 1188 | } killpad_extra; |
| 1189 | |
| 1190 | static int killpad(char *segstart, char *segend, const char *perm, off_t off, |
| 1191 | int maj, int min, int ino, void* ex) |
| 1192 | { |
| 1193 | killpad_extra* extra = ex; |
| 1194 | void *b, *e; |
njn | 8340749 | 2005-06-19 16:10:47 +0000 | [diff] [blame] | 1195 | SysRes res; |
nethercote | 969ecf1 | 2004-10-13 17:29:01 +0000 | [diff] [blame] | 1196 | |
| 1197 | vg_assert(NULL != extra->killpad_padstat); |
| 1198 | |
| 1199 | if (extra->killpad_padstat->st_dev != makedev(maj, min) || |
| 1200 | extra->killpad_padstat->st_ino != ino) |
| 1201 | return 1; |
| 1202 | |
| 1203 | if (segend <= extra->killpad_start || segstart >= extra->killpad_end) |
| 1204 | return 1; |
| 1205 | |
| 1206 | if (segstart <= extra->killpad_start) |
| 1207 | b = extra->killpad_start; |
| 1208 | else |
| 1209 | b = segstart; |
| 1210 | |
| 1211 | if (segend >= extra->killpad_end) |
| 1212 | e = extra->killpad_end; |
| 1213 | else |
| 1214 | e = segend; |
| 1215 | |
njn | 8340749 | 2005-06-19 16:10:47 +0000 | [diff] [blame] | 1216 | res = VG_(munmap_native)(b, (char *)e-(char *)b); |
| 1217 | vg_assert(!res.isError); |
nethercote | 969ecf1 | 2004-10-13 17:29:01 +0000 | [diff] [blame] | 1218 | |
| 1219 | return 1; |
| 1220 | } |
| 1221 | |
| 1222 | // Remove padding of 'padfile' from a range of address space. |
sewardj | 2c5ffbe | 2005-03-12 13:32:06 +0000 | [diff] [blame] | 1223 | static void as_unpad(void *start, void *end, int padfile) |
nethercote | 969ecf1 | 2004-10-13 17:29:01 +0000 | [diff] [blame] | 1224 | { |
njn | 909c319 | 2005-06-19 15:46:27 +0000 | [diff] [blame] | 1225 | static struct vki_stat padstat; |
nethercote | 969ecf1 | 2004-10-13 17:29:01 +0000 | [diff] [blame] | 1226 | killpad_extra extra; |
| 1227 | int res; |
| 1228 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 1229 | vg_assert(padfile >= 0); |
nethercote | 969ecf1 | 2004-10-13 17:29:01 +0000 | [diff] [blame] | 1230 | |
njn | 909c319 | 2005-06-19 15:46:27 +0000 | [diff] [blame] | 1231 | res = VG_(fstat)(padfile, &padstat); |
nethercote | 969ecf1 | 2004-10-13 17:29:01 +0000 | [diff] [blame] | 1232 | vg_assert(0 == res); |
| 1233 | extra.killpad_padstat = &padstat; |
| 1234 | extra.killpad_start = start; |
| 1235 | extra.killpad_end = end; |
njn | 62ff0f2 | 2005-06-21 23:03:36 +0000 | [diff] [blame] | 1236 | VG_(foreach_map)(killpad, &extra); |
nethercote | 969ecf1 | 2004-10-13 17:29:01 +0000 | [diff] [blame] | 1237 | } |
| 1238 | |
sewardj | 2c5ffbe | 2005-03-12 13:32:06 +0000 | [diff] [blame] | 1239 | static void as_closepadfile(int padfile) |
nethercote | 969ecf1 | 2004-10-13 17:29:01 +0000 | [diff] [blame] | 1240 | { |
| 1241 | int res = close(padfile); |
| 1242 | vg_assert(0 == res); |
| 1243 | } |
| 1244 | |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 1245 | /*====================================================================*/ |
| 1246 | /*=== Command-line: variables, processing, etc ===*/ |
| 1247 | /*====================================================================*/ |
| 1248 | |
| 1249 | // See pub_{core,tool}_options.h for explanations of all these. |
| 1250 | |
sewardj | 2c5ffbe | 2005-03-12 13:32:06 +0000 | [diff] [blame] | 1251 | static void usage ( Bool debug_help ) |
njn | 7cf0bd3 | 2002-06-08 13:36:03 +0000 | [diff] [blame] | 1252 | { |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1253 | Char* usage1 = |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1254 | "usage: valgrind --tool=<toolname> [options] prog-and-args\n" |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1255 | "\n" |
nethercote | 2b0793f | 2003-12-02 10:41:18 +0000 | [diff] [blame] | 1256 | " common user options for all Valgrind tools, with defaults in [ ]:\n" |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 1257 | " --tool=<name> use the Valgrind tool named <name> [memcheck]\n" |
nethercote | a76368b | 2004-06-16 11:56:29 +0000 | [diff] [blame] | 1258 | " -h --help show this message\n" |
nethercote | 6c999f2 | 2004-01-31 22:55:15 +0000 | [diff] [blame] | 1259 | " --help-debug show this message, plus debugging options\n" |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1260 | " --version show version\n" |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1261 | " -q --quiet run silently; only print error msgs\n" |
| 1262 | " -v --verbose be more verbose, incl counts of errors\n" |
nethercote | 77eba60 | 2003-11-13 17:35:04 +0000 | [diff] [blame] | 1263 | " --trace-children=no|yes Valgrind-ise child processes? [no]\n" |
nethercote | 0d58850 | 2004-06-21 13:27:11 +0000 | [diff] [blame] | 1264 | " --track-fds=no|yes track open file descriptors? [no]\n" |
thughes | 6233a38 | 2004-08-21 11:10:44 +0000 | [diff] [blame] | 1265 | " --time-stamp=no|yes add timestamps to log messages? [no]\n" |
njn | ce54555 | 2005-07-25 22:36:52 +0000 | [diff] [blame] | 1266 | " --log-fd=<number> log messages to file descriptor [2=stderr]\n" |
| 1267 | " --log-file=<file> log messages to <file>.pid<pid>\n" |
| 1268 | " --log-file-exactly=<file> log messages to <file>\n" |
| 1269 | " --log-file-qualifier=<VAR> incorporate $VAR in logfile name [none]\n" |
| 1270 | " --log-socket=ipaddr:port log messages to socket ipaddr:port\n" |
nethercote | 2b0793f | 2003-12-02 10:41:18 +0000 | [diff] [blame] | 1271 | "\n" |
| 1272 | " uncommon user options for all Valgrind tools:\n" |
nethercote | 0d58850 | 2004-06-21 13:27:11 +0000 | [diff] [blame] | 1273 | " --run-libc-freeres=no|yes free up glibc memory at exit? [yes]\n" |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 1274 | " --weird-hacks=hack1,hack2,... recognised hacks: lax-ioctls,ioctl-mmap [none]\n" |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1275 | " --pointercheck=no|yes enforce client address space limits [yes]\n" |
sewardj | b1131a8 | 2005-03-19 15:12:21 +0000 | [diff] [blame] | 1276 | " --show-emwarns=no|yes show warnings about emulation limits? [no]\n" |
sewardj | 6c3a219 | 2005-07-24 07:00:45 +0000 | [diff] [blame] | 1277 | " --smc-check=none|stack|all checks for self-modifying code: none,\n" |
| 1278 | " only for code found in stacks, or all [stack]\n" |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1279 | "\n" |
nethercote | 2b0793f | 2003-12-02 10:41:18 +0000 | [diff] [blame] | 1280 | " user options for Valgrind tools that report errors:\n" |
njn | ce54555 | 2005-07-25 22:36:52 +0000 | [diff] [blame] | 1281 | " --xml=yes all output is in XML (Memcheck/Nulgrind only)\n" |
njn | c8ec9f8 | 2005-07-20 03:03:28 +0000 | [diff] [blame] | 1282 | " --xml-user-comment=STR copy STR verbatim to XML output\n" |
nethercote | 2b0793f | 2003-12-02 10:41:18 +0000 | [diff] [blame] | 1283 | " --demangle=no|yes automatically demangle C++ names? [yes]\n" |
njn | cc6cc14 | 2005-03-12 20:59:29 +0000 | [diff] [blame] | 1284 | " --num-callers=<number> show <num> callers in stack traces [12]\n" |
nethercote | 2b0793f | 2003-12-02 10:41:18 +0000 | [diff] [blame] | 1285 | " --error-limit=no|yes stop showing new errors if too many? [yes]\n" |
| 1286 | " --show-below-main=no|yes continue stack traces below main() [no]\n" |
| 1287 | " --suppressions=<filename> suppress errors described in <filename>\n" |
sewardj | d153fae | 2005-01-10 17:24:47 +0000 | [diff] [blame] | 1288 | " --gen-suppressions=no|yes|all print suppressions for errors? [no]\n" |
nethercote | 04d0fbc | 2004-01-26 16:48:06 +0000 | [diff] [blame] | 1289 | " --db-attach=no|yes start debugger when errors detected? [no]\n" |
| 1290 | " --db-command=<command> command to start debugger [gdb -nw %%f %%p]\n" |
| 1291 | " --input-fd=<number> file descriptor for input [0=stdin]\n" |
sewardj | 97724e5 | 2005-04-02 23:40:59 +0000 | [diff] [blame] | 1292 | " --max-stackframe=<number> assume stack switch for SP changes larger\n" |
| 1293 | " than <number> bytes [2000000]\n" |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1294 | "\n"; |
njn | 7cf0bd3 | 2002-06-08 13:36:03 +0000 | [diff] [blame] | 1295 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1296 | Char* usage2 = |
| 1297 | "\n" |
nethercote | 2b0793f | 2003-12-02 10:41:18 +0000 | [diff] [blame] | 1298 | " debugging options for all Valgrind tools:\n" |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1299 | " --sanity-level=<number> level of sanity checking to do [1]\n" |
nethercote | 137bc55 | 2003-11-14 17:47:54 +0000 | [diff] [blame] | 1300 | " --profile=no|yes profile? (tool must be built for it) [no]\n" |
sewardj | fa8ec11 | 2005-01-19 11:55:34 +0000 | [diff] [blame] | 1301 | " --trace-flags=<XXXXXXXX> show generated code? (X = 0|1) [00000000]\n" |
| 1302 | " --profile-flags=<XXXXXXXX> ditto, but for profiling (X = 0|1) [00000000]\n" |
sewardj | c771b29 | 2004-11-30 18:55:21 +0000 | [diff] [blame] | 1303 | " --trace-notbelow=<number> only show BBs above <number> [0]\n" |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1304 | " --trace-syscalls=no|yes show all system calls? [no]\n" |
| 1305 | " --trace-signals=no|yes show signal handling details? [no]\n" |
| 1306 | " --trace-symtab=no|yes show symbol table details? [no]\n" |
sewardj | ce058b0 | 2005-05-01 08:55:38 +0000 | [diff] [blame] | 1307 | " --trace-cfi=no|yes show call-frame-info details? [no]\n" |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1308 | " --trace-sched=no|yes show thread scheduler details? [no]\n" |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1309 | " --wait-for-gdb=yes|no pause on startup to wait for gdb attach\n" |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 1310 | #if 0 |
| 1311 | " --model-pthreads=yes|no model the pthreads library [no]\n" |
| 1312 | #endif |
| 1313 | " --command-line-only=no|yes only use command line options [no]\n" |
njn | 613812e | 2005-03-11 04:57:30 +0000 | [diff] [blame] | 1314 | "\n" |
| 1315 | " --vex-iropt-verbosity 0 .. 9 [0]\n" |
| 1316 | " --vex-iropt-level 0 .. 2 [2]\n" |
| 1317 | " --vex-iropt-precise-memory-exns [no]\n" |
sewardj | 8b635a4 | 2004-11-22 19:01:47 +0000 | [diff] [blame] | 1318 | " --vex-iropt-unroll-thresh 0 .. 400 [120]\n" |
| 1319 | " --vex-guest-max-insns 1 .. 100 [50]\n" |
| 1320 | " --vex-guest-chase-thresh 0 .. 99 [10]\n" |
| 1321 | "\n" |
sewardj | fa8ec11 | 2005-01-19 11:55:34 +0000 | [diff] [blame] | 1322 | " --trace-flags and --profile-flags values (omit the middle space):\n" |
sewardj | 2a99cf6 | 2004-11-24 10:44:19 +0000 | [diff] [blame] | 1323 | " 1000 0000 show conversion into IR\n" |
| 1324 | " 0100 0000 show after initial opt\n" |
| 1325 | " 0010 0000 show after instrumentation\n" |
| 1326 | " 0001 0000 show after second opt\n" |
| 1327 | " 0000 1000 show after tree building\n" |
| 1328 | " 0000 0100 show selecting insns\n" |
| 1329 | " 0000 0010 show after reg-alloc\n" |
| 1330 | " 0000 0001 show final assembly\n" |
| 1331 | "\n" |
nethercote | 2b0793f | 2003-12-02 10:41:18 +0000 | [diff] [blame] | 1332 | " debugging options for Valgrind tools that report errors\n" |
| 1333 | " --dump-error=<number> show translation for basic block associated\n" |
| 1334 | " with <number>'th error context [0=show none]\n" |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1335 | "\n"; |
njn | 3e88418 | 2003-04-15 13:03:23 +0000 | [diff] [blame] | 1336 | |
| 1337 | Char* usage3 = |
| 1338 | "\n" |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1339 | " Extra options read from ~/.valgrindrc, $VALGRIND_OPTS, ./.valgrindrc\n" |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1340 | "\n" |
njn | 5361242 | 2005-03-12 16:22:54 +0000 | [diff] [blame] | 1341 | " Valgrind is Copyright (C) 2000-2005 Julian Seward et al.\n" |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1342 | " and licensed under the GNU General Public License, version 2.\n" |
| 1343 | " Bug reports, feedback, admiration, abuse, etc, to: %s.\n" |
njn | d04b7c6 | 2002-10-03 14:05:52 +0000 | [diff] [blame] | 1344 | "\n" |
nethercote | 137bc55 | 2003-11-14 17:47:54 +0000 | [diff] [blame] | 1345 | " Tools are copyright and licensed by their authors. See each\n" |
| 1346 | " tool's start-up message for more information.\n" |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1347 | "\n"; |
njn | 7cf0bd3 | 2002-06-08 13:36:03 +0000 | [diff] [blame] | 1348 | |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1349 | // Ensure the message goes to stdout |
| 1350 | VG_(clo_log_fd) = 1; |
| 1351 | vg_assert( !VG_(logging_to_socket) ); |
| 1352 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1353 | VG_(printf)(usage1); |
| 1354 | if (VG_(details).name) { |
| 1355 | VG_(printf)(" user options for %s:\n", VG_(details).name); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1356 | if (VG_(needs).command_line_options) |
njn | 51d827b | 2005-05-09 01:02:08 +0000 | [diff] [blame] | 1357 | VG_TDICT_CALL(tool_print_usage); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1358 | else |
| 1359 | VG_(printf)(" (none)\n"); |
| 1360 | } |
nethercote | 6c999f2 | 2004-01-31 22:55:15 +0000 | [diff] [blame] | 1361 | if (debug_help) { |
| 1362 | VG_(printf)(usage2); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1363 | |
nethercote | 6c999f2 | 2004-01-31 22:55:15 +0000 | [diff] [blame] | 1364 | if (VG_(details).name) { |
| 1365 | VG_(printf)(" debugging options for %s:\n", VG_(details).name); |
| 1366 | |
| 1367 | if (VG_(needs).command_line_options) |
njn | 51d827b | 2005-05-09 01:02:08 +0000 | [diff] [blame] | 1368 | VG_TDICT_CALL(tool_print_debug_usage); |
nethercote | 6c999f2 | 2004-01-31 22:55:15 +0000 | [diff] [blame] | 1369 | else |
| 1370 | VG_(printf)(" (none)\n"); |
| 1371 | } |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1372 | } |
nethercote | 421281e | 2003-11-20 16:20:55 +0000 | [diff] [blame] | 1373 | VG_(printf)(usage3, VG_BUGS_TO); |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 1374 | VG_(exit)(0); |
njn | 7cf0bd3 | 2002-06-08 13:36:03 +0000 | [diff] [blame] | 1375 | } |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1376 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1377 | static void pre_process_cmd_line_options |
nethercote | 6c999f2 | 2004-01-31 22:55:15 +0000 | [diff] [blame] | 1378 | ( Int* need_help, const char** tool, const char** exec ) |
sewardj | 1c1b116 | 2003-02-23 01:25:51 +0000 | [diff] [blame] | 1379 | { |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1380 | UInt i; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1381 | |
sewardj | 8b635a4 | 2004-11-22 19:01:47 +0000 | [diff] [blame] | 1382 | LibVEX_default_VexControl(& VG_(clo_vex_control)); |
| 1383 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1384 | /* parse the options we have (only the options we care about now) */ |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 1385 | for (i = 1; i < vg_argc; i++) { |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1386 | |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 1387 | if (strcmp(vg_argv[i], "--version") == 0) { |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1388 | printf("valgrind-" VERSION "\n"); |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 1389 | exit(0); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1390 | |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 1391 | } else if (VG_CLO_STREQ(vg_argv[i], "--help") || |
| 1392 | VG_CLO_STREQ(vg_argv[i], "-h")) { |
nethercote | 6c999f2 | 2004-01-31 22:55:15 +0000 | [diff] [blame] | 1393 | *need_help = 1; |
| 1394 | |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 1395 | } else if (VG_CLO_STREQ(vg_argv[i], "--help-debug")) { |
nethercote | 6c999f2 | 2004-01-31 22:55:15 +0000 | [diff] [blame] | 1396 | *need_help = 2; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1397 | |
nethercote | f6c99d7 | 2004-11-09 14:35:43 +0000 | [diff] [blame] | 1398 | } else if (VG_CLO_STREQN(7, vg_argv[i], "--tool=")) { |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 1399 | *tool = &vg_argv[i][7]; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1400 | |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 1401 | } else if (VG_CLO_STREQN(7, vg_argv[i], "--exec=")) { |
| 1402 | *exec = &vg_argv[i][7]; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1403 | } |
| 1404 | } |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1405 | } |
| 1406 | |
nethercote | 5ee67ca | 2004-06-22 14:00:09 +0000 | [diff] [blame] | 1407 | static void process_cmd_line_options( UInt* client_auxv, const char* toolname ) |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1408 | { |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 1409 | SysRes sres; |
| 1410 | Int i, eventually_log_fd; |
| 1411 | Int toolname_len = VG_(strlen)(toolname); |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1412 | enum { |
| 1413 | VgLogTo_Fd, |
| 1414 | VgLogTo_File, |
| 1415 | VgLogTo_FileExactly, |
| 1416 | VgLogTo_Socket |
| 1417 | } log_to = VgLogTo_Fd; // Where is logging output to be sent? |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1418 | |
nethercote | e173069 | 2003-11-20 10:38:07 +0000 | [diff] [blame] | 1419 | /* log to stderr by default, but usage message goes to stdout */ |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 1420 | eventually_log_fd = 2; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1421 | |
sewardj | 19d8141 | 2002-06-03 01:10:40 +0000 | [diff] [blame] | 1422 | /* Check for sane path in ./configure --prefix=... */ |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1423 | if (VG_LIBDIR[0] != '/') |
sewardj | 19d8141 | 2002-06-03 01:10:40 +0000 | [diff] [blame] | 1424 | config_error("Please use absolute paths in " |
| 1425 | "./configure --prefix=... or --libdir=..."); |
sewardj | 3817091 | 2002-05-10 21:07:22 +0000 | [diff] [blame] | 1426 | |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 1427 | for (i = 1; i < vg_argc; i++) { |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1428 | |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 1429 | Char* arg = vg_argv[i]; |
thughes | 3bfd5a0 | 2004-07-18 08:05:44 +0000 | [diff] [blame] | 1430 | Char* colon = arg; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1431 | |
thughes | 3bfd5a0 | 2004-07-18 08:05:44 +0000 | [diff] [blame] | 1432 | /* Look for a colon in the switch name */ |
| 1433 | while (*colon && *colon != ':' && *colon != '=') |
| 1434 | colon++; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1435 | |
| 1436 | /* Look for matching "--toolname:foo" */ |
thughes | 3bfd5a0 | 2004-07-18 08:05:44 +0000 | [diff] [blame] | 1437 | if (*colon == ':') { |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1438 | if (VG_CLO_STREQN(2, arg, "--") && |
| 1439 | VG_CLO_STREQN(toolname_len, arg+2, toolname) && |
| 1440 | VG_CLO_STREQN(1, arg+2+toolname_len, ":")) |
| 1441 | { |
| 1442 | // prefix matches, convert "--toolname:foo" to "--foo" |
| 1443 | if (0) |
| 1444 | VG_(printf)("tool-specific arg: %s\n", arg); |
njn | 8c0b3bb | 2005-03-12 21:20:39 +0000 | [diff] [blame] | 1445 | arg = strdup(arg + toolname_len + 1); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1446 | arg[0] = '-'; |
| 1447 | arg[1] = '-'; |
| 1448 | |
| 1449 | } else { |
| 1450 | // prefix doesn't match, skip to next arg |
| 1451 | continue; |
| 1452 | } |
| 1453 | } |
| 1454 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1455 | /* Ignore these options - they've already been handled */ |
njn | 45270a2 | 2005-03-27 01:00:11 +0000 | [diff] [blame] | 1456 | if (VG_CLO_STREQN( 7, arg, "--tool=")) goto skip_arg; |
| 1457 | if (VG_CLO_STREQN( 7, arg, "--exec=")) goto skip_arg; |
| 1458 | if (VG_CLO_STREQN(20, arg, "--command-line-only=")) goto skip_arg; |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1459 | |
njn | 45270a2 | 2005-03-27 01:00:11 +0000 | [diff] [blame] | 1460 | if ( VG_CLO_STREQ(arg, "--")) goto skip_arg; |
nethercote | 27fec90 | 2004-06-16 21:26:32 +0000 | [diff] [blame] | 1461 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1462 | else if (VG_CLO_STREQ(arg, "-v") || |
| 1463 | VG_CLO_STREQ(arg, "--verbose")) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1464 | VG_(clo_verbosity)++; |
nethercote | 27fec90 | 2004-06-16 21:26:32 +0000 | [diff] [blame] | 1465 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1466 | else if (VG_CLO_STREQ(arg, "-q") || |
| 1467 | VG_CLO_STREQ(arg, "--quiet")) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1468 | VG_(clo_verbosity)--; |
| 1469 | |
sewardj | 1cf558c | 2005-04-25 01:36:56 +0000 | [diff] [blame] | 1470 | else if (VG_CLO_STREQ(arg, "-d")) { |
| 1471 | /* do nothing */ |
| 1472 | } |
| 1473 | |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 1474 | else VG_BOOL_CLO(arg, "--xml", VG_(clo_xml)) |
njn | 45270a2 | 2005-03-27 01:00:11 +0000 | [diff] [blame] | 1475 | else VG_BOOL_CLO(arg, "--db-attach", VG_(clo_db_attach)) |
| 1476 | else VG_BOOL_CLO(arg, "--demangle", VG_(clo_demangle)) |
| 1477 | else VG_BOOL_CLO(arg, "--error-limit", VG_(clo_error_limit)) |
| 1478 | else VG_BOOL_CLO(arg, "--pointercheck", VG_(clo_pointercheck)) |
njn | 45270a2 | 2005-03-27 01:00:11 +0000 | [diff] [blame] | 1479 | else VG_BOOL_CLO(arg, "--show-emwarns", VG_(clo_show_emwarns)) |
sewardj | 97724e5 | 2005-04-02 23:40:59 +0000 | [diff] [blame] | 1480 | else VG_NUM_CLO (arg, "--max-stackframe", VG_(clo_max_stackframe)) |
njn | 45270a2 | 2005-03-27 01:00:11 +0000 | [diff] [blame] | 1481 | else VG_BOOL_CLO(arg, "--profile", VG_(clo_profile)) |
| 1482 | else VG_BOOL_CLO(arg, "--run-libc-freeres", VG_(clo_run_libc_freeres)) |
| 1483 | else VG_BOOL_CLO(arg, "--show-below-main", VG_(clo_show_below_main)) |
| 1484 | else VG_BOOL_CLO(arg, "--time-stamp", VG_(clo_time_stamp)) |
| 1485 | else VG_BOOL_CLO(arg, "--track-fds", VG_(clo_track_fds)) |
| 1486 | else VG_BOOL_CLO(arg, "--trace-children", VG_(clo_trace_children)) |
| 1487 | else VG_BOOL_CLO(arg, "--trace-sched", VG_(clo_trace_sched)) |
| 1488 | else VG_BOOL_CLO(arg, "--trace-signals", VG_(clo_trace_signals)) |
| 1489 | else VG_BOOL_CLO(arg, "--trace-symtab", VG_(clo_trace_symtab)) |
sewardj | ce058b0 | 2005-05-01 08:55:38 +0000 | [diff] [blame] | 1490 | else VG_BOOL_CLO(arg, "--trace-cfi", VG_(clo_trace_cfi)) |
njn | 45270a2 | 2005-03-27 01:00:11 +0000 | [diff] [blame] | 1491 | else VG_BOOL_CLO(arg, "--trace-redir", VG_(clo_trace_redir)) |
| 1492 | else VG_BOOL_CLO(arg, "--trace-syscalls", VG_(clo_trace_syscalls)) |
| 1493 | else VG_BOOL_CLO(arg, "--trace-pthreads", VG_(clo_trace_pthreads)) |
| 1494 | else VG_BOOL_CLO(arg, "--wait-for-gdb", VG_(clo_wait_for_gdb)) |
| 1495 | else VG_BOOL_CLO(arg, "--model-pthreads", VG_(clo_model_pthreads)) |
sewardj | 72f98ff | 2002-06-13 17:23:38 +0000 | [diff] [blame] | 1496 | |
njn | 45270a2 | 2005-03-27 01:00:11 +0000 | [diff] [blame] | 1497 | else VG_STR_CLO (arg, "--db-command", VG_(clo_db_command)) |
| 1498 | else VG_STR_CLO (arg, "--weird-hacks", VG_(clo_weird_hacks)) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1499 | |
njn | 45270a2 | 2005-03-27 01:00:11 +0000 | [diff] [blame] | 1500 | else VG_NUM_CLO (arg, "--dump-error", VG_(clo_dump_error)) |
| 1501 | else VG_NUM_CLO (arg, "--input-fd", VG_(clo_input_fd)) |
| 1502 | else VG_NUM_CLO (arg, "--sanity-level", VG_(clo_sanity_level)) |
| 1503 | else VG_BNUM_CLO(arg, "--num-callers", VG_(clo_backtrace_size), 1, |
| 1504 | VG_DEEPEST_BACKTRACE) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1505 | |
sewardj | 6c3a219 | 2005-07-24 07:00:45 +0000 | [diff] [blame] | 1506 | else if (VG_CLO_STREQ(arg, "--smc-check=none")) |
| 1507 | VG_(clo_smc_check) = Vg_SmcNone; |
| 1508 | else if (VG_CLO_STREQ(arg, "--smc-check=stack")) |
| 1509 | VG_(clo_smc_check) = Vg_SmcStack; |
| 1510 | else if (VG_CLO_STREQ(arg, "--smc-check=all")) |
| 1511 | VG_(clo_smc_check) = Vg_SmcAll; |
sewardj | 26412bd | 2005-07-07 10:05:05 +0000 | [diff] [blame] | 1512 | |
njn | 45270a2 | 2005-03-27 01:00:11 +0000 | [diff] [blame] | 1513 | else VG_BNUM_CLO(arg, "--vex-iropt-verbosity", |
sewardj | 8b635a4 | 2004-11-22 19:01:47 +0000 | [diff] [blame] | 1514 | VG_(clo_vex_control).iropt_verbosity, 0, 10) |
njn | 45270a2 | 2005-03-27 01:00:11 +0000 | [diff] [blame] | 1515 | else VG_BNUM_CLO(arg, "--vex-iropt-level", |
sewardj | 8b635a4 | 2004-11-22 19:01:47 +0000 | [diff] [blame] | 1516 | VG_(clo_vex_control).iropt_level, 0, 2) |
njn | 45270a2 | 2005-03-27 01:00:11 +0000 | [diff] [blame] | 1517 | else VG_BOOL_CLO(arg, "--vex-iropt-precise-memory-exns", |
sewardj | 8b635a4 | 2004-11-22 19:01:47 +0000 | [diff] [blame] | 1518 | VG_(clo_vex_control).iropt_precise_memory_exns) |
njn | 45270a2 | 2005-03-27 01:00:11 +0000 | [diff] [blame] | 1519 | else VG_BNUM_CLO(arg, "--vex-iropt-unroll-thresh", |
sewardj | 8b635a4 | 2004-11-22 19:01:47 +0000 | [diff] [blame] | 1520 | VG_(clo_vex_control).iropt_unroll_thresh, 0, 400) |
njn | 45270a2 | 2005-03-27 01:00:11 +0000 | [diff] [blame] | 1521 | else VG_BNUM_CLO(arg, "--vex-guest-max-insns", |
sewardj | 8b635a4 | 2004-11-22 19:01:47 +0000 | [diff] [blame] | 1522 | VG_(clo_vex_control).guest_max_insns, 1, 100) |
njn | 45270a2 | 2005-03-27 01:00:11 +0000 | [diff] [blame] | 1523 | else VG_BNUM_CLO(arg, "--vex-guest-chase-thresh", |
sewardj | 8b635a4 | 2004-11-22 19:01:47 +0000 | [diff] [blame] | 1524 | VG_(clo_vex_control).guest_chase_thresh, 0, 99) |
| 1525 | |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 1526 | else if (VG_CLO_STREQN(9, arg, "--log-fd=")) { |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1527 | log_to = VgLogTo_Fd; |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 1528 | VG_(clo_log_name) = NULL; |
| 1529 | eventually_log_fd = (Int)VG_(atoll)(&arg[9]); |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 1530 | } |
| 1531 | |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 1532 | else if (VG_CLO_STREQN(11, arg, "--log-file=")) { |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1533 | log_to = VgLogTo_File; |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 1534 | VG_(clo_log_name) = &arg[11]; |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 1535 | } |
njn | d6bc3c3 | 2005-03-27 00:44:31 +0000 | [diff] [blame] | 1536 | |
sewardj | ad31116 | 2005-07-19 11:25:02 +0000 | [diff] [blame] | 1537 | else if (VG_CLO_STREQN(11, arg, "--log-file=")) { |
| 1538 | log_to = VgLogTo_File; |
| 1539 | VG_(clo_log_name) = &arg[11]; |
| 1540 | } |
| 1541 | |
| 1542 | else if (VG_CLO_STREQN(21, arg, "--log-file-qualifier=")) { |
| 1543 | VG_(clo_log_file_qualifier) = &arg[21]; |
| 1544 | } |
| 1545 | |
sewardj | 603d410 | 2005-01-11 14:01:02 +0000 | [diff] [blame] | 1546 | else if (VG_CLO_STREQN(19, arg, "--log-file-exactly=")) { |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1547 | log_to = VgLogTo_FileExactly; |
sewardj | 603d410 | 2005-01-11 14:01:02 +0000 | [diff] [blame] | 1548 | VG_(clo_log_name) = &arg[19]; |
| 1549 | } |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1550 | |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 1551 | else if (VG_CLO_STREQN(13, arg, "--log-socket=")) { |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1552 | log_to = VgLogTo_Socket; |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 1553 | VG_(clo_log_name) = &arg[13]; |
sewardj | 73cf3bc | 2002-11-03 03:20:15 +0000 | [diff] [blame] | 1554 | } |
| 1555 | |
sewardj | 768db0e | 2005-07-19 14:18:56 +0000 | [diff] [blame] | 1556 | else if (VG_CLO_STREQN(19, arg, "--xml-user-comment=")) { |
| 1557 | VG_(clo_xml_user_comment) = &arg[19]; |
| 1558 | } |
| 1559 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1560 | else if (VG_CLO_STREQN(15, arg, "--suppressions=")) { |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1561 | if (VG_(clo_n_suppressions) >= VG_CLO_MAX_SFILES) { |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1562 | VG_(message)(Vg_UserMsg, "Too many suppression files specified."); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1563 | VG_(message)(Vg_UserMsg, |
| 1564 | "Increase VG_CLO_MAX_SFILES and recompile."); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1565 | VG_(bad_option)(arg); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1566 | } |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1567 | VG_(clo_suppressions)[VG_(clo_n_suppressions)] = &arg[15]; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1568 | VG_(clo_n_suppressions)++; |
| 1569 | } |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1570 | |
sewardj | fa8ec11 | 2005-01-19 11:55:34 +0000 | [diff] [blame] | 1571 | /* "stuvwxyz" --> stuvwxyz (binary) */ |
| 1572 | else if (VG_CLO_STREQN(14, arg, "--trace-flags=")) { |
| 1573 | Int j; |
| 1574 | char* opt = & arg[14]; |
| 1575 | |
| 1576 | if (8 != VG_(strlen)(opt)) { |
| 1577 | VG_(message)(Vg_UserMsg, |
| 1578 | "--trace-flags argument must have 8 digits"); |
| 1579 | VG_(bad_option)(arg); |
| 1580 | } |
| 1581 | for (j = 0; j < 8; j++) { |
| 1582 | if ('0' == opt[j]) { /* do nothing */ } |
| 1583 | else if ('1' == opt[j]) VG_(clo_trace_flags) |= (1 << (7-j)); |
| 1584 | else { |
| 1585 | VG_(message)(Vg_UserMsg, "--trace-flags argument can only " |
| 1586 | "contain 0s and 1s"); |
| 1587 | VG_(bad_option)(arg); |
| 1588 | } |
| 1589 | } |
| 1590 | } |
| 1591 | |
| 1592 | /* "stuvwxyz" --> stuvwxyz (binary) */ |
| 1593 | else if (VG_CLO_STREQN(16, arg, "--profile-flags=")) { |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1594 | Int j; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1595 | char* opt = & arg[16]; |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1596 | |
sewardj | 2a99cf6 | 2004-11-24 10:44:19 +0000 | [diff] [blame] | 1597 | if (8 != VG_(strlen)(opt)) { |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1598 | VG_(message)(Vg_UserMsg, |
sewardj | fa8ec11 | 2005-01-19 11:55:34 +0000 | [diff] [blame] | 1599 | "--profile-flags argument must have 8 digits"); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1600 | VG_(bad_option)(arg); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1601 | } |
sewardj | 8b635a4 | 2004-11-22 19:01:47 +0000 | [diff] [blame] | 1602 | for (j = 0; j < 8; j++) { |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1603 | if ('0' == opt[j]) { /* do nothing */ } |
sewardj | fa8ec11 | 2005-01-19 11:55:34 +0000 | [diff] [blame] | 1604 | else if ('1' == opt[j]) VG_(clo_profile_flags) |= (1 << (7-j)); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1605 | else { |
sewardj | fa8ec11 | 2005-01-19 11:55:34 +0000 | [diff] [blame] | 1606 | VG_(message)(Vg_UserMsg, "--profile-flags argument can only " |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1607 | "contain 0s and 1s"); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1608 | VG_(bad_option)(arg); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1609 | } |
| 1610 | } |
| 1611 | } |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1612 | |
njn | 45270a2 | 2005-03-27 01:00:11 +0000 | [diff] [blame] | 1613 | else VG_NUM_CLO (arg, "--trace-notbelow", VG_(clo_trace_notbelow)) |
sewardj | c771b29 | 2004-11-30 18:55:21 +0000 | [diff] [blame] | 1614 | |
sewardj | d153fae | 2005-01-10 17:24:47 +0000 | [diff] [blame] | 1615 | else if (VG_CLO_STREQ(arg, "--gen-suppressions=no")) |
| 1616 | VG_(clo_gen_suppressions) = 0; |
| 1617 | else if (VG_CLO_STREQ(arg, "--gen-suppressions=yes")) |
| 1618 | VG_(clo_gen_suppressions) = 1; |
| 1619 | else if (VG_CLO_STREQ(arg, "--gen-suppressions=all")) |
| 1620 | VG_(clo_gen_suppressions) = 2; |
| 1621 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1622 | else if ( ! VG_(needs).command_line_options |
njn | 51d827b | 2005-05-09 01:02:08 +0000 | [diff] [blame] | 1623 | || ! VG_TDICT_CALL(tool_process_cmd_line_option, arg) ) { |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 1624 | VG_(bad_option)(arg); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1625 | } |
njn | 8c0b3bb | 2005-03-12 21:20:39 +0000 | [diff] [blame] | 1626 | skip_arg: |
| 1627 | if (arg != vg_argv[i]) |
| 1628 | free(arg); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1629 | } |
| 1630 | |
sewardj | 998d40d | 2004-12-06 14:24:52 +0000 | [diff] [blame] | 1631 | /* Make VEX control parameters sane */ |
| 1632 | |
| 1633 | if (VG_(clo_vex_control).guest_chase_thresh |
| 1634 | >= VG_(clo_vex_control).guest_max_insns) |
| 1635 | VG_(clo_vex_control).guest_chase_thresh |
| 1636 | = VG_(clo_vex_control).guest_max_insns - 1; |
| 1637 | |
| 1638 | if (VG_(clo_vex_control).guest_chase_thresh < 0) |
| 1639 | VG_(clo_vex_control).guest_chase_thresh = 0; |
| 1640 | |
| 1641 | /* Check various option values */ |
nethercote | 27fec90 | 2004-06-16 21:26:32 +0000 | [diff] [blame] | 1642 | |
njn | f9ebf67 | 2003-05-12 21:41:30 +0000 | [diff] [blame] | 1643 | if (VG_(clo_verbosity) < 0) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1644 | VG_(clo_verbosity) = 0; |
| 1645 | |
nethercote | 04d0fbc | 2004-01-26 16:48:06 +0000 | [diff] [blame] | 1646 | if (VG_(clo_db_attach) && VG_(clo_trace_children)) { |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1647 | VG_(message)(Vg_UserMsg, ""); |
| 1648 | VG_(message)(Vg_UserMsg, |
nethercote | 04d0fbc | 2004-01-26 16:48:06 +0000 | [diff] [blame] | 1649 | "--db-attach=yes conflicts with --trace-children=yes"); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1650 | VG_(message)(Vg_UserMsg, |
| 1651 | "Please choose one or the other, but not both."); |
nethercote | 04d0fbc | 2004-01-26 16:48:06 +0000 | [diff] [blame] | 1652 | VG_(bad_option)("--db-attach=yes and --trace-children=yes"); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1653 | } |
| 1654 | |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1655 | if (VG_(clo_gen_suppressions) > 0 && |
| 1656 | !VG_(needs).core_errors && !VG_(needs).tool_errors) { |
| 1657 | VG_(message)(Vg_UserMsg, |
| 1658 | "Can't use --gen-suppressions= with this tool,"); |
| 1659 | VG_(message)(Vg_UserMsg, |
| 1660 | "as it doesn't generate errors."); |
| 1661 | VG_(bad_option)("--gen-suppressions="); |
| 1662 | } |
| 1663 | |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 1664 | /* If we've been asked to emit XML, mash around various other |
| 1665 | options so as to constrain the output somewhat, and to remove |
| 1666 | any need for user input during the run. */ |
| 1667 | if (VG_(clo_xml)) { |
| 1668 | /* Disable suppression generation (requires user input) */ |
| 1669 | VG_(clo_gen_suppressions) = 0; |
| 1670 | /* Disable attaching to GDB (requires user input) */ |
| 1671 | VG_(clo_db_attach) = False; |
| 1672 | /* Set a known verbosity level */ |
| 1673 | VG_(clo_verbosity) = 1; |
| 1674 | /* Disable error limits (this might be a bad idea!) */ |
| 1675 | VG_(clo_error_limit) = False; |
| 1676 | /* Disable emulation warnings */ |
| 1677 | VG_(clo_show_emwarns) = False; |
| 1678 | /* Disable waiting for GDB to debug Valgrind */ |
| 1679 | VG_(clo_wait_for_gdb) = False; |
| 1680 | /* No file-descriptor leak checking yet */ |
| 1681 | VG_(clo_track_fds) = False; |
sewardj | 21f7f0c | 2005-07-06 19:46:48 +0000 | [diff] [blame] | 1682 | /* Disable timestamped output */ |
| 1683 | VG_(clo_time_stamp) = False; |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 1684 | /* Also, we want to set options for the leak checker, but that |
| 1685 | will have to be done in Memcheck's flag-handling code, not |
| 1686 | here. */ |
| 1687 | } |
| 1688 | |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1689 | /* All non-logging-related options have been checked. If the logging |
| 1690 | option specified is ok, we can switch to it, as we know we won't |
| 1691 | have to generate any other command-line-related error messages. |
| 1692 | (So far we should be still attached to stderr, so we can show on |
| 1693 | the terminal any problems to do with processing command line |
| 1694 | opts.) |
| 1695 | |
| 1696 | So set up logging now. After this is done, VG_(clo_log_fd) |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 1697 | should be connected to whatever sink has been selected, and we |
| 1698 | indiscriminately chuck stuff into it without worrying what the |
| 1699 | nature of it is. Oh the wonder of Unix streams. */ |
| 1700 | |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1701 | vg_assert(VG_(clo_log_fd) == 2 /* stderr */); |
| 1702 | vg_assert(VG_(logging_to_socket) == False); |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 1703 | |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1704 | switch (log_to) { |
sewardj | 73cf3bc | 2002-11-03 03:20:15 +0000 | [diff] [blame] | 1705 | |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 1706 | case VgLogTo_Fd: |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 1707 | vg_assert(VG_(clo_log_name) == NULL); |
| 1708 | VG_(clo_log_fd) = eventually_log_fd; |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 1709 | break; |
sewardj | 73cf3bc | 2002-11-03 03:20:15 +0000 | [diff] [blame] | 1710 | |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 1711 | case VgLogTo_File: { |
sewardj | ad31116 | 2005-07-19 11:25:02 +0000 | [diff] [blame] | 1712 | HChar logfilename[1000]; |
| 1713 | Int seq = 0; |
| 1714 | Int pid = VG_(getpid)(); |
| 1715 | HChar* qual = NULL; |
jsgf | f3c3f1a | 2003-10-14 22:13:28 +0000 | [diff] [blame] | 1716 | |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 1717 | vg_assert(VG_(clo_log_name) != NULL); |
| 1718 | vg_assert(VG_(strlen)(VG_(clo_log_name)) <= 900); /* paranoia */ |
jsgf | f3c3f1a | 2003-10-14 22:13:28 +0000 | [diff] [blame] | 1719 | |
sewardj | ad31116 | 2005-07-19 11:25:02 +0000 | [diff] [blame] | 1720 | if (VG_(clo_log_file_qualifier)) { |
| 1721 | qual = VG_(getenv)(VG_(clo_log_file_qualifier)); |
| 1722 | } |
| 1723 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 1724 | for (;;) { |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 1725 | HChar pidtxt[20], seqtxt[20]; |
| 1726 | |
| 1727 | VG_(sprintf)(pidtxt, "%d", pid); |
| 1728 | |
| 1729 | if (seq == 0) |
| 1730 | seqtxt[0] = 0; |
| 1731 | else |
| 1732 | VG_(sprintf)(seqtxt, ".%d", seq); |
| 1733 | |
jsgf | f3c3f1a | 2003-10-14 22:13:28 +0000 | [diff] [blame] | 1734 | seq++; |
| 1735 | |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 1736 | /* Result: |
| 1737 | if (qual) base_name ++ "." ++ qual ++ seqtxt |
| 1738 | if (not qual) base_name ++ "." ++ pid ++ seqtxt |
| 1739 | */ |
| 1740 | VG_(sprintf)( logfilename, |
| 1741 | "%s.%s%s", |
| 1742 | VG_(clo_log_name), |
| 1743 | qual ? qual : pidtxt, |
| 1744 | seqtxt ); |
| 1745 | |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1746 | // EXCL: it will fail with EEXIST if the file already exists. |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 1747 | sres |
jsgf | f3c3f1a | 2003-10-14 22:13:28 +0000 | [diff] [blame] | 1748 | = VG_(open)(logfilename, |
| 1749 | VKI_O_CREAT|VKI_O_WRONLY|VKI_O_EXCL|VKI_O_TRUNC, |
| 1750 | VKI_S_IRUSR|VKI_S_IWUSR); |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 1751 | if (!sres.isError) { |
| 1752 | eventually_log_fd = sres.val; |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 1753 | VG_(clo_log_fd) = VG_(safe_fd)(eventually_log_fd); |
sewardj | 603d410 | 2005-01-11 14:01:02 +0000 | [diff] [blame] | 1754 | break; /* for (;;) */ |
jsgf | f3c3f1a | 2003-10-14 22:13:28 +0000 | [diff] [blame] | 1755 | } else { |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1756 | // If the file already existed, we try the next name. If it |
| 1757 | // was some other file error, we give up. |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 1758 | if (sres.val != VKI_EEXIST) { |
jsgf | f3c3f1a | 2003-10-14 22:13:28 +0000 | [diff] [blame] | 1759 | VG_(message)(Vg_UserMsg, |
njn | 02bc4b8 | 2005-05-15 17:28:26 +0000 | [diff] [blame] | 1760 | "Can't create/open log file '%s.pid%d'; giving up!", |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 1761 | VG_(clo_log_name), pid); |
jsgf | f3c3f1a | 2003-10-14 22:13:28 +0000 | [diff] [blame] | 1762 | VG_(bad_option)( |
sewardj | 603d410 | 2005-01-11 14:01:02 +0000 | [diff] [blame] | 1763 | "--log-file=<file> (didn't work out for some reason.)"); |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1764 | /*NOTREACHED*/ |
jsgf | f3c3f1a | 2003-10-14 22:13:28 +0000 | [diff] [blame] | 1765 | } |
| 1766 | } |
| 1767 | } |
sewardj | 603d410 | 2005-01-11 14:01:02 +0000 | [diff] [blame] | 1768 | break; /* switch (VG_(clo_log_to)) */ |
| 1769 | } |
| 1770 | |
| 1771 | case VgLogTo_FileExactly: { |
sewardj | 603d410 | 2005-01-11 14:01:02 +0000 | [diff] [blame] | 1772 | vg_assert(VG_(clo_log_name) != NULL); |
| 1773 | vg_assert(VG_(strlen)(VG_(clo_log_name)) <= 900); /* paranoia */ |
sewardj | 603d410 | 2005-01-11 14:01:02 +0000 | [diff] [blame] | 1774 | |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 1775 | sres |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1776 | = VG_(open)(VG_(clo_log_name), |
sewardj | 603d410 | 2005-01-11 14:01:02 +0000 | [diff] [blame] | 1777 | VKI_O_CREAT|VKI_O_WRONLY|VKI_O_TRUNC, |
| 1778 | VKI_S_IRUSR|VKI_S_IWUSR); |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 1779 | if (!sres.isError) { |
| 1780 | eventually_log_fd = sres.val; |
sewardj | 603d410 | 2005-01-11 14:01:02 +0000 | [diff] [blame] | 1781 | VG_(clo_log_fd) = VG_(safe_fd)(eventually_log_fd); |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1782 | } else { |
sewardj | 603d410 | 2005-01-11 14:01:02 +0000 | [diff] [blame] | 1783 | VG_(message)(Vg_UserMsg, |
njn | 02bc4b8 | 2005-05-15 17:28:26 +0000 | [diff] [blame] | 1784 | "Can't create/open log file '%s'; giving up!", |
sewardj | 603d410 | 2005-01-11 14:01:02 +0000 | [diff] [blame] | 1785 | VG_(clo_log_name)); |
| 1786 | VG_(bad_option)( |
| 1787 | "--log-file-exactly=<file> (didn't work out for some reason.)"); |
| 1788 | /*NOTREACHED*/ |
| 1789 | } |
| 1790 | break; /* switch (VG_(clo_log_to)) */ |
sewardj | 73cf3bc | 2002-11-03 03:20:15 +0000 | [diff] [blame] | 1791 | } |
| 1792 | |
| 1793 | case VgLogTo_Socket: { |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 1794 | vg_assert(VG_(clo_log_name) != NULL); |
| 1795 | vg_assert(VG_(strlen)(VG_(clo_log_name)) <= 900); /* paranoia */ |
| 1796 | eventually_log_fd = VG_(connect_via_socket)( VG_(clo_log_name) ); |
| 1797 | if (eventually_log_fd == -1) { |
sewardj | 73cf3bc | 2002-11-03 03:20:15 +0000 | [diff] [blame] | 1798 | VG_(message)(Vg_UserMsg, |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 1799 | "Invalid --log-socket=ipaddr or --log-socket=ipaddr:port spec"); |
sewardj | 73cf3bc | 2002-11-03 03:20:15 +0000 | [diff] [blame] | 1800 | VG_(message)(Vg_UserMsg, |
njn | 02bc4b8 | 2005-05-15 17:28:26 +0000 | [diff] [blame] | 1801 | "of '%s'; giving up!", VG_(clo_log_name) ); |
sewardj | 73cf3bc | 2002-11-03 03:20:15 +0000 | [diff] [blame] | 1802 | VG_(bad_option)( |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 1803 | "--log-socket="); |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1804 | /*NOTREACHED*/ |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 1805 | } |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 1806 | if (eventually_log_fd == -2) { |
sewardj | 73cf3bc | 2002-11-03 03:20:15 +0000 | [diff] [blame] | 1807 | VG_(message)(Vg_UserMsg, |
njn | 02bc4b8 | 2005-05-15 17:28:26 +0000 | [diff] [blame] | 1808 | "valgrind: failed to connect to logging server '%s'.", |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 1809 | VG_(clo_log_name) ); |
sewardj | 570f890 | 2002-11-03 11:44:36 +0000 | [diff] [blame] | 1810 | VG_(message)(Vg_UserMsg, |
| 1811 | "Log messages will sent to stderr instead." ); |
| 1812 | VG_(message)(Vg_UserMsg, |
| 1813 | "" ); |
| 1814 | /* We don't change anything here. */ |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1815 | vg_assert(VG_(clo_log_fd) == 2); |
sewardj | 570f890 | 2002-11-03 11:44:36 +0000 | [diff] [blame] | 1816 | } else { |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 1817 | vg_assert(eventually_log_fd > 0); |
| 1818 | VG_(clo_log_fd) = eventually_log_fd; |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1819 | VG_(logging_to_socket) = True; |
sewardj | 570f890 | 2002-11-03 11:44:36 +0000 | [diff] [blame] | 1820 | } |
sewardj | 73cf3bc | 2002-11-03 03:20:15 +0000 | [diff] [blame] | 1821 | break; |
| 1822 | } |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 1823 | } |
| 1824 | |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 1825 | |
| 1826 | /* Check that the requested tool actually supports XML output. */ |
cerion | 3965520 | 2005-07-13 14:18:24 +0000 | [diff] [blame] | 1827 | if (VG_(clo_xml) && 0 != VG_(strcmp)(toolname, "memcheck") |
| 1828 | && 0 != VG_(strcmp)(toolname, "none")) { |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 1829 | VG_(clo_xml) = False; |
| 1830 | VG_(message)(Vg_UserMsg, |
cerion | 3965520 | 2005-07-13 14:18:24 +0000 | [diff] [blame] | 1831 | "Currently only Memcheck|None supports XML output."); |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 1832 | VG_(bad_option)("--xml=yes"); |
| 1833 | /*NOTREACHED*/ |
| 1834 | } |
| 1835 | |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1836 | // Move log_fd into the safe range, so it doesn't conflict with any app fds. |
| 1837 | // XXX: this is more or less duplicating the behaviour of the calls to |
| 1838 | // VG_(safe_fd)() above, although this does not close the original fd. |
| 1839 | // Perhaps the VG_(safe_fd)() calls above should be removed, and this |
| 1840 | // code should be replaced with a call to VG_(safe_fd)(). --njn |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 1841 | eventually_log_fd = VG_(fcntl)(VG_(clo_log_fd), VKI_F_DUPFD, VG_(fd_hard_limit)); |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 1842 | if (eventually_log_fd < 0) |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1843 | VG_(message)(Vg_UserMsg, "valgrind: failed to move logfile fd into safe range"); |
| 1844 | else { |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 1845 | VG_(clo_log_fd) = eventually_log_fd; |
| 1846 | VG_(fcntl)(VG_(clo_log_fd), VKI_F_SETFD, VKI_FD_CLOEXEC); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1847 | } |
| 1848 | |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 1849 | /* Ok, the logging sink is running now. Print a suitable preamble. |
| 1850 | If logging to file or a socket, write details of parent PID and |
| 1851 | command line args, to help people trying to interpret the |
| 1852 | results of a run which encompasses multiple processes. */ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1853 | |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 1854 | if (VG_(clo_xml)) { |
sewardj | 8665d8e | 2005-06-01 17:35:23 +0000 | [diff] [blame] | 1855 | VG_(message)(Vg_UserMsg, "<?xml version=\"1.0\"?>"); |
| 1856 | VG_(message)(Vg_UserMsg, ""); |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 1857 | VG_(message)(Vg_UserMsg, "<valgrindoutput>"); |
| 1858 | VG_(message)(Vg_UserMsg, ""); |
| 1859 | VG_(message)(Vg_UserMsg, "<protocolversion>1</protocolversion>"); |
| 1860 | VG_(message)(Vg_UserMsg, ""); |
| 1861 | } |
| 1862 | |
sewardj | d7bddad | 2005-06-13 16:48:32 +0000 | [diff] [blame] | 1863 | HChar* xpre = VG_(clo_xml) ? " <line>" : ""; |
| 1864 | HChar* xpost = VG_(clo_xml) ? "</line>" : ""; |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 1865 | |
sewardj | 83adf41 | 2002-05-01 01:25:45 +0000 | [diff] [blame] | 1866 | if (VG_(clo_verbosity > 0)) { |
sewardj | d7bddad | 2005-06-13 16:48:32 +0000 | [diff] [blame] | 1867 | |
| 1868 | if (VG_(clo_xml)) |
| 1869 | VG_(message)(Vg_UserMsg, "<preamble>"); |
| 1870 | |
nethercote | 996901a | 2004-08-03 13:29:09 +0000 | [diff] [blame] | 1871 | /* Tool details */ |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 1872 | VG_(message)(Vg_UserMsg, "%s%s%s%s, %s.%s", |
| 1873 | xpre, |
njn | d04b7c6 | 2002-10-03 14:05:52 +0000 | [diff] [blame] | 1874 | VG_(details).name, |
njn | b9c427c | 2004-12-01 14:14:42 +0000 | [diff] [blame] | 1875 | NULL == VG_(details).version ? "" : "-", |
njn | d04b7c6 | 2002-10-03 14:05:52 +0000 | [diff] [blame] | 1876 | NULL == VG_(details).version |
| 1877 | ? (Char*)"" : VG_(details).version, |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 1878 | VG_(details).description, |
| 1879 | xpost); |
| 1880 | VG_(message)(Vg_UserMsg, "%s%s%s", |
| 1881 | xpre, VG_(details).copyright_author, xpost); |
sewardj | 3b2736a | 2002-03-24 12:18:35 +0000 | [diff] [blame] | 1882 | |
njn | d04b7c6 | 2002-10-03 14:05:52 +0000 | [diff] [blame] | 1883 | /* Core details */ |
| 1884 | VG_(message)(Vg_UserMsg, |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 1885 | "%sUsing LibVEX rev %s, a library for dynamic binary translation.%s", |
| 1886 | xpre, LibVEX_Version(), xpost ); |
sewardj | c702533 | 2004-12-13 18:30:39 +0000 | [diff] [blame] | 1887 | VG_(message)(Vg_UserMsg, |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 1888 | "%sCopyright (C) 2004-2005, and GNU GPL'd, by OpenWorks LLP.%s", |
| 1889 | xpre, xpost ); |
sewardj | c702533 | 2004-12-13 18:30:39 +0000 | [diff] [blame] | 1890 | VG_(message)(Vg_UserMsg, |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 1891 | "%sUsing valgrind-%s, a dynamic binary instrumentation framework.%s", |
| 1892 | xpre, VERSION, xpost); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1893 | VG_(message)(Vg_UserMsg, |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 1894 | "%sCopyright (C) 2000-2005, and GNU GPL'd, by Julian Seward et al.%s", |
| 1895 | xpre, xpost ); |
sewardj | d7bddad | 2005-06-13 16:48:32 +0000 | [diff] [blame] | 1896 | |
| 1897 | if (VG_(clo_xml)) |
| 1898 | VG_(message)(Vg_UserMsg, "</preamble>"); |
njn | d04b7c6 | 2002-10-03 14:05:52 +0000 | [diff] [blame] | 1899 | } |
| 1900 | |
sewardj | d94b90a | 2005-06-29 23:15:56 +0000 | [diff] [blame] | 1901 | if (!VG_(clo_xml) && VG_(clo_verbosity) > 0 && log_to != VgLogTo_Fd) { |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 1902 | VG_(message)(Vg_UserMsg, ""); |
| 1903 | VG_(message)(Vg_UserMsg, |
| 1904 | "My PID = %d, parent PID = %d. Prog and args are:", |
| 1905 | VG_(getpid)(), VG_(getppid)() ); |
| 1906 | for (i = 0; i < VG_(client_argc); i++) |
| 1907 | VG_(message)(Vg_UserMsg, " %s", VG_(client_argv)[i]); |
sewardj | 5b742c3 | 2005-07-26 23:43:26 +0000 | [diff] [blame^] | 1908 | if (VG_(clo_log_file_qualifier)) { |
| 1909 | HChar* val = VG_(getenv)(VG_(clo_log_file_qualifier)); |
| 1910 | VG_(message)(Vg_UserMsg, ""); |
| 1911 | VG_(message)(Vg_UserMsg, "Log file qualifier: var %s, value %s.", |
| 1912 | VG_(clo_log_file_qualifier), |
| 1913 | val ? val : ""); |
| 1914 | } |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 1915 | } |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 1916 | else |
| 1917 | if (VG_(clo_xml)) { |
| 1918 | VG_(message)(Vg_UserMsg, ""); |
| 1919 | VG_(message)(Vg_UserMsg, "<pid>%d</pid>", VG_(getpid)()); |
| 1920 | VG_(message)(Vg_UserMsg, "<ppid>%d</ppid>", VG_(getppid)()); |
sewardj | 97f7e0c | 2005-07-19 15:00:25 +0000 | [diff] [blame] | 1921 | VG_(message)(Vg_UserMsg, "<tool>%t</tool>", toolname); |
sewardj | ad31116 | 2005-07-19 11:25:02 +0000 | [diff] [blame] | 1922 | if (VG_(clo_log_file_qualifier)) { |
| 1923 | HChar* val = VG_(getenv)(VG_(clo_log_file_qualifier)); |
sewardj | 97f7e0c | 2005-07-19 15:00:25 +0000 | [diff] [blame] | 1924 | VG_(message)(Vg_UserMsg, "<logfilequalifier> <var>%t</var> " |
| 1925 | "<value>%t</value> </logfilequalifier>", |
sewardj | ad31116 | 2005-07-19 11:25:02 +0000 | [diff] [blame] | 1926 | VG_(clo_log_file_qualifier), |
| 1927 | val ? val : ""); |
| 1928 | } |
sewardj | 768db0e | 2005-07-19 14:18:56 +0000 | [diff] [blame] | 1929 | if (VG_(clo_xml_user_comment)) { |
| 1930 | /* Note: the user comment itself is XML and is therefore to |
| 1931 | be passed through verbatim (%s) rather than escaped |
| 1932 | (%t). */ |
| 1933 | VG_(message)(Vg_UserMsg, "<usercomment>%s</usercomment>", |
| 1934 | VG_(clo_xml_user_comment)); |
| 1935 | } |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 1936 | VG_(message)(Vg_UserMsg, ""); |
sewardj | b8a3dac | 2005-07-19 12:39:11 +0000 | [diff] [blame] | 1937 | VG_(message)(Vg_UserMsg, "<args>"); |
| 1938 | VG_(message)(Vg_UserMsg, " <vargv>"); |
| 1939 | for (i = 0; i < vg_argc; i++) { |
| 1940 | HChar* tag = i==0 ? "exe" : "arg"; |
sewardj | 768db0e | 2005-07-19 14:18:56 +0000 | [diff] [blame] | 1941 | VG_(message)(Vg_UserMsg, " <%s>%t</%s>", |
sewardj | b8a3dac | 2005-07-19 12:39:11 +0000 | [diff] [blame] | 1942 | tag, vg_argv[i], tag); |
| 1943 | } |
| 1944 | VG_(message)(Vg_UserMsg, " </vargv>"); |
| 1945 | VG_(message)(Vg_UserMsg, " <argv>"); |
sewardj | 8665d8e | 2005-06-01 17:35:23 +0000 | [diff] [blame] | 1946 | for (i = 0; i < VG_(client_argc); i++) { |
| 1947 | HChar* tag = i==0 ? "exe" : "arg"; |
sewardj | 97f7e0c | 2005-07-19 15:00:25 +0000 | [diff] [blame] | 1948 | VG_(message)(Vg_UserMsg, " <%s>%t</%s>", |
sewardj | 8665d8e | 2005-06-01 17:35:23 +0000 | [diff] [blame] | 1949 | tag, VG_(client_argv)[i], tag); |
| 1950 | } |
sewardj | b8a3dac | 2005-07-19 12:39:11 +0000 | [diff] [blame] | 1951 | VG_(message)(Vg_UserMsg, " </argv>"); |
| 1952 | VG_(message)(Vg_UserMsg, "</args>"); |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 1953 | } |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 1954 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1955 | if (VG_(clo_verbosity) > 1) { |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 1956 | SysRes fd; |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1957 | if (log_to != VgLogTo_Fd) |
njn | 1fd5eb2 | 2005-03-13 05:43:23 +0000 | [diff] [blame] | 1958 | VG_(message)(Vg_DebugMsg, ""); |
| 1959 | VG_(message)(Vg_DebugMsg, "Valgrind library directory: %s", VG_(libdir)); |
| 1960 | VG_(message)(Vg_DebugMsg, "Command line"); |
njn | 86dc2bc | 2003-09-09 07:26:21 +0000 | [diff] [blame] | 1961 | for (i = 0; i < VG_(client_argc); i++) |
njn | 1fd5eb2 | 2005-03-13 05:43:23 +0000 | [diff] [blame] | 1962 | VG_(message)(Vg_DebugMsg, " %s", VG_(client_argv)[i]); |
njn | 86dc2bc | 2003-09-09 07:26:21 +0000 | [diff] [blame] | 1963 | |
njn | 1fd5eb2 | 2005-03-13 05:43:23 +0000 | [diff] [blame] | 1964 | VG_(message)(Vg_DebugMsg, "Startup, with flags:"); |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 1965 | for (i = 1; i < vg_argc; i++) { |
njn | 1fd5eb2 | 2005-03-13 05:43:23 +0000 | [diff] [blame] | 1966 | VG_(message)(Vg_DebugMsg, " %s", vg_argv[i]); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1967 | } |
nethercote | a70f735 | 2004-04-18 12:08:46 +0000 | [diff] [blame] | 1968 | |
njn | 1fd5eb2 | 2005-03-13 05:43:23 +0000 | [diff] [blame] | 1969 | VG_(message)(Vg_DebugMsg, "Contents of /proc/version:"); |
nethercote | a70f735 | 2004-04-18 12:08:46 +0000 | [diff] [blame] | 1970 | fd = VG_(open) ( "/proc/version", VKI_O_RDONLY, 0 ); |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 1971 | if (fd.isError) { |
njn | 1fd5eb2 | 2005-03-13 05:43:23 +0000 | [diff] [blame] | 1972 | VG_(message)(Vg_DebugMsg, " can't open /proc/version"); |
nethercote | a70f735 | 2004-04-18 12:08:46 +0000 | [diff] [blame] | 1973 | } else { |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 1974 | # define BUF_LEN 256 |
nethercote | a70f735 | 2004-04-18 12:08:46 +0000 | [diff] [blame] | 1975 | Char version_buf[BUF_LEN]; |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 1976 | Int n = VG_(read) ( fd.val, version_buf, BUF_LEN ); |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 1977 | vg_assert(n <= BUF_LEN); |
nethercote | a70f735 | 2004-04-18 12:08:46 +0000 | [diff] [blame] | 1978 | if (n > 0) { |
| 1979 | version_buf[n-1] = '\0'; |
njn | 1fd5eb2 | 2005-03-13 05:43:23 +0000 | [diff] [blame] | 1980 | VG_(message)(Vg_DebugMsg, " %s", version_buf); |
nethercote | a70f735 | 2004-04-18 12:08:46 +0000 | [diff] [blame] | 1981 | } else { |
njn | 1fd5eb2 | 2005-03-13 05:43:23 +0000 | [diff] [blame] | 1982 | VG_(message)(Vg_DebugMsg, " (empty?)"); |
nethercote | a70f735 | 2004-04-18 12:08:46 +0000 | [diff] [blame] | 1983 | } |
sewardj | 9264559 | 2005-07-23 09:18:34 +0000 | [diff] [blame] | 1984 | VG_(close)(fd.val); |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 1985 | # undef BUF_LEN |
nethercote | a70f735 | 2004-04-18 12:08:46 +0000 | [diff] [blame] | 1986 | } |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1987 | } |
| 1988 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1989 | if (VG_(clo_n_suppressions) < VG_CLO_MAX_SFILES-1 && |
njn | 95ec870 | 2004-11-22 16:46:13 +0000 | [diff] [blame] | 1990 | (VG_(needs).core_errors || VG_(needs).tool_errors)) { |
njn | 842c26e | 2005-06-28 02:54:52 +0000 | [diff] [blame] | 1991 | /* If we haven't reached the max number of suppressions, load |
| 1992 | the default one. */ |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1993 | static const Char default_supp[] = "default.supp"; |
| 1994 | Int len = VG_(strlen)(VG_(libdir)) + 1 + sizeof(default_supp); |
| 1995 | Char *buf = VG_(arena_malloc)(VG_AR_CORE, len); |
| 1996 | VG_(sprintf)(buf, "%s/%s", VG_(libdir), default_supp); |
| 1997 | VG_(clo_suppressions)[VG_(clo_n_suppressions)] = buf; |
| 1998 | VG_(clo_n_suppressions)++; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1999 | } |
| 2000 | } |
| 2001 | |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 2002 | // Build the string for VALGRINDCLO. |
| 2003 | Char* VG_(build_child_VALGRINDCLO)( Char* exename ) |
| 2004 | { |
| 2005 | /* If we're tracing the children, then we need to start it |
| 2006 | with our starter+arguments, which are copied into VALGRINDCLO, |
| 2007 | except the --exec= option is changed if present. |
| 2008 | */ |
| 2009 | Int i; |
| 2010 | Char *exec; |
| 2011 | Char *cp; |
| 2012 | Char *optvar; |
| 2013 | Int optlen, execlen; |
| 2014 | |
| 2015 | // All these allocated blocks are not free - because we're either |
| 2016 | // going to exec, or panic when we fail. |
| 2017 | |
| 2018 | // Create --exec= option: "--exec=<exename>" |
| 2019 | exec = VG_(arena_malloc)(VG_AR_CORE, |
| 2020 | VG_(strlen)( exename ) + 7/*--exec=*/ + 1/*\0*/); |
| 2021 | vg_assert(NULL != exec); |
| 2022 | VG_(sprintf)(exec, "--exec=%s", exename); |
| 2023 | |
| 2024 | // Allocate space for optvar (may overestimate by counting --exec twice, |
| 2025 | // no matter) |
| 2026 | optlen = 1; |
| 2027 | for (i = 0; i < vg_argc; i++) |
| 2028 | optlen += VG_(strlen)(vg_argv[i]) + 1; |
| 2029 | optlen += VG_(strlen)(exec)+1; |
| 2030 | optvar = VG_(arena_malloc)(VG_AR_CORE, optlen); |
| 2031 | |
| 2032 | // Copy all valgrind args except the old --exec (if present) |
| 2033 | // VG_CLO_SEP is the separator. |
| 2034 | cp = optvar; |
| 2035 | for (i = 1; i < vg_argc; i++) { |
| 2036 | Char *arg = vg_argv[i]; |
| 2037 | |
| 2038 | if (VG_(memcmp)(arg, "--exec=", 7) == 0) { |
| 2039 | // don't copy existing --exec= arg |
| 2040 | } else if (VG_(strcmp)(arg, "--") == 0) { |
| 2041 | // stop at "--" |
| 2042 | break; |
| 2043 | } else { |
| 2044 | // copy non "--exec" arg |
| 2045 | Int len = VG_(strlen)(arg); |
| 2046 | VG_(memcpy)(cp, arg, len); |
| 2047 | cp += len; |
| 2048 | *cp++ = VG_CLO_SEP; |
| 2049 | } |
| 2050 | } |
| 2051 | // Add the new --exec= option |
| 2052 | execlen = VG_(strlen)(exec); |
| 2053 | VG_(memcpy)(cp, exec, execlen); |
| 2054 | cp += execlen; |
| 2055 | *cp++ = VG_CLO_SEP; |
| 2056 | |
| 2057 | *cp = '\0'; |
| 2058 | |
| 2059 | return optvar; |
| 2060 | } |
| 2061 | |
| 2062 | // Build "/proc/self/fd/<execfd>". |
| 2063 | Char* VG_(build_child_exename)( void ) |
| 2064 | { |
| 2065 | Char* exename = VG_(arena_malloc)(VG_AR_CORE, 64); |
| 2066 | vg_assert(NULL != exename); |
| 2067 | VG_(sprintf)(exename, "/proc/self/fd/%d", vgexecfd); |
| 2068 | return exename; |
| 2069 | } |
| 2070 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2071 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2072 | /*====================================================================*/ |
| 2073 | /*=== File descriptor setup ===*/ |
| 2074 | /*====================================================================*/ |
| 2075 | |
| 2076 | static void setup_file_descriptors(void) |
| 2077 | { |
| 2078 | struct vki_rlimit rl; |
| 2079 | |
| 2080 | /* Get the current file descriptor limits. */ |
| 2081 | if (VG_(getrlimit)(VKI_RLIMIT_NOFILE, &rl) < 0) { |
| 2082 | rl.rlim_cur = 1024; |
| 2083 | rl.rlim_max = 1024; |
| 2084 | } |
| 2085 | |
| 2086 | /* Work out where to move the soft limit to. */ |
njn | 14319cc | 2005-03-13 06:26:22 +0000 | [diff] [blame] | 2087 | if (rl.rlim_cur + N_RESERVED_FDS <= rl.rlim_max) { |
| 2088 | rl.rlim_cur = rl.rlim_cur + N_RESERVED_FDS; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2089 | } else { |
| 2090 | rl.rlim_cur = rl.rlim_max; |
| 2091 | } |
| 2092 | |
| 2093 | /* Reserve some file descriptors for our use. */ |
njn | 14319cc | 2005-03-13 06:26:22 +0000 | [diff] [blame] | 2094 | VG_(fd_soft_limit) = rl.rlim_cur - N_RESERVED_FDS; |
| 2095 | VG_(fd_hard_limit) = rl.rlim_cur - N_RESERVED_FDS; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2096 | |
| 2097 | /* Update the soft limit. */ |
| 2098 | VG_(setrlimit)(VKI_RLIMIT_NOFILE, &rl); |
| 2099 | |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 2100 | if (vgexecfd != -1) |
| 2101 | vgexecfd = VG_(safe_fd)( vgexecfd ); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2102 | if (VG_(clexecfd) != -1) |
| 2103 | VG_(clexecfd) = VG_(safe_fd)( VG_(clexecfd) ); |
| 2104 | } |
| 2105 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2106 | /*====================================================================*/ |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2107 | /*=== Initialise program data/text, etc. ===*/ |
| 2108 | /*====================================================================*/ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2109 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2110 | static void build_valgrind_map_callback ( Addr start, SizeT size, UInt prot, |
| 2111 | UInt dev, UInt ino, ULong foffset, |
| 2112 | const UChar* filename ) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2113 | { |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2114 | /* Only record valgrind mappings for now, without loading any |
| 2115 | symbols. This is so we know where the free space is before we |
| 2116 | start allocating more memory (note: heap is OK, it's just mmap |
| 2117 | which is the problem here). */ |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2118 | if (start >= VG_(client_end) && start < VG_(valgrind_last)) { |
sewardj | 8c61589 | 2005-04-25 02:38:28 +0000 | [diff] [blame] | 2119 | VG_(debugLog)(2, "main", |
| 2120 | "valgrind-seg: %p-%p prot 0x%x file=%s\n", |
njn | a4469a7 | 2005-05-08 02:06:33 +0000 | [diff] [blame] | 2121 | (void*)start, (void*)(start+size), prot, filename); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2122 | VG_(map_file_segment)(start, size, prot, |
sewardj | 8c61589 | 2005-04-25 02:38:28 +0000 | [diff] [blame] | 2123 | SF_MMAP|SF_NOSYMS|SF_VALGRIND, |
| 2124 | dev, ino, foffset, filename); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2125 | /* update VG_(valgrind_last) if it looks wrong */ |
| 2126 | if (start+size > VG_(valgrind_last)) |
sewardj | 8c61589 | 2005-04-25 02:38:28 +0000 | [diff] [blame] | 2127 | VG_(valgrind_last) = start+size-1; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2128 | } |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2129 | } |
| 2130 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2131 | // Global var used to pass local data to callback |
nethercote | 4ad7431 | 2004-10-26 09:59:49 +0000 | [diff] [blame] | 2132 | Addr sp_at_startup___global_arg = 0; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2133 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2134 | /* |
| 2135 | This second pass adds in client mappings, and loads symbol tables |
| 2136 | for all interesting mappings. The trouble is that things can |
| 2137 | change as we go, because we're calling the Tool to track memory as |
| 2138 | we find it. |
| 2139 | |
| 2140 | So for Valgrind mappings, we don't replace any mappings which |
| 2141 | aren't still identical (which will include the .so mappings, so we |
| 2142 | will load their symtabs)> |
| 2143 | */ |
| 2144 | static void build_segment_map_callback ( Addr start, SizeT size, UInt prot, |
| 2145 | UInt dev, UInt ino, ULong foffset, |
| 2146 | const UChar* filename ) |
sewardj | 45b672d | 2003-07-25 19:58:11 +0000 | [diff] [blame] | 2147 | { |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2148 | UInt flags; |
| 2149 | Bool is_stack_segment; |
| 2150 | Addr r_esp; |
sewardj | 45b672d | 2003-07-25 19:58:11 +0000 | [diff] [blame] | 2151 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2152 | is_stack_segment |
| 2153 | = (start == VG_(clstk_base) && (start+size) == VG_(clstk_end)); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 2154 | |
sewardj | 8c61589 | 2005-04-25 02:38:28 +0000 | [diff] [blame] | 2155 | VG_(debugLog)(2, "main", |
| 2156 | "any-seg: %p-%p prot 0x%x stack=%d file=%s\n", |
njn | a4469a7 | 2005-05-08 02:06:33 +0000 | [diff] [blame] | 2157 | (void*)start, (void*)(start+size), prot, is_stack_segment, |
| 2158 | filename); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 2159 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2160 | if (is_stack_segment) |
| 2161 | flags = SF_STACK | SF_GROWDOWN; |
| 2162 | else |
njn | 0ae787c | 2005-06-28 22:14:53 +0000 | [diff] [blame] | 2163 | flags = SF_MMAP; |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 2164 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2165 | if (filename != NULL) |
| 2166 | flags |= SF_FILE; |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 2167 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2168 | #if 0 |
| 2169 | // This needs to be fixed properly. jrs 20050307 |
| 2170 | if (start >= VG_(client_end) && start < VG_(valgrind_last)) { |
| 2171 | Segment *s = VG_(find_segment_before)(start); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 2172 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2173 | /* We have to be a bit careful about inserting new mappings into |
| 2174 | the Valgrind part of the address space. We're actively |
| 2175 | changing things as we parse these mappings, particularly in |
| 2176 | shadow memory, and so we don't want to overwrite those |
| 2177 | changes. Therefore, we only insert/update a mapping if it is |
| 2178 | mapped from a file or it exactly matches an existing mapping. |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 2179 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2180 | NOTE: we're only talking about the Segment list mapping |
| 2181 | metadata; this doesn't actually mmap anything more. */ |
| 2182 | if (filename || (s && s->addr == start && s->len == size)) { |
| 2183 | flags |= SF_VALGRIND; |
| 2184 | VG_(map_file_segment)(start, size, prot, flags, dev, ino, foffset, filename); |
| 2185 | } else { |
| 2186 | /* assert range is already mapped */ |
| 2187 | vg_assert(VG_(is_addressable)(start, size, VKI_PROT_NONE)); |
| 2188 | } |
| 2189 | } else |
| 2190 | #endif |
| 2191 | VG_(map_file_segment)(start, size, prot, flags, dev, ino, foffset, filename); |
| 2192 | |
| 2193 | if (VG_(is_client_addr)(start) && VG_(is_client_addr)(start+size-1)) { |
| 2194 | VG_TRACK( new_mem_startup, start, size, |
| 2195 | !!(prot & VKI_PROT_READ), |
| 2196 | !!(prot & VKI_PROT_WRITE), |
| 2197 | !!(prot & VKI_PROT_EXEC)); |
| 2198 | } |
sewardj | 3e1eb1f | 2002-05-18 13:14:17 +0000 | [diff] [blame] | 2199 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2200 | /* If this is the stack segment mark all below %esp as noaccess. */ |
nethercote | 4ad7431 | 2004-10-26 09:59:49 +0000 | [diff] [blame] | 2201 | r_esp = sp_at_startup___global_arg; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2202 | vg_assert(0 != r_esp); |
| 2203 | if (is_stack_segment) { |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2204 | if (0) { |
| 2205 | VG_(message)(Vg_DebugMsg, "invalidating stack area: %p .. %p", |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2206 | start,r_esp); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2207 | VG_(message)(Vg_DebugMsg, " validating stack area: %p .. %p", |
| 2208 | r_esp, start+size); |
| 2209 | } |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2210 | VG_TRACK( die_mem_stack, start, r_esp-start ); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2211 | // what's this for? |
| 2212 | //VG_TRACK( post_mem_write, r_esp, (start+size)-r_esp ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2213 | } |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2214 | } |
| 2215 | |
njn | 2da7335 | 2005-06-18 01:35:16 +0000 | [diff] [blame] | 2216 | /*====================================================================*/ |
| 2217 | /*=== Initialise the first thread. ===*/ |
| 2218 | /*====================================================================*/ |
| 2219 | |
| 2220 | /* Given a pointer to the ThreadArchState for thread 1 (the root |
| 2221 | thread), initialise the VEX guest state, and copy in essential |
| 2222 | starting values. |
| 2223 | */ |
| 2224 | static void init_thread1state ( Addr client_ip, |
| 2225 | Addr sp_at_startup, |
| 2226 | /*inout*/ ThreadArchState* arch ) |
| 2227 | { |
| 2228 | #if defined(VGA_x86) |
| 2229 | vg_assert(0 == sizeof(VexGuestX86State) % 8); |
| 2230 | |
| 2231 | /* Zero out the initial state, and set up the simulated FPU in a |
| 2232 | sane way. */ |
| 2233 | LibVEX_GuestX86_initialise(&arch->vex); |
| 2234 | |
| 2235 | /* Zero out the shadow area. */ |
| 2236 | VG_(memset)(&arch->vex_shadow, 0, sizeof(VexGuestX86State)); |
| 2237 | |
| 2238 | /* Put essential stuff into the new state. */ |
| 2239 | arch->vex.guest_ESP = sp_at_startup; |
| 2240 | arch->vex.guest_EIP = client_ip; |
| 2241 | |
| 2242 | /* initialise %cs, %ds and %ss to point at the operating systems |
| 2243 | default code, data and stack segments */ |
| 2244 | asm volatile("movw %%cs, %0" : : "m" (arch->vex.guest_CS)); |
| 2245 | asm volatile("movw %%ds, %0" : : "m" (arch->vex.guest_DS)); |
| 2246 | asm volatile("movw %%ss, %0" : : "m" (arch->vex.guest_SS)); |
cerion | 85665ca | 2005-06-20 15:51:07 +0000 | [diff] [blame] | 2247 | |
njn | 2da7335 | 2005-06-18 01:35:16 +0000 | [diff] [blame] | 2248 | #elif defined(VGA_amd64) |
| 2249 | vg_assert(0 == sizeof(VexGuestAMD64State) % 8); |
| 2250 | |
| 2251 | /* Zero out the initial state, and set up the simulated FPU in a |
| 2252 | sane way. */ |
| 2253 | LibVEX_GuestAMD64_initialise(&arch->vex); |
| 2254 | |
| 2255 | /* Zero out the shadow area. */ |
| 2256 | VG_(memset)(&arch->vex_shadow, 0, sizeof(VexGuestAMD64State)); |
| 2257 | |
| 2258 | /* Put essential stuff into the new state. */ |
| 2259 | arch->vex.guest_RSP = sp_at_startup; |
| 2260 | arch->vex.guest_RIP = client_ip; |
cerion | 85665ca | 2005-06-20 15:51:07 +0000 | [diff] [blame] | 2261 | |
| 2262 | #elif defined(VGA_ppc32) |
| 2263 | vg_assert(0 == sizeof(VexGuestPPC32State) % 8); |
| 2264 | |
| 2265 | /* Zero out the initial state, and set up the simulated FPU in a |
| 2266 | sane way. */ |
| 2267 | LibVEX_GuestPPC32_initialise(&arch->vex); |
| 2268 | |
| 2269 | /* Zero out the shadow area. */ |
| 2270 | VG_(memset)(&arch->vex_shadow, 0, sizeof(VexGuestPPC32State)); |
| 2271 | |
| 2272 | /* Put essential stuff into the new state. */ |
| 2273 | arch->vex.guest_GPR1 = sp_at_startup; |
| 2274 | arch->vex.guest_CIA = client_ip; |
| 2275 | |
njn | 2da7335 | 2005-06-18 01:35:16 +0000 | [diff] [blame] | 2276 | #else |
| 2277 | # error Unknown arch |
| 2278 | #endif |
| 2279 | // Tell the tool that we just wrote to the registers. |
| 2280 | VG_TRACK( post_reg_write, Vg_CoreStartup, /*tid*/1, /*offset*/0, |
| 2281 | sizeof(VexGuestArchState)); |
| 2282 | } |
| 2283 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2284 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2285 | /*====================================================================*/ |
njn | 2025cf9 | 2005-06-26 20:44:48 +0000 | [diff] [blame] | 2286 | /*=== BB profiling ===*/ |
| 2287 | /*====================================================================*/ |
| 2288 | |
| 2289 | static |
| 2290 | void show_BB_profile ( BBProfEntry tops[], UInt n_tops, ULong score_total ) |
| 2291 | { |
| 2292 | ULong score_cumul, score_here; |
| 2293 | Char buf_cumul[10], buf_here[10]; |
| 2294 | Char name[64]; |
| 2295 | Int r; |
| 2296 | |
| 2297 | VG_(printf)("\n"); |
| 2298 | VG_(printf)("-----------------------------------------------------------\n"); |
| 2299 | VG_(printf)("--- BEGIN BB Profile (summary of scores) ---\n"); |
| 2300 | VG_(printf)("-----------------------------------------------------------\n"); |
| 2301 | VG_(printf)("\n"); |
| 2302 | |
| 2303 | VG_(printf)("Total score = %lld\n\n", score_total); |
| 2304 | |
| 2305 | score_cumul = 0; |
| 2306 | for (r = 0; r < n_tops; r++) { |
| 2307 | if (tops[r].addr == 0) |
| 2308 | continue; |
| 2309 | name[0] = 0; |
| 2310 | VG_(get_fnname_w_offset)(tops[r].addr, name, 64); |
| 2311 | name[63] = 0; |
| 2312 | score_here = tops[r].score; |
| 2313 | score_cumul += score_here; |
| 2314 | VG_(percentify)(score_cumul, score_total, 2, 6, buf_cumul); |
| 2315 | VG_(percentify)(score_here, score_total, 2, 6, buf_here); |
| 2316 | VG_(printf)("%3d: (%9lld %s) %9lld %s 0x%llx %s\n", |
| 2317 | r, |
| 2318 | score_cumul, buf_cumul, |
| 2319 | score_here, buf_here, tops[r].addr, name ); |
| 2320 | } |
| 2321 | |
| 2322 | VG_(printf)("\n"); |
| 2323 | VG_(printf)("-----------------------------------------------------------\n"); |
| 2324 | VG_(printf)("--- BB Profile (BB details) ---\n"); |
| 2325 | VG_(printf)("-----------------------------------------------------------\n"); |
| 2326 | VG_(printf)("\n"); |
| 2327 | |
| 2328 | score_cumul = 0; |
| 2329 | for (r = 0; r < n_tops; r++) { |
| 2330 | if (tops[r].addr == 0) |
| 2331 | continue; |
| 2332 | name[0] = 0; |
| 2333 | VG_(get_fnname_w_offset)(tops[r].addr, name, 64); |
| 2334 | name[63] = 0; |
| 2335 | score_here = tops[r].score; |
| 2336 | score_cumul += score_here; |
| 2337 | VG_(percentify)(score_cumul, score_total, 2, 6, buf_cumul); |
| 2338 | VG_(percentify)(score_here, score_total, 2, 6, buf_here); |
| 2339 | VG_(printf)("\n"); |
| 2340 | VG_(printf)("=-=-=-=-=-=-=-=-=-=-=-=-=-= begin BB rank %d " |
| 2341 | "=-=-=-=-=-=-=-=-=-=-=-=-=-=\n\n", r); |
| 2342 | VG_(printf)("%3d: (%9lld %s) %9lld %s 0x%llx %s\n", |
| 2343 | r, |
| 2344 | score_cumul, buf_cumul, |
| 2345 | score_here, buf_here, tops[r].addr, name ); |
| 2346 | VG_(printf)("\n"); |
| 2347 | VG_(translate)(0, tops[r].addr, True, VG_(clo_profile_flags), 0); |
| 2348 | VG_(printf)("=-=-=-=-=-=-=-=-=-=-=-=-=-= end BB rank %d " |
| 2349 | "=-=-=-=-=-=-=-=-=-=-=-=-=-=\n\n", r); |
| 2350 | } |
| 2351 | |
| 2352 | VG_(printf)("\n"); |
| 2353 | VG_(printf)("-----------------------------------------------------------\n"); |
| 2354 | VG_(printf)("--- END BB Profile ---\n"); |
| 2355 | VG_(printf)("-----------------------------------------------------------\n"); |
| 2356 | VG_(printf)("\n"); |
| 2357 | } |
| 2358 | |
| 2359 | |
| 2360 | /*====================================================================*/ |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2361 | /*=== main() ===*/ |
| 2362 | /*====================================================================*/ |
| 2363 | |
nethercote | c314eba | 2004-07-15 12:59:41 +0000 | [diff] [blame] | 2364 | /* |
| 2365 | This code decides on the layout of the client and Valgrind address |
nethercote | 996901a | 2004-08-03 13:29:09 +0000 | [diff] [blame] | 2366 | spaces, loads valgrind.so and the tool.so into the valgrind part, |
nethercote | c314eba | 2004-07-15 12:59:41 +0000 | [diff] [blame] | 2367 | loads the client executable (and the dynamic linker, if necessary) |
| 2368 | into the client part, and calls into Valgrind proper. |
| 2369 | |
| 2370 | The code is careful not to allow spurious mappings to appear in the |
| 2371 | wrong parts of the address space. In particular, to make sure |
| 2372 | dlopen puts things in the right place, it will pad out the forbidden |
| 2373 | chunks of address space so that dlopen is forced to put things where |
| 2374 | we want them. |
| 2375 | |
| 2376 | The memory map it creates is: |
| 2377 | |
njn | 311c5d8 | 2005-05-15 21:03:42 +0000 | [diff] [blame] | 2378 | client_base +-------------------------+ |
nethercote | c314eba | 2004-07-15 12:59:41 +0000 | [diff] [blame] | 2379 | | client address space | |
| 2380 | : : |
| 2381 | : : |
| 2382 | | client stack | |
| 2383 | client_end +-------------------------+ |
| 2384 | | redzone | |
| 2385 | shadow_base +-------------------------+ |
| 2386 | | | |
nethercote | 996901a | 2004-08-03 13:29:09 +0000 | [diff] [blame] | 2387 | : shadow memory for tools : |
nethercote | c314eba | 2004-07-15 12:59:41 +0000 | [diff] [blame] | 2388 | | (may be 0 sized) | |
| 2389 | shadow_end +-------------------------+ |
nethercote | c314eba | 2004-07-15 12:59:41 +0000 | [diff] [blame] | 2390 | valgrind_base +-------------------------+ |
| 2391 | | kickstart executable | |
| 2392 | | valgrind heap vvvvvvvvv| (barely used) |
| 2393 | - - |
| 2394 | | valgrind .so files | |
| 2395 | | and mappings | |
| 2396 | - - |
| 2397 | | valgrind stack ^^^^^^^^^| |
nethercote | 820bd8c | 2004-09-07 23:04:49 +0000 | [diff] [blame] | 2398 | valgrind_last +-------------------------+ |
nethercote | c314eba | 2004-07-15 12:59:41 +0000 | [diff] [blame] | 2399 | : kernel : |
| 2400 | |
| 2401 | Nb: Before we can do general allocations with VG_(arena_malloc)() and |
| 2402 | VG_(mmap)(), we need to build the segment skip-list, so we know where |
| 2403 | we can put things. However, building that structure requires |
| 2404 | allocating memory. So we need to a bootstrapping process. It's done |
| 2405 | by making VG_(arena_malloc)() have a special static superblock that's |
| 2406 | used for the first 1MB's worth of allocations. This is enough to |
| 2407 | build the segment skip-list. |
| 2408 | */ |
| 2409 | |
thughes | 4ad52d0 | 2004-06-27 17:37:21 +0000 | [diff] [blame] | 2410 | |
sewardj | 1cf558c | 2005-04-25 01:36:56 +0000 | [diff] [blame] | 2411 | /* This may be needed before m_mylibc is OK to run. */ |
| 2412 | static Int local_strcmp ( const HChar* s1, const HChar* s2 ) |
| 2413 | { |
| 2414 | while (True) { |
| 2415 | if (*s1 == 0 && *s2 == 0) return 0; |
| 2416 | if (*s1 == 0) return -1; |
| 2417 | if (*s2 == 0) return 1; |
| 2418 | |
| 2419 | if (*(UChar*)s1 < *(UChar*)s2) return -1; |
| 2420 | if (*(UChar*)s1 > *(UChar*)s2) return 1; |
| 2421 | |
| 2422 | s1++; s2++; |
| 2423 | } |
| 2424 | } |
| 2425 | |
| 2426 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2427 | int main(int argc, char **argv, char **envp) |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2428 | { |
| 2429 | char **cl_argv; |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2430 | const char *tool = "memcheck"; // default to Memcheck |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2431 | const char *exec = NULL; |
| 2432 | char *preload; /* tool-specific LD_PRELOAD .so */ |
| 2433 | char **env; |
nethercote | 6c999f2 | 2004-01-31 22:55:15 +0000 | [diff] [blame] | 2434 | Int need_help = 0; // 0 = no, 1 = --help, 2 = --help-debug |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2435 | struct exeinfo info; |
| 2436 | ToolInfo *toolinfo = NULL; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2437 | Addr client_eip; |
nethercote | 4ad7431 | 2004-10-26 09:59:49 +0000 | [diff] [blame] | 2438 | Addr sp_at_startup; /* client's SP at the point we gained control. */ |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2439 | UInt * client_auxv; |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 2440 | struct vki_rlimit zero = { 0, 0 }; |
sewardj | 1cf558c | 2005-04-25 01:36:56 +0000 | [diff] [blame] | 2441 | Int padfile, loglevel, i; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2442 | |
| 2443 | //============================================================ |
| 2444 | // Nb: startup is complex. Prerequisites are shown at every step. |
| 2445 | // |
| 2446 | // *** Be very careful when messing with the order *** |
| 2447 | //============================================================ |
| 2448 | |
sewardj | 1cf558c | 2005-04-25 01:36:56 +0000 | [diff] [blame] | 2449 | //-------------------------------------------------------------- |
| 2450 | // Start up the logging mechanism |
| 2451 | // p: none |
| 2452 | //-------------------------------------------------------------- |
| 2453 | /* Start the debugging-log system ASAP. First find out how many |
| 2454 | "-d"s were specified. This is a pre-scan of the command line. */ |
| 2455 | loglevel = 0; |
| 2456 | for (i = 1; i < argc; i++) { |
sewardj | 1075931 | 2005-05-30 23:52:47 +0000 | [diff] [blame] | 2457 | if (argv[i][0] != '-') |
| 2458 | break; |
| 2459 | if (0 == local_strcmp(argv[i], "--")) |
| 2460 | break; |
| 2461 | if (0 == local_strcmp(argv[i], "-d")) |
| 2462 | loglevel++; |
sewardj | 1cf558c | 2005-04-25 01:36:56 +0000 | [diff] [blame] | 2463 | } |
| 2464 | |
| 2465 | /* ... and start the debug logger. Now we can safely emit logging |
| 2466 | messages all through startup. */ |
sewardj | 1075931 | 2005-05-30 23:52:47 +0000 | [diff] [blame] | 2467 | VG_(debugLog_startup)(loglevel, "Stage 2 (main)"); |
sewardj | 1cf558c | 2005-04-25 01:36:56 +0000 | [diff] [blame] | 2468 | |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 2469 | //============================================================ |
| 2470 | // Command line argument handling order: |
| 2471 | // * If --help/--help-debug are present, show usage message |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2472 | // (including the tool-specific usage) |
| 2473 | // * (If no --tool option given, default to Memcheck) |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 2474 | // * Then, if client is missing, abort with error msg |
| 2475 | // * Then, if any cmdline args are bad, abort with error msg |
| 2476 | //============================================================ |
| 2477 | |
fitzhardinge | b50068f | 2004-02-24 23:42:55 +0000 | [diff] [blame] | 2478 | // Get the current process datasize rlimit, and set it to zero. |
| 2479 | // This prevents any internal uses of brk() from having any effect. |
| 2480 | // We remember the old value so we can restore it on exec, so that |
| 2481 | // child processes will have a reasonable brk value. |
| 2482 | VG_(getrlimit)(VKI_RLIMIT_DATA, &VG_(client_rlimit_data)); |
| 2483 | zero.rlim_max = VG_(client_rlimit_data).rlim_max; |
| 2484 | VG_(setrlimit)(VKI_RLIMIT_DATA, &zero); |
thughes | c37184f | 2004-09-11 14:16:57 +0000 | [diff] [blame] | 2485 | |
| 2486 | // Get the current process stack rlimit. |
| 2487 | VG_(getrlimit)(VKI_RLIMIT_STACK, &VG_(client_rlimit_stack)); |
| 2488 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2489 | //-------------------------------------------------------------- |
| 2490 | // Check we were launched by stage1 |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 2491 | // p: none |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2492 | //-------------------------------------------------------------- |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2493 | VG_(debugLog)(1, "main", "Doing scan_auxv()\n"); |
nethercote | c25c449 | 2004-10-18 11:52:17 +0000 | [diff] [blame] | 2494 | { |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2495 | void* init_sp = argv - 1; |
| 2496 | padfile = scan_auxv(init_sp); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2497 | } |
| 2498 | |
| 2499 | //-------------------------------------------------------------- |
| 2500 | // Look for alternative libdir |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 2501 | // p: none |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2502 | //-------------------------------------------------------------- |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 2503 | { HChar *cp = getenv(VALGRINDLIB); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2504 | if (cp != NULL) |
| 2505 | VG_(libdir) = cp; |
| 2506 | } |
| 2507 | |
| 2508 | //-------------------------------------------------------------- |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2509 | // Get valgrind args + client args (inc. from VALGRIND_OPTS/.valgrindrc). |
| 2510 | // Pre-process the command line. |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 2511 | // p: none |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2512 | //-------------------------------------------------------------- |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2513 | VG_(debugLog)(1, "main", "Preprocess command line opts\n"); |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 2514 | get_command_line(argc, argv, &vg_argc, &vg_argv, &cl_argv); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2515 | pre_process_cmd_line_options(&need_help, &tool, &exec); |
| 2516 | |
sewardj | 1075931 | 2005-05-30 23:52:47 +0000 | [diff] [blame] | 2517 | /* If this process was created by exec done by another Valgrind |
| 2518 | process, the arguments will only show up at this point. Hence |
| 2519 | we need to also snoop around in vg_argv to see if anyone is |
| 2520 | asking for debug logging. */ |
| 2521 | if (loglevel == 0) { |
| 2522 | for (i = 1; i < vg_argc; i++) { |
| 2523 | if (vg_argv[i][0] != '-') |
| 2524 | break; |
| 2525 | if (0 == local_strcmp(vg_argv[i], "--")) |
| 2526 | break; |
| 2527 | if (0 == local_strcmp(vg_argv[i], "-d")) |
| 2528 | loglevel++; |
| 2529 | } |
| 2530 | VG_(debugLog_startup)(loglevel, "Stage 2 (second go)"); |
| 2531 | } |
| 2532 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2533 | //============================================================== |
| 2534 | // Nb: once a tool is specified, the tool.so must be loaded even if |
| 2535 | // they specified --help or didn't specify a client program. |
| 2536 | //============================================================== |
| 2537 | |
| 2538 | //-------------------------------------------------------------- |
| 2539 | // With client padded out, map in tool |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2540 | // p: set-libdir [for VG_(libdir)] |
| 2541 | // p: pre_process_cmd_line_options() [for 'tool'] |
| 2542 | //-------------------------------------------------------------- |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2543 | VG_(debugLog)(1, "main", "Loading tool\n"); |
njn | 8a97c6d | 2005-03-31 04:37:24 +0000 | [diff] [blame] | 2544 | load_tool(tool, &toolinfo, &preload); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2545 | |
| 2546 | //============================================================== |
| 2547 | // Can use VG_(malloc)() and VG_(arena_malloc)() only after load_tool() |
nethercote | c314eba | 2004-07-15 12:59:41 +0000 | [diff] [blame] | 2548 | // -- redzone size is now set. This is checked by vg_malloc2.c. |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2549 | //============================================================== |
| 2550 | |
| 2551 | //-------------------------------------------------------------- |
| 2552 | // Finalise address space layout |
nethercote | 31779c7 | 2004-07-30 21:50:15 +0000 | [diff] [blame] | 2553 | // p: load_tool() [for 'toolinfo'] |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2554 | //-------------------------------------------------------------- |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2555 | VG_(debugLog)(1, "main", "Laying out remaining space\n"); |
nethercote | 31779c7 | 2004-07-30 21:50:15 +0000 | [diff] [blame] | 2556 | layout_remaining_space( (Addr) & argc, toolinfo->shadow_ratio ); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2557 | |
| 2558 | //-------------------------------------------------------------- |
| 2559 | // Load client executable, finding in $PATH if necessary |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2560 | // p: pre_process_cmd_line_options() [for 'exec', 'need_help'] |
| 2561 | // p: layout_remaining_space [so there's space] |
| 2562 | //-------------------------------------------------------------- |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2563 | VG_(debugLog)(1, "main", "Loading client\n"); |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 2564 | load_client(cl_argv, exec, need_help, &info, &client_eip); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2565 | |
| 2566 | //-------------------------------------------------------------- |
nethercote | 969ecf1 | 2004-10-13 17:29:01 +0000 | [diff] [blame] | 2567 | // Everything in place, remove padding done by stage1 |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2568 | // p: layout_remaining_space() [everything must be mapped in before now] |
| 2569 | // p: load_client() [ditto] |
| 2570 | //-------------------------------------------------------------- |
nethercote | 31779c7 | 2004-07-30 21:50:15 +0000 | [diff] [blame] | 2571 | as_unpad((void *)VG_(shadow_end), (void *)~0, padfile); |
| 2572 | as_closepadfile(padfile); // no more padding |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2573 | |
| 2574 | //-------------------------------------------------------------- |
| 2575 | // Set up client's environment |
| 2576 | // p: set-libdir [for VG_(libdir)] |
| 2577 | // p: load_tool() [for 'preload'] |
| 2578 | //-------------------------------------------------------------- |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2579 | VG_(debugLog)(1, "main", "Setup client env\n"); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2580 | env = fix_environment(envp, preload); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2581 | |
| 2582 | //-------------------------------------------------------------- |
nethercote | 5ee67ca | 2004-06-22 14:00:09 +0000 | [diff] [blame] | 2583 | // Setup client stack, eip, and VG_(client_arg[cv]) |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2584 | // p: load_client() [for 'info'] |
| 2585 | // p: fix_environment() [for 'env'] |
| 2586 | //-------------------------------------------------------------- |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2587 | VG_(debugLog)(1, "main", "Setup client stack\n"); |
nethercote | c25c449 | 2004-10-18 11:52:17 +0000 | [diff] [blame] | 2588 | { |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2589 | void* init_sp = argv - 1; |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2590 | |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2591 | sp_at_startup = setup_client_stack(init_sp, cl_argv, env, &info, |
| 2592 | &client_auxv); |
| 2593 | free(env); |
nethercote | c25c449 | 2004-10-18 11:52:17 +0000 | [diff] [blame] | 2594 | } |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2595 | |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2596 | VG_(debugLog)(2, "main", |
| 2597 | "Client info: " |
| 2598 | "entry=%p client esp=%p vg_argc=%d brkbase=%p\n", |
| 2599 | (void*)client_eip, (void*)sp_at_startup, vg_argc, |
| 2600 | (void*)VG_(brk_base) ); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2601 | |
| 2602 | //============================================================== |
| 2603 | // Finished setting up operating environment. Now initialise |
| 2604 | // Valgrind. (This is where the old VG_(main)() started.) |
| 2605 | //============================================================== |
| 2606 | |
| 2607 | //-------------------------------------------------------------- |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2608 | // setup file descriptors |
| 2609 | // p: n/a |
| 2610 | //-------------------------------------------------------------- |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2611 | VG_(debugLog)(1, "main", "Setup file descriptors\n"); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2612 | setup_file_descriptors(); |
| 2613 | |
| 2614 | //-------------------------------------------------------------- |
nethercote | c314eba | 2004-07-15 12:59:41 +0000 | [diff] [blame] | 2615 | // Build segment map (Valgrind segments only) |
njn | d225283 | 2004-11-26 10:53:33 +0000 | [diff] [blame] | 2616 | // p: tl_pre_clo_init() [to setup new_mem_startup tracker] |
nethercote | c314eba | 2004-07-15 12:59:41 +0000 | [diff] [blame] | 2617 | //-------------------------------------------------------------- |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2618 | VG_(debugLog)(1, "main", "Parse /proc/self/maps (round 1)\n"); |
nethercote | c314eba | 2004-07-15 12:59:41 +0000 | [diff] [blame] | 2619 | VG_(parse_procselfmaps) ( build_valgrind_map_callback ); |
| 2620 | |
| 2621 | //============================================================== |
| 2622 | // Can use VG_(arena_malloc)() with non-CORE arena after segments set up |
| 2623 | //============================================================== |
| 2624 | |
| 2625 | //-------------------------------------------------------------- |
| 2626 | // Init tool: pre_clo_init, process cmd line, post_clo_init |
| 2627 | // p: setup_client_stack() [for 'VG_(client_arg[cv]'] |
njn | 8a97c6d | 2005-03-31 04:37:24 +0000 | [diff] [blame] | 2628 | // p: load_tool() [for 'toolinfo'] |
nethercote | c314eba | 2004-07-15 12:59:41 +0000 | [diff] [blame] | 2629 | // p: setup_file_descriptors() [for 'VG_(fd_xxx_limit)'] |
| 2630 | // p: parse_procselfmaps [so VG segments are setup so tool can |
| 2631 | // call VG_(malloc)] |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2632 | //-------------------------------------------------------------- |
njn | 64c8324 | 2005-06-21 01:54:38 +0000 | [diff] [blame] | 2633 | { |
| 2634 | Char* s; |
| 2635 | Bool ok; |
| 2636 | VG_(debugLog)(1, "main", "Initialise the tool\n"); |
| 2637 | (*toolinfo->tl_pre_clo_init)(); |
| 2638 | ok = VG_(sanity_check_needs)( VG_(shadow_base) != VG_(shadow_end), &s ); |
| 2639 | if (!ok) { |
| 2640 | VG_(tool_panic)(s); |
| 2641 | } |
| 2642 | } |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2643 | |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 2644 | // If --tool and --help/--help-debug was given, now give the core+tool |
| 2645 | // help message |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 2646 | if (need_help) { |
| 2647 | usage(/*--help-debug?*/2 == need_help); |
| 2648 | } |
nethercote | c314eba | 2004-07-15 12:59:41 +0000 | [diff] [blame] | 2649 | process_cmd_line_options(client_auxv, tool); |
| 2650 | |
njn | 51d827b | 2005-05-09 01:02:08 +0000 | [diff] [blame] | 2651 | VG_TDICT_CALL(tool_post_clo_init); |
nethercote | f4928da | 2004-06-15 10:54:40 +0000 | [diff] [blame] | 2652 | |
| 2653 | //-------------------------------------------------------------- |
nethercote | c314eba | 2004-07-15 12:59:41 +0000 | [diff] [blame] | 2654 | // Build segment map (all segments) |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2655 | // p: shadow/redzone segments |
nethercote | 4ad7431 | 2004-10-26 09:59:49 +0000 | [diff] [blame] | 2656 | // p: setup_client_stack() [for 'sp_at_startup'] |
nethercote | c314eba | 2004-07-15 12:59:41 +0000 | [diff] [blame] | 2657 | // p: init tool [for 'new_mem_startup'] |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2658 | //-------------------------------------------------------------- |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2659 | VG_(debugLog)(1, "main", "Parse /proc/self/maps (round 2)\n"); |
nethercote | 4ad7431 | 2004-10-26 09:59:49 +0000 | [diff] [blame] | 2660 | sp_at_startup___global_arg = sp_at_startup; |
nethercote | c314eba | 2004-07-15 12:59:41 +0000 | [diff] [blame] | 2661 | VG_(parse_procselfmaps) ( build_segment_map_callback ); /* everything */ |
nethercote | 4ad7431 | 2004-10-26 09:59:49 +0000 | [diff] [blame] | 2662 | sp_at_startup___global_arg = 0; |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2663 | |
nethercote | c314eba | 2004-07-15 12:59:41 +0000 | [diff] [blame] | 2664 | //============================================================== |
| 2665 | // Can use VG_(map)() after segments set up |
| 2666 | //============================================================== |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2667 | |
| 2668 | //-------------------------------------------------------------- |
| 2669 | // Allow GDB attach |
| 2670 | // p: process_cmd_line_options() [for VG_(clo_wait_for_gdb)] |
| 2671 | //-------------------------------------------------------------- |
| 2672 | /* Hook to delay things long enough so we can get the pid and |
| 2673 | attach GDB in another shell. */ |
| 2674 | if (VG_(clo_wait_for_gdb)) { |
sewardj | 8211a57 | 2005-06-23 21:37:47 +0000 | [diff] [blame] | 2675 | Long q, iters; |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2676 | VG_(debugLog)(1, "main", "Wait for GDB\n"); |
sewardj | 93ab857 | 2005-02-06 14:10:40 +0000 | [diff] [blame] | 2677 | VG_(printf)("pid=%d, entering delay loop\n", VG_(getpid)()); |
| 2678 | /* jrs 20050206: I don't understand why this works on x86. On |
| 2679 | amd64 the obvious analogues (jump *$rip or jump *$rcx) don't |
| 2680 | work. */ |
| 2681 | /* do "jump *$eip" to skip this in gdb (x86) */ |
| 2682 | //VG_(do_syscall0)(__NR_pause); |
sewardj | 8211a57 | 2005-06-23 21:37:47 +0000 | [diff] [blame] | 2683 | |
| 2684 | # if defined(VGP_x86_linux) |
| 2685 | iters = 5; |
| 2686 | # elif defined(VGP_amd64_linux) |
| 2687 | iters = 10; |
| 2688 | # elif defined(VGP_ppc32_linux) |
sewardj | d714d2e | 2005-07-08 18:24:04 +0000 | [diff] [blame] | 2689 | iters = 5; |
sewardj | 8211a57 | 2005-06-23 21:37:47 +0000 | [diff] [blame] | 2690 | # else |
| 2691 | # error "Unknown plat" |
| 2692 | # endif |
| 2693 | |
| 2694 | iters *= 1000*1000*1000; |
| 2695 | for (q = 0; q < iters; q++) |
| 2696 | ; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2697 | } |
| 2698 | |
sewardj | b5d320c | 2005-03-13 18:57:15 +0000 | [diff] [blame] | 2699 | //-------------------------------------------------------------- |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2700 | // Search for file descriptors that are inherited from our parent |
| 2701 | // p: process_cmd_line_options [for VG_(clo_track_fds)] |
| 2702 | //-------------------------------------------------------------- |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2703 | if (VG_(clo_track_fds)) { |
| 2704 | VG_(debugLog)(1, "main", "Init preopened fds\n"); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2705 | VG_(init_preopened_fds)(); |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2706 | } |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2707 | |
| 2708 | //-------------------------------------------------------------- |
| 2709 | // Initialise the scheduler |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2710 | // p: setup_file_descriptors() [else VG_(safe_fd)() breaks] |
| 2711 | //-------------------------------------------------------------- |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2712 | VG_(debugLog)(1, "main", "Initialise scheduler\n"); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2713 | VG_(scheduler_init)(); |
| 2714 | |
| 2715 | //-------------------------------------------------------------- |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2716 | // Initialise the pthread model |
| 2717 | // p: ? |
sewardj | 2a99cf6 | 2004-11-24 10:44:19 +0000 | [diff] [blame] | 2718 | // load_client() [for 'client_eip'] |
| 2719 | // setup_client_stack() [for 'sp_at_startup'] |
| 2720 | // setup_scheduler() [for the rest of state 1 stuff] |
| 2721 | //-------------------------------------------------------------- |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2722 | VG_(debugLog)(1, "main", "Initialise thread 1's state\n"); |
njn | 2da7335 | 2005-06-18 01:35:16 +0000 | [diff] [blame] | 2723 | init_thread1state(client_eip, sp_at_startup, &VG_(threads)[1].arch); |
njn | ea4b28c | 2004-11-30 16:04:58 +0000 | [diff] [blame] | 2724 | |
sewardj | 2a99cf6 | 2004-11-24 10:44:19 +0000 | [diff] [blame] | 2725 | //-------------------------------------------------------------- |
sewardj | 39b88fb | 2005-03-12 15:16:07 +0000 | [diff] [blame] | 2726 | // Initialise the pthread model |
| 2727 | // p: ? |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2728 | //-------------------------------------------------------------- |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2729 | //if (VG_(clo_model_pthreads)) |
| 2730 | // VG_(pthread_init)(); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2731 | |
| 2732 | //-------------------------------------------------------------- |
| 2733 | // Initialise the signal handling subsystem |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2734 | // p: n/a |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2735 | //-------------------------------------------------------------- |
| 2736 | // Nb: temporarily parks the saved blocking-mask in saved_sigmask. |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2737 | VG_(debugLog)(1, "main", "Initialise signal management\n"); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2738 | VG_(sigstartup_actions)(); |
| 2739 | |
| 2740 | //-------------------------------------------------------------- |
| 2741 | // Perhaps we're profiling Valgrind? |
| 2742 | // p: process_cmd_line_options() [for VG_(clo_profile)] |
| 2743 | // p: others? |
| 2744 | // |
| 2745 | // XXX: this seems to be broken? It always says the tool wasn't built |
| 2746 | // for profiling; vg_profile.c's functions don't seem to be overriding |
| 2747 | // vg_dummy_profile.c's? |
| 2748 | // |
| 2749 | // XXX: want this as early as possible. Looking for --profile |
| 2750 | // in pre_process_cmd_line_options() could get it earlier. |
| 2751 | //-------------------------------------------------------------- |
| 2752 | if (VG_(clo_profile)) |
njn | 31066fd | 2005-03-26 00:42:02 +0000 | [diff] [blame] | 2753 | VG_(init_profiling)(); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2754 | |
| 2755 | VGP_PUSHCC(VgpStartup); |
| 2756 | |
| 2757 | //-------------------------------------------------------------- |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2758 | // Read suppression file |
| 2759 | // p: process_cmd_line_options() [for VG_(clo_suppressions)] |
| 2760 | //-------------------------------------------------------------- |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2761 | if (VG_(needs).core_errors || VG_(needs).tool_errors) { |
| 2762 | VG_(debugLog)(1, "main", "Load suppressions\n"); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2763 | VG_(load_suppressions)(); |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2764 | } |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2765 | |
| 2766 | //-------------------------------------------------------------- |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2767 | // Initialise translation table and translation cache |
| 2768 | // p: read_procselfmaps [so the anonymous mmaps for the TT/TC |
| 2769 | // aren't identified as part of the client, which would waste |
| 2770 | // > 20M of virtual address space.] |
| 2771 | //-------------------------------------------------------------- |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2772 | VG_(debugLog)(1, "main", "Initialise TT/TC\n"); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2773 | VG_(init_tt_tc)(); |
| 2774 | |
| 2775 | //-------------------------------------------------------------- |
sewardj | b9bce63 | 2005-06-21 01:41:34 +0000 | [diff] [blame] | 2776 | // Initialise the redirect table. |
sewardj | b5d320c | 2005-03-13 18:57:15 +0000 | [diff] [blame] | 2777 | // p: parse_procselfmaps? [XXX for debug info?] |
| 2778 | // p: init_tt_tc [so it can call VG_(search_transtab) safely] |
| 2779 | //-------------------------------------------------------------- |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2780 | VG_(debugLog)(1, "main", "Initialise redirects\n"); |
sewardj | b5d320c | 2005-03-13 18:57:15 +0000 | [diff] [blame] | 2781 | VG_(setup_code_redirect_table)(); |
| 2782 | |
| 2783 | //-------------------------------------------------------------- |
sewardj | b9bce63 | 2005-06-21 01:41:34 +0000 | [diff] [blame] | 2784 | // Tell the tool about permissions in our handwritten assembly |
| 2785 | // helpers. |
| 2786 | // p: init tool [for 'new_mem_startup'] |
| 2787 | //-------------------------------------------------------------- |
| 2788 | VG_(debugLog)(1, "main", "Tell tool about permissions for asm helpers\n"); |
| 2789 | VG_TRACK( new_mem_startup, |
| 2790 | (Addr)&VG_(trampoline_stuff_start), |
| 2791 | &VG_(trampoline_stuff_end) - &VG_(trampoline_stuff_start), |
| 2792 | False, /* readable? */ |
| 2793 | False, /* writable? */ |
| 2794 | True /* executable? */ ); |
| 2795 | |
| 2796 | //-------------------------------------------------------------- |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2797 | // Verbosity message |
| 2798 | // p: end_rdtsc_calibration [so startup message is printed first] |
| 2799 | //-------------------------------------------------------------- |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 2800 | if (VG_(clo_verbosity) == 1 && !VG_(clo_xml)) |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2801 | VG_(message)(Vg_UserMsg, "For more details, rerun with: -v"); |
| 2802 | if (VG_(clo_verbosity) > 0) |
| 2803 | VG_(message)(Vg_UserMsg, ""); |
| 2804 | |
| 2805 | //-------------------------------------------------------------- |
| 2806 | // Setup pointercheck |
njn | 04e1698 | 2005-05-31 00:23:43 +0000 | [diff] [blame] | 2807 | // p: layout_remaining_space() [for VG_(client_{base,end})] |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2808 | // p: process_cmd_line_options() [for VG_(clo_pointercheck)] |
| 2809 | //-------------------------------------------------------------- |
nethercote | 775508a | 2004-09-07 22:38:23 +0000 | [diff] [blame] | 2810 | if (VG_(clo_pointercheck)) |
njn | 04e1698 | 2005-05-31 00:23:43 +0000 | [diff] [blame] | 2811 | VG_(clo_pointercheck) = |
njn | af839f5 | 2005-06-23 03:27:57 +0000 | [diff] [blame] | 2812 | VG_(setup_pointercheck)( VG_(client_base), VG_(client_end)); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2813 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2814 | //-------------------------------------------------------------- |
rjwalsh | 0140af5 | 2005-06-04 20:42:33 +0000 | [diff] [blame] | 2815 | // register client stack |
| 2816 | //-------------------------------------------------------------- |
njn | 945ed2e | 2005-06-24 03:28:30 +0000 | [diff] [blame] | 2817 | VG_(clstk_id) = VG_(register_stack)(VG_(clstk_base), VG_(clstk_end)); |
rjwalsh | 0140af5 | 2005-06-04 20:42:33 +0000 | [diff] [blame] | 2818 | |
| 2819 | //-------------------------------------------------------------- |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2820 | // Run! |
| 2821 | //-------------------------------------------------------------- |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2822 | VGP_POPCC(VgpStartup); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2823 | |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 2824 | if (VG_(clo_xml)) { |
sewardj | 68cde6f | 2005-07-19 12:17:51 +0000 | [diff] [blame] | 2825 | HChar buf[50]; |
| 2826 | VG_(ctime)(buf); |
sewardj | 33e6042 | 2005-07-24 07:33:15 +0000 | [diff] [blame] | 2827 | VG_(message)(Vg_UserMsg, "<status> <state>RUNNING</state> " |
| 2828 | "<time>%t</time> </status>", buf); |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 2829 | VG_(message)(Vg_UserMsg, ""); |
| 2830 | } |
| 2831 | |
sewardj | 1fbc1a5 | 2005-04-25 02:05:54 +0000 | [diff] [blame] | 2832 | VG_(debugLog)(1, "main", "Running thread 1\n"); |
sewardj | 1d88711 | 2005-05-30 21:44:08 +0000 | [diff] [blame] | 2833 | /* As a result of the following call, the last thread standing |
| 2834 | eventually winds up running VG_(shutdown_actions_NORETURN) just |
| 2835 | below. */ |
njn | af839f5 | 2005-06-23 03:27:57 +0000 | [diff] [blame] | 2836 | VG_(main_thread_wrapper_NORETURN)(1); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2837 | |
sewardj | 1d88711 | 2005-05-30 21:44:08 +0000 | [diff] [blame] | 2838 | /*NOTREACHED*/ |
| 2839 | vg_assert(0); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2840 | } |
| 2841 | |
| 2842 | |
njn | 9cb54ac | 2005-06-12 04:19:17 +0000 | [diff] [blame] | 2843 | /* Final clean-up before terminating the process. |
| 2844 | Clean up the client by calling __libc_freeres() (if requested) |
| 2845 | This is Linux-specific? |
| 2846 | */ |
| 2847 | static void final_tidyup(ThreadId tid) |
| 2848 | { |
njn | bc6d84d | 2005-06-19 18:58:03 +0000 | [diff] [blame] | 2849 | Addr __libc_freeres_wrapper; |
| 2850 | |
njn | 9cb54ac | 2005-06-12 04:19:17 +0000 | [diff] [blame] | 2851 | vg_assert(VG_(is_running_thread)(tid)); |
| 2852 | |
njn | bc6d84d | 2005-06-19 18:58:03 +0000 | [diff] [blame] | 2853 | if ( !VG_(needs).libc_freeres || |
| 2854 | !VG_(clo_run_libc_freeres) || |
| 2855 | 0 == (__libc_freeres_wrapper = VG_(get_libc_freeres_wrapper)()) ) |
njn | 9cb54ac | 2005-06-12 04:19:17 +0000 | [diff] [blame] | 2856 | return; /* can't/won't do it */ |
| 2857 | |
| 2858 | if (VG_(clo_verbosity) > 2 || |
| 2859 | VG_(clo_trace_syscalls) || |
| 2860 | VG_(clo_trace_sched)) |
| 2861 | VG_(message)(Vg_DebugMsg, |
| 2862 | "Caught __NR_exit; running __libc_freeres()"); |
| 2863 | |
| 2864 | /* point thread context to point to libc_freeres_wrapper */ |
njn | f536bbb | 2005-06-13 04:21:38 +0000 | [diff] [blame] | 2865 | VG_(set_IP)(tid, __libc_freeres_wrapper); |
njn | 9cb54ac | 2005-06-12 04:19:17 +0000 | [diff] [blame] | 2866 | // XXX should we use a special stack? |
| 2867 | |
| 2868 | /* Block all blockable signals by copying the real block state into |
| 2869 | the thread's block state*/ |
| 2870 | VG_(sigprocmask)(VKI_SIG_BLOCK, NULL, &VG_(threads)[tid].sig_mask); |
| 2871 | VG_(threads)[tid].tmp_sig_mask = VG_(threads)[tid].sig_mask; |
| 2872 | |
| 2873 | /* and restore handlers to default */ |
| 2874 | VG_(set_default_handler)(VKI_SIGSEGV); |
| 2875 | VG_(set_default_handler)(VKI_SIGBUS); |
| 2876 | VG_(set_default_handler)(VKI_SIGILL); |
| 2877 | VG_(set_default_handler)(VKI_SIGFPE); |
| 2878 | |
| 2879 | // We were exiting, so assert that... |
| 2880 | vg_assert(VG_(is_exiting)(tid)); |
| 2881 | // ...but now we're not again |
| 2882 | VG_(threads)[tid].exitreason = VgSrc_None; |
| 2883 | |
| 2884 | // run until client thread exits - ideally with LIBC_FREERES_DONE, |
| 2885 | // but exit/exitgroup/signal will do |
| 2886 | VG_(scheduler)(tid); |
| 2887 | |
| 2888 | vg_assert(VG_(is_exiting)(tid)); |
| 2889 | } |
| 2890 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2891 | /* Do everything which needs doing when the last thread exits */ |
sewardj | 1d88711 | 2005-05-30 21:44:08 +0000 | [diff] [blame] | 2892 | void VG_(shutdown_actions_NORETURN) ( ThreadId tid, |
| 2893 | VgSchedReturnCode tids_schedretcode ) |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2894 | { |
sewardj | 1d88711 | 2005-05-30 21:44:08 +0000 | [diff] [blame] | 2895 | VG_(debugLog)(1, "main", "entering VG_(shutdown_actions_NORETURN)\n"); |
| 2896 | |
| 2897 | vg_assert( VG_(count_living_threads)() == 1 ); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2898 | vg_assert(VG_(is_running_thread)(tid)); |
| 2899 | |
| 2900 | // Wait for all other threads to exit. |
njn | 7b85dd5 | 2005-06-12 17:26:29 +0000 | [diff] [blame] | 2901 | VG_(reap_threads)(tid); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2902 | |
| 2903 | VG_(clo_model_pthreads) = False; |
| 2904 | |
| 2905 | // Clean the client up before the final report |
njn | 9cb54ac | 2005-06-12 04:19:17 +0000 | [diff] [blame] | 2906 | final_tidyup(tid); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 2907 | |
| 2908 | // OK, done |
| 2909 | VG_(exit_thread)(tid); |
| 2910 | |
| 2911 | /* should be no threads left */ |
| 2912 | vg_assert(VG_(count_living_threads)() == 0); |
| 2913 | |
| 2914 | VG_(threads)[tid].status = VgTs_Empty; |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2915 | //-------------------------------------------------------------- |
| 2916 | // Finalisation: cleanup, messages, etc. Order no so important, only |
| 2917 | // affects what order the messages come. |
| 2918 | //-------------------------------------------------------------- |
| 2919 | if (VG_(clo_verbosity) > 0) |
| 2920 | VG_(message)(Vg_UserMsg, ""); |
| 2921 | |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 2922 | if (VG_(clo_xml)) { |
sewardj | 68cde6f | 2005-07-19 12:17:51 +0000 | [diff] [blame] | 2923 | HChar buf[50]; |
sewardj | 9f297ca | 2005-05-20 02:29:52 +0000 | [diff] [blame] | 2924 | if (VG_(needs).core_errors || VG_(needs).tool_errors) { |
| 2925 | VG_(show_error_counts_as_XML)(); |
| 2926 | VG_(message)(Vg_UserMsg, ""); |
| 2927 | } |
sewardj | 68cde6f | 2005-07-19 12:17:51 +0000 | [diff] [blame] | 2928 | VG_(ctime)(buf); |
sewardj | 33e6042 | 2005-07-24 07:33:15 +0000 | [diff] [blame] | 2929 | VG_(message)(Vg_UserMsg, "<status> <state>FINISHED</state> " |
| 2930 | "<time>%t</time> </status>", buf); |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 2931 | VG_(message)(Vg_UserMsg, ""); |
| 2932 | } |
| 2933 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2934 | /* Print out file descriptor summary and stats. */ |
| 2935 | if (VG_(clo_track_fds)) |
nethercote | 3a42fb8 | 2004-08-03 18:08:50 +0000 | [diff] [blame] | 2936 | VG_(show_open_fds)(); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2937 | |
njn | 95ec870 | 2004-11-22 16:46:13 +0000 | [diff] [blame] | 2938 | if (VG_(needs).core_errors || VG_(needs).tool_errors) |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2939 | VG_(show_all_errors)(); |
| 2940 | |
njn | 51d827b | 2005-05-09 01:02:08 +0000 | [diff] [blame] | 2941 | VG_TDICT_CALL(tool_fini, 0/*exitcode*/); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2942 | |
sewardj | 71bc3cb | 2005-05-19 00:25:45 +0000 | [diff] [blame] | 2943 | if (VG_(clo_xml)) { |
| 2944 | VG_(message)(Vg_UserMsg, ""); |
| 2945 | VG_(message)(Vg_UserMsg, "</valgrindoutput>"); |
| 2946 | VG_(message)(Vg_UserMsg, ""); |
| 2947 | } |
| 2948 | |
nethercote | 885dd91 | 2004-08-03 23:14:00 +0000 | [diff] [blame] | 2949 | VG_(sanity_check_general)( True /*include expensive checks*/ ); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2950 | |
| 2951 | if (VG_(clo_verbosity) > 1) |
nethercote | 3a42fb8 | 2004-08-03 18:08:50 +0000 | [diff] [blame] | 2952 | print_all_stats(); |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2953 | |
nethercote | 71980f0 | 2004-01-24 18:18:54 +0000 | [diff] [blame] | 2954 | if (VG_(clo_profile)) |
njn | 31066fd | 2005-03-26 00:42:02 +0000 | [diff] [blame] | 2955 | VG_(done_profiling)(); |
njn | 2025cf9 | 2005-06-26 20:44:48 +0000 | [diff] [blame] | 2956 | |
| 2957 | if (VG_(clo_profile_flags) > 0) { |
| 2958 | #define N_MAX 100 |
| 2959 | BBProfEntry tops[N_MAX]; |
| 2960 | ULong score_total = VG_(get_BB_profile) (tops, N_MAX); |
| 2961 | show_BB_profile(tops, N_MAX, score_total); |
| 2962 | } |
sewardj | fa8ec11 | 2005-01-19 11:55:34 +0000 | [diff] [blame] | 2963 | |
sewardj | 8b635a4 | 2004-11-22 19:01:47 +0000 | [diff] [blame] | 2964 | /* Print Vex storage stats */ |
sewardj | bf42651 | 2005-01-17 18:35:30 +0000 | [diff] [blame] | 2965 | if (0) |
| 2966 | LibVEX_ShowAllocStats(); |
sewardj | 1d88711 | 2005-05-30 21:44:08 +0000 | [diff] [blame] | 2967 | |
njn | 8aa3585 | 2005-06-10 22:59:56 +0000 | [diff] [blame] | 2968 | /* Ok, finally exit in the os-specific way, according to the scheduler's |
| 2969 | return code. In short, if the (last) thread exited by calling |
| 2970 | sys_exit, do likewise; if the (last) thread stopped due to a fatal |
| 2971 | signal, terminate the entire system with that same fatal signal. */ |
| 2972 | VG_(debugLog)(1, "core_os", |
njn | 7b85dd5 | 2005-06-12 17:26:29 +0000 | [diff] [blame] | 2973 | "VG_(terminate_NORETURN)(tid=%lld)\n", (ULong)tid); |
njn | 8aa3585 | 2005-06-10 22:59:56 +0000 | [diff] [blame] | 2974 | |
| 2975 | vg_assert(VG_(count_living_threads)() == 0); |
| 2976 | |
| 2977 | switch (tids_schedretcode) { |
| 2978 | case VgSrc_ExitSyscall: /* the normal way out */ |
| 2979 | VG_(exit)( VG_(threads)[tid].os_state.exitcode ); |
| 2980 | /* NOT ALIVE HERE! */ |
| 2981 | VG_(core_panic)("entered the afterlife in main() -- ExitSyscall"); |
| 2982 | break; /* what the hell :) */ |
| 2983 | |
| 2984 | case VgSrc_FatalSig: |
| 2985 | /* We were killed by a fatal signal, so replicate the effect */ |
| 2986 | vg_assert(VG_(threads)[tid].os_state.fatalsig != 0); |
| 2987 | VG_(kill_self)(VG_(threads)[tid].os_state.fatalsig); |
| 2988 | VG_(core_panic)("main(): signal was supposed to be fatal"); |
| 2989 | break; |
| 2990 | |
| 2991 | default: |
| 2992 | VG_(core_panic)("main(): unexpected scheduler return code"); |
| 2993 | } |
njn | e96be67 | 2005-05-08 19:08:54 +0000 | [diff] [blame] | 2994 | } |
sewardj | 8b635a4 | 2004-11-22 19:01:47 +0000 | [diff] [blame] | 2995 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2996 | /*--------------------------------------------------------------------*/ |
njn | 04e1698 | 2005-05-31 00:23:43 +0000 | [diff] [blame] | 2997 | /*--- end ---*/ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 2998 | /*--------------------------------------------------------------------*/ |