sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1 | |
| 2 | /*--------------------------------------------------------------------*/ |
njn | 717cde5 | 2005-05-10 02:47:21 +0000 | [diff] [blame] | 3 | /*--- A header file for various private parts of Valgrind's core. ---*/ |
rjwalsh | 7109a8c | 2004-09-02 00:31:02 +0000 | [diff] [blame] | 4 | /*--- core.h ---*/ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 5 | /*--------------------------------------------------------------------*/ |
| 6 | |
| 7 | /* |
njn | b9c427c | 2004-12-01 14:14:42 +0000 | [diff] [blame] | 8 | This file is part of Valgrind, a dynamic binary instrumentation |
| 9 | framework. |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 10 | |
njn | 5361242 | 2005-03-12 16:22:54 +0000 | [diff] [blame] | 11 | Copyright (C) 2000-2005 Julian Seward |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 12 | jseward@acm.org |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 13 | |
| 14 | This program is free software; you can redistribute it and/or |
| 15 | modify it under the terms of the GNU General Public License as |
| 16 | published by the Free Software Foundation; either version 2 of the |
| 17 | License, or (at your option) any later version. |
| 18 | |
| 19 | This program is distributed in the hope that it will be useful, but |
| 20 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 22 | General Public License for more details. |
| 23 | |
| 24 | You should have received a copy of the GNU General Public License |
| 25 | along with this program; if not, write to the Free Software |
| 26 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 27 | 02111-1307, USA. |
| 28 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 29 | The GNU General Public License is contained in the file COPYING. |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 30 | */ |
| 31 | |
rjwalsh | 7109a8c | 2004-09-02 00:31:02 +0000 | [diff] [blame] | 32 | #ifndef __CORE_H |
| 33 | #define __CORE_H |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 34 | |
nethercote | 1334313 | 2004-09-02 15:49:09 +0000 | [diff] [blame] | 35 | #include "tool.h" // tool stuff |
nethercote | bb4222b | 2004-09-10 17:42:11 +0000 | [diff] [blame] | 36 | #include "core_arch.h" // arch-specific stuff, eg. x86/core_arch.h |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 37 | |
| 38 | // Ugly: this is needed by linux/core_os.h |
| 39 | typedef struct _ThreadState ThreadState; |
| 40 | |
nethercote | bb4222b | 2004-09-10 17:42:11 +0000 | [diff] [blame] | 41 | #include "core_platform.h" // platform-specific stuff, |
| 42 | // eg. x86-linux/core_platform.h |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 43 | #include "core_os.h" // OS-specific stuff, eg. linux/core_os.h |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 44 | |
njn | 717cde5 | 2005-05-10 02:47:21 +0000 | [diff] [blame] | 45 | #include "pub_core_mallocfree.h" // for type 'ArenaId' |
njn | d01fef7 | 2005-03-25 23:35:48 +0000 | [diff] [blame] | 46 | #include "pub_core_stacktrace.h" // for type 'StackTrace' |
| 47 | |
njn | 4f6e370 | 2005-05-16 20:50:52 +0000 | [diff] [blame^] | 48 | #include <setjmp.h> /* for jmp_buf */ |
| 49 | |
nethercote | 7be4725 | 2004-09-02 16:02:58 +0000 | [diff] [blame] | 50 | /* --------------------------------------------------------------------- |
njn | 14319cc | 2005-03-13 06:26:22 +0000 | [diff] [blame] | 51 | Global macros. |
nethercote | 7be4725 | 2004-09-02 16:02:58 +0000 | [diff] [blame] | 52 | ------------------------------------------------------------------ */ |
| 53 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 54 | /* Max length of a text fragment used to construct error messages. */ |
njn | 47b209a | 2005-03-25 23:47:16 +0000 | [diff] [blame] | 55 | #define VG_ERRTXT_LEN 4096 |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 56 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 57 | /* The maximum number of calls we're prepared to save in a |
| 58 | backtrace. */ |
| 59 | #define VG_DEEPEST_BACKTRACE 50 |
| 60 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 61 | /* Useful macros */ |
| 62 | /* a - alignment - must be a power of 2 */ |
tom | de2ec26 | 2005-03-29 12:16:10 +0000 | [diff] [blame] | 63 | #define ROUNDDN(p, a) ((Addr)(p) & ~((Addr)(a)-1)) |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 64 | #define ROUNDUP(p, a) ROUNDDN((p)+(a)-1, (a)) |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 65 | #define PGROUNDDN(p) ROUNDDN(p, VKI_PAGE_SIZE) |
| 66 | #define PGROUNDUP(p) ROUNDUP(p, VKI_PAGE_SIZE) |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 67 | |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 68 | |
nethercote | 80013e9 | 2004-09-05 20:39:51 +0000 | [diff] [blame] | 69 | /* --------------------------------------------------------------------- |
| 70 | Environment variables |
| 71 | ------------------------------------------------------------------ */ |
| 72 | |
| 73 | /* The directory we look for all our auxillary files in */ |
| 74 | #define VALGRINDLIB "VALGRINDLIB" |
| 75 | |
| 76 | /* Additional command-line arguments; they are overridden by actual |
| 77 | command-line option. Each argument is separated by spaces. There |
| 78 | is no quoting mechanism. |
| 79 | */ |
| 80 | #define VALGRINDOPTS "VALGRIND_OPTS" |
| 81 | |
| 82 | /* If this variable is present in the environment, then valgrind will |
| 83 | not parse the command line for options at all; all options come |
| 84 | from this variable. Arguments are terminated by ^A (\001). There |
| 85 | is no quoting mechanism. |
| 86 | |
| 87 | This variable is not expected to be set by anything other than |
| 88 | Valgrind itself, as part of its handling of execve with |
| 89 | --trace-children=yes. This variable should not be present in the |
| 90 | client environment. |
| 91 | */ |
| 92 | #define VALGRINDCLO "_VALGRIND_CLO" |
| 93 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 94 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 95 | /* --------------------------------------------------------------------- |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 96 | Command-line-settable options |
| 97 | ------------------------------------------------------------------ */ |
| 98 | |
sewardj | 4f094a7 | 2002-11-05 23:37:35 +0000 | [diff] [blame] | 99 | /* Default destination port to be used in logging over a network, if |
| 100 | none specified. */ |
| 101 | #define VG_CLO_DEFAULT_LOGPORT 1500 |
sewardj | 73cf3bc | 2002-11-03 03:20:15 +0000 | [diff] [blame] | 102 | |
| 103 | /* The max number of suppression files. */ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 104 | #define VG_CLO_MAX_SFILES 10 |
| 105 | |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 106 | /* Application-visible file descriptor limits */ |
| 107 | extern Int VG_(fd_soft_limit); |
| 108 | extern Int VG_(fd_hard_limit); |
fitzhardinge | f0046f2 | 2003-12-18 02:39:22 +0000 | [diff] [blame] | 109 | |
sewardj | 8b635a4 | 2004-11-22 19:01:47 +0000 | [diff] [blame] | 110 | /* Vex iropt control */ |
| 111 | extern VexControl VG_(clo_vex_control); |
sewardj | 72f98ff | 2002-06-13 17:23:38 +0000 | [diff] [blame] | 112 | /* Should we stop collecting errors if too many appear? default: YES */ |
sewardj | 2e43290 | 2002-06-13 20:44:00 +0000 | [diff] [blame] | 113 | extern Bool VG_(clo_error_limit); |
nethercote | 04d0fbc | 2004-01-26 16:48:06 +0000 | [diff] [blame] | 114 | /* Enquire about whether to attach to a debugger at errors? default: NO */ |
| 115 | extern Bool VG_(clo_db_attach); |
| 116 | /* The debugger command? default: whatever gdb ./configure found */ |
| 117 | extern Char* VG_(clo_db_command); |
sewardj | d153fae | 2005-01-10 17:24:47 +0000 | [diff] [blame] | 118 | /* Generating a suppression for each error? default: 0 (NO) |
| 119 | Other values: 1 (yes, but ask user), 2 (yes, don't ask user) */ |
| 120 | extern Int VG_(clo_gen_suppressions); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 121 | /* Sanity-check level: 0 = none, 1 (default), > 1 = expensive. */ |
nethercote | 27fec90 | 2004-06-16 21:26:32 +0000 | [diff] [blame] | 122 | extern Int VG_(clo_sanity_level); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 123 | /* Automatically attempt to demangle C++ names? default: YES */ |
| 124 | extern Bool VG_(clo_demangle); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 125 | /* Simulate child processes? default: NO */ |
| 126 | extern Bool VG_(clo_trace_children); |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 127 | |
| 128 | /* Where logging output is to be sent to. |
| 129 | |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 130 | With --log-fd (and by default), clo_log_fd holds the file id, and is |
| 131 | taken from the command line. (fd 2, stderr, is the default.) |
| 132 | clo_log_name is irrelevant. |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 133 | |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 134 | With --log-file/--log-file-exactly, clo_log_name holds the log-file |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 135 | name, and is taken from the command line. clo_log_fd is then |
| 136 | made to hold the relevant file id, by opening clo_log_name |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 137 | (concatenated with the process ID) for writing. |
| 138 | |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 139 | With --log-socket, clo_log_name holds the hostname:portnumber pair, |
| 140 | and is taken from the command line. clo_log_fd is then made to hold |
| 141 | the relevant file handle, by opening a connection to that |
| 142 | hostname:portnumber pair. |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 143 | |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 144 | Global default is to set log_to == VgLogTo_Fd and log_fd == 2 |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 145 | (stderr). */ |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 146 | extern Int VG_(clo_log_fd); |
| 147 | extern Char* VG_(clo_log_name); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 148 | |
thughes | 6233a38 | 2004-08-21 11:10:44 +0000 | [diff] [blame] | 149 | /* Add timestamps to log messages? default: NO */ |
| 150 | extern Bool VG_(clo_time_stamp); |
| 151 | |
sewardj | 6024b21 | 2003-07-13 10:54:33 +0000 | [diff] [blame] | 152 | /* The file descriptor to read for input. default: 0 == stdin */ |
| 153 | extern Int VG_(clo_input_fd); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 154 | /* The number of suppression files specified. */ |
| 155 | extern Int VG_(clo_n_suppressions); |
| 156 | /* The names of the suppression files. */ |
| 157 | extern Char* VG_(clo_suppressions)[VG_CLO_MAX_SFILES]; |
| 158 | |
sewardj | c771b29 | 2004-11-30 18:55:21 +0000 | [diff] [blame] | 159 | /* DEBUG: print generated code? default: 00000000 ( == NO ) */ |
sewardj | fa8ec11 | 2005-01-19 11:55:34 +0000 | [diff] [blame] | 160 | extern Bool VG_(clo_trace_flags); |
| 161 | /* DEBUG: do bb profiling? default: 00000000 ( == NO ) */ |
| 162 | extern Bool VG_(clo_profile_flags); |
sewardj | c771b29 | 2004-11-30 18:55:21 +0000 | [diff] [blame] | 163 | /* DEBUG: if tracing codegen, be quiet until after this bb ( 0 ) */ |
| 164 | extern Int VG_(clo_trace_notbelow); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 165 | /* DEBUG: print system calls? default: NO */ |
| 166 | extern Bool VG_(clo_trace_syscalls); |
| 167 | /* DEBUG: print signal details? default: NO */ |
| 168 | extern Bool VG_(clo_trace_signals); |
| 169 | /* DEBUG: print symtab details? default: NO */ |
| 170 | extern Bool VG_(clo_trace_symtab); |
sewardj | ce058b0 | 2005-05-01 08:55:38 +0000 | [diff] [blame] | 171 | /* DEBUG: print call-frame-info details? default: NO */ |
| 172 | extern Bool VG_(clo_trace_cfi); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 173 | /* DEBUG: print redirection details? default: NO */ |
| 174 | extern Bool VG_(clo_trace_redir); |
sewardj | 8937c81 | 2002-04-12 20:12:20 +0000 | [diff] [blame] | 175 | /* DEBUG: print thread scheduling events? default: NO */ |
| 176 | extern Bool VG_(clo_trace_sched); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 177 | /* DEBUG: print pthreads calls? default: NO */ |
| 178 | extern Bool VG_(clo_trace_pthreads); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 179 | /* Display gory details for the k'th most popular error. default: |
| 180 | Infinity. */ |
| 181 | extern Int VG_(clo_dump_error); |
| 182 | /* Number of parents of a backtrace. Default: 8. */ |
| 183 | extern Int VG_(clo_backtrace_size); |
daywalker | 7e73e5f | 2003-07-04 16:18:15 +0000 | [diff] [blame] | 184 | /* Engage miscellaneous weird hacks needed for some progs. */ |
sewardj | 8d365b5 | 2002-05-12 10:52:16 +0000 | [diff] [blame] | 185 | extern Char* VG_(clo_weird_hacks); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 186 | |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 187 | /* Track open file descriptors? */ |
| 188 | extern Bool VG_(clo_track_fds); |
| 189 | |
sewardj | 858964b | 2002-10-05 14:15:43 +0000 | [diff] [blame] | 190 | /* Should we run __libc_freeres at exit? Sometimes causes crashes. |
| 191 | Default: YES. Note this is subservient to VG_(needs).libc_freeres; |
| 192 | if the latter says False, then the setting of VG_(clo_weird_hacks) |
nethercote | 996901a | 2004-08-03 13:29:09 +0000 | [diff] [blame] | 193 | is ignored. Ie if a tool says no, I don't want this to run, that |
sewardj | 858964b | 2002-10-05 14:15:43 +0000 | [diff] [blame] | 194 | cannot be overridden from the command line. */ |
| 195 | extern Bool VG_(clo_run_libc_freeres); |
fitzhardinge | 462f4f9 | 2003-12-18 02:10:54 +0000 | [diff] [blame] | 196 | /* Generate branch-prediction hints? */ |
| 197 | extern Bool VG_(clo_branchpred); |
nethercote | 77eba60 | 2003-11-13 17:35:04 +0000 | [diff] [blame] | 198 | /* Continue stack traces below main()? Default: NO */ |
| 199 | extern Bool VG_(clo_show_below_main); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 200 | /* Test each client pointer dereference to check it's within the |
| 201 | client address space bounds */ |
| 202 | extern Bool VG_(clo_pointercheck); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 203 | /* Model the pthread library */ |
| 204 | extern Bool VG_(clo_model_pthreads); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 205 | |
sewardj | 062f355 | 2005-01-06 16:13:40 +0000 | [diff] [blame] | 206 | /* HACK: Use hacked version of clone for Quadrics Elan3 drivers */ |
| 207 | extern Bool VG_(clo_support_elan3); |
| 208 | |
sewardj | b1131a8 | 2005-03-19 15:12:21 +0000 | [diff] [blame] | 209 | /* Should we show VEX emulation warnings? Default: NO */ |
| 210 | extern Bool VG_(clo_show_emwarns); |
| 211 | |
sewardj | 97724e5 | 2005-04-02 23:40:59 +0000 | [diff] [blame] | 212 | /* How much does the stack pointer have to change before tools |
| 213 | consider a stack switch to have happened? Default: 2000000 bytes */ |
| 214 | extern Int VG_(clo_max_stackframe); |
| 215 | |
rjwalsh | e4e779d | 2004-04-16 23:02:29 +0000 | [diff] [blame] | 216 | /* Set up the libc freeres wrapper */ |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 217 | extern void VGA_(intercept_libc_freeres_wrapper)(Addr); |
rjwalsh | e4e779d | 2004-04-16 23:02:29 +0000 | [diff] [blame] | 218 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 219 | // Clean up the client by calling before the final reports |
| 220 | extern void VGA_(final_tidyup)(ThreadId tid); |
| 221 | |
| 222 | // Arch-specific client requests |
| 223 | extern Bool VGA_(client_requests)(ThreadId tid, UWord *args); |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 224 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 225 | /* --------------------------------------------------------------------- |
nethercote | 85cdd34 | 2004-08-01 22:36:40 +0000 | [diff] [blame] | 226 | Profiling stuff |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 227 | ------------------------------------------------------------------ */ |
| 228 | |
njn | 31066fd | 2005-03-26 00:42:02 +0000 | [diff] [blame] | 229 | extern void VG_(init_profiling) ( void ); |
| 230 | extern void VG_(done_profiling) ( void ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 231 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 232 | #undef VGP_PUSHCC |
| 233 | #undef VGP_POPCC |
njn | 31066fd | 2005-03-26 00:42:02 +0000 | [diff] [blame] | 234 | #define VGP_PUSHCC(x) if (VG_(clo_profile)) VG_(pushcc)(x) |
| 235 | #define VGP_POPCC(x) if (VG_(clo_profile)) VG_(popcc)(x) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 236 | |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 237 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 238 | /* --------------------------------------------------------------------- |
njn | 3e88418 | 2003-04-15 13:03:23 +0000 | [diff] [blame] | 239 | Exports of vg_intercept.c |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 240 | ------------------------------------------------------------------ */ |
| 241 | |
njn | a91498f | 2005-05-11 22:32:39 +0000 | [diff] [blame] | 242 | /* These are the internal client request codes. The publically-visible |
| 243 | request codes are also defined in valgrind.h, and similar headers for |
| 244 | some tools. */ |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 245 | |
njn | a91498f | 2005-05-11 22:32:39 +0000 | [diff] [blame] | 246 | /* Get the tool's malloc-wrapping functions */ |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 247 | #define VG_USERREQ__GET_MALLOCFUNCS 0x3030 |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 248 | |
fitzhardinge | 39de4b4 | 2003-10-31 07:12:21 +0000 | [diff] [blame] | 249 | /* Internal equivalent of VALGRIND_PRINTF . */ |
| 250 | #define VG_USERREQ__INTERNAL_PRINTF 0x3103 |
sewardj | 45b4b37 | 2002-04-16 22:50:32 +0000 | [diff] [blame] | 251 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 252 | /* Denote the finish of __libc_freeres_wrapper(). |
| 253 | A synonym for exit. */ |
| 254 | #define VG_USERREQ__LIBC_FREERES_DONE 0x3029 |
sewardj | 54cacf0 | 2002-04-12 23:24:59 +0000 | [diff] [blame] | 255 | |
njn | 717cde5 | 2005-05-10 02:47:21 +0000 | [diff] [blame] | 256 | /* Intercept prefix stuff. See |
| 257 | coregrind/m_replace_malloc/vg_replace_malloc.c for details. |
| 258 | Unfortunately the "_vgi_" literal is also hardcoded in that file, so if |
| 259 | you change this one you must also change the other one. */ |
sewardj | 9ee81f5 | 2005-04-02 17:38:59 +0000 | [diff] [blame] | 260 | #define VG_INTERCEPT_PREFIX "_vgi_" |
| 261 | #define VG_INTERCEPT_PREFIX_LEN 5 |
rjwalsh | e4e779d | 2004-04-16 23:02:29 +0000 | [diff] [blame] | 262 | |
sewardj | 9ee81f5 | 2005-04-02 17:38:59 +0000 | [diff] [blame] | 263 | /* Not sure what these are for. Todo: clarify */ |
| 264 | #define VG_WRAPPER_PREFIX "_vgw_" |
| 265 | #define VG_WRAPPER_PREFIX_LEN 5 |
| 266 | #define VG_WRAPPER(name) _vgw_##name |
| 267 | #define VG_WRAPPER_ALIAS(name) "_vgw_" #name |
rjwalsh | e4e779d | 2004-04-16 23:02:29 +0000 | [diff] [blame] | 268 | |
njn | 4c79121 | 2003-05-02 17:53:54 +0000 | [diff] [blame] | 269 | |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 270 | /* --------------------------------------------------------------------- |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 271 | Exports of vg_scheduler.c |
| 272 | ------------------------------------------------------------------ */ |
| 273 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 274 | /* |
| 275 | Thread state machine: |
| 276 | |
| 277 | Empty -> Init -> Runnable <=> WaitSys/Yielding |
| 278 | ^ | |
| 279 | \---- Zombie -----/ |
| 280 | */ |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 281 | typedef |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 282 | enum ThreadStatus { |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 283 | VgTs_Empty, /* this slot is not in use */ |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 284 | VgTs_Init, /* just allocated */ |
| 285 | VgTs_Runnable, /* ready to run */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 286 | VgTs_WaitSys, /* waiting for a syscall to complete */ |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 287 | VgTs_Yielding, /* temporarily yielding the CPU */ |
| 288 | VgTs_Zombie, /* transient state just before exiting */ |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 289 | } |
| 290 | ThreadStatus; |
sewardj | 8ad94e1 | 2002-05-29 00:10:20 +0000 | [diff] [blame] | 291 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 292 | /* Return codes from the scheduler. */ |
thughes | 11975ff | 2004-06-12 12:58:22 +0000 | [diff] [blame] | 293 | typedef |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 294 | enum { |
| 295 | VgSrc_None, /* not exiting yet */ |
| 296 | VgSrc_ExitSyscall, /* client called exit(). This is the normal |
| 297 | route out. */ |
| 298 | VgSrc_FatalSig /* Killed by the default action of a fatal |
| 299 | signal */ |
thughes | 11975ff | 2004-06-12 12:58:22 +0000 | [diff] [blame] | 300 | } |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 301 | VgSchedReturnCode; |
thughes | 11975ff | 2004-06-12 12:58:22 +0000 | [diff] [blame] | 302 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 303 | struct _ThreadState { |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 304 | /* ThreadId == 0 (and hence vg_threads[0]) is NEVER USED. |
| 305 | The thread identity is simply the index in vg_threads[]. |
| 306 | ThreadId == 1 is the root thread and has the special property |
| 307 | that we don't try and allocate or deallocate its stack. For |
| 308 | convenience of generating error message, we also put the |
| 309 | ThreadId in this tid field, but be aware that it should |
| 310 | ALWAYS == the index in vg_threads[]. */ |
| 311 | ThreadId tid; |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 312 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 313 | /* Current scheduling status. */ |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 314 | ThreadStatus status; |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 315 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 316 | /* This is set if the thread is in the process of exiting for any |
| 317 | reason. The precise details of the exit are in the OS-specific |
| 318 | state. */ |
| 319 | VgSchedReturnCode exitreason; |
sewardj | 3b5d886 | 2002-04-20 13:53:23 +0000 | [diff] [blame] | 320 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 321 | /* Architecture-specific thread state. */ |
| 322 | ThreadArchState arch; |
sewardj | b48e500 | 2002-05-13 00:16:03 +0000 | [diff] [blame] | 323 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 324 | /* This thread's blocked-signals mask. Semantics is that for a |
| 325 | signal to be delivered to this thread, the signal must not be |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 326 | blocked by this signal mask. If more than one thread accepts a |
| 327 | signal, then it will be delivered to one at random. If all |
| 328 | threads block the signal, it will remain pending until either a |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 329 | thread unblocks it or someone uses sigwaitsig/sigtimedwait. */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 330 | vki_sigset_t sig_mask; |
sewardj | b48e500 | 2002-05-13 00:16:03 +0000 | [diff] [blame] | 331 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 332 | /* tmp_sig_mask is usually the same as sig_mask, and is kept in |
| 333 | sync whenever sig_mask is changed. The only time they have |
| 334 | different values is during the execution of a sigsuspend, where |
| 335 | tmp_sig_mask is the temporary mask which sigsuspend installs. |
| 336 | It is only consulted to compute the signal mask applied to a |
| 337 | signal handler. */ |
| 338 | vki_sigset_t tmp_sig_mask; |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 339 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 340 | /* A little signal queue for signals we can't get the kernel to |
| 341 | queue for us. This is only allocated as needed, since it should |
| 342 | be rare. */ |
| 343 | struct SigQueue *sig_queue; |
| 344 | |
| 345 | /* Syscall the Thread is currently running; -1 if none. Should only |
| 346 | be set while Thread is in VgTs_WaitSys. */ |
| 347 | Int syscallno; |
| 348 | |
| 349 | /* A value the Tool wants to pass from its pre-syscall to its |
| 350 | post-syscall function. */ |
| 351 | void *tool_pre_syscall_value; |
thughes | 8abf392 | 2004-10-16 10:59:49 +0000 | [diff] [blame] | 352 | |
njn | 50ba34e | 2005-04-04 02:41:42 +0000 | [diff] [blame] | 353 | /* Client stacks. When a thread slot is freed, we don't deallocate its |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 354 | stack; we just leave it lying around for the next use of the |
| 355 | slot. If the next use of the slot requires a larger stack, |
| 356 | only then is the old one deallocated and a new one |
| 357 | allocated. |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 358 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 359 | For the main thread (threadid == 0), this mechanism doesn't |
| 360 | apply. We don't know the size of the stack since we didn't |
| 361 | allocate it, and furthermore we never reallocate it. */ |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 362 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 363 | /* The allocated size of this thread's stack (permanently zero |
| 364 | if this is ThreadId == 0, since we didn't allocate its stack) */ |
njn | 50ba34e | 2005-04-04 02:41:42 +0000 | [diff] [blame] | 365 | SizeT client_stack_szB; |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 366 | |
sewardj | 92a5956 | 2002-09-30 00:53:10 +0000 | [diff] [blame] | 367 | /* Address of the highest legitimate word in this stack. This is |
| 368 | used for error messages only -- not critical for execution |
| 369 | correctness. Is is set for all stacks, specifically including |
| 370 | ThreadId == 0 (the main thread). */ |
njn | 50ba34e | 2005-04-04 02:41:42 +0000 | [diff] [blame] | 371 | Addr client_stack_highest_word; |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 372 | |
fitzhardinge | 98c4dc0 | 2004-03-16 08:27:29 +0000 | [diff] [blame] | 373 | /* Alternate signal stack */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 374 | vki_stack_t altstack; |
fitzhardinge | 98c4dc0 | 2004-03-16 08:27:29 +0000 | [diff] [blame] | 375 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 376 | /* OS-specific thread state */ |
| 377 | os_thread_t os_state; |
sewardj | 004e8ca | 2005-02-28 17:27:04 +0000 | [diff] [blame] | 378 | |
| 379 | /* Used in the syscall handlers. Set to True to indicate that the |
| 380 | PRE routine for a syscall has set the syscall result already and |
| 381 | so the syscall does not need to be handed to the kernel. */ |
| 382 | Bool syscall_result_set; |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 383 | |
| 384 | /* Per-thread jmp_buf to resume scheduler after a signal */ |
| 385 | Bool sched_jmpbuf_valid; |
| 386 | jmp_buf sched_jmpbuf; |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 387 | }; |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 388 | |
sewardj | 018f762 | 2002-05-15 21:13:39 +0000 | [diff] [blame] | 389 | /* The thread table. */ |
| 390 | extern ThreadState VG_(threads)[VG_N_THREADS]; |
| 391 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 392 | /* Allocate a new ThreadState */ |
| 393 | extern ThreadId VG_(alloc_ThreadState)(void); |
| 394 | |
| 395 | /* A thread exits. tid must currently be running. */ |
| 396 | extern void VG_(exit_thread)(ThreadId tid); |
| 397 | |
| 398 | /* Kill a thread. This interrupts whatever a thread is doing, and |
| 399 | makes it exit ASAP. This does not set the exitreason or |
| 400 | exitcode. */ |
| 401 | extern void VG_(kill_thread)(ThreadId tid); |
| 402 | |
sewardj | 018f762 | 2002-05-15 21:13:39 +0000 | [diff] [blame] | 403 | /* Check that tid is in range and denotes a non-Empty thread. */ |
sewardj | b48e500 | 2002-05-13 00:16:03 +0000 | [diff] [blame] | 404 | extern Bool VG_(is_valid_tid) ( ThreadId tid ); |
| 405 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 406 | /* Get the ThreadState for a particular thread */ |
| 407 | extern ThreadState *VG_(get_ThreadState)(ThreadId tid); |
| 408 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 409 | /* Given an LWP id (ie, real kernel thread id), find the corresponding |
| 410 | ThreadId */ |
| 411 | extern ThreadId VG_(get_lwp_tid)(Int lwpid); |
| 412 | |
| 413 | /* Returns true if a thread is currently running (ie, has the CPU lock) */ |
| 414 | extern Bool VG_(is_running_thread)(ThreadId tid); |
| 415 | |
| 416 | /* Returns true if the thread is in the process of exiting */ |
| 417 | extern Bool VG_(is_exiting)(ThreadId tid); |
| 418 | |
| 419 | /* Return the number of non-dead Threads */ |
| 420 | extern Int VG_(count_living_threads)(void); |
| 421 | |
sewardj | ccef2e6 | 2002-05-29 19:26:32 +0000 | [diff] [blame] | 422 | /* Nuke all threads except tid. */ |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 423 | extern void VG_(nuke_all_threads_except) ( ThreadId me, VgSchedReturnCode reason ); |
sewardj | ccef2e6 | 2002-05-29 19:26:32 +0000 | [diff] [blame] | 424 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 425 | /* Make a thread the running thread. The thread must previously been |
| 426 | sleeping, and not holding the CPU semaphore. This will set the |
| 427 | thread state to VgTs_Runnable, and the thread will attempt to take |
| 428 | the CPU semaphore. By the time it returns, tid will be the running |
| 429 | thread. */ |
| 430 | extern void VG_(set_running) ( ThreadId tid ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 431 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 432 | /* Set a thread into a sleeping state. Before the call, the thread |
| 433 | must be runnable, and holding the CPU semaphore. When this call |
| 434 | returns, the thread will be set to the specified sleeping state, |
| 435 | and will not be holding the CPU semaphore. Note that another |
| 436 | thread could be running by the time this call returns, so the |
| 437 | caller must be careful not to touch any shared state. It is also |
| 438 | the caller's responsibility to actually block until the thread is |
| 439 | ready to run again. */ |
| 440 | extern void VG_(set_sleeping) ( ThreadId tid, ThreadStatus state ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 441 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 442 | /* Yield the CPU for a while */ |
| 443 | extern void VG_(vg_yield)(void); |
sewardj | 7e87e38 | 2002-05-03 19:09:05 +0000 | [diff] [blame] | 444 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 445 | // The scheduler. |
| 446 | extern VgSchedReturnCode VG_(scheduler) ( ThreadId tid ); |
| 447 | |
| 448 | // Do everything which needs doing before the process finally ends, |
| 449 | // like printing reports, etc |
| 450 | extern void VG_(shutdown_actions)(ThreadId tid); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 451 | |
| 452 | extern void VG_(scheduler_init) ( void ); |
| 453 | |
sewardj | 15a43e1 | 2002-04-17 19:35:12 +0000 | [diff] [blame] | 454 | extern void VG_(pp_sched_status) ( void ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 455 | |
nethercote | 75d2624 | 2004-08-01 22:59:18 +0000 | [diff] [blame] | 456 | // Longjmp back to the scheduler and thus enter the sighandler immediately. |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 457 | extern void VG_(resume_scheduler) ( ThreadId tid ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 458 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 459 | /* If true, a fault is Valgrind-internal (ie, a bug) */ |
| 460 | extern Bool VG_(my_fault); |
nethercote | 238a3c3 | 2004-08-09 13:13:31 +0000 | [diff] [blame] | 461 | |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 462 | /* --------------------------------------------------------------------- |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 463 | Exports of vg_signals.c |
| 464 | ------------------------------------------------------------------ */ |
| 465 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 466 | /* Highest signal the kernel will let us use */ |
| 467 | extern Int VG_(max_signal); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 468 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 469 | extern void VG_(sigstartup_actions) ( void ); |
| 470 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 471 | extern Bool VG_(is_sig_ign) ( Int sigNo ); |
| 472 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 473 | /* Poll a thread's set of pending signals, and update the Thread's context to deliver one */ |
| 474 | extern void VG_(poll_signals) ( ThreadId ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 475 | |
| 476 | /* Fake system calls for signal handling. */ |
njn | 502badb | 2005-05-08 02:04:49 +0000 | [diff] [blame] | 477 | extern Int VG_(do_sys_sigaltstack) ( ThreadId tid, vki_stack_t* ss, |
| 478 | vki_stack_t* oss ); |
| 479 | extern Int VG_(do_sys_sigaction) ( Int signo, |
| 480 | const struct vki_sigaction *new_act, |
| 481 | struct vki_sigaction *old_act ); |
| 482 | extern Int VG_(do_sys_sigprocmask) ( ThreadId tid, Int how, |
| 483 | vki_sigset_t* set, |
| 484 | vki_sigset_t* oldset ); |
sewardj | efbfcdf | 2002-06-19 17:35:45 +0000 | [diff] [blame] | 485 | |
njn | 444eba1 | 2005-05-12 03:47:31 +0000 | [diff] [blame] | 486 | extern void VG_(clear_out_queued_signals) |
| 487 | ( ThreadId tid, /* OUT */ vki_sigset_t* saved_mask ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 488 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 489 | extern void VG_(kill_self)(Int sigNo); |
| 490 | |
fitzhardinge | f1beb25 | 2004-03-16 09:49:08 +0000 | [diff] [blame] | 491 | /* These function synthesize a fault, as if the running instruction |
| 492 | had had a fault. These functions do not return - they longjmp back |
| 493 | into the scheduler so the signal can be delivered. */ |
| 494 | extern void VG_(synth_fault) (ThreadId tid); |
| 495 | extern void VG_(synth_fault_mapping)(ThreadId tid, Addr addr); |
| 496 | extern void VG_(synth_fault_perms) (ThreadId tid, Addr addr); |
sewardj | 5e2f001 | 2004-12-13 14:10:34 +0000 | [diff] [blame] | 497 | extern void VG_(synth_sigill) (ThreadId tid, Addr addr); |
fitzhardinge | f1beb25 | 2004-03-16 09:49:08 +0000 | [diff] [blame] | 498 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 499 | /* Extend the stack to cover addr, if possible */ |
| 500 | extern Bool VG_(extend_stack)(Addr addr, UInt maxsize); |
| 501 | |
| 502 | /* Returns True if the signal is OK for the client to use */ |
| 503 | extern Bool VG_(client_signal_OK)(Int sigNo); |
| 504 | |
| 505 | /* Forces the client's signal handler to SIG_DFL - generally just |
| 506 | before using that signal to kill the process. */ |
| 507 | extern void VG_(set_default_handler)(Int sig); |
| 508 | |
| 509 | /* Adjust a client's signal mask to match our internal requirements */ |
| 510 | extern void VG_(sanitize_client_sigmask)(ThreadId tid, vki_sigset_t *mask); |
| 511 | |
| 512 | /* Wait until a thread-related predicate is true */ |
| 513 | extern void VG_(wait_for_threadstate)(Bool (*pred)(void *), void *arg); |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 514 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 515 | /* --------------------------------------------------------------------- |
| 516 | Exports of vg_mylibc.c |
| 517 | ------------------------------------------------------------------ */ |
| 518 | |
njn | ca0518d | 2004-11-26 19:34:36 +0000 | [diff] [blame] | 519 | // Useful for making failing stubs, when certain things haven't yet been |
| 520 | // implemented. |
njn | 50ae1a7 | 2005-04-08 23:28:23 +0000 | [diff] [blame] | 521 | #define I_die_here \ |
sewardj | 0ab10c4 | 2005-05-12 08:26:36 +0000 | [diff] [blame] | 522 | VG_(assert_fail) (/*isCore*//*BOGUS*/True, \ |
| 523 | "Unimplemented functionality", \ |
njn | 50ae1a7 | 2005-04-08 23:28:23 +0000 | [diff] [blame] | 524 | __FILE__, __LINE__, __PRETTY_FUNCTION__, \ |
| 525 | "valgrind", VG_BUGS_TO, "") |
njn | ca0518d | 2004-11-26 19:34:36 +0000 | [diff] [blame] | 526 | |
njn | 50ae1a7 | 2005-04-08 23:28:23 +0000 | [diff] [blame] | 527 | #define vg_assert(expr) \ |
| 528 | ((void) ((expr) ? 0 : \ |
| 529 | (VG_(assert_fail) (/*isCore*/True, VG_STRINGIFY(expr), \ |
| 530 | __FILE__, __LINE__, __PRETTY_FUNCTION__, \ |
| 531 | ""), \ |
| 532 | 0))) |
| 533 | |
| 534 | #define vg_assert2(expr, format, args...) \ |
| 535 | ((void) ((expr) ? 0 : \ |
| 536 | (VG_(assert_fail) (/*isCore*/True, VG_STRINGIFY(expr), \ |
| 537 | __FILE__, __LINE__, __PRETTY_FUNCTION__, \ |
| 538 | format, ##args), \ |
| 539 | 0))) |
| 540 | |
njn | e427a66 | 2002-10-02 11:08:25 +0000 | [diff] [blame] | 541 | __attribute__ ((__noreturn__)) |
| 542 | extern void VG_(core_panic) ( Char* str ); |
thughes | 5876d55 | 2004-09-26 18:44:06 +0000 | [diff] [blame] | 543 | __attribute__ ((__noreturn__)) |
njn | d01fef7 | 2005-03-25 23:35:48 +0000 | [diff] [blame] | 544 | extern void VG_(core_panic_at) ( Char* str, StackTrace ips ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 545 | |
nethercote | 05675c8 | 2004-08-04 10:37:49 +0000 | [diff] [blame] | 546 | /* Tools use VG_(strdup)() which doesn't expose ArenaId */ |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 547 | extern Char* VG_(arena_strdup) ( ArenaId aid, const Char* s); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 548 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 549 | extern Int VG_(fcntl) ( Int fd, Int cmd, Int arg ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 550 | extern Int VG_(poll)( struct vki_pollfd *, UInt nfds, Int timeout); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 551 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 552 | /* system/mman.h */ |
nethercote | 8b5f40c | 2004-11-02 13:29:50 +0000 | [diff] [blame] | 553 | extern void* VG_(mmap)( void* start, SizeT length, UInt prot, UInt flags, |
nethercote | 5b9fafd | 2004-11-04 18:39:22 +0000 | [diff] [blame] | 554 | UInt sf_flags, UInt fd, OffT offset ); |
nethercote | 8b5f40c | 2004-11-02 13:29:50 +0000 | [diff] [blame] | 555 | extern Int VG_(munmap)( void* start, SizeT length ); |
| 556 | extern Int VG_(mprotect)( void *start, SizeT length, UInt prot ); |
sewardj | 79048ce | 2005-02-18 08:28:32 +0000 | [diff] [blame] | 557 | extern Int VG_(mprotect_native)( void *start, SizeT length, UInt prot ); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 558 | |
| 559 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 560 | /* Move an fd into the Valgrind-safe range */ |
| 561 | Int VG_(safe_fd)(Int oldfd); |
| 562 | |
sewardj | 570f890 | 2002-11-03 11:44:36 +0000 | [diff] [blame] | 563 | extern Int VG_(write_socket)( Int sd, void *msg, Int count ); |
sewardj | 73cf3bc | 2002-11-03 03:20:15 +0000 | [diff] [blame] | 564 | |
| 565 | /* --- Connecting over the network --- */ |
| 566 | extern Int VG_(connect_via_socket)( UChar* str ); |
| 567 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 568 | /* Environment manipulations */ |
nethercote | 60a96c5 | 2004-08-03 13:08:31 +0000 | [diff] [blame] | 569 | extern Char **VG_(env_setenv) ( Char ***envp, const Char* varname, |
| 570 | const Char *val ); |
| 571 | extern void VG_(env_unsetenv) ( Char **env, const Char *varname ); |
| 572 | extern void VG_(env_remove_valgrind_env_stuff) ( Char** env ); |
sewardj | 570f890 | 2002-11-03 11:44:36 +0000 | [diff] [blame] | 573 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 574 | extern void VG_(nanosleep)(struct vki_timespec *); |
njn | 2521d32 | 2005-05-08 14:45:13 +0000 | [diff] [blame] | 575 | |
sewardj | 570f890 | 2002-11-03 11:44:36 +0000 | [diff] [blame] | 576 | /* --------------------------------------------------------------------- |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 577 | Exports of vg_symtab2.c |
| 578 | ------------------------------------------------------------------ */ |
| 579 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 580 | typedef struct _Segment Segment; |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 581 | typedef struct _CodeRedirect CodeRedirect; |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 582 | |
| 583 | extern Bool VG_(is_object_file) ( const void *hdr ); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 584 | extern SegInfo * VG_(read_seg_symbols) ( Segment *seg ); |
njn | 36ef6ba | 2005-05-14 18:42:26 +0000 | [diff] [blame] | 585 | extern void VG_(seginfo_incref) ( SegInfo * ); |
| 586 | extern void VG_(seginfo_decref) ( SegInfo *, Addr a ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 587 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 588 | extern Bool VG_(get_fnname_nodemangle)( Addr a, Char* fnname, Int n_fnname ); |
sewardj | 25c7c3a | 2003-07-10 00:17:58 +0000 | [diff] [blame] | 589 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 590 | extern Addr VG_(reverse_search_one_symtab) ( const SegInfo* si, const Char* name ); |
| 591 | |
sewardj | 3516553 | 2005-04-30 18:47:48 +0000 | [diff] [blame] | 592 | extern Bool VG_(use_CFI_info) ( /*MOD*/Addr* ipP, |
| 593 | /*MOD*/Addr* spP, |
| 594 | /*MOD*/Addr* fpP, |
| 595 | Addr min_accessible, |
| 596 | Addr max_accessible ); |
| 597 | |
| 598 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 599 | /* --------------------------------------------------------------------- |
| 600 | Exports of vg_redir.c |
| 601 | ------------------------------------------------------------------ */ |
njn | 36b66df | 2005-05-12 05:13:04 +0000 | [diff] [blame] | 602 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 603 | /* Redirection machinery */ |
nethercote | 85cdd34 | 2004-08-01 22:36:40 +0000 | [diff] [blame] | 604 | extern Addr VG_(code_redirect) ( Addr orig ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 605 | |
njn | 36b66df | 2005-05-12 05:13:04 +0000 | [diff] [blame] | 606 | /* Set up some default redirects */ |
| 607 | extern void VG_(setup_code_redirect_table) ( void ); |
| 608 | |
tom | 748a131 | 2005-04-02 15:53:01 +0000 | [diff] [blame] | 609 | extern void VG_(add_redirect_sym_to_addr)(const Char *from_lib, |
| 610 | const Char *from_sym, |
| 611 | Addr to_addr); |
| 612 | extern void VG_(add_redirect_addr_to_addr)(Addr from_addr, Addr to_addr); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 613 | extern void VG_(resolve_seg_redirs)(SegInfo *si); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 614 | |
| 615 | /* Wrapping machinery */ |
| 616 | enum return_type { |
| 617 | RT_RETURN, |
| 618 | RT_LONGJMP, |
| 619 | RT_EXIT, |
| 620 | }; |
| 621 | |
| 622 | typedef struct _FuncWrapper FuncWrapper; |
| 623 | struct _FuncWrapper { |
| 624 | void *(*before)(va_list args); |
| 625 | void (*after) (void *nonce, enum return_type, Word retval); |
| 626 | }; |
| 627 | |
| 628 | extern void VG_(wrap_function)(Addr eip, const FuncWrapper *wrapper); |
| 629 | extern const FuncWrapper *VG_(is_wrapped)(Addr eip); |
| 630 | extern Bool VG_(is_wrapper_return)(Addr eip); |
| 631 | |
| 632 | /* Primary interface for adding wrappers for client-side functions. */ |
| 633 | extern CodeRedirect *VG_(add_wrapper)(const Char *from_lib, const Char *from_sym, |
| 634 | const FuncWrapper *wrapper); |
| 635 | |
| 636 | extern Bool VG_(is_resolved)(const CodeRedirect *redir); |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 637 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 638 | /* --------------------------------------------------------------------- |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 639 | Exports of vg_main.c |
| 640 | ------------------------------------------------------------------ */ |
| 641 | |
sewardj | 73cf3bc | 2002-11-03 03:20:15 +0000 | [diff] [blame] | 642 | /* Tell the logging mechanism whether we are logging to a file |
| 643 | descriptor or a socket descriptor. */ |
njn | be9b47b | 2005-05-15 16:22:58 +0000 | [diff] [blame] | 644 | extern Bool VG_(logging_to_socket); |
sewardj | 73cf3bc | 2002-11-03 03:20:15 +0000 | [diff] [blame] | 645 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 646 | /* Sanity checks which may be done at any time. The scheduler decides when. */ |
nethercote | 885dd91 | 2004-08-03 23:14:00 +0000 | [diff] [blame] | 647 | extern void VG_(sanity_check_general) ( Bool force_expensive ); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 648 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 649 | /* Address space */ |
| 650 | extern Addr VG_(client_base); /* client address space limits */ |
| 651 | extern Addr VG_(client_end); |
| 652 | extern Addr VG_(client_mapbase); /* base of mappings */ |
| 653 | extern Addr VG_(clstk_base); /* client stack range */ |
| 654 | extern Addr VG_(clstk_end); |
fitzhardinge | 9236079 | 2003-12-24 10:11:11 +0000 | [diff] [blame] | 655 | extern Addr VG_(client_trampoline_code); |
| 656 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 657 | extern Addr VG_(brk_base); /* start of brk */ |
| 658 | extern Addr VG_(brk_limit); /* current brk */ |
nethercote | 996901a | 2004-08-03 13:29:09 +0000 | [diff] [blame] | 659 | extern Addr VG_(shadow_base); /* tool's shadow memory */ |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 660 | extern Addr VG_(shadow_end); |
| 661 | extern Addr VG_(valgrind_base); /* valgrind's address range */ |
nethercote | 820bd8c | 2004-09-07 23:04:49 +0000 | [diff] [blame] | 662 | extern Addr VG_(valgrind_last); // Nb: last byte, rather than one past the end |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 663 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 664 | extern struct vki_rlimit VG_(client_rlimit_data); /* client's original rlimit data */ |
| 665 | extern struct vki_rlimit VG_(client_rlimit_stack); /* client's original rlimit stack */ |
fitzhardinge | b50068f | 2004-02-24 23:42:55 +0000 | [diff] [blame] | 666 | |
fitzhardinge | a49f9b5 | 2003-12-16 22:26:45 +0000 | [diff] [blame] | 667 | /* client executable file descriptor */ |
| 668 | extern Int VG_(clexecfd); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 669 | |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 670 | // Help set up the child used when doing execve() with --trace-children=yes |
| 671 | Char* VG_(build_child_VALGRINDCLO) ( Char* exename ); |
| 672 | Char* VG_(build_child_exename) ( void ); |
| 673 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 674 | /* The master thread the one which will be responsible for mopping |
| 675 | everything up at exit. Normally it is tid 1, since that's the |
| 676 | first thread created, but it may be something else after a |
| 677 | fork(). */ |
| 678 | extern ThreadId VG_(master_tid); |
| 679 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 680 | /* Called when some unhandleable client behaviour is detected. |
| 681 | Prints a msg and aborts. */ |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 682 | extern void VG_(unimplemented) ( Char* msg ) |
| 683 | __attribute__((__noreturn__)); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 684 | |
nethercote | 04d0fbc | 2004-01-26 16:48:06 +0000 | [diff] [blame] | 685 | /* Something of a function looking for a home ... start up debugger. */ |
njn | c616819 | 2004-11-29 13:54:10 +0000 | [diff] [blame] | 686 | extern void VG_(start_debugger) ( ThreadId tid ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 687 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 688 | /* Counts downwards in vg_run_innerloop. */ |
| 689 | extern UInt VG_(dispatch_ctr); |
| 690 | |
sewardj | 4ccf707 | 2004-11-28 16:58:05 +0000 | [diff] [blame] | 691 | /* Stats ... */ |
nethercote | 844e712 | 2004-08-02 15:27:22 +0000 | [diff] [blame] | 692 | extern void VG_(print_scheduler_stats) ( void ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 693 | |
njn | 1f70772 | 2005-03-27 03:17:52 +0000 | [diff] [blame] | 694 | /* 64-bit counter for the number of basic blocks done. */ |
| 695 | extern ULong VG_(bbs_done); |
| 696 | |
nethercote | 2e05c33 | 2004-09-06 16:43:37 +0000 | [diff] [blame] | 697 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 698 | /* --------------------------------------------------------------------- |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 699 | Exports of vg_syscall.S |
| 700 | ------------------------------------------------------------------ */ |
| 701 | |
njn | ca6fef0 | 2004-11-29 16:49:18 +0000 | [diff] [blame] | 702 | // We use a full prototype rather than "..." here to ensure that all |
| 703 | // arguments get converted to a UWord appropriately. Not doing so can |
| 704 | // cause problems when passing 32-bit integers on 64-bit platforms, because |
| 705 | // the top 32-bits might not be zeroed appropriately, eg. as would happen |
| 706 | // with the 6th arg on AMD64 which is passed on the stack. |
njn | f4aeaea | 2004-11-29 17:33:31 +0000 | [diff] [blame] | 707 | extern Word VG_(do_syscall) ( UInt, UWord, UWord, UWord, UWord, UWord, UWord ); |
njn | ca6fef0 | 2004-11-29 16:49:18 +0000 | [diff] [blame] | 708 | |
| 709 | // Macros make life easier. |
| 710 | #define vgPlain_do_syscall0(s) VG_(do_syscall)((s),0,0,0,0,0,0) |
| 711 | #define vgPlain_do_syscall1(s,a) VG_(do_syscall)((s),(a),0,0,0,0,0) |
| 712 | #define vgPlain_do_syscall2(s,a,b) VG_(do_syscall)((s),(a),(b),0,0,0,0) |
| 713 | #define vgPlain_do_syscall3(s,a,b,c) VG_(do_syscall)((s),(a),(b),(c),0,0,0) |
| 714 | #define vgPlain_do_syscall4(s,a,b,c,d) VG_(do_syscall)((s),(a),(b),(c),(d),0,0) |
| 715 | #define vgPlain_do_syscall5(s,a,b,c,d,e) VG_(do_syscall)((s),(a),(b),(c),(d),(e),0) |
| 716 | #define vgPlain_do_syscall6(s,a,b,c,d,e,f) VG_(do_syscall)((s),(a),(b),(c),(d),(e),(f)) |
| 717 | |
fitzhardinge | 4f10ada | 2004-06-03 10:00:42 +0000 | [diff] [blame] | 718 | extern void VG_(sigreturn)(void); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 719 | |
| 720 | /* --------------------------------------------------------------------- |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 721 | Exports of vg_helpers.S |
| 722 | ------------------------------------------------------------------ */ |
| 723 | |
fitzhardinge | 9236079 | 2003-12-24 10:11:11 +0000 | [diff] [blame] | 724 | /* Information about trampoline code (for signal return and syscalls) */ |
| 725 | extern const Char VG_(trampoline_code_start); |
| 726 | extern const Int VG_(trampoline_code_length); |
| 727 | extern const Int VG_(tramp_sigreturn_offset); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 728 | extern const Int VG_(tramp_rt_sigreturn_offset); |
fitzhardinge | 9236079 | 2003-12-24 10:11:11 +0000 | [diff] [blame] | 729 | extern const Int VG_(tramp_syscall_offset); |
tom | ee0bcbf | 2005-05-02 10:28:42 +0000 | [diff] [blame] | 730 | extern const Int VG_(tramp_gettimeofday_offset); |
| 731 | extern const Int VG_(tramp_time_offset); |
sewardj | 20917d8 | 2002-05-28 01:36:45 +0000 | [diff] [blame] | 732 | |
nethercote | c06e213 | 2004-09-03 13:45:29 +0000 | [diff] [blame] | 733 | // --------------------------------------------------------------------- |
| 734 | // Architecture-specific things defined in eg. x86/*.c |
| 735 | // --------------------------------------------------------------------- |
| 736 | |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 737 | // Returns the architecture and subarchitecture, or indicates |
| 738 | // that this subarchitecture is unable to run Valgrind |
| 739 | // Returns False to indicate we cannot proceed further. |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 740 | extern Bool VGA_(getArchAndSubArch)( /*OUT*/VexArch*, |
| 741 | /*OUT*/VexSubArch* ); |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 742 | // Accessors for the ThreadArchState |
njn | 35172bc | 2005-03-26 00:04:03 +0000 | [diff] [blame] | 743 | #define INSTR_PTR(regs) ((regs).vex.VGA_INSTR_PTR) |
| 744 | #define STACK_PTR(regs) ((regs).vex.VGA_STACK_PTR) |
| 745 | #define FRAME_PTR(regs) ((regs).vex.VGA_FRAME_PTR) |
| 746 | #define CLREQ_ARGS(regs) ((regs).vex.VGA_CLREQ_ARGS) |
njn | 35172bc | 2005-03-26 00:04:03 +0000 | [diff] [blame] | 747 | #define CLREQ_RET(regs) ((regs).vex.VGA_CLREQ_RET) |
njn | 16de557 | 2004-11-27 14:27:21 +0000 | [diff] [blame] | 748 | // Offsets for the Vex state |
njn | 35172bc | 2005-03-26 00:04:03 +0000 | [diff] [blame] | 749 | #define O_STACK_PTR (offsetof(VexGuestArchState, VGA_STACK_PTR)) |
| 750 | #define O_FRAME_PTR (offsetof(VexGuestArchState, VGA_FRAME_PTR)) |
| 751 | #define O_CLREQ_RET (offsetof(VexGuestArchState, VGA_CLREQ_RET)) |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 752 | |
| 753 | |
sewardj | 2a99cf6 | 2004-11-24 10:44:19 +0000 | [diff] [blame] | 754 | // Setting up the initial thread (1) state |
| 755 | extern void |
| 756 | VGA_(init_thread1state) ( Addr client_eip, |
| 757 | Addr esp_at_startup, |
| 758 | /*MOD*/ ThreadArchState* arch ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 759 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 760 | // OS/Platform-specific thread clear (after thread exit) |
| 761 | extern void VGA_(os_state_clear)(ThreadState *); |
| 762 | |
| 763 | // OS/Platform-specific thread init (at scheduler init time) |
| 764 | extern void VGA_(os_state_init)(ThreadState *); |
| 765 | |
| 766 | // Run a thread from beginning to end. Does not return if tid == VG_(master_tid). |
sewardj | 0c1a596 | 2005-03-22 00:19:55 +0000 | [diff] [blame] | 767 | void VGA_(thread_wrapper)(Word /*ThreadId*/ tid); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 768 | |
| 769 | // Like VGA_(thread_wrapper), but it allocates a stack before calling |
| 770 | // to VGA_(thread_wrapper) on that stack, as if it had been set up by |
| 771 | // clone() |
| 772 | void VGA_(main_thread_wrapper)(ThreadId tid) __attribute__ ((__noreturn__)); |
| 773 | |
| 774 | // Return how many bytes of a thread's Valgrind stack are unused |
njn | 990e90c | 2005-04-05 02:49:09 +0000 | [diff] [blame] | 775 | SSizeT VGA_(stack_unused)(ThreadId tid); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 776 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 777 | // wait until all other threads are dead |
| 778 | extern void VGA_(reap_threads)(ThreadId self); |
| 779 | |
| 780 | // handle an arch-specific client request |
| 781 | extern Bool VGA_(client_request)(ThreadId tid, UWord *args); |
| 782 | |
nethercote | fedd810 | 2004-09-13 15:19:34 +0000 | [diff] [blame] | 783 | // Pointercheck |
| 784 | extern Bool VGA_(setup_pointercheck) ( void ); |
| 785 | |
| 786 | // For attaching the debugger |
sewardj | 2a99cf6 | 2004-11-24 10:44:19 +0000 | [diff] [blame] | 787 | extern Int VGA_(ptrace_setregs_from_tst) ( Int pid, ThreadArchState* arch ); |
nethercote | fedd810 | 2004-09-13 15:19:34 +0000 | [diff] [blame] | 788 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 789 | // Used by leakcheck |
| 790 | extern void VGA_(mark_from_registers)(ThreadId tid, void (*marker)(Addr)); |
| 791 | |
nethercote | 9b3c765 | 2004-10-19 13:18:00 +0000 | [diff] [blame] | 792 | |
nethercote | 41c75da | 2004-10-18 15:34:14 +0000 | [diff] [blame] | 793 | // --------------------------------------------------------------------- |
| 794 | // Platform-specific things defined in eg. x86/*.c |
| 795 | // --------------------------------------------------------------------- |
nethercote | 775508a | 2004-09-07 22:38:23 +0000 | [diff] [blame] | 796 | |
njn | 2521d32 | 2005-05-08 14:45:13 +0000 | [diff] [blame] | 797 | // Do any platform specific redirects. |
tom | 748a131 | 2005-04-02 15:53:01 +0000 | [diff] [blame] | 798 | extern void VGP_(setup_redirects)(void); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame] | 799 | |
| 800 | ///* --------------------------------------------------------------------- |
| 801 | // Thread modelling |
| 802 | // ------------------------------------------------------------------ */ |
| 803 | //extern void VG_(tm_thread_create) (ThreadId creator, ThreadId tid, Bool detached); |
| 804 | //extern void VG_(tm_thread_exit) (ThreadId tid); |
| 805 | //extern Bool VG_(tm_thread_exists) (ThreadId tid); |
| 806 | //extern void VG_(tm_thread_detach) (ThreadId tid); |
| 807 | //extern void VG_(tm_thread_join) (ThreadId joiner, ThreadId joinee); |
| 808 | //extern void VG_(tm_thread_switchto)(ThreadId tid); |
| 809 | // |
| 810 | //extern void VG_(tm_mutex_init) (ThreadId tid, Addr mutexp); |
| 811 | //extern void VG_(tm_mutex_destroy)(ThreadId tid, Addr mutexp); |
| 812 | //extern void VG_(tm_mutex_trylock)(ThreadId tid, Addr mutexp); |
| 813 | //extern void VG_(tm_mutex_giveup) (ThreadId tid, Addr mutexp); |
| 814 | //extern void VG_(tm_mutex_acquire)(ThreadId tid, Addr mutexp); |
| 815 | //extern void VG_(tm_mutex_tryunlock)(ThreadId tid, Addr mutexp); |
| 816 | //extern void VG_(tm_mutex_unlock) (ThreadId tid, Addr mutexp); |
| 817 | //extern Bool VG_(tm_mutex_exists) (Addr mutexp); |
| 818 | // |
| 819 | //extern UInt VG_(tm_error_update_extra) (Error *err); |
| 820 | //extern Bool VG_(tm_error_equal) (VgRes res, Error *e1, Error *e2); |
| 821 | //extern void VG_(tm_error_print) (Error *err); |
| 822 | // |
| 823 | //extern void VG_(tm_init) (); |
| 824 | // |
| 825 | //extern void VG_(tm_cond_init) (ThreadId tid, Addr condp); |
| 826 | //extern void VG_(tm_cond_destroy) (ThreadId tid, Addr condp); |
| 827 | //extern void VG_(tm_cond_wait) (ThreadId tid, Addr condp, Addr mutexp); |
| 828 | //extern void VG_(tm_cond_wakeup) (ThreadId tid, Addr condp, Addr mutexp); |
| 829 | //extern void VG_(tm_cond_signal) (ThreadId tid, Addr condp); |
| 830 | // |
| 831 | ///* ----- pthreads ----- */ |
| 832 | //extern void VG_(pthread_init) (); |
| 833 | //extern void VG_(pthread_startfunc_wrapper)(Addr wrapper); |
| 834 | // |
| 835 | //struct vg_pthread_newthread_data { |
| 836 | // void *(*startfunc)(void *arg); |
| 837 | // void *arg; |
| 838 | //}; |
sewardj | 3b2736a | 2002-03-24 12:18:35 +0000 | [diff] [blame] | 839 | |
| 840 | /* --------------------------------------------------------------------- |
| 841 | Finally - autoconf-generated settings |
| 842 | ------------------------------------------------------------------ */ |
| 843 | |
| 844 | #include "config.h" |
| 845 | |
nethercote | c06e213 | 2004-09-03 13:45:29 +0000 | [diff] [blame] | 846 | #endif /* ndef __CORE_H */ |
| 847 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 848 | /*--------------------------------------------------------------------*/ |
nethercote | 109d0df | 2004-09-02 08:10:13 +0000 | [diff] [blame] | 849 | /*--- end ---*/ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 850 | /*--------------------------------------------------------------------*/ |