sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1 | |
| 2 | /*--------------------------------------------------------------------*/ |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 3 | /*--- A header file for all private parts of Valgrind's core. ---*/ |
nethercote | 5a2664c | 2004-09-02 15:37:39 +0000 | [diff] [blame] | 4 | /*--- Include no other! (more or less...) ---*/ |
rjwalsh | 7109a8c | 2004-09-02 00:31:02 +0000 | [diff] [blame] | 5 | /*--- core.h ---*/ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 6 | /*--------------------------------------------------------------------*/ |
| 7 | |
| 8 | /* |
njn | b9c427c | 2004-12-01 14:14:42 +0000 | [diff] [blame] | 9 | This file is part of Valgrind, a dynamic binary instrumentation |
| 10 | framework. |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 11 | |
nethercote | bb1c991 | 2004-01-04 16:43:23 +0000 | [diff] [blame] | 12 | Copyright (C) 2000-2004 Julian Seward |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 13 | jseward@acm.org |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 14 | |
| 15 | This program is free software; you can redistribute it and/or |
| 16 | modify it under the terms of the GNU General Public License as |
| 17 | published by the Free Software Foundation; either version 2 of the |
| 18 | License, or (at your option) any later version. |
| 19 | |
| 20 | This program is distributed in the hope that it will be useful, but |
| 21 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 22 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 23 | General Public License for more details. |
| 24 | |
| 25 | You should have received a copy of the GNU General Public License |
| 26 | along with this program; if not, write to the Free Software |
| 27 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 28 | 02111-1307, USA. |
| 29 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 30 | The GNU General Public License is contained in the file COPYING. |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 31 | */ |
| 32 | |
rjwalsh | 7109a8c | 2004-09-02 00:31:02 +0000 | [diff] [blame] | 33 | #ifndef __CORE_H |
| 34 | #define __CORE_H |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 35 | |
nethercote | 7be4725 | 2004-09-02 16:02:58 +0000 | [diff] [blame] | 36 | /* |
| 37 | Header hierarchy: |
| 38 | |
| 39 | - core C files include core.h |
| 40 | - core asm files include core_asm.h |
| 41 | - tool C files include tool.h |
| 42 | - tool asm files include tool_asm.h |
| 43 | |
| 44 | - The hierarchy of the header files themselves is based around the |
| 45 | following rules: |
| 46 | |
| 47 | - core headers include tool headers |
| 48 | - generic headers include arch/OS/platform headers |
| 49 | - C headers include asm headers |
| 50 | |
| 51 | This gives the following hierarchy (only showing 'arch' headers, not |
nethercote | 80cca43 | 2004-09-02 16:25:49 +0000 | [diff] [blame] | 52 | 'os' or 'platform' headers), where arrows indicate inclusion, and |
| 53 | $VG_ARCH==x86: |
nethercote | 7be4725 | 2004-09-02 16:02:58 +0000 | [diff] [blame] | 54 | |
nethercote | 80cca43 | 2004-09-02 16:25:49 +0000 | [diff] [blame] | 55 | |
| 56 | (include/x86/tool_arch_asm.h?) <----- coregrind/x86/core_arch_asm.h |
| 57 | ^ ^ ^ ^ |
| 58 | / \ / \ |
| 59 | / \ / \ |
| 60 | / \ / \ |
| 61 | include/tool_asm.h <-\---- coregrind/core_asm.h \ |
| 62 | ^ \ ^ \ |
| 63 | \ include/x86/tool_arch.h <--------coregrind/x86/core_arch.h |
| 64 | \ ^ \ ^ |
| 65 | \ / \ / |
| 66 | \ / \ / |
| 67 | \ / \ / |
| 68 | include/tool.h <------------ coregrind/core.h |
| 69 | |
nethercote | 7be4725 | 2004-09-02 16:02:58 +0000 | [diff] [blame] | 70 | |
| 71 | Note that core.h contains the *declarations* of arch-specific functions |
| 72 | and variables, which can be used by the core_arch.h file of any |
| 73 | architecture. (The functions/variables are *defined* within arch/.) |
| 74 | However, arch-specific macros and types cannot go into core.h, because |
| 75 | there is no separation between declaration and definition for |
| 76 | macros/types, so they instead go into $VG_ARCH/core_arch.h. |
nethercote | 80cca43 | 2004-09-02 16:25:49 +0000 | [diff] [blame] | 77 | |
| 78 | The tool-specific headers are all in include/ so they can be seen by any |
| 79 | external tools. |
nethercote | 7be4725 | 2004-09-02 16:02:58 +0000 | [diff] [blame] | 80 | */ |
| 81 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 82 | /* For system call numbers __NR_... */ |
nethercote | f94fe2f | 2004-09-10 14:23:59 +0000 | [diff] [blame] | 83 | #include "vki_unistd.h" |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 84 | |
nethercote | 1334313 | 2004-09-02 15:49:09 +0000 | [diff] [blame] | 85 | #include "core_asm.h" // asm stuff |
| 86 | #include "tool.h" // tool stuff |
nethercote | bb4222b | 2004-09-10 17:42:11 +0000 | [diff] [blame] | 87 | #include "core_arch.h" // arch-specific stuff, eg. x86/core_arch.h |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 88 | |
| 89 | // Ugly: this is needed by linux/core_os.h |
| 90 | typedef struct _ThreadState ThreadState; |
| 91 | |
nethercote | bb4222b | 2004-09-10 17:42:11 +0000 | [diff] [blame] | 92 | #include "core_platform.h" // platform-specific stuff, |
| 93 | // eg. x86-linux/core_platform.h |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 94 | #include "core_os.h" // OS-specific stuff, eg. linux/core_os.h |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 95 | |
fitzhardinge | 39de4b4 | 2003-10-31 07:12:21 +0000 | [diff] [blame] | 96 | #include "valgrind.h" |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 97 | |
njn | 26f0251 | 2004-11-22 18:33:15 +0000 | [diff] [blame] | 98 | #undef TL_ |
| 99 | #define TL_(x) vgToolInternal_##x |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 100 | |
nethercote | 7be4725 | 2004-09-02 16:02:58 +0000 | [diff] [blame] | 101 | |
| 102 | /* --------------------------------------------------------------------- |
| 103 | Build options and table sizes. You should be able to change these |
| 104 | options or sizes, recompile, and still have a working system. |
| 105 | ------------------------------------------------------------------ */ |
| 106 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 107 | /* Constants for the slow translation lookup cache. */ |
| 108 | #define VG_TRANSTAB_SLOW_BITS 11 |
| 109 | #define VG_TRANSTAB_SLOW_SIZE (1 << VG_TRANSTAB_SLOW_BITS) |
| 110 | #define VG_TRANSTAB_SLOW_MASK ((VG_TRANSTAB_SLOW_SIZE) - 1) |
| 111 | |
| 112 | /* Size of a buffer used for creating messages. */ |
| 113 | #define M_VG_MSGBUF 10000 |
| 114 | |
| 115 | /* Size of a smallish table used to read /proc/self/map entries. */ |
sewardj | ebc8233 | 2002-04-24 14:44:23 +0000 | [diff] [blame] | 116 | #define M_PROCMAP_BUF 50000 |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 117 | |
| 118 | /* Max length of pathname to a .so/executable file. */ |
| 119 | #define M_VG_LIBNAMESTR 100 |
| 120 | |
| 121 | /* Max length of a text fragment used to construct error messages. */ |
nethercote | 3b38c1d | 2004-10-18 15:47:18 +0000 | [diff] [blame] | 122 | #define M_VG_ERRTXT 4096 |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 123 | |
| 124 | /* Max length of the string copied from env var VG_ARGS at startup. */ |
| 125 | #define M_VG_CMDLINE_STRLEN 1000 |
| 126 | |
| 127 | /* Max number of options for Valgrind which we can handle. */ |
| 128 | #define M_VG_CMDLINE_OPTS 100 |
| 129 | |
| 130 | /* After this many different unsuppressed errors have been observed, |
| 131 | be more conservative about collecting new ones. */ |
| 132 | #define M_VG_COLLECT_ERRORS_SLOWLY_AFTER 50 |
| 133 | |
| 134 | /* After this many different unsuppressed errors have been observed, |
| 135 | stop collecting errors at all, and tell the user their program is |
| 136 | evidently a steaming pile of camel dung. */ |
sewardj | 1bebcbf | 2002-04-24 21:24:18 +0000 | [diff] [blame] | 137 | #define M_VG_COLLECT_NO_ERRORS_AFTER_SHOWN 300 |
sewardj | f2537be | 2002-04-24 21:03:47 +0000 | [diff] [blame] | 138 | |
| 139 | /* After this many total errors have been observed, stop collecting |
| 140 | errors at all. Counterpart to M_VG_COLLECT_NO_ERRORS_AFTER_SHOWN. */ |
sewardj | 1bebcbf | 2002-04-24 21:24:18 +0000 | [diff] [blame] | 141 | #define M_VG_COLLECT_NO_ERRORS_AFTER_FOUND 30000 |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 142 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 143 | /* The maximum number of calls we're prepared to save in a |
| 144 | backtrace. */ |
| 145 | #define VG_DEEPEST_BACKTRACE 50 |
| 146 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 147 | /* Number of lists in which we keep track of ExeContexts. Should be |
| 148 | prime. */ |
sewardj | 59fb25c | 2003-09-28 16:32:58 +0000 | [diff] [blame] | 149 | #define VG_N_EC_LISTS 4999 /* a prime number */ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 150 | |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 151 | /* Defines the thread-scheduling timeslice, in terms of the number of |
| 152 | basic blocks we attempt to run each thread for. Smaller values |
| 153 | give finer interleaving but much increased scheduling overheads. */ |
sewardj | 4505b9e | 2002-05-28 11:27:31 +0000 | [diff] [blame] | 154 | #define VG_SCHEDULING_QUANTUM 50000 |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 155 | |
fitzhardinge | f0046f2 | 2003-12-18 02:39:22 +0000 | [diff] [blame] | 156 | /* Number of file descriptors that Valgrind tries to reserve for |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 157 | it's own use - just a small constant. */ |
| 158 | #define VG_N_RESERVED_FDS (10) |
thughes | 8abf392 | 2004-10-16 10:59:49 +0000 | [diff] [blame] | 159 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 160 | /* Useful macros */ |
| 161 | /* a - alignment - must be a power of 2 */ |
| 162 | #define ROUNDDN(p, a) ((Addr)(p) & ~((a)-1)) |
| 163 | #define ROUNDUP(p, a) ROUNDDN((p)+(a)-1, (a)) |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 164 | #define PGROUNDDN(p) ROUNDDN(p, VKI_PAGE_SIZE) |
| 165 | #define PGROUNDUP(p) ROUNDUP(p, VKI_PAGE_SIZE) |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 166 | |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 167 | |
nethercote | 80013e9 | 2004-09-05 20:39:51 +0000 | [diff] [blame] | 168 | /* --------------------------------------------------------------------- |
| 169 | Environment variables |
| 170 | ------------------------------------------------------------------ */ |
| 171 | |
| 172 | /* The directory we look for all our auxillary files in */ |
| 173 | #define VALGRINDLIB "VALGRINDLIB" |
| 174 | |
| 175 | /* Additional command-line arguments; they are overridden by actual |
| 176 | command-line option. Each argument is separated by spaces. There |
| 177 | is no quoting mechanism. |
| 178 | */ |
| 179 | #define VALGRINDOPTS "VALGRIND_OPTS" |
| 180 | |
| 181 | /* If this variable is present in the environment, then valgrind will |
| 182 | not parse the command line for options at all; all options come |
| 183 | from this variable. Arguments are terminated by ^A (\001). There |
| 184 | is no quoting mechanism. |
| 185 | |
| 186 | This variable is not expected to be set by anything other than |
| 187 | Valgrind itself, as part of its handling of execve with |
| 188 | --trace-children=yes. This variable should not be present in the |
| 189 | client environment. |
| 190 | */ |
| 191 | #define VALGRINDCLO "_VALGRIND_CLO" |
| 192 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 193 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 194 | /* --------------------------------------------------------------------- |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 195 | Command-line-settable options |
| 196 | ------------------------------------------------------------------ */ |
| 197 | |
sewardj | 4f094a7 | 2002-11-05 23:37:35 +0000 | [diff] [blame] | 198 | /* Default destination port to be used in logging over a network, if |
| 199 | none specified. */ |
| 200 | #define VG_CLO_DEFAULT_LOGPORT 1500 |
sewardj | 73cf3bc | 2002-11-03 03:20:15 +0000 | [diff] [blame] | 201 | |
| 202 | /* The max number of suppression files. */ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 203 | #define VG_CLO_MAX_SFILES 10 |
| 204 | |
nethercote | 04d0fbc | 2004-01-26 16:48:06 +0000 | [diff] [blame] | 205 | /* Default debugger command. */ |
| 206 | #define VG_CLO_DEFAULT_DBCOMMAND GDB_PATH " -nw %f %p" |
| 207 | |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 208 | /* Describes where logging output is to be sent. */ |
| 209 | typedef |
| 210 | enum { |
| 211 | VgLogTo_Fd, |
| 212 | VgLogTo_File, |
sewardj | 603d410 | 2005-01-11 14:01:02 +0000 | [diff] [blame] | 213 | VgLogTo_FileExactly, |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 214 | VgLogTo_Socket |
| 215 | } VgLogTo; |
| 216 | |
thughes | ad1c956 | 2004-06-26 11:27:52 +0000 | [diff] [blame] | 217 | /* Application-visible file descriptor limits */ |
| 218 | extern Int VG_(fd_soft_limit); |
| 219 | extern Int VG_(fd_hard_limit); |
fitzhardinge | f0046f2 | 2003-12-18 02:39:22 +0000 | [diff] [blame] | 220 | |
sewardj | 8b635a4 | 2004-11-22 19:01:47 +0000 | [diff] [blame] | 221 | /* Vex iropt control */ |
| 222 | extern VexControl VG_(clo_vex_control); |
sewardj | 72f98ff | 2002-06-13 17:23:38 +0000 | [diff] [blame] | 223 | /* Should we stop collecting errors if too many appear? default: YES */ |
sewardj | 2e43290 | 2002-06-13 20:44:00 +0000 | [diff] [blame] | 224 | extern Bool VG_(clo_error_limit); |
nethercote | 04d0fbc | 2004-01-26 16:48:06 +0000 | [diff] [blame] | 225 | /* Enquire about whether to attach to a debugger at errors? default: NO */ |
| 226 | extern Bool VG_(clo_db_attach); |
| 227 | /* The debugger command? default: whatever gdb ./configure found */ |
| 228 | extern Char* VG_(clo_db_command); |
sewardj | d153fae | 2005-01-10 17:24:47 +0000 | [diff] [blame] | 229 | /* Generating a suppression for each error? default: 0 (NO) |
| 230 | Other values: 1 (yes, but ask user), 2 (yes, don't ask user) */ |
| 231 | extern Int VG_(clo_gen_suppressions); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 232 | /* Sanity-check level: 0 = none, 1 (default), > 1 = expensive. */ |
nethercote | 27fec90 | 2004-06-16 21:26:32 +0000 | [diff] [blame] | 233 | extern Int VG_(clo_sanity_level); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 234 | /* Automatically attempt to demangle C++ names? default: YES */ |
| 235 | extern Bool VG_(clo_demangle); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 236 | /* Simulate child processes? default: NO */ |
| 237 | extern Bool VG_(clo_trace_children); |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 238 | |
| 239 | /* Where logging output is to be sent to. |
| 240 | |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 241 | When log_to == VgLogTo_Fd, clo_log_fd holds the file id, and is |
| 242 | taken from the command line. clo_log_name is irrelevant. |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 243 | |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 244 | When log_to == VgLogTo_File, clo_log_name holds the log-file |
| 245 | name, and is taken from the command line. clo_log_fd is then |
| 246 | made to hold the relevant file id, by opening clo_log_name |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 247 | (concatenated with the process ID) for writing. |
| 248 | |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 249 | When log_to == VgLogTo_Socket, clo_log_name holds the |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 250 | hostname:portnumber pair, and is taken from the command line. |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 251 | clo_log_fd is then made to hold the relevant file handle, by |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 252 | opening a connection to said hostname:portnumber pair. |
| 253 | |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 254 | Global default is to set log_to == VgLogTo_Fd and log_fd == 2 |
sewardj | 4cf0569 | 2002-10-27 20:28:29 +0000 | [diff] [blame] | 255 | (stderr). */ |
| 256 | extern VgLogTo VG_(clo_log_to); |
nethercote | f854867 | 2004-06-21 12:42:35 +0000 | [diff] [blame] | 257 | extern Int VG_(clo_log_fd); |
| 258 | extern Char* VG_(clo_log_name); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 259 | |
thughes | 6233a38 | 2004-08-21 11:10:44 +0000 | [diff] [blame] | 260 | /* Add timestamps to log messages? default: NO */ |
| 261 | extern Bool VG_(clo_time_stamp); |
| 262 | |
sewardj | 6024b21 | 2003-07-13 10:54:33 +0000 | [diff] [blame] | 263 | /* The file descriptor to read for input. default: 0 == stdin */ |
| 264 | extern Int VG_(clo_input_fd); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 265 | /* The number of suppression files specified. */ |
| 266 | extern Int VG_(clo_n_suppressions); |
| 267 | /* The names of the suppression files. */ |
| 268 | extern Char* VG_(clo_suppressions)[VG_CLO_MAX_SFILES]; |
| 269 | |
sewardj | c771b29 | 2004-11-30 18:55:21 +0000 | [diff] [blame] | 270 | /* DEBUG: print generated code? default: 00000000 ( == NO ) */ |
sewardj | fa8ec11 | 2005-01-19 11:55:34 +0000 | [diff] [blame] | 271 | extern Bool VG_(clo_trace_flags); |
| 272 | /* DEBUG: do bb profiling? default: 00000000 ( == NO ) */ |
| 273 | extern Bool VG_(clo_profile_flags); |
sewardj | c771b29 | 2004-11-30 18:55:21 +0000 | [diff] [blame] | 274 | /* DEBUG: if tracing codegen, be quiet until after this bb ( 0 ) */ |
| 275 | extern Int VG_(clo_trace_notbelow); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 276 | /* DEBUG: print system calls? default: NO */ |
| 277 | extern Bool VG_(clo_trace_syscalls); |
| 278 | /* DEBUG: print signal details? default: NO */ |
| 279 | extern Bool VG_(clo_trace_signals); |
| 280 | /* DEBUG: print symtab details? default: NO */ |
| 281 | extern Bool VG_(clo_trace_symtab); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 282 | /* DEBUG: print redirection details? default: NO */ |
| 283 | extern Bool VG_(clo_trace_redir); |
sewardj | 8937c81 | 2002-04-12 20:12:20 +0000 | [diff] [blame] | 284 | /* DEBUG: print thread scheduling events? default: NO */ |
| 285 | extern Bool VG_(clo_trace_sched); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 286 | /* DEBUG: print pthreads calls? default: NO */ |
| 287 | extern Bool VG_(clo_trace_pthreads); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 288 | /* Display gory details for the k'th most popular error. default: |
| 289 | Infinity. */ |
| 290 | extern Int VG_(clo_dump_error); |
| 291 | /* Number of parents of a backtrace. Default: 8. */ |
| 292 | extern Int VG_(clo_backtrace_size); |
daywalker | 7e73e5f | 2003-07-04 16:18:15 +0000 | [diff] [blame] | 293 | /* Engage miscellaneous weird hacks needed for some progs. */ |
sewardj | 8d365b5 | 2002-05-12 10:52:16 +0000 | [diff] [blame] | 294 | extern Char* VG_(clo_weird_hacks); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 295 | |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 296 | /* Track open file descriptors? */ |
| 297 | extern Bool VG_(clo_track_fds); |
| 298 | |
sewardj | 858964b | 2002-10-05 14:15:43 +0000 | [diff] [blame] | 299 | /* Should we run __libc_freeres at exit? Sometimes causes crashes. |
| 300 | Default: YES. Note this is subservient to VG_(needs).libc_freeres; |
| 301 | if the latter says False, then the setting of VG_(clo_weird_hacks) |
nethercote | 996901a | 2004-08-03 13:29:09 +0000 | [diff] [blame] | 302 | 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] | 303 | cannot be overridden from the command line. */ |
| 304 | extern Bool VG_(clo_run_libc_freeres); |
fitzhardinge | 462f4f9 | 2003-12-18 02:10:54 +0000 | [diff] [blame] | 305 | /* Generate branch-prediction hints? */ |
| 306 | extern Bool VG_(clo_branchpred); |
nethercote | 77eba60 | 2003-11-13 17:35:04 +0000 | [diff] [blame] | 307 | /* Continue stack traces below main()? Default: NO */ |
| 308 | extern Bool VG_(clo_show_below_main); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 309 | /* Test each client pointer dereference to check it's within the |
| 310 | client address space bounds */ |
| 311 | extern Bool VG_(clo_pointercheck); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 312 | /* Model the pthread library */ |
| 313 | extern Bool VG_(clo_model_pthreads); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 314 | |
sewardj | 062f355 | 2005-01-06 16:13:40 +0000 | [diff] [blame] | 315 | /* HACK: Use hacked version of clone for Quadrics Elan3 drivers */ |
| 316 | extern Bool VG_(clo_support_elan3); |
| 317 | |
rjwalsh | e4e779d | 2004-04-16 23:02:29 +0000 | [diff] [blame] | 318 | /* Set up the libc freeres wrapper */ |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 319 | extern void VGA_(intercept_libc_freeres_wrapper)(Addr); |
rjwalsh | e4e779d | 2004-04-16 23:02:29 +0000 | [diff] [blame] | 320 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 321 | // Clean up the client by calling before the final reports |
| 322 | extern void VGA_(final_tidyup)(ThreadId tid); |
| 323 | |
| 324 | // Arch-specific client requests |
| 325 | extern Bool VGA_(client_requests)(ThreadId tid, UWord *args); |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 326 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 327 | /* --------------------------------------------------------------------- |
nethercote | 85cdd34 | 2004-08-01 22:36:40 +0000 | [diff] [blame] | 328 | Profiling stuff |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 329 | ------------------------------------------------------------------ */ |
| 330 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 331 | extern void VGP_(init_profiling) ( void ); |
| 332 | extern void VGP_(done_profiling) ( void ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 333 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 334 | #undef VGP_PUSHCC |
| 335 | #undef VGP_POPCC |
| 336 | #define VGP_PUSHCC(x) if (VG_(clo_profile)) VGP_(pushcc)(x) |
| 337 | #define VGP_POPCC(x) if (VG_(clo_profile)) VGP_(popcc)(x) |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 338 | |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 339 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 340 | /* --------------------------------------------------------------------- |
nethercote | 996901a | 2004-08-03 13:29:09 +0000 | [diff] [blame] | 341 | Tool-related types |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 342 | ------------------------------------------------------------------ */ |
nethercote | 996901a | 2004-08-03 13:29:09 +0000 | [diff] [blame] | 343 | /* These structs are not exposed to tools to mitigate possibility of |
| 344 | binary-incompatibilities when the core/tool interface changes. Instead, |
nethercote | 4606320 | 2004-09-02 08:51:43 +0000 | [diff] [blame] | 345 | set functions are provided (see include/tool.h). */ |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 346 | typedef |
| 347 | struct { |
| 348 | Char* name; |
| 349 | Char* version; |
| 350 | Char* description; |
| 351 | Char* copyright_author; |
| 352 | Char* bug_reports_to; |
njn | 120281f | 2003-02-03 12:20:07 +0000 | [diff] [blame] | 353 | UInt avg_translation_sizeB; |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 354 | } |
| 355 | VgDetails; |
| 356 | |
| 357 | extern VgDetails VG_(details); |
| 358 | |
| 359 | /* If new fields are added to this type, update: |
| 360 | * - vg_main.c:initialisation of VG_(needs) |
| 361 | * - vg_main.c:sanity_check_needs() |
| 362 | * |
| 363 | * If the name of this type or any of its fields change, update: |
| 364 | * - dependent comments (just search for "VG_(needs)"). |
| 365 | */ |
| 366 | typedef |
| 367 | struct { |
| 368 | Bool libc_freeres; |
| 369 | Bool core_errors; |
njn | 95ec870 | 2004-11-22 16:46:13 +0000 | [diff] [blame] | 370 | Bool tool_errors; |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 371 | Bool basic_block_discards; |
njn | abb14ad | 2004-11-24 16:57:16 +0000 | [diff] [blame] | 372 | Bool no_longer_used_1; // for backwards compatibility |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 373 | Bool command_line_options; |
| 374 | Bool client_requests; |
njn | 37624a7 | 2004-11-22 20:37:42 +0000 | [diff] [blame] | 375 | Bool no_longer_used_0; // for backwards compatibility |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 376 | Bool syscall_wrapper; |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 377 | Bool sanity_checks; |
| 378 | Bool data_syms; |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 379 | Bool shadow_memory; |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 380 | } |
| 381 | VgNeeds; |
| 382 | |
| 383 | extern VgNeeds VG_(needs); |
| 384 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 385 | extern void VG_(tool_init_dlsym)(void *dlhandle); |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 386 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 387 | #include "vg_toolint.h" |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 388 | |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 389 | |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 390 | /* --------------------------------------------------------------------- |
| 391 | Exports of vg_needs.c |
| 392 | ------------------------------------------------------------------ */ |
| 393 | |
| 394 | void VG_(sanity_check_needs)(void); |
| 395 | |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 396 | |
njn | 810086f | 2002-11-14 12:42:47 +0000 | [diff] [blame] | 397 | /* --------------------------------------------------------------------- |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 398 | Exports of vg_malloc2.c |
| 399 | ------------------------------------------------------------------ */ |
| 400 | |
| 401 | /* Allocation arenas. |
njn | 3e88418 | 2003-04-15 13:03:23 +0000 | [diff] [blame] | 402 | |
| 403 | CORE for the core's general use. |
nethercote | 60f5b82 | 2004-01-26 17:24:42 +0000 | [diff] [blame] | 404 | TOOL for the tool to use (and the only one it uses). |
njn | 3e88418 | 2003-04-15 13:03:23 +0000 | [diff] [blame] | 405 | SYMTAB for Valgrind's symbol table storage. |
| 406 | JITTER for small storage during translation. |
nethercote | 996901a | 2004-08-03 13:29:09 +0000 | [diff] [blame] | 407 | CLIENT for the client's mallocs/frees, if the tool replaces glibc's |
| 408 | malloc() et al -- redzone size is chosen by the tool. |
njn | 3e88418 | 2003-04-15 13:03:23 +0000 | [diff] [blame] | 409 | DEMANGLE for the C++ demangler. |
| 410 | EXECTXT for storing ExeContexts. |
| 411 | ERRORS for storing CoreErrors. |
| 412 | TRANSIENT for very short-term use. It should be empty in between uses. |
| 413 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 414 | When adding a new arena, remember also to add it to ensure_mm_init(). |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 415 | */ |
| 416 | typedef Int ArenaId; |
| 417 | |
njn | 3e88418 | 2003-04-15 13:03:23 +0000 | [diff] [blame] | 418 | #define VG_N_ARENAS 9 |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 419 | |
njn | 3e88418 | 2003-04-15 13:03:23 +0000 | [diff] [blame] | 420 | #define VG_AR_CORE 0 |
nethercote | 60f5b82 | 2004-01-26 17:24:42 +0000 | [diff] [blame] | 421 | #define VG_AR_TOOL 1 |
njn | 3e88418 | 2003-04-15 13:03:23 +0000 | [diff] [blame] | 422 | #define VG_AR_SYMTAB 2 |
| 423 | #define VG_AR_JITTER 3 |
| 424 | #define VG_AR_CLIENT 4 |
| 425 | #define VG_AR_DEMANGLE 5 |
| 426 | #define VG_AR_EXECTXT 6 |
| 427 | #define VG_AR_ERRORS 7 |
| 428 | #define VG_AR_TRANSIENT 8 |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 429 | |
nethercote | 2d5b816 | 2004-08-11 09:40:52 +0000 | [diff] [blame] | 430 | // This is both the minimum payload size of a malloc'd block, and its |
| 431 | // minimum alignment. Must be a power of 2 greater than 4, and should be |
| 432 | // greater than 8. |
| 433 | #define VG_MIN_MALLOC_SZB 8 |
| 434 | |
| 435 | // Round-up size for --sloppy-malloc=yes. |
| 436 | #define VG_SLOPPY_MALLOC_SZB 4 |
| 437 | |
nethercote | 7ac7f7b | 2004-11-02 12:36:02 +0000 | [diff] [blame] | 438 | extern void* VG_(arena_malloc) ( ArenaId arena, SizeT nbytes ); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 439 | extern void VG_(arena_free) ( ArenaId arena, void* ptr ); |
nethercote | 7ac7f7b | 2004-11-02 12:36:02 +0000 | [diff] [blame] | 440 | extern void* VG_(arena_calloc) ( ArenaId arena, SizeT alignment, |
| 441 | SizeT nmemb, SizeT nbytes ); |
| 442 | extern void* VG_(arena_realloc) ( ArenaId arena, void* ptr, SizeT alignment, |
| 443 | SizeT size ); |
| 444 | extern void* VG_(arena_malloc_aligned) ( ArenaId aid, SizeT req_alignB, |
| 445 | SizeT req_pszB ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 446 | |
nethercote | 7ac7f7b | 2004-11-02 12:36:02 +0000 | [diff] [blame] | 447 | extern SizeT VG_(arena_payload_szB) ( ArenaId aid, void* payload ); |
njn | 8a6b6c0 | 2003-04-22 22:45:55 +0000 | [diff] [blame] | 448 | |
nethercote | 885dd91 | 2004-08-03 23:14:00 +0000 | [diff] [blame] | 449 | extern void VG_(sanity_check_malloc_all) ( void ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 450 | |
nethercote | 3a42fb8 | 2004-08-03 18:08:50 +0000 | [diff] [blame] | 451 | extern void VG_(print_all_arena_stats) ( void ); |
nethercote | 885dd91 | 2004-08-03 23:14:00 +0000 | [diff] [blame] | 452 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 453 | extern Bool VG_(is_empty_arena) ( ArenaId aid ); |
| 454 | |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 455 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 456 | /* --------------------------------------------------------------------- |
njn | 3e88418 | 2003-04-15 13:03:23 +0000 | [diff] [blame] | 457 | Exports of vg_intercept.c |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 458 | ------------------------------------------------------------------ */ |
| 459 | |
| 460 | /* This doesn't export code or data that valgrind.so needs to link |
| 461 | against. However, the scheduler does need to know the following |
| 462 | request codes. A few, publically-visible, request codes are also |
nethercote | 996901a | 2004-08-03 13:29:09 +0000 | [diff] [blame] | 463 | defined in valgrind.h, and similar headers for some tools. */ |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 464 | |
njn | 4c79121 | 2003-05-02 17:53:54 +0000 | [diff] [blame] | 465 | #define VG_USERREQ__MALLOC 0x2001 |
| 466 | #define VG_USERREQ__FREE 0x2002 |
| 467 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 468 | /* Obsolete pthread-related requests */ |
sewardj | 20917d8 | 2002-05-28 01:36:45 +0000 | [diff] [blame] | 469 | #define VG_USERREQ__APPLY_IN_NEW_THREAD 0x3001 |
sewardj | 20917d8 | 2002-05-28 01:36:45 +0000 | [diff] [blame] | 470 | #define VG_USERREQ__QUIT 0x3002 |
sewardj | 20917d8 | 2002-05-28 01:36:45 +0000 | [diff] [blame] | 471 | #define VG_USERREQ__WAIT_JOINER 0x3003 |
sewardj | 20917d8 | 2002-05-28 01:36:45 +0000 | [diff] [blame] | 472 | #define VG_USERREQ__PTHREAD_JOIN 0x3004 |
sewardj | 20917d8 | 2002-05-28 01:36:45 +0000 | [diff] [blame] | 473 | #define VG_USERREQ__SET_CANCELSTATE 0x3005 |
| 474 | #define VG_USERREQ__SET_CANCELTYPE 0x3006 |
sewardj | 20917d8 | 2002-05-28 01:36:45 +0000 | [diff] [blame] | 475 | #define VG_USERREQ__TESTCANCEL 0x3007 |
sewardj | 20917d8 | 2002-05-28 01:36:45 +0000 | [diff] [blame] | 476 | #define VG_USERREQ__SET_CANCELPEND 0x3008 |
sewardj | 20917d8 | 2002-05-28 01:36:45 +0000 | [diff] [blame] | 477 | #define VG_USERREQ__SET_OR_GET_DETACH 0x3009 |
thughes | e321d49 | 2004-10-17 15:00:20 +0000 | [diff] [blame] | 478 | #define VG_USERREQ__PTHREAD_GET_THREADID 0x300A |
| 479 | #define VG_USERREQ__PTHREAD_MUTEX_LOCK 0x300B |
| 480 | #define VG_USERREQ__PTHREAD_MUTEX_TIMEDLOCK 0x300C |
sewardj | 20917d8 | 2002-05-28 01:36:45 +0000 | [diff] [blame] | 481 | #define VG_USERREQ__PTHREAD_MUTEX_TRYLOCK 0x300D |
| 482 | #define VG_USERREQ__PTHREAD_MUTEX_UNLOCK 0x300E |
| 483 | #define VG_USERREQ__PTHREAD_COND_WAIT 0x300F |
| 484 | #define VG_USERREQ__PTHREAD_COND_TIMEDWAIT 0x3010 |
| 485 | #define VG_USERREQ__PTHREAD_COND_SIGNAL 0x3011 |
| 486 | #define VG_USERREQ__PTHREAD_COND_BROADCAST 0x3012 |
| 487 | #define VG_USERREQ__PTHREAD_KEY_CREATE 0x3013 |
| 488 | #define VG_USERREQ__PTHREAD_KEY_DELETE 0x3014 |
sewardj | 00a66b1 | 2002-10-12 16:42:35 +0000 | [diff] [blame] | 489 | #define VG_USERREQ__PTHREAD_SETSPECIFIC_PTR 0x3015 |
| 490 | #define VG_USERREQ__PTHREAD_GETSPECIFIC_PTR 0x3016 |
sewardj | 20917d8 | 2002-05-28 01:36:45 +0000 | [diff] [blame] | 491 | #define VG_USERREQ__PTHREAD_SIGMASK 0x3018 |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 492 | #define VG_USERREQ__SIGWAIT 0x3019 |
sewardj | 20917d8 | 2002-05-28 01:36:45 +0000 | [diff] [blame] | 493 | #define VG_USERREQ__PTHREAD_KILL 0x301A |
| 494 | #define VG_USERREQ__PTHREAD_YIELD 0x301B |
sewardj | 00a66b1 | 2002-10-12 16:42:35 +0000 | [diff] [blame] | 495 | #define VG_USERREQ__PTHREAD_KEY_VALIDATE 0x301C |
sewardj | 8ad94e1 | 2002-05-29 00:10:20 +0000 | [diff] [blame] | 496 | #define VG_USERREQ__CLEANUP_PUSH 0x3020 |
| 497 | #define VG_USERREQ__CLEANUP_POP 0x3021 |
sewardj | 870497a | 2002-05-29 01:06:47 +0000 | [diff] [blame] | 498 | #define VG_USERREQ__GET_KEY_D_AND_S 0x3022 |
sewardj | ef037c7 | 2002-05-30 00:40:03 +0000 | [diff] [blame] | 499 | #define VG_USERREQ__NUKE_OTHER_THREADS 0x3023 |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 500 | #define VG_USERREQ__GET_N_SIGS_RETURNED 0x3024 |
sewardj | 2cb0034 | 2002-06-28 01:46:26 +0000 | [diff] [blame] | 501 | #define VG_USERREQ__SET_FHSTACK_USED 0x3025 |
| 502 | #define VG_USERREQ__GET_FHSTACK_USED 0x3026 |
| 503 | #define VG_USERREQ__SET_FHSTACK_ENTRY 0x3027 |
| 504 | #define VG_USERREQ__GET_FHSTACK_ENTRY 0x3028 |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 505 | #define VG_USERREQ__GET_SIGRT_MIN 0x302B |
| 506 | #define VG_USERREQ__GET_SIGRT_MAX 0x302C |
| 507 | #define VG_USERREQ__ALLOC_RTSIG 0x302D |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 508 | #define VG_USERREQ__GET_MALLOCFUNCS 0x3030 |
thughes | daa3456 | 2004-06-27 12:48:53 +0000 | [diff] [blame] | 509 | #define VG_USERREQ__GET_STACK_INFO 0x3033 |
sewardj | 45b4b37 | 2002-04-16 22:50:32 +0000 | [diff] [blame] | 510 | #define VG_USERREQ__GET_PTHREAD_TRACE_LEVEL 0x3101 |
sewardj | 4dced35 | 2002-06-04 22:54:20 +0000 | [diff] [blame] | 511 | #define VG_USERREQ__PTHREAD_ERROR 0x3102 |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 512 | |
| 513 | |
| 514 | #define VG_USERREQ__READ_MILLISECOND_TIMER 0x3017 |
| 515 | |
fitzhardinge | 39de4b4 | 2003-10-31 07:12:21 +0000 | [diff] [blame] | 516 | /* Internal equivalent of VALGRIND_PRINTF . */ |
| 517 | #define VG_USERREQ__INTERNAL_PRINTF 0x3103 |
| 518 | /* Internal equivalent of VALGRIND_PRINTF_BACKTRACE . */ |
| 519 | #define VG_USERREQ__INTERNAL_PRINTF_BACKTRACE 0x3104 |
sewardj | 45b4b37 | 2002-04-16 22:50:32 +0000 | [diff] [blame] | 520 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 521 | /* Denote the finish of __libc_freeres_wrapper(). |
| 522 | A synonym for exit. */ |
| 523 | #define VG_USERREQ__LIBC_FREERES_DONE 0x3029 |
sewardj | 54cacf0 | 2002-04-12 23:24:59 +0000 | [diff] [blame] | 524 | |
rjwalsh | e4e779d | 2004-04-16 23:02:29 +0000 | [diff] [blame] | 525 | #define VG_INTERCEPT_PREFIX "_vgi__" |
| 526 | #define VG_INTERCEPT_PREFIX_LEN 6 |
| 527 | #define VG_INTERCEPT(name) _vgi__##name |
| 528 | #define VG_INTERCEPT_ALIAS(name) "_vgi__" #name |
| 529 | |
| 530 | #define VG_WRAPPER_PREFIX "_vgw__" |
| 531 | #define VG_WRAPPER_PREFIX_LEN 6 |
| 532 | #define VG_WRAPPER(name) _vgw__##name |
| 533 | #define VG_WRAPPER_ALIAS(name) "_vgw__" #name |
| 534 | |
njn | 4c79121 | 2003-05-02 17:53:54 +0000 | [diff] [blame] | 535 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 536 | struct vg_mallocfunc_info { |
| 537 | /* things vg_replace_malloc.o needs to know about */ |
njn | d225283 | 2004-11-26 10:53:33 +0000 | [diff] [blame] | 538 | Addr tl_malloc; |
| 539 | Addr tl_calloc; |
| 540 | Addr tl_realloc; |
| 541 | Addr tl_memalign; |
| 542 | Addr tl___builtin_new; |
| 543 | Addr tl___builtin_vec_new; |
| 544 | Addr tl_free; |
| 545 | Addr tl___builtin_delete; |
| 546 | Addr tl___builtin_vec_delete; |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 547 | |
| 548 | Addr arena_payload_szB; |
| 549 | |
| 550 | Bool clo_sloppy_malloc; |
| 551 | Bool clo_trace_malloc; |
| 552 | }; |
sewardj | 1fe7b00 | 2002-07-16 01:43:15 +0000 | [diff] [blame] | 553 | |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 554 | |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 555 | /* --------------------------------------------------------------------- |
njn | 3e88418 | 2003-04-15 13:03:23 +0000 | [diff] [blame] | 556 | Exports of vg_defaults.c |
| 557 | ------------------------------------------------------------------ */ |
| 558 | |
njn | d225283 | 2004-11-26 10:53:33 +0000 | [diff] [blame] | 559 | extern Bool VG_(tl_malloc_called_by_scheduler); |
njn | 3e88418 | 2003-04-15 13:03:23 +0000 | [diff] [blame] | 560 | |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 561 | |
nethercote | 1f0173b | 2004-02-28 15:40:36 +0000 | [diff] [blame] | 562 | |
| 563 | /* --------------------------------------------------------------------- |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 564 | Exports of vg_scheduler.c |
| 565 | ------------------------------------------------------------------ */ |
| 566 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 567 | /* |
| 568 | Thread state machine: |
| 569 | |
| 570 | Empty -> Init -> Runnable <=> WaitSys/Yielding |
| 571 | ^ | |
| 572 | \---- Zombie -----/ |
| 573 | */ |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 574 | typedef |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 575 | enum ThreadStatus { |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 576 | VgTs_Empty, /* this slot is not in use */ |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 577 | VgTs_Init, /* just allocated */ |
| 578 | VgTs_Runnable, /* ready to run */ |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 579 | VgTs_WaitSys, /* waiting for a syscall to complete */ |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 580 | VgTs_Yielding, /* temporarily yielding the CPU */ |
| 581 | VgTs_Zombie, /* transient state just before exiting */ |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 582 | } |
| 583 | ThreadStatus; |
sewardj | 8ad94e1 | 2002-05-29 00:10:20 +0000 | [diff] [blame] | 584 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 585 | /* Return codes from the scheduler. */ |
thughes | 11975ff | 2004-06-12 12:58:22 +0000 | [diff] [blame] | 586 | typedef |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 587 | enum { |
| 588 | VgSrc_None, /* not exiting yet */ |
| 589 | VgSrc_ExitSyscall, /* client called exit(). This is the normal |
| 590 | route out. */ |
| 591 | VgSrc_FatalSig /* Killed by the default action of a fatal |
| 592 | signal */ |
thughes | 11975ff | 2004-06-12 12:58:22 +0000 | [diff] [blame] | 593 | } |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 594 | VgSchedReturnCode; |
thughes | 11975ff | 2004-06-12 12:58:22 +0000 | [diff] [blame] | 595 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 596 | struct _ThreadState { |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 597 | /* ThreadId == 0 (and hence vg_threads[0]) is NEVER USED. |
| 598 | The thread identity is simply the index in vg_threads[]. |
| 599 | ThreadId == 1 is the root thread and has the special property |
| 600 | that we don't try and allocate or deallocate its stack. For |
| 601 | convenience of generating error message, we also put the |
| 602 | ThreadId in this tid field, but be aware that it should |
| 603 | ALWAYS == the index in vg_threads[]. */ |
| 604 | ThreadId tid; |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 605 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 606 | /* Current scheduling status. */ |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 607 | ThreadStatus status; |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 608 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 609 | /* This is set if the thread is in the process of exiting for any |
| 610 | reason. The precise details of the exit are in the OS-specific |
| 611 | state. */ |
| 612 | VgSchedReturnCode exitreason; |
sewardj | 3b5d886 | 2002-04-20 13:53:23 +0000 | [diff] [blame] | 613 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 614 | /* Architecture-specific thread state. */ |
| 615 | ThreadArchState arch; |
sewardj | b48e500 | 2002-05-13 00:16:03 +0000 | [diff] [blame] | 616 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 617 | /* This thread's blocked-signals mask. Semantics is that for a |
| 618 | signal to be delivered to this thread, the signal must not be |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 619 | blocked by this signal mask. If more than one thread accepts a |
| 620 | signal, then it will be delivered to one at random. If all |
| 621 | threads block the signal, it will remain pending until either a |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 622 | thread unblocks it or someone uses sigwaitsig/sigtimedwait. */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 623 | vki_sigset_t sig_mask; |
sewardj | b48e500 | 2002-05-13 00:16:03 +0000 | [diff] [blame] | 624 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 625 | /* tmp_sig_mask is usually the same as sig_mask, and is kept in |
| 626 | sync whenever sig_mask is changed. The only time they have |
| 627 | different values is during the execution of a sigsuspend, where |
| 628 | tmp_sig_mask is the temporary mask which sigsuspend installs. |
| 629 | It is only consulted to compute the signal mask applied to a |
| 630 | signal handler. */ |
| 631 | vki_sigset_t tmp_sig_mask; |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 632 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 633 | /* A little signal queue for signals we can't get the kernel to |
| 634 | queue for us. This is only allocated as needed, since it should |
| 635 | be rare. */ |
| 636 | struct SigQueue *sig_queue; |
| 637 | |
| 638 | /* Syscall the Thread is currently running; -1 if none. Should only |
| 639 | be set while Thread is in VgTs_WaitSys. */ |
| 640 | Int syscallno; |
| 641 | |
| 642 | /* A value the Tool wants to pass from its pre-syscall to its |
| 643 | post-syscall function. */ |
| 644 | void *tool_pre_syscall_value; |
thughes | 8abf392 | 2004-10-16 10:59:49 +0000 | [diff] [blame] | 645 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 646 | /* Stacks. When a thread slot is freed, we don't deallocate its |
| 647 | stack; we just leave it lying around for the next use of the |
| 648 | slot. If the next use of the slot requires a larger stack, |
| 649 | only then is the old one deallocated and a new one |
| 650 | allocated. |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 651 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 652 | For the main thread (threadid == 0), this mechanism doesn't |
| 653 | apply. We don't know the size of the stack since we didn't |
| 654 | allocate it, and furthermore we never reallocate it. */ |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 655 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 656 | /* The allocated size of this thread's stack (permanently zero |
| 657 | if this is ThreadId == 0, since we didn't allocate its stack) */ |
| 658 | UInt stack_size; |
sewardj | 1e8cdc9 | 2002-04-18 11:37:52 +0000 | [diff] [blame] | 659 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 660 | /* Address of the lowest word in this thread's stack. NULL means |
| 661 | not allocated yet. |
| 662 | */ |
| 663 | Addr stack_base; |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 664 | |
sewardj | 92a5956 | 2002-09-30 00:53:10 +0000 | [diff] [blame] | 665 | /* Address of the highest legitimate word in this stack. This is |
| 666 | used for error messages only -- not critical for execution |
| 667 | correctness. Is is set for all stacks, specifically including |
| 668 | ThreadId == 0 (the main thread). */ |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 669 | Addr stack_highest_word; |
| 670 | |
fitzhardinge | 98c4dc0 | 2004-03-16 08:27:29 +0000 | [diff] [blame] | 671 | /* Alternate signal stack */ |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 672 | vki_stack_t altstack; |
fitzhardinge | 98c4dc0 | 2004-03-16 08:27:29 +0000 | [diff] [blame] | 673 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 674 | /* OS-specific thread state */ |
| 675 | os_thread_t os_state; |
sewardj | 004e8ca | 2005-02-28 17:27:04 +0000 | [diff] [blame] | 676 | |
| 677 | /* Used in the syscall handlers. Set to True to indicate that the |
| 678 | PRE routine for a syscall has set the syscall result already and |
| 679 | so the syscall does not need to be handed to the kernel. */ |
| 680 | Bool syscall_result_set; |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 681 | |
| 682 | /* Per-thread jmp_buf to resume scheduler after a signal */ |
| 683 | Bool sched_jmpbuf_valid; |
| 684 | jmp_buf sched_jmpbuf; |
| 685 | |
| 686 | /* Info about the signal we just got */ |
| 687 | vki_siginfo_t siginfo; |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 688 | }; |
| 689 | //ThreadState; |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 690 | |
sewardj | 018f762 | 2002-05-15 21:13:39 +0000 | [diff] [blame] | 691 | /* The thread table. */ |
| 692 | extern ThreadState VG_(threads)[VG_N_THREADS]; |
| 693 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 694 | /* Allocate a new ThreadState */ |
| 695 | extern ThreadId VG_(alloc_ThreadState)(void); |
| 696 | |
| 697 | /* A thread exits. tid must currently be running. */ |
| 698 | extern void VG_(exit_thread)(ThreadId tid); |
| 699 | |
| 700 | /* Kill a thread. This interrupts whatever a thread is doing, and |
| 701 | makes it exit ASAP. This does not set the exitreason or |
| 702 | exitcode. */ |
| 703 | extern void VG_(kill_thread)(ThreadId tid); |
| 704 | |
sewardj | 018f762 | 2002-05-15 21:13:39 +0000 | [diff] [blame] | 705 | /* Check that tid is in range and denotes a non-Empty thread. */ |
sewardj | b48e500 | 2002-05-13 00:16:03 +0000 | [diff] [blame] | 706 | extern Bool VG_(is_valid_tid) ( ThreadId tid ); |
| 707 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 708 | /* Get the ThreadState for a particular thread */ |
| 709 | extern ThreadState *VG_(get_ThreadState)(ThreadId tid); |
| 710 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 711 | /* Given an LWP id (ie, real kernel thread id), find the corresponding |
| 712 | ThreadId */ |
| 713 | extern ThreadId VG_(get_lwp_tid)(Int lwpid); |
| 714 | |
| 715 | /* Returns true if a thread is currently running (ie, has the CPU lock) */ |
| 716 | extern Bool VG_(is_running_thread)(ThreadId tid); |
| 717 | |
| 718 | /* Returns true if the thread is in the process of exiting */ |
| 719 | extern Bool VG_(is_exiting)(ThreadId tid); |
| 720 | |
| 721 | /* Return the number of non-dead Threads */ |
| 722 | extern Int VG_(count_living_threads)(void); |
| 723 | |
sewardj | ccef2e6 | 2002-05-29 19:26:32 +0000 | [diff] [blame] | 724 | /* Nuke all threads except tid. */ |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 725 | extern void VG_(nuke_all_threads_except) ( ThreadId me, VgSchedReturnCode reason ); |
sewardj | ccef2e6 | 2002-05-29 19:26:32 +0000 | [diff] [blame] | 726 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 727 | /* Make a thread the running thread. The thread must previously been |
| 728 | sleeping, and not holding the CPU semaphore. This will set the |
| 729 | thread state to VgTs_Runnable, and the thread will attempt to take |
| 730 | the CPU semaphore. By the time it returns, tid will be the running |
| 731 | thread. */ |
| 732 | extern void VG_(set_running) ( ThreadId tid ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 733 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 734 | /* Set a thread into a sleeping state. Before the call, the thread |
| 735 | must be runnable, and holding the CPU semaphore. When this call |
| 736 | returns, the thread will be set to the specified sleeping state, |
| 737 | and will not be holding the CPU semaphore. Note that another |
| 738 | thread could be running by the time this call returns, so the |
| 739 | caller must be careful not to touch any shared state. It is also |
| 740 | the caller's responsibility to actually block until the thread is |
| 741 | ready to run again. */ |
| 742 | extern void VG_(set_sleeping) ( ThreadId tid, ThreadStatus state ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 743 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 744 | /* Yield the CPU for a while */ |
| 745 | extern void VG_(vg_yield)(void); |
sewardj | 7e87e38 | 2002-05-03 19:09:05 +0000 | [diff] [blame] | 746 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 747 | // The scheduler. |
| 748 | extern VgSchedReturnCode VG_(scheduler) ( ThreadId tid ); |
| 749 | |
| 750 | // Do everything which needs doing before the process finally ends, |
| 751 | // like printing reports, etc |
| 752 | extern void VG_(shutdown_actions)(ThreadId tid); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 753 | |
| 754 | extern void VG_(scheduler_init) ( void ); |
| 755 | |
sewardj | 15a43e1 | 2002-04-17 19:35:12 +0000 | [diff] [blame] | 756 | extern void VG_(pp_sched_status) ( void ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 757 | |
nethercote | 75d2624 | 2004-08-01 22:59:18 +0000 | [diff] [blame] | 758 | // Longjmp back to the scheduler and thus enter the sighandler immediately. |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 759 | extern void VG_(resume_scheduler) ( ThreadId tid ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 760 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 761 | /* If true, a fault is Valgrind-internal (ie, a bug) */ |
| 762 | extern Bool VG_(my_fault); |
nethercote | 238a3c3 | 2004-08-09 13:13:31 +0000 | [diff] [blame] | 763 | |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 764 | /* The red-zone size which we put at the bottom (highest address) of |
| 765 | thread stacks, for paranoia reasons. This can be arbitrary, and |
| 766 | doesn't really need to be set at compile time. */ |
nethercote | 6e4f9dc | 2004-07-30 23:36:37 +0000 | [diff] [blame] | 767 | #define VG_AR_CLIENT_STACKBASE_REDZONE_SZB 16 |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 768 | |
nethercote | aff1c77 | 2004-09-13 16:11:09 +0000 | [diff] [blame] | 769 | // Write a value to a client's thread register, and shadow (if necessary). |
| 770 | // Note that there are some further similar macros in the arch- and |
| 771 | // platform-specific parts; these ones are the totally generic ones. |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 772 | #define SET_THREAD_REG( zztid, zzval, zzGETREG, zzevent, zzargs... ) \ |
| 773 | do { zzGETREG(VG_(threads)[zztid].arch) = (zzval); \ |
| 774 | VG_TRACK( zzevent, ##zzargs ); \ |
sewardj | 018f762 | 2002-05-15 21:13:39 +0000 | [diff] [blame] | 775 | } while (0) |
| 776 | |
njn | d304045 | 2003-05-19 15:04:06 +0000 | [diff] [blame] | 777 | #define SET_CLREQ_RETVAL(zztid, zzval) \ |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 778 | SET_THREAD_REG(zztid, zzval, CLREQ_RET, post_reg_write, \ |
| 779 | Vg_CoreClientReq, zztid, O_CLREQ_RET, sizeof(UWord)) |
njn | d304045 | 2003-05-19 15:04:06 +0000 | [diff] [blame] | 780 | |
| 781 | #define SET_CLCALL_RETVAL(zztid, zzval, f) \ |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 782 | SET_THREAD_REG(zztid, zzval, CLREQ_RET, post_reg_write_clientcall_return, \ |
| 783 | zztid, O_CLREQ_RET, sizeof(UWord), f) |
njn | d304045 | 2003-05-19 15:04:06 +0000 | [diff] [blame] | 784 | |
| 785 | #define SET_PTHREQ_ESP(zztid, zzval) \ |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 786 | SET_THREAD_REG(zztid, zzval, STACK_PTR, post_reg_write, \ |
| 787 | Vg_CorePThread, zztid, O_STACK_PTR, sizeof(Addr)) |
njn | d304045 | 2003-05-19 15:04:06 +0000 | [diff] [blame] | 788 | |
| 789 | #define SET_PTHREQ_RETVAL(zztid, zzval) \ |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 790 | SET_THREAD_REG(zztid, zzval, PTHREQ_RET, post_reg_write, \ |
| 791 | Vg_CorePThread, zztid, O_PTHREQ_RET, sizeof(UWord)) |
sewardj | 018f762 | 2002-05-15 21:13:39 +0000 | [diff] [blame] | 792 | |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 793 | /* --------------------------------------------------------------------- |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 794 | Exports of vg_signals.c |
| 795 | ------------------------------------------------------------------ */ |
| 796 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 797 | /* Set the standard set of blocked signals, used wheneever we're not |
| 798 | running a client syscall. */ |
| 799 | extern void VG_(block_signals)(ThreadId tid); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 800 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 801 | /* Highest signal the kernel will let us use */ |
| 802 | extern Int VG_(max_signal); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 803 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 804 | extern void VG_(sigstartup_actions) ( void ); |
| 805 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 806 | /* Modify a thread's state so that when it next runs it will be |
| 807 | running in the signal handler (or doing the default action if there |
| 808 | is none). */ |
| 809 | extern void VG_(deliver_signal) ( ThreadId tid, const vki_siginfo_t * ); |
sewardj | 018f762 | 2002-05-15 21:13:39 +0000 | [diff] [blame] | 810 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 811 | extern Bool VG_(is_sig_ign) ( Int sigNo ); |
| 812 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 813 | /* Poll a thread's set of pending signals, and update the Thread's context to deliver one */ |
| 814 | extern void VG_(poll_signals) ( ThreadId ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 815 | |
| 816 | /* Fake system calls for signal handling. */ |
nethercote | 93d9aa1 | 2004-11-10 19:08:31 +0000 | [diff] [blame] | 817 | extern void VG_(do_sys_sigaltstack) ( ThreadId tid ); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 818 | extern Int VG_(do_sys_sigaction) ( Int signo, |
| 819 | const struct vki_sigaction *new_act, |
| 820 | struct vki_sigaction *old_act ); |
nethercote | 93d9aa1 | 2004-11-10 19:08:31 +0000 | [diff] [blame] | 821 | extern void VG_(do_sys_sigprocmask) ( ThreadId tid, Int how, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 822 | vki_sigset_t* set, |
| 823 | vki_sigset_t* oldset ); |
nethercote | 85cdd34 | 2004-08-01 22:36:40 +0000 | [diff] [blame] | 824 | extern void VG_(do_pthread_sigmask_SCSS_upd) ( ThreadId tid, Int how, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 825 | vki_sigset_t* set, |
| 826 | vki_sigset_t* oldset ); |
sewardj | efbfcdf | 2002-06-19 17:35:45 +0000 | [diff] [blame] | 827 | |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 828 | /* Handy utilities to block/restore all host signals. */ |
| 829 | extern void VG_(block_all_host_signals) |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 830 | ( /* OUT */ vki_sigset_t* saved_mask ); |
sewardj | 018f762 | 2002-05-15 21:13:39 +0000 | [diff] [blame] | 831 | extern void VG_(restore_all_host_signals) |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 832 | ( /* IN */ vki_sigset_t* saved_mask ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 833 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 834 | extern void VG_(kill_self)(Int sigNo); |
| 835 | |
fitzhardinge | f1beb25 | 2004-03-16 09:49:08 +0000 | [diff] [blame] | 836 | /* These function synthesize a fault, as if the running instruction |
| 837 | had had a fault. These functions do not return - they longjmp back |
| 838 | into the scheduler so the signal can be delivered. */ |
| 839 | extern void VG_(synth_fault) (ThreadId tid); |
| 840 | extern void VG_(synth_fault_mapping)(ThreadId tid, Addr addr); |
| 841 | extern void VG_(synth_fault_perms) (ThreadId tid, Addr addr); |
sewardj | 5e2f001 | 2004-12-13 14:10:34 +0000 | [diff] [blame] | 842 | extern void VG_(synth_sigill) (ThreadId tid, Addr addr); |
fitzhardinge | f1beb25 | 2004-03-16 09:49:08 +0000 | [diff] [blame] | 843 | |
nethercote | 759dda3 | 2004-08-07 18:16:56 +0000 | [diff] [blame] | 844 | extern void VG_(get_sigstack_bounds)( Addr* low, Addr* high ); |
fitzhardinge | f1beb25 | 2004-03-16 09:49:08 +0000 | [diff] [blame] | 845 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 846 | /* Extend the stack to cover addr, if possible */ |
| 847 | extern Bool VG_(extend_stack)(Addr addr, UInt maxsize); |
| 848 | |
| 849 | /* Returns True if the signal is OK for the client to use */ |
| 850 | extern Bool VG_(client_signal_OK)(Int sigNo); |
| 851 | |
| 852 | /* Forces the client's signal handler to SIG_DFL - generally just |
| 853 | before using that signal to kill the process. */ |
| 854 | extern void VG_(set_default_handler)(Int sig); |
| 855 | |
| 856 | /* Adjust a client's signal mask to match our internal requirements */ |
| 857 | extern void VG_(sanitize_client_sigmask)(ThreadId tid, vki_sigset_t *mask); |
| 858 | |
| 859 | /* Wait until a thread-related predicate is true */ |
| 860 | extern void VG_(wait_for_threadstate)(Bool (*pred)(void *), void *arg); |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 861 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 862 | /* --------------------------------------------------------------------- |
| 863 | Exports of vg_mylibc.c |
| 864 | ------------------------------------------------------------------ */ |
| 865 | |
njn | ca0518d | 2004-11-26 19:34:36 +0000 | [diff] [blame] | 866 | // Useful for making failing stubs, when certain things haven't yet been |
| 867 | // implemented. |
| 868 | #define I_die_here \ |
| 869 | VG_(core_assert_fail) ("Unimplemented functionality", \ |
| 870 | __FILE__, __LINE__, __PRETTY_FUNCTION__) |
| 871 | |
njn | e427a66 | 2002-10-02 11:08:25 +0000 | [diff] [blame] | 872 | #define vg_assert(expr) \ |
| 873 | ((void) ((expr) ? 0 : \ |
| 874 | (VG_(core_assert_fail) (VG__STRING(expr), \ |
| 875 | __FILE__, __LINE__, \ |
| 876 | __PRETTY_FUNCTION__), 0))) |
| 877 | __attribute__ ((__noreturn__)) |
daywalker | 3222e0a | 2003-09-18 01:39:50 +0000 | [diff] [blame] | 878 | extern void VG_(core_assert_fail) ( const Char* expr, const Char* file, |
| 879 | Int line, const Char* fn ); |
njn | e427a66 | 2002-10-02 11:08:25 +0000 | [diff] [blame] | 880 | __attribute__ ((__noreturn__)) |
| 881 | extern void VG_(core_panic) ( Char* str ); |
thughes | 5876d55 | 2004-09-26 18:44:06 +0000 | [diff] [blame] | 882 | __attribute__ ((__noreturn__)) |
| 883 | extern void VG_(core_panic_at) ( Char* str, ExeContext *ec ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 884 | |
nethercote | 05675c8 | 2004-08-04 10:37:49 +0000 | [diff] [blame] | 885 | /* Tools use VG_(strdup)() which doesn't expose ArenaId */ |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 886 | extern Char* VG_(arena_strdup) ( ArenaId aid, const Char* s); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 887 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 888 | extern Int VG_(fcntl) ( Int fd, Int cmd, Int arg ); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 889 | extern Int VG_(poll)( struct vki_pollfd *, UInt nfds, Int timeout); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 890 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 891 | /* system/mman.h */ |
nethercote | 8b5f40c | 2004-11-02 13:29:50 +0000 | [diff] [blame] | 892 | extern void* VG_(mmap)( void* start, SizeT length, UInt prot, UInt flags, |
nethercote | 5b9fafd | 2004-11-04 18:39:22 +0000 | [diff] [blame] | 893 | UInt sf_flags, UInt fd, OffT offset ); |
nethercote | 8b5f40c | 2004-11-02 13:29:50 +0000 | [diff] [blame] | 894 | extern Int VG_(munmap)( void* start, SizeT length ); |
| 895 | extern Int VG_(mprotect)( void *start, SizeT length, UInt prot ); |
sewardj | 79048ce | 2005-02-18 08:28:32 +0000 | [diff] [blame] | 896 | extern Int VG_(mprotect_native)( void *start, SizeT length, UInt prot ); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 897 | |
| 898 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 899 | /* Move an fd into the Valgrind-safe range */ |
| 900 | Int VG_(safe_fd)(Int oldfd); |
| 901 | |
sewardj | 570f890 | 2002-11-03 11:44:36 +0000 | [diff] [blame] | 902 | extern Int VG_(write_socket)( Int sd, void *msg, Int count ); |
sewardj | 73cf3bc | 2002-11-03 03:20:15 +0000 | [diff] [blame] | 903 | |
| 904 | /* --- Connecting over the network --- */ |
| 905 | extern Int VG_(connect_via_socket)( UChar* str ); |
| 906 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 907 | /* Environment manipulations */ |
nethercote | 60a96c5 | 2004-08-03 13:08:31 +0000 | [diff] [blame] | 908 | extern Char **VG_(env_setenv) ( Char ***envp, const Char* varname, |
| 909 | const Char *val ); |
| 910 | extern void VG_(env_unsetenv) ( Char **env, const Char *varname ); |
| 911 | extern void VG_(env_remove_valgrind_env_stuff) ( Char** env ); |
sewardj | 570f890 | 2002-11-03 11:44:36 +0000 | [diff] [blame] | 912 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 913 | extern void VG_(nanosleep)(struct vki_timespec *); |
sewardj | 570f890 | 2002-11-03 11:44:36 +0000 | [diff] [blame] | 914 | /* --------------------------------------------------------------------- |
| 915 | Exports of vg_message.c |
| 916 | ------------------------------------------------------------------ */ |
| 917 | |
| 918 | /* Low-level -- send bytes directly to the message sink. Do not |
| 919 | use. */ |
| 920 | extern void VG_(send_bytes_to_logging_sink) ( Char* msg, Int nbytes ); |
| 921 | |
nethercote | d1da90e | 2004-08-03 17:26:39 +0000 | [diff] [blame] | 922 | // Functions for printing from code within Valgrind, but which runs on the |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 923 | // sim'd CPU. Defined here because needed for vg_replace_malloc.c. The |
| 924 | // weak attribute ensures the multiple definitions are not a problem. They |
| 925 | // must be functions rather than macros so that va_list can be used. |
nethercote | c91ce8d | 2004-08-09 11:15:10 +0000 | [diff] [blame] | 926 | |
| 927 | __attribute__((weak)) |
| 928 | int |
| 929 | VALGRIND_INTERNAL_PRINTF(char *format, ...) |
| 930 | { |
nethercote | be671db | 2004-10-26 11:44:46 +0000 | [diff] [blame] | 931 | UWord _qzz_res = 0; |
nethercote | c91ce8d | 2004-08-09 11:15:10 +0000 | [diff] [blame] | 932 | va_list vargs; |
| 933 | va_start(vargs, format); |
| 934 | VALGRIND_MAGIC_SEQUENCE(_qzz_res, 0, VG_USERREQ__INTERNAL_PRINTF, |
nethercote | be671db | 2004-10-26 11:44:46 +0000 | [diff] [blame] | 935 | (UWord)format, (UWord)vargs, 0, 0); |
nethercote | c91ce8d | 2004-08-09 11:15:10 +0000 | [diff] [blame] | 936 | va_end(vargs); |
| 937 | return _qzz_res; |
| 938 | } |
| 939 | |
| 940 | __attribute__((weak)) |
| 941 | int |
| 942 | VALGRIND_INTERNAL_PRINTF_BACKTRACE(char *format, ...) |
| 943 | { |
nethercote | be671db | 2004-10-26 11:44:46 +0000 | [diff] [blame] | 944 | UWord _qzz_res = 0; |
nethercote | c91ce8d | 2004-08-09 11:15:10 +0000 | [diff] [blame] | 945 | va_list vargs; |
| 946 | va_start(vargs, format); |
| 947 | VALGRIND_MAGIC_SEQUENCE(_qzz_res, 0, VG_USERREQ__INTERNAL_PRINTF_BACKTRACE, |
nethercote | be671db | 2004-10-26 11:44:46 +0000 | [diff] [blame] | 948 | (UWord)format, (UWord)vargs, 0, 0); |
nethercote | c91ce8d | 2004-08-09 11:15:10 +0000 | [diff] [blame] | 949 | va_end(vargs); |
| 950 | return _qzz_res; |
| 951 | } |
| 952 | |
nethercote | d1da90e | 2004-08-03 17:26:39 +0000 | [diff] [blame] | 953 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 954 | /* --------------------------------------------------------------------- |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 955 | Exports of vg_demangle.c |
| 956 | ------------------------------------------------------------------ */ |
| 957 | |
| 958 | extern void VG_(demangle) ( Char* orig, Char* result, Int result_size ); |
| 959 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 960 | extern void VG_(reloc_abs_jump) ( UChar *jmp ); |
sewardj | 4ccf707 | 2004-11-28 16:58:05 +0000 | [diff] [blame] | 961 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 962 | /* --------------------------------------------------------------------- |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 963 | Exports of vg_translate.c |
| 964 | ------------------------------------------------------------------ */ |
| 965 | |
sewardj | fa8ec11 | 2005-01-19 11:55:34 +0000 | [diff] [blame] | 966 | extern |
| 967 | Bool VG_(translate) ( ThreadId tid, |
| 968 | Addr64 orig_addr, |
| 969 | Bool debugging_translation, |
| 970 | Int debugging_verbosity ); |
sewardj | b5ff83e | 2002-12-01 19:40:49 +0000 | [diff] [blame] | 971 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 972 | /* --------------------------------------------------------------------- |
| 973 | Exports of vg_execontext.c. |
| 974 | ------------------------------------------------------------------ */ |
| 975 | |
nethercote | 4ad7431 | 2004-10-26 09:59:49 +0000 | [diff] [blame] | 976 | /* Records the PC and a bit of the call chain. The first 4 IP |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 977 | values are used in comparisons do remove duplicate errors, and for |
| 978 | comparing against suppression specifications. The rest are purely |
| 979 | informational (but often important). */ |
| 980 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 981 | struct _ExeContext { |
| 982 | struct _ExeContext * next; |
| 983 | /* Variable-length array. The size is VG_(clo_backtrace_size); at |
nethercote | 86c5dcb | 2004-09-05 21:32:37 +0000 | [diff] [blame] | 984 | least 1, at most VG_DEEPEST_BACKTRACE. [0] is the current IP, |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 985 | [1] is its caller, [2] is the caller of [1], etc. */ |
nethercote | 86c5dcb | 2004-09-05 21:32:37 +0000 | [diff] [blame] | 986 | Addr ips[0]; |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 987 | }; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 988 | |
| 989 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 990 | /* Print stats (informational only). */ |
nethercote | 3a42fb8 | 2004-08-03 18:08:50 +0000 | [diff] [blame] | 991 | extern void VG_(print_ExeContext_stats) ( void ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 992 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 993 | /* Like VG_(get_ExeContext), but with a slightly different type */ |
nethercote | 3d4a0b1 | 2004-09-06 15:14:46 +0000 | [diff] [blame] | 994 | extern ExeContext* VG_(get_ExeContext2) ( Addr ip, Addr fp, |
| 995 | Addr fp_min, Addr fp_max ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 996 | |
| 997 | |
| 998 | /* --------------------------------------------------------------------- |
| 999 | Exports of vg_errcontext.c. |
| 1000 | ------------------------------------------------------------------ */ |
| 1001 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1002 | typedef |
| 1003 | enum { |
| 1004 | ThreadErr = -1, // Thread error |
| 1005 | MutexErr = -2, // Mutex error |
| 1006 | } |
| 1007 | CoreErrorKind; |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1008 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1009 | extern void VG_(load_suppressions) ( void ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1010 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1011 | extern void VG_(show_all_errors) ( void ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1012 | |
nethercote | f2b1148 | 2004-08-02 12:36:01 +0000 | [diff] [blame] | 1013 | extern Bool VG_(is_action_requested) ( Char* action, Bool* clo ); |
njn | 43c799e | 2003-04-08 00:08:52 +0000 | [diff] [blame] | 1014 | |
nethercote | f2b1148 | 2004-08-02 12:36:01 +0000 | [diff] [blame] | 1015 | extern UInt VG_(get_n_errs_found) ( void ); |
njn | 47363ab | 2003-04-21 13:24:40 +0000 | [diff] [blame] | 1016 | |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 1017 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1018 | /* --------------------------------------------------------------------- |
| 1019 | Exports of vg_procselfmaps.c |
| 1020 | ------------------------------------------------------------------ */ |
| 1021 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1022 | /* Parses /proc/self/maps, calling `record_mapping' for each entry. */ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1023 | extern |
njn | fa1016e | 2003-09-25 17:54:11 +0000 | [diff] [blame] | 1024 | void VG_(parse_procselfmaps) ( |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1025 | void (*record_mapping)( Addr addr, SizeT len, UInt prot, |
nethercote | 85cdd34 | 2004-08-01 22:36:40 +0000 | [diff] [blame] | 1026 | UInt dev, UInt ino, ULong foff, |
| 1027 | const UChar *filename ) ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1028 | |
| 1029 | |
| 1030 | /* --------------------------------------------------------------------- |
| 1031 | Exports of vg_symtab2.c |
| 1032 | ------------------------------------------------------------------ */ |
| 1033 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1034 | typedef struct _Segment Segment; |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1035 | typedef struct _CodeRedirect CodeRedirect; |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1036 | |
| 1037 | extern Bool VG_(is_object_file) ( const void *hdr ); |
nethercote | 4ad7431 | 2004-10-26 09:59:49 +0000 | [diff] [blame] | 1038 | extern void VG_(mini_stack_dump) ( Addr ips[], UInt n_ips ); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1039 | extern SegInfo * VG_(read_seg_symbols) ( Segment *seg ); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1040 | extern void VG_(symtab_incref) ( SegInfo * ); |
nethercote | 8991d5a | 2004-11-03 17:07:46 +0000 | [diff] [blame] | 1041 | extern void VG_(symtab_decref) ( SegInfo *, Addr a ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1042 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1043 | extern Bool VG_(get_fnname_nodemangle)( Addr a, Char* fnname, Int n_fnname ); |
sewardj | 25c7c3a | 2003-07-10 00:17:58 +0000 | [diff] [blame] | 1044 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1045 | extern Addr VG_(reverse_search_one_symtab) ( const SegInfo* si, const Char* name ); |
| 1046 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1047 | /* Set up some default redirects */ |
| 1048 | extern void VG_(setup_code_redirect_table) ( void ); |
sewardj | 25c7c3a | 2003-07-10 00:17:58 +0000 | [diff] [blame] | 1049 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1050 | extern Bool VG_(resolve_redir_allsegs)(CodeRedirect *redir); |
| 1051 | |
| 1052 | /* --------------------------------------------------------------------- |
| 1053 | Exports of vg_redir.c |
| 1054 | ------------------------------------------------------------------ */ |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1055 | /* Redirection machinery */ |
nethercote | 85cdd34 | 2004-08-01 22:36:40 +0000 | [diff] [blame] | 1056 | extern Addr VG_(code_redirect) ( Addr orig ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1057 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1058 | extern void VG_(add_redirect_addr)(const Char *from_lib, const Char *from_sym, |
| 1059 | Addr to_addr); |
| 1060 | extern void VG_(resolve_seg_redirs)(SegInfo *si); |
| 1061 | extern Bool VG_(resolve_redir)(CodeRedirect *redir, const SegInfo *si); |
| 1062 | |
| 1063 | /* Wrapping machinery */ |
| 1064 | enum return_type { |
| 1065 | RT_RETURN, |
| 1066 | RT_LONGJMP, |
| 1067 | RT_EXIT, |
| 1068 | }; |
| 1069 | |
| 1070 | typedef struct _FuncWrapper FuncWrapper; |
| 1071 | struct _FuncWrapper { |
| 1072 | void *(*before)(va_list args); |
| 1073 | void (*after) (void *nonce, enum return_type, Word retval); |
| 1074 | }; |
| 1075 | |
| 1076 | extern void VG_(wrap_function)(Addr eip, const FuncWrapper *wrapper); |
| 1077 | extern const FuncWrapper *VG_(is_wrapped)(Addr eip); |
| 1078 | extern Bool VG_(is_wrapper_return)(Addr eip); |
| 1079 | |
| 1080 | /* Primary interface for adding wrappers for client-side functions. */ |
| 1081 | extern CodeRedirect *VG_(add_wrapper)(const Char *from_lib, const Char *from_sym, |
| 1082 | const FuncWrapper *wrapper); |
| 1083 | |
| 1084 | extern Bool VG_(is_resolved)(const CodeRedirect *redir); |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 1085 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1086 | /* --------------------------------------------------------------------- |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1087 | Exports of vg_main.c |
| 1088 | ------------------------------------------------------------------ */ |
| 1089 | |
sewardj | 73cf3bc | 2002-11-03 03:20:15 +0000 | [diff] [blame] | 1090 | /* Tell the logging mechanism whether we are logging to a file |
| 1091 | descriptor or a socket descriptor. */ |
| 1092 | extern Bool VG_(logging_to_filedes); |
| 1093 | |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1094 | /* Sanity checks which may be done at any time. The scheduler decides when. */ |
nethercote | 885dd91 | 2004-08-03 23:14:00 +0000 | [diff] [blame] | 1095 | extern void VG_(sanity_check_general) ( Bool force_expensive ); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1096 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1097 | /* Address space */ |
| 1098 | extern Addr VG_(client_base); /* client address space limits */ |
| 1099 | extern Addr VG_(client_end); |
| 1100 | extern Addr VG_(client_mapbase); /* base of mappings */ |
| 1101 | extern Addr VG_(clstk_base); /* client stack range */ |
| 1102 | extern Addr VG_(clstk_end); |
fitzhardinge | 9236079 | 2003-12-24 10:11:11 +0000 | [diff] [blame] | 1103 | extern Addr VG_(client_trampoline_code); |
| 1104 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1105 | extern Addr VG_(brk_base); /* start of brk */ |
| 1106 | extern Addr VG_(brk_limit); /* current brk */ |
nethercote | 996901a | 2004-08-03 13:29:09 +0000 | [diff] [blame] | 1107 | extern Addr VG_(shadow_base); /* tool's shadow memory */ |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1108 | extern Addr VG_(shadow_end); |
| 1109 | extern Addr VG_(valgrind_base); /* valgrind's address range */ |
nethercote | 820bd8c | 2004-09-07 23:04:49 +0000 | [diff] [blame] | 1110 | 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] | 1111 | |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 1112 | extern struct vki_rlimit VG_(client_rlimit_data); /* client's original rlimit data */ |
| 1113 | extern struct vki_rlimit VG_(client_rlimit_stack); /* client's original rlimit stack */ |
fitzhardinge | b50068f | 2004-02-24 23:42:55 +0000 | [diff] [blame] | 1114 | |
fitzhardinge | a49f9b5 | 2003-12-16 22:26:45 +0000 | [diff] [blame] | 1115 | /* client executable file descriptor */ |
| 1116 | extern Int VG_(clexecfd); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1117 | |
nethercote | f6a1d50 | 2004-08-09 12:21:57 +0000 | [diff] [blame] | 1118 | // Help set up the child used when doing execve() with --trace-children=yes |
| 1119 | Char* VG_(build_child_VALGRINDCLO) ( Char* exename ); |
| 1120 | Char* VG_(build_child_exename) ( void ); |
| 1121 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1122 | /* The master thread the one which will be responsible for mopping |
| 1123 | everything up at exit. Normally it is tid 1, since that's the |
| 1124 | first thread created, but it may be something else after a |
| 1125 | fork(). */ |
| 1126 | extern ThreadId VG_(master_tid); |
| 1127 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1128 | /* Called when some unhandleable client behaviour is detected. |
| 1129 | Prints a msg and aborts. */ |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1130 | extern void VG_(unimplemented) ( Char* msg ) |
| 1131 | __attribute__((__noreturn__)); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1132 | |
nethercote | 04d0fbc | 2004-01-26 16:48:06 +0000 | [diff] [blame] | 1133 | /* Something of a function looking for a home ... start up debugger. */ |
njn | c616819 | 2004-11-29 13:54:10 +0000 | [diff] [blame] | 1134 | extern void VG_(start_debugger) ( ThreadId tid ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1135 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1136 | /* Counts downwards in vg_run_innerloop. */ |
| 1137 | extern UInt VG_(dispatch_ctr); |
| 1138 | |
sewardj | 4ccf707 | 2004-11-28 16:58:05 +0000 | [diff] [blame] | 1139 | /* Instruction pointer guest state offset, used by $VG_ARCH/dispatch.S. */ |
njn | 87c9812 | 2004-11-30 23:32:01 +0000 | [diff] [blame] | 1140 | extern OffT VG_(instr_ptr_offset); |
njn | 16de557 | 2004-11-27 14:27:21 +0000 | [diff] [blame] | 1141 | |
sewardj | 4ccf707 | 2004-11-28 16:58:05 +0000 | [diff] [blame] | 1142 | /* Stats ... */ |
nethercote | 844e712 | 2004-08-02 15:27:22 +0000 | [diff] [blame] | 1143 | extern void VG_(print_scheduler_stats) ( void ); |
sewardj | 2e93c50 | 2002-04-12 11:12:52 +0000 | [diff] [blame] | 1144 | |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 1145 | /* Indicates what arch and subarch we are running on. */ |
| 1146 | extern VexArch VG_(vex_arch); |
| 1147 | extern VexSubArch VG_(vex_subarch); |
| 1148 | |
nethercote | 2e05c33 | 2004-09-06 16:43:37 +0000 | [diff] [blame] | 1149 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1150 | /* --------------------------------------------------------------------- |
| 1151 | Exports of vg_memory.c |
| 1152 | ------------------------------------------------------------------ */ |
| 1153 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1154 | /* A Segment is mapped piece of client memory. This covers all kinds |
| 1155 | of mapped memory (exe, brk, mmap, .so, shm, stack, etc) |
| 1156 | |
| 1157 | We try to encode everything we know about a particular segment here. |
| 1158 | */ |
nethercote | 85cdd34 | 2004-08-01 22:36:40 +0000 | [diff] [blame] | 1159 | #define SF_FIXED (1 << 0) // client asked for MAP_FIXED |
| 1160 | #define SF_SHARED (1 << 1) // shared |
| 1161 | #define SF_SHM (1 << 2) // SYSV SHM (also SF_SHARED) |
| 1162 | #define SF_MMAP (1 << 3) // mmap memory |
| 1163 | #define SF_FILE (1 << 4) // mapping is backed by a file |
| 1164 | #define SF_STACK (1 << 5) // is a stack |
| 1165 | #define SF_GROWDOWN (1 << 6) // segment grows down |
| 1166 | #define SF_GROWUP (1 << 7) // segment grows up |
| 1167 | #define SF_EXEC (1 << 8) // segment created by exec |
| 1168 | #define SF_DYNLIB (1 << 9) // mapped from dynamic library |
| 1169 | #define SF_NOSYMS (1 << 10) // don't load syms, even if present |
| 1170 | #define SF_BRK (1 << 11) // brk segment |
| 1171 | #define SF_CORE (1 << 12) // allocated by core on behalf of the client |
| 1172 | #define SF_VALGRIND (1 << 13) // a valgrind-internal mapping - not in client |
| 1173 | #define SF_CODE (1 << 14) // segment contains cached code |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1174 | #define SF_DEVICE (1 << 15) // device mapping; avoid careless touching |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1175 | |
| 1176 | struct _Segment { |
njn | f9dc619 | 2004-11-30 13:20:44 +0000 | [diff] [blame] | 1177 | UInt prot; // VKI_PROT_* |
| 1178 | UInt flags; // SF_* |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1179 | |
njn | f9dc619 | 2004-11-30 13:20:44 +0000 | [diff] [blame] | 1180 | Addr addr; // mapped addr (page aligned) |
| 1181 | SizeT len; // size of mapping (page aligned) |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1182 | |
njn | f9dc619 | 2004-11-30 13:20:44 +0000 | [diff] [blame] | 1183 | // These are valid if (flags & SF_FILE) |
| 1184 | OffT offset; // file offset |
| 1185 | const Char* filename; // filename (NULL if unknown) |
sewardj | 79048ce | 2005-02-18 08:28:32 +0000 | [diff] [blame] | 1186 | Int fnIdx; // filename table index (-1 if unknown) |
njn | f9dc619 | 2004-11-30 13:20:44 +0000 | [diff] [blame] | 1187 | UInt dev; // device |
| 1188 | UInt ino; // inode |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1189 | |
njn | f9dc619 | 2004-11-30 13:20:44 +0000 | [diff] [blame] | 1190 | SegInfo* symtab; // symbol table |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1191 | }; |
| 1192 | |
| 1193 | /* segment mapped from a file descriptor */ |
nethercote | 8b5f40c | 2004-11-02 13:29:50 +0000 | [diff] [blame] | 1194 | extern void VG_(map_fd_segment) (Addr addr, SizeT len, UInt prot, UInt flags, |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1195 | Int fd, ULong off, const Char *filename); |
| 1196 | |
| 1197 | /* segment mapped from a file */ |
nethercote | 8b5f40c | 2004-11-02 13:29:50 +0000 | [diff] [blame] | 1198 | extern void VG_(map_file_segment)(Addr addr, SizeT len, UInt prot, UInt flags, |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1199 | UInt dev, UInt ino, ULong off, const Char *filename); |
| 1200 | |
| 1201 | /* simple segment */ |
nethercote | 8b5f40c | 2004-11-02 13:29:50 +0000 | [diff] [blame] | 1202 | extern void VG_(map_segment) (Addr addr, SizeT len, UInt prot, UInt flags); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1203 | |
nethercote | 8b5f40c | 2004-11-02 13:29:50 +0000 | [diff] [blame] | 1204 | extern void VG_(unmap_range) (Addr addr, SizeT len); |
| 1205 | extern void VG_(mprotect_range)(Addr addr, SizeT len, UInt prot); |
| 1206 | extern Addr VG_(find_map_space)(Addr base, SizeT len, Bool for_client); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1207 | |
sewardj | 548be6d | 2005-02-16 01:31:37 +0000 | [diff] [blame] | 1208 | /* Find the segment containing a, or NULL if none. */ |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1209 | extern Segment *VG_(find_segment)(Addr a); |
sewardj | 548be6d | 2005-02-16 01:31:37 +0000 | [diff] [blame] | 1210 | |
| 1211 | /* a is an unmapped address (is checked). Find the next segment |
| 1212 | along in the address space, or NULL if none. */ |
| 1213 | extern Segment *VG_(find_segment_above_unmapped)(Addr a); |
| 1214 | |
| 1215 | /* a is a mapped address (in a segment, is checked). Find the |
| 1216 | next segment along. */ |
| 1217 | extern Segment *VG_(find_segment_above_mapped)(Addr a); |
| 1218 | |
sewardj | 1024cf7 | 2005-02-28 14:39:21 +0000 | [diff] [blame] | 1219 | extern Bool VG_(seg_contains)(const Segment *s, Addr ptr, SizeT size); |
| 1220 | extern Bool VG_(seg_overlaps)(const Segment *s, Addr ptr, SizeT size); |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1221 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1222 | extern Segment *VG_(split_segment)(Addr a); |
| 1223 | |
| 1224 | extern void VG_(pad_address_space) (Addr start); |
| 1225 | extern void VG_(unpad_address_space)(Addr start); |
thughes | 9aaebc3 | 2004-07-15 23:13:37 +0000 | [diff] [blame] | 1226 | |
sewardj | 2a99cf6 | 2004-11-24 10:44:19 +0000 | [diff] [blame] | 1227 | extern REGPARM(2) |
| 1228 | void VG_(unknown_SP_update) ( Addr old_SP, Addr new_SP ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1229 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1230 | ///* Search /proc/self/maps for changes which aren't reflected in the |
| 1231 | // segment list */ |
| 1232 | //extern void VG_(sync_segments)(UInt flags); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1233 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1234 | /* Return string for prot */ |
| 1235 | extern const HChar *VG_(prot_str)(UInt prot); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1236 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1237 | //extern void VG_(print_shadow_stats)(); |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1238 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1239 | /* --------------------------------------------------------------------- |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1240 | Exports of vg_syscalls.c |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1241 | ------------------------------------------------------------------ */ |
| 1242 | |
sewardj | 79048ce | 2005-02-18 08:28:32 +0000 | [diff] [blame] | 1243 | extern HChar* VG_(resolve_filename_nodup)(Int fd); |
| 1244 | extern HChar* VG_(resolve_filename)(Int fd); |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1245 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1246 | /* Simple Valgrind-internal atfork mechanism */ |
| 1247 | extern void VG_(do_atfork_pre) (ThreadId tid); |
| 1248 | extern void VG_(do_atfork_parent)(ThreadId tid); |
| 1249 | extern void VG_(do_atfork_child) (ThreadId tid); |
| 1250 | |
| 1251 | |
| 1252 | extern void VG_(client_syscall) ( ThreadId tid ); |
| 1253 | |
| 1254 | extern void VG_(post_syscall) ( ThreadId tid ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1255 | |
nethercote | 5b9fafd | 2004-11-04 18:39:22 +0000 | [diff] [blame] | 1256 | extern Bool VG_(is_kerror) ( Word res ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1257 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1258 | /* Internal atfork handlers */ |
| 1259 | typedef void (*vg_atfork_t)(ThreadId); |
| 1260 | extern void VG_(atfork)(vg_atfork_t pre, vg_atfork_t parent, vg_atfork_t child); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1261 | |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 1262 | /* fd leakage calls. */ |
| 1263 | extern void VG_(init_preopened_fds) ( void ); |
nethercote | 3a42fb8 | 2004-08-03 18:08:50 +0000 | [diff] [blame] | 1264 | extern void VG_(show_open_fds) ( void ); |
rjwalsh | f5f536f | 2003-11-17 17:45:00 +0000 | [diff] [blame] | 1265 | |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1266 | // Return true if address range entirely contained within client |
| 1267 | // address space. |
| 1268 | Bool VG_(valid_client_addr)(Addr start, SizeT size, ThreadId tid, |
| 1269 | const Char *syscallname); |
nethercote | 3d5e910 | 2004-11-17 18:22:38 +0000 | [diff] [blame] | 1270 | |
| 1271 | // Return true if we're allowed to use or create this fd. |
| 1272 | Bool VG_(fd_allowed)(Int fd, const Char *syscallname, ThreadId tid, Bool soft); |
| 1273 | |
njn | c616819 | 2004-11-29 13:54:10 +0000 | [diff] [blame] | 1274 | void VG_(record_fd_open)(ThreadId tid, Int fd, char *pathname); |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1275 | |
| 1276 | // Flags describing syscall wrappers |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1277 | #define Special (1 << 0) /* handled specially */ |
| 1278 | #define MayBlock (1 << 1) /* may block */ |
| 1279 | #define PostOnFail (1 << 2) /* call POST() function on failure */ |
| 1280 | #define PadAddr (1 << 3) /* pad+unpad address space around syscall */ |
| 1281 | #define Done (1 << 4) /* used if a PRE() did the syscall */ |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1282 | |
njn | 61fa0af | 2004-11-27 15:22:24 +0000 | [diff] [blame] | 1283 | // Templates for generating the PRE and POST macros. For ones that must be |
| 1284 | // publically visible, use an empty 'qual', 'prefix' should start with |
| 1285 | // "vgArch_", and there should be corresponding global declarations (like |
| 1286 | // the GEN_SYSCALL_WRAPPER ones below). Otherwise, use "static" for 'qual', |
| 1287 | // and "vgArch_" should not be in the 'prefix'. |
| 1288 | #define PRE_TEMPLATE(qual, prefix, name, f) \ |
| 1289 | qual UInt prefix##_##name##_flags = f; \ |
| 1290 | qual void prefix##_##name##_before(ThreadId tid, ThreadState *tst) |
| 1291 | #define POST_TEMPLATE(qual, prefix, name) \ |
| 1292 | qual void prefix##_##name##_after (ThreadId tid, ThreadState *tst) |
| 1293 | |
| 1294 | // This macro is used to write other macros which making writing syscall |
| 1295 | // tables easier. |
| 1296 | #define SYS_WRAPPER_ENTRY_X_(prefix, const, name) \ |
| 1297 | [const] = { &prefix##_##name##_flags, \ |
| 1298 | prefix##_##name##_before, NULL } |
| 1299 | #define SYS_WRAPPER_ENTRY_XY(prefix, const, name) \ |
| 1300 | [const] = { &prefix##_##name##_flags, \ |
| 1301 | prefix##_##name##_before, \ |
| 1302 | prefix##_##name##_after } |
| 1303 | |
| 1304 | // Macros for adding generic wrappers to a syscall table. |
| 1305 | #define GENX_(const, name) SYS_WRAPPER_ENTRY_X_(vgArch_gen, const, name) |
| 1306 | #define GENXY(const, name) SYS_WRAPPER_ENTRY_XY(vgArch_gen, const, name) |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1307 | |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 1308 | // Space-saving macros for syscall wrappers |
| 1309 | #define SYSNO SYSCALL_NUM(tst->arch) // in PRE(x) |
| 1310 | #define RES SYSCALL_RET(tst->arch) // in POST(x) |
| 1311 | #define ARG1 SYSCALL_ARG1(tst->arch) |
| 1312 | #define ARG2 SYSCALL_ARG2(tst->arch) |
| 1313 | #define ARG3 SYSCALL_ARG3(tst->arch) |
| 1314 | #define ARG4 SYSCALL_ARG4(tst->arch) |
| 1315 | #define ARG5 SYSCALL_ARG5(tst->arch) |
| 1316 | #define ARG6 SYSCALL_ARG6(tst->arch) |
| 1317 | |
sewardj | 004e8ca | 2005-02-28 17:27:04 +0000 | [diff] [blame] | 1318 | #define SET_RESULT(val) \ |
| 1319 | do { PLATFORM_SET_SYSCALL_RESULT(tst->arch, (val)); \ |
| 1320 | tst->syscall_result_set = True; \ |
| 1321 | } while (0) |
njn | 22cfccb | 2004-11-27 16:10:23 +0000 | [diff] [blame] | 1322 | |
| 1323 | #define PRINT(format, args...) \ |
| 1324 | if (VG_(clo_trace_syscalls)) \ |
| 1325 | VG_(printf)(format, ## args) |
| 1326 | |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1327 | // Generic (platform-independent) syscall wrappers. These are generally |
| 1328 | // POSIX or something like that; those that are not POSIX are annotated |
| 1329 | // with what standards they are part of, as stated in the Linux man pages. |
nethercote | 3d5e910 | 2004-11-17 18:22:38 +0000 | [diff] [blame] | 1330 | // For many of them, it's unclear if they are generic, or Linux-specific, or |
| 1331 | // x86/Linux-specific, or something else again. |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1332 | // |
| 1333 | // Nb: This list may change over time... ones thought at first to be generic |
| 1334 | // may turn out not to be, and so be moved into OS-specific or |
| 1335 | // platform-specific files. If there's any doubt, I'm leaving them in here. |
| 1336 | // |
| 1337 | // Nb 2: if porting to a new OS, you should really check all these generic |
| 1338 | // wrappers to make sure they match your OS, painful as it might be. |
njn | 61fa0af | 2004-11-27 15:22:24 +0000 | [diff] [blame] | 1339 | // |
| 1340 | // For each generic ("gen") wrapper, we declare the pre-wrapper, the |
| 1341 | // post-wrapper (which is actually not always needed), and the associated |
| 1342 | // flags. |
| 1343 | #define GEN_SYSCALL_WRAPPER(x) \ |
| 1344 | extern UInt VGA_(gen_##x##_flags); \ |
| 1345 | extern void VGA_(gen_##x##_before)(ThreadId tid, ThreadState *tst); \ |
| 1346 | extern void VGA_(gen_##x##_after) (ThreadId tid, ThreadState *tst) |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1347 | |
| 1348 | GEN_SYSCALL_WRAPPER(sys_ni_syscall); // * P -- unimplemented |
| 1349 | GEN_SYSCALL_WRAPPER(sys_exit); |
| 1350 | GEN_SYSCALL_WRAPPER(sys_fork); |
| 1351 | GEN_SYSCALL_WRAPPER(sys_read); |
| 1352 | GEN_SYSCALL_WRAPPER(sys_write); |
| 1353 | GEN_SYSCALL_WRAPPER(sys_open); |
| 1354 | GEN_SYSCALL_WRAPPER(sys_close); |
| 1355 | GEN_SYSCALL_WRAPPER(sys_waitpid); |
| 1356 | GEN_SYSCALL_WRAPPER(sys_creat); |
| 1357 | GEN_SYSCALL_WRAPPER(sys_link); |
| 1358 | GEN_SYSCALL_WRAPPER(sys_unlink); |
nethercote | 3d5e910 | 2004-11-17 18:22:38 +0000 | [diff] [blame] | 1359 | GEN_SYSCALL_WRAPPER(sys_execve); // (*??) P |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1360 | GEN_SYSCALL_WRAPPER(sys_chdir); |
| 1361 | GEN_SYSCALL_WRAPPER(sys_time); |
| 1362 | GEN_SYSCALL_WRAPPER(sys_mknod); |
| 1363 | GEN_SYSCALL_WRAPPER(sys_chmod); |
| 1364 | GEN_SYSCALL_WRAPPER(sys_lseek); |
| 1365 | GEN_SYSCALL_WRAPPER(sys_getpid); |
| 1366 | GEN_SYSCALL_WRAPPER(sys_alarm); |
| 1367 | GEN_SYSCALL_WRAPPER(sys_pause); |
| 1368 | GEN_SYSCALL_WRAPPER(sys_utime); |
| 1369 | GEN_SYSCALL_WRAPPER(sys_access); |
| 1370 | GEN_SYSCALL_WRAPPER(sys_kill); |
| 1371 | GEN_SYSCALL_WRAPPER(sys_rename); |
| 1372 | GEN_SYSCALL_WRAPPER(sys_mkdir); |
| 1373 | GEN_SYSCALL_WRAPPER(sys_rmdir); |
| 1374 | GEN_SYSCALL_WRAPPER(sys_dup); |
| 1375 | GEN_SYSCALL_WRAPPER(sys_times); |
| 1376 | GEN_SYSCALL_WRAPPER(sys_fcntl); // POSIX (but complicated) |
| 1377 | GEN_SYSCALL_WRAPPER(sys_setpgid); |
| 1378 | GEN_SYSCALL_WRAPPER(sys_umask); |
| 1379 | GEN_SYSCALL_WRAPPER(sys_dup2); |
| 1380 | GEN_SYSCALL_WRAPPER(sys_getppid); |
| 1381 | GEN_SYSCALL_WRAPPER(sys_getpgrp); |
| 1382 | GEN_SYSCALL_WRAPPER(sys_setsid); |
| 1383 | GEN_SYSCALL_WRAPPER(sys_munmap); |
| 1384 | GEN_SYSCALL_WRAPPER(sys_truncate); |
| 1385 | GEN_SYSCALL_WRAPPER(sys_ftruncate); |
| 1386 | GEN_SYSCALL_WRAPPER(sys_fchmod); |
| 1387 | GEN_SYSCALL_WRAPPER(sys_msync); |
| 1388 | GEN_SYSCALL_WRAPPER(sys_readv); |
| 1389 | GEN_SYSCALL_WRAPPER(sys_writev); |
| 1390 | GEN_SYSCALL_WRAPPER(sys_getsid); |
| 1391 | GEN_SYSCALL_WRAPPER(sys_fdatasync); |
| 1392 | GEN_SYSCALL_WRAPPER(sys_mlock); |
| 1393 | GEN_SYSCALL_WRAPPER(sys_munlock); |
| 1394 | GEN_SYSCALL_WRAPPER(sys_mlockall); |
| 1395 | GEN_SYSCALL_WRAPPER(sys_munlockall); |
| 1396 | GEN_SYSCALL_WRAPPER(sys_sched_setparam); |
| 1397 | GEN_SYSCALL_WRAPPER(sys_sched_getparam); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1398 | GEN_SYSCALL_WRAPPER(sys_sched_rr_get_interval); |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1399 | GEN_SYSCALL_WRAPPER(sys_sched_setscheduler); |
| 1400 | GEN_SYSCALL_WRAPPER(sys_sched_getscheduler); |
| 1401 | GEN_SYSCALL_WRAPPER(sys_sched_yield); |
| 1402 | GEN_SYSCALL_WRAPPER(sys_sched_get_priority_max); |
| 1403 | GEN_SYSCALL_WRAPPER(sys_sched_get_priority_min); |
| 1404 | GEN_SYSCALL_WRAPPER(sys_nanosleep); |
| 1405 | GEN_SYSCALL_WRAPPER(sys_mremap); // POSIX, but Linux arg order may be odd |
| 1406 | GEN_SYSCALL_WRAPPER(sys_getuid); |
| 1407 | GEN_SYSCALL_WRAPPER(sys_getgid); |
| 1408 | GEN_SYSCALL_WRAPPER(sys_geteuid); |
| 1409 | GEN_SYSCALL_WRAPPER(sys_getegid); |
nethercote | 3d5e910 | 2004-11-17 18:22:38 +0000 | [diff] [blame] | 1410 | GEN_SYSCALL_WRAPPER(sys_getpgid); |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1411 | GEN_SYSCALL_WRAPPER(sys_fsync); |
| 1412 | GEN_SYSCALL_WRAPPER(sys_wait4); |
| 1413 | GEN_SYSCALL_WRAPPER(sys_mprotect); |
| 1414 | GEN_SYSCALL_WRAPPER(sys_sigprocmask); |
| 1415 | GEN_SYSCALL_WRAPPER(sys_timer_create); // Linux: varies across archs? |
| 1416 | GEN_SYSCALL_WRAPPER(sys_timer_settime); |
| 1417 | GEN_SYSCALL_WRAPPER(sys_timer_gettime); |
| 1418 | GEN_SYSCALL_WRAPPER(sys_timer_getoverrun); |
| 1419 | GEN_SYSCALL_WRAPPER(sys_timer_delete); |
| 1420 | GEN_SYSCALL_WRAPPER(sys_clock_settime); |
| 1421 | GEN_SYSCALL_WRAPPER(sys_clock_gettime); |
| 1422 | GEN_SYSCALL_WRAPPER(sys_clock_getres); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1423 | GEN_SYSCALL_WRAPPER(sys_clock_nanosleep); |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1424 | GEN_SYSCALL_WRAPPER(sys_getcwd); |
nethercote | 3d5e910 | 2004-11-17 18:22:38 +0000 | [diff] [blame] | 1425 | GEN_SYSCALL_WRAPPER(sys_symlink); |
| 1426 | GEN_SYSCALL_WRAPPER(sys_getgroups); |
| 1427 | GEN_SYSCALL_WRAPPER(sys_setgroups); // SVr4, SVID, X/OPEN, 4.3BSD |
| 1428 | GEN_SYSCALL_WRAPPER(sys_chown); |
| 1429 | GEN_SYSCALL_WRAPPER(sys_setuid); |
| 1430 | GEN_SYSCALL_WRAPPER(sys_gettimeofday); |
| 1431 | GEN_SYSCALL_WRAPPER(sys_madvise); |
| 1432 | GEN_SYSCALL_WRAPPER(sys_sigpending); |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1433 | |
| 1434 | // These ones aren't POSIX, but are in some standard and look reasonably |
| 1435 | // generic, and are the same for all architectures under Linux. |
| 1436 | GEN_SYSCALL_WRAPPER(sys_nice); // SVr4, SVID EXT, AT&T, X/OPEN, BSD 4.3 |
| 1437 | GEN_SYSCALL_WRAPPER(sys_sync); // SVr4, SVID, X/OPEN, BSD 4.3 |
| 1438 | GEN_SYSCALL_WRAPPER(sys_brk); // 4.3BSD |
| 1439 | GEN_SYSCALL_WRAPPER(sys_acct); // SVR4, non-POSIX |
| 1440 | GEN_SYSCALL_WRAPPER(sys_chroot); // SVr4, SVID, 4.4BSD, X/OPEN |
nethercote | 3d5e910 | 2004-11-17 18:22:38 +0000 | [diff] [blame] | 1441 | GEN_SYSCALL_WRAPPER(sys_readlink); // X/OPEN, 4.4BSD |
| 1442 | GEN_SYSCALL_WRAPPER(sys_fchdir); // SVr4, SVID, POSIX, X/OPEN, 4.4BSD |
| 1443 | GEN_SYSCALL_WRAPPER(sys_getdents); // SVr4,SVID |
| 1444 | GEN_SYSCALL_WRAPPER(sys_select); // 4.4BSD |
| 1445 | GEN_SYSCALL_WRAPPER(sys_flock); // 4.4BSD |
| 1446 | GEN_SYSCALL_WRAPPER(sys_poll); // XPG4-UNIX |
| 1447 | GEN_SYSCALL_WRAPPER(sys_getrusage); // SVr4, 4.3BSD |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1448 | GEN_SYSCALL_WRAPPER(sys_stime); // SVr4, SVID, X/OPEN |
nethercote | 3d5e910 | 2004-11-17 18:22:38 +0000 | [diff] [blame] | 1449 | GEN_SYSCALL_WRAPPER(sys_settimeofday); // SVr4, 4.3BSD (non-POSIX) |
| 1450 | GEN_SYSCALL_WRAPPER(sys_getpriority); // SVr4, 4.4BSD |
| 1451 | GEN_SYSCALL_WRAPPER(sys_setpriority); // SVr4, 4.4BSD |
| 1452 | GEN_SYSCALL_WRAPPER(sys_setitimer); // SVr4, 4.4BSD |
| 1453 | GEN_SYSCALL_WRAPPER(sys_getitimer); // SVr4, 4.4BSD |
| 1454 | GEN_SYSCALL_WRAPPER(sys_setreuid); // 4.3BSD |
| 1455 | GEN_SYSCALL_WRAPPER(sys_setregid); // 4.3BSD |
| 1456 | GEN_SYSCALL_WRAPPER(sys_fchown); // SVr4,4.3BSD |
| 1457 | GEN_SYSCALL_WRAPPER(sys_setgid); // SVr4,SVID |
| 1458 | GEN_SYSCALL_WRAPPER(sys_utimes); // 4.3BSD |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1459 | |
| 1460 | // These ones may be Linux specific... not sure. They use 16-bit gid_t and |
| 1461 | // uid_t types. The similarly named (minus the "16" suffix) ones below use |
| 1462 | // 32-bit versions of these types. |
| 1463 | GEN_SYSCALL_WRAPPER(sys_setuid16); // ## P |
| 1464 | GEN_SYSCALL_WRAPPER(sys_getuid16); // ## P |
| 1465 | GEN_SYSCALL_WRAPPER(sys_setgid16); // ## SVr4,SVID |
| 1466 | GEN_SYSCALL_WRAPPER(sys_getgid16); // ## P |
| 1467 | GEN_SYSCALL_WRAPPER(sys_geteuid16); // ## P |
| 1468 | GEN_SYSCALL_WRAPPER(sys_getegid16); // ## P |
| 1469 | GEN_SYSCALL_WRAPPER(sys_setreuid16); // ## BSD4.3 |
| 1470 | GEN_SYSCALL_WRAPPER(sys_setregid16); // ## BSD4.3 |
| 1471 | GEN_SYSCALL_WRAPPER(sys_getgroups16); // ## P |
| 1472 | GEN_SYSCALL_WRAPPER(sys_setgroups16); // ## SVr4, SVID, X/OPEN, 4.3BSD |
| 1473 | GEN_SYSCALL_WRAPPER(sys_fchown16); // ## SVr4,BSD4.3 |
| 1474 | GEN_SYSCALL_WRAPPER(sys_chown16); // ## P |
| 1475 | |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1476 | // Linux's funny many-in-one socketcall is certainly not generic, but I |
| 1477 | // didn't want to move it until necessary because it's big and has a lot of |
| 1478 | // associated junk. |
| 1479 | GEN_SYSCALL_WRAPPER(sys_socketcall); |
| 1480 | |
nethercote | 3d5e910 | 2004-11-17 18:22:38 +0000 | [diff] [blame] | 1481 | // Some archs on Linux do not match the generic wrapper for sys_pipe(). |
| 1482 | GEN_SYSCALL_WRAPPER(sys_pipe); |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1483 | |
nethercote | 3d5e910 | 2004-11-17 18:22:38 +0000 | [diff] [blame] | 1484 | // May not be generic for every architecture under Linux. |
| 1485 | GEN_SYSCALL_WRAPPER(sys_sigaction); // (x86) P |
| 1486 | |
| 1487 | // Funny names, not sure... |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1488 | GEN_SYSCALL_WRAPPER(sys_newstat); // * P |
| 1489 | GEN_SYSCALL_WRAPPER(sys_newlstat); // * |
| 1490 | GEN_SYSCALL_WRAPPER(sys_newfstat); // * P (SVr4,BSD4.3) |
| 1491 | |
nethercote | 3d5e910 | 2004-11-17 18:22:38 +0000 | [diff] [blame] | 1492 | // For the remainder, not really sure yet |
| 1493 | GEN_SYSCALL_WRAPPER(old_mmap); // x86, weird arg passing |
| 1494 | GEN_SYSCALL_WRAPPER(sys_ptrace); // (x86?) (almost-P) |
| 1495 | GEN_SYSCALL_WRAPPER(sys_sigsuspend); // POSIX, but L (proto varies across archs) |
| 1496 | GEN_SYSCALL_WRAPPER(sys_setrlimit); // SVr4, 4.3BSD |
| 1497 | GEN_SYSCALL_WRAPPER(sys_ioctl); // x86? (various) |
| 1498 | GEN_SYSCALL_WRAPPER(sys_old_getrlimit); // SVr4, 4.3BSD L? |
| 1499 | GEN_SYSCALL_WRAPPER(sys_statfs); // * L? |
| 1500 | GEN_SYSCALL_WRAPPER(sys_fstatfs); // * L? |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1501 | GEN_SYSCALL_WRAPPER(sys_iopl); // (x86/amd64) L |
| 1502 | GEN_SYSCALL_WRAPPER(sys_ipc); // (x86) L |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1503 | GEN_SYSCALL_WRAPPER(sys_newuname); // * P |
| 1504 | GEN_SYSCALL_WRAPPER(sys_init_module); // * L? |
| 1505 | GEN_SYSCALL_WRAPPER(sys_quotactl); // * (?) |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1506 | GEN_SYSCALL_WRAPPER(sys_rt_sigaction); // (x86) () |
| 1507 | GEN_SYSCALL_WRAPPER(sys_rt_sigprocmask); // * ? |
| 1508 | GEN_SYSCALL_WRAPPER(sys_rt_sigpending); // * ? |
| 1509 | GEN_SYSCALL_WRAPPER(sys_rt_sigtimedwait); // * ? |
| 1510 | GEN_SYSCALL_WRAPPER(sys_rt_sigqueueinfo); // * ? |
| 1511 | GEN_SYSCALL_WRAPPER(sys_rt_sigsuspend); // () () |
| 1512 | GEN_SYSCALL_WRAPPER(sys_pread64); // * (Unix98?) |
| 1513 | GEN_SYSCALL_WRAPPER(sys_pwrite64); // * (Unix98?) |
| 1514 | GEN_SYSCALL_WRAPPER(sys_capget); // * L? |
| 1515 | GEN_SYSCALL_WRAPPER(sys_capset); // * L? |
| 1516 | GEN_SYSCALL_WRAPPER(sys_sigaltstack); // (x86) (XPG4-UNIX) |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1517 | GEN_SYSCALL_WRAPPER(sys_getpmsg); // (?) (?) |
| 1518 | GEN_SYSCALL_WRAPPER(sys_putpmsg); // (?) (?) |
| 1519 | GEN_SYSCALL_WRAPPER(sys_getrlimit); // * (?) |
| 1520 | GEN_SYSCALL_WRAPPER(sys_mmap2); // (x86?) P? |
| 1521 | GEN_SYSCALL_WRAPPER(sys_truncate64); // %% (P?) |
| 1522 | GEN_SYSCALL_WRAPPER(sys_ftruncate64); // %% (P?) |
| 1523 | GEN_SYSCALL_WRAPPER(sys_stat64); // %% (?) |
| 1524 | GEN_SYSCALL_WRAPPER(sys_lstat64); // %% (?) |
| 1525 | GEN_SYSCALL_WRAPPER(sys_fstat64); // %% (?) |
| 1526 | GEN_SYSCALL_WRAPPER(sys_lchown); // * (L?) |
nethercote | 3d5e910 | 2004-11-17 18:22:38 +0000 | [diff] [blame] | 1527 | GEN_SYSCALL_WRAPPER(sys_mincore); // * L? |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1528 | GEN_SYSCALL_WRAPPER(sys_getdents64); // * (SVr4,SVID?) |
| 1529 | GEN_SYSCALL_WRAPPER(sys_fcntl64); // * P? |
| 1530 | GEN_SYSCALL_WRAPPER(sys_setxattr); // * L? |
| 1531 | GEN_SYSCALL_WRAPPER(sys_lsetxattr); // * L? |
| 1532 | GEN_SYSCALL_WRAPPER(sys_fsetxattr); // * L? |
| 1533 | GEN_SYSCALL_WRAPPER(sys_getxattr); // * L? |
| 1534 | GEN_SYSCALL_WRAPPER(sys_lgetxattr); // * L? |
| 1535 | GEN_SYSCALL_WRAPPER(sys_fgetxattr); // * L? |
| 1536 | GEN_SYSCALL_WRAPPER(sys_listxattr); // * L? |
| 1537 | GEN_SYSCALL_WRAPPER(sys_llistxattr); // * L? |
| 1538 | GEN_SYSCALL_WRAPPER(sys_flistxattr); // * L? |
| 1539 | GEN_SYSCALL_WRAPPER(sys_removexattr); // * L? |
| 1540 | GEN_SYSCALL_WRAPPER(sys_lremovexattr); // * L? |
| 1541 | GEN_SYSCALL_WRAPPER(sys_fremovexattr); // * L? |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1542 | GEN_SYSCALL_WRAPPER(sys_sched_setaffinity); // * L? |
| 1543 | GEN_SYSCALL_WRAPPER(sys_sched_getaffinity); // * L? |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1544 | GEN_SYSCALL_WRAPPER(sys_lookup_dcookie); // (*/32/64) L |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1545 | GEN_SYSCALL_WRAPPER(sys_set_tid_address); // * ? |
| 1546 | GEN_SYSCALL_WRAPPER(sys_statfs64); // * (?) |
| 1547 | GEN_SYSCALL_WRAPPER(sys_fstatfs64); // * (?) |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1548 | GEN_SYSCALL_WRAPPER(sys_mq_open); // * P? |
| 1549 | GEN_SYSCALL_WRAPPER(sys_mq_unlink); // * P? |
| 1550 | GEN_SYSCALL_WRAPPER(sys_mq_timedsend); // * P? |
| 1551 | GEN_SYSCALL_WRAPPER(sys_mq_timedreceive); // * P? |
| 1552 | GEN_SYSCALL_WRAPPER(sys_mq_notify); // * P? |
| 1553 | GEN_SYSCALL_WRAPPER(sys_mq_getsetattr); // * P? |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1554 | GEN_SYSCALL_WRAPPER(sys_tkill); // * L |
| 1555 | GEN_SYSCALL_WRAPPER(sys_tgkill); // * L |
| 1556 | GEN_SYSCALL_WRAPPER(sys_gettid); // * L? |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1557 | |
| 1558 | #undef GEN_SYSCALL_WRAPPER |
| 1559 | |
| 1560 | // Macros used in syscall wrappers |
sewardj | 8b635a4 | 2004-11-22 19:01:47 +0000 | [diff] [blame] | 1561 | /* PRRAn == "pre-register-read-argument" |
| 1562 | PRRSN == "pre-register-read-syscall" |
| 1563 | */ |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1564 | |
| 1565 | #define PRRSN \ |
njn | 26f0251 | 2004-11-22 18:33:15 +0000 | [diff] [blame] | 1566 | TL_(pre_reg_read)(Vg_CoreSysCall, tid, "(syscallno)", \ |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 1567 | O_SYSCALL_NUM, sizeof(UWord)); |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1568 | #define PRRAn(n,s,t,a) \ |
njn | 26f0251 | 2004-11-22 18:33:15 +0000 | [diff] [blame] | 1569 | TL_(pre_reg_read)(Vg_CoreSysCall, tid, s"("#a")", \ |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 1570 | O_SYSCALL_ARG##n, sizeof(t)); |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1571 | #define PRE_REG_READ0(tr, s) \ |
| 1572 | if (VG_(defined_pre_reg_read)()) { \ |
| 1573 | PRRSN; \ |
| 1574 | } |
| 1575 | #define PRE_REG_READ1(tr, s, t1, a1) \ |
| 1576 | if (VG_(defined_pre_reg_read)()) { \ |
| 1577 | PRRSN; \ |
| 1578 | PRRAn(1,s,t1,a1); \ |
| 1579 | } |
| 1580 | #define PRE_REG_READ2(tr, s, t1, a1, t2, a2) \ |
| 1581 | if (VG_(defined_pre_reg_read)()) { \ |
| 1582 | PRRSN; \ |
| 1583 | PRRAn(1,s,t1,a1); PRRAn(2,s,t2,a2); \ |
| 1584 | } |
| 1585 | #define PRE_REG_READ3(tr, s, t1, a1, t2, a2, t3, a3) \ |
| 1586 | if (VG_(defined_pre_reg_read)()) { \ |
| 1587 | PRRSN; \ |
| 1588 | PRRAn(1,s,t1,a1); PRRAn(2,s,t2,a2); PRRAn(3,s,t3,a3); \ |
| 1589 | } |
| 1590 | #define PRE_REG_READ4(tr, s, t1, a1, t2, a2, t3, a3, t4, a4) \ |
| 1591 | if (VG_(defined_pre_reg_read)()) { \ |
| 1592 | PRRSN; \ |
| 1593 | PRRAn(1,s,t1,a1); PRRAn(2,s,t2,a2); PRRAn(3,s,t3,a3); \ |
| 1594 | PRRAn(4,s,t4,a4); \ |
| 1595 | } |
| 1596 | #define PRE_REG_READ5(tr, s, t1, a1, t2, a2, t3, a3, t4, a4, t5, a5) \ |
| 1597 | if (VG_(defined_pre_reg_read)()) { \ |
| 1598 | PRRSN; \ |
| 1599 | PRRAn(1,s,t1,a1); PRRAn(2,s,t2,a2); PRRAn(3,s,t3,a3); \ |
| 1600 | PRRAn(4,s,t4,a4); PRRAn(5,s,t5,a5); \ |
| 1601 | } |
| 1602 | #define PRE_REG_READ6(tr, s, t1, a1, t2, a2, t3, a3, t4, a4, t5, a5, t6, a6) \ |
| 1603 | if (VG_(defined_pre_reg_read)()) { \ |
| 1604 | PRRSN; \ |
| 1605 | PRRAn(1,s,t1,a1); PRRAn(2,s,t2,a2); PRRAn(3,s,t3,a3); \ |
| 1606 | PRRAn(4,s,t4,a4); PRRAn(5,s,t5,a5); PRRAn(6,s,t6,a6); \ |
| 1607 | } |
| 1608 | |
| 1609 | #define PRE_MEM_READ(zzname, zzaddr, zzlen) \ |
| 1610 | VG_TRACK( pre_mem_read, Vg_CoreSysCall, tid, zzname, zzaddr, zzlen) |
| 1611 | |
| 1612 | #define PRE_MEM_RASCIIZ(zzname, zzaddr) \ |
| 1613 | VG_TRACK( pre_mem_read_asciiz, Vg_CoreSysCall, tid, zzname, zzaddr) |
| 1614 | |
| 1615 | #define PRE_MEM_WRITE(zzname, zzaddr, zzlen) \ |
| 1616 | VG_TRACK( pre_mem_write, Vg_CoreSysCall, tid, zzname, zzaddr, zzlen) |
| 1617 | |
| 1618 | #define POST_MEM_WRITE(zzaddr, zzlen) \ |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 1619 | VG_TRACK( post_mem_write, Vg_CoreSysCall, tid, zzaddr, zzlen) |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1620 | |
sewardj | 987a8eb | 2005-03-01 19:00:30 +0000 | [diff] [blame] | 1621 | |
| 1622 | ////////////////////////////////////////////////////////// |
| 1623 | |
| 1624 | #define TId ThreadId |
| 1625 | #define UW UWord |
| 1626 | |
| 1627 | extern void VG_(generic_PRE_sys_socketpair) ( TId, UW, UW, UW, UW ); |
| 1628 | extern UWord VG_(generic_POST_sys_socketpair) ( TId, UW, UW, UW, UW, UW ); |
| 1629 | extern UWord VG_(generic_POST_sys_socket) ( TId, UW ); |
| 1630 | extern void VG_(generic_PRE_sys_bind) ( TId, UW, UW, UW ); |
| 1631 | extern void VG_(generic_PRE_sys_accept) ( TId, UW, UW, UW ); |
| 1632 | extern UWord VG_(generic_POST_sys_accept) ( TId, UW, UW, UW, UW ); |
| 1633 | extern void VG_(generic_PRE_sys_sendto) ( TId, UW, UW, UW, UW, UW, UW ); |
| 1634 | extern void VG_(generic_PRE_sys_send) ( TId, UW, UW, UW ); |
| 1635 | extern void VG_(generic_PRE_sys_recvfrom) ( TId, UW, UW, UW, UW, UW, UW ); |
| 1636 | extern void VG_(generic_POST_sys_recvfrom) ( TId, UW, UW, UW, UW, UW, UW, UW ); |
| 1637 | extern void VG_(generic_PRE_sys_recv) ( TId, UW, UW, UW ); |
| 1638 | extern void VG_(generic_POST_sys_recv) ( TId, UW, UW, UW, UW ); |
| 1639 | extern void VG_(generic_PRE_sys_connect) ( TId, UW, UW, UW ); |
| 1640 | extern void VG_(generic_PRE_sys_setsockopt) ( TId, UW, UW, UW, UW, UW ); |
| 1641 | extern void VG_(generic_PRE_sys_getsockopt) ( TId, UW, UW, UW, UW, UW ); |
| 1642 | extern void VG_(generic_POST_sys_getsockopt) ( TId, UW, UW, UW, UW, UW, UW ); |
| 1643 | extern void VG_(generic_PRE_sys_getsockname) ( TId, UW, UW, UW ); |
| 1644 | extern void VG_(generic_POST_sys_getsockname) ( TId, UW, UW, UW, UW ); |
| 1645 | extern void VG_(generic_PRE_sys_getpeername) ( TId, UW, UW, UW ); |
| 1646 | extern void VG_(generic_POST_sys_getpeername) ( TId, UW, UW, UW, UW ); |
| 1647 | extern void VG_(generic_PRE_sys_sendmsg) ( TId, UW, UW ); |
| 1648 | extern void VG_(generic_PRE_sys_recvmsg) ( TId, UW, UW ); |
| 1649 | extern void VG_(generic_POST_sys_recvmsg) ( TId, UW, UW, UW ); |
| 1650 | |
| 1651 | #undef TID |
| 1652 | #undef UW |
| 1653 | |
| 1654 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1655 | /* --------------------------------------------------------------------- |
| 1656 | Exports of vg_transtab.c |
| 1657 | ------------------------------------------------------------------ */ |
| 1658 | |
sewardj | fa8ec11 | 2005-01-19 11:55:34 +0000 | [diff] [blame] | 1659 | /* The fast-cache for tt-lookup, and for finding counters. */ |
| 1660 | extern ULong* VG_(tt_fast) [VG_TT_FAST_SIZE]; |
| 1661 | extern UInt* VG_(tt_fastN)[VG_TT_FAST_SIZE]; |
njn25 | e49d8e7 | 2002-09-23 09:36:25 +0000 | [diff] [blame] | 1662 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1663 | |
nethercote | 92e7b7f | 2004-08-07 17:52:25 +0000 | [diff] [blame] | 1664 | extern void VG_(init_tt_tc) ( void ); |
sewardj | 6c3769f | 2002-11-29 01:02:45 +0000 | [diff] [blame] | 1665 | |
sewardj | fa8ec11 | 2005-01-19 11:55:34 +0000 | [diff] [blame] | 1666 | extern |
| 1667 | void VG_(add_to_trans_tab)( VexGuestExtents* vge, |
| 1668 | Addr64 entry, |
| 1669 | AddrH code, |
| 1670 | UInt code_len ); |
| 1671 | |
| 1672 | extern Bool VG_(search_transtab) ( /*OUT*/AddrH* result, |
| 1673 | Addr64 guest_addr, |
| 1674 | Bool upd_cache ); |
| 1675 | |
| 1676 | extern void VG_(discard_translations) ( Addr64 start, UInt range ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1677 | |
sewardj | 4ccf707 | 2004-11-28 16:58:05 +0000 | [diff] [blame] | 1678 | extern void VG_(sanity_check_tt_tc) ( Char* caller ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1679 | |
nethercote | 92e7b7f | 2004-08-07 17:52:25 +0000 | [diff] [blame] | 1680 | extern void VG_(print_tt_tc_stats) ( void ); |
| 1681 | |
sewardj | fa8ec11 | 2005-01-19 11:55:34 +0000 | [diff] [blame] | 1682 | extern UInt VG_(get_bbs_translated) ( void ); |
| 1683 | |
| 1684 | extern void VG_(show_BB_profile) ( void ); |
| 1685 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1686 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1687 | /* --------------------------------------------------------------------- |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1688 | Exports of vg_syscall.S |
| 1689 | ------------------------------------------------------------------ */ |
| 1690 | |
njn | ca6fef0 | 2004-11-29 16:49:18 +0000 | [diff] [blame] | 1691 | // We use a full prototype rather than "..." here to ensure that all |
| 1692 | // arguments get converted to a UWord appropriately. Not doing so can |
| 1693 | // cause problems when passing 32-bit integers on 64-bit platforms, because |
| 1694 | // the top 32-bits might not be zeroed appropriately, eg. as would happen |
| 1695 | // with the 6th arg on AMD64 which is passed on the stack. |
njn | f4aeaea | 2004-11-29 17:33:31 +0000 | [diff] [blame] | 1696 | extern Word VG_(do_syscall) ( UInt, UWord, UWord, UWord, UWord, UWord, UWord ); |
njn | ca6fef0 | 2004-11-29 16:49:18 +0000 | [diff] [blame] | 1697 | |
| 1698 | // Macros make life easier. |
| 1699 | #define vgPlain_do_syscall0(s) VG_(do_syscall)((s),0,0,0,0,0,0) |
| 1700 | #define vgPlain_do_syscall1(s,a) VG_(do_syscall)((s),(a),0,0,0,0,0) |
| 1701 | #define vgPlain_do_syscall2(s,a,b) VG_(do_syscall)((s),(a),(b),0,0,0,0) |
| 1702 | #define vgPlain_do_syscall3(s,a,b,c) VG_(do_syscall)((s),(a),(b),(c),0,0,0) |
| 1703 | #define vgPlain_do_syscall4(s,a,b,c,d) VG_(do_syscall)((s),(a),(b),(c),(d),0,0) |
| 1704 | #define vgPlain_do_syscall5(s,a,b,c,d,e) VG_(do_syscall)((s),(a),(b),(c),(d),(e),0) |
| 1705 | #define vgPlain_do_syscall6(s,a,b,c,d,e,f) VG_(do_syscall)((s),(a),(b),(c),(d),(e),(f)) |
| 1706 | |
jsgf | 855d93d | 2003-10-13 22:26:55 +0000 | [diff] [blame] | 1707 | extern Int VG_(clone) ( Int (*fn)(void *), void *stack, Int flags, void *arg, |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1708 | Int *child_tid, Int *parent_tid, vki_modify_ldt_t * ); |
fitzhardinge | 4f10ada | 2004-06-03 10:00:42 +0000 | [diff] [blame] | 1709 | extern void VG_(sigreturn)(void); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1710 | |
| 1711 | /* --------------------------------------------------------------------- |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1712 | Exports of vg_dispatch.S |
| 1713 | ------------------------------------------------------------------ */ |
| 1714 | |
njn | d6f157d | 2004-11-30 17:27:21 +0000 | [diff] [blame] | 1715 | /* This subroutine is called from the C world. It is passed |
| 1716 | a pointer to the VEX guest state (arch.vex). It must run code |
| 1717 | from the instruction pointer in the guest state, and exit when |
| 1718 | VG_(dispatch_ctr) reaches zero, or we need to defer to the scheduler. |
| 1719 | The return value must indicate why it returned back to the scheduler. |
| 1720 | It can also be exited if the executing code throws a non-resumable |
| 1721 | signal, for example SIGSEGV, in which case control longjmp()s back past |
| 1722 | here. |
| 1723 | |
| 1724 | This code simply handles the common case fast -- when the translation |
| 1725 | address is found in the translation cache. For anything else, the |
| 1726 | scheduler does the work. |
| 1727 | */ |
sewardj | 2a99cf6 | 2004-11-24 10:44:19 +0000 | [diff] [blame] | 1728 | extern UInt VG_(run_innerloop) ( void* guest_state ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1729 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1730 | /* --------------------------------------------------------------------- |
| 1731 | Exports of vg_helpers.S |
| 1732 | ------------------------------------------------------------------ */ |
| 1733 | |
fitzhardinge | 9236079 | 2003-12-24 10:11:11 +0000 | [diff] [blame] | 1734 | /* Information about trampoline code (for signal return and syscalls) */ |
| 1735 | extern const Char VG_(trampoline_code_start); |
| 1736 | extern const Int VG_(trampoline_code_length); |
| 1737 | extern const Int VG_(tramp_sigreturn_offset); |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1738 | extern const Int VG_(tramp_rt_sigreturn_offset); |
fitzhardinge | 9236079 | 2003-12-24 10:11:11 +0000 | [diff] [blame] | 1739 | extern const Int VG_(tramp_syscall_offset); |
sewardj | 20917d8 | 2002-05-28 01:36:45 +0000 | [diff] [blame] | 1740 | |
njn | 4f9c934 | 2002-04-29 16:03:24 +0000 | [diff] [blame] | 1741 | /* --------------------------------------------------------------------- |
nethercote | 996901a | 2004-08-03 13:29:09 +0000 | [diff] [blame] | 1742 | Things relating to the used tool |
njn | 4f9c934 | 2002-04-29 16:03:24 +0000 | [diff] [blame] | 1743 | ------------------------------------------------------------------ */ |
| 1744 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1745 | #define VG_TRACK(fn, args...) \ |
| 1746 | do { \ |
| 1747 | if (VG_(defined_##fn)()) \ |
njn | 26f0251 | 2004-11-22 18:33:15 +0000 | [diff] [blame] | 1748 | TL_(fn)(args); \ |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1749 | } while(0) |
sewardj | 18d7513 | 2002-05-16 11:06:21 +0000 | [diff] [blame] | 1750 | |
fitzhardinge | 98abfc7 | 2003-12-16 02:05:15 +0000 | [diff] [blame] | 1751 | __attribute__ ((noreturn)) |
| 1752 | extern void VG_(missing_tool_func) ( const Char* fn ); |
sewardj | 18d7513 | 2002-05-16 11:06:21 +0000 | [diff] [blame] | 1753 | |
nethercote | c06e213 | 2004-09-03 13:45:29 +0000 | [diff] [blame] | 1754 | // --------------------------------------------------------------------- |
| 1755 | // Architecture-specific things defined in eg. x86/*.c |
| 1756 | // --------------------------------------------------------------------- |
| 1757 | |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 1758 | // Returns the architecture and subarchitecture, or indicates |
| 1759 | // that this subarchitecture is unable to run Valgrind |
| 1760 | // Returns False to indicate we cannot proceed further. |
sewardj | 51ac087 | 2004-12-21 01:20:49 +0000 | [diff] [blame] | 1761 | extern Bool VGA_(getArchAndSubArch)( /*OUT*/VexArch*, |
| 1762 | /*OUT*/VexSubArch* ); |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 1763 | // Accessors for the ThreadArchState |
| 1764 | #define INSTR_PTR(regs) ((regs).vex.ARCH_INSTR_PTR) |
| 1765 | #define STACK_PTR(regs) ((regs).vex.ARCH_STACK_PTR) |
| 1766 | #define FRAME_PTR(regs) ((regs).vex.ARCH_FRAME_PTR) |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 1767 | #define CLREQ_ARGS(regs) ((regs).vex.ARCH_CLREQ_ARGS) |
| 1768 | #define PTHREQ_RET(regs) ((regs).vex.ARCH_PTHREQ_RET) |
| 1769 | #define CLREQ_RET(regs) ((regs).vex.ARCH_CLREQ_RET) |
njn | 16de557 | 2004-11-27 14:27:21 +0000 | [diff] [blame] | 1770 | // Offsets for the Vex state |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 1771 | #define O_STACK_PTR (offsetof(VexGuestArchState, ARCH_STACK_PTR)) |
| 1772 | #define O_FRAME_PTR (offsetof(VexGuestArchState, ARCH_FRAME_PTR)) |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 1773 | #define O_CLREQ_RET (offsetof(VexGuestArchState, ARCH_CLREQ_RET)) |
| 1774 | #define O_PTHREQ_RET (offsetof(VexGuestArchState, ARCH_PTHREQ_RET)) |
| 1775 | |
| 1776 | |
sewardj | 2a99cf6 | 2004-11-24 10:44:19 +0000 | [diff] [blame] | 1777 | // Setting up the initial thread (1) state |
| 1778 | extern void |
| 1779 | VGA_(init_thread1state) ( Addr client_eip, |
| 1780 | Addr esp_at_startup, |
| 1781 | /*MOD*/ ThreadArchState* arch ); |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1782 | |
nethercote | c009ebe | 2004-09-13 11:05:11 +0000 | [diff] [blame] | 1783 | // Thread stuff |
sewardj | 2a99cf6 | 2004-11-24 10:44:19 +0000 | [diff] [blame] | 1784 | extern void VGA_(cleanup_thread) ( ThreadArchState* ); |
| 1785 | extern void VGA_(setup_child) ( ThreadArchState*, ThreadArchState* ); |
nethercote | f9b5941 | 2004-09-10 15:33:32 +0000 | [diff] [blame] | 1786 | |
nethercote | 6b9c847 | 2004-09-13 13:16:40 +0000 | [diff] [blame] | 1787 | extern void VGA_(set_arg_and_bogus_ret) ( ThreadId tid, UWord arg, Addr ret ); |
| 1788 | extern void VGA_(thread_initial_stack) ( ThreadId tid, UWord arg, Addr ret ); |
| 1789 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1790 | // OS/Platform-specific thread clear (after thread exit) |
| 1791 | extern void VGA_(os_state_clear)(ThreadState *); |
| 1792 | |
| 1793 | // OS/Platform-specific thread init (at scheduler init time) |
| 1794 | extern void VGA_(os_state_init)(ThreadState *); |
| 1795 | |
| 1796 | // Run a thread from beginning to end. Does not return if tid == VG_(master_tid). |
| 1797 | void VGA_(thread_wrapper)(ThreadId tid); |
| 1798 | |
| 1799 | // Like VGA_(thread_wrapper), but it allocates a stack before calling |
| 1800 | // to VGA_(thread_wrapper) on that stack, as if it had been set up by |
| 1801 | // clone() |
| 1802 | void VGA_(main_thread_wrapper)(ThreadId tid) __attribute__ ((__noreturn__)); |
| 1803 | |
| 1804 | // Return how many bytes of a thread's Valgrind stack are unused |
| 1805 | Int VGA_(stack_unused)(ThreadId tid); |
| 1806 | |
| 1807 | // Terminate the process. Does not return. |
| 1808 | void VGA_(terminate)(ThreadId tid, VgSchedReturnCode src) __attribute__((__noreturn__)); |
| 1809 | |
| 1810 | // wait until all other threads are dead |
| 1811 | extern void VGA_(reap_threads)(ThreadId self); |
| 1812 | |
| 1813 | // handle an arch-specific client request |
| 1814 | extern Bool VGA_(client_request)(ThreadId tid, UWord *args); |
| 1815 | |
nethercote | c009ebe | 2004-09-13 11:05:11 +0000 | [diff] [blame] | 1816 | // Symtab stuff |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 1817 | extern UInt* VGA_(reg_addr_from_tst) ( Int regno, ThreadArchState* ); |
nethercote | cd65604 | 2004-09-11 23:48:22 +0000 | [diff] [blame] | 1818 | |
nethercote | fedd810 | 2004-09-13 15:19:34 +0000 | [diff] [blame] | 1819 | // Pointercheck |
| 1820 | extern Bool VGA_(setup_pointercheck) ( void ); |
| 1821 | |
| 1822 | // For attaching the debugger |
sewardj | 2a99cf6 | 2004-11-24 10:44:19 +0000 | [diff] [blame] | 1823 | extern Int VGA_(ptrace_setregs_from_tst) ( Int pid, ThreadArchState* arch ); |
nethercote | fedd810 | 2004-09-13 15:19:34 +0000 | [diff] [blame] | 1824 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1825 | // Used by leakcheck |
| 1826 | extern void VGA_(mark_from_registers)(ThreadId tid, void (*marker)(Addr)); |
| 1827 | |
nethercote | 6eec460 | 2004-09-13 14:15:36 +0000 | [diff] [blame] | 1828 | // Signal stuff |
nethercote | 4ad7431 | 2004-10-26 09:59:49 +0000 | [diff] [blame] | 1829 | extern void VGA_(push_signal_frame) ( ThreadId tid, Addr sp_top_of_frame, |
nethercote | 73b526f | 2004-10-31 18:48:21 +0000 | [diff] [blame] | 1830 | const vki_siginfo_t *siginfo, |
nethercote | 6eec460 | 2004-09-13 14:15:36 +0000 | [diff] [blame] | 1831 | void *handler, UInt flags, |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1832 | const vki_sigset_t *mask, |
| 1833 | void *restorer ); |
nethercote | 6eec460 | 2004-09-13 14:15:36 +0000 | [diff] [blame] | 1834 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1835 | ////typedef struct _ThreadArchAux ThreadArchAux; |
nethercote | 9b3c765 | 2004-10-19 13:18:00 +0000 | [diff] [blame] | 1836 | #define MY__STRING(__str) #__str |
| 1837 | |
| 1838 | // Assertion to use in code running on the simulated CPU. |
| 1839 | #define my_assert(expr) \ |
| 1840 | ((void) ((expr) ? 0 : \ |
| 1841 | (VG_(user_assert_fail) (MY__STRING(expr), \ |
| 1842 | __FILE__, __LINE__, \ |
| 1843 | __PRETTY_FUNCTION__), 0))) |
| 1844 | |
| 1845 | extern void VG_(user_assert_fail) ( const Char* expr, const Char* file, |
| 1846 | Int line, const Char* fn ); |
| 1847 | |
| 1848 | |
nethercote | 41c75da | 2004-10-18 15:34:14 +0000 | [diff] [blame] | 1849 | // --------------------------------------------------------------------- |
| 1850 | // Platform-specific things defined in eg. x86/*.c |
| 1851 | // --------------------------------------------------------------------- |
nethercote | 775508a | 2004-09-07 22:38:23 +0000 | [diff] [blame] | 1852 | |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 1853 | // Accessors for the ThreadArchState |
| 1854 | #define SYSCALL_NUM(regs) ((regs).vex.PLATFORM_SYSCALL_NUM) |
| 1855 | #define SYSCALL_ARG1(regs) ((regs).vex.PLATFORM_SYSCALL_ARG1) |
| 1856 | #define SYSCALL_ARG2(regs) ((regs).vex.PLATFORM_SYSCALL_ARG2) |
| 1857 | #define SYSCALL_ARG3(regs) ((regs).vex.PLATFORM_SYSCALL_ARG3) |
| 1858 | #define SYSCALL_ARG4(regs) ((regs).vex.PLATFORM_SYSCALL_ARG4) |
| 1859 | #define SYSCALL_ARG5(regs) ((regs).vex.PLATFORM_SYSCALL_ARG5) |
| 1860 | #define SYSCALL_ARG6(regs) ((regs).vex.PLATFORM_SYSCALL_ARG6) |
| 1861 | #define SYSCALL_RET(regs) ((regs).vex.PLATFORM_SYSCALL_RET) |
| 1862 | |
| 1863 | // Offsets for the shadow state |
njn | fcd5636 | 2004-11-24 18:31:40 +0000 | [diff] [blame] | 1864 | #define O_SYSCALL_NUM (offsetof(VexGuestArchState, PLATFORM_SYSCALL_NUM)) |
njn | cf45fd4 | 2004-11-24 16:30:22 +0000 | [diff] [blame] | 1865 | #define O_SYSCALL_ARG1 (offsetof(VexGuestArchState, PLATFORM_SYSCALL_ARG1)) |
| 1866 | #define O_SYSCALL_ARG2 (offsetof(VexGuestArchState, PLATFORM_SYSCALL_ARG2)) |
| 1867 | #define O_SYSCALL_ARG3 (offsetof(VexGuestArchState, PLATFORM_SYSCALL_ARG3)) |
| 1868 | #define O_SYSCALL_ARG4 (offsetof(VexGuestArchState, PLATFORM_SYSCALL_ARG4)) |
| 1869 | #define O_SYSCALL_ARG5 (offsetof(VexGuestArchState, PLATFORM_SYSCALL_ARG5)) |
| 1870 | #define O_SYSCALL_ARG6 (offsetof(VexGuestArchState, PLATFORM_SYSCALL_ARG6)) |
| 1871 | #define O_SYSCALL_RET (offsetof(VexGuestArchState, PLATFORM_SYSCALL_RET)) |
| 1872 | |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1873 | struct SyscallTableEntry { |
| 1874 | UInt *flags_ptr; |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1875 | void (*before)(ThreadId tid, ThreadState *tst /*, UInt *flags*/); |
nethercote | 8ff888f | 2004-11-17 17:11:45 +0000 | [diff] [blame] | 1876 | void (*after) (ThreadId tid, ThreadState *tst); |
| 1877 | }; |
| 1878 | |
| 1879 | /* This table is the mapping from __NR_xxx syscall numbers to the PRE/POST |
| 1880 | wrappers for the relevant syscalls used in the OS kernel for that number. |
| 1881 | Note that the constant names don't always match the wrapper names in a |
| 1882 | straightforward way. For example, on x86/Linux: |
| 1883 | |
| 1884 | __NR_lchown --> sys_lchown16() |
| 1885 | __NR_lchown32 --> sys_lchown() |
| 1886 | __NR_select --> old_select() |
| 1887 | __NR__newselect --> sys_select() |
| 1888 | */ |
| 1889 | extern const struct SyscallTableEntry VGA_(syscall_table)[]; |
| 1890 | |
| 1891 | extern const UInt VGA_(syscall_table_size); |
| 1892 | |
sewardj | 2a99cf6 | 2004-11-24 10:44:19 +0000 | [diff] [blame] | 1893 | extern void VGA_(restart_syscall)(ThreadArchState* arch); |
nethercote | 24e0d44 | 2004-10-18 17:36:40 +0000 | [diff] [blame] | 1894 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1895 | /* |
| 1896 | Perform a syscall on behalf of a client thread, using a specific |
| 1897 | signal mask. On completion, the signal mask is set to restore_mask |
| 1898 | (which presumably blocks almost everything). If a signal happens |
| 1899 | during the syscall, the handler should call |
| 1900 | VGA_(interrupted_syscall)() to adjust the thread's context to do the |
| 1901 | right thing. |
njn | 7be3695 | 2004-11-24 18:14:41 +0000 | [diff] [blame] | 1902 | */ |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1903 | extern void VGA_(client_syscall)(Int syscallno, ThreadState *tst, |
| 1904 | const vki_sigset_t *syscall_mask); |
njn | 7be3695 | 2004-11-24 18:14:41 +0000 | [diff] [blame] | 1905 | |
sewardj | b5f6f51 | 2005-03-10 23:59:00 +0000 | [diff] [blame^] | 1906 | /* |
| 1907 | Fix up the thread's state because a syscall may have been |
| 1908 | interrupted with a signal. Returns True if the syscall completed |
| 1909 | (either interrupted or finished normally), or False if it was |
| 1910 | restarted (or the signal didn't actually interrupt a syscall). |
| 1911 | */ |
| 1912 | extern void VGA_(interrupted_syscall)(ThreadId tid, |
| 1913 | struct vki_ucontext *uc, |
| 1914 | Bool restart); |
| 1915 | |
| 1916 | |
| 1917 | ///* --------------------------------------------------------------------- |
| 1918 | // Thread modelling |
| 1919 | // ------------------------------------------------------------------ */ |
| 1920 | //extern void VG_(tm_thread_create) (ThreadId creator, ThreadId tid, Bool detached); |
| 1921 | //extern void VG_(tm_thread_exit) (ThreadId tid); |
| 1922 | //extern Bool VG_(tm_thread_exists) (ThreadId tid); |
| 1923 | //extern void VG_(tm_thread_detach) (ThreadId tid); |
| 1924 | //extern void VG_(tm_thread_join) (ThreadId joiner, ThreadId joinee); |
| 1925 | //extern void VG_(tm_thread_switchto)(ThreadId tid); |
| 1926 | // |
| 1927 | //extern void VG_(tm_mutex_init) (ThreadId tid, Addr mutexp); |
| 1928 | //extern void VG_(tm_mutex_destroy)(ThreadId tid, Addr mutexp); |
| 1929 | //extern void VG_(tm_mutex_trylock)(ThreadId tid, Addr mutexp); |
| 1930 | //extern void VG_(tm_mutex_giveup) (ThreadId tid, Addr mutexp); |
| 1931 | //extern void VG_(tm_mutex_acquire)(ThreadId tid, Addr mutexp); |
| 1932 | //extern void VG_(tm_mutex_tryunlock)(ThreadId tid, Addr mutexp); |
| 1933 | //extern void VG_(tm_mutex_unlock) (ThreadId tid, Addr mutexp); |
| 1934 | //extern Bool VG_(tm_mutex_exists) (Addr mutexp); |
| 1935 | // |
| 1936 | //extern UInt VG_(tm_error_update_extra) (Error *err); |
| 1937 | //extern Bool VG_(tm_error_equal) (VgRes res, Error *e1, Error *e2); |
| 1938 | //extern void VG_(tm_error_print) (Error *err); |
| 1939 | // |
| 1940 | //extern void VG_(tm_init) (); |
| 1941 | // |
| 1942 | //extern void VG_(tm_cond_init) (ThreadId tid, Addr condp); |
| 1943 | //extern void VG_(tm_cond_destroy) (ThreadId tid, Addr condp); |
| 1944 | //extern void VG_(tm_cond_wait) (ThreadId tid, Addr condp, Addr mutexp); |
| 1945 | //extern void VG_(tm_cond_wakeup) (ThreadId tid, Addr condp, Addr mutexp); |
| 1946 | //extern void VG_(tm_cond_signal) (ThreadId tid, Addr condp); |
| 1947 | // |
| 1948 | ///* ----- pthreads ----- */ |
| 1949 | //extern void VG_(pthread_init) (); |
| 1950 | //extern void VG_(pthread_startfunc_wrapper)(Addr wrapper); |
| 1951 | // |
| 1952 | //struct vg_pthread_newthread_data { |
| 1953 | // void *(*startfunc)(void *arg); |
| 1954 | // void *arg; |
| 1955 | //}; |
sewardj | 3b2736a | 2002-03-24 12:18:35 +0000 | [diff] [blame] | 1956 | |
| 1957 | /* --------------------------------------------------------------------- |
| 1958 | Finally - autoconf-generated settings |
| 1959 | ------------------------------------------------------------------ */ |
| 1960 | |
| 1961 | #include "config.h" |
| 1962 | |
nethercote | c06e213 | 2004-09-03 13:45:29 +0000 | [diff] [blame] | 1963 | #endif /* ndef __CORE_H */ |
| 1964 | |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1965 | /*--------------------------------------------------------------------*/ |
nethercote | 109d0df | 2004-09-02 08:10:13 +0000 | [diff] [blame] | 1966 | /*--- end ---*/ |
sewardj | de4a1d0 | 2002-03-22 01:27:54 +0000 | [diff] [blame] | 1967 | /*--------------------------------------------------------------------*/ |