1 /* Implementation header for mudflap runtime library. 2 Mudflap: narrow-pointer bounds-checking by tree rewriting. 3 Copyright (C) 2002, 2003, 2004, 2005, 2009 Free Software Foundation, Inc. 4 Contributed by Frank Ch. Eigler <fche (at) redhat.com> 5 and Graydon Hoare <graydon (at) redhat.com> 6 7 This file is part of GCC. 8 9 GCC is free software; you can redistribute it and/or modify it under 10 the terms of the GNU General Public License as published by the Free 11 Software Foundation; either version 3, or (at your option) any later 12 version. 13 14 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 15 WARRANTY; without even the implied warranty of MERCHANTABILITY or 16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 17 for more details. 18 19 Under Section 7 of GPL version 3, you are granted additional 20 permissions described in the GCC Runtime Library Exception, version 21 3.1, as published by the Free Software Foundation. 22 23 You should have received a copy of the GNU General Public License and 24 a copy of the GCC Runtime Library Exception along with this program; 25 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 26 <http://www.gnu.org/licenses/>. */ 27 28 /* Public libmudflap declarations -*- C -*- */ 29 30 #ifndef MF_RUNTIME_H 31 #define MF_RUNTIME_H 32 33 typedef void *__mf_ptr_t; 34 typedef unsigned int __mf_uintptr_t __attribute__ ((__mode__ (__pointer__))); 35 typedef __SIZE_TYPE__ __mf_size_t; 36 37 /* Global declarations used by instrumentation. When _MUDFLAP is 38 defined, these have been auto-declared by the compiler and we 39 should not declare them again (ideally we *would* declare them 40 again, to verify that the compiler's declarations match the 41 library's, but the C++ front end has no mechanism for allowing 42 the re-definition of a structure type). */ 43 #ifndef _MUDFLAP 44 struct __mf_cache { __mf_uintptr_t low; __mf_uintptr_t high; }; 45 extern struct __mf_cache __mf_lookup_cache []; 46 extern __mf_uintptr_t __mf_lc_mask; 47 extern unsigned char __mf_lc_shift; 48 #endif 49 50 /* Multithreading support. */ 51 #ifdef _MUDFLAPTH 52 /* extern pthread_mutex_t __mf_biglock; */ 53 #ifndef _REENTRANT 54 #define _REENTRANT 55 #endif 56 #ifndef _THREAD_SAFE 57 #define _THREAD_SAFE 58 #endif 59 #endif 60 61 /* Codes to describe the type of access to check: __mf_check arg 3 */ 62 63 #define __MF_CHECK_READ 0 64 #define __MF_CHECK_WRITE 1 65 66 67 /* Codes to describe a region of memory being registered: __mf_*register arg 3 */ 68 69 #define __MF_TYPE_NOACCESS 0 70 #define __MF_TYPE_HEAP 1 71 #define __MF_TYPE_HEAP_I 2 72 #define __MF_TYPE_STACK 3 73 #define __MF_TYPE_STATIC 4 74 #define __MF_TYPE_GUESS 5 75 76 77 /* The public mudflap API */ 78 79 #ifdef __cplusplus 80 extern "C" { 81 #endif 82 83 extern void __mf_check (void *ptr, __mf_size_t sz, int type, const char *location) 84 __attribute((nothrow)); 85 extern void __mf_register (void *ptr, __mf_size_t sz, int type, const char *name) 86 __attribute((nothrow)); 87 extern void __mf_unregister (void *ptr, __mf_size_t sz, int type) 88 __attribute((nothrow)); 89 extern unsigned __mf_watch (void *ptr, __mf_size_t sz); 90 extern unsigned __mf_unwatch (void *ptr, __mf_size_t sz); 91 extern void __mf_report (); 92 extern int __mf_set_options (const char *opts); 93 94 95 /* Redirect some standard library functions to libmudflap. These are 96 done by simple #define rather than linker wrapping, since only 97 instrumented modules are meant to be affected. */ 98 99 #ifdef _MUDFLAP 100 #pragma redefine_extname memcpy __mfwrap_memcpy 101 #pragma redefine_extname memmove __mfwrap_memmove 102 #pragma redefine_extname memset __mfwrap_memset 103 #pragma redefine_extname memcmp __mfwrap_memcmp 104 #pragma redefine_extname memchr __mfwrap_memchr 105 #pragma redefine_extname memrchr __mfwrap_memrchr 106 #pragma redefine_extname strcpy __mfwrap_strcpy 107 #pragma redefine_extname strncpy __mfwrap_strncpy 108 #pragma redefine_extname strcat __mfwrap_strcat 109 #pragma redefine_extname strncat __mfwrap_strncat 110 #pragma redefine_extname strcmp __mfwrap_strcmp 111 #pragma redefine_extname strcasecmp __mfwrap_strcasecmp 112 #pragma redefine_extname strncmp __mfwrap_strncmp 113 #pragma redefine_extname strncasecmp __mfwrap_strncasecmp 114 #pragma redefine_extname strdup __mfwrap_strdup 115 #pragma redefine_extname strndup __mfwrap_strndup 116 #pragma redefine_extname strchr __mfwrap_strchr 117 #pragma redefine_extname strrchr __mfwrap_strrchr 118 #pragma redefine_extname strstr __mfwrap_strstr 119 #pragma redefine_extname memmem __mfwrap_memmem 120 #pragma redefine_extname strlen __mfwrap_strlen 121 #pragma redefine_extname strnlen __mfwrap_strnlen 122 #pragma redefine_extname bzero __mfwrap_bzero 123 #pragma redefine_extname bcopy __mfwrap_bcopy 124 #pragma redefine_extname bcmp __mfwrap_bcmp 125 #pragma redefine_extname index __mfwrap_index 126 #pragma redefine_extname rindex __mfwrap_rindex 127 #pragma redefine_extname asctime __mfwrap_asctime 128 #pragma redefine_extname ctime __mfwrap_ctime 129 #pragma redefine_extname gmtime __mfwrap_gmtime 130 #pragma redefine_extname localtime __mfwrap_localtime 131 #pragma redefine_extname time __mfwrap_time 132 #pragma redefine_extname strerror __mfwrap_strerror 133 #pragma redefine_extname fopen __mfwrap_fopen 134 #pragma redefine_extname fdopen __mfwrap_fdopen 135 #pragma redefine_extname freopen __mfwrap_freopen 136 #pragma redefine_extname fclose __mfwrap_fclose 137 #pragma redefine_extname fread __mfwrap_fread 138 #pragma redefine_extname fwrite __mfwrap_fwrite 139 #pragma redefine_extname fgetc __mfwrap_fgetc 140 #pragma redefine_extname fgets __mfwrap_fgets 141 #pragma redefine_extname getc __mfwrap_getc 142 #pragma redefine_extname gets __mfwrap_gets 143 #pragma redefine_extname ungetc __mfwrap_ungetc 144 #pragma redefine_extname fputc __mfwrap_fputc 145 #pragma redefine_extname fputs __mfwrap_fputs 146 #pragma redefine_extname putc __mfwrap_putc 147 #pragma redefine_extname puts __mfwrap_puts 148 #pragma redefine_extname clearerr __mfwrap_clearerr 149 #pragma redefine_extname feof __mfwrap_feof 150 #pragma redefine_extname ferror __mfwrap_ferror 151 #pragma redefine_extname fileno __mfwrap_fileno 152 #pragma redefine_extname printf __mfwrap_printf 153 #pragma redefine_extname fprintf __mfwrap_fprintf 154 #pragma redefine_extname sprintf __mfwrap_sprintf 155 #pragma redefine_extname snprintf __mfwrap_snprintf 156 #pragma redefine_extname vprintf __mfwrap_vprintf 157 #pragma redefine_extname vfprintf __mfwrap_vfprintf 158 #pragma redefine_extname vsprintf __mfwrap_vsprintf 159 #pragma redefine_extname vsnprintf __mfwrap_vsnprintf 160 #pragma redefine_extname access __mfwrap_access 161 #pragma redefine_extname remove __mfwrap_remove 162 #pragma redefine_extname fflush __mfwrap_fflush 163 #pragma redefine_extname fseek __mfwrap_fseek 164 #pragma redefine_extname ftell __mfwrap_ftell 165 #pragma redefine_extname rewind __mfwrap_rewind 166 #pragma redefine_extname fgetpos __mfwrap_fgetpos 167 #pragma redefine_extname fsetpos __mfwrap_fsetpos 168 #pragma redefine_extname stat __mfwrap_stat 169 #pragma redefine_extname fstat __mfwrap_fstat 170 #pragma redefine_extname lstat __mfwrap_lstat 171 #pragma redefine_extname mkfifo __mfwrap_mkfifo 172 #pragma redefine_extname setvbuf __mfwrap_setvbuf 173 #pragma redefine_extname setbuf __mfwrap_setbuf 174 #pragma redefine_extname setbuffer __mfwrap_setbuffer 175 #pragma redefine_extname setlinebuf __mfwrap_setlinebuf 176 #pragma redefine_extname opendir __mfwrap_opendir 177 #pragma redefine_extname closedir __mfwrap_closedir 178 #pragma redefine_extname readdir __mfwrap_readdir 179 #pragma redefine_extname recv __mfwrap_recv 180 #pragma redefine_extname recvfrom __mfwrap_recvfrom 181 #pragma redefine_extname recvmsg __mfwrap_recvmsg 182 #pragma redefine_extname send __mfwrap_send 183 #pragma redefine_extname sendto __mfwrap_sendto 184 #pragma redefine_extname sendmsg __mfwrap_sendmsg 185 #pragma redefine_extname setsockopt __mfwrap_setsockopt 186 #pragma redefine_extname getsockopt __mfwrap_getsockopt 187 #pragma redefine_extname accept __mfwrap_accept 188 #pragma redefine_extname bind __mfwrap_bind 189 #pragma redefine_extname connect __mfwrap_connect 190 #pragma redefine_extname gethostname __mfwrap_gethostname 191 #pragma redefine_extname sethostname __mfwrap_sethostname 192 #pragma redefine_extname gethostbyname __mfwrap_gethostbyname 193 #pragma redefine_extname wait __mfwrap_wait 194 #pragma redefine_extname waitpid __mfwrap_waitpid 195 #pragma redefine_extname popen __mfwrap_popen 196 #pragma redefine_extname pclose __mfwrap_pclose 197 #pragma redefine_extname execve __mfwrap_execve 198 #pragma redefine_extname execv __mfwrap_execv 199 #pragma redefine_extname execvp __mfwrap_execvp 200 #pragma redefine_extname system __mfwrap_system 201 #pragma redefine_extname dlopen __mfwrap_dlopen 202 #pragma redefine_extname dlerror __mfwrap_dlerror 203 #pragma redefine_extname dlsym __mfwrap_dlsym 204 #pragma redefine_extname dlclose __mfwrap_dlclose 205 #pragma redefine_extname fopen64 __mfwrap_fopen64 206 #pragma redefine_extname freopen64 __mfwrap_freopen64 207 #pragma redefine_extname stat64 __mfwrap_stat64 208 #pragma redefine_extname fseeko64 __mfwrap_fseeko64 209 #pragma redefine_extname ftello64 __mfwrap_ftello64 210 #pragma redefine_extname semop __mfwrap_semop 211 #pragma redefine_extname semctl __mfwrap_semctl 212 #pragma redefine_extname shmctl __mfwrap_shmctl 213 #pragma redefine_extname shmat __mfwrap_shmat 214 #pragma redefine_extname shmdt __mfwrap_shmdt 215 #pragma redefine_extname __ctype_b_loc __mfwrap___ctype_b_loc 216 #pragma redefine_extname __ctype_toupper_loc __mfwrap___ctype_toupper_loc 217 #pragma redefine_extname __ctype_tolower_loc __mfwrap___ctype_tolower_loc 218 #pragma redefine_extname getlogin __mfwrap_getlogin 219 #pragma redefine_extname cuserid __mfwrap_cuserid 220 #pragma redefine_extname getpwnam __mfwrap_getpwnam 221 #pragma redefine_extname getpwuid __mfwrap_getpwuid 222 #pragma redefine_extname getgrnam __mfwrap_getgrnam 223 #pragma redefine_extname getgrgid __mfwrap_getgrgid 224 #pragma redefine_extname getservent __mfwrap_getservent 225 #pragma redefine_extname getservbyname __mfwrap_getservbyname 226 #pragma redefine_extname getservbyport __mfwrap_getservbyport 227 #pragma redefine_extname gai_strerror __mfwrap_gai_strerror 228 #pragma redefine_extname getmntent __mfwrap_getmntent 229 #pragma redefine_extname inet_ntoa __mfwrap_inet_ntoa 230 #pragma redefine_extname getprotoent __mfwrap_getprotoent 231 #pragma redefine_extname getprotobyname __mfwrap_getprotobyname 232 #pragma redefine_extname getprotobynumber __mfwrap_getprotobynumber 233 234 /* Disable glibc macros. */ 235 #define __NO_STRING_INLINES 236 237 #endif /* _MUDFLAP */ 238 239 240 #ifdef __cplusplus 241 } 242 #endif 243 244 #endif /* MF_RUNTIME_H */ 245
