libmudflap/mf-runtime.h

   1 /* Implementation header for mudflap runtime library.
   2    Mudflap: narrow-pointer bounds-checking by tree rewriting.
   3    Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
   4    Contributed by Frank Ch. Eigler <fche@redhat.com>
   5    and Graydon Hoare <graydon@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 2, or (at your option) any later
  12 version.
  13
  14 In addition to the permissions in the GNU General Public License, the
  15 Free Software Foundation gives you unlimited permission to link the
  16 compiled version of this file into combinations with other programs,
  17 and to distribute those combinations without any restriction coming
  18 from the use of this file.  (The General Public License restrictions
  19 do apply in other respects; for example, they cover modification of
  20 the file, and distribution when not linked into a combine
  21 executable.)
  22
  23 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  24 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  25 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  26 for more details.
  27
  28 You should have received a copy of the GNU General Public License
  29 along with GCC; see the file COPYING.  If not, write to the Free
  30 Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
  31 02110-1301, USA.  */
  32
  33 /* Public libmudflap declarations -*- C -*- */
  34
  35 #ifndef MF_RUNTIME_H
  36 #define MF_RUNTIME_H
  37
  38 typedef void *__mf_ptr_t;
  39 typedef unsigned int __mf_uintptr_t __attribute__ ((__mode__ (__pointer__)));
  40 typedef __SIZE_TYPE__ __mf_size_t;
  41
  42 /* Global declarations used by instrumentation.  When _MUDFLAP is
  43    defined, these have been auto-declared by the compiler and we
  44    should not declare them again (ideally we *would* declare them
  45    again, to verify that the compiler's declarations match the
  46    library's, but the C++ front end has no mechanism for allowing
  47    the re-definition of a structure type).  */
  48 #ifndef _MUDFLAP
  49 struct __mf_cache { __mf_uintptr_t low; __mf_uintptr_t high; };
  50 extern struct __mf_cache __mf_lookup_cache [];
  51 extern __mf_uintptr_t __mf_lc_mask;
  52 extern unsigned char __mf_lc_shift;
  53 #endif
  54
  55 /* Multithreading support.  */
  56 #ifdef _MUDFLAPTH
  57 /* extern pthread_mutex_t __mf_biglock; */
  58 #define _REENTRANT
  59 #define _THREAD_SAFE
  60 #endif
  61
  62 /* Codes to describe the type of access to check: __mf_check arg 3 */
  63
  64 #define __MF_CHECK_READ 0
  65 #define __MF_CHECK_WRITE 1
  66
  67
  68 /* Codes to describe a region of memory being registered: __mf_*register arg 3 */
  69
  70 #define __MF_TYPE_NOACCESS 0
  71 #define __MF_TYPE_HEAP 1
  72 #define __MF_TYPE_HEAP_I 2
  73 #define __MF_TYPE_STACK 3
  74 #define __MF_TYPE_STATIC 4
  75 #define __MF_TYPE_GUESS 5
  76
  77
  78 /* The public mudflap API */
  79
  80 #ifdef __cplusplus
  81 extern "C" {
  82 #endif
  83
  84 extern void __mf_check (void *ptr, __mf_size_t sz, int type, const char *location)
  85        __attribute((nothrow));
  86 extern void __mf_register (void *ptr, __mf_size_t sz, int type, const char *name)
  87        __attribute((nothrow));
  88 extern void __mf_unregister (void *ptr, __mf_size_t sz, int type)
  89        __attribute((nothrow));
  90 extern unsigned __mf_watch (void *ptr, __mf_size_t sz);
  91 extern unsigned __mf_unwatch (void *ptr, __mf_size_t sz);
  92 extern void __mf_report ();
  93 extern int __mf_set_options (const char *opts);
  94
  95
  96 /* Redirect some standard library functions to libmudflap.  These are
  97    done by simple #define rather than linker wrapping, since only
  98    instrumented modules are meant to be affected.  */
  99
 100 #ifdef _MUDFLAP
 101 #pragma redefine_extname memcpy __mfwrap_memcpy
 102 #pragma redefine_extname memmove __mfwrap_memmove
 103 #pragma redefine_extname memset __mfwrap_memset
 104 #pragma redefine_extname memcmp __mfwrap_memcmp
 105 #pragma redefine_extname memchr __mfwrap_memchr
 106 #pragma redefine_extname memrchr __mfwrap_memrchr
 107 #pragma redefine_extname strcpy __mfwrap_strcpy
 108 #pragma redefine_extname strncpy __mfwrap_strncpy
 109 #pragma redefine_extname strcat __mfwrap_strcat
 110 #pragma redefine_extname strncat __mfwrap_strncat
 111 #pragma redefine_extname strcmp __mfwrap_strcmp
 112 #pragma redefine_extname strcasecmp __mfwrap_strcasecmp
 113 #pragma redefine_extname strncmp __mfwrap_strncmp
 114 #pragma redefine_extname strncasecmp __mfwrap_strncasecmp
 115 #pragma redefine_extname strdup __mfwrap_strdup
 116 #pragma redefine_extname strndup __mfwrap_strndup
 117 #pragma redefine_extname strchr __mfwrap_strchr
 118 #pragma redefine_extname strrchr __mfwrap_strrchr
 119 #pragma redefine_extname strstr __mfwrap_strstr
 120 #pragma redefine_extname memmem __mfwrap_memmem
 121 #pragma redefine_extname strlen __mfwrap_strlen
 122 #pragma redefine_extname strnlen __mfwrap_strnlen
 123 #pragma redefine_extname bzero __mfwrap_bzero
 124 #pragma redefine_extname bcopy __mfwrap_bcopy
 125 #pragma redefine_extname bcmp __mfwrap_bcmp
 126 #pragma redefine_extname index __mfwrap_index
 127 #pragma redefine_extname rindex __mfwrap_rindex
 128 #pragma redefine_extname asctime __mfwrap_asctime
 129 #pragma redefine_extname ctime __mfwrap_ctime
 130 #pragma redefine_extname gmtime __mfwrap_gmtime
 131 #pragma redefine_extname localtime __mfwrap_localtime
 132 #pragma redefine_extname time __mfwrap_time
 133 #pragma redefine_extname strerror __mfwrap_strerror
 134 #pragma redefine_extname fopen __mfwrap_fopen
 135 #pragma redefine_extname fdopen __mfwrap_fdopen
 136 #pragma redefine_extname freopen __mfwrap_freopen
 137 #pragma redefine_extname fclose __mfwrap_fclose
 138 #pragma redefine_extname fread __mfwrap_fread
 139 #pragma redefine_extname fwrite __mfwrap_fwrite
 140 #pragma redefine_extname fgetc __mfwrap_fgetc
 141 #pragma redefine_extname fgets __mfwrap_fgets
 142 #pragma redefine_extname getc __mfwrap_getc
 143 #pragma redefine_extname gets __mfwrap_gets
 144 #pragma redefine_extname ungetc __mfwrap_ungetc
 145 #pragma redefine_extname fputc __mfwrap_fputc
 146 #pragma redefine_extname fputs __mfwrap_fputs
 147 #pragma redefine_extname putc __mfwrap_putc
 148 #pragma redefine_extname puts __mfwrap_puts
 149 #pragma redefine_extname clearerr __mfwrap_clearerr
 150 #pragma redefine_extname feof __mfwrap_feof
 151 #pragma redefine_extname ferror __mfwrap_ferror
 152 #pragma redefine_extname fileno __mfwrap_fileno
 153 #pragma redefine_extname printf __mfwrap_printf
 154 #pragma redefine_extname fprintf __mfwrap_fprintf
 155 #pragma redefine_extname sprintf __mfwrap_sprintf
 156 #pragma redefine_extname snprintf __mfwrap_snprintf
 157 #pragma redefine_extname vprintf __mfwrap_vprintf
 158 #pragma redefine_extname vfprintf __mfwrap_vfprintf
 159 #pragma redefine_extname vsprintf __mfwrap_vsprintf
 160 #pragma redefine_extname vsnprintf __mfwrap_vsnprintf
 161 #pragma redefine_extname access __mfwrap_access
 162 #pragma redefine_extname remove __mfwrap_remove
 163 #pragma redefine_extname fflush __mfwrap_fflush
 164 #pragma redefine_extname fseek __mfwrap_fseek
 165 #pragma redefine_extname ftell __mfwrap_ftell
 166 #pragma redefine_extname rewind __mfwrap_rewind
 167 #pragma redefine_extname fgetpos __mfwrap_fgetpos
 168 #pragma redefine_extname fsetpos __mfwrap_fsetpos
 169 #pragma redefine_extname stat __mfwrap_stat
 170 #pragma redefine_extname fstat __mfwrap_fstat
 171 #pragma redefine_extname lstat __mfwrap_lstat
 172 #pragma redefine_extname mkfifo __mfwrap_mkfifo
 173 #pragma redefine_extname setvbuf __mfwrap_setvbuf
 174 #pragma redefine_extname setbuf __mfwrap_setbuf
 175 #pragma redefine_extname setbuffer __mfwrap_setbuffer
 176 #pragma redefine_extname setlinebuf __mfwrap_setlinebuf
 177 #pragma redefine_extname opendir __mfwrap_opendir
 178 #pragma redefine_extname closedir __mfwrap_closedir
 179 #pragma redefine_extname readdir __mfwrap_readdir
 180 #pragma redefine_extname recv __mfwrap_recv
 181 #pragma redefine_extname recvfrom __mfwrap_recvfrom
 182 #pragma redefine_extname recvmsg __mfwrap_recvmsg
 183 #pragma redefine_extname send __mfwrap_send
 184 #pragma redefine_extname sendto __mfwrap_sendto
 185 #pragma redefine_extname sendmsg __mfwrap_sendmsg
 186 #pragma redefine_extname setsockopt __mfwrap_setsockopt
 187 #pragma redefine_extname getsockopt __mfwrap_getsockopt
 188 #pragma redefine_extname accept __mfwrap_accept
 189 #pragma redefine_extname bind __mfwrap_bind
 190 #pragma redefine_extname connect __mfwrap_connect
 191 #pragma redefine_extname gethostname __mfwrap_gethostname
 192 #pragma redefine_extname sethostname __mfwrap_sethostname
 193 #pragma redefine_extname gethostbyname __mfwrap_gethostbyname
 194 #pragma redefine_extname wait __mfwrap_wait
 195 #pragma redefine_extname waitpid __mfwrap_waitpid
 196 #pragma redefine_extname popen __mfwrap_popen
 197 #pragma redefine_extname pclose __mfwrap_pclose
 198 #pragma redefine_extname execve __mfwrap_execve
 199 #pragma redefine_extname execv __mfwrap_execv
 200 #pragma redefine_extname execvp __mfwrap_execvp
 201 #pragma redefine_extname system __mfwrap_system
 202 #pragma redefine_extname dlopen __mfwrap_dlopen
 203 #pragma redefine_extname dlerror __mfwrap_dlerror
 204 #pragma redefine_extname dlsym __mfwrap_dlsym
 205 #pragma redefine_extname dlclose __mfwrap_dlclose
 206 #pragma redefine_extname fopen64 __mfwrap_fopen64
 207 #pragma redefine_extname freopen64 __mfwrap_freopen64
 208 #pragma redefine_extname stat64 __mfwrap_stat64
 209 #pragma redefine_extname fseeko64 __mfwrap_fseeko64
 210 #pragma redefine_extname ftello64 __mfwrap_ftello64
 211 #pragma redefine_extname semop __mfwrap_semop
 212 #pragma redefine_extname semctl __mfwrap_semctl
 213 #pragma redefine_extname shmctl __mfwrap_shmctl
 214 #pragma redefine_extname shmat __mfwrap_shmat
 215 #pragma redefine_extname shmdt __mfwrap_shmdt
 216 #pragma redefine_extname __ctype_b_loc __mfwrap___ctype_b_loc
 217 #pragma redefine_extname __ctype_toupper_loc __mfwrap___ctype_toupper_loc
 218 #pragma redefine_extname __ctype_tolower_loc __mfwrap___ctype_tolower_loc
 219 #pragma redefine_extname getlogin __mfwrap_getlogin
 220 #pragma redefine_extname cuserid __mfwrap_cuserid
 221 #pragma redefine_extname getpwnam __mfwrap_getpwnam
 222 #pragma redefine_extname getpwuid __mfwrap_getpwuid
 223 #pragma redefine_extname getgrnam __mfwrap_getgrnam
 224 #pragma redefine_extname getgrgid __mfwrap_getgrgid
 225 #pragma redefine_extname getservent __mfwrap_getservent
 226 #pragma redefine_extname getservbyname __mfwrap_getservbyname
 227 #pragma redefine_extname getservbyport __mfwrap_getservbyport
 228 #pragma redefine_extname gai_strerror __mfwrap_gai_strerror
 229 #pragma redefine_extname getmntent __mfwrap_getmntent
 230 #pragma redefine_extname inet_ntoa __mfwrap_inet_ntoa
 231 #pragma redefine_extname getprotoent __mfwrap_getprotoent
 232 #pragma redefine_extname getprotobyname __mfwrap_getprotobyname
 233 #pragma redefine_extname getprotobynumber __mfwrap_getprotobynumber
 234
 235 /* Disable glibc macros.  */
 236 #define __NO_STRING_INLINES
 237
 238 #endif /* _MUDFLAP */
 239
 240
 241 #ifdef __cplusplus
 242 }
 243 #endif
 244
 245 #endif /* MF_RUNTIME_H */