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