1 | /*
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2 | * TCC - Tiny C Compiler
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3 | *
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4 | * Copyright (c) 2001-2004 Fabrice Bellard
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5 | *
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6 | * This library is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU Lesser General Public
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8 | * License as published by the Free Software Foundation; either
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9 | * version 2 of the License, or (at your option) any later version.
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10 | *
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11 | * This library is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | * Lesser General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU Lesser General Public
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17 | * License along with this library; if not, write to the Free Software
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18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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19 | */
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20 |
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21 | #ifndef _TCC_H
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22 | #define _TCC_H
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23 |
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24 | #define _GNU_SOURCE
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25 | #include "config.h"
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26 |
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27 | #include <stdlib.h>
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28 | #include <stdio.h>
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29 | #include <stdarg.h>
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30 | #include <string.h>
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31 | #include <errno.h>
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32 | #include <math.h>
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33 | #include <fcntl.h>
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34 | #include <setjmp.h>
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35 | #include <time.h>
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36 |
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37 | #ifndef _WIN32
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38 | # include <unistd.h>
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39 | # include <sys/time.h>
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40 | # ifndef CONFIG_TCC_STATIC
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41 | # include <dlfcn.h>
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42 | # endif
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43 | /* XXX: need to define this to use them in non ISOC99 context */
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44 | extern float strtof (const char *__nptr, char **__endptr);
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45 | extern long double strtold (const char *__nptr, char **__endptr);
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46 | #endif
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47 |
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48 | #ifdef _WIN32
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49 | # include <windows.h>
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50 | # include <io.h> /* open, close etc. */
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51 | # include <direct.h> /* getcwd */
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52 | # ifdef __GNUC__
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53 | # include <stdint.h>
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54 | # endif
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55 | # define inline __inline
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56 | # define snprintf _snprintf
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57 | # define vsnprintf _vsnprintf
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58 | # ifndef __GNUC__
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59 | # define strtold (long double)strtod
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60 | # define strtof (float)strtod
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61 | # define strtoll _strtoi64
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62 | # define strtoull _strtoui64
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63 | # endif
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64 | # ifdef LIBTCC_AS_DLL
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65 | # define LIBTCCAPI __declspec(dllexport)
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66 | # define PUB_FUNC LIBTCCAPI
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67 | # endif
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68 | # define inp next_inp /* inp is an intrinsic on msvc/mingw */
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69 | # ifdef _MSC_VER
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70 | # pragma warning (disable : 4244) // conversion from 'uint64_t' to 'int', possible loss of data
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71 | # pragma warning (disable : 4267) // conversion from 'size_t' to 'int', possible loss of data
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72 | # pragma warning (disable : 4996) // The POSIX name for this item is deprecated. Instead, use the ISO C and C++ conformant name
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73 | # pragma warning (disable : 4018) // signed/unsigned mismatch
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74 | # pragma warning (disable : 4146) // unary minus operator applied to unsigned type, result still unsigned
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75 | # define ssize_t intptr_t
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76 | # endif
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77 | # undef CONFIG_TCC_STATIC
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78 | #endif
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79 |
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80 | #ifndef O_BINARY
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81 | # define O_BINARY 0
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82 | #endif
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83 |
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84 | #ifndef offsetof
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85 | #define offsetof(type, field) ((size_t) &((type *)0)->field)
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86 | #endif
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87 |
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88 | #ifndef countof
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89 | #define countof(tab) (sizeof(tab) / sizeof((tab)[0]))
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90 | #endif
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91 |
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92 | #ifdef _MSC_VER
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93 | # define NORETURN __declspec(noreturn)
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94 | # define ALIGNED(x) __declspec(align(x))
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95 | #else
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96 | # define NORETURN __attribute__((noreturn))
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97 | # define ALIGNED(x) __attribute__((aligned(x)))
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98 | #endif
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99 |
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100 | #ifdef _WIN32
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101 | # define IS_DIRSEP(c) (c == '/' || c == '\\')
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102 | # define IS_ABSPATH(p) (IS_DIRSEP(p[0]) || (p[0] && p[1] == ':' && IS_DIRSEP(p[2])))
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103 | # define PATHCMP stricmp
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104 | # define PATHSEP ";"
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105 | #else
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106 | # define IS_DIRSEP(c) (c == '/')
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107 | # define IS_ABSPATH(p) IS_DIRSEP(p[0])
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108 | # define PATHCMP strcmp
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109 | # define PATHSEP ":"
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110 | #endif
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111 |
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112 | /* -------------------------------------------- */
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113 |
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114 | /* parser debug */
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115 | /* #define PARSE_DEBUG */
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116 | /* preprocessor debug */
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117 | /* #define PP_DEBUG */
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118 | /* include file debug */
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119 | /* #define INC_DEBUG */
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120 | /* memory leak debug */
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121 | /* #define MEM_DEBUG */
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122 | /* assembler debug */
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123 | /* #define ASM_DEBUG */
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124 |
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125 | /* target selection */
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126 | /* #define TCC_TARGET_I386 *//* i386 code generator */
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127 | /* #define TCC_TARGET_X86_64 *//* x86-64 code generator */
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128 | /* #define TCC_TARGET_ARM *//* ARMv4 code generator */
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129 | /* #define TCC_TARGET_ARM64 *//* ARMv8 code generator */
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130 | /* #define TCC_TARGET_C67 *//* TMS320C67xx code generator */
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131 |
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132 | /* default target is I386 */
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133 | #if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_ARM) && \
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134 | !defined(TCC_TARGET_ARM64) && !defined(TCC_TARGET_C67) && \
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135 | !defined(TCC_TARGET_X86_64)
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136 | # if defined __x86_64__ || defined _AMD64_
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137 | # define TCC_TARGET_X86_64
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138 | # elif defined __arm__
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139 | # define TCC_TARGET_ARM
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140 | # define TCC_ARM_EABI
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141 | # define TCC_ARM_HARDFLOAT
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142 | # elif defined __aarch64__
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143 | # define TCC_TARGET_ARM64
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144 | # else
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145 | # define TCC_TARGET_I386
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146 | # endif
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147 | # ifdef _WIN32
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148 | # define TCC_TARGET_PE 1
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149 | # endif
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150 | #endif
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151 |
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152 | /* only native compiler supports -run */
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153 | #if defined _WIN32 == defined TCC_TARGET_PE
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154 | # if (defined __i386__ || defined _X86_) && defined TCC_TARGET_I386
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155 | # define TCC_IS_NATIVE
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156 | # elif (defined __x86_64__ || defined _AMD64_) && defined TCC_TARGET_X86_64
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157 | # define TCC_IS_NATIVE
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158 | # elif defined __arm__ && defined TCC_TARGET_ARM
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159 | # define TCC_IS_NATIVE
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160 | # elif defined __aarch64__ && defined TCC_TARGET_ARM64
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161 | # define TCC_IS_NATIVE
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162 | # endif
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163 | #endif
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164 |
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165 | #if defined TCC_IS_NATIVE && !defined CONFIG_TCCBOOT
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166 | # define CONFIG_TCC_BACKTRACE
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167 | # if (defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64) \
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168 | && !defined TCC_UCLIBC && !defined TCC_MUSL
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169 | # define CONFIG_TCC_BCHECK /* enable bound checking code */
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170 | # endif
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171 | #endif
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172 |
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173 | /* ------------ path configuration ------------ */
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174 |
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175 | #ifndef CONFIG_SYSROOT
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176 | # define CONFIG_SYSROOT ""
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177 | #endif
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178 | #ifndef CONFIG_TCCDIR
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179 | # define CONFIG_TCCDIR "/usr/local/lib/tcc"
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180 | #endif
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181 | #ifndef CONFIG_LDDIR
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182 | # define CONFIG_LDDIR "lib"
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183 | #endif
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184 | #ifdef CONFIG_TRIPLET
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185 | # define USE_TRIPLET(s) s "/" CONFIG_TRIPLET
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186 | # define ALSO_TRIPLET(s) USE_TRIPLET(s) ":" s
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187 | #else
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188 | # define USE_TRIPLET(s) s
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189 | # define ALSO_TRIPLET(s) s
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190 | #endif
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191 |
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192 | /* path to find crt1.o, crti.o and crtn.o */
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193 | #ifndef CONFIG_TCC_CRTPREFIX
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194 | # define CONFIG_TCC_CRTPREFIX USE_TRIPLET(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR)
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195 | #endif
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196 |
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197 | /* Below: {B} is substituted by CONFIG_TCCDIR (rsp. -B option) */
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198 |
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199 | /* system include paths */
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200 | #ifndef CONFIG_TCC_SYSINCLUDEPATHS
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201 | # ifdef TCC_TARGET_PE
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202 | # define CONFIG_TCC_SYSINCLUDEPATHS "{B}/include"PATHSEP"{B}/include/winapi"
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203 | # else
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204 | # define CONFIG_TCC_SYSINCLUDEPATHS \
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205 | "{B}/include" \
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206 | ":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/local/include") \
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207 | ":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/include")
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208 | # endif
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209 | #endif
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210 |
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211 | /* library search paths */
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212 | #ifndef CONFIG_TCC_LIBPATHS
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213 | # ifdef TCC_TARGET_PE
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214 | # define CONFIG_TCC_LIBPATHS "{B}/lib"
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215 | # else
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216 | # define CONFIG_TCC_LIBPATHS \
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217 | ALSO_TRIPLET(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR) \
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218 | ":" ALSO_TRIPLET(CONFIG_SYSROOT "/" CONFIG_LDDIR) \
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219 | ":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/local/" CONFIG_LDDIR)
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220 | # endif
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221 | #endif
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222 |
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223 | /* name of ELF interpreter */
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224 | #ifndef CONFIG_TCC_ELFINTERP
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225 | # if defined __FreeBSD__
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226 | # define CONFIG_TCC_ELFINTERP "/libexec/ld-elf.so.1"
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227 | # elif defined __FreeBSD_kernel__
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228 | # if defined(TCC_TARGET_X86_64)
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229 | # define CONFIG_TCC_ELFINTERP "/lib/ld-kfreebsd-x86-64.so.1"
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230 | # else
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231 | # define CONFIG_TCC_ELFINTERP "/lib/ld.so.1"
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232 | # endif
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233 | # elif defined __DragonFly__
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234 | # define CONFIG_TCC_ELFINTERP "/usr/libexec/ld-elf.so.2"
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235 | # elif defined __NetBSD__
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236 | # define CONFIG_TCC_ELFINTERP "/usr/libexec/ld.elf_so"
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237 | # elif defined __GNU__
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238 | # define CONFIG_TCC_ELFINTERP "/lib/ld.so"
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239 | # elif defined(TCC_TARGET_PE)
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240 | # define CONFIG_TCC_ELFINTERP "-"
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241 | # elif defined(TCC_UCLIBC)
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242 | # define CONFIG_TCC_ELFINTERP "/lib/ld-uClibc.so.0" /* is there a uClibc for x86_64 ? */
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243 | # elif defined TCC_TARGET_ARM64
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244 | # if defined(TCC_MUSL)
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245 | # define CONFIG_TCC_ELFINTERP "/lib/ld-musl-aarch64.so.1"
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246 | # else
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247 | # define CONFIG_TCC_ELFINTERP "/lib/ld-linux-aarch64.so.1"
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248 | # endif
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249 | # elif defined(TCC_TARGET_X86_64)
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250 | # if defined(TCC_MUSL)
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251 | # define CONFIG_TCC_ELFINTERP "/lib/ld-musl-x86_64.so.1"
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252 | # else
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253 | # define CONFIG_TCC_ELFINTERP "/lib64/ld-linux-x86-64.so.2"
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254 | # endif
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255 | # elif !defined(TCC_ARM_EABI)
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256 | # if defined(TCC_MUSL)
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257 | # define CONFIG_TCC_ELFINTERP "/lib/ld-musl-arm.so.1"
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258 | # else
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259 | # define CONFIG_TCC_ELFINTERP "/lib/ld-linux.so.2"
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260 | # endif
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261 | # endif
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262 | #endif
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263 |
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264 | /* var elf_interp dans *-gen.c */
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265 | #ifdef CONFIG_TCC_ELFINTERP
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266 | # define DEFAULT_ELFINTERP(s) CONFIG_TCC_ELFINTERP
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267 | #else
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268 | # define DEFAULT_ELFINTERP(s) default_elfinterp(s)
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269 | #endif
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270 |
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271 | /* (target specific) libtcc1.a */
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272 | #ifndef TCC_LIBTCC1
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273 | # define TCC_LIBTCC1 "libtcc1.a"
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274 | #endif
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275 |
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276 | /* library to use with CONFIG_USE_LIBGCC instead of libtcc1.a */
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277 | #if defined CONFIG_USE_LIBGCC && !defined TCC_LIBGCC
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278 | #define TCC_LIBGCC USE_TRIPLET(CONFIG_SYSROOT "/" CONFIG_LDDIR) "/libgcc_s.so.1"
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279 | #endif
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280 |
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281 | /* -------------------------------------------- */
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282 |
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283 | #include "libtcc.h"
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284 | #include "elf.h"
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285 | #include "stab.h"
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286 |
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287 | /* -------------------------------------------- */
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288 |
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289 | #ifndef PUB_FUNC /* functions used by tcc.c but not in libtcc.h */
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290 | # define PUB_FUNC
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291 | #endif
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292 |
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293 | #ifndef ONE_SOURCE
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294 | # define ONE_SOURCE 1
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295 | #endif
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296 |
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297 | #if ONE_SOURCE
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298 | #define ST_INLN static inline
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299 | #define ST_FUNC static
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300 | #define ST_DATA static
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301 | #else
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302 | #define ST_INLN
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303 | #define ST_FUNC
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304 | #define ST_DATA extern
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305 | #endif
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306 |
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307 | #ifdef TCC_PROFILE /* profile all functions */
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308 | # define static
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309 | #endif
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310 |
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311 | /* -------------------------------------------- */
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312 | /* include the target specific definitions */
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313 |
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314 | #define TARGET_DEFS_ONLY
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315 | #ifdef TCC_TARGET_I386
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316 | # include "i386-gen.c"
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317 | # include "i386-link.c"
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318 | #endif
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319 | #ifdef TCC_TARGET_X86_64
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320 | # include "x86_64-gen.c"
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321 | # include "x86_64-link.c"
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322 | #endif
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323 | #ifdef TCC_TARGET_ARM
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324 | # include "arm-gen.c"
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325 | # include "arm-link.c"
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326 | # include "arm-asm.c"
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327 | #endif
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328 | #ifdef TCC_TARGET_ARM64
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329 | # include "arm64-gen.c"
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330 | # include "arm64-link.c"
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331 | #endif
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332 | #ifdef TCC_TARGET_C67
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333 | # define TCC_TARGET_COFF
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334 | # include "coff.h"
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335 | # include "c67-gen.c"
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336 | # include "c67-link.c"
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337 | #endif
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338 | #undef TARGET_DEFS_ONLY
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339 |
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340 | /* -------------------------------------------- */
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341 |
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342 | #if PTR_SIZE == 8
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343 | # define ELFCLASSW ELFCLASS64
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344 | # define ElfW(type) Elf##64##_##type
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345 | # define ELFW(type) ELF##64##_##type
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346 | # define ElfW_Rel ElfW(Rela)
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347 | # define SHT_RELX SHT_RELA
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348 | # define REL_SECTION_FMT ".rela%s"
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349 | #else
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350 | # define ELFCLASSW ELFCLASS32
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351 | # define ElfW(type) Elf##32##_##type
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352 | # define ELFW(type) ELF##32##_##type
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353 | # define ElfW_Rel ElfW(Rel)
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354 | # define SHT_RELX SHT_REL
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355 | # define REL_SECTION_FMT ".rel%s"
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356 | #endif
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357 | /* target address type */
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358 | #define addr_t ElfW(Addr)
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359 | #define ElfSym ElfW(Sym)
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360 |
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361 | #if PTR_SIZE == 8 && !defined TCC_TARGET_PE
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362 | # define LONG_SIZE 8
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363 | #else
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364 | # define LONG_SIZE 4
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365 | #endif
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366 |
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367 | /* -------------------------------------------- */
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368 |
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369 | #define INCLUDE_STACK_SIZE 32
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370 | #define IFDEF_STACK_SIZE 64
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371 | #define VSTACK_SIZE 256
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372 | #define STRING_MAX_SIZE 1024
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373 | #define TOKSTR_MAX_SIZE 256
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374 | #define PACK_STACK_SIZE 8
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375 |
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376 | #define TOK_HASH_SIZE 16384 /* must be a power of two */
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377 | #define TOK_ALLOC_INCR 512 /* must be a power of two */
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378 | #define TOK_MAX_SIZE 4 /* token max size in int unit when stored in string */
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379 |
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380 | /* token symbol management */
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381 | typedef struct TokenSym {
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382 | struct TokenSym *hash_next;
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383 | struct Sym *sym_define; /* direct pointer to define */
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384 | struct Sym *sym_label; /* direct pointer to label */
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385 | struct Sym *sym_struct; /* direct pointer to structure */
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386 | struct Sym *sym_identifier; /* direct pointer to identifier */
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387 | int tok; /* token number */
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388 | int len;
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389 | char str[1];
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390 | } TokenSym;
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391 |
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392 | #ifdef TCC_TARGET_PE
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393 | typedef unsigned short nwchar_t;
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394 | #else
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395 | typedef int nwchar_t;
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396 | #endif
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397 |
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398 | typedef struct CString {
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399 | int size; /* size in bytes */
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400 | void *data; /* either 'char *' or 'nwchar_t *' */
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401 | int size_allocated;
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402 | } CString;
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403 |
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404 | /* type definition */
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405 | typedef struct CType {
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406 | int t;
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407 | struct Sym *ref;
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408 | } CType;
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409 |
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410 | /* constant value */
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411 | typedef union CValue {
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412 | long double ld;
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413 | double d;
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414 | float f;
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415 | uint64_t i;
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416 | struct {
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417 | int size;
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418 | const void *data;
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419 | } str;
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420 | int tab[LDOUBLE_SIZE/4];
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421 | } CValue;
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422 |
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423 | /* value on stack */
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424 | typedef struct SValue {
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425 | CType type; /* type */
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426 | unsigned short r; /* register + flags */
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427 | unsigned short r2; /* second register, used for 'long long'
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428 | type. If not used, set to VT_CONST */
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429 | CValue c; /* constant, if VT_CONST */
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430 | struct Sym *sym; /* symbol, if (VT_SYM | VT_CONST), or if
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431 | result of unary() for an identifier. */
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432 | } SValue;
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433 |
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434 | /* symbol attributes */
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435 | struct SymAttr {
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436 | unsigned short
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437 | aligned : 5, /* alignment as log2+1 (0 == unspecified) */
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---|
438 | packed : 1,
|
---|
439 | weak : 1,
|
---|
440 | visibility : 2,
|
---|
441 | dllexport : 1,
|
---|
442 | dllimport : 1,
|
---|
443 | unused : 5;
|
---|
444 | };
|
---|
445 |
|
---|
446 | /* function attributes or temporary attributes for parsing */
|
---|
447 | struct FuncAttr {
|
---|
448 | unsigned
|
---|
449 | func_call : 3, /* calling convention (0..5), see below */
|
---|
450 | func_type : 2, /* FUNC_OLD/NEW/ELLIPSIS */
|
---|
451 | func_args : 8; /* PE __stdcall args */
|
---|
452 | };
|
---|
453 |
|
---|
454 | /* GNUC attribute definition */
|
---|
455 | typedef struct AttributeDef {
|
---|
456 | struct SymAttr a;
|
---|
457 | struct FuncAttr f;
|
---|
458 | struct Section *section;
|
---|
459 | int alias_target; /* token */
|
---|
460 | int asm_label; /* associated asm label */
|
---|
461 | char attr_mode; /* __attribute__((__mode__(...))) */
|
---|
462 | } AttributeDef;
|
---|
463 |
|
---|
464 | /* symbol management */
|
---|
465 | typedef struct Sym {
|
---|
466 | int v; /* symbol token */
|
---|
467 | unsigned short r; /* associated register or VT_CONST/VT_LOCAL and LVAL type */
|
---|
468 | struct SymAttr a; /* symbol attributes */
|
---|
469 | union {
|
---|
470 | struct {
|
---|
471 | int c; /* associated number or Elf symbol index */
|
---|
472 | union {
|
---|
473 | int sym_scope; /* scope level for locals */
|
---|
474 | int jnext; /* next jump label */
|
---|
475 | struct FuncAttr f; /* function attributes */
|
---|
476 | int auxtype; /* bitfield access type */
|
---|
477 | };
|
---|
478 | };
|
---|
479 | long long enum_val; /* enum constant if IS_ENUM_VAL */
|
---|
480 | int *d; /* define token stream */
|
---|
481 | };
|
---|
482 | CType type; /* associated type */
|
---|
483 | union {
|
---|
484 | struct Sym *next; /* next related symbol (for fields and anoms) */
|
---|
485 | int asm_label; /* associated asm label */
|
---|
486 | };
|
---|
487 | struct Sym *prev; /* prev symbol in stack */
|
---|
488 | struct Sym *prev_tok; /* previous symbol for this token */
|
---|
489 | } Sym;
|
---|
490 |
|
---|
491 | /* section definition */
|
---|
492 | typedef struct Section {
|
---|
493 | unsigned long data_offset; /* current data offset */
|
---|
494 | unsigned char *data; /* section data */
|
---|
495 | unsigned long data_allocated; /* used for realloc() handling */
|
---|
496 | int sh_name; /* elf section name (only used during output) */
|
---|
497 | int sh_num; /* elf section number */
|
---|
498 | int sh_type; /* elf section type */
|
---|
499 | int sh_flags; /* elf section flags */
|
---|
500 | int sh_info; /* elf section info */
|
---|
501 | int sh_addralign; /* elf section alignment */
|
---|
502 | int sh_entsize; /* elf entry size */
|
---|
503 | unsigned long sh_size; /* section size (only used during output) */
|
---|
504 | addr_t sh_addr; /* address at which the section is relocated */
|
---|
505 | unsigned long sh_offset; /* file offset */
|
---|
506 | int nb_hashed_syms; /* used to resize the hash table */
|
---|
507 | struct Section *link; /* link to another section */
|
---|
508 | struct Section *reloc; /* corresponding section for relocation, if any */
|
---|
509 | struct Section *hash; /* hash table for symbols */
|
---|
510 | struct Section *prev; /* previous section on section stack */
|
---|
511 | char name[1]; /* section name */
|
---|
512 | } Section;
|
---|
513 |
|
---|
514 | typedef struct DLLReference {
|
---|
515 | int level;
|
---|
516 | void *handle;
|
---|
517 | char name[1];
|
---|
518 | } DLLReference;
|
---|
519 |
|
---|
520 | /* -------------------------------------------------- */
|
---|
521 |
|
---|
522 | #define SYM_STRUCT 0x40000000 /* struct/union/enum symbol space */
|
---|
523 | #define SYM_FIELD 0x20000000 /* struct/union field symbol space */
|
---|
524 | #define SYM_FIRST_ANOM 0x10000000 /* first anonymous sym */
|
---|
525 |
|
---|
526 | /* stored in 'Sym->f.func_type' field */
|
---|
527 | #define FUNC_NEW 1 /* ansi function prototype */
|
---|
528 | #define FUNC_OLD 2 /* old function prototype */
|
---|
529 | #define FUNC_ELLIPSIS 3 /* ansi function prototype with ... */
|
---|
530 |
|
---|
531 | /* stored in 'Sym->f.func_call' field */
|
---|
532 | #define FUNC_CDECL 0 /* standard c call */
|
---|
533 | #define FUNC_STDCALL 1 /* pascal c call */
|
---|
534 | #define FUNC_FASTCALL1 2 /* first param in %eax */
|
---|
535 | #define FUNC_FASTCALL2 3 /* first parameters in %eax, %edx */
|
---|
536 | #define FUNC_FASTCALL3 4 /* first parameter in %eax, %edx, %ecx */
|
---|
537 | #define FUNC_FASTCALLW 5 /* first parameter in %ecx, %edx */
|
---|
538 |
|
---|
539 | /* field 'Sym.t' for macros */
|
---|
540 | #define MACRO_OBJ 0 /* object like macro */
|
---|
541 | #define MACRO_FUNC 1 /* function like macro */
|
---|
542 |
|
---|
543 | /* field 'Sym.r' for C labels */
|
---|
544 | #define LABEL_DEFINED 0 /* label is defined */
|
---|
545 | #define LABEL_FORWARD 1 /* label is forward defined */
|
---|
546 | #define LABEL_DECLARED 2 /* label is declared but never used */
|
---|
547 |
|
---|
548 | /* type_decl() types */
|
---|
549 | #define TYPE_ABSTRACT 1 /* type without variable */
|
---|
550 | #define TYPE_DIRECT 2 /* type with variable */
|
---|
551 |
|
---|
552 | #define IO_BUF_SIZE 8192
|
---|
553 |
|
---|
554 | typedef struct BufferedFile {
|
---|
555 | uint8_t *buf_ptr;
|
---|
556 | uint8_t *buf_end;
|
---|
557 | int fd;
|
---|
558 | struct BufferedFile *prev;
|
---|
559 | int line_num; /* current line number - here to simplify code */
|
---|
560 | int line_ref; /* tcc -E: last printed line */
|
---|
561 | int ifndef_macro; /* #ifndef macro / #endif search */
|
---|
562 | int ifndef_macro_saved; /* saved ifndef_macro */
|
---|
563 | int *ifdef_stack_ptr; /* ifdef_stack value at the start of the file */
|
---|
564 | int include_next_index; /* next search path */
|
---|
565 | char filename[1024]; /* filename */
|
---|
566 | char *true_filename; /* filename not modified by # line directive */
|
---|
567 | unsigned char unget[4];
|
---|
568 | unsigned char buffer[1]; /* extra size for CH_EOB char */
|
---|
569 | } BufferedFile;
|
---|
570 |
|
---|
571 | #define CH_EOB '\\' /* end of buffer or '\0' char in file */
|
---|
572 | #define CH_EOF (-1) /* end of file */
|
---|
573 |
|
---|
574 | /* used to record tokens */
|
---|
575 | typedef struct TokenString {
|
---|
576 | int *str;
|
---|
577 | int len;
|
---|
578 | int lastlen;
|
---|
579 | int allocated_len;
|
---|
580 | int last_line_num;
|
---|
581 | int save_line_num;
|
---|
582 | /* used to chain token-strings with begin/end_macro() */
|
---|
583 | struct TokenString *prev;
|
---|
584 | const int *prev_ptr;
|
---|
585 | char alloc;
|
---|
586 | } TokenString;
|
---|
587 |
|
---|
588 | /* inline functions */
|
---|
589 | typedef struct InlineFunc {
|
---|
590 | TokenString *func_str;
|
---|
591 | Sym *sym;
|
---|
592 | char filename[1];
|
---|
593 | } InlineFunc;
|
---|
594 |
|
---|
595 | /* include file cache, used to find files faster and also to eliminate
|
---|
596 | inclusion if the include file is protected by #ifndef ... #endif */
|
---|
597 | typedef struct CachedInclude {
|
---|
598 | int ifndef_macro;
|
---|
599 | int once;
|
---|
600 | int hash_next; /* -1 if none */
|
---|
601 | char filename[1]; /* path specified in #include */
|
---|
602 | } CachedInclude;
|
---|
603 |
|
---|
604 | #define CACHED_INCLUDES_HASH_SIZE 32
|
---|
605 |
|
---|
606 | #ifdef CONFIG_TCC_ASM
|
---|
607 | typedef struct ExprValue {
|
---|
608 | uint64_t v;
|
---|
609 | Sym *sym;
|
---|
610 | int pcrel;
|
---|
611 | } ExprValue;
|
---|
612 |
|
---|
613 | #define MAX_ASM_OPERANDS 30
|
---|
614 | typedef struct ASMOperand {
|
---|
615 | int id; /* GCC 3 optional identifier (0 if number only supported */
|
---|
616 | char *constraint;
|
---|
617 | char asm_str[16]; /* computed asm string for operand */
|
---|
618 | SValue *vt; /* C value of the expression */
|
---|
619 | int ref_index; /* if >= 0, gives reference to a output constraint */
|
---|
620 | int input_index; /* if >= 0, gives reference to an input constraint */
|
---|
621 | int priority; /* priority, used to assign registers */
|
---|
622 | int reg; /* if >= 0, register number used for this operand */
|
---|
623 | int is_llong; /* true if double register value */
|
---|
624 | int is_memory; /* true if memory operand */
|
---|
625 | int is_rw; /* for '+' modifier */
|
---|
626 | } ASMOperand;
|
---|
627 | #endif
|
---|
628 |
|
---|
629 | /* extra symbol attributes (not in symbol table) */
|
---|
630 | struct sym_attr {
|
---|
631 | unsigned got_offset;
|
---|
632 | unsigned plt_offset;
|
---|
633 | int plt_sym;
|
---|
634 | int dyn_index;
|
---|
635 | #ifdef TCC_TARGET_ARM
|
---|
636 | unsigned char plt_thumb_stub:1;
|
---|
637 | #endif
|
---|
638 | };
|
---|
639 |
|
---|
640 | struct TCCState {
|
---|
641 |
|
---|
642 | int verbose; /* if true, display some information during compilation */
|
---|
643 | int nostdinc; /* if true, no standard headers are added */
|
---|
644 | int nostdlib; /* if true, no standard libraries are added */
|
---|
645 | int nocommon; /* if true, do not use common symbols for .bss data */
|
---|
646 | int static_link; /* if true, static linking is performed */
|
---|
647 | int rdynamic; /* if true, all symbols are exported */
|
---|
648 | int symbolic; /* if true, resolve symbols in the current module first */
|
---|
649 | int alacarte_link; /* if true, only link in referenced objects from archive */
|
---|
650 |
|
---|
651 | char *tcc_lib_path; /* CONFIG_TCCDIR or -B option */
|
---|
652 | char *soname; /* as specified on the command line (-soname) */
|
---|
653 | char *rpath; /* as specified on the command line (-Wl,-rpath=) */
|
---|
654 | int enable_new_dtags; /* ditto, (-Wl,--enable-new-dtags) */
|
---|
655 |
|
---|
656 | /* output type, see TCC_OUTPUT_XXX */
|
---|
657 | int output_type;
|
---|
658 | /* output format, see TCC_OUTPUT_FORMAT_xxx */
|
---|
659 | int output_format;
|
---|
660 |
|
---|
661 | /* C language options */
|
---|
662 | int char_is_unsigned;
|
---|
663 | int leading_underscore;
|
---|
664 | int ms_extensions; /* allow nested named struct w/o identifier behave like unnamed */
|
---|
665 | int dollars_in_identifiers; /* allows '$' char in identifiers */
|
---|
666 | int ms_bitfields; /* if true, emulate MS algorithm for aligning bitfields */
|
---|
667 |
|
---|
668 | /* warning switches */
|
---|
669 | int warn_write_strings;
|
---|
670 | int warn_unsupported;
|
---|
671 | int warn_error;
|
---|
672 | int warn_none;
|
---|
673 | int warn_implicit_function_declaration;
|
---|
674 | int warn_gcc_compat;
|
---|
675 |
|
---|
676 | /* compile with debug symbol (and use them if error during execution) */
|
---|
677 | int do_debug;
|
---|
678 | #ifdef CONFIG_TCC_BCHECK
|
---|
679 | /* compile with built-in memory and bounds checker */
|
---|
680 | int do_bounds_check;
|
---|
681 | #endif
|
---|
682 | #ifdef TCC_TARGET_ARM
|
---|
683 | enum float_abi float_abi; /* float ABI of the generated code*/
|
---|
684 | #endif
|
---|
685 | int run_test; /* nth test to run with -dt -run */
|
---|
686 |
|
---|
687 | addr_t text_addr; /* address of text section */
|
---|
688 | int has_text_addr;
|
---|
689 |
|
---|
690 | unsigned section_align; /* section alignment */
|
---|
691 |
|
---|
692 | char *init_symbol; /* symbols to call at load-time (not used currently) */
|
---|
693 | char *fini_symbol; /* symbols to call at unload-time (not used currently) */
|
---|
694 |
|
---|
695 | #ifdef TCC_TARGET_I386
|
---|
696 | int seg_size; /* 32. Can be 16 with i386 assembler (.code16) */
|
---|
697 | #endif
|
---|
698 | #ifdef TCC_TARGET_X86_64
|
---|
699 | int nosse; /* For -mno-sse support. */
|
---|
700 | #endif
|
---|
701 |
|
---|
702 | /* array of all loaded dlls (including those referenced by loaded dlls) */
|
---|
703 | DLLReference **loaded_dlls;
|
---|
704 | int nb_loaded_dlls;
|
---|
705 |
|
---|
706 | /* include paths */
|
---|
707 | char **include_paths;
|
---|
708 | int nb_include_paths;
|
---|
709 |
|
---|
710 | char **sysinclude_paths;
|
---|
711 | int nb_sysinclude_paths;
|
---|
712 |
|
---|
713 | /* library paths */
|
---|
714 | char **library_paths;
|
---|
715 | int nb_library_paths;
|
---|
716 |
|
---|
717 | /* crt?.o object path */
|
---|
718 | char **crt_paths;
|
---|
719 | int nb_crt_paths;
|
---|
720 |
|
---|
721 | /* -include files */
|
---|
722 | char **cmd_include_files;
|
---|
723 | int nb_cmd_include_files;
|
---|
724 |
|
---|
725 | /* error handling */
|
---|
726 | void *error_opaque;
|
---|
727 | void (*error_func)(void *opaque, const char *msg);
|
---|
728 | int error_set_jmp_enabled;
|
---|
729 | jmp_buf error_jmp_buf;
|
---|
730 | int nb_errors;
|
---|
731 |
|
---|
732 | /* output file for preprocessing (-E) */
|
---|
733 | FILE *ppfp;
|
---|
734 | enum {
|
---|
735 | LINE_MACRO_OUTPUT_FORMAT_GCC,
|
---|
736 | LINE_MACRO_OUTPUT_FORMAT_NONE,
|
---|
737 | LINE_MACRO_OUTPUT_FORMAT_STD,
|
---|
738 | LINE_MACRO_OUTPUT_FORMAT_P10 = 11
|
---|
739 | } Pflag; /* -P switch */
|
---|
740 | char dflag; /* -dX value */
|
---|
741 |
|
---|
742 | /* for -MD/-MF: collected dependencies for this compilation */
|
---|
743 | char **target_deps;
|
---|
744 | int nb_target_deps;
|
---|
745 |
|
---|
746 | /* compilation */
|
---|
747 | BufferedFile *include_stack[INCLUDE_STACK_SIZE];
|
---|
748 | BufferedFile **include_stack_ptr;
|
---|
749 |
|
---|
750 | int ifdef_stack[IFDEF_STACK_SIZE];
|
---|
751 | int *ifdef_stack_ptr;
|
---|
752 |
|
---|
753 | /* included files enclosed with #ifndef MACRO */
|
---|
754 | int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE];
|
---|
755 | CachedInclude **cached_includes;
|
---|
756 | int nb_cached_includes;
|
---|
757 |
|
---|
758 | /* #pragma pack stack */
|
---|
759 | int pack_stack[PACK_STACK_SIZE];
|
---|
760 | int *pack_stack_ptr;
|
---|
761 | char **pragma_libs;
|
---|
762 | int nb_pragma_libs;
|
---|
763 |
|
---|
764 | /* inline functions are stored as token lists and compiled last
|
---|
765 | only if referenced */
|
---|
766 | struct InlineFunc **inline_fns;
|
---|
767 | int nb_inline_fns;
|
---|
768 |
|
---|
769 | /* sections */
|
---|
770 | Section **sections;
|
---|
771 | int nb_sections; /* number of sections, including first dummy section */
|
---|
772 |
|
---|
773 | Section **priv_sections;
|
---|
774 | int nb_priv_sections; /* number of private sections */
|
---|
775 |
|
---|
776 | /* got & plt handling */
|
---|
777 | Section *got;
|
---|
778 | Section *plt;
|
---|
779 |
|
---|
780 | /* temporary dynamic symbol sections (for dll loading) */
|
---|
781 | Section *dynsymtab_section;
|
---|
782 | /* exported dynamic symbol section */
|
---|
783 | Section *dynsym;
|
---|
784 | /* copy of the global symtab_section variable */
|
---|
785 | Section *symtab;
|
---|
786 | /* extra attributes (eg. GOT/PLT value) for symtab symbols */
|
---|
787 | struct sym_attr *sym_attrs;
|
---|
788 | int nb_sym_attrs;
|
---|
789 |
|
---|
790 | #ifdef TCC_TARGET_PE
|
---|
791 | /* PE info */
|
---|
792 | int pe_subsystem;
|
---|
793 | unsigned pe_characteristics;
|
---|
794 | unsigned pe_file_align;
|
---|
795 | unsigned pe_stack_size;
|
---|
796 | addr_t pe_imagebase;
|
---|
797 | # ifdef TCC_TARGET_X86_64
|
---|
798 | Section *uw_pdata;
|
---|
799 | int uw_sym;
|
---|
800 | unsigned uw_offs;
|
---|
801 | # endif
|
---|
802 | #endif
|
---|
803 |
|
---|
804 | #ifdef TCC_IS_NATIVE
|
---|
805 | const char *runtime_main;
|
---|
806 | void **runtime_mem;
|
---|
807 | int nb_runtime_mem;
|
---|
808 | #endif
|
---|
809 |
|
---|
810 | /* used by main and tcc_parse_args only */
|
---|
811 | struct filespec **files; /* files seen on command line */
|
---|
812 | int nb_files; /* number thereof */
|
---|
813 | int nb_libraries; /* number of libs thereof */
|
---|
814 | int filetype;
|
---|
815 | char *outfile; /* output filename */
|
---|
816 | int option_r; /* option -r */
|
---|
817 | int do_bench; /* option -bench */
|
---|
818 | int gen_deps; /* option -MD */
|
---|
819 | char *deps_outfile; /* option -MF */
|
---|
820 | int option_pthread; /* -pthread option */
|
---|
821 | int argc;
|
---|
822 | char **argv;
|
---|
823 | };
|
---|
824 |
|
---|
825 | struct filespec {
|
---|
826 | char type;
|
---|
827 | char alacarte;
|
---|
828 | char name[1];
|
---|
829 | };
|
---|
830 |
|
---|
831 | /* The current value can be: */
|
---|
832 | #define VT_VALMASK 0x003f /* mask for value location, register or: */
|
---|
833 | #define VT_CONST 0x0030 /* constant in vc (must be first non register value) */
|
---|
834 | #define VT_LLOCAL 0x0031 /* lvalue, offset on stack */
|
---|
835 | #define VT_LOCAL 0x0032 /* offset on stack */
|
---|
836 | #define VT_CMP 0x0033 /* the value is stored in processor flags (in vc) */
|
---|
837 | #define VT_JMP 0x0034 /* value is the consequence of jmp true (even) */
|
---|
838 | #define VT_JMPI 0x0035 /* value is the consequence of jmp false (odd) */
|
---|
839 | #define VT_LVAL 0x0100 /* var is an lvalue */
|
---|
840 | #define VT_SYM 0x0200 /* a symbol value is added */
|
---|
841 | #define VT_MUSTCAST 0x0400 /* value must be casted to be correct (used for
|
---|
842 | char/short stored in integer registers) */
|
---|
843 | #define VT_MUSTBOUND 0x0800 /* bound checking must be done before
|
---|
844 | dereferencing value */
|
---|
845 | #define VT_BOUNDED 0x8000 /* value is bounded. The address of the
|
---|
846 | bounding function call point is in vc */
|
---|
847 | #define VT_LVAL_BYTE 0x1000 /* lvalue is a byte */
|
---|
848 | #define VT_LVAL_SHORT 0x2000 /* lvalue is a short */
|
---|
849 | #define VT_LVAL_UNSIGNED 0x4000 /* lvalue is unsigned */
|
---|
850 | #define VT_LVAL_TYPE (VT_LVAL_BYTE | VT_LVAL_SHORT | VT_LVAL_UNSIGNED)
|
---|
851 |
|
---|
852 | /* types */
|
---|
853 | #define VT_BTYPE 0x000f /* mask for basic type */
|
---|
854 | #define VT_VOID 0 /* void type */
|
---|
855 | #define VT_BYTE 1 /* signed byte type */
|
---|
856 | #define VT_SHORT 2 /* short type */
|
---|
857 | #define VT_INT 3 /* integer type */
|
---|
858 | #define VT_LLONG 4 /* 64 bit integer */
|
---|
859 | #define VT_PTR 5 /* pointer */
|
---|
860 | #define VT_FUNC 6 /* function type */
|
---|
861 | #define VT_STRUCT 7 /* struct/union definition */
|
---|
862 | #define VT_FLOAT 8 /* IEEE float */
|
---|
863 | #define VT_DOUBLE 9 /* IEEE double */
|
---|
864 | #define VT_LDOUBLE 10 /* IEEE long double */
|
---|
865 | #define VT_BOOL 11 /* ISOC99 boolean type */
|
---|
866 | #define VT_QLONG 13 /* 128-bit integer. Only used for x86-64 ABI */
|
---|
867 | #define VT_QFLOAT 14 /* 128-bit float. Only used for x86-64 ABI */
|
---|
868 |
|
---|
869 | #define VT_UNSIGNED 0x0010 /* unsigned type */
|
---|
870 | #define VT_DEFSIGN 0x0020 /* explicitly signed or unsigned */
|
---|
871 | #define VT_ARRAY 0x0040 /* array type (also has VT_PTR) */
|
---|
872 | #define VT_BITFIELD 0x0080 /* bitfield modifier */
|
---|
873 | #define VT_CONSTANT 0x0100 /* const modifier */
|
---|
874 | #define VT_VOLATILE 0x0200 /* volatile modifier */
|
---|
875 | #define VT_VLA 0x0400 /* VLA type (also has VT_PTR and VT_ARRAY) */
|
---|
876 | #define VT_LONG 0x0800 /* long type (also has VT_INT rsp. VT_LLONG) */
|
---|
877 |
|
---|
878 | /* storage */
|
---|
879 | #define VT_EXTERN 0x00001000 /* extern definition */
|
---|
880 | #define VT_STATIC 0x00002000 /* static variable */
|
---|
881 | #define VT_TYPEDEF 0x00004000 /* typedef definition */
|
---|
882 | #define VT_INLINE 0x00008000 /* inline definition */
|
---|
883 | /* currently unused: 0x000[1248]0000 */
|
---|
884 |
|
---|
885 | #define VT_STRUCT_SHIFT 20 /* shift for bitfield shift values (32 - 2*6) */
|
---|
886 | #define VT_STRUCT_MASK (((1 << (6+6)) - 1) << VT_STRUCT_SHIFT | VT_BITFIELD)
|
---|
887 | #define BIT_POS(t) (((t) >> VT_STRUCT_SHIFT) & 0x3f)
|
---|
888 | #define BIT_SIZE(t) (((t) >> (VT_STRUCT_SHIFT + 6)) & 0x3f)
|
---|
889 |
|
---|
890 | #define VT_UNION (1 << VT_STRUCT_SHIFT | VT_STRUCT)
|
---|
891 | #define VT_ENUM (2 << VT_STRUCT_SHIFT) /* integral type is an enum really */
|
---|
892 | #define VT_ENUM_VAL (3 << VT_STRUCT_SHIFT) /* integral type is an enum constant really */
|
---|
893 |
|
---|
894 | #define IS_ENUM(t) ((t & VT_STRUCT_MASK) == VT_ENUM)
|
---|
895 | #define IS_ENUM_VAL(t) ((t & VT_STRUCT_MASK) == VT_ENUM_VAL)
|
---|
896 | #define IS_UNION(t) ((t & (VT_STRUCT_MASK|VT_BTYPE)) == VT_UNION)
|
---|
897 |
|
---|
898 | /* type mask (except storage) */
|
---|
899 | #define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE)
|
---|
900 | #define VT_TYPE (~(VT_STORAGE|VT_STRUCT_MASK))
|
---|
901 |
|
---|
902 | /* symbol was created by tccasm.c first */
|
---|
903 | #define VT_ASM (VT_VOID | VT_UNSIGNED)
|
---|
904 | #define IS_ASM_SYM(sym) (((sym)->type.t & (VT_BTYPE | VT_ASM)) == VT_ASM)
|
---|
905 |
|
---|
906 | /* token values */
|
---|
907 |
|
---|
908 | /* warning: the following compare tokens depend on i386 asm code */
|
---|
909 | #define TOK_ULT 0x92
|
---|
910 | #define TOK_UGE 0x93
|
---|
911 | #define TOK_EQ 0x94
|
---|
912 | #define TOK_NE 0x95
|
---|
913 | #define TOK_ULE 0x96
|
---|
914 | #define TOK_UGT 0x97
|
---|
915 | #define TOK_Nset 0x98
|
---|
916 | #define TOK_Nclear 0x99
|
---|
917 | #define TOK_LT 0x9c
|
---|
918 | #define TOK_GE 0x9d
|
---|
919 | #define TOK_LE 0x9e
|
---|
920 | #define TOK_GT 0x9f
|
---|
921 |
|
---|
922 | #define TOK_LAND 0xa0
|
---|
923 | #define TOK_LOR 0xa1
|
---|
924 | #define TOK_DEC 0xa2
|
---|
925 | #define TOK_MID 0xa3 /* inc/dec, to void constant */
|
---|
926 | #define TOK_INC 0xa4
|
---|
927 | #define TOK_UDIV 0xb0 /* unsigned division */
|
---|
928 | #define TOK_UMOD 0xb1 /* unsigned modulo */
|
---|
929 | #define TOK_PDIV 0xb2 /* fast division with undefined rounding for pointers */
|
---|
930 |
|
---|
931 | /* tokens that carry values (in additional token string space / tokc) --> */
|
---|
932 | #define TOK_CCHAR 0xb3 /* char constant in tokc */
|
---|
933 | #define TOK_LCHAR 0xb4
|
---|
934 | #define TOK_CINT 0xb5 /* number in tokc */
|
---|
935 | #define TOK_CUINT 0xb6 /* unsigned int constant */
|
---|
936 | #define TOK_CLLONG 0xb7 /* long long constant */
|
---|
937 | #define TOK_CULLONG 0xb8 /* unsigned long long constant */
|
---|
938 | #define TOK_STR 0xb9 /* pointer to string in tokc */
|
---|
939 | #define TOK_LSTR 0xba
|
---|
940 | #define TOK_CFLOAT 0xbb /* float constant */
|
---|
941 | #define TOK_CDOUBLE 0xbc /* double constant */
|
---|
942 | #define TOK_CLDOUBLE 0xbd /* long double constant */
|
---|
943 | #define TOK_PPNUM 0xbe /* preprocessor number */
|
---|
944 | #define TOK_PPSTR 0xbf /* preprocessor string */
|
---|
945 | #define TOK_LINENUM 0xc0 /* line number info */
|
---|
946 | #define TOK_TWODOTS 0xa8 /* C++ token ? */
|
---|
947 | /* <-- */
|
---|
948 |
|
---|
949 | #define TOK_UMULL 0xc2 /* unsigned 32x32 -> 64 mul */
|
---|
950 | #define TOK_ADDC1 0xc3 /* add with carry generation */
|
---|
951 | #define TOK_ADDC2 0xc4 /* add with carry use */
|
---|
952 | #define TOK_SUBC1 0xc5 /* add with carry generation */
|
---|
953 | #define TOK_SUBC2 0xc6 /* add with carry use */
|
---|
954 | #define TOK_ARROW 0xc7
|
---|
955 | #define TOK_DOTS 0xc8 /* three dots */
|
---|
956 | #define TOK_SHR 0xc9 /* unsigned shift right */
|
---|
957 | #define TOK_TWOSHARPS 0xca /* ## preprocessing token */
|
---|
958 | #define TOK_PLCHLDR 0xcb /* placeholder token as defined in C99 */
|
---|
959 | #define TOK_NOSUBST 0xcc /* means following token has already been pp'd */
|
---|
960 | #define TOK_PPJOIN 0xcd /* A '##' in the right position to mean pasting */
|
---|
961 | #define TOK_CLONG 0xce /* long constant */
|
---|
962 | #define TOK_CULONG 0xcf /* unsigned long constant */
|
---|
963 |
|
---|
964 | #define TOK_SHL 0x01 /* shift left */
|
---|
965 | #define TOK_SAR 0x02 /* signed shift right */
|
---|
966 |
|
---|
967 | /* assignment operators : normal operator or 0x80 */
|
---|
968 | #define TOK_A_MOD 0xa5
|
---|
969 | #define TOK_A_AND 0xa6
|
---|
970 | #define TOK_A_MUL 0xaa
|
---|
971 | #define TOK_A_ADD 0xab
|
---|
972 | #define TOK_A_SUB 0xad
|
---|
973 | #define TOK_A_DIV 0xaf
|
---|
974 | #define TOK_A_XOR 0xde
|
---|
975 | #define TOK_A_OR 0xfc
|
---|
976 | #define TOK_A_SHL 0x81
|
---|
977 | #define TOK_A_SAR 0x82
|
---|
978 |
|
---|
979 | #define TOK_EOF (-1) /* end of file */
|
---|
980 | #define TOK_LINEFEED 10 /* line feed */
|
---|
981 |
|
---|
982 | /* all identifiers and strings have token above that */
|
---|
983 | #define TOK_IDENT 256
|
---|
984 |
|
---|
985 | #define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x)
|
---|
986 | #define TOK_ASM_int TOK_INT
|
---|
987 | #define DEF_ASMDIR(x) DEF(TOK_ASMDIR_ ## x, "." #x)
|
---|
988 | #define TOK_ASMDIR_FIRST TOK_ASMDIR_byte
|
---|
989 | #define TOK_ASMDIR_LAST TOK_ASMDIR_section
|
---|
990 |
|
---|
991 | #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
|
---|
992 | /* only used for i386 asm opcodes definitions */
|
---|
993 | #define DEF_BWL(x) \
|
---|
994 | DEF(TOK_ASM_ ## x ## b, #x "b") \
|
---|
995 | DEF(TOK_ASM_ ## x ## w, #x "w") \
|
---|
996 | DEF(TOK_ASM_ ## x ## l, #x "l") \
|
---|
997 | DEF(TOK_ASM_ ## x, #x)
|
---|
998 | #define DEF_WL(x) \
|
---|
999 | DEF(TOK_ASM_ ## x ## w, #x "w") \
|
---|
1000 | DEF(TOK_ASM_ ## x ## l, #x "l") \
|
---|
1001 | DEF(TOK_ASM_ ## x, #x)
|
---|
1002 | #ifdef TCC_TARGET_X86_64
|
---|
1003 | # define DEF_BWLQ(x) \
|
---|
1004 | DEF(TOK_ASM_ ## x ## b, #x "b") \
|
---|
1005 | DEF(TOK_ASM_ ## x ## w, #x "w") \
|
---|
1006 | DEF(TOK_ASM_ ## x ## l, #x "l") \
|
---|
1007 | DEF(TOK_ASM_ ## x ## q, #x "q") \
|
---|
1008 | DEF(TOK_ASM_ ## x, #x)
|
---|
1009 | # define DEF_WLQ(x) \
|
---|
1010 | DEF(TOK_ASM_ ## x ## w, #x "w") \
|
---|
1011 | DEF(TOK_ASM_ ## x ## l, #x "l") \
|
---|
1012 | DEF(TOK_ASM_ ## x ## q, #x "q") \
|
---|
1013 | DEF(TOK_ASM_ ## x, #x)
|
---|
1014 | # define DEF_BWLX DEF_BWLQ
|
---|
1015 | # define DEF_WLX DEF_WLQ
|
---|
1016 | /* number of sizes + 1 */
|
---|
1017 | # define NBWLX 5
|
---|
1018 | #else
|
---|
1019 | # define DEF_BWLX DEF_BWL
|
---|
1020 | # define DEF_WLX DEF_WL
|
---|
1021 | /* number of sizes + 1 */
|
---|
1022 | # define NBWLX 4
|
---|
1023 | #endif
|
---|
1024 |
|
---|
1025 | #define DEF_FP1(x) \
|
---|
1026 | DEF(TOK_ASM_ ## f ## x ## s, "f" #x "s") \
|
---|
1027 | DEF(TOK_ASM_ ## fi ## x ## l, "fi" #x "l") \
|
---|
1028 | DEF(TOK_ASM_ ## f ## x ## l, "f" #x "l") \
|
---|
1029 | DEF(TOK_ASM_ ## fi ## x ## s, "fi" #x "s")
|
---|
1030 |
|
---|
1031 | #define DEF_FP(x) \
|
---|
1032 | DEF(TOK_ASM_ ## f ## x, "f" #x ) \
|
---|
1033 | DEF(TOK_ASM_ ## f ## x ## p, "f" #x "p") \
|
---|
1034 | DEF_FP1(x)
|
---|
1035 |
|
---|
1036 | #define DEF_ASMTEST(x,suffix) \
|
---|
1037 | DEF_ASM(x ## o ## suffix) \
|
---|
1038 | DEF_ASM(x ## no ## suffix) \
|
---|
1039 | DEF_ASM(x ## b ## suffix) \
|
---|
1040 | DEF_ASM(x ## c ## suffix) \
|
---|
1041 | DEF_ASM(x ## nae ## suffix) \
|
---|
1042 | DEF_ASM(x ## nb ## suffix) \
|
---|
1043 | DEF_ASM(x ## nc ## suffix) \
|
---|
1044 | DEF_ASM(x ## ae ## suffix) \
|
---|
1045 | DEF_ASM(x ## e ## suffix) \
|
---|
1046 | DEF_ASM(x ## z ## suffix) \
|
---|
1047 | DEF_ASM(x ## ne ## suffix) \
|
---|
1048 | DEF_ASM(x ## nz ## suffix) \
|
---|
1049 | DEF_ASM(x ## be ## suffix) \
|
---|
1050 | DEF_ASM(x ## na ## suffix) \
|
---|
1051 | DEF_ASM(x ## nbe ## suffix) \
|
---|
1052 | DEF_ASM(x ## a ## suffix) \
|
---|
1053 | DEF_ASM(x ## s ## suffix) \
|
---|
1054 | DEF_ASM(x ## ns ## suffix) \
|
---|
1055 | DEF_ASM(x ## p ## suffix) \
|
---|
1056 | DEF_ASM(x ## pe ## suffix) \
|
---|
1057 | DEF_ASM(x ## np ## suffix) \
|
---|
1058 | DEF_ASM(x ## po ## suffix) \
|
---|
1059 | DEF_ASM(x ## l ## suffix) \
|
---|
1060 | DEF_ASM(x ## nge ## suffix) \
|
---|
1061 | DEF_ASM(x ## nl ## suffix) \
|
---|
1062 | DEF_ASM(x ## ge ## suffix) \
|
---|
1063 | DEF_ASM(x ## le ## suffix) \
|
---|
1064 | DEF_ASM(x ## ng ## suffix) \
|
---|
1065 | DEF_ASM(x ## nle ## suffix) \
|
---|
1066 | DEF_ASM(x ## g ## suffix)
|
---|
1067 |
|
---|
1068 | #endif /* defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 */
|
---|
1069 |
|
---|
1070 | enum tcc_token {
|
---|
1071 | TOK_LAST = TOK_IDENT - 1
|
---|
1072 | #define DEF(id, str) ,id
|
---|
1073 | #include "tcctok.h"
|
---|
1074 | #undef DEF
|
---|
1075 | };
|
---|
1076 |
|
---|
1077 | /* keywords: tok >= TOK_IDENT && tok < TOK_UIDENT */
|
---|
1078 | #define TOK_UIDENT TOK_DEFINE
|
---|
1079 |
|
---|
1080 | /* ------------ libtcc.c ------------ */
|
---|
1081 |
|
---|
1082 | /* use GNU C extensions */
|
---|
1083 | ST_DATA int gnu_ext;
|
---|
1084 | /* use Tiny C extensions */
|
---|
1085 | ST_DATA int tcc_ext;
|
---|
1086 | /* XXX: get rid of this ASAP */
|
---|
1087 | ST_DATA struct TCCState *tcc_state;
|
---|
1088 |
|
---|
1089 | /* public functions currently used by the tcc main function */
|
---|
1090 | ST_FUNC char *pstrcpy(char *buf, int buf_size, const char *s);
|
---|
1091 | ST_FUNC char *pstrcat(char *buf, int buf_size, const char *s);
|
---|
1092 | ST_FUNC char *pstrncpy(char *out, const char *in, size_t num);
|
---|
1093 | PUB_FUNC char *tcc_basename(const char *name);
|
---|
1094 | PUB_FUNC char *tcc_fileextension (const char *name);
|
---|
1095 |
|
---|
1096 | #ifndef MEM_DEBUG
|
---|
1097 | PUB_FUNC void tcc_free(void *ptr);
|
---|
1098 | PUB_FUNC void *tcc_malloc(unsigned long size);
|
---|
1099 | PUB_FUNC void *tcc_mallocz(unsigned long size);
|
---|
1100 | PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size);
|
---|
1101 | PUB_FUNC char *tcc_strdup(const char *str);
|
---|
1102 | #else
|
---|
1103 | #define tcc_free(ptr) tcc_free_debug(ptr)
|
---|
1104 | #define tcc_malloc(size) tcc_malloc_debug(size, __FILE__, __LINE__)
|
---|
1105 | #define tcc_mallocz(size) tcc_mallocz_debug(size, __FILE__, __LINE__)
|
---|
1106 | #define tcc_realloc(ptr,size) tcc_realloc_debug(ptr, size, __FILE__, __LINE__)
|
---|
1107 | #define tcc_strdup(str) tcc_strdup_debug(str, __FILE__, __LINE__)
|
---|
1108 | PUB_FUNC void tcc_free_debug(void *ptr);
|
---|
1109 | PUB_FUNC void *tcc_malloc_debug(unsigned long size, const char *file, int line);
|
---|
1110 | PUB_FUNC void *tcc_mallocz_debug(unsigned long size, const char *file, int line);
|
---|
1111 | PUB_FUNC void *tcc_realloc_debug(void *ptr, unsigned long size, const char *file, int line);
|
---|
1112 | PUB_FUNC char *tcc_strdup_debug(const char *str, const char *file, int line);
|
---|
1113 | #endif
|
---|
1114 |
|
---|
1115 | #define free(p) use_tcc_free(p)
|
---|
1116 | #define malloc(s) use_tcc_malloc(s)
|
---|
1117 | #define realloc(p, s) use_tcc_realloc(p, s)
|
---|
1118 | #undef strdup
|
---|
1119 | #define strdup(s) use_tcc_strdup(s)
|
---|
1120 | PUB_FUNC void tcc_memcheck(void);
|
---|
1121 | PUB_FUNC void tcc_error_noabort(const char *fmt, ...);
|
---|
1122 | PUB_FUNC NORETURN void tcc_error(const char *fmt, ...);
|
---|
1123 | PUB_FUNC void tcc_warning(const char *fmt, ...);
|
---|
1124 |
|
---|
1125 | /* other utilities */
|
---|
1126 | ST_FUNC void dynarray_add(void *ptab, int *nb_ptr, void *data);
|
---|
1127 | ST_FUNC void dynarray_reset(void *pp, int *n);
|
---|
1128 | ST_INLN void cstr_ccat(CString *cstr, int ch);
|
---|
1129 | ST_FUNC void cstr_cat(CString *cstr, const char *str, int len);
|
---|
1130 | ST_FUNC void cstr_wccat(CString *cstr, int ch);
|
---|
1131 | ST_FUNC void cstr_new(CString *cstr);
|
---|
1132 | ST_FUNC void cstr_free(CString *cstr);
|
---|
1133 | ST_FUNC void cstr_reset(CString *cstr);
|
---|
1134 |
|
---|
1135 | ST_INLN void sym_free(Sym *sym);
|
---|
1136 | ST_FUNC Sym *sym_push2(Sym **ps, int v, int t, int c);
|
---|
1137 | ST_FUNC Sym *sym_find2(Sym *s, int v);
|
---|
1138 | ST_FUNC Sym *sym_push(int v, CType *type, int r, int c);
|
---|
1139 | ST_FUNC void sym_pop(Sym **ptop, Sym *b, int keep);
|
---|
1140 | ST_INLN Sym *struct_find(int v);
|
---|
1141 | ST_INLN Sym *sym_find(int v);
|
---|
1142 | ST_FUNC Sym *global_identifier_push(int v, int t, int c);
|
---|
1143 |
|
---|
1144 | ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen);
|
---|
1145 | ST_FUNC int tcc_open(TCCState *s1, const char *filename);
|
---|
1146 | ST_FUNC void tcc_close(void);
|
---|
1147 |
|
---|
1148 | ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags);
|
---|
1149 | /* flags: */
|
---|
1150 | #define AFF_PRINT_ERROR 0x10 /* print error if file not found */
|
---|
1151 | #define AFF_REFERENCED_DLL 0x20 /* load a referenced dll from another dll */
|
---|
1152 | #define AFF_TYPE_BIN 0x40 /* file to add is binary */
|
---|
1153 | /* s->filetype: */
|
---|
1154 | #define AFF_TYPE_NONE 0
|
---|
1155 | #define AFF_TYPE_C 1
|
---|
1156 | #define AFF_TYPE_ASM 2
|
---|
1157 | #define AFF_TYPE_ASMPP 3
|
---|
1158 | #define AFF_TYPE_LIB 4
|
---|
1159 | /* values from tcc_object_type(...) */
|
---|
1160 | #define AFF_BINTYPE_REL 1
|
---|
1161 | #define AFF_BINTYPE_DYN 2
|
---|
1162 | #define AFF_BINTYPE_AR 3
|
---|
1163 | #define AFF_BINTYPE_C67 4
|
---|
1164 |
|
---|
1165 |
|
---|
1166 | ST_FUNC int tcc_add_crt(TCCState *s, const char *filename);
|
---|
1167 | ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags);
|
---|
1168 | ST_FUNC void tcc_add_pragma_libs(TCCState *s1);
|
---|
1169 | PUB_FUNC int tcc_add_library_err(TCCState *s, const char *f);
|
---|
1170 | PUB_FUNC void tcc_print_stats(TCCState *s, unsigned total_time);
|
---|
1171 | PUB_FUNC int tcc_parse_args(TCCState *s, int *argc, char ***argv, int optind);
|
---|
1172 | #ifdef _WIN32
|
---|
1173 | ST_FUNC char *normalize_slashes(char *path);
|
---|
1174 | #endif
|
---|
1175 |
|
---|
1176 | /* tcc_parse_args return codes: */
|
---|
1177 | #define OPT_HELP 1
|
---|
1178 | #define OPT_HELP2 2
|
---|
1179 | #define OPT_V 3
|
---|
1180 | #define OPT_PRINT_DIRS 4
|
---|
1181 | #define OPT_AR 5
|
---|
1182 | #define OPT_IMPDEF 6
|
---|
1183 | #define OPT_M32 32
|
---|
1184 | #define OPT_M64 64
|
---|
1185 |
|
---|
1186 | /* ------------ tccpp.c ------------ */
|
---|
1187 |
|
---|
1188 | ST_DATA struct BufferedFile *file;
|
---|
1189 | ST_DATA int ch, tok;
|
---|
1190 | ST_DATA CValue tokc;
|
---|
1191 | ST_DATA const int *macro_ptr;
|
---|
1192 | ST_DATA int parse_flags;
|
---|
1193 | ST_DATA int tok_flags;
|
---|
1194 | ST_DATA CString tokcstr; /* current parsed string, if any */
|
---|
1195 |
|
---|
1196 | /* display benchmark infos */
|
---|
1197 | ST_DATA int total_lines;
|
---|
1198 | ST_DATA int total_bytes;
|
---|
1199 | ST_DATA int tok_ident;
|
---|
1200 | ST_DATA TokenSym **table_ident;
|
---|
1201 |
|
---|
1202 | #define TOK_FLAG_BOL 0x0001 /* beginning of line before */
|
---|
1203 | #define TOK_FLAG_BOF 0x0002 /* beginning of file before */
|
---|
1204 | #define TOK_FLAG_ENDIF 0x0004 /* a endif was found matching starting #ifdef */
|
---|
1205 | #define TOK_FLAG_EOF 0x0008 /* end of file */
|
---|
1206 |
|
---|
1207 | #define PARSE_FLAG_PREPROCESS 0x0001 /* activate preprocessing */
|
---|
1208 | #define PARSE_FLAG_TOK_NUM 0x0002 /* return numbers instead of TOK_PPNUM */
|
---|
1209 | #define PARSE_FLAG_LINEFEED 0x0004 /* line feed is returned as a
|
---|
1210 | token. line feed is also
|
---|
1211 | returned at eof */
|
---|
1212 | #define PARSE_FLAG_ASM_FILE 0x0008 /* we processing an asm file: '#' can be used for line comment, etc. */
|
---|
1213 | #define PARSE_FLAG_SPACES 0x0010 /* next() returns space tokens (for -E) */
|
---|
1214 | #define PARSE_FLAG_ACCEPT_STRAYS 0x0020 /* next() returns '\\' token */
|
---|
1215 | #define PARSE_FLAG_TOK_STR 0x0040 /* return parsed strings instead of TOK_PPSTR */
|
---|
1216 |
|
---|
1217 | /* isidnum_table flags: */
|
---|
1218 | #define IS_SPC 1
|
---|
1219 | #define IS_ID 2
|
---|
1220 | #define IS_NUM 4
|
---|
1221 |
|
---|
1222 | ST_FUNC TokenSym *tok_alloc(const char *str, int len);
|
---|
1223 | ST_FUNC const char *get_tok_str(int v, CValue *cv);
|
---|
1224 | ST_FUNC void begin_macro(TokenString *str, int alloc);
|
---|
1225 | ST_FUNC void end_macro(void);
|
---|
1226 | ST_FUNC int set_idnum(int c, int val);
|
---|
1227 | ST_INLN void tok_str_new(TokenString *s);
|
---|
1228 | ST_FUNC TokenString *tok_str_alloc(void);
|
---|
1229 | ST_FUNC void tok_str_free(TokenString *s);
|
---|
1230 | ST_FUNC void tok_str_free_str(int *str);
|
---|
1231 | ST_FUNC void tok_str_add(TokenString *s, int t);
|
---|
1232 | ST_FUNC void tok_str_add_tok(TokenString *s);
|
---|
1233 | ST_INLN void define_push(int v, int macro_type, int *str, Sym *first_arg);
|
---|
1234 | ST_FUNC void define_undef(Sym *s);
|
---|
1235 | ST_INLN Sym *define_find(int v);
|
---|
1236 | ST_FUNC void free_defines(Sym *b);
|
---|
1237 | ST_FUNC Sym *label_find(int v);
|
---|
1238 | ST_FUNC Sym *label_push(Sym **ptop, int v, int flags);
|
---|
1239 | ST_FUNC void label_pop(Sym **ptop, Sym *slast, int keep);
|
---|
1240 | ST_FUNC void parse_define(void);
|
---|
1241 | ST_FUNC void preprocess(int is_bof);
|
---|
1242 | ST_FUNC void next_nomacro(void);
|
---|
1243 | ST_FUNC void next(void);
|
---|
1244 | ST_INLN void unget_tok(int last_tok);
|
---|
1245 | ST_FUNC void preprocess_start(TCCState *s1, int is_asm);
|
---|
1246 | ST_FUNC void preprocess_end(TCCState *s1);
|
---|
1247 | ST_FUNC void tccpp_new(TCCState *s);
|
---|
1248 | ST_FUNC void tccpp_delete(TCCState *s);
|
---|
1249 | ST_FUNC int tcc_preprocess(TCCState *s1);
|
---|
1250 | ST_FUNC void skip(int c);
|
---|
1251 | ST_FUNC NORETURN void expect(const char *msg);
|
---|
1252 |
|
---|
1253 | /* space excluding newline */
|
---|
1254 | static inline int is_space(int ch) {
|
---|
1255 | return ch == ' ' || ch == '\t' || ch == '\v' || ch == '\f' || ch == '\r';
|
---|
1256 | }
|
---|
1257 | static inline int isid(int c) {
|
---|
1258 | return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_';
|
---|
1259 | }
|
---|
1260 | static inline int isnum(int c) {
|
---|
1261 | return c >= '0' && c <= '9';
|
---|
1262 | }
|
---|
1263 | static inline int isoct(int c) {
|
---|
1264 | return c >= '0' && c <= '7';
|
---|
1265 | }
|
---|
1266 | static inline int toup(int c) {
|
---|
1267 | return (c >= 'a' && c <= 'z') ? c - 'a' + 'A' : c;
|
---|
1268 | }
|
---|
1269 |
|
---|
1270 | /* ------------ tccgen.c ------------ */
|
---|
1271 |
|
---|
1272 | #define SYM_POOL_NB (8192 / sizeof(Sym))
|
---|
1273 | ST_DATA Sym *sym_free_first;
|
---|
1274 | ST_DATA void **sym_pools;
|
---|
1275 | ST_DATA int nb_sym_pools;
|
---|
1276 |
|
---|
1277 | ST_DATA Sym *global_stack;
|
---|
1278 | ST_DATA Sym *local_stack;
|
---|
1279 | ST_DATA Sym *local_label_stack;
|
---|
1280 | ST_DATA Sym *global_label_stack;
|
---|
1281 | ST_DATA Sym *define_stack;
|
---|
1282 | ST_DATA CType char_pointer_type, func_old_type, int_type, size_type;
|
---|
1283 | ST_DATA SValue __vstack[1+/*to make bcheck happy*/ VSTACK_SIZE], *vtop, *pvtop;
|
---|
1284 | #define vstack (__vstack + 1)
|
---|
1285 | ST_DATA int rsym, anon_sym, ind, loc;
|
---|
1286 |
|
---|
1287 | ST_DATA int const_wanted; /* true if constant wanted */
|
---|
1288 | ST_DATA int nocode_wanted; /* true if no code generation wanted for an expression */
|
---|
1289 | ST_DATA int global_expr; /* true if compound literals must be allocated globally (used during initializers parsing */
|
---|
1290 | ST_DATA CType func_vt; /* current function return type (used by return instruction) */
|
---|
1291 | ST_DATA int func_var; /* true if current function is variadic */
|
---|
1292 | ST_DATA int func_vc;
|
---|
1293 | ST_DATA int last_line_num, last_ind, func_ind; /* debug last line number and pc */
|
---|
1294 | ST_DATA const char *funcname;
|
---|
1295 | ST_DATA int g_debug;
|
---|
1296 |
|
---|
1297 | ST_FUNC void tcc_debug_start(TCCState *s1);
|
---|
1298 | ST_FUNC void tcc_debug_end(TCCState *s1);
|
---|
1299 | ST_FUNC void tcc_debug_funcstart(TCCState *s1, Sym *sym);
|
---|
1300 | ST_FUNC void tcc_debug_funcend(TCCState *s1, int size);
|
---|
1301 | ST_FUNC void tcc_debug_line(TCCState *s1);
|
---|
1302 |
|
---|
1303 | ST_FUNC int tccgen_compile(TCCState *s1);
|
---|
1304 | ST_FUNC void free_inline_functions(TCCState *s);
|
---|
1305 | ST_FUNC void check_vstack(void);
|
---|
1306 |
|
---|
1307 | ST_INLN int is_float(int t);
|
---|
1308 | ST_FUNC int ieee_finite(double d);
|
---|
1309 | ST_FUNC void test_lvalue(void);
|
---|
1310 | ST_FUNC void vpushi(int v);
|
---|
1311 | ST_FUNC ElfSym *elfsym(Sym *);
|
---|
1312 | ST_FUNC void update_storage(Sym *sym);
|
---|
1313 | ST_FUNC Sym *external_global_sym(int v, CType *type, int r);
|
---|
1314 | ST_FUNC void vset(CType *type, int r, int v);
|
---|
1315 | ST_FUNC void vswap(void);
|
---|
1316 | ST_FUNC void vpush_global_sym(CType *type, int v);
|
---|
1317 | ST_FUNC void vrote(SValue *e, int n);
|
---|
1318 | ST_FUNC void vrott(int n);
|
---|
1319 | ST_FUNC void vrotb(int n);
|
---|
1320 | #ifdef TCC_TARGET_ARM
|
---|
1321 | ST_FUNC int get_reg_ex(int rc, int rc2);
|
---|
1322 | ST_FUNC void lexpand_nr(void);
|
---|
1323 | #endif
|
---|
1324 | ST_FUNC void vpushv(SValue *v);
|
---|
1325 | ST_FUNC void save_reg(int r);
|
---|
1326 | ST_FUNC void save_reg_upstack(int r, int n);
|
---|
1327 | ST_FUNC int get_reg(int rc);
|
---|
1328 | ST_FUNC void save_regs(int n);
|
---|
1329 | ST_FUNC void gaddrof(void);
|
---|
1330 | ST_FUNC int gv(int rc);
|
---|
1331 | ST_FUNC void gv2(int rc1, int rc2);
|
---|
1332 | ST_FUNC void vpop(void);
|
---|
1333 | ST_FUNC void gen_op(int op);
|
---|
1334 | ST_FUNC int type_size(CType *type, int *a);
|
---|
1335 | ST_FUNC void mk_pointer(CType *type);
|
---|
1336 | ST_FUNC void vstore(void);
|
---|
1337 | ST_FUNC void inc(int post, int c);
|
---|
1338 | ST_FUNC void parse_mult_str (CString *astr, const char *msg);
|
---|
1339 | ST_FUNC void parse_asm_str(CString *astr);
|
---|
1340 | ST_FUNC int lvalue_type(int t);
|
---|
1341 | ST_FUNC void indir(void);
|
---|
1342 | ST_FUNC void unary(void);
|
---|
1343 | ST_FUNC void expr_prod(void);
|
---|
1344 | ST_FUNC void expr_sum(void);
|
---|
1345 | ST_FUNC void gexpr(void);
|
---|
1346 | ST_FUNC int expr_const(void);
|
---|
1347 | #if defined CONFIG_TCC_BCHECK || defined TCC_TARGET_C67
|
---|
1348 | ST_FUNC Sym *get_sym_ref(CType *type, Section *sec, unsigned long offset, unsigned long size);
|
---|
1349 | #endif
|
---|
1350 | #if defined TCC_TARGET_X86_64 && !defined TCC_TARGET_PE
|
---|
1351 | ST_FUNC int classify_x86_64_va_arg(CType *ty);
|
---|
1352 | #endif
|
---|
1353 |
|
---|
1354 | /* ------------ tccelf.c ------------ */
|
---|
1355 |
|
---|
1356 | #define TCC_OUTPUT_FORMAT_ELF 0 /* default output format: ELF */
|
---|
1357 | #define TCC_OUTPUT_FORMAT_BINARY 1 /* binary image output */
|
---|
1358 | #define TCC_OUTPUT_FORMAT_COFF 2 /* COFF */
|
---|
1359 |
|
---|
1360 | #define ARMAG "!<arch>\012" /* For COFF and a.out archives */
|
---|
1361 |
|
---|
1362 | typedef struct {
|
---|
1363 | unsigned int n_strx; /* index into string table of name */
|
---|
1364 | unsigned char n_type; /* type of symbol */
|
---|
1365 | unsigned char n_other; /* misc info (usually empty) */
|
---|
1366 | unsigned short n_desc; /* description field */
|
---|
1367 | unsigned int n_value; /* value of symbol */
|
---|
1368 | } Stab_Sym;
|
---|
1369 |
|
---|
1370 | ST_DATA Section *text_section, *data_section, *bss_section; /* predefined sections */
|
---|
1371 | ST_DATA Section *common_section;
|
---|
1372 | ST_DATA Section *cur_text_section; /* current section where function code is generated */
|
---|
1373 | #ifdef CONFIG_TCC_ASM
|
---|
1374 | ST_DATA Section *last_text_section; /* to handle .previous asm directive */
|
---|
1375 | #endif
|
---|
1376 | #ifdef CONFIG_TCC_BCHECK
|
---|
1377 | /* bound check related sections */
|
---|
1378 | ST_DATA Section *bounds_section; /* contains global data bound description */
|
---|
1379 | ST_DATA Section *lbounds_section; /* contains local data bound description */
|
---|
1380 | ST_FUNC void tccelf_bounds_new(TCCState *s);
|
---|
1381 | #endif
|
---|
1382 | /* symbol sections */
|
---|
1383 | ST_DATA Section *symtab_section;
|
---|
1384 | /* debug sections */
|
---|
1385 | ST_DATA Section *stab_section, *stabstr_section;
|
---|
1386 |
|
---|
1387 | ST_FUNC void tccelf_new(TCCState *s);
|
---|
1388 | ST_FUNC void tccelf_delete(TCCState *s);
|
---|
1389 | ST_FUNC void tccelf_stab_new(TCCState *s);
|
---|
1390 | ST_FUNC void tccelf_begin_file(TCCState *s1);
|
---|
1391 | ST_FUNC void tccelf_end_file(TCCState *s1);
|
---|
1392 |
|
---|
1393 | ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags);
|
---|
1394 | ST_FUNC void section_realloc(Section *sec, unsigned long new_size);
|
---|
1395 | ST_FUNC size_t section_add(Section *sec, addr_t size, int align);
|
---|
1396 | ST_FUNC void *section_ptr_add(Section *sec, addr_t size);
|
---|
1397 | ST_FUNC void section_reserve(Section *sec, unsigned long size);
|
---|
1398 | ST_FUNC Section *find_section(TCCState *s1, const char *name);
|
---|
1399 | ST_FUNC Section *new_symtab(TCCState *s1, const char *symtab_name, int sh_type, int sh_flags, const char *strtab_name, const char *hash_name, int hash_sh_flags);
|
---|
1400 |
|
---|
1401 | ST_FUNC void put_extern_sym2(Sym *sym, int sh_num, addr_t value, unsigned long size, int can_add_underscore);
|
---|
1402 | ST_FUNC void put_extern_sym(Sym *sym, Section *section, addr_t value, unsigned long size);
|
---|
1403 | #if PTR_SIZE == 4
|
---|
1404 | ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type);
|
---|
1405 | #endif
|
---|
1406 | ST_FUNC void greloca(Section *s, Sym *sym, unsigned long offset, int type, addr_t addend);
|
---|
1407 |
|
---|
1408 | ST_FUNC int put_elf_str(Section *s, const char *sym);
|
---|
1409 | ST_FUNC int put_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name);
|
---|
1410 | ST_FUNC int set_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name);
|
---|
1411 | ST_FUNC int find_elf_sym(Section *s, const char *name);
|
---|
1412 | ST_FUNC void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, int type, int symbol);
|
---|
1413 | ST_FUNC void put_elf_reloca(Section *symtab, Section *s, unsigned long offset, int type, int symbol, addr_t addend);
|
---|
1414 |
|
---|
1415 | ST_FUNC void put_stabs(const char *str, int type, int other, int desc, unsigned long value);
|
---|
1416 | ST_FUNC void put_stabs_r(const char *str, int type, int other, int desc, unsigned long value, Section *sec, int sym_index);
|
---|
1417 | ST_FUNC void put_stabn(int type, int other, int desc, int value);
|
---|
1418 | ST_FUNC void put_stabd(int type, int other, int desc);
|
---|
1419 |
|
---|
1420 | ST_FUNC void resolve_common_syms(TCCState *s1);
|
---|
1421 | ST_FUNC void relocate_syms(TCCState *s1, Section *symtab, int do_resolve);
|
---|
1422 | ST_FUNC void relocate_section(TCCState *s1, Section *s);
|
---|
1423 |
|
---|
1424 | ST_FUNC int tcc_object_type(int fd, ElfW(Ehdr) *h);
|
---|
1425 | ST_FUNC int tcc_load_object_file(TCCState *s1, int fd, unsigned long file_offset);
|
---|
1426 | ST_FUNC int tcc_load_archive(TCCState *s1, int fd);
|
---|
1427 | ST_FUNC void tcc_add_bcheck(TCCState *s1);
|
---|
1428 | ST_FUNC void tcc_add_runtime(TCCState *s1);
|
---|
1429 |
|
---|
1430 | ST_FUNC void build_got_entries(TCCState *s1);
|
---|
1431 | ST_FUNC struct sym_attr *get_sym_attr(TCCState *s1, int index, int alloc);
|
---|
1432 | ST_FUNC void squeeze_multi_relocs(Section *sec, size_t oldrelocoffset);
|
---|
1433 |
|
---|
1434 | ST_FUNC addr_t get_elf_sym_addr(TCCState *s, const char *name, int err);
|
---|
1435 | #if defined TCC_IS_NATIVE || defined TCC_TARGET_PE
|
---|
1436 | ST_FUNC void *tcc_get_symbol_err(TCCState *s, const char *name);
|
---|
1437 | #endif
|
---|
1438 |
|
---|
1439 | #ifndef TCC_TARGET_PE
|
---|
1440 | ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level);
|
---|
1441 | ST_FUNC int tcc_load_ldscript(TCCState *s1);
|
---|
1442 | ST_FUNC uint8_t *parse_comment(uint8_t *p);
|
---|
1443 | ST_FUNC void minp(void);
|
---|
1444 | ST_INLN void inp(void);
|
---|
1445 | ST_FUNC int handle_eob(void);
|
---|
1446 | #endif
|
---|
1447 |
|
---|
1448 | /* ------------ xxx-link.c ------------ */
|
---|
1449 |
|
---|
1450 | /* Whether to generate a GOT/PLT entry and when. NO_GOTPLT_ENTRY is first so
|
---|
1451 | that unknown relocation don't create a GOT or PLT entry */
|
---|
1452 | enum gotplt_entry {
|
---|
1453 | NO_GOTPLT_ENTRY, /* never generate (eg. GLOB_DAT & JMP_SLOT relocs) */
|
---|
1454 | BUILD_GOT_ONLY, /* only build GOT (eg. TPOFF relocs) */
|
---|
1455 | AUTO_GOTPLT_ENTRY, /* generate if sym is UNDEF */
|
---|
1456 | ALWAYS_GOTPLT_ENTRY /* always generate (eg. PLTOFF relocs) */
|
---|
1457 | };
|
---|
1458 |
|
---|
1459 | ST_FUNC int code_reloc (int reloc_type);
|
---|
1460 | ST_FUNC int gotplt_entry_type (int reloc_type);
|
---|
1461 | ST_FUNC unsigned create_plt_entry(TCCState *s1, unsigned got_offset, struct sym_attr *attr);
|
---|
1462 | ST_FUNC void relocate_init(Section *sr);
|
---|
1463 | ST_FUNC void relocate(TCCState *s1, ElfW_Rel *rel, int type, unsigned char *ptr, addr_t addr, addr_t val);
|
---|
1464 | ST_FUNC void relocate_plt(TCCState *s1);
|
---|
1465 |
|
---|
1466 | /* ------------ xxx-gen.c ------------ */
|
---|
1467 |
|
---|
1468 | ST_DATA const int reg_classes[NB_REGS];
|
---|
1469 |
|
---|
1470 | ST_FUNC void gsym_addr(int t, int a);
|
---|
1471 | ST_FUNC void gsym(int t);
|
---|
1472 | ST_FUNC void load(int r, SValue *sv);
|
---|
1473 | ST_FUNC void store(int r, SValue *v);
|
---|
1474 | ST_FUNC int gfunc_sret(CType *vt, int variadic, CType *ret, int *align, int *regsize);
|
---|
1475 | ST_FUNC void gfunc_call(int nb_args);
|
---|
1476 | ST_FUNC void gfunc_prolog(CType *func_type);
|
---|
1477 | ST_FUNC void gfunc_epilog(void);
|
---|
1478 | ST_FUNC int gjmp(int t);
|
---|
1479 | ST_FUNC void gjmp_addr(int a);
|
---|
1480 | ST_FUNC int gtst(int inv, int t);
|
---|
1481 | #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
|
---|
1482 | ST_FUNC void gtst_addr(int inv, int a);
|
---|
1483 | #else
|
---|
1484 | #define gtst_addr(inv, a) gsym_addr(gtst(inv, 0), a)
|
---|
1485 | #endif
|
---|
1486 | ST_FUNC void gen_opi(int op);
|
---|
1487 | ST_FUNC void gen_opf(int op);
|
---|
1488 | ST_FUNC void gen_cvt_ftoi(int t);
|
---|
1489 | ST_FUNC void gen_cvt_ftof(int t);
|
---|
1490 | ST_FUNC void ggoto(void);
|
---|
1491 | #ifndef TCC_TARGET_C67
|
---|
1492 | ST_FUNC void o(unsigned int c);
|
---|
1493 | #endif
|
---|
1494 | #ifndef TCC_TARGET_ARM
|
---|
1495 | ST_FUNC void gen_cvt_itof(int t);
|
---|
1496 | #endif
|
---|
1497 | ST_FUNC void gen_vla_sp_save(int addr);
|
---|
1498 | ST_FUNC void gen_vla_sp_restore(int addr);
|
---|
1499 | ST_FUNC void gen_vla_alloc(CType *type, int align);
|
---|
1500 |
|
---|
1501 | static inline uint16_t read16le(unsigned char *p) {
|
---|
1502 | return p[0] | (uint16_t)p[1] << 8;
|
---|
1503 | }
|
---|
1504 | static inline void write16le(unsigned char *p, uint16_t x) {
|
---|
1505 | p[0] = x & 255; p[1] = x >> 8 & 255;
|
---|
1506 | }
|
---|
1507 | static inline uint32_t read32le(unsigned char *p) {
|
---|
1508 | return read16le(p) | (uint32_t)read16le(p + 2) << 16;
|
---|
1509 | }
|
---|
1510 | static inline void write32le(unsigned char *p, uint32_t x) {
|
---|
1511 | write16le(p, x); write16le(p + 2, x >> 16);
|
---|
1512 | }
|
---|
1513 | static inline void add32le(unsigned char *p, int32_t x) {
|
---|
1514 | write32le(p, read32le(p) + x);
|
---|
1515 | }
|
---|
1516 | static inline uint64_t read64le(unsigned char *p) {
|
---|
1517 | return read32le(p) | (uint64_t)read32le(p + 4) << 32;
|
---|
1518 | }
|
---|
1519 | static inline void write64le(unsigned char *p, uint64_t x) {
|
---|
1520 | write32le(p, x); write32le(p + 4, x >> 32);
|
---|
1521 | }
|
---|
1522 | static inline void add64le(unsigned char *p, int64_t x) {
|
---|
1523 | write64le(p, read64le(p) + x);
|
---|
1524 | }
|
---|
1525 |
|
---|
1526 | /* ------------ i386-gen.c ------------ */
|
---|
1527 | #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
|
---|
1528 | ST_FUNC void g(int c);
|
---|
1529 | ST_FUNC void gen_le16(int c);
|
---|
1530 | ST_FUNC void gen_le32(int c);
|
---|
1531 | ST_FUNC void gen_addr32(int r, Sym *sym, int c);
|
---|
1532 | ST_FUNC void gen_addrpc32(int r, Sym *sym, int c);
|
---|
1533 | #endif
|
---|
1534 |
|
---|
1535 | #ifdef CONFIG_TCC_BCHECK
|
---|
1536 | ST_FUNC void gen_bounded_ptr_add(void);
|
---|
1537 | ST_FUNC void gen_bounded_ptr_deref(void);
|
---|
1538 | #endif
|
---|
1539 |
|
---|
1540 | /* ------------ x86_64-gen.c ------------ */
|
---|
1541 | #ifdef TCC_TARGET_X86_64
|
---|
1542 | ST_FUNC void gen_addr64(int r, Sym *sym, int64_t c);
|
---|
1543 | ST_FUNC void gen_opl(int op);
|
---|
1544 | #ifdef TCC_TARGET_PE
|
---|
1545 | ST_FUNC void gen_vla_result(int addr);
|
---|
1546 | #endif
|
---|
1547 | #endif
|
---|
1548 |
|
---|
1549 | /* ------------ arm-gen.c ------------ */
|
---|
1550 | #ifdef TCC_TARGET_ARM
|
---|
1551 | #if defined(TCC_ARM_EABI) && !defined(CONFIG_TCC_ELFINTERP)
|
---|
1552 | PUB_FUNC const char *default_elfinterp(struct TCCState *s);
|
---|
1553 | #endif
|
---|
1554 | ST_FUNC void arm_init(struct TCCState *s);
|
---|
1555 | ST_FUNC void gen_cvt_itof1(int t);
|
---|
1556 | #endif
|
---|
1557 |
|
---|
1558 | /* ------------ arm64-gen.c ------------ */
|
---|
1559 | #ifdef TCC_TARGET_ARM64
|
---|
1560 | ST_FUNC void gen_cvt_sxtw(void);
|
---|
1561 | ST_FUNC void gen_opl(int op);
|
---|
1562 | ST_FUNC void gfunc_return(CType *func_type);
|
---|
1563 | ST_FUNC void gen_va_start(void);
|
---|
1564 | ST_FUNC void gen_va_arg(CType *t);
|
---|
1565 | ST_FUNC void gen_clear_cache(void);
|
---|
1566 | #endif
|
---|
1567 |
|
---|
1568 | /* ------------ c67-gen.c ------------ */
|
---|
1569 | #ifdef TCC_TARGET_C67
|
---|
1570 | #endif
|
---|
1571 |
|
---|
1572 | /* ------------ tcccoff.c ------------ */
|
---|
1573 |
|
---|
1574 | #ifdef TCC_TARGET_COFF
|
---|
1575 | ST_FUNC int tcc_output_coff(TCCState *s1, FILE *f);
|
---|
1576 | ST_FUNC int tcc_load_coff(TCCState * s1, int fd);
|
---|
1577 | #endif
|
---|
1578 |
|
---|
1579 | /* ------------ tccasm.c ------------ */
|
---|
1580 | ST_FUNC void asm_instr(void);
|
---|
1581 | ST_FUNC void asm_global_instr(void);
|
---|
1582 | #ifdef CONFIG_TCC_ASM
|
---|
1583 | ST_FUNC int find_constraint(ASMOperand *operands, int nb_operands, const char *name, const char **pp);
|
---|
1584 | ST_FUNC Sym* get_asm_sym(int name, Sym *csym);
|
---|
1585 | ST_FUNC void asm_expr(TCCState *s1, ExprValue *pe);
|
---|
1586 | ST_FUNC int asm_int_expr(TCCState *s1);
|
---|
1587 | ST_FUNC int tcc_assemble(TCCState *s1, int do_preprocess);
|
---|
1588 | /* ------------ i386-asm.c ------------ */
|
---|
1589 | ST_FUNC void gen_expr32(ExprValue *pe);
|
---|
1590 | #ifdef TCC_TARGET_X86_64
|
---|
1591 | ST_FUNC void gen_expr64(ExprValue *pe);
|
---|
1592 | #endif
|
---|
1593 | ST_FUNC void asm_opcode(TCCState *s1, int opcode);
|
---|
1594 | ST_FUNC int asm_parse_regvar(int t);
|
---|
1595 | ST_FUNC void asm_compute_constraints(ASMOperand *operands, int nb_operands, int nb_outputs, const uint8_t *clobber_regs, int *pout_reg);
|
---|
1596 | ST_FUNC void subst_asm_operand(CString *add_str, SValue *sv, int modifier);
|
---|
1597 | ST_FUNC void asm_gen_code(ASMOperand *operands, int nb_operands, int nb_outputs, int is_output, uint8_t *clobber_regs, int out_reg);
|
---|
1598 | ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str);
|
---|
1599 | #endif
|
---|
1600 |
|
---|
1601 | /* ------------ tccpe.c -------------- */
|
---|
1602 | #ifdef TCC_TARGET_PE
|
---|
1603 | ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd);
|
---|
1604 | ST_FUNC int pe_output_file(TCCState * s1, const char *filename);
|
---|
1605 | ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, addr_t value);
|
---|
1606 | #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
|
---|
1607 | ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2);
|
---|
1608 | #endif
|
---|
1609 | #ifdef TCC_TARGET_X86_64
|
---|
1610 | ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack);
|
---|
1611 | #endif
|
---|
1612 | PUB_FUNC int tcc_get_dllexports(const char *filename, char **pp);
|
---|
1613 | /* symbol properties stored in Elf32_Sym->st_other */
|
---|
1614 | # define ST_PE_EXPORT 0x10
|
---|
1615 | # define ST_PE_IMPORT 0x20
|
---|
1616 | # define ST_PE_STDCALL 0x40
|
---|
1617 | #endif
|
---|
1618 | #define ST_ASM_SET 0x04
|
---|
1619 |
|
---|
1620 | /* ------------ tccrun.c ----------------- */
|
---|
1621 | #ifdef TCC_IS_NATIVE
|
---|
1622 | #ifdef CONFIG_TCC_STATIC
|
---|
1623 | #define RTLD_LAZY 0x001
|
---|
1624 | #define RTLD_NOW 0x002
|
---|
1625 | #define RTLD_GLOBAL 0x100
|
---|
1626 | #define RTLD_DEFAULT NULL
|
---|
1627 | /* dummy function for profiling */
|
---|
1628 | ST_FUNC void *dlopen(const char *filename, int flag);
|
---|
1629 | ST_FUNC void dlclose(void *p);
|
---|
1630 | ST_FUNC const char *dlerror(void);
|
---|
1631 | ST_FUNC void *dlsym(void *handle, const char *symbol);
|
---|
1632 | #endif
|
---|
1633 | #ifdef CONFIG_TCC_BACKTRACE
|
---|
1634 | ST_DATA int rt_num_callers;
|
---|
1635 | ST_DATA const char **rt_bound_error_msg;
|
---|
1636 | ST_DATA void *rt_prog_main;
|
---|
1637 | ST_FUNC void tcc_set_num_callers(int n);
|
---|
1638 | #endif
|
---|
1639 | ST_FUNC void tcc_run_free(TCCState *s1);
|
---|
1640 | #endif
|
---|
1641 |
|
---|
1642 | /* ------------ tcctools.c ----------------- */
|
---|
1643 | #if 0 /* included in tcc.c */
|
---|
1644 | ST_FUNC int tcc_tool_ar(TCCState *s, int argc, char **argv);
|
---|
1645 | #ifdef TCC_TARGET_PE
|
---|
1646 | ST_FUNC int tcc_tool_impdef(TCCState *s, int argc, char **argv);
|
---|
1647 | #endif
|
---|
1648 | ST_FUNC void tcc_tool_cross(TCCState *s, char **argv, int option);
|
---|
1649 | ST_FUNC void gen_makedeps(TCCState *s, const char *target, const char *filename);
|
---|
1650 | #endif
|
---|
1651 |
|
---|
1652 | /********************************************************/
|
---|
1653 | #undef ST_DATA
|
---|
1654 | #if ONE_SOURCE
|
---|
1655 | #define ST_DATA static
|
---|
1656 | #else
|
---|
1657 | #define ST_DATA
|
---|
1658 | #endif
|
---|
1659 | /********************************************************/
|
---|
1660 | #endif /* _TCC_H */
|
---|