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Rev | Author | Line No. | Line |
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6429 | siemargl | 1 | /* |
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 | |||
21 | #include "tcc.h" |
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22 | |||
23 | /********************************************************/ |
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24 | /* global variables */ |
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25 | |||
26 | /* use GNU C extensions */ |
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27 | ST_DATA int gnu_ext = 1; |
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28 | |||
29 | /* use TinyCC extensions */ |
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30 | ST_DATA int tcc_ext = 1; |
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31 | |||
32 | /* XXX: get rid of this ASAP */ |
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33 | ST_DATA struct TCCState *tcc_state; |
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34 | |||
35 | /********************************************************/ |
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36 | |||
37 | #ifdef ONE_SOURCE |
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38 | #include "tccpp.c" |
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39 | #include "tccgen.c" |
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40 | #include "tccelf.c" |
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41 | #ifdef TCC_IS_NATIVE |
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42 | # include "tccrun.c" |
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43 | #endif |
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44 | #ifdef TCC_TARGET_I386 |
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45 | #include "i386-gen.c" |
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46 | #endif |
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47 | #ifdef TCC_TARGET_ARM |
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48 | #include "arm-gen.c" |
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49 | #endif |
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50 | #ifdef TCC_TARGET_ARM64 |
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51 | #include "arm64-gen.c" |
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52 | #endif |
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53 | #ifdef TCC_TARGET_C67 |
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54 | #include "c67-gen.c" |
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55 | #endif |
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56 | #ifdef TCC_TARGET_X86_64 |
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57 | #include "x86_64-gen.c" |
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58 | #endif |
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59 | #ifdef CONFIG_TCC_ASM |
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60 | #include "tccasm.c" |
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61 | #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 |
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62 | #include "i386-asm.c" |
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63 | #endif |
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64 | #endif |
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65 | #ifdef TCC_TARGET_COFF |
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66 | #include "tcccoff.c" |
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67 | #endif |
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68 | #if defined(TCC_TARGET_PE) || defined(TCC_TARGET_MEOS) |
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69 | #include "tccpe.c" |
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70 | #endif |
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71 | #ifdef TCC_TARGET_MEOS |
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72 | #include "tccmeos.c" |
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73 | #endif |
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74 | |||
75 | #endif /* ONE_SOURCE */ |
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76 | |||
77 | /********************************************************/ |
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78 | #ifndef CONFIG_TCC_ASM |
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79 | ST_FUNC void asm_instr(void) |
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80 | { |
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81 | tcc_error("inline asm() not supported"); |
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82 | } |
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83 | ST_FUNC void asm_global_instr(void) |
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84 | { |
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85 | tcc_error("inline asm() not supported"); |
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86 | } |
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87 | #endif |
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88 | |||
89 | /********************************************************/ |
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90 | #ifdef _WIN32 |
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91 | static char *normalize_slashes(char *path) |
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92 | { |
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93 | char *p; |
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94 | for (p = path; *p; ++p) |
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95 | if (*p == '\\') |
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96 | *p = '/'; |
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97 | return path; |
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98 | } |
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99 | |||
100 | static HMODULE tcc_module; |
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101 | |||
102 | /* on win32, we suppose the lib and includes are at the location of 'tcc.exe' */ |
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103 | static void tcc_set_lib_path_w32(TCCState *s) |
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104 | { |
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105 | char path[1024], *p; |
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106 | GetModuleFileNameA(tcc_module, path, sizeof path); |
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107 | p = tcc_basename(normalize_slashes(strlwr(path))); |
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108 | if (p - 5 > path && 0 == strncmp(p - 5, "/bin/", 5)) |
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109 | p -= 5; |
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110 | else if (p > path) |
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111 | p--; |
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112 | *p = 0; |
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113 | tcc_set_lib_path(s, path); |
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114 | } |
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115 | |||
116 | #ifdef TCC_TARGET_PE |
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117 | static void tcc_add_systemdir(TCCState *s) |
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118 | { |
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119 | char buf[1000]; |
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120 | GetSystemDirectory(buf, sizeof buf); |
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121 | tcc_add_library_path(s, normalize_slashes(buf)); |
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122 | } |
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123 | #endif |
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124 | |||
125 | #ifndef CONFIG_TCC_STATIC |
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126 | void dlclose(void *p) |
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127 | { |
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128 | FreeLibrary((HMODULE)p); |
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129 | } |
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130 | #endif |
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131 | |||
132 | #ifdef LIBTCC_AS_DLL |
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133 | BOOL WINAPI DllMain (HINSTANCE hDll, DWORD dwReason, LPVOID lpReserved) |
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134 | { |
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135 | if (DLL_PROCESS_ATTACH == dwReason) |
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136 | tcc_module = hDll; |
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137 | return TRUE; |
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138 | } |
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139 | #endif |
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140 | #endif |
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141 | |||
142 | /********************************************************/ |
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143 | /* copy a string and truncate it. */ |
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144 | PUB_FUNC char *pstrcpy(char *buf, int buf_size, const char *s) |
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145 | { |
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146 | char *q, *q_end; |
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147 | int c; |
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148 | |||
149 | if (buf_size > 0) { |
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150 | q = buf; |
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151 | q_end = buf + buf_size - 1; |
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152 | while (q < q_end) { |
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153 | c = *s++; |
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154 | if (c == '\0') |
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155 | break; |
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156 | *q++ = c; |
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157 | } |
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158 | *q = '\0'; |
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159 | } |
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160 | return buf; |
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161 | } |
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162 | |||
163 | /* strcat and truncate. */ |
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164 | PUB_FUNC char *pstrcat(char *buf, int buf_size, const char *s) |
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165 | { |
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166 | int len; |
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167 | len = strlen(buf); |
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168 | if (len < buf_size) |
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169 | pstrcpy(buf + len, buf_size - len, s); |
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170 | return buf; |
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171 | } |
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172 | |||
173 | PUB_FUNC char *pstrncpy(char *out, const char *in, size_t num) |
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174 | { |
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175 | memcpy(out, in, num); |
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176 | out[num] = '\0'; |
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177 | return out; |
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178 | } |
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179 | |||
180 | /* extract the basename of a file */ |
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181 | PUB_FUNC char *tcc_basename(const char *name) |
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182 | { |
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183 | char *p = strchr(name, 0); |
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184 | while (p > name && !IS_DIRSEP(p[-1])) |
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185 | --p; |
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186 | return p; |
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187 | } |
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188 | |||
189 | /* extract extension part of a file |
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190 | * |
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191 | * (if no extension, return pointer to end-of-string) |
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192 | */ |
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193 | PUB_FUNC char *tcc_fileextension (const char *name) |
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194 | { |
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195 | char *b = tcc_basename(name); |
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196 | char *e = strrchr(b, '.'); |
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197 | return e ? e : strchr(b, 0); |
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198 | } |
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199 | |||
200 | /********************************************************/ |
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201 | /* memory management */ |
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202 | |||
203 | #undef free |
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204 | #undef malloc |
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205 | #undef realloc |
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206 | |||
207 | #ifndef MEM_DEBUG |
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208 | |||
209 | PUB_FUNC void tcc_free(void *ptr) |
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210 | { |
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211 | free(ptr); |
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212 | } |
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213 | |||
214 | PUB_FUNC void *tcc_malloc(unsigned long size) |
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215 | { |
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216 | void *ptr; |
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217 | ptr = malloc(size); |
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218 | if (!ptr && size) |
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219 | tcc_error("memory full (malloc)"); |
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220 | return ptr; |
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221 | } |
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222 | |||
223 | PUB_FUNC void *tcc_mallocz(unsigned long size) |
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224 | { |
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225 | void *ptr; |
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226 | ptr = tcc_malloc(size); |
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227 | memset(ptr, 0, size); |
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228 | return ptr; |
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229 | } |
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230 | |||
231 | PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size) |
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232 | { |
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233 | void *ptr1; |
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234 | ptr1 = realloc(ptr, size); |
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235 | if (!ptr1 && size) |
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236 | tcc_error("memory full (realloc)"); |
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237 | return ptr1; |
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238 | } |
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239 | |||
240 | PUB_FUNC char *tcc_strdup(const char *str) |
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241 | { |
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242 | char *ptr; |
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243 | ptr = tcc_malloc(strlen(str) + 1); |
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244 | strcpy(ptr, str); |
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245 | return ptr; |
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246 | } |
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247 | |||
248 | PUB_FUNC void tcc_memstats(int bench) |
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249 | { |
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250 | } |
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251 | |||
252 | #else |
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253 | |||
254 | #define MEM_DEBUG_MAGIC1 0xFEEDDEB1 |
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255 | #define MEM_DEBUG_MAGIC2 0xFEEDDEB2 |
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256 | #define MEM_DEBUG_FILE_LEN 15 |
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257 | |||
258 | struct mem_debug_header { |
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259 | size_t magic1; |
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260 | size_t size; |
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261 | struct mem_debug_header *prev; |
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262 | struct mem_debug_header *next; |
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263 | size_t line_num; |
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264 | char file_name[MEM_DEBUG_FILE_LEN + 1]; |
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265 | size_t magic2; |
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266 | }; |
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267 | |||
268 | typedef struct mem_debug_header mem_debug_header_t; |
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269 | |||
270 | static mem_debug_header_t *mem_debug_chain; |
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271 | static size_t mem_cur_size; |
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272 | static size_t mem_max_size; |
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273 | |||
274 | PUB_FUNC void *tcc_malloc_debug(unsigned long size, const char *file, int line) |
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275 | { |
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276 | void *ptr; |
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277 | int ofs; |
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278 | |||
279 | mem_debug_header_t *header; |
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280 | |||
281 | ptr = malloc(sizeof(mem_debug_header_t) + size); |
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282 | if (!ptr) |
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283 | tcc_error("memory full (malloc)"); |
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284 | |||
285 | mem_cur_size += size; |
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286 | if (mem_cur_size > mem_max_size) |
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287 | mem_max_size = mem_cur_size; |
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288 | |||
289 | header = (mem_debug_header_t *)ptr; |
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290 | |||
291 | header->magic1 = MEM_DEBUG_MAGIC1; |
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292 | header->magic2 = MEM_DEBUG_MAGIC2; |
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293 | header->size = size; |
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294 | header->line_num = line; |
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295 | |||
296 | ofs = strlen(file) - MEM_DEBUG_FILE_LEN; |
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297 | strncpy(header->file_name, file + (ofs > 0 ? ofs : 0), MEM_DEBUG_FILE_LEN); |
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298 | header->file_name[MEM_DEBUG_FILE_LEN] = 0; |
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299 | |||
300 | header->next = mem_debug_chain; |
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301 | header->prev = NULL; |
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302 | |||
303 | if (header->next) |
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304 | header->next->prev = header; |
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305 | |||
306 | mem_debug_chain = header; |
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307 | |||
308 | ptr = (char *)ptr + sizeof(mem_debug_header_t); |
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309 | return ptr; |
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310 | } |
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311 | |||
312 | PUB_FUNC void tcc_free_debug(void *ptr) |
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313 | { |
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314 | mem_debug_header_t *header; |
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315 | |||
316 | if (!ptr) |
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317 | return; |
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318 | |||
319 | ptr = (char *)ptr - sizeof(mem_debug_header_t); |
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320 | header = (mem_debug_header_t *)ptr; |
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321 | if (header->magic1 != MEM_DEBUG_MAGIC1 || |
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322 | header->magic2 != MEM_DEBUG_MAGIC2 || |
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323 | header->size == (size_t)-1 ) |
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324 | { |
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325 | tcc_error("tcc_free check failed"); |
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326 | } |
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327 | |||
328 | mem_cur_size -= header->size; |
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329 | header->size = (size_t)-1; |
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6441 | siemargl | 330 | |
6429 | siemargl | 331 | if (header->next) |
332 | header->next->prev = header->prev; |
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333 | |||
334 | if (header->prev) |
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335 | header->prev->next = header->next; |
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336 | |||
337 | if (header == mem_debug_chain) |
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338 | mem_debug_chain = header->next; |
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339 | |||
340 | free(ptr); |
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341 | } |
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342 | |||
343 | |||
344 | PUB_FUNC void *tcc_mallocz_debug(unsigned long size, const char *file, int line) |
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345 | { |
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346 | void *ptr; |
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347 | ptr = tcc_malloc_debug(size,file,line); |
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348 | memset(ptr, 0, size); |
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349 | return ptr; |
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350 | } |
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351 | |||
352 | PUB_FUNC void *tcc_realloc_debug(void *ptr, unsigned long size, const char *file, int line) |
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353 | { |
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354 | mem_debug_header_t *header; |
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355 | int mem_debug_chain_update = 0; |
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356 | |||
357 | if (!ptr) { |
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358 | ptr = tcc_malloc_debug(size, file, line); |
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359 | return ptr; |
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360 | } |
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361 | |||
362 | ptr = (char *)ptr - sizeof(mem_debug_header_t); |
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363 | header = (mem_debug_header_t *)ptr; |
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364 | if (header->magic1 != MEM_DEBUG_MAGIC1 || |
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365 | header->magic2 != MEM_DEBUG_MAGIC2 || |
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366 | header->size == (size_t)-1 ) |
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367 | { |
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368 | check_error: |
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369 | tcc_error("tcc_realloc check failed"); |
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370 | } |
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371 | |||
372 | mem_debug_chain_update = (header == mem_debug_chain); |
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373 | |||
374 | mem_cur_size -= header->size; |
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375 | ptr = realloc(ptr, sizeof(mem_debug_header_t) + size); |
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376 | if (!ptr) |
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377 | tcc_error("memory full (realloc)"); |
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378 | |||
379 | header = (mem_debug_header_t *)ptr; |
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380 | if (header->magic1 != MEM_DEBUG_MAGIC1 || |
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381 | header->magic2 != MEM_DEBUG_MAGIC2) |
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382 | { |
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383 | goto check_error; |
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384 | } |
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385 | |||
386 | mem_cur_size += size; |
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387 | if (mem_cur_size > mem_max_size) |
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388 | mem_max_size = mem_cur_size; |
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389 | |||
390 | header->size = size; |
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391 | if (header->next) |
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392 | header->next->prev = header; |
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393 | |||
394 | if (header->prev) |
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395 | header->prev->next = header; |
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396 | |||
397 | if (mem_debug_chain_update) |
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398 | mem_debug_chain = header; |
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399 | |||
400 | ptr = (char *)ptr + sizeof(mem_debug_header_t); |
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401 | return ptr; |
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402 | } |
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403 | |||
404 | PUB_FUNC char *tcc_strdup_debug(const char *str, const char *file, int line) |
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405 | { |
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406 | char *ptr; |
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407 | ptr = tcc_malloc_debug(strlen(str) + 1, file, line); |
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408 | strcpy(ptr, str); |
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409 | return ptr; |
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410 | } |
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411 | |||
412 | PUB_FUNC void tcc_memstats(int bench) |
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413 | { |
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414 | if (mem_cur_size) { |
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415 | mem_debug_header_t *header = mem_debug_chain; |
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416 | |||
417 | fprintf(stderr, "MEM_DEBUG: mem_leak= %d bytes, mem_max_size= %d bytes\n", |
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418 | mem_cur_size, mem_max_size); |
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419 | |||
420 | while (header) { |
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421 | fprintf(stderr, " file %s, line %u: %u bytes\n", |
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422 | header->file_name, header->line_num, header->size); |
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423 | header = header->next; |
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424 | } |
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425 | } |
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426 | else if (bench) |
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427 | fprintf(stderr, "mem_max_size= %d bytes\n", mem_max_size); |
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428 | } |
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429 | |||
430 | #undef MEM_DEBUG_MAGIC1 |
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431 | #undef MEM_DEBUG_MAGIC2 |
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432 | #undef MEM_DEBUG_FILE_LEN |
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433 | |||
434 | #endif |
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435 | |||
436 | #define free(p) use_tcc_free(p) |
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437 | #define malloc(s) use_tcc_malloc(s) |
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438 | #define realloc(p, s) use_tcc_realloc(p, s) |
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439 | |||
440 | /********************************************************/ |
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441 | /* dynarrays */ |
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442 | |||
443 | ST_FUNC void dynarray_add(void ***ptab, int *nb_ptr, void *data) |
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444 | { |
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445 | int nb, nb_alloc; |
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446 | void **pp; |
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447 | |||
448 | nb = *nb_ptr; |
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449 | pp = *ptab; |
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450 | /* every power of two we double array size */ |
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451 | if ((nb & (nb - 1)) == 0) { |
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452 | if (!nb) |
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453 | nb_alloc = 1; |
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454 | else |
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455 | nb_alloc = nb * 2; |
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456 | pp = tcc_realloc(pp, nb_alloc * sizeof(void *)); |
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457 | *ptab = pp; |
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458 | } |
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459 | pp[nb++] = data; |
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460 | *nb_ptr = nb; |
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461 | } |
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462 | |||
463 | ST_FUNC void dynarray_reset(void *pp, int *n) |
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464 | { |
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465 | void **p; |
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466 | for (p = *(void***)pp; *n; ++p, --*n) |
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467 | if (*p) |
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468 | tcc_free(*p); |
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469 | tcc_free(*(void**)pp); |
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470 | *(void**)pp = NULL; |
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471 | } |
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472 | |||
473 | static void tcc_split_path(TCCState *s, void ***p_ary, int *p_nb_ary, const char *in) |
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474 | { |
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475 | const char *p; |
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476 | do { |
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477 | int c; |
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478 | CString str; |
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479 | |||
480 | cstr_new(&str); |
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481 | for (p = in; c = *p, c != '\0' && c != PATHSEP; ++p) { |
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482 | if (c == '{' && p[1] && p[2] == '}') { |
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483 | c = p[1], p += 2; |
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484 | if (c == 'B') |
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485 | cstr_cat(&str, s->tcc_lib_path, -1); |
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486 | } else { |
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487 | cstr_ccat(&str, c); |
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488 | } |
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489 | } |
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490 | cstr_ccat(&str, '\0'); |
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491 | dynarray_add(p_ary, p_nb_ary, tcc_strdup(str.data)); |
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492 | cstr_free(&str); |
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493 | in = p+1; |
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494 | } while (*p); |
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495 | } |
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496 | |||
497 | /********************************************************/ |
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498 | |||
499 | ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags) |
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500 | { |
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501 | Section *sec; |
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502 | |||
503 | sec = tcc_mallocz(sizeof(Section) + strlen(name)); |
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504 | strcpy(sec->name, name); |
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505 | sec->sh_type = sh_type; |
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506 | sec->sh_flags = sh_flags; |
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507 | switch(sh_type) { |
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508 | case SHT_HASH: |
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509 | case SHT_REL: |
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510 | case SHT_RELA: |
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511 | case SHT_DYNSYM: |
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512 | case SHT_SYMTAB: |
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513 | case SHT_DYNAMIC: |
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514 | sec->sh_addralign = 4; |
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515 | break; |
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516 | case SHT_STRTAB: |
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517 | sec->sh_addralign = 1; |
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518 | break; |
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519 | default: |
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520 | sec->sh_addralign = PTR_SIZE; /* gcc/pcc default aligment */ |
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521 | break; |
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522 | } |
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523 | |||
524 | if (sh_flags & SHF_PRIVATE) { |
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525 | dynarray_add((void ***)&s1->priv_sections, &s1->nb_priv_sections, sec); |
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526 | } else { |
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527 | sec->sh_num = s1->nb_sections; |
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528 | dynarray_add((void ***)&s1->sections, &s1->nb_sections, sec); |
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529 | } |
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530 | |||
531 | return sec; |
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532 | } |
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533 | |||
534 | static void free_section(Section *s) |
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535 | { |
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536 | tcc_free(s->data); |
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537 | } |
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538 | |||
539 | /* realloc section and set its content to zero */ |
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540 | ST_FUNC void section_realloc(Section *sec, unsigned long new_size) |
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541 | { |
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542 | unsigned long size; |
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543 | unsigned char *data; |
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544 | |||
545 | size = sec->data_allocated; |
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546 | if (size == 0) |
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547 | size = 1; |
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548 | while (size < new_size) |
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549 | size = size * 2; |
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550 | data = tcc_realloc(sec->data, size); |
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551 | memset(data + sec->data_allocated, 0, size - sec->data_allocated); |
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552 | sec->data = data; |
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553 | sec->data_allocated = size; |
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554 | } |
||
555 | |||
556 | /* reserve at least 'size' bytes in section 'sec' from |
||
557 | sec->data_offset. */ |
||
558 | ST_FUNC void *section_ptr_add(Section *sec, addr_t size) |
||
559 | { |
||
560 | size_t offset, offset1; |
||
561 | |||
562 | offset = sec->data_offset; |
||
563 | offset1 = offset + size; |
||
564 | if (offset1 > sec->data_allocated) |
||
565 | section_realloc(sec, offset1); |
||
566 | sec->data_offset = offset1; |
||
567 | return sec->data + offset; |
||
568 | } |
||
569 | |||
570 | /* reserve at least 'size' bytes from section start */ |
||
571 | ST_FUNC void section_reserve(Section *sec, unsigned long size) |
||
572 | { |
||
573 | if (size > sec->data_allocated) |
||
574 | section_realloc(sec, size); |
||
575 | if (size > sec->data_offset) |
||
576 | sec->data_offset = size; |
||
577 | } |
||
578 | |||
579 | /* return a reference to a section, and create it if it does not |
||
580 | exists */ |
||
581 | ST_FUNC Section *find_section(TCCState *s1, const char *name) |
||
582 | { |
||
583 | Section *sec; |
||
584 | int i; |
||
585 | for(i = 1; i < s1->nb_sections; i++) { |
||
586 | sec = s1->sections[i]; |
||
587 | if (!strcmp(name, sec->name)) |
||
588 | return sec; |
||
589 | } |
||
590 | /* sections are created as PROGBITS */ |
||
591 | return new_section(s1, name, SHT_PROGBITS, SHF_ALLOC); |
||
592 | } |
||
593 | |||
594 | /* update sym->c so that it points to an external symbol in section |
||
595 | 'section' with value 'value' */ |
||
596 | ST_FUNC void put_extern_sym2(Sym *sym, Section *section, |
||
597 | addr_t value, unsigned long size, |
||
598 | int can_add_underscore) |
||
599 | { |
||
600 | int sym_type, sym_bind, sh_num, info, other; |
||
601 | ElfW(Sym) *esym; |
||
602 | const char *name; |
||
603 | char buf1[256]; |
||
604 | |||
605 | #ifdef CONFIG_TCC_BCHECK |
||
606 | char buf[32]; |
||
607 | #endif |
||
608 | |||
609 | if (section == NULL) |
||
610 | sh_num = SHN_UNDEF; |
||
611 | else if (section == SECTION_ABS) |
||
612 | sh_num = SHN_ABS; |
||
613 | else |
||
614 | sh_num = section->sh_num; |
||
615 | |||
616 | if ((sym->type.t & VT_BTYPE) == VT_FUNC) { |
||
617 | sym_type = STT_FUNC; |
||
618 | } else if ((sym->type.t & VT_BTYPE) == VT_VOID) { |
||
619 | sym_type = STT_NOTYPE; |
||
620 | } else { |
||
621 | sym_type = STT_OBJECT; |
||
622 | } |
||
623 | |||
624 | if (sym->type.t & VT_STATIC) |
||
625 | sym_bind = STB_LOCAL; |
||
626 | else { |
||
627 | if (sym->type.t & VT_WEAK) |
||
628 | sym_bind = STB_WEAK; |
||
629 | else |
||
630 | sym_bind = STB_GLOBAL; |
||
631 | } |
||
632 | |||
633 | if (!sym->c) { |
||
634 | name = get_tok_str(sym->v, NULL); |
||
635 | #ifdef CONFIG_TCC_BCHECK |
||
636 | if (tcc_state->do_bounds_check) { |
||
637 | /* XXX: avoid doing that for statics ? */ |
||
638 | /* if bound checking is activated, we change some function |
||
639 | names by adding the "__bound" prefix */ |
||
640 | switch(sym->v) { |
||
641 | #ifdef TCC_TARGET_PE |
||
642 | /* XXX: we rely only on malloc hooks */ |
||
643 | case TOK_malloc: |
||
644 | case TOK_free: |
||
645 | case TOK_realloc: |
||
646 | case TOK_memalign: |
||
647 | case TOK_calloc: |
||
648 | #endif |
||
649 | case TOK_memcpy: |
||
650 | case TOK_memmove: |
||
651 | case TOK_memset: |
||
652 | case TOK_strlen: |
||
653 | case TOK_strcpy: |
||
654 | case TOK_alloca: |
||
655 | strcpy(buf, "__bound_"); |
||
656 | strcat(buf, name); |
||
657 | name = buf; |
||
658 | break; |
||
659 | } |
||
660 | } |
||
661 | #endif |
||
662 | other = 0; |
||
663 | |||
664 | #ifdef TCC_TARGET_PE |
||
665 | if (sym->type.t & VT_EXPORT) |
||
666 | other |= ST_PE_EXPORT; |
||
667 | if (sym_type == STT_FUNC && sym->type.ref) { |
||
668 | Sym *ref = sym->type.ref; |
||
669 | if (ref->a.func_export) |
||
670 | other |= ST_PE_EXPORT; |
||
671 | if (ref->a.func_call == FUNC_STDCALL && can_add_underscore) { |
||
672 | sprintf(buf1, "_%s@%d", name, ref->a.func_args * PTR_SIZE); |
||
673 | name = buf1; |
||
674 | other |= ST_PE_STDCALL; |
||
675 | can_add_underscore = 0; |
||
676 | } |
||
677 | } else { |
||
678 | if (find_elf_sym(tcc_state->dynsymtab_section, name)) |
||
679 | other |= ST_PE_IMPORT; |
||
680 | if (sym->type.t & VT_IMPORT) |
||
681 | other |= ST_PE_IMPORT; |
||
682 | } |
||
683 | #else |
||
684 | if (! (sym->type.t & VT_STATIC)) |
||
685 | other = (sym->type.t & VT_VIS_MASK) >> VT_VIS_SHIFT; |
||
686 | #endif |
||
687 | if (tcc_state->leading_underscore && can_add_underscore) { |
||
688 | buf1[0] = '_'; |
||
689 | pstrcpy(buf1 + 1, sizeof(buf1) - 1, name); |
||
690 | name = buf1; |
||
691 | } |
||
692 | if (sym->asm_label) { |
||
693 | name = get_tok_str(sym->asm_label, NULL); |
||
694 | } |
||
695 | info = ELFW(ST_INFO)(sym_bind, sym_type); |
||
696 | sym->c = add_elf_sym(symtab_section, value, size, info, other, sh_num, name); |
||
697 | } else { |
||
698 | esym = &((ElfW(Sym) *)symtab_section->data)[sym->c]; |
||
699 | esym->st_value = value; |
||
700 | esym->st_size = size; |
||
701 | esym->st_shndx = sh_num; |
||
702 | } |
||
703 | } |
||
704 | |||
705 | ST_FUNC void put_extern_sym(Sym *sym, Section *section, |
||
706 | addr_t value, unsigned long size) |
||
707 | { |
||
708 | put_extern_sym2(sym, section, value, size, 1); |
||
709 | } |
||
710 | |||
711 | /* add a new relocation entry to symbol 'sym' in section 's' */ |
||
712 | ST_FUNC void greloca(Section *s, Sym *sym, unsigned long offset, int type, |
||
713 | addr_t addend) |
||
714 | { |
||
715 | int c = 0; |
||
716 | if (sym) { |
||
717 | if (0 == sym->c) |
||
718 | put_extern_sym(sym, NULL, 0, 0); |
||
719 | c = sym->c; |
||
720 | } |
||
721 | /* now we can add ELF relocation info */ |
||
722 | put_elf_reloca(symtab_section, s, offset, type, c, addend); |
||
723 | } |
||
724 | |||
725 | ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type) |
||
726 | { |
||
727 | greloca(s, sym, offset, type, 0); |
||
728 | } |
||
729 | |||
730 | /********************************************************/ |
||
731 | |||
732 | static void strcat_vprintf(char *buf, int buf_size, const char *fmt, va_list ap) |
||
733 | { |
||
734 | int len; |
||
735 | len = strlen(buf); |
||
736 | vsnprintf(buf + len, buf_size - len, fmt, ap); |
||
737 | } |
||
738 | |||
739 | static void strcat_printf(char *buf, int buf_size, const char *fmt, ...) |
||
740 | { |
||
741 | va_list ap; |
||
742 | va_start(ap, fmt); |
||
743 | strcat_vprintf(buf, buf_size, fmt, ap); |
||
744 | va_end(ap); |
||
745 | } |
||
746 | |||
747 | static void error1(TCCState *s1, int is_warning, const char *fmt, va_list ap) |
||
748 | { |
||
749 | char buf[2048]; |
||
750 | BufferedFile **pf, *f; |
||
751 | |||
752 | buf[0] = '\0'; |
||
753 | /* use upper file if inline ":asm:" or token ":paste:" */ |
||
754 | for (f = file; f && f->filename[0] == ':'; f = f->prev) |
||
755 | ; |
||
756 | if (f) { |
||
757 | for(pf = s1->include_stack; pf < s1->include_stack_ptr; pf++) |
||
758 | strcat_printf(buf, sizeof(buf), "In file included from %s:%d:\n", |
||
759 | (*pf)->filename, (*pf)->line_num); |
||
760 | if (f->line_num > 0) { |
||
761 | strcat_printf(buf, sizeof(buf), "%s:%d: ", |
||
762 | f->filename, f->line_num); |
||
763 | } else { |
||
764 | strcat_printf(buf, sizeof(buf), "%s: ", |
||
765 | f->filename); |
||
766 | } |
||
767 | } else { |
||
768 | strcat_printf(buf, sizeof(buf), "tcc: "); |
||
769 | } |
||
770 | if (is_warning) |
||
771 | strcat_printf(buf, sizeof(buf), "warning: "); |
||
772 | else |
||
773 | strcat_printf(buf, sizeof(buf), "error: "); |
||
774 | strcat_vprintf(buf, sizeof(buf), fmt, ap); |
||
775 | |||
776 | if (!s1->error_func) { |
||
777 | /* default case: stderr */ |
||
778 | if (s1->ppfp) /* print a newline during tcc -E */ |
||
779 | fprintf(s1->ppfp, "\n"), fflush(s1->ppfp); |
||
780 | fprintf(stderr, "%s\n", buf); |
||
781 | fflush(stderr); /* print error/warning now (win32) */ |
||
782 | } else { |
||
783 | s1->error_func(s1->error_opaque, buf); |
||
784 | } |
||
785 | if (!is_warning || s1->warn_error) |
||
786 | s1->nb_errors++; |
||
787 | } |
||
788 | |||
789 | LIBTCCAPI void tcc_set_error_func(TCCState *s, void *error_opaque, |
||
790 | void (*error_func)(void *opaque, const char *msg)) |
||
791 | { |
||
792 | s->error_opaque = error_opaque; |
||
793 | s->error_func = error_func; |
||
794 | } |
||
795 | |||
796 | /* error without aborting current compilation */ |
||
797 | PUB_FUNC void tcc_error_noabort(const char *fmt, ...) |
||
798 | { |
||
799 | TCCState *s1 = tcc_state; |
||
800 | va_list ap; |
||
801 | |||
802 | va_start(ap, fmt); |
||
803 | error1(s1, 0, fmt, ap); |
||
804 | va_end(ap); |
||
805 | } |
||
806 | |||
807 | PUB_FUNC void tcc_error(const char *fmt, ...) |
||
808 | { |
||
809 | TCCState *s1 = tcc_state; |
||
810 | va_list ap; |
||
811 | |||
812 | va_start(ap, fmt); |
||
813 | error1(s1, 0, fmt, ap); |
||
814 | va_end(ap); |
||
815 | /* better than nothing: in some cases, we accept to handle errors */ |
||
816 | if (s1->error_set_jmp_enabled) { |
||
817 | longjmp(s1->error_jmp_buf, 1); |
||
818 | } else { |
||
819 | /* XXX: eliminate this someday */ |
||
820 | exit(1); |
||
821 | } |
||
822 | } |
||
823 | |||
824 | PUB_FUNC void tcc_warning(const char *fmt, ...) |
||
825 | { |
||
826 | TCCState *s1 = tcc_state; |
||
827 | va_list ap; |
||
828 | |||
829 | if (s1->warn_none) |
||
830 | return; |
||
831 | |||
832 | va_start(ap, fmt); |
||
833 | error1(s1, 1, fmt, ap); |
||
834 | va_end(ap); |
||
835 | } |
||
836 | |||
837 | /********************************************************/ |
||
838 | /* I/O layer */ |
||
839 | |||
840 | ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen) |
||
841 | { |
||
842 | BufferedFile *bf; |
||
843 | int buflen = initlen ? initlen : IO_BUF_SIZE; |
||
844 | |||
845 | bf = tcc_mallocz(sizeof(BufferedFile) + buflen); |
||
846 | bf->buf_ptr = bf->buffer; |
||
847 | bf->buf_end = bf->buffer + initlen; |
||
848 | bf->buf_end[0] = CH_EOB; /* put eob symbol */ |
||
849 | pstrcpy(bf->filename, sizeof(bf->filename), filename); |
||
850 | #ifdef _WIN32 |
||
851 | normalize_slashes(bf->filename); |
||
852 | #endif |
||
853 | bf->line_num = 1; |
||
854 | bf->ifdef_stack_ptr = s1->ifdef_stack_ptr; |
||
855 | bf->fd = -1; |
||
856 | bf->prev = file; |
||
857 | file = bf; |
||
858 | } |
||
859 | |||
860 | ST_FUNC void tcc_close(void) |
||
861 | { |
||
862 | BufferedFile *bf = file; |
||
863 | if (bf->fd > 0) { |
||
864 | close(bf->fd); |
||
865 | total_lines += bf->line_num; |
||
866 | } |
||
867 | file = bf->prev; |
||
868 | tcc_free(bf); |
||
869 | } |
||
870 | |||
871 | ST_FUNC int tcc_open(TCCState *s1, const char *filename) |
||
872 | { |
||
873 | int fd; |
||
874 | if (strcmp(filename, "-") == 0) |
||
875 | fd = 0, filename = " |
||
876 | else |
||
877 | fd = open(filename, O_RDONLY | O_BINARY); |
||
878 | if ((s1->verbose == 2 && fd >= 0) || s1->verbose == 3) |
||
879 | printf("%s %*s%s\n", fd < 0 ? "nf":"->", |
||
880 | (int)(s1->include_stack_ptr - s1->include_stack), "", filename); |
||
881 | if (fd < 0) |
||
882 | return -1; |
||
883 | |||
884 | tcc_open_bf(s1, filename, 0); |
||
885 | file->fd = fd; |
||
886 | return fd; |
||
887 | } |
||
888 | |||
889 | /* compile the C file opened in 'file'. Return non zero if errors. */ |
||
890 | static int tcc_compile(TCCState *s1) |
||
891 | { |
||
892 | Sym *define_start; |
||
893 | char buf[512]; |
||
894 | volatile int section_sym; |
||
895 | |||
896 | #ifdef INC_DEBUG |
||
897 | printf("%s: **** new file\n", file->filename); |
||
898 | #endif |
||
899 | preprocess_init(s1); |
||
900 | |||
901 | cur_text_section = NULL; |
||
902 | funcname = ""; |
||
903 | anon_sym = SYM_FIRST_ANOM; |
||
904 | |||
905 | /* file info: full path + filename */ |
||
906 | section_sym = 0; /* avoid warning */ |
||
907 | if (s1->do_debug) { |
||
908 | section_sym = put_elf_sym(symtab_section, 0, 0, |
||
909 | ELFW(ST_INFO)(STB_LOCAL, STT_SECTION), 0, |
||
910 | text_section->sh_num, NULL); |
||
911 | getcwd(buf, sizeof(buf)); |
||
912 | #ifdef _WIN32 |
||
913 | normalize_slashes(buf); |
||
914 | #endif |
||
915 | pstrcat(buf, sizeof(buf), "/"); |
||
916 | put_stabs_r(buf, N_SO, 0, 0, |
||
917 | text_section->data_offset, text_section, section_sym); |
||
918 | put_stabs_r(file->filename, N_SO, 0, 0, |
||
919 | text_section->data_offset, text_section, section_sym); |
||
920 | } |
||
921 | /* an elf symbol of type STT_FILE must be put so that STB_LOCAL |
||
922 | symbols can be safely used */ |
||
923 | put_elf_sym(symtab_section, 0, 0, |
||
924 | ELFW(ST_INFO)(STB_LOCAL, STT_FILE), 0, |
||
925 | SHN_ABS, file->filename); |
||
926 | |||
927 | /* define some often used types */ |
||
928 | int_type.t = VT_INT; |
||
929 | |||
930 | char_pointer_type.t = VT_BYTE; |
||
931 | mk_pointer(&char_pointer_type); |
||
932 | |||
933 | #if PTR_SIZE == 4 |
||
934 | size_type.t = VT_INT; |
||
935 | #else |
||
936 | size_type.t = VT_LLONG; |
||
937 | #endif |
||
938 | |||
939 | func_old_type.t = VT_FUNC; |
||
940 | func_old_type.ref = sym_push(SYM_FIELD, &int_type, FUNC_CDECL, FUNC_OLD); |
||
941 | #ifdef TCC_TARGET_ARM |
||
942 | arm_init(s1); |
||
943 | #endif |
||
944 | |||
945 | #if 0 |
||
946 | /* define 'void *alloca(unsigned int)' builtin function */ |
||
947 | { |
||
948 | Sym *s1; |
||
949 | |||
950 | p = anon_sym++; |
||
951 | sym = sym_push(p, mk_pointer(VT_VOID), FUNC_CDECL, FUNC_NEW); |
||
952 | s1 = sym_push(SYM_FIELD, VT_UNSIGNED | VT_INT, 0, 0); |
||
953 | s1->next = NULL; |
||
954 | sym->next = s1; |
||
955 | sym_push(TOK_alloca, VT_FUNC | (p << VT_STRUCT_SHIFT), VT_CONST, 0); |
||
956 | } |
||
957 | #endif |
||
958 | |||
959 | define_start = define_stack; |
||
960 | nocode_wanted = 1; |
||
961 | |||
962 | if (setjmp(s1->error_jmp_buf) == 0) { |
||
963 | s1->nb_errors = 0; |
||
964 | s1->error_set_jmp_enabled = 1; |
||
965 | |||
966 | ch = file->buf_ptr[0]; |
||
967 | tok_flags = TOK_FLAG_BOL | TOK_FLAG_BOF; |
||
968 | parse_flags = PARSE_FLAG_PREPROCESS | PARSE_FLAG_TOK_NUM | PARSE_FLAG_TOK_STR; |
||
969 | next(); |
||
970 | decl(VT_CONST); |
||
971 | if (tok != TOK_EOF) |
||
972 | expect("declaration"); |
||
973 | check_vstack(); |
||
974 | |||
975 | /* end of translation unit info */ |
||
976 | if (s1->do_debug) { |
||
977 | put_stabs_r(NULL, N_SO, 0, 0, |
||
978 | text_section->data_offset, text_section, section_sym); |
||
979 | } |
||
980 | } |
||
981 | |||
982 | s1->error_set_jmp_enabled = 0; |
||
983 | |||
984 | /* reset define stack, but leave -Dsymbols (may be incorrect if |
||
985 | they are undefined) */ |
||
986 | free_defines(define_start); |
||
987 | |||
988 | gen_inline_functions(); |
||
989 | |||
990 | sym_pop(&global_stack, NULL); |
||
991 | sym_pop(&local_stack, NULL); |
||
992 | |||
993 | return s1->nb_errors != 0 ? -1 : 0; |
||
994 | } |
||
995 | |||
996 | LIBTCCAPI int tcc_compile_string(TCCState *s, const char *str) |
||
997 | { |
||
998 | int len, ret; |
||
999 | |||
1000 | len = strlen(str); |
||
1001 | tcc_open_bf(s, " |
||
1002 | memcpy(file->buffer, str, len); |
||
1003 | ret = tcc_compile(s); |
||
1004 | tcc_close(); |
||
1005 | return ret; |
||
1006 | } |
||
1007 | |||
1008 | /* define a preprocessor symbol. A value can also be provided with the '=' operator */ |
||
1009 | LIBTCCAPI void tcc_define_symbol(TCCState *s1, const char *sym, const char *value) |
||
1010 | { |
||
1011 | int len1, len2; |
||
1012 | /* default value */ |
||
1013 | if (!value) |
||
1014 | value = "1"; |
||
1015 | len1 = strlen(sym); |
||
1016 | len2 = strlen(value); |
||
1017 | |||
1018 | /* init file structure */ |
||
1019 | tcc_open_bf(s1, " |
||
1020 | memcpy(file->buffer, sym, len1); |
||
1021 | file->buffer[len1] = ' '; |
||
1022 | memcpy(file->buffer + len1 + 1, value, len2); |
||
1023 | |||
1024 | /* parse with define parser */ |
||
1025 | ch = file->buf_ptr[0]; |
||
1026 | next_nomacro(); |
||
1027 | parse_define(); |
||
1028 | |||
1029 | tcc_close(); |
||
1030 | } |
||
1031 | |||
1032 | /* undefine a preprocessor symbol */ |
||
1033 | LIBTCCAPI void tcc_undefine_symbol(TCCState *s1, const char *sym) |
||
1034 | { |
||
1035 | TokenSym *ts; |
||
1036 | Sym *s; |
||
1037 | ts = tok_alloc(sym, strlen(sym)); |
||
1038 | s = define_find(ts->tok); |
||
1039 | /* undefine symbol by putting an invalid name */ |
||
1040 | if (s) |
||
1041 | define_undef(s); |
||
1042 | } |
||
1043 | |||
1044 | /* cleanup all static data used during compilation */ |
||
1045 | static void tcc_cleanup(void) |
||
1046 | { |
||
1047 | if (NULL == tcc_state) |
||
1048 | return; |
||
1049 | tcc_state = NULL; |
||
1050 | |||
1051 | preprocess_delete(); |
||
1052 | |||
1053 | /* free sym_pools */ |
||
1054 | dynarray_reset(&sym_pools, &nb_sym_pools); |
||
1055 | /* reset symbol stack */ |
||
1056 | sym_free_first = NULL; |
||
1057 | } |
||
1058 | |||
1059 | LIBTCCAPI TCCState *tcc_new(void) |
||
1060 | { |
||
1061 | TCCState *s; |
||
1062 | char buffer[100]; |
||
1063 | int a,b,c; |
||
1064 | |||
1065 | tcc_cleanup(); |
||
1066 | |||
1067 | s = tcc_mallocz(sizeof(TCCState)); |
||
1068 | if (!s) |
||
1069 | return NULL; |
||
1070 | tcc_state = s; |
||
1071 | #ifdef _WIN32 |
||
1072 | tcc_set_lib_path_w32(s); |
||
1073 | #else |
||
1074 | tcc_set_lib_path(s, CONFIG_TCCDIR); |
||
1075 | #endif |
||
1076 | s->output_type = 0; |
||
1077 | preprocess_new(); |
||
1078 | s->include_stack_ptr = s->include_stack; |
||
1079 | |||
1080 | /* we add dummy defines for some special macros to speed up tests |
||
1081 | and to have working defined() */ |
||
1082 | define_push(TOK___LINE__, MACRO_OBJ, NULL, NULL); |
||
1083 | define_push(TOK___FILE__, MACRO_OBJ, NULL, NULL); |
||
1084 | define_push(TOK___DATE__, MACRO_OBJ, NULL, NULL); |
||
1085 | define_push(TOK___TIME__, MACRO_OBJ, NULL, NULL); |
||
1086 | |||
1087 | /* define __TINYC__ 92X */ |
||
1088 | sscanf(TCC_VERSION, "%d.%d.%d", &a, &b, &c); |
||
1089 | sprintf(buffer, "%d", a*10000 + b*100 + c); |
||
1090 | tcc_define_symbol(s, "__TINYC__", buffer); |
||
1091 | |||
1092 | /* standard defines */ |
||
1093 | tcc_define_symbol(s, "__STDC__", NULL); |
||
1094 | tcc_define_symbol(s, "__STDC_VERSION__", "199901L"); |
||
1095 | tcc_define_symbol(s, "__STDC_HOSTED__", NULL); |
||
1096 | |||
1097 | /* target defines */ |
||
1098 | #if defined(TCC_TARGET_I386) |
||
1099 | tcc_define_symbol(s, "__i386__", NULL); |
||
1100 | tcc_define_symbol(s, "__i386", NULL); |
||
1101 | tcc_define_symbol(s, "i386", NULL); |
||
1102 | #elif defined(TCC_TARGET_X86_64) |
||
1103 | tcc_define_symbol(s, "__x86_64__", NULL); |
||
1104 | #elif defined(TCC_TARGET_ARM) |
||
1105 | tcc_define_symbol(s, "__ARM_ARCH_4__", NULL); |
||
1106 | tcc_define_symbol(s, "__arm_elf__", NULL); |
||
1107 | tcc_define_symbol(s, "__arm_elf", NULL); |
||
1108 | tcc_define_symbol(s, "arm_elf", NULL); |
||
1109 | tcc_define_symbol(s, "__arm__", NULL); |
||
1110 | tcc_define_symbol(s, "__arm", NULL); |
||
1111 | tcc_define_symbol(s, "arm", NULL); |
||
1112 | tcc_define_symbol(s, "__APCS_32__", NULL); |
||
1113 | tcc_define_symbol(s, "__ARMEL__", NULL); |
||
1114 | #if defined(TCC_ARM_EABI) |
||
1115 | tcc_define_symbol(s, "__ARM_EABI__", NULL); |
||
1116 | #endif |
||
1117 | #if defined(TCC_ARM_HARDFLOAT) |
||
1118 | s->float_abi = ARM_HARD_FLOAT; |
||
1119 | tcc_define_symbol(s, "__ARM_PCS_VFP", NULL); |
||
1120 | #else |
||
1121 | s->float_abi = ARM_SOFTFP_FLOAT; |
||
1122 | #endif |
||
1123 | #elif defined(TCC_TARGET_ARM64) |
||
1124 | tcc_define_symbol(s, "__aarch64__", NULL); |
||
1125 | #endif |
||
1126 | |||
1127 | #ifdef TCC_TARGET_PE |
||
1128 | tcc_define_symbol(s, "_WIN32", NULL); |
||
1129 | # ifdef TCC_TARGET_X86_64 |
||
1130 | tcc_define_symbol(s, "_WIN64", NULL); |
||
1131 | # endif |
||
1132 | #else |
||
1133 | tcc_define_symbol(s, "__unix__", NULL); |
||
1134 | tcc_define_symbol(s, "__unix", NULL); |
||
1135 | tcc_define_symbol(s, "unix", NULL); |
||
1136 | # if defined(__linux__) |
||
1137 | tcc_define_symbol(s, "__linux__", NULL); |
||
1138 | tcc_define_symbol(s, "__linux", NULL); |
||
1139 | # endif |
||
1140 | # if defined(__FreeBSD__) |
||
1141 | # define str(s) #s |
||
1142 | tcc_define_symbol(s, "__FreeBSD__", str( __FreeBSD__)); |
||
1143 | # undef str |
||
1144 | # endif |
||
1145 | # if defined(__FreeBSD_kernel__) |
||
1146 | tcc_define_symbol(s, "__FreeBSD_kernel__", NULL); |
||
1147 | # endif |
||
1148 | #endif |
||
1149 | # if defined(__NetBSD__) |
||
1150 | # define str(s) #s |
||
1151 | tcc_define_symbol(s, "__NetBSD__", str( __NetBSD__)); |
||
1152 | # undef str |
||
1153 | # endif |
||
1154 | |||
1155 | /* TinyCC & gcc defines */ |
||
1156 | #if defined TCC_TARGET_PE && defined TCC_TARGET_X86_64 |
||
1157 | tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned long long"); |
||
1158 | tcc_define_symbol(s, "__PTRDIFF_TYPE__", "long long"); |
||
1159 | #else |
||
1160 | tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned long"); |
||
1161 | tcc_define_symbol(s, "__PTRDIFF_TYPE__", "long"); |
||
1162 | #endif |
||
1163 | |||
1164 | #ifdef TCC_TARGET_PE |
||
1165 | tcc_define_symbol(s, "__WCHAR_TYPE__", "unsigned short"); |
||
1166 | tcc_define_symbol(s, "__WINT_TYPE__", "unsigned short"); |
||
1167 | #else |
||
1168 | tcc_define_symbol(s, "__WCHAR_TYPE__", "int"); |
||
1169 | /* wint_t is unsigned int by default, but (signed) int on BSDs |
||
1170 | and unsigned short on windows. Other OSes might have still |
||
1171 | other conventions, sigh. */ |
||
1172 | #if defined(__FreeBSD__) || defined (__FreeBSD_kernel__) || defined(__NetBSD__) |
||
1173 | tcc_define_symbol(s, "__WINT_TYPE__", "int"); |
||
1174 | #else |
||
1175 | tcc_define_symbol(s, "__WINT_TYPE__", "unsigned int"); |
||
1176 | #endif |
||
1177 | #endif |
||
1178 | |||
1179 | #ifndef TCC_TARGET_PE |
||
1180 | /* glibc defines */ |
||
1181 | tcc_define_symbol(s, "__REDIRECT(name, proto, alias)", "name proto __asm__ (#alias)"); |
||
1182 | tcc_define_symbol(s, "__REDIRECT_NTH(name, proto, alias)", "name proto __asm__ (#alias) __THROW"); |
||
1183 | /* paths for crt objects */ |
||
1184 | tcc_split_path(s, (void ***)&s->crt_paths, &s->nb_crt_paths, CONFIG_TCC_CRTPREFIX); |
||
1185 | #endif |
||
1186 | |||
1187 | /* no section zero */ |
||
1188 | dynarray_add((void ***)&s->sections, &s->nb_sections, NULL); |
||
1189 | |||
1190 | /* create standard sections */ |
||
1191 | text_section = new_section(s, ".text", SHT_PROGBITS, SHF_ALLOC | SHF_EXECINSTR); |
||
1192 | data_section = new_section(s, ".data", SHT_PROGBITS, SHF_ALLOC | SHF_WRITE); |
||
1193 | bss_section = new_section(s, ".bss", SHT_NOBITS, SHF_ALLOC | SHF_WRITE); |
||
1194 | |||
1195 | /* symbols are always generated for linking stage */ |
||
1196 | symtab_section = new_symtab(s, ".symtab", SHT_SYMTAB, 0, |
||
1197 | ".strtab", |
||
1198 | ".hashtab", SHF_PRIVATE); |
||
1199 | strtab_section = symtab_section->link; |
||
1200 | s->symtab = symtab_section; |
||
1201 | |||
1202 | /* private symbol table for dynamic symbols */ |
||
1203 | s->dynsymtab_section = new_symtab(s, ".dynsymtab", SHT_SYMTAB, SHF_PRIVATE, |
||
1204 | ".dynstrtab", |
||
1205 | ".dynhashtab", SHF_PRIVATE); |
||
1206 | s->alacarte_link = 1; |
||
1207 | s->nocommon = 1; |
||
1208 | s->warn_implicit_function_declaration = 1; |
||
1209 | |||
1210 | #ifdef CHAR_IS_UNSIGNED |
||
1211 | s->char_is_unsigned = 1; |
||
1212 | #endif |
||
1213 | /* enable this if you want symbols with leading underscore on windows: */ |
||
1214 | #if 0 /* def TCC_TARGET_PE */ |
||
1215 | s->leading_underscore = 1; |
||
1216 | #endif |
||
1217 | #if 0 /* TCC_TARGET_MEOS */ |
||
1218 | s->leading_underscore = 1; |
||
1219 | #endif |
||
1220 | #ifdef TCC_TARGET_I386 |
||
1221 | s->seg_size = 32; |
||
1222 | #endif |
||
1223 | #ifdef TCC_IS_NATIVE |
||
1224 | s->runtime_main = "main"; |
||
1225 | #endif |
||
1226 | return s; |
||
1227 | } |
||
1228 | |||
1229 | LIBTCCAPI void tcc_delete(TCCState *s1) |
||
1230 | { |
||
1231 | int i; |
||
1232 | int bench = s1->do_bench; |
||
1233 | |||
1234 | tcc_cleanup(); |
||
1235 | |||
1236 | /* close a preprocessor output */ |
||
1237 | if (s1->ppfp && s1->ppfp != stdout) |
||
1238 | fclose(s1->ppfp); |
||
1239 | if (s1->dffp && s1->dffp != s1->ppfp) |
||
1240 | fclose(s1->dffp); |
||
1241 | |||
1242 | /* free all sections */ |
||
1243 | for(i = 1; i < s1->nb_sections; i++) |
||
1244 | free_section(s1->sections[i]); |
||
1245 | dynarray_reset(&s1->sections, &s1->nb_sections); |
||
1246 | |||
1247 | for(i = 0; i < s1->nb_priv_sections; i++) |
||
1248 | free_section(s1->priv_sections[i]); |
||
1249 | dynarray_reset(&s1->priv_sections, &s1->nb_priv_sections); |
||
1250 | |||
1251 | /* free any loaded DLLs */ |
||
1252 | #ifdef TCC_IS_NATIVE |
||
1253 | for ( i = 0; i < s1->nb_loaded_dlls; i++) { |
||
1254 | DLLReference *ref = s1->loaded_dlls[i]; |
||
1255 | if ( ref->handle ) |
||
1256 | dlclose(ref->handle); |
||
1257 | } |
||
1258 | #endif |
||
1259 | |||
1260 | /* free loaded dlls array */ |
||
1261 | dynarray_reset(&s1->loaded_dlls, &s1->nb_loaded_dlls); |
||
1262 | |||
1263 | /* free library paths */ |
||
1264 | dynarray_reset(&s1->library_paths, &s1->nb_library_paths); |
||
1265 | dynarray_reset(&s1->crt_paths, &s1->nb_crt_paths); |
||
1266 | |||
1267 | /* free include paths */ |
||
1268 | dynarray_reset(&s1->cached_includes, &s1->nb_cached_includes); |
||
1269 | dynarray_reset(&s1->include_paths, &s1->nb_include_paths); |
||
1270 | dynarray_reset(&s1->sysinclude_paths, &s1->nb_sysinclude_paths); |
||
1271 | |||
1272 | tcc_free(s1->tcc_lib_path); |
||
1273 | tcc_free(s1->soname); |
||
1274 | tcc_free(s1->rpath); |
||
1275 | tcc_free(s1->init_symbol); |
||
1276 | tcc_free(s1->fini_symbol); |
||
1277 | tcc_free(s1->outfile); |
||
1278 | tcc_free(s1->deps_outfile); |
||
1279 | dynarray_reset(&s1->files, &s1->nb_files); |
||
1280 | dynarray_reset(&s1->target_deps, &s1->nb_target_deps); |
||
1281 | dynarray_reset(&s1->pragma_libs, &s1->nb_pragma_libs); |
||
1282 | |||
1283 | #ifdef TCC_IS_NATIVE |
||
1284 | # ifdef HAVE_SELINUX |
||
1285 | munmap (s1->write_mem, s1->mem_size); |
||
1286 | munmap (s1->runtime_mem, s1->mem_size); |
||
1287 | # else |
||
1288 | tcc_free(s1->runtime_mem); |
||
1289 | # endif |
||
1290 | #endif |
||
1291 | |||
1292 | tcc_free(s1->sym_attrs); |
||
1293 | tcc_free(s1); |
||
1294 | tcc_memstats(bench); |
||
1295 | } |
||
1296 | |||
1297 | LIBTCCAPI int tcc_add_include_path(TCCState *s, const char *pathname) |
||
1298 | { |
||
1299 | tcc_split_path(s, (void ***)&s->include_paths, &s->nb_include_paths, pathname); |
||
1300 | return 0; |
||
1301 | } |
||
1302 | |||
1303 | LIBTCCAPI int tcc_add_sysinclude_path(TCCState *s, const char *pathname) |
||
1304 | { |
||
1305 | tcc_split_path(s, (void ***)&s->sysinclude_paths, &s->nb_sysinclude_paths, pathname); |
||
1306 | return 0; |
||
1307 | } |
||
1308 | |||
1309 | ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags, int filetype) |
||
1310 | { |
||
1311 | ElfW(Ehdr) ehdr; |
||
1312 | int fd, ret, size; |
||
1313 | |||
1314 | parse_flags = 0; |
||
1315 | #ifdef CONFIG_TCC_ASM |
||
1316 | /* if .S file, define __ASSEMBLER__ like gcc does */ |
||
1317 | if ((filetype == TCC_FILETYPE_ASM) || (filetype == TCC_FILETYPE_ASM_PP)) { |
||
1318 | tcc_define_symbol(s1, "__ASSEMBLER__", NULL); |
||
1319 | parse_flags = PARSE_FLAG_ASM_FILE; |
||
1320 | } |
||
1321 | #endif |
||
1322 | |||
1323 | /* open the file */ |
||
1324 | ret = tcc_open(s1, filename); |
||
1325 | if (ret < 0) { |
||
1326 | if (flags & AFF_PRINT_ERROR) |
||
1327 | tcc_error_noabort("file '%s' not found", filename); |
||
1328 | return ret; |
||
1329 | } |
||
1330 | |||
1331 | /* update target deps */ |
||
1332 | dynarray_add((void ***)&s1->target_deps, &s1->nb_target_deps, |
||
1333 | tcc_strdup(filename)); |
||
1334 | |||
1335 | if (flags & AFF_PREPROCESS) { |
||
1336 | ret = tcc_preprocess(s1); |
||
1337 | goto the_end; |
||
1338 | } |
||
1339 | |||
1340 | if (filetype == TCC_FILETYPE_C) { |
||
1341 | /* C file assumed */ |
||
1342 | ret = tcc_compile(s1); |
||
1343 | goto the_end; |
||
1344 | } |
||
1345 | |||
1346 | #ifdef CONFIG_TCC_ASM |
||
1347 | if (filetype == TCC_FILETYPE_ASM_PP) { |
||
1348 | /* non preprocessed assembler */ |
||
1349 | ret = tcc_assemble(s1, 1); |
||
1350 | goto the_end; |
||
1351 | } |
||
1352 | |||
1353 | if (filetype == TCC_FILETYPE_ASM) { |
||
1354 | /* preprocessed assembler */ |
||
1355 | ret = tcc_assemble(s1, 0); |
||
1356 | goto the_end; |
||
1357 | } |
||
1358 | #endif |
||
1359 | |||
1360 | fd = file->fd; |
||
1361 | /* assume executable format: auto guess file type */ |
||
1362 | size = read(fd, &ehdr, sizeof(ehdr)); |
||
1363 | lseek(fd, 0, SEEK_SET); |
||
1364 | if (size <= 0) { |
||
1365 | tcc_error_noabort("could not read header"); |
||
1366 | goto the_end; |
||
1367 | } |
||
1368 | |||
1369 | if (size == sizeof(ehdr) && |
||
1370 | ehdr.e_ident[0] == ELFMAG0 && |
||
1371 | ehdr.e_ident[1] == ELFMAG1 && |
||
1372 | ehdr.e_ident[2] == ELFMAG2 && |
||
1373 | ehdr.e_ident[3] == ELFMAG3) { |
||
1374 | |||
1375 | /* do not display line number if error */ |
||
1376 | file->line_num = 0; |
||
1377 | if (ehdr.e_type == ET_REL) { |
||
1378 | ret = tcc_load_object_file(s1, fd, 0); |
||
1379 | goto the_end; |
||
1380 | |||
1381 | } |
||
1382 | #if !defined(TCC_TARGET_PE) && !defined(TCC_TARGET_MEOS) |
||
1383 | if (ehdr.e_type == ET_DYN) { |
||
1384 | if (s1->output_type == TCC_OUTPUT_MEMORY) { |
||
1385 | #ifdef TCC_IS_NATIVE |
||
1386 | void *h; |
||
1387 | h = dlopen(filename, RTLD_GLOBAL | RTLD_LAZY); |
||
1388 | if (h) |
||
1389 | #endif |
||
1390 | ret = 0; |
||
1391 | } else { |
||
1392 | ret = tcc_load_dll(s1, fd, filename, |
||
1393 | (flags & AFF_REFERENCED_DLL) != 0); |
||
1394 | } |
||
1395 | goto the_end; |
||
1396 | } |
||
1397 | #endif |
||
1398 | tcc_error_noabort("unrecognized ELF file"); |
||
1399 | goto the_end; |
||
1400 | } |
||
1401 | |||
1402 | if (memcmp((char *)&ehdr, ARMAG, 8) == 0) { |
||
1403 | file->line_num = 0; /* do not display line number if error */ |
||
1404 | ret = tcc_load_archive(s1, fd); |
||
1405 | goto the_end; |
||
1406 | } |
||
1407 | |||
1408 | #ifdef TCC_TARGET_COFF |
||
1409 | if (*(uint16_t *)(&ehdr) == COFF_C67_MAGIC) { |
||
1410 | ret = tcc_load_coff(s1, fd); |
||
1411 | goto the_end; |
||
1412 | } |
||
1413 | #endif |
||
1414 | |||
1415 | #if defined(TCC_TARGET_PE) || defined(TCC_TARGET_MEOS) |
||
1416 | ret = pe_load_file(s1, filename, fd); |
||
1417 | #else |
||
1418 | /* as GNU ld, consider it is an ld script if not recognized */ |
||
1419 | ret = tcc_load_ldscript(s1); |
||
1420 | #endif |
||
1421 | if (ret < 0) |
||
1422 | tcc_error_noabort("unrecognized file type"); |
||
1423 | |||
1424 | the_end: |
||
1425 | tcc_close(); |
||
1426 | return ret; |
||
1427 | } |
||
1428 | |||
1429 | LIBTCCAPI int tcc_add_file(TCCState *s, const char *filename, int filetype) |
||
1430 | { |
||
1431 | if (s->output_type == TCC_OUTPUT_PREPROCESS) |
||
1432 | return tcc_add_file_internal(s, filename, AFF_PRINT_ERROR | AFF_PREPROCESS, filetype); |
||
1433 | else |
||
1434 | return tcc_add_file_internal(s, filename, AFF_PRINT_ERROR, filetype); |
||
1435 | } |
||
1436 | |||
1437 | LIBTCCAPI int tcc_add_library_path(TCCState *s, const char *pathname) |
||
1438 | { |
||
1439 | tcc_split_path(s, (void ***)&s->library_paths, &s->nb_library_paths, pathname); |
||
1440 | return 0; |
||
1441 | } |
||
1442 | |||
1443 | static int tcc_add_library_internal(TCCState *s, const char *fmt, |
||
1444 | const char *filename, int flags, char **paths, int nb_paths) |
||
1445 | { |
||
1446 | char buf[1024]; |
||
1447 | int i; |
||
1448 | |||
1449 | for(i = 0; i < nb_paths; i++) { |
||
1450 | snprintf(buf, sizeof(buf), fmt, paths[i], filename); |
||
1451 | //printf("added lib [%s]\n", buf); |
||
1452 | if (tcc_add_file_internal(s, buf, flags, TCC_FILETYPE_BINARY) == 0) |
||
1453 | return 0; |
||
1454 | } |
||
1455 | return -1; |
||
1456 | } |
||
1457 | |||
1458 | #if !defined(TCC_TARGET_PE) && !defined(TCC_TARGET_MEOS) |
||
1459 | /* find and load a dll. Return non zero if not found */ |
||
1460 | /* XXX: add '-rpath' option support ? */ |
||
1461 | ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags) |
||
1462 | { |
||
1463 | return tcc_add_library_internal(s, "%s/%s", filename, flags, |
||
1464 | s->library_paths, s->nb_library_paths); |
||
1465 | } |
||
1466 | #endif |
||
1467 | |||
1468 | ST_FUNC int tcc_add_crt(TCCState *s, const char *filename) |
||
1469 | { |
||
1470 | if (-1 == tcc_add_library_internal(s, "%s/%s", |
||
1471 | filename, 0, s->crt_paths, s->nb_crt_paths)) |
||
1472 | tcc_error_noabort("file '%s' not found", filename); |
||
1473 | return 0; |
||
1474 | } |
||
1475 | |||
1476 | /* the library name is the same as the argument of the '-l' option */ |
||
1477 | LIBTCCAPI int tcc_add_library(TCCState *s, const char *libraryname) |
||
1478 | { |
||
1479 | #if defined(TCC_TARGET_PE) || defined(TCC_TARGET_MEOS) |
||
1480 | const char *libs[] = { "%s/%s.def", "%s/lib%s.def", "%s/%s.dll", "%s/lib%s.dll", "%s/lib%s.a", NULL }; |
||
1481 | const char **pp = s->static_link ? libs + 4 : libs; |
||
1482 | #else |
||
1483 | const char *libs[] = { "%s/lib%s.so", "%s/lib%s.a", NULL }; |
||
1484 | const char **pp = s->static_link ? libs + 1 : libs; |
||
1485 | #endif |
||
1486 | while (*pp) { |
||
1487 | if (0 == tcc_add_library_internal(s, *pp, |
||
1488 | libraryname, 0, s->library_paths, s->nb_library_paths)) |
||
1489 | return 0; |
||
1490 | ++pp; |
||
1491 | } |
||
1492 | return -1; |
||
1493 | } |
||
1494 | |||
1495 | PUB_FUNC int tcc_add_library_err(TCCState *s, const char *libname) |
||
1496 | { |
||
1497 | int ret = tcc_add_library(s, libname); |
||
1498 | if (ret < 0) |
||
1499 | tcc_error_noabort("cannot find library 'lib%s'", libname); |
||
1500 | return ret; |
||
1501 | } |
||
1502 | |||
1503 | /* habdle #pragma comment(lib,) */ |
||
1504 | ST_FUNC void tcc_add_pragma_libs(TCCState *s1) |
||
1505 | { |
||
1506 | int i; |
||
1507 | for (i = 0; i < s1->nb_pragma_libs; i++) |
||
1508 | tcc_add_library_err(s1, s1->pragma_libs[i]); |
||
1509 | } |
||
1510 | |||
1511 | LIBTCCAPI int tcc_add_symbol(TCCState *s, const char *name, const void *val) |
||
1512 | { |
||
1513 | #if defined(TCC_TARGET_PE) || defined(TCC_TARGET_MEOS) |
||
1514 | /* On x86_64 'val' might not be reachable with a 32bit offset. |
||
1515 | So it is handled here as if it were in a DLL. */ |
||
1516 | pe_putimport(s, 0, name, (uintptr_t)val); |
||
1517 | #else |
||
1518 | add_elf_sym(symtab_section, (uintptr_t)val, 0, |
||
1519 | ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE), 0, |
||
1520 | SHN_ABS, name); |
||
1521 | #endif |
||
1522 | return 0; |
||
1523 | } |
||
1524 | |||
1525 | |||
1526 | /* Windows stat* ( https://msdn.microsoft.com/en-us/library/14h5k7ff.aspx ): |
||
1527 | * - st_gid, st_ino, st_uid: only valid on "unix" file systems (not FAT, NTFS, etc) |
||
1528 | * - st_atime, st_ctime: not valid on FAT, valid on NTFS. |
||
1529 | * - Other fields should be reasonably compatible (and S_ISDIR should work). |
||
1530 | * |
||
1531 | * BY_HANDLE_FILE_INFORMATION ( https://msdn.microsoft.com/en-us/library/windows/desktop/aa363788%28v=vs.85%29.aspx ): |
||
1532 | * - File index (combined nFileIndexHigh and nFileIndexLow) _may_ change when the file is opened. |
||
1533 | * - But on NTFS: it's guaranteed to be the same value until the file is deleted. |
||
1534 | * - On windows server 2012 there's a 128b file id, and the 64b one via |
||
1535 | * nFileIndex* is not guaranteed to be unique. |
||
1536 | * |
||
1537 | * - MS Docs suggest to that volume number with the file index could be used to |
||
1538 | * check if two handles refer to the same file. |
||
1539 | */ |
||
1540 | #ifndef _WIN32 |
||
1541 | typedef struct stat file_info_t; |
||
1542 | #else |
||
1543 | typedef BY_HANDLE_FILE_INFORMATION file_info_t; |
||
1544 | #endif |
||
1545 | |||
1546 | int get_file_info(const char *fname, file_info_t *out_info) |
||
1547 | { |
||
1548 | #ifndef _WIN32 |
||
1549 | return stat(fname, out_info); |
||
1550 | #else |
||
1551 | int rv = 1; |
||
1552 | HANDLE h = CreateFile(fname, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, |
||
1553 | FILE_ATTRIBUTE_NORMAL|FILE_FLAG_BACKUP_SEMANTICS, NULL); |
||
1554 | |||
1555 | if (h != INVALID_HANDLE_VALUE) { |
||
1556 | rv = !GetFileInformationByHandle(h, out_info); |
||
1557 | CloseHandle(h); |
||
1558 | } |
||
1559 | return rv; |
||
1560 | #endif |
||
1561 | } |
||
1562 | |||
1563 | int is_dir(file_info_t *info) |
||
1564 | { |
||
1565 | #ifndef _WIN32 |
||
1566 | return S_ISDIR(info->st_mode); |
||
1567 | #else |
||
1568 | return (info->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == |
||
1569 | FILE_ATTRIBUTE_DIRECTORY; |
||
1570 | #endif |
||
1571 | } |
||
1572 | |||
1573 | int is_same_file(const file_info_t *fi1, const file_info_t *fi2) |
||
1574 | { |
||
1575 | #ifndef _WIN32 |
||
1576 | return fi1->st_dev == fi2->st_dev && |
||
1577 | fi1->st_ino == fi2->st_ino; |
||
1578 | #else |
||
1579 | return fi1->dwVolumeSerialNumber == fi2->dwVolumeSerialNumber && |
||
1580 | fi1->nFileIndexHigh == fi2->nFileIndexHigh && |
||
1581 | fi1->nFileIndexLow == fi2->nFileIndexLow; |
||
1582 | #endif |
||
1583 | } |
||
1584 | |||
1585 | static void |
||
1586 | tcc_normalize_inc_dirs_aux(file_info_t *stats, size_t *pnum, char **path) |
||
1587 | { |
||
1588 | size_t i, num = *pnum; |
||
1589 | if (get_file_info(*path, &stats[num]) || !is_dir(&stats[num])) |
||
1590 | goto remove; |
||
1591 | for (i = 0; i < num; i++) |
||
1592 | if (is_same_file(&stats[i], &stats[num])) |
||
1593 | goto remove; |
||
1594 | *pnum = num + 1; |
||
1595 | return; |
||
1596 | remove: |
||
1597 | tcc_free(*path); |
||
1598 | *path = 0; |
||
1599 | } |
||
1600 | |||
1601 | /* Remove non-existent and duplicate directories from include paths. */ |
||
1602 | ST_FUNC void tcc_normalize_inc_dirs(TCCState *s) |
||
1603 | { |
||
1604 | file_info_t *stats = |
||
1605 | tcc_malloc(((size_t)s->nb_sysinclude_paths + s->nb_include_paths) * |
||
1606 | sizeof(*stats)); |
||
1607 | size_t i, num = 0; |
||
1608 | for (i = 0; i < s->nb_sysinclude_paths; i++) |
||
1609 | tcc_normalize_inc_dirs_aux(stats, &num, &s->sysinclude_paths[i]); |
||
1610 | for (i = 0; i < s->nb_include_paths; i++) |
||
1611 | tcc_normalize_inc_dirs_aux(stats, &num, &s->include_paths[i]); |
||
1612 | tcc_free(stats); |
||
1613 | } |
||
1614 | |||
1615 | LIBTCCAPI int tcc_set_output_type(TCCState *s, int output_type) |
||
1616 | { |
||
1617 | s->output_type = output_type; |
||
1618 | |||
1619 | if (s->output_type == TCC_OUTPUT_PREPROCESS) { |
||
1620 | if (!s->outfile) { |
||
1621 | s->ppfp = stdout; |
||
1622 | } else { |
||
1623 | s->ppfp = fopen(s->outfile, "w"); |
||
1624 | if (!s->ppfp) |
||
1625 | tcc_error("could not write '%s'", s->outfile); |
||
1626 | } |
||
1627 | s->dffp = s->ppfp; |
||
1628 | if (s->dflag == 'M') |
||
1629 | s->ppfp = NULL; |
||
1630 | } |
||
1631 | if (s->option_C && !s->ppfp) |
||
1632 | s->option_C = 0; |
||
1633 | |||
1634 | if (!s->nostdinc) { |
||
1635 | /* default include paths */ |
||
1636 | /* -isystem paths have already been handled */ |
||
1637 | tcc_add_sysinclude_path(s, CONFIG_TCC_SYSINCLUDEPATHS); |
||
1638 | } |
||
1639 | |||
1640 | /* if bound checking, then add corresponding sections */ |
||
1641 | #ifdef CONFIG_TCC_BCHECK |
||
1642 | if (s->do_bounds_check) { |
||
1643 | /* define symbol */ |
||
1644 | tcc_define_symbol(s, "__BOUNDS_CHECKING_ON", NULL); |
||
1645 | /* create bounds sections */ |
||
1646 | bounds_section = new_section(s, ".bounds", |
||
1647 | SHT_PROGBITS, SHF_ALLOC); |
||
1648 | lbounds_section = new_section(s, ".lbounds", |
||
1649 | SHT_PROGBITS, SHF_ALLOC); |
||
1650 | } |
||
1651 | #endif |
||
1652 | |||
1653 | if (s->char_is_unsigned) { |
||
1654 | tcc_define_symbol(s, "__CHAR_UNSIGNED__", NULL); |
||
1655 | } |
||
1656 | |||
1657 | /* add debug sections */ |
||
1658 | if (s->do_debug) { |
||
1659 | /* stab symbols */ |
||
1660 | stab_section = new_section(s, ".stab", SHT_PROGBITS, 0); |
||
1661 | stab_section->sh_entsize = sizeof(Stab_Sym); |
||
1662 | stabstr_section = new_section(s, ".stabstr", SHT_STRTAB, 0); |
||
1663 | put_elf_str(stabstr_section, ""); |
||
1664 | stab_section->link = stabstr_section; |
||
1665 | /* put first entry */ |
||
1666 | put_stabs("", 0, 0, 0, 0); |
||
1667 | } |
||
1668 | |||
1669 | tcc_add_library_path(s, CONFIG_TCC_LIBPATHS); |
||
1670 | #ifdef TCC_TARGET_PE |
||
1671 | # ifdef _WIN32 |
||
1672 | tcc_add_systemdir(s); |
||
1673 | # endif |
||
1674 | #elif defined(TCC_TARGET_MEOS) |
||
1675 | if (s->output_type != TCC_OUTPUT_OBJ && !s->nostdlib) |
||
1676 | { |
||
1677 | tcc_add_crt(s,"start.o"); |
||
1678 | // tcc_add_library(s,"ck"); // adding libck.a dont work, because need to be added last |
||
1679 | } |
||
1680 | #else |
||
1681 | /* add libc crt1/crti objects */ |
||
1682 | if ((output_type == TCC_OUTPUT_EXE || output_type == TCC_OUTPUT_DLL) && |
||
1683 | !s->nostdlib) { |
||
1684 | if (output_type != TCC_OUTPUT_DLL) |
||
1685 | tcc_add_crt(s, "crt1.o"); |
||
1686 | tcc_add_crt(s, "crti.o"); |
||
1687 | } |
||
1688 | #endif |
||
1689 | |||
1690 | #ifdef CONFIG_TCC_BCHECK |
||
1691 | if (s->do_bounds_check && (output_type == TCC_OUTPUT_EXE)) |
||
1692 | { |
||
1693 | /* force a bcheck.o linking */ |
||
1694 | addr_t func = TOK___bound_init; |
||
1695 | Sym *sym = external_global_sym(func, &func_old_type, 0); |
||
1696 | if (!sym->c) |
||
1697 | put_extern_sym(sym, NULL, 0, 0); |
||
1698 | } |
||
1699 | #endif |
||
1700 | |||
1701 | if (s->normalize_inc_dirs) |
||
1702 | tcc_normalize_inc_dirs(s); |
||
1703 | if (s->output_type == TCC_OUTPUT_PREPROCESS) |
||
1704 | print_defines(); |
||
1705 | |||
1706 | return 0; |
||
1707 | } |
||
1708 | |||
1709 | LIBTCCAPI void tcc_set_lib_path(TCCState *s, const char *path) |
||
1710 | { |
||
1711 | tcc_free(s->tcc_lib_path); |
||
1712 | s->tcc_lib_path = tcc_strdup(path); |
||
1713 | } |
||
1714 | |||
1715 | #define WD_ALL 0x0001 /* warning is activated when using -Wall */ |
||
1716 | #define FD_INVERT 0x0002 /* invert value before storing */ |
||
1717 | |||
1718 | typedef struct FlagDef { |
||
1719 | uint16_t offset; |
||
1720 | uint16_t flags; |
||
1721 | const char *name; |
||
1722 | } FlagDef; |
||
1723 | |||
1724 | static const FlagDef warning_defs[] = { |
||
1725 | { offsetof(TCCState, warn_unsupported), 0, "unsupported" }, |
||
1726 | { offsetof(TCCState, warn_write_strings), 0, "write-strings" }, |
||
1727 | { offsetof(TCCState, warn_error), 0, "error" }, |
||
1728 | { offsetof(TCCState, warn_implicit_function_declaration), WD_ALL, |
||
1729 | "implicit-function-declaration" }, |
||
1730 | }; |
||
1731 | |||
1732 | ST_FUNC int set_flag(TCCState *s, const FlagDef *flags, int nb_flags, |
||
1733 | const char *name, int value) |
||
1734 | { |
||
1735 | int i; |
||
1736 | const FlagDef *p; |
||
1737 | const char *r; |
||
1738 | |||
1739 | r = name; |
||
1740 | if (r[0] == 'n' && r[1] == 'o' && r[2] == '-') { |
||
1741 | r += 3; |
||
1742 | value = !value; |
||
1743 | } |
||
1744 | for(i = 0, p = flags; i < nb_flags; i++, p++) { |
||
1745 | if (!strcmp(r, p->name)) |
||
1746 | goto found; |
||
1747 | } |
||
1748 | return -1; |
||
1749 | found: |
||
1750 | if (p->flags & FD_INVERT) |
||
1751 | value = !value; |
||
1752 | *(int *)((uint8_t *)s + p->offset) = value; |
||
1753 | return 0; |
||
1754 | } |
||
1755 | |||
1756 | /* set/reset a warning */ |
||
1757 | static int tcc_set_warning(TCCState *s, const char *warning_name, int value) |
||
1758 | { |
||
1759 | int i; |
||
1760 | const FlagDef *p; |
||
1761 | |||
1762 | if (!strcmp(warning_name, "all")) { |
||
1763 | for(i = 0, p = warning_defs; i < countof(warning_defs); i++, p++) { |
||
1764 | if (p->flags & WD_ALL) |
||
1765 | *(int *)((uint8_t *)s + p->offset) = 1; |
||
1766 | } |
||
1767 | s->warn_unsupported = 1; // siemargl. was unused flag about compiler features |
||
1768 | return 0; |
||
1769 | } else { |
||
1770 | return set_flag(s, warning_defs, countof(warning_defs), |
||
1771 | warning_name, value); |
||
1772 | } |
||
1773 | } |
||
1774 | |||
1775 | static const FlagDef flag_defs[] = { |
||
1776 | { offsetof(TCCState, char_is_unsigned), 0, "unsigned-char" }, |
||
1777 | { offsetof(TCCState, char_is_unsigned), FD_INVERT, "signed-char" }, |
||
1778 | { offsetof(TCCState, nocommon), FD_INVERT, "common" }, |
||
1779 | { offsetof(TCCState, leading_underscore), 0, "leading-underscore" }, |
||
1780 | { offsetof(TCCState, ms_extensions), 0, "ms-extensions" }, |
||
1781 | { offsetof(TCCState, old_struct_init_code), 0, "old-struct-init-code" }, |
||
1782 | { offsetof(TCCState, dollars_in_identifiers), 0, "dollars-in-identifiers" }, |
||
1783 | { offsetof(TCCState, normalize_inc_dirs), 0, "normalize-inc-dirs" }, |
||
1784 | }; |
||
1785 | |||
1786 | /* set/reset a flag */ |
||
1787 | static int tcc_set_flag(TCCState *s, const char *flag_name, int value) |
||
1788 | { |
||
1789 | return set_flag(s, flag_defs, countof(flag_defs), |
||
1790 | flag_name, value); |
||
1791 | } |
||
1792 | |||
1793 | |||
1794 | static int strstart(const char *val, const char **str) |
||
1795 | { |
||
1796 | const char *p, *q; |
||
1797 | p = *str; |
||
1798 | q = val; |
||
1799 | while (*q) { |
||
1800 | if (*p != *q) |
||
1801 | return 0; |
||
1802 | p++; |
||
1803 | q++; |
||
1804 | } |
||
1805 | *str = p; |
||
1806 | return 1; |
||
1807 | } |
||
1808 | |||
1809 | /* Like strstart, but automatically takes into account that ld options can |
||
1810 | * |
||
1811 | * - start with double or single dash (e.g. '--soname' or '-soname') |
||
1812 | * - arguments can be given as separate or after '=' (e.g. '-Wl,-soname,x.so' |
||
1813 | * or '-Wl,-soname=x.so') |
||
1814 | * |
||
1815 | * you provide `val` always in 'option[=]' form (no leading -) |
||
1816 | */ |
||
1817 | static int link_option(const char *str, const char *val, const char **ptr) |
||
1818 | { |
||
1819 | const char *p, *q; |
||
1820 | |||
1821 | /* there should be 1 or 2 dashes */ |
||
1822 | if (*str++ != '-') |
||
1823 | return 0; |
||
1824 | if (*str == '-') |
||
1825 | str++; |
||
1826 | |||
1827 | /* then str & val should match (potentialy up to '=') */ |
||
1828 | p = str; |
||
1829 | q = val; |
||
1830 | |||
1831 | while (*q != '\0' && *q != '=') { |
||
1832 | if (*p != *q) |
||
1833 | return 0; |
||
1834 | p++; |
||
1835 | q++; |
||
1836 | } |
||
1837 | |||
1838 | /* '=' near eos means ',' or '=' is ok */ |
||
1839 | if (*q == '=') { |
||
1840 | if (*p != ',' && *p != '=') |
||
1841 | return 0; |
||
1842 | p++; |
||
1843 | q++; |
||
1844 | } |
||
1845 | |||
1846 | if (ptr) |
||
1847 | *ptr = p; |
||
1848 | return 1; |
||
1849 | } |
||
1850 | |||
1851 | static const char *skip_linker_arg(const char **str) |
||
1852 | { |
||
1853 | const char *s1 = *str; |
||
1854 | const char *s2 = strchr(s1, ','); |
||
1855 | *str = s2 ? s2++ : (s2 = s1 + strlen(s1)); |
||
1856 | return s2; |
||
1857 | } |
||
1858 | |||
1859 | static char *copy_linker_arg(const char *p) |
||
1860 | { |
||
1861 | const char *q = p; |
||
1862 | skip_linker_arg(&q); |
||
1863 | return pstrncpy(tcc_malloc(q - p + 1), p, q - p); |
||
1864 | } |
||
1865 | |||
1866 | /* set linker options */ |
||
1867 | static int tcc_set_linker(TCCState *s, const char *option) |
||
6441 | siemargl | 1868 | { |
6429 | siemargl | 1869 | while (option && *option) { |
1870 | |||
1871 | const char *p = option; |
||
1872 | char *end = NULL; |
||
1873 | int ignoring = 0; |
||
1874 | |||
1875 | if (link_option(option, "Bsymbolic", &p)) { |
||
1876 | s->symbolic = 1; |
||
1877 | } else if (link_option(option, "nostdlib", &p)) { |
||
1878 | s->nostdlib = 1; |
||
1879 | } else if (link_option(option, "fini=", &p)) { |
||
1880 | s->fini_symbol = copy_linker_arg(p); |
||
1881 | ignoring = 1; |
||
1882 | } else if (link_option(option, "image-base=", &p) |
||
1883 | || link_option(option, "Ttext=", &p)) { |
||
1884 | s->text_addr = strtoull(p, &end, 16); |
||
1885 | s->has_text_addr = 1; |
||
1886 | } else if (link_option(option, "init=", &p)) { |
||
1887 | s->init_symbol = copy_linker_arg(p); |
||
1888 | ignoring = 1; |
||
1889 | } else if (link_option(option, "oformat=", &p)) { |
||
1890 | #if defined(TCC_TARGET_PE) |
||
1891 | if (strstart("pe-", &p)) { |
||
1892 | #elif defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64) |
||
1893 | if (strstart("elf64-", &p)) { |
||
1894 | #else |
||
1895 | if (strstart("elf32-", &p)) { |
||
1896 | #endif |
||
1897 | s->output_format = TCC_OUTPUT_FORMAT_ELF; |
||
1898 | } else if (!strcmp(p, "binary")) { |
||
1899 | s->output_format = TCC_OUTPUT_FORMAT_BINARY; |
||
1900 | #ifdef TCC_TARGET_COFF |
||
1901 | } else if (!strcmp(p, "coff")) { |
||
1902 | s->output_format = TCC_OUTPUT_FORMAT_COFF; |
||
1903 | #endif |
||
1904 | } else |
||
1905 | goto err; |
||
1906 | |||
1907 | } else if (link_option(option, "as-needed", &p)) { |
||
1908 | ignoring = 1; |
||
1909 | } else if (link_option(option, "O", &p)) { |
||
1910 | ignoring = 1; |
||
1911 | } else if (link_option(option, "rpath=", &p)) { |
||
1912 | s->rpath = copy_linker_arg(p); |
||
1913 | } else if (link_option(option, "section-alignment=", &p)) { |
||
1914 | s->section_align = strtoul(p, &end, 16); |
||
1915 | } else if (link_option(option, "soname=", &p)) { |
||
1916 | s->soname = copy_linker_arg(p); |
||
1917 | #ifdef TCC_TARGET_PE |
||
1918 | } else if (link_option(option, "file-alignment=", &p)) { |
||
1919 | s->pe_file_align = strtoul(p, &end, 16); |
||
1920 | } else if (link_option(option, "stack=", &p)) { |
||
1921 | s->pe_stack_size = strtoul(p, &end, 10); |
||
1922 | } else if (link_option(option, "subsystem=", &p)) { |
||
1923 | #if defined(TCC_TARGET_I386) || defined(TCC_TARGET_X86_64) |
||
1924 | if (!strcmp(p, "native")) { |
||
1925 | s->pe_subsystem = 1; |
||
1926 | } else if (!strcmp(p, "console")) { |
||
1927 | s->pe_subsystem = 3; |
||
1928 | } else if (!strcmp(p, "gui")) { |
||
1929 | s->pe_subsystem = 2; |
||
1930 | } else if (!strcmp(p, "posix")) { |
||
1931 | s->pe_subsystem = 7; |
||
1932 | } else if (!strcmp(p, "efiapp")) { |
||
1933 | s->pe_subsystem = 10; |
||
1934 | } else if (!strcmp(p, "efiboot")) { |
||
1935 | s->pe_subsystem = 11; |
||
1936 | } else if (!strcmp(p, "efiruntime")) { |
||
1937 | s->pe_subsystem = 12; |
||
1938 | } else if (!strcmp(p, "efirom")) { |
||
1939 | s->pe_subsystem = 13; |
||
1940 | #elif defined(TCC_TARGET_ARM) |
||
1941 | if (!strcmp(p, "wince")) { |
||
1942 | s->pe_subsystem = 9; |
||
1943 | #endif |
||
1944 | } else |
||
1945 | goto err; |
||
1946 | #endif |
||
1947 | } else |
||
1948 | goto err; |
||
1949 | |||
1950 | if (ignoring && s->warn_unsupported) err: { |
||
1951 | char buf[100], *e; |
||
1952 | pstrcpy(buf, sizeof buf, e = copy_linker_arg(option)), tcc_free(e); |
||
1953 | if (ignoring) |
||
1954 | tcc_warning("unsupported linker option '%s'", buf); |
||
1955 | else |
||
1956 | tcc_error("unsupported linker option '%s'", buf); |
||
1957 | } |
||
1958 | option = skip_linker_arg(&p); |
||
1959 | } |
||
1960 | return 0; |
||
1961 | } |
||
1962 | |||
1963 | typedef struct TCCOption { |
||
1964 | const char *name; |
||
1965 | uint16_t index; |
||
1966 | uint16_t flags; |
||
1967 | } TCCOption; |
||
1968 | |||
1969 | enum { |
||
1970 | TCC_OPTION_HELP, |
||
1971 | TCC_OPTION_I, |
||
1972 | TCC_OPTION_D, |
||
1973 | TCC_OPTION_U, |
||
1974 | TCC_OPTION_P, |
||
1975 | TCC_OPTION_L, |
||
1976 | TCC_OPTION_B, |
||
1977 | TCC_OPTION_l, |
||
1978 | TCC_OPTION_bench, |
||
1979 | TCC_OPTION_bt, |
||
1980 | TCC_OPTION_b, |
||
1981 | TCC_OPTION_g, |
||
1982 | TCC_OPTION_c, |
||
1983 | TCC_OPTION_C, |
||
1984 | TCC_OPTION_dumpversion, |
||
1985 | TCC_OPTION_d, |
||
1986 | TCC_OPTION_float_abi, |
||
1987 | TCC_OPTION_static, |
||
1988 | TCC_OPTION_std, |
||
1989 | TCC_OPTION_shared, |
||
1990 | TCC_OPTION_soname, |
||
1991 | TCC_OPTION_o, |
||
1992 | TCC_OPTION_r, |
||
1993 | TCC_OPTION_s, |
||
1994 | TCC_OPTION_traditional, |
||
1995 | TCC_OPTION_Wl, |
||
1996 | TCC_OPTION_W, |
||
1997 | TCC_OPTION_O, |
||
1998 | TCC_OPTION_m, |
||
1999 | TCC_OPTION_f, |
||
2000 | TCC_OPTION_isystem, |
||
2001 | TCC_OPTION_iwithprefix, |
||
2002 | TCC_OPTION_nostdinc, |
||
2003 | TCC_OPTION_nostdlib, |
||
2004 | TCC_OPTION_print_search_dirs, |
||
2005 | TCC_OPTION_rdynamic, |
||
2006 | TCC_OPTION_pedantic, |
||
2007 | TCC_OPTION_pthread, |
||
2008 | TCC_OPTION_run, |
||
2009 | TCC_OPTION_v, |
||
2010 | TCC_OPTION_w, |
||
2011 | TCC_OPTION_pipe, |
||
2012 | TCC_OPTION_E, |
||
2013 | TCC_OPTION_MD, |
||
2014 | TCC_OPTION_MF, |
||
6441 | siemargl | 2015 | TCC_OPTION_x, |
2016 | TCC_OPTION_stack |
||
6429 | siemargl | 2017 | }; |
2018 | |||
2019 | #define TCC_OPTION_HAS_ARG 0x0001 |
||
2020 | #define TCC_OPTION_NOSEP 0x0002 /* cannot have space before option and arg */ |
||
2021 | |||
2022 | static const TCCOption tcc_options[] = { |
||
2023 | { "h", TCC_OPTION_HELP, 0 }, |
||
2024 | { "-help", TCC_OPTION_HELP, 0 }, |
||
2025 | { "?", TCC_OPTION_HELP, 0 }, |
||
2026 | { "I", TCC_OPTION_I, TCC_OPTION_HAS_ARG }, |
||
2027 | { "D", TCC_OPTION_D, TCC_OPTION_HAS_ARG }, |
||
2028 | { "U", TCC_OPTION_U, TCC_OPTION_HAS_ARG }, |
||
2029 | { "P", TCC_OPTION_P, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, |
||
2030 | { "L", TCC_OPTION_L, TCC_OPTION_HAS_ARG }, |
||
2031 | { "B", TCC_OPTION_B, TCC_OPTION_HAS_ARG }, |
||
2032 | { "l", TCC_OPTION_l, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, |
||
2033 | { "bench", TCC_OPTION_bench, 0 }, |
||
2034 | #ifdef CONFIG_TCC_BACKTRACE |
||
2035 | { "bt", TCC_OPTION_bt, TCC_OPTION_HAS_ARG }, |
||
2036 | #endif |
||
2037 | #ifdef CONFIG_TCC_BCHECK |
||
2038 | { "b", TCC_OPTION_b, 0 }, |
||
2039 | #endif |
||
2040 | { "g", TCC_OPTION_g, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, |
||
2041 | { "c", TCC_OPTION_c, 0 }, |
||
2042 | { "C", TCC_OPTION_C, 0 }, |
||
2043 | { "dumpversion", TCC_OPTION_dumpversion, 0}, |
||
2044 | { "d", TCC_OPTION_d, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, |
||
2045 | #ifdef TCC_TARGET_ARM |
||
2046 | { "mfloat-abi", TCC_OPTION_float_abi, TCC_OPTION_HAS_ARG }, |
||
2047 | #endif |
||
2048 | { "static", TCC_OPTION_static, 0 }, |
||
2049 | { "std", TCC_OPTION_std, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, |
||
2050 | { "shared", TCC_OPTION_shared, 0 }, |
||
2051 | { "soname", TCC_OPTION_soname, TCC_OPTION_HAS_ARG }, |
||
2052 | { "o", TCC_OPTION_o, TCC_OPTION_HAS_ARG }, |
||
2053 | { "pedantic", TCC_OPTION_pedantic, 0}, |
||
2054 | { "pthread", TCC_OPTION_pthread, 0}, |
||
2055 | { "run", TCC_OPTION_run, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, |
||
2056 | { "rdynamic", TCC_OPTION_rdynamic, 0 }, |
||
2057 | { "r", TCC_OPTION_r, 0 }, |
||
2058 | { "s", TCC_OPTION_s, 0 }, |
||
2059 | { "traditional", TCC_OPTION_traditional, 0 }, |
||
2060 | { "Wl,", TCC_OPTION_Wl, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, |
||
2061 | { "W", TCC_OPTION_W, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, |
||
2062 | { "O", TCC_OPTION_O, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, |
||
2063 | { "m", TCC_OPTION_m, TCC_OPTION_HAS_ARG }, |
||
2064 | { "f", TCC_OPTION_f, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, |
||
2065 | { "isystem", TCC_OPTION_isystem, TCC_OPTION_HAS_ARG }, |
||
2066 | { "iwithprefix", TCC_OPTION_iwithprefix, TCC_OPTION_HAS_ARG }, |
||
2067 | { "nostdinc", TCC_OPTION_nostdinc, 0 }, |
||
2068 | { "nostdlib", TCC_OPTION_nostdlib, 0 }, |
||
2069 | { "print-search-dirs", TCC_OPTION_print_search_dirs, 0 }, |
||
2070 | { "v", TCC_OPTION_v, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, |
||
2071 | { "w", TCC_OPTION_w, 0 }, |
||
2072 | { "pipe", TCC_OPTION_pipe, 0}, |
||
2073 | { "E", TCC_OPTION_E, 0}, |
||
2074 | { "MD", TCC_OPTION_MD, 0}, |
||
2075 | { "MF", TCC_OPTION_MF, TCC_OPTION_HAS_ARG }, |
||
2076 | { "x", TCC_OPTION_x, TCC_OPTION_HAS_ARG }, |
||
6441 | siemargl | 2077 | { "stack", TCC_OPTION_stack, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP}, |
6429 | siemargl | 2078 | { NULL, 0, 0 }, |
2079 | }; |
||
2080 | |||
2081 | static void parse_option_D(TCCState *s1, const char *optarg) |
||
2082 | { |
||
2083 | char *sym = tcc_strdup(optarg); |
||
2084 | char *value = strchr(sym, '='); |
||
2085 | if (value) |
||
2086 | *value++ = '\0'; |
||
2087 | tcc_define_symbol(s1, sym, value); |
||
2088 | tcc_free(sym); |
||
2089 | } |
||
2090 | |||
2091 | static void args_parser_add_file(TCCState *s, const char* filename, int filetype) |
||
2092 | { |
||
2093 | int len = strlen(filename); |
||
2094 | char *p = tcc_malloc(len + 2); |
||
2095 | if (filetype) { |
||
2096 | *p = filetype; |
||
2097 | } |
||
2098 | else { |
||
2099 | /* use a file extension to detect a filetype */ |
||
2100 | const char *ext = tcc_fileextension(filename); |
||
2101 | if (ext[0]) { |
||
2102 | ext++; |
||
2103 | if (!strcmp(ext, "S")) |
||
2104 | *p = TCC_FILETYPE_ASM_PP; |
||
2105 | else |
||
2106 | if (!strcmp(ext, "s")) |
||
2107 | *p = TCC_FILETYPE_ASM; |
||
2108 | else |
||
2109 | if (!PATHCMP(ext, "c") || !PATHCMP(ext, "i")) |
||
2110 | *p = TCC_FILETYPE_C; |
||
2111 | else |
||
2112 | *p = TCC_FILETYPE_BINARY; |
||
2113 | } |
||
2114 | else { |
||
2115 | *p = TCC_FILETYPE_C; |
||
2116 | } |
||
2117 | } |
||
2118 | strcpy(p+1, filename); |
||
2119 | dynarray_add((void ***)&s->files, &s->nb_files, p); |
||
2120 | } |
||
2121 | |||
2122 | ST_FUNC int tcc_parse_args1(TCCState *s, int argc, char **argv) |
||
2123 | { |
||
2124 | const TCCOption *popt; |
||
2125 | const char *optarg, *r; |
||
2126 | int optind = 0; |
||
2127 | ParseArgsState *pas = s->parse_args_state; |
||
2128 | |||
6460 | siemargl | 2129 | /* |
2130 | #ifdef TCC_TARGET_MEOS |
||
2131 | // siemargl testing |
||
2132 | s->output_format = TCC_OUTPUT_FORMAT_COFF; |
||
2133 | #endif |
||
2134 | */ |
||
6429 | siemargl | 2135 | while (optind < argc) { |
2136 | |||
2137 | r = argv[optind++]; |
||
2138 | if (r[0] != '-' || r[1] == '\0') { |
||
2139 | /* handle list files */ |
||
2140 | if (r[0] == '@' && r[1]) { |
||
2141 | char buf[sizeof file->filename], *p; |
||
2142 | char **argv = NULL; |
||
2143 | int argc = 0; |
||
2144 | FILE *fp; |
||
2145 | |||
2146 | fp = fopen(r + 1, "rb"); |
||
2147 | if (fp == NULL) |
||
2148 | tcc_error("list file '%s' not found", r + 1); |
||
2149 | while (fgets(buf, sizeof buf, fp)) { |
||
2150 | p = trimfront(trimback(buf, strchr(buf, 0))); |
||
2151 | if (0 == *p || ';' == *p) |
||
2152 | continue; |
||
2153 | dynarray_add((void ***)&argv, &argc, tcc_strdup(p)); |
||
2154 | } |
||
2155 | fclose(fp); |
||
2156 | tcc_parse_args1(s, argc, argv); |
||
2157 | dynarray_reset(&argv, &argc); |
||
2158 | } else { |
||
2159 | args_parser_add_file(s, r, pas->filetype); |
||
2160 | if (pas->run) { |
||
2161 | optind--; |
||
2162 | /* argv[0] will be this file */ |
||
2163 | break; |
||
2164 | } |
||
2165 | } |
||
2166 | continue; |
||
2167 | } |
||
2168 | |||
2169 | /* find option in table */ |
||
2170 | for(popt = tcc_options; ; ++popt) { |
||
2171 | const char *p1 = popt->name; |
||
2172 | const char *r1 = r + 1; |
||
2173 | if (p1 == NULL) |
||
2174 | tcc_error("invalid option -- '%s'", r); |
||
2175 | if (!strstart(p1, &r1)) |
||
2176 | continue; |
||
2177 | optarg = r1; |
||
2178 | if (popt->flags & TCC_OPTION_HAS_ARG) { |
||
2179 | if (*r1 == '\0' && !(popt->flags & TCC_OPTION_NOSEP)) { |
||
2180 | if (optind >= argc) |
||
2181 | tcc_error("argument to '%s' is missing", r); |
||
2182 | optarg = argv[optind++]; |
||
2183 | } |
||
2184 | } else if (*r1 != '\0') |
||
2185 | continue; |
||
2186 | break; |
||
2187 | } |
||
2188 | |||
2189 | switch(popt->index) { |
||
2190 | case TCC_OPTION_HELP: |
||
2191 | return 0; |
||
2192 | case TCC_OPTION_I: |
||
2193 | tcc_add_include_path(s, optarg); |
||
2194 | break; |
||
2195 | case TCC_OPTION_D: |
||
2196 | parse_option_D(s, optarg); |
||
2197 | break; |
||
2198 | case TCC_OPTION_U: |
||
2199 | tcc_undefine_symbol(s, optarg); |
||
2200 | break; |
||
2201 | case TCC_OPTION_L: |
||
2202 | tcc_add_library_path(s, optarg); |
||
2203 | break; |
||
2204 | case TCC_OPTION_B: |
||
2205 | /* set tcc utilities path (mainly for tcc development) */ |
||
2206 | tcc_set_lib_path(s, optarg); |
||
2207 | break; |
||
2208 | case TCC_OPTION_l: |
||
2209 | args_parser_add_file(s, r, TCC_FILETYPE_BINARY); |
||
2210 | s->nb_libraries++; |
||
2211 | break; |
||
2212 | case TCC_OPTION_pthread: |
||
2213 | parse_option_D(s, "_REENTRANT"); |
||
2214 | pas->pthread = 1; |
||
2215 | break; |
||
2216 | case TCC_OPTION_bench: |
||
2217 | s->do_bench = 1; |
||
2218 | break; |
||
2219 | #ifdef CONFIG_TCC_BACKTRACE |
||
2220 | case TCC_OPTION_bt: |
||
2221 | tcc_set_num_callers(atoi(optarg)); |
||
2222 | break; |
||
2223 | #endif |
||
2224 | #ifdef CONFIG_TCC_BCHECK |
||
2225 | case TCC_OPTION_b: |
||
2226 | s->do_bounds_check = 1; |
||
2227 | s->do_debug = 1; |
||
2228 | break; |
||
2229 | #endif |
||
2230 | case TCC_OPTION_g: |
||
2231 | s->do_debug = 1; |
||
2232 | break; |
||
2233 | case TCC_OPTION_c: |
||
2234 | if (s->output_type) |
||
2235 | tcc_warning("-c: some compiler action already specified (%d)", s->output_type); |
||
2236 | s->output_type = TCC_OUTPUT_OBJ; |
||
2237 | break; |
||
2238 | case TCC_OPTION_C: |
||
2239 | s->option_C = 1; |
||
2240 | break; |
||
2241 | case TCC_OPTION_d: |
||
2242 | if (*optarg == 'D' || *optarg == 'M') |
||
2243 | s->dflag = *optarg; |
||
2244 | else { |
||
2245 | if (s->warn_unsupported) |
||
2246 | goto unsupported_option; |
||
2247 | tcc_error("invalid option -- '%s'", r); |
||
2248 | } |
||
2249 | break; |
||
2250 | #ifdef TCC_TARGET_ARM |
||
2251 | case TCC_OPTION_float_abi: |
||
2252 | /* tcc doesn't support soft float yet */ |
||
2253 | if (!strcmp(optarg, "softfp")) { |
||
2254 | s->float_abi = ARM_SOFTFP_FLOAT; |
||
2255 | tcc_undefine_symbol(s, "__ARM_PCS_VFP"); |
||
2256 | } else if (!strcmp(optarg, "hard")) |
||
2257 | s->float_abi = ARM_HARD_FLOAT; |
||
2258 | else |
||
2259 | tcc_error("unsupported float abi '%s'", optarg); |
||
2260 | break; |
||
2261 | #endif |
||
2262 | case TCC_OPTION_static: |
||
2263 | s->static_link = 1; |
||
2264 | break; |
||
2265 | case TCC_OPTION_std: |
||
2266 | /* silently ignore, a current purpose: |
||
2267 | allow to use a tcc as a reference compiler for "make test" */ |
||
2268 | break; |
||
2269 | case TCC_OPTION_shared: |
||
2270 | if (s->output_type) |
||
2271 | tcc_warning("-shared: some compiler action already specified (%d)", s->output_type); |
||
2272 | s->output_type = TCC_OUTPUT_DLL; |
||
2273 | break; |
||
2274 | case TCC_OPTION_soname: |
||
2275 | s->soname = tcc_strdup(optarg); |
||
2276 | break; |
||
2277 | case TCC_OPTION_m: |
||
2278 | s->option_m = tcc_strdup(optarg); |
||
2279 | break; |
||
2280 | case TCC_OPTION_o: |
||
2281 | if (s->outfile) { |
||
2282 | tcc_warning("multiple -o option"); |
||
2283 | tcc_free(s->outfile); |
||
2284 | } |
||
2285 | s->outfile = tcc_strdup(optarg); |
||
2286 | break; |
||
2287 | case TCC_OPTION_r: |
||
2288 | /* generate a .o merging several output files */ |
||
2289 | if (s->output_type) |
||
2290 | tcc_warning("-r: some compiler action already specified (%d)", s->output_type); |
||
2291 | s->option_r = 1; |
||
2292 | s->output_type = TCC_OUTPUT_OBJ; |
||
2293 | break; |
||
2294 | case TCC_OPTION_isystem: |
||
2295 | tcc_add_sysinclude_path(s, optarg); |
||
2296 | break; |
||
2297 | case TCC_OPTION_iwithprefix: |
||
2298 | if (1) { |
||
2299 | char buf[1024]; |
||
2300 | int buf_size = sizeof(buf)-1; |
||
2301 | char *p = &buf[0]; |
||
2302 | |||
2303 | char *sysroot = "{B}/"; |
||
2304 | int len = strlen(sysroot); |
||
2305 | if (len > buf_size) |
||
2306 | len = buf_size; |
||
2307 | strncpy(p, sysroot, len); |
||
2308 | p += len; |
||
2309 | buf_size -= len; |
||
2310 | |||
2311 | len = strlen(optarg); |
||
2312 | if (len > buf_size) |
||
2313 | len = buf_size; |
||
2314 | strncpy(p, optarg, len+1); |
||
2315 | tcc_add_sysinclude_path(s, buf); |
||
2316 | } |
||
2317 | break; |
||
2318 | case TCC_OPTION_nostdinc: |
||
2319 | s->nostdinc = 1; |
||
2320 | break; |
||
2321 | case TCC_OPTION_nostdlib: |
||
2322 | s->nostdlib = 1; |
||
2323 | break; |
||
2324 | case TCC_OPTION_print_search_dirs: |
||
2325 | s->print_search_dirs = 1; |
||
2326 | break; |
||
2327 | case TCC_OPTION_run: |
||
2328 | if (s->output_type) |
||
2329 | tcc_warning("-run: some compiler action already specified (%d)", s->output_type); |
||
2330 | s->output_type = TCC_OUTPUT_MEMORY; |
||
2331 | tcc_set_options(s, optarg); |
||
2332 | pas->run = 1; |
||
2333 | break; |
||
2334 | case TCC_OPTION_v: |
||
2335 | do ++s->verbose; while (*optarg++ == 'v'); |
||
2336 | break; |
||
2337 | case TCC_OPTION_f: |
||
2338 | if (tcc_set_flag(s, optarg, 1) < 0 && s->warn_unsupported) |
||
2339 | goto unsupported_option; |
||
2340 | break; |
||
2341 | case TCC_OPTION_W: |
||
2342 | if (tcc_set_warning(s, optarg, 1) < 0 && |
||
2343 | s->warn_unsupported) |
||
2344 | goto unsupported_option; |
||
2345 | break; |
||
2346 | case TCC_OPTION_w: |
||
2347 | s->warn_none = 1; |
||
2348 | break; |
||
2349 | case TCC_OPTION_rdynamic: |
||
2350 | s->rdynamic = 1; |
||
2351 | break; |
||
2352 | case TCC_OPTION_Wl: |
||
2353 | if (pas->linker_arg.size) |
||
2354 | --pas->linker_arg.size, cstr_ccat(&pas->linker_arg, ','); |
||
2355 | cstr_cat(&pas->linker_arg, optarg, 0); |
||
2356 | break; |
||
2357 | case TCC_OPTION_E: |
||
2358 | if (s->output_type) |
||
2359 | tcc_warning("-E: some compiler action already specified (%d)", s->output_type); |
||
2360 | s->output_type = TCC_OUTPUT_PREPROCESS; |
||
2361 | break; |
||
2362 | case TCC_OPTION_P: |
||
2363 | s->Pflag = atoi(optarg) + 1; |
||
2364 | break; |
||
2365 | case TCC_OPTION_MD: |
||
2366 | s->gen_deps = 1; |
||
2367 | break; |
||
2368 | case TCC_OPTION_MF: |
||
2369 | s->deps_outfile = tcc_strdup(optarg); |
||
2370 | break; |
||
2371 | case TCC_OPTION_dumpversion: |
||
2372 | printf ("%s\n", TCC_VERSION); |
||
2373 | exit(0); |
||
2374 | case TCC_OPTION_s: |
||
2375 | s->do_strip = 1; |
||
2376 | break; |
||
2377 | case TCC_OPTION_traditional: |
||
2378 | break; |
||
2379 | case TCC_OPTION_x: |
||
2380 | if (*optarg == 'c') |
||
2381 | pas->filetype = TCC_FILETYPE_C; |
||
2382 | else |
||
2383 | if (*optarg == 'a') |
||
2384 | pas->filetype = TCC_FILETYPE_ASM_PP; |
||
2385 | else |
||
2386 | if (*optarg == 'n') |
||
2387 | pas->filetype = 0; |
||
2388 | else |
||
2389 | tcc_warning("unsupported language '%s'", optarg); |
||
2390 | break; |
||
2391 | case TCC_OPTION_O: |
||
2392 | if (1) { |
||
2393 | int opt = atoi(optarg); |
||
2394 | char *sym = "__OPTIMIZE__"; |
||
2395 | if (opt) |
||
2396 | tcc_define_symbol(s, sym, 0); |
||
2397 | else |
||
2398 | tcc_undefine_symbol(s, sym); |
||
2399 | } |
||
2400 | break; |
||
2401 | case TCC_OPTION_pedantic: |
||
2402 | case TCC_OPTION_pipe: |
||
2403 | /* ignored */ |
||
2404 | break; |
||
6441 | siemargl | 2405 | case TCC_OPTION_stack: |
2406 | #ifdef TCC_TARGET_MEOS |
||
2407 | s->pe_stack_size = strtoul(optarg+1, NULL, 10); |
||
2408 | #endif |
||
2409 | break; |
||
6429 | siemargl | 2410 | default: |
2411 | if (s->warn_unsupported) { |
||
2412 | unsupported_option: |
||
2413 | tcc_warning("unsupported option '%s'", r); |
||
2414 | } |
||
2415 | break; |
||
2416 | } |
||
2417 | } |
||
2418 | return optind; |
||
2419 | } |
||
2420 | |||
2421 | PUB_FUNC int tcc_parse_args(TCCState *s, int argc, char **argv) |
||
2422 | { |
||
2423 | ParseArgsState *pas; |
||
2424 | int ret, is_allocated = 0; |
||
2425 | |||
2426 | if (!s->parse_args_state) { |
||
2427 | s->parse_args_state = tcc_mallocz(sizeof(ParseArgsState)); |
||
2428 | cstr_new(&s->parse_args_state->linker_arg); |
||
2429 | is_allocated = 1; |
||
2430 | } |
||
2431 | pas = s->parse_args_state; |
||
2432 | |||
2433 | ret = tcc_parse_args1(s, argc, argv); |
||
2434 | |||
2435 | if (s->output_type == 0) |
||
2436 | s->output_type = TCC_OUTPUT_EXE; |
||
2437 | |||
2438 | if (pas->pthread && s->output_type != TCC_OUTPUT_OBJ) |
||
2439 | tcc_set_options(s, "-lpthread"); |
||
2440 | |||
2441 | if (s->output_type == TCC_OUTPUT_EXE) |
||
2442 | tcc_set_linker(s, (const char *)pas->linker_arg.data); |
||
2443 | |||
2444 | if (is_allocated) { |
||
2445 | cstr_free(&pas->linker_arg); |
||
2446 | tcc_free(pas); |
||
2447 | s->parse_args_state = NULL; |
||
2448 | } |
||
2449 | return ret; |
||
2450 | } |
||
2451 | |||
2452 | LIBTCCAPI int tcc_set_options(TCCState *s, const char *str) |
||
2453 | { |
||
2454 | const char *s1; |
||
2455 | char **argv, *arg; |
||
2456 | int argc, len; |
||
2457 | int ret; |
||
2458 | |||
2459 | argc = 0, argv = NULL; |
||
2460 | for(;;) { |
||
2461 | while (is_space(*str)) |
||
2462 | str++; |
||
2463 | if (*str == '\0') |
||
2464 | break; |
||
2465 | s1 = str; |
||
2466 | while (*str != '\0' && !is_space(*str)) |
||
2467 | str++; |
||
2468 | len = str - s1; |
||
2469 | arg = tcc_malloc(len + 1); |
||
2470 | pstrncpy(arg, s1, len); |
||
2471 | dynarray_add((void ***)&argv, &argc, arg); |
||
2472 | } |
||
2473 | ret = tcc_parse_args(s, argc, argv); |
||
2474 | dynarray_reset(&argv, &argc); |
||
2475 | return ret; |
||
2476 | } |
||
2477 | |||
2478 | PUB_FUNC void tcc_print_stats(TCCState *s, int64_t total_time) |
||
2479 | { |
||
2480 | double tt; |
||
2481 | tt = (double)total_time / 1000000.0; |
||
2482 | if (tt < 0.001) |
||
2483 | tt = 0.001; |
||
2484 | if (total_bytes < 1) |
||
2485 | total_bytes = 1; |
||
2486 | fprintf(stderr, "%d idents, %d lines, %d bytes, %0.3f s, %d lines/s, %0.1f MB/s\n", |
||
2487 | tok_ident - TOK_IDENT, total_lines, total_bytes, |
||
2488 | tt, (int)(total_lines / tt), |
||
2489 | total_bytes / tt / 1000000.0); |
||
2490 | } |
||
2491 | |||
2492 | PUB_FUNC void tcc_set_environment(TCCState *s) |
||
2493 | { |
||
2494 | char * path; |
||
2495 | |||
2496 | path = getenv("C_INCLUDE_PATH"); |
||
2497 | if(path != NULL) { |
||
2498 | tcc_add_include_path(s, path); |
||
2499 | } |
||
2500 | path = getenv("CPATH"); |
||
2501 | if(path != NULL) { |
||
2502 | tcc_add_include_path(s, path); |
||
2503 | } |
||
2504 | path = getenv("LIBRARY_PATH"); |
||
2505 | if(path != NULL) { |
||
2506 | tcc_add_library_path(s, path); |
||
2507 | } |
||
2508 | }>>>>>>>>>>>>>>=>>>>>><>>>>>>>> |