1 | /*
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2 | * TCC - Tiny C Compiler
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3 | *
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4 | * Copyright (c) 2001-2004 Fabrice Bellard
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5 | *
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6 | * This library is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU Lesser General Public
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8 | * License as published by the Free Software Foundation; either
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9 | * version 2 of the License, or (at your option) any later version.
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10 | *
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11 | * This library is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | * Lesser General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU Lesser General Public
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17 | * License along with this library; if not, write to the Free Software
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18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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19 | */
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20 |
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21 | #include "tcc.h"
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22 |
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23 | /********************************************************/
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24 | /* global variables */
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25 |
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26 | /* use GNU C extensions */
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27 | ST_DATA int gnu_ext = 1;
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28 |
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29 | /* use TinyCC extensions */
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30 | ST_DATA int tcc_ext = 1;
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31 |
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32 | /* XXX: get rid of this ASAP */
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33 | ST_DATA struct TCCState *tcc_state;
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34 |
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35 | /********************************************************/
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36 |
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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 | #include "tccrun.c"
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42 | #ifdef TCC_TARGET_I386
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43 | #include "i386-gen.c"
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44 | #endif
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45 | #ifdef TCC_TARGET_ARM
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46 | #include "arm-gen.c"
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47 | #endif
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48 | #ifdef TCC_TARGET_C67
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49 | #include "c67-gen.c"
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50 | #endif
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51 | #ifdef TCC_TARGET_X86_64
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52 | #include "x86_64-gen.c"
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53 | #endif
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54 | #ifdef TCC_TARGET_IL
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55 | #include "il-gen.c"
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56 | #endif
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57 | #ifdef CONFIG_TCC_ASM
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58 | #include "tccasm.c"
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59 | #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
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60 | #include "i386-asm.c"
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61 | #endif
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62 | #endif
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63 | #ifdef TCC_TARGET_COFF
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64 | #include "tcccoff.c"
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65 | #endif
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66 | #ifdef TCC_TARGET_PE
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67 | #include "tccpe.c"
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68 | #endif
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69 | #endif /* ONE_SOURCE */
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70 |
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71 | /********************************************************/
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72 | #ifndef CONFIG_TCC_ASM
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73 | ST_FUNC void asm_instr(void)
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74 | {
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75 | tcc_error("inline asm() not supported");
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76 | }
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77 | ST_FUNC void asm_global_instr(void)
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78 | {
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79 | tcc_error("inline asm() not supported");
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80 | }
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81 | #endif
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82 |
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83 | /********************************************************/
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84 |
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85 | #ifdef _WIN32
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86 | char *normalize_slashes(char *path)
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87 | {
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88 | char *p;
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89 | for (p = path; *p; ++p)
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90 | if (*p == '\\')
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91 | *p = '/';
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92 | return path;
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93 | }
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94 |
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95 | #if 0
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96 | static HMODULE tcc_module;
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97 |
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98 | /* on win32, we suppose the lib and includes are at the location of 'tcc.exe' */
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99 | static void tcc_set_lib_path_w32(TCCState *s)
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100 | {
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101 | char path[1024], *p;
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102 | GetModuleFileNameA(tcc_module, path, sizeof path);
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103 | p = tcc_basename(normalize_slashes(strlwr(path)));
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104 | if (p - 5 > path && 0 == strncmp(p - 5, "/bin/", 5))
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105 | p -= 5;
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106 | else if (p > path)
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107 | p--;
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108 | *p = 0;
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109 | tcc_set_lib_path(s, path);
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110 | }
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111 |
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112 | #ifdef TCC_TARGET_PE
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113 | static void tcc_add_systemdir(TCCState *s)
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114 | {
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115 | char buf[1000];
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116 | GetSystemDirectory(buf, sizeof buf);
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117 | tcc_add_library_path(s, normalize_slashes(buf));
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118 | }
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119 | #endif
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120 |
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121 | #ifndef CONFIG_TCC_STATIC
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122 | void dlclose(void *p)
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123 | {
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124 | FreeLibrary((HMODULE)p);
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125 | }
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126 | #endif
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127 | #else
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128 | extern void tcc_set_lib_path_w32(TCCState *s);
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129 | extern void dlclose(void *p);
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130 | #endif
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131 |
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132 | #ifdef LIBTCC_AS_DLL
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133 | BOOL WINAPI DllMain (HANDLE 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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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200 | /********************************************************/
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201 | /* memory management */
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202 |
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203 | #undef free
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204 | #undef malloc
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205 | #undef realloc
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206 |
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207 | #ifdef MEM_DEBUG
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208 | ST_DATA int mem_cur_size;
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209 | ST_DATA int mem_max_size;
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210 | unsigned malloc_usable_size(void*);
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211 | #endif
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212 |
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213 | PUB_FUNC void tcc_free(void *ptr)
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214 | {
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215 | #ifdef MEM_DEBUG
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216 | mem_cur_size -= malloc_usable_size(ptr);
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217 | #endif
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218 | free(ptr);
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219 | }
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220 |
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221 | PUB_FUNC void *tcc_malloc(unsigned long size)
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222 | {
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223 | void *ptr;
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224 | ptr = malloc(size);
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225 | if (!ptr && size)
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226 | tcc_error("memory full");
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227 | #ifdef MEM_DEBUG
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228 | mem_cur_size += malloc_usable_size(ptr);
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229 | if (mem_cur_size > mem_max_size)
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230 | mem_max_size = mem_cur_size;
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231 | #endif
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232 | return ptr;
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233 | }
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234 |
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235 | PUB_FUNC void *tcc_mallocz(unsigned long size)
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236 | {
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237 | void *ptr;
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238 | ptr = tcc_malloc(size);
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239 | memset(ptr, 0, size);
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240 | return ptr;
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241 | }
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242 |
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243 | PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size)
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244 | {
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245 | void *ptr1;
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246 | #ifdef MEM_DEBUG
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247 | mem_cur_size -= malloc_usable_size(ptr);
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248 | #endif
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249 | ptr1 = realloc(ptr, size);
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250 | if (!ptr1 && size)
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251 | tcc_error("memory full");
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252 | #ifdef MEM_DEBUG
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253 | /* NOTE: count not correct if alloc error, but not critical */
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254 | mem_cur_size += malloc_usable_size(ptr1);
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255 | if (mem_cur_size > mem_max_size)
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256 | mem_max_size = mem_cur_size;
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257 | #endif
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258 | return ptr1;
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259 | }
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260 |
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261 | PUB_FUNC char *tcc_strdup(const char *str)
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262 | {
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263 | char *ptr;
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264 | ptr = tcc_malloc(strlen(str) + 1);
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265 | strcpy(ptr, str);
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266 | return ptr;
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267 | }
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268 |
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269 | PUB_FUNC void tcc_memstats(void)
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270 | {
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271 | #ifdef MEM_DEBUG
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272 | printf("memory: %d bytes, max = %d bytes\n", mem_cur_size, mem_max_size);
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273 | #endif
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274 | }
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275 |
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276 | #define free(p) use_tcc_free(p)
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277 | #define malloc(s) use_tcc_malloc(s)
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278 | #define realloc(p, s) use_tcc_realloc(p, s)
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279 |
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280 | /********************************************************/
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281 | /* dynarrays */
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282 |
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283 | ST_FUNC void dynarray_add(void ***ptab, int *nb_ptr, void *data)
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284 | {
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285 | int nb, nb_alloc;
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286 | void **pp;
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287 |
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288 | nb = *nb_ptr;
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289 | pp = *ptab;
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290 | /* every power of two we double array size */
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291 | if ((nb & (nb - 1)) == 0) {
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292 | if (!nb)
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293 | nb_alloc = 1;
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294 | else
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295 | nb_alloc = nb * 2;
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296 | pp = tcc_realloc(pp, nb_alloc * sizeof(void *));
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297 | *ptab = pp;
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298 | }
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299 | pp[nb++] = data;
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300 | *nb_ptr = nb;
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301 | }
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302 |
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303 | ST_FUNC void dynarray_reset(void *pp, int *n)
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304 | {
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305 | void **p;
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306 | for (p = *(void***)pp; *n; ++p, --*n)
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307 | if (*p)
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308 | tcc_free(*p);
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309 | tcc_free(*(void**)pp);
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310 | *(void**)pp = NULL;
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311 | }
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312 |
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313 | static void tcc_split_path(TCCState *s, void ***p_ary, int *p_nb_ary, const char *in)
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314 | {
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315 | const char *p;
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316 | do {
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317 | int c;
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318 | CString str;
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319 |
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320 | cstr_new(&str);
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321 | for (p = in; c = *p, c != '\0' && c != PATHSEP; ++p) {
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322 | if (c == '{' && p[1] && p[2] == '}') {
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323 | c = p[1], p += 2;
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324 | if (c == 'B')
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325 | cstr_cat(&str, s->tcc_lib_path);
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326 | } else {
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327 | cstr_ccat(&str, c);
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328 | }
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329 | }
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330 | cstr_ccat(&str, '\0');
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331 | dynarray_add(p_ary, p_nb_ary, str.data);
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332 | in = p+1;
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333 | } while (*p);
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334 | }
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335 |
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336 | /********************************************************/
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337 |
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338 | ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags)
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339 | {
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340 | Section *sec;
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341 |
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342 | sec = tcc_mallocz(sizeof(Section) + strlen(name));
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343 | strcpy(sec->name, name);
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344 | sec->sh_type = sh_type;
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345 | sec->sh_flags = sh_flags;
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346 | switch(sh_type) {
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347 | case SHT_HASH:
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348 | case SHT_REL:
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349 | case SHT_RELA:
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350 | case SHT_DYNSYM:
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351 | case SHT_SYMTAB:
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352 | case SHT_DYNAMIC:
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353 | sec->sh_addralign = 4;
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354 | break;
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355 | case SHT_STRTAB:
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356 | sec->sh_addralign = 1;
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357 | break;
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358 | default:
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359 | sec->sh_addralign = 32; /* default conservative alignment */
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360 | break;
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361 | }
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362 |
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363 | if (sh_flags & SHF_PRIVATE) {
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364 | dynarray_add((void ***)&s1->priv_sections, &s1->nb_priv_sections, sec);
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365 | } else {
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366 | sec->sh_num = s1->nb_sections;
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367 | dynarray_add((void ***)&s1->sections, &s1->nb_sections, sec);
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368 | }
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369 |
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370 | return sec;
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371 | }
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372 |
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373 | static void free_section(Section *s)
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374 | {
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375 | tcc_free(s->data);
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376 | }
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377 |
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378 | /* realloc section and set its content to zero */
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379 | ST_FUNC void section_realloc(Section *sec, unsigned long new_size)
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380 | {
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381 | unsigned long size;
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382 | unsigned char *data;
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383 |
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384 | size = sec->data_allocated;
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385 | if (size == 0)
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386 | size = 1;
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387 | while (size < new_size)
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388 | size = size * 2;
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389 | data = tcc_realloc(sec->data, size);
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390 | memset(data + sec->data_allocated, 0, size - sec->data_allocated);
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391 | sec->data = data;
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392 | sec->data_allocated = size;
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393 | }
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394 |
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395 | /* reserve at least 'size' bytes in section 'sec' from
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396 | sec->data_offset. */
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397 | ST_FUNC void *section_ptr_add(Section *sec, unsigned long size)
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398 | {
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399 | unsigned long offset, offset1;
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400 |
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401 | offset = sec->data_offset;
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402 | offset1 = offset + size;
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403 | if (offset1 > sec->data_allocated)
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404 | section_realloc(sec, offset1);
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405 | sec->data_offset = offset1;
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406 | return sec->data + offset;
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407 | }
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408 |
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409 | /* reserve at least 'size' bytes from section start */
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410 | ST_FUNC void section_reserve(Section *sec, unsigned long size)
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411 | {
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412 | if (size > sec->data_allocated)
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413 | section_realloc(sec, size);
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414 | if (size > sec->data_offset)
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415 | sec->data_offset = size;
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416 | }
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417 |
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418 | /* return a reference to a section, and create it if it does not
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419 | exists */
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420 | ST_FUNC Section *find_section(TCCState *s1, const char *name)
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421 | {
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422 | Section *sec;
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423 | int i;
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424 | for(i = 1; i < s1->nb_sections; i++) {
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425 | sec = s1->sections[i];
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426 | if (!strcmp(name, sec->name))
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427 | return sec;
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428 | }
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429 | /* sections are created as PROGBITS */
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430 | return new_section(s1, name, SHT_PROGBITS, SHF_ALLOC);
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431 | }
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432 |
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433 | /* update sym->c so that it points to an external symbol in section
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434 | 'section' with value 'value' */
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435 | ST_FUNC void put_extern_sym2(Sym *sym, Section *section,
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436 | addr_t value, unsigned long size,
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437 | int can_add_underscore)
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438 | {
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439 | int sym_type, sym_bind, sh_num, info, other;
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440 | ElfW(Sym) *esym;
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441 | const char *name;
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442 | char buf1[256];
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443 |
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444 | if (section == NULL)
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445 | sh_num = SHN_UNDEF;
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446 | else if (section == SECTION_ABS)
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447 | sh_num = SHN_ABS;
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448 | else
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449 | sh_num = section->sh_num;
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450 |
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451 | if ((sym->type.t & VT_BTYPE) == VT_FUNC) {
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452 | sym_type = STT_FUNC;
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453 | } else if ((sym->type.t & VT_BTYPE) == VT_VOID) {
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454 | sym_type = STT_NOTYPE;
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455 | } else {
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456 | sym_type = STT_OBJECT;
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457 | }
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458 |
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459 | if (sym->type.t & VT_STATIC)
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460 | sym_bind = STB_LOCAL;
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461 | else {
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462 | if (sym->type.t & VT_WEAK)
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463 | sym_bind = STB_WEAK;
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464 | else
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465 | sym_bind = STB_GLOBAL;
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466 | }
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467 |
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468 | if (!sym->c) {
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469 | name = get_tok_str(sym->v, NULL);
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470 | #ifdef CONFIG_TCC_BCHECK
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471 | if (tcc_state->do_bounds_check) {
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472 | char buf[32];
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473 |
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474 | /* XXX: avoid doing that for statics ? */
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475 | /* if bound checking is activated, we change some function
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476 | names by adding the "__bound" prefix */
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477 | switch(sym->v) {
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478 | #ifdef TCC_TARGET_PE
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479 | /* XXX: we rely only on malloc hooks */
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480 | case TOK_malloc:
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481 | case TOK_free:
|
---|
482 | case TOK_realloc:
|
---|
483 | case TOK_memalign:
|
---|
484 | case TOK_calloc:
|
---|
485 | #endif
|
---|
486 | case TOK_memcpy:
|
---|
487 | case TOK_memmove:
|
---|
488 | case TOK_memset:
|
---|
489 | case TOK_strlen:
|
---|
490 | case TOK_strcpy:
|
---|
491 | #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
|
---|
492 | case TOK_alloca:
|
---|
493 | #endif
|
---|
494 | strcpy(buf, "__bound_");
|
---|
495 | strcat(buf, name);
|
---|
496 | name = buf;
|
---|
497 | break;
|
---|
498 | }
|
---|
499 | }
|
---|
500 | #endif
|
---|
501 | other = 0;
|
---|
502 |
|
---|
503 | #ifdef TCC_TARGET_PE
|
---|
504 | if (sym->type.t & VT_EXPORT)
|
---|
505 | other |= 1;
|
---|
506 | if (sym_type == STT_FUNC && sym->type.ref) {
|
---|
507 | int attr = sym->type.ref->r;
|
---|
508 | if (FUNC_EXPORT(attr))
|
---|
509 | other |= 1;
|
---|
510 | if (FUNC_CALL(attr) == FUNC_STDCALL && can_add_underscore) {
|
---|
511 | sprintf(buf1, "_%s@%d", name, FUNC_ARGS(attr) * PTR_SIZE);
|
---|
512 | name = buf1;
|
---|
513 | other |= 2;
|
---|
514 | can_add_underscore = 0;
|
---|
515 | }
|
---|
516 | } else {
|
---|
517 | if (find_elf_sym(tcc_state->dynsymtab_section, name))
|
---|
518 | other |= 4;
|
---|
519 | if (sym->type.t & VT_IMPORT)
|
---|
520 | other |= 4;
|
---|
521 | }
|
---|
522 | #endif
|
---|
523 | if (tcc_state->leading_underscore && can_add_underscore) {
|
---|
524 | buf1[0] = '_';
|
---|
525 | pstrcpy(buf1 + 1, sizeof(buf1) - 1, name);
|
---|
526 | name = buf1;
|
---|
527 | }
|
---|
528 | if (sym->asm_label) {
|
---|
529 | name = sym->asm_label;
|
---|
530 | }
|
---|
531 | info = ELFW(ST_INFO)(sym_bind, sym_type);
|
---|
532 | sym->c = add_elf_sym(symtab_section, value, size, info, other, sh_num, name);
|
---|
533 | } else {
|
---|
534 | esym = &((ElfW(Sym) *)symtab_section->data)[sym->c];
|
---|
535 | esym->st_value = value;
|
---|
536 | esym->st_size = size;
|
---|
537 | esym->st_shndx = sh_num;
|
---|
538 | }
|
---|
539 | }
|
---|
540 |
|
---|
541 | ST_FUNC void put_extern_sym(Sym *sym, Section *section,
|
---|
542 | addr_t value, unsigned long size)
|
---|
543 | {
|
---|
544 | put_extern_sym2(sym, section, value, size, 1);
|
---|
545 | }
|
---|
546 |
|
---|
547 | /* add a new relocation entry to symbol 'sym' in section 's' */
|
---|
548 | ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type)
|
---|
549 | {
|
---|
550 | int c = 0;
|
---|
551 | if (sym) {
|
---|
552 | if (0 == sym->c)
|
---|
553 | put_extern_sym(sym, NULL, 0, 0);
|
---|
554 | c = sym->c;
|
---|
555 | }
|
---|
556 | /* now we can add ELF relocation info */
|
---|
557 | put_elf_reloc(symtab_section, s, offset, type, c);
|
---|
558 | }
|
---|
559 |
|
---|
560 | /********************************************************/
|
---|
561 |
|
---|
562 | static void strcat_vprintf(char *buf, int buf_size, const char *fmt, va_list ap)
|
---|
563 | {
|
---|
564 | int len;
|
---|
565 | len = strlen(buf);
|
---|
566 | vsnprintf(buf + len, buf_size - len, fmt, ap);
|
---|
567 | }
|
---|
568 |
|
---|
569 | static void strcat_printf(char *buf, int buf_size, const char *fmt, ...)
|
---|
570 | {
|
---|
571 | va_list ap;
|
---|
572 | va_start(ap, fmt);
|
---|
573 | strcat_vprintf(buf, buf_size, fmt, ap);
|
---|
574 | va_end(ap);
|
---|
575 | }
|
---|
576 |
|
---|
577 | static void error1(TCCState *s1, int is_warning, const char *fmt, va_list ap)
|
---|
578 | {
|
---|
579 | char buf[2048];
|
---|
580 | BufferedFile **pf, *f;
|
---|
581 |
|
---|
582 | buf[0] = '\0';
|
---|
583 | /* use upper file if inline ":asm:" or token ":paste:" */
|
---|
584 | for (f = file; f && f->filename[0] == ':'; f = f->prev);
|
---|
585 | if (f) {
|
---|
586 | for(pf = s1->include_stack; pf < s1->include_stack_ptr; pf++)
|
---|
587 | strcat_printf(buf, sizeof(buf), "In file included from %s:%d:\n",
|
---|
588 | (*pf)->filename, (*pf)->line_num);
|
---|
589 | if (f->line_num > 0) {
|
---|
590 | strcat_printf(buf, sizeof(buf), "%s:%d: ",
|
---|
591 | f->filename, f->line_num);
|
---|
592 | } else {
|
---|
593 | strcat_printf(buf, sizeof(buf), "%s: ",
|
---|
594 | f->filename);
|
---|
595 | }
|
---|
596 | } else {
|
---|
597 | strcat_printf(buf, sizeof(buf), "tcc: ");
|
---|
598 | }
|
---|
599 | if (is_warning)
|
---|
600 | strcat_printf(buf, sizeof(buf), "warning: ");
|
---|
601 | else
|
---|
602 | strcat_printf(buf, sizeof(buf), "error: ");
|
---|
603 | strcat_vprintf(buf, sizeof(buf), fmt, ap);
|
---|
604 |
|
---|
605 | if (!s1->error_func) {
|
---|
606 | /* default case: stderr */
|
---|
607 | fprintf(stderr, "%s\n", buf);
|
---|
608 | } else {
|
---|
609 | s1->error_func(s1->error_opaque, buf);
|
---|
610 | }
|
---|
611 | if (!is_warning || s1->warn_error)
|
---|
612 | s1->nb_errors++;
|
---|
613 | }
|
---|
614 |
|
---|
615 | LIBTCCAPI void tcc_set_error_func(TCCState *s, void *error_opaque,
|
---|
616 | void (*error_func)(void *opaque, const char *msg))
|
---|
617 | {
|
---|
618 | s->error_opaque = error_opaque;
|
---|
619 | s->error_func = error_func;
|
---|
620 | }
|
---|
621 |
|
---|
622 | /* error without aborting current compilation */
|
---|
623 | PUB_FUNC void tcc_error_noabort(const char *fmt, ...)
|
---|
624 | {
|
---|
625 | TCCState *s1 = tcc_state;
|
---|
626 | va_list ap;
|
---|
627 |
|
---|
628 | va_start(ap, fmt);
|
---|
629 | error1(s1, 0, fmt, ap);
|
---|
630 | va_end(ap);
|
---|
631 | }
|
---|
632 |
|
---|
633 | PUB_FUNC void tcc_error(const char *fmt, ...)
|
---|
634 | {
|
---|
635 | TCCState *s1 = tcc_state;
|
---|
636 | va_list ap;
|
---|
637 |
|
---|
638 | va_start(ap, fmt);
|
---|
639 | error1(s1, 0, fmt, ap);
|
---|
640 | va_end(ap);
|
---|
641 | /* better than nothing: in some cases, we accept to handle errors */
|
---|
642 | if (s1->error_set_jmp_enabled) {
|
---|
643 | longjmp(s1->error_jmp_buf, 1);
|
---|
644 | } else {
|
---|
645 | /* XXX: eliminate this someday */
|
---|
646 | exit(1);
|
---|
647 | }
|
---|
648 | }
|
---|
649 |
|
---|
650 | PUB_FUNC void tcc_warning(const char *fmt, ...)
|
---|
651 | {
|
---|
652 | TCCState *s1 = tcc_state;
|
---|
653 | va_list ap;
|
---|
654 |
|
---|
655 | if (s1->warn_none)
|
---|
656 | return;
|
---|
657 |
|
---|
658 | va_start(ap, fmt);
|
---|
659 | error1(s1, 1, fmt, ap);
|
---|
660 | va_end(ap);
|
---|
661 | }
|
---|
662 |
|
---|
663 | /********************************************************/
|
---|
664 | /* I/O layer */
|
---|
665 |
|
---|
666 | ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen)
|
---|
667 | {
|
---|
668 | BufferedFile *bf;
|
---|
669 | int buflen = initlen ? initlen : IO_BUF_SIZE;
|
---|
670 |
|
---|
671 | bf = tcc_malloc(sizeof(BufferedFile) + buflen);
|
---|
672 | bf->buf_ptr = bf->buffer;
|
---|
673 | bf->buf_end = bf->buffer + initlen;
|
---|
674 | bf->buf_end[0] = CH_EOB; /* put eob symbol */
|
---|
675 | pstrcpy(bf->filename, sizeof(bf->filename), filename);
|
---|
676 | #ifdef _WIN32
|
---|
677 | normalize_slashes(bf->filename);
|
---|
678 | #endif
|
---|
679 | bf->line_num = 1;
|
---|
680 | bf->ifndef_macro = 0;
|
---|
681 | bf->ifdef_stack_ptr = s1->ifdef_stack_ptr;
|
---|
682 | bf->fd = -1;
|
---|
683 | bf->prev = file;
|
---|
684 | file = bf;
|
---|
685 | }
|
---|
686 |
|
---|
687 | ST_FUNC void tcc_close(void)
|
---|
688 | {
|
---|
689 | BufferedFile *bf = file;
|
---|
690 | if (bf->fd > 0) {
|
---|
691 | close(bf->fd);
|
---|
692 | total_lines += bf->line_num;
|
---|
693 | }
|
---|
694 | file = bf->prev;
|
---|
695 | tcc_free(bf);
|
---|
696 | }
|
---|
697 |
|
---|
698 | ST_FUNC int tcc_open(TCCState *s1, const char *filename)
|
---|
699 | {
|
---|
700 | int fd;
|
---|
701 | if (strcmp(filename, "-") == 0)
|
---|
702 | fd = 0, filename = "stdin";
|
---|
703 | else
|
---|
704 | fd = open(filename, O_RDONLY | O_BINARY);
|
---|
705 | if ((s1->verbose == 2 && fd >= 0) || s1->verbose == 3)
|
---|
706 | printf("%s %*s%s\n", fd < 0 ? "nf":"->",
|
---|
707 | (int)(s1->include_stack_ptr - s1->include_stack), "", filename);
|
---|
708 | if (fd < 0)
|
---|
709 | return -1;
|
---|
710 |
|
---|
711 | tcc_open_bf(s1, filename, 0);
|
---|
712 | file->fd = fd;
|
---|
713 | return fd;
|
---|
714 | }
|
---|
715 |
|
---|
716 | /* compile the C file opened in 'file'. Return non zero if errors. */
|
---|
717 | static int tcc_compile(TCCState *s1)
|
---|
718 | {
|
---|
719 | Sym *define_start;
|
---|
720 | SValue *pvtop;
|
---|
721 | char buf[512];
|
---|
722 | volatile int section_sym;
|
---|
723 |
|
---|
724 | #ifdef INC_DEBUG
|
---|
725 | printf("%s: **** new file\n", file->filename);
|
---|
726 | #endif
|
---|
727 | preprocess_init(s1);
|
---|
728 |
|
---|
729 | cur_text_section = NULL;
|
---|
730 | funcname = "";
|
---|
731 | anon_sym = SYM_FIRST_ANOM;
|
---|
732 |
|
---|
733 | /* file info: full path + filename */
|
---|
734 | section_sym = 0; /* avoid warning */
|
---|
735 | if (s1->do_debug) {
|
---|
736 | section_sym = put_elf_sym(symtab_section, 0, 0,
|
---|
737 | ELFW(ST_INFO)(STB_LOCAL, STT_SECTION), 0,
|
---|
738 | text_section->sh_num, NULL);
|
---|
739 | getcwd(buf, sizeof(buf));
|
---|
740 | #ifdef _WIN32
|
---|
741 | normalize_slashes(buf);
|
---|
742 | #endif
|
---|
743 | pstrcat(buf, sizeof(buf), "/");
|
---|
744 | put_stabs_r(buf, N_SO, 0, 0,
|
---|
745 | text_section->data_offset, text_section, section_sym);
|
---|
746 | put_stabs_r(file->filename, N_SO, 0, 0,
|
---|
747 | text_section->data_offset, text_section, section_sym);
|
---|
748 | }
|
---|
749 | /* an elf symbol of type STT_FILE must be put so that STB_LOCAL
|
---|
750 | symbols can be safely used */
|
---|
751 | put_elf_sym(symtab_section, 0, 0,
|
---|
752 | ELFW(ST_INFO)(STB_LOCAL, STT_FILE), 0,
|
---|
753 | SHN_ABS, file->filename);
|
---|
754 |
|
---|
755 | /* define some often used types */
|
---|
756 | int_type.t = VT_INT;
|
---|
757 |
|
---|
758 | char_pointer_type.t = VT_BYTE;
|
---|
759 | mk_pointer(&char_pointer_type);
|
---|
760 |
|
---|
761 | #if PTR_SIZE == 4
|
---|
762 | size_type.t = VT_INT;
|
---|
763 | #else
|
---|
764 | size_type.t = VT_LLONG;
|
---|
765 | #endif
|
---|
766 |
|
---|
767 | func_old_type.t = VT_FUNC;
|
---|
768 | func_old_type.ref = sym_push(SYM_FIELD, &int_type, FUNC_CDECL, FUNC_OLD);
|
---|
769 | #ifdef TCC_TARGET_ARM
|
---|
770 | arm_init_types();
|
---|
771 | #endif
|
---|
772 |
|
---|
773 | #if 0
|
---|
774 | /* define 'void *alloca(unsigned int)' builtin function */
|
---|
775 | {
|
---|
776 | Sym *s1;
|
---|
777 |
|
---|
778 | p = anon_sym++;
|
---|
779 | sym = sym_push(p, mk_pointer(VT_VOID), FUNC_CDECL, FUNC_NEW);
|
---|
780 | s1 = sym_push(SYM_FIELD, VT_UNSIGNED | VT_INT, 0, 0);
|
---|
781 | s1->next = NULL;
|
---|
782 | sym->next = s1;
|
---|
783 | sym_push(TOK_alloca, VT_FUNC | (p << VT_STRUCT_SHIFT), VT_CONST, 0);
|
---|
784 | }
|
---|
785 | #endif
|
---|
786 |
|
---|
787 | define_start = define_stack;
|
---|
788 | nocode_wanted = 1;
|
---|
789 |
|
---|
790 | if (setjmp(s1->error_jmp_buf) == 0) {
|
---|
791 | s1->nb_errors = 0;
|
---|
792 | s1->error_set_jmp_enabled = 1;
|
---|
793 |
|
---|
794 | ch = file->buf_ptr[0];
|
---|
795 | tok_flags = TOK_FLAG_BOL | TOK_FLAG_BOF;
|
---|
796 | parse_flags = PARSE_FLAG_PREPROCESS | PARSE_FLAG_TOK_NUM;
|
---|
797 | pvtop = vtop;
|
---|
798 | next();
|
---|
799 | decl(VT_CONST);
|
---|
800 | if (tok != TOK_EOF)
|
---|
801 | expect("declaration");
|
---|
802 | if (pvtop != vtop)
|
---|
803 | tcc_warning("internal compiler error: vstack leak? (%d)", vtop - pvtop);
|
---|
804 |
|
---|
805 | /* end of translation unit info */
|
---|
806 | if (s1->do_debug) {
|
---|
807 | put_stabs_r(NULL, N_SO, 0, 0,
|
---|
808 | text_section->data_offset, text_section, section_sym);
|
---|
809 | }
|
---|
810 | }
|
---|
811 |
|
---|
812 | s1->error_set_jmp_enabled = 0;
|
---|
813 |
|
---|
814 | /* reset define stack, but leave -Dsymbols (may be incorrect if
|
---|
815 | they are undefined) */
|
---|
816 | free_defines(define_start);
|
---|
817 |
|
---|
818 | gen_inline_functions();
|
---|
819 |
|
---|
820 | sym_pop(&global_stack, NULL);
|
---|
821 | sym_pop(&local_stack, NULL);
|
---|
822 |
|
---|
823 | return s1->nb_errors != 0 ? -1 : 0;
|
---|
824 | }
|
---|
825 |
|
---|
826 | LIBTCCAPI int tcc_compile_string(TCCState *s, const char *str)
|
---|
827 | {
|
---|
828 | int len, ret;
|
---|
829 | len = strlen(str);
|
---|
830 |
|
---|
831 | tcc_open_bf(s, "<string>", len);
|
---|
832 | memcpy(file->buffer, str, len);
|
---|
833 | ret = tcc_compile(s);
|
---|
834 | tcc_close();
|
---|
835 | return ret;
|
---|
836 | }
|
---|
837 |
|
---|
838 | /* define a preprocessor symbol. A value can also be provided with the '=' operator */
|
---|
839 | LIBTCCAPI void tcc_define_symbol(TCCState *s1, const char *sym, const char *value)
|
---|
840 | {
|
---|
841 | int len1, len2;
|
---|
842 | /* default value */
|
---|
843 | if (!value)
|
---|
844 | value = "1";
|
---|
845 | len1 = strlen(sym);
|
---|
846 | len2 = strlen(value);
|
---|
847 |
|
---|
848 | /* init file structure */
|
---|
849 | tcc_open_bf(s1, "<define>", len1 + len2 + 1);
|
---|
850 | memcpy(file->buffer, sym, len1);
|
---|
851 | file->buffer[len1] = ' ';
|
---|
852 | memcpy(file->buffer + len1 + 1, value, len2);
|
---|
853 |
|
---|
854 | /* parse with define parser */
|
---|
855 | ch = file->buf_ptr[0];
|
---|
856 | next_nomacro();
|
---|
857 | parse_define();
|
---|
858 |
|
---|
859 | tcc_close();
|
---|
860 | }
|
---|
861 |
|
---|
862 | /* undefine a preprocessor symbol */
|
---|
863 | LIBTCCAPI void tcc_undefine_symbol(TCCState *s1, const char *sym)
|
---|
864 | {
|
---|
865 | TokenSym *ts;
|
---|
866 | Sym *s;
|
---|
867 | ts = tok_alloc(sym, strlen(sym));
|
---|
868 | s = define_find(ts->tok);
|
---|
869 | /* undefine symbol by putting an invalid name */
|
---|
870 | if (s)
|
---|
871 | define_undef(s);
|
---|
872 | }
|
---|
873 |
|
---|
874 | /* cleanup all static data used during compilation */
|
---|
875 | static void tcc_cleanup(void)
|
---|
876 | {
|
---|
877 | int i, n;
|
---|
878 | if (NULL == tcc_state)
|
---|
879 | return;
|
---|
880 | tcc_state = NULL;
|
---|
881 |
|
---|
882 | /* free -D defines */
|
---|
883 | free_defines(NULL);
|
---|
884 |
|
---|
885 | /* free tokens */
|
---|
886 | n = tok_ident - TOK_IDENT;
|
---|
887 | for(i = 0; i < n; i++)
|
---|
888 | tcc_free(table_ident[i]);
|
---|
889 | tcc_free(table_ident);
|
---|
890 |
|
---|
891 | /* free sym_pools */
|
---|
892 | dynarray_reset(&sym_pools, &nb_sym_pools);
|
---|
893 | /* string buffer */
|
---|
894 | cstr_free(&tokcstr);
|
---|
895 | /* reset symbol stack */
|
---|
896 | sym_free_first = NULL;
|
---|
897 | /* cleanup from error/setjmp */
|
---|
898 | macro_ptr = NULL;
|
---|
899 | }
|
---|
900 |
|
---|
901 | LIBTCCAPI TCCState *tcc_new(void)
|
---|
902 | {
|
---|
903 | TCCState *s;
|
---|
904 | char buffer[100];
|
---|
905 | int a,b,c;
|
---|
906 |
|
---|
907 | tcc_cleanup();
|
---|
908 |
|
---|
909 | s = tcc_mallocz(sizeof(TCCState));
|
---|
910 | if (!s)
|
---|
911 | return NULL;
|
---|
912 | tcc_state = s;
|
---|
913 | #ifdef _WIN32
|
---|
914 | tcc_set_lib_path_w32(s);
|
---|
915 | #else
|
---|
916 | tcc_set_lib_path(s, CONFIG_TCCDIR);
|
---|
917 | #endif
|
---|
918 | s->output_type = TCC_OUTPUT_MEMORY;
|
---|
919 | preprocess_new();
|
---|
920 | s->include_stack_ptr = s->include_stack;
|
---|
921 |
|
---|
922 | /* we add dummy defines for some special macros to speed up tests
|
---|
923 | and to have working defined() */
|
---|
924 | define_push(TOK___LINE__, MACRO_OBJ, NULL, NULL);
|
---|
925 | define_push(TOK___FILE__, MACRO_OBJ, NULL, NULL);
|
---|
926 | define_push(TOK___DATE__, MACRO_OBJ, NULL, NULL);
|
---|
927 | define_push(TOK___TIME__, MACRO_OBJ, NULL, NULL);
|
---|
928 |
|
---|
929 | /* define __TINYC__ 92X */
|
---|
930 | sscanf(TCC_VERSION, "%d.%d.%d", &a, &b, &c);
|
---|
931 | sprintf(buffer, "%d", a*10000 + b*100 + c);
|
---|
932 | tcc_define_symbol(s, "__TINYC__", buffer);
|
---|
933 |
|
---|
934 | /* standard defines */
|
---|
935 | tcc_define_symbol(s, "__STDC__", NULL);
|
---|
936 | tcc_define_symbol(s, "__STDC_VERSION__", "199901L");
|
---|
937 |
|
---|
938 | /* target defines */
|
---|
939 | #if defined(TCC_TARGET_I386)
|
---|
940 | tcc_define_symbol(s, "__i386__", NULL);
|
---|
941 | tcc_define_symbol(s, "__i386", NULL);
|
---|
942 | tcc_define_symbol(s, "i386", NULL);
|
---|
943 | #elif defined(TCC_TARGET_X86_64)
|
---|
944 | tcc_define_symbol(s, "__x86_64__", NULL);
|
---|
945 | #elif defined(TCC_TARGET_ARM)
|
---|
946 | tcc_define_symbol(s, "__ARM_ARCH_4__", NULL);
|
---|
947 | tcc_define_symbol(s, "__arm_elf__", NULL);
|
---|
948 | tcc_define_symbol(s, "__arm_elf", NULL);
|
---|
949 | tcc_define_symbol(s, "arm_elf", NULL);
|
---|
950 | tcc_define_symbol(s, "__arm__", NULL);
|
---|
951 | tcc_define_symbol(s, "__arm", NULL);
|
---|
952 | tcc_define_symbol(s, "arm", NULL);
|
---|
953 | tcc_define_symbol(s, "__APCS_32__", NULL);
|
---|
954 | #endif
|
---|
955 |
|
---|
956 | #ifdef TCC_TARGET_PE
|
---|
957 | tcc_define_symbol(s, "_WIN32", NULL);
|
---|
958 | # ifdef TCC_TARGET_X86_64
|
---|
959 | tcc_define_symbol(s, "_WIN64", NULL);
|
---|
960 | # endif
|
---|
961 | #else
|
---|
962 | tcc_define_symbol(s, "__unix__", NULL);
|
---|
963 | tcc_define_symbol(s, "__unix", NULL);
|
---|
964 | tcc_define_symbol(s, "unix", NULL);
|
---|
965 | # if defined(__linux)
|
---|
966 | tcc_define_symbol(s, "__linux__", NULL);
|
---|
967 | tcc_define_symbol(s, "__linux", NULL);
|
---|
968 | # endif
|
---|
969 | # if defined(__FreeBSD__)
|
---|
970 | # define str(s) #s
|
---|
971 | tcc_define_symbol(s, "__FreeBSD__", str( __FreeBSD__));
|
---|
972 | # undef str
|
---|
973 | # endif
|
---|
974 | # if defined(__FreeBSD_kernel__)
|
---|
975 | tcc_define_symbol(s, "__FreeBSD_kernel__", NULL);
|
---|
976 | # endif
|
---|
977 | #endif
|
---|
978 |
|
---|
979 | /* TinyCC & gcc defines */
|
---|
980 | #if defined TCC_TARGET_PE && defined TCC_TARGET_X86_64
|
---|
981 | tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned long long");
|
---|
982 | tcc_define_symbol(s, "__PTRDIFF_TYPE__", "long long");
|
---|
983 | #else
|
---|
984 | tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned long");
|
---|
985 | tcc_define_symbol(s, "__PTRDIFF_TYPE__", "long");
|
---|
986 | #endif
|
---|
987 |
|
---|
988 | #ifdef TCC_TARGET_PE
|
---|
989 | tcc_define_symbol(s, "__WCHAR_TYPE__", "unsigned short");
|
---|
990 | #else
|
---|
991 | tcc_define_symbol(s, "__WCHAR_TYPE__", "int");
|
---|
992 | #endif
|
---|
993 |
|
---|
994 | #ifndef TCC_TARGET_PE
|
---|
995 | /* glibc defines */
|
---|
996 | tcc_define_symbol(s, "__REDIRECT(name, proto, alias)", "name proto __asm__ (#alias)");
|
---|
997 | tcc_define_symbol(s, "__REDIRECT_NTH(name, proto, alias)", "name proto __asm__ (#alias) __THROW");
|
---|
998 | /* default library paths */
|
---|
999 | tcc_add_library_path(s, CONFIG_TCC_LIBPATHS);
|
---|
1000 | /* paths for crt objects */
|
---|
1001 | tcc_split_path(s, (void ***)&s->crt_paths, &s->nb_crt_paths, CONFIG_TCC_CRTPREFIX);
|
---|
1002 | #endif
|
---|
1003 |
|
---|
1004 | /* no section zero */
|
---|
1005 | dynarray_add((void ***)&s->sections, &s->nb_sections, NULL);
|
---|
1006 |
|
---|
1007 | /* create standard sections */
|
---|
1008 | text_section = new_section(s, ".text", SHT_PROGBITS, SHF_ALLOC | SHF_EXECINSTR);
|
---|
1009 | data_section = new_section(s, ".data", SHT_PROGBITS, SHF_ALLOC | SHF_WRITE);
|
---|
1010 | bss_section = new_section(s, ".bss", SHT_NOBITS, SHF_ALLOC | SHF_WRITE);
|
---|
1011 |
|
---|
1012 | /* symbols are always generated for linking stage */
|
---|
1013 | symtab_section = new_symtab(s, ".symtab", SHT_SYMTAB, 0,
|
---|
1014 | ".strtab",
|
---|
1015 | ".hashtab", SHF_PRIVATE);
|
---|
1016 | strtab_section = symtab_section->link;
|
---|
1017 | s->symtab = symtab_section;
|
---|
1018 |
|
---|
1019 | /* private symbol table for dynamic symbols */
|
---|
1020 | s->dynsymtab_section = new_symtab(s, ".dynsymtab", SHT_SYMTAB, SHF_PRIVATE,
|
---|
1021 | ".dynstrtab",
|
---|
1022 | ".dynhashtab", SHF_PRIVATE);
|
---|
1023 | s->alacarte_link = 1;
|
---|
1024 | s->nocommon = 1;
|
---|
1025 | s->section_align = ELF_PAGE_SIZE;
|
---|
1026 |
|
---|
1027 | #ifdef CHAR_IS_UNSIGNED
|
---|
1028 | s->char_is_unsigned = 1;
|
---|
1029 | #endif
|
---|
1030 | /* enable this if you want symbols with leading underscore on windows: */
|
---|
1031 | #if 0 //def TCC_TARGET_PE
|
---|
1032 | s->leading_underscore = 1;
|
---|
1033 | #endif
|
---|
1034 | #ifdef TCC_TARGET_I386
|
---|
1035 | s->seg_size = 32;
|
---|
1036 | #endif
|
---|
1037 | return s;
|
---|
1038 | }
|
---|
1039 |
|
---|
1040 | LIBTCCAPI void tcc_delete(TCCState *s1)
|
---|
1041 | {
|
---|
1042 | int i;
|
---|
1043 |
|
---|
1044 | tcc_cleanup();
|
---|
1045 |
|
---|
1046 | /* free all sections */
|
---|
1047 | for(i = 1; i < s1->nb_sections; i++)
|
---|
1048 | free_section(s1->sections[i]);
|
---|
1049 | dynarray_reset(&s1->sections, &s1->nb_sections);
|
---|
1050 |
|
---|
1051 | for(i = 0; i < s1->nb_priv_sections; i++)
|
---|
1052 | free_section(s1->priv_sections[i]);
|
---|
1053 | dynarray_reset(&s1->priv_sections, &s1->nb_priv_sections);
|
---|
1054 |
|
---|
1055 | /* free any loaded DLLs */
|
---|
1056 | for ( i = 0; i < s1->nb_loaded_dlls; i++) {
|
---|
1057 | DLLReference *ref = s1->loaded_dlls[i];
|
---|
1058 | if ( ref->handle )
|
---|
1059 | dlclose(ref->handle);
|
---|
1060 | }
|
---|
1061 |
|
---|
1062 | /* free loaded dlls array */
|
---|
1063 | dynarray_reset(&s1->loaded_dlls, &s1->nb_loaded_dlls);
|
---|
1064 |
|
---|
1065 | /* free library paths */
|
---|
1066 | dynarray_reset(&s1->library_paths, &s1->nb_library_paths);
|
---|
1067 | dynarray_reset(&s1->crt_paths, &s1->nb_crt_paths);
|
---|
1068 |
|
---|
1069 | /* free include paths */
|
---|
1070 | dynarray_reset(&s1->cached_includes, &s1->nb_cached_includes);
|
---|
1071 | dynarray_reset(&s1->include_paths, &s1->nb_include_paths);
|
---|
1072 | dynarray_reset(&s1->sysinclude_paths, &s1->nb_sysinclude_paths);
|
---|
1073 |
|
---|
1074 | tcc_free(s1->tcc_lib_path);
|
---|
1075 | tcc_free(s1->soname);
|
---|
1076 | tcc_free(s1->rpath);
|
---|
1077 | tcc_free(s1->init_symbol);
|
---|
1078 | tcc_free(s1->fini_symbol);
|
---|
1079 | tcc_free(s1->outfile);
|
---|
1080 | tcc_free(s1->deps_outfile);
|
---|
1081 | dynarray_reset(&s1->files, &s1->nb_files);
|
---|
1082 | dynarray_reset(&s1->target_deps, &s1->nb_target_deps);
|
---|
1083 |
|
---|
1084 | #ifdef TCC_IS_NATIVE
|
---|
1085 | # ifdef HAVE_SELINUX
|
---|
1086 | munmap (s1->write_mem, s1->mem_size);
|
---|
1087 | munmap (s1->runtime_mem, s1->mem_size);
|
---|
1088 | # else
|
---|
1089 | tcc_free(s1->runtime_mem);
|
---|
1090 | # endif
|
---|
1091 | #endif
|
---|
1092 |
|
---|
1093 | tcc_free(s1);
|
---|
1094 | }
|
---|
1095 |
|
---|
1096 | LIBTCCAPI int tcc_add_include_path(TCCState *s, const char *pathname)
|
---|
1097 | {
|
---|
1098 | tcc_split_path(s, (void ***)&s->include_paths, &s->nb_include_paths, pathname);
|
---|
1099 | return 0;
|
---|
1100 | }
|
---|
1101 |
|
---|
1102 | LIBTCCAPI int tcc_add_sysinclude_path(TCCState *s, const char *pathname)
|
---|
1103 | {
|
---|
1104 | tcc_split_path(s, (void ***)&s->sysinclude_paths, &s->nb_sysinclude_paths, pathname);
|
---|
1105 | return 0;
|
---|
1106 | }
|
---|
1107 |
|
---|
1108 | ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags)
|
---|
1109 | {
|
---|
1110 | const char *ext;
|
---|
1111 | ElfW(Ehdr) ehdr;
|
---|
1112 | int fd, ret, size;
|
---|
1113 |
|
---|
1114 | /* find source file type with extension */
|
---|
1115 | ext = tcc_fileextension(filename);
|
---|
1116 | if (ext[0])
|
---|
1117 | ext++;
|
---|
1118 |
|
---|
1119 | #ifdef CONFIG_TCC_ASM
|
---|
1120 | /* if .S file, define __ASSEMBLER__ like gcc does */
|
---|
1121 | if (!strcmp(ext, "S"))
|
---|
1122 | tcc_define_symbol(s1, "__ASSEMBLER__", NULL);
|
---|
1123 | #endif
|
---|
1124 |
|
---|
1125 | /* open the file */
|
---|
1126 | ret = tcc_open(s1, filename);
|
---|
1127 | if (ret < 0) {
|
---|
1128 | if (flags & AFF_PRINT_ERROR)
|
---|
1129 | tcc_error_noabort("file '%s' not found", filename);
|
---|
1130 | return ret;
|
---|
1131 | }
|
---|
1132 |
|
---|
1133 | /* update target deps */
|
---|
1134 | dynarray_add((void ***)&s1->target_deps, &s1->nb_target_deps,
|
---|
1135 | tcc_strdup(filename));
|
---|
1136 |
|
---|
1137 | if (flags & AFF_PREPROCESS) {
|
---|
1138 | ret = tcc_preprocess(s1);
|
---|
1139 | goto the_end;
|
---|
1140 | }
|
---|
1141 |
|
---|
1142 | if (!ext[0] || !PATHCMP(ext, "c")) {
|
---|
1143 | /* C file assumed */
|
---|
1144 | ret = tcc_compile(s1);
|
---|
1145 | goto the_end;
|
---|
1146 | }
|
---|
1147 |
|
---|
1148 | #ifdef CONFIG_TCC_ASM
|
---|
1149 | if (!strcmp(ext, "S")) {
|
---|
1150 | /* preprocessed assembler */
|
---|
1151 | ret = tcc_assemble(s1, 1);
|
---|
1152 | goto the_end;
|
---|
1153 | }
|
---|
1154 |
|
---|
1155 | if (!strcmp(ext, "s")) {
|
---|
1156 | /* non preprocessed assembler */
|
---|
1157 | ret = tcc_assemble(s1, 0);
|
---|
1158 | goto the_end;
|
---|
1159 | }
|
---|
1160 | #endif
|
---|
1161 |
|
---|
1162 | fd = file->fd;
|
---|
1163 | /* assume executable format: auto guess file type */
|
---|
1164 | size = read(fd, &ehdr, sizeof(ehdr));
|
---|
1165 | lseek(fd, 0, SEEK_SET);
|
---|
1166 | if (size <= 0) {
|
---|
1167 | tcc_error_noabort("could not read header");
|
---|
1168 | goto the_end;
|
---|
1169 | }
|
---|
1170 |
|
---|
1171 | if (size == sizeof(ehdr) &&
|
---|
1172 | ehdr.e_ident[0] == ELFMAG0 &&
|
---|
1173 | ehdr.e_ident[1] == ELFMAG1 &&
|
---|
1174 | ehdr.e_ident[2] == ELFMAG2 &&
|
---|
1175 | ehdr.e_ident[3] == ELFMAG3) {
|
---|
1176 |
|
---|
1177 | /* do not display line number if error */
|
---|
1178 | file->line_num = 0;
|
---|
1179 | if (ehdr.e_type == ET_REL) {
|
---|
1180 | ret = tcc_load_object_file(s1, fd, 0);
|
---|
1181 | goto the_end;
|
---|
1182 |
|
---|
1183 | }
|
---|
1184 | #ifndef TCC_TARGET_PE
|
---|
1185 | if (ehdr.e_type == ET_DYN) {
|
---|
1186 | if (s1->output_type == TCC_OUTPUT_MEMORY) {
|
---|
1187 | #ifdef TCC_IS_NATIVE
|
---|
1188 | void *h;
|
---|
1189 | h = dlopen(filename, RTLD_GLOBAL | RTLD_LAZY);
|
---|
1190 | if (h)
|
---|
1191 | #endif
|
---|
1192 | ret = 0;
|
---|
1193 | } else {
|
---|
1194 | ret = tcc_load_dll(s1, fd, filename,
|
---|
1195 | (flags & AFF_REFERENCED_DLL) != 0);
|
---|
1196 | }
|
---|
1197 | goto the_end;
|
---|
1198 | }
|
---|
1199 | #endif
|
---|
1200 | tcc_error_noabort("unrecognized ELF file");
|
---|
1201 | goto the_end;
|
---|
1202 | }
|
---|
1203 |
|
---|
1204 | if (memcmp((char *)&ehdr, ARMAG, 8) == 0) {
|
---|
1205 | file->line_num = 0; /* do not display line number if error */
|
---|
1206 | ret = tcc_load_archive(s1, fd);
|
---|
1207 | goto the_end;
|
---|
1208 | }
|
---|
1209 |
|
---|
1210 | #ifdef TCC_TARGET_COFF
|
---|
1211 | if (*(uint16_t *)(&ehdr) == COFF_C67_MAGIC) {
|
---|
1212 | ret = tcc_load_coff(s1, fd);
|
---|
1213 | goto the_end;
|
---|
1214 | }
|
---|
1215 | #endif
|
---|
1216 |
|
---|
1217 | #ifdef TCC_TARGET_PE
|
---|
1218 | ret = pe_load_file(s1, filename, fd);
|
---|
1219 | #else
|
---|
1220 | /* as GNU ld, consider it is an ld script if not recognized */
|
---|
1221 | ret = tcc_load_ldscript(s1);
|
---|
1222 | #endif
|
---|
1223 | if (ret < 0)
|
---|
1224 | tcc_error_noabort("unrecognized file type");
|
---|
1225 |
|
---|
1226 | the_end:
|
---|
1227 | tcc_close();
|
---|
1228 | return ret;
|
---|
1229 | }
|
---|
1230 |
|
---|
1231 | LIBTCCAPI int tcc_add_file(TCCState *s, const char *filename)
|
---|
1232 | {
|
---|
1233 | if (s->output_type == TCC_OUTPUT_PREPROCESS)
|
---|
1234 | return tcc_add_file_internal(s, filename, AFF_PRINT_ERROR | AFF_PREPROCESS);
|
---|
1235 | else
|
---|
1236 | return tcc_add_file_internal(s, filename, AFF_PRINT_ERROR);
|
---|
1237 | }
|
---|
1238 |
|
---|
1239 | LIBTCCAPI int tcc_add_library_path(TCCState *s, const char *pathname)
|
---|
1240 | {
|
---|
1241 | tcc_split_path(s, (void ***)&s->library_paths, &s->nb_library_paths, pathname);
|
---|
1242 | return 0;
|
---|
1243 | }
|
---|
1244 |
|
---|
1245 | static int tcc_add_library_internal(TCCState *s, const char *fmt,
|
---|
1246 | const char *filename, int flags, char **paths, int nb_paths)
|
---|
1247 | {
|
---|
1248 | char buf[1024];
|
---|
1249 | int i;
|
---|
1250 |
|
---|
1251 | for(i = 0; i < nb_paths; i++) {
|
---|
1252 | snprintf(buf, sizeof(buf), fmt, paths[i], filename);
|
---|
1253 | if (tcc_add_file_internal(s, buf, flags) == 0)
|
---|
1254 | return 0;
|
---|
1255 | }
|
---|
1256 | return -1;
|
---|
1257 | }
|
---|
1258 |
|
---|
1259 | /* find and load a dll. Return non zero if not found */
|
---|
1260 | /* XXX: add '-rpath' option support ? */
|
---|
1261 | ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags)
|
---|
1262 | {
|
---|
1263 | return tcc_add_library_internal(s, "%s/%s", filename, flags,
|
---|
1264 | s->library_paths, s->nb_library_paths);
|
---|
1265 | }
|
---|
1266 |
|
---|
1267 | ST_FUNC int tcc_add_crt(TCCState *s, const char *filename)
|
---|
1268 | {
|
---|
1269 | if (-1 == tcc_add_library_internal(s, "%s/%s",
|
---|
1270 | filename, 0, s->crt_paths, s->nb_crt_paths))
|
---|
1271 | tcc_error_noabort("file '%s' not found", filename);
|
---|
1272 | return 0;
|
---|
1273 | }
|
---|
1274 |
|
---|
1275 | /* the library name is the same as the argument of the '-l' option */
|
---|
1276 | LIBTCCAPI int tcc_add_library(TCCState *s, const char *libraryname)
|
---|
1277 | {
|
---|
1278 | #ifdef TCC_TARGET_PE
|
---|
1279 | const char *libs[] = { "%s/%s.def", "%s/lib%s.def", "%s/%s.dll", "%s/lib%s.dll", "%s/lib%s.a", NULL };
|
---|
1280 | const char **pp = s->static_link ? libs + 4 : libs;
|
---|
1281 | #else
|
---|
1282 | const char *libs[] = { "%s/lib%s.so", "%s/lib%s.a", NULL };
|
---|
1283 | const char **pp = s->static_link ? libs + 1 : libs;
|
---|
1284 | #endif
|
---|
1285 | while (*pp) {
|
---|
1286 | if (0 == tcc_add_library_internal(s, *pp,
|
---|
1287 | libraryname, 0, s->library_paths, s->nb_library_paths))
|
---|
1288 | return 0;
|
---|
1289 | ++pp;
|
---|
1290 | }
|
---|
1291 | return -1;
|
---|
1292 | }
|
---|
1293 |
|
---|
1294 | LIBTCCAPI int tcc_add_symbol(TCCState *s, const char *name, const void *val)
|
---|
1295 | {
|
---|
1296 | #ifdef TCC_TARGET_PE
|
---|
1297 | /* On x86_64 'val' might not be reachable with a 32bit offset.
|
---|
1298 | So it is handled here as if it were in a DLL. */
|
---|
1299 | pe_putimport(s, 0, name, (uintptr_t)val);
|
---|
1300 | #else
|
---|
1301 | /* XXX: Same problem on linux but currently "solved" elsewhere
|
---|
1302 | via the rather dirty 'runtime_plt_and_got' hack. */
|
---|
1303 | add_elf_sym(symtab_section, (uintptr_t)val, 0,
|
---|
1304 | ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE), 0,
|
---|
1305 | SHN_ABS, name);
|
---|
1306 | #endif
|
---|
1307 | return 0;
|
---|
1308 | }
|
---|
1309 |
|
---|
1310 | LIBTCCAPI int tcc_set_output_type(TCCState *s, int output_type)
|
---|
1311 | {
|
---|
1312 | s->output_type = output_type;
|
---|
1313 |
|
---|
1314 | if (!s->nostdinc) {
|
---|
1315 | /* default include paths */
|
---|
1316 | /* -isystem paths have already been handled */
|
---|
1317 | tcc_add_sysinclude_path(s, CONFIG_TCC_SYSINCLUDEPATHS);
|
---|
1318 | }
|
---|
1319 |
|
---|
1320 | /* if bound checking, then add corresponding sections */
|
---|
1321 | #ifdef CONFIG_TCC_BCHECK
|
---|
1322 | if (s->do_bounds_check) {
|
---|
1323 | /* define symbol */
|
---|
1324 | tcc_define_symbol(s, "__BOUNDS_CHECKING_ON", NULL);
|
---|
1325 | /* create bounds sections */
|
---|
1326 | bounds_section = new_section(s, ".bounds",
|
---|
1327 | SHT_PROGBITS, SHF_ALLOC);
|
---|
1328 | lbounds_section = new_section(s, ".lbounds",
|
---|
1329 | SHT_PROGBITS, SHF_ALLOC);
|
---|
1330 | }
|
---|
1331 | #endif
|
---|
1332 |
|
---|
1333 | if (s->char_is_unsigned) {
|
---|
1334 | tcc_define_symbol(s, "__CHAR_UNSIGNED__", NULL);
|
---|
1335 | }
|
---|
1336 |
|
---|
1337 | /* add debug sections */
|
---|
1338 | if (s->do_debug) {
|
---|
1339 | /* stab symbols */
|
---|
1340 | stab_section = new_section(s, ".stab", SHT_PROGBITS, 0);
|
---|
1341 | stab_section->sh_entsize = sizeof(Stab_Sym);
|
---|
1342 | stabstr_section = new_section(s, ".stabstr", SHT_STRTAB, 0);
|
---|
1343 | put_elf_str(stabstr_section, "");
|
---|
1344 | stab_section->link = stabstr_section;
|
---|
1345 | /* put first entry */
|
---|
1346 | put_stabs("", 0, 0, 0, 0);
|
---|
1347 | }
|
---|
1348 |
|
---|
1349 | #ifdef TCC_TARGET_PE
|
---|
1350 | tcc_add_library_path(s, CONFIG_TCC_LIBPATHS);
|
---|
1351 | # ifdef _WIN32
|
---|
1352 | tcc_add_systemdir(s);
|
---|
1353 | # endif
|
---|
1354 | #else
|
---|
1355 | /* add libc crt1/crti objects */
|
---|
1356 | if ((output_type == TCC_OUTPUT_EXE || output_type == TCC_OUTPUT_DLL) &&
|
---|
1357 | !s->nostdlib) {
|
---|
1358 | if (output_type != TCC_OUTPUT_DLL)
|
---|
1359 | tcc_add_crt(s, "crt1.o");
|
---|
1360 | tcc_add_crt(s, "crti.o");
|
---|
1361 | }
|
---|
1362 | #endif
|
---|
1363 | return 0;
|
---|
1364 | }
|
---|
1365 |
|
---|
1366 | LIBTCCAPI void tcc_set_lib_path(TCCState *s, const char *path)
|
---|
1367 | {
|
---|
1368 | tcc_free(s->tcc_lib_path);
|
---|
1369 | s->tcc_lib_path = tcc_strdup(path);
|
---|
1370 | }
|
---|
1371 |
|
---|
1372 | #define WD_ALL 0x0001 /* warning is activated when using -Wall */
|
---|
1373 | #define FD_INVERT 0x0002 /* invert value before storing */
|
---|
1374 |
|
---|
1375 | typedef struct FlagDef {
|
---|
1376 | uint16_t offset;
|
---|
1377 | uint16_t flags;
|
---|
1378 | const char *name;
|
---|
1379 | } FlagDef;
|
---|
1380 |
|
---|
1381 | static const FlagDef warning_defs[] = {
|
---|
1382 | { offsetof(TCCState, warn_unsupported), 0, "unsupported" },
|
---|
1383 | { offsetof(TCCState, warn_write_strings), 0, "write-strings" },
|
---|
1384 | { offsetof(TCCState, warn_error), 0, "error" },
|
---|
1385 | { offsetof(TCCState, warn_implicit_function_declaration), WD_ALL,
|
---|
1386 | "implicit-function-declaration" },
|
---|
1387 | };
|
---|
1388 |
|
---|
1389 | ST_FUNC int set_flag(TCCState *s, const FlagDef *flags, int nb_flags,
|
---|
1390 | const char *name, int value)
|
---|
1391 | {
|
---|
1392 | int i;
|
---|
1393 | const FlagDef *p;
|
---|
1394 | const char *r;
|
---|
1395 |
|
---|
1396 | r = name;
|
---|
1397 | if (r[0] == 'n' && r[1] == 'o' && r[2] == '-') {
|
---|
1398 | r += 3;
|
---|
1399 | value = !value;
|
---|
1400 | }
|
---|
1401 | for(i = 0, p = flags; i < nb_flags; i++, p++) {
|
---|
1402 | if (!strcmp(r, p->name))
|
---|
1403 | goto found;
|
---|
1404 | }
|
---|
1405 | return -1;
|
---|
1406 | found:
|
---|
1407 | if (p->flags & FD_INVERT)
|
---|
1408 | value = !value;
|
---|
1409 | *(int *)((uint8_t *)s + p->offset) = value;
|
---|
1410 | return 0;
|
---|
1411 | }
|
---|
1412 |
|
---|
1413 | /* set/reset a warning */
|
---|
1414 | static int tcc_set_warning(TCCState *s, const char *warning_name, int value)
|
---|
1415 | {
|
---|
1416 | int i;
|
---|
1417 | const FlagDef *p;
|
---|
1418 |
|
---|
1419 | if (!strcmp(warning_name, "all")) {
|
---|
1420 | for(i = 0, p = warning_defs; i < countof(warning_defs); i++, p++) {
|
---|
1421 | if (p->flags & WD_ALL)
|
---|
1422 | *(int *)((uint8_t *)s + p->offset) = 1;
|
---|
1423 | }
|
---|
1424 | return 0;
|
---|
1425 | } else {
|
---|
1426 | return set_flag(s, warning_defs, countof(warning_defs),
|
---|
1427 | warning_name, value);
|
---|
1428 | }
|
---|
1429 | }
|
---|
1430 |
|
---|
1431 | static const FlagDef flag_defs[] = {
|
---|
1432 | { offsetof(TCCState, char_is_unsigned), 0, "unsigned-char" },
|
---|
1433 | { offsetof(TCCState, char_is_unsigned), FD_INVERT, "signed-char" },
|
---|
1434 | { offsetof(TCCState, nocommon), FD_INVERT, "common" },
|
---|
1435 | { offsetof(TCCState, leading_underscore), 0, "leading-underscore" },
|
---|
1436 | };
|
---|
1437 |
|
---|
1438 | /* set/reset a flag */
|
---|
1439 | static int tcc_set_flag(TCCState *s, const char *flag_name, int value)
|
---|
1440 | {
|
---|
1441 | return set_flag(s, flag_defs, countof(flag_defs),
|
---|
1442 | flag_name, value);
|
---|
1443 | }
|
---|
1444 |
|
---|
1445 |
|
---|
1446 | static int strstart(const char *val, const char **str)
|
---|
1447 | {
|
---|
1448 | const char *p, *q;
|
---|
1449 | p = *str;
|
---|
1450 | q = val;
|
---|
1451 | while (*q) {
|
---|
1452 | if (*p != *q)
|
---|
1453 | return 0;
|
---|
1454 | p++;
|
---|
1455 | q++;
|
---|
1456 | }
|
---|
1457 | *str = p;
|
---|
1458 | return 1;
|
---|
1459 | }
|
---|
1460 |
|
---|
1461 | /* Like strstart, but automatically takes into account that ld options can
|
---|
1462 | *
|
---|
1463 | * - start with double or single dash (e.g. '--soname' or '-soname')
|
---|
1464 | * - arguments can be given as separate or after '=' (e.g. '-Wl,-soname,x.so'
|
---|
1465 | * or '-Wl,-soname=x.so')
|
---|
1466 | *
|
---|
1467 | * you provide `val` always in 'option[=]' form (no leading -)
|
---|
1468 | */
|
---|
1469 | static int link_option(const char *str, const char *val, const char **ptr)
|
---|
1470 | {
|
---|
1471 | const char *p, *q;
|
---|
1472 |
|
---|
1473 | /* there should be 1 or 2 dashes */
|
---|
1474 | if (*str++ != '-')
|
---|
1475 | return 0;
|
---|
1476 | if (*str == '-')
|
---|
1477 | str++;
|
---|
1478 |
|
---|
1479 | /* then str & val should match (potentialy up to '=') */
|
---|
1480 | p = str;
|
---|
1481 | q = val;
|
---|
1482 |
|
---|
1483 | while (*q != '\0' && *q != '=') {
|
---|
1484 | if (*p != *q)
|
---|
1485 | return 0;
|
---|
1486 | p++;
|
---|
1487 | q++;
|
---|
1488 | }
|
---|
1489 |
|
---|
1490 | /* '=' near eos means ',' or '=' is ok */
|
---|
1491 | if (*q == '=') {
|
---|
1492 | if (*p != ',' && *p != '=')
|
---|
1493 | return 0;
|
---|
1494 | p++;
|
---|
1495 | q++;
|
---|
1496 | }
|
---|
1497 |
|
---|
1498 | if (ptr)
|
---|
1499 | *ptr = p;
|
---|
1500 | return 1;
|
---|
1501 | }
|
---|
1502 |
|
---|
1503 | static const char *skip_linker_arg(const char **str)
|
---|
1504 | {
|
---|
1505 | const char *s1 = *str;
|
---|
1506 | const char *s2 = strchr(s1, ',');
|
---|
1507 | *str = s2 ? s2++ : (s2 = s1 + strlen(s1));
|
---|
1508 | return s2;
|
---|
1509 | }
|
---|
1510 |
|
---|
1511 | static char *copy_linker_arg(const char *p)
|
---|
1512 | {
|
---|
1513 | const char *q = p;
|
---|
1514 | skip_linker_arg(&q);
|
---|
1515 | return pstrncpy(tcc_malloc(q - p + 1), p, q - p);
|
---|
1516 | }
|
---|
1517 |
|
---|
1518 | /* set linker options */
|
---|
1519 | static int tcc_set_linker(TCCState *s, const char *option)
|
---|
1520 | {
|
---|
1521 | while (option && *option) {
|
---|
1522 |
|
---|
1523 | const char *p = option;
|
---|
1524 | char *end = NULL;
|
---|
1525 | int ignoring = 0;
|
---|
1526 |
|
---|
1527 | if (link_option(option, "Bsymbolic", &p)) {
|
---|
1528 | s->symbolic = 1;
|
---|
1529 | } else if (link_option(option, "nostdlib", &p)) {
|
---|
1530 | s->nostdlib = 1;
|
---|
1531 | } else if (link_option(option, "fini=", &p)) {
|
---|
1532 | s->fini_symbol = copy_linker_arg(p);
|
---|
1533 | ignoring = 1;
|
---|
1534 | } else if (link_option(option, "image-base=", &p)
|
---|
1535 | || link_option(option, "Ttext=", &p)) {
|
---|
1536 | s->text_addr = strtoull(p, &end, 16);
|
---|
1537 | s->has_text_addr = 1;
|
---|
1538 | } else if (link_option(option, "init=", &p)) {
|
---|
1539 | s->init_symbol = copy_linker_arg(p);
|
---|
1540 | ignoring = 1;
|
---|
1541 | } else if (link_option(option, "oformat=", &p)) {
|
---|
1542 | #if defined(TCC_TARGET_PE)
|
---|
1543 | if (strstart("pe-", &p)) {
|
---|
1544 | #elif defined(TCC_TARGET_X86_64)
|
---|
1545 | if (strstart("elf64-", &p)) {
|
---|
1546 | #else
|
---|
1547 | if (strstart("elf32-", &p)) {
|
---|
1548 | #endif
|
---|
1549 | s->output_format = TCC_OUTPUT_FORMAT_ELF;
|
---|
1550 | } else if (!strcmp(p, "binary")) {
|
---|
1551 | s->output_format = TCC_OUTPUT_FORMAT_BINARY;
|
---|
1552 | #ifdef TCC_TARGET_COFF
|
---|
1553 | } else if (!strcmp(p, "coff")) {
|
---|
1554 | s->output_format = TCC_OUTPUT_FORMAT_COFF;
|
---|
1555 | #endif
|
---|
1556 | } else
|
---|
1557 | goto err;
|
---|
1558 |
|
---|
1559 | } else if (link_option(option, "rpath=", &p)) {
|
---|
1560 | s->rpath = copy_linker_arg(p);
|
---|
1561 | } else if (link_option(option, "section-alignment=", &p)) {
|
---|
1562 | s->section_align = strtoul(p, &end, 16);
|
---|
1563 | } else if (link_option(option, "soname=", &p)) {
|
---|
1564 | s->soname = copy_linker_arg(p);
|
---|
1565 | #ifdef TCC_TARGET_PE
|
---|
1566 | } else if (link_option(option, "file-alignment=", &p)) {
|
---|
1567 | s->pe_file_align = strtoul(p, &end, 16);
|
---|
1568 | } else if (link_option(option, "stack=", &p)) {
|
---|
1569 | s->pe_stack_size = strtoul(p, &end, 10);
|
---|
1570 | } else if (link_option(option, "subsystem=", &p)) {
|
---|
1571 | #if defined(TCC_TARGET_I386) || defined(TCC_TARGET_X86_64)
|
---|
1572 | if (!strcmp(p, "native")) {
|
---|
1573 | s->pe_subsystem = 1;
|
---|
1574 | } else if (!strcmp(p, "console")) {
|
---|
1575 | s->pe_subsystem = 3;
|
---|
1576 | } else if (!strcmp(p, "gui")) {
|
---|
1577 | s->pe_subsystem = 2;
|
---|
1578 | } else if (!strcmp(p, "posix")) {
|
---|
1579 | s->pe_subsystem = 7;
|
---|
1580 | } else if (!strcmp(p, "efiapp")) {
|
---|
1581 | s->pe_subsystem = 10;
|
---|
1582 | } else if (!strcmp(p, "efiboot")) {
|
---|
1583 | s->pe_subsystem = 11;
|
---|
1584 | } else if (!strcmp(p, "efiruntime")) {
|
---|
1585 | s->pe_subsystem = 12;
|
---|
1586 | } else if (!strcmp(p, "efirom")) {
|
---|
1587 | s->pe_subsystem = 13;
|
---|
1588 | #elif defined(TCC_TARGET_ARM)
|
---|
1589 | if (!strcmp(p, "wince")) {
|
---|
1590 | s->pe_subsystem = 9;
|
---|
1591 | #endif
|
---|
1592 | } else
|
---|
1593 | goto err;
|
---|
1594 | #endif
|
---|
1595 | } else
|
---|
1596 | goto err;
|
---|
1597 |
|
---|
1598 | if (ignoring && s->warn_unsupported) err: {
|
---|
1599 | char buf[100], *e;
|
---|
1600 | pstrcpy(buf, sizeof buf, e = copy_linker_arg(option)), tcc_free(e);
|
---|
1601 | if (ignoring)
|
---|
1602 | tcc_warning("unsupported linker option '%s'", buf);
|
---|
1603 | else
|
---|
1604 | tcc_error("unsupported linker option '%s'", buf);
|
---|
1605 | }
|
---|
1606 | option = skip_linker_arg(&p);
|
---|
1607 | }
|
---|
1608 | return 0;
|
---|
1609 | }
|
---|
1610 |
|
---|
1611 | typedef struct TCCOption {
|
---|
1612 | const char *name;
|
---|
1613 | uint16_t index;
|
---|
1614 | uint16_t flags;
|
---|
1615 | } TCCOption;
|
---|
1616 |
|
---|
1617 | enum {
|
---|
1618 | TCC_OPTION_HELP,
|
---|
1619 | TCC_OPTION_I,
|
---|
1620 | TCC_OPTION_D,
|
---|
1621 | TCC_OPTION_U,
|
---|
1622 | TCC_OPTION_L,
|
---|
1623 | TCC_OPTION_B,
|
---|
1624 | TCC_OPTION_l,
|
---|
1625 | TCC_OPTION_bench,
|
---|
1626 | TCC_OPTION_bt,
|
---|
1627 | TCC_OPTION_b,
|
---|
1628 | TCC_OPTION_g,
|
---|
1629 | TCC_OPTION_c,
|
---|
1630 | TCC_OPTION_static,
|
---|
1631 | TCC_OPTION_shared,
|
---|
1632 | TCC_OPTION_soname,
|
---|
1633 | TCC_OPTION_o,
|
---|
1634 | TCC_OPTION_r,
|
---|
1635 | TCC_OPTION_s,
|
---|
1636 | TCC_OPTION_Wl,
|
---|
1637 | TCC_OPTION_W,
|
---|
1638 | TCC_OPTION_O,
|
---|
1639 | TCC_OPTION_m,
|
---|
1640 | TCC_OPTION_f,
|
---|
1641 | TCC_OPTION_isystem,
|
---|
1642 | TCC_OPTION_nostdinc,
|
---|
1643 | TCC_OPTION_nostdlib,
|
---|
1644 | TCC_OPTION_print_search_dirs,
|
---|
1645 | TCC_OPTION_rdynamic,
|
---|
1646 | TCC_OPTION_pedantic,
|
---|
1647 | TCC_OPTION_pthread,
|
---|
1648 | TCC_OPTION_run,
|
---|
1649 | TCC_OPTION_v,
|
---|
1650 | TCC_OPTION_w,
|
---|
1651 | TCC_OPTION_pipe,
|
---|
1652 | TCC_OPTION_E,
|
---|
1653 | TCC_OPTION_MD,
|
---|
1654 | TCC_OPTION_MF,
|
---|
1655 | TCC_OPTION_x,
|
---|
1656 | TCC_OPTION_dumpversion,
|
---|
1657 | };
|
---|
1658 |
|
---|
1659 | #define TCC_OPTION_HAS_ARG 0x0001
|
---|
1660 | #define TCC_OPTION_NOSEP 0x0002 /* cannot have space before option and arg */
|
---|
1661 |
|
---|
1662 | static const TCCOption tcc_options[] = {
|
---|
1663 | { "h", TCC_OPTION_HELP, 0 },
|
---|
1664 | { "-help", TCC_OPTION_HELP, 0 },
|
---|
1665 | { "?", TCC_OPTION_HELP, 0 },
|
---|
1666 | { "I", TCC_OPTION_I, TCC_OPTION_HAS_ARG },
|
---|
1667 | { "D", TCC_OPTION_D, TCC_OPTION_HAS_ARG },
|
---|
1668 | { "U", TCC_OPTION_U, TCC_OPTION_HAS_ARG },
|
---|
1669 | { "L", TCC_OPTION_L, TCC_OPTION_HAS_ARG },
|
---|
1670 | { "B", TCC_OPTION_B, TCC_OPTION_HAS_ARG },
|
---|
1671 | { "l", TCC_OPTION_l, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
|
---|
1672 | { "bench", TCC_OPTION_bench, 0 },
|
---|
1673 | #ifdef CONFIG_TCC_BACKTRACE
|
---|
1674 | { "bt", TCC_OPTION_bt, TCC_OPTION_HAS_ARG },
|
---|
1675 | #endif
|
---|
1676 | #ifdef CONFIG_TCC_BCHECK
|
---|
1677 | { "b", TCC_OPTION_b, 0 },
|
---|
1678 | #endif
|
---|
1679 | { "g", TCC_OPTION_g, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
|
---|
1680 | { "c", TCC_OPTION_c, 0 },
|
---|
1681 | { "static", TCC_OPTION_static, 0 },
|
---|
1682 | { "shared", TCC_OPTION_shared, 0 },
|
---|
1683 | { "soname", TCC_OPTION_soname, TCC_OPTION_HAS_ARG },
|
---|
1684 | { "o", TCC_OPTION_o, TCC_OPTION_HAS_ARG },
|
---|
1685 | { "pedantic", TCC_OPTION_pedantic, 0},
|
---|
1686 | { "pthread", TCC_OPTION_pthread, 0},
|
---|
1687 | { "run", TCC_OPTION_run, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
|
---|
1688 | { "rdynamic", TCC_OPTION_rdynamic, 0 },
|
---|
1689 | { "r", TCC_OPTION_r, 0 },
|
---|
1690 | { "s", TCC_OPTION_s, 0 },
|
---|
1691 | { "Wl,", TCC_OPTION_Wl, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
|
---|
1692 | { "W", TCC_OPTION_W, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
|
---|
1693 | { "O", TCC_OPTION_O, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
|
---|
1694 | { "m", TCC_OPTION_m, TCC_OPTION_HAS_ARG },
|
---|
1695 | { "f", TCC_OPTION_f, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
|
---|
1696 | { "isystem", TCC_OPTION_isystem, TCC_OPTION_HAS_ARG },
|
---|
1697 | { "nostdinc", TCC_OPTION_nostdinc, 0 },
|
---|
1698 | { "nostdlib", TCC_OPTION_nostdlib, 0 },
|
---|
1699 | { "print-search-dirs", TCC_OPTION_print_search_dirs, 0 },
|
---|
1700 | { "v", TCC_OPTION_v, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
|
---|
1701 | { "w", TCC_OPTION_w, 0 },
|
---|
1702 | { "pipe", TCC_OPTION_pipe, 0},
|
---|
1703 | { "E", TCC_OPTION_E, 0},
|
---|
1704 | { "MD", TCC_OPTION_MD, 0},
|
---|
1705 | { "MF", TCC_OPTION_MF, TCC_OPTION_HAS_ARG },
|
---|
1706 | { "x", TCC_OPTION_x, TCC_OPTION_HAS_ARG },
|
---|
1707 | { "dumpversion", TCC_OPTION_dumpversion, 0},
|
---|
1708 | { NULL, 0, 0 },
|
---|
1709 | };
|
---|
1710 |
|
---|
1711 | static void parse_option_D(TCCState *s1, const char *optarg)
|
---|
1712 | {
|
---|
1713 | char *sym = tcc_strdup(optarg);
|
---|
1714 | char *value = strchr(sym, '=');
|
---|
1715 | if (value)
|
---|
1716 | *value++ = '\0';
|
---|
1717 | tcc_define_symbol(s1, sym, value);
|
---|
1718 | tcc_free(sym);
|
---|
1719 | }
|
---|
1720 |
|
---|
1721 | PUB_FUNC int tcc_parse_args(TCCState *s, int argc, char **argv)
|
---|
1722 | {
|
---|
1723 | const TCCOption *popt;
|
---|
1724 | const char *optarg, *r;
|
---|
1725 | int run = 0;
|
---|
1726 | int pthread = 0;
|
---|
1727 | int optind = 0;
|
---|
1728 |
|
---|
1729 | /* collect -Wl options for input such as "-Wl,-rpath -Wl,<path>" */
|
---|
1730 | CString linker_arg;
|
---|
1731 | cstr_new(&linker_arg);
|
---|
1732 |
|
---|
1733 | while (optind < argc) {
|
---|
1734 |
|
---|
1735 | r = argv[optind++];
|
---|
1736 | if (r[0] != '-' || r[1] == '\0') {
|
---|
1737 | /* add a new file */
|
---|
1738 | dynarray_add((void ***)&s->files, &s->nb_files, tcc_strdup(r));
|
---|
1739 | if (run) {
|
---|
1740 | optind--;
|
---|
1741 | /* argv[0] will be this file */
|
---|
1742 | break;
|
---|
1743 | }
|
---|
1744 | continue;
|
---|
1745 | }
|
---|
1746 |
|
---|
1747 | /* find option in table */
|
---|
1748 | for(popt = tcc_options; ; ++popt) {
|
---|
1749 | const char *p1 = popt->name;
|
---|
1750 | const char *r1 = r + 1;
|
---|
1751 | if (p1 == NULL)
|
---|
1752 | tcc_error("invalid option -- '%s'", r);
|
---|
1753 | if (!strstart(p1, &r1))
|
---|
1754 | continue;
|
---|
1755 | optarg = r1;
|
---|
1756 | if (popt->flags & TCC_OPTION_HAS_ARG) {
|
---|
1757 | if (*r1 == '\0' && !(popt->flags & TCC_OPTION_NOSEP)) {
|
---|
1758 | if (optind >= argc)
|
---|
1759 | tcc_error("argument to '%s' is missing", r);
|
---|
1760 | optarg = argv[optind++];
|
---|
1761 | }
|
---|
1762 | } else if (*r1 != '\0')
|
---|
1763 | continue;
|
---|
1764 | break;
|
---|
1765 | }
|
---|
1766 |
|
---|
1767 | switch(popt->index) {
|
---|
1768 | case TCC_OPTION_HELP:
|
---|
1769 | return 0;
|
---|
1770 | case TCC_OPTION_I:
|
---|
1771 | if (tcc_add_include_path(s, optarg) < 0)
|
---|
1772 | tcc_error("too many include paths");
|
---|
1773 | break;
|
---|
1774 | case TCC_OPTION_D:
|
---|
1775 | parse_option_D(s, optarg);
|
---|
1776 | break;
|
---|
1777 | case TCC_OPTION_U:
|
---|
1778 | tcc_undefine_symbol(s, optarg);
|
---|
1779 | break;
|
---|
1780 | case TCC_OPTION_L:
|
---|
1781 | tcc_add_library_path(s, optarg);
|
---|
1782 | break;
|
---|
1783 | case TCC_OPTION_B:
|
---|
1784 | /* set tcc utilities path (mainly for tcc development) */
|
---|
1785 | tcc_set_lib_path(s, optarg);
|
---|
1786 | break;
|
---|
1787 | case TCC_OPTION_l:
|
---|
1788 | dynarray_add((void ***)&s->files, &s->nb_files, tcc_strdup(r));
|
---|
1789 | s->nb_libraries++;
|
---|
1790 | break;
|
---|
1791 | case TCC_OPTION_pthread:
|
---|
1792 | parse_option_D(s, "_REENTRANT");
|
---|
1793 | pthread = 1;
|
---|
1794 | break;
|
---|
1795 | case TCC_OPTION_bench:
|
---|
1796 | s->do_bench = 1;
|
---|
1797 | break;
|
---|
1798 | #ifdef CONFIG_TCC_BACKTRACE
|
---|
1799 | case TCC_OPTION_bt:
|
---|
1800 | tcc_set_num_callers(atoi(optarg));
|
---|
1801 | break;
|
---|
1802 | #endif
|
---|
1803 | #ifdef CONFIG_TCC_BCHECK
|
---|
1804 | case TCC_OPTION_b:
|
---|
1805 | s->do_bounds_check = 1;
|
---|
1806 | s->do_debug = 1;
|
---|
1807 | break;
|
---|
1808 | #endif
|
---|
1809 | case TCC_OPTION_g:
|
---|
1810 | s->do_debug = 1;
|
---|
1811 | break;
|
---|
1812 | case TCC_OPTION_c:
|
---|
1813 | s->output_type = TCC_OUTPUT_OBJ;
|
---|
1814 | break;
|
---|
1815 | case TCC_OPTION_static:
|
---|
1816 | s->static_link = 1;
|
---|
1817 | break;
|
---|
1818 | case TCC_OPTION_shared:
|
---|
1819 | s->output_type = TCC_OUTPUT_DLL;
|
---|
1820 | break;
|
---|
1821 | case TCC_OPTION_soname:
|
---|
1822 | s->soname = tcc_strdup(optarg);
|
---|
1823 | break;
|
---|
1824 | case TCC_OPTION_m:
|
---|
1825 | s->option_m = tcc_strdup(optarg);
|
---|
1826 | break;
|
---|
1827 | case TCC_OPTION_o:
|
---|
1828 | s->outfile = tcc_strdup(optarg);
|
---|
1829 | break;
|
---|
1830 | case TCC_OPTION_r:
|
---|
1831 | /* generate a .o merging several output files */
|
---|
1832 | s->option_r = 1;
|
---|
1833 | s->output_type = TCC_OUTPUT_OBJ;
|
---|
1834 | break;
|
---|
1835 | case TCC_OPTION_isystem:
|
---|
1836 | tcc_add_sysinclude_path(s, optarg);
|
---|
1837 | break;
|
---|
1838 | case TCC_OPTION_nostdinc:
|
---|
1839 | s->nostdinc = 1;
|
---|
1840 | break;
|
---|
1841 | case TCC_OPTION_nostdlib:
|
---|
1842 | s->nostdlib = 1;
|
---|
1843 | break;
|
---|
1844 | case TCC_OPTION_print_search_dirs:
|
---|
1845 | s->print_search_dirs = 1;
|
---|
1846 | break;
|
---|
1847 | case TCC_OPTION_run:
|
---|
1848 | s->output_type = TCC_OUTPUT_MEMORY;
|
---|
1849 | tcc_set_options(s, optarg);
|
---|
1850 | run = 1;
|
---|
1851 | break;
|
---|
1852 | case TCC_OPTION_v:
|
---|
1853 | do ++s->verbose; while (*optarg++ == 'v');
|
---|
1854 | break;
|
---|
1855 | case TCC_OPTION_f:
|
---|
1856 | if (tcc_set_flag(s, optarg, 1) < 0 && s->warn_unsupported)
|
---|
1857 | goto unsupported_option;
|
---|
1858 | break;
|
---|
1859 | case TCC_OPTION_W:
|
---|
1860 | if (tcc_set_warning(s, optarg, 1) < 0 &&
|
---|
1861 | s->warn_unsupported)
|
---|
1862 | goto unsupported_option;
|
---|
1863 | break;
|
---|
1864 | case TCC_OPTION_w:
|
---|
1865 | s->warn_none = 1;
|
---|
1866 | break;
|
---|
1867 | case TCC_OPTION_rdynamic:
|
---|
1868 | s->rdynamic = 1;
|
---|
1869 | break;
|
---|
1870 | case TCC_OPTION_Wl:
|
---|
1871 | if (linker_arg.size)
|
---|
1872 | --linker_arg.size, cstr_ccat(&linker_arg, ',');
|
---|
1873 | cstr_cat(&linker_arg, optarg);
|
---|
1874 | cstr_ccat(&linker_arg, '\0');
|
---|
1875 | break;
|
---|
1876 | case TCC_OPTION_E:
|
---|
1877 | s->output_type = TCC_OUTPUT_PREPROCESS;
|
---|
1878 | break;
|
---|
1879 | case TCC_OPTION_MD:
|
---|
1880 | s->gen_deps = 1;
|
---|
1881 | break;
|
---|
1882 | case TCC_OPTION_MF:
|
---|
1883 | s->deps_outfile = tcc_strdup(optarg);
|
---|
1884 | break;
|
---|
1885 | case TCC_OPTION_dumpversion:
|
---|
1886 | printf ("%s\n", TCC_VERSION);
|
---|
1887 | exit(0);
|
---|
1888 | case TCC_OPTION_O:
|
---|
1889 | case TCC_OPTION_pedantic:
|
---|
1890 | case TCC_OPTION_pipe:
|
---|
1891 | case TCC_OPTION_s:
|
---|
1892 | case TCC_OPTION_x:
|
---|
1893 | /* ignored */
|
---|
1894 | break;
|
---|
1895 | default:
|
---|
1896 | if (s->warn_unsupported) {
|
---|
1897 | unsupported_option:
|
---|
1898 | tcc_warning("unsupported option '%s'", r);
|
---|
1899 | }
|
---|
1900 | break;
|
---|
1901 | }
|
---|
1902 | }
|
---|
1903 |
|
---|
1904 | if (pthread && s->output_type != TCC_OUTPUT_OBJ)
|
---|
1905 | tcc_set_options(s, "-lpthread");
|
---|
1906 |
|
---|
1907 | tcc_set_linker(s, (const char *)linker_arg.data);
|
---|
1908 | cstr_free(&linker_arg);
|
---|
1909 |
|
---|
1910 | return optind;
|
---|
1911 | }
|
---|
1912 |
|
---|
1913 | LIBTCCAPI int tcc_set_options(TCCState *s, const char *str)
|
---|
1914 | {
|
---|
1915 | const char *s1;
|
---|
1916 | char **argv, *arg;
|
---|
1917 | int argc, len;
|
---|
1918 | int ret;
|
---|
1919 |
|
---|
1920 | argc = 0, argv = NULL;
|
---|
1921 | for(;;) {
|
---|
1922 | while (is_space(*str))
|
---|
1923 | str++;
|
---|
1924 | if (*str == '\0')
|
---|
1925 | break;
|
---|
1926 | s1 = str;
|
---|
1927 | while (*str != '\0' && !is_space(*str))
|
---|
1928 | str++;
|
---|
1929 | len = str - s1;
|
---|
1930 | arg = tcc_malloc(len + 1);
|
---|
1931 | pstrncpy(arg, s1, len);
|
---|
1932 | dynarray_add((void ***)&argv, &argc, arg);
|
---|
1933 | }
|
---|
1934 | ret = tcc_parse_args(s, argc, argv);
|
---|
1935 | dynarray_reset(&argv, &argc);
|
---|
1936 | return ret;
|
---|
1937 | }
|
---|
1938 |
|
---|
1939 | PUB_FUNC void tcc_print_stats(TCCState *s, int64_t total_time)
|
---|
1940 | {
|
---|
1941 | double tt;
|
---|
1942 | tt = (double)total_time / 1000000.0;
|
---|
1943 | if (tt < 0.001)
|
---|
1944 | tt = 0.001;
|
---|
1945 | if (total_bytes < 1)
|
---|
1946 | total_bytes = 1;
|
---|
1947 | printf("%d idents, %d lines, %d bytes, %0.3f s, %d lines/s, %0.1f MB/s\n",
|
---|
1948 | tok_ident - TOK_IDENT, total_lines, total_bytes,
|
---|
1949 | tt, (int)(total_lines / tt),
|
---|
1950 | total_bytes / tt / 1000000.0);
|
---|
1951 | }
|
---|