FreeCalypso > hg > freecalypso-reveng
annotate leo-obj/tool/disasm.c @ 148:13cc7e19ecec
tiobjd disasm -g: support -b as well
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Tue, 29 Apr 2014 06:45:45 +0000 |
parents | 1e1815a6d701 |
children | df01a4f4c272 |
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1 /* |
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2 * Putting it all together: section-, symbol- and reloc-aware disassembly |
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3 */ |
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4 |
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5 #include <sys/types.h> |
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6 #include <stdio.h> |
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7 #include <stdlib.h> |
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8 #include <string.h> |
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9 #include <strings.h> |
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10 #include "intstruct.h" |
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11 #include "coffconst.h" |
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12 #include "globals.h" |
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13 |
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14 extern unsigned get_u16(), get_u32(); |
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15 extern char *storage_class_to_string(); |
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16 |
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17 int auto_xlat_section_relocs = 1; |
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18 int disasm_richsym; |
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19 extern int richsym_print_bitsize; |
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20 |
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21 static void |
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22 find_better_symbol(sec, symp, addp) |
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23 struct internal_scnhdr *sec; |
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24 struct internal_syment **symp; |
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25 unsigned *addp; |
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26 { |
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27 unsigned addr, delta; |
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28 struct internal_syment *sym; |
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29 unsigned n; |
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30 |
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31 addr = *addp; |
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32 for (n = 0; n < sec->nsymbols; n++) { |
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33 sym = sec->sorted_symbols[n]; |
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34 if (sym->value > addr) |
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35 return; |
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36 if (sym->class != C_EXT && sym->class != C_STAT) |
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37 continue; |
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38 delta = addr - sym->value; |
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39 if (sym->name[0] == '_' && !delta || |
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40 sym->name[0] == '$' && delta <= 1) { |
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41 *symp = sym; |
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42 *addp = delta; |
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43 } |
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44 } |
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45 } |
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46 |
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47 void |
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48 disasm_reloc_target(sec, rel, addend) |
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49 struct internal_scnhdr *sec; |
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50 struct internal_reloc *rel; |
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51 unsigned addend; |
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52 { |
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53 struct internal_syment *sym = rel->sym; |
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54 |
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55 if (sym) |
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56 addend -= sym->value; |
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57 if (auto_xlat_section_relocs && |
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58 (!sym || sym->section && !strcmp(sym->name, sym->section->name))) |
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59 find_better_symbol(sym ? sym->section : sec, &sym, &addend); |
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60 if (sym) |
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61 fputs(sym->name, stdout); |
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62 else |
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63 fputs(sec->name, stdout); |
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64 if (addend >= 10) |
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65 printf("+0x%x", addend); |
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66 else if (addend) |
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67 printf("+%u", addend); |
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68 } |
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69 |
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70 void |
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71 disasm_word32_reloc(sec, rel) |
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72 struct internal_scnhdr *sec; |
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73 struct internal_reloc *rel; |
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74 { |
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75 unsigned word; |
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76 |
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77 word = get_u32(filemap + sec->data_offset + rel->location); |
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78 printf("%08x R\t.word\t", word); |
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79 disasm_reloc_target(sec, rel, word); |
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80 putchar('\n'); |
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81 } |
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82 |
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83 static void |
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84 handle_symbol(sym, statep, linebrkp) |
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85 struct internal_syment *sym; |
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86 int *statep, *linebrkp; |
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87 { |
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88 char *sym_comment, *cpref; |
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89 |
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90 if (sym->class == C_FCN && !strcmp(sym->name, ".ef")) { |
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91 printf("; End function\n"); |
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92 return; |
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93 } |
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94 if (!*linebrkp) { |
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95 putchar('\n'); |
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96 *linebrkp = 1; |
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97 } |
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98 if (sym->class == C_FCN && !strcmp(sym->name, ".bf")) { |
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99 printf("; Begin function\n"); |
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100 return; |
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101 } |
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102 switch (sym->class) { |
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103 case C_EXT: |
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104 sym_comment = "Global"; |
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105 cpref = "; "; |
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106 break; |
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107 case C_STAT: |
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108 sym_comment = "static"; |
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109 cpref = "; static "; |
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110 break; |
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111 case C_LABEL: |
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112 sym_comment = "label"; |
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113 if (!strcmp(sym->name, "$CODE16")) |
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114 *statep = 1; |
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115 else if (!strcmp(sym->name, "$CODE32")) |
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116 *statep = 0; |
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117 break; |
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118 default: |
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119 sym_comment = "unexpected class!"; |
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120 } |
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121 printf("%s:\t; %s\n", sym->name, sym_comment); |
147
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122 if (!disasm_richsym || sym->class != C_EXT && sym->class != C_STAT) |
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123 return; |
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124 if (!sym->aux || sym->name[0] != '_' && sym->name[0] != '$') |
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125 return; |
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126 richsym_print_in_c(cpref, sym, 0); |
124
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127 } |
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128 |
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129 void |
136
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130 disasm_emit_asciz(sec, pos, len) |
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131 struct internal_scnhdr *sec; |
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132 unsigned pos, len; |
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133 { |
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134 int c; |
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135 unsigned endpos = pos + len; |
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136 |
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137 fputs("\t.asciz\t\"", stdout); |
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138 for (; pos < endpos; pos++) { |
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139 c = filemap[sec->data_offset + pos]; |
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140 switch (c) { |
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141 case '\b': |
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142 fputs("\\b", stdout); |
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143 continue; |
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144 case '\t': |
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145 fputs("\\t", stdout); |
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146 continue; |
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147 case '\n': |
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148 fputs("\\n", stdout); |
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149 continue; |
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150 case '\r': |
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151 fputs("\\r", stdout); |
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152 continue; |
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153 case '"': |
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154 fputs("\\\"", stdout); |
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155 continue; |
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156 case '\\': |
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157 fputs("\\\\", stdout); |
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158 continue; |
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159 } |
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160 if (c >= ' ' && c <= '~') |
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161 putchar(c); |
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162 else |
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163 printf("\\%03o", c); |
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164 } |
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165 putchar('"'); |
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166 putchar('\n'); |
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167 } |
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168 |
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169 void |
135
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170 disasm_codedata_section(sec) |
111
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171 struct internal_scnhdr *sec; |
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172 { |
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173 unsigned symnum, relnum; |
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174 unsigned pos, incr, headroom; |
136
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175 int state = -1, linebrk = 0, gothint; |
111
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176 struct internal_syment *sym; |
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177 struct internal_reloc *rel; |
136
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178 struct hint *hint = sec->hints; |
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179 u_char *asciz_end; |
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180 unsigned asciz_len; |
111
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181 |
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182 if (sec->nreloc) |
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183 get_relocs_of_sec(sec); |
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184 symnum = relnum = 0; |
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185 for (pos = 0; pos < sec->size; pos += incr) { |
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186 headroom = sec->size - pos; |
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187 while (symnum < sec->nsymbols) { |
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188 sym = sec->sorted_symbols[symnum]; |
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189 if (sym->value > pos) { |
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190 if (sym->value - pos < headroom) |
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191 headroom = sym->value - pos; |
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192 break; |
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193 } |
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194 /* hit symbol */ |
135
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195 handle_symbol(sym, &state, &linebrk); |
111
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196 symnum++; |
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197 } |
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198 if (relnum < sec->nreloc) { |
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199 rel = sec->int_relocs + relnum; |
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200 if (rel->location == pos) |
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201 relnum++; /* it's ours */ |
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202 else { |
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203 if (rel->location - pos < headroom) |
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204 headroom = rel->location - pos; |
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205 rel = 0; /* no reloc for current pos */ |
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206 } |
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207 } else |
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208 rel = 0; |
136
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209 if (hint) { |
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210 if (pos >= hint->pos) |
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211 gothint++; |
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212 else { |
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213 gothint = 0; |
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214 if (hint->pos - pos < headroom) |
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215 headroom = hint->pos - pos; |
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216 } |
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217 } else |
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218 gothint = 0; |
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219 if (gothint && pos == hint->pos && hint->linebrk) |
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220 putchar('\n'); |
111
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221 printf("%8x:\t", pos); |
136
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222 if (gothint && hint->type) { |
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223 if (rel) { |
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224 printf("error: hint/reloc conflict\n"); |
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225 return; |
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226 } |
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227 switch (hint->type) { |
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diff
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|
228 case HINT_D8: |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
229 printf("%02x\n", |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
230 filemap[sec->data_offset + pos]); |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
231 incr = 1; |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
232 break; |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
233 case HINT_D16: |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
234 printf("%04x\n", |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
235 get_u16(filemap+sec->data_offset+pos)); |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
236 incr = 2; |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
237 break; |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
238 case HINT_D32: |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
239 printf("%08x\n", |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
240 get_u32(filemap+sec->data_offset+pos)); |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
241 incr = 4; |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
242 break; |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
243 case HINT_ASCIZ: |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
244 asciz_end = memchr(filemap+sec->data_offset+pos, |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
245 0, headroom); |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
246 if (!asciz_end) { |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
247 printf("bad asciz hint: no 0 found\n"); |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
248 return; |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
249 } |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
250 asciz_len = asciz_end - filemap - |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
251 sec->data_offset - pos; |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
252 disasm_emit_asciz(sec, pos, asciz_len); |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
253 incr = asciz_len + 1; |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
254 } |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
255 goto next; |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
256 } |
135
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
257 if (rel) { |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
258 if (rel->type == RTYPE_LONG) { |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
259 if (pos & 3) { |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
260 printf("MISALIGNED pos for word32 reloc, aborting\n"); |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
261 return; |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
262 } |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
263 disasm_word32_reloc(sec, rel); |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
264 incr = 4; |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
265 goto next; |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
266 } else if (sec->disasm_mode == DISASM_MODE_DATA) { |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
267 printf("error: reloc other than word32 in data section\n"); |
112
61a58677dc68
tiobjd disasm: beginning of reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
111
diff
changeset
|
268 return; |
61a58677dc68
tiobjd disasm: beginning of reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
111
diff
changeset
|
269 } |
61a58677dc68
tiobjd disasm: beginning of reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
111
diff
changeset
|
270 } |
123
5f9cc99930a8
tiobjd: handling of $CODE16 symbols at byte positions
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
121
diff
changeset
|
271 if (pos & 1 || headroom < 2) { |
5f9cc99930a8
tiobjd: handling of $CODE16 symbols at byte positions
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
121
diff
changeset
|
272 if (rel) { |
5f9cc99930a8
tiobjd: handling of $CODE16 symbols at byte positions
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
121
diff
changeset
|
273 printf("error: reloc at byte pos, aborting\n"); |
5f9cc99930a8
tiobjd: handling of $CODE16 symbols at byte positions
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
121
diff
changeset
|
274 return; |
5f9cc99930a8
tiobjd: handling of $CODE16 symbols at byte positions
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
121
diff
changeset
|
275 } |
5f9cc99930a8
tiobjd: handling of $CODE16 symbols at byte positions
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
121
diff
changeset
|
276 printf("%02x\n", filemap[sec->data_offset + pos]); |
5f9cc99930a8
tiobjd: handling of $CODE16 symbols at byte positions
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
121
diff
changeset
|
277 incr = 1; |
5f9cc99930a8
tiobjd: handling of $CODE16 symbols at byte positions
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
121
diff
changeset
|
278 goto next; |
5f9cc99930a8
tiobjd: handling of $CODE16 symbols at byte positions
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
121
diff
changeset
|
279 } |
135
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
280 if (sec->disasm_mode == DISASM_MODE_DATA) { |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
281 if (pos & 2 || headroom < 4) { |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
282 printf("%04x\n", |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
283 get_u16(filemap+sec->data_offset+pos)); |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
284 incr = 2; |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
285 } else { |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
286 printf("%08x\n", |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
287 get_u32(filemap+sec->data_offset+pos)); |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
288 incr = 4; |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
289 } |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
290 goto next; |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
291 } |
111
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
292 switch (state) { |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
293 case 0: /* ARM */ |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
294 if (pos & 3) { |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
295 printf("MISALIGNED pos in CODE32 state, aborting\n"); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
296 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
297 } |
114
ca8e43288836
tiobjd: ARM_B reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
112
diff
changeset
|
298 if (rel) { |
ca8e43288836
tiobjd: ARM_B reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
112
diff
changeset
|
299 if (rel->type != RTYPE_ARM_B) { |
ca8e43288836
tiobjd: ARM_B reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
112
diff
changeset
|
300 printf("Wrong reloc type in CODE32 state, aborting\n"); |
ca8e43288836
tiobjd: ARM_B reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
112
diff
changeset
|
301 return; |
ca8e43288836
tiobjd: ARM_B reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
112
diff
changeset
|
302 } |
ca8e43288836
tiobjd: ARM_B reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
112
diff
changeset
|
303 arm_branch_reloc(sec, rel); |
ca8e43288836
tiobjd: ARM_B reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
112
diff
changeset
|
304 } else |
ca8e43288836
tiobjd: ARM_B reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
112
diff
changeset
|
305 arm_disasm_line(sec, pos); |
111
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
306 incr = 4; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
307 break; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
308 case 1: /* Thumb */ |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
309 if (pos & 1) { |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
310 printf("MISALIGNED pos in CODE16 state, aborting\n"); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
311 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
312 } |
117
f9fde7f36ae3
tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
114
diff
changeset
|
313 if (rel) { |
f9fde7f36ae3
tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
114
diff
changeset
|
314 if (rel->type != RTYPE_THUMB_BL) { |
f9fde7f36ae3
tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
114
diff
changeset
|
315 printf("Wrong reloc type in CODE16 state, aborting\n"); |
f9fde7f36ae3
tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
114
diff
changeset
|
316 return; |
f9fde7f36ae3
tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
114
diff
changeset
|
317 } |
f9fde7f36ae3
tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
114
diff
changeset
|
318 thumb_bl_reloc(sec, rel); |
f9fde7f36ae3
tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
114
diff
changeset
|
319 incr = 4; |
f9fde7f36ae3
tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
114
diff
changeset
|
320 } else if (headroom >= 4 && thumb_check_bl(sec, pos)) |
111
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
321 incr = 4; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
322 else { |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
323 thumb_disasm_line(sec, pos); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
324 incr = 2; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
325 } |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
326 break; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
327 default: |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
328 printf("UNKNOWN T state, aborting\n"); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
329 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
330 } |
112
61a58677dc68
tiobjd disasm: beginning of reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
111
diff
changeset
|
331 next: linebrk = 0; |
111
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
332 if (incr > headroom) { |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
333 printf("error: increment %u > headroom %u, aborting\n", |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
334 incr, headroom); |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
335 return; |
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
336 } |
136
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
337 if (hint && pos >= hint->endpos) |
81fc8da9a29c
tiobjd: disasm hints work now
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
135
diff
changeset
|
338 hint = hint->next; |
111
0f94d17899b3
tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
339 } |
135
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
340 while (symnum < sec->nsymbols) { |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
341 sym = sec->sorted_symbols[symnum]; |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
diff
changeset
|
342 if (sym->value != sec->size) { |
df432a4b1b84
tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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343 printf("error: expecting symbol at end of section\n"); |
124
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344 return; |
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345 } |
135
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346 handle_symbol(sym, &state, &linebrk); |
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347 symnum++; |
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348 } |
139
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349 if (linebrk) |
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350 printf("%8x:\t<end of section>\n", sec->size); |
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351 } |
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352 |
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353 void |
125
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354 disasm_bss(sec) |
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355 struct internal_scnhdr *sec; |
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356 { |
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357 unsigned m; |
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358 struct internal_syment *sym; |
147
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359 char classbuf[8], *cpref; |
125
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360 |
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361 putchar('\n'); |
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362 for (m = 0; m < sec->nsymbols; m++) { |
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363 sym = sec->sorted_symbols[m]; |
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364 printf("%08X %-7s %s\n", sym->value, |
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365 storage_class_to_string(sym->class, classbuf), |
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366 sym->name); |
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367 if (!disasm_richsym || !sym->aux || sym->name[0] != '_') |
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368 continue; |
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369 switch (sym->class) { |
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370 case C_EXT: |
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371 cpref = "; "; |
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372 break; |
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373 case C_STAT: |
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374 cpref = "; static "; |
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375 break; |
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376 default: |
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377 continue; |
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378 } |
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379 richsym_print_in_c(cpref, sym, 0); |
125
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380 } |
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381 printf("%08X <end of section>\n", sec->size); |
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382 } |
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383 |
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384 void |
128
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385 disasm_sec_by_type(sec) |
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386 struct internal_scnhdr *sec; |
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387 { |
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388 switch (sec->disasm_mode) { |
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389 case DISASM_MODE_CODE: |
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390 printf("Disassembling code section:\n"); |
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391 disasm_codedata_section(sec); |
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392 return; |
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393 case DISASM_MODE_DATA: |
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394 printf("Disassembling data section:\n"); |
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395 disasm_codedata_section(sec); |
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396 return; |
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397 case DISASM_MODE_BSS: |
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398 disasm_bss(sec); |
128
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399 return; |
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400 default: |
111
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401 printf("Unrecognized section type, skipped\n"); |
128
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402 } |
111
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403 } |
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404 |
128
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405 cmd_disasm(argc, argv) |
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406 char **argv; |
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407 { |
128
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408 extern char *optarg; |
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409 char *hintsfile = 0; |
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410 struct internal_scnhdr *sec; |
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411 unsigned secnum; |
128
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412 int c; |
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413 |
148
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|
414 while ((c = getopt(argc, argv, "bgh:s")) != EOF) |
128
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415 switch (c) { |
148
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416 case 'b': |
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417 richsym_print_bitsize++; |
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|
418 continue; |
147
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419 case 'g': |
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420 disasm_richsym++; |
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421 continue; |
128
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422 case 'h': |
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423 hintsfile = optarg; |
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424 continue; |
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425 case 's': |
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426 auto_xlat_section_relocs = 0; |
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427 continue; |
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|
428 default: |
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|
429 /* error msg already printed */ |
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|
430 exit(1); |
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|
431 } |
111
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changeset
|
432 |
0f94d17899b3
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changeset
|
433 printf("%s:\n", objfilename); |
0f94d17899b3
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diff
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|
434 dump_filehdr_info(); |
0f94d17899b3
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parents:
diff
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|
435 putchar('\n'); |
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diff
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|
436 get_int_section_table(); |
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diff
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|
437 get_int_symbol_table(); |
128
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438 if (hintsfile) |
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|
439 read_hints_file(hintsfile); |
111
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|
440 extern_profile_report("Module"); |
118
193926ccd1ec
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117
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|
441 sort_symbols_of_all_sec(); |
147
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|
442 if (disasm_richsym) |
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|
443 richsym_initial_preen(); |
111
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diff
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|
444 for (secnum = 0; secnum < nsections; secnum++) { |
0f94d17899b3
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|
445 sec = sections + secnum; |
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|
446 printf("=== %s ===\n", sec->name); |
128
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447 disasm_sec_by_type(sec); |
111
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|
448 putchar('\n'); |
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diff
changeset
|
449 } |
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parents:
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changeset
|
450 exit(0); |
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|
451 } |