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annotate leo-obj/tool/disasm.c @ 135:df432a4b1b84

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tiobjd: disasm of code and data sections unified
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Mon, 07 Apr 2014 04:06:17 +0000
parents daeaa5950d10
children 81fc8da9a29c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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
133
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17 int auto_xlat_section_relocs = 1;
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18
118
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19 static void
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20 find_better_symbol(sec, symp, addp)
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21 struct internal_scnhdr *sec;
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22 struct internal_syment **symp;
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23 unsigned *addp;
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24 {
120
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25 unsigned addr, delta;
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26 struct internal_syment *sym;
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27 unsigned n;
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28
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29 addr = *addp;
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30 for (n = 0; n < sec->nsymbols; n++) {
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31 sym = sec->sorted_symbols[n];
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32 if (sym->value > addr)
120
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33 return;
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34 if (sym->class != C_EXT && sym->class != C_STAT)
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35 continue;
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36 delta = addr - sym->value;
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37 if (sym->name[0] == '_' && !delta ||
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38 sym->name[0] == '$' && delta <= 1) {
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39 *symp = sym;
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40 *addp = delta;
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41 }
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42 }
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43 }
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44
111
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45 void
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46 disasm_reloc_target(sec, rel, addend)
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47 struct internal_scnhdr *sec;
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48 struct internal_reloc *rel;
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49 unsigned addend;
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50 {
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51 struct internal_syment *sym = rel->sym;
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52
121
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53 if (sym)
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54 addend -= sym->value;
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55 if (auto_xlat_section_relocs &&
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56 (!sym || sym->section && !strcmp(sym->name, sym->section->name)))
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57 find_better_symbol(sym ? sym->section : sec, &sym, &addend);
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58 if (sym)
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59 fputs(sym->name, stdout);
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60 else
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61 fputs(sec->name, stdout);
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62 if (addend >= 10)
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63 printf("+0x%x", addend);
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64 else if (addend)
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65 printf("+%u", addend);
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66 }
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67
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68 void
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69 disasm_word32_reloc(sec, rel)
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70 struct internal_scnhdr *sec;
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71 struct internal_reloc *rel;
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72 {
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73 unsigned word;
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74
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75 word = get_u32(filemap + sec->data_offset + rel->location);
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76 printf("%08x R\t.word\t", word);
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77 disasm_reloc_target(sec, rel, word);
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78 putchar('\n');
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79 }
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80
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81 static void
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82 handle_symbol(sym, statep, linebrkp)
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83 struct internal_syment *sym;
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84 int *statep, *linebrkp;
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85 {
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86 char *sym_comment;
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87
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88 if (sym->class == C_FCN && !strcmp(sym->name, ".ef")) {
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89 printf("; End function\n");
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90 return;
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91 }
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92 if (!*linebrkp) {
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93 putchar('\n');
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94 *linebrkp = 1;
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95 }
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96 if (sym->class == C_FCN && !strcmp(sym->name, ".bf")) {
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97 printf("; Begin function\n");
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98 return;
124
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99 }
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100 switch (sym->class) {
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101 case C_EXT:
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102 sym_comment = "Global";
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103 break;
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104 case C_STAT:
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105 sym_comment = "static";
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106 break;
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107 case C_LABEL:
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108 sym_comment = "label";
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109 if (!strcmp(sym->name, "$CODE16"))
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110 *statep = 1;
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111 else if (!strcmp(sym->name, "$CODE32"))
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112 *statep = 0;
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113 break;
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114 default:
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115 sym_comment = "unexpected class!";
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116 }
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117 printf("%s:\t; %s\n", sym->name, sym_comment);
124
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118 }
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119
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120 void
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121 disasm_codedata_section(sec)
111
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122 struct internal_scnhdr *sec;
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123 {
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124 unsigned symnum, relnum;
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125 unsigned pos, incr, headroom;
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126 int state = -1, linebrk = 0;
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127 struct internal_syment *sym;
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128 struct internal_reloc *rel;
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diff changeset
129
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
130 if (sec->nreloc)
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
131 get_relocs_of_sec(sec);
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
132 symnum = relnum = 0;
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
133 for (pos = 0; pos < sec->size; pos += incr) {
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
134 headroom = sec->size - pos;
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
135 while (symnum < sec->nsymbols) {
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
136 sym = sec->sorted_symbols[symnum];
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
137 if (sym->value > pos) {
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
138 if (sym->value - pos < headroom)
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
139 headroom = sym->value - pos;
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
140 break;
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
141 }
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
142 /* hit symbol */
135
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
143 handle_symbol(sym, &state, &linebrk);
111
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
144 symnum++;
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
145 }
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
146 if (relnum < sec->nreloc) {
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
147 rel = sec->int_relocs + relnum;
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
148 if (rel->location == pos)
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
149 relnum++; /* it's ours */
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
150 else {
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
151 if (rel->location - pos < headroom)
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
152 headroom = rel->location - pos;
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
153 rel = 0; /* no reloc for current pos */
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
154 }
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
155 } else
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
156 rel = 0;
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
157 printf("%8x:\t", pos);
135
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
158 if (rel) {
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
159 if (rel->type == RTYPE_LONG) {
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
160 if (pos & 3) {
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
161 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
162 return;
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
163 }
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
164 disasm_word32_reloc(sec, rel);
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
165 incr = 4;
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
166 goto next;
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
167 } 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
168 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
169 return;
61a58677dc68 tiobjd disasm: beginning of reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 111
diff changeset
170 }
61a58677dc68 tiobjd disasm: beginning of reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 111
diff changeset
171 }
123
5f9cc99930a8 tiobjd: handling of $CODE16 symbols at byte positions
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 121
diff changeset
172 if (pos & 1 || headroom < 2) {
5f9cc99930a8 tiobjd: handling of $CODE16 symbols at byte positions
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 121
diff changeset
173 if (rel) {
5f9cc99930a8 tiobjd: handling of $CODE16 symbols at byte positions
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 121
diff changeset
174 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
175 return;
5f9cc99930a8 tiobjd: handling of $CODE16 symbols at byte positions
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 121
diff changeset
176 }
5f9cc99930a8 tiobjd: handling of $CODE16 symbols at byte positions
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 121
diff changeset
177 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
178 incr = 1;
5f9cc99930a8 tiobjd: handling of $CODE16 symbols at byte positions
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 121
diff changeset
179 goto next;
5f9cc99930a8 tiobjd: handling of $CODE16 symbols at byte positions
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 121
diff changeset
180 }
135
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
181 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
182 if (pos & 2 || headroom < 4) {
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
183 printf("%04x\n",
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
184 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
185 incr = 2;
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
186 } else {
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
187 printf("%08x\n",
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
188 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
189 incr = 4;
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
190 }
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
191 goto next;
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
192 }
111
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
193 switch (state) {
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
194 case 0: /* ARM */
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
195 if (pos & 3) {
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
196 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
197 return;
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
198 }
114
ca8e43288836 tiobjd: ARM_B reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 112
diff changeset
199 if (rel) {
ca8e43288836 tiobjd: ARM_B reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 112
diff changeset
200 if (rel->type != RTYPE_ARM_B) {
ca8e43288836 tiobjd: ARM_B reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 112
diff changeset
201 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
202 return;
ca8e43288836 tiobjd: ARM_B reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 112
diff changeset
203 }
ca8e43288836 tiobjd: ARM_B reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 112
diff changeset
204 arm_branch_reloc(sec, rel);
ca8e43288836 tiobjd: ARM_B reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 112
diff changeset
205 } else
ca8e43288836 tiobjd: ARM_B reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 112
diff changeset
206 arm_disasm_line(sec, pos);
111
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
207 incr = 4;
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
208 break;
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
209 case 1: /* Thumb */
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
210 if (pos & 1) {
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
211 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
212 return;
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
213 }
117
f9fde7f36ae3 tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 114
diff changeset
214 if (rel) {
f9fde7f36ae3 tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 114
diff changeset
215 if (rel->type != RTYPE_THUMB_BL) {
f9fde7f36ae3 tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 114
diff changeset
216 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
217 return;
f9fde7f36ae3 tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 114
diff changeset
218 }
f9fde7f36ae3 tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 114
diff changeset
219 thumb_bl_reloc(sec, rel);
f9fde7f36ae3 tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 114
diff changeset
220 incr = 4;
f9fde7f36ae3 tiobjd: Thumb_BL reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 114
diff changeset
221 } 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
222 incr = 4;
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
223 else {
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
224 thumb_disasm_line(sec, pos);
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
225 incr = 2;
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
226 }
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
227 break;
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
228 default:
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
229 printf("UNKNOWN T state, aborting\n");
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
230 return;
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
231 }
112
61a58677dc68 tiobjd disasm: beginning of reloc handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 111
diff changeset
232 next: linebrk = 0;
111
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
233 if (incr > headroom) {
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
234 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
235 incr, headroom);
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
236 return;
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
237 }
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
238 }
135
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
239 if (symnum == sec->nsymbols)
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
240 return;
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
241 while (symnum < sec->nsymbols) {
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
242 sym = sec->sorted_symbols[symnum];
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
243 if (sym->value != sec->size) {
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
244 printf("error: expecting symbol at end of section\n");
124
700d77d5cf00 tiobjd disasm: data section handling added
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 123
diff changeset
245 return;
700d77d5cf00 tiobjd disasm: data section handling added
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 123
diff changeset
246 }
135
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
247 handle_symbol(sym, &state, &linebrk);
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
248 symnum++;
124
700d77d5cf00 tiobjd disasm: data section handling added
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 123
diff changeset
249 }
135
df432a4b1b84 tiobjd: disasm of code and data sections unified
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 133
diff changeset
250 printf("%8x:\t<end of section>\n", sec->size);
111
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
251 }
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
252
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
253 void
125
b8ac21536779 tiobjd disasm: bss handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 124
diff changeset
254 disasm_bss(sec)
b8ac21536779 tiobjd disasm: bss handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 124
diff changeset
255 struct internal_scnhdr *sec;
b8ac21536779 tiobjd disasm: bss handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 124
diff changeset
256 {
b8ac21536779 tiobjd disasm: bss handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 124
diff changeset
257 unsigned m;
b8ac21536779 tiobjd disasm: bss handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 124
diff changeset
258 struct internal_syment *sym;
b8ac21536779 tiobjd disasm: bss handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 124
diff changeset
259 char classbuf[8];
b8ac21536779 tiobjd disasm: bss handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 124
diff changeset
260
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261 putchar('\n');
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262 for (m = 0; m < sec->nsymbols; m++) {
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diff changeset
263 sym = sec->sorted_symbols[m];
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264 printf("%08X %-7s %s\n", sym->value,
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265 storage_class_to_string(sym->class, classbuf),
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266 sym->name);
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267 }
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268 printf("%08X <end of section>\n", sec->size);
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269 }
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270
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271 void
128
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272 disasm_sec_by_type(sec)
111
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273 struct internal_scnhdr *sec;
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274 {
128
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275 switch (sec->disasm_mode) {
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276 case DISASM_MODE_CODE:
135
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277 printf("Disassembling code section:\n");
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278 disasm_codedata_section(sec);
128
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279 return;
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280 case DISASM_MODE_DATA:
135
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281 printf("Disassembling data section:\n");
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282 disasm_codedata_section(sec);
128
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283 return;
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284 case DISASM_MODE_BSS:
125
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285 disasm_bss(sec);
128
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286 return;
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287 default:
111
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288 printf("Unrecognized section type, skipped\n");
128
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289 }
111
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290 }
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diff changeset
291
128
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diff changeset
292 cmd_disasm(argc, argv)
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293 char **argv;
111
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294 {
128
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diff changeset
295 extern char *optarg;
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296 char *hintsfile = 0;
111
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297 struct internal_scnhdr *sec;
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298 unsigned secnum;
128
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diff changeset
299 int c;
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300
03f8a618689e tiobjd disasm: initial hook-in of the hints mechanism
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diff changeset
301 while ((c = getopt(argc, argv, "h:s")) != EOF)
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diff changeset
302 switch (c) {
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diff changeset
303 case 'h':
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304 hintsfile = optarg;
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diff changeset
305 continue;
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diff changeset
306 case 's':
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307 auto_xlat_section_relocs = 0;
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diff changeset
308 continue;
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diff changeset
309 default:
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diff changeset
310 /* error msg already printed */
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diff changeset
311 exit(1);
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diff changeset
312 }
111
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parents:
diff changeset
313
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parents:
diff changeset
314 printf("%s:\n", objfilename);
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parents:
diff changeset
315 dump_filehdr_info();
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parents:
diff changeset
316 putchar('\n');
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parents:
diff changeset
317 get_int_section_table();
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parents:
diff changeset
318 get_int_symbol_table();
128
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diff changeset
319 if (hintsfile)
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diff changeset
320 read_hints_file(hintsfile);
111
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parents:
diff changeset
321 extern_profile_report("Module");
118
193926ccd1ec tiobjd: better handling of section-relative relocs
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 117
diff changeset
322 sort_symbols_of_all_sec();
111
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parents:
diff changeset
323 for (secnum = 0; secnum < nsections; secnum++) {
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
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parents:
diff changeset
324 sec = sections + secnum;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
325 printf("=== %s ===\n", sec->name);
128
03f8a618689e tiobjd disasm: initial hook-in of the hints mechanism
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diff changeset
326 disasm_sec_by_type(sec);
111
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
327 putchar('\n');
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
328 }
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
329 exit(0);
0f94d17899b3 tiobjd: disassembly integrated, no relocs or hints yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
330 }