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comparison objgrep/dumpmatch.c @ 173:77cd647375e5

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objgrep -r: dump symbols in other sections recovered through relocs
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Fri, 04 Jul 2014 06:34:33 +0000
parents 452baa748747
children
comparison
equal deleted inserted replaced
172:452baa748747 173:77cd647375e5
67 dest |= 0xFF800000; 67 dest |= 0xFF800000;
68 dest += location + 4; 68 dest += location + 4;
69 return(dest); 69 return(dest);
70 } 70 }
71 71
72 dump_relocs_on_match() 72 process_relocs_on_match()
73 { 73 {
74 unsigned n, value; 74 unsigned n, value;
75 struct internal_reloc *rel; 75 struct internal_reloc *rel;
76 76
77 printf("\nDeduced from relocs:\n\n");
78 for (n = 0, rel = relocs; n < grep_section->nreloc; n++, rel++) { 77 for (n = 0, rel = relocs; n < grep_section->nreloc; n++, rel++) {
79 switch (rel->type) { 78 switch (rel->type) {
80 case RTYPE_LONG: 79 case RTYPE_LONG:
81 value = get_u32(binfilemap + match_offset + 80 value = get_u32(binfilemap + match_offset +
82 rel->location); 81 rel->location);
91 fprintf(stderr, 90 fprintf(stderr,
92 "BUG in dump_relocs_on_match(): bad reloc type\n"); 91 "BUG in dump_relocs_on_match(): bad reloc type\n");
93 abort(); 92 abort();
94 } 93 }
95 value -= rel->addend; 94 value -= rel->addend;
96 if (rel->secbase) 95 rel->symvalue = value;
97 printf("%s:%s = %08X\n", objfilename, 96 if (rel->secbase) {
98 rel->secbase->name, value); 97 if (!rel->secbase->recov_flag) {
99 else if (rel->extsym) 98 rel->secbase->recov_flag = 1;
100 printf("%s = %08X\n", rel->extsym->name, value); 99 rel->secbase->recov_addr = value;
101 else { 100 } else if (rel->secbase->recov_addr != value)
102 fprintf(stderr, 101 printf("Multiple addresses for %s:%s: %08X, %08X\n",
103 "BUG in dump_relocs_on_match(): no base for reloc\n"); 102 objfilename, rel->secbase->name,
104 abort(); 103 rel->secbase->recov_addr, value);
105 } 104 }
106 } 105 }
107 } 106 }
107
108 dump_ext_relocs_on_match()
109 {
110 unsigned n;
111 struct internal_reloc *rel;
112
113 printf("\nExternals deduced from relocs:\n\n");
114 for (n = 0, rel = relocs; n < grep_section->nreloc; n++, rel++)
115 if (rel->extsym)
116 printf("%s = %08X\n", rel->extsym->name, rel->symvalue);
117 }
118
119 dump_reloc_symtab_on_match()
120 {
121 unsigned n;
122 struct internal_syment *sym;
123
124 printf("\nThis module's symbols deduced from section relocs:\n\n");
125 for (n = 0; n < nsymtab; n++) {
126 sym = symtab[n];
127 if (!sym || !sym->section)
128 continue;
129 if (!sym->section->recov_flag)
130 continue;
131 switch (sym->class) {
132 case C_EXT:
133 printf("%s = %08X\n", sym->name,
134 sym->value + sym->section->recov_addr);
135 continue;
136 case C_STAT:
137 printf("%s:%s = %08X\n", objfilename, sym->name,
138 sym->value + sym->section->recov_addr);
139 continue;
140 }
141 }
142 }