| 72,7 → 72,7 |
|---|
| printf("address: 0x%x, entries: %d\n", (uintptr_t)rt, rt_entries); |
| |
| for (i = 0; i < rt_entries; ++i) { |
| printf("symbol %d: ", i); |
| // printf("symbol %d: ", i); |
| r_offset = rt[i].r_offset; |
| r_info = rt[i].r_info; |
| |
| 79,22 → 79,27 |
|---|
| sym_idx = ELF32_R_SYM(r_info); |
| sym = &sym_table[sym_idx]; |
| |
| printf("name '%s', value 0x%x, size 0x%x\n", |
| /* printf("name '%s', value 0x%x, size 0x%x\n", |
| str_tab + sym->st_name, |
| sym->st_value, |
| sym->st_size); |
| |
| */ |
| rel_type = ELF32_R_TYPE(r_info); |
| r_ptr = (uint32_t *)(r_offset + m->bias); |
| |
| if (sym->st_name != 0) { |
| printf("rel_type: %x, rel_offset: 0x%x\n", rel_type, r_offset); |
| // printf("rel_type: %x, rel_offset: 0x%x\n", rel_type, r_offset); |
| sym_def = symbol_def_find(str_tab + sym->st_name, &dest); |
| printf("dest name: '%s'\n", dest->dyn.soname); |
| printf("dest bias: 0x%x\n", dest->bias); |
| // printf("dest name: '%s'\n", dest->dyn.soname); |
| // printf("dest bias: 0x%x\n", dest->bias); |
| if (sym_def) { |
| sym_addr = sym_def->st_value + dest->bias; |
| printf("symbol definition found, addr=0x%x\n", sym_addr); |
| if (sym_def->st_shndx == SHN_ABS) { |
| /* Do not add bias to absolute symbols */ |
| sym_addr = sym_def->st_value; |
| } else { |
| sym_addr = sym_def->st_value + dest->bias; |
| } |
| // printf("symbol definition found, addr=0x%x\n", sym_addr); |
| } else { |
| printf("symbol definition not found\n"); |
| continue; |
| 104,17 → 109,17 |
|---|
| switch (rel_type) { |
| case R_386_GLOB_DAT: |
| case R_386_JUMP_SLOT: |
| printf("fixup R_386_GLOB_DAT/JUMP_SLOT (b+v)\n"); |
| // printf("fixup R_386_GLOB_DAT/JUMP_SLOT (b+v)\n"); |
| *r_ptr = sym_addr; |
| break; |
| |
| case R_386_32: |
| printf("fixup R_386_32 (b+v+a)\n"); |
| // printf("fixup R_386_32 (b+v+a)\n"); |
| *r_ptr += sym_addr; |
| break; |
| |
| case R_386_RELATIVE: |
| printf("fixup R_386_RELATIVE (b+a)\n"); |
| // printf("fixup R_386_RELATIVE (b+a)\n"); |
| *r_ptr += m->bias; |
| break; |
| } |