| 35,12 → 35,14 |
|---|
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| #include <arch.h> |
| #include <elf_dyn.h> |
| #include <symbol.h> |
| #include <rtld.h> |
| |
| #include <rtld_arch.h> |
| |
| void module_process_pre_arch(module_t *m) |
| { |
| /* Unused */ |
| 64,6 → 66,7 |
|---|
| elf_symbol_t *sym_table; |
| elf_symbol_t *sym; |
| uint32_t *r_ptr; |
| uint32_t sym_size; |
| char *str_tab; |
| |
| elf_symbol_t *sym_def; |
| 111,28 → 114,53 |
|---|
| switch (rel_type) { |
| case R_386_GLOB_DAT: |
| case R_386_JUMP_SLOT: |
| // DPRINTF("fixup R_386_GLOB_DAT/JUMP_SLOT (b+v)\n"); |
| DPRINTF("fixup R_386_GLOB_DAT/JUMP_SLOT (b+v)\n"); |
| *r_ptr = sym_addr; |
| break; |
| |
| case R_386_32: |
| // DPRINTF("fixup R_386_32 (b+v+a)\n"); |
| DPRINTF("fixup R_386_32 (b+v+a)\n"); |
| *r_ptr += sym_addr; |
| break; |
| |
| case R_386_PC32: |
| // DPRINTF("fixup R_386_PC32 (b+v+a)\n"); |
| DPRINTF("fixup R_386_PC32 (b+v+a)\n"); |
| *r_ptr += sym_addr - (uint32_t) r_ptr; |
| break; |
| |
| case R_386_COPY: |
| /* |
| * Copy symbol data from shared object to specified |
| * location. |
| */ |
| DPRINTF("fixup R_386_COPY (s)\n"); |
| sym_size = sym->st_size; |
| if (sym_size != sym_def->st_size) { |
| printf("Warning: Mismatched symbol sizes.\n"); |
| /* Take the lower value. */ |
| if (sym_size > sym_def->st_size) |
| sym_size = sym_def->st_size; |
| } |
| memcpy(r_ptr, (const void *)sym_addr, sym_size); |
| break; |
| |
| case R_386_RELATIVE: |
| // DPRINTF("fixup R_386_RELATIVE (b+a)\n"); |
| DPRINTF("fixup R_386_RELATIVE (b+a)\n"); |
| *r_ptr += m->bias; |
| break; |
| |
| case R_386_TLS_DTPMOD32: |
| /* |
| * We can ignore this as long as the only module |
| * with TLS variables is libc.so. |
| */ |
| DPRINTF("Ignoring R_386_TLS_DTPMOD32\n"); |
| break; |
| |
| default: |
| printf("Unknown relocation type %d\n", rel_type); |
| break; |
| printf("Error: Unknown relocation type %d\n", |
| rel_type); |
| exit(1); |
| } |
| |
| } |