144,6 → 144,7 |
elf_symbol_t *sym_table; |
elf_symbol_t *sym; |
uint32_t *r_ptr; |
uint16_t *r_ptr16; |
char *str_tab; |
|
elf_symbol_t *sym_def; |
154,6 → 155,8 |
uint32_t *_plt_ent; |
uint32_t plt_n; |
uint32_t pidx; |
uint32_t t_addr; |
uint32_t sym_size; |
|
plt = m->dyn.plt_got; |
plt_n = m->dyn.plt_rel_sz / sizeof(elf_rela_t); |
184,6 → 187,7 |
|
rel_type = ELF32_R_TYPE(r_info); |
r_ptr = (uint32_t *)(r_offset + m->bias); |
r_ptr16 = (uint16_t *)(r_offset + m->bias); |
|
if (sym->st_name != 0) { |
DPRINTF("rel_type: %x, rel_offset: 0x%x\n", rel_type, r_offset); |
201,6 → 205,22 |
} |
|
switch (rel_type) { |
case R_PPC_ADDR16_LO: |
DPRINTF("fixup R_PPC_ADDR16_LO (#lo(s+a))\n"); |
*r_ptr16 = (sym_addr + r_addend) & 0xffff; |
break; |
|
case R_PPC_ADDR16_HI: |
DPRINTF("fixup R_PPC_ADDR16_HI (#hi(s+a))\n"); |
*r_ptr16 = (sym_addr + r_addend) >> 16; |
break; |
|
case R_PPC_ADDR16_HA: |
DPRINTF("fixup R_PPC_ADDR16_HA (#ha(s+a))\n"); |
t_addr = sym_addr + r_addend; |
*r_ptr16 = (t_addr >> 16) + ((t_addr & 0x8000) ? 1 : 0); |
break; |
|
case R_PPC_JMP_SLOT: |
DPRINTF("fixup R_PPC_JMP_SLOT (b+v)\n"); |
pidx = (r_ptr - _plt_ent) / 2; |
217,6 → 237,22 |
DPRINTF("fixup R_PPC_ADDR32 (b+v+a)\n"); |
*r_ptr = r_addend + sym_addr; |
break; |
|
case R_PPC_COPY: |
/* |
* Copy symbol data from shared object to specified |
* location. |
*/ |
DPRINTF("fixup R_PPC_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_PPC_RELATIVE: |
DPRINTF("fixup R_PPC_RELATIVE (b+a)\n"); |
229,7 → 265,7 |
/*TODO*/ |
break; |
default: |
printf("unknown relocation type\n"); |
printf("unknown relocation type %d\n", rel_type); |
break; |
} |
} |