diff options
Diffstat (limited to 'arch/x32/reloc.h')
| -rw-r--r-- | arch/x32/reloc.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/x32/reloc.h b/arch/x32/reloc.h new file mode 100644 index 00000000..28cf7cc1 --- /dev/null +++ b/arch/x32/reloc.h @@ -0,0 +1,46 @@ +#include <stdint.h> +#include <string.h> +#include <elf.h> + +#define LDSO_ARCH "x86_64" + +#define IS_COPY(x) ((x)==R_X86_64_COPY) +#define IS_PLT(x) ((x)==R_X86_64_JUMP_SLOT) + +static inline void do_single_reloc( + struct dso *self, unsigned char *base_addr, + size_t *reloc_addr, int type, size_t addend, + Sym *sym, size_t sym_size, + struct symdef def, size_t sym_val) +{ + switch(type) { + case R_X86_64_GLOB_DAT: + case R_X86_64_JUMP_SLOT: + case R_X86_64_64: + *reloc_addr = sym_val + addend; + break; + case R_X86_64_32: + *(uint32_t *)reloc_addr = sym_val + addend; + break; + case R_X86_64_PC32: + *reloc_addr = sym_val + addend - (size_t)reloc_addr + (size_t)base_addr; + break; + case R_X86_64_RELATIVE: + *reloc_addr = (size_t)base_addr + addend; + break; + case R_X86_64_COPY: + memcpy(reloc_addr, (void *)sym_val, sym_size); + break; + case R_X86_64_DTPMOD64: + *reloc_addr = def.dso ? def.dso->tls_id : self->tls_id; + break; + case R_X86_64_DTPOFF64: + *reloc_addr = def.sym->st_value + addend; + break; + case R_X86_64_TPOFF64: + *reloc_addr = (def.sym + ? def.sym->st_value - def.dso->tls_offset + : 0 - self->tls_offset) + addend; + break; + } +} |