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#include <stdint.h> #include <string.h> #include <elf.h> #define LDSO_ARCH "x32" #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; } } |