X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=arch%2Fx86_64%2Freloc.h;h=fac0c0ae3e779132766a158455e8cbb6c037c723;hb=b50d315fd23f0fbc4c11e2583801dd123d933745;hp=30f6561446b5a640e80bccb07cb09eb167f2a9a5;hpb=bfa09700b927c99cff5263483c1d7a4d1fe766e5;p=musl diff --git a/arch/x86_64/reloc.h b/arch/x86_64/reloc.h index 30f65614..fac0c0ae 100644 --- a/arch/x86_64/reloc.h +++ b/arch/x86_64/reloc.h @@ -1,47 +1,20 @@ -#include -#include -#include - #define LDSO_ARCH "x86_64" -#define IS_COPY(x) ((x)==R_X86_64_COPY) -#define IS_PLT(x) ((x)==R_X86_64_JUMP_SLOT) +#define REL_SYMBOLIC R_X86_64_64 +#define REL_OFFSET32 R_X86_64_PC32 +#define REL_GOT R_X86_64_GLOB_DAT +#define REL_PLT R_X86_64_JUMP_SLOT +#define REL_RELATIVE R_X86_64_RELATIVE +#define REL_COPY R_X86_64_COPY +#define REL_DTPMOD R_X86_64_DTPMOD64 +#define REL_DTPOFF R_X86_64_DTPOFF64 +#define REL_TPOFF R_X86_64_TPOFF64 +#define REL_TLSDESC R_X86_64_TLSDESC + +#define CRTJMP(pc,sp) __asm__ __volatile__( \ + "mov %1,%%rsp ; jmp *%0" : : "r"(pc), "r"(sp) : "memory" ) -static inline int 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; - } - return 0; -} +#define GETFUNCSYM(fp, sym, got) __asm__ ( \ + ".hidden " #sym "\n" \ + " lea " #sym "(%%rip),%0\n" \ + : "=r"(*fp) : : "memory" )