X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=arch%2Fi386%2Freloc.h;h=032f454bda5f2898f841f9bcb925976dd602166c;hb=159d1f6c02569091c7a48bdb2e2e824b844a1902;hp=bc86e96e121cda1ce1ba7428aa7d42df6ed9f4da;hpb=bfa09700b927c99cff5263483c1d7a4d1fe766e5;p=musl diff --git a/arch/i386/reloc.h b/arch/i386/reloc.h index bc86e96e..032f454b 100644 --- a/arch/i386/reloc.h +++ b/arch/i386/reloc.h @@ -1,50 +1,23 @@ -#include -#include - #define LDSO_ARCH "i386" -#define IS_COPY(x) ((x)==R_386_COPY) -#define IS_PLT(x) ((x)==R_386_JMP_SLOT) +#define REL_SYMBOLIC R_386_32 +#define REL_OFFSET R_386_PC32 +#define REL_GOT R_386_GLOB_DAT +#define REL_PLT R_386_JMP_SLOT +#define REL_RELATIVE R_386_RELATIVE +#define REL_COPY R_386_COPY +#define REL_DTPMOD R_386_TLS_DTPMOD32 +#define REL_DTPOFF R_386_TLS_DTPOFF32 +#define REL_TPOFF R_386_TLS_TPOFF +#define REL_TPOFF_NEG R_386_TLS_TPOFF32 +#define REL_TLSDESC R_386_TLS_DESC + +#define CRTJMP(pc,sp) __asm__ __volatile__( \ + "mov %1,%%esp ; 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_386_32: - *reloc_addr += sym_val; - break; - case R_386_PC32: - *reloc_addr += sym_val - (size_t)reloc_addr; - break; - case R_386_GLOB_DAT: - case R_386_JMP_SLOT: - *reloc_addr = sym_val; - break; - case R_386_RELATIVE: - *reloc_addr += (size_t)base_addr; - break; - case R_386_COPY: - memcpy(reloc_addr, (void *)sym_val, sym_size); - break; - case R_386_TLS_DTPMOD32: - *reloc_addr = def.dso ? def.dso->tls_id : self->tls_id; - break; - case R_386_TLS_DTPOFF32: - *reloc_addr = def.sym->st_value; - break; - case R_386_TLS_TPOFF: - *reloc_addr += def.sym - ? def.sym->st_value - def.dso->tls_offset - : 0 - self->tls_offset; - break; - case R_386_TLS_TPOFF32: - *reloc_addr += def.sym - ? def.dso->tls_offset - def.sym->st_value - : self->tls_offset; - break; - } - return 0; -} +#define GETFUNCSYM(fp, sym, got) __asm__ ( \ + ".hidden " #sym "\n" \ + " call 1f\n" \ + "1: addl $" #sym "-.,(%%esp)\n" \ + " pop %0" \ + : "=r"(*fp) : : "memory" )