X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=arch%2Fmips%2Freloc.h;h=88d236390edaf7d8b87e6a955b3adb213d308c4f;hb=4d3a162d001a93edd285fb6603a883c30ae553ba;hp=76df112a6a5f727d9f3ad9b4ab917c0e4449bd2e;hpb=6315004f6102dca44c4ba50654a36967b8b9c2a6;p=musl diff --git a/arch/mips/reloc.h b/arch/mips/reloc.h index 76df112a..88d23639 100644 --- a/arch/mips/reloc.h +++ b/arch/mips/reloc.h @@ -1,23 +1,50 @@ -#include -#include - -#define ETC_LDSO_PATH "/etc/ld-musl-mips.path" - -#define IS_COPY(x) ((x)==R_MIPS_COPY) -#define IS_PLT(x) ((x)==R_MIPS_JUMP_SLOT) - -static inline void do_single_reloc(size_t *reloc_addr, int type, size_t sym_val, size_t sym_size, unsigned char *base_addr, size_t addend) -{ - switch(type) { - case R_MIPS_JUMP_SLOT: - *reloc_addr = sym_val; - break; - case R_MIPS_REL32: - // FIXME: how do symbolic relocs come in here ? - *reloc_addr += (size_t)base_addr; - break; - case R_MIPS_COPY: - memcpy(reloc_addr, (void *)sym_val, sym_size); - break; - } -} +#if __mips_isa_rev >= 6 +#define ISA_SUFFIX "r6" +#else +#define ISA_SUFFIX "" +#endif + +#if __BYTE_ORDER == __LITTLE_ENDIAN +#define ENDIAN_SUFFIX "el" +#else +#define ENDIAN_SUFFIX "" +#endif + +#ifdef __mips_soft_float +#define FP_SUFFIX "-sf" +#else +#define FP_SUFFIX "" +#endif + +#define LDSO_ARCH "mips" ISA_SUFFIX ENDIAN_SUFFIX FP_SUFFIX + +#define TPOFF_K (-0x7000) + +#define REL_SYM_OR_REL R_MIPS_REL32 +#define REL_PLT R_MIPS_JUMP_SLOT +#define REL_COPY R_MIPS_COPY +#define REL_DTPMOD R_MIPS_TLS_DTPMOD32 +#define REL_DTPOFF R_MIPS_TLS_DTPREL32 +#define REL_TPOFF R_MIPS_TLS_TPREL32 + +#define NEED_MIPS_GOT_RELOCS 1 +#define DT_DEBUG_INDIRECT DT_MIPS_RLD_MAP +#define ARCH_SYM_REJECT_UND(s) (!((s)->st_other & STO_MIPS_PLT)) + +#define CRTJMP(pc,sp) __asm__ __volatile__( \ + "move $sp,%1 ; jr %0" : : "r"(pc), "r"(sp) : "memory" ) + +#define GETFUNCSYM(fp, sym, got) __asm__ ( \ + ".hidden " #sym "\n" \ + ".set push \n" \ + ".set noreorder \n" \ + " bal 1f \n" \ + " nop \n" \ + " .gpword . \n" \ + " .gpword " #sym " \n" \ + "1: lw %0, ($ra) \n" \ + " subu %0, $ra, %0 \n" \ + " lw $ra, 4($ra) \n" \ + " addu %0, %0, $ra \n" \ + ".set pop \n" \ + : "=r"(*(fp)) : : "memory", "ra" )