arch/mips64/reloc.h

   1 #ifndef __RELOC_H__
   2 #define __RELOC_H__
   3
   4 #define _GNU_SOURCE
   5 #include <endian.h>
   6
   7 #if __mips_isa_rev >= 6
   8 #define ISA_SUFFIX "r6"
   9 #else
  10 #define ISA_SUFFIX ""
  11 #endif
  12
  13 #if __BYTE_ORDER == __LITTLE_ENDIAN
  14 #define ENDIAN_SUFFIX "el"
  15 #else
  16 #define ENDIAN_SUFFIX ""
  17 #endif
  18
  19 #ifdef __mips_soft_float
  20 #define FP_SUFFIX "-sf"
  21 #else
  22 #define FP_SUFFIX ""
  23 #endif
  24
  25 #define LDSO_ARCH "mips64" ISA_SUFFIX ENDIAN_SUFFIX FP_SUFFIX
  26
  27 #define TPOFF_K (-0x7000)
  28
  29 #define REL_SYM_OR_REL  4611
  30 #define REL_PLT         R_MIPS_JUMP_SLOT
  31 #define REL_COPY        R_MIPS_COPY
  32 #define REL_DTPMOD      R_MIPS_TLS_DTPMOD64
  33 #define REL_DTPOFF      R_MIPS_TLS_DTPREL64
  34 #define REL_TPOFF       R_MIPS_TLS_TPREL64
  35
  36 #undef R_TYPE
  37 #undef R_SYM
  38 #undef R_INFO
  39 #define R_TYPE(x) (be64toh(x)&0x7fffffff)
  40 #define R_SYM(x) (be32toh(be64toh(x)>>32))
  41 #define R_INFO(s,t) (htobe64((uint64_t)htobe32(s)<<32 | (uint64_t)t))
  42
  43 #define NEED_MIPS_GOT_RELOCS 1
  44 #define DT_DEBUG_INDIRECT DT_MIPS_RLD_MAP
  45 #define ARCH_SYM_REJECT_UND(s) (!((s)->st_other & STO_MIPS_PLT))
  46
  47 #define CRTJMP(pc,sp) __asm__ __volatile__( \
  48         "move $sp,%1 ; jr %0" : : "r"(pc), "r"(sp) : "memory" )
  49
  50 #define GETFUNCSYM(fp, sym, got) __asm__ ( \
  51         ".hidden " #sym "\n" \
  52         ".set push \n" \
  53         ".set noreorder \n" \
  54         ".align 8 \n" \
  55         "       bal 1f \n" \
  56         "        nop \n" \
  57         "       .gpdword . \n" \
  58         "       .gpdword " #sym " \n" \
  59         "1:     ld %0, ($ra) \n" \
  60         "       dsubu %0, $ra, %0 \n" \
  61         "       ld $ra, 8($ra) \n" \
  62         "       daddu %0, %0, $ra \n" \
  63         ".set pop \n" \
  64         : "=r"(*(fp)) : : "memory", "ra" )
  65
  66 #endif