arch/sh/reloc.h

   1 #include <endian.h>
   2
   3 #if __BYTE_ORDER == __BIG_ENDIAN
   4 #define ENDIAN_SUFFIX "eb"
   5 #else
   6 #define ENDIAN_SUFFIX ""
   7 #endif
   8
   9 #if __SH_FPU_ANY__ || __SH4__
  10 #define FP_SUFFIX ""
  11 #else
  12 #define FP_SUFFIX "-nofpu"
  13 #endif
  14
  15 #if __SH_FDPIC__
  16 #define ABI_SUFFIX "-fdpic"
  17 #else
  18 #define ABI_SUFFIX ""
  19 #endif
  20
  21 #define LDSO_ARCH "sh" ENDIAN_SUFFIX FP_SUFFIX ABI_SUFFIX
  22
  23 #define TPOFF_K 8
  24
  25 #define REL_SYMBOLIC    R_SH_DIR32
  26 #define REL_OFFSET      R_SH_REL32
  27 #define REL_GOT         R_SH_GLOB_DAT
  28 #define REL_PLT         R_SH_JMP_SLOT
  29 #define REL_RELATIVE    R_SH_RELATIVE
  30 #define REL_COPY        R_SH_COPY
  31 #define REL_DTPMOD      R_SH_TLS_DTPMOD32
  32 #define REL_DTPOFF      R_SH_TLS_DTPOFF32
  33 #define REL_TPOFF       R_SH_TLS_TPOFF32
  34
  35 #if __SH_FDPIC__
  36 #define REL_FUNCDESC    R_SH_FUNCDESC
  37 #define REL_FUNCDESC_VAL R_SH_FUNCDESC_VALUE
  38 #undef  REL_RELATIVE
  39 #define DL_FDPIC 1
  40 #define CRTJMP(pc,sp) do { \
  41         register size_t r8 __asm__("r8") = ((size_t *)(sp))[-2]; \
  42         __asm__ __volatile__( "jmp @%0 ; mov %1,r15" \
  43         : : "r"(pc), "r"(sp), "r"(r8) : "memory" ); } while(0)
  44 #define GETFUNCSYM(fp, sym, got) __asm__ ( \
  45         "mov.l 1f,%0 ; add %1,%0 ; bra 2f ; nop ; .align 2 \n" \
  46         "1:     .long " #sym "@GOTOFFFUNCDESC \n2:" \
  47         : "=&r"(*fp) : "r"(got) : "memory" )
  48 #else
  49 #define CRTJMP(pc,sp) __asm__ __volatile__( \
  50         "jmp @%0 ; mov %1,r15" : : "r"(pc), "r"(sp) : "memory" )
  51 #endif