arch/sh/crt_arch.h

   1 #ifdef __SH_FDPIC__
   2
   3 __asm__(
   4 ".text \n"
   5 ".global " START " \n"
   6 START ": \n"
   7 "       tst r8, r8 \n"
   8 "       bf 1f \n"
   9 "       mov #68, r3 \n"
  10 "       add r3, r3 \n"
  11 "       mov #8, r4 \n"
  12 "       swap.w r4, r4 \n"
  13 "       trapa #31 \n"
  14 "       nop \n"
  15 "       nop \n"
  16 "       nop \n"
  17 "       nop \n"
  18 "1:     nop \n"
  19 #ifndef SHARED
  20 "       mov r8, r4 \n"
  21 "       mova 1f, r0 \n"
  22 "       mov.l 1f, r5 \n"
  23 "       mov.l 1f+4, r6 \n"
  24 "       add r0, r5 \n"
  25 "       mov.l 4f, r1 \n"
  26 "5:     bsrf r1 \n"
  27 "        add r0, r6 \n"
  28 "       mov r0, r12 \n"
  29 #endif
  30 "       mov r10, r5 \n"
  31 "       mov r15, r4 \n"
  32 "       mov.l r9, @-r15 \n"
  33 "       mov.l r8, @-r15 \n"
  34 "       mov #-16, r0 \n"
  35 "       mov.l 2f, r1 \n"
  36 "3:     bsrf r1 \n"
  37 "        and r0, r15 \n"
  38 ".align 2 \n"
  39 "1:     .long __ROFIXUP_LIST__@PCREL \n"
  40 "       .long __ROFIXUP_END__@PCREL + 4 \n"
  41 "2:     .long " START "_c@PCREL - (3b+4-.) \n"
  42 #ifndef SHARED
  43 "4:     .long __fdpic_fixup@PCREL - (5b+4-.) \n"
  44 #endif
  45 );
  46
  47 #ifndef SHARED
  48 #include "fdpic_crt.h"
  49 #endif
  50
  51 #else
  52
  53 __asm__(
  54 ".text \n"
  55 ".global " START " \n"
  56 START ": \n"
  57 "       mova 1f, r0 \n"
  58 "       mov.l 1f, r5 \n"
  59 "       add r0, r5 \n"
  60 "       mov r15, r4 \n"
  61 "       mov #-16, r0 \n"
  62 "       mov.l 2f, r1 \n"
  63 "3:     bsrf r1 \n"
  64 "        and r0, r15 \n"
  65 ".align 2 \n"
  66 ".weak _DYNAMIC \n"
  67 ".hidden _DYNAMIC \n"
  68 "1:     .long _DYNAMIC-. \n"
  69 "2:     .long " START "_c@PCREL - (3b+4-.) \n"
  70 );
  71
  72 #endif
  73
  74 /* used by gcc for switching the FPU between single and double precision */
  75 #ifdef SHARED
  76 __attribute__((__visibility__("hidden")))
  77 #endif
  78 const unsigned long __fpscr_values[2] = { 0, 0x80000 };