boehm-gc/powerpc_darwin_mach_dep.s

   1
   2 ; GC_push_regs function. Under some optimization levels GCC will clobber
   3 ; some of the non-volatile registers before we get a chance to save them
   4 ; therefore, this can't be inline asm.
   5
   6 .text
   7         .align 2
   8         .globl _GC_push_regs
   9 _GC_push_regs:
  10
  11     ; Prolog
  12         mflr r0
  13         stw r0,8(r1)
  14         stwu r1,-80(r1)
  15
  16         ; Push r13-r31
  17         mr r3,r13
  18         bl L_GC_push_one$stub
  19         mr r3,r14
  20         bl L_GC_push_one$stub
  21         mr r3,r15
  22         bl L_GC_push_one$stub
  23         mr r3,r16
  24         bl L_GC_push_one$stub
  25         mr r3,r17
  26         bl L_GC_push_one$stub
  27         mr r3,r18
  28         bl L_GC_push_one$stub
  29         mr r3,r19
  30         bl L_GC_push_one$stub
  31         mr r3,r20
  32         bl L_GC_push_one$stub
  33         mr r3,r21
  34         bl L_GC_push_one$stub
  35         mr r3,r22
  36         bl L_GC_push_one$stub
  37         mr r3,r23
  38         bl L_GC_push_one$stub
  39         mr r3,r24
  40         bl L_GC_push_one$stub
  41         mr r3,r25
  42         bl L_GC_push_one$stub
  43         mr r3,r26
  44         bl L_GC_push_one$stub
  45         mr r3,r27
  46         bl L_GC_push_one$stub
  47         mr r3,r28
  48         bl L_GC_push_one$stub
  49         mr r3,r29
  50         bl L_GC_push_one$stub
  51         mr r3,r30
  52         bl L_GC_push_one$stub
  53         mr r3,r31
  54         bl L_GC_push_one$stub
  55
  56     ;
  57     lwz r0,88(r1)
  58     addi r1,r1,80
  59         mtlr r0
  60
  61         ; Return
  62         blr
  63
  64 ; PIC stuff, generated by GCC
  65
  66 .data
  67 .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
  68         .align 2
  69 L_GC_push_one$stub:
  70         .indirect_symbol _GC_push_one
  71         mflr r0
  72         bcl 20,31,L0$_GC_push_one
  73 L0$_GC_push_one:
  74         mflr r11
  75         addis r11,r11,ha16(L_GC_push_one$lazy_ptr-L0$_GC_push_one)
  76         mtlr r0
  77         lwzu r12,lo16(L_GC_push_one$lazy_ptr-L0$_GC_push_one)(r11)
  78         mtctr r12
  79         bctr
  80 .data
  81 .lazy_symbol_pointer
  82 L_GC_push_one$lazy_ptr:
  83         .indirect_symbol _GC_push_one
  84         .long dyld_stub_binding_helper