gcc/boehm-gc/powerpc_darwin_mach_dep.s

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2003-07-28 05:46:07 +02:00
; GC_push_regs function. Under some optimization levels GCC will clobber
; some of the non-volatile registers before we get a chance to save them
; therefore, this can't be inline asm.
.text
.align 2
.globl _GC_push_regs
_GC_push_regs:
; Prolog
mflr r0
stw r0,8(r1)
stwu r1,-80(r1)
; Push r13-r31
mr r3,r13
bl L_GC_push_one$stub
mr r3,r14
bl L_GC_push_one$stub
mr r3,r15
bl L_GC_push_one$stub
mr r3,r16
bl L_GC_push_one$stub
mr r3,r17
bl L_GC_push_one$stub
mr r3,r18
bl L_GC_push_one$stub
mr r3,r19
bl L_GC_push_one$stub
mr r3,r20
bl L_GC_push_one$stub
mr r3,r21
bl L_GC_push_one$stub
mr r3,r22
bl L_GC_push_one$stub
mr r3,r23
bl L_GC_push_one$stub
mr r3,r24
bl L_GC_push_one$stub
mr r3,r25
bl L_GC_push_one$stub
mr r3,r26
bl L_GC_push_one$stub
mr r3,r27
bl L_GC_push_one$stub
mr r3,r28
bl L_GC_push_one$stub
mr r3,r29
bl L_GC_push_one$stub
mr r3,r30
bl L_GC_push_one$stub
mr r3,r31
bl L_GC_push_one$stub
;
lwz r0,88(r1)
addi r1,r1,80
mtlr r0
; Return
blr
; PIC stuff, generated by GCC
.data
.picsymbol_stub
L_GC_push_one$stub:
.indirect_symbol _GC_push_one
mflr r0
bcl 20,31,L0$_GC_push_one
L0$_GC_push_one:
mflr r11
addis r11,r11,ha16(L_GC_push_one$lazy_ptr-L0$_GC_push_one)
mtlr r0
lwz r12,lo16(L_GC_push_one$lazy_ptr-L0$_GC_push_one)(r11)
mtctr r12
addi r11,r11,lo16(L_GC_push_one$lazy_ptr-L0$_GC_push_one)
bctr
.data
.lazy_symbol_pointer
L_GC_push_one$lazy_ptr:
.indirect_symbol _GC_push_one
.long dyld_stub_binding_helper