diff options
Diffstat (limited to 'boehm-gc/powerpc_darwin_mach_dep.s')
| -rw-r--r-- | boehm-gc/powerpc_darwin_mach_dep.s | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/boehm-gc/powerpc_darwin_mach_dep.s b/boehm-gc/powerpc_darwin_mach_dep.s new file mode 100644 index 00000000000..92f2c93ca8d --- /dev/null +++ b/boehm-gc/powerpc_darwin_mach_dep.s @@ -0,0 +1,84 @@ + +; 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 |