diff options
Diffstat (limited to 'xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_ppc_aix.s')
| -rw-r--r-- | xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_ppc_aix.s | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_ppc_aix.s b/xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_ppc_aix.s new file mode 100644 index 0000000000..eb6b6661d3 --- /dev/null +++ b/xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_ppc_aix.s @@ -0,0 +1,129 @@ +# +# -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- +# +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. + +.set r0,0; .set sp,1; .set RTOC,2; .set r3,3; .set r4,4 +.set r5,5; .set r6,6; .set r7,7; .set r8,8; .set r9,9 +.set r10,10; .set r11,11; .set r12,12; .set r13,13; .set r14,14 +.set r15,15; .set r16,16; .set r17,17; .set r18,18; .set r19,19 +.set r20,20; .set r21,21; .set r22,22; .set r23,23; .set r24,24 +.set r25,25; .set r26,26; .set r27,27; .set r28,28; .set r29,29 +.set r30,30; .set r31,31 +.set f0,0; .set f1,1; .set f2,2; .set f3,3; .set f4,4 +.set f5,5; .set f6,6; .set f7,7; .set f8,8; .set f9,9 +.set f10,10; .set f11,11; .set f12,12; .set f13,13; .set f14,14 +.set f15,15; .set f16,16; .set f17,17; .set f18,18; .set f19,19 +.set f20,20; .set f21,21; .set f22,22; .set f23,23; .set f24,24 +.set f25,25; .set f26,26; .set f27,27; .set f28,28; .set f29,29 +.set f30,30; .set f31,31 +.set BO_IF,12 +.set CR0_EQ,2 + + + + .rename H.10.NO_SYMBOL{PR},"" + .rename H.18.NS_InvokeByIndex{TC},"NS_InvokeByIndex" + + +# .text section + + .csect H.10.NO_SYMBOL{PR} + .globl .NS_InvokeByIndex + .globl NS_InvokeByIndex{DS} + .extern .invoke_copy_to_stack + .extern ._ptrgl{PR} + + +# +# NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex, +# uint32_t paramCount, nsXPTCVariant* params) +# + +.NS_InvokeByIndex: + mflr r0 + stw r31,-4(sp) +# +# save off the incoming values in the caller's parameter area +# + stw r3,24(sp) # that + stw r4,28(sp) # methodIndex + stw r5,32(sp) # paramCount + stw r6,36(sp) # params + stw r0,8(sp) + stwu sp,-136(sp) # = 24 for linkage area, 8 * 13 for fprData area, 8 for saved registers + +# prepare args for 'invoke_copy_to_stack' call +# + lwz r4,168(sp) # paramCount + lwz r5,172(sp) # params + mr r6,sp # fprData + slwi r3,r4,3 # number of bytes of stack required + # at most 8*paramCount + addi r3,r3,28 # linkage area + mr r31,sp # save original stack top + subfc sp,r3,sp # bump the stack + addi r3,sp,28 # parameter pointer excludes linkage area size + 'this' + + bl .invoke_copy_to_stack + nop + + lfd f1,0(r31) # Restore floating point registers + lfd f2,8(r31) + lfd f3,16(r31) + lfd f4,24(r31) + lfd f5,32(r31) + lfd f6,40(r31) + lfd f7,48(r31) + lfd f8,56(r31) + lfd f9,64(r31) + lfd f10,72(r31) + lfd f11,80(r31) + lfd f12,88(r31) + lfd f13,96(r31) + + lwz r3,160(r31) # that + lwz r4,0(r3) # get vTable from 'that' + lwz r5,164(r31) # methodIndex + slwi r5,r5,3 # methodIndex * 8 + addi r5,r5,8 # step over junk at start of vTable ! + lwzx r11,r5,r4 # get function pointer + + addi r5,r5,4 # We need to manually adjust the 'that' pointer, this is CFRONT based + lwzx r5,r4,r5 # offset = r4(vtable) + r5(methodIndex offset) - 4 + add r3,r5,r3 # adjust 'that' r3 = r3 + r5 + + lwz r4,28(sp) + lwz r5,32(sp) + lwz r6,36(sp) + lwz r7,40(sp) + lwz r8,44(sp) + lwz r9,48(sp) + lwz r10,52(sp) + + bl ._ptrgl{PR} + nop + + mr sp,r31 + lwz r0,144(sp) + addi sp,sp,136 + mtlr r0 + lwz r31,-4(sp) + blr + + +# .data section + + .toc # 0x00000038 +T.18.NS_InvokeByIndex: + .tc H.18.NS_InvokeByIndex{TC},NS_InvokeByIndex{DS} + + .csect NS_InvokeByIndex{DS} + .long .NS_InvokeByIndex # "\0\0\0\0" + .long TOC{TC0} # "\0\0\0008" + .long 0x00000000 # "\0\0\0\0" +# End csect NS_InvokeByIndex{DS} + +# .bss section |