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// -*- Mode: Asm -*-
//
// 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
.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
.section ".text"
.align 2
.globl SharedStub
.type SharedStub,@function
SharedStub:
stwu sp,-112(sp) // room for
// linkage (8),
// gprData (32),
// fprData (64),
// stack alignment(8)
mflr r0
stw r0,116(sp) // save LR backchain
stw r4,12(sp) // save GP registers
stw r5,16(sp) // (n.b. that we don't save r3
stw r6,20(sp) // because PrepareAndDispatch() is savvy)
stw r7,24(sp)
stw r8,28(sp)
stw r9,32(sp)
stw r10,36(sp)
#ifndef __NO_FPRS__
stfd f1,40(sp) // save FP registers
stfd f2,48(sp)
stfd f3,56(sp)
stfd f4,64(sp)
stfd f5,72(sp)
stfd f6,80(sp)
stfd f7,88(sp)
stfd f8,96(sp)
#endif
// r3 has the 'self' pointer already
mr r4,r11 // r4 <= methodIndex selector, passed
// via r11 in the nsXPTCStubBase::StubXX() call
addi r5,sp,120 // r5 <= pointer to callers args area,
// beyond r3-r10/f1-f8 mapped range
addi r6,sp,8 // r6 <= gprData
#ifndef __NO_FPRS__
addi r7,sp,40 // r7 <= fprData
#else
li r7, 0 // r7 should be unused
#endif
bl PrepareAndDispatch@local // Go!
lwz r0,116(sp) // restore LR
mtlr r0
la sp,112(sp) // clean up the stack
blr
/* Magic indicating no need for an executable stack */
.section .note.GNU-stack, "", @progbits