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# 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 r1,1; .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
#if _CALL_ELF == 2
#define STACK_PARAMS 96
#else
#define STACK_PARAMS 112
#endif
#if _CALL_ELF == 2
.section ".text"
.type SharedStub,@function
.globl SharedStub
# Make the symbol hidden so that the branch from the stub does
# not go via a PLT. This is not only better for performance,
# but may be necessary to avoid linker errors since there is
# no place to restore the TOC register in a sibling call.
.hidden SharedStub
.align 2
SharedStub:
0: addis 2,12,(.TOC.-0b)@ha
addi 2,2,(.TOC.-0b)@l
.localentry SharedStub,.-SharedStub
#else
.section ".text"
.align 2
.globl SharedStub
# Make the symbol hidden so that the branch from the stub does
# not go via a PLT. This is not only better for performance,
# but may be necessary to avoid linker errors since there is
# no place to restore the TOC register in a sibling call.
.hidden SharedStub
.section ".opd","aw"
.align 3
SharedStub:
.quad .SharedStub,.TOC.@tocbase
.previous
.type SharedStub,@function
.SharedStub:
#endif
mflr r0
std r4, -56(r1) # Save all GPRS
std r5, -48(r1)
std r6, -40(r1)
std r7, -32(r1)
std r8, -24(r1)
std r9, -16(r1)
std r10, -8(r1)
stfd f13, -64(r1) # ... and FPRS
stfd f12, -72(r1)
stfd f11, -80(r1)
stfd f10, -88(r1)
stfd f9, -96(r1)
stfd f8, -104(r1)
stfd f7, -112(r1)
stfd f6, -120(r1)
stfd f5, -128(r1)
stfd f4, -136(r1)
stfd f3, -144(r1)
stfd f2, -152(r1)
stfd f1, -160(r1)
subi r6,r1,56 # r6 --> gprData
subi r7,r1,160 # r7 --> fprData
addi r5,r1,STACK_PARAMS # r5 --> extra stack args
std r0, 16(r1)
stdu r1,-288(r1)
# r3 has the 'self' pointer
# already
mr r4,r11 # r4 is methodIndex selector,
# passed via r11 in the
# nsNSStubBase::StubXX() call
bl PrepareAndDispatch
nop
ld 1,0(r1) # restore stack
ld r0,16(r1) # restore LR
mtlr r0
blr
#if _CALL_ELF == 2
.size SharedStub,.-SharedStub
#else
.size SharedStub,.-.SharedStub
#endif
# Magic indicating no need for an executable stack
.section .note.GNU-stack, "", @progbits
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