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/* -*- Mode: asm; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* Version: MPL 1.1
*
* 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/. */
.LEVEL 1.1
.TEXT
.ALIGN 4
curframesz:
.EQU 128
; SharedStub has stack size of 128 bytes
lastframesz:
.EQU 64
; the StubN C++ function has a small stack size of 64 bytes
.globl SharedStub
.type SharedStub, @function
SharedStub:
.PROC
.CALLINFO CALLER,FRAME=80,SAVE_RP
.ENTRY
STW %rp,-20(%sp)
LDO 128(%sp),%sp
STW %r19,-32(%r30)
STW %r26,-36-curframesz(%r30) ; save arg0 in previous frame
LDO -80(%r30),%r28
FSTD,MA %fr5,8(%r28) ; save darg0
FSTD,MA %fr7,8(%r28) ; save darg1
FSTW,MA %fr4L,4(%r28) ; save farg0
FSTW,MA %fr5L,4(%r28) ; save farg1
FSTW,MA %fr6L,4(%r28) ; save farg2
FSTW,MA %fr7L,4(%r28) ; save farg3
; Former value of register 26 is already properly saved by StubN,
; but register 25-23 are not because of the argument mismatch
STW %r25,-40-curframesz-lastframesz(%r30) ; save r25
STW %r24,-44-curframesz-lastframesz(%r30) ; save r24
STW %r23,-48-curframesz-lastframesz(%r30) ; save r23
COPY %r26,%r25 ; method index is arg1
LDW -36-curframesz-lastframesz(%r30),%r26 ; self is arg0
LDO -40-curframesz-lastframesz(%r30),%r24 ; normal args is arg2
LDO -80(%r30),%r23 ; floating args is arg3
.CALL ARGW0=GR,ARGW1=GR,ARGW2=GR,ARGW3=GR,RTNVAL=GR ;in=23-26;out=28;
BL PrepareAndDispatch, %r31
COPY %r31,%r2
LDW -32(%r30),%r19
LDW -148(%sp),%rp
LDO -128(%sp),%sp
BV,N (%rp)
NOP
NOP
.EXIT
.PROCEND ;in=26;out=28;
.SIZE SharedStub, .-SharedStub
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