117 lines
3.8 KiB
ArmAsm
117 lines
3.8 KiB
ArmAsm
# -*- Mode: Asm -*-
|
|
#
|
|
# The contents of this file are subject to the Netscape Public
|
|
# License Version 1.1 (the "License"); you may not use this file
|
|
# except in compliance with the License. You may obtain a copy of
|
|
# the License at http://www.mozilla.org/NPL/
|
|
#
|
|
# Software distributed under the License is distributed on an "AS
|
|
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
# implied. See the License for the specific language governing
|
|
# rights and limitations under the License.
|
|
#
|
|
# The Original Code is mozilla.org code.
|
|
#
|
|
# The Initial Developer of the Original Code is Netscape
|
|
# Communications Corporation. Portions created by Netscape are
|
|
# Copyright (C) 1999 Netscape Communications Corporation. All
|
|
# Rights Reserved.
|
|
#
|
|
# Contributor(s):
|
|
# Franz.Sirl-kernel@lauterbach.com (Franz Sirl)
|
|
# beard@netscape.com (Patrick Beard)
|
|
# waterson@netscape.com (Chris Waterson)
|
|
#
|
|
|
|
.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 XPTC_InvokeByIndex
|
|
.type XPTC_InvokeByIndex,@function
|
|
|
|
#
|
|
# XPTC_InvokeByIndex(nsISupports* that, PRUint32 methodIndex,
|
|
# PRUint32 paramCount, nsXPTCVariant* params)
|
|
#
|
|
|
|
XPTC_InvokeByIndex:
|
|
stwu sp,-32(sp) # setup standard stack frame
|
|
mflr r0 # save LR
|
|
stw r3,8(sp) # r3 <= that
|
|
stw r4,12(sp) # r4 <= methodIndex
|
|
stw r30,16(sp)
|
|
stw r31,20(sp)
|
|
|
|
stw r0,36(sp) # store LR backchain
|
|
mr r31,sp
|
|
|
|
rlwinm r10,r5,3,0,27 # r10 = (ParamCount * 2 * 4) & ~0x0f
|
|
addi r0,r10,96 # reserve stack for GPR and FPR register save area r0 = r10 + 96
|
|
lwz r9,0(sp) # r9 = backchain
|
|
neg r0,r0
|
|
stwux r9,sp,r0 # reserve stack space and save SP backchain
|
|
|
|
addi r3,sp,8 # r3 <= args
|
|
mr r4,r5 # r4 <= paramCount
|
|
mr r5,r6 # r5 <= params
|
|
add r6,r3,r10 # r6 <= gpregs ( == args + r10 )
|
|
mr r30,r6 # store in r30 for use later...
|
|
addi r7,r6,32 # r7 <= fpregs ( == gpregs + 32 )
|
|
|
|
bl invoke_copy_to_stack@local # (args, paramCount, params, gpregs, fpregs)
|
|
|
|
lfd f1,32(r30) # load FP registers with method parameters
|
|
lfd f2,40(r30)
|
|
lfd f3,48(r30)
|
|
lfd f4,56(r30)
|
|
lfd f5,64(r30)
|
|
lfd f6,72(r30)
|
|
lfd f7,80(r30)
|
|
lfd f8,88(r30)
|
|
|
|
lwz r3,8(r31) # r3 <= that
|
|
lwz r4,12(r31) # r4 <= methodIndex
|
|
lwz r5,0(r3) # r5 <= vtable ( == *that )
|
|
#if 0
|
|
#if !((__GNUC__ == 3 && __GNUC_MINOR__ < 2) || __GXX_ABI_VERSION >= 100) # G++ pre-V3 ABI
|
|
addi r4,r4,2 # skip first two vtable entries
|
|
#endif
|
|
#endif
|
|
subi r4,r4,2 # skip first two vtable entries
|
|
slwi r4,r4,2 # convert to offset ( *= 4 )
|
|
lwzx r0,r5,r4 # r0 <= methodpointer ( == vtable + offset )
|
|
|
|
lwz r4,4(r30) # load GP regs with method parameters
|
|
lwz r5,8(r30)
|
|
lwz r6,12(r30)
|
|
lwz r7,16(r30)
|
|
lwz r8,20(r30)
|
|
lwz r9,24(r30)
|
|
lwz r10,28(r30)
|
|
|
|
mtlr r0 # copy methodpointer to LR
|
|
blrl # call method
|
|
|
|
lwz r30,16(r31) # restore r30 & r31
|
|
lwz r31,20(r31)
|
|
|
|
lwz r11,0(sp) # clean up the stack
|
|
lwz r0,4(r11)
|
|
mtlr r0
|
|
mr sp,r11
|
|
blr
|