The Tor Browser / annotate

xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_ppc_aix.s@6474c204b198 (annotated)

xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_ppc_aix.s

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 #
michael@0 2 # -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0 3 #
michael@0 4 # This Source Code Form is subject to the terms of the Mozilla Public
michael@0 5 # License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 6 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
michael@0 7
michael@0 8 .set r0,0; .set sp,1; .set RTOC,2; .set r3,3; .set r4,4
michael@0 9 .set r5,5; .set r6,6; .set r7,7; .set r8,8; .set r9,9
michael@0 10 .set r10,10; .set r11,11; .set r12,12; .set r13,13; .set r14,14
michael@0 11 .set r15,15; .set r16,16; .set r17,17; .set r18,18; .set r19,19
michael@0 12 .set r20,20; .set r21,21; .set r22,22; .set r23,23; .set r24,24
michael@0 13 .set r25,25; .set r26,26; .set r27,27; .set r28,28; .set r29,29
michael@0 14 .set r30,30; .set r31,31
michael@0 15 .set f0,0; .set f1,1; .set f2,2; .set f3,3; .set f4,4
michael@0 16 .set f5,5; .set f6,6; .set f7,7; .set f8,8; .set f9,9
michael@0 17 .set f10,10; .set f11,11; .set f12,12; .set f13,13; .set f14,14
michael@0 18 .set f15,15; .set f16,16; .set f17,17; .set f18,18; .set f19,19
michael@0 19 .set f20,20; .set f21,21; .set f22,22; .set f23,23; .set f24,24
michael@0 20 .set f25,25; .set f26,26; .set f27,27; .set f28,28; .set f29,29
michael@0 21 .set f30,30; .set f31,31
michael@0 22 .set BO_IF,12
michael@0 23 .set CR0_EQ,2
michael@0 24
michael@0 25
michael@0 26
michael@0 27 .rename H.10.NO_SYMBOL{PR},""
michael@0 28 .rename H.18.NS_InvokeByIndex{TC},"NS_InvokeByIndex"
michael@0 29
michael@0 30
michael@0 31 # .text section
michael@0 32
michael@0 33 .csect H.10.NO_SYMBOL{PR}
michael@0 34 .globl .NS_InvokeByIndex
michael@0 35 .globl NS_InvokeByIndex{DS}
michael@0 36 .extern .invoke_copy_to_stack
michael@0 37 .extern ._ptrgl{PR}
michael@0 38
michael@0 39
michael@0 40 #
michael@0 41 # NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex,
michael@0 42 # uint32_t paramCount, nsXPTCVariant* params)
michael@0 43 #
michael@0 44
michael@0 45 .NS_InvokeByIndex:
michael@0 46 mflr r0
michael@0 47 stw r31,-4(sp)
michael@0 48 #
michael@0 49 # save off the incoming values in the caller's parameter area
michael@0 50 #
michael@0 51 stw r3,24(sp) # that
michael@0 52 stw r4,28(sp) # methodIndex
michael@0 53 stw r5,32(sp) # paramCount
michael@0 54 stw r6,36(sp) # params
michael@0 55 stw r0,8(sp)
michael@0 56 stwu sp,-136(sp) # = 24 for linkage area, 8 * 13 for fprData area, 8 for saved registers
michael@0 57
michael@0 58 # prepare args for 'invoke_copy_to_stack' call
michael@0 59 #
michael@0 60 lwz r4,168(sp) # paramCount
michael@0 61 lwz r5,172(sp) # params
michael@0 62 mr r6,sp # fprData
michael@0 63 slwi r3,r4,3 # number of bytes of stack required
michael@0 64 # at most 8*paramCount
michael@0 65 addi r3,r3,28 # linkage area
michael@0 66 mr r31,sp # save original stack top
michael@0 67 subfc sp,r3,sp # bump the stack
michael@0 68 addi r3,sp,28 # parameter pointer excludes linkage area size + 'this'
michael@0 69
michael@0 70 bl .invoke_copy_to_stack
michael@0 71 nop
michael@0 72
michael@0 73 lfd f1,0(r31) # Restore floating point registers
michael@0 74 lfd f2,8(r31)
michael@0 75 lfd f3,16(r31)
michael@0 76 lfd f4,24(r31)
michael@0 77 lfd f5,32(r31)
michael@0 78 lfd f6,40(r31)
michael@0 79 lfd f7,48(r31)
michael@0 80 lfd f8,56(r31)
michael@0 81 lfd f9,64(r31)
michael@0 82 lfd f10,72(r31)
michael@0 83 lfd f11,80(r31)
michael@0 84 lfd f12,88(r31)
michael@0 85 lfd f13,96(r31)
michael@0 86
michael@0 87 lwz r3,160(r31) # that
michael@0 88 lwz r4,0(r3) # get vTable from 'that'
michael@0 89 lwz r5,164(r31) # methodIndex
michael@0 90 slwi r5,r5,3 # methodIndex * 8
michael@0 91 addi r5,r5,8 # step over junk at start of vTable !
michael@0 92 lwzx r11,r5,r4 # get function pointer
michael@0 93
michael@0 94 addi r5,r5,4 # We need to manually adjust the 'that' pointer, this is CFRONT based
michael@0 95 lwzx r5,r4,r5 # offset = r4(vtable) + r5(methodIndex offset) - 4
michael@0 96 add r3,r5,r3 # adjust 'that' r3 = r3 + r5
michael@0 97
michael@0 98 lwz r4,28(sp)
michael@0 99 lwz r5,32(sp)
michael@0 100 lwz r6,36(sp)
michael@0 101 lwz r7,40(sp)
michael@0 102 lwz r8,44(sp)
michael@0 103 lwz r9,48(sp)
michael@0 104 lwz r10,52(sp)
michael@0 105
michael@0 106 bl ._ptrgl{PR}
michael@0 107 nop
michael@0 108
michael@0 109 mr sp,r31
michael@0 110 lwz r0,144(sp)
michael@0 111 addi sp,sp,136
michael@0 112 mtlr r0
michael@0 113 lwz r31,-4(sp)
michael@0 114 blr
michael@0 115
michael@0 116
michael@0 117 # .data section
michael@0 118
michael@0 119 .toc # 0x00000038
michael@0 120 T.18.NS_InvokeByIndex:
michael@0 121 .tc H.18.NS_InvokeByIndex{TC},NS_InvokeByIndex{DS}
michael@0 122
michael@0 123 .csect NS_InvokeByIndex{DS}
michael@0 124 .long .NS_InvokeByIndex # "\0\0\0\0"
michael@0 125 .long TOC{TC0} # "\0\0\0008"
michael@0 126 .long 0x00000000 # "\0\0\0\0"
michael@0 127 # End csect NS_InvokeByIndex{DS}
michael@0 128
michael@0 129 # .bss section

Mercurial Repository: The Tor Browser

Europalab SCM Repository Server

mercurial