xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_ppc_netbsd.s@129ffea94266
xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_ppc_netbsd.s
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
1 # -*- Mode: Asm -*-
2 #
3 # This Source Code Form is subject to the terms of the Mozilla Public
4 # License, v. 2.0. If a copy of the MPL was not distributed with this
5 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
6 .set r0,0; .set sp,1; .set RTOC,2; .set r3,3; .set r4,4
7 .set r5,5; .set r6,6; .set r7,7; .set r8,8; .set r9,9
8 .set r10,10; .set r11,11; .set r12,12; .set r13,13; .set r14,14
9 .set r15,15; .set r16,16; .set r17,17; .set r18,18; .set r19,19
10 .set r20,20; .set r21,21; .set r22,22; .set r23,23; .set r24,24
11 .set r25,25; .set r26,26; .set r27,27; .set r28,28; .set r29,29
12 .set r30,30; .set r31,31
13 .set f0,0; .set f1,1; .set f2,2; .set f3,3; .set f4,4
14 .set f5,5; .set f6,6; .set f7,7; .set f8,8; .set f9,9
15 .set f10,10; .set f11,11; .set f12,12; .set f13,13; .set f14,14
16 .set f15,15; .set f16,16; .set f17,17; .set f18,18; .set f19,19
17 .set f20,20; .set f21,21; .set f22,22; .set f23,23; .set f24,24
18 .set f25,25; .set f26,26; .set f27,27; .set f28,28; .set f29,29
19 .set f30,30; .set f31,31
21 .section ".text"
22 .align 2
23 .globl XPTC_InvokeByIndex
24 .type XPTC_InvokeByIndex,@function
26 #
27 # XPTC_InvokeByIndex(nsISupports* that, uint32_t methodIndex,
28 # uint32_t paramCount, nsXPTCVariant* params)
29 #
31 XPTC_InvokeByIndex:
32 stwu sp,-32(sp) # setup standard stack frame
33 mflr r0 # save LR
34 stw r3,8(sp) # r3 <= that
35 stw r4,12(sp) # r4 <= methodIndex
36 stw r30,16(sp)
37 stw r31,20(sp)
39 stw r0,36(sp) # store LR backchain
40 mr r31,sp
42 rlwinm r10,r5,3,0,27 # r10 = (ParamCount * 2 * 4) & ~0x0f
43 addi r0,r10,96 # reserve stack for GPR and FPR register save area r0 = r10 + 96
44 lwz r9,0(sp) # r9 = backchain
45 neg r0,r0
46 stwux r9,sp,r0 # reserve stack sapce and save SP backchain
48 addi r3,sp,8 # r3 <= args
49 mr r4,r5 # r4 <= paramCount
50 mr r5,r6 # r5 <= params
51 add r6,r3,r10 # r6 <= gpregs ( == args + r10 )
52 mr r30,r6 # store in r30 for use later...
53 addi r7,r6,32 # r7 <= fpregs ( == gpregs + 32 )
55 bl invoke_copy_to_stack@local # (args, paramCount, params, gpregs, fpregs)
57 lfd f1,32(r30) # load FP registers with method parameters
58 lfd f2,40(r30)
59 lfd f3,48(r30)
60 lfd f4,56(r30)
61 lfd f5,64(r30)
62 lfd f6,72(r30)
63 lfd f7,80(r30)
64 lfd f8,88(r30)
66 lwz r3,8(r31) # r3 <= that
67 lwz r4,12(r31) # r4 <= methodIndex
68 lwz r5,0(r3) # r5 <= vtable ( == *that )
69 slwi r4,r4,3 # convert to offset ( *= 8 )
70 addi r4,r4,8 # skip first two vtable entries
71 add r4,r4,r5
72 lhz r0,0(r4) # virtual base offset
73 extsh r0,r0
74 add r3,r3,r0
75 lwz r0,4(r4) # r0 <= methodpointer ( == vtable + offset )
77 lwz r4,4(r30) # load GP regs with method parameters
78 lwz r5,8(r30)
79 lwz r6,12(r30)
80 lwz r7,16(r30)
81 lwz r8,20(r30)
82 lwz r9,24(r30)
83 lwz r10,28(r30)
85 mtlr r0 # copy methodpointer to LR
86 blrl # call method
88 lwz r30,16(r31) # restore r30 & r31
89 lwz r31,20(r31)
91 lwz r11,0(sp) # clean up the stack
92 lwz r0,4(r11)
93 mtlr r0
94 mr sp,r11
95 blr
