xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_parisc_linux.s@129ffea94266 (annotated)
xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_parisc_linux.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.
| michael@0 | 1 | /* -*- Mode: asm; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
| michael@0 | 2 | * Version: MPL 1.1 |
| 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 | .LEVEL 1.1 |
| michael@0 | 9 | .text |
| michael@0 | 10 | .align 4 |
| michael@0 | 11 | |
| michael@0 | 12 | framesz: |
| michael@0 | 13 | .equ 128 |
| michael@0 | 14 | |
| michael@0 | 15 | .globl NS_InvokeByIndex |
| michael@0 | 16 | .type NS_InvokeByIndex, @function |
| michael@0 | 17 | |
| michael@0 | 18 | |
| michael@0 | 19 | NS_InvokeByIndex: |
| michael@0 | 20 | .PROC |
| michael@0 | 21 | .CALLINFO FRAME=72, CALLER,SAVE_RP, SAVE_SP, ENTRY_GR=3 |
| michael@0 | 22 | .ENTRY |
| michael@0 | 23 | |
| michael@0 | 24 | ; frame marker takes 48 bytes, |
| michael@0 | 25 | ; register spill area takes 8 bytes, |
| michael@0 | 26 | ; local stack area takes 72 bytes result in 128 bytes total |
| michael@0 | 27 | |
| michael@0 | 28 | STW %rp,-20(%sp) |
| michael@0 | 29 | STW,MA %r3,128(%sp) |
| michael@0 | 30 | |
| michael@0 | 31 | LDO -framesz(%r30),%r28 |
| michael@0 | 32 | STW %r28,-4(%r30) ; save previous sp |
| michael@0 | 33 | STW %r19,-32(%r30) |
| michael@0 | 34 | |
| michael@0 | 35 | STW %r26,-36-framesz(%r30) ; save argument registers in |
| michael@0 | 36 | STW %r25,-40-framesz(%r30) ; in PREVIOUS frame |
| michael@0 | 37 | STW %r24,-44-framesz(%r30) ; |
| michael@0 | 38 | STW %r23,-48-framesz(%r30) ; |
| michael@0 | 39 | |
| michael@0 | 40 | .CALL ARGW0=GR,ARGW1=GR,ARGW2=GR ;in=24,25,26;out=28 |
| michael@0 | 41 | BL invoke_count_bytes,%r31 |
| michael@0 | 42 | COPY %r31,%r2 |
| michael@0 | 43 | |
| michael@0 | 44 | CMPIB,>= 0,%r28, .+76 |
| michael@0 | 45 | COPY %r30,%r3 ; copy stack ptr to saved stack ptr |
| michael@0 | 46 | ADD %r30,%r28,%r30 ; extend stack frame |
| michael@0 | 47 | LDW -4(%r3),%r28 ; move frame |
| michael@0 | 48 | STW %r28,-4(%r30) |
| michael@0 | 49 | LDW -8(%r3),%r28 |
| michael@0 | 50 | STW %r28,-8(%r30) |
| michael@0 | 51 | LDW -12(%r3),%r28 |
| michael@0 | 52 | STW %r28,-12(%r30) |
| michael@0 | 53 | LDW -16(%r3),%r28 |
| michael@0 | 54 | STW %r28,-16(%r30) |
| michael@0 | 55 | LDW -20(%r3),%r28 |
| michael@0 | 56 | STW %r28,-20(%r30) |
| michael@0 | 57 | LDW -24(%r3),%r28 |
| michael@0 | 58 | STW %r28,-24(%r30) |
| michael@0 | 59 | LDW -28(%r3),%r28 |
| michael@0 | 60 | STW %r28,-28(%r30) |
| michael@0 | 61 | LDW -32(%r3),%r28 |
| michael@0 | 62 | STW %r28,-32(%r30) |
| michael@0 | 63 | |
| michael@0 | 64 | LDO -40(%r30),%r26 ; load copy address |
| michael@0 | 65 | LDW -44-framesz(%r3),%r25 ; load rest of 2 arguments |
| michael@0 | 66 | LDW -48-framesz(%r3),%r24 ; |
| michael@0 | 67 | |
| michael@0 | 68 | LDW -32(%r30),%r19 ; shared lib call destroys r19; reload |
| michael@0 | 69 | .CALL ARGW0=GR,ARGW1=GR,ARGW2=GR ;in=24,25,26 |
| michael@0 | 70 | BL invoke_copy_to_stack,%r31 |
| michael@0 | 71 | COPY %r31,%r2 |
| michael@0 | 72 | |
| michael@0 | 73 | LDO -48(%r30),%r20 |
| michael@0 | 74 | EXTRW,U,= %r28,31,1,%r22 |
| michael@0 | 75 | FLDD 0(%r20),%fr7 ; load double arg 1 |
| michael@0 | 76 | EXTRW,U,= %r28,30,1,%r22 |
| michael@0 | 77 | FLDW 8(%r20),%fr5L ; load float arg 1 |
| michael@0 | 78 | EXTRW,U,= %r28,29,1,%r22 |
| michael@0 | 79 | FLDW 4(%r20),%fr6L ; load float arg 2 |
| michael@0 | 80 | EXTRW,U,= %r28,28,1,%r22 |
| michael@0 | 81 | FLDW 0(%r20),%fr7L ; load float arg 3 |
| michael@0 | 82 | |
| michael@0 | 83 | LDW -36-framesz(%r3),%r26 ; load ptr to 'that' |
| michael@0 | 84 | LDW -40(%r30),%r25 ; load the rest of dispatch argument registers |
| michael@0 | 85 | LDW -44(%r30),%r24 |
| michael@0 | 86 | LDW -48(%r30),%r23 |
| michael@0 | 87 | |
| michael@0 | 88 | LDW -36-framesz(%r3),%r20 ; load vtable addr |
| michael@0 | 89 | LDW -40-framesz(%r3),%r28 ; load index |
| michael@0 | 90 | LDW 0(%r20),%r20 ; follow vtable |
| michael@0 | 91 | SH2ADDL %r28,%r20,%r28 ; add 4*index to vtable entry |
| michael@0 | 92 | LDW 0(%r28),%r22 ; load vtable entry |
| michael@0 | 93 | |
| michael@0 | 94 | .CALL ARGW0=GR,ARGW1=GR,ARGW2=GR,ARGW3=GR,RTNVAL=GR ;in=22-26;out=28; |
| michael@0 | 95 | BL $$dyncall,%r31 |
| michael@0 | 96 | COPY %r31,%r2 |
| michael@0 | 97 | |
| michael@0 | 98 | LDW -32(%r30),%r19 |
| michael@0 | 99 | COPY %r3,%r30 ; restore saved stack ptr |
| michael@0 | 100 | |
| michael@0 | 101 | LDW -148(%sp),%rp |
| michael@0 | 102 | LDWM -128(%sp),%r3 |
| michael@0 | 103 | BV,N (%rp) |
| michael@0 | 104 | NOP |
| michael@0 | 105 | .EXIT |
| michael@0 | 106 | .PROCEND ;in=23,24,25,26; |
| michael@0 | 107 | .SIZE NS_InvokeByIndex, .-NS_InvokeByIndex |
| michael@0 | 108 |
