The Tor Browser / file comparison
comparison: xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_parisc_linux.s
xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_parisc_linux.s
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
replaced
| -1:000000000000 | 0:e508690e4f07 |
|---|---|
| 1 /* -*- Mode: asm; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- | |
| 2 * Version: MPL 1.1 | |
| 3 * | |
| 4 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 5 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 7 | |
| 8 .LEVEL 1.1 | |
| 9 .text | |
| 10 .align 4 | |
| 11 | |
| 12 framesz: | |
| 13 .equ 128 | |
| 14 | |
| 15 .globl NS_InvokeByIndex | |
| 16 .type NS_InvokeByIndex, @function | |
| 17 | |
| 18 | |
| 19 NS_InvokeByIndex: | |
| 20 .PROC | |
| 21 .CALLINFO FRAME=72, CALLER,SAVE_RP, SAVE_SP, ENTRY_GR=3 | |
| 22 .ENTRY | |
| 23 | |
| 24 ; frame marker takes 48 bytes, | |
| 25 ; register spill area takes 8 bytes, | |
| 26 ; local stack area takes 72 bytes result in 128 bytes total | |
| 27 | |
| 28 STW %rp,-20(%sp) | |
| 29 STW,MA %r3,128(%sp) | |
| 30 | |
| 31 LDO -framesz(%r30),%r28 | |
| 32 STW %r28,-4(%r30) ; save previous sp | |
| 33 STW %r19,-32(%r30) | |
| 34 | |
| 35 STW %r26,-36-framesz(%r30) ; save argument registers in | |
| 36 STW %r25,-40-framesz(%r30) ; in PREVIOUS frame | |
| 37 STW %r24,-44-framesz(%r30) ; | |
| 38 STW %r23,-48-framesz(%r30) ; | |
| 39 | |
| 40 .CALL ARGW0=GR,ARGW1=GR,ARGW2=GR ;in=24,25,26;out=28 | |
| 41 BL invoke_count_bytes,%r31 | |
| 42 COPY %r31,%r2 | |
| 43 | |
| 44 CMPIB,>= 0,%r28, .+76 | |
| 45 COPY %r30,%r3 ; copy stack ptr to saved stack ptr | |
| 46 ADD %r30,%r28,%r30 ; extend stack frame | |
| 47 LDW -4(%r3),%r28 ; move frame | |
| 48 STW %r28,-4(%r30) | |
| 49 LDW -8(%r3),%r28 | |
| 50 STW %r28,-8(%r30) | |
| 51 LDW -12(%r3),%r28 | |
| 52 STW %r28,-12(%r30) | |
| 53 LDW -16(%r3),%r28 | |
| 54 STW %r28,-16(%r30) | |
| 55 LDW -20(%r3),%r28 | |
| 56 STW %r28,-20(%r30) | |
| 57 LDW -24(%r3),%r28 | |
| 58 STW %r28,-24(%r30) | |
| 59 LDW -28(%r3),%r28 | |
| 60 STW %r28,-28(%r30) | |
| 61 LDW -32(%r3),%r28 | |
| 62 STW %r28,-32(%r30) | |
| 63 | |
| 64 LDO -40(%r30),%r26 ; load copy address | |
| 65 LDW -44-framesz(%r3),%r25 ; load rest of 2 arguments | |
| 66 LDW -48-framesz(%r3),%r24 ; | |
| 67 | |
| 68 LDW -32(%r30),%r19 ; shared lib call destroys r19; reload | |
| 69 .CALL ARGW0=GR,ARGW1=GR,ARGW2=GR ;in=24,25,26 | |
| 70 BL invoke_copy_to_stack,%r31 | |
| 71 COPY %r31,%r2 | |
| 72 | |
| 73 LDO -48(%r30),%r20 | |
| 74 EXTRW,U,= %r28,31,1,%r22 | |
| 75 FLDD 0(%r20),%fr7 ; load double arg 1 | |
| 76 EXTRW,U,= %r28,30,1,%r22 | |
| 77 FLDW 8(%r20),%fr5L ; load float arg 1 | |
| 78 EXTRW,U,= %r28,29,1,%r22 | |
| 79 FLDW 4(%r20),%fr6L ; load float arg 2 | |
| 80 EXTRW,U,= %r28,28,1,%r22 | |
| 81 FLDW 0(%r20),%fr7L ; load float arg 3 | |
| 82 | |
| 83 LDW -36-framesz(%r3),%r26 ; load ptr to 'that' | |
| 84 LDW -40(%r30),%r25 ; load the rest of dispatch argument registers | |
| 85 LDW -44(%r30),%r24 | |
| 86 LDW -48(%r30),%r23 | |
| 87 | |
| 88 LDW -36-framesz(%r3),%r20 ; load vtable addr | |
| 89 LDW -40-framesz(%r3),%r28 ; load index | |
| 90 LDW 0(%r20),%r20 ; follow vtable | |
| 91 SH2ADDL %r28,%r20,%r28 ; add 4*index to vtable entry | |
| 92 LDW 0(%r28),%r22 ; load vtable entry | |
| 93 | |
| 94 .CALL ARGW0=GR,ARGW1=GR,ARGW2=GR,ARGW3=GR,RTNVAL=GR ;in=22-26;out=28; | |
| 95 BL $$dyncall,%r31 | |
| 96 COPY %r31,%r2 | |
| 97 | |
| 98 LDW -32(%r30),%r19 | |
| 99 COPY %r3,%r30 ; restore saved stack ptr | |
| 100 | |
| 101 LDW -148(%sp),%rp | |
| 102 LDWM -128(%sp),%r3 | |
| 103 BV,N (%rp) | |
| 104 NOP | |
| 105 .EXIT | |
| 106 .PROCEND ;in=23,24,25,26; | |
| 107 .SIZE NS_InvokeByIndex, .-NS_InvokeByIndex | |
| 108 |
