1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_parisc_linux.s Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,73 @@ 1.4 +/* -*- Mode: asm; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- 1.5 + * Version: MPL 1.1 1.6 + * 1.7 + * This Source Code Form is subject to the terms of the Mozilla Public 1.8 + * License, v. 2.0. If a copy of the MPL was not distributed with this 1.9 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.10 + 1.11 + .LEVEL 1.1 1.12 + .TEXT 1.13 + .ALIGN 4 1.14 + 1.15 +curframesz: 1.16 + .EQU 128 1.17 + 1.18 + 1.19 +; SharedStub has stack size of 128 bytes 1.20 + 1.21 +lastframesz: 1.22 + .EQU 64 1.23 + 1.24 +; the StubN C++ function has a small stack size of 64 bytes 1.25 + 1.26 + 1.27 +.globl SharedStub 1.28 + .type SharedStub, @function 1.29 + 1.30 +SharedStub: 1.31 + .PROC 1.32 + .CALLINFO CALLER,FRAME=80,SAVE_RP 1.33 + 1.34 + .ENTRY 1.35 + STW %rp,-20(%sp) 1.36 + LDO 128(%sp),%sp 1.37 + 1.38 + STW %r19,-32(%r30) 1.39 + STW %r26,-36-curframesz(%r30) ; save arg0 in previous frame 1.40 + 1.41 + LDO -80(%r30),%r28 1.42 + FSTD,MA %fr5,8(%r28) ; save darg0 1.43 + FSTD,MA %fr7,8(%r28) ; save darg1 1.44 + FSTW,MA %fr4L,4(%r28) ; save farg0 1.45 + FSTW,MA %fr5L,4(%r28) ; save farg1 1.46 + FSTW,MA %fr6L,4(%r28) ; save farg2 1.47 + FSTW,MA %fr7L,4(%r28) ; save farg3 1.48 + 1.49 + ; Former value of register 26 is already properly saved by StubN, 1.50 + ; but register 25-23 are not because of the argument mismatch 1.51 + STW %r25,-40-curframesz-lastframesz(%r30) ; save r25 1.52 + STW %r24,-44-curframesz-lastframesz(%r30) ; save r24 1.53 + STW %r23,-48-curframesz-lastframesz(%r30) ; save r23 1.54 + COPY %r26,%r25 ; method index is arg1 1.55 + LDW -36-curframesz-lastframesz(%r30),%r26 ; self is arg0 1.56 + LDO -40-curframesz-lastframesz(%r30),%r24 ; normal args is arg2 1.57 + LDO -80(%r30),%r23 ; floating args is arg3 1.58 + 1.59 + .CALL ARGW0=GR,ARGW1=GR,ARGW2=GR,ARGW3=GR,RTNVAL=GR ;in=23-26;out=28; 1.60 + BL PrepareAndDispatch, %r31 1.61 + COPY %r31,%r2 1.62 + 1.63 + LDW -32(%r30),%r19 1.64 + 1.65 + LDW -148(%sp),%rp 1.66 + LDO -128(%sp),%sp 1.67 + 1.68 + 1.69 + BV,N (%rp) 1.70 + NOP 1.71 + NOP 1.72 + 1.73 + .EXIT 1.74 + .PROCEND ;in=26;out=28; 1.75 + 1.76 + .SIZE SharedStub, .-SharedStub