1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_parisc_linux.s Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,108 @@
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 +framesz:
1.16 + .equ 128
1.17 +
1.18 +.globl NS_InvokeByIndex
1.19 + .type NS_InvokeByIndex, @function
1.20 +
1.21 +
1.22 +NS_InvokeByIndex:
1.23 + .PROC
1.24 + .CALLINFO FRAME=72, CALLER,SAVE_RP, SAVE_SP, ENTRY_GR=3
1.25 + .ENTRY
1.26 +
1.27 +; frame marker takes 48 bytes,
1.28 +; register spill area takes 8 bytes,
1.29 +; local stack area takes 72 bytes result in 128 bytes total
1.30 +
1.31 + STW %rp,-20(%sp)
1.32 + STW,MA %r3,128(%sp)
1.33 +
1.34 + LDO -framesz(%r30),%r28
1.35 + STW %r28,-4(%r30) ; save previous sp
1.36 + STW %r19,-32(%r30)
1.37 +
1.38 + STW %r26,-36-framesz(%r30) ; save argument registers in
1.39 + STW %r25,-40-framesz(%r30) ; in PREVIOUS frame
1.40 + STW %r24,-44-framesz(%r30) ;
1.41 + STW %r23,-48-framesz(%r30) ;
1.42 +
1.43 + .CALL ARGW0=GR,ARGW1=GR,ARGW2=GR ;in=24,25,26;out=28
1.44 + BL invoke_count_bytes,%r31
1.45 + COPY %r31,%r2
1.46 +
1.47 + CMPIB,>= 0,%r28, .+76
1.48 + COPY %r30,%r3 ; copy stack ptr to saved stack ptr
1.49 + ADD %r30,%r28,%r30 ; extend stack frame
1.50 + LDW -4(%r3),%r28 ; move frame
1.51 + STW %r28,-4(%r30)
1.52 + LDW -8(%r3),%r28
1.53 + STW %r28,-8(%r30)
1.54 + LDW -12(%r3),%r28
1.55 + STW %r28,-12(%r30)
1.56 + LDW -16(%r3),%r28
1.57 + STW %r28,-16(%r30)
1.58 + LDW -20(%r3),%r28
1.59 + STW %r28,-20(%r30)
1.60 + LDW -24(%r3),%r28
1.61 + STW %r28,-24(%r30)
1.62 + LDW -28(%r3),%r28
1.63 + STW %r28,-28(%r30)
1.64 + LDW -32(%r3),%r28
1.65 + STW %r28,-32(%r30)
1.66 +
1.67 + LDO -40(%r30),%r26 ; load copy address
1.68 + LDW -44-framesz(%r3),%r25 ; load rest of 2 arguments
1.69 + LDW -48-framesz(%r3),%r24 ;
1.70 +
1.71 + LDW -32(%r30),%r19 ; shared lib call destroys r19; reload
1.72 + .CALL ARGW0=GR,ARGW1=GR,ARGW2=GR ;in=24,25,26
1.73 + BL invoke_copy_to_stack,%r31
1.74 + COPY %r31,%r2
1.75 +
1.76 + LDO -48(%r30),%r20
1.77 + EXTRW,U,= %r28,31,1,%r22
1.78 + FLDD 0(%r20),%fr7 ; load double arg 1
1.79 + EXTRW,U,= %r28,30,1,%r22
1.80 + FLDW 8(%r20),%fr5L ; load float arg 1
1.81 + EXTRW,U,= %r28,29,1,%r22
1.82 + FLDW 4(%r20),%fr6L ; load float arg 2
1.83 + EXTRW,U,= %r28,28,1,%r22
1.84 + FLDW 0(%r20),%fr7L ; load float arg 3
1.85 +
1.86 + LDW -36-framesz(%r3),%r26 ; load ptr to 'that'
1.87 + LDW -40(%r30),%r25 ; load the rest of dispatch argument registers
1.88 + LDW -44(%r30),%r24
1.89 + LDW -48(%r30),%r23
1.90 +
1.91 + LDW -36-framesz(%r3),%r20 ; load vtable addr
1.92 + LDW -40-framesz(%r3),%r28 ; load index
1.93 + LDW 0(%r20),%r20 ; follow vtable
1.94 + SH2ADDL %r28,%r20,%r28 ; add 4*index to vtable entry
1.95 + LDW 0(%r28),%r22 ; load vtable entry
1.96 +
1.97 + .CALL ARGW0=GR,ARGW1=GR,ARGW2=GR,ARGW3=GR,RTNVAL=GR ;in=22-26;out=28;
1.98 + BL $$dyncall,%r31
1.99 + COPY %r31,%r2
1.100 +
1.101 + LDW -32(%r30),%r19
1.102 + COPY %r3,%r30 ; restore saved stack ptr
1.103 +
1.104 + LDW -148(%sp),%rp
1.105 + LDWM -128(%sp),%r3
1.106 + BV,N (%rp)
1.107 + NOP
1.108 + .EXIT
1.109 + .PROCEND ;in=23,24,25,26;
1.110 + .SIZE NS_InvokeByIndex, .-NS_InvokeByIndex
1.111 +
