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comparison: xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_pa32.s
xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_pa32.s
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
replaced
| -1:000000000000 | 0:32b2dd01668a |
|---|---|
| 1 .LEVEL 1.1 | |
| 2 framesz .EQU 128 | |
| 3 | |
| 4 ; XPTC_InvokeByIndex(nsISuppots* that, uint32_t methodIndex, | |
| 5 ; uint32_t paramCount, nsXPTCVariant* params); | |
| 6 | |
| 7 ; g++ need to compile everything with -fvtable-thunks ! | |
| 8 | |
| 9 .SPACE $TEXT$,SORT=8 | |
| 10 .SUBSPA $CODE$,QUAD=0,ALIGN=4,ACCESS=0x2c,CODE_ONLY,SORT=24 | |
| 11 XPTC_InvokeByIndex | |
| 12 .PROC | |
| 13 .CALLINFO CALLER,FRAME=72,ENTRY_GR=%r3,SAVE_RP,SAVE_SP,ARGS_SAVED,ALLOCA_FRAME | |
| 14 | |
| 15 ; frame marker takes 48 bytes, | |
| 16 ; register spill area takes 8 bytes, | |
| 17 ; local stack area takes 72 bytes result in 128 bytes total | |
| 18 | |
| 19 .ENTRY | |
| 20 STW %rp,-20(%sp) | |
| 21 STW,MA %r3,128(%sp) | |
| 22 | |
| 23 LDO -framesz(%r30),%r28 | |
| 24 STW %r28,-4(%r30) ; save previous sp | |
| 25 STW %r19,-32(%r30) | |
| 26 | |
| 27 STW %r26,-36-framesz(%r30) ; save argument registers in | |
| 28 STW %r25,-40-framesz(%r30) ; in PREVIOUS frame | |
| 29 STW %r24,-44-framesz(%r30) ; | |
| 30 STW %r23,-48-framesz(%r30) ; | |
| 31 | |
| 32 B,L .+8,%r2 | |
| 33 ADDIL L'invoke_count_bytes-$PIC_pcrel$1+4,%r2,%r1 | |
| 34 LDO R'invoke_count_bytes-$PIC_pcrel$2+8(%r1),%r1 | |
| 35 $PIC_pcrel$1 | |
| 36 LDSID (%r1),%r31 | |
| 37 $PIC_pcrel$2 | |
| 38 MTSP %r31,%sr0 | |
| 39 .CALL ARGW0=GR,ARGW1=GR,ARGW2=GR ;in=24,25,26;out=28 | |
| 40 BE,L 0(%sr0,%r1),%r31 | |
| 41 COPY %r31,%r2 | |
| 42 | |
| 43 CMPIB,>= 0,%r28, .+76 | |
| 44 COPY %r30,%r3 ; copy stack ptr to saved stack ptr | |
| 45 ADD %r30,%r28,%r30 ; extend stack frame | |
| 46 LDW -4(%r3),%r28 ; move frame | |
| 47 STW %r28,-4(%r30) | |
| 48 LDW -8(%r3),%r28 | |
| 49 STW %r28,-8(%r30) | |
| 50 LDW -12(%r3),%r28 | |
| 51 STW %r28,-12(%r30) | |
| 52 LDW -16(%r3),%r28 | |
| 53 STW %r28,-16(%r30) | |
| 54 LDW -20(%r3),%r28 | |
| 55 STW %r28,-20(%r30) | |
| 56 LDW -24(%r3),%r28 | |
| 57 STW %r28,-24(%r30) | |
| 58 LDW -28(%r3),%r28 | |
| 59 STW %r28,-28(%r30) | |
| 60 LDW -32(%r3),%r28 | |
| 61 STW %r28,-32(%r30) | |
| 62 | |
| 63 LDO -40(%r30),%r26 ; load copy address | |
| 64 LDW -44-framesz(%r3),%r25 ; load rest of 2 arguments | |
| 65 LDW -48-framesz(%r3),%r24 ; | |
| 66 | |
| 67 LDW -32(%r30),%r19 ; shared lib call destroys r19; reload | |
| 68 B,L .+8,%r2 | |
| 69 ADDIL L'invoke_copy_to_stack-$PIC_pcrel$3+4,%r2,%r1 | |
| 70 LDO R'invoke_copy_to_stack-$PIC_pcrel$4+8(%r1),%r1 | |
| 71 $PIC_pcrel$3 | |
| 72 LDSID (%r1),%r31 | |
| 73 $PIC_pcrel$4 | |
| 74 MTSP %r31,%sr0 | |
| 75 .CALL ARGW0=GR,ARGW1=GR,ARGW2=GR ;in=24,25,26 | |
| 76 BE,L 0(%sr0,%r1),%r31 | |
| 77 COPY %r31,%r2 | |
| 78 | |
| 79 LDO -48(%r30),%r20 | |
| 80 EXTRW,U,= %r28,31,1,%r22 | |
| 81 FLDD 0(%r20),%fr7 ; load double arg 1 | |
| 82 EXTRW,U,= %r28,30,1,%r22 | |
| 83 FLDW 8(%r20),%fr5L ; load float arg 1 | |
| 84 EXTRW,U,= %r28,29,1,%r22 | |
| 85 FLDW 4(%r20),%fr6L ; load float arg 2 | |
| 86 EXTRW,U,= %r28,28,1,%r22 | |
| 87 FLDW 0(%r20),%fr7L ; load float arg 3 | |
| 88 | |
| 89 LDW -36-framesz(%r3),%r26 ; load ptr to 'that' | |
| 90 LDW -40(%r30),%r25 ; load the rest of dispatch argument registers | |
| 91 LDW -44(%r30),%r24 | |
| 92 LDW -48(%r30),%r23 | |
| 93 | |
| 94 LDW -36-framesz(%r3),%r20 ; load vtable addr | |
| 95 LDW -40-framesz(%r3),%r28 ; load index | |
| 96 LDW 0(%r20),%r20 ; follow vtable | |
| 97 LDO 16(%r20),%r20 ; offset vtable by 16 bytes (g++: 8, aCC: 16) | |
| 98 SH2ADDL %r28,%r20,%r28 ; add 4*index to vtable entry | |
| 99 LDW 0(%r28),%r22 ; load vtable entry | |
| 100 | |
| 101 B,L .+8,%r2 | |
| 102 ADDIL L'$$dyncall_external-$PIC_pcrel$5+4,%r2,%r1 | |
| 103 LDO R'$$dyncall_external-$PIC_pcrel$6+8(%r1),%r1 | |
| 104 $PIC_pcrel$5 | |
| 105 LDSID (%r1),%r31 | |
| 106 $PIC_pcrel$6 | |
| 107 MTSP %r31,%sr0 | |
| 108 .CALL ARGW0=GR,ARGW1=GR,ARGW2=GR,ARGW3=GR,RTNVAL=GR | |
| 109 ;in=22-26;out=28; | |
| 110 BE,L 0(%sr0,%r1),%r31 | |
| 111 COPY %r31,%r2 | |
| 112 | |
| 113 LDW -32(%r30),%r19 | |
| 114 COPY %r3,%r30 ; restore saved stack ptr | |
| 115 | |
| 116 LDW -148(%sp),%rp | |
| 117 BVE (%rp) | |
| 118 .EXIT | |
| 119 LDW,MB -128(%sp),%r3 | |
| 120 | |
| 121 .PROCEND ;in=23,24,25,26; | |
| 122 | |
| 123 .ALIGN 8 | |
| 124 .SPACE $TEXT$ | |
| 125 .SUBSPA $CODE$ | |
| 126 .IMPORT $$dyncall_external,MILLICODE | |
| 127 .IMPORT invoke_count_bytes,CODE | |
| 128 .IMPORT invoke_copy_to_stack,CODE | |
| 129 .EXPORT XPTC_InvokeByIndex,ENTRY,PRIV_LEV=3,ARGW0=GR,ARGW1=GR,ARGW2=GR,ARGW3=GR,RTNVAL=GR,LONG_RETURN | |
| 130 .END | |
| 131 |
