зеркало из https://github.com/mozilla/gecko-dev.git
69 строки
2.1 KiB
ArmAsm
69 строки
2.1 KiB
ArmAsm
.LEVEL 1.1
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curframesz .EQU 128
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; SharedStub has stack size of 128 bytes
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lastframesz .EQU 64
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; the StubN C++ function has a small stack size of 64 bytes
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.SPACE $TEXT$,SORT=8
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.SUBSPA $CODE$,QUAD=0,ALIGN=4,ACCESS=0x2c,CODE_ONLY,SORT=24
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SharedStub
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.PROC
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.CALLINFO CALLER,FRAME=80,SAVE_RP,ARGS_SAVED
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.ENTRY
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STW %rp,-20(%sp)
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LDO 128(%sp),%sp
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STW %r19,-32(%r30)
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STW %r26,-36-curframesz(%r30) ; save arg0 in previous frame
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LDO -80(%r30),%r28
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FSTD,MA %fr5,8(%r28) ; save darg0
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FSTD,MA %fr7,8(%r28) ; save darg1
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FSTW,MA %fr4L,4(%r28) ; save farg0
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FSTW,MA %fr5L,4(%r28) ; save farg1
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FSTW,MA %fr6L,4(%r28) ; save farg2
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FSTW,MA %fr7L,4(%r28) ; save farg3
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; Former value of register 26 is already properly saved by StubN,
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; but register 25-23 are not because of the arguments mismatch
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STW %r25,-40-curframesz-lastframesz(%r30) ; save r25
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STW %r24,-44-curframesz-lastframesz(%r30) ; save r24
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STW %r23,-48-curframesz-lastframesz(%r30) ; save r23
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COPY %r26,%r25 ; method index is arg1
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LDW -36-curframesz-lastframesz(%r30),%r26 ; self is arg0
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LDO -40-curframesz-lastframesz(%r30),%r24 ; normal args is arg2
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LDO -80(%r30),%r23 ; floating args is arg3
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BL .+8,%r2
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ADDIL L'PrepareAndDispatch-$PIC_pcrel$0+4,%r2
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LDO R'PrepareAndDispatch-$PIC_pcrel$1+8(%r1),%r1
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$PIC_pcrel$0
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LDSID (%r1),%r31
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$PIC_pcrel$1
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MTSP %r31,%sr0
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.CALL ARGW0=GR,ARGW1=GR,ARGW2=GR,ARGW3=GR,RTNVAL=GR
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;in=23-26;out=28;
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BLE 0(%sr0,%r1)
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COPY %r31,%r2
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LDW -32(%r30),%r19
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LDW -148(%sp),%rp
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BVE (%rp)
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.EXIT
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LDO -128(%sp),%sp
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.PROCEND ;in=26;out=28;
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.ALIGN 8
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.SPACE $TEXT$
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.SUBSPA $CODE$
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.IMPORT PrepareAndDispatch,CODE
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.EXPORT SharedStub,ENTRY,PRIV_LEV=3,ARGW0=GR,RTNVAL=GR,LONG_RETURN
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.END
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