26 lines
1,018 B
ArmAsm
26 lines
1,018 B
ArmAsm
%default { "is_object":"0", "helper":"artGet32InstanceFromCode"}
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/*
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* General instance field get.
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*
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* for: iget, iget-object, iget-boolean, iget-byte, iget-char, iget-short
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*/
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.extern $helper
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EXPORT_PC
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lhu a0, 2(rPC) # a0 <- field ref CCCC
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srl a1, rINST, 12 # a1 <- B
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GET_VREG_U a1, a1 # a1 <- fp[B], the object pointer
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ld a2, OFF_FP_METHOD(rFP) # a2 <- referrer
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move a3, rSELF # a3 <- self
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jal $helper
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ld a3, THREAD_EXCEPTION_OFFSET(rSELF)
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ext a2, rINST, 8, 4 # a2 <- A
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PREFETCH_INST 2
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bnez a3, MterpPossibleException # bail out
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.if $is_object
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SET_VREG_OBJECT v0, a2 # fp[A] <- v0
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.else
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SET_VREG v0, a2 # fp[A] <- v0
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.endif
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ADVANCE 2
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GET_INST_OPCODE v0 # extract opcode from rINST
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GOTO_OPCODE v0 # jump to next instruction
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