98 lines
2.0 KiB
ArmAsm
98 lines
2.0 KiB
ArmAsm
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#################################################################
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# #
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# Copyright 2007, 2010 Fidelity Information Services, Inc #
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# #
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# This source code contains the intellectual property #
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# of its copyright holder(s), and is made available #
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# under a license. If you do not know the terms of #
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# the license, please stop and do not read further. #
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# #
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#################################################################
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# PAGE ,132
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.title op_extjmp.s
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# .386
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# .MODEL FLAT, C
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.include "g_msf.si"
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.include "linkage.si"
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.sbttl op_extjmp
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# PAGE +
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.DATA
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.extern ERR_GTMCHECK
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.extern ERR_LABELUNKNOWN
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.extern frame_pointer
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.text
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.extern auto_zlink
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.extern flush_jmp
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.extern rts_error
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# PUBLIC op_extjmp
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ENTRY op_extjmp
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putframe
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addq $8,REG_SP # burn return pc
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cmpq $0,REG64_ARG0
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je l2
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cmpq $0,REG64_ARG1
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je l4
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l1: #&(code_offset) for this label (usually & of linenumber table entry
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movq (REG64_ARG1),REG64_ACCUM
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#check if label has been replaced and error out if yes.
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cmpq $0,REG64_ACCUM
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je l4
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#Offset to label
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movslq 0(REG64_ACCUM),REG64_ACCUM
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#code base reg
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movq mrt_ptext_adr(REG64_ARG0),REG64_ARG1
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#transfer address: codebase reg + offset to label
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addq REG64_ARG1,REG64_ACCUM
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movq REG64_ACCUM,REG64_ARG2
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#linkage ptr(ctxt ptr)
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movq mrt_lnk_ptr(REG64_ARG0),REG64_ARG1
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call flush_jmp
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getframe
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ret
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l2: #point to "temp" arg auto_zlink can set with new labaddr
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subq $8,REG_SP
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movq REG_SP, REG64_ARG1
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movq frame_pointer(REG_IP),REG64_ACCUM
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movq msf_mpc_off(REG64_ACCUM),REG64_ARG0
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call auto_zlink
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cmpq $0,REG64_RET0
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je l3
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movq REG64_RET0,REG64_ARG0
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popq REG64_ARG1
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cmpq $0,REG64_ARG1
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jne l1
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jmp l4
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l3: movl ERR_GTMCHECK(REG_IP),REG32_ARG1
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movl $1,REG32_ARG0
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movb $0,REG8_ACCUM # variable length argument
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call rts_error
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getframe
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ret
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l4: movl ERR_LABELUNKNOWN(REG_IP),REG32_ARG1
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movl $1,REG32_ARG0
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movb $0,REG8_ACCUM # variable length argument
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call rts_error
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getframe
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ret
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# op_extjmp ENDP
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# END
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