2012-02-05 11:35:58 -05:00
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/****************************************************************
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* *
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* Copyright 2001, 2007 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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#include "mdef.h"
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#include "zstep.h"
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2024-07-19 11:43:27 -04:00
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#include <rtnhdr.h>
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2012-02-05 11:35:58 -05:00
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#include "stack_frame.h"
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#include "xfer_enum.h"
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#include "indir_enum.h"
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#include "op.h"
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#include "fix_xfer_entry.h"
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GBLREF xfer_entry_t xfer_table[];
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GBLREF stack_frame *frame_pointer;
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GBLDEF unsigned char *zstep_level;
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GBLREF mval zstep_action;
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GBLREF mval dollar_zstep;
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GBLREF bool neterr_pending;
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GBLREF int4 outofband;
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GBLREF int iott_write_error;
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IA64_ONLY(int function_type(char*);)
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void op_zstep(uint4 code, mval *action)
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{
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stack_frame *fp;
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int4 status;
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if (!action)
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zstep_action = dollar_zstep;
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else
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{ op_commarg(action,indir_linetail);
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op_unwind();
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zstep_action = *action;
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}
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switch(code)
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{
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case ZSTEP_INTO:
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if (!neterr_pending && 0 == outofband && 0 == iott_write_error)
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{
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FIX_XFER_ENTRY(xf_linefetch, op_zstepfetch);
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FIX_XFER_ENTRY(xf_linestart, op_zstepstart);
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FIX_XFER_ENTRY(xf_zbfetch, op_zstzbfetch);
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FIX_XFER_ENTRY(xf_zbstart, op_zstzbstart);
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}
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break;
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case ZSTEP_OVER:
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case ZSTEP_OUTOF:
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fp = frame_pointer;
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for (fp = frame_pointer; fp ; fp = fp->old_frame_pointer)
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{ if (fp->type & SFT_COUNT)
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{ break;
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}
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}
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zstep_level = (unsigned char *) fp;
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if (!neterr_pending && 0 == outofband && 0 == iott_write_error)
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{
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if (code == ZSTEP_OVER)
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{
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FIX_XFER_ENTRY(xf_linefetch, op_zst_fet_over);
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FIX_XFER_ENTRY(xf_linestart, op_zst_st_over);
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FIX_XFER_ENTRY(xf_zbfetch, op_zstzb_fet_over);
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FIX_XFER_ENTRY(xf_zbstart, op_zstzb_st_over);
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}
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else
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{
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FIX_XFER_ENTRY(xf_ret, opp_zstepret);
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FIX_XFER_ENTRY(xf_retarg, opp_zstepretarg);
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FIX_XFER_ENTRY(xf_linefetch, op_linefetch);
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FIX_XFER_ENTRY(xf_linestart, op_linestart);
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FIX_XFER_ENTRY(xf_zbfetch, op_zbfetch);
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FIX_XFER_ENTRY(xf_zbstart, op_zbstart);
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}
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}
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break;
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default:
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GTMASSERT;
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}
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}
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