54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2013 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 "cmd_qlf.h"
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#include <rtnhdr.h>
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#include "op.h"
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#include "job_addr.h"
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#include "zbreak.h"
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error_def(ERR_JOBLABOFF);
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boolean_t job_addr(mstr *rtn, mstr *label, int4 offset, char **hdr, char **labaddr)
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{
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rhdtyp *rt_hdr;
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int4 *lp;
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mval rt;
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DCL_THREADGBL_ACCESS;
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SETUP_THREADGBL_ACCESS;
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if (NULL == (rt_hdr = find_rtn_hdr(rtn)))
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{
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rt.mvtype = MV_STR;
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rt.str = *rtn;
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op_zlink(&rt, NULL);
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assertpro(NULL != (rt_hdr = find_rtn_hdr(rtn)));
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}
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lp = NULL;
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if ((rt_hdr->compiler_qlf & CQ_LINE_ENTRY) || (0 == offset))
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/* Label offset with routine compiled with NOLINE_ENTRY should cause error. */
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lp = find_line_addr(rt_hdr, label, offset, NULL);
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if (!lp)
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return (FALSE);
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/* Set the pointer to address / offset for line number entry storage in lab_proxy. */
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USHBIN_ONLY((TREF(lab_proxy)).lnr_adr = lp;)
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/* On non-shared-binary, calculcate the offset to the corresponding lnr_tabent record by subtracting
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* the base address (routine header) from line number entry's address, and save the result in
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* lab_ln_ptr field of lab_tabent structure.
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*/
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NON_USHBIN_ONLY((TREF(lab_proxy)).lab_ln_ptr = ((int4)lp - (int4)rt_hdr));
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if (NULL != labaddr)
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*labaddr = (char *)LINE_NUMBER_ADDR(rt_hdr, lp);
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*hdr = (char *)rt_hdr;
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return (TRUE);
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}
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