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ldgetpd(3)
NAME
ldgetpd - Retrieves procedure descriptor given a procedure descriptor index
SYNOPSIS
#include <stdio.h>
#include <filehdr.h>
#include <sym.h>
#include <ldfcn.h>
long ldgetpd (ldptr, ipd, ppd )
LDFILE ldptr ;
long ipd ;
pPDR ipd ;
DESCRIPTION
The ldgetpd routine returns a SUCCESS or FAILURE depending on whether the
procedure descriptor with index ipd can be accessed. If it can be
accessed, the structure pointed to by ppd is filled with the contents of
the corresponding procedure descriptor. The isym, iline, and iopt fields
of the procedure descriptor are updated to be used in further LD routine
calls. The adr field is updated from the symbol referenced by the isym
field.
The PDR cannot be retrieved when:
· The procedure descriptor table cannot be found.
· The ipd offset into the procedure descriptor table is beyond the end
of the table.
· The file descriptor that the ipd offset falls into cannot be found.
Typically, ldgetpd is called while traversing the table that runs from 0 to
SYMHEADER(ldptr).ipdMax - 1.
The program must be loaded with the object file access routine library
libmld.a.
RELATED INFORMATION
ldclose(3), ldopen(3), ldtbseek(3), ldtbread(3), ldfcn(4).
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Index for Section 3 |
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Alphabetical listing for L |
|
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Top of page |
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