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/*
Copyright (C) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
Portions Copyright 2011-2020 David Anderson. All Rights Reserved.
This program is free software; you can redistribute it
and/or modify it under the terms of version 2.1 of the
GNU Lesser General Public License as published by the Free
Software Foundation.
This program is distributed in the hope that it would be
useful, but WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.
Further, this software is distributed without any warranty
that it is free of the rightful claim of any third person
regarding infringement or the like. Any license provided
herein, whether implied or otherwise, applies only to this
software file. Patent licenses, if any, provided herein
do not apply to combinations of this program with other
software, or any other product whatsoever.
You should have received a copy of the GNU Lesser General
Public License along with this program; if not, write the
Free Software Foundation, Inc., 51 Franklin Street - Fifth
Floor, Boston MA 02110-1301, USA.
*/
#include "config.h"
#include "libdwarfdefs.h"
#include <stdio.h>
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif /* HAVE_SYS_STAT_H */
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h> /* open(), off_t, size_t, ssize_t */
#endif /* HAVE_SYS_TYPES_H */
#ifdef HAVE_STDLIB_H
#include <stdlib.h> /* for exit(), C89 malloc */
#endif /* HAVE_STDLIB_H */
#include "pro_incl.h"
#include <stddef.h>
#include "dwarf.h"
#include "libdwarf.h"
#include "pro_opaque.h"
#include "pro_error.h"
#include "pro_alloc.h"
extern char *_dwarf_errmsgs[];
/*
This function performs error handling as described in the
libdwarf consumer document section 3. Dbg is the Dwarf_P_debug
structure being processed. Error is a pointer to the pointer
to the error descriptor that will be returned. Errval is an
error code listed in dwarf_error.h.
The error number may be retrieved from the Dwarf_Error
by calling dwarf_errno().
The error string implied by the error number may be retrieved
from the Dwarf_Error by calling dwarf_errmsg().
*/
void
_dwarf_p_error(Dwarf_P_Debug dbg,
Dwarf_Error * error, Dwarf_Unsigned errval)
{
Dwarf_Error errptr;
if (errval > DW_DLE_LAST) {
/* We do not expect to ever see such an error number,
DW_DLE_LO_USER is not used. */
fprintf(stderr,"ERROR VALUE: %lu - %s\n",
(unsigned long) errval, "this error value is unknown to libdwarf.");
}
/* Allow NULL dbg on entry, since sometimes that can happen and we
want to report the upper-level error, not this one. */
if (error != NULL) {
errptr = (Dwarf_Error)
_dwarf_p_get_alloc(dbg, sizeof(struct Dwarf_Error_s));
if (errptr == NULL) {
fprintf(stderr,
"Could not allocate Dwarf_Error structure\n");
abort();
}
errptr->er_errval = (Dwarf_Signed) errval;
*error = errptr;
return;
}
if (dbg != NULL && dbg->de_errhand != NULL) {
errptr = (Dwarf_Error)
_dwarf_p_get_alloc(dbg, sizeof(struct Dwarf_Error_s));
if (errptr == NULL) {
fprintf(stderr,
"Could not allocate Dwarf_Error structure\n");
abort();
}
errptr->er_errval = (Dwarf_Signed) errval;
dbg->de_errhand(errptr, dbg->de_errarg);
return;
}
abort();
}
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