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-rw-r--r--libdwarf/pro_error.c107
1 files changed, 107 insertions, 0 deletions
diff --git a/libdwarf/pro_error.c b/libdwarf/pro_error.c
new file mode 100644
index 0000000..d9a599b
--- /dev/null
+++ b/libdwarf/pro_error.c
@@ -0,0 +1,107 @@
+/*
+
+ Copyright (C) 2000,2002,2004 Silicon Graphics, Inc. All Rights Reserved.
+ Portions Copyright 2011 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.
+
+ Contact information: Silicon Graphics, Inc., 1500 Crittenden Lane,
+ Mountain View, CA 94043, or:
+
+ http://www.sgi.com
+
+ For further information regarding this notice, see:
+
+ http://oss.sgi.com/projects/GenInfo/NoticeExplan
+
+*/
+
+
+
+#include "config.h"
+#include "libdwarfdefs.h"
+#ifdef HAVE_ELF_H
+#include <elf.h>
+#endif
+
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <stdlib.h>
+#include "pro_incl.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_Word 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. */
+ /* The 'standard' typedef for Dwarf_Word is "unsigned long". */
+ 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_Sword) 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_Sword) errval;
+ dbg->de_errhand(errptr, dbg->de_errarg);
+ return;
+ }
+
+ abort();
+}