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-rw-r--r--tests/show-abbrev.c127
1 files changed, 127 insertions, 0 deletions
diff --git a/tests/show-abbrev.c b/tests/show-abbrev.c
new file mode 100644
index 00000000..7017932f
--- /dev/null
+++ b/tests/show-abbrev.c
@@ -0,0 +1,127 @@
+/* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 1998.
+
+ This program is Open Source software; you can redistribute it and/or
+ modify it under the terms of the Open Software License version 1.0 as
+ published by the Open Source Initiative.
+
+ You should have received a copy of the Open Software License along
+ with this program; if not, you may obtain a copy of the Open Software
+ License version 1.0 from http://www.opensource.org/licenses/osl.php or
+ by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
+ 3001 King Ranch Road, Ukiah, CA 95482. */
+
+#include <config.h>
+
+#include <fcntl.h>
+#include <inttypes.h>
+#include <libdw.h>
+#include <stdio.h>
+#include <unistd.h>
+
+
+int
+main (int argc, char *argv[])
+{
+ int cnt;
+
+ for (cnt = 1; cnt < argc; ++cnt)
+ {
+ int fd = open (argv[cnt], O_RDONLY);
+ Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ);
+ if (dbg == NULL)
+ {
+ printf ("%s not usable: %s\n", argv[cnt], dwarf_errmsg (-1));
+ close (fd);
+ continue;
+ }
+
+ Dwarf_Off cuoff = 0;
+ Dwarf_Off old_cuoff = 0;
+ size_t hsize;
+ while (dwarf_nextcu (dbg, cuoff, &cuoff, &hsize, NULL, NULL, NULL) == 0)
+ {
+ /* Get the DIE for the CU. */
+ Dwarf_Die die;
+ if (dwarf_offdie (dbg, old_cuoff + hsize, &die) == NULL)
+ /* Something went wrong. */
+ break;
+
+ Dwarf_Off offset = 0;
+
+ while (1)
+ {
+ size_t length;
+ Dwarf_Abbrev *abbrev = dwarf_getabbrev (&die, offset, &length);
+ if (abbrev == NULL)
+ /* End of the list. */
+ break;
+
+ unsigned tag = dwarf_getabbrevtag (abbrev);
+ if (tag == 0)
+ {
+ printf ("dwarf_getabbrevtag at offset %llu returned error: %s\n",
+ (unsigned long long int) offset,
+ dwarf_errmsg (-1));
+ break;
+ }
+
+ unsigned code = dwarf_getabbrevcode (abbrev);
+ if (code == 0)
+ {
+ printf ("dwarf_getabbrevcode at offset %llu returned error: %s\n",
+ (unsigned long long int) offset,
+ dwarf_errmsg (-1));
+ break;
+ }
+
+ int children = dwarf_abbrevhaschildren (abbrev);
+ if (children < 0)
+ {
+ printf ("dwarf_abbrevhaschildren at offset %llu returned error: %s\n",
+ (unsigned long long int) offset,
+ dwarf_errmsg (-1));
+ break;
+ }
+
+ printf ("abbrev[%llu]: code = %u, tag = %u, children = %d\n",
+ (unsigned long long int) offset, code, tag, children);
+
+ size_t attrcnt;
+ if (dwarf_getattrcnt (abbrev, &attrcnt) != 0)
+ {
+ printf ("dwarf_getattrcnt at offset %llu returned error: %s\n",
+ (unsigned long long int) offset,
+ dwarf_errmsg (-1));
+ break;
+ }
+
+ unsigned int attr_num;
+ unsigned int attr_form;
+ Dwarf_Off aboffset;
+ size_t j;
+ for (j = 0; j < attrcnt; ++j)
+ if (dwarf_getabbrevattr (abbrev, j, &attr_num, &attr_form,
+ &aboffset))
+ printf ("dwarf_getabbrevattr for abbrev[%llu] and index %zu failed\n",
+ (unsigned long long int) offset, j);
+ else
+ printf ("abbrev[%llu]: attr[%zu]: code = %u, form = %u, offset = %" PRIu64 "\n",
+ (unsigned long long int) offset, j, attr_num,
+ attr_form, (uint64_t) aboffset);
+
+ offset += length;
+ }
+
+ old_cuoff = cuoff;
+ }
+
+ if (dwarf_end (dbg) != 0)
+ printf ("dwarf_end failed for %s: %s\n", argv[cnt],
+ dwarf_errmsg (-1));
+
+ close (fd);
+ }
+
+ return 0;
+}