Squashed 'third_party/elfutils/' content from commit 555e15e
Change-Id: I61cde98949e47e5c8c09c33260de17f30921be79
git-subtree-dir: third_party/elfutils
git-subtree-split: 555e15ebe8bf1eb33d00747173cfc80cc65648a4
diff --git a/tests/show-abbrev.c b/tests/show-abbrev.c
new file mode 100644
index 0000000..b0af029
--- /dev/null
+++ b/tests/show-abbrev.c
@@ -0,0 +1,131 @@
+/* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004, 2005 Red Hat, Inc.
+ This file is part of elfutils.
+ Written by Ulrich Drepper <drepper@redhat.com>, 1998.
+
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ elfutils is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+#include <fcntl.h>
+#include <inttypes.h>
+#include ELFUTILS_HEADER(dw)
+#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 || abbrev == DWARF_END_ABBREV)
+ /* 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;
+}