2a21fb50ae
- Testcase of unwinding has now marked its unsolvable cases (for BZ
140532).
- Resolves: rhbz#209445
- Related: rhbz#140532
154 lines
5.0 KiB
Diff
154 lines
5.0 KiB
Diff
2007-01-13 Jan Kratochvil <jan.kratochvil@redhat.com>
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* gdb.base/bt-ppc.c, gdb.base/bt-ppc.exp: New files.
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diff -u -rupN gdb-6.5-ppc/gdb/testsuite/gdb.base/bt-ppc.c gdb-6.5/gdb/testsuite/gdb.base/bt-ppc.c
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--- gdb-6.5-ppc/gdb/testsuite/gdb.base/bt-ppc.c 1969-12-31 19:00:00.000000000 -0500
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+++ gdb-6.5/gdb/testsuite/gdb.base/bt-ppc.c 2007-01-12 21:34:55.000000000 -0500
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@@ -0,0 +1,41 @@
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+/* This testcase is part of GDB, the GNU debugger.
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+
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+ Copyright 2007 Free Software Foundation, Inc.
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+
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+ This program is free software; you can redistribute it and/or modify
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+ it under the terms of the GNU General Public License as published by
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+ the Free Software Foundation; either version 2 of the License, or
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+ (at your option) any later version.
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+
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+ This program is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ GNU General Public License for more details.
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+
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+ You should have received a copy of the GNU General Public License
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+ along with this program; if not, write to the Free Software
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+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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+
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+#include <stdlib.h>
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+
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+/* Force `-fpie' double jump bl->blrl. */
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+volatile int var;
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+
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+int func0 (void) __attribute__((__noinline__));
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+int func0 (void)
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+{
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+ abort ();
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+ return var;
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+}
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+
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+int func1 (void) __attribute__((__noinline__));
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+int func1 (void)
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+{
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+ return func0 () + var;
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+}
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+
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+int main (void)
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+{
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+ func1 ();
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+ return 0;
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+}
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diff -u -rupN gdb-6.5-ppc/gdb/testsuite/gdb.base/bt-ppc.exp gdb-6.5/gdb/testsuite/gdb.base/bt-ppc.exp
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--- gdb-6.5-ppc/gdb/testsuite/gdb.base/bt-ppc.exp 1969-12-31 19:00:00.000000000 -0500
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+++ gdb-6.5/gdb/testsuite/gdb.base/bt-ppc.exp 2007-01-12 21:27:25.000000000 -0500
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@@ -0,0 +1,99 @@
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+# Copyright 2006, 2007 Free Software Foundation, Inc.
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+
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+# This program is free software; you can redistribute it and/or modify
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+# it under the terms of the GNU General Public License as published by
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+# the Free Software Foundation; either version 2 of the License, or
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+# (at your option) any later version.
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+#
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+# This program is distributed in the hope that it will be useful,
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+# but WITHOUT ANY WARRANTY; without even the implied warranty of
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+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+# GNU General Public License for more details.
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+#
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+# You should have received a copy of the GNU General Public License
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+# along with this program; if not, write to the Free Software
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+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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+
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+# Test multiple unwinding fixes of PPC platform.
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+# As the tests are platform independent we can run it everywhere.
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+
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+if $tracelevel then {
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+ strace $tracelevel
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+}
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+
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+set prms_id 0
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+set bug_id 0
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+
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+# This test uses GCC-specific syntax.
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+if [get_compiler_info not-used] {
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+ return -1
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+}
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+
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+if {![test_compiler_info "gcc-*"]} {
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+ return 0
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+}
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+
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+proc do_test { opts addons } {
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+ global objdir srcdir subdir gdb_prompt
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+
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+ set testfile "bt-ppc"
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+ set srcfile ${testfile}.c
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+ set binfile ${objdir}/${subdir}/${testfile}
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+
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+ # `additional_flags' should be last as it eats arguments till eol.
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+ if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" ${binfile} executable [list $opts additional_flags=$addons]] != ""} {
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+ return -1
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+ }
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+
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+ gdb_exit
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+ gdb_start
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+ gdb_reinitialize_dir $srcdir/$subdir
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+ gdb_load ${binfile}
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+
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+ # We should stop in abort(3).
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+
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+ gdb_run_cmd
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+
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+ gdb_test_multiple {} "continue to abort()" {
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+ -re ".*Program received signal SIGABRT,.*$gdb_prompt $" {
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+ pass "continue to abort()"
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+ }
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+ }
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+
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+ # Check backtrace:
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+ # #3 0x0804835f in func0 ()
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+ # #4 0x0804836a in func1 ()
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+ # #5 0x0804838c in main ()
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+ # (gdb)
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+ # `\\.?' prefixes are needed for ppc64 without `debug' (another bug).
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+
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+ set show [concat $opts $addons]
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+ if [regexp {^-fno-asynchronous-unwind-tables (-fpie -pie )?-O2$} $show] {
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+ # We get correct unwind but with two excessive "??" entries
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+ # due to undetectable inserted alignment entry.
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+ # With -fa-u-t we have correct FDE, without -O2 we have frame pointer.
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+ # 1 0x0000003acb631980 in abort () from /lib64/libc.so.6
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+ # 2 0x0000000000400489 in func0 ()
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+ # 3 0x00000000004004d0 in ?? ()
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+ # 4 0x0000000000400499 in func1 ()
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+ # 5 0x00007fffc5442410 in ?? ()
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+ # 6 0x00000000004004b9 in main ()
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+ setup_xfail "x86_64-*-*"
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+ }
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+ gdb_test_multiple "bt" "Correct unwind for: $show" {
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+ -re "\r\n#\[0-9\]\[^\r\n\]* in \\.?func0 \\(\[^\r\n\]*\r\n#\[0-9\]\[^\r\n\]* in \\.?func1 \\(\[^\r\n\]*\r\n#\[0-9\]\[^\r\n\]* in \\.?main \\(\[^\r\n\]*\r\n$gdb_prompt $" {
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+ pass "Correct unwind for: $show"
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+ }
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+ }
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+}
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+
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+foreach eh_frame {{-fno-asynchronous-unwind-tables}
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+ {-fasynchronous-unwind-tables}} {
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+ foreach pie {{} {-fpie -pie}} {
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+ foreach optim {{} {-O2}} {
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+ foreach is_debug {{} {debug}} {
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+ do_test $is_debug [concat $eh_frame $pie $optim]
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+ }
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+ }
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+ }
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+}
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