134 lines
4.5 KiB
Diff
134 lines
4.5 KiB
Diff
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=216711
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FIXME: This workaround should be dropped and
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glibc/sysdeps/unix/sysv/linux/x86_64/clone.S should get CFI for the child
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instead.
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2006-12-17 Jan Kratochvil <jan.kratochvil@redhat.com>
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* gdb/amd64-linux-tdep.c (linux_clone_code): New variable.
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(LINUX_CLONE_LEN): New definition.
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(amd64_linux_clone_running, amd64_linux_outermost_frame): New function.
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(amd64_linux_init_abi): Initialize `outermost_frame_p'.
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* gdb/i386-tdep.c (i386_gdbarch_init): Likewise.
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* gdb/i386-tdep.h (gdbarch_tdep): Add `outermost_frame_p' member.
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* gdb/amd64-tdep.c (amd64_frame_this_id): Call `outermost_frame_p'.
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2006-12-17 Jan Kratochvil <jan.kratochvil@redhat.com>
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* gdb.threads/bt-clone-stop.exp, gdb.threads/bt-clone-stop.c:
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New file.
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2007-10-16 Jan Kratochvil <jan.kratochvil@redhat.com>
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Port to GDB-6.7.
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--- /dev/null 1970-01-01 00:00:00.000000000 +0000
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+++ gdb-6.8.50.20090802/gdb/testsuite/gdb.threads/bt-clone-stop.c 2009-08-03 15:50:08.000000000 +0200
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@@ -0,0 +1,39 @@
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+/* This testcase is part of GDB, the GNU debugger.
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+
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+ Copyright 2006 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., 51 Franklin Street, Fifth Floor, Boston,
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+ MA 02110-1301, USA. */
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+
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+
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+#include <pthread.h>
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+#include <unistd.h>
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+#include <assert.h>
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+
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+
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+void *threader (void *arg)
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+{
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+ assert (0);
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+ return NULL;
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+}
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+
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+int main (void)
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+{
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+ pthread_t t1;
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+
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+ pthread_create (&t1, NULL, threader, (void *) NULL);
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+ for (;;)
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+ pause();
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+}
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Index: gdb-6.8.50.20090802/gdb/testsuite/gdb.threads/bt-clone-stop.exp
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===================================================================
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--- /dev/null 1970-01-01 00:00:00.000000000 +0000
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+++ gdb-6.8.50.20090802/gdb/testsuite/gdb.threads/bt-clone-stop.exp 2009-08-03 15:50:08.000000000 +0200
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@@ -0,0 +1,61 @@
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+# Copyright 2006 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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+# Backtraced `clone' must not have `PC == 0' as its previous frame.
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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 testfile bt-clone-stop
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+set srcfile ${testfile}.c
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+set binfile ${objdir}/${subdir}/${testfile}
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+if { [gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
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+ untested "Couldn't compile test program"
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+ return -1
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+}
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+
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+# Get things started.
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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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+# threader: threader.c:8: threader: Assertion `0' failed.
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+# Program received signal SIGABRT, Aborted.
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+
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+gdb_test "run" \
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+ "Program received signal SIGABRT.*" \
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+ "run"
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+
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+# Former gdb unwind (the first function is `clone'):
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+# #5 0x0000003421ecd62d in ?? () from /lib64/libc.so.6
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+# #6 0x0000000000000000 in ?? ()
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+# (gdb)
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+# Tested `amd64_linux_outermost_frame' functionality should omit the line `#6'.
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+#
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+# Two `-re' cases below must be in this order (1st is a subset of the 2nd one).
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+# Unhandled case below should not happen and it is fortunately handled by
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+# `amd64_linux_outermost_frame' as FAIL (and result `0x0 entry output invalid').
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+gdb_test_multiple "bt" "0x0 entry output invalid" {
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+ -re "in threader \\(.*\n#\[0-9\]* *0x0* in .*$gdb_prompt $" {
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+ fail "0x0 entry found"
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+ }
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+ -re "in threader \\(.*$gdb_prompt $" {
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+ pass "0x0 entry not found"
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+ }
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+}
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