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- Fix gdb.base/gcore-shmid0.exp to be unresolved on recent kernels.

This commit is contained in:
Jan Kratochvil 2008-05-03 20:41:55 +00:00
parent 70c7344648
commit 1f8808d842
2 changed files with 118 additions and 98 deletions
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211
gdb-6.3-mapping-zero-inode-test.patch
View File

@ -1,91 +1,6 @@
--- /dev/null 2007-10-25 16:04:06.860116064 -0400
+++ gdb-6.3/gdb/testsuite/gdb.base/gcore-shmid0.c 2007-10-27 14:49:59.000000000 -0400
@@ -0,0 +1,82 @@
+/* Copyright 2007 Free Software Foundation, Inc.
+
+ This file is part of GDB.
+
+ This program 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 2 of the License, or (at
+ your option) any later version.
+
+ This program 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, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/*
+ * Test GDB's handling of gcore for mapping with a name but zero inode.
+ */
+
+#include <sys/ipc.h>
+#include <sys/shm.h>
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <assert.h>
+
+/* We need a backtrace through the stack. */
+
+static void
+initialized (void)
+{
+}
+
+int
+main (void)
+{
+ int sid;
+ unsigned int *addr = (void *) -1L;
+ int try;
+
+ /* The generated SID will cycle with an increment of 32768, try until it
+ * wraps to 0. */
+
+ for (try = 0; addr == (void *) -1L; try++)
+ {
+ assert (try < 0x10000);
+
+ sid = shmget ((key_t) rand (), 0x1000, IPC_CREAT | IPC_EXCL | 0777);
+ if (sid == -1)
+ {
+ printf ("shmget (%d, 0x1000, IPC_CREAT): errno %d\n", 0, errno);
+ exit (1);
+ }
+
+ /* Use SID only if it is 0, retry it otherwise. */
+
+ if (sid == 0)
+ {
+ addr = shmat (sid, NULL, SHM_RND);
+ if (addr == (void *) -1L)
+ {
+ printf ("shmat (%d, NULL, SHM_RND): errno %d\n", sid,
+ errno);
+ exit (1);
+ }
+ }
+ if (shmctl (sid, IPC_RMID, NULL) != 0)
+ {
+ printf ("shmctl (%d, IPC_RMID, NULL): errno %d\n", sid, errno);
+ exit (1);
+ }
+ }
+
+ initialized ();
+
+ return 0;
+}
--- /dev/null 2007-10-25 16:04:06.860116064 -0400
+++ gdb-6.3/gdb/testsuite/gdb.base/gcore-shmid0.exp 2007-10-27 14:50:40.000000000 -0400
@@ -0,0 +1,116 @@
--- /dev/null 2008-05-02 23:36:22.370004160 +0200
+++ gdb-6.8/gdb/testsuite/gdb.base/gcore-shmid0.exp 2008-05-03 22:36:56.000000000 +0200
@@ -0,0 +1,120 @@
+# Copyright 2007 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
@ -107,13 +22,6 @@
+
+# Test GDB's handling of gcore for mapping with a name but zero inode.
+
+if $tracelevel then {
+ strace $tracelevel
+}
+
+set prms_id 0
+set bug_id 0
+
+set testfile "gcore-shmid0"
+set srcfile ${testfile}.c
+set binfile ${objdir}/${subdir}/${testfile}
@ -150,12 +58,23 @@
+}
+
+if { ! [ runto_main ] } then {
+ untested gcore-buffer-overflow.exp
+ untested gcore-shmid0.exp
+ return -1
+}
+
+gdb_breakpoint "initialized"
+gdb_continue_to_breakpoint "initialized"
+gdb_breakpoint "unresolved"
+
+set test "Continue to initialized."
+gdb_test_multiple "continue" $test {
+ -re "Breakpoint .*, initialized .* at .*\r\n$gdb_prompt $" {
+ pass $test
+ }
+ -re "Breakpoint .*, unresolved .* at .*\r\n$gdb_prompt $" {
+ unsupported $test
+ return -1
+ }
+}
+
+set escapedfilename [string_to_regexp ${objdir}/${subdir}/gcore-shmid0.test]
+
@ -202,3 +121,101 @@
+ fail $test
+ }
+}
--- /dev/null 2008-05-02 23:36:22.370004160 +0200
+++ gdb-6.8/gdb/testsuite/gdb.base/gcore-shmid0.c 2008-05-03 22:39:10.000000000 +0200
@@ -0,0 +1,95 @@
+/* Copyright 2007 Free Software Foundation, Inc.
+
+ This file is part of GDB.
+
+ This program 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 2 of the License, or (at
+ your option) any later version.
+
+ This program 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, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/*
+ * Test GDB's handling of gcore for mapping with a name but zero inode.
+ */
+
+#include <sys/ipc.h>
+#include <sys/shm.h>
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <assert.h>
+
+/* We need a backtrace through the stack. */
+
+static void
+initialized (void)
+{
+}
+
+static void
+unresolved (void)
+{
+}
+
+int
+main (void)
+{
+ int sid;
+ unsigned int *addr = (void *) -1L;
+ int try;
+
+ /* The generated SID will cycle with an increment of 32768, try until it
+ * wraps to 0. */
+
+ for (try = 0; addr == (void *) -1L; try++)
+ {
+ /* At least kernel-2.6.25-8.fc9.x86_64 just never returns the value 0 by
+ shmget(2). */
+ if (try > 0x10000)
+ {
+ printf ("Problem no longer reproducible on this kernel (try %d)\n",
+ try);
+ unresolved ();
+ exit (1);
+ }
+
+ sid = shmget ((key_t) rand (), 0x1000, IPC_CREAT | IPC_EXCL | 0777);
+ if (sid == -1)
+ {
+ printf ("shmget (%d, 0x1000, IPC_CREAT): errno %d\n", 0, errno);
+ exit (1);
+ }
+
+ /* Use SID only if it is 0, retry it otherwise. */
+
+ if (sid == 0)
+ {
+ addr = shmat (sid, NULL, SHM_RND);
+ if (addr == (void *) -1L)
+ {
+ printf ("shmat (%d, NULL, SHM_RND): errno %d\n", sid,
+ errno);
+ exit (1);
+ }
+ }
+ if (shmctl (sid, IPC_RMID, NULL) != 0)
+ {
+ printf ("shmctl (%d, IPC_RMID, NULL): errno %d\n", sid, errno);
+ exit (1);
+ }
+ }
+
+ initialized ();
+
+ return 0;
+}

5
gdb.spec
View File

@ -13,7 +13,7 @@ Version: 6.8
# The release always contains a leading reserved number, start it at 1.
# `upstream' is not a part of `name' to stay fully rpm dependencies compatible for the testing.
Release: 5%{?_with_upstream:.upstream}%{?dist}
Release: 5cvspost%{?_with_upstream:.upstream}%{?dist}
License: GPL
Group: Development/Debuggers
@ -764,6 +764,9 @@ fi
%{_mandir}/*/gdbserver.1*
%changelog
* Sat May 3 2008 Jan Kratochvil <jan.kratochvil@redhat.com> - 6.8-5cvspost
- Fix gdb.base/gcore-shmid0.exp to be unresolved on recent kernels.
* Sun Apr 27 2008 Jan Kratochvil <jan.kratochvil@redhat.com> - 6.8-5
- Remove the kernel VDSO workaround (`no loadable ...') (kernel BZ 312011).