- Test crash on a sw watchpoint condition getting out of the scope.

This commit is contained in:
Jan Kratochvil 2008-04-06 01:40:10 +00:00
parent e923707749
commit a9e8793603
2 changed files with 133 additions and 0 deletions

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@ -0,0 +1,128 @@
--- /dev/null 2008-04-03 00:39:30.714021604 +0200
+++ gdb-6.3/gdb/testsuite/gdb.base/watchpoint-cond-gone-stripped.c 2008-04-05 20:26:29.000000000 +0200
@@ -0,0 +1,23 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2008 Free Software Foundation, Inc.
+
+ 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. */
+
+void
+jumper (void (*jumpto) (void))
+{
+ (*jumpto) ();
+}
--- /dev/null 2008-04-03 00:39:30.714021604 +0200
+++ gdb-6.3/gdb/testsuite/gdb.base/watchpoint-cond-gone.c 2008-04-05 20:26:48.000000000 +0200
@@ -0,0 +1,37 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2008 Free Software Foundation, Inc.
+
+ 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. */
+
+extern void jumper (void (*jumpto) (void));
+
+void
+func ()
+{
+ int a, b, c;
+
+ a = b = c = 5;
+ a = b = c = 10; /* watchpoint-here */
+ c = a + b;
+}
+
+int
+main ()
+{
+ jumper (func);
+
+ return 0;
+}
--- /dev/null 2008-04-03 00:39:30.714021604 +0200
+++ gdb-6.3/gdb/testsuite/gdb.base/watchpoint-cond-gone.exp 2008-04-05 20:33:19.000000000 +0200
@@ -0,0 +1,59 @@
+# Copyright 2008 Free Software Foundation, Inc.
+
+# 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.
+
+if $tracelevel then {
+ strace $tracelevel
+}
+
+set testfile "watchpoint-cond-gone"
+set srcfile ${testfile}.c
+set srcfilestripped ${testfile}-stripped.c
+set objfilestripped ${objdir}/${subdir}/${testfile}-stripped.o
+set binfile ${objdir}/${subdir}/${testfile}
+
+# We need to generate a function without DWARF to crash older GDB.
+# Stepping into a dynamic function trampoline or stepping out of MAIN may work
+# but it is not a reliable FAIL case.
+
+if { [gdb_compile "${srcdir}/${subdir}/${srcfilestripped}" "${objfilestripped}" object {}] != "" } {
+ gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
+}
+
+if { [gdb_compile "${srcdir}/${subdir}/${srcfile} ${objfilestripped}" "${binfile}" executable {debug}] != "" } {
+ gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
+}
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+
+# Problem does not occur otherwise.
+gdb_test "set can-use-hw-watchpoints 0"
+
+runto_main
+gdb_breakpoint [gdb_get_line_number "watchpoint-here"]
+gdb_continue_to_breakpoint "Place to set the watchpoint"
+
+# The condition `c == 30' is the tested culprit.
+gdb_test "watch c if c == 30" "" "Place the watchpoint"
+
+# No functionality, just to check the state.
+gdb_test "backtrace"
+
+gdb_test "finish" \
+ "Watchpoint .* deleted because the program has left the block in.*which its expression is valid..*in jumper.*" \
+ "Catch the no longer valid watchpoint"

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@ -349,6 +349,9 @@ Patch309: gdb-6.3-mapping-zero-inode-test.patch
# Test a crash on `focus cmd', `focus prev' commands.
Patch311: gdb-6.3-focus-cmd-prev-test.patch
# Test crash on a sw watchpoint condition getting out of the scope.
Patch314: gdb-6.3-watchpoint-cond-gone-test.patch
BuildRequires: ncurses-devel glibc-devel gcc make gzip texinfo dejagnu gettext
BuildRequires: flex bison sharutils expat-devel
Requires: readline
@ -514,6 +517,7 @@ rm -f gdb/jv-exp.c gdb/m2-exp.c gdb/objc-exp.c gdb/p-exp.c
%patch306 -p1
%patch309 -p1
%patch311 -p1
%patch314 -p1
find -name "*.orig" | xargs rm -f
! find -name "*.rej" # Should not happen.
@ -759,6 +763,7 @@ fi
- New test of GCORE for shmid 0 shared memory mappings.
- New test of a crash on `focus cmd', `focus prev' commands.
- Fix a minor test race of the hardware watchpoints after the fork call.
- Test crash on a sw watchpoint condition getting out of the scope.
* Fri Mar 28 2008 Jan Kratochvil <jan.kratochvil@redhat.com> - 6.8-1
- Upgrade to the latest upstream final release gdb-6.8.