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authorPedro Alves <palves@redhat.com>2011-05-31 21:18:56 +0000
committerPedro Alves <palves@redhat.com>2011-05-31 21:18:56 +0000
commit0a5b1e09bf62fcbe776eb641640f802f64bb6169 (patch)
treedd65006627e5bfe52013d110020fb5255e17a3c7 /gdb/testsuite
parent74ce8de7cab5dd5a4e098f226235256b976b5165 (diff)
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2011-05-31 Pedro Alves <pedro@codesourcery.com>
gdb/gdbserver/ * linux-x86-low.c (i386_dr_low_get_addr): Fix off by one in assertion. * win32-i386-low.c (i386_dr_low_get_addr): Ditto. gdb/testsuite/ * gdb.arch/i386-dr3-watch.c: New file. * gdb.arch/i386-dr3-watch.exp: New file.
Diffstat (limited to 'gdb/testsuite')
-rw-r--r--gdb/testsuite/ChangeLog5
-rw-r--r--gdb/testsuite/gdb.arch/i386-dr3-watch.c43
-rw-r--r--gdb/testsuite/gdb.arch/i386-dr3-watch.exp49
3 files changed, 97 insertions, 0 deletions
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 4ba8c65..3d89273 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2011-05-31 Pedro Alves <pedro@codesourcery.com>
+
+ * gdb.arch/i386-dr3-watch.c: New file.
+ * gdb.arch/i386-dr3-watch.exp: New file.
+
2011-05-30 Yao Qi <yao@codesourcery.com>
* gdb.base/callfuncs.c (t_structs_fc): New.
diff --git a/gdb/testsuite/gdb.arch/i386-dr3-watch.c b/gdb/testsuite/gdb.arch/i386-dr3-watch.c
new file mode 100644
index 0000000..a851d8a
--- /dev/null
+++ b/gdb/testsuite/gdb.arch/i386-dr3-watch.c
@@ -0,0 +1,43 @@
+/* Copyright 2011 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 3 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, see <http://www.gnu.org/licenses/>. */
+
+int i1;
+char gap1[32];
+
+int i2;
+char gap2[32];
+
+int i3;
+char gap3[32];
+
+int i4;
+
+void
+trigger (void)
+{
+ i1 = 1;
+ i2 = 2;
+ i3 = 3;
+ i4 = 4;
+}
+
+int
+main ()
+{
+ trigger ();
+ return 0;
+}
diff --git a/gdb/testsuite/gdb.arch/i386-dr3-watch.exp b/gdb/testsuite/gdb.arch/i386-dr3-watch.exp
new file mode 100644
index 0000000..f560b01
--- /dev/null
+++ b/gdb/testsuite/gdb.arch/i386-dr3-watch.exp
@@ -0,0 +1,49 @@
+# Copyright 2011 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 3 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, see <http://www.gnu.org/licenses/>.
+
+# x86 and amd64 gdbserver had a bug where a watchpoint triggered by
+# the DR3 debug register would trip on a bogus assertion.
+
+# This test relies on being able to set 4 hardware watchpoints. Since
+# that is not a valid assumption across most targets, and we're
+# testing a x86 specific bug, skip everywhere else.
+if { ![istarget "i?86-*-*"] && ![istarget "x86_64-*-*"] } then {
+ return 0
+}
+
+set testfile "i386-dr3-watch"
+set srcfile ${testfile}.c
+
+if [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile} {debug $additional_flags}] {
+ untested "failed to compile ${testfile}"
+ return -1
+}
+
+if ![runto_main] then {
+ untested "could not run to main"
+ return -1
+}
+
+gdb_test_no_output "set breakpoint always-inserted on"
+
+gdb_test "watch i1" "Hardware watchpoint .*: i1"
+gdb_test "watch i2" "Hardware watchpoint .*: i2"
+gdb_test "watch i3" "Hardware watchpoint .*: i3"
+gdb_test "watch i4" "Hardware watchpoint .*: i4"
+
+gdb_test "c" "Hardware watchpoint.*: i1.*" "continue to i1 watchpoint"
+gdb_test "c" "Hardware watchpoint.*: i2.*" "continue to i2 watchpoint"
+gdb_test "c" "Hardware watchpoint.*: i3.*" "continue to i3 watchpoint"
+gdb_test "c" "Hardware watchpoint.*: i4.*" "continue to i4 watchpoint"