105 lines
3.4 KiB
Diff
105 lines
3.4 KiB
Diff
From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
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From: Fedora GDB patches <invalid@email.com>
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Date: Fri, 27 Oct 2017 21:07:50 +0200
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Subject: gdb-rhbz1261564-aarch64-hw-watchpoint-test.patch
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;; [aarch64] Fix hardware watchpoints (RH BZ 1261564).
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;;=fedoratest
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diff --git a/gdb/testsuite/gdb.base/rhbz1261564-aarch64-watchpoint.c b/gdb/testsuite/gdb.base/rhbz1261564-aarch64-watchpoint.c
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new file mode 100644
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--- /dev/null
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+++ b/gdb/testsuite/gdb.base/rhbz1261564-aarch64-watchpoint.c
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@@ -0,0 +1,33 @@
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+/* This testcase is part of GDB, the GNU debugger.
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+
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+ Copyright 2016 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 3 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, see <http://www.gnu.org/licenses/>. */
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+
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+__attribute__((aligned(16))) struct
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+{
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+ int var0, var4, var8;
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+} aligned;
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+
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+int
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+main (void)
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+{
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+ aligned.var0 = 1;
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+ aligned.var4 = 2;
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+ aligned.var8 = 3;
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+
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+ aligned.var4 = aligned.var0;
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+
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+ return 0;
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+}
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diff --git a/gdb/testsuite/gdb.base/rhbz1261564-aarch64-watchpoint.exp b/gdb/testsuite/gdb.base/rhbz1261564-aarch64-watchpoint.exp
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new file mode 100644
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--- /dev/null
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+++ b/gdb/testsuite/gdb.base/rhbz1261564-aarch64-watchpoint.exp
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@@ -0,0 +1,53 @@
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+# Copyright (C) 2016 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 3 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, see <http://www.gnu.org/licenses/>.
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+
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+if { [prepare_for_testing rhbz1261564-aarch64-watchpoint.exp "rhbz1261564-aarch64-watchpoint"] } {
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+ return -1
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+}
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+
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+if { ! [ runto main ] } then { return 0 }
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+
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+set test "rwatch aligned.var4"
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+if [istarget "s390*-*-*"] {
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+ gdb_test $test {Target does not support this type of hardware watchpoint\.}
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+ untested "s390* does not support hw read watchpoint"
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+ return
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+}
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+gdb_test $test "Hardware read watchpoint \[0-9\]+: aligned.var4"
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+
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+proc checkvar { address } {
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+ global gdb_prompt
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+
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+ set test "p &aligned.var$address"
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+ gdb_test_multiple $test $test {
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+ -re " = \\(int \\*\\) 0x\[0-9a-f\]+$address <aligned(\\+\[0-9\]+)?>\r\n$gdb_prompt $" {
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+ pass $test
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+ }
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+ -re "\r\n$gdb_prompt $" {
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+ untested "$test (unexpected ELF layout)"
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+ return 0
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+ }
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+ }
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+ return 1
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+}
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+if ![checkvar "0"] { return }
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+if ![checkvar "4"] { return }
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+if ![checkvar "8"] { return }
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+
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+# Assumes: PPC_PTRACE_GETHWDBGINFO::data_bp_alignment == 8
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+# 'lwz' does read only 4 bytes but the hw watchpoint is 8 bytes wide.
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+setup_xfail "powerpc*-*-*"
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+
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+gdb_continue_to_end
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