Blame SOURCES/gdb-rhbz1261564-aarch64-hw-watchpoint-test.patch

689258
From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
689258
From: Fedora GDB patches <invalid@email.com>
689258
Date: Fri, 27 Oct 2017 21:07:50 +0200
689258
Subject: gdb-rhbz1261564-aarch64-hw-watchpoint-test.patch
689258
689258
;; [aarch64] Fix hardware watchpoints (RH BZ 1261564).
689258
;;=fedoratest
689258
689258
diff --git a/gdb/testsuite/gdb.base/rhbz1261564-aarch64-watchpoint.c b/gdb/testsuite/gdb.base/rhbz1261564-aarch64-watchpoint.c
689258
new file mode 100644
689258
--- /dev/null
689258
+++ b/gdb/testsuite/gdb.base/rhbz1261564-aarch64-watchpoint.c
689258
@@ -0,0 +1,33 @@
689258
+/* This testcase is part of GDB, the GNU debugger.
689258
+
689258
+   Copyright 2016 Free Software Foundation, Inc.
689258
+
689258
+   This program is free software; you can redistribute it and/or modify
689258
+   it under the terms of the GNU General Public License as published by
689258
+   the Free Software Foundation; either version 3 of the License, or
689258
+   (at your option) any later version.
689258
+
689258
+   This program is distributed in the hope that it will be useful,
689258
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
689258
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
689258
+   GNU General Public License for more details.
689258
+
689258
+   You should have received a copy of the GNU General Public License
689258
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
689258
+
689258
+__attribute__((aligned(16))) struct
689258
+{
689258
+  int var0, var4, var8;
689258
+} aligned;
689258
+
689258
+int
689258
+main (void)
689258
+{
689258
+  aligned.var0 = 1;
689258
+  aligned.var4 = 2;
689258
+  aligned.var8 = 3;
689258
+
689258
+  aligned.var4 = aligned.var0;
689258
+
689258
+  return 0;
689258
+}
689258
diff --git a/gdb/testsuite/gdb.base/rhbz1261564-aarch64-watchpoint.exp b/gdb/testsuite/gdb.base/rhbz1261564-aarch64-watchpoint.exp
689258
new file mode 100644
689258
--- /dev/null
689258
+++ b/gdb/testsuite/gdb.base/rhbz1261564-aarch64-watchpoint.exp
689258
@@ -0,0 +1,53 @@
689258
+# Copyright (C) 2016 Free Software Foundation, Inc.
689258
+
689258
+# This program is free software; you can redistribute it and/or modify
689258
+# it under the terms of the GNU General Public License as published by
689258
+# the Free Software Foundation; either version 3 of the License, or
689258
+# (at your option) any later version.
689258
+#
689258
+# This program is distributed in the hope that it will be useful,
689258
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
689258
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
689258
+# GNU General Public License for more details.
689258
+#
689258
+# You should have received a copy of the GNU General Public License
689258
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
689258
+
689258
+if { [prepare_for_testing rhbz1261564-aarch64-watchpoint.exp "rhbz1261564-aarch64-watchpoint"] } {
689258
+    return -1
689258
+}
689258
+
689258
+if { ! [ runto main ] } then { return 0 }
689258
+
689258
+set test "rwatch aligned.var4"
689258
+if [istarget "s390*-*-*"] {
689258
+    gdb_test $test {Target does not support this type of hardware watchpoint\.}
689258
+    untested "s390* does not support hw read watchpoint" 
689258
+    return
689258
+}
689258
+gdb_test $test "Hardware read watchpoint \[0-9\]+: aligned.var4"
689258
+
689258
+proc checkvar { address } {
689258
+    global gdb_prompt
689258
+
689258
+    set test "p &aligned.var$address"
689258
+    gdb_test_multiple $test $test {
689258
+	-re " = \\(int \\*\\) 0x\[0-9a-f\]+$address <aligned(\\+\[0-9\]+)?>\r\n$gdb_prompt $" {
689258
+	    pass $test
689258
+	}
689258
+	-re "\r\n$gdb_prompt $" {
689258
+	    untested "$test (unexpected ELF layout)"
689258
+	    return 0
689258
+	}
689258
+    }
689258
+    return 1
689258
+}
689258
+if ![checkvar "0"] { return }
689258
+if ![checkvar "4"] { return }
689258
+if ![checkvar "8"] { return }
689258
+
689258
+# Assumes: PPC_PTRACE_GETHWDBGINFO::data_bp_alignment == 8
689258
+# 'lwz' does read only 4 bytes but the hw watchpoint is 8 bytes wide.
689258
+setup_xfail "powerpc*-*-*"
689258
+
689258
+gdb_continue_to_end