1 files changed, 99 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.arch/ppc64-isa207-atomic-inst.exp b/gdb/testsuite/gdb.arch/ppc64-isa207-atomic-inst.exp
new file mode 100644
index 0000000..da28291
--- /dev/null
+++ b/gdb/testsuite/gdb.arch/ppc64-isa207-atomic-inst.exp
@@ -0,0 +1,99 @@
+# Copyright 2017 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, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+# This file is part of the gdb testsuite.
+
+# Test single stepping through POWER8/ISA 2.07 atomic sequences beginning with
+# a lbarx/lharx/lqarx instruction and ending with a stbcx/sthcx/stqxc
+# instruction.  Note that although lbarx, lharx, stbcx and sthcx instructions
+# were introduced in ISA 2.06, they were implemented only in POWER8 (ISA 2.07).
+
+
+if {![istarget "powerpc*"] || ![is_lp64_target]} {
+    untested "skipping powerpc isa 207 atomic sequences test"
+    return
+}
+
+standard_testfile  .c .S
+
+if { [prepare_for_testing "failed to prepare" $testfile "$srcfile $srcfile2" \
+      {debug quiet}] } {
+    return -1
+}
+
+# The test proper.  DISPLACED is true if we should try with displaced
+# stepping.
+
+proc do_test { displaced } {
+    global decimal hex
+    global gdb_prompt inferior_exited_re srcfile srcfile2
+
+    if ![runto_main] then {
+	untested "could not run to main"
+	return -1
+    }
+
+    gdb_test_no_output "set displaced-stepping $displaced"
+
+    gdb_breakpoint "test_atomic_sequences" "Breakpoint $decimal at $hex" \
+	"set the breakpoint at the start of the test function"
+
+    gdb_test_multiple "continue" "Continue until lbarx/stbcx start breakpoint" {
+      -re "$inferior_exited_re with code 01.\[\r\n\]+$gdb_prompt $" {
+	unsupported "POWER8/ISA 2.07 atomic instructions not supported."
+	return -1
+      }
+      -re "Continuing.*Breakpoint $decimal.*$gdb_prompt $" {
+	pass "continue until test_atomic_sequences function"
+      }
+    }
+
+    set bp1 [gdb_get_line_number "lbarx" "$srcfile2"]
+    gdb_breakpoint "$bp1" "Breakpoint $decimal at $hex" \
+	"set the breakpoint at the start of the lbarx/stbcx sequence"
+
+    set bp2 [gdb_get_line_number "lharx" "$srcfile2"]
+    gdb_breakpoint "$bp2" "Breakpoint $decimal at $hex" \
+	"set the breakpoint at the start of the lharx/sthcx sequence"
+
+    set bp3 [gdb_get_line_number "lqarx" "$srcfile2"]
+    gdb_breakpoint "$bp3" "Breakpoint $decimal at $hex" \
+	"set the breakpoint at the start of the lqarx/stqcx sequence"
+
+    gdb_test continue "Continuing.*Breakpoint $decimal.*" \
+	"continue until lbarx/stbcx start breakpoint"
+
+    gdb_test nexti "bne.*1b" \
+	"step through the lbarx/stbcx sequence"
+
+    gdb_test continue "Continuing.*Breakpoint $decimal.*" \
+	"continue until lharx/sthcx start breakpoint"
+
+    gdb_test nexti "bne.*2b" \
+	"step through the lharx/sthcx sequence"
+
+    gdb_test continue "Continuing.*Breakpoint $decimal.*" \
+	"continue until ldqrx/stqcx start breakpoint"
+
+    gdb_test nexti "bne.*3b" \
+	"step through the lqarx/stqcx sequence"
+}
+
+foreach displaced { "off" "on" } {
+    with_test_prefix "displaced=$displaced" {
+	do_test $displaced
+    }
+}