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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-opcodes-clflushopt-test.patch
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;; Test clflushopt instruction decode (for RH BZ 1262471).
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;;=fedoratest
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diff --git a/gdb/testsuite/gdb.arch/amd64-clflushopt.S b/gdb/testsuite/gdb.arch/amd64-clflushopt.S
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new file mode 100644
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--- /dev/null
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+++ b/gdb/testsuite/gdb.arch/amd64-clflushopt.S
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@@ -0,0 +1,19 @@
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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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+ This file is part of the gdb testsuite. */
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+
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+_start: .globl _start
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+ clflushopt (%edi)
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diff --git a/gdb/testsuite/gdb.arch/amd64-clflushopt.exp b/gdb/testsuite/gdb.arch/amd64-clflushopt.exp
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new file mode 100644
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--- /dev/null
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+++ b/gdb/testsuite/gdb.arch/amd64-clflushopt.exp
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@@ -0,0 +1,25 @@
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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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+if { ![istarget "x86_64-*-*"] && ![istarget "i?86-*-*"] } then {
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+ verbose "Skipping amd64 clflushopt test."
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+ return
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+}
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+
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+if [prepare_for_testing amd64-clflushopt.exp amd64-clflushopt amd64-clflushopt.S [list debug "additional_flags=-nostdlib"]] {
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+ return -1
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+}
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+
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+gdb_test "disas _start" "Dump of assembler code for function _start:\r\n *0x\[0-9a-f\]+ <\[+\]0>:\tclflushopt \\(%edi\\)\r\nEnd of assembler dump\\." "clflushopt"
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