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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.c
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@@ -1,29 +1,20 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * intel_pt_insn_decoder.c: Intel Processor Trace support
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  * Copyright (c) 2013-2014, Intel Corporation.
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms and conditions of the GNU General Public License,
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- * version 2, as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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  */
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+#include <linux/kernel.h>
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 #include <stdio.h>
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 #include <string.h>
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 #include <endian.h>
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 #include <byteswap.h>
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+#include "../../../arch/x86/include/asm/insn.h"
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+
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+#include "../../../arch/x86/lib/inat.c"
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+#include "../../../arch/x86/lib/insn.c"
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 #include "event.h"
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-
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-#include "insn.h"
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-
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-#include "inat.c"
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-#include "insn.c"
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 #include "intel-pt-insn-decoder.h"
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 #include "dump-insn.h"
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@@ -180,6 +171,14 @@
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 	return 0;
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 }
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+int arch_is_branch(const unsigned char *buf, size_t len, int x86_64)
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+{
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+	struct intel_pt_insn in;
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+	if (intel_pt_get_insn(buf, len, x86_64, &in) < 0)
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+		return -1;
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+	return in.branch != INTEL_PT_BR_NO_BRANCH;
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+}
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+
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 const char *dump_insn(struct perf_insn *x, uint64_t ip __maybe_unused,
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 		      u8 *inbuf, int inlen, int *lenp)
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 {