linux-kernel - [tip:perf/core] perf tools xtensa: Add DWARF register names

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Date:	Fri, 7 Aug 2015 00:22:18 -0700
From:	tip-bot for Max Filippov <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	mingo@...nel.org, paulus@...ba.org, tglx@...utronix.de,
	linux-kernel@...r.kernel.org, chris@...kel.net, jcmvbkbc@...il.com,
	acme@...hat.com, a.p.zijlstra@...llo.nl, marc@...ence.com,
	hpa@...or.com
Subject: [tip:perf/core] perf tools xtensa: Add DWARF register names

Commit-ID:  74d4582f430a797564f92fbff0bd3a21945528b7
Gitweb:     http://git.kernel.org/tip/74d4582f430a797564f92fbff0bd3a21945528b7
Author:     Max Filippov <jcmvbkbc@...il.com>
AuthorDate: Sat, 18 Jul 2015 11:30:11 +0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Thu, 6 Aug 2015 16:45:05 -0300

perf tools xtensa: Add DWARF register names

Signed-off-by: Max Filippov <jcmvbkbc@...il.com>
Cc: Chris Zankel <chris@...kel.net>
Cc: Marc Gauthier <marc@...ence.com>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: linux-xtensa@...ux-xtensa.org
Link: http://lkml.kernel.org/r/1437208216-15729-9-git-send-email-jcmvbkbc@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/arch/{powerpc => xtensa}/Build |  0
 tools/perf/arch/{arm => xtensa}/Makefile  |  0
 tools/perf/arch/{sh => xtensa}/util/Build |  0
 tools/perf/arch/xtensa/util/dwarf-regs.c  | 25 +++++++++++++++++++++++++
 4 files changed, 25 insertions(+)

diff --git a/tools/perf/arch/powerpc/Build b/tools/perf/arch/xtensa/Build
similarity index 100%
copy from tools/perf/arch/powerpc/Build
copy to tools/perf/arch/xtensa/Build
diff --git a/tools/perf/arch/arm/Makefile b/tools/perf/arch/xtensa/Makefile
similarity index 100%
copy from tools/perf/arch/arm/Makefile
copy to tools/perf/arch/xtensa/Makefile
diff --git a/tools/perf/arch/sh/util/Build b/tools/perf/arch/xtensa/util/Build
similarity index 100%
copy from tools/perf/arch/sh/util/Build
copy to tools/perf/arch/xtensa/util/Build
diff --git a/tools/perf/arch/xtensa/util/dwarf-regs.c b/tools/perf/arch/xtensa/util/dwarf-regs.c
new file mode 100644
index 0000000..4dba76b
--- /dev/null
+++ b/tools/perf/arch/xtensa/util/dwarf-regs.c
@@ -0,0 +1,25 @@
+/*
+ * Mapping of DWARF debug register numbers into register names.
+ *
+ * Copyright (c) 2015 Cadence Design Systems 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
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <stddef.h>
+#include <dwarf-regs.h>
+
+#define XTENSA_MAX_REGS 16
+
+const char *xtensa_regs_table[XTENSA_MAX_REGS] = {
+	"a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7",
+	"a8", "a9", "a10", "a11", "a12", "a13", "a14", "a15",
+};
+
+const char *get_arch_regstr(unsigned int n)
+{
+	return n < XTENSA_MAX_REGS ? xtensa_regs_table[n] : NULL;
+}
--
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