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perf tools xtensa: Add DWARF register names

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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: Marc Gauthier <marc@cadence.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: linux-xtensa@linux-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@redhat.com>
This commit is contained in:
Max Filippov 2015-07-18 11:30:11 +03:00 committed by Arnaldo Carvalho de Melo
parent 40997d6cf9
commit 74d4582f43
4 changed files with 30 additions and 0 deletions
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1
tools/perf/arch/xtensa/Build Normal file
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libperf-y += util/

3
tools/perf/arch/xtensa/Makefile Normal file
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ifndef NO_DWARF
PERF_HAVE_DWARF_REGS := 1
endif

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tools/perf/arch/xtensa/util/Build Normal file
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libperf-$(CONFIG_DWARF) += dwarf-regs.o

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tools/perf/arch/xtensa/util/dwarf-regs.c Normal file
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/*
* 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;
}