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perf tools: xtensa: add DWARF register names

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Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Max Filippov 2015-06-26 04:11:08 +03:00
parent 9bd46da45e
commit 18bc5b85aa
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/

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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

25
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;
}