From 74d4582f430a797564f92fbff0bd3a21945528b7 Mon Sep 17 00:00:00 2001 From: Max Filippov Date: Sat, 18 Jul 2015 11:30:11 +0300 Subject: [PATCH] perf tools xtensa: Add DWARF register names Signed-off-by: Max Filippov Cc: Chris Zankel Cc: Marc Gauthier Cc: Paul Mackerras Cc: Peter Zijlstra 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 --- tools/perf/arch/xtensa/Build | 1 + tools/perf/arch/xtensa/Makefile | 3 +++ tools/perf/arch/xtensa/util/Build | 1 + tools/perf/arch/xtensa/util/dwarf-regs.c | 25 ++++++++++++++++++++++++ 4 files changed, 30 insertions(+) create mode 100644 tools/perf/arch/xtensa/Build create mode 100644 tools/perf/arch/xtensa/Makefile create mode 100644 tools/perf/arch/xtensa/util/Build create mode 100644 tools/perf/arch/xtensa/util/dwarf-regs.c diff --git a/tools/perf/arch/xtensa/Build b/tools/perf/arch/xtensa/Build new file mode 100644 index 000000000000..54afe4a467e7 --- /dev/null +++ b/tools/perf/arch/xtensa/Build @@ -0,0 +1 @@ +libperf-y += util/ diff --git a/tools/perf/arch/xtensa/Makefile b/tools/perf/arch/xtensa/Makefile new file mode 100644 index 000000000000..7fbca175099e --- /dev/null +++ b/tools/perf/arch/xtensa/Makefile @@ -0,0 +1,3 @@ +ifndef NO_DWARF +PERF_HAVE_DWARF_REGS := 1 +endif diff --git a/tools/perf/arch/xtensa/util/Build b/tools/perf/arch/xtensa/util/Build new file mode 100644 index 000000000000..954e287bbb89 --- /dev/null +++ b/tools/perf/arch/xtensa/util/Build @@ -0,0 +1 @@ +libperf-$(CONFIG_DWARF) += dwarf-regs.o 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 000000000000..4dba76bfb4ce --- /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 +#include + +#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; +}