Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755403Ab0GLI5f (ORCPT ); Mon, 12 Jul 2010 04:57:35 -0400 Received: from mail9.hitachi.co.jp ([133.145.228.44]:58139 "EHLO mail9.hitachi.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752871Ab0GLI5e (ORCPT ); Mon, 12 Jul 2010 04:57:34 -0400 X-AuditID: b753bd60-a7602ba000007d15-c0-4c3ad8fb23f6 Message-ID: <4C3AD8F9.5070703@hitachi.com> Date: Mon, 12 Jul 2010 17:57:29 +0900 From: Masami Hiramatsu Organization: Systems Development Lab., Hitachi, Ltd., Japan User-Agent: Thunderbird 2.0.0.24 (Windows/20100228) MIME-Version: 1.0 To: Matt Fleming Cc: linux-kernel@vger.kernel.org, Peter Zijlstra , Paul Mackerras , Ingo Molnar , Arnaldo Carvalho de Melo , Ian Munsie , Masami Hiramatsu Subject: Re: [PATCH] perf: Add DWARF register lookup for SH References: In-Reply-To: Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: AAAAAA== X-FMFTCR: RANGEC Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2948 Lines: 98 Matt Fleming wrote: > Implement get_arch_regstr() for SH so that, given a DWARF register > number, the corresponding symbolic name of that register can be looked > up. KPROBE_EVENT has already been supported on the latest linux-sh, so this should be work on that. Acked-by: Masami Hiramatsu Thanks! > > Signed-off-by: Matt Fleming > --- > tools/perf/arch/sh/Makefile | 4 ++ > tools/perf/arch/sh/util/dwarf-regs.c | 55 ++++++++++++++++++++++++++++++++++ > 2 files changed, 59 insertions(+), 0 deletions(-) > create mode 100644 tools/perf/arch/sh/Makefile > create mode 100644 tools/perf/arch/sh/util/dwarf-regs.c > > diff --git a/tools/perf/arch/sh/Makefile b/tools/perf/arch/sh/Makefile > new file mode 100644 > index 0000000..15130b5 > --- /dev/null > +++ b/tools/perf/arch/sh/Makefile > @@ -0,0 +1,4 @@ > +ifndef NO_DWARF > +PERF_HAVE_DWARF_REGS := 1 > +LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/dwarf-regs.o > +endif > diff --git a/tools/perf/arch/sh/util/dwarf-regs.c b/tools/perf/arch/sh/util/dwarf-regs.c > new file mode 100644 > index 0000000..a11edb0 > --- /dev/null > +++ b/tools/perf/arch/sh/util/dwarf-regs.c > @@ -0,0 +1,55 @@ > +/* > + * Mapping of DWARF debug register numbers into register names. > + * > + * Copyright (C) 2010 Matt Fleming > + * > + * 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. > + * > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + * You should have received a copy of the GNU General Public License > + * along with this program; if not, write to the Free Software > + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. > + * > + */ > + > +#include > +#include > + > +/* > + * Generic dwarf analysis helpers > + */ > + > +#define SH_MAX_REGS 18 > +const char *sh_regs_table[SH_MAX_REGS] = { > + "r0", > + "r1", > + "r2", > + "r3", > + "r4", > + "r5", > + "r6", > + "r7", > + "r8", > + "r9", > + "r10", > + "r11", > + "r12", > + "r13", > + "r14", > + "r15", > + "pc", > + "pr", > +}; > + > +/* Return architecture dependent register string (for kprobe-tracer) */ > +const char *get_arch_regstr(unsigned int n) > +{ > + return (n <= SH_MAX_REGS) ? sh_regs_table[n] : NULL; > +} -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/