Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754865Ab0GJPKn (ORCPT ); Sat, 10 Jul 2010 11:10:43 -0400 Received: from arkanian.console-pimps.org ([212.110.184.194]:33841 "EHLO arkanian.console-pimps.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752773Ab0GJPKl (ORCPT ); Sat, 10 Jul 2010 11:10:41 -0400 From: Matt Fleming To: linux-kernel@vger.kernel.org Cc: Peter Zijlstra , Paul Mackerras , Ingo Molnar , Arnaldo Carvalho de Melo , Ian Munsie , Masami Hiramatsu Subject: [PATCH] perf: Add DWARF register lookup for SH Date: Sat, 10 Jul 2010 16:10:39 +0100 Message-Id: X-Mailer: git-send-email 1.6.4.rc0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2607 Lines: 91 Implement get_arch_regstr() for SH so that, given a DWARF register number, the corresponding symbolic name of that register can be looked up. 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; +} -- 1.6.4.rc0 -- 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/