From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail137.messagelabs.com (mail137.messagelabs.com [216.82.249.19]) by kanga.kvack.org (Postfix) with ESMTP id B7C806B007E for ; Tue, 7 Jun 2011 09:05:15 -0400 (EDT) Received: from d23relay05.au.ibm.com (d23relay05.au.ibm.com [202.81.31.247]) by e23smtp02.au.ibm.com (8.14.4/8.13.1) with ESMTP id p57CxJmb032055 for ; Tue, 7 Jun 2011 22:59:19 +1000 Received: from d23av02.au.ibm.com (d23av02.au.ibm.com [9.190.235.138]) by d23relay05.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id p57D4M2V757868 for ; Tue, 7 Jun 2011 23:04:22 +1000 Received: from d23av02.au.ibm.com (loopback [127.0.0.1]) by d23av02.au.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id p57D5A9L029883 for ; Tue, 7 Jun 2011 23:05:11 +1000 From: Srikar Dronamraju Date: Tue, 07 Jun 2011 18:28:20 +0530 Message-Id: <20110607125820.28590.19850.sendpatchset@localhost6.localdomain6> In-Reply-To: <20110607125804.28590.92092.sendpatchset@localhost6.localdomain6> References: <20110607125804.28590.92092.sendpatchset@localhost6.localdomain6> Subject: [PATCH v4 3.0-rc2-tip 1/22] 1: X86 specific breakpoint definitions. Sender: owner-linux-mm@kvack.org List-ID: To: Peter Zijlstra , Ingo Molnar Cc: Steven Rostedt , Srikar Dronamraju , Linux-mm , Arnaldo Carvalho de Melo , Linus Torvalds , Andi Kleen , Hugh Dickins , Christoph Hellwig , Jonathan Corbet , Thomas Gleixner , Masami Hiramatsu , Oleg Nesterov , LKML , Jim Keniston , Roland McGrath , Ananth N Mavinakayanahalli , Andrew Morton Provides definitions for the breakpoint instruction and x86 specific uprobe info structure. Signed-off-by: Jim Keniston Signed-off-by: Srikar Dronamraju --- arch/x86/Kconfig | 3 +++ arch/x86/include/asm/uprobes.h | 40 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 43 insertions(+), 0 deletions(-) create mode 100644 arch/x86/include/asm/uprobes.h diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 30041d8..7c843e2 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -243,6 +243,9 @@ config ARCH_CPU_PROBE_RELEASE def_bool y depends on HOTPLUG_CPU +config ARCH_SUPPORTS_UPROBES + def_bool y + source "init/Kconfig" source "kernel/Kconfig.freezer" diff --git a/arch/x86/include/asm/uprobes.h b/arch/x86/include/asm/uprobes.h new file mode 100644 index 0000000..192ba4a --- /dev/null +++ b/arch/x86/include/asm/uprobes.h @@ -0,0 +1,40 @@ +#ifndef _ASM_UPROBES_H +#define _ASM_UPROBES_H +/* + * Userspace Probes (UProbes) for x86 + * + * 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. + * + * Copyright (C) IBM Corporation, 2008-2011 + * Authors: + * Srikar Dronamraju + * Jim Keniston + */ + +typedef u8 uprobe_opcode_t; +#define MAX_UINSN_BYTES 16 +#define UPROBES_XOL_SLOT_BYTES 128 /* to keep it cache aligned */ + +#define UPROBES_BKPT_INSN 0xcc +#define UPROBES_BKPT_INSN_SIZE 1 + +#ifdef CONFIG_X86_64 +struct uprobe_arch_info { + unsigned long rip_rela_target_address; +}; +#else +struct uprobe_arch_info {}; +#endif +#endif /* _ASM_UPROBES_H */ -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org