From: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
To: Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@elte.hu>
Cc: Steven Rostedt <rostedt@goodmis.org>,
Srikar Dronamraju <srikar@linux.vnet.ibm.com>,
Linux-mm <linux-mm@kvack.org>,
Arnaldo Carvalho de Melo <acme@infradead.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andi Kleen <andi@firstfloor.org>,
Christoph Hellwig <hch@infradead.org>,
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
Oleg Nesterov <oleg@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
SystemTap <systemtap@sources.redhat.com>,
Jim Keniston <jkenisto@linux.vnet.ibm.com>,
Roland McGrath <roland@hack.frob.com>,
Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
LKML <linux-kernel@vger.kernel.org>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Subject: [PATCH v2 2.6.38-rc8-tip 2/20] 2: X86 specific breakpoint definitions.
Date: Mon, 14 Mar 2011 13:40:00 -0000 [thread overview]
Message-ID: <20110314133423.27435.95841.sendpatchset@localhost6.localdomain6> (raw)
In-Reply-To: <20110314133403.27435.7901.sendpatchset@localhost6.localdomain6>
Provides definitions for the breakpoint instruction and x86 specific
uprobe info structure.
Signed-off-by: Jim Keniston <jkenisto@us.ibm.com>
Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
---
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 0256aed..610c5e5 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -237,6 +237,9 @@ 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..5026359
--- /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, 2008-2010
+ * 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 */
next prev parent reply other threads:[~2011-03-14 13:40 UTC|newest]
Thread overview: 100+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-14 13:40 [PATCH v2 2.6.38-rc8-tip 0/20] 0: Inode based uprobes Srikar Dronamraju
2011-03-14 13:40 ` [PATCH v2 2.6.38-rc8-tip 4/20] 4: uprobes: Adding and remove a uprobe in a rb tree Srikar Dronamraju
2011-03-15 13:40 ` Thomas Gleixner
2011-03-15 13:43 ` Steven Rostedt
2011-03-15 17:36 ` Srikar Dronamraju
2011-03-15 19:41 ` Thomas Gleixner
2011-03-15 19:46 ` Peter Zijlstra
2011-03-15 22:42 ` Eric Dumazet
2011-03-16 7:52 ` Peter Zijlstra
2011-03-14 13:40 ` [PATCH v2 2.6.38-rc8-tip 5/20] 5: Uprobes: register/unregister probes Srikar Dronamraju
2011-03-14 16:00 ` Steven Rostedt
2011-03-14 17:38 ` Srikar Dronamraju
2011-03-15 14:30 ` Thomas Gleixner
2011-03-15 17:21 ` Srikar Dronamraju
2011-03-15 17:47 ` Steven Rostedt
2011-03-15 17:51 ` Peter Zijlstra
2011-03-15 18:10 ` Srikar Dronamraju
2011-03-15 18:16 ` Peter Zijlstra
2011-03-18 19:00 ` Srikar Dronamraju
2011-03-15 18:17 ` Thomas Gleixner
2011-03-14 13:40 ` Srikar Dronamraju [this message]
2011-03-14 13:40 ` [PATCH v2 2.6.38-rc8-tip 3/20] 3: uprobes: Breakground page replacement Srikar Dronamraju
2011-03-14 15:29 ` Steven Rostedt
2011-03-14 15:39 ` Steven Rostedt
2011-03-14 17:30 ` Srikar Dronamraju
2011-03-14 18:21 ` Steven Rostedt
2011-03-14 18:22 ` Steven Rostedt
2011-03-14 16:59 ` Stephen Wilson
2011-03-14 17:36 ` Srikar Dronamraju
2011-03-15 13:23 ` Thomas Gleixner
2011-03-15 17:57 ` Srikar Dronamraju
2011-03-15 18:04 ` Thomas Gleixner
2011-03-15 18:13 ` Srikar Dronamraju
2011-03-14 13:40 ` [PATCH v2 2.6.38-rc8-tip 1/20] 1: mm: Move replace_page() to mm/memory.c Srikar Dronamraju
2011-03-14 14:16 ` Steven Rostedt
2011-03-14 17:08 ` Srikar Dronamraju
2011-03-14 17:14 ` Steven Rostedt
2011-03-14 17:35 ` Srikar Dronamraju
2011-03-14 13:41 ` [PATCH v2 2.6.38-rc8-tip 10/20] 10: uprobes: task specific information Srikar Dronamraju
2011-03-14 13:41 ` [PATCH v2 2.6.38-rc8-tip 9/20] 9: x86: architecture specific task information Srikar Dronamraju
2011-03-14 13:41 ` [PATCH v2 2.6.38-rc8-tip 6/20] 6: x86: analyze instruction and determine fixups Srikar Dronamraju
2011-03-15 14:38 ` Thomas Gleixner
2011-03-18 18:31 ` Srikar Dronamraju
2011-03-18 18:36 ` Roland McGrath
2011-03-18 18:56 ` Srikar Dronamraju
2011-03-18 19:10 ` Roland McGrath
2011-03-18 19:13 ` Srikar Dronamraju
2011-03-14 13:41 ` [PATCH v2 2.6.38-rc8-tip 8/20] 8: uprobes: mmap and fork hooks Srikar Dronamraju
2011-03-14 13:41 ` [PATCH v2 2.6.38-rc8-tip 7/20] 7: uprobes: store/restore original instruction Srikar Dronamraju
2011-03-14 18:10 ` Stephen Wilson
2011-03-15 9:29 ` Srikar Dronamraju
2011-03-15 13:48 ` Steven Rostedt
2011-03-15 16:17 ` Stephen Wilson
2011-03-15 16:21 ` Steven Rostedt
2011-03-15 16:24 ` Srikar Dronamraju
2011-03-15 17:58 ` Peter Zijlstra
2011-03-15 18:59 ` Balbir Singh
2011-03-15 19:28 ` Peter Zijlstra
2011-03-15 19:32 ` Steven Rostedt
2011-03-16 5:51 ` Balbir Singh
2011-03-16 17:40 ` Steven Rostedt
2011-03-15 14:43 ` Thomas Gleixner
2011-03-15 16:31 ` Srikar Dronamraju
2011-03-14 13:42 ` [PATCH v2 2.6.38-rc8-tip 14/20] 14: uprobes: Handing int3 and singlestep exception Srikar Dronamraju
2011-03-14 13:42 ` [PATCH v2 2.6.38-rc8-tip 13/20] 13: x86: x86 specific probe handling Srikar Dronamraju
2011-03-14 13:42 ` [PATCH v2 2.6.38-rc8-tip 15/20] 15: x86: uprobes exception notifier for x86 Srikar Dronamraju
2011-03-14 13:42 ` [PATCH v2 2.6.38-rc8-tip 12/20] 12: uprobes: get the breakpoint address Srikar Dronamraju
2011-03-14 13:42 ` [PATCH v2 2.6.38-rc8-tip 11/20] 11: uprobes: slot allocation for uprobes Srikar Dronamraju
2011-03-15 19:10 ` Jonathan Corbet
2011-03-16 5:04 ` Srikar Dronamraju
2011-03-15 20:32 ` Stephen Wilson
2011-03-16 4:57 ` Srikar Dronamraju
2011-03-14 13:42 ` [PATCH v2 2.6.38-rc8-tip 16/20] 16: uprobes: register a notifier " Srikar Dronamraju
2011-03-15 19:57 ` Stephen Wilson
2011-03-18 19:35 ` Srikar Dronamraju
2011-03-14 13:43 ` [PATCH v2 2.6.38-rc8-tip 18/20] 18: uprobes: commonly used filters Srikar Dronamraju
2011-03-14 13:43 ` [PATCH v2 2.6.38-rc8-tip 20/20] 20: tracing: uprobes trace_event interface Srikar Dronamraju
2011-03-14 13:43 ` [PATCH v2 2.6.38-rc8-tip 19/20] 19: tracing: Extract out common code for kprobes/uprobes traceevents Srikar Dronamraju
2011-03-14 13:43 ` [PATCH v2 2.6.38-rc8-tip 17/20] 17: uprobes: filter chain Srikar Dronamraju
2011-03-15 19:51 ` Stephen Wilson
2011-03-18 19:23 ` Srikar Dronamraju
2011-03-18 22:11 ` Stephen Wilson
2011-03-14 23:31 ` [PATCH v2 2.6.38-rc8-tip 0/20] 0: Inode based uprobes Andrew Morton
2011-03-14 23:48 ` Andi Kleen
2011-03-15 0:23 ` Thomas Gleixner
2011-03-15 18:06 ` Andi Kleen
2011-03-15 20:02 ` Thomas Gleixner
2011-03-15 20:01 ` Steven Rostedt
2011-03-15 20:25 ` Thomas Gleixner
2011-03-15 20:44 ` Steven Rostedt
2011-03-16 17:32 ` Tom Tromey
2011-03-16 17:44 ` Steven Rostedt
2011-03-16 17:27 ` Tom Tromey
2011-03-15 1:13 ` Frank Ch. Eigler
2011-03-15 1:36 ` Thomas Gleixner
2011-03-15 5:27 ` Srikar Dronamraju
2011-03-15 11:04 ` Thomas Gleixner
2011-03-15 11:44 ` Srikar Dronamraju
2011-03-15 2:03 ` Srikar Dronamraju
2011-03-15 2:52 ` Steven Rostedt
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