From: Martin Schwidefsky <schwidefsky@de.ibm.com>
To: ananth@in.ibm.com
Cc: Andi Kleen <ak@suse.de>, Christoph Hellwig <hch@infradead.org>,
linux-kernel@vger.kernel.org,
Prasanna S Panchamukhi <prasanna@in.ibm.com>,
Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>,
Jim Keniston <jkenisto@us.ibm.com>,
linux-arch@vger.kernel.org
Subject: Re: [PATCH 2/3] Kprobes: Define retval helper
Date: Wed, 09 Aug 2006 12:28:18 +0200 [thread overview]
Message-ID: <1155119298.4641.1.camel@localhost> (raw)
In-Reply-To: <20060809101948.GA1701@in.ibm.com>
On Wed, 2006-08-09 at 15:49 +0530, Ananth N Mavinakayanahalli wrote:
> Updated patch ...
>
> Add the "return_value" macro that just extracts the return value given
> the pt_regs. Useful in situations such as while using function-return
> probes.
return_value definition for s390 see below.
--
blue skies,
Martin.
Martin Schwidefsky
Linux for zSeries Development & Services
IBM Deutschland Entwicklung GmbH
"Reality continues to ruin my life." - Calvin.
---
diff -urpN linux-2.6.18-rc3/include/asm-s390/ptrace.h linux-2.6.18-s390/include/asm-s390/ptrace.h
--- linux-2.6.18-rc3/include/asm-s390/ptrace.h 2006-06-29 12:47:32.000000000 +0200
+++ linux-2.6.18-s390/include/asm-s390/ptrace.h 2006-08-09 12:25:23.000000000 +0200
@@ -472,6 +472,7 @@ struct user_regs_struct
#define user_mode(regs) (((regs)->psw.mask & PSW_MASK_PSTATE) != 0)
#define instruction_pointer(regs) ((regs)->psw.addr & PSW_ADDR_INSN)
+#define return_value(regs)((regs)->gprs[2])
#define profile_pc(regs) instruction_pointer(regs)
extern void show_regs(struct pt_regs * regs);
#endif
next prev parent reply other threads:[~2006-08-09 10:28 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-07 11:55 [PATCH 1/3] Kprobes: Make kprobe modules more portable Ananth N Mavinakayanahalli
2006-08-07 12:00 ` [PATCH 2/3] Kprobes: Define retval helper Ananth N Mavinakayanahalli
2006-08-07 12:04 ` [PATCH 3/3] Kprobes: Update Documentation/kprobes.txt Ananth N Mavinakayanahalli
2006-08-08 16:27 ` Christoph Hellwig
2006-08-09 9:48 ` Ananth N Mavinakayanahalli
2006-08-09 10:24 ` Ananth N Mavinakayanahalli
2006-08-08 16:25 ` [PATCH 2/3] Kprobes: Define retval helper Christoph Hellwig
2006-08-09 4:37 ` Andi Kleen
2006-08-09 9:43 ` Ananth N Mavinakayanahalli
2006-08-09 9:45 ` Christoph Hellwig
2006-08-09 9:55 ` Andi Kleen
2006-08-09 10:19 ` Ananth N Mavinakayanahalli
2006-08-09 10:28 ` Martin Schwidefsky [this message]
2006-08-09 13:16 ` David Howells
2006-08-09 15:20 ` Ananth N Mavinakayanahalli
2006-08-07 12:06 ` [PATCH 1/3] Kprobes: Make kprobe modules more portable Ananth N Mavinakayanahalli
2006-08-08 16:24 ` Christoph Hellwig
2006-08-08 16:34 ` Stephen Hemminger
2006-08-08 16:40 ` Christoph Hellwig
2006-08-08 17:28 ` Paulo Marques
2006-08-08 17:32 ` Christoph Hellwig
2006-08-09 9:51 ` Ananth N Mavinakayanahalli
2006-08-09 16:01 ` David Smith
2006-08-09 16:10 ` Christoph Hellwig
2006-08-09 16:18 ` Christoph Hellwig
2006-08-10 14:10 ` Keshavamurthy Anil S
2006-08-16 13:20 ` Christoph Hellwig
2006-08-11 8:53 ` Ananth N Mavinakayanahalli
2006-08-10 6:18 ` Ananth N Mavinakayanahalli
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