linux-kernel - Re: [RFC 00/15] perf: Add backtrace post dwarf unwind

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Message-ID: <20120330072507.GA16322@erda.amd.com>
Date:	Fri, 30 Mar 2012 09:25:08 +0200
From:	Robert Richter <robert.richter@....com>
To:	Stephane Eranian <eranian@...gle.com>
CC:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Jiri Olsa <jolsa@...hat.com>, <acme@...hat.com>,
	<mingo@...e.hu>, <paulus@...ba.org>, <cjashfor@...ux.vnet.ibm.com>,
	<fweisbec@...il.com>, <gorcunov@...nvz.org>, <tzanussi@...il.com>,
	<mhiramat@...hat.com>, <rostedt@...dmis.org>, <fche@...hat.com>,
	<linux-kernel@...r.kernel.org>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Subject: Re: [RFC 00/15] perf: Add backtrace post dwarf unwind

On 29.03.12 17:52:50, Stephane Eranian wrote:
> Unless I am mistaken, the x86_64 calling convention passes the first 6
> integer arguments in registers.

This is documented here:

 http://www.x86-64.org/documentation/abi.pdf
 3.2.3 Parameter Passing

-Robert

-- 
Advanced Micro Devices, Inc.
Operating System Research Center

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