| To: | rostedt@goodmis.org |
|---|---|
| Subject: | Re: [PATCH -v4 4/9] tracing: add static function tracer support for MIPS |
| From: | Wu Zhangjin <wuzhangjin@gmail.com> |
| Date: | Fri, 23 Oct 2009 02:34:29 +0800 |
| Cc: | linux-kernel@vger.kernel.org, linux-mips@linux-mips.org, Thomas Gleixner <tglx@linutronix.de>, Ralf Baechle <ralf@linux-mips.org>, Nicholas Mc Guire <der.herr@hofr.at> |
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| In-reply-to: | <1256234361.20866.796.camel@gandalf.stny.rr.com> |
| Organization: | DSLab, Lanzhou University, China |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <028867b99ec532b84963a35e7d552becc783cafc.1256135456.git.wuzhangjin@gmail.com> <2f73eae542c47ac5bbb9f7280e6c0271d193e90d.1256135456.git.wuzhangjin@gmail.com> <3f0d3515f74a58f4cfd11e61b62a129fdc21e3a7.1256135456.git.wuzhangjin@gmail.com> <ea8aa927fbd184b54941e4c2ae0be8ea0b4f6b8a.1256135456.git.wuzhangjin@gmail.com> <1256138686.18347.3039.camel@gandalf.stny.rr.com> <1256233679.23653.7.camel@falcon> <1256234361.20866.796.camel@gandalf.stny.rr.com> |
| Reply-to: | wuzhangjin@gmail.com |
| Sender: | linux-mips-bounce@linux-mips.org |
On Thu, 2009-10-22 at 13:59 -0400, Steven Rostedt wrote: > On Fri, 2009-10-23 at 01:47 +0800, Wu Zhangjin wrote: > > On Wed, 2009-10-21 at 11:24 -0400, Steven Rostedt wrote: > > > > Is t0 and t1 safe for mcount to use? Remember, mcount does not follow > > > the dynamics of C function ABI. > > > > So, perhaps we can use the saved registers(a0,a1...) instead. > > I don't know. I was just asking. I just used a0,a1,a2 instead of t0,t1,t2, we are safe to use them for they have been saved/restored. Thanks! |
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