| To: | Ralf Baechle <ralf@linux-mips.org> |
|---|---|
| Subject: | Re: how to get a process backtrace from kernel gdb? |
| From: | Fuxin Zhang <fxzhang@ict.ac.cn> |
| Date: | Wed, 22 Mar 2006 19:40:38 +0800 |
| Cc: | Srinivas Kommu <kommu@hotmail.com>, linux-mips@linux-mips.org |
| In-reply-to: | <20060322113203.GA4544@linux-mips.org> |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <4420940B.9030605@hotmail.com> <20060322105026.GA3129@linux-mips.org> <442130DA.8060407@ict.ac.cn> <20060322113203.GA4544@linux-mips.org> |
| Sender: | linux-mips-bounce@linux-mips.org |
| User-agent: | Thunderbird 1.5 (Windows/20051201) |
> > a) Analyze the code with a simple frame unwinder along the lines of the > get_wchan implementation. Simple but possibly fragile as compilers > continue to improve. > b) Bite the bullet and use the DWARD 2 frame unwind info and code. More > complicated but will be a solid and correct solution albeit larger so > not acceptable for small embedded devices. > > I fear we may have to do both, 2) as the prefered solution and 1) as the > fallback solution. OK, thanks. I will have a look at IA64's implementation and port it if possible. > > Ralf > > > |
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