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From: Tuomas Tynkkynen <tuomas@tuxera.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2 1/1] arm: print instructions pointed to by pc
Date: Sun, 13 May 2018 15:22:58 +0300	[thread overview]
Message-ID: <20180513152258.5b3bc5c3@duuni> (raw)
In-Reply-To: <20180510143830.6060-1-xypron.glpk@gmx.de>

Hi,

On Thu, 10 May 2018 16:38:30 +0200
Heinrich Schuchardt <xypron.glpk@gmx.de> wrote:

> If an exception occurs in a loaded image and the relocation offset is
> unknown, it is helful to know the instructions pointed to by the
> program counter. This patch adds the missing output.
> 
> A possible output is:
>     *pc: fb de f7 e7 1e ff 2f e1 01 00 50 e3 f0 4d 2d e9 01 80 a0 e1
> 
> The output can be disassembled with
>     xxd -pc -r - > a.out
>     $(CROSS_COMPILE)objdump -D -marm -b binary a.out
> 
> Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
> ---
> v2
> 	print bytes not halfwords

Note that Linux already comes with a scripts/decodecode tool where you paste the
output of an Oops and it disassembles the "Code: " line from the dump. So I'd
vote for importing scripts/decodecode from Linux and making U-Boot's output
compatible with Linux.

  reply	other threads:[~2018-05-13 12:22 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-10 14:38 [U-Boot] [PATCH v2 1/1] arm: print instructions pointed to by pc Heinrich Schuchardt
2018-05-13 12:22 ` Tuomas Tynkkynen [this message]
2018-05-13 14:45   ` Marek Vasut
2018-05-24  8:57     ` Alexander Graf
2018-05-24  9:06       ` Marek Vasut

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