[Buildroot] Analysis of build failures

Thomas Petazzoni thomas.petazzoni at free-electrons.com
Mon Nov 11 10:43:07 UTC 2013

Dear Will Newton,

On Mon, 11 Nov 2013 10:25:27 +0000, Will Newton wrote:

> Yes, Thumb-2. Only those crazy microcontroller guys care about Thumb-1. ;-)
> ARM ARM A8.8.203 is the relevant page, Thumb-2 cannot store pc/r15
> directly. It should be possible to use a temporary to achieve the same
> effect but it would need thorough testing.

So I guess we need to disable valgrind on Thumb-2, or make it build
with ARM instructions even on Thumb-2 builds. Or bump Valgrind and see
if the new version is fixed for Thumb-2.

Best regards,

Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering

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