[Buildroot] [PATCH] arch/arm: add support for thumb(1) mode
jacmet at uclibc.org
Thu Jul 18 22:32:16 UTC 2013
>>>>> "Gustavo" == Gustavo Zacarias <gustavo at zacarias.com.ar> writes:
Gustavo> On 07/18/2013 05:10 AM, Peter Korsgaard wrote:
>> FYI, I just did a test build (arm926/thumb1/internal uclibc), and the
>> build dies in NPTL when it runs out of registers. Without threads it
>> builds and seems to work.
Gustavo> I regularly build -mthumb (via CFLAGS) projects without issues for an
Gustavo> arm920t, but that doesn't force those flags for uclibc, just catched the
Gustavo> breakage after you fixed my patch (mine was a no-op, d'oh!)
Gustavo> Seems uclibc is broken for thumb builds, even with
Gustavo> COMPILE_IN_THUMB_MODE=y in its config (which the only thing it does is
Gustavo> add -mthumb to the compile flags).
Actually the uClibc breakage seems to only be in the NPTL stuff. A test
build without threads worked OK.
Bye, Peter Korsgaard
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