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Re: [Tinycc-devel] [ARM] struct_assign_test segfault

From: Daniel Glöckner
Subject: Re: [Tinycc-devel] [ARM] struct_assign_test segfault
Date: Tue, 17 May 2011 02:42:34 +0200
User-agent: Mutt/1.5.20 (2009-06-14)


On Mon, May 16, 2011 at 11:33:48PM +0200, Thomas Preud'homme wrote:
> do you have an idea why struct_assign_test segfault on arm?

I didn't try to -run the tests, but -c produced a "vstack leak?" error
in that function. I pushed a fix to mob but there is another bug that
I found while researching this bug: The program may generate an
unaligned exception when a function returns a structure of up to four
bytes aligned to less than four bytes. This is caused by me having used
a "str" instruction to write the structure in r0 to the temporary memory
reserved by unary().


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