How to get 16-byte stack alignment in leaf functions
Tue Sep 10 09:42:00 GMT 2013
On 09/10/2013 01:21 AM, Dave Allured - NOAA Affiliate wrote:
> Hello, I am trying to create a dynamic library for
> x86_64-apple-darwin12 (Mac OS) with gcc 4.8.1. My source code
> includes some simple functions that I think are being identified as
> leaf functions. This works fine when compiling to a static library.
> However, when compiling to dynamic library (-dynamiclib etc.), seg
> fault results immediately on call from one of these leaf-like
> functions to another. GDB tells me that the stack becomes misaligned
> in the calling function, and the actual seg fault happens within a
> dynamic loader stub function. The simplified message from GDB is:
What is the faulting instruction?
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