On 6/15/11 10:46 AM, Holger Kipp wrote:
Ah, ok.
Do we have a compiler switch to force stack alignment to 16-Byte-boundaries?
Otherwise I am really concerned that we might have similar wrong pieces of code
lurking unnoticed in other binaries as well :-/
My cvsup binary is:
# file /usr/local/bin/cvsup
/usr/local/bin/cvsup: ELF 64-bit LSB executable, x86-64, version 1 (FreeBSD),
dynamically linked (uses shared libs), for FreeBSD 9.0 (900029), stripped
Best regards,
Holger
(Accidentally replied directly to you, cc'ing list)
It's certainly possible, though GCC aligns the stack correctly, or else
nothing would work. CVSup is written in Modula 3. I checked the stack
alignment option for FBSD_AMD64, and it is sure enough set to 16. My
guess is somewhere in the native call interface, something's not being
done right.
I ran into a similar problem when porting the mlton compiler to Mac OS a
couple of years back.
--
Eric McCorkle
Computer Science Ph.D student,
University of Massachusetts
Research Intern, IBM Research
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