Date: Mon, 21 Feb 2011 10:36:39 -0800 From: Yuri <yuri@rawbw.com> To: freebsd-hackers@freebsd.org Subject: FreeBSD ABI? Message-ID: <4D62B0B7.1060604@rawbw.com>
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Where is it documented?
Are there differences with the linux ABI?
Particularly I am interested in stack alignment requirement. For example
i386 Solaris, Linux and MacOS have 16 bit stack alignment for procedure
calls. This is reflected in LLVM sources:
if (isTargetDarwin() || isTargetLinux() || isTargetSolaris() || Is64Bit)
stackAlignment = 16;
But FreeBSD is excluded there. Is this a bug in LLVM which magically
doesn't cause crashes or this is correct and FreeBSD doesn't have 16 bit
alignment?
Yuri
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