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Paul Pluzhnikov writes:
You almost certainly do not use 'one build' (as in, one set of
object files) for all of these platforms, because Windows uses
extended COFF, while Solaris and Linux use ELF object file format
(not sure what FreeBSD uses).
Yes, I wrong. objdump -p wrote "file format pe-i386" on Windows .obj
files and "elf32-i386" on Linux .o files.
I also highlight incompatibility in name mangling: on Windows for cdecl
calls funcs need decorate by underline, on Linux not needed.
On Mac OS X limited may be use same build as on Linux (there are some
difference with System V ABI, for example differ conventions for use
FPU/MMX register). For details may be refer to
http://gemma.apple.com/documentation/developertools/Conceptual/LowLevelABI/LowLevelABI.pdf
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