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Makefile.sysfake
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README
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makesyscalls-fake.sh
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shlib-compat-dirs.sh
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shlib-compat.py
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test
Editing: README
ABI compatibility checker for shared libraries with symbol versioning. shlib-compat uses dwarf debugging symbols to recreate definitions of exported symbols, including function arguments and structural types. The shlib-compat.py script requires devel/dwarfdump port to be installed. Syscalls in libc are implemented as assembly stubs and thus have no debugging symbols attached. To enable sysfake stubs rebuild libc adding the following to /etc/make.conf: .if ${.CURDIR:M/usr/src/lib/libc} .include "../../tools/tools/shlib-compat/Makefile.sysfake" .endif To compare libc.so versions compiled with sysfake stubs: ./shlib-compat.py -v --alias-prefix __sysfake_ \ --alias-prefix __sysfake_freebsd8_ \ --exclude-ver FBSDprivate \ --out-orig out-orig.c --out-new out-new.c libc.so.7.orig libc.so.7.new
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