Freestanding libelf extracted from elfutils
- C 99.6%
- Shell 0.2%
- Makefile 0.2%
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Chris Webb
af8cd1cae0
Don't leak crc32 and next_prime symbols
Upstream elfutils wraps crc32.c in libelf_crc32.c and next_prime.c in libelf_next_prime.c, redirecting crc32 to hidden __libelf_crc32 and next_prime to hidden __libelf_next_prime. Bare crc32 and next_prime symbols aren't exported by elfutils libelf. We shouldn't export them either, because they are likely to collide. Unlike elfutils, we don't share crc32.c and next_prime.c with other libraries, so we can drop the wrappers. Directly hide and prefix the crc32() and next_prime() functions instead. Co-authored-by: windowsair <dev@airkyi.com> Reported-by: windowsair <dev@airkyi.com> |
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| include | Update upstream files from elfutils 0.193 | |
| src | Don't leak crc32 and next_prime symbols | |
| COPYING-GPLV2 | Import upstream files from elfutils 0.185 | |
| COPYING-LGPLV3 | Import upstream files from elfutils 0.185 | |
| Makefile | Merge from upstream libelf 0.195 | |
| README | Enable zstd support by default | |
| update | Include missing eu-search.c from upstream | |
Freestanding libelf =================== This package contains an up-to-date and complete libelf extracted from elfutils, along with a simple Makefile to build and install it. Unlike the upstream package, this libelf builds cleanly on both musl and glibc, using either clang or gcc. Users are spared the joy of autotools, and on musl systems it does not require extra libraries for argp, fts or obstack. The sole dependencies are zlib and (by default) zstd for handling compressed ELF sections. The elfutils tools, libdwarf and libasm are not included: you will need the full upstream distribution to build those. However, they are a much more unusual requirement than libelf itself. (For instance, this library alone is sufficient for building an x86-64 Linux kernel with stack validation.) Building and installing ----------------------- Unpack the source tar.gz file and change to the unpacked directory. Run 'make' then 'make install' to install the libelf headers in /include, plus static and shared libraries in /lib. You can customise DESTDIR, PREFIX, LIBDIR and/or INCDIR to install in different locations. An install-static target is available to install only a static library, and similarly the install-shared target installs only the shared library. The build should work out of the box on reasonably recent musl/glibc and clang/gcc. On very old or non-Linux systems, some manual adjustment of src/config.h may be needed. For example, to build without zstd support, remove the definitions of USE_ZSTD and USE_ZSTD_COMPRESS from config.h and drop -lzstd from LDLIBS in the Makefile. Please report any problems or bugs to Chris Webb <chris@arachsys.com> rather than to the upstream elfutils maintainers, who are not to blame for issues in this repackaging of libelf. Copying ------- This software is distributed under the terms of the GNU GPL version 2 or later, as included in COPYING-GPLV2, or the GNU LGPL version 3 or later, as included in COPYING-LGPLV3.