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Rich Felker 4390383b32 impose barrier between thread pointer setup and use for static linking
this is the analog of commit 1c84c99913
for static linking. unlike with dynamic linking, we don't have
symbolic lookup to use as a barrier. use a dummy (target-agnostic)
degenerate inline asm fragment instead. this technique has precedent
in commit 05ac345f89 where it's used for
explicit_bzero. if it proves problematic in any way, loading the
address of the stage 2 function from a pointer object whose address
leaks to kernelspace during thread pointer init could be used as an
even stronger barrier.
2018-10-17 22:20:01 -04:00
arch make thread-pointer-loading asm non-volatile 2018-10-16 14:11:46 -04:00
crt define and use internal macros for hidden visibility, weak refs 2018-09-05 14:05:14 -04:00
dist add another example option to dist/config.mak 2012-04-24 16:49:11 -04:00
include restore attribute((const)) to pthread_self and errno location decls 2018-10-16 14:10:27 -04:00
ldso add new stage 2b to dynamic linker bootstrap for thread pointer 2018-10-16 13:50:28 -04:00
src impose barrier between thread pointer setup and use for static linking 2018-10-17 22:20:01 -04:00
tools fix musl-gcc wrapper to be compatible with default-pie gcc toolchains 2018-08-02 19:15:48 -04:00
.gitignore remove obsolete gitignore rules 2016-07-06 00:21:25 -04:00
COPYRIGHT new tsearch implementation 2018-09-20 17:57:47 -04:00
INSTALL add powerpc64 and s390x to list of supported archs in INSTALL file 2017-08-29 20:48:02 -04:00
Makefile overhaul internally-public declarations using wrapper headers 2018-09-12 14:34:33 -04:00
README update version reference in the README file 2014-06-25 14:16:53 -04:00
VERSION release 1.1.20 2018-09-04 13:17:19 -04:00
WHATSNEW fix mistake/cruft in 1.1.20 release notes 2018-09-04 19:27:15 -04:00
configure support clang internal assembler when building for arm as thumb2 code 2018-09-19 01:31:26 -04:00
dynamic.list allow interposition/replacement of allocator (malloc) 2018-04-18 14:22:49 -04:00

README

    musl libc

musl, pronounced like the word "mussel", is an MIT-licensed
implementation of the standard C library targetting the Linux syscall
API, suitable for use in a wide range of deployment environments. musl
offers efficient static and dynamic linking support, lightweight code
and low runtime overhead, strong fail-safe guarantees under correct
usage, and correctness in the sense of standards conformance and
safety. musl is built on the principle that these goals are best
achieved through simple code that is easy to understand and maintain.

The 1.1 release series for musl features coverage for all interfaces
defined in ISO C99 and POSIX 2008 base, along with a number of
non-standardized interfaces for compatibility with Linux, BSD, and
glibc functionality.

For basic installation instructions, see the included INSTALL file.
Information on full musl-targeted compiler toolchains, system
bootstrapping, and Linux distributions built on musl can be found on
the project website:

    http://www.musl-libc.org/