mirror of git://git.musl-libc.org/musl
db2a148d9d
this patch is not purely non-functional changes, since before, $8 and $9 were wrongly in the clobberlist for syscalls with fewer than 5 or 6 arguments. of course it's impossible for syscalls to have different clobbers depending on their number of arguments. the clobberlist for the recently-added 5- and 6-argument forms was correct, and for the 0- to 4-argument forms was erroneously copied from the mips o32 ABI where the additional arguments had to be passed on the stack. in making this change, I reviewed the kernel sources, and $8 and $9 are always saved for 64-bit kernels since they're part of the syscall argument list for n32 and n64 ABIs. |
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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/