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https://www.openwall.com/lists/musl/2025/10/12/4
See also 7b92d5f4052be651e9bc5cd4ad78a69ccbee865d...
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loongarch64, riscv32, riscv64
https://www.openwall.com/lists/musl/2025/09/28/2
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https://www.openwall.com/lists/musl/2025/09/27/1
closes #25367
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- sin
- sinf
- cos
- cosf
- sincos
- sincosf
- tan
- tanf
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* libc: implement common `abs` for various integer sizes
* libc: move imaxabs to inttypes.zig and don't use cInclude
* libc: delete `fabs` c implementations because already implemented in compiler_rt
* libc: export functions depending on the target libc
Previously all the functions that were exported were handled equally,
though some may exist and some not inside the same file. Moving the
checks inside the file allows handling different functions differently
* remove empty ifs in inttypes
Co-authored-by: Alex Rønne Petersen <alex@alexrp.com>
* remove empty ifs in stdlib
Co-authored-by: Alex Rønne Petersen <alex@alexrp.com>
* libc: use `@abs` for the absolute value calculation
---------
Co-authored-by: Alex Rønne Petersen <alex@alexrp.com>
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* Introduce common `bzero` libc implementation.
* Update test name according to review
Co-authored-by: Linus Groh <mail@linusgroh.de>
* address code review
- import common implementation when musl or wasi is included
- don't use `c_builtins`, use `@memset`
* bzero calling conv to .c
* Apply review
Co-authored-by: Veikka Tuominen <git@vexu.eu>
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Co-authored-by: Linus Groh <mail@linusgroh.de>
Co-authored-by: Veikka Tuominen <git@vexu.eu>
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Introduce libzigc for libc function implementations in Zig
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This lays the groundwork for #2879. This library will be built and linked when a
static libc is going to be linked into the compilation. Currently, that means
musl, wasi-libc, and MinGW-w64. As a demonstration, this commit removes the musl
C code for a few string functions and implements them in libzigc. This means
that those libzigc functions are now load-bearing for musl and wasi-libc.
Note that if a function has an implementation in compiler-rt already, libzigc
should not implement it. Instead, as we recently did for memcpy/memmove, we
should delete the libc copy and rely on the compiler-rt implementation.
I repurposed the existing "universal libc" code to do this. That code hadn't
seen development beyond basic string functions in years, and was only usable-ish
on freestanding. I think that if we want to seriously pursue the idea of Zig
providing a freestanding libc, we should do so only after defining clear goals
(and non-goals) for it. See also #22240 for a similar case.
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This is from Qualcomm's fork: https://github.com/quic/musl
I maintain a fork of musl where I rebase Qualcomm's changes on top of the latest
musl release, which I then use as the basis for musl updates in Zig. My fork can
be found here: https://github.com/alexrp/musl/tree/hexagon
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https://www.openwall.com/lists/oss-security/2025/02/13/2
Closes #22883.
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See these mailing list threads:
* https://www.openwall.com/lists/musl/2024/11/23/3
* https://www.openwall.com/lists/musl/2025/01/24/1
This supplants cc73d7ad749df8d53da442faa2e7af5d69357b33.
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Namely:
* alpha
* hppa
* ia64
* microblaze
* nios2
* or1k
* s390
* sh
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These are provided instead by compiler_rt.
Part of #2879
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Whatever was in the frame pointer register prior to clone() will no longer be
valid in the child process, so zero it to protect FP-based unwinders. This is
just an extension of what was already done for i386 and x86_64. Only applied
to architectures where the _start() code also zeroes the frame pointer.
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https://www.openwall.com/lists/musl/2024/11/23/3
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https://www.openwall.com/lists/musl/2024/11/23/2
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adds loongarch64 and riscv32
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This was a bit trickier than it should be due to symbol conflicts with
zig's compiler-rt implementation. We attempt to use weak linkage in
our compiler-rt, but this does not seem to be working in all cases. I
manually disabled export of the problematic compiler-rt math functions
in order to cross compile musl's libc.so for all targets as input to
`tools/gen_stubs.zig`.
Other than that, this update went fairly smoothly. Quite a few
additional symbols were added to the blacklist in `tools/gen_stubs.zig`
due to recent reorganization of zig's compiler-rt.
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Allows musl to compile for mipsel targets.
https://www.openwall.com/lists/musl/2019/09/27/1/2
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From: Szabolcs Nagy <szabolcs.nagy@arm.com>
armv8 removed the coprocessor instructions other than cp14, so
on an armv8 system the related hwcaps should never be set.
new llvm complains about the use of coprocessor instructions in
armv8-a mode (even though they are never executed at runtime),
so ifdef them out when musl is built for armv8.
<dalias> i think the patch looks ok
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also start prefering NtDll API. so far:
* NtQueryInformationFile
* NtClose
adds a performance workaround for windows unicode conversion. but that
should probably be removed before merging
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