13 Commits

Author SHA1 Message Date
Petr Hosek
5ff3ff33ff
[libc] Migrate to using LIBC_NAMESPACE_DECL for namespace declaration (#98597)
This is a part of #97655.
2024-07-12 09:28:41 -07:00
Mehdi Amini
ce9035f5bd
Revert "[libc] Migrate to using LIBC_NAMESPACE_DECL for namespace declaration" (#98593)
Reverts llvm/llvm-project#98075

bots are broken
2024-07-12 09:12:13 +02:00
Petr Hosek
3f30effe1b
[libc] Migrate to using LIBC_NAMESPACE_DECL for namespace declaration (#98075)
This is a part of #97655.
2024-07-11 12:35:22 -07:00
Guillaume Chatelet
b6bc9d72f6
[libc] Mass replace enclosing namespace (#67032)
This is step 4 of
https://discourse.llvm.org/t/rfc-customizable-namespace-to-allow-testing-the-libc-when-the-system-libc-is-also-llvms-libc/73079
2023-09-26 11:45:04 +02:00
Joseph Huber
443d71527b [libc] Implement exit for the GPU partially
This patch implements the `exit` function on the GPU. This required
breaking the entrypoints calling eachother on `linux` since this doesn't
work with a non-aliased target. This is only partial support because
full support requires a malloc / free implementation for the exit
callbacks array.

Reviewed By: sivachandra

Differential Revision: https://reviews.llvm.org/D149363
2023-04-27 20:32:00 -05:00
Mikhail R. Gadelha
0ffea21893 [libc] Small improvements to libc cmake
This patch includes:
1. Better error message when cmake finds incompatible triple
2. Added missing header dependencies libc/include/CMakeLists.txt as per
   app.td
3. Removed unused $LLVM_LIBC_INCLUDE_DIRS cmake variable

Reviewed By: sivachandra

Differential Revision: https://reviews.llvm.org/D145496
2023-03-08 09:02:02 -03:00
Michael Jones
1801c356f6 [libc] add syscall function
Add the syscall wrapper function and tests. It's implemented using a
macro to guarantee the minimum number of arguments.

Reviewed By: sivachandra, lntue

Differential Revision: https://reviews.llvm.org/D134919
2022-09-30 15:46:28 -07:00
Siva Chandra Reddy
215c9fa4de [libc] Re-enable functions from signal.h and re-enable abort.
They were disabled because we were including linux/signal.h from our
signal.h. Linux's signal.h is not designed to be included from user
programs as it causes a lot of non-standard name pollution. Also, it is
not self-contained. This change defines types and macros relevant for
signal related syscalls within libc's headers and removes inclusion of
Linux headers.

This patch enables the funtions only for x86_64. They will be enabled
for aarch64 also in a follow up patch after testing.

Reviewed By: abrachet, lntue

Differential Revision: https://reviews.llvm.org/D134567
2022-09-30 07:31:50 +00:00
Alex Brachet
70ae480c82 [libc][NFC] Remove all Linux specific code to respective linux/ directories
These were all the non OS agnostic implementations I could find in general directories.

Currently none of these functions are actually enabled, but for when they do it makes sense that they be in linux/ specific directories.

Reviewed By: sivachandra

Differential Revision: https://reviews.llvm.org/D119164
2022-02-08 18:32:18 +00:00
Siva Chandra Reddy
3cc2161c89 [libc] Move the x86_64 syscall functions to OSUtil.
Reviewed By: michaelrj, lntue

Differential Revision: https://reviews.llvm.org/D116177
2021-12-22 21:48:57 +00:00
Michael Jones
a0b65a7bcd [libc] Switch to use a macro which does not insert a section for every libc function.
Summary:
The new macro also inserts the C alias for the C++ implementations
without needing an objcopy based post processing step. The CMake
rules have been updated to reflect this. More CMake cleanup can be
taken up in future rounds and appropriate TODOs have been added for them.

Reviewers: mcgrathr, sivachandra

Subscribers:
2021-01-08 23:52:35 +00:00
Siva Chandra Reddy
e4767a6f14 [libc] Add fully-qualified target names.
Only targets setup by the special LLVM libc rules now have fully
qualified names. The naming style is similar to fully qualified names in
Python.

Reviewers: abrachet, PaulkaToast, phosek

Differential Revision: https://reviews.llvm.org/D77340
2020-04-10 18:01:52 -07:00
Alex Brachet
a499d68056 [libc] Create abort and _Exit
This revision creates abort and _Exit implementations

Differential Revision: https://reviews.llvm.org/D74949
2020-03-05 14:21:18 -05:00