llvm-project

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[libunwind] Fix problems caused by combining BTI and GCS (#102322 )

The libunwind assembly files need adjustment in order to work correctly
when both BTI and GCS are both enabled (which will be the case when
using -mbranch-protection=standard):
* __libunwind_Registers_arm64_jumpto can't use br to jump to the return
location, instead we need to use gcspush then ret.
* Because we indirectly call __libunwind_Registers_arm64_jumpto it needs
to start with bti jc.
 * We need to set the GCS GNU property bit when it's enabled.

---------

Co-authored-by: Daniel Kiss <daniel.kristof.kiss@gmail.com>

2024-08-08 11:20:09 +01:00

cmake

[runtimes] Don't link against compiler-rt explicitly when we use -nostdlib++ (#75089 )

2023-12-13 13:57:48 -05:00

docs

[libunwind][doc] Remove reference to Phabricator from the landing page

2024-01-24 11:03:05 -05:00

include

[libunwind][WebAssembly] Make libunwind compilable (#92192 )

2024-05-21 15:43:08 -07:00

src

[libunwind] Fix problems caused by combining BTI and GCS (#102322 )