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Differential D127150

[doc] Add release notes about SEH unwind information on ARM
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Authored by mstorsjo on Jun 6 2022, 1:57 PM.

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efriedma
MaskRay
Commits
rG20ca739701d7: [doc] Add release notes about SEH unwind information on ARM

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Event Timeline

mstorsjo created this revision.Jun 6 2022, 1:57 PM
Herald added a project: Restricted Project. · View Herald TranscriptJun 6 2022, 1:57 PM
Herald added subscribers: StephenFan, kristof.beyls. · View Herald Transcript
mstorsjo requested review of this revision.Jun 6 2022, 1:57 PM
Herald added projects: Restricted Project, Restricted Project. · View Herald TranscriptJun 6 2022, 1:57 PM
MaskRay added inline comments.Jun 6 2022, 2:05 PM
clang/docs/ReleaseNotes.rst
357

The official spelling is DWARF. The official way to name the version is DWARF version 5. If abbreviation is intended, DWARF v5.

llvm/docs/ReleaseNotes.rst
106
MaskRay accepted this revision.Jun 6 2022, 2:05 PM
This revision is now accepted and ready to land.Jun 6 2022, 2:05 PM
mstorsjo updated this revision to Diff 434611.Jun 6 2022, 2:14 PM

Capitalize DWARF.

Harbormaster completed remote builds in B168151: Diff 434611.Jun 6 2022, 3:21 PM
Closed by commit rG20ca739701d7: [doc] Add release notes about SEH unwind information on ARM (authored by mstorsjo). · Explain WhyJun 8 2022, 1:32 AM
This revision was automatically updated to reflect the committed changes.
mstorsjo added a commit: rG20ca739701d7: [doc] Add release notes about SEH unwind information on ARM.

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clang/
docs/
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llvm/
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Diff 434611

clang/docs/ReleaseNotes.rst

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--------------- ---------------
- Add support for MSVC-compatible ``/JMC``/``/JMC-`` flag in clang-cl (supports - Add support for MSVC-compatible ``/JMC``/``/JMC-`` flag in clang-cl (supports
X86/X64/ARM/ARM64). ``/JMC`` could only be used when ``/Zi`` or ``/Z7`` is X86/X64/ARM/ARM64). ``/JMC`` could only be used when ``/Zi`` or ``/Z7`` is
turned on. With this addition, clang-cl can be used in Visual Studio for the turned on. With this addition, clang-cl can be used in Visual Studio for the
JustMyCode feature. Note, you may need to manually add ``/JMC`` as additional JustMyCode feature. Note, you may need to manually add ``/JMC`` as additional
compile options in the Visual Studio since it currently assumes clang-cl does not support ``/JMC``. compile options in the Visual Studio since it currently assumes clang-cl does not support ``/JMC``.
- Implemented generation of SEH unwind information on ARM. (C++ exception
handling in MSVC mode is still unimplemented though.)
- Switched MinGW mode on ARM to use SEH instead of DWARF for unwind information.
MaskRayUnsubmitted
Not Done
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handling in MSVC mode is still unimplemented though.)
- - Switched MinGW mode on ARM to use SEH instead of Dwarf for unwind information.
+ - Switched MinGW mode on ARM to use SEH instead of DWARF for unwind information.
AIX Support

The official spelling is DWARF. The official way to name the version is DWARF version 5. If abbreviation is intended, DWARF v5.

MaskRay: The official spelling is `DWARF`. The official way to name the version is `DWARF version 5`. If…
AIX Support AIX Support
----------- -----------
- The driver no longer adds ``-mignore-xcoff-visibility`` by default for AIX - The driver no longer adds ``-mignore-xcoff-visibility`` by default for AIX
targets when no other visibility command-line options are in effect, as targets when no other visibility command-line options are in effect, as
ignoring hidden visibility can silently have undesirable side effects (e.g ignoring hidden visibility can silently have undesirable side effects (e.g
when libraries depend on visibility to hide non-ABI facing entities). The when libraries depend on visibility to hide non-ABI facing entities). The
``-mignore-xcoff-visibility`` option can be manually specified on the ``-mignore-xcoff-visibility`` option can be manually specified on the
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llvm/docs/ReleaseNotes.rst

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* Added support for the Armv9-A, Armv9.1-A and Armv9.2-A architectures. * Added support for the Armv9-A, Armv9.1-A and Armv9.2-A architectures.
* Added support for the Armv8.1-M PACBTI-M extension. * Added support for the Armv8.1-M PACBTI-M extension.
* Removed the deprecation of ARMv8-A T32 Complex IT blocks. No deprecation * Removed the deprecation of ARMv8-A T32 Complex IT blocks. No deprecation
warnings will be generated and -mrestrict-it is now always off by default. warnings will be generated and -mrestrict-it is now always off by default.
Previously it was on by default for Armv8 and off for all other architecture Previously it was on by default for Armv8 and off for all other architecture
versions. versions.
* Added a pass to workaround Cortex-A57 Erratum 1742098 and Cortex-A72 * Added a pass to workaround Cortex-A57 Erratum 1742098 and Cortex-A72
Erratum 1655431. This is enabled by default when targeting either CPU. Erratum 1655431. This is enabled by default when targeting either CPU.
* Implemented generation of Windows SEH unwind information.
* Switched the MinGW target to use SEH instead of DWARF for unwind information.
MaskRayUnsubmitted
Not Done
ReplyInline Actions
* Implemented generation of Windows SEH unwind information.
- * Switched the MinGW target to use SEH instead of Dwarf for unwind information.
+ * Switched the MinGW target to use SEH instead of DWARF for unwind information.
Changes to the AVR Backend
MaskRay:
Changes to the AVR Backend Changes to the AVR Backend
-------------------------- --------------------------
* ... * ...
Changes to the Hexagon Backend Changes to the Hexagon Backend
------------------------------ ------------------------------
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