nickdesaulniers updated this revision to Diff 212002. nickdesaulniers added a comment. Herald added a reviewer: alexshap.
- add details about ClangBuiltLinux Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D65302/new/ https://reviews.llvm.org/D65302 Files: clang/docs/ReleaseNotes.rst Index: clang/docs/ReleaseNotes.rst =================================================================== --- clang/docs/ReleaseNotes.rst +++ clang/docs/ReleaseNotes.rst @@ -111,6 +111,12 @@ in all C-family languages. This macro is similar to ``__FILE__`` except it will always provide the last path component when possible. +- Initial support for ``asm goto`` statements (a GNU C extension) has been + added for control flow from inline assembly to labels. The main consumers of + this construct are the Linux kernel (CONFIG_JUMP_LABEL=y) and glib. There are + still a few unsupported corner cases in Clang's integrated assembler and + IfConverter. Please file bugs for any issues you run into. + - ... C11 Feature Support @@ -242,6 +248,33 @@ Significant Known Problems ========================== +Linux Kernel +============ + +With support for asm goto, the mainline Linux kernel for x86_64 is now buildable +(and bootable) with Clang-9. Other architectures that don't require +CONFIG_JUMP_LABEL=y such as arm, aarch64, ppc32, ppc64le, (and possibly mips) +have been supported with older releases of Clang (clang-4 was first used with +aarch64). + +The Android and ChromeOS Linux distributions have moved to building their Linux +kernels with Clang, and Google is currently testing Clang built kernels for +their production Linux kernels. + +Further, LLD, llvm-objcopy, llvm-ar, llvm-nm, llvm-objdump can all be used to +build a working Linux kernel. + +More information about building Linux kernels with Clang can be found: + +- `ClangBuiltLinux web page <https://clangbuiltlinux.github.io/>`_. +- `Issue Tracker <https://github.com/ClangBuiltLinux/linux/issues>`_. +- `Wiki <https://github.com/ClangBuiltLinux/linux/wiki>`_. +- `Mailing List <clang-built-li...@googlegroups.com>`_. +- `Bi-weekly Meeting <https://calendar.google.com/calendar/embed?src=google.com_bbf8m6m4n8nq5p2bfjpele0n5s%40group.calendar.google.com>`_. +- #clangbuiltlinux on Freenode. +- `Clang Meta bug <https://bugs.llvm.org/show_bug.cgi?id=4068>`_. +- `Continuous Integration <https://travis-ci.com/ClangBuiltLinux/continuous-integration>`_. + Additional Information ======================
Index: clang/docs/ReleaseNotes.rst =================================================================== --- clang/docs/ReleaseNotes.rst +++ clang/docs/ReleaseNotes.rst @@ -111,6 +111,12 @@ in all C-family languages. This macro is similar to ``__FILE__`` except it will always provide the last path component when possible. +- Initial support for ``asm goto`` statements (a GNU C extension) has been + added for control flow from inline assembly to labels. The main consumers of + this construct are the Linux kernel (CONFIG_JUMP_LABEL=y) and glib. There are + still a few unsupported corner cases in Clang's integrated assembler and + IfConverter. Please file bugs for any issues you run into. + - ... C11 Feature Support @@ -242,6 +248,33 @@ Significant Known Problems ========================== +Linux Kernel +============ + +With support for asm goto, the mainline Linux kernel for x86_64 is now buildable +(and bootable) with Clang-9. Other architectures that don't require +CONFIG_JUMP_LABEL=y such as arm, aarch64, ppc32, ppc64le, (and possibly mips) +have been supported with older releases of Clang (clang-4 was first used with +aarch64). + +The Android and ChromeOS Linux distributions have moved to building their Linux +kernels with Clang, and Google is currently testing Clang built kernels for +their production Linux kernels. + +Further, LLD, llvm-objcopy, llvm-ar, llvm-nm, llvm-objdump can all be used to +build a working Linux kernel. + +More information about building Linux kernels with Clang can be found: + +- `ClangBuiltLinux web page <https://clangbuiltlinux.github.io/>`_. +- `Issue Tracker <https://github.com/ClangBuiltLinux/linux/issues>`_. +- `Wiki <https://github.com/ClangBuiltLinux/linux/wiki>`_. +- `Mailing List <clang-built-li...@googlegroups.com>`_. +- `Bi-weekly Meeting <https://calendar.google.com/calendar/embed?src=google.com_bbf8m6m4n8nq5p2bfjpele0n5s%40group.calendar.google.com>`_. +- #clangbuiltlinux on Freenode. +- `Clang Meta bug <https://bugs.llvm.org/show_bug.cgi?id=4068>`_. +- `Continuous Integration <https://travis-ci.com/ClangBuiltLinux/continuous-integration>`_. + Additional Information ======================
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