Re: [PATCH v2 4/4] x86: enable llvm-cov support
From: Nathan Chancellor <nathan@kernel.org>
Date: 2024-10-02 01:19:02
Also in:
linux-arch, linux-efi, linux-kbuild, linux-um, lkml, llvm
On Wed, Sep 04, 2024 at 11:32:45PM -0500, Wentao Zhang wrote:
Set ARCH_HAS_* options to "y" in kconfig and include section description in
Is description the right word here? Maybe "include the compiler generated sections"? Open to other suggestions.
linker script. Signed-off-by: Wentao Zhang <redacted> Reviewed-by: Chuck Wolber <redacted> Tested-by: Chuck Wolber <redacted>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
quoted hunk ↗ jump to hunk
--- arch/x86/Kconfig | 2 ++ arch/x86/kernel/vmlinux.lds.S | 2 ++ 2 files changed, 4 insertions(+)diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 007bab9f2..e0a8f7b42 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig@@ -85,6 +85,8 @@ config X86 select ARCH_HAS_FORTIFY_SOURCE select ARCH_HAS_GCOV_PROFILE_ALL select ARCH_HAS_KCOV if X86_64 + select ARCH_HAS_LLVM_COV if X86_64 + select ARCH_HAS_LLVM_COV_PROFILE_ALL if X86_64 select ARCH_HAS_KERNEL_FPU_SUPPORT select ARCH_HAS_MEM_ENCRYPT select ARCH_HAS_MEMBARRIER_SYNC_COREdiff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S index 6e73403e8..904337722 100644 --- a/arch/x86/kernel/vmlinux.lds.S +++ b/arch/x86/kernel/vmlinux.lds.S@@ -191,6 +191,8 @@ SECTIONS BUG_TABLE + LLVM_COV_DATA + ORC_UNWIND_TABLE . = ALIGN(PAGE_SIZE);-- 2.45.2