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| author | Feiyang Chen <chenfeiyang@loongson.cn> | 2023-09-06 22:53:55 +0800 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2023-09-06 22:53:55 +0800 |
| commit | 2363088eba2ecccfb643725e4864af73c4226a04 (patch) | |
| tree | 71c43f8873630e8f03fefc6ee544bdad61f6500e | |
| parent | b72961f847c0f0df113ae2d6ac9fd6b1e6bdeaf2 (diff) | |
LoongArch: Allow building with kcov coverage
Add ARCH_HAS_KCOV and HAVE_GCC_PLUGINS to the LoongArch Kconfig. And
also disable instrumentation of vdso.
Signed-off-by: Feiyang Chen <chenfeiyang@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
| -rw-r--r-- | Documentation/features/debug/kcov/arch-support.txt | 2 | ||||
| -rw-r--r-- | arch/loongarch/Kconfig | 2 | ||||
| -rw-r--r-- | arch/loongarch/vdso/Makefile | 2 |
3 files changed, 5 insertions, 1 deletions
diff --git a/Documentation/features/debug/kcov/arch-support.txt b/Documentation/features/debug/kcov/arch-support.txt index ffcc9f2b1d74..de84cefbcdd3 100644 --- a/Documentation/features/debug/kcov/arch-support.txt +++ b/Documentation/features/debug/kcov/arch-support.txt @@ -13,7 +13,7 @@ | csky: | TODO | | hexagon: | TODO | | ia64: | TODO | - | loongarch: | TODO | + | loongarch: | ok | | m68k: | TODO | | microblaze: | TODO | | mips: | ok | diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig index b02e399b1cd7..6cda4843f93b 100644 --- a/arch/loongarch/Kconfig +++ b/arch/loongarch/Kconfig @@ -13,6 +13,7 @@ config LOONGARCH select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI select ARCH_HAS_CPU_FINALIZE_INIT select ARCH_HAS_FORTIFY_SOURCE + select ARCH_HAS_KCOV select ARCH_HAS_NMI_SAFE_THIS_CPU_OPS select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE select ARCH_HAS_PTE_SPECIAL @@ -116,6 +117,7 @@ config LOONGARCH select HAVE_FUNCTION_GRAPH_RETVAL if HAVE_FUNCTION_GRAPH_TRACER select HAVE_FUNCTION_GRAPH_TRACER select HAVE_FUNCTION_TRACER + select HAVE_GCC_PLUGINS select HAVE_GENERIC_VDSO select HAVE_HW_BREAKPOINT if PERF_EVENTS select HAVE_IOREMAP_PROT diff --git a/arch/loongarch/vdso/Makefile b/arch/loongarch/vdso/Makefile index a50308b6fc25..d8b75f07c869 100644 --- a/arch/loongarch/vdso/Makefile +++ b/arch/loongarch/vdso/Makefile @@ -1,6 +1,8 @@ # SPDX-License-Identifier: GPL-2.0 # Objects to go into the VDSO. +KCOV_INSTRUMENT := n + # Include the generic Makefile to check the built vdso. include $(srctree)/lib/vdso/Makefile |