Commit 2363088e authored by Feiyang Chen's avatar Feiyang Chen Committed by Huacai Chen
Browse files

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: default avatarFeiyang Chen <chenfeiyang@loongson.cn>
Signed-off-by: default avatarHuacai Chen <chenhuacai@loongson.cn>
parent b72961f8

Documentation/features/debug/kcov/arch-support.txt

+1 −1
Original line number Diff line number Diff line
@@ -13,7 +13,7 @@ 
    |        csky: | TODO |

    |     hexagon: | TODO |

    |        ia64: | TODO |

    |   loongarch: | TODO |

    |   loongarch: |  ok  |

    |        m68k: | TODO |

    |  microblaze: | TODO |

    |        mips: |  ok  |

arch/loongarch/Kconfig

+2 −0
Original line number Diff line number Diff line
@@ -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

arch/loongarch/vdso/Makefile

+2 −0
Original line number Diff line number Diff line 
# 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