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| author | Will Deacon <will@kernel.org> | 2023-04-20 20:03:02 +0300 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2023-04-20 20:03:02 +0300 |
| commit | 9772b7f07499b71482276cb5a8e4aa23bfca6b27 (patch) | |
| tree | 776711b8be15eec2d9eaf8fadfde6db5d6e05f74 /arch/arm64/Kconfig | |
| parent | 9651f00eb422a0a4c8f5cf5d920c80869e6ab5e5 (diff) | |
| parent | de1702f65feb516d5394e81a78519de9dc567031 (diff) | |
| download | linux-9772b7f07499b71482276cb5a8e4aa23bfca6b27.tar.xz | |
Merge branch 'for-next/stacktrace' into for-next/core
* for-next/stacktrace:
arm64: move PAC masks to <asm/pointer_auth.h>
arm64: use XPACLRI to strip PAC
arm64: avoid redundant PAC stripping in __builtin_return_address()
arm64: stacktrace: always inline core stacktrace functions
arm64: stacktrace: move dump functions to end of file
arm64: stacktrace: recover return address for first entry
Diffstat (limited to 'arch/arm64/Kconfig')
| -rw-r--r-- | arch/arm64/Kconfig | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index f3503d0cc1b8..c3c03c86837c 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -366,6 +366,20 @@ config ARCH_PROC_KCORE_TEXT config BROKEN_GAS_INST def_bool !$(as-instr,1:\n.inst 0\n.rept . - 1b\n\nnop\n.endr\n) +config BUILTIN_RETURN_ADDRESS_STRIPS_PAC + bool + # Clang's __builtin_return_adddress() strips the PAC since 12.0.0 + # https://reviews.llvm.org/D75044 + default y if CC_IS_CLANG && (CLANG_VERSION >= 120000) + # GCC's __builtin_return_address() strips the PAC since 11.1.0, + # and this was backported to 10.2.0, 9.4.0, 8.5.0, but not earlier + # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94891 + default y if CC_IS_GCC && (GCC_VERSION >= 110100) + default y if CC_IS_GCC && (GCC_VERSION >= 100200) && (GCC_VERSION < 110000) + default y if CC_IS_GCC && (GCC_VERSION >= 90400) && (GCC_VERSION < 100000) + default y if CC_IS_GCC && (GCC_VERSION >= 80500) && (GCC_VERSION < 90000) + default n + config KASAN_SHADOW_OFFSET hex depends on KASAN_GENERIC || KASAN_SW_TAGS |