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[OpenMP][AArch64] Enable BTI and PAC support on OpenBSD #164337

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Merged
merged 1 commit into from
Oct 21, 2025
+7 −4
Merged

[OpenMP][AArch64] Enable BTI and PAC support on OpenBSD #164337

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11 changes: 7 additions & 4 deletions openmp/runtime/src/z_Linux_asm.S
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Original file line number Diff line number Diff line change
Expand Up @@ -120,7 +120,8 @@ KMP_PREFIX_UNDERSCORE(\proc):
# endif // KMP_OS_DARWIN
#endif // KMP_ARCH_X86 || KMP_ARCH_x86_64

#if (KMP_OS_LINUX || KMP_OS_DARWIN || KMP_OS_WINDOWS) && (KMP_ARCH_AARCH64 || KMP_ARCH_AARCH64_32 || KMP_ARCH_ARM)
#if (KMP_OS_LINUX || KMP_OS_DARWIN || KMP_OS_WINDOWS || KMP_OS_OPENBSD) && \
(KMP_ARCH_AARCH64 || KMP_ARCH_AARCH64_32 || KMP_ARCH_ARM)

# if KMP_OS_DARWIN
# define KMP_PREFIX_UNDERSCORE(x) _##x // extra underscore for OS X* symbols
Expand Down Expand Up @@ -188,7 +189,7 @@ KMP_PREFIX_UNDERSCORE(\proc):
.endm
# endif // KMP_OS_DARWIN

# if KMP_OS_LINUX
# if KMP_OS_LINUX || KMP_OS_OPENBSD
// BTI and PAC gnu property note
# define NT_GNU_PROPERTY_TYPE_0 5
# define GNU_PROPERTY_AARCH64_FEATURE_1_AND 0xc0000000
Expand Down Expand Up @@ -235,7 +236,8 @@ KMP_PREFIX_UNDERSCORE(\proc):
# define PACBTI_RET
# define GNU_PROPERTY_BTI_PAC
# endif
#endif // (KMP_OS_LINUX || KMP_OS_DARWIN || KMP_OS_WINDOWS) && (KMP_ARCH_AARCH64 || KMP_ARCH_AARCH64_32 || KMP_ARCH_ARM)
#endif // (KMP_OS_LINUX || KMP_OS_DARWIN || KMP_OS_WINDOWS || KMP_OS_OPENBSD) && \
(KMP_ARCH_AARCH64 || KMP_ARCH_AARCH64_32 || KMP_ARCH_ARM)

.macro COMMON name, size, align_power
#if KMP_OS_DARWIN
Expand Down Expand Up @@ -2516,6 +2518,7 @@ KMP_PREFIX_UNDERSCORE(__kmp_unnamed_critical_addr):
# endif
#endif

#if KMP_OS_LINUX && (KMP_ARCH_AARCH64 || KMP_ARCH_AARCH64_32)
#if (KMP_OS_LINUX || KMP_OS_OPENBSD) && \
(KMP_ARCH_AARCH64 || KMP_ARCH_AARCH64_32)
GNU_PROPERTY_BTI_PAC
#endif
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