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From: Szabolcs Nagy <nsz@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc(refs/vendors/ARM/heads/gcs-13)] aarch64: libatomic: add GCS marking to asm Date: Wed, 14 Feb 2024 15:38:00 +0000 (GMT) [thread overview] Message-ID: <20240214153800.48A2D385E45A@sourceware.org> (raw) https://gcc.gnu.org/g:1bba9638a0bce792b4dfe47e06507ec959955b28 commit 1bba9638a0bce792b4dfe47e06507ec959955b28 Author: Szabolcs Nagy <szabolcs.nagy@arm.com> Date: Fri Dec 22 15:11:25 2023 +0000 aarch64: libatomic: add GCS marking to asm libatomic/ChangeLog: * config/linux/aarch64/atomic_16.S (FEATURE_1_GCS): Define. (GCS_FLAG): Define if GCS is enabled. (GNU_PROPERTY): Add GCS_FLAG. Diff: --- libatomic/config/linux/aarch64/atomic_16.S | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/libatomic/config/linux/aarch64/atomic_16.S b/libatomic/config/linux/aarch64/atomic_16.S index 05439ce394b9..453eac0ffd20 100644 --- a/libatomic/config/linux/aarch64/atomic_16.S +++ b/libatomic/config/linux/aarch64/atomic_16.S @@ -466,6 +466,7 @@ END (libat_test_and_set_16_i1) #define FEATURE_1_AND 0xc0000000 #define FEATURE_1_BTI 1 #define FEATURE_1_PAC 2 +#define FEATURE_1_GCS 4 /* Supported features based on the code generation options. */ #if defined(__ARM_FEATURE_BTI_DEFAULT) @@ -480,6 +481,12 @@ END (libat_test_and_set_16_i1) # define PAC_FLAG 0 #endif +#if __ARM_FEATURE_GCS_DEFAULT +# define GCS_FLAG FEATURE_1_GCS +#else +# define GCS_FLAG 0 +#endif + /* Add a NT_GNU_PROPERTY_TYPE_0 note. */ #define GNU_PROPERTY(type, value) \ .section .note.gnu.property, "a"; \ @@ -498,6 +505,6 @@ END (libat_test_and_set_16_i1) /* Add GNU property note if built with branch protection. */ # if (BTI_FLAG|PAC_FLAG) != 0 -GNU_PROPERTY (FEATURE_1_AND, BTI_FLAG|PAC_FLAG) +GNU_PROPERTY (FEATURE_1_AND, BTI_FLAG|PAC_FLAG|GCS_FLAG) # endif #endif
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