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aarch64: Mark objects with GCS property note

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Reviewed-by: Wilco Dijkstra <Wilco.Dijkstra@arm.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
This commit is contained in:
Szabolcs Nagy 2023-12-22 12:29:48 +00:00 • committed by Yury Khrustalev
parent 01f52b11de
commit 76b79f7241
1 changed files with 3 additions and 2 deletions
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5
sysdeps/aarch64/sysdep.h
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@ -85,6 +85,7 @@ strip_pac (void *p)
#define FEATURE_1_AND 0xc0000000
#define FEATURE_1_BTI 1
#define FEATURE_1_PAC 2
#define FEATURE_1_GCS 4
/* Add a NT_GNU_PROPERTY_TYPE_0 note. */
#define GNU_PROPERTY(type, value) \
@ -103,9 +104,9 @@ strip_pac (void *p)
/* Add GNU property note with the supported features to all asm code
where sysdep.h is included. */
#if HAVE_AARCH64_BTI && HAVE_AARCH64_PAC_RET
GNU_PROPERTY (FEATURE_1_AND, FEATURE_1_BTI|FEATURE_1_PAC)
GNU_PROPERTY (FEATURE_1_AND, FEATURE_1_BTI|FEATURE_1_PAC|FEATURE_1_GCS)
#elif HAVE_AARCH64_BTI
GNU_PROPERTY (FEATURE_1_AND, FEATURE_1_BTI)
GNU_PROPERTY (FEATURE_1_AND, FEATURE_1_BTI|FEATURE_1_GCS)
#endif
/* Define an entry point visible from C. */