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1fabdb9908
Since legacy bitmap doesn't cover jitted code generated by legacy JIT engine, it isn't very useful. This patch removes ARCH_CET_LEGACY_BITMAP and treats indirect branch tracking similar to shadow stack by removing legacy bitmap support. Tested on CET Linux/x86-64 and non-CET Linux/x86-64. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
28 lines
914 B
C
28 lines
914 B
C
/* FIXME: CET arch_prctl bits should come from the kernel header files.
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This file should be removed if <asm/prctl.h> from the required kernel
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header files contains CET arch_prctl bits. */
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#include_next <asm/prctl.h>
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#ifndef ARCH_CET_STATUS
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/* CET features:
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IBT: GNU_PROPERTY_X86_FEATURE_1_IBT
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SHSTK: GNU_PROPERTY_X86_FEATURE_1_SHSTK
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*/
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/* Return CET features in unsigned long long *addr:
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features: addr[0].
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shadow stack base address: addr[1].
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shadow stack size: addr[2].
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*/
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# define ARCH_CET_STATUS 0x3001
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/* Disable CET features in unsigned int features. */
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# define ARCH_CET_DISABLE 0x3002
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/* Lock all CET features. */
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# define ARCH_CET_LOCK 0x3003
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/* Allocate a new shadow stack with unsigned long long *addr:
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IN: requested shadow stack size: *addr.
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OUT: allocated shadow stack address: *addr.
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*/
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# define ARCH_CET_ALLOC_SHSTK 0x3004
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#endif /* ARCH_CET_STATUS */
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