diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/x86/include/asm/prctl.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86/include/asm/prctl.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/x86/include/asm/prctl.h b/sysdeps/unix/sysv/linux/x86/include/asm/prctl.h new file mode 100644 index 0000000000..f67f3299b9 --- /dev/null +++ b/sysdeps/unix/sysv/linux/x86/include/asm/prctl.h @@ -0,0 +1,32 @@ +/* FIXME: CET arch_prctl bits should come from the kernel header files. + This file should be removed if <asm/prctl.h> from the required kernel + header files contains CET arch_prctl bits. */ + +#include_next <asm/prctl.h> + +#ifndef ARCH_CET_STATUS +/* CET features: + IBT: GNU_PROPERTY_X86_FEATURE_1_IBT + SHSTK: GNU_PROPERTY_X86_FEATURE_1_SHSTK + */ +/* Return CET features in unsigned long long *addr: + features: addr[0]. + shadow stack base address: addr[1]. + shadow stack size: addr[2]. + */ +# define ARCH_CET_STATUS 0x3001 +/* Disable CET features in unsigned int features. */ +# define ARCH_CET_DISABLE 0x3002 +/* Lock all CET features. */ +# define ARCH_CET_LOCK 0x3003 +/* Allocate a new shadow stack with unsigned long long *addr: + IN: requested shadow stack size: *addr. + OUT: allocated shadow stack address: *addr. + */ +# define ARCH_CET_ALLOC_SHSTK 0x3004 +/* Return legacy region bitmap info in unsigned long long *addr: + address: addr[0]. + size: addr[1]. + */ +# define ARCH_CET_LEGACY_BITMAP 0x3005 +#endif /* ARCH_CET_STATUS */ |