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#ifndef _ASM_X86_MPX_H
#define _ASM_X86_MPX_H
#include <linux/types.h>
#include <asm/ptrace.h>
#include <asm/insn.h>
#ifdef CONFIG_X86_64
/* upper 28 bits [47:20] of the virtual address in 64-bit used to
* index into bounds directory (BD).
*/
#define MPX_BD_ENTRY_OFFSET 28
#define MPX_BD_ENTRY_SHIFT 3
/* bits [19:3] of the virtual address in 64-bit used to index into
* bounds table (BT).
*/
#define MPX_BT_ENTRY_OFFSET 17
#define MPX_BT_ENTRY_SHIFT 5
#define MPX_IGN_BITS 3
#else
#define MPX_BD_ENTRY_OFFSET 20
#define MPX_BD_ENTRY_SHIFT 2
#define MPX_BT_ENTRY_OFFSET 10
#define MPX_BT_ENTRY_SHIFT 4
#define MPX_IGN_BITS 2
#endif
#define MPX_BD_SIZE_BYTES (1UL<<(MPX_BD_ENTRY_OFFSET+MPX_BD_ENTRY_SHIFT))
#define MPX_BT_SIZE_BYTES (1UL<<(MPX_BT_ENTRY_OFFSET+MPX_BT_ENTRY_SHIFT))
#define MPX_BNDSTA_ERROR_CODE 0x3
#ifdef CONFIG_X86_INTEL_MPX
siginfo_t *mpx_generate_siginfo(struct pt_regs *regs,
struct xsave_struct *xsave_buf);
#else
static inline siginfo_t *mpx_generate_siginfo(struct pt_regs *regs,
struct xsave_struct *xsave_buf)
{
return NULL;
}
#endif /* CONFIG_X86_INTEL_MPX */
#endif /* _ASM_X86_MPX_H */
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