1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_X86_TRAPS_H
3 #define _ASM_X86_TRAPS_H
5 #include <linux/context_tracking_state.h>
6 #include <linux/kprobes.h>
8 #include <asm/debugreg.h>
9 #include <asm/idtentry.h>
10 #include <asm/siginfo.h> /* TRAP_TRACE, ... */
11 #include <asm/trap_pf.h>
14 asmlinkage __visible notrace struct pt_regs *sync_regs(struct pt_regs *eregs);
15 asmlinkage __visible notrace
16 struct pt_regs *fixup_bad_iret(struct pt_regs *bad_regs);
17 asmlinkage __visible noinstr struct pt_regs *vc_switch_off_ist(struct pt_regs *eregs);
20 extern int ibt_selftest(void);
21 extern int ibt_selftest_noendbr(void);
23 #ifdef CONFIG_X86_F00F_BUG
24 /* For handling the FOOF bug */
25 void handle_invalid_op(struct pt_regs *regs);
28 static inline int get_si_code(unsigned long condition)
30 if (condition & DR_STEP)
32 else if (condition & (DR_TRAP0|DR_TRAP1|DR_TRAP2|DR_TRAP3))
38 extern int panic_on_unrecovered_nmi;
40 void math_emulate(struct math_emu_info *);
42 bool fault_in_kernel_space(unsigned long address);
44 #ifdef CONFIG_VMAP_STACK
45 void __noreturn handle_stack_overflow(struct pt_regs *regs,
46 unsigned long fault_address,
47 struct stack_info *info);
50 static inline void cond_local_irq_enable(struct pt_regs *regs)
52 if (regs->flags & X86_EFLAGS_IF)
56 static inline void cond_local_irq_disable(struct pt_regs *regs)
58 if (regs->flags & X86_EFLAGS_IF)
62 #endif /* _ASM_X86_TRAPS_H */