Cregit: Linux 5.13: traps.h

Contributors: 11
Author	Tokens	Token Proportion	Commits	Commit Proportion
Thomas Gleixner	60	32.61%	4	21.05%
Alexander van Heukelum	44	23.91%	2	10.53%
Andrew Lutomirski	30	16.30%	3	15.79%
Joerg Roedel	17	9.24%	2	10.53%
Jaswinder Singh Rajput	13	7.07%	2	10.53%
Tony Luck	8	4.35%	1	5.26%
H. Peter Anvin	3	1.63%	1	5.26%
Srinivasa D S	3	1.63%	1	5.26%
Tejun Heo	3	1.63%	1	5.26%
Ingo Molnar	2	1.09%	1	5.26%
Greg Kroah-Hartman	1	0.54%	1	5.26%
Total	184		19

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_TRAPS_H
#define _ASM_X86_TRAPS_H

#include <linux/context_tracking_state.h>
#include <linux/kprobes.h>

#include <asm/debugreg.h>
#include <asm/idtentry.h>
#include <asm/siginfo.h>			/* TRAP_TRACE, ... */
#include <asm/trap_pf.h>

#ifdef CONFIG_X86_64
asmlinkage __visible notrace struct pt_regs *sync_regs(struct pt_regs *eregs);
asmlinkage __visible notrace
struct bad_iret_stack *fixup_bad_iret(struct bad_iret_stack *s);
void __init trap_init(void);
asmlinkage __visible noinstr struct pt_regs *vc_switch_off_ist(struct pt_regs *eregs);
#endif

#ifdef CONFIG_X86_F00F_BUG
/* For handling the FOOF bug */
void handle_invalid_op(struct pt_regs *regs);
#endif

static inline int get_si_code(unsigned long condition)
{
	if (condition & DR_STEP)
		return TRAP_TRACE;
	else if (condition & (DR_TRAP0|DR_TRAP1|DR_TRAP2|DR_TRAP3))
		return TRAP_HWBKPT;
	else
		return TRAP_BRKPT;
}

extern int panic_on_unrecovered_nmi;

void math_emulate(struct math_emu_info *);

bool fault_in_kernel_space(unsigned long address);

#ifdef CONFIG_VMAP_STACK
void __noreturn handle_stack_overflow(const char *message,
				      struct pt_regs *regs,
				      unsigned long fault_address);
#endif

#endif /* _ASM_X86_TRAPS_H */