arch/x86/include/asm/kdebug.h

Source file repositories/reference/linux-study-clean/arch/x86/include/asm/kdebug.h

File Facts

System
Linux kernel
Corpus path
arch/x86/include/asm/kdebug.h
Extension
.h
Size
1087 bytes
Lines
46
Domain
Architecture Layer
Bucket
arch/x86
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _ASM_X86_KDEBUG_H
#define _ASM_X86_KDEBUG_H

#include <linux/notifier.h>

struct pt_regs;

/* Grossly misnamed. */
enum die_val {
	DIE_OOPS = 1,
	DIE_INT3,
	DIE_DEBUG,
	DIE_PANIC,
	DIE_NMI,
	DIE_DIE,
	DIE_KERNELDEBUG,
	DIE_TRAP,
	DIE_GPF,
	DIE_CALL,
	DIE_PAGE_FAULT,
	DIE_NMIUNKNOWN,
};

enum show_regs_mode {
	SHOW_REGS_SHORT,
	/*
	 * For when userspace crashed, but we don't think it's our fault, and
	 * therefore don't print kernel registers.
	 */
	SHOW_REGS_USER,
	SHOW_REGS_ALL
};

extern void die(const char *, struct pt_regs *,long);
void die_addr(const char *str, struct pt_regs *regs, long err, long gp_addr);
extern int __must_check __die(const char *, struct pt_regs *, long);
extern void show_stack_regs(struct pt_regs *regs);
extern void __show_regs(struct pt_regs *regs, enum show_regs_mode,
			const char *log_lvl);
extern void show_iret_regs(struct pt_regs *regs, const char *log_lvl);
extern unsigned long oops_begin(void);
extern void oops_end(unsigned long, struct pt_regs *, int signr);

#endif /* _ASM_X86_KDEBUG_H */

Annotation

Implementation Notes