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Linux kernel mirror (for testing)
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kernel
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linux
1#ifndef _ASM_X86_TRAPS_H
2#define _ASM_X86_TRAPS_H
3
4#include <linux/kprobes.h>
5
6#include <asm/debugreg.h>
7#include <asm/siginfo.h> /* TRAP_TRACE, ... */
8
9#define dotraplinkage __visible
10
11asmlinkage void divide_error(void);
12asmlinkage void debug(void);
13asmlinkage void nmi(void);
14asmlinkage void int3(void);
15asmlinkage void xen_debug(void);
16asmlinkage void xen_int3(void);
17asmlinkage void xen_stack_segment(void);
18asmlinkage void overflow(void);
19asmlinkage void bounds(void);
20asmlinkage void invalid_op(void);
21asmlinkage void device_not_available(void);
22#ifdef CONFIG_X86_64
23asmlinkage void double_fault(void);
24#endif
25asmlinkage void coprocessor_segment_overrun(void);
26asmlinkage void invalid_TSS(void);
27asmlinkage void segment_not_present(void);
28asmlinkage void stack_segment(void);
29asmlinkage void general_protection(void);
30asmlinkage void page_fault(void);
31asmlinkage void async_page_fault(void);
32asmlinkage void spurious_interrupt_bug(void);
33asmlinkage void coprocessor_error(void);
34asmlinkage void alignment_check(void);
35#ifdef CONFIG_X86_MCE
36asmlinkage void machine_check(void);
37#endif /* CONFIG_X86_MCE */
38asmlinkage void simd_coprocessor_error(void);
39
40dotraplinkage void do_divide_error(struct pt_regs *, long);
41dotraplinkage void do_debug(struct pt_regs *, long);
42dotraplinkage void do_nmi(struct pt_regs *, long);
43dotraplinkage void do_int3(struct pt_regs *, long);
44dotraplinkage void do_overflow(struct pt_regs *, long);
45dotraplinkage void do_bounds(struct pt_regs *, long);
46dotraplinkage void do_invalid_op(struct pt_regs *, long);
47dotraplinkage void do_device_not_available(struct pt_regs *, long);
48dotraplinkage void do_coprocessor_segment_overrun(struct pt_regs *, long);
49dotraplinkage void do_invalid_TSS(struct pt_regs *, long);
50dotraplinkage void do_segment_not_present(struct pt_regs *, long);
51dotraplinkage void do_stack_segment(struct pt_regs *, long);
52#ifdef CONFIG_X86_64
53dotraplinkage void do_double_fault(struct pt_regs *, long);
54asmlinkage __kprobes struct pt_regs *sync_regs(struct pt_regs *);
55#endif
56dotraplinkage void do_general_protection(struct pt_regs *, long);
57dotraplinkage void do_page_fault(struct pt_regs *, unsigned long);
58dotraplinkage void do_spurious_interrupt_bug(struct pt_regs *, long);
59dotraplinkage void do_coprocessor_error(struct pt_regs *, long);
60dotraplinkage void do_alignment_check(struct pt_regs *, long);
61#ifdef CONFIG_X86_MCE
62dotraplinkage void do_machine_check(struct pt_regs *, long);
63#endif
64dotraplinkage void do_simd_coprocessor_error(struct pt_regs *, long);
65#ifdef CONFIG_X86_32
66dotraplinkage void do_iret_error(struct pt_regs *, long);
67#endif
68
69static inline int get_si_code(unsigned long condition)
70{
71 if (condition & DR_STEP)
72 return TRAP_TRACE;
73 else if (condition & (DR_TRAP0|DR_TRAP1|DR_TRAP2|DR_TRAP3))
74 return TRAP_HWBKPT;
75 else
76 return TRAP_BRKPT;
77}
78
79extern int panic_on_unrecovered_nmi;
80
81void math_error(struct pt_regs *, int, int);
82void math_emulate(struct math_emu_info *);
83#ifndef CONFIG_X86_32
84asmlinkage void smp_thermal_interrupt(void);
85asmlinkage void mce_threshold_interrupt(void);
86#endif
87
88/* Interrupts/Exceptions */
89enum {
90 X86_TRAP_DE = 0, /* 0, Divide-by-zero */
91 X86_TRAP_DB, /* 1, Debug */
92 X86_TRAP_NMI, /* 2, Non-maskable Interrupt */
93 X86_TRAP_BP, /* 3, Breakpoint */
94 X86_TRAP_OF, /* 4, Overflow */
95 X86_TRAP_BR, /* 5, Bound Range Exceeded */
96 X86_TRAP_UD, /* 6, Invalid Opcode */
97 X86_TRAP_NM, /* 7, Device Not Available */
98 X86_TRAP_DF, /* 8, Double Fault */
99 X86_TRAP_OLD_MF, /* 9, Coprocessor Segment Overrun */
100 X86_TRAP_TS, /* 10, Invalid TSS */
101 X86_TRAP_NP, /* 11, Segment Not Present */
102 X86_TRAP_SS, /* 12, Stack Segment Fault */
103 X86_TRAP_GP, /* 13, General Protection Fault */
104 X86_TRAP_PF, /* 14, Page Fault */
105 X86_TRAP_SPURIOUS, /* 15, Spurious Interrupt */
106 X86_TRAP_MF, /* 16, x87 Floating-Point Exception */
107 X86_TRAP_AC, /* 17, Alignment Check */
108 X86_TRAP_MC, /* 18, Machine Check */
109 X86_TRAP_XF, /* 19, SIMD Floating-Point Exception */
110 X86_TRAP_IRET = 32, /* 32, IRET Exception */
111};
112
113#endif /* _ASM_X86_TRAPS_H */