1 #ifndef _ASM_X86_TRAPS_H
2 #define _ASM_X86_TRAPS_H
4 #include <linux/context_tracking_state.h>
5 #include <linux/kprobes.h>
7 #include <asm/debugreg.h>
8 #include <asm/siginfo.h> /* TRAP_TRACE, ... */
10 #define dotraplinkage __visible
12 asmlinkage void divide_error(void);
13 asmlinkage void debug(void);
14 asmlinkage void nmi(void);
15 asmlinkage void int3(void);
16 asmlinkage void overflow(void);
17 asmlinkage void bounds(void);
18 asmlinkage void invalid_op(void);
19 asmlinkage void device_not_available(void);
21 asmlinkage void double_fault(void);
23 asmlinkage void coprocessor_segment_overrun(void);
24 asmlinkage void invalid_TSS(void);
25 asmlinkage void segment_not_present(void);
26 asmlinkage void stack_segment(void);
27 asmlinkage void general_protection(void);
28 asmlinkage void page_fault(void);
29 asmlinkage void async_page_fault(void);
30 asmlinkage void spurious_interrupt_bug(void);
31 asmlinkage void coprocessor_error(void);
32 asmlinkage void alignment_check(void);
34 asmlinkage void machine_check(void);
35 #endif /* CONFIG_X86_MCE */
36 asmlinkage void simd_coprocessor_error(void);
38 #if defined(CONFIG_X86_64) && defined(CONFIG_XEN_PV)
39 asmlinkage void xen_divide_error(void);
40 asmlinkage void xen_xendebug(void);
41 asmlinkage void xen_xenint3(void);
42 asmlinkage void xen_nmi(void);
43 asmlinkage void xen_overflow(void);
44 asmlinkage void xen_bounds(void);
45 asmlinkage void xen_invalid_op(void);
46 asmlinkage void xen_device_not_available(void);
47 asmlinkage void xen_double_fault(void);
48 asmlinkage void xen_coprocessor_segment_overrun(void);
49 asmlinkage void xen_invalid_TSS(void);
50 asmlinkage void xen_segment_not_present(void);
51 asmlinkage void xen_stack_segment(void);
52 asmlinkage void xen_general_protection(void);
53 asmlinkage void xen_page_fault(void);
54 asmlinkage void xen_spurious_interrupt_bug(void);
55 asmlinkage void xen_coprocessor_error(void);
56 asmlinkage void xen_alignment_check(void);
58 asmlinkage void xen_machine_check(void);
59 #endif /* CONFIG_X86_MCE */
60 asmlinkage void xen_simd_coprocessor_error(void);
63 dotraplinkage void do_divide_error(struct pt_regs *, long);
64 dotraplinkage void do_debug(struct pt_regs *, long);
65 dotraplinkage void do_nmi(struct pt_regs *, long);
66 dotraplinkage void do_int3(struct pt_regs *, long);
67 dotraplinkage void do_overflow(struct pt_regs *, long);
68 dotraplinkage void do_bounds(struct pt_regs *, long);
69 dotraplinkage void do_invalid_op(struct pt_regs *, long);
70 dotraplinkage void do_device_not_available(struct pt_regs *, long);
71 dotraplinkage void do_coprocessor_segment_overrun(struct pt_regs *, long);
72 dotraplinkage void do_invalid_TSS(struct pt_regs *, long);
73 dotraplinkage void do_segment_not_present(struct pt_regs *, long);
74 dotraplinkage void do_stack_segment(struct pt_regs *, long);
76 dotraplinkage void do_double_fault(struct pt_regs *, long);
77 asmlinkage struct pt_regs *sync_regs(struct pt_regs *);
79 dotraplinkage void do_general_protection(struct pt_regs *, long);
80 dotraplinkage void do_page_fault(struct pt_regs *, unsigned long);
81 dotraplinkage void do_spurious_interrupt_bug(struct pt_regs *, long);
82 dotraplinkage void do_coprocessor_error(struct pt_regs *, long);
83 dotraplinkage void do_alignment_check(struct pt_regs *, long);
85 dotraplinkage void do_machine_check(struct pt_regs *, long);
87 dotraplinkage void do_simd_coprocessor_error(struct pt_regs *, long);
89 dotraplinkage void do_iret_error(struct pt_regs *, long);
92 static inline int get_si_code(unsigned long condition)
94 if (condition & DR_STEP)
96 else if (condition & (DR_TRAP0|DR_TRAP1|DR_TRAP2|DR_TRAP3))
102 extern int panic_on_unrecovered_nmi;
104 void math_emulate(struct math_emu_info *);
105 #ifndef CONFIG_X86_32
106 asmlinkage void smp_thermal_interrupt(void);
107 asmlinkage void smp_threshold_interrupt(void);
108 asmlinkage void smp_deferred_error_interrupt(void);
111 extern void ist_enter(struct pt_regs *regs);
112 extern void ist_exit(struct pt_regs *regs);
113 extern void ist_begin_non_atomic(struct pt_regs *regs);
114 extern void ist_end_non_atomic(void);
116 #ifdef CONFIG_VMAP_STACK
117 void __noreturn handle_stack_overflow(const char *message,
118 struct pt_regs *regs,
119 unsigned long fault_address);
122 /* Interrupts/Exceptions */
124 X86_TRAP_DE = 0, /* 0, Divide-by-zero */
125 X86_TRAP_DB, /* 1, Debug */
126 X86_TRAP_NMI, /* 2, Non-maskable Interrupt */
127 X86_TRAP_BP, /* 3, Breakpoint */
128 X86_TRAP_OF, /* 4, Overflow */
129 X86_TRAP_BR, /* 5, Bound Range Exceeded */
130 X86_TRAP_UD, /* 6, Invalid Opcode */
131 X86_TRAP_NM, /* 7, Device Not Available */
132 X86_TRAP_DF, /* 8, Double Fault */
133 X86_TRAP_OLD_MF, /* 9, Coprocessor Segment Overrun */
134 X86_TRAP_TS, /* 10, Invalid TSS */
135 X86_TRAP_NP, /* 11, Segment Not Present */
136 X86_TRAP_SS, /* 12, Stack Segment Fault */
137 X86_TRAP_GP, /* 13, General Protection Fault */
138 X86_TRAP_PF, /* 14, Page Fault */
139 X86_TRAP_SPURIOUS, /* 15, Spurious Interrupt */
140 X86_TRAP_MF, /* 16, x87 Floating-Point Exception */
141 X86_TRAP_AC, /* 17, Alignment Check */
142 X86_TRAP_MC, /* 18, Machine Check */
143 X86_TRAP_XF, /* 19, SIMD Floating-Point Exception */
144 X86_TRAP_IRET = 32, /* 32, IRET Exception */
147 #endif /* _ASM_X86_TRAPS_H */