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 #ifdef CONFIG_X86_32 10 #define dotraplinkage 11 #else 12 #define dotraplinkage asmlinkage 13 #endif 14 15 asmlinkage void divide_error(void); 16 asmlinkage void debug(void); 17 asmlinkage void nmi(void); 18 asmlinkage void int3(void); 19 asmlinkage void xen_debug(void); 20 asmlinkage void xen_int3(void); 21 asmlinkage void xen_stack_segment(void); 22 asmlinkage void overflow(void); 23 asmlinkage void bounds(void); 24 asmlinkage void invalid_op(void); 25 asmlinkage void device_not_available(void); 26 #ifdef CONFIG_X86_64 27 asmlinkage void double_fault(void); 28 #endif 29 asmlinkage void coprocessor_segment_overrun(void); 30 asmlinkage void invalid_TSS(void); 31 asmlinkage void segment_not_present(void); 32 asmlinkage void stack_segment(void); 33 asmlinkage void general_protection(void); 34 asmlinkage void page_fault(void); 35 asmlinkage void async_page_fault(void); 36 asmlinkage void spurious_interrupt_bug(void); 37 asmlinkage void coprocessor_error(void); 38 asmlinkage void alignment_check(void); 39 #ifdef CONFIG_X86_MCE 40 asmlinkage void machine_check(void); 41 #endif /* CONFIG_X86_MCE */ 42 asmlinkage void simd_coprocessor_error(void); 43 44 dotraplinkage void do_divide_error(struct pt_regs *, long); 45 dotraplinkage void do_debug(struct pt_regs *, long); 46 dotraplinkage void do_nmi(struct pt_regs *, long); 47 dotraplinkage void do_int3(struct pt_regs *, long); 48 dotraplinkage void do_overflow(struct pt_regs *, long); 49 dotraplinkage void do_bounds(struct pt_regs *, long); 50 dotraplinkage void do_invalid_op(struct pt_regs *, long); 51 dotraplinkage void do_device_not_available(struct pt_regs *, long); 52 dotraplinkage void do_coprocessor_segment_overrun(struct pt_regs *, long); 53 dotraplinkage void do_invalid_TSS(struct pt_regs *, long); 54 dotraplinkage void do_segment_not_present(struct pt_regs *, long); 55 dotraplinkage void do_stack_segment(struct pt_regs *, long); 56 #ifdef CONFIG_X86_64 57 dotraplinkage void do_double_fault(struct pt_regs *, long); 58 asmlinkage __kprobes struct pt_regs *sync_regs(struct pt_regs *); 59 #endif 60 dotraplinkage void do_general_protection(struct pt_regs *, long); 61 dotraplinkage void do_page_fault(struct pt_regs *, unsigned long); 62 dotraplinkage void do_spurious_interrupt_bug(struct pt_regs *, long); 63 dotraplinkage void do_coprocessor_error(struct pt_regs *, long); 64 dotraplinkage void do_alignment_check(struct pt_regs *, long); 65 #ifdef CONFIG_X86_MCE 66 dotraplinkage void do_machine_check(struct pt_regs *, long); 67 #endif 68 dotraplinkage void do_simd_coprocessor_error(struct pt_regs *, long); 69 #ifdef CONFIG_X86_32 70 dotraplinkage void do_iret_error(struct pt_regs *, long); 71 #endif 72 73 static inline int get_si_code(unsigned long condition) 74 { 75 if (condition & DR_STEP) 76 return TRAP_TRACE; 77 else if (condition & (DR_TRAP0|DR_TRAP1|DR_TRAP2|DR_TRAP3)) 78 return TRAP_HWBKPT; 79 else 80 return TRAP_BRKPT; 81 } 82 83 extern int panic_on_unrecovered_nmi; 84 85 void math_error(struct pt_regs *, int, int); 86 void math_emulate(struct math_emu_info *); 87 #ifndef CONFIG_X86_32 88 asmlinkage void smp_thermal_interrupt(void); 89 asmlinkage void mce_threshold_interrupt(void); 90 #endif 91 92 /* Interrupts/Exceptions */ 93 enum { 94 X86_TRAP_DE = 0, /* 0, Divide-by-zero */ 95 X86_TRAP_DB, /* 1, Debug */ 96 X86_TRAP_NMI, /* 2, Non-maskable Interrupt */ 97 X86_TRAP_BP, /* 3, Breakpoint */ 98 X86_TRAP_OF, /* 4, Overflow */ 99 X86_TRAP_BR, /* 5, Bound Range Exceeded */ 100 X86_TRAP_UD, /* 6, Invalid Opcode */ 101 X86_TRAP_NM, /* 7, Device Not Available */ 102 X86_TRAP_DF, /* 8, Double Fault */ 103 X86_TRAP_OLD_MF, /* 9, Coprocessor Segment Overrun */ 104 X86_TRAP_TS, /* 10, Invalid TSS */ 105 X86_TRAP_NP, /* 11, Segment Not Present */ 106 X86_TRAP_SS, /* 12, Stack Segment Fault */ 107 X86_TRAP_GP, /* 13, General Protection Fault */ 108 X86_TRAP_PF, /* 14, Page Fault */ 109 X86_TRAP_SPURIOUS, /* 15, Spurious Interrupt */ 110 X86_TRAP_MF, /* 16, x87 Floating-Point Exception */ 111 X86_TRAP_AC, /* 17, Alignment Check */ 112 X86_TRAP_MC, /* 18, Machine Check */ 113 X86_TRAP_XF, /* 19, SIMD Floating-Point Exception */ 114 X86_TRAP_IRET = 32, /* 32, IRET Exception */ 115 }; 116 117 #endif /* _ASM_X86_TRAPS_H */ 118