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 11 asmlinkage void divide_error(void); 12 asmlinkage void debug(void); 13 asmlinkage void nmi(void); 14 asmlinkage void int3(void); 15 asmlinkage void xen_debug(void); 16 asmlinkage void xen_int3(void); 17 asmlinkage void xen_stack_segment(void); 18 asmlinkage void overflow(void); 19 asmlinkage void bounds(void); 20 asmlinkage void invalid_op(void); 21 asmlinkage void device_not_available(void); 22 #ifdef CONFIG_X86_64 23 asmlinkage void double_fault(void); 24 #endif 25 asmlinkage void coprocessor_segment_overrun(void); 26 asmlinkage void invalid_TSS(void); 27 asmlinkage void segment_not_present(void); 28 asmlinkage void stack_segment(void); 29 asmlinkage void general_protection(void); 30 asmlinkage void page_fault(void); 31 asmlinkage void async_page_fault(void); 32 asmlinkage void spurious_interrupt_bug(void); 33 asmlinkage void coprocessor_error(void); 34 asmlinkage void alignment_check(void); 35 #ifdef CONFIG_X86_MCE 36 asmlinkage void machine_check(void); 37 #endif /* CONFIG_X86_MCE */ 38 asmlinkage void simd_coprocessor_error(void); 39 40 #ifdef CONFIG_TRACING 41 asmlinkage void trace_page_fault(void); 42 #define trace_divide_error divide_error 43 #define trace_bounds bounds 44 #define trace_invalid_op invalid_op 45 #define trace_device_not_available device_not_available 46 #define trace_coprocessor_segment_overrun coprocessor_segment_overrun 47 #define trace_invalid_TSS invalid_TSS 48 #define trace_segment_not_present segment_not_present 49 #define trace_general_protection general_protection 50 #define trace_spurious_interrupt_bug spurious_interrupt_bug 51 #define trace_coprocessor_error coprocessor_error 52 #define trace_alignment_check alignment_check 53 #define trace_simd_coprocessor_error simd_coprocessor_error 54 #define trace_async_page_fault async_page_fault 55 #endif 56 57 dotraplinkage void do_divide_error(struct pt_regs *, long); 58 dotraplinkage void do_debug(struct pt_regs *, long); 59 dotraplinkage void do_nmi(struct pt_regs *, long); 60 dotraplinkage void do_int3(struct pt_regs *, long); 61 dotraplinkage void do_overflow(struct pt_regs *, long); 62 dotraplinkage void do_bounds(struct pt_regs *, long); 63 dotraplinkage void do_invalid_op(struct pt_regs *, long); 64 dotraplinkage void do_device_not_available(struct pt_regs *, long); 65 dotraplinkage void do_coprocessor_segment_overrun(struct pt_regs *, long); 66 dotraplinkage void do_invalid_TSS(struct pt_regs *, long); 67 dotraplinkage void do_segment_not_present(struct pt_regs *, long); 68 dotraplinkage void do_stack_segment(struct pt_regs *, long); 69 #ifdef CONFIG_X86_64 70 dotraplinkage void do_double_fault(struct pt_regs *, long); 71 asmlinkage __kprobes struct pt_regs *sync_regs(struct pt_regs *); 72 #endif 73 dotraplinkage void do_general_protection(struct pt_regs *, long); 74 dotraplinkage void do_page_fault(struct pt_regs *, unsigned long); 75 #ifdef CONFIG_TRACING 76 dotraplinkage void trace_do_page_fault(struct pt_regs *, unsigned long); 77 #endif 78 dotraplinkage void do_spurious_interrupt_bug(struct pt_regs *, long); 79 dotraplinkage void do_coprocessor_error(struct pt_regs *, long); 80 dotraplinkage void do_alignment_check(struct pt_regs *, long); 81 #ifdef CONFIG_X86_MCE 82 dotraplinkage void do_machine_check(struct pt_regs *, long); 83 #endif 84 dotraplinkage void do_simd_coprocessor_error(struct pt_regs *, long); 85 #ifdef CONFIG_X86_32 86 dotraplinkage void do_iret_error(struct pt_regs *, long); 87 #endif 88 89 static inline int get_si_code(unsigned long condition) 90 { 91 if (condition & DR_STEP) 92 return TRAP_TRACE; 93 else if (condition & (DR_TRAP0|DR_TRAP1|DR_TRAP2|DR_TRAP3)) 94 return TRAP_HWBKPT; 95 else 96 return TRAP_BRKPT; 97 } 98 99 extern int panic_on_unrecovered_nmi; 100 101 void math_error(struct pt_regs *, int, int); 102 void math_emulate(struct math_emu_info *); 103 #ifndef CONFIG_X86_32 104 asmlinkage void smp_thermal_interrupt(void); 105 asmlinkage void mce_threshold_interrupt(void); 106 #endif 107 108 /* Interrupts/Exceptions */ 109 enum { 110 X86_TRAP_DE = 0, /* 0, Divide-by-zero */ 111 X86_TRAP_DB, /* 1, Debug */ 112 X86_TRAP_NMI, /* 2, Non-maskable Interrupt */ 113 X86_TRAP_BP, /* 3, Breakpoint */ 114 X86_TRAP_OF, /* 4, Overflow */ 115 X86_TRAP_BR, /* 5, Bound Range Exceeded */ 116 X86_TRAP_UD, /* 6, Invalid Opcode */ 117 X86_TRAP_NM, /* 7, Device Not Available */ 118 X86_TRAP_DF, /* 8, Double Fault */ 119 X86_TRAP_OLD_MF, /* 9, Coprocessor Segment Overrun */ 120 X86_TRAP_TS, /* 10, Invalid TSS */ 121 X86_TRAP_NP, /* 11, Segment Not Present */ 122 X86_TRAP_SS, /* 12, Stack Segment Fault */ 123 X86_TRAP_GP, /* 13, General Protection Fault */ 124 X86_TRAP_PF, /* 14, Page Fault */ 125 X86_TRAP_SPURIOUS, /* 15, Spurious Interrupt */ 126 X86_TRAP_MF, /* 16, x87 Floating-Point Exception */ 127 X86_TRAP_AC, /* 17, Alignment Check */ 128 X86_TRAP_MC, /* 18, Machine Check */ 129 X86_TRAP_XF, /* 19, SIMD Floating-Point Exception */ 130 X86_TRAP_IRET = 32, /* 32, IRET Exception */ 131 }; 132 133 #endif /* _ASM_X86_TRAPS_H */ 134