11965aae3SH. Peter Anvin #ifndef _ASM_X86_TRAPS_H 21965aae3SH. Peter Anvin #define _ASM_X86_TRAPS_H 3bb898558SAl Viro 45cec93c2SAndy Lutomirski #include <linux/kprobes.h> 55cec93c2SAndy Lutomirski 6bb898558SAl Viro #include <asm/debugreg.h> 7a2bcd473SIngo Molnar #include <asm/siginfo.h> /* TRAP_TRACE, ... */ 8bb898558SAl Viro 99e1a431dSAndi Kleen #define dotraplinkage __visible 10bb898558SAl Viro 11bb898558SAl Viro asmlinkage void divide_error(void); 12bb898558SAl Viro asmlinkage void debug(void); 13bb898558SAl Viro asmlinkage void nmi(void); 14bb898558SAl Viro asmlinkage void int3(void); 156cac5a92SJeremy Fitzhardinge asmlinkage void xen_debug(void); 166cac5a92SJeremy Fitzhardinge asmlinkage void xen_int3(void); 176cac5a92SJeremy Fitzhardinge asmlinkage void xen_stack_segment(void); 18bb898558SAl Viro asmlinkage void overflow(void); 19bb898558SAl Viro asmlinkage void bounds(void); 20bb898558SAl Viro asmlinkage void invalid_op(void); 21bb898558SAl Viro asmlinkage void device_not_available(void); 22bb898558SAl Viro #ifdef CONFIG_X86_64 23bb898558SAl Viro asmlinkage void double_fault(void); 24bb898558SAl Viro #endif 25bb898558SAl Viro asmlinkage void coprocessor_segment_overrun(void); 26bb898558SAl Viro asmlinkage void invalid_TSS(void); 27bb898558SAl Viro asmlinkage void segment_not_present(void); 28bb898558SAl Viro asmlinkage void stack_segment(void); 29bb898558SAl Viro asmlinkage void general_protection(void); 30bb898558SAl Viro asmlinkage void page_fault(void); 31631bc487SGleb Natapov asmlinkage void async_page_fault(void); 32bb898558SAl Viro asmlinkage void spurious_interrupt_bug(void); 33bb898558SAl Viro asmlinkage void coprocessor_error(void); 34bb898558SAl Viro asmlinkage void alignment_check(void); 35bb898558SAl Viro #ifdef CONFIG_X86_MCE 36bb898558SAl Viro asmlinkage void machine_check(void); 37bb898558SAl Viro #endif /* CONFIG_X86_MCE */ 38bb898558SAl Viro asmlinkage void simd_coprocessor_error(void); 39bb898558SAl Viro 4025c74b10SSeiji Aguchi #ifdef CONFIG_TRACING 4125c74b10SSeiji Aguchi asmlinkage void trace_page_fault(void); 4225c74b10SSeiji Aguchi #define trace_divide_error divide_error 4325c74b10SSeiji Aguchi #define trace_bounds bounds 4425c74b10SSeiji Aguchi #define trace_invalid_op invalid_op 4525c74b10SSeiji Aguchi #define trace_device_not_available device_not_available 4625c74b10SSeiji Aguchi #define trace_coprocessor_segment_overrun coprocessor_segment_overrun 4725c74b10SSeiji Aguchi #define trace_invalid_TSS invalid_TSS 4825c74b10SSeiji Aguchi #define trace_segment_not_present segment_not_present 4925c74b10SSeiji Aguchi #define trace_general_protection general_protection 5025c74b10SSeiji Aguchi #define trace_spurious_interrupt_bug spurious_interrupt_bug 5125c74b10SSeiji Aguchi #define trace_coprocessor_error coprocessor_error 5225c74b10SSeiji Aguchi #define trace_alignment_check alignment_check 5325c74b10SSeiji Aguchi #define trace_simd_coprocessor_error simd_coprocessor_error 5425c74b10SSeiji Aguchi #define trace_async_page_fault async_page_fault 5525c74b10SSeiji Aguchi #endif 5625c74b10SSeiji Aguchi 57bb898558SAl Viro dotraplinkage void do_divide_error(struct pt_regs *, long); 58bb898558SAl Viro dotraplinkage void do_debug(struct pt_regs *, long); 59bb898558SAl Viro dotraplinkage void do_nmi(struct pt_regs *, long); 60bb898558SAl Viro dotraplinkage void do_int3(struct pt_regs *, long); 61bb898558SAl Viro dotraplinkage void do_overflow(struct pt_regs *, long); 62bb898558SAl Viro dotraplinkage void do_bounds(struct pt_regs *, long); 63bb898558SAl Viro dotraplinkage void do_invalid_op(struct pt_regs *, long); 64aa78bcfaSBrian Gerst dotraplinkage void do_device_not_available(struct pt_regs *, long); 65bb898558SAl Viro dotraplinkage void do_coprocessor_segment_overrun(struct pt_regs *, long); 66bb898558SAl Viro dotraplinkage void do_invalid_TSS(struct pt_regs *, long); 67bb898558SAl Viro dotraplinkage void do_segment_not_present(struct pt_regs *, long); 68bb898558SAl Viro dotraplinkage void do_stack_segment(struct pt_regs *, long); 69d1769d54SJaswinder Singh #ifdef CONFIG_X86_64 70d1769d54SJaswinder Singh dotraplinkage void do_double_fault(struct pt_regs *, long); 71d1769d54SJaswinder Singh asmlinkage __kprobes struct pt_regs *sync_regs(struct pt_regs *); 72d1769d54SJaswinder Singh #endif 73bb898558SAl Viro dotraplinkage void do_general_protection(struct pt_regs *, long); 74bb898558SAl Viro dotraplinkage void do_page_fault(struct pt_regs *, unsigned long); 7525c74b10SSeiji Aguchi #ifdef CONFIG_TRACING 7625c74b10SSeiji Aguchi dotraplinkage void trace_do_page_fault(struct pt_regs *, unsigned long); 7765a7f03fSDave Hansen #else 7865a7f03fSDave Hansen static inline void trace_do_page_fault(struct pt_regs *regs, unsigned long error) 7965a7f03fSDave Hansen { 8065a7f03fSDave Hansen do_page_fault(regs, error); 8165a7f03fSDave Hansen } 8225c74b10SSeiji Aguchi #endif 83bb898558SAl Viro dotraplinkage void do_spurious_interrupt_bug(struct pt_regs *, long); 84bb898558SAl Viro dotraplinkage void do_coprocessor_error(struct pt_regs *, long); 85bb898558SAl Viro dotraplinkage void do_alignment_check(struct pt_regs *, long); 86bb898558SAl Viro #ifdef CONFIG_X86_MCE 87bb898558SAl Viro dotraplinkage void do_machine_check(struct pt_regs *, long); 88bb898558SAl Viro #endif 89bb898558SAl Viro dotraplinkage void do_simd_coprocessor_error(struct pt_regs *, long); 90bb898558SAl Viro #ifdef CONFIG_X86_32 91bb898558SAl Viro dotraplinkage void do_iret_error(struct pt_regs *, long); 92bb898558SAl Viro #endif 93bb898558SAl Viro 94bb898558SAl Viro static inline int get_si_code(unsigned long condition) 95bb898558SAl Viro { 96bb898558SAl Viro if (condition & DR_STEP) 97bb898558SAl Viro return TRAP_TRACE; 98bb898558SAl Viro else if (condition & (DR_TRAP0|DR_TRAP1|DR_TRAP2|DR_TRAP3)) 99bb898558SAl Viro return TRAP_HWBKPT; 100bb898558SAl Viro else 101bb898558SAl Viro return TRAP_BRKPT; 102bb898558SAl Viro } 103bb898558SAl Viro 104bb898558SAl Viro extern int panic_on_unrecovered_nmi; 105bb898558SAl Viro 1069b6dba9eSBrian Gerst void math_error(struct pt_regs *, int, int); 107d315760fSTejun Heo void math_emulate(struct math_emu_info *); 108fde0312dSAkinobu Mita #ifndef CONFIG_X86_32 109d1769d54SJaswinder Singh asmlinkage void smp_thermal_interrupt(void); 110d1769d54SJaswinder Singh asmlinkage void mce_threshold_interrupt(void); 111bb898558SAl Viro #endif 112bb898558SAl Viro 113c9408265SKees Cook /* Interrupts/Exceptions */ 114c9408265SKees Cook enum { 115c9408265SKees Cook X86_TRAP_DE = 0, /* 0, Divide-by-zero */ 116c9408265SKees Cook X86_TRAP_DB, /* 1, Debug */ 117c9408265SKees Cook X86_TRAP_NMI, /* 2, Non-maskable Interrupt */ 118c9408265SKees Cook X86_TRAP_BP, /* 3, Breakpoint */ 119c9408265SKees Cook X86_TRAP_OF, /* 4, Overflow */ 120c9408265SKees Cook X86_TRAP_BR, /* 5, Bound Range Exceeded */ 121c9408265SKees Cook X86_TRAP_UD, /* 6, Invalid Opcode */ 122c9408265SKees Cook X86_TRAP_NM, /* 7, Device Not Available */ 123c9408265SKees Cook X86_TRAP_DF, /* 8, Double Fault */ 124c9408265SKees Cook X86_TRAP_OLD_MF, /* 9, Coprocessor Segment Overrun */ 125c9408265SKees Cook X86_TRAP_TS, /* 10, Invalid TSS */ 126c9408265SKees Cook X86_TRAP_NP, /* 11, Segment Not Present */ 127c9408265SKees Cook X86_TRAP_SS, /* 12, Stack Segment Fault */ 128c9408265SKees Cook X86_TRAP_GP, /* 13, General Protection Fault */ 129c9408265SKees Cook X86_TRAP_PF, /* 14, Page Fault */ 130c9408265SKees Cook X86_TRAP_SPURIOUS, /* 15, Spurious Interrupt */ 131c9408265SKees Cook X86_TRAP_MF, /* 16, x87 Floating-Point Exception */ 132c9408265SKees Cook X86_TRAP_AC, /* 17, Alignment Check */ 133c9408265SKees Cook X86_TRAP_MC, /* 18, Machine Check */ 134c9408265SKees Cook X86_TRAP_XF, /* 19, SIMD Floating-Point Exception */ 135c9408265SKees Cook X86_TRAP_IRET = 32, /* 32, IRET Exception */ 136c9408265SKees Cook }; 137c9408265SKees Cook 1381965aae3SH. Peter Anvin #endif /* _ASM_X86_TRAPS_H */ 139