LXR linux/arch/x86/include/asm/traps.h

   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 */
 114