traps.h 4.9 KB

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