[deliverable/linux.git] / arch / x86 / include / asm / traps.h

#ifndef _ASM_X86_TRAPS_H
#define _ASM_X86_TRAPS_H

#include <linux/kprobes.h>

#include <asm/debugreg.h>
#include <asm/siginfo.h>			/* TRAP_TRACE, ... */

#define dotraplinkage __visible

asmlinkage void divide_error(void);
asmlinkage void debug(void);
asmlinkage void nmi(void);
asmlinkage void int3(void);
asmlinkage void xen_debug(void);
asmlinkage void xen_int3(void);
asmlinkage void xen_stack_segment(void);
asmlinkage void overflow(void);
asmlinkage void bounds(void);
asmlinkage void invalid_op(void);
asmlinkage void device_not_available(void);
#ifdef CONFIG_X86_64
asmlinkage void double_fault(void);
#endif
asmlinkage void coprocessor_segment_overrun(void);
asmlinkage void invalid_TSS(void);
asmlinkage void segment_not_present(void);
asmlinkage void stack_segment(void);
asmlinkage void general_protection(void);
asmlinkage void page_fault(void);
asmlinkage void async_page_fault(void);
asmlinkage void spurious_interrupt_bug(void);
asmlinkage void coprocessor_error(void);
asmlinkage void alignment_check(void);
#ifdef CONFIG_X86_MCE
asmlinkage void machine_check(void);
#endif /* CONFIG_X86_MCE */
asmlinkage void simd_coprocessor_error(void);

#ifdef CONFIG_TRACING
asmlinkage void trace_page_fault(void);
#define trace_divide_error divide_error
#define trace_bounds bounds
#define trace_invalid_op invalid_op
#define trace_device_not_available device_not_available
#define trace_coprocessor_segment_overrun coprocessor_segment_overrun
#define trace_invalid_TSS invalid_TSS
#define trace_segment_not_present segment_not_present
#define trace_general_protection general_protection
#define trace_spurious_interrupt_bug spurious_interrupt_bug
#define trace_coprocessor_error coprocessor_error
#define trace_alignment_check alignment_check
#define trace_simd_coprocessor_error simd_coprocessor_error
#define trace_async_page_fault async_page_fault
#endif

dotraplinkage void do_divide_error(struct pt_regs *, long);
dotraplinkage void do_debug(struct pt_regs *, long);
dotraplinkage void do_nmi(struct pt_regs *, long);
dotraplinkage void do_int3(struct pt_regs *, long);
dotraplinkage void do_overflow(struct pt_regs *, long);
dotraplinkage void do_bounds(struct pt_regs *, long);
dotraplinkage void do_invalid_op(struct pt_regs *, long);
dotraplinkage void do_device_not_available(struct pt_regs *, long);
dotraplinkage void do_coprocessor_segment_overrun(struct pt_regs *, long);
dotraplinkage void do_invalid_TSS(struct pt_regs *, long);
dotraplinkage void do_segment_not_present(struct pt_regs *, long);
dotraplinkage void do_stack_segment(struct pt_regs *, long);
#ifdef CONFIG_X86_64
dotraplinkage void do_double_fault(struct pt_regs *, long);
asmlinkage struct pt_regs *sync_regs(struct pt_regs *);
#endif
dotraplinkage void do_general_protection(struct pt_regs *, long);
dotraplinkage void do_page_fault(struct pt_regs *, unsigned long);
#ifdef CONFIG_TRACING
dotraplinkage void trace_do_page_fault(struct pt_regs *, unsigned long);
#else
static inline void trace_do_page_fault(struct pt_regs *regs, unsigned long error)
{
	do_page_fault(regs, error);
}
#endif
dotraplinkage void do_spurious_interrupt_bug(struct pt_regs *, long);
dotraplinkage void do_coprocessor_error(struct pt_regs *, long);
dotraplinkage void do_alignment_check(struct pt_regs *, long);
#ifdef CONFIG_X86_MCE
dotraplinkage void do_machine_check(struct pt_regs *, long);
#endif
dotraplinkage void do_simd_coprocessor_error(struct pt_regs *, long);
#ifdef CONFIG_X86_32
dotraplinkage void do_iret_error(struct pt_regs *, long);
#endif

static inline int get_si_code(unsigned long condition)
{
	if (condition & DR_STEP)
		return TRAP_TRACE;
	else if (condition & (DR_TRAP0|DR_TRAP1|DR_TRAP2|DR_TRAP3))
		return TRAP_HWBKPT;
	else
		return TRAP_BRKPT;
}

extern int panic_on_unrecovered_nmi;

void math_emulate(struct math_emu_info *);
#ifndef CONFIG_X86_32
asmlinkage void smp_thermal_interrupt(void);
asmlinkage void mce_threshold_interrupt(void);
#endif

/* Interrupts/Exceptions */
enum {
	X86_TRAP_DE = 0,	/*  0, Divide-by-zero */
	X86_TRAP_DB,		/*  1, Debug */
	X86_TRAP_NMI,		/*  2, Non-maskable Interrupt */
	X86_TRAP_BP,		/*  3, Breakpoint */
	X86_TRAP_OF,		/*  4, Overflow */
	X86_TRAP_BR,		/*  5, Bound Range Exceeded */
	X86_TRAP_UD,		/*  6, Invalid Opcode */
	X86_TRAP_NM,		/*  7, Device Not Available */
	X86_TRAP_DF,		/*  8, Double Fault */
	X86_TRAP_OLD_MF,	/*  9, Coprocessor Segment Overrun */
	X86_TRAP_TS,		/* 10, Invalid TSS */
	X86_TRAP_NP,		/* 11, Segment Not Present */
	X86_TRAP_SS,		/* 12, Stack Segment Fault */
	X86_TRAP_GP,		/* 13, General Protection Fault */
	X86_TRAP_PF,		/* 14, Page Fault */
	X86_TRAP_SPURIOUS,	/* 15, Spurious Interrupt */
	X86_TRAP_MF,		/* 16, x87 Floating-Point Exception */
	X86_TRAP_AC,		/* 17, Alignment Check */
	X86_TRAP_MC,		/* 18, Machine Check */
	X86_TRAP_XF,		/* 19, SIMD Floating-Point Exception */
	X86_TRAP_IRET = 32,	/* 32, IRET Exception */
};

#endif /* _ASM_X86_TRAPS_H */
Commit	Line	Data
1965aae3 PA	1	#ifndef _ASM_X86_TRAPS_H
1965aae3 PA	2	#define _ASM_X86_TRAPS_H
6ac8d51f	3
5cec93c2 AL	4	#include <linux/kprobes.h>
5cec93c2 AL	5
e8d3f455	6	#include <asm/debugreg.h>
a2bcd473	7	#include <asm/siginfo.h> /* TRAP_TRACE, ... */
e8d3f455	8
9e1a431d	9	#define dotraplinkage __visible
e407d620	10
6ac8d51f JS	11	asmlinkage void divide_error(void);
	12	asmlinkage void debug(void);
	13	asmlinkage void nmi(void);
	14	asmlinkage void int3(void);
6cac5a92 JF	15	asmlinkage void xen_debug(void);
	16	asmlinkage void xen_int3(void);
	17	asmlinkage void xen_stack_segment(void);
6ac8d51f JS	18	asmlinkage void overflow(void);
	19	asmlinkage void bounds(void);
	20	asmlinkage void invalid_op(void);
	21	asmlinkage void device_not_available(void);
e407d620 AH	22	#ifdef CONFIG_X86_64
	23	asmlinkage void double_fault(void);
	24	#endif
6ac8d51f JS	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);
631bc487	31	asmlinkage void async_page_fault(void);
e407d620	32	asmlinkage void spurious_interrupt_bug(void);
6ac8d51f	33	asmlinkage void coprocessor_error(void);
6ac8d51f	34	asmlinkage void alignment_check(void);
6ac8d51f JS	35	#ifdef CONFIG_X86_MCE
	36	asmlinkage void machine_check(void);
	37	#endif /* CONFIG_X86_MCE */
e407d620	38	asmlinkage void simd_coprocessor_error(void);
6ac8d51f	39
25c74b10 SA	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
e407d620 AH	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);
aa78bcfa	64	dotraplinkage void do_device_not_available(struct pt_regs *, long);
e407d620 AH	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);
d1769d54 JS	69	#ifdef CONFIG_X86_64
d1769d54 JS	70	dotraplinkage void do_double_fault(struct pt_regs *, long);
9326638c	71	asmlinkage struct pt_regs sync_regs(struct pt_regs );
d1769d54	72	#endif
e407d620 AH	73	dotraplinkage void do_general_protection(struct pt_regs *, long);
e407d620 AH	74	dotraplinkage void do_page_fault(struct pt_regs *, unsigned long);
25c74b10 SA	75	#ifdef CONFIG_TRACING
25c74b10 SA	76	dotraplinkage void trace_do_page_fault(struct pt_regs *, unsigned long);
65a7f03f DH	77	#else
	78	static inline void trace_do_page_fault(struct pt_regs *regs, unsigned long error)
	79	{
	80	do_page_fault(regs, error);
	81	}
25c74b10	82	#endif
e407d620 AH	83	dotraplinkage void do_spurious_interrupt_bug(struct pt_regs *, long);
	84	dotraplinkage void do_coprocessor_error(struct pt_regs *, long);
	85	dotraplinkage void do_alignment_check(struct pt_regs *, long);
	86	#ifdef CONFIG_X86_MCE
	87	dotraplinkage void do_machine_check(struct pt_regs *, long);
	88	#endif
	89	dotraplinkage void do_simd_coprocessor_error(struct pt_regs *, long);
	90	#ifdef CONFIG_X86_32
	91	dotraplinkage void do_iret_error(struct pt_regs *, long);
	92	#endif
6ac8d51f	93
da654b74 SD	94	static inline int get_si_code(unsigned long condition)
	95	{
	96	if (condition & DR_STEP)
	97	return TRAP_TRACE;
	98	else if (condition & (DR_TRAP0\|DR_TRAP1\|DR_TRAP2\|DR_TRAP3))
	99	return TRAP_HWBKPT;
	100	else
	101	return TRAP_BRKPT;
	102	}
	103
6ac8d51f	104	extern int panic_on_unrecovered_nmi;
6ac8d51f	105
d315760f	106	void math_emulate(struct math_emu_info *);
fde0312d	107	#ifndef CONFIG_X86_32
d1769d54 JS	108	asmlinkage void smp_thermal_interrupt(void);
d1769d54 JS	109	asmlinkage void mce_threshold_interrupt(void);
e407d620	110	#endif
6ac8d51f	111
c9408265 KC	112	/* Interrupts/Exceptions */
	113	enum {
	114	X86_TRAP_DE = 0, /* 0, Divide-by-zero */
	115	X86_TRAP_DB, /* 1, Debug */
	116	X86_TRAP_NMI, /* 2, Non-maskable Interrupt */
	117	X86_TRAP_BP, /* 3, Breakpoint */
	118	X86_TRAP_OF, /* 4, Overflow */
	119	X86_TRAP_BR, /* 5, Bound Range Exceeded */
	120	X86_TRAP_UD, /* 6, Invalid Opcode */
	121	X86_TRAP_NM, /* 7, Device Not Available */
	122	X86_TRAP_DF, /* 8, Double Fault */
	123	X86_TRAP_OLD_MF, /* 9, Coprocessor Segment Overrun */
	124	X86_TRAP_TS, /* 10, Invalid TSS */
	125	X86_TRAP_NP, /* 11, Segment Not Present */
	126	X86_TRAP_SS, /* 12, Stack Segment Fault */
	127	X86_TRAP_GP, /* 13, General Protection Fault */
	128	X86_TRAP_PF, /* 14, Page Fault */
	129	X86_TRAP_SPURIOUS, /* 15, Spurious Interrupt */
	130	X86_TRAP_MF, /* 16, x87 Floating-Point Exception */
	131	X86_TRAP_AC, /* 17, Alignment Check */
	132	X86_TRAP_MC, /* 18, Machine Check */
	133	X86_TRAP_XF, /* 19, SIMD Floating-Point Exception */
	134	X86_TRAP_IRET = 32, /* 32, IRET Exception */
	135	};
	136
1965aae3	137	#endif /* _ASM_X86_TRAPS_H */