Contributors: 18
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Jaswinder Singh Rajput |
352 |
41.12% |
3 |
11.54% |
| Juergen Gross |
159 |
18.57% |
2 |
7.69% |
| Alexander van Heukelum |
104 |
12.15% |
2 |
7.69% |
| Kees Cook |
72 |
8.41% |
1 |
3.85% |
| Andrew Lutomirski |
67 |
7.83% |
5 |
19.23% |
| Ricardo Neri |
41 |
4.79% |
1 |
3.85% |
| Jeremy Fitzhardinge |
16 |
1.87% |
1 |
3.85% |
| Thomas Gleixner |
11 |
1.29% |
1 |
3.85% |
| Aravind Gopalakrishnan |
8 |
0.93% |
1 |
3.85% |
| Gleb Natapov |
6 |
0.70% |
1 |
3.85% |
| Ingo Molnar |
4 |
0.47% |
1 |
3.85% |
| H. Peter Anvin |
3 |
0.35% |
1 |
3.85% |
| Brian Gerst |
3 |
0.35% |
1 |
3.85% |
| Srinivasa D S |
3 |
0.35% |
1 |
3.85% |
| Tejun Heo |
3 |
0.35% |
1 |
3.85% |
| Akinobu Mita |
2 |
0.23% |
1 |
3.85% |
| Greg Kroah-Hartman |
1 |
0.12% |
1 |
3.85% |
| Andi Kleen |
1 |
0.12% |
1 |
3.85% |
| Total |
856 |
|
26 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_TRAPS_H
#define _ASM_X86_TRAPS_H
#include <linux/context_tracking_state.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 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);
#if defined(CONFIG_X86_64) && defined(CONFIG_XEN_PV)
asmlinkage void xen_divide_error(void);
asmlinkage void xen_xennmi(void);
asmlinkage void xen_xendebug(void);
asmlinkage void xen_xenint3(void);
asmlinkage void xen_overflow(void);
asmlinkage void xen_bounds(void);
asmlinkage void xen_invalid_op(void);
asmlinkage void xen_device_not_available(void);
asmlinkage void xen_double_fault(void);
asmlinkage void xen_coprocessor_segment_overrun(void);
asmlinkage void xen_invalid_TSS(void);
asmlinkage void xen_segment_not_present(void);
asmlinkage void xen_stack_segment(void);
asmlinkage void xen_general_protection(void);
asmlinkage void xen_page_fault(void);
asmlinkage void xen_spurious_interrupt_bug(void);
asmlinkage void xen_coprocessor_error(void);
asmlinkage void xen_alignment_check(void);
#ifdef CONFIG_X86_MCE
asmlinkage void xen_machine_check(void);
#endif /* CONFIG_X86_MCE */
asmlinkage void xen_simd_coprocessor_error(void);
#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);
#endif
dotraplinkage void do_general_protection(struct pt_regs *, long);
dotraplinkage void do_page_fault(struct pt_regs *, unsigned long);
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
dotraplinkage void do_mce(struct pt_regs *, long);
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 smp_threshold_interrupt(void);
asmlinkage void smp_deferred_error_interrupt(void);
#endif
extern void ist_enter(struct pt_regs *regs);
extern void ist_exit(struct pt_regs *regs);
extern void ist_begin_non_atomic(struct pt_regs *regs);
extern void ist_end_non_atomic(void);
#ifdef CONFIG_VMAP_STACK
void __noreturn handle_stack_overflow(const char *message,
struct pt_regs *regs,
unsigned long fault_address);
#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 */
};
/*
* Page fault error code bits:
*
* bit 0 == 0: no page found 1: protection fault
* bit 1 == 0: read access 1: write access
* bit 2 == 0: kernel-mode access 1: user-mode access
* bit 3 == 1: use of reserved bit detected
* bit 4 == 1: fault was an instruction fetch
* bit 5 == 1: protection keys block access
*/
enum x86_pf_error_code {
X86_PF_PROT = 1 << 0,
X86_PF_WRITE = 1 << 1,
X86_PF_USER = 1 << 2,
X86_PF_RSVD = 1 << 3,
X86_PF_INSTR = 1 << 4,
X86_PF_PK = 1 << 5,
};
#endif /* _ASM_X86_TRAPS_H */