diff options
Diffstat (limited to 'arch/x86/include/asm/kprobes.h')
| -rw-r--r-- | arch/x86/include/asm/kprobes.h | 35 |
1 files changed, 25 insertions, 10 deletions
diff --git a/arch/x86/include/asm/kprobes.h b/arch/x86/include/asm/kprobes.h index 073eb7ad2f56..5939694dfb28 100644 --- a/arch/x86/include/asm/kprobes.h +++ b/arch/x86/include/asm/kprobes.h @@ -49,23 +49,37 @@ extern __visible kprobe_opcode_t optprobe_template_end[]; extern const int kretprobe_blacklist_size; void arch_remove_kprobe(struct kprobe *p); -asmlinkage void kretprobe_trampoline(void); - -extern void arch_kprobe_override_function(struct pt_regs *regs); /* Architecture specific copy of original instruction*/ struct arch_specific_insn { /* copy of the original instruction */ kprobe_opcode_t *insn; /* - * boostable = false: This instruction type is not boostable. - * boostable = true: This instruction has been boosted: we have + * boostable = 0: This instruction type is not boostable. + * boostable = 1: This instruction has been boosted: we have * added a relative jump after the instruction copy in insn, * so no single-step and fixup are needed (unless there's * a post_handler). */ - bool boostable; - bool if_modifier; + unsigned boostable:1; + unsigned char size; /* The size of insn */ + union { + unsigned char opcode; + struct { + unsigned char type; + } jcc; + struct { + unsigned char type; + unsigned char asize; + } loop; + struct { + unsigned char reg; + } indirect; + }; + s32 rel32; /* relative offset must be s32, s16, or s8 */ + void (*emulate_op)(struct kprobe *p, struct pt_regs *regs); + /* Number of bytes of text poked */ + int tp_len; }; struct arch_optimized_insn { @@ -99,10 +113,11 @@ struct kprobe_ctlblk { }; extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr); -extern int kprobe_exceptions_notify(struct notifier_block *self, - unsigned long val, void *data); extern int kprobe_int3_handler(struct pt_regs *regs); -extern int kprobe_debug_handler(struct pt_regs *regs); + +#else + +static inline int kprobe_debug_handler(struct pt_regs *regs) { return 0; } #endif /* CONFIG_KPROBES */ #endif /* _ASM_X86_KPROBES_H */ |