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Diffstat (limited to 'include/asm-x86/kprobes_64.h')
| -rw-r--r-- | include/asm-x86/kprobes_64.h | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/include/asm-x86/kprobes_64.h b/include/asm-x86/kprobes_64.h deleted file mode 100644 index 94dff09b2eb..00000000000 --- a/include/asm-x86/kprobes_64.h +++ /dev/null @@ -1,102 +0,0 @@ -#ifndef _ASM_KPROBES_H -#define _ASM_KPROBES_H -/* - * Kernel Probes (KProbes) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) IBM Corporation, 2002, 2004 - * - * 2002-Oct Created by Vamsi Krishna S <vamsi_krishna@in.ibm.com> Kernel - * Probes initial implementation ( includes suggestions from - * Rusty Russell). - * 2004-Oct Prasanna S Panchamukhi <prasanna@in.ibm.com> and Jim Keniston - * kenistoj@us.ibm.com adopted from i386. - */ -#include <linux/types.h> -#include <linux/ptrace.h> -#include <linux/percpu.h> - -#define __ARCH_WANT_KPROBES_INSN_SLOT - -struct pt_regs; -struct kprobe; - -typedef u8 kprobe_opcode_t; -#define BREAKPOINT_INSTRUCTION 0xcc -#define RELATIVEJUMP_INSTRUCTION 0xe9 -#define MAX_INSN_SIZE 16 -#define MAX_STACK_SIZE 64 -#define MIN_STACK_SIZE(ADDR) (((MAX_STACK_SIZE) < \ - (((unsigned long)current_thread_info()) + THREAD_SIZE \ - - (unsigned long)(ADDR))) \ - ? (MAX_STACK_SIZE) \ - : (((unsigned long)current_thread_info()) + THREAD_SIZE \ - - (unsigned long)(ADDR))) - -#define ARCH_SUPPORTS_KRETPROBES -#define flush_insn_slot(p) do { } while (0) - -extern const int kretprobe_blacklist_size; - -void arch_remove_kprobe(struct kprobe *p); -void kretprobe_trampoline(void); - -/* Architecture specific copy of original instruction*/ -struct arch_specific_insn { - /* copy of the original instruction */ - kprobe_opcode_t *insn; - /* - * boostable = -1: This instruction type is not boostable. - * boostable = 0: This instruction type is 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 or break_handler). - */ - int boostable; -}; - -struct prev_kprobe { - struct kprobe *kp; - unsigned long status; - unsigned long old_flags; - unsigned long saved_flags; -}; - -/* per-cpu kprobe control block */ -struct kprobe_ctlblk { - unsigned long kprobe_status; - unsigned long kprobe_old_flags; - unsigned long kprobe_saved_flags; - unsigned long *jprobe_saved_sp; - struct pt_regs jprobe_saved_regs; - kprobe_opcode_t jprobes_stack[MAX_STACK_SIZE]; - struct prev_kprobe prev_kprobe; -}; - -/* trap3/1 are intr gates for kprobes. So, restore the status of IF, - * if necessary, before executing the original int3/1 (trap) handler. - */ -static inline void restore_interrupts(struct pt_regs *regs) -{ - if (regs->flags & IF_MASK) - local_irq_enable(); -} - -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); -#endif /* _ASM_KPROBES_H */ |