diff options
Diffstat (limited to 'include/asm-i386/kprobes.h')
| -rw-r--r-- | include/asm-i386/kprobes.h | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/include/asm-i386/kprobes.h b/include/asm-i386/kprobes.h deleted file mode 100644 index 06f7303c30ca..000000000000 --- a/include/asm-i386/kprobes.h +++ /dev/null @@ -1,92 +0,0 @@ -#ifndef _ASM_KPROBES_H -#define _ASM_KPROBES_H -/* - * Kernel Probes (KProbes) - * include/asm-i386/kprobes.h - * - * 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). - */ -#include <linux/types.h> -#include <linux/ptrace.h> - -#define __ARCH_WANT_KPROBES_INSN_SLOT - -struct kprobe; -struct pt_regs; - -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 - (ADDR))) \ - ? (MAX_STACK_SIZE) \ - : (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR))) - -#define ARCH_SUPPORTS_KRETPROBES -#define ARCH_INACTIVE_KPROBE_COUNT 0 -#define flush_insn_slot(p) do { } while (0) - -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; - /* - * If this flag is not 0, this kprobe can be boost when its - * post_handler and break_handler is not set. - */ - int boostable; -}; - -struct prev_kprobe { - struct kprobe *kp; - unsigned long status; - unsigned long old_eflags; - unsigned long saved_eflags; -}; - -/* per-cpu kprobe control block */ -struct kprobe_ctlblk { - unsigned long kprobe_status; - unsigned long kprobe_old_eflags; - unsigned long kprobe_saved_eflags; - long *jprobe_saved_esp; - 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->eflags & IF_MASK) - local_irq_enable(); -} - -extern int kprobe_exceptions_notify(struct notifier_block *self, - unsigned long val, void *data); -#endif /* _ASM_KPROBES_H */ |
