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Diffstat (limited to 'include/asm-s390/kprobes.h')
| -rw-r--r-- | include/asm-s390/kprobes.h | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/include/asm-s390/kprobes.h b/include/asm-s390/kprobes.h deleted file mode 100644 index 330f68caffe..00000000000 --- a/include/asm-s390/kprobes.h +++ /dev/null @@ -1,103 +0,0 @@ -#ifndef _ASM_S390_KPROBES_H -#define _ASM_S390_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, 2006 - * - * 2002-Oct Created by Vamsi Krishna S <vamsi_krishna@in.ibm.com> Kernel - * Probes initial implementation ( includes suggestions from - * Rusty Russell). - * 2004-Nov Modified for PPC64 by Ananth N Mavinakayanahalli - * <ananth@in.ibm.com> - * 2005-Dec Used as a template for s390 by Mike Grundy - * <grundym@us.ibm.com> - */ -#include <linux/types.h> -#include <linux/ptrace.h> -#include <linux/percpu.h> - -#define __ARCH_WANT_KPROBES_INSN_SLOT -struct pt_regs; -struct kprobe; - -typedef u16 kprobe_opcode_t; -#define BREAKPOINT_INSTRUCTION 0x0002 - -/* Maximum instruction size is 3 (16bit) halfwords: */ -#define MAX_INSN_SIZE 0x0003 -#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 kretprobe_blacklist_size 0 - -#define KPROBE_SWAP_INST 0x10 - -#define FIXUP_PSW_NORMAL 0x08 -#define FIXUP_BRANCH_NOT_TAKEN 0x04 -#define FIXUP_RETURN_REGISTER 0x02 -#define FIXUP_NOT_REQUIRED 0x01 - -/* Architecture specific copy of original instruction */ -struct arch_specific_insn { - /* copy of original instruction */ - kprobe_opcode_t *insn; - int fixup; - int ilen; - int reg; -}; - -struct ins_replace_args { - kprobe_opcode_t *ptr; - kprobe_opcode_t old; - kprobe_opcode_t new; -}; -struct prev_kprobe { - struct kprobe *kp; - unsigned long status; - unsigned long saved_psw; - unsigned long kprobe_saved_imask; - unsigned long kprobe_saved_ctl[3]; -}; - -/* per-cpu kprobe control block */ -struct kprobe_ctlblk { - unsigned long kprobe_status; - unsigned long kprobe_saved_imask; - unsigned long kprobe_saved_ctl[3]; - struct pt_regs jprobe_saved_regs; - unsigned long jprobe_saved_r14; - unsigned long jprobe_saved_r15; - struct prev_kprobe prev_kprobe; - kprobe_opcode_t jprobes_stack[MAX_STACK_SIZE]; -}; - -void arch_remove_kprobe(struct kprobe *p); -void kretprobe_trampoline(void); -int is_prohibited_opcode(kprobe_opcode_t *instruction); -void get_instruction_type(struct arch_specific_insn *ainsn); - -int kprobe_fault_handler(struct pt_regs *regs, int trapnr); -int kprobe_exceptions_notify(struct notifier_block *self, - unsigned long val, void *data); - -#define flush_insn_slot(p) do { } while (0) - -#endif /* _ASM_S390_KPROBES_H */ |