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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:15:01 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:15:01 +0000
commit7996a3d79d55b7f879dfd62e202bbfe2963718d3 (patch)
tree8d9f6759fec4099b9be503c11c7ed174f7204980 /libdde-linux26/libdde_linux26/contrib/include/linux/kprobes.h
parent4fbe7358c7747a9165f776eb19addbb9baf7def2 (diff)
really properly move files
Diffstat (limited to 'libdde-linux26/libdde_linux26/contrib/include/linux/kprobes.h')
-rw-r--r--libdde-linux26/libdde_linux26/contrib/include/linux/kprobes.h333
1 files changed, 0 insertions, 333 deletions
diff --git a/libdde-linux26/libdde_linux26/contrib/include/linux/kprobes.h b/libdde-linux26/libdde_linux26/contrib/include/linux/kprobes.h
deleted file mode 100644
index 32851eef..00000000
--- a/libdde-linux26/libdde_linux26/contrib/include/linux/kprobes.h
+++ /dev/null
@@ -1,333 +0,0 @@
-#ifndef _LINUX_KPROBES_H
-#define _LINUX_KPROBES_H
-/*
- * Kernel Probes (KProbes)
- * include/linux/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).
- * 2004-July Suparna Bhattacharya <suparna@in.ibm.com> added jumper probes
- * interface to access function arguments.
- * 2005-May Hien Nguyen <hien@us.ibm.com> and Jim Keniston
- * <jkenisto@us.ibm.com> and Prasanna S Panchamukhi
- * <prasanna@in.ibm.com> added function-return probes.
- */
-#include <linux/linkage.h>
-#include <linux/list.h>
-#include <linux/notifier.h>
-#include <linux/smp.h>
-#include <linux/percpu.h>
-#include <linux/spinlock.h>
-#include <linux/rcupdate.h>
-#include <linux/mutex.h>
-
-#ifdef CONFIG_KPROBES
-#include <asm/kprobes.h>
-
-/* kprobe_status settings */
-#define KPROBE_HIT_ACTIVE 0x00000001
-#define KPROBE_HIT_SS 0x00000002
-#define KPROBE_REENTER 0x00000004
-#define KPROBE_HIT_SSDONE 0x00000008
-
-/* Attach to insert probes on any functions which should be ignored*/
-#define __kprobes __attribute__((__section__(".kprobes.text"))) notrace
-#else /* CONFIG_KPROBES */
-typedef int kprobe_opcode_t;
-struct arch_specific_insn {
- int dummy;
-};
-#define __kprobes notrace
-#endif /* CONFIG_KPROBES */
-
-struct kprobe;
-struct pt_regs;
-struct kretprobe;
-struct kretprobe_instance;
-typedef int (*kprobe_pre_handler_t) (struct kprobe *, struct pt_regs *);
-typedef int (*kprobe_break_handler_t) (struct kprobe *, struct pt_regs *);
-typedef void (*kprobe_post_handler_t) (struct kprobe *, struct pt_regs *,
- unsigned long flags);
-typedef int (*kprobe_fault_handler_t) (struct kprobe *, struct pt_regs *,
- int trapnr);
-typedef int (*kretprobe_handler_t) (struct kretprobe_instance *,
- struct pt_regs *);
-
-struct kprobe {
- struct hlist_node hlist;
-
- /* list of kprobes for multi-handler support */
- struct list_head list;
-
- /*count the number of times this probe was temporarily disarmed */
- unsigned long nmissed;
-
- /* location of the probe point */
- kprobe_opcode_t *addr;
-
- /* Allow user to indicate symbol name of the probe point */
- const char *symbol_name;
-
- /* Offset into the symbol */
- unsigned int offset;
-
- /* Called before addr is executed. */
- kprobe_pre_handler_t pre_handler;
-
- /* Called after addr is executed, unless... */
- kprobe_post_handler_t post_handler;
-
- /* ... called if executing addr causes a fault (eg. page fault).
- * Return 1 if it handled fault, otherwise kernel will see it. */
- kprobe_fault_handler_t fault_handler;
-
- /* ... called if breakpoint trap occurs in probe handler.
- * Return 1 if it handled break, otherwise kernel will see it. */
- kprobe_break_handler_t break_handler;
-
- /* Saved opcode (which has been replaced with breakpoint) */
- kprobe_opcode_t opcode;
-
- /* copy of the original instruction */
- struct arch_specific_insn ainsn;
-
- /* Indicates various status flags. Protected by kprobe_mutex. */
- u32 flags;
-};
-
-/* Kprobe status flags */
-#define KPROBE_FLAG_GONE 1 /* breakpoint has already gone */
-
-static inline int kprobe_gone(struct kprobe *p)
-{
- return p->flags & KPROBE_FLAG_GONE;
-}
-
-/*
- * Special probe type that uses setjmp-longjmp type tricks to resume
- * execution at a specified entry with a matching prototype corresponding
- * to the probed function - a trick to enable arguments to become
- * accessible seamlessly by probe handling logic.
- * Note:
- * Because of the way compilers allocate stack space for local variables
- * etc upfront, regardless of sub-scopes within a function, this mirroring
- * principle currently works only for probes placed on function entry points.
- */
-struct jprobe {
- struct kprobe kp;
- void *entry; /* probe handling code to jump to */
-};
-
-/* For backward compatibility with old code using JPROBE_ENTRY() */
-#define JPROBE_ENTRY(handler) (handler)
-
-/*
- * Function-return probe -
- * Note:
- * User needs to provide a handler function, and initialize maxactive.
- * maxactive - The maximum number of instances of the probed function that
- * can be active concurrently.
- * nmissed - tracks the number of times the probed function's return was
- * ignored, due to maxactive being too low.
- *
- */
-struct kretprobe {
- struct kprobe kp;
- kretprobe_handler_t handler;
- kretprobe_handler_t entry_handler;
- int maxactive;
- int nmissed;
- size_t data_size;
- struct hlist_head free_instances;
- spinlock_t lock;
-};
-
-struct kretprobe_instance {
- struct hlist_node hlist;
- struct kretprobe *rp;
- kprobe_opcode_t *ret_addr;
- struct task_struct *task;
- char data[0];
-};
-
-struct kretprobe_blackpoint {
- const char *name;
- void *addr;
-};
-
-struct kprobe_blackpoint {
- const char *name;
- unsigned long start_addr;
- unsigned long range;
-};
-
-#ifdef CONFIG_KPROBES
-DECLARE_PER_CPU(struct kprobe *, current_kprobe);
-DECLARE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);
-
-#ifdef CONFIG_KRETPROBES
-extern void arch_prepare_kretprobe(struct kretprobe_instance *ri,
- struct pt_regs *regs);
-extern int arch_trampoline_kprobe(struct kprobe *p);
-#else /* CONFIG_KRETPROBES */
-static inline void arch_prepare_kretprobe(struct kretprobe *rp,
- struct pt_regs *regs)
-{
-}
-static inline int arch_trampoline_kprobe(struct kprobe *p)
-{
- return 0;
-}
-#endif /* CONFIG_KRETPROBES */
-
-extern struct kretprobe_blackpoint kretprobe_blacklist[];
-
-static inline void kretprobe_assert(struct kretprobe_instance *ri,
- unsigned long orig_ret_address, unsigned long trampoline_address)
-{
- if (!orig_ret_address || (orig_ret_address == trampoline_address)) {
- printk("kretprobe BUG!: Processing kretprobe %p @ %p\n",
- ri->rp, ri->rp->kp.addr);
- BUG();
- }
-}
-
-#ifdef CONFIG_KPROBES_SANITY_TEST
-extern int init_test_probes(void);
-#else
-static inline int init_test_probes(void)
-{
- return 0;
-}
-#endif /* CONFIG_KPROBES_SANITY_TEST */
-
-extern int arch_prepare_kprobe(struct kprobe *p);
-extern void arch_arm_kprobe(struct kprobe *p);
-extern void arch_disarm_kprobe(struct kprobe *p);
-extern int arch_init_kprobes(void);
-extern void show_registers(struct pt_regs *regs);
-extern kprobe_opcode_t *get_insn_slot(void);
-extern void free_insn_slot(kprobe_opcode_t *slot, int dirty);
-extern void kprobes_inc_nmissed_count(struct kprobe *p);
-
-/* Get the kprobe at this addr (if any) - called with preemption disabled */
-struct kprobe *get_kprobe(void *addr);
-void kretprobe_hash_lock(struct task_struct *tsk,
- struct hlist_head **head, unsigned long *flags);
-void kretprobe_hash_unlock(struct task_struct *tsk, unsigned long *flags);
-struct hlist_head * kretprobe_inst_table_head(struct task_struct *tsk);
-
-/* kprobe_running() will just return the current_kprobe on this CPU */
-static inline struct kprobe *kprobe_running(void)
-{
- return (__get_cpu_var(current_kprobe));
-}
-
-static inline void reset_current_kprobe(void)
-{
- __get_cpu_var(current_kprobe) = NULL;
-}
-
-static inline struct kprobe_ctlblk *get_kprobe_ctlblk(void)
-{
- return (&__get_cpu_var(kprobe_ctlblk));
-}
-
-int register_kprobe(struct kprobe *p);
-void unregister_kprobe(struct kprobe *p);
-int register_kprobes(struct kprobe **kps, int num);
-void unregister_kprobes(struct kprobe **kps, int num);
-int setjmp_pre_handler(struct kprobe *, struct pt_regs *);
-int longjmp_break_handler(struct kprobe *, struct pt_regs *);
-int register_jprobe(struct jprobe *p);
-void unregister_jprobe(struct jprobe *p);
-int register_jprobes(struct jprobe **jps, int num);
-void unregister_jprobes(struct jprobe **jps, int num);
-void jprobe_return(void);
-unsigned long arch_deref_entry_point(void *);
-
-int register_kretprobe(struct kretprobe *rp);
-void unregister_kretprobe(struct kretprobe *rp);
-int register_kretprobes(struct kretprobe **rps, int num);
-void unregister_kretprobes(struct kretprobe **rps, int num);
-
-void kprobe_flush_task(struct task_struct *tk);
-void recycle_rp_inst(struct kretprobe_instance *ri, struct hlist_head *head);
-
-#else /* CONFIG_KPROBES */
-
-static inline struct kprobe *get_kprobe(void *addr)
-{
- return NULL;
-}
-static inline struct kprobe *kprobe_running(void)
-{
- return NULL;
-}
-static inline int register_kprobe(struct kprobe *p)
-{
- return -ENOSYS;
-}
-static inline int register_kprobes(struct kprobe **kps, int num)
-{
- return -ENOSYS;
-}
-static inline void unregister_kprobe(struct kprobe *p)
-{
-}
-static inline void unregister_kprobes(struct kprobe **kps, int num)
-{
-}
-static inline int register_jprobe(struct jprobe *p)
-{
- return -ENOSYS;
-}
-static inline int register_jprobes(struct jprobe **jps, int num)
-{
- return -ENOSYS;
-}
-static inline void unregister_jprobe(struct jprobe *p)
-{
-}
-static inline void unregister_jprobes(struct jprobe **jps, int num)
-{
-}
-static inline void jprobe_return(void)
-{
-}
-static inline int register_kretprobe(struct kretprobe *rp)
-{
- return -ENOSYS;
-}
-static inline int register_kretprobes(struct kretprobe **rps, int num)
-{
- return -ENOSYS;
-}
-static inline void unregister_kretprobe(struct kretprobe *rp)
-{
-}
-static inline void unregister_kretprobes(struct kretprobe **rps, int num)
-{
-}
-static inline void kprobe_flush_task(struct task_struct *tk)
-{
-}
-#endif /* CONFIG_KPROBES */
-#endif /* _LINUX_KPROBES_H */