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kprobes: Remove jprobe stub API

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Remove jprobe stub APIs from linux/kprobes.h since
the jprobe implementation was completely gone.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-arch@vger.kernel.org
Link: https://lore.kernel.org/lkml/152942503572.15209.1652552217914694917.stgit@devbox
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Masami Hiramatsu 2018-06-20 01:17:15 +09:00 committed by Ingo Molnar
parent dcce32d952
commit 4de58696de
1 changed files with 0 additions and 50 deletions
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50
include/linux/kprobes.h
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@ -63,7 +63,6 @@ struct pt_regs;
struct kretprobe; struct kretprobe;
struct kretprobe_instance; struct kretprobe_instance;
typedef int (*kprobe_pre_handler_t) (struct kprobe *, struct pt_regs *); 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 *, typedef void (*kprobe_post_handler_t) (struct kprobe *, struct pt_regs *,
unsigned long flags); unsigned long flags);
typedef int (*kprobe_fault_handler_t) (struct kprobe *, struct pt_regs *, typedef int (*kprobe_fault_handler_t) (struct kprobe *, struct pt_regs *,
@ -101,12 +100,6 @@ struct kprobe {
*/ */
kprobe_fault_handler_t fault_handler; 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) */ /* Saved opcode (which has been replaced with breakpoint) */
kprobe_opcode_t opcode; kprobe_opcode_t opcode;
@ -154,24 +147,6 @@ static inline int kprobe_ftrace(struct kprobe *p)
return p->flags & KPROBE_FLAG_FTRACE; return p->flags & KPROBE_FLAG_FTRACE;
} }
/*
* 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 - * Function-return probe -
* Note: * Note:
@ -436,9 +411,6 @@ static inline void unregister_kprobe(struct kprobe *p)
static inline void unregister_kprobes(struct kprobe **kps, int num) static inline void unregister_kprobes(struct kprobe **kps, int num)
{ {
} }
static inline void jprobe_return(void)
{
}
static inline int register_kretprobe(struct kretprobe *rp) static inline int register_kretprobe(struct kretprobe *rp)
{ {
return -ENOSYS; return -ENOSYS;
@ -465,20 +437,6 @@ static inline int enable_kprobe(struct kprobe *kp)
return -ENOSYS; return -ENOSYS;
} }
#endif /* CONFIG_KPROBES */ #endif /* CONFIG_KPROBES */
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 int disable_kretprobe(struct kretprobe *rp) static inline int disable_kretprobe(struct kretprobe *rp)
{ {
return disable_kprobe(&rp->kp); return disable_kprobe(&rp->kp);
@ -487,14 +445,6 @@ static inline int enable_kretprobe(struct kretprobe *rp)
{ {
return enable_kprobe(&rp->kp); return enable_kprobe(&rp->kp);
} }
static inline int disable_jprobe(struct jprobe *jp)
{
return -ENOSYS;
}
static inline int enable_jprobe(struct jprobe *jp)
{
return -ENOSYS;
}
#ifndef CONFIG_KPROBES #ifndef CONFIG_KPROBES
static inline bool is_kprobe_insn_slot(unsigned long addr) static inline bool is_kprobe_insn_slot(unsigned long addr)