mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
82 lines
2.1 KiB
82 lines
2.1 KiB
/* SPDX-License-Identifier: GPL-2.0+ */ |
|
#ifndef _ASM_S390_KPROBES_H |
|
#define _ASM_S390_KPROBES_H |
|
/* |
|
* Kernel Probes (KProbes) |
|
* |
|
* Copyright IBM Corp. 2002, 2006 |
|
* |
|
* 2002-Oct Created by Vamsi Krishna S <[email protected]> Kernel |
|
* Probes initial implementation ( includes suggestions from |
|
* Rusty Russell). |
|
* 2004-Nov Modified for PPC64 by Ananth N Mavinakayanahalli |
|
* <[email protected]> |
|
* 2005-Dec Used as a template for s390 by Mike Grundy |
|
* <[email protected]> |
|
*/ |
|
#include <linux/types.h> |
|
#include <asm-generic/kprobes.h> |
|
|
|
#define BREAKPOINT_INSTRUCTION 0x0002 |
|
|
|
#define FIXUP_PSW_NORMAL 0x08 |
|
#define FIXUP_BRANCH_NOT_TAKEN 0x04 |
|
#define FIXUP_RETURN_REGISTER 0x02 |
|
#define FIXUP_NOT_REQUIRED 0x01 |
|
|
|
int probe_is_prohibited_opcode(u16 *insn); |
|
int probe_get_fixup_type(u16 *insn); |
|
int probe_is_insn_relative_long(u16 *insn); |
|
|
|
#ifdef CONFIG_KPROBES |
|
#include <linux/ptrace.h> |
|
#include <linux/percpu.h> |
|
#include <linux/sched/task_stack.h> |
|
|
|
#define __ARCH_WANT_KPROBES_INSN_SLOT |
|
|
|
struct pt_regs; |
|
struct kprobe; |
|
|
|
typedef u16 kprobe_opcode_t; |
|
|
|
/* 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)task_stack_page(current)) + THREAD_SIZE - (ADDR))) \ |
|
? (MAX_STACK_SIZE) \ |
|
: (((unsigned long)task_stack_page(current)) + THREAD_SIZE - (ADDR))) |
|
|
|
#define kretprobe_blacklist_size 0 |
|
|
|
/* Architecture specific copy of original instruction */ |
|
struct arch_specific_insn { |
|
/* copy of original instruction */ |
|
kprobe_opcode_t *insn; |
|
}; |
|
|
|
struct prev_kprobe { |
|
struct kprobe *kp; |
|
unsigned long status; |
|
}; |
|
|
|
/* per-cpu kprobe control block */ |
|
struct kprobe_ctlblk { |
|
unsigned long kprobe_status; |
|
unsigned long kprobe_saved_imask; |
|
unsigned long kprobe_saved_ctl[3]; |
|
struct prev_kprobe prev_kprobe; |
|
}; |
|
|
|
void arch_remove_kprobe(struct kprobe *p); |
|
void kretprobe_trampoline(void); |
|
|
|
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 /* CONFIG_KPROBES */ |
|
#endif /* _ASM_S390_KPROBES_H */
|
|
|