From ea08eeccae9297f7aabd2ef7f0c2517ac4549acc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:18:26 +0000
Subject: [PATCH] write in 30M
---
kernel/arch/x86/include/asm/kprobes.h | 24 +++++++++++++++++++-----
1 files changed, 19 insertions(+), 5 deletions(-)
diff --git a/kernel/arch/x86/include/asm/kprobes.h b/kernel/arch/x86/include/asm/kprobes.h
index 991a7ad..bd7f588 100644
--- a/kernel/arch/x86/include/asm/kprobes.h
+++ b/kernel/arch/x86/include/asm/kprobes.h
@@ -58,14 +58,29 @@
/* copy of the original instruction */
kprobe_opcode_t *insn;
/*
- * boostable = false: This instruction type is not boostable.
- * boostable = true: This instruction has been boosted: we have
+ * boostable = 0: This instruction type is not boostable.
+ * boostable = 1: This instruction has been boosted: we have
* added a relative jump after the instruction copy in insn,
* so no single-step and fixup are needed (unless there's
* a post_handler).
*/
- bool boostable;
- bool if_modifier;
+ unsigned boostable:1;
+ unsigned char size; /* The size of insn */
+ union {
+ unsigned char opcode;
+ struct {
+ unsigned char type;
+ } jcc;
+ struct {
+ unsigned char type;
+ unsigned char asize;
+ } loop;
+ struct {
+ unsigned char reg;
+ } indirect;
+ };
+ s32 rel32; /* relative offset must be s32, s16, or s8 */
+ void (*emulate_op)(struct kprobe *p, struct pt_regs *regs);
/* Number of bytes of text poked */
int tp_len;
};
@@ -104,7 +119,6 @@
extern int kprobe_exceptions_notify(struct notifier_block *self,
unsigned long val, void *data);
extern int kprobe_int3_handler(struct pt_regs *regs);
-extern int kprobe_debug_handler(struct pt_regs *regs);
#else
--
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