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kernel: Introducing Tracepoint Hook Type Support

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Tracepoint is a predefined hook point in the kernel, compared to Kprobe,
it is more stable and has lower performance overhead, although compatibility
is relatively poor, it is still worth trying

By the way, we have also included the config definitions related to hook types
in Kconfig, to enhance cleanliness

These patches is based on https://github.com/backslashxx/KernelSU/issues/5

Co-authored-by: Cloud_Yun <1770669041@qq.com>
Co-authored-by: Prslc <prslc113@gmail.com>
This commit is contained in:
Prslc
2025-08-13 21:25:52 +08:00
committed by ShirkNeko
parent ffdaf13fbd
commit ef399712dc
7 changed files with 202 additions and 17 deletions
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14
kernel/Makefile
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@@ -9,6 +9,10 @@ kernelsu-objs += ksud.o
kernelsu-objs += embed_ksud.o
kernelsu-objs += kernel_compat.o
ifeq ($(strip $(CONFIG_KSU_TRACEPOINT_HOOK)),y)
kernelsu-objs += ksu_trace.o
endif
kernelsu-objs += selinux/selinux.o
kernelsu-objs += selinux/sepolicy.o
kernelsu-objs += selinux/rules.o
@@ -17,6 +21,7 @@ ccflags-y += -I$(srctree)/security/selinux -I$(srctree)/security/selinux/include
ccflags-y += -I$(objtree)/security/selinux -include $(srctree)/include/uapi/asm-generic/errno.h
obj-$(CONFIG_KSU) += kernelsu.o
obj-$(CONFIG_KSU_TRACEPOINT_HOOK) += ksu_trace_export.o
obj-$(CONFIG_KPM) += kpm/
@@ -71,11 +76,12 @@ endif
ccflags-y += -DKSU_VERSION=$(KSU_VERSION)
ccflags-y += -DKSU_VERSION_FULL=\"$(KSU_VERSION_FULL)\"
ifeq ($(strip $(CONFIG_KSU_MANUAL_HOOK)),y)
$(info -- SukiSU: CONFIG_KSU_MANUAL_HOOK)
else
ifeq ($(strip $(CONFIG_KSU_KPROBES_HOOK)),y)
$(info -- SukiSU: CONFIG_KSU_KPROBES_HOOK)
ccflags-y += -DCONFIG_KSU_KPROBES_HOOK
else ifeq ($(strip $(CONFIG_KSU_TRACEPOINT_HOOK)),y)
$(info -- SukiSU: CONFIG_KSU_TRACEPOINT_HOOK)
else ifeq ($(strip $(CONFIG_KSU_MANUAL_HOOK)),y)
$(info -- SukiSU: CONFIG_KSU_MANUAL_HOOK)
endif
KERNEL_VERSION := $(VERSION).$(PATCHLEVEL)