![Abhishek Sagar](/assets/img/avatar_default.png)
This is a full implementation of Kprobes including Jprobes and Kretprobes support. This ARM implementation does not follow the usual kprobes double- exception model. The traditional model is where the initial kprobes breakpoint calls kprobe_handler(), which returns from exception to execute the instruction in its original context, then immediately re-enters after a second breakpoint (or single-stepping exception) into post_kprobe_handler(), each time the probe is hit.. The ARM implementation only executes one kprobes exception per hit, so no post_kprobe_handler() phase. All side-effects from the kprobe'd instruction are resolved before returning from the initial exception. As a result, all instructions are _always_ effectively boosted regardless of the type of instruction, and even regardless of whether or not there is a post-handler for the probe. Signed-off-by: Abhishek Sagar <sagar.abhishek@gmail.com> Signed-off-by: Quentin Barnes <qbarnes@gmail.com> Signed-off-by: Nicolas Pitre <nico@marvell.com>
41 lines
1.1 KiB
Makefile
41 lines
1.1 KiB
Makefile
#
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# Makefile for the linux kernel.
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#
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AFLAGS_head.o := -DTEXT_OFFSET=$(TEXT_OFFSET)
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# Object file lists.
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obj-y := compat.o entry-armv.o entry-common.o irq.o \
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process.o ptrace.o semaphore.o setup.o signal.o \
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sys_arm.o stacktrace.o time.o traps.o
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obj-$(CONFIG_ISA_DMA_API) += dma.o
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obj-$(CONFIG_ARCH_ACORN) += ecard.o
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obj-$(CONFIG_FIQ) += fiq.o
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obj-$(CONFIG_MODULES) += armksyms.o module.o
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obj-$(CONFIG_ARTHUR) += arthur.o
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obj-$(CONFIG_ISA_DMA) += dma-isa.o
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obj-$(CONFIG_PCI) += bios32.o isa.o
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obj-$(CONFIG_SMP) += smp.o
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obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o
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obj-$(CONFIG_KPROBES) += kprobes.o kprobes-decode.o
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obj-$(CONFIG_OABI_COMPAT) += sys_oabi-compat.o
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obj-$(CONFIG_CRUNCH) += crunch.o crunch-bits.o
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AFLAGS_crunch-bits.o := -Wa,-mcpu=ep9312
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obj-$(CONFIG_CPU_XSCALE) += xscale-cp0.o
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obj-$(CONFIG_CPU_XSC3) += xscale-cp0.o
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obj-$(CONFIG_IWMMXT) += iwmmxt.o
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AFLAGS_iwmmxt.o := -Wa,-mcpu=iwmmxt
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ifneq ($(CONFIG_ARCH_EBSA110),y)
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obj-y += io.o
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endif
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head-y := head$(MMUEXT).o
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obj-$(CONFIG_DEBUG_LL) += debug.o
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extra-y := $(head-y) init_task.o vmlinux.lds
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