Messages in this thread | | | From | Tiezhu Yang <> | Subject | [PATCH v3 0/4] Add kprobe and kretprobe support for LoongArch | Date | Wed, 16 Nov 2022 10:36:25 +0800 |
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v3: -- Rebase on the latest code -- Check the alignment of PC in simu_branch() and simu_pc() -- Add ibar in flush_insn_slot() -- Rename kprobe_{pre,post}_handler() to {post_}kprobe_handler -- Add preempt_disable() and preempt_enable_no_resched() -- Remove r0 save/restore and do some minor changes in kprobes_trampoline.S -- Do not enable CONFIG_KPROBES by default
v2: -- Split simu_branch() and simu_pc() into a single patch -- Call kprobe_page_fault() in do_page_fault() -- Add kprobes_trampoline.S for kretprobe
Tiezhu Yang (4): LoongArch: Simulate branch and PC instructions LoongArch: Add kprobe support LoongArch: Add kretprobe support samples/kprobes: Add LoongArch support
arch/loongarch/Kconfig | 2 + arch/loongarch/include/asm/inst.h | 22 ++ arch/loongarch/include/asm/kprobes.h | 52 +++++ arch/loongarch/include/asm/ptrace.h | 1 + arch/loongarch/kernel/Makefile | 2 + arch/loongarch/kernel/inst.c | 123 ++++++++++ arch/loongarch/kernel/kprobes.c | 348 +++++++++++++++++++++++++++++ arch/loongarch/kernel/kprobes_trampoline.S | 96 ++++++++ arch/loongarch/mm/fault.c | 4 + samples/kprobes/kprobe_example.c | 8 + 10 files changed, 658 insertions(+) create mode 100644 arch/loongarch/include/asm/kprobes.h create mode 100644 arch/loongarch/kernel/kprobes.c create mode 100644 arch/loongarch/kernel/kprobes_trampoline.S
-- 2.1.0
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