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49 lines
1.5 KiB
49 lines
1.5 KiB
// SPDX-License-Identifier: GPL-2.0+ |
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#include <linux/kernel.h> |
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#include <linux/kprobes.h> |
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#include <linux/module.h> |
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#include <linux/kallsyms.h> |
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#include <asm/sections.h> |
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#include "decode-insn.h" |
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#include "simulate-insn.h" |
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/* Return: |
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* INSN_REJECTED If instruction is one not allowed to kprobe, |
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* INSN_GOOD_NO_SLOT If instruction is supported but doesn't use its slot. |
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*/ |
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enum probe_insn __kprobes |
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csky_probe_decode_insn(probe_opcode_t *addr, struct arch_probe_insn *api) |
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{ |
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probe_opcode_t insn = le32_to_cpu(*addr); |
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CSKY_INSN_SET_SIMULATE(br16, insn); |
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CSKY_INSN_SET_SIMULATE(bt16, insn); |
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CSKY_INSN_SET_SIMULATE(bf16, insn); |
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CSKY_INSN_SET_SIMULATE(jmp16, insn); |
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CSKY_INSN_SET_SIMULATE(jsr16, insn); |
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CSKY_INSN_SET_SIMULATE(lrw16, insn); |
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CSKY_INSN_SET_SIMULATE(pop16, insn); |
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CSKY_INSN_SET_SIMULATE(br32, insn); |
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CSKY_INSN_SET_SIMULATE(bt32, insn); |
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CSKY_INSN_SET_SIMULATE(bf32, insn); |
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CSKY_INSN_SET_SIMULATE(jmp32, insn); |
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CSKY_INSN_SET_SIMULATE(jsr32, insn); |
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CSKY_INSN_SET_SIMULATE(lrw32, insn); |
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CSKY_INSN_SET_SIMULATE(pop32, insn); |
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CSKY_INSN_SET_SIMULATE(bez32, insn); |
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CSKY_INSN_SET_SIMULATE(bnez32, insn); |
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CSKY_INSN_SET_SIMULATE(bnezad32, insn); |
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CSKY_INSN_SET_SIMULATE(bhsz32, insn); |
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CSKY_INSN_SET_SIMULATE(bhz32, insn); |
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CSKY_INSN_SET_SIMULATE(blsz32, insn); |
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CSKY_INSN_SET_SIMULATE(blz32, insn); |
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CSKY_INSN_SET_SIMULATE(bsr32, insn); |
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CSKY_INSN_SET_SIMULATE(jmpi32, insn); |
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CSKY_INSN_SET_SIMULATE(jsri32, insn); |
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return INSN_GOOD; |
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}
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