Files
Linux_Drivers/linux_5.10/arch/csky/kernel/probes/decode-insn.c
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

50 lines
1.5 KiB
C

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