Files
cubelinux-kernel/arch/csky/kernel/probes/decode-insn.c
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

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;
}