linuxdebug/tools/perf/arch/x86/util/archinsn.c

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2024-07-16 15:50:57 +02:00
// SPDX-License-Identifier: GPL-2.0
#include "archinsn.h"
#include "event.h"
#include "machine.h"
#include "thread.h"
#include "symbol.h"
#include "../../../../arch/x86/include/asm/insn.h"
void arch_fetch_insn(struct perf_sample *sample,
struct thread *thread,
struct machine *machine)
{
struct insn insn;
int len, ret;
bool is64bit = false;
if (!sample->ip)
return;
len = thread__memcpy(thread, machine, sample->insn, sample->ip, sizeof(sample->insn), &is64bit);
if (len <= 0)
return;
ret = insn_decode(&insn, sample->insn, len,
is64bit ? INSN_MODE_64 : INSN_MODE_32);
if (ret >= 0 && insn.length <= len)
sample->insn_len = insn.length;
}