xref: /openbmc/linux/tools/perf/arch/x86/util/archinsn.c (revision aac28965)
1 // SPDX-License-Identifier: GPL-2.0
2 #include "archinsn.h"
3 #include "event.h"
4 #include "machine.h"
5 #include "thread.h"
6 #include "symbol.h"
7 #include "../../../../arch/x86/include/asm/insn.h"
8 
9 void arch_fetch_insn(struct perf_sample *sample,
10 		     struct thread *thread,
11 		     struct machine *machine)
12 {
13 	struct insn insn;
14 	int len, ret;
15 	bool is64bit = false;
16 
17 	if (!sample->ip)
18 		return;
19 	len = thread__memcpy(thread, machine, sample->insn, sample->ip, sizeof(sample->insn), &is64bit);
20 	if (len <= 0)
21 		return;
22 
23 	ret = insn_decode(&insn, sample->insn, len,
24 			  is64bit ? INSN_MODE_64 : INSN_MODE_32);
25 	if (ret >= 0 && insn.length <= len)
26 		sample->insn_len = insn.length;
27 }
28