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

   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 }