tools/perf/arch/s390/util/machine.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <unistd.h>
   3 #include <stdio.h>
   4 #include <string.h>
   5 #include "util.h"
   6 #include "machine.h"
   7 #include "api/fs/fs.h"
   8 #include "debug.h"
   9
  10 int arch__fix_module_text_start(u64 *start, const char *name)
  11 {
  12         u64 m_start = *start;
  13         char path[PATH_MAX];
  14
  15         snprintf(path, PATH_MAX, "module/%.*s/sections/.text",
  16                                 (int)strlen(name) - 2, name + 1);
  17         if (sysfs__read_ull(path, (unsigned long long *)start) < 0) {
  18                 pr_debug2("Using module %s start:%#lx\n", path, m_start);
  19                 *start = m_start;
  20         }
  21
  22         return 0;
  23 }