xref: /openbmc/linux/tools/perf/arch/s390/util/machine.c (revision b830f94f)
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 }
24