xref: /openbmc/linux/tools/perf/arch/s390/util/machine.c (revision b24413180f5600bcb3bb70fbed5cf186b60864bd)
1*b2441318SGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0
2203d8a4aSSong Shan Gong #include <unistd.h>
3203d8a4aSSong Shan Gong #include <stdio.h>
4203d8a4aSSong Shan Gong #include <string.h>
5203d8a4aSSong Shan Gong #include "util.h"
6203d8a4aSSong Shan Gong #include "machine.h"
7203d8a4aSSong Shan Gong #include "api/fs/fs.h"
8203d8a4aSSong Shan Gong 
9203d8a4aSSong Shan Gong int arch__fix_module_text_start(u64 *start, const char *name)
10203d8a4aSSong Shan Gong {
11203d8a4aSSong Shan Gong 	char path[PATH_MAX];
12203d8a4aSSong Shan Gong 
13203d8a4aSSong Shan Gong 	snprintf(path, PATH_MAX, "module/%.*s/sections/.text",
14203d8a4aSSong Shan Gong 				(int)strlen(name) - 2, name + 1);
15203d8a4aSSong Shan Gong 
16203d8a4aSSong Shan Gong 	if (sysfs__read_ull(path, (unsigned long long *)start) < 0)
17203d8a4aSSong Shan Gong 		return -1;
18203d8a4aSSong Shan Gong 
19203d8a4aSSong Shan Gong 	return 0;
20203d8a4aSSong Shan Gong }
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