1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ASM_S390_MODULE_H
 3#define _ASM_S390_MODULE_H
 4
 5#include <asm-generic/module.h>
 6
 7/*
 8 * This file contains the s390 architecture specific module code.
 9 */
10
11struct mod_arch_syminfo {
12	unsigned long got_offset;
13	unsigned long plt_offset;
14	int got_initialized;
15	int plt_initialized;
16};
17
18struct mod_arch_specific {
19	/* Starting offset of got in the module core memory. */
20	unsigned long got_offset;
21	/* Starting offset of plt in the module core memory. */
22	unsigned long plt_offset;
23	/* Size of the got. */
24	unsigned long got_size;
25	/* Size of the plt. */
26	unsigned long plt_size;
27	/* Number of symbols in syminfo. */
28	int nsyms;
29	/* Additional symbol information (got and plt offsets). */
30	struct mod_arch_syminfo *syminfo;
31#ifdef CONFIG_FUNCTION_TRACER
32	/* Start of memory reserved for ftrace hotpatch trampolines. */
33	struct ftrace_hotpatch_trampoline *trampolines_start;
34	/* End of memory reserved for ftrace hotpatch trampolines. */
35	struct ftrace_hotpatch_trampoline *trampolines_end;
36	/* Next unused ftrace hotpatch trampoline slot. */
37	struct ftrace_hotpatch_trampoline *next_trampoline;
38#endif /* CONFIG_FUNCTION_TRACER */
39};
40
 
 
 
 
 
 
 
 
 
 
 
 
 
 
41#endif /* _ASM_S390_MODULE_H */

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ASM_S390_MODULE_H
 3#define _ASM_S390_MODULE_H
 4
 5#include <asm-generic/module.h>
 6
 7/*
 8 * This file contains the s390 architecture specific module code.
 9 */
10
11struct mod_arch_syminfo {
12	unsigned long got_offset;
13	unsigned long plt_offset;
14	int got_initialized;
15	int plt_initialized;
16};
17
18struct mod_arch_specific {
19	/* Starting offset of got in the module core memory. */
20	unsigned long got_offset;
21	/* Starting offset of plt in the module core memory. */
22	unsigned long plt_offset;
23	/* Size of the got. */
24	unsigned long got_size;
25	/* Size of the plt. */
26	unsigned long plt_size;
27	/* Number of symbols in syminfo. */
28	int nsyms;
29	/* Additional symbol information (got and plt offsets). */
30	struct mod_arch_syminfo *syminfo;
31#ifdef CONFIG_FUNCTION_TRACER
32	/* Start of memory reserved for ftrace hotpatch trampolines. */
33	struct ftrace_hotpatch_trampoline *trampolines_start;
34	/* End of memory reserved for ftrace hotpatch trampolines. */
35	struct ftrace_hotpatch_trampoline *trampolines_end;
36	/* Next unused ftrace hotpatch trampoline slot. */
37	struct ftrace_hotpatch_trampoline *next_trampoline;
38#endif /* CONFIG_FUNCTION_TRACER */
39};
40
41static inline const Elf_Shdr *find_section(const Elf_Ehdr *hdr,
42					   const Elf_Shdr *sechdrs,
43					   const char *name)
44{
45	const char *secstrs = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset;
46	const Elf_Shdr *s, *se;
47
48	for (s = sechdrs, se = sechdrs + hdr->e_shnum; s < se; s++) {
49		if (strcmp(name, secstrs + s->sh_name) == 0)
50			return s;
51	}
52	return NULL;
53}
54
55#endif /* _ASM_S390_MODULE_H */