1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ASM_ARM_MODULE_H
 3#define _ASM_ARM_MODULE_H
 4
 5#include <asm-generic/module.h>
 6#include <asm/unwind.h>
 7
 8#ifdef CONFIG_ARM_UNWIND
 9#define ELF_SECTION_UNWIND 0x70000001
10#endif
11
12#define PLT_ENT_STRIDE		L1_CACHE_BYTES
13#define PLT_ENT_COUNT		(PLT_ENT_STRIDE / sizeof(u32))
14#define PLT_ENT_SIZE		(sizeof(struct plt_entries) / PLT_ENT_COUNT)
15
16struct plt_entries {
17	u32	ldr[PLT_ENT_COUNT];
18	u32	lit[PLT_ENT_COUNT];
19};
20
21struct mod_plt_sec {
22	struct elf32_shdr	*plt;
23	struct plt_entries	*plt_ent;
24	int			plt_count;
25};
26
27struct mod_arch_specific {
28#ifdef CONFIG_ARM_UNWIND
29	struct list_head unwind_list;
30	struct unwind_table *init_table;
31#endif
32#ifdef CONFIG_ARM_MODULE_PLTS
33	struct mod_plt_sec	core;
34	struct mod_plt_sec	init;
35#endif
36};
37
38struct module;
39u32 get_module_plt(struct module *mod, unsigned long loc, Elf32_Addr val);
40#ifdef CONFIG_ARM_MODULE_PLTS
41bool in_module_plt(unsigned long loc);
42#else
43static inline bool in_module_plt(unsigned long loc) { return false; }
44#endif
45
46#ifdef CONFIG_THUMB2_KERNEL
47#define HAVE_ARCH_KALLSYMS_SYMBOL_VALUE
48static inline unsigned long kallsyms_symbol_value(const Elf_Sym *sym)
49{
50	if (ELF_ST_TYPE(sym->st_info) == STT_FUNC)
51		return sym->st_value & ~1;
52
53	return sym->st_value;
54}
55#endif
56
57#endif /* _ASM_ARM_MODULE_H */

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ASM_ARM_MODULE_H
 3#define _ASM_ARM_MODULE_H
 4
 5#include <asm-generic/module.h>
 6#include <asm/unwind.h>
 7
 8#ifdef CONFIG_ARM_UNWIND
 9#define ELF_SECTION_UNWIND 0x70000001
10#endif
11
12#define PLT_ENT_STRIDE		L1_CACHE_BYTES
13#define PLT_ENT_COUNT		(PLT_ENT_STRIDE / sizeof(u32))
14#define PLT_ENT_SIZE		(sizeof(struct plt_entries) / PLT_ENT_COUNT)
15
16struct plt_entries {
17	u32	ldr[PLT_ENT_COUNT];
18	u32	lit[PLT_ENT_COUNT];
19};
20
21struct mod_plt_sec {
22	struct elf32_shdr	*plt;
23	struct plt_entries	*plt_ent;
24	int			plt_count;
25};
26
27struct mod_arch_specific {
28#ifdef CONFIG_ARM_UNWIND
29	struct list_head unwind_list;
30	struct unwind_table *init_table;
31#endif
32#ifdef CONFIG_ARM_MODULE_PLTS
33	struct mod_plt_sec	core;
34	struct mod_plt_sec	init;
35#endif
36};
37
38struct module;
39u32 get_module_plt(struct module *mod, unsigned long loc, Elf32_Addr val);
40#ifdef CONFIG_ARM_MODULE_PLTS
41bool in_module_plt(unsigned long loc);
42#else
43static inline bool in_module_plt(unsigned long loc) { return false; }
44#endif
45
46#ifdef CONFIG_THUMB2_KERNEL
47#define HAVE_ARCH_KALLSYMS_SYMBOL_VALUE
48static inline unsigned long kallsyms_symbol_value(const Elf_Sym *sym)
49{
50	if (ELF_ST_TYPE(sym->st_info) == STT_FUNC)
51		return sym->st_value & ~1;
52
53	return sym->st_value;
54}
55#endif
56
57#endif /* _ASM_ARM_MODULE_H */