xref: /openbmc/linux/arch/arm/include/asm/module.h (revision 022dacdd)
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 
7 struct unwind_table;
8 
9 #ifdef CONFIG_ARM_UNWIND
10 enum {
11 	ARM_SEC_INIT,
12 	ARM_SEC_DEVINIT,
13 	ARM_SEC_CORE,
14 	ARM_SEC_EXIT,
15 	ARM_SEC_DEVEXIT,
16 	ARM_SEC_HOT,
17 	ARM_SEC_UNLIKELY,
18 	ARM_SEC_MAX,
19 };
20 #endif
21 
22 struct mod_plt_sec {
23 	struct elf32_shdr	*plt;
24 	int			plt_count;
25 };
26 
27 struct mod_arch_specific {
28 #ifdef CONFIG_ARM_UNWIND
29 	struct unwind_table *unwind[ARM_SEC_MAX];
30 #endif
31 #ifdef CONFIG_ARM_MODULE_PLTS
32 	struct mod_plt_sec	core;
33 	struct mod_plt_sec	init;
34 #endif
35 };
36 
37 struct module;
38 u32 get_module_plt(struct module *mod, unsigned long loc, Elf32_Addr val);
39 
40 #ifdef CONFIG_THUMB2_KERNEL
41 #define HAVE_ARCH_KALLSYMS_SYMBOL_VALUE
42 static inline unsigned long kallsyms_symbol_value(const Elf_Sym *sym)
43 {
44 	if (ELF_ST_TYPE(sym->st_info) == STT_FUNC)
45 		return sym->st_value & ~1;
46 
47 	return sym->st_value;
48 }
49 #endif
50 
51 #endif /* _ASM_ARM_MODULE_H */
52