xref: /openbmc/linux/arch/arm64/include/asm/module.h (revision 1c2dd16a)
1 /*
2  * Copyright (C) 2012 ARM Ltd.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License version 2 as
6  * published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
15  */
16 #ifndef __ASM_MODULE_H
17 #define __ASM_MODULE_H
18 
19 #include <asm-generic/module.h>
20 #include <asm/memory.h>
21 
22 #define MODULE_ARCH_VERMAGIC	"aarch64"
23 
24 #ifdef CONFIG_ARM64_MODULE_PLTS
25 struct mod_arch_specific {
26 	struct elf64_shdr	*plt;
27 	int			plt_num_entries;
28 	int			plt_max_entries;
29 };
30 #endif
31 
32 u64 module_emit_plt_entry(struct module *mod, const Elf64_Rela *rela,
33 			  Elf64_Sym *sym);
34 
35 #ifdef CONFIG_RANDOMIZE_BASE
36 #ifdef CONFIG_MODVERSIONS
37 #define ARCH_RELOCATES_KCRCTAB
38 #define reloc_start 		(kimage_vaddr - KIMAGE_VADDR)
39 #endif
40 extern u64 module_alloc_base;
41 #else
42 #define module_alloc_base	((u64)_etext - MODULES_VSIZE)
43 #endif
44 
45 #endif /* __ASM_MODULE_H */
46