xref: /openbmc/linux/arch/arm/include/asm/module.h (revision f220d3eb)
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 /*
41  * Add the ARM architecture version to the version magic string
42  */
43 #define MODULE_ARCH_VERMAGIC_ARMVSN "ARMv" __stringify(__LINUX_ARM_ARCH__) " "
44 
45 /* Add __virt_to_phys patching state as well */
46 #ifdef CONFIG_ARM_PATCH_PHYS_VIRT
47 #define MODULE_ARCH_VERMAGIC_P2V "p2v8 "
48 #else
49 #define MODULE_ARCH_VERMAGIC_P2V ""
50 #endif
51 
52 /* Add instruction set architecture tag to distinguish ARM/Thumb kernels */
53 #ifdef CONFIG_THUMB2_KERNEL
54 #define MODULE_ARCH_VERMAGIC_ARMTHUMB "thumb2 "
55 #else
56 #define MODULE_ARCH_VERMAGIC_ARMTHUMB ""
57 #endif
58 
59 #define MODULE_ARCH_VERMAGIC \
60 	MODULE_ARCH_VERMAGIC_ARMVSN \
61 	MODULE_ARCH_VERMAGIC_ARMTHUMB \
62 	MODULE_ARCH_VERMAGIC_P2V
63 
64 #endif /* _ASM_ARM_MODULE_H */
65