xref: /openbmc/linux/arch/arm/include/asm/module.h (revision 28efb0046512e8a13ed9f9bdf0d68d10bbfbe9cf)
1 #ifndef _ASM_ARM_MODULE_H
2 #define _ASM_ARM_MODULE_H
3 
4 #include <asm-generic/module.h>
5 
6 struct unwind_table;
7 
8 #ifdef CONFIG_ARM_UNWIND
9 enum {
10 	ARM_SEC_INIT,
11 	ARM_SEC_DEVINIT,
12 	ARM_SEC_CORE,
13 	ARM_SEC_EXIT,
14 	ARM_SEC_DEVEXIT,
15 	ARM_SEC_HOT,
16 	ARM_SEC_UNLIKELY,
17 	ARM_SEC_MAX,
18 };
19 #endif
20 
21 struct mod_plt_sec {
22 	struct elf32_shdr	*plt;
23 	int			plt_count;
24 };
25 
26 struct mod_arch_specific {
27 #ifdef CONFIG_ARM_UNWIND
28 	struct unwind_table *unwind[ARM_SEC_MAX];
29 #endif
30 #ifdef CONFIG_ARM_MODULE_PLTS
31 	struct mod_plt_sec	core;
32 	struct mod_plt_sec	init;
33 #endif
34 };
35 
36 u32 get_module_plt(struct module *mod, unsigned long loc, Elf32_Addr val);
37 
38 /*
39  * Add the ARM architecture version to the version magic string
40  */
41 #define MODULE_ARCH_VERMAGIC_ARMVSN "ARMv" __stringify(__LINUX_ARM_ARCH__) " "
42 
43 /* Add __virt_to_phys patching state as well */
44 #ifdef CONFIG_ARM_PATCH_PHYS_VIRT
45 #define MODULE_ARCH_VERMAGIC_P2V "p2v8 "
46 #else
47 #define MODULE_ARCH_VERMAGIC_P2V ""
48 #endif
49 
50 /* Add instruction set architecture tag to distinguish ARM/Thumb kernels */
51 #ifdef CONFIG_THUMB2_KERNEL
52 #define MODULE_ARCH_VERMAGIC_ARMTHUMB "thumb2 "
53 #else
54 #define MODULE_ARCH_VERMAGIC_ARMTHUMB ""
55 #endif
56 
57 #define MODULE_ARCH_VERMAGIC \
58 	MODULE_ARCH_VERMAGIC_ARMVSN \
59 	MODULE_ARCH_VERMAGIC_ARMTHUMB \
60 	MODULE_ARCH_VERMAGIC_P2V
61 
62 #endif /* _ASM_ARM_MODULE_H */
63