xref: /openbmc/linux/arch/arm/include/asm/module.h (revision 7bcae826)
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_arch_specific {
22 #ifdef CONFIG_ARM_UNWIND
23 	struct unwind_table *unwind[ARM_SEC_MAX];
24 #endif
25 #ifdef CONFIG_ARM_MODULE_PLTS
26 	struct elf32_shdr   *plt;
27 	int		    plt_count;
28 #endif
29 };
30 
31 u32 get_module_plt(struct module *mod, unsigned long loc, Elf32_Addr val);
32 
33 /*
34  * Add the ARM architecture version to the version magic string
35  */
36 #define MODULE_ARCH_VERMAGIC_ARMVSN "ARMv" __stringify(__LINUX_ARM_ARCH__) " "
37 
38 /* Add __virt_to_phys patching state as well */
39 #ifdef CONFIG_ARM_PATCH_PHYS_VIRT
40 #define MODULE_ARCH_VERMAGIC_P2V "p2v8 "
41 #else
42 #define MODULE_ARCH_VERMAGIC_P2V ""
43 #endif
44 
45 /* Add instruction set architecture tag to distinguish ARM/Thumb kernels */
46 #ifdef CONFIG_THUMB2_KERNEL
47 #define MODULE_ARCH_VERMAGIC_ARMTHUMB "thumb2 "
48 #else
49 #define MODULE_ARCH_VERMAGIC_ARMTHUMB ""
50 #endif
51 
52 #define MODULE_ARCH_VERMAGIC \
53 	MODULE_ARCH_VERMAGIC_ARMVSN \
54 	MODULE_ARCH_VERMAGIC_ARMTHUMB \
55 	MODULE_ARCH_VERMAGIC_P2V
56 
57 #endif /* _ASM_ARM_MODULE_H */
58