aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/include/asm/module.h
blob: e358b7966c066f46974ed743878b5d086d24507a (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
#ifndef _ASM_ARM_MODULE_H
#define _ASM_ARM_MODULE_H

#include <asm-generic/module.h>

struct unwind_table;

#ifdef CONFIG_ARM_UNWIND
enum {
	ARM_SEC_INIT,
	ARM_SEC_DEVINIT,
	ARM_SEC_CORE,
	ARM_SEC_EXIT,
	ARM_SEC_DEVEXIT,
	ARM_SEC_HOT,
	ARM_SEC_UNLIKELY,
	ARM_SEC_MAX,
};
#endif

struct mod_arch_specific {
#ifdef CONFIG_ARM_UNWIND
	struct unwind_table *unwind[ARM_SEC_MAX];
#endif
#ifdef CONFIG_ARM_MODULE_PLTS
	struct elf32_shdr   *core_plt;
	struct elf32_shdr   *init_plt;
	int		    core_plt_count;
	int		    init_plt_count;
#endif
};

u32 get_module_plt(struct module *mod, unsigned long loc, Elf32_Addr val);

/*
 * Add the ARM architecture version to the version magic string
 */
#define MODULE_ARCH_VERMAGIC_ARMVSN "ARMv" __stringify(__LINUX_ARM_ARCH__) " "

/* Add __virt_to_phys patching state as well */
#ifdef CONFIG_ARM_PATCH_PHYS_VIRT
#define MODULE_ARCH_VERMAGIC_P2V "p2v8 "
#else
#define MODULE_ARCH_VERMAGIC_P2V ""
#endif

/* Add instruction set architecture tag to distinguish ARM/Thumb kernels */
#ifdef CONFIG_THUMB2_KERNEL
#define MODULE_ARCH_VERMAGIC_ARMTHUMB "thumb2 "
#else
#define MODULE_ARCH_VERMAGIC_ARMTHUMB ""
#endif

#define MODULE_ARCH_VERMAGIC \
	MODULE_ARCH_VERMAGIC_ARMVSN \
	MODULE_ARCH_VERMAGIC_ARMTHUMB \
	MODULE_ARCH_VERMAGIC_P2V

#endif /* _ASM_ARM_MODULE_H */