| 1 |
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| 2 | #ifndef _ASM_ARM_MODULE_H
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| 3 | #define _ASM_ARM_MODULE_H
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| 4 |
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| 5 | #include <asm-generic/module.h>
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| 6 | #include <asm/unwind.h>
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| 7 |
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| 8 | #ifdef CONFIG_ARM_UNWIND
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| 9 | #define ELF_SECTION_UNWIND 0x70000001
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| 10 | #endif
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| 11 |
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| 12 | #define PLT_ENT_STRIDE L1_CACHE_BYTES
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| 13 | #define PLT_ENT_COUNT (PLT_ENT_STRIDE / sizeof(u32))
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| 14 | #define PLT_ENT_SIZE (sizeof(struct plt_entries) / PLT_ENT_COUNT)
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| 15 |
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| 16 | struct plt_entries {
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| 17 | u32 ldr[PLT_ENT_COUNT];
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| 18 | u32 lit[PLT_ENT_COUNT];
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| 19 | };
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| 20 |
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| 21 | struct mod_plt_sec {
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| 22 | struct elf32_shdr *plt;
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| 23 | struct plt_entries *plt_ent;
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| 24 | int plt_count;
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| 25 | };
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| 26 |
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| 27 | struct mod_arch_specific {
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| 28 | #ifdef CONFIG_ARM_UNWIND
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| 29 | struct list_head unwind_list;
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| 30 | struct unwind_table *init_table;
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| 31 | #endif
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| 32 | #ifdef CONFIG_ARM_MODULE_PLTS
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| 33 | struct mod_plt_sec core;
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| 34 | struct mod_plt_sec init;
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| 35 | #endif
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| 36 | };
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| 37 |
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| 38 | struct module;
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| 39 | u32 get_module_plt(struct module *mod, unsigned long loc, Elf32_Addr val);
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| 40 | #ifdef CONFIG_ARM_MODULE_PLTS
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| 41 | bool in_module_plt(unsigned long loc);
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| 42 | #else
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| 43 | static inline bool in_module_plt(unsigned long loc) { return false; }
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| 44 | #endif
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| 45 |
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| 46 | #ifdef CONFIG_THUMB2_KERNEL
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| 47 | #define HAVE_ARCH_KALLSYMS_SYMBOL_VALUE
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| 48 | static inline unsigned long kallsyms_symbol_value(const Elf_Sym *sym)
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| 49 | {
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| 50 | if (ELF_ST_TYPE(sym->st_info) == STT_FUNC)
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| 51 | return sym->st_value & ~1;
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| 52 |
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| 53 | return sym->st_value;
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| 54 | }
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| 55 | #endif
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| 56 |
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| 57 | #endif
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