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3096
69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
#pragma once
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#include <assert.h>
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#include <elf.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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namespace rtld {
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struct ModuleObject {
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private:
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// ResolveSymbols internals
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inline void ResolveSymbolRelAbsolute(Elf64_Rel *entry);
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inline void ResolveSymbolRelaAbsolute(Elf64_Rela *entry);
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inline void ResolveSymbolRelJumpSlot(Elf64_Rel *entry,
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bool do_lazy_got_init);
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inline void ResolveSymbolRelaJumpSlot(Elf64_Rela *entry,
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bool do_lazy_got_init);
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public:
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struct ModuleObject *next;
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struct ModuleObject *prev;
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union {
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Elf64_Rel *rel;
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Elf64_Rela *rela;
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void *raw;
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} rela_or_rel_plt;
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union {
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Elf64_Rel *rel;
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Elf64_Rela *rela;
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} rela_or_rel;
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uint64_t module_base;
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Elf64_Dyn *dynamic;
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bool is_rela;
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uint64_t rela_or_rel_plt_size;
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void (*dt_init)(void);
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void (*dt_fini)(void);
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uint32_t *hash_bucket;
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uint32_t *hash_chain;
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char *dynstr;
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Elf64_Sym *dynsym;
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uint64_t dynstr_size;
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void **got;
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uint64_t rela_dyn_size;
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uint64_t rel_dyn_size;
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uint64_t rel_count;
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uint64_t rela_count;
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uint64_t hash_nchain_value;
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uint64_t hash_nbucket_value;
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uint64_t got_stub_ptr;
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#ifdef __RTLD_6XX__
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uint64_t soname_idx;
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uint64_t nro_size;
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bool cannot_revert_symbols;
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#endif
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void Initialize(uint64_t aslr_base, Elf64_Dyn *dynamic);
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void Relocate();
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Elf64_Sym *GetSymbolByName(const char *name);
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void ResolveSymbols(bool do_lazy_got_init);
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bool TryResolveSymbol(Elf64_Addr *target_symbol_address, Elf64_Sym *symbol);
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};
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/*#ifdef __RTLD_6XX__
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static_assert(sizeof(ModuleObject) == 0xD0, "ModuleObject size isn't valid");
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#else
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static_assert(sizeof(ModuleObject) == 0xB8, "ModuleObject size isn't valid");
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#endif*/
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} // namespace rtld
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