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58 lines
1.6 KiB
58 lines
1.6 KiB
#pragma once
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#include <unicorn/unicorn.h>
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#include <nt/image.hpp>
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#include <vmprofiler.hpp>
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#define PAGE_4KB 0x1000
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#define STACK_SIZE PAGE_4KB * 512
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#define STACK_BASE 0xFFFF000000000000
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#define IAT_VECTOR_TABLE 0xFFFFF00000000000
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namespace vm
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{
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inline bool g_force_emu = false;
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class emu_t
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{
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struct cpu_ctx_t
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{
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std::uintptr_t rip;
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uc_context *context;
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std::uint8_t stack[ STACK_SIZE ];
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};
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struct code_block_data_t
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{
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vm::instrs::code_block_t code_block;
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std::shared_ptr< cpu_ctx_t > cpu_ctx;
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std::shared_ptr< vm::ctx_t > g_vm_ctx;
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};
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public:
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explicit emu_t( vm::ctx_t *vm_ctx );
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~emu_t();
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bool init();
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bool get_trace( std::vector< vm::instrs::code_block_t > &code_blocks );
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private:
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std::uintptr_t img_base, img_size;
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uc_hook code_exec_hook, invalid_mem_hook, int_hook;
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uc_engine *uc_ctx;
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vm::ctx_t *g_vm_ctx;
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code_block_data_t *cc_block;
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std::vector< std::uintptr_t > vip_begins;
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std::vector< code_block_data_t > code_blocks;
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std::map< std::uintptr_t, std::shared_ptr< vm::ctx_t > > vm_ctxs;
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uc_err create_entry( vmp2::v2::entry_t *entry );
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static void int_callback( uc_engine *uc, std::uint32_t intno, emu_t *obj );
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static bool code_exec_callback( uc_engine *uc, uint64_t address, uint32_t size, emu_t *obj );
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static void invalid_mem( uc_engine *uc, uc_mem_type type, uint64_t address, int size, int64_t value,
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emu_t *obj );
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};
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} // namespace vm
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