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74 lines
2.9 KiB
74 lines
2.9 KiB
#pragma once
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#include <vmprofiler.hpp>
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#include "llvm/IR/BasicBlock.h"
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#include "llvm/IR/Constants.h"
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#include "llvm/IR/DerivedTypes.h"
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#include "llvm/IR/Function.h"
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#include "llvm/IR/IRBuilder.h"
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#include "llvm/IR/IRPrintingPasses.h"
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#include "llvm/IR/LLVMContext.h"
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#include "llvm/IR/Module.h"
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#include "llvm/IR/PassManager.h"
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#include "llvm/IR/Type.h"
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#include "llvm/IR/Verifier.h"
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#include "llvm/Pass.h"
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#include "llvm/Support/raw_ostream.h"
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namespace vm
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{
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// Obsessive-compulsive disorder is characterized by unreasonable
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// thoughts and fears (obsessions) that lead to compulsive behaviors.
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using llvm_type_t = llvm::Type;
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using llvm_value_t = llvm::Value;
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using llvm_module_t = llvm::Module;
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using llvm_context_t = llvm::LLVMContext;
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using llvm_function_t = llvm::Function;
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using llvm_irbuilder_t = llvm::IRBuilder<>;
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using llvm_alloca_inst_t = llvm::AllocaInst;
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using llvm_basic_block_t = llvm::BasicBlock;
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using llvm_global_value_t = llvm::GlobalValue;
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class vmp_rtn_t
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{
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friend class lifters_t;
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public:
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explicit vmp_rtn_t( llvm_context_t *llvm_ctx, llvm_module_t *llvm_module, vm::ctx_t *vm_ctx,
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std::uintptr_t rtn_begin, std::vector< vm::instrs::code_block_t > vmp2_code_blocks );
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llvm_function_t *lift( void );
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private:
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llvm_context_t *llvm_ctx;
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llvm_module_t *llvm_module;
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llvm_function_t *llvm_fptr;
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llvm_alloca_inst_t *virtual_stack, *stack_ptr, *flags;
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vm::ctx_t *vm_ctx;
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std::uintptr_t rtn_begin;
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std::shared_ptr< llvm_irbuilder_t > ir_builder;
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std::map< zydis_register_t, llvm_global_value_t * > native_registers;
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std::vector< llvm_alloca_inst_t * > virtual_registers;
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std::vector< std::pair< std::uintptr_t, llvm_basic_block_t * > > llvm_code_blocks;
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std::vector< vm::instrs::code_block_t > vmp2_code_blocks;
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void push( std::uint8_t byte_size, llvm::Value *input_val );
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llvm::Value *pop( std::uint8_t byte_size );
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llvm::Value *peek( std::uint8_t byte_size, std::uint8_t byte_offset = 0u );
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llvm::Value *load_value( std::uint8_t byte_size, llvm_global_value_t *global );
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llvm::Value *load_value( std::uint8_t byte_size, llvm_alloca_inst_t *var );
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llvm_value_t *compute_sf( std::uint8_t byte_size, llvm_value_t *val );
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llvm_value_t *compute_zf( std::uint8_t byte_size, llvm_value_t *val );
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llvm_value_t *compute_pf( std::uint8_t byte_size, llvm_value_t *val );
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llvm_value_t *combine_flags( llvm_value_t *cf, llvm_value_t *pf, llvm_value_t *af, llvm_value_t *zf,
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llvm_value_t *sf, llvm_value_t *of );
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void create_native_registers( void );
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void create_virtual_registers( void );
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void create_routine( void );
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void create_virtual_stack( void );
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void lift_vm_entry( void );
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};
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} // namespace vm
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