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https://github.com/bytecodealliance/wasm-micro-runtime.git
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0d3f304191
Modified WASM runtime API: - wasm_runtime_module_malloc() - wasm_runtime_lookup_function() Introduced runtime API - wasm_runtime_register_natives()
274 lines
6.1 KiB
C
274 lines
6.1 KiB
C
/*
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* Copyright (C) 2019 Intel Corporation. All rights reserved.
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* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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*/
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#ifndef _AOT_LLVM_H_
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#define _AOT_LLVM_H_
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#include "aot.h"
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#include "llvm-c/Types.h"
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#include "llvm-c/Target.h"
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#include "llvm-c/Core.h"
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#include "llvm-c/Object.h"
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#include "llvm-c/ExecutionEngine.h"
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#include "llvm-c/Analysis.h"
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#include "llvm-c/Transforms/Scalar.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Value in the WASM operation stack, each stack element
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* is an LLVM value
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*/
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typedef struct AOTValue {
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struct AOTValue *next;
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struct AOTValue *prev;
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LLVMValueRef value;
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/* VALUE_TYPE_I32/I64/F32/F64/VOID */
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uint8 type;
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} AOTValue;
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/**
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* Value stack, represents stack elements in a WASM block
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*/
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typedef struct AOTValueStack {
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AOTValue *value_list_head;
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AOTValue *value_list_end;
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} AOTValueStack;
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typedef struct AOTBlock {
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struct AOTBlock *next;
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struct AOTBlock *prev;
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/* Block index */
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uint32 block_index;
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/* BLOCK_TYPE_BLOCK/LOOP/IF/FUNCTION */
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uint32 block_type;
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/* VALUE_TYPE_I32/I64/F32/F64/VOID */
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uint8 return_type;
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/* Whether it is reachable */
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bool is_reachable;
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/* Whether skip translation of wasm else branch */
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bool skip_wasm_code_else;
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/* code of else opcode of this block, if it is a IF block */
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uint8 *wasm_code_else;
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/* code end of this block */
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uint8 *wasm_code_end;
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/* LLVM label points to code begin */
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LLVMBasicBlockRef llvm_entry_block;
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/* LLVM label points to code else */
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LLVMBasicBlockRef llvm_else_block;
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/* LLVM label points to code end */
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LLVMBasicBlockRef llvm_end_block;
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/* WASM operation stack */
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AOTValueStack value_stack;
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/* Return value of this block, a PHI node */
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LLVMValueRef return_value_phi;
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} AOTBlock;
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/**
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* Block stack, represents WASM block stack elements
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*/
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typedef struct AOTBlockStack {
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AOTBlock *block_list_head;
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AOTBlock *block_list_end;
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/* Current block index of each block type */
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uint32 block_index[3];
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} AOTBlockStack;
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typedef struct AOTFuncContext {
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AOTFunc *aot_func;
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LLVMValueRef func;
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AOTBlockStack block_stack;
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LLVMValueRef exec_env;
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LLVMValueRef aot_inst;
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LLVMValueRef table_base;
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LLVMValueRef argv_buf;
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LLVMValueRef mem_data_size;
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LLVMValueRef mem_base_addr;
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LLVMValueRef mem_bound_1_byte;
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LLVMValueRef mem_bound_2_bytes;
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LLVMValueRef mem_bound_4_bytes;
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LLVMValueRef mem_bound_8_bytes;
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LLVMValueRef heap_base_offset;
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LLVMValueRef heap_base_addr;
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LLVMValueRef heap_data_size;
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LLVMValueRef heap_bound_1_byte;
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LLVMValueRef heap_bound_2_bytes;
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LLVMValueRef heap_bound_4_bytes;
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LLVMValueRef heap_bound_8_bytes;
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LLVMValueRef cur_exception;
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bool mem_space_unchanged;
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LLVMBasicBlockRef *exception_blocks;
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LLVMBasicBlockRef got_exception_block;
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LLVMBasicBlockRef func_return_block;
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LLVMValueRef exception_id_phi;
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LLVMValueRef func_ptrs;
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LLVMValueRef func_type_indexes;
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LLVMValueRef locals[1];
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} AOTFuncContext;
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typedef struct AOTLLVMTypes {
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LLVMTypeRef int1_type;
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LLVMTypeRef int8_type;
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LLVMTypeRef int16_type;
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LLVMTypeRef int32_type;
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LLVMTypeRef int64_type;
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LLVMTypeRef float32_type;
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LLVMTypeRef float64_type;
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LLVMTypeRef void_type;
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LLVMTypeRef int8_ptr_type;
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LLVMTypeRef int16_ptr_type;
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LLVMTypeRef int32_ptr_type;
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LLVMTypeRef int64_ptr_type;
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LLVMTypeRef float32_ptr_type;
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LLVMTypeRef float64_ptr_type;
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LLVMTypeRef void_ptr_type;
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LLVMTypeRef meta_data_type;
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} AOTLLVMTypes;
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typedef struct AOTLLVMConsts {
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LLVMValueRef i8_zero;
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LLVMValueRef i32_zero;
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LLVMValueRef i64_zero;
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LLVMValueRef f32_zero;
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LLVMValueRef f64_zero;
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LLVMValueRef i32_one;
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LLVMValueRef i32_two;
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LLVMValueRef i32_three;
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LLVMValueRef i32_four;
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LLVMValueRef i32_eight;
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LLVMValueRef i32_neg_one;
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LLVMValueRef i64_neg_one;
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LLVMValueRef i32_min;
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LLVMValueRef i64_min;
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LLVMValueRef i32_31;
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LLVMValueRef i32_32;
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LLVMValueRef i64_63;
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LLVMValueRef i64_64;
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} AOTLLVMConsts;
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/**
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* Compiler context
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*/
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typedef struct AOTCompContext {
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AOTCompData *comp_data;
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/* LLVM variables required to emit LLVM IR */
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LLVMContextRef context;
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LLVMModuleRef module;
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LLVMBuilderRef builder;
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LLVMTargetMachineRef target_machine;
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char *target_cpu;
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char target_arch[16];
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/* LLVM execution engine required by JIT */
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LLVMExecutionEngineRef exec_engine;
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bool is_jit_mode;
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/* Whether optimize the JITed code */
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bool optimize;
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/* LLVM pass manager to optimize the JITed code */
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LLVMPassManagerRef pass_mgr;
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/* LLVM floating-point rounding mode metadata */
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LLVMValueRef fp_rounding_mode;
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/* LLVM floating-point exception behavior metadata */
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LLVMValueRef fp_exception_behavior;
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/* LLVM data types */
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AOTLLVMTypes basic_types;
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LLVMTypeRef exec_env_type;
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LLVMTypeRef aot_inst_type;
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/* LLVM const values */
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AOTLLVMConsts llvm_consts;
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/* Function contexts */
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AOTFuncContext **func_ctxes;
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uint32 func_ctx_count;
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} AOTCompContext;
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enum {
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AOT_FORMAT_FILE,
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AOT_OBJECT_FILE,
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AOT_LLVMIR_UNOPT_FILE,
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AOT_LLVMIR_OPT_FILE,
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};
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typedef struct AOTCompOption{
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bool is_jit_mode;
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char *target_arch;
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char *target_abi;
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char *target_cpu;
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char *cpu_features;
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uint32 opt_level;
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uint32 size_level;
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uint32 output_format;
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} AOTCompOption, *aot_comp_option_t;
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AOTCompContext *
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aot_create_comp_context(AOTCompData *comp_data,
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aot_comp_option_t option);
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void
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aot_destroy_comp_context(AOTCompContext *comp_ctx);
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bool
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aot_compile_wasm(AOTCompContext *comp_ctx);
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uint8*
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aot_emit_elf_file(AOTCompContext *comp_ctx, uint32 *p_elf_file_size);
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void
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aot_destroy_elf_file(uint8 *elf_file);
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void
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aot_value_stack_push(AOTValueStack *stack, AOTValue *value);
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AOTValue *
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aot_value_stack_pop(AOTValueStack *stack);
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void
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aot_value_stack_destroy(AOTValueStack *stack);
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void
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aot_block_stack_push(AOTBlockStack *stack, AOTBlock *block);
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AOTBlock *
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aot_block_stack_pop(AOTBlockStack *stack);
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void
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aot_block_stack_destroy(AOTBlockStack *stack);
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void
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aot_block_destroy(AOTBlock *block);
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LLVMTypeRef
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wasm_type_to_llvm_type(AOTLLVMTypes *llvm_types, uint8 wasm_type);
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#ifdef __cplusplus
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} /* end of extern "C" */
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#endif
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#endif /* end of _AOT_LLVM_H_ */
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