14288f59b0
Implement 2-level Multi-tier JIT engine: tier-up from Fast JIT to LLVM JIT to get quick cold startup by Fast JIT and better performance by gradually switching to LLVM JIT when the LLVM JIT functions are compiled by the backend threads. Refer to: https://github.com/bytecodealliance/wasm-micro-runtime/issues/1302
94 lines
1.9 KiB
C
94 lines
1.9 KiB
C
/*
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* Copyright (C) 2021 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 _JIT_CODEGEN_H_
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#define _JIT_CODEGEN_H_
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#include "bh_platform.h"
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#include "jit_compiler.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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* Initialize codegen module, such as instruction encoder.
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*
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* @return true if succeeded; false if failed.
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*/
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bool
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jit_codegen_init();
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/**
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* Destroy codegen module, such as instruction encoder.
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*/
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void
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jit_codegen_destroy();
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/**
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* Get hard register information of each kind.
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*
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* @return the JitHardRegInfo array of each kind
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*/
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const JitHardRegInfo *
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jit_codegen_get_hreg_info();
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/**
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* Get hard register by name.
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*
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* @param name the name of the hard register
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*
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* @return the hard register of the name
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*/
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JitReg
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jit_codegen_get_hreg_by_name(const char *name);
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/**
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* Generate native code for the given compilation context
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*
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* @param cc the compilation context that is ready to do codegen
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*
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* @return true if succeeds, false otherwise
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*/
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bool
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jit_codegen_gen_native(JitCompContext *cc);
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/**
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* lower unsupported operations to supported ones for the target.
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*
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* @param cc the compilation context that is ready to do codegen
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*
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* @return true if succeeds, false otherwise
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*/
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bool
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jit_codegen_lower(JitCompContext *cc);
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#if WASM_ENABLE_LAZY_JIT != 0 && WASM_ENABLE_JIT != 0
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void *
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jit_codegen_compile_call_to_llvm_jit(const WASMType *func_type);
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void *
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jit_codegen_compile_call_to_fast_jit(const WASMModule *module, uint32 func_idx);
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#endif
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/**
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* Dump native code in the given range to assembly.
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*
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* @param begin_addr begin address of the native code
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* @param end_addr end address of the native code
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*/
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void
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jit_codegen_dump_native(void *begin_addr, void *end_addr);
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int
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jit_codegen_interp_jitted_glue(void *self, JitInterpSwitchInfo *info,
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uint32 func_idx, void *pc);
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#ifdef __cplusplus
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}
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#endif
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#endif /* end of _JIT_CODEGEN_H_ */
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