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https://github.com/bytecodealliance/wasm-micro-runtime.git
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f7b6cd75c7
Implement part of codegen and fix some frontend issues Add asmjit to emit native code and add zydis to disassemble native code Can successfully run some simple cases
148 lines
2.9 KiB
C
148 lines
2.9 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_COMPILER_H_
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#define _JIT_COMPILER_H_
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#include "bh_platform.h"
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#include "../interpreter/wasm_runtime.h"
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#include "jit_ir.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct JitGlobals {
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/* Compiler pass sequence, the last element must be 0 */
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const uint8 *passes;
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/* Code cache size. */
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uint32 code_cache_size;
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char *return_to_interp_from_jitted;
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} JitGlobals;
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/**
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* Actions the interpreter should do when JITed code returns to
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* interpreter.
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*/
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typedef enum JitInterpAction {
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JIT_INTERP_ACTION_NORMAL, /* normal execution */
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JIT_INTERP_ACTION_THROWN, /* exception was thrown */
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JIT_INTERP_ACTION_CALL /* call wasm function */
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} JitInterpAction;
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/**
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* Information exchanged between JITed code and interpreter.
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*/
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typedef struct JitInterpSwitchInfo {
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/* Points to the frame that is passed to JITed code and the frame
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that is returned from JITed code */
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void *frame;
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/* Output values from JITed code of different actions */
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union {
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/* IP and SP offsets for NORMAL */
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struct {
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int32 ip;
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int32 sp;
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} normal;
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/* Function called from JITed code for CALL */
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struct {
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void *function;
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} call;
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/* Returned integer and/or floating point values for RETURN. This
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is also used to pass return values from interpreter to JITed
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code if the caller is in JITed code and the callee is in
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interpreter. */
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struct {
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uint32 ival[2];
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uint32 fval[2];
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uint32 last_return_type;
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} ret;
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} out;
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} JitInterpSwitchInfo;
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bool
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jit_compiler_init();
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void
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jit_compiler_destroy();
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JitGlobals *
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jit_compiler_get_jit_globals();
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const char *
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jit_compiler_get_pass_name(unsigned i);
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bool
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jit_compiler_compile(WASMModule *module, uint32 func_idx);
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bool
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jit_compiler_compile_all(WASMModule *module);
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int
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jit_interp_switch_to_jitted(void *self, JitInterpSwitchInfo *info, void *pc);
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/*
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* Pass declarations:
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*/
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/**
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* Dump the compilation context.
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*/
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bool
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jit_pass_dump(JitCompContext *cc);
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/**
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* Update CFG (usually before dump for better readability).
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*/
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bool
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jit_pass_update_cfg(JitCompContext *cc);
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/**
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* Translate profiling result into MIR.
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*/
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bool
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jit_pass_frontend(JitCompContext *cc);
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#if 0
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/**
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* Convert MIR to LIR.
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*/
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bool
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jit_pass_lower_fe(JitCompContext *cc);
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#endif
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/**
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* Lower unsupported operations into supported ones.
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*/
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bool
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jit_pass_lower_cg(JitCompContext *cc);
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/**
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* Register allocation.
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*/
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bool
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jit_pass_regalloc(JitCompContext *cc);
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/**
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* Native code generation.
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*/
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bool
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jit_pass_codegen(JitCompContext *cc);
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/**
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* Register the jitted code so that it can be executed.
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*/
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bool
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jit_pass_register_jitted_code(JitCompContext *cc);
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#ifdef __cplusplus
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}
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#endif
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#endif /* end of _JIT_COMPILER_H_ */
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