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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
64 lines
1.5 KiB
C
64 lines
1.5 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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#include "jit_codecache.h"
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#include "mem_alloc.h"
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#include "jit_compiler.h"
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static void *code_cache_pool = NULL;
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static uint32 code_cache_pool_size = 0;
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static mem_allocator_t code_cache_pool_allocator = NULL;
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bool
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jit_code_cache_init(uint32 code_cache_size)
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{
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int map_prot = MMAP_PROT_READ | MMAP_PROT_WRITE | MMAP_PROT_EXEC;
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int map_flags = MMAP_MAP_NONE;
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if (!(code_cache_pool =
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os_mmap(NULL, code_cache_size, map_prot, map_flags))) {
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return false;
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}
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if (!(code_cache_pool_allocator =
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mem_allocator_create(code_cache_pool, code_cache_size))) {
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os_munmap(code_cache_pool, code_cache_size);
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code_cache_pool = NULL;
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return false;
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}
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code_cache_pool_size = code_cache_size;
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return true;
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}
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void
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jit_code_cache_destroy()
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{
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mem_allocator_destroy(code_cache_pool_allocator);
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os_munmap(code_cache_pool, code_cache_pool_size);
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}
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void *
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jit_code_cache_alloc(uint32 size)
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{
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return mem_allocator_malloc(code_cache_pool_allocator, size);
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}
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void
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jit_code_cache_free(void *ptr)
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{
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if (ptr)
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mem_allocator_free(code_cache_pool_allocator, ptr);
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}
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bool
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jit_pass_register_jitted_code(JitCompContext *cc)
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{
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cc->cur_wasm_func->fast_jit_jitted_code = cc->jitted_addr_begin;
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cc->cur_wasm_module->fast_jit_func_ptrs[cc->cur_wasm_func_idx] =
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cc->jitted_addr_begin;
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return true;
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}
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