wasm-micro-runtime/core/iwasm/fast-jit/jit_codecache.c
Wenyong Huang f7b6cd75c7
Implement part of codegen, add asmjit and zydis ()
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
2022-03-22 12:22:04 +08:00

64 lines
1.5 KiB
C

/*
* Copyright (C) 2021 Intel Corporation. All rights reserved.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
#include "jit_codecache.h"
#include "mem_alloc.h"
#include "jit_compiler.h"
static void *code_cache_pool = NULL;
static uint32 code_cache_pool_size = 0;
static mem_allocator_t code_cache_pool_allocator = NULL;
bool
jit_code_cache_init(uint32 code_cache_size)
{
int map_prot = MMAP_PROT_READ | MMAP_PROT_WRITE | MMAP_PROT_EXEC;
int map_flags = MMAP_MAP_NONE;
if (!(code_cache_pool =
os_mmap(NULL, code_cache_size, map_prot, map_flags))) {
return false;
}
if (!(code_cache_pool_allocator =
mem_allocator_create(code_cache_pool, code_cache_size))) {
os_munmap(code_cache_pool, code_cache_size);
code_cache_pool = NULL;
return false;
}
code_cache_pool_size = code_cache_size;
return true;
}
void
jit_code_cache_destroy()
{
mem_allocator_destroy(code_cache_pool_allocator);
os_munmap(code_cache_pool, code_cache_pool_size);
}
void *
jit_code_cache_alloc(uint32 size)
{
return mem_allocator_malloc(code_cache_pool_allocator, size);
}
void
jit_code_cache_free(void *ptr)
{
if (ptr)
mem_allocator_free(code_cache_pool_allocator, ptr);
}
bool
jit_pass_register_jitted_code(JitCompContext *cc)
{
cc->cur_wasm_func->fast_jit_jitted_code = cc->jitted_addr_begin;
cc->cur_wasm_module->fast_jit_func_ptrs[cc->cur_wasm_func_idx] =
cc->jitted_addr_begin;
return true;
}