int* getGoPtr()
{
	__SIZE_TYPE__ _cgo_ctxt = _cgo_wait_runtime_init_done();
	struct {
		int* r0;
	} __attribute__((__packed__)) a;
	_cgo_tsan_release();
	crosscall2(_cgoexp_95d42b8e6230_getGoPtr, &a, 8, _cgo_ctxt);
	_cgo_tsan_acquire();
	_cgo_release_context(_cgo_ctxt);
	return a.r0;
}
其中 `_cgo_tsan_acquire` 是从 LLVM 项目移植过来的内存指针扫描函数,它会检查 cgo 函数返回的结果是否包含 Go 指针。

 public _cgoexp_d414b5060daa_getGoPtr
 _cgoexp_d414b5060daa_getGoPtr proc near 

 var_8 = qword ptr -8
 a = qword ptr 8
cmprsp,[r14+10h]
jbe short loc_45B538
subrsp,18h
mov[rsp+18h+var_8],rbp
learbp,[rsp+18h+var_8]
mov[rsp+18h+a],rax
learax, unk_4607C0
call runtime_newobject
movrdi,[rsp+18h+a] ; val
test[rdi],al
cmp dword ptr cs:runtime_writeBarrier.enabled,0
jnz short loc_45B51A
mov[rdi],rax
jmp short loc_45B51F
 loc_45B51A: 
call runtime_gcWriteBarrier
 loc_45B51F: 
movrbx,rax
learax, unk_45EC00
call runtime_cgoCheckResult
movrbp,[rsp+18h+var_8]
addrsp,18h
 retn