I'm trying to create PackedFunc manually for my baremetal app. Following the
way calling below macro:
example.c
```
#include<tvm/runtime/packed_func.h>
int A_wrapper(blahblah);
TVM_DLL_EXPORT_TYPED_FUNC(A, A_wrapper_);
```
Linking the program complains**: undefined reference to `__dso_handle'.** **I
wonder where does it call dso_handle in stdlib?**
The macro expands into:
```
#define TVM_DLL_EXPORT_TYPED_FUNC(ExportName, Function)
\
extern "C" {
\
TVM_DLL int ExportName(TVMValue* args, int* type_code, int num_args,
TVMValue* out_value, \
int* out_type_code) {
\
try {
\
auto f = Function;
\
using FType =
::tvm::runtime::detail::function_signature<decltype(f)>::FType; \
::tvm::runtime::TVMRetValue rv;
\
::tvm::runtime::detail::unpack_call_by_signature<FType>::run(
\
f, ::tvm::runtime::TVMArgs(args, type_code, num_args), &rv);
\
rv.MoveToCHost(out_value, out_type_code);
\
return 0;
\
} catch (const ::std::runtime_error& _except_) {
\
TVMAPISetLastError(_except_.what());
\
return -1;
\
}
\
}
\
}
```
---
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