blob: d1a942e31477bf777fd429443e5eaced5c785f27 [file] [log] [blame]
// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#ifndef RUNTIME_VM_COMPILER_FFI_NATIVE_CALLING_CONVENTION_H_
#define RUNTIME_VM_COMPILER_FFI_NATIVE_CALLING_CONVENTION_H_
#if defined(DART_PRECOMPILED_RUNTIME)
#error "AOT runtime should not use compiler sources (including header files)"
#endif // defined(DART_PRECOMPILED_RUNTIME)
#include "platform/globals.h"
#include "vm/compiler/ffi/native_location.h"
#include "vm/compiler/ffi/native_type.h"
namespace dart {
namespace compiler {
namespace ffi {
using NativeLocations = ZoneGrowableArray<const NativeLocation*>;
// Calculates native calling convention, is not aware of Dart calling
// convention constraints.
//
// This class is meant to be embedded in a class that is aware of Dart calling
// convention constraints.
class NativeCallingConvention : public ZoneAllocated {
public:
static const NativeCallingConvention& FromSignature(
Zone* zone,
const NativeFunctionType& signature);
const NativeLocations& argument_locations() const {
return argument_locations_;
}
const NativeLocation& return_location() const { return return_location_; }
intptr_t StackTopInBytes() const;
void PrintTo(BaseTextBuffer* f, bool multi_line = false) const;
void PrintToMultiLine(BaseTextBuffer* f) const;
const char* ToCString(Zone* zone, bool multi_line = false) const;
#if !defined(FFI_UNIT_TESTS)
const char* ToCString(bool multi_line = false) const;
#endif
private:
NativeCallingConvention(const NativeLocations& argument_locations,
const NativeLocation& return_location)
: argument_locations_(argument_locations),
return_location_(return_location) {}
const NativeLocations& argument_locations_;
const NativeLocation& return_location_;
};
} // namespace ffi
} // namespace compiler
} // namespace dart
#endif // RUNTIME_VM_COMPILER_FFI_NATIVE_CALLING_CONVENTION_H_