/* ###
 * IP: GHIDRA
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
// Assigns custom storage for params of a Go function to match Go's abi-internal
// register-based calling convention, or abi0 (all stack based) if abi-internal is not 
// specified for the arch.
//@category Functions
//@menupath Tools.Fix Go Function Param Storage 
import ghidra.app.script.GhidraScript;
import ghidra.app.util.bin.format.golang.GoFunctionFixup;
import ghidra.app.util.bin.format.golang.GoVer;
import ghidra.app.util.bin.format.golang.rtti.GoRttiMapper;
import ghidra.program.model.listing.Function;

public class FixupGolangFuncParamStorageScript extends GhidraScript {

	@Override
	protected void run() throws Exception {
		Function func;
		if (currentAddress == null || (func = getFunctionContaining(currentAddress)) == null) {
			return;
		}
		GoVer goVersion = GoVer.fromProgramProperties(currentProgram);
		if (goVersion == GoVer.INVALID) {
			goVersion = askChoice("Go Version", "What is the Go version?",
				GoRttiMapper.getAllSupportedVersions(), GoVer.INVALID);
		}
		println("Fixing param storage for function %s@%s".formatted(func.getName(),
			func.getEntryPoint()));
		GoFunctionFixup fixup = new GoFunctionFixup(func, goVersion);
		fixup.apply();
	}

}