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a00acbab45
The UtilityFunction ctor was dropping the text argument. Probably for that reason ClangUtilityFunction was setting the parent's member directly instead of deferring to the parent ctor. Also change the signatures to take strings which are std::moved in place.
110 lines
3.3 KiB
C++
110 lines
3.3 KiB
C++
//===-- UtilityFunction.cpp -----------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Host/Config.h"
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#include <stdio.h>
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#if HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#include "lldb/Core/Module.h"
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#include "lldb/Core/StreamFile.h"
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#include "lldb/Expression/DiagnosticManager.h"
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#include "lldb/Expression/FunctionCaller.h"
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#include "lldb/Expression/IRExecutionUnit.h"
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#include "lldb/Expression/UtilityFunction.h"
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#include "lldb/Host/Host.h"
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#include "lldb/Target/ExecutionContext.h"
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#include "lldb/Target/Process.h"
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#include "lldb/Target/Target.h"
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#include "lldb/Utility/ConstString.h"
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#include "lldb/Utility/Log.h"
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#include "lldb/Utility/Stream.h"
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using namespace lldb_private;
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using namespace lldb;
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char UtilityFunction::ID;
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/// Constructor
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///
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/// \param[in] text
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/// The text of the function. Must be a full translation unit.
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///
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/// \param[in] name
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/// The name of the function, as used in the text.
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UtilityFunction::UtilityFunction(ExecutionContextScope &exe_scope,
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std::string text, std::string name)
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: Expression(exe_scope), m_execution_unit_sp(), m_jit_module_wp(),
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m_function_text(std::move(text)), m_function_name(std::move(name)) {}
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UtilityFunction::~UtilityFunction() {
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lldb::ProcessSP process_sp(m_jit_process_wp.lock());
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if (process_sp) {
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lldb::ModuleSP jit_module_sp(m_jit_module_wp.lock());
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if (jit_module_sp)
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process_sp->GetTarget().GetImages().Remove(jit_module_sp);
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}
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}
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// FIXME: We should check that every time this is called it is called with the
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// same return type & arguments...
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FunctionCaller *UtilityFunction::MakeFunctionCaller(
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const CompilerType &return_type, const ValueList &arg_value_list,
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lldb::ThreadSP thread_to_use_sp, Status &error) {
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if (m_caller_up)
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return m_caller_up.get();
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ProcessSP process_sp = m_jit_process_wp.lock();
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if (!process_sp) {
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error.SetErrorString("Can't make a function caller without a process.");
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return nullptr;
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}
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Address impl_code_address;
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impl_code_address.SetOffset(StartAddress());
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std::string name(m_function_name);
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name.append("-caller");
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m_caller_up.reset(process_sp->GetTarget().GetFunctionCallerForLanguage(
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Language(), return_type, impl_code_address, arg_value_list, name.c_str(),
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error));
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if (error.Fail()) {
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return nullptr;
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}
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if (m_caller_up) {
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DiagnosticManager diagnostics;
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unsigned num_errors =
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m_caller_up->CompileFunction(thread_to_use_sp, diagnostics);
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if (num_errors) {
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error.SetErrorStringWithFormat(
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"Error compiling %s caller function: \"%s\".",
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m_function_name.c_str(), diagnostics.GetString().c_str());
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m_caller_up.reset();
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return nullptr;
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}
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diagnostics.Clear();
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ExecutionContext exe_ctx(process_sp);
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if (!m_caller_up->WriteFunctionWrapper(exe_ctx, diagnostics)) {
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error.SetErrorStringWithFormat(
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"Error inserting caller function for %s: \"%s\".",
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m_function_name.c_str(), diagnostics.GetString().c_str());
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m_caller_up.reset();
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return nullptr;
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}
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}
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return m_caller_up.get();
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}
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