Update prebuilt Clang to r365631c1 from Android.
The version we had was segfaulting.
Bug: 132420445
Change-Id: Icb45a6fe0b4e2166f7895e669df1157cec9fb4e0
diff --git a/linux-x64/clang/include/lldb/Expression/ExpressionVariable.h b/linux-x64/clang/include/lldb/Expression/ExpressionVariable.h
new file mode 100644
index 0000000..08c9872
--- /dev/null
+++ b/linux-x64/clang/include/lldb/Expression/ExpressionVariable.h
@@ -0,0 +1,256 @@
+//===-- ExpressionVariable.h ------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_ExpressionVariable_h_
+#define liblldb_ExpressionVariable_h_
+
+#include <memory>
+#include <vector>
+
+#include "llvm/ADT/DenseMap.h"
+
+#include "lldb/Core/ValueObject.h"
+#include "lldb/Utility/ConstString.h"
+#include "lldb/lldb-public.h"
+
+namespace lldb_private {
+
+class ExpressionVariable
+ : public std::enable_shared_from_this<ExpressionVariable> {
+public:
+ // See TypeSystem.h for how to add subclasses to this.
+ enum LLVMCastKind { eKindClang, eKindSwift, eKindGo, kNumKinds };
+
+ LLVMCastKind getKind() const { return m_kind; }
+
+ ExpressionVariable(LLVMCastKind kind) : m_flags(0), m_kind(kind) {}
+
+ virtual ~ExpressionVariable();
+
+ size_t GetByteSize() { return m_frozen_sp->GetByteSize(); }
+
+ ConstString GetName() { return m_frozen_sp->GetName(); }
+
+ lldb::ValueObjectSP GetValueObject() { return m_frozen_sp; }
+
+ uint8_t *GetValueBytes();
+
+ void ValueUpdated() { m_frozen_sp->ValueUpdated(); }
+
+ RegisterInfo *GetRegisterInfo() {
+ return m_frozen_sp->GetValue().GetRegisterInfo();
+ }
+
+ void SetRegisterInfo(const RegisterInfo *reg_info) {
+ return m_frozen_sp->GetValue().SetContext(
+ Value::eContextTypeRegisterInfo, const_cast<RegisterInfo *>(reg_info));
+ }
+
+ CompilerType GetCompilerType() { return m_frozen_sp->GetCompilerType(); }
+
+ void SetCompilerType(const CompilerType &compiler_type) {
+ m_frozen_sp->GetValue().SetCompilerType(compiler_type);
+ }
+
+ void SetName(ConstString name) { m_frozen_sp->SetName(name); }
+
+ // this function is used to copy the address-of m_live_sp into m_frozen_sp
+ // this is necessary because the results of certain cast and pointer-
+ // arithmetic operations (such as those described in bugzilla issues 11588
+ // and 11618) generate frozen objects that do not have a valid address-of,
+ // which can be troublesome when using synthetic children providers.
+ // Transferring the address-of the live object solves these issues and
+ // provides the expected user-level behavior
+ void TransferAddress(bool force = false) {
+ if (m_live_sp.get() == nullptr)
+ return;
+
+ if (m_frozen_sp.get() == nullptr)
+ return;
+
+ if (force || (m_frozen_sp->GetLiveAddress() == LLDB_INVALID_ADDRESS))
+ m_frozen_sp->SetLiveAddress(m_live_sp->GetLiveAddress());
+ }
+
+ enum Flags {
+ EVNone = 0,
+ EVIsLLDBAllocated = 1 << 0, ///< This variable is resident in a location
+ ///specifically allocated for it by LLDB in the
+ ///target process
+ EVIsProgramReference = 1 << 1, ///< This variable is a reference to a
+ ///(possibly invalid) area managed by the
+ ///target program
+ EVNeedsAllocation = 1 << 2, ///< Space for this variable has yet to be
+ ///allocated in the target process
+ EVIsFreezeDried = 1 << 3, ///< This variable's authoritative version is in
+ ///m_frozen_sp (for example, for
+ ///statically-computed results)
+ EVNeedsFreezeDry =
+ 1 << 4, ///< Copy from m_live_sp to m_frozen_sp during dematerialization
+ EVKeepInTarget = 1 << 5, ///< Keep the allocation after the expression is
+ ///complete rather than freeze drying its contents
+ ///and freeing it
+ EVTypeIsReference = 1 << 6, ///< The original type of this variable is a
+ ///reference, so materialize the value rather
+ ///than the location
+ EVUnknownType = 1 << 7, ///< This is a symbol of unknown type, and the type
+ ///must be resolved after parsing is complete
+ EVBareRegister = 1 << 8 ///< This variable is a direct reference to $pc or
+ ///some other entity.
+ };
+
+ typedef uint16_t FlagType;
+
+ FlagType m_flags; // takes elements of Flags
+
+ // these should be private
+ lldb::ValueObjectSP m_frozen_sp;
+ lldb::ValueObjectSP m_live_sp;
+ LLVMCastKind m_kind;
+};
+
+/// \class ExpressionVariableList ExpressionVariable.h
+/// "lldb/Expression/ExpressionVariable.h"
+/// A list of variable references.
+///
+/// This class stores variables internally, acting as the permanent store.
+class ExpressionVariableList {
+public:
+ /// Implementation of methods in ExpressionVariableListBase
+ size_t GetSize() { return m_variables.size(); }
+
+ lldb::ExpressionVariableSP GetVariableAtIndex(size_t index) {
+ lldb::ExpressionVariableSP var_sp;
+ if (index < m_variables.size())
+ var_sp = m_variables[index];
+ return var_sp;
+ }
+
+ size_t AddVariable(const lldb::ExpressionVariableSP &var_sp) {
+ m_variables.push_back(var_sp);
+ return m_variables.size() - 1;
+ }
+
+ lldb::ExpressionVariableSP
+ AddNewlyConstructedVariable(ExpressionVariable *var) {
+ lldb::ExpressionVariableSP var_sp(var);
+ m_variables.push_back(var_sp);
+ return m_variables.back();
+ }
+
+ bool ContainsVariable(const lldb::ExpressionVariableSP &var_sp) {
+ const size_t size = m_variables.size();
+ for (size_t index = 0; index < size; ++index) {
+ if (m_variables[index].get() == var_sp.get())
+ return true;
+ }
+ return false;
+ }
+
+ /// Finds a variable by name in the list.
+ ///
+ /// \param[in] name
+ /// The name of the requested variable.
+ ///
+ /// \return
+ /// The variable requested, or nullptr if that variable is not in the
+ /// list.
+ lldb::ExpressionVariableSP GetVariable(ConstString name) {
+ lldb::ExpressionVariableSP var_sp;
+ for (size_t index = 0, size = GetSize(); index < size; ++index) {
+ var_sp = GetVariableAtIndex(index);
+ if (var_sp->GetName() == name)
+ return var_sp;
+ }
+ var_sp.reset();
+ return var_sp;
+ }
+
+ lldb::ExpressionVariableSP GetVariable(llvm::StringRef name) {
+ if (name.empty())
+ return nullptr;
+
+ for (size_t index = 0, size = GetSize(); index < size; ++index) {
+ auto var_sp = GetVariableAtIndex(index);
+ llvm::StringRef var_name_str = var_sp->GetName().GetStringRef();
+ if (var_name_str == name)
+ return var_sp;
+ }
+ return nullptr;
+ }
+
+ void RemoveVariable(lldb::ExpressionVariableSP var_sp) {
+ for (std::vector<lldb::ExpressionVariableSP>::iterator
+ vi = m_variables.begin(),
+ ve = m_variables.end();
+ vi != ve; ++vi) {
+ if (vi->get() == var_sp.get()) {
+ m_variables.erase(vi);
+ return;
+ }
+ }
+ }
+
+ void Clear() { m_variables.clear(); }
+
+private:
+ std::vector<lldb::ExpressionVariableSP> m_variables;
+};
+
+class PersistentExpressionState : public ExpressionVariableList {
+public:
+ // See TypeSystem.h for how to add subclasses to this.
+ enum LLVMCastKind { eKindClang, eKindSwift, eKindGo, kNumKinds };
+
+ LLVMCastKind getKind() const { return m_kind; }
+
+ PersistentExpressionState(LLVMCastKind kind) : m_kind(kind) {}
+
+ virtual ~PersistentExpressionState();
+
+ virtual lldb::ExpressionVariableSP
+ CreatePersistentVariable(const lldb::ValueObjectSP &valobj_sp) = 0;
+
+ virtual lldb::ExpressionVariableSP
+ CreatePersistentVariable(ExecutionContextScope *exe_scope,
+ ConstString name, const CompilerType &type,
+ lldb::ByteOrder byte_order,
+ uint32_t addr_byte_size) = 0;
+
+ /// Return a new persistent variable name with the specified prefix.
+ ConstString GetNextPersistentVariableName(Target &target,
+ llvm::StringRef prefix);
+
+ virtual llvm::StringRef
+ GetPersistentVariablePrefix(bool is_error = false) const = 0;
+
+ virtual void
+ RemovePersistentVariable(lldb::ExpressionVariableSP variable) = 0;
+
+ virtual llvm::Optional<CompilerType>
+ GetCompilerTypeFromPersistentDecl(ConstString type_name) = 0;
+
+ virtual lldb::addr_t LookupSymbol(ConstString name);
+
+ void RegisterExecutionUnit(lldb::IRExecutionUnitSP &execution_unit_sp);
+
+private:
+ LLVMCastKind m_kind;
+
+ typedef std::set<lldb::IRExecutionUnitSP> ExecutionUnitSet;
+ ExecutionUnitSet
+ m_execution_units; ///< The execution units that contain valuable symbols.
+
+ typedef llvm::DenseMap<const char *, lldb::addr_t> SymbolMap;
+ SymbolMap
+ m_symbol_map; ///< The addresses of the symbols in m_execution_units.
+};
+
+} // namespace lldb_private
+
+#endif // liblldb_ExpressionVariable_h_