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Diffstat (limited to 'include/lldb/Target/StackFrame.h')
| -rw-r--r-- | include/lldb/Target/StackFrame.h | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/include/lldb/Target/StackFrame.h b/include/lldb/Target/StackFrame.h new file mode 100644 index 000000000000..877bd8ce661b --- /dev/null +++ b/include/lldb/Target/StackFrame.h @@ -0,0 +1,207 @@ +//===-- StackFrame.h --------------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef liblldb_StackFrame_h_ +#define liblldb_StackFrame_h_ + +// C Includes +// C++ Includes +// Other libraries and framework includes +// Project includes +#include "lldb/Core/Error.h" +#include "lldb/Core/Flags.h" +#include "lldb/Core/Scalar.h" +#include "lldb/Core/StreamString.h" +#include "lldb/Core/UserID.h" +#include "lldb/Core/ValueObjectList.h" +#include "lldb/Symbol/SymbolContext.h" +#include "lldb/Target/ExecutionContextScope.h" +#include "lldb/Target/StackID.h" + +namespace lldb_private { + +class StackFrame : + public std::enable_shared_from_this<StackFrame>, + public ExecutionContextScope +{ +public: + enum ExpressionPathOption + { + eExpressionPathOptionCheckPtrVsMember = (1u << 0), + eExpressionPathOptionsNoFragileObjcIvar = (1u << 1), + eExpressionPathOptionsNoSyntheticChildren = (1u << 2), + eExpressionPathOptionsNoSyntheticArrayRange = (1u << 3), + eExpressionPathOptionsAllowDirectIVarAccess = (1u << 4) + }; + //------------------------------------------------------------------ + // Constructors and Destructors + //------------------------------------------------------------------ + StackFrame (const lldb::ThreadSP &thread_sp, + lldb::user_id_t frame_idx, + lldb::user_id_t concrete_frame_idx, + lldb::addr_t cfa, + lldb::addr_t pc, + const SymbolContext *sc_ptr); + + StackFrame (const lldb::ThreadSP &thread_sp, + lldb::user_id_t frame_idx, + lldb::user_id_t concrete_frame_idx, + const lldb::RegisterContextSP ®_context_sp, + lldb::addr_t cfa, + lldb::addr_t pc, + const SymbolContext *sc_ptr); + + StackFrame (const lldb::ThreadSP &thread_sp, + lldb::user_id_t frame_idx, + lldb::user_id_t concrete_frame_idx, + const lldb::RegisterContextSP ®_context_sp, + lldb::addr_t cfa, + const Address& pc, + const SymbolContext *sc_ptr); + + virtual ~StackFrame (); + + lldb::ThreadSP + GetThread () const + { + return m_thread_wp.lock(); + } + + StackID& + GetStackID(); + + const Address& + GetFrameCodeAddress(); + + void + ChangePC (lldb::addr_t pc); + + const SymbolContext& + GetSymbolContext (uint32_t resolve_scope); + + bool + GetFrameBaseValue(Scalar &value, Error *error_ptr); + + Block * + GetFrameBlock (); + + lldb::RegisterContextSP + GetRegisterContext (); + + const lldb::RegisterContextSP & + GetRegisterContextSP () const + { + return m_reg_context_sp; + } + + VariableList * + GetVariableList (bool get_file_globals); + + lldb::VariableListSP + GetInScopeVariableList (bool get_file_globals); + + // See ExpressionPathOption enumeration for "options" values + lldb::ValueObjectSP + GetValueForVariableExpressionPath (const char *var_expr, + lldb::DynamicValueType use_dynamic, + uint32_t options, + lldb::VariableSP &var_sp, + Error &error); + + bool + HasDebugInformation (); + + const char * + Disassemble (); + + void + DumpUsingSettingsFormat (Stream *strm); + + void + Dump (Stream *strm, bool show_frame_index, bool show_fullpaths); + + bool + IsInlined (); + + uint32_t + GetFrameIndex () const; + + uint32_t + GetConcreteFrameIndex () const + { + return m_concrete_frame_index; + } + + lldb::ValueObjectSP + GetValueObjectForFrameVariable (const lldb::VariableSP &variable_sp, lldb::DynamicValueType use_dynamic); + + lldb::ValueObjectSP + TrackGlobalVariable (const lldb::VariableSP &variable_sp, lldb::DynamicValueType use_dynamic); + + //------------------------------------------------------------------ + // lldb::ExecutionContextScope pure virtual functions + //------------------------------------------------------------------ + virtual lldb::TargetSP + CalculateTarget (); + + virtual lldb::ProcessSP + CalculateProcess (); + + virtual lldb::ThreadSP + CalculateThread (); + + virtual lldb::StackFrameSP + CalculateStackFrame (); + + virtual void + CalculateExecutionContext (ExecutionContext &exe_ctx); + + bool + GetStatus (Stream &strm, + bool show_frame_info, + bool show_source); + +protected: + friend class StackFrameList; + + void + SetSymbolContextScope (SymbolContextScope *symbol_scope); + + void + UpdateCurrentFrameFromPreviousFrame (StackFrame &prev_frame); + + void + UpdatePreviousFrameFromCurrentFrame (StackFrame &curr_frame); + + bool + HasCachedData () const; + +private: + //------------------------------------------------------------------ + // For StackFrame only + //------------------------------------------------------------------ + lldb::ThreadWP m_thread_wp; + uint32_t m_frame_index; + uint32_t m_concrete_frame_index; + lldb::RegisterContextSP m_reg_context_sp; + StackID m_id; + Address m_frame_code_addr; // The frame code address (might not be the same as the actual PC for inlined frames) as a section/offset address + SymbolContext m_sc; + Flags m_flags; + Scalar m_frame_base; + Error m_frame_base_error; + lldb::VariableListSP m_variable_list_sp; + ValueObjectList m_variable_list_value_objects; // Value objects for each variable in m_variable_list_sp + StreamString m_disassembly; + DISALLOW_COPY_AND_ASSIGN (StackFrame); +}; + +} // namespace lldb_private + +#endif // liblldb_StackFrame_h_ |