diff options
Diffstat (limited to 'include/lldb/Expression/DWARFExpression.h')
| -rw-r--r-- | include/lldb/Expression/DWARFExpression.h | 45 |
1 files changed, 41 insertions, 4 deletions
diff --git a/include/lldb/Expression/DWARFExpression.h b/include/lldb/Expression/DWARFExpression.h index 9ddecc053e00..3527c3b4b153 100644 --- a/include/lldb/Expression/DWARFExpression.h +++ b/include/lldb/Expression/DWARFExpression.h @@ -11,18 +11,19 @@ #define liblldb_DWARFExpression_h_ #include "lldb/lldb-private.h" -#include "lldb/Core/ClangForward.h" #include "lldb/Core/Address.h" #include "lldb/Core/DataExtractor.h" #include "lldb/Core/Error.h" #include "lldb/Core/Scalar.h" +class DWARFCompileUnit; + namespace lldb_private { +class ClangExpressionDeclMap; class ClangExpressionVariable; class ClangExpressionVariableList; -class ClangExpressionDeclMap; //---------------------------------------------------------------------- /// @class DWARFExpression DWARFExpression.h "lldb/Expression/DWARFExpression.h" @@ -40,10 +41,17 @@ class ClangExpressionDeclMap; class DWARFExpression { public: + enum LocationListFormat : uint8_t + { + NonLocationList, // Not a location list + RegularLocationList, // Location list format used in non-split dwarf files + SplitDwarfLocationList, // Location list format used in split dwarf files + }; + //------------------------------------------------------------------ /// Constructor //------------------------------------------------------------------ - DWARFExpression(); + explicit DWARFExpression(DWARFCompileUnit* dwarf_cu); //------------------------------------------------------------------ /// Constructor @@ -60,6 +68,7 @@ public: //------------------------------------------------------------------ DWARFExpression(lldb::ModuleSP module, const DataExtractor& data, + DWARFCompileUnit* dwarf_cu, lldb::offset_t data_offset, lldb::offset_t data_length); @@ -356,6 +365,7 @@ public: RegisterContext *reg_ctx, lldb::ModuleSP opcode_ctx, const DataExtractor& opcodes, + DWARFCompileUnit* dwarf_cu, const lldb::offset_t offset, const lldb::offset_t length, const lldb::RegisterKind reg_set, @@ -397,6 +407,24 @@ public: lldb::addr_t address, ABI *abi); + static size_t + LocationListSize(const DWARFCompileUnit* dwarf_cu, + const DataExtractor& debug_loc_data, + lldb::offset_t offset); + + static bool + PrintDWARFExpression(Stream &s, + const DataExtractor& data, + int address_size, + int dwarf_ref_size, + bool location_expression); + + static void + PrintDWARFLocationList(Stream &s, + const DWARFCompileUnit* cu, + const DataExtractor& debug_loc_data, + lldb::offset_t offset); + protected: //------------------------------------------------------------------ /// Pretty-prints the location expression to a stream @@ -430,17 +458,26 @@ protected: lldb::offset_t &offset, lldb::offset_t &len); + static bool + AddressRangeForLocationListEntry(const DWARFCompileUnit* dwarf_cu, + const DataExtractor& debug_loc_data, + lldb::offset_t* offset_ptr, + lldb::addr_t& low_pc, + lldb::addr_t& high_pc); + //------------------------------------------------------------------ /// Classes that inherit from DWARFExpression can see and modify these //------------------------------------------------------------------ lldb::ModuleWP m_module_wp; ///< Module which defined this expression. DataExtractor m_data; ///< A data extractor capable of reading opcode bytes + DWARFCompileUnit* m_dwarf_cu; ///< The DWARF compile unit this expression belongs to. It is used + ///< to evaluate values indexing into the .debug_addr section (e.g. + ///< DW_OP_GNU_addr_index, DW_OP_GNU_const_index) lldb::RegisterKind m_reg_kind; ///< One of the defines that starts with LLDB_REGKIND_ lldb::addr_t m_loclist_slide; ///< A value used to slide the location list offsets so that ///< they are relative to the object that owns the location list ///< (the function for frame base and variable location lists) - }; } // namespace lldb_private |