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-rw-r--r--source/Plugins/SymbolFile/DWARF/DWARFFormValue.h81
1 files changed, 81 insertions, 0 deletions
diff --git a/source/Plugins/SymbolFile/DWARF/DWARFFormValue.h b/source/Plugins/SymbolFile/DWARF/DWARFFormValue.h
new file mode 100644
index 000000000000..4c400b2df58e
--- /dev/null
+++ b/source/Plugins/SymbolFile/DWARF/DWARFFormValue.h
@@ -0,0 +1,81 @@
+//===-- DWARFFormValue.h ----------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef SymbolFileDWARF_DWARFFormValue_h_
+#define SymbolFileDWARF_DWARFFormValue_h_
+
+#include <stddef.h> // for NULL
+
+class DWARFCompileUnit;
+
+class DWARFFormValue
+{
+public:
+ typedef struct ValueTypeTag
+ {
+ ValueTypeTag() :
+ value(),
+ data(NULL)
+ {
+ value.uval = 0;
+ }
+
+ union
+ {
+ uint64_t uval;
+ int64_t sval;
+ const char* cstr;
+ } value;
+ const uint8_t* data;
+ } ValueType;
+
+ enum
+ {
+ eValueTypeInvalid = 0,
+ eValueTypeUnsigned,
+ eValueTypeSigned,
+ eValueTypeCStr,
+ eValueTypeBlock
+ };
+
+ DWARFFormValue(dw_form_t form = 0);
+ dw_form_t Form() const { return m_form; }
+ void SetForm(dw_form_t form) { m_form = form; }
+ const ValueType& Value() const { return m_value; }
+ void Dump(lldb_private::Stream &s, const lldb_private::DataExtractor* debug_str_data, const DWARFCompileUnit* cu) const;
+ bool ExtractValue(const lldb_private::DataExtractor& data,
+ lldb::offset_t* offset_ptr,
+ const DWARFCompileUnit* cu);
+ bool IsInlinedCStr() const { return (m_value.data != NULL) && m_value.data == (uint8_t*)m_value.value.cstr; }
+ const uint8_t* BlockData() const;
+ uint64_t Reference(const DWARFCompileUnit* cu) const;
+ uint64_t Reference (dw_offset_t offset) const;
+ bool ResolveCompileUnitReferences(const DWARFCompileUnit* cu);
+ bool Boolean() const { return m_value.value.uval != 0; }
+ uint64_t Unsigned() const { return m_value.value.uval; }
+ void SetUnsigned(uint64_t uval) { m_value.value.uval = uval; }
+ int64_t Signed() const { return m_value.value.sval; }
+ void SetSigned(int64_t sval) { m_value.value.sval = sval; }
+ const char* AsCString(const lldb_private::DataExtractor* debug_str_data_ptr) const;
+ bool SkipValue(const lldb_private::DataExtractor& debug_info_data, lldb::offset_t *offset_ptr, const DWARFCompileUnit* cu) const;
+ static bool SkipValue(const dw_form_t form, const lldb_private::DataExtractor& debug_info_data, lldb::offset_t *offset_ptr, const DWARFCompileUnit* cu);
+// static bool TransferValue(dw_form_t form, const lldb_private::DataExtractor& debug_info_data, lldb::offset_t *offset_ptr, const DWARFCompileUnit* cu, BinaryStreamBuf& out_buff);
+// static bool TransferValue(const DWARFFormValue& formValue, const DWARFCompileUnit* cu, BinaryStreamBuf& out_buff);
+// static bool PutUnsigned(dw_form_t form, dw_offset_t offset, uint64_t value, BinaryStreamBuf& out_buff, const DWARFCompileUnit* cu, bool fixup_cu_relative_refs);
+ static bool IsBlockForm(const dw_form_t form);
+ static bool IsDataForm(const dw_form_t form);
+ static const uint8_t * GetFixedFormSizesForAddressSize (uint8_t addr_size);
+ static int Compare (const DWARFFormValue& a, const DWARFFormValue& b, const DWARFCompileUnit* a_cu, const DWARFCompileUnit* b_cu, const lldb_private::DataExtractor* debug_str_data_ptr);
+protected:
+ dw_form_t m_form; // Form for this value
+ ValueType m_value; // Contains all data for the form
+};
+
+
+#endif // SymbolFileDWARF_DWARFFormValue_h_