diff options
Diffstat (limited to 'lldb/source/Core/DataExtractor.cpp')
| -rw-r--r-- | lldb/source/Core/DataExtractor.cpp | 155 |
1 files changed, 77 insertions, 78 deletions
diff --git a/lldb/source/Core/DataExtractor.cpp b/lldb/source/Core/DataExtractor.cpp index d869aaef669..2cfced03800 100644 --- a/lldb/source/Core/DataExtractor.cpp +++ b/lldb/source/Core/DataExtractor.cpp @@ -17,6 +17,7 @@ #include "llvm/ADT/ArrayRef.h" #include "llvm/Support/MathExtras.h" +#include "lldb/Core/DataBufferHeap.h" #include "lldb/Core/DataExtractor.h" #include "lldb/Core/DataBuffer.h" #include "lldb/Core/Log.h" @@ -178,15 +179,6 @@ DataExtractor::Clear () } //------------------------------------------------------------------ -// Returns the total number of bytes that this object refers to -//------------------------------------------------------------------ -size_t -DataExtractor::GetByteSize () const -{ - return m_end - m_start; -} - -//------------------------------------------------------------------ // If this object contains shared data, this function returns the // offset into that shared data. Else zero is returned. //------------------------------------------------------------------ @@ -210,16 +202,6 @@ DataExtractor::GetSharedDataOffset () const } //------------------------------------------------------------------ -// Returns true if OFFSET is a valid offset into the data in this -// object. -//------------------------------------------------------------------ -bool -DataExtractor::ValidOffset (uint32_t offset) const -{ - return offset < GetByteSize(); -} - -//------------------------------------------------------------------ // Returns true if there are LENGTH bytes availabe starting OFFSET // into the data that is in this object. //------------------------------------------------------------------ @@ -245,65 +227,6 @@ DataExtractor::ValidOffsetForDataOfSize (uint32_t offset, uint32_t length) const return ((offset + length) <= size); } -//------------------------------------------------------------------ -// Returns a pointer to the first byte contained in this object's -// data, or NULL of there is no data in this object. -//------------------------------------------------------------------ -const uint8_t * -DataExtractor::GetDataStart () const -{ - return m_start; -} -//------------------------------------------------------------------ -// Returns a pointer to the byte past the last byte contained in -// this object's data, or NULL of there is no data in this object. -//------------------------------------------------------------------ -const uint8_t * -DataExtractor::GetDataEnd () const -{ - return m_end; -} - -//------------------------------------------------------------------ -// Returns true if this object will endian swap values as it -// extracts data. -//------------------------------------------------------------------ -ByteOrder -DataExtractor::GetByteOrder () const -{ - return m_byte_order; -} -//------------------------------------------------------------------ -// Set whether this object will endian swap values as it extracts -// data. -//------------------------------------------------------------------ -void -DataExtractor::SetByteOrder (ByteOrder endian) -{ - m_byte_order = endian; -} - - -//------------------------------------------------------------------ -// Return the size in bytes of any address values this object will -// extract -//------------------------------------------------------------------ -uint8_t -DataExtractor::GetAddressByteSize () const -{ - return m_addr_size; -} - -//------------------------------------------------------------------ -// Set the size in bytes that will be used when extracting any -// address values from data contained in this object. -//------------------------------------------------------------------ -void -DataExtractor::SetAddressByteSize (uint8_t addr_size) -{ - m_addr_size = addr_size; -} - //---------------------------------------------------------------------- // Set the data with which this object will extract from to data // starting at BYTES and set the length of the data to LENGTH bytes @@ -1901,3 +1824,79 @@ DataExtractor::DumpHexBytes (Stream *s, base_addr, // Base address 0, 0); // Bitfield info } + +size_t +DataExtractor::Copy (DataExtractor &dest_data) const +{ + if (m_data_sp.get()) + { + // we can pass along the SP to the data + dest_data.SetData(m_data_sp); + } + else + { + const uint8_t *base_ptr = m_start; + size_t data_size = GetByteSize(); + dest_data.SetData(DataBufferSP(new DataBufferHeap(base_ptr, data_size))); + } + return GetByteSize(); +} + +bool +DataExtractor::Append(DataExtractor& rhs) +{ + if (rhs.GetByteOrder() != GetByteOrder()) + return false; + + if (rhs.GetByteSize() == 0) + return true; + + if (GetByteSize() == 0) + return (rhs.Copy(*this) > 0); + + size_t bytes = GetByteSize() + rhs.GetByteSize(); + + DataBufferHeap *buffer_heap_ptr = NULL; + DataBufferSP buffer_sp(buffer_heap_ptr = new DataBufferHeap(bytes, 0)); + + if (buffer_sp.get() == NULL || buffer_heap_ptr == NULL) + return false; + + uint8_t* bytes_ptr = buffer_heap_ptr->GetBytes(); + + memcpy(bytes_ptr, GetDataStart(), GetByteSize()); + memcpy(bytes_ptr + GetByteSize(), rhs.GetDataStart(), rhs.GetByteSize()); + + SetData(buffer_sp); + + return true; +} + +bool +DataExtractor::Append(void* buf, uint32_t length) +{ + if (buf == NULL) + return false; + + if (length == 0) + return true; + + size_t bytes = GetByteSize() + length; + + DataBufferHeap *buffer_heap_ptr = NULL; + DataBufferSP buffer_sp(buffer_heap_ptr = new DataBufferHeap(bytes, 0)); + + if (buffer_sp.get() == NULL || buffer_heap_ptr == NULL) + return false; + + uint8_t* bytes_ptr = buffer_heap_ptr->GetBytes(); + + if (GetByteSize() > 0) + memcpy(bytes_ptr, GetDataStart(), GetByteSize()); + + memcpy(bytes_ptr + GetByteSize(), buf, length); + + SetData(buffer_sp); + + return true; +}
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