Abi: Add endianness method

For now this uses the architecture to decide which endianness to use.
That does not work too well, so a endianness field is needed for
the master branch.

Change-Id: I394a959c4182271ee9847de7c8da1788a027c3a2
Reviewed-by: Daniel Teske <daniel.teske@digia.com>

src/plugins/projectexplorer/abi.cpp

@@ -739,6 +739,14 @@ QList<Abi> Abi::abisOfBinary(const Utils::FileName &path)
     return result;
 }
 
+ProjectExplorer::Abi::Endianness Abi::endianness() const
+{
+    if (m_architecture == X86Architecture)
+        return LittleEndian;
+    // All other architectures are bi-endian:/
+    return UnknownEndian; // Todo: Add a field for endianness to the Abi struct!
+}
+
 } // namespace ProjectExplorer
 
 // Unit tests:

src/plugins/projectexplorer/abi.h

@@ -102,6 +102,12 @@ public:
         UnknownFormat
     };
 
+    enum Endianness {
+        LittleEndian,
+        BigEndian,
+        UnknownEndian
+    };
+
     Abi() :
         m_architecture(UnknownArchitecture), m_os(UnknownOS),
         m_osFlavor(UnknownFlavor), m_binaryFormat(UnknownFormat), m_wordWidth(0)
@@ -119,6 +125,7 @@ public:
     bool isNull() const;
 
     Architecture architecture() const { return m_architecture; }
+    Endianness endianness() const;
     OS os() const { return m_os; }
     OSFlavor osFlavor() const { return m_osFlavor; }
     BinaryFormat binaryFormat() const { return m_binaryFormat; }