Don't assume little endian in StreamReader / StreamWriter.

In an effort to generalize this so it can be used by more than
just PDB code, we shouldn't assume little endian.

llvm-svn: 295525

1 files changed, 26 insertions, 18 deletions

diff --git a/llvm/lib/DebugInfo/CodeView/CodeViewRecordIO.cpp b/llvm/lib/DebugInfo/CodeView/CodeViewRecordIO.cpp
index 9bd85cf9dc6..b7e74a1f455 100644
--- a/llvm/lib/DebugInfo/CodeView/CodeViewRecordIO.cpp
+++ b/llvm/lib/DebugInfo/CodeView/CodeViewRecordIO.cpp
@@ -87,13 +87,14 @@ Error CodeViewRecordIO::mapByteVectorTail(std::vector<uint8_t> &Bytes) {
 
 Error CodeViewRecordIO::mapInteger(TypeIndex &TypeInd) {
   if (isWriting()) {
-    if (auto EC = Writer->writeInteger(TypeInd.getIndex()))
+    if (auto EC =
+            Writer->writeInteger(TypeInd.getIndex(), llvm::support::little))
       return EC;
     return Error::success();
   }
 
   uint32_t I;
-  if (auto EC = Reader->readInteger(I))
+  if (auto EC = Reader->readInteger(I, llvm::support::little))
     return EC;
   TypeInd.setIndex(I);
   return Error::success();
@@ -176,7 +177,7 @@ Error CodeViewRecordIO::mapStringZVectorZ(std::vector<StringRef> &Value) {
       if (auto EC = mapStringZ(V))
         return EC;
     }
-    if (auto EC = Writer->writeInteger(uint8_t(0)))
+    if (auto EC = Writer->writeInteger<uint8_t>(0, llvm::support::little))
       return EC;
   } else {
     StringRef S;
@@ -194,24 +195,28 @@ Error CodeViewRecordIO::mapStringZVectorZ(std::vector<StringRef> &Value) {
 Error CodeViewRecordIO::writeEncodedSignedInteger(const int64_t &Value) {
   assert(Value < 0 && "Encoded integer is not signed!");
   if (Value >= std::numeric_limits<int8_t>::min()) {
-    if (auto EC = Writer->writeInteger(static_cast<uint16_t>(LF_CHAR)))
+    if (auto EC =
+            Writer->writeInteger<uint16_t>(LF_CHAR, llvm::support::little))
       return EC;
-    if (auto EC = Writer->writeInteger(static_cast<int8_t>(Value)))
+    if (auto EC = Writer->writeInteger<int8_t>(Value, llvm::support::little))
       return EC;
   } else if (Value >= std::numeric_limits<int16_t>::min()) {
-    if (auto EC = Writer->writeInteger(static_cast<uint16_t>(LF_SHORT)))
+    if (auto EC =
+            Writer->writeInteger<uint16_t>(LF_SHORT, llvm::support::little))
       return EC;
-    if (auto EC = Writer->writeInteger(static_cast<int16_t>(Value)))
+    if (auto EC = Writer->writeInteger<int16_t>(Value, llvm::support::little))
       return EC;
   } else if (Value >= std::numeric_limits<int32_t>::min()) {
-    if (auto EC = Writer->writeInteger(static_cast<uint16_t>(LF_LONG)))
+    if (auto EC =
+            Writer->writeInteger<uint16_t>(LF_LONG, llvm::support::little))
       return EC;
-    if (auto EC = Writer->writeInteger(static_cast<int32_t>(Value)))
+    if (auto EC = Writer->writeInteger<int32_t>(Value, llvm::support::little))
       return EC;
   } else {
-    if (auto EC = Writer->writeInteger(static_cast<uint16_t>(LF_QUADWORD)))
+    if (auto EC =
+            Writer->writeInteger<uint16_t>(LF_QUADWORD, llvm::support::little))
       return EC;
-    if (auto EC = Writer->writeInteger(Value))
+    if (auto EC = Writer->writeInteger(Value, llvm::support::little))
       return EC;
   }
   return Error::success();
@@ -219,22 +224,25 @@ Error CodeViewRecordIO::writeEncodedSignedInteger(const int64_t &Value) {
 
 Error CodeViewRecordIO::writeEncodedUnsignedInteger(const uint64_t &Value) {
   if (Value < LF_NUMERIC) {
-    if (auto EC = Writer->writeInteger(static_cast<uint16_t>(Value)))
+    if (auto EC = Writer->writeInteger<uint16_t>(Value, llvm::support::little))
       return EC;
   } else if (Value <= std::numeric_limits<uint16_t>::max()) {
-    if (auto EC = Writer->writeInteger(static_cast<uint16_t>(LF_USHORT)))
+    if (auto EC =
+            Writer->writeInteger<uint16_t>(LF_USHORT, llvm::support::little))
       return EC;
-    if (auto EC = Writer->writeInteger(static_cast<uint16_t>(Value)))
+    if (auto EC = Writer->writeInteger<uint16_t>(Value, llvm::support::little))
       return EC;
   } else if (Value <= std::numeric_limits<uint32_t>::max()) {
-    if (auto EC = Writer->writeInteger(static_cast<uint16_t>(LF_ULONG)))
+    if (auto EC =
+            Writer->writeInteger<uint16_t>(LF_ULONG, llvm::support::little))
       return EC;
-    if (auto EC = Writer->writeInteger(static_cast<uint32_t>(Value)))
+    if (auto EC = Writer->writeInteger<uint32_t>(Value, llvm::support::little))
       return EC;
   } else {
-    if (auto EC = Writer->writeInteger(static_cast<uint16_t>(LF_UQUADWORD)))
+    if (auto EC =
+            Writer->writeInteger<uint16_t>(LF_UQUADWORD, llvm::support::little))
       return EC;
-    if (auto EC = Writer->writeInteger(Value))
+    if (auto EC = Writer->writeInteger(Value, llvm::support::little))
       return EC;
   }