Temporarily reverting 46959.

[oota-llvm.git] / lib / Archive / Archive.cpp

diff --git a/lib/Archive/Archive.cpp b/lib/Archive/Archive.cpp
index 1c0b205e9e25d7c7aae828422ec59ca1ef9eefb8..22934d51fe30456c0b9b06498978d1daf77170b1 100644 (file)
--- a/lib/Archive/Archive.cpp
+++ b/lib/Archive/Archive.cpp
@@ -2,8 +2,8 @@
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by Reid Spencer and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -13,10 +13,13 @@
 //===----------------------------------------------------------------------===//
 
 #include "ArchiveInternals.h"
+#include "llvm/Bitcode/ReaderWriter.h"
 #include "llvm/ModuleProvider.h"
 #include "llvm/Module.h"
-#include "llvm/Bytecode/Reader.h"
+#include "llvm/Support/MemoryBuffer.h"
 #include "llvm/System/Process.h"
+#include <memory>
+#include <cstring>
 using namespace llvm;
 
 // getMemberSize - compute the actual physical size of the file member as seen
@@ -116,21 +119,17 @@ bool ArchiveMember::replaceWith(const sys::Path& newFile, std::string* ErrMsg) {
     path.getMagicNumber(magic,4);
     signature = magic.c_str();
     std::string err;
-    if (path.getFileStatus(info, ErrMsg))
+    const sys::FileStatus *FSinfo = path.getFileStatus(false, ErrMsg);
+    if (FSinfo)
+      info = *FSinfo;
+    else
       return true;
   }
 
   // Determine what kind of file it is
   switch (sys::IdentifyFileType(signature,4)) {
-    case sys::BytecodeFileType:
-      flags |= BytecodeFlag;
-      break;
-    case sys::CompressedBytecodeFileType:
-      flags |= CompressedBytecodeFlag;
-      flags &= ~CompressedFlag;
-      break;
     default:
-      flags &= ~(BytecodeFlag|CompressedBytecodeFlag);
+      flags &= ~BitcodeFlag;
       break;
   }
   return false;
@@ -139,10 +138,9 @@ bool ArchiveMember::replaceWith(const sys::Path& newFile, std::string* ErrMsg) {
 // Archive constructor - this is the only constructor that gets used for the
 // Archive class. Everything else (default,copy) is deprecated. This just
 // initializes and maps the file into memory, if requested.
-Archive::Archive(const sys::Path& filename, BCDecompressor_t *BCDC)
+Archive::Archive(const sys::Path& filename)
   : archPath(filename), members(), mapfile(0), base(0), symTab(), strtab(),
-    symTabSize(0), firstFileOffset(0), modules(), foreignST(0), 
-    Decompressor(BCDC) {
+    symTabSize(0), firstFileOffset(0), modules(), foreignST(0) {
 }
 
 bool
@@ -207,12 +205,19 @@ static void getSymbols(Module*M, std::vector<std::string>& symbols) {
         symbols.push_back(FI->getName());
 }
 
-// Get just the externally visible defined symbols from the bytecode
-bool llvm::GetBytecodeSymbols(const sys::Path& fName,
-                              std::vector<std::string>& symbols,
-                              BCDecompressor_t *BCDC,
-                              std::string* ErrMsg) {
-  ModuleProvider *MP = getBytecodeModuleProvider(fName.toString(), BCDC,ErrMsg);
+// Get just the externally visible defined symbols from the bitcode
+bool llvm::GetBitcodeSymbols(const sys::Path& fName,
+                             std::vector<std::string>& symbols,
+                             std::string* ErrMsg) {
+  std::auto_ptr<MemoryBuffer> Buffer(
+                       MemoryBuffer::getFileOrSTDIN(&fName.toString()[0],
+                                                    fName.toString().size()));
+  if (!Buffer.get()) {
+    if (ErrMsg) *ErrMsg = "Could not open file '" + fName.toString() + "'";
+    return true;
+  }
+  
+  ModuleProvider *MP = getBitcodeModuleProvider(Buffer.get(), ErrMsg);
   if (!MP)
     return true;
   
@@ -232,14 +237,15 @@ bool llvm::GetBytecodeSymbols(const sys::Path& fName,
 }
 
 ModuleProvider*
-llvm::GetBytecodeSymbols(const unsigned char*Buffer, unsigned Length,
-                         const std::string& ModuleID,
-                         std::vector<std::string>& symbols,
-                         BCDecompressor_t *BCDC,
-                         std::string* ErrMsg) {
+llvm::GetBitcodeSymbols(const unsigned char *BufPtr, unsigned Length,
+                        const std::string& ModuleID,
+                        std::vector<std::string>& symbols,
+                        std::string* ErrMsg) {
   // Get the module provider
-  ModuleProvider* MP = 
-  getBytecodeBufferModuleProvider(Buffer, Length, ModuleID, BCDC, ErrMsg, 0);
+  MemoryBuffer *Buffer =MemoryBuffer::getNewMemBuffer(Length, ModuleID.c_str());
+  memcpy((char*)Buffer->getBufferStart(), BufPtr, Length);
+  
+  ModuleProvider *MP = getBitcodeModuleProvider(Buffer, ErrMsg);
   if (!MP)
     return 0;