summaryrefslogtreecommitdiff
path: root/lib/Archive/ArchiveWriter.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/Archive/ArchiveWriter.cpp')
-rw-r--r--lib/Archive/ArchiveWriter.cpp46
1 files changed, 20 insertions, 26 deletions
diff --git a/lib/Archive/ArchiveWriter.cpp b/lib/Archive/ArchiveWriter.cpp
index 6a71026a0ff..afe9819deea 100644
--- a/lib/Archive/ArchiveWriter.cpp
+++ b/lib/Archive/ArchiveWriter.cpp
@@ -13,7 +13,8 @@
#include "ArchiveInternals.h"
#include "llvm/Bitcode/ReaderWriter.h"
-#include "llvm/System/MappedFile.h"
+#include "llvm/ADT/OwningPtr.h"
+#include "llvm/Support/MemoryBuffer.h"
#include "llvm/System/Signals.h"
#include "llvm/System/Process.h"
#include "llvm/ModuleProvider.h"
@@ -208,15 +209,15 @@ Archive::writeMember(
// Get the data and its size either from the
// member's in-memory data or directly from the file.
size_t fSize = member.getSize();
- const char* data = (const char*)member.getData();
- sys::MappedFile* mFile = 0;
+ const char *data = (const char*)member.getData();
+ MemoryBuffer *mFile = 0;
if (!data) {
- mFile = new sys::MappedFile();
- if (mFile->open(member.getPath(), ErrMsg))
+ mFile = MemoryBuffer::getFile(member.getPath().c_str(),
+ member.getPath().size(), ErrMsg);
+ if (mFile == 0)
return true;
- if (!(data = (const char*) mFile->map(ErrMsg)))
- return true;
- fSize = mFile->size();
+ data = mFile->getBufferStart();
+ fSize = mFile->getBufferSize();
}
// Now that we have the data in memory, update the
@@ -247,10 +248,7 @@ Archive::writeMember(
// We don't need this module any more.
delete MP;
} else {
- if (mFile != 0) {
- mFile->close();
- delete mFile;
- }
+ delete mFile;
if (ErrMsg)
*ErrMsg = "Can't parse bitcode member: " + member.getPath().toString()
+ ": " + *ErrMsg;
@@ -281,10 +279,7 @@ Archive::writeMember(
ARFile << ARFILE_PAD;
// Close the mapped file if it was opened
- if (mFile != 0) {
- mFile->close();
- delete mFile;
- }
+ delete mFile;
return false;
}
@@ -349,7 +344,7 @@ Archive::writeToDisk(bool CreateSymbolTable, bool TruncateNames, bool Compress,
{
// Make sure they haven't opened up the file, not loaded it,
// but are now trying to write it which would wipe out the file.
- if (members.empty() && mapfile && mapfile->size() > 8) {
+ if (members.empty() && mapfile && mapfile->getBufferSize() > 8) {
if (ErrMsg)
*ErrMsg = "Can't write an archive not opened for writing";
return true;
@@ -408,18 +403,17 @@ Archive::writeToDisk(bool CreateSymbolTable, bool TruncateNames, bool Compress,
// ensure compatibility with other archivers we need to put the symbol
// table first in the file. Unfortunately, this means mapping the file
// we just wrote back in and copying it to the destination file.
+ sys::Path FinalFilePath = archPath;
// Map in the archive we just wrote.
- sys::MappedFile arch;
- if (arch.open(TmpArchive, ErrMsg))
- return true;
- const char* base;
- if (!(base = (const char*) arch.map(ErrMsg)))
- return true;
+ {
+ OwningPtr<MemoryBuffer> arch(MemoryBuffer::getFile(TmpArchive.c_str(),
+ TmpArchive.size()));
+ if (arch == 0) return true;
+ const char* base = arch->getBufferStart();
// Open another temporary file in order to avoid invalidating the
// mmapped data
- sys::Path FinalFilePath = archPath;
if (FinalFilePath.createTemporaryFileOnDisk(ErrMsg))
return true;
sys::RemoveFileOnSignal(FinalFilePath);
@@ -456,11 +450,11 @@ Archive::writeToDisk(bool CreateSymbolTable, bool TruncateNames, bool Compress,
// Copy the temporary file contents being sure to skip the file's magic
// number.
FinalFile.write(base + sizeof(ARFILE_MAGIC)-1,
- arch.size()-sizeof(ARFILE_MAGIC)+1);
+ arch->getBufferSize()-sizeof(ARFILE_MAGIC)+1);
// Close up shop
FinalFile.close();
- arch.close();
+ } // free arch.
// Move the final file over top of TmpArchive
if (FinalFilePath.renamePathOnDisk(TmpArchive, ErrMsg))