[lld] r196185 - [PECOFF] Print reason if file parsing failed.

[Rui Ueyama]

Author: ruiu
Date: Mon Dec  2 18:57:19 2013
New Revision: 196185

URL: http://llvm.org/viewvc/llvm-project?rev=196185&view=rev
Log:
[PECOFF] Print reason if file parsing failed.

Modified:
    lld/trunk/lib/Driver/WinLinkInputGraph.cpp
    lld/trunk/lib/ReaderWriter/PECOFF/ReaderCOFF.cpp

Modified: lld/trunk/lib/Driver/WinLinkInputGraph.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/lib/Driver/WinLinkInputGraph.cpp?rev=196185&r1=196184&r2=196185&view=diff
==============================================================================
--- lld/trunk/lib/Driver/WinLinkInputGraph.cpp (original)
+++ lld/trunk/lib/Driver/WinLinkInputGraph.cpp Mon Dec  2 18:57:19 2013
@@ -15,11 +15,15 @@ namespace lld {
 error_code PECOFFFileNode::parse(const LinkingContext &ctx,
                                  raw_ostream &diagnostics) {
   ErrorOr<StringRef> filePath = getPath(ctx);
-  if (!filePath)
+  if (!filePath) {
+    diagnostics << "File not found: " << _path << "\n";
     return error_code(filePath);
+  }
 
-  if (error_code ec = getBuffer(*filePath))
+  if (error_code ec = getBuffer(*filePath)) {
+    diagnostics << "Cannot open file: " << *filePath << "\n";
     return ec;
+  }
 
   if (ctx.logInputFiles())
     diagnostics << *filePath << "\n";

Modified: lld/trunk/lib/ReaderWriter/PECOFF/ReaderCOFF.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/lib/ReaderWriter/PECOFF/ReaderCOFF.cpp?rev=196185&r1=196184&r2=196185&view=diff
==============================================================================
--- lld/trunk/lib/ReaderWriter/PECOFF/ReaderCOFF.cpp (original)
+++ lld/trunk/lib/ReaderWriter/PECOFF/ReaderCOFF.cpp Mon Dec  2 18:57:19 2013
@@ -854,7 +854,8 @@ error_code ReaderCOFF::handleDirectiveSe
 
   // Print error message if error.
   if (parseFailed) {
-    llvm::errs() << "Failed to parse '" << directives << "'\n";
+    llvm::errs() << "Failed to parse '" << directives << "'\n"
+                 << "Reason: " << errorMessage;
     return make_error_code(llvm::object::object_error::invalid_file_type);
   }
   if (!errorMessage.empty()) {