[llvm-readobj] Fix output interleaving issue caused by using multiple streams at the same time.
Summary:
Use llvm::fouts() as the default stream for outputing. No new stream
should be constructed to output at the same time.
https://bugs.llvm.org/show_bug.cgi?id=42140
Reviewers: jhenderson, grimar, MaskRay, phosek, rupprecht
Reviewed By: rupprecht
Subscribers: llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D63115
Patch by Yuanfang Chen!
llvm-svn: 363198
diff --git a/llvm/tools/llvm-readobj/ELFDumper.cpp b/llvm/tools/llvm-readobj/ELFDumper.cpp
index 295763f..018cf61 100644
--- a/llvm/tools/llvm-readobj/ELFDumper.cpp
+++ b/llvm/tools/llvm-readobj/ELFDumper.cpp
@@ -382,13 +382,16 @@
};
template <typename ELFT> class GNUStyle : public DumpStyle<ELFT> {
- formatted_raw_ostream OS;
+ formatted_raw_ostream &OS;
public:
TYPEDEF_ELF_TYPES(ELFT)
GNUStyle(ScopedPrinter &W, ELFDumper<ELFT> *Dumper)
- : DumpStyle<ELFT>(Dumper), OS(W.getOStream()) {}
+ : DumpStyle<ELFT>(Dumper),
+ OS(static_cast<formatted_raw_ostream&>(W.getOStream())) {
+ assert (&W.getOStream() == &llvm::fouts());
+ }
void printFileHeaders(const ELFO *Obj) override;
void printGroupSections(const ELFFile<ELFT> *Obj) override;