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a8631e3887
Instead of having 3 section allocators per file, have 3 for all files. This is a substantial performance improvement for some cases. Linking chromium without gc speeds up by 1.065x. This requires using _exit in fatal since we have to avoid destructing an InputSection if fatal is called from the constructor. Thanks to Rui for the suggestion. llvm-svn: 285290
66 lines
1.4 KiB
C++
66 lines
1.4 KiB
C++
//===- Error.cpp ----------------------------------------------------------===//
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//
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// The LLVM Linker
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "Error.h"
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#include "Config.h"
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#include "llvm/ADT/Twine.h"
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#include "llvm/Support/Error.h"
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#include "llvm/Support/raw_ostream.h"
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#if !defined(_MSC_VER) && !defined(__MINGW32__)
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#include <unistd.h>
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#endif
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using namespace llvm;
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namespace lld {
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bool elf::HasError;
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raw_ostream *elf::ErrorOS;
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StringRef elf::Argv0;
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void elf::log(const Twine &Msg) {
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if (Config->Verbose)
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outs() << Argv0 << ": " << Msg << "\n";
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}
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void elf::warn(const Twine &Msg) {
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if (Config->FatalWarnings)
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error(Msg);
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else
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*ErrorOS << Argv0 << ": warning: " << Msg << "\n";
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}
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void elf::error(const Twine &Msg) {
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*ErrorOS << Argv0 << ": error: " << Msg << "\n";
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HasError = true;
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}
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void elf::error(std::error_code EC, const Twine &Prefix) {
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error(Prefix + ": " + EC.message());
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}
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void elf::exitLld(int Val) {
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outs().flush();
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errs().flush();
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_exit(Val);
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}
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void elf::fatal(const Twine &Msg) {
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*ErrorOS << Argv0 << ": error: " << Msg << "\n";
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exitLld(1);
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}
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void elf::fatal(std::error_code EC, const Twine &Prefix) {
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fatal(Prefix + ": " + EC.message());
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}
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} // namespace lld
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