vendor/lld/lld-trunk-r233088

6 files changed, 146 insertions, 0 deletions

diff --git a/lib/ReaderWriter/ELF/X86_64/ExampleSubTarget/CMakeLists.txt b/lib/ReaderWriter/ELF/X86_64/ExampleSubTarget/CMakeLists.txt
new file mode 100644
index 0000000000000..d13c98008e55f
--- /dev/null
+++ b/lib/ReaderWriter/ELF/X86_64/ExampleSubTarget/CMakeLists.txt
@@ -0,0 +1,11 @@
+add_llvm_library(lldExampleSubTarget
+  ExampleLinkingContext.cpp
+  ExampleTargetHandler.cpp
+  LINK_LIBS
+    lldX86_64ELFTarget
+    lldELF
+    lldReaderWriter
+    lldCore
+    LLVMObject
+    LLVMSupport
+  )
diff --git a/lib/ReaderWriter/ELF/X86_64/ExampleSubTarget/ExampleLinkingContext.cpp b/lib/ReaderWriter/ELF/X86_64/ExampleSubTarget/ExampleLinkingContext.cpp
new file mode 100644
index 0000000000000..dbbb3ad3bc90d
--- /dev/null
+++ b/lib/ReaderWriter/ELF/X86_64/ExampleSubTarget/ExampleLinkingContext.cpp
@@ -0,0 +1,35 @@
+//===- lib/ReaderWriter/ELF/X86_64/ExampleTarget/ExampleLinkingContext.cpp ----===//
+//
+//                             The LLVM Linker
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ExampleLinkingContext.h"
+#include "ExampleTargetHandler.h"
+
+using namespace lld;
+using namespace elf;
+
+std::unique_ptr<ELFLinkingContext>
+ExampleLinkingContext::create(llvm::Triple triple) {
+  if (triple.getVendorName() == "example")
+    return llvm::make_unique<ExampleLinkingContext>(triple);
+  return nullptr;
+}
+
+ExampleLinkingContext::ExampleLinkingContext(llvm::Triple triple)
+    : X86_64LinkingContext(triple, std::unique_ptr<TargetHandlerBase>(
+                                       new ExampleTargetHandler(*this))) {
+  _outputELFType = llvm::ELF::ET_LOPROC;
+}
+
+StringRef ExampleLinkingContext::entrySymbolName() const {
+  return "_start";
+}
+
+void ExampleLinkingContext::addPasses(PassManager &p) {
+  ELFLinkingContext::addPasses(p);
+}
diff --git a/lib/ReaderWriter/ELF/X86_64/ExampleSubTarget/ExampleLinkingContext.h b/lib/ReaderWriter/ELF/X86_64/ExampleSubTarget/ExampleLinkingContext.h
new file mode 100644
index 0000000000000..5bb11cd35b41e
--- /dev/null
+++ b/lib/ReaderWriter/ELF/X86_64/ExampleSubTarget/ExampleLinkingContext.h
@@ -0,0 +1,31 @@
+//===- lib/ReaderWriter/ELF/X86_64/ExampleTarget/ExampleLinkingContext.h --===//
+//
+//                             The LLVM Linker
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLD_READER_WRITER_ELF_X86_64_EXAMPLE_TARGET_EXAMPLE_LINKING_CONTEXT
+#define LLD_READER_WRITER_ELF_X86_64_EXAMPLE_TARGET_EXAMPLE_LINKING_CONTEXT
+
+#include "X86_64LinkingContext.h"
+#include "X86_64TargetHandler.h"
+
+namespace lld {
+namespace elf {
+
+class ExampleLinkingContext final : public X86_64LinkingContext {
+public:
+  static std::unique_ptr<ELFLinkingContext> create(llvm::Triple);
+  ExampleLinkingContext(llvm::Triple triple);
+
+  StringRef entrySymbolName() const override;
+  void addPasses(PassManager &) override;
+};
+
+} // end namespace elf
+} // end namespace lld
+
+#endif
diff --git a/lib/ReaderWriter/ELF/X86_64/ExampleSubTarget/ExampleTargetHandler.cpp b/lib/ReaderWriter/ELF/X86_64/ExampleSubTarget/ExampleTargetHandler.cpp
new file mode 100644
index 0000000000000..b66b0d903f6a4
--- /dev/null
+++ b/lib/ReaderWriter/ELF/X86_64/ExampleSubTarget/ExampleTargetHandler.cpp
@@ -0,0 +1,23 @@
+//===- lib/ReaderWriter/ELF/X86_64/ExampleTarget/ExampleTargetHandler.cpp -===//
+//
+//                             The LLVM Linker
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ExampleTargetHandler.h"
+#include "X86_64ExecutableWriter.h"
+#include "ExampleLinkingContext.h"
+
+using namespace lld;
+using namespace elf;
+
+ExampleTargetHandler::ExampleTargetHandler(ExampleLinkingContext &c)
+    : X86_64TargetHandler(c), _exampleContext(c) {}
+
+std::unique_ptr<Writer> ExampleTargetHandler::getWriter() {
+  return std::unique_ptr<Writer>(
+      new X86_64ExecutableWriter(_exampleContext, *_x86_64TargetLayout));
+}
diff --git a/lib/ReaderWriter/ELF/X86_64/ExampleSubTarget/ExampleTargetHandler.h b/lib/ReaderWriter/ELF/X86_64/ExampleSubTarget/ExampleTargetHandler.h
new file mode 100644
index 0000000000000..19a642113359f
--- /dev/null
+++ b/lib/ReaderWriter/ELF/X86_64/ExampleSubTarget/ExampleTargetHandler.h
@@ -0,0 +1,31 @@
+//===- lib/ReaderWriter/ELF/X86_64/ExampleTarget/ExampleTargetHandler.h ---===//
+//
+//                             The LLVM Linker
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLD_READER_WRITER_ELF_X86_64_EXAMPLE_TARGET_EXAMPLE_TARGET_HANDLER_H
+#define LLD_READER_WRITER_ELF_X86_64_EXAMPLE_TARGET_EXAMPLE_TARGET_HANDLER_H
+
+#include "X86_64TargetHandler.h"
+
+namespace lld {
+namespace elf {
+class ExampleLinkingContext;
+
+class ExampleTargetHandler final : public X86_64TargetHandler {
+public:
+  ExampleTargetHandler(ExampleLinkingContext &c);
+
+  std::unique_ptr<Writer> getWriter() override;
+
+private:
+  ExampleLinkingContext &_exampleContext;
+};
+} // end namespace elf
+} // end namespace lld
+
+#endif
diff --git a/lib/ReaderWriter/ELF/X86_64/ExampleSubTarget/Makefile b/lib/ReaderWriter/ELF/X86_64/ExampleSubTarget/Makefile
new file mode 100644
index 0000000000000..8f0b0fead1f69
--- /dev/null
+++ b/lib/ReaderWriter/ELF/X86_64/ExampleSubTarget/Makefile
@@ -0,0 +1,15 @@
+##===- lld/lib/ReaderWriter/ELF/X86_64/Makefile ----------*- Makefile -*-===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+
+LLD_LEVEL := ../../../../..
+LIBRARYNAME := lldExampleSubTarget
+USEDLIBS = lldX86_64ELFTarget.a
+CPP.Flags += -I$(PROJ_SRC_DIR)/$(LLD_LEVEL)/lib/ReaderWriter/ELF
+
+include $(LLD_LEVEL)/Makefile