vendor/lld/lld-trunk-r233088

1 files changed, 728 insertions, 0 deletions

diff --git a/unittests/DriverTests/WinLinkDriverTest.cpp b/unittests/DriverTests/WinLinkDriverTest.cpp
new file mode 100644
index 000000000000..c2bc455aa81f
--- /dev/null
+++ b/unittests/DriverTests/WinLinkDriverTest.cpp
@@ -0,0 +1,728 @@
+//===- lld/unittest/WinLinkDriverTest.cpp ---------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Windows link.exe driver tests.
+///
+//===----------------------------------------------------------------------===//
+
+#include "DriverTest.h"
+#include "lld/ReaderWriter/PECOFFLinkingContext.h"
+#include "llvm/ADT/Optional.h"
+#include "llvm/Support/COFF.h"
+#include <set>
+#include <vector>
+
+using namespace llvm;
+using namespace lld;
+
+namespace {
+class WinLinkParserTest
+    : public ParserTest<WinLinkDriver, PECOFFLinkingContext> {
+protected:
+  const LinkingContext *linkingContext() override { return &_ctx; }
+};
+}
+
+TEST_F(WinLinkParserTest, Basic) {
+  EXPECT_TRUE(parse("link.exe", "/subsystem:console", "/out:a.exe",
+                    "-entry:start", "a.obj", "b.obj", "c.obj", nullptr));
+  EXPECT_EQ(llvm::COFF::IMAGE_SUBSYSTEM_WINDOWS_CUI, _ctx.getSubsystem());
+  EXPECT_EQ(llvm::COFF::IMAGE_FILE_MACHINE_I386, _ctx.getMachineType());
+  EXPECT_EQ("a.exe", _ctx.outputPath());
+  EXPECT_EQ("start", _ctx.getEntrySymbolName());
+  EXPECT_EQ(4, inputFileCount());
+  EXPECT_EQ("a.obj", inputFile(0));
+  EXPECT_EQ("b.obj", inputFile(1));
+  EXPECT_EQ("c.obj", inputFile(2));
+  EXPECT_TRUE(_ctx.getInputSearchPaths().empty());
+
+  // Unspecified flags will have default values.
+  EXPECT_FALSE(_ctx.isDll());
+  EXPECT_EQ(6, _ctx.getMinOSVersion().majorVersion);
+  EXPECT_EQ(0, _ctx.getMinOSVersion().minorVersion);
+  EXPECT_EQ(0x400000U, _ctx.getBaseAddress());
+  EXPECT_EQ(1024 * 1024U, _ctx.getStackReserve());
+  EXPECT_EQ(4096U, _ctx.getStackCommit());
+  EXPECT_EQ(4096U, _ctx.getSectionDefaultAlignment());
+  EXPECT_FALSE(_ctx.allowRemainingUndefines());
+  EXPECT_TRUE(_ctx.isNxCompat());
+  EXPECT_FALSE(_ctx.getLargeAddressAware());
+  EXPECT_TRUE(_ctx.getAllowBind());
+  EXPECT_TRUE(_ctx.getAllowIsolation());
+  EXPECT_FALSE(_ctx.getSwapRunFromCD());
+  EXPECT_FALSE(_ctx.getSwapRunFromNet());
+  EXPECT_TRUE(_ctx.getBaseRelocationEnabled());
+  EXPECT_TRUE(_ctx.isTerminalServerAware());
+  EXPECT_TRUE(_ctx.getDynamicBaseEnabled());
+  EXPECT_TRUE(_ctx.getCreateManifest());
+  EXPECT_EQ("", _ctx.getManifestDependency());
+  EXPECT_FALSE(_ctx.getEmbedManifest());
+  EXPECT_EQ(1, _ctx.getManifestId());
+  EXPECT_TRUE(_ctx.getManifestUAC());
+  EXPECT_EQ("'asInvoker'", _ctx.getManifestLevel());
+  EXPECT_EQ("'false'", _ctx.getManifestUiAccess());
+  EXPECT_TRUE(_ctx.deadStrip());
+  EXPECT_FALSE(_ctx.logInputFiles());
+}
+
+TEST_F(WinLinkParserTest, StartsWithHyphen) {
+  EXPECT_TRUE(
+      parse("link.exe", "-subsystem:console", "-out:a.exe", "a.obj", nullptr));
+  EXPECT_EQ(llvm::COFF::IMAGE_SUBSYSTEM_WINDOWS_CUI, _ctx.getSubsystem());
+  EXPECT_EQ("a.exe", _ctx.outputPath());
+  EXPECT_EQ(2, inputFileCount());
+  EXPECT_EQ("a.obj", inputFile(0));
+}
+
+TEST_F(WinLinkParserTest, UppercaseOption) {
+  EXPECT_TRUE(
+      parse("link.exe", "/SUBSYSTEM:CONSOLE", "/OUT:a.exe", "a.obj", nullptr));
+  EXPECT_EQ(llvm::COFF::IMAGE_SUBSYSTEM_WINDOWS_CUI, _ctx.getSubsystem());
+  EXPECT_EQ("a.exe", _ctx.outputPath());
+  EXPECT_EQ(2, inputFileCount());
+  EXPECT_EQ("a.obj", inputFile(0));
+}
+
+TEST_F(WinLinkParserTest, Mllvm) {
+  EXPECT_TRUE(parse("link.exe", "/mllvm:-debug", "a.obj", nullptr));
+  const std::vector<const char *> &options = _ctx.llvmOptions();
+  EXPECT_EQ(1U, options.size());
+  EXPECT_STREQ("-debug", options[0]);
+}
+
+TEST_F(WinLinkParserTest, NoInputFiles) {
+  EXPECT_FALSE(parse("link.exe", nullptr));
+  EXPECT_EQ("No input files\n", errorMessage());
+}
+
+//
+// Tests for implicit file extension interpolation.
+//
+
+TEST_F(WinLinkParserTest, NoFileExtension) {
+  EXPECT_TRUE(parse("link.exe", "foo", "bar", nullptr));
+  EXPECT_EQ("foo.exe", _ctx.outputPath());
+  EXPECT_EQ(3, inputFileCount());
+  EXPECT_EQ("foo.obj", inputFile(0));
+  EXPECT_EQ("bar.obj", inputFile(1));
+}
+
+TEST_F(WinLinkParserTest, NonStandardFileExtension) {
+  EXPECT_TRUE(parse("link.exe", "foo.o", nullptr));
+  EXPECT_EQ("foo.exe", _ctx.outputPath());
+  EXPECT_EQ(2, inputFileCount());
+  EXPECT_EQ("foo.o", inputFile(0));
+}
+
+TEST_F(WinLinkParserTest, Libpath) {
+  EXPECT_TRUE(
+      parse("link.exe", "/libpath:dir1", "/libpath:dir2", "a.obj", nullptr));
+  const std::vector<StringRef> &paths = _ctx.getInputSearchPaths();
+  EXPECT_EQ(2U, paths.size());
+  EXPECT_EQ("dir1", paths[0]);
+  EXPECT_EQ("dir2", paths[1]);
+}
+
+//
+// Tests for input file order
+//
+
+TEST_F(WinLinkParserTest, InputOrder) {
+  EXPECT_TRUE(parse("link.exe", "a.lib", "b.obj", "c.obj", "a.lib", "d.obj",
+                    nullptr));
+  EXPECT_EQ(5, inputFileCount());
+  EXPECT_EQ("b.obj", inputFile(0));
+  EXPECT_EQ("c.obj", inputFile(1));
+  EXPECT_EQ("d.obj", inputFile(2));
+  EXPECT_EQ("a.lib", inputFile(3));
+}
+
+//
+// Tests for command line options that take values.
+//
+
+TEST_F(WinLinkParserTest, AlternateName) {
+  EXPECT_TRUE(parse("link.exe", "/alternatename:sym1=sym",
+                    "/alternatename:sym2=sym", "a.out", nullptr));
+  const std::set<std::string> &aliases = _ctx.getAlternateNames("sym");
+  EXPECT_EQ(2U, aliases.size());
+  auto it = aliases.begin();
+  EXPECT_EQ("sym1", *it++);
+  EXPECT_EQ("sym2", *it++);
+}
+
+TEST_F(WinLinkParserTest, Export) {
+  EXPECT_TRUE(parse("link.exe", "/export:foo", "a.out", nullptr));
+  const std::vector<PECOFFLinkingContext::ExportDesc> &exports =
+      _ctx.getDllExports();
+  EXPECT_EQ(1U, exports.size());
+  EXPECT_EQ("_foo", exports[0].name);
+  EXPECT_EQ(-1, exports[0].ordinal);
+  EXPECT_FALSE(exports[0].noname);
+  EXPECT_FALSE(exports[0].isData);
+}
+
+TEST_F(WinLinkParserTest, ExportWithOptions) {
+  EXPECT_TRUE(parse("link.exe", "/export:foo,@8,noname,data",
+                    "/export:bar,@10,data", "a.out", nullptr));
+  const std::vector<PECOFFLinkingContext::ExportDesc> &exports =
+      _ctx.getDllExports();
+  EXPECT_EQ(2U, exports.size());
+  EXPECT_EQ("_foo", exports[0].name);
+  EXPECT_EQ(8, exports[0].ordinal);
+  EXPECT_TRUE(exports[0].noname);
+  EXPECT_TRUE(exports[0].isData);
+  EXPECT_EQ("_bar", exports[1].name);
+  EXPECT_EQ(10, exports[1].ordinal);
+  EXPECT_FALSE(exports[1].noname);
+  EXPECT_TRUE(exports[1].isData);
+}
+
+TEST_F(WinLinkParserTest, ExportDuplicateExports) {
+  EXPECT_TRUE(
+      parse("link.exe", "/export:foo", "/export:foo,@2", "a.out", nullptr));
+  const std::vector<PECOFFLinkingContext::ExportDesc> &exports =
+      _ctx.getDllExports();
+  EXPECT_EQ(1U, exports.size());
+  EXPECT_EQ("_foo", exports[0].name);
+  EXPECT_EQ(-1, exports[0].ordinal);
+}
+
+TEST_F(WinLinkParserTest, ExportDuplicateOrdinals) {
+  EXPECT_FALSE(
+      parse("link.exe", "/export:foo,@1", "/export:bar,@1", "a.out", nullptr));
+}
+
+TEST_F(WinLinkParserTest, ExportInvalid1) {
+  EXPECT_FALSE(parse("link.exe", "/export:foo,@0", "a.out", nullptr));
+}
+
+TEST_F(WinLinkParserTest, ExportInvalid2) {
+  EXPECT_FALSE(parse("link.exe", "/export:foo,@65536", "a.out", nullptr));
+}
+
+TEST_F(WinLinkParserTest, MachineX86) {
+  EXPECT_TRUE(parse("link.exe", "/machine:x86", "a.obj", nullptr));
+  EXPECT_EQ(llvm::COFF::IMAGE_FILE_MACHINE_I386, _ctx.getMachineType());
+}
+
+TEST_F(WinLinkParserTest, MachineX64) {
+  EXPECT_TRUE(parse("link.exe", "/machine:x64", "a.obj", nullptr));
+  EXPECT_EQ(llvm::COFF::IMAGE_FILE_MACHINE_AMD64, _ctx.getMachineType());
+}
+
+TEST_F(WinLinkParserTest, MachineArm) {
+  EXPECT_TRUE(parse("link.exe", "/machine:arm", "a.obj", nullptr));
+  EXPECT_EQ(llvm::COFF::IMAGE_FILE_MACHINE_ARMNT, _ctx.getMachineType());
+}
+
+TEST_F(WinLinkParserTest, MachineUnknown) {
+  EXPECT_FALSE(parse("link.exe", "/machine:nosucharch", "a.obj", nullptr));
+  EXPECT_EQ("error: unknown machine type: nosucharch\n", errorMessage());
+}
+
+TEST_F(WinLinkParserTest, MajorImageVersion) {
+  EXPECT_TRUE(parse("link.exe", "/version:7", "foo.o", nullptr));
+  EXPECT_EQ(7, _ctx.getImageVersion().majorVersion);
+  EXPECT_EQ(0, _ctx.getImageVersion().minorVersion);
+}
+
+TEST_F(WinLinkParserTest, MajorMinorImageVersion) {
+  EXPECT_TRUE(parse("link.exe", "/version:72.35", "foo.o", nullptr));
+  EXPECT_EQ(72, _ctx.getImageVersion().majorVersion);
+  EXPECT_EQ(35, _ctx.getImageVersion().minorVersion);
+}
+
+TEST_F(WinLinkParserTest, MinMajorOSVersion) {
+  EXPECT_TRUE(parse("link.exe", "/subsystem:windows,3", "foo.o", nullptr));
+  EXPECT_EQ(llvm::COFF::IMAGE_SUBSYSTEM_WINDOWS_GUI, _ctx.getSubsystem());
+  EXPECT_EQ(3, _ctx.getMinOSVersion().majorVersion);
+  EXPECT_EQ(0, _ctx.getMinOSVersion().minorVersion);
+}
+
+TEST_F(WinLinkParserTest, MinMajorMinorOSVersion) {
+  EXPECT_TRUE(parse("link.exe", "/subsystem:windows,3.1", "foo.o", nullptr));
+  EXPECT_EQ(llvm::COFF::IMAGE_SUBSYSTEM_WINDOWS_GUI, _ctx.getSubsystem());
+  EXPECT_EQ(3, _ctx.getMinOSVersion().majorVersion);
+  EXPECT_EQ(1, _ctx.getMinOSVersion().minorVersion);
+}
+
+TEST_F(WinLinkParserTest, Base) {
+  EXPECT_TRUE(parse("link.exe", "/base:8388608", "a.obj", nullptr));
+  EXPECT_EQ(0x800000U, _ctx.getBaseAddress());
+}
+
+TEST_F(WinLinkParserTest, InvalidBase) {
+  EXPECT_FALSE(parse("link.exe", "/base:1234", "a.obj", nullptr));
+  EXPECT_TRUE(StringRef(errorMessage())
+                  .startswith("Base address have to be multiple of 64K"));
+}
+
+TEST_F(WinLinkParserTest, StackReserve) {
+  EXPECT_TRUE(parse("link.exe", "/stack:8192", "a.obj", nullptr));
+  EXPECT_EQ(8192U, _ctx.getStackReserve());
+  EXPECT_EQ(4096U, _ctx.getStackCommit());
+}
+
+TEST_F(WinLinkParserTest, StackReserveAndCommit) {
+  EXPECT_TRUE(parse("link.exe", "/stack:16384,8192", "a.obj", nullptr));
+  EXPECT_EQ(16384U, _ctx.getStackReserve());
+  EXPECT_EQ(8192U, _ctx.getStackCommit());
+}
+
+TEST_F(WinLinkParserTest, InvalidStackSize) {
+  EXPECT_FALSE(parse("link.exe", "/stack:8192,16384", "a.obj", nullptr));
+  EXPECT_TRUE(StringRef(errorMessage()).startswith("Invalid stack size"));
+}
+
+TEST_F(WinLinkParserTest, HeapReserve) {
+  EXPECT_TRUE(parse("link.exe", "/heap:8192", "a.obj", nullptr));
+  EXPECT_EQ(8192U, _ctx.getHeapReserve());
+  EXPECT_EQ(4096U, _ctx.getHeapCommit());
+}
+
+TEST_F(WinLinkParserTest, HeapReserveAndCommit) {
+  EXPECT_TRUE(parse("link.exe", "/heap:16384,8192", "a.obj", nullptr));
+  EXPECT_EQ(16384U, _ctx.getHeapReserve());
+  EXPECT_EQ(8192U, _ctx.getHeapCommit());
+}
+
+TEST_F(WinLinkParserTest, InvalidHeapSize) {
+  EXPECT_FALSE(parse("link.exe", "/heap:8192,16384", "a.obj", nullptr));
+  EXPECT_TRUE(StringRef(errorMessage()).startswith("Invalid heap size"));
+}
+
+TEST_F(WinLinkParserTest, SectionAlignment) {
+  EXPECT_TRUE(parse("link.exe", "/align:8192", "a.obj", nullptr));
+  EXPECT_EQ(8192U, _ctx.getSectionDefaultAlignment());
+}
+
+TEST_F(WinLinkParserTest, InvalidAlignment) {
+  EXPECT_FALSE(parse("link.exe", "/align:1000", "a.obj", nullptr));
+  EXPECT_EQ("Section alignment must be a power of 2, but got 1000\n",
+            errorMessage());
+}
+
+TEST_F(WinLinkParserTest, Include) {
+  EXPECT_TRUE(parse("link.exe", "/include:foo", "a.out", nullptr));
+  auto symbols = _ctx.initialUndefinedSymbols();
+  EXPECT_FALSE(symbols.empty());
+  EXPECT_EQ("foo", symbols[0]);
+}
+
+TEST_F(WinLinkParserTest, Merge) {
+  EXPECT_TRUE(parse("link.exe", "/merge:.foo=.bar", "/merge:.bar=.baz",
+                    "a.out", nullptr));
+  EXPECT_EQ(".baz", _ctx.getOutputSectionName(".foo"));
+  EXPECT_EQ(".baz", _ctx.getOutputSectionName(".bar"));
+  EXPECT_EQ(".abc", _ctx.getOutputSectionName(".abc"));
+}
+
+TEST_F(WinLinkParserTest, Merge_Circular) {
+  EXPECT_FALSE(parse("link.exe", "/merge:.foo=.bar", "/merge:.bar=.foo",
+                     "a.out", nullptr));
+}
+
+TEST_F(WinLinkParserTest, Implib) {
+  EXPECT_TRUE(parse("link.exe", "/implib:foo.dll.lib", "a.out", nullptr));
+  EXPECT_EQ("foo.dll.lib", _ctx.getOutputImportLibraryPath());
+}
+
+TEST_F(WinLinkParserTest, ImplibDefault) {
+  EXPECT_TRUE(parse("link.exe", "/out:foobar.dll", "a.out", nullptr));
+  EXPECT_EQ("foobar.lib", _ctx.getOutputImportLibraryPath());
+}
+
+//
+// Tests for /section
+//
+
+namespace {
+const uint32_t discardable = llvm::COFF::IMAGE_SCN_MEM_DISCARDABLE;
+const uint32_t not_cached = llvm::COFF::IMAGE_SCN_MEM_NOT_CACHED;
+const uint32_t not_paged = llvm::COFF::IMAGE_SCN_MEM_NOT_PAGED;
+const uint32_t shared = llvm::COFF::IMAGE_SCN_MEM_SHARED;
+const uint32_t execute = llvm::COFF::IMAGE_SCN_MEM_EXECUTE;
+const uint32_t read = llvm::COFF::IMAGE_SCN_MEM_READ;
+const uint32_t write = llvm::COFF::IMAGE_SCN_MEM_WRITE;
+
+#define TEST_SECTION(testname, arg, expect)                                    \
+  TEST_F(WinLinkParserTest, testname) {                                        \
+    EXPECT_TRUE(parse("link.exe", "/section:.text," arg, "a.obj", nullptr));   \
+    EXPECT_EQ(expect, _ctx.getSectionAttributes(".text", execute | read)); \
+  }
+
+TEST_SECTION(SectionD, "d", execute | read | discardable)
+TEST_SECTION(SectionE, "e", execute)
+TEST_SECTION(SectionK, "k", execute | read | not_cached)
+TEST_SECTION(SectionP, "p", execute | read | not_paged)
+TEST_SECTION(SectionR, "r", read)
+TEST_SECTION(SectionS, "s", execute | read | shared)
+TEST_SECTION(SectionW, "w", write)
+
+#undef TEST_SECTION
+
+TEST_F(WinLinkParserTest, Section) {
+  EXPECT_TRUE(parse("link.exe", "/section:.text,dekprsw",
+                    "/section:.text,!dekprsw", "a.obj", nullptr));
+  EXPECT_EQ(0U, _ctx.getSectionAttributes(".text", execute | read));
+}
+
+TEST_F(WinLinkParserTest, SectionNegate) {
+  EXPECT_TRUE(parse("link.exe", "/section:.text,!e", "a.obj", nullptr));
+  EXPECT_EQ(read, _ctx.getSectionAttributes(".text", execute | read));
+}
+
+TEST_F(WinLinkParserTest, SectionMultiple) {
+  EXPECT_TRUE(parse("link.exe", "/section:.foo,e", "/section:.foo,rw",
+                    "/section:.foo,!d", "a.obj", nullptr));
+  uint32_t flags = execute | read | not_paged | discardable;
+  uint32_t expected = execute | read | write | not_paged;
+  EXPECT_EQ(expected, _ctx.getSectionAttributes(".foo", flags));
+}
+
+} // end anonymous namespace
+
+//
+// Tests for /defaultlib and /nodefaultlib.
+//
+
+TEST_F(WinLinkParserTest, DefaultLib) {
+  EXPECT_TRUE(parse("link.exe", "/defaultlib:user32.lib",
+                    "/defaultlib:kernel32", "a.obj", nullptr));
+  EXPECT_EQ(4, inputFileCount());
+  EXPECT_EQ("a.obj", inputFile(0));
+  EXPECT_EQ("user32.lib", inputFile(1));
+  EXPECT_EQ("kernel32.lib", inputFile(2));
+}
+
+TEST_F(WinLinkParserTest, DefaultLibDuplicates) {
+  EXPECT_TRUE(parse("link.exe", "/defaultlib:user32.lib",
+                    "/defaultlib:user32.lib", "a.obj", nullptr));
+  EXPECT_EQ(3, inputFileCount());
+  EXPECT_EQ("a.obj", inputFile(0));
+  EXPECT_EQ("user32.lib", inputFile(1));
+}
+
+TEST_F(WinLinkParserTest, NoDefaultLib) {
+  EXPECT_TRUE(parse("link.exe", "/defaultlib:user32.lib",
+                    "/defaultlib:kernel32", "/nodefaultlib:user32.lib", "a.obj",
+                    nullptr));
+  EXPECT_EQ(3, inputFileCount());
+  EXPECT_EQ("a.obj", inputFile(0));
+  EXPECT_EQ("kernel32.lib", inputFile(1));
+}
+
+TEST_F(WinLinkParserTest, NoDefaultLibCase) {
+  EXPECT_TRUE(parse("link.exe", "/defaultlib:user32",
+                    "/defaultlib:kernel32", "/nodefaultlib:USER32.LIB", "a.obj",
+                    nullptr));
+  EXPECT_EQ(3, inputFileCount());
+  EXPECT_EQ("a.obj", inputFile(0));
+  EXPECT_EQ("kernel32.lib", inputFile(1));
+}
+
+TEST_F(WinLinkParserTest, NoDefaultLibAll) {
+  EXPECT_TRUE(parse("link.exe", "/defaultlib:user32.lib",
+                    "/defaultlib:kernel32", "/nodefaultlib", "a.obj", nullptr));
+  EXPECT_EQ(2, inputFileCount());
+  EXPECT_EQ("a.obj", inputFile(0));
+}
+
+TEST_F(WinLinkParserTest, DisallowLib) {
+  EXPECT_TRUE(parse("link.exe", "/defaultlib:user32.lib",
+                    "/defaultlib:kernel32", "/disallowlib:user32.lib", "a.obj",
+                    nullptr));
+  EXPECT_EQ(3, inputFileCount());
+  EXPECT_EQ("a.obj", inputFile(0));
+  EXPECT_EQ("kernel32.lib", inputFile(1));
+}
+
+//
+// Tests for DLL.
+//
+
+TEST_F(WinLinkParserTest, NoEntry) {
+  EXPECT_TRUE(parse("link.exe", "/noentry", "/dll", "a.obj", nullptr));
+  EXPECT_TRUE(_ctx.isDll());
+  EXPECT_EQ(0x10000000U, _ctx.getBaseAddress());
+  EXPECT_EQ("", _ctx.entrySymbolName());
+}
+
+TEST_F(WinLinkParserTest, NoEntryError) {
+  // /noentry without /dll is an error.
+  EXPECT_FALSE(parse("link.exe", "/noentry", "a.obj", nullptr));
+  EXPECT_EQ("/noentry must be specified with /dll\n", errorMessage());
+}
+
+//
+// Tests for DELAYLOAD.
+//
+
+TEST_F(WinLinkParserTest, DelayLoad) {
+  EXPECT_TRUE(parse("link.exe", "/delayload:abc.dll", "/delayload:def.dll",
+                    "a.obj", nullptr));
+  EXPECT_TRUE(_ctx.isDelayLoadDLL("abc.dll"));
+  EXPECT_TRUE(_ctx.isDelayLoadDLL("DEF.DLL"));
+  EXPECT_FALSE(_ctx.isDelayLoadDLL("xyz.dll"));
+}
+
+//
+// Tests for SEH.
+//
+
+TEST_F(WinLinkParserTest, SafeSEH) {
+  EXPECT_TRUE(parse("link.exe", "/safeseh", "a.obj", nullptr));
+  EXPECT_TRUE(_ctx.requireSEH());
+  EXPECT_FALSE(_ctx.noSEH());
+}
+
+TEST_F(WinLinkParserTest, NoSafeSEH) {
+  EXPECT_TRUE(parse("link.exe", "/safeseh:no", "a.obj", nullptr));
+  EXPECT_FALSE(_ctx.requireSEH());
+  EXPECT_TRUE(_ctx.noSEH());
+}
+
+//
+// Tests for boolean flags.
+//
+
+TEST_F(WinLinkParserTest, Force) {
+  EXPECT_TRUE(parse("link.exe", "/force", "a.obj", nullptr));
+  EXPECT_TRUE(_ctx.allowRemainingUndefines());
+}
+
+TEST_F(WinLinkParserTest, ForceUnresolved) {
+  EXPECT_TRUE(parse("link.exe", "/force:unresolved", "a.obj", nullptr));
+  EXPECT_TRUE(_ctx.allowRemainingUndefines());
+}
+
+TEST_F(WinLinkParserTest, NoNxCompat) {
+  EXPECT_TRUE(parse("link.exe", "/nxcompat:no", "a.obj", nullptr));
+  EXPECT_FALSE(_ctx.isNxCompat());
+}
+
+TEST_F(WinLinkParserTest, LargeAddressAware) {
+  EXPECT_TRUE(parse("link.exe", "/largeaddressaware", "a.obj", nullptr));
+  EXPECT_TRUE(_ctx.getLargeAddressAware());
+}
+
+TEST_F(WinLinkParserTest, NoLargeAddressAware) {
+  EXPECT_TRUE(parse("link.exe", "/largeaddressaware:no", "a.obj", nullptr));
+  EXPECT_FALSE(_ctx.getLargeAddressAware());
+}
+
+TEST_F(WinLinkParserTest, AllowBind) {
+  EXPECT_TRUE(parse("link.exe", "/allowbind", "a.obj", nullptr));
+  EXPECT_TRUE(_ctx.getAllowBind());
+}
+
+TEST_F(WinLinkParserTest, NoAllowBind) {
+  EXPECT_TRUE(parse("link.exe", "/allowbind:no", "a.obj", nullptr));
+  EXPECT_FALSE(_ctx.getAllowBind());
+}
+
+TEST_F(WinLinkParserTest, AllowIsolation) {
+  EXPECT_TRUE(parse("link.exe", "/allowisolation", "a.obj", nullptr));
+  EXPECT_TRUE(_ctx.getAllowIsolation());
+}
+
+TEST_F(WinLinkParserTest, NoAllowIsolation) {
+  EXPECT_TRUE(parse("link.exe", "/allowisolation:no", "a.obj", nullptr));
+  EXPECT_FALSE(_ctx.getAllowIsolation());
+}
+
+TEST_F(WinLinkParserTest, SwapRunFromCD) {
+  EXPECT_TRUE(parse("link.exe", "/swaprun:cd", "a.obj", nullptr));
+  EXPECT_TRUE(_ctx.getSwapRunFromCD());
+}
+
+TEST_F(WinLinkParserTest, SwapRunFromNet) {
+  EXPECT_TRUE(parse("link.exe", "/swaprun:net", "a.obj", nullptr));
+  EXPECT_TRUE(_ctx.getSwapRunFromNet());
+}
+
+TEST_F(WinLinkParserTest, Debug) {
+  EXPECT_TRUE(parse("link.exe", "/debug", "a.obj", nullptr));
+  EXPECT_TRUE(_ctx.deadStrip());
+  EXPECT_TRUE(_ctx.getDebug());
+  EXPECT_EQ("a.pdb", _ctx.getPDBFilePath());
+}
+
+TEST_F(WinLinkParserTest, PDB) {
+  EXPECT_TRUE(parse("link.exe", "/debug", "/pdb:foo.pdb", "a.obj", nullptr));
+  EXPECT_TRUE(_ctx.getDebug());
+  EXPECT_EQ("foo.pdb", _ctx.getPDBFilePath());
+}
+
+TEST_F(WinLinkParserTest, Fixed) {
+  EXPECT_TRUE(parse("link.exe", "/fixed", "a.out", nullptr));
+  EXPECT_FALSE(_ctx.getBaseRelocationEnabled());
+  EXPECT_FALSE(_ctx.getDynamicBaseEnabled());
+}
+
+TEST_F(WinLinkParserTest, NoFixed) {
+  EXPECT_TRUE(parse("link.exe", "/fixed:no", "a.out", nullptr));
+  EXPECT_TRUE(_ctx.getBaseRelocationEnabled());
+}
+
+TEST_F(WinLinkParserTest, TerminalServerAware) {
+  EXPECT_TRUE(parse("link.exe", "/tsaware", "a.out", nullptr));
+  EXPECT_TRUE(_ctx.isTerminalServerAware());
+}
+
+TEST_F(WinLinkParserTest, NoTerminalServerAware) {
+  EXPECT_TRUE(parse("link.exe", "/tsaware:no", "a.out", nullptr));
+  EXPECT_FALSE(_ctx.isTerminalServerAware());
+}
+
+TEST_F(WinLinkParserTest, DynamicBase) {
+  EXPECT_TRUE(parse("link.exe", "/dynamicbase", "a.out", nullptr));
+  EXPECT_TRUE(_ctx.getDynamicBaseEnabled());
+}
+
+TEST_F(WinLinkParserTest, NoDynamicBase) {
+  EXPECT_TRUE(parse("link.exe", "/dynamicbase:no", "a.out", nullptr));
+  EXPECT_FALSE(_ctx.getDynamicBaseEnabled());
+}
+
+//
+// Test for /failifmismatch
+//
+
+TEST_F(WinLinkParserTest, FailIfMismatch_Match) {
+  EXPECT_TRUE(parse("link.exe", "/failifmismatch:foo=bar",
+                    "/failifmismatch:foo=bar", "/failifmismatch:abc=def",
+                    "a.out", nullptr));
+}
+
+TEST_F(WinLinkParserTest, FailIfMismatch_Mismatch) {
+  EXPECT_FALSE(parse("link.exe", "/failifmismatch:foo=bar",
+                     "/failifmismatch:foo=baz", "a.out", nullptr));
+}
+
+//
+// Tests for /manifest, /manifestuac, /manifestfile, and /manifestdependency.
+//
+TEST_F(WinLinkParserTest, Manifest_Default) {
+  EXPECT_TRUE(parse("link.exe", "/manifest", "a.out", nullptr));
+  EXPECT_TRUE(_ctx.getCreateManifest());
+  EXPECT_FALSE(_ctx.getEmbedManifest());
+  EXPECT_EQ(1, _ctx.getManifestId());
+  EXPECT_EQ("'asInvoker'", _ctx.getManifestLevel());
+  EXPECT_EQ("'false'", _ctx.getManifestUiAccess());
+}
+
+TEST_F(WinLinkParserTest, Manifest_No) {
+  EXPECT_TRUE(parse("link.exe", "/manifest:no", "a.out", nullptr));
+  EXPECT_FALSE(_ctx.getCreateManifest());
+}
+
+TEST_F(WinLinkParserTest, Manifestuac_no) {
+  EXPECT_TRUE(parse("link.exe", "/manifestuac:NO", "a.out", nullptr));
+  EXPECT_FALSE(_ctx.getManifestUAC());
+}
+
+TEST_F(WinLinkParserTest, Manifestuac_Level) {
+  EXPECT_TRUE(parse("link.exe", "/manifestuac:level='requireAdministrator'",
+                    "a.out", nullptr));
+  EXPECT_EQ("'requireAdministrator'", _ctx.getManifestLevel());
+  EXPECT_EQ("'false'", _ctx.getManifestUiAccess());
+}
+
+TEST_F(WinLinkParserTest, Manifestuac_UiAccess) {
+  EXPECT_TRUE(parse("link.exe", "/manifestuac:uiAccess='true'", "a.out", nullptr));
+  EXPECT_EQ("'asInvoker'", _ctx.getManifestLevel());
+  EXPECT_EQ("'true'", _ctx.getManifestUiAccess());
+}
+
+TEST_F(WinLinkParserTest, Manifestuac_LevelAndUiAccess) {
+  EXPECT_TRUE(parse("link.exe",
+                    "/manifestuac:level='requireAdministrator' uiAccess='true'",
+                    "a.out", nullptr));
+  EXPECT_EQ("'requireAdministrator'", _ctx.getManifestLevel());
+  EXPECT_EQ("'true'", _ctx.getManifestUiAccess());
+}
+
+TEST_F(WinLinkParserTest, Manifestfile) {
+  EXPECT_TRUE(parse("link.exe", "/manifestfile:bar.manifest",
+                    "a.out", nullptr));
+  EXPECT_EQ("bar.manifest", _ctx.getManifestOutputPath());
+}
+
+TEST_F(WinLinkParserTest, Manifestdependency) {
+  EXPECT_TRUE(parse("link.exe", "/manifestdependency:foo bar", "a.out",
+                    nullptr));
+  EXPECT_EQ("foo bar", _ctx.getManifestDependency());
+}
+
+//
+// Test for /OPT
+//
+
+TEST_F(WinLinkParserTest, OptNoRef) {
+  EXPECT_TRUE(parse("link.exe", "/opt:noref", "a.obj", nullptr));
+  EXPECT_FALSE(_ctx.deadStrip());
+}
+
+TEST_F(WinLinkParserTest, OptIgnore) {
+  EXPECT_TRUE(parse("link.exe", "/opt:ref", "/opt:icf", "/opt:noicf",
+                    "/opt:icf=foo", "/opt:lbr", "/opt:nolbr", "a.obj",
+                    nullptr));
+}
+
+TEST_F(WinLinkParserTest, OptUnknown) {
+  EXPECT_FALSE(parse("link.exe", "/opt:foo", "a.obj", nullptr));
+}
+
+//
+// Test for /PROFILE
+//
+
+TEST_F(WinLinkParserTest, Profile) {
+  EXPECT_TRUE(parse("link.exe", "/profile", "a.obj", nullptr));
+  EXPECT_TRUE(_ctx.deadStrip());
+  EXPECT_TRUE(_ctx.getBaseRelocationEnabled());
+  EXPECT_TRUE(_ctx.getDynamicBaseEnabled());
+}
+
+//
+// Test for command line flags that are ignored.
+//
+
+TEST_F(WinLinkParserTest, Ignore) {
+  // There are some no-op command line options that are recognized for
+  // compatibility with link.exe.
+  EXPECT_TRUE(parse("link.exe", "/nologo", "/errorreport:prompt",
+                    "/incremental", "/incremental:no", "/delay:unload",
+                    "/disallowlib:foo", "/pdbaltpath:bar",
+                    "/wx", "/wx:no", "/tlbid:1", "/tlbout:foo", "/idlout:foo",
+                    "/ignore:4000", "/ignoreidl", "/implib:foo", "/safeseh",
+                    "/safeseh:no", "/functionpadmin", "/maxilksize:1024",
+                    "a.obj", nullptr));
+  EXPECT_EQ("", errorMessage());
+  EXPECT_EQ(2, inputFileCount());
+  EXPECT_EQ("a.obj", inputFile(0));
+}
+
+//
+// Test for "--"
+//
+
+TEST_F(WinLinkParserTest, DashDash) {
+  EXPECT_TRUE(parse("link.exe", "/subsystem:console", "/out:a.exe", "a.obj",
+                    "--", "b.obj", "-c.obj", nullptr));
+  EXPECT_EQ(llvm::COFF::IMAGE_SUBSYSTEM_WINDOWS_CUI, _ctx.getSubsystem());
+  EXPECT_EQ("a.exe", _ctx.outputPath());
+  EXPECT_EQ(4, inputFileCount());
+  EXPECT_EQ("a.obj", inputFile(0));
+  EXPECT_EQ("b.obj", inputFile(1));
+  EXPECT_EQ("-c.obj", inputFile(2));
+}