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authorDimitry Andric <dim@FreeBSD.org>2019-08-20 20:51:32 +0000
committerDimitry Andric <dim@FreeBSD.org>2019-08-20 20:51:32 +0000
commitf1e1c239e31b467e17f1648b1f524fc9ab5b431a (patch)
treea855e7a2a8808555da60e6aa9601d6867eb23bac /COFF/Driver.h
parent7d6988fdd2aee0e033034e147f16fe05594a60e4 (diff)
downloadsrc-f1e1c239e31b467e17f1648b1f524fc9ab5b431a.tar.gz
src-f1e1c239e31b467e17f1648b1f524fc9ab5b431a.zip
Vendor import of stripped lld trunk r366426 (just before the release_90vendor/lld/lld-trunk-r366426
Notes
Notes: svn path=/vendor/lld/dist/; revision=351288 svn path=/vendor/lld/lld-trunk-r366426/; revision=351289; tag=vendor/lld/lld-trunk-r366426
Diffstat (limited to 'COFF/Driver.h')
-rw-r--r--COFF/Driver.h111
1 files changed, 58 insertions, 53 deletions
diff --git a/COFF/Driver.h b/COFF/Driver.h
index e779721ab75d..6100c3ca0c9e 100644
--- a/COFF/Driver.h
+++ b/COFF/Driver.h
@@ -1,9 +1,8 @@
//===- Driver.h -------------------------------------------------*- C++ -*-===//
//
-// The LLVM Linker
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
@@ -31,7 +30,7 @@ namespace lld {
namespace coff {
class LinkerDriver;
-extern LinkerDriver *Driver;
+extern LinkerDriver *driver;
using llvm::COFF::MachineTypes;
using llvm::COFF::WindowsSubsystem;
@@ -45,65 +44,71 @@ public:
class ArgParser {
public:
// Concatenate LINK environment variable and given arguments and parse them.
- llvm::opt::InputArgList parseLINK(std::vector<const char *> Args);
+ llvm::opt::InputArgList parseLINK(std::vector<const char *> args);
// Tokenizes a given string and then parses as command line options.
- llvm::opt::InputArgList parse(StringRef S) { return parse(tokenize(S)); }
+ llvm::opt::InputArgList parse(StringRef s) { return parse(tokenize(s)); }
// Tokenizes a given string and then parses as command line options in
// .drectve section. /EXPORT options are returned in second element
// to be processed in fastpath.
std::pair<llvm::opt::InputArgList, std::vector<StringRef>>
- parseDirectives(StringRef S);
+ parseDirectives(StringRef s);
private:
// Parses command line options.
- llvm::opt::InputArgList parse(llvm::ArrayRef<const char *> Args);
+ llvm::opt::InputArgList parse(llvm::ArrayRef<const char *> args);
- std::vector<const char *> tokenize(StringRef S);
+ std::vector<const char *> tokenize(StringRef s);
- COFFOptTable Table;
+ COFFOptTable table;
};
class LinkerDriver {
public:
- void link(llvm::ArrayRef<const char *> Args);
+ void link(llvm::ArrayRef<const char *> args);
// Used by the resolver to parse .drectve section contents.
- void parseDirectives(StringRef S);
+ void parseDirectives(InputFile *file);
// Used by ArchiveFile to enqueue members.
- void enqueueArchiveMember(const Archive::Child &C, StringRef SymName,
- StringRef ParentName);
+ void enqueueArchiveMember(const Archive::Child &c, StringRef symName,
+ StringRef parentName);
+
+ MemoryBufferRef takeBuffer(std::unique_ptr<MemoryBuffer> mb);
- MemoryBufferRef takeBuffer(std::unique_ptr<MemoryBuffer> MB);
+ void enqueuePath(StringRef path, bool wholeArchive);
private:
- std::unique_ptr<llvm::TarWriter> Tar; // for /linkrepro
+ std::unique_ptr<llvm::TarWriter> tar; // for /linkrepro
// Opens a file. Path has to be resolved already.
- MemoryBufferRef openFile(StringRef Path);
+ MemoryBufferRef openFile(StringRef path);
// Searches a file from search paths.
- Optional<StringRef> findFile(StringRef Filename);
- Optional<StringRef> findLib(StringRef Filename);
- StringRef doFindFile(StringRef Filename);
- StringRef doFindLib(StringRef Filename);
- StringRef doFindLibMinGW(StringRef Filename);
+ Optional<StringRef> findFile(StringRef filename);
+ Optional<StringRef> findLib(StringRef filename);
+ StringRef doFindFile(StringRef filename);
+ StringRef doFindLib(StringRef filename);
+ StringRef doFindLibMinGW(StringRef filename);
// Parses LIB environment which contains a list of search paths.
void addLibSearchPaths();
// Library search path. The first element is always "" (current directory).
- std::vector<StringRef> SearchPaths;
+ std::vector<StringRef> searchPaths;
+
+ void maybeExportMinGWSymbols(const llvm::opt::InputArgList &args);
// We don't want to add the same file more than once.
// Files are uniquified by their filesystem and file number.
- std::set<llvm::sys::fs::UniqueID> VisitedFiles;
+ std::set<llvm::sys::fs::UniqueID> visitedFiles;
+
+ std::set<std::string> visitedLibs;
- std::set<std::string> VisitedLibs;
+ Symbol *addUndefined(StringRef sym);
- Symbol *addUndefined(StringRef Sym);
+ StringRef mangleMaybe(Symbol *s);
// Windows specific -- "main" is not the only main function in Windows.
// You can choose one from these four -- {w,}{WinMain,main}.
@@ -115,60 +120,60 @@ private:
StringRef findDefaultEntry();
WindowsSubsystem inferSubsystem();
- void addBuffer(std::unique_ptr<MemoryBuffer> MB, bool WholeArchive);
- void addArchiveBuffer(MemoryBufferRef MBRef, StringRef SymName,
- StringRef ParentName);
+ void addBuffer(std::unique_ptr<MemoryBuffer> mb, bool wholeArchive);
+ void addArchiveBuffer(MemoryBufferRef mbref, StringRef symName,
+ StringRef parentName, uint64_t offsetInArchive);
- void enqueuePath(StringRef Path, bool WholeArchive);
-
- void enqueueTask(std::function<void()> Task);
+ void enqueueTask(std::function<void()> task);
bool run();
- std::list<std::function<void()>> TaskQueue;
- std::vector<StringRef> FilePaths;
- std::vector<MemoryBufferRef> Resources;
+ std::list<std::function<void()>> taskQueue;
+ std::vector<StringRef> filePaths;
+ std::vector<MemoryBufferRef> resources;
- llvm::StringSet<> DirectivesExports;
+ llvm::StringSet<> directivesExports;
};
// Functions below this line are defined in DriverUtils.cpp.
-void printHelp(const char *Argv0);
-
-// For /machine option.
-MachineTypes getMachineType(StringRef Arg);
-StringRef machineToStr(MachineTypes MT);
+void printHelp(const char *argv0);
// Parses a string in the form of "<integer>[,<integer>]".
-void parseNumbers(StringRef Arg, uint64_t *Addr, uint64_t *Size = nullptr);
+void parseNumbers(StringRef arg, uint64_t *addr, uint64_t *size = nullptr);
-void parseGuard(StringRef Arg);
+void parseGuard(StringRef arg);
// Parses a string in the form of "<integer>[.<integer>]".
// Minor's default value is 0.
-void parseVersion(StringRef Arg, uint32_t *Major, uint32_t *Minor);
+void parseVersion(StringRef arg, uint32_t *major, uint32_t *minor);
// Parses a string in the form of "<subsystem>[,<integer>[.<integer>]]".
-void parseSubsystem(StringRef Arg, WindowsSubsystem *Sys, uint32_t *Major,
- uint32_t *Minor);
+void parseSubsystem(StringRef arg, WindowsSubsystem *sys, uint32_t *major,
+ uint32_t *minor);
void parseAlternateName(StringRef);
void parseMerge(StringRef);
void parseSection(StringRef);
void parseAligncomm(StringRef);
+// Parses a string in the form of "[:<integer>]"
+void parseFunctionPadMin(llvm::opt::Arg *a, llvm::COFF::MachineTypes machine);
+
// Parses a string in the form of "EMBED[,=<integer>]|NO".
-void parseManifest(StringRef Arg);
+void parseManifest(StringRef arg);
// Parses a string in the form of "level=<string>|uiAccess=<string>"
-void parseManifestUAC(StringRef Arg);
+void parseManifestUAC(StringRef arg);
+
+// Parses a string in the form of "cd|net[,(cd|net)]*"
+void parseSwaprun(StringRef arg);
// Create a resource file containing a manifest XML.
std::unique_ptr<MemoryBuffer> createManifestRes();
void createSideBySideManifest();
// Used for dllexported symbols.
-Export parseExport(StringRef Arg);
+Export parseExport(StringRef arg);
void fixupExports();
void assignExportOrdinals();
@@ -176,12 +181,12 @@ void assignExportOrdinals();
// if value matches previous values for the key.
// This feature used in the directive section to reject
// incompatible objects.
-void checkFailIfMismatch(StringRef Arg);
+void checkFailIfMismatch(StringRef arg, InputFile *source);
// Convert Windows resource files (.res files) to a .obj file.
-MemoryBufferRef convertResToCOFF(ArrayRef<MemoryBufferRef> MBs);
+MemoryBufferRef convertResToCOFF(ArrayRef<MemoryBufferRef> mbs);
-void runMSVCLinker(std::string Rsp, ArrayRef<StringRef> Objects);
+void runMSVCLinker(std::string rsp, ArrayRef<StringRef> objects);
// Create enum with OPT_xxx values for each option in Options.td
enum {