-//===-- llvm-dwarfdump.cpp - Debug info dumping utility for llvm -----------===//
+//===-- llvm-dwarfdump.cpp - Debug info dumping utility for llvm ----------===//
//
// The LLVM Compiler Infrastructure
//
//
//===----------------------------------------------------------------------===//
-#include "llvm/ADT/OwningPtr.h"
-#include "llvm/ADT/Triple.h"
#include "llvm/ADT/STLExtras.h"
-#include "llvm/Object/ObjectFile.h"
+#include "llvm/ADT/Triple.h"
#include "llvm/DebugInfo/DIContext.h"
+#include "llvm/DebugInfo/DWARF/DWARFContext.h"
+#include "llvm/Object/MachOUniversal.h"
+#include "llvm/Object/ObjectFile.h"
+#include "llvm/Object/RelocVisitor.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/MemoryObject.h"
+#include "llvm/Support/Path.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/Support/system_error.h"
#include <algorithm>
#include <cstring>
+#include <list>
+#include <string>
+#include <system_error>
+
using namespace llvm;
using namespace object;
static cl::list<std::string>
-InputFilenames(cl::Positional, cl::desc("<input object files>"),
+InputFilenames(cl::Positional, cl::desc("<input object files or .dSYM bundles>"),
cl::ZeroOrMore);
-static void DumpInput(const StringRef &Filename) {
- OwningPtr<MemoryBuffer> Buff;
+static cl::opt<DIDumpType> DumpType(
+ "debug-dump", cl::init(DIDT_All), cl::desc("Dump of debug sections:"),
+ cl::values(
+ clEnumValN(DIDT_All, "all", "Dump all debug sections"),
+ clEnumValN(DIDT_Abbrev, "abbrev", ".debug_abbrev"),
+ clEnumValN(DIDT_AbbrevDwo, "abbrev.dwo", ".debug_abbrev.dwo"),
+ clEnumValN(DIDT_AppleNames, "apple_names", ".apple_names"),
+ clEnumValN(DIDT_AppleTypes, "apple_types", ".apple_types"),
+ clEnumValN(DIDT_AppleNamespaces, "apple_namespaces",
+ ".apple_namespaces"),
+ clEnumValN(DIDT_AppleObjC, "apple_objc", ".apple_objc"),
+ clEnumValN(DIDT_Aranges, "aranges", ".debug_aranges"),
+ clEnumValN(DIDT_Info, "info", ".debug_info"),
+ clEnumValN(DIDT_InfoDwo, "info.dwo", ".debug_info.dwo"),
+ clEnumValN(DIDT_Types, "types", ".debug_types"),
+ clEnumValN(DIDT_TypesDwo, "types.dwo", ".debug_types.dwo"),
+ clEnumValN(DIDT_Line, "line", ".debug_line"),
+ clEnumValN(DIDT_LineDwo, "line.dwo", ".debug_line.dwo"),
+ clEnumValN(DIDT_Loc, "loc", ".debug_loc"),
+ clEnumValN(DIDT_LocDwo, "loc.dwo", ".debug_loc.dwo"),
+ clEnumValN(DIDT_Frames, "frames", ".debug_frame"),
+ clEnumValN(DIDT_Macro, "macro", ".debug_macinfo"),
+ clEnumValN(DIDT_Ranges, "ranges", ".debug_ranges"),
+ clEnumValN(DIDT_Pubnames, "pubnames", ".debug_pubnames"),
+ clEnumValN(DIDT_Pubtypes, "pubtypes", ".debug_pubtypes"),
+ clEnumValN(DIDT_GnuPubnames, "gnu_pubnames", ".debug_gnu_pubnames"),
+ clEnumValN(DIDT_GnuPubtypes, "gnu_pubtypes", ".debug_gnu_pubtypes"),
+ clEnumValN(DIDT_Str, "str", ".debug_str"),
+ clEnumValN(DIDT_StrDwo, "str.dwo", ".debug_str.dwo"),
+ clEnumValN(DIDT_StrOffsetsDwo, "str_offsets.dwo",
+ ".debug_str_offsets.dwo"),
+ clEnumValN(DIDT_CUIndex, "cu_index", ".debug_cu_index"),
+ clEnumValN(DIDT_TUIndex, "tu_index", ".debug_tu_index"), clEnumValEnd));
- if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename, Buff)) {
- errs() << Filename << ": " << ec.message() << "\n";
+static void error(StringRef Filename, std::error_code EC) {
+ if (!EC)
return;
- }
+ errs() << Filename << ": " << EC.message() << "\n";
+ exit(1);
+}
- OwningPtr<ObjectFile> Obj(ObjectFile::createObjectFile(Buff.take()));
-
- outs() << '\n';
- outs() << Filename
- << ":\tfile format " << Obj->getFileFormatName() << "\n\n";
-
- StringRef DebugInfoSection;
- StringRef DebugAbbrevSection;
- StringRef DebugLineSection;
- StringRef DebugArangesSection;
- StringRef DebugStringSection;
-
- error_code ec;
- for (ObjectFile::section_iterator i = Obj->begin_sections(),
- e = Obj->end_sections();
- i != e; i.increment(ec)) {
- StringRef name;
- i->getName(name);
- StringRef data;
- i->getContents(data);
-
- if (name.startswith("__DWARF,"))
- name = name.substr(8); // Skip "__DWARF," prefix.
- name = name.substr(name.find_first_not_of("._")); // Skip . and _ prefixes.
- if (name == "debug_info")
- DebugInfoSection = data;
- else if (name == "debug_abbrev")
- DebugAbbrevSection = data;
- else if (name == "debug_line")
- DebugLineSection = data;
- else if (name == "debug_aranges")
- DebugArangesSection = data;
- else if (name == "debug_str")
- DebugStringSection = data;
- }
+static void DumpObjectFile(ObjectFile &Obj, Twine Filename) {
+ std::unique_ptr<DIContext> DICtx(new DWARFContextInMemory(Obj));
- OwningPtr<DIContext> dictx(DIContext::getDWARFContext(/*FIXME*/true,
- DebugInfoSection,
- DebugAbbrevSection,
- DebugArangesSection,
- DebugLineSection,
- DebugStringSection));
- dictx->dump(outs());
+ outs() << Filename.str() << ":\tfile format " << Obj.getFileFormatName()
+ << "\n\n";
+ // Dump the complete DWARF structure.
+ DICtx->dump(outs(), DumpType);
+}
+
+static void DumpInput(StringRef Filename) {
+ ErrorOr<std::unique_ptr<MemoryBuffer>> BuffOrErr =
+ MemoryBuffer::getFileOrSTDIN(Filename);
+ error(Filename, BuffOrErr.getError());
+ std::unique_ptr<MemoryBuffer> Buff = std::move(BuffOrErr.get());
+
+ ErrorOr<std::unique_ptr<Binary>> BinOrErr =
+ object::createBinary(Buff->getMemBufferRef());
+ error(Filename, BinOrErr.getError());
+
+ if (auto *Obj = dyn_cast<ObjectFile>(BinOrErr->get()))
+ DumpObjectFile(*Obj, Filename);
+ else if (auto *Fat = dyn_cast<MachOUniversalBinary>(BinOrErr->get()))
+ for (auto &ObjForArch : Fat->objects()) {
+ auto MachOOrErr = ObjForArch.getAsObjectFile();
+ error(Filename, MachOOrErr.getError());
+ DumpObjectFile(**MachOOrErr,
+ Filename + " (" + ObjForArch.getArchTypeName() + ")");
+ }
+}
+
+/// If the input path is a .dSYM bundle (as created by the dsymutil tool),
+/// replace it with individual entries for each of the object files inside the
+/// bundle otherwise return the input path.
+static std::vector<std::string> expandBundle(std::string InputPath) {
+ std::vector<std::string> BundlePaths;
+ SmallString<256> BundlePath(InputPath);
+ // Manually open up the bundle to avoid introducing additional dependencies.
+ if (sys::fs::is_directory(BundlePath) &&
+ sys::path::extension(BundlePath) == ".dSYM") {
+ std::error_code EC;
+ sys::path::append(BundlePath, "Contents", "Resources", "DWARF");
+ for (sys::fs::directory_iterator Dir(BundlePath, EC), DirEnd;
+ Dir != DirEnd && !EC; Dir.increment(EC)) {
+ const std::string &Path = Dir->path();
+ sys::fs::file_status Status;
+ EC = sys::fs::status(Path, Status);
+ error(Path, EC);
+ switch (Status.type()) {
+ case sys::fs::file_type::regular_file:
+ case sys::fs::file_type::symlink_file:
+ case sys::fs::file_type::type_unknown:
+ BundlePaths.push_back(Path);
+ break;
+ default: /*ignore*/;
+ }
+ }
+ error(BundlePath, EC);
+ }
+ if (!BundlePaths.size())
+ BundlePaths.push_back(InputPath);
+ return BundlePaths;
}
int main(int argc, char **argv) {
if (InputFilenames.size() == 0)
InputFilenames.push_back("a.out");
- std::for_each(InputFilenames.begin(), InputFilenames.end(), DumpInput);
+ // Expand any .dSYM bundles to the individual object files contained therein.
+ std::vector<std::string> Objects;
+ for (auto F : InputFilenames) {
+ auto Objs = expandBundle(F);
+ Objects.insert(Objects.end(), Objs.begin(), Objs.end());
+ }
+
+ std::for_each(Objects.begin(), Objects.end(), DumpInput);
- return 0;
+ return EXIT_SUCCESS;
}
projects / oota-llvm.git / blobdiff