//
//===----------------------------------------------------------------------===//
-#include "llvm/ADT/OwningPtr.h"
-#include "llvm/ADT/Triple.h"
#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/Triple.h"
+#include "llvm/DebugInfo/DWARF/DIContext.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/Object/RelocVisitor.h"
-#include "llvm/DebugInfo/DIContext.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/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;
InputFilenames(cl::Positional, cl::desc("<input object files>"),
cl::ZeroOrMore);
-static cl::opt<unsigned long long>
-Address("address", cl::init(-1ULL),
- cl::desc("Print line information for a given address"));
-
-static cl::opt<bool>
-PrintFunctions("functions", cl::init(false),
- cl::desc("Print function names as well as line information "
- "for a given address"));
-
-static cl::opt<bool>
-PrintInlining("inlining", cl::init(false),
- cl::desc("Print all inlined frames for a given address"));
-
-static void PrintDILineInfo(DILineInfo dli) {
- if (PrintFunctions)
- outs() << (dli.getFunctionName() ? dli.getFunctionName() : "<unknown>")
- << "\n";
- outs() << (dli.getFileName() ? dli.getFileName() : "<unknown>") << ':'
- << dli.getLine() << ':' << dli.getColumn() << '\n';
-}
-
-static void DumpInput(const StringRef &Filename) {
- OwningPtr<MemoryBuffer> Buff;
-
- if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename, Buff)) {
- errs() << Filename << ": " << ec.message() << "\n";
+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_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"),
+ clEnumValEnd));
+
+static void DumpInput(StringRef Filename) {
+ ErrorOr<std::unique_ptr<MemoryBuffer>> BuffOrErr =
+ MemoryBuffer::getFileOrSTDIN(Filename);
+
+ if (std::error_code EC = BuffOrErr.getError()) {
+ errs() << Filename << ": " << EC.message() << "\n";
return;
}
+ std::unique_ptr<MemoryBuffer> Buff = std::move(BuffOrErr.get());
- OwningPtr<ObjectFile> Obj(ObjectFile::createObjectFile(Buff.take()));
-
- StringRef DebugInfoSection;
- RelocAddrMap RelocMap;
- StringRef DebugAbbrevSection;
- StringRef DebugLineSection;
- StringRef DebugArangesSection;
- StringRef DebugStringSection;
- StringRef DebugRangesSection;
-
- error_code ec;
- for (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;
- else if (name == "debug_ranges")
- DebugRangesSection = data;
- // Any more debug info sections go here.
- else
- continue;
-
- // TODO: For now only handle relocations for the debug_info section.
- if (name != "debug_info")
- continue;
-
- if (i->begin_relocations() != i->end_relocations()) {
- uint64_t SectionSize;
- i->getSize(SectionSize);
- for (relocation_iterator reloc_i = i->begin_relocations(),
- reloc_e = i->end_relocations();
- reloc_i != reloc_e; reloc_i.increment(ec)) {
- uint64_t Address;
- reloc_i->getAddress(Address);
- uint64_t Type;
- reloc_i->getType(Type);
-
- RelocVisitor V(Obj->getFileFormatName());
- // The section address is always 0 for debug sections.
- RelocToApply R(V.visit(Type, *reloc_i));
- if (V.error()) {
- SmallString<32> Name;
- error_code ec(reloc_i->getTypeName(Name));
- if (ec) {
- errs() << "Aaaaaa! Nameless relocation! Aaaaaa!\n";
- }
- errs() << "error: failed to compute relocation: "
- << Name << "\n";
- continue;
- }
-
- if (Address + R.Width > SectionSize) {
- errs() << "error: " << R.Width << "-byte relocation starting "
- << Address << " bytes into section " << name << " which is "
- << SectionSize << " bytes long.\n";
- continue;
- }
- if (R.Width > 8) {
- errs() << "error: can't handle a relocation of more than 8 bytes at "
- "a time.\n";
- continue;
- }
- DEBUG(dbgs() << "Writing " << format("%p", R.Value)
- << " at " << format("%p", Address)
- << " with width " << format("%d", R.Width)
- << "\n");
- RelocMap[Address] = std::make_pair(R.Width, R.Value);
- }
- }
+ ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr =
+ ObjectFile::createObjectFile(Buff->getMemBufferRef());
+ if (std::error_code EC = ObjOrErr.getError()) {
+ errs() << Filename << ": " << EC.message() << '\n';
+ return;
}
+ ObjectFile &Obj = *ObjOrErr.get();
- OwningPtr<DIContext> dictx(DIContext::getDWARFContext(/*FIXME*/true,
- DebugInfoSection,
- DebugAbbrevSection,
- DebugArangesSection,
- DebugLineSection,
- DebugStringSection,
- DebugRangesSection,
- RelocMap));
- if (Address == -1ULL) {
- outs() << Filename
- << ":\tfile format " << Obj->getFileFormatName() << "\n\n";
- // Dump the complete DWARF structure.
- dictx->dump(outs());
- } else {
- // Print line info for the specified address.
- int SpecFlags = DILineInfoSpecifier::FileLineInfo |
- DILineInfoSpecifier::AbsoluteFilePath;
- if (PrintFunctions)
- SpecFlags |= DILineInfoSpecifier::FunctionName;
- if (PrintInlining) {
- DIInliningInfo InliningInfo =
- dictx->getInliningInfoForAddress(Address, SpecFlags);
- uint32_t n = InliningInfo.getNumberOfFrames();
- if (n == 0) {
- // Print one empty debug line info in any case.
- PrintDILineInfo(DILineInfo());
- } else {
- for (uint32_t i = 0; i < n; i++) {
- DILineInfo dli = InliningInfo.getFrame(i);
- PrintDILineInfo(dli);
- }
- }
- } else {
- DILineInfo dli = dictx->getLineInfoForAddress(Address, SpecFlags);
- PrintDILineInfo(dli);
- }
- }
+ std::unique_ptr<DIContext> DICtx(DIContext::getDWARFContext(Obj));
+
+ outs() << Filename
+ << ":\tfile format " << Obj.getFileFormatName() << "\n\n";
+ // Dump the complete DWARF structure.
+ DICtx->dump(outs(), DumpType);
}
int main(int argc, char **argv) {