-//===-- 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/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/system_error.h"
#include <algorithm>
#include <cstring>
+#include <list>
+#include <string>
+
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 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_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_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 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;
return;
}
- 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;
+ ErrorOr<ObjectFile*> ObjOrErr(ObjectFile::createObjectFile(Buff.release()));
+ if (error_code EC = ObjOrErr.getError()) {
+ errs() << Filename << ": " << EC.message() << '\n';
+ return;
}
+ OwningPtr<ObjectFile> Obj(ObjOrErr.get());
+
+ OwningPtr<DIContext> DICtx(DIContext::getDWARFContext(Obj.get()));
- OwningPtr<DIContext> dictx(DIContext::getDWARFContext(/*FIXME*/true,
- DebugInfoSection,
- DebugAbbrevSection,
- DebugArangesSection,
- DebugLineSection,
- DebugStringSection));
- dictx->dump(outs());
+ if (Address == -1ULL) {
+ outs() << Filename
+ << ":\tfile format " << Obj->getFileFormatName() << "\n\n";
+ // Dump the complete DWARF structure.
+ DICtx->dump(outs(), DumpType);
+ } 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);
+ }
+ }
}
int main(int argc, char **argv) {