[llvm] r221836 - [dwarfdump] Add support for dumping accelerator tables.

Frederic Riss friss at apple.com
Wed Nov 12 15:48:10 PST 2014


Author: friss
Date: Wed Nov 12 17:48:10 2014
New Revision: 221836

URL: http://llvm.org/viewvc/llvm-project?rev=221836&view=rev
Log:
[dwarfdump] Add support for dumping accelerator tables.

The class used for the dump only allows to dump for the moment, but
it can (and will) be easily extended to support search also.

Added:
    llvm/trunk/lib/DebugInfo/DWARFAcceleratorTable.cpp
    llvm/trunk/lib/DebugInfo/DWARFAcceleratorTable.h
    llvm/trunk/test/DebugInfo/dwarfdump-accel.test
Modified:
    llvm/trunk/include/llvm/DebugInfo/DIContext.h
    llvm/trunk/lib/DebugInfo/CMakeLists.txt
    llvm/trunk/lib/DebugInfo/DWARFContext.cpp
    llvm/trunk/lib/DebugInfo/DWARFContext.h
    llvm/trunk/test/DebugInfo/Inputs/gmlt.ll
    llvm/trunk/tools/llvm-dwarfdump/llvm-dwarfdump.cpp

Modified: llvm/trunk/include/llvm/DebugInfo/DIContext.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/DebugInfo/DIContext.h?rev=221836&r1=221835&r2=221836&view=diff
==============================================================================
--- llvm/trunk/include/llvm/DebugInfo/DIContext.h (original)
+++ llvm/trunk/include/llvm/DebugInfo/DIContext.h Wed Nov 12 17:48:10 2014
@@ -107,7 +107,11 @@ enum DIDumpType {
   DIDT_GnuPubtypes,
   DIDT_Str,
   DIDT_StrDwo,
-  DIDT_StrOffsetsDwo
+  DIDT_StrOffsetsDwo,
+  DIDT_AppleNames,
+  DIDT_AppleTypes,
+  DIDT_AppleNamespaces,
+  DIDT_AppleObjC
 };
 
 // In place of applying the relocations to the data we've read from disk we use

Modified: llvm/trunk/lib/DebugInfo/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/DebugInfo/CMakeLists.txt?rev=221836&r1=221835&r2=221836&view=diff
==============================================================================
--- llvm/trunk/lib/DebugInfo/CMakeLists.txt (original)
+++ llvm/trunk/lib/DebugInfo/CMakeLists.txt Wed Nov 12 17:48:10 2014
@@ -1,6 +1,7 @@
 add_llvm_library(LLVMDebugInfo
   DIContext.cpp
   DWARFAbbreviationDeclaration.cpp
+  DWARFAcceleratorTable.cpp
   DWARFCompileUnit.cpp
   DWARFContext.cpp
   DWARFDebugAbbrev.cpp

Added: llvm/trunk/lib/DebugInfo/DWARFAcceleratorTable.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/DebugInfo/DWARFAcceleratorTable.cpp?rev=221836&view=auto
==============================================================================
--- llvm/trunk/lib/DebugInfo/DWARFAcceleratorTable.cpp (added)
+++ llvm/trunk/lib/DebugInfo/DWARFAcceleratorTable.cpp Wed Nov 12 17:48:10 2014
@@ -0,0 +1,110 @@
+#include "DWARFAcceleratorTable.h"
+
+#include "llvm/Support/Dwarf.h"
+#include "llvm/Support/Format.h"
+#include "llvm/Support/raw_ostream.h"
+
+namespace llvm {
+
+bool DWARFAcceleratorTable::extract() {
+  uint32_t Offset = 0;
+
+  // Check that we can at least read the header.
+  if (!AccelSection.isValidOffset(offsetof(Header, HeaderDataLength)+4))
+    return false;
+
+  Hdr.Magic = AccelSection.getU32(&Offset);
+  Hdr.Version = AccelSection.getU16(&Offset);
+  Hdr.HashFunction = AccelSection.getU16(&Offset);
+  Hdr.NumBuckets = AccelSection.getU32(&Offset);
+  Hdr.NumHashes = AccelSection.getU32(&Offset);
+  Hdr.HeaderDataLength = AccelSection.getU32(&Offset);
+
+  // Check that we can read all the hashes and offsets from the
+  // section (see SourceLevelDebugging.rst for the structure of the index).
+  if (!AccelSection.isValidOffset(sizeof(Hdr) + Hdr.HeaderDataLength +
+                                  Hdr.NumBuckets*4 + Hdr.NumHashes*8))
+    return false;
+
+  HdrData.DIEOffsetBase = AccelSection.getU32(&Offset);
+  uint32_t NumAtoms = AccelSection.getU32(&Offset);
+
+  for (unsigned i = 0; i < NumAtoms; ++i) {
+    auto Atom = std::make_pair(AccelSection.getU16(&Offset),
+                               DWARFFormValue(AccelSection.getU16(&Offset)));
+    HdrData.Atoms.push_back(Atom);
+  }
+
+  return true;
+}
+
+void DWARFAcceleratorTable::dump(raw_ostream &OS) {
+  // Dump the header.
+  OS << "Magic = " << format("0x%08x", Hdr.Magic) << '\n';
+  OS << "Version = " << format("0x%04x", Hdr.Version) << '\n';
+  OS << "Hash function = " << format("0x%08x", Hdr.HashFunction) << '\n';
+  OS << "Bucket count = " << Hdr.NumBuckets << '\n';
+  OS << "Hashes count = " << Hdr.NumHashes << '\n';
+  OS << "HeaderData length = " << Hdr.HeaderDataLength << '\n';
+  OS << "DIE offset base = " << HdrData.DIEOffsetBase << '\n';
+  OS << "Number of atoms = " << HdrData.Atoms.size() << '\n';
+
+  unsigned i = 0;
+  for (const auto &Atom: HdrData.Atoms) {
+    OS << format("Atom[%d] ", i++);
+    OS << " Type: " << dwarf::AtomTypeString(Atom.first);
+    OS << " Form: " << dwarf::FormEncodingString(Atom.second.getForm());
+    OS << "\n";
+  }
+
+  // Now go through the actual tables and dump them.
+  uint32_t Offset = sizeof(Hdr) + Hdr.HeaderDataLength;
+  unsigned HashesBase = Offset + Hdr.NumBuckets * 4;
+  unsigned OffsetsBase = HashesBase + Hdr.NumHashes * 4;
+
+  for (unsigned Bucket = 0; Bucket < Hdr.NumBuckets; ++Bucket) {
+    unsigned Index;
+    Index = AccelSection.getU32(&Offset);
+
+    OS << format("Bucket[%d]\n", Bucket);
+    if (Index == UINT32_MAX) {
+      OS << "  EMPTY\n";
+      continue;
+    }
+
+    for (unsigned HashIdx = Index; HashIdx < Hdr.NumHashes; ++HashIdx) {
+      unsigned HashOffset = HashesBase + HashIdx*4;
+      unsigned OffsetsOffset = OffsetsBase + HashIdx*4;
+      uint32_t Hash = AccelSection.getU32(&HashOffset);
+
+      if (Hash % Hdr.NumBuckets != Bucket)
+        break;
+
+      unsigned DataOffset = AccelSection.getU32(&OffsetsOffset);
+      OS << format("  Hash = 0x%08x Offset = 0x%08x\n", Hash, DataOffset);
+      if (!AccelSection.isValidOffset(DataOffset)) {
+        OS << "    Invalid section offset\n";
+        continue;
+      }
+      while (unsigned StringOffset = AccelSection.getU32(&DataOffset)) {
+        OS << format("    Name: %08x \"%s\"\n", StringOffset,
+                     StringSection.getCStr(&StringOffset));
+        unsigned NumData = AccelSection.getU32(&DataOffset);
+        for (unsigned Data = 0; Data < NumData; ++Data) {
+          OS << format("    Data[%d] => ", Data);
+          unsigned i = 0;
+          for (auto &Atom : HdrData.Atoms) {
+            OS << format("{Atom[%d]: ", i++);
+            if (Atom.second.extractValue(AccelSection, &DataOffset, nullptr))
+              Atom.second.dump(OS, nullptr);
+            else
+              OS << "Error extracting the value";
+            OS << "} ";
+          }
+          OS << '\n';
+        }
+      }
+    }
+  }
+}
+}

Added: llvm/trunk/lib/DebugInfo/DWARFAcceleratorTable.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/DebugInfo/DWARFAcceleratorTable.h?rev=221836&view=auto
==============================================================================
--- llvm/trunk/lib/DebugInfo/DWARFAcceleratorTable.h (added)
+++ llvm/trunk/lib/DebugInfo/DWARFAcceleratorTable.h Wed Nov 12 17:48:10 2014
@@ -0,0 +1,38 @@
+
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/DebugInfo/DWARFFormValue.h"
+
+#include <cstdint>
+
+namespace llvm {
+
+class DWARFAcceleratorTable {
+
+  struct Header {
+    uint32_t Magic;
+    uint16_t Version;
+    uint16_t HashFunction;
+    uint32_t NumBuckets;
+    uint32_t NumHashes;
+    uint32_t HeaderDataLength;
+  };
+
+  struct HeaderData {
+    typedef uint16_t AtomType;
+    uint32_t DIEOffsetBase;
+    SmallVector<std::pair<AtomType, DWARFFormValue>, 1> Atoms;
+  };
+
+  struct Header Hdr;
+  struct HeaderData HdrData;
+  DataExtractor AccelSection;
+  DataExtractor StringSection;
+public:
+  DWARFAcceleratorTable(DataExtractor AccelSection, DataExtractor StringSection)
+    : AccelSection(AccelSection), StringSection(StringSection) {}
+
+  bool extract();
+  void dump(raw_ostream &OS);
+};
+
+}

Modified: llvm/trunk/lib/DebugInfo/DWARFContext.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/DebugInfo/DWARFContext.cpp?rev=221836&r1=221835&r2=221836&view=diff
==============================================================================
--- llvm/trunk/lib/DebugInfo/DWARFContext.cpp (original)
+++ llvm/trunk/lib/DebugInfo/DWARFContext.cpp Wed Nov 12 17:48:10 2014
@@ -9,6 +9,7 @@
 
 #include "DWARFContext.h"
 #include "DWARFDebugArangeSet.h"
+#include "DWARFAcceleratorTable.h"
 
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/StringSwitch.h"
@@ -59,6 +60,17 @@ static void dumpPubSection(raw_ostream &
   }
 }
 
+static void dumpAccelSection(raw_ostream &OS, StringRef Name, StringRef Data,
+                             StringRef StringSection, bool LittleEndian) {
+  DataExtractor AccelSection(Data, LittleEndian, 0);
+  DataExtractor StrData(StringSection, LittleEndian, 0);
+  OS << "\n." << Name << " contents:\n";
+  DWARFAcceleratorTable Accel(AccelSection, StrData);
+  if (!Accel.extract())
+    return;
+  Accel.dump(OS);
+}
+
 void DWARFContext::dump(raw_ostream &OS, DIDumpType DumpType) {
   if (DumpType == DIDT_All || DumpType == DIDT_Abbrev) {
     OS << ".debug_abbrev contents:\n";
@@ -218,6 +230,22 @@ void DWARFContext::dump(raw_ostream &OS,
       OS << format("%8.8x\n", strOffsetExt.getU32(&offset));
     }
   }
+
+  if (DumpType == DIDT_All || DumpType == DIDT_AppleNames)
+    dumpAccelSection(OS, "apple_names", getAppleNamesSection(),
+                     getStringSection(), isLittleEndian());
+
+  if (DumpType == DIDT_All || DumpType == DIDT_AppleTypes)
+    dumpAccelSection(OS, "apple_types", getAppleTypesSection(),
+                     getStringSection(), isLittleEndian());
+
+  if (DumpType == DIDT_All || DumpType == DIDT_AppleNamespaces)
+    dumpAccelSection(OS, "apple_namespaces", getAppleNamespacesSection(),
+                     getStringSection(), isLittleEndian());
+
+  if (DumpType == DIDT_All || DumpType == DIDT_AppleObjC)
+    dumpAccelSection(OS, "apple_objc", getAppleObjCSection(),
+                     getStringSection(), isLittleEndian());
 }
 
 const DWARFDebugAbbrev *DWARFContext::getDebugAbbrev() {
@@ -565,6 +593,11 @@ DWARFContextInMemory::DWARFContextInMemo
             .Case("debug_str.dwo", &StringDWOSection)
             .Case("debug_str_offsets.dwo", &StringOffsetDWOSection)
             .Case("debug_addr", &AddrSection)
+            .Case("apple_names", &AppleNamesSection)
+            .Case("apple_types", &AppleTypesSection)
+            .Case("apple_namespaces", &AppleNamespacesSection)
+            .Case("apple_namespac", &AppleNamespacesSection)
+            .Case("apple_objc", &AppleObjCSection)
             // Any more debug info sections go here.
             .Default(nullptr);
     if (SectionData) {

Modified: llvm/trunk/lib/DebugInfo/DWARFContext.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/DebugInfo/DWARFContext.h?rev=221836&r1=221835&r2=221836&view=diff
==============================================================================
--- llvm/trunk/lib/DebugInfo/DWARFContext.h (original)
+++ llvm/trunk/lib/DebugInfo/DWARFContext.h Wed Nov 12 17:48:10 2014
@@ -192,6 +192,10 @@ public:
   virtual StringRef getStringOffsetDWOSection() = 0;
   virtual StringRef getRangeDWOSection() = 0;
   virtual StringRef getAddrSection() = 0;
+  virtual StringRef getAppleNamesSection() = 0;
+  virtual StringRef getAppleTypesSection() = 0;
+  virtual StringRef getAppleNamespacesSection() = 0;
+  virtual StringRef getAppleObjCSection() = 0;
 
   static bool isSupportedVersion(unsigned version) {
     return version == 2 || version == 3 || version == 4;
@@ -236,6 +240,10 @@ class DWARFContextInMemory : public DWAR
   StringRef StringOffsetDWOSection;
   StringRef RangeDWOSection;
   StringRef AddrSection;
+  StringRef AppleNamesSection;
+  StringRef AppleTypesSection;
+  StringRef AppleNamespacesSection;
+  StringRef AppleObjCSection;
 
   SmallVector<SmallString<32>, 4> UncompressedSections;
 
@@ -256,6 +264,10 @@ public:
   StringRef getPubTypesSection() override { return PubTypesSection; }
   StringRef getGnuPubNamesSection() override { return GnuPubNamesSection; }
   StringRef getGnuPubTypesSection() override { return GnuPubTypesSection; }
+  StringRef getAppleNamesSection() override { return AppleNamesSection; }
+  StringRef getAppleTypesSection() override { return AppleTypesSection; }
+  StringRef getAppleNamespacesSection() override { return AppleNamespacesSection; }
+  StringRef getAppleObjCSection() override { return AppleObjCSection; }
 
   // Sections for DWARF5 split dwarf proposal.
   const DWARFSection &getInfoDWOSection() override { return InfoDWOSection; }

Modified: llvm/trunk/test/DebugInfo/Inputs/gmlt.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Inputs/gmlt.ll?rev=221836&r1=221835&r2=221836&view=diff
==============================================================================
--- llvm/trunk/test/DebugInfo/Inputs/gmlt.ll (original)
+++ llvm/trunk/test/DebugInfo/Inputs/gmlt.ll Wed Nov 12 17:48:10 2014
@@ -95,6 +95,8 @@
 ; CHECK: .debug_pubtypes contents:
 ; CHECK-NOT: Offset
 
+; CHECK: .apple{{.*}} contents:
+
 ; Function Attrs: nounwind uwtable
 define void @_Z2f1v() #0 {
 entry:

Added: llvm/trunk/test/DebugInfo/dwarfdump-accel.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/dwarfdump-accel.test?rev=221836&view=auto
==============================================================================
--- llvm/trunk/test/DebugInfo/dwarfdump-accel.test (added)
+++ llvm/trunk/test/DebugInfo/dwarfdump-accel.test Wed Nov 12 17:48:10 2014
@@ -0,0 +1,154 @@
+RUN: llvm-dwarfdump %p/Inputs/dwarfdump-objc.x86_64.o | FileCheck %s
+
+CHECK: .apple_names contents:
+CHECK: Magic = 0x48415348
+CHECK: Version = 0x0001
+CHECK: Hash function = 0x00000000
+CHECK: Bucket count = 11
+CHECK: Hashes count = 22
+CHECK: HeaderData length = 12
+CHECK: DIE offset base = 0
+CHECK: Number of atoms = 1
+CHECK: Atom[0]  Type: DW_ATOM_die_offset Form: DW_FORM_data4
+CHECK: Bucket[0]
+CHECK:   Hash = 0x248050fe Offset = 0x000000fc
+CHECK:     Name: 00000165 "-[TestInterface Retain]"
+CHECK:     Data[0] => {Atom[0]: 0x0000024f} 
+CHECK: Bucket[1]
+CHECK:   Hash = 0x926d42cc Offset = 0x0000010c
+CHECK:     Name: 00000057 "ReadWrite"
+CHECK:     Data[0] => {Atom[0]: 0x000001cb} 
+CHECK: Bucket[2]
+CHECK:   EMPTY
+CHECK: Bucket[3]
+CHECK:   Hash = 0x99254268 Offset = 0x0000011c
+CHECK:     Name: 0000013f "-[TestInterface setReadWrite:]"
+CHECK:     Data[0] => {Atom[0]: 0x00000209} 
+CHECK:   Hash = 0x946f52b9 Offset = 0x0000012c
+CHECK:     Name: 000000c6 "-[TestInterface ReadOnly]"
+CHECK:     Data[0] => {Atom[0]: 0x00000109} 
+CHECK: Bucket[4]
+CHECK:   EMPTY
+CHECK: Bucket[5]
+CHECK:   EMPTY
+CHECK: Bucket[6]
+CHECK:   Hash = 0x6e8e91a3 Offset = 0x0000013c
+CHECK:     Name: 000001e0 "-[TestInterface NonAtomic]"
+CHECK:     Data[0] => {Atom[0]: 0x00000357} 
+CHECK:   Hash = 0x7d1a5012 Offset = 0x0000014c
+CHECK:     Name: 0000014d "setReadWrite:"
+CHECK:     Data[0] => {Atom[0]: 0x00000209} 
+CHECK:   Hash = 0xb65f49d3 Offset = 0x0000015c
+CHECK:     Name: 0000020d "setNonAtomic:"
+CHECK:     Data[0] => {Atom[0]: 0x00000395} 
+CHECK:   Hash = 0x354997e2 Offset = 0x0000016c
+CHECK:     Name: 00000120 "-[TestInterface ReadWrite]"
+CHECK:     Data[0] => {Atom[0]: 0x000001cb} 
+CHECK: Bucket[7]
+CHECK:   Hash = 0xce8af9c8 Offset = 0x0000017c
+CHECK:     Name: 0000005e "Retain"
+CHECK:     Data[0] => {Atom[0]: 0x0000024f} 
+CHECK:   Hash = 0xa7e0338a Offset = 0x0000018c
+CHECK:     Name: 0000004d "Assign"
+CHECK:     Data[0] => {Atom[0]: 0x00000147} 
+CHECK:   Hash = 0xa9812410 Offset = 0x0000019c
+CHECK:     Name: 00000105 "setAssign:"
+CHECK:     Data[0] => {Atom[0]: 0x00000185} 
+CHECK:   Hash = 0x218d07f6 Offset = 0x000001ac
+CHECK:     Name: 000001a2 "-[TestInterface Copy]"
+CHECK:     Data[0] => {Atom[0]: 0x000002d3} 
+CHECK:   Hash = 0x0456817c Offset = 0x000001bc
+CHECK:     Name: 000001bc "-[TestInterface setCopy:]"
+CHECK:     Data[0] => {Atom[0]: 0x00000311} 
+CHECK:   Hash = 0x7c83b400 Offset = 0x000001cc
+CHECK:     Name: 0000006c "Copy"
+CHECK:     Data[0] => {Atom[0]: 0x000002d3} 
+CHECK: Bucket[8]
+CHECK:   Hash = 0x0f918046 Offset = 0x000001dc
+CHECK:     Name: 000001c5 "setCopy:"
+CHECK:     Data[0] => {Atom[0]: 0x00000311} 
+CHECK:   Hash = 0xfb097449 Offset = 0x000001ec
+CHECK:     Name: 000001ff "-[TestInterface setNonAtomic:]"
+CHECK:     Data[0] => {Atom[0]: 0x00000395} 
+CHECK:   Hash = 0x71069de3 Offset = 0x000001fc
+CHECK:     Name: 00000042 "ReadOnly"
+CHECK:     Data[0] => {Atom[0]: 0x00000109} 
+CHECK: Bucket[9]
+CHECK:   Hash = 0xd55908c6 Offset = 0x0000020c
+CHECK:     Name: 000000fa "-[TestInterface setAssign:]"
+CHECK:     Data[0] => {Atom[0]: 0x00000185} 
+CHECK:   Hash = 0xa584b20e Offset = 0x0000021c
+CHECK:     Name: 0000018c "setRetain:"
+CHECK:     Data[0] => {Atom[0]: 0x0000028d} 
+CHECK:   Hash = 0x9429886d Offset = 0x0000022c
+CHECK:     Name: 00000076 "NonAtomic"
+CHECK:     Data[0] => {Atom[0]: 0x00000357} 
+CHECK:   Hash = 0x287cc300 Offset = 0x0000023c
+CHECK:     Name: 000000de "-[TestInterface Assign]"
+CHECK:     Data[0] => {Atom[0]: 0x00000147} 
+CHECK:   Hash = 0x51ce5684 Offset = 0x0000024c
+CHECK:     Name: 00000181 "-[TestInterface setRetain:]"
+CHECK:     Data[0] => {Atom[0]: 0x0000028d} 
+CHECK: Bucket[10]
+CHECK:   EMPTY
+
+
+CHECK: .apple_types contents:
+CHECK: Magic = 0x48415348
+CHECK: Version = 0x0001
+CHECK: Hash function = 0x00000000
+CHECK: Bucket count = 4
+CHECK: Hashes count = 4
+CHECK: HeaderData length = 20
+CHECK: DIE offset base = 0
+CHECK: Number of atoms = 3
+CHECK: Atom[0]  Type: DW_ATOM_die_offset Form: DW_FORM_data4
+CHECK: Atom[1]  Type: DW_ATOM_die_tag Form: DW_FORM_data2
+CHECK: Atom[2]  Type: DW_ATOM_type_flags Form: DW_FORM_data1
+CHECK: Bucket[0]
+CHECK:   Hash = 0x0b888030 Offset = 0x00000058
+CHECK:     Name: 00000046 "int"
+CHECK:     Data[0] => {Atom[0]: 0x000000f4} {Atom[1]: 0x0024} {Atom[2]: 0x00} 
+CHECK: Bucket[1]
+CHECK:   Hash = 0x0b881d29 Offset = 0x0000006b
+CHECK:     Name: 0000021b "SEL"
+CHECK:     Data[0] => {Atom[0]: 0x000003e0} {Atom[1]: 0x0016} {Atom[2]: 0x00} 
+CHECK:   Hash = 0x2c549f3d Offset = 0x0000007e
+CHECK:     Name: 00000067 "NSObject"
+CHECK:     Data[0] => {Atom[0]: 0x00000100} {Atom[1]: 0x0013} {Atom[2]: 0x00} 
+CHECK: Bucket[2]
+CHECK:   Hash = 0x16a83cb6 Offset = 0x00000091
+CHECK:     Name: 00000039 "TestInterface"
+CHECK:     Data[0] => {Atom[0]: 0x0000002f} {Atom[1]: 0x0013} {Atom[2]: 0x00} 
+CHECK: Bucket[3]
+CHECK:   EMPTY
+
+
+CHECK: .apple_namespaces contents:
+CHECK-NOT: Magic
+
+ 
+CHECK: .apple_objc contents:
+CHECK: Magic = 0x48415348
+CHECK: Version = 0x0001
+CHECK: Hash function = 0x00000000
+CHECK: Bucket count = 1
+CHECK: Hashes count = 1
+CHECK: HeaderData length = 12
+CHECK: DIE offset base = 0
+CHECK: Number of atoms = 1
+CHECK: Atom[0]  Type: DW_ATOM_die_offset Form: DW_FORM_data4
+CHECK: Bucket[0]
+CHECK:   Hash = 0x16a83cb6 Offset = 0x0000002c
+CHECK:     Name: 00000039 "TestInterface"
+CHECK:     Data[0] => {Atom[0]: 0x00000109} 
+CHECK:     Data[1] => {Atom[0]: 0x00000147} 
+CHECK:     Data[2] => {Atom[0]: 0x00000185} 
+CHECK:     Data[3] => {Atom[0]: 0x000001cb} 
+CHECK:     Data[4] => {Atom[0]: 0x00000209} 
+CHECK:     Data[5] => {Atom[0]: 0x0000024f} 
+CHECK:     Data[6] => {Atom[0]: 0x0000028d} 
+CHECK:     Data[7] => {Atom[0]: 0x000002d3} 
+CHECK:     Data[8] => {Atom[0]: 0x00000311} 
+CHECK:     Data[9] => {Atom[0]: 0x00000357} 
+CHECK:     Data[10] => {Atom[0]: 0x00000395} 
\ No newline at end of file

Modified: llvm/trunk/tools/llvm-dwarfdump/llvm-dwarfdump.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-dwarfdump/llvm-dwarfdump.cpp?rev=221836&r1=221835&r2=221836&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-dwarfdump/llvm-dwarfdump.cpp (original)
+++ llvm/trunk/tools/llvm-dwarfdump/llvm-dwarfdump.cpp Wed Nov 12 17:48:10 2014
@@ -45,6 +45,10 @@ DumpType("debug-dump", cl::init(DIDT_All
         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"),





More information about the llvm-commits mailing list