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
add_llvm_library(LLVMDebugInfo
DIContext.cpp
DWARFAbbreviationDeclaration.cpp
+ DWARFAcceleratorTable.cpp
DWARFCompileUnit.cpp
DWARFContext.cpp
DWARFDebugAbbrev.cpp
--- /dev/null
+#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';
+ }
+ }
+ }
+ }
+}
+}
--- /dev/null
+
+#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);
+};
+
+}
#include "DWARFContext.h"
#include "DWARFDebugArangeSet.h"
+#include "DWARFAcceleratorTable.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringSwitch.h"
}
}
+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";
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() {
.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) {
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;
StringRef StringOffsetDWOSection;
StringRef RangeDWOSection;
StringRef AddrSection;
+ StringRef AppleNamesSection;
+ StringRef AppleTypesSection;
+ StringRef AppleNamespacesSection;
+ StringRef AppleObjCSection;
SmallVector<SmallString<32>, 4> UncompressedSections;
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; }
; CHECK: .debug_pubtypes contents:
; CHECK-NOT: Offset
+; CHECK: .apple{{.*}} contents:
+
; Function Attrs: nounwind uwtable
define void @_Z2f1v() #0 {
entry:
--- /dev/null
+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
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"),