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llvm-dwarfdump support for gnu_pubtypes 

llvm-svn: 191329
This commit is contained in:
David Blaikie 2013-09-24 19:50:00 +00:00
parent 4f3f5ade54
commit ecd21fff61
4 changed files with 49 additions and 23 deletions
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1
llvm/include/llvm/DebugInfo/DIContext.h
View File

@ -110,6 +110,7 @@ enum DIDumpType {
DIDT_Ranges,
DIDT_Pubnames,
DIDT_GnuPubnames,
DIDT_GnuPubtypes,
DIDT_Str,
DIDT_StrDwo,
DIDT_StrOffsetsDwo

50
llvm/lib/DebugInfo/DWARFContext.cpp
View File

@ -28,6 +28,28 @@ DWARFContext::~DWARFContext() {
DeleteContainerPointers(DWOCUs);
}
static void dumpPubSection(raw_ostream &OS, StringRef Name, StringRef Data,
bool LittleEndian) {
OS << "\n." << Name << " contents:\n";
DataExtractor pubNames(Data, LittleEndian, 0);
uint32_t offset = 0;
OS << "Length: " << pubNames.getU32(&offset) << "\n";
OS << "Version: " << pubNames.getU16(&offset) << "\n";
OS << "Offset in .debug_info: " << pubNames.getU32(&offset) << "\n";
OS << "Size: " << pubNames.getU32(&offset) << "\n";
OS << "Offset Linkage Kind Name\n";
while (offset < Data.size()) {
uint32_t dieRef = pubNames.getU32(&offset);
if (dieRef == 0)
break;
PubIndexEntryDescriptor desc(pubNames.getU8(&offset));
OS << format("0x%8.8x ", dieRef)
<< format("%-8s", dwarf::GDBIndexEntryLinkageString(desc.Linkage)) << ' '
<< dwarf::GDBIndexEntryKindString(desc.Kind) << " \""
<< pubNames.getCStr(&offset) << "\"\n";
}
}
void DWARFContext::dump(raw_ostream &OS, DIDumpType DumpType) {
if (DumpType == DIDT_All || DumpType == DIDT_Abbrev) {
OS << ".debug_abbrev contents:\n";
@ -126,26 +148,13 @@ void DWARFContext::dump(raw_ostream &OS, DIDumpType DumpType) {
}
}
if (DumpType == DIDT_All || DumpType == DIDT_GnuPubnames) {
OS << "\n.debug_gnu_pubnames contents:\n";
DataExtractor pubNames(getGnuPubNamesSection(), isLittleEndian(), 0);
offset = 0;
OS << "Length: " << pubNames.getU32(&offset) << "\n";
OS << "Version: " << pubNames.getU16(&offset) << "\n";
OS << "Offset in .debug_info: " << pubNames.getU32(&offset) << "\n";
OS << "Size: " << pubNames.getU32(&offset) << "\n";
OS << "Offset Linkage Kind Name\n";
while (offset < getGnuPubNamesSection().size()) {
uint32_t dieRef = pubNames.getU32(&offset);
if (dieRef == 0)
break;
PubIndexEntryDescriptor desc(pubNames.getU8(&offset));
OS << format("0x%8.8x ", dieRef)
<< format("%-8s", dwarf::GDBIndexEntryLinkageString(desc.Linkage))
<< ' ' << format("%-8s", dwarf::GDBIndexEntryKindString(desc.Kind))
<< " \"" << pubNames.getCStr(&offset) << "\"\n";
}
}
if (DumpType == DIDT_All || DumpType == DIDT_GnuPubnames)
dumpPubSection(OS, "debug_gnu_pubnames", getGnuPubNamesSection(),
isLittleEndian());
if (DumpType == DIDT_All || DumpType == DIDT_GnuPubtypes)
dumpPubSection(OS, "debug_gnu_pubtypes", getGnuPubTypesSection(),
isLittleEndian());
if (DumpType == DIDT_All || DumpType == DIDT_AbbrevDwo) {
const DWARFDebugAbbrev *D = getDebugAbbrevDWO();
@ -612,6 +621,7 @@ DWARFContextInMemory::DWARFContextInMemory(object::ObjectFile *Obj) :
.Case("debug_ranges", &RangeSection)
.Case("debug_pubnames", &PubNamesSection)
.Case("debug_gnu_pubnames", &GnuPubNamesSection)
.Case("debug_gnu_pubtypes", &GnuPubTypesSection)
.Case("debug_info.dwo", &InfoDWOSection.Data)
.Case("debug_abbrev.dwo", &AbbrevDWOSection)
.Case("debug_str.dwo", &StringDWOSection)

3
llvm/lib/DebugInfo/DWARFContext.h
View File

@ -148,6 +148,7 @@ public:
virtual StringRef getRangeSection() = 0;
virtual StringRef getPubNamesSection() = 0;
virtual StringRef getGnuPubNamesSection() = 0;
virtual StringRef getGnuPubTypesSection() = 0;
// Sections for DWARF5 split dwarf proposal.
virtual const Section &getInfoDWOSection() = 0;
@ -187,6 +188,7 @@ class DWARFContextInMemory : public DWARFContext {
StringRef RangeSection;
StringRef PubNamesSection;
StringRef GnuPubNamesSection;
StringRef GnuPubTypesSection;
// Sections for DWARF5 split dwarf proposal.
Section InfoDWOSection;
@ -216,6 +218,7 @@ public:
virtual StringRef getRangeSection() { return RangeSection; }
virtual StringRef getPubNamesSection() { return PubNamesSection; }
virtual StringRef getGnuPubNamesSection() { return GnuPubNamesSection; }
virtual StringRef getGnuPubTypesSection() { return GnuPubTypesSection; }
// Sections for DWARF5 split dwarf proposal.
virtual const Section &getInfoDWOSection() { return InfoDWOSection; }

18
llvm/test/DebugInfo/X86/gnu-public-names.ll
View File

@ -35,14 +35,17 @@
; ASM: .section .debug_gnu_pubnames
; ASM: .byte 32 # Kind: VARIABLE, EXTERNAL
; ASM-NEXT: .asciz "global_namespace_variable" # External Name
; ASM: .section .debug_gnu_pubtypes
; ASM: .byte 16 # Kind: TYPE, EXTERNAL
; ASM: .asciz "C" # External Name
; ASM: .byte 144 # Kind: TYPE, STATIC
; ASM: .asciz "int" # External Name
; ASM-NEXT: .asciz "C" # External Name
; CHECK: .debug_info contents:
; CHECK: 0x00000026: DW_TAG_base_type
; CHECK-NEXT: DW_AT_name {{.*}} "int"
; CHECK: 0x00000032: DW_TAG_structure_type
; CHECK-NEXT: DW_AT_name {{.*}} "C"
; CHECK: 0x00000046: DW_TAG_subprogram
; CHECK-NEXT: DW_AT_MIPS_linkage_name
; CHECK-NEXT: DW_AT_name {{.*}} "member_function"
@ -78,6 +81,15 @@
; CHECK-DAG: 0x00000101 EXTERNAL FUNCTION "global_function"
; CHECK-DAG: 0x000000c2 STATIC FUNCTION "member_function"
; CHECK-LABEL: debug_gnu_pubtypes contents:
; CHECK-NEXT: Length:
; CHECK-NEXT: Version:
; CHECK-NEXT: Offset in .debug_info:
; CHECK-NEXT: Size:
; CHECK-NEXT: Offset Linkage Kind Name
; CHECK-DAG: 0x00000032 EXTERNAL TYPE "C"
; CHECK-DAG: 0x00000026 STATIC TYPE "int"
%struct.C = type { i8 }
@_ZN1C22static_member_variableE = global i32 0, align 4