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dwarfdump: support indexed string dumping in dwp based on the STR_OFFSETS component of the index 

llvm-svn: 253392
This commit is contained in:
David Blaikie 2015-11-17 22:39:23 +00:00
parent 8483df6e24
commit 35c2eebfe4
2 changed files with 6 additions and 3 deletions
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6
llvm/lib/DebugInfo/DWARF/DWARFUnit.cpp
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@ -37,7 +37,11 @@ DWARFUnit::DWARFUnit(DWARFContext &DC, const DWARFSection &Section,
const DWARFUnitSectionBase &UnitSection, const DWARFUnitSectionBase &UnitSection,
const DWARFUnitIndex::Entry *IndexEntry) const DWARFUnitIndex::Entry *IndexEntry)
: Context(DC), InfoSection(Section), Abbrev(DA), RangeSection(RS), : Context(DC), InfoSection(Section), Abbrev(DA), RangeSection(RS),
LineSection(LS), StringSection(SS), StringOffsetSection(SOS), LineSection(LS), StringSection(SS), StringOffsetSection([&]() {
if (const auto *C = IndexEntry->getOffset(DW_SECT_STR_OFFSETS))
return SOS.slice(C->Offset, C->Offset + C->Length);
return SOS;
}()),
AddrOffsetSection(AOS), isLittleEndian(LE), UnitSection(UnitSection), AddrOffsetSection(AOS), isLittleEndian(LE), UnitSection(UnitSection),
IndexEntry(IndexEntry) { IndexEntry(IndexEntry) {
clear(); clear();

3
llvm/test/DebugInfo/dwarfdump-dwp.test
View File

@ -17,8 +17,7 @@ RUN: llvm-dwarfdump %p/Inputs/dwarfdump-dwp.x86_64.o | FileCheck %s
; CHECK-SAME: abbr_offset = 0x0043 ; CHECK-SAME: abbr_offset = 0x0043
; CHECK: DW_TAG_compile_unit ; CHECK: DW_TAG_compile_unit
; CHECK-NOT: DW_TAG ; CHECK-NOT: DW_TAG
; FIXME: Implement str_offsets support so we find b.cpp here \/ ; CHECK: DW_AT_name {{.*}} "b.cpp"
; CHECK: DW_AT_name {{.*}} "a.cpp"
; Verify that abbreviations are decoded using the abbrev offset in the index ; Verify that abbreviations are decoded using the abbrev offset in the index
; CHECK: DW_TAG_structure_type ; CHECK: DW_TAG_structure_type