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[lldb][DWARF] Don't try to compute address range information of forward declarations #144059

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Merged
merged 3 commits into from
Jun 13, 2025
Merged

[lldb][DWARF] Don't try to compute address range information of forward declarations #144059

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cdb3a8b
[lldb][DWARF] Don't try to compute address range information of forwa…
Michael137 Jun 13, 2025
939fe5a
fixup! add comment
Michael137 Jun 13, 2025
9856f35
fixup! remove test
Michael137 Jun 13, 2025
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6 changes: 5 additions & 1 deletion lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugInfoEntry.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -611,7 +611,11 @@ void DWARFDebugInfoEntry::BuildFunctionAddressRangeTable(
DWARFUnit *cu, DWARFDebugAranges *debug_aranges) const {
Log *log = GetLog(DWARFLog::DebugInfo);
if (m_tag) {
if (m_tag == DW_TAG_subprogram) {
// Subprogram forward declarations don't have
// DW_AT_ranges/DW_AT_low_pc/DW_AT_high_pc attributes, so don't even try
// getting address range information for them.
if (m_tag == DW_TAG_subprogram &&
!GetAttributeValueAsOptionalUnsigned(cu, DW_AT_declaration)) {
if (llvm::Expected<llvm::DWARFAddressRangesVector> ranges =
GetAttributeAddressRanges(cu, /*check_hi_lo_pc=*/true)) {
for (const auto &r : *ranges)
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