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-rw-r--r--llvm/lib/Target/BPF/BTFDebug.cpp9
1 files changed, 6 insertions, 3 deletions
diff --git a/llvm/lib/Target/BPF/BTFDebug.cpp b/llvm/lib/Target/BPF/BTFDebug.cpp
index 9dce734ea08..bdc7ce71a88 100644
--- a/llvm/lib/Target/BPF/BTFDebug.cpp
+++ b/llvm/lib/Target/BPF/BTFDebug.cpp
@@ -1065,6 +1065,10 @@ void BTFDebug::processGlobals(bool ProcessingMapDef) {
SecName = ".rodata";
else
SecName = Global.getInitializer()->isZeroValue() ? ".bss" : ".data";
+ } else {
+ // extern variables without explicit section,
+ // put them into ".extern" section.
+ SecName = ".extern";
}
if (ProcessingMapDef != SecName.startswith(".maps"))
@@ -1113,8 +1117,7 @@ void BTFDebug::processGlobals(bool ProcessingMapDef) {
std::make_unique<BTFKindVar>(Global.getName(), GVTypeId, GVarInfo);
uint32_t VarId = addType(std::move(VarEntry));
- if (SecName.empty())
- continue;
+ assert(!SecName.empty());
// Find or create a DataSec
if (DataSecEntries.find(SecName) == DataSecEntries.end()) {
@@ -1167,7 +1170,7 @@ void BTFDebug::processFuncPrototypes() {
StringRef SecName = F.getSection();
if (SecName.empty())
- continue;
+ SecName = ".extern";
if (DataSecEntries.find(SecName) == DataSecEntries.end()) {
DataSecEntries[SecName] = std::make_unique<BTFKindDataSec>(Asm, SecName);
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