commit 404d3047c00e9a0e3fa53ccc2d24161e9a82d33b
author David Blaikie <dblaikie@gmail.com> Thu Sep 19 23:01:29 2013 +0000
committer David Blaikie <dblaikie@gmail.com> Thu Sep 19 23:01:29 2013 +0000
tree 545780e6bdb933a4de836bf0eab6d9aa2e945cbc
parent d09bb4614b81cb9969240f7db4b706dbd7f61ec6

DebugInfo: llvm-dwarfdump support for gnu_pubnames section

llvm-svn: 191050

llvm/lib/DebugInfo/DWARFContext.cpp

diff --git a/llvm/lib/DebugInfo/DWARFContext.cpp b/llvm/lib/DebugInfo/DWARFContext.cpp
index baf2bb5..c87855e 100644
--- a/llvm/lib/DebugInfo/DWARFContext.cpp
+++ b/llvm/lib/DebugInfo/DWARFContext.cpp
@@ -120,6 +120,27 @@
     }
   }
 
+  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))
+         << ' ' << dwarf::GDBIndexEntryKindString(desc.Kind) << ' '
+         << pubNames.getCStr(&offset) << "\n";
+    }
+  }
+
   if (DumpType == DIDT_All || DumpType == DIDT_AbbrevDwo) {
     const DWARFDebugAbbrev *D = getDebugAbbrevDWO();
     if (D) {
@@ -566,6 +587,7 @@
         .Case("debug_str", &StringSection)
         .Case("debug_ranges", &RangeSection)
         .Case("debug_pubnames", &PubNamesSection)
+        .Case("debug_gnu_pubnames", &GnuPubNamesSection)
         .Case("debug_info.dwo", &InfoDWOSection)
         .Case("debug_abbrev.dwo", &AbbrevDWOSection)
         .Case("debug_str.dwo", &StringDWOSection)

llvm/lib/DebugInfo/DWARFContext.h

diff --git a/llvm/lib/DebugInfo/DWARFContext.h b/llvm/lib/DebugInfo/DWARFContext.h
index c491b4c..e4b640e4c 100644
--- a/llvm/lib/DebugInfo/DWARFContext.h
+++ b/llvm/lib/DebugInfo/DWARFContext.h
@@ -125,6 +125,7 @@
   virtual StringRef getStringSection() = 0;
   virtual StringRef getRangeSection() = 0;
   virtual StringRef getPubNamesSection() = 0;
+  virtual StringRef getGnuPubNamesSection() = 0;
 
   // Sections for DWARF5 split dwarf proposal.
   virtual StringRef getInfoDWOSection() = 0;
@@ -166,6 +167,7 @@
   StringRef StringSection;
   StringRef RangeSection;
   StringRef PubNamesSection;
+  StringRef GnuPubNamesSection;
 
   // Sections for DWARF5 split dwarf proposal.
   RelocAddrMap InfoDWORelocMap;
@@ -195,6 +197,7 @@
   virtual StringRef getStringSection() { return StringSection; }
   virtual StringRef getRangeSection() { return RangeSection; }
   virtual StringRef getPubNamesSection() { return PubNamesSection; }
+  virtual StringRef getGnuPubNamesSection() { return GnuPubNamesSection; }
 
   // Sections for DWARF5 split dwarf proposal.
   virtual StringRef getInfoDWOSection() { return InfoDWOSection; }