Split address information for DWARF5 split dwarf proposal. This involves

using the DW_FORM_GNU_addr_index and a separate .debug_addr section which
stays in the executable and is fully linked.

Sneak in two other small changes:

a) Print out the debug_str_offsets.dwo section.
b) Change form we're expecting the entries in the debug_str_offsets.dwo
   section to take from ULEB128 to U32.

Add tests for all of this in the fission-cu.ll test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172578 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/DebugInfo/DWARFContext.h b/lib/DebugInfo/DWARFContext.h
index 687ff93b07..7da5c85cd3 100644
--- a/lib/DebugInfo/DWARFContext.h
+++ b/lib/DebugInfo/DWARFContext.h
@@ -108,6 +108,7 @@ public:
   virtual StringRef getStringDWOSection() = 0;
   virtual StringRef getStringOffsetDWOSection() = 0;
   virtual StringRef getRangeDWOSection() = 0;
+  virtual StringRef getAddrSection() = 0;
   virtual const RelocAddrMap &infoDWORelocMap() const = 0;
 
   static bool isSupportedVersion(unsigned version) {
@@ -143,6 +144,7 @@ class DWARFContextInMemory : public DWARFContext {
   StringRef StringDWOSection;
   StringRef StringOffsetDWOSection;
   StringRef RangeDWOSection;
+  StringRef AddrSection;
 
 public:
   DWARFContextInMemory(object::ObjectFile *);
@@ -163,6 +165,9 @@ public:
     return StringOffsetDWOSection;
   }
   virtual StringRef getRangeDWOSection() { return RangeDWOSection; }
+  virtual StringRef getAddrSection() {
+    return AddrSection;
+  }
   virtual const RelocAddrMap &infoDWORelocMap() const {
     return InfoDWORelocMap;
   }