Vendor import of llvm trunk r241361:

https://llvm.org/svn/llvm-project/llvm/trunk@241361

1 files changed, 18 insertions, 16 deletions

diff --git a/tools/llvm-cxxdump/llvm-cxxdump.cpp b/tools/llvm-cxxdump/llvm-cxxdump.cpp
index ef42211..c627a66 100644
--- a/tools/llvm-cxxdump/llvm-cxxdump.cpp
+++ b/tools/llvm-cxxdump/llvm-cxxdump.cpp
@@ -16,6 +16,7 @@
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/Object/Archive.h"
 #include "llvm/Object/ObjectFile.h"
+#include "llvm/Object/SymbolSize.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/Endian.h"
 #include "llvm/Support/FileSystem.h"
@@ -96,14 +97,12 @@ static bool collectRelocatedSymbols(const ObjectFile *Obj,
       const object::symbol_iterator RelocSymI = Reloc.getSymbol();
       if (RelocSymI == Obj->symbol_end())
         continue;
-      StringRef RelocSymName;
-      if (error(RelocSymI->getName(RelocSymName)))
-        return true;
-      uint64_t Offset;
-      if (error(Reloc.getOffset(Offset)))
+      ErrorOr<StringRef> RelocSymName = RelocSymI->getName();
+      if (error(RelocSymName.getError()))
         return true;
+      uint64_t Offset = Reloc.getOffset();
       if (Offset >= SymOffset && Offset < SymEnd) {
-        *I = RelocSymName;
+        *I = *RelocSymName;
         ++I;
       }
     }
@@ -122,14 +121,12 @@ static bool collectRelocationOffsets(
       const object::symbol_iterator RelocSymI = Reloc.getSymbol();
       if (RelocSymI == Obj->symbol_end())
         continue;
-      StringRef RelocSymName;
-      if (error(RelocSymI->getName(RelocSymName)))
-        return true;
-      uint64_t Offset;
-      if (error(Reloc.getOffset(Offset)))
+      ErrorOr<StringRef> RelocSymName = RelocSymI->getName();
+      if (error(RelocSymName.getError()))
         return true;
+      uint64_t Offset = Reloc.getOffset();
       if (Offset >= SymOffset && Offset < SymEnd)
-        Collection[std::make_pair(SymName, Offset - SymOffset)] = RelocSymName;
+        Collection[std::make_pair(SymName, Offset - SymOffset)] = *RelocSymName;
     }
   }
   return false;
@@ -187,10 +184,16 @@ static void dumpCXXData(const ObjectFile *Obj) {
 
   uint8_t BytesInAddress = Obj->getBytesInAddress();
 
-  for (const object::SymbolRef &Sym : Obj->symbols()) {
-    StringRef SymName;
-    if (error(Sym.getName(SymName)))
+  std::vector<std::pair<SymbolRef, uint64_t>> SymAddr =
+      object::computeSymbolSizes(*Obj);
+
+  for (auto &P : SymAddr) {
+    object::SymbolRef Sym = P.first;
+    uint64_t SymSize = P.second;
+    ErrorOr<StringRef> SymNameOrErr = Sym.getName();
+    if (error(SymNameOrErr.getError()))
       return;
+    StringRef SymName = *SymNameOrErr;
     object::section_iterator SecI(Obj->section_begin());
     if (error(Sym.getSection(SecI)))
       return;
@@ -207,7 +210,6 @@ static void dumpCXXData(const ObjectFile *Obj) {
     uint64_t SymAddress;
     if (error(Sym.getAddress(SymAddress)))
       return;
-    uint64_t SymSize = Sym.getSize();
     uint64_t SecAddress = Sec.getAddress();
     uint64_t SecSize = Sec.getSize();
     uint64_t SymOffset = SymAddress - SecAddress;