Address review comments, remove error case and return 0 instead as required by tests

llvm-svn: 249785

llvm/include/llvm/Object/COFF.h

@@ -773,7 +773,7 @@ public:
   std::error_code getSectionContents(const coff_section *Sec,
                                      ArrayRef<uint8_t> &Res) const;
 
-  ErrorOr<uint64_t> getImageBase() const;
+  uint64_t getImageBase() const;
   std::error_code getVaPtr(uint64_t VA, uintptr_t &Res) const;
   std::error_code getRvaPtr(uint32_t Rva, uintptr_t &Res) const;
   std::error_code getHintName(uint32_t Rva, uint16_t &Hint,

llvm/lib/Object/COFFObjectFile.cpp

@@ -174,7 +174,7 @@ ErrorOr<uint64_t> COFFObjectFile::getSymbolAddress(DataRefImpl Ref) const {
 
   // The section VirtualAddress does not include ImageBase, and we want to
   // return virtual addresses.
-  Result += getImageBase().get();
+  Result += getImageBase();
 
   return Result;
 }
@@ -271,7 +271,7 @@ uint64_t COFFObjectFile::getSectionAddress(DataRefImpl Ref) const {
 
   // The section VirtualAddress does not include ImageBase, and we want to
   // return virtual addresses.
-  Result += getImageBase().get();
+  Result += getImageBase();
   return Result;
 }
 
@@ -418,17 +418,18 @@ std::error_code COFFObjectFile::initSymbolTablePtr() {
   return std::error_code();
 }
 
-ErrorOr<uint64_t> COFFObjectFile::getImageBase() const {
+uint64_t COFFObjectFile::getImageBase() const {
   if (PE32Header)
-    return uint64_t(PE32Header->ImageBase);
+    return PE32Header->ImageBase;
   else if (PE32PlusHeader)
-    return uint64_t(PE32PlusHeader->ImageBase);
-  return object_error::parse_failed;
+    return PE32PlusHeader->ImageBase;
+  // This actually comes up in practice.
+  return 0;
 }
 
 // Returns the file offset for the given VA.
 std::error_code COFFObjectFile::getVaPtr(uint64_t Addr, uintptr_t &Res) const {
-  uint64_t ImageBase = getImageBase().get();
+  uint64_t ImageBase = getImageBase();
   uint64_t Rva = Addr - ImageBase;
   assert(Rva <= UINT32_MAX);
   return getRvaPtr((uint32_t)Rva, Res);

llvm/test/tools/llvm-symbolizer/Inputs/coff-dwarf.input

@@ -1,2 +0,0 @@
-0x5009
-0x5038

llvm/test/tools/llvm-symbolizer/coff-dwarf.test

@@ -1,5 +1,9 @@
-RUN: llvm-symbolizer --inlining --relative-address -obj="%p/Inputs/coff-dwarf.exe" \
-RUN:	    < %p/Inputs/coff-dwarf.input | FileCheck %s
+RUN: grep '^ADDR:' %s | sed -s 's/ADDR: //' \
+RUN:     | llvm-symbolizer --inlining --relative-address -obj="%p/Inputs/coff-dwarf.exe" \
+RUN:     | FileCheck %s
+
+ADDR: 0x5009
+ADDR: 0x5038
 
 CHECK: foo(void)
 CHECK: coff-dwarf.cpp:7

llvm/test/tools/llvm-symbolizer/pdb/Inputs/test.exe.input

@@ -1,8 +0,0 @@
-0x401000
-0x401010
-0x401070
-0x401030
-0x401040
-0x401050
-0x401060
-0x500000

llvm/test/tools/llvm-symbolizer/pdb/pdb.test

@@ -1,18 +1,27 @@
-RUN: llvm-symbolizer -obj="%p/Inputs/test.exe" < "%p/Inputs/test.exe.input" | \
-RUN:    FileCheck %s --check-prefix=CHECK
-RUN: llvm-symbolizer -obj="%p/Inputs/test.exe" < "%p/Inputs/test.exe.input" | \
-RUN:    FileCheck %s --check-prefix=CHECK
-RUN: llvm-symbolizer -obj="%p/Inputs/test.exe" -demangle=false < \
-RUN:    "%p/Inputs/test.exe.input" | FileCheck %s --check-prefix=CHECK-NO-DEMANGLE
+RUN: grep '^ADDR:' %s | sed -s 's/ADDR: //' \
+RUN: 	| llvm-symbolizer -obj="%p/Inputs/test.exe" \
+RUN:    | FileCheck %s --check-prefix=CHECK
+RUN: grep '^ADDR:' %s | sed -s 's/ADDR: //' \
+RUN: 	| llvm-symbolizer -obj="%p/Inputs/test.exe" -demangle=false \
+RUN: 	| FileCheck %s --check-prefix=CHECK-NO-DEMANGLE
 
 Subtract ImageBase from all the offsets and run the test again with
 --relative-address.
 
-RUN: python -c 'import sys;print "\n".join([hex(int(x, 16) - 0x400000) for x in sys.stdin])' \
-RUN:	< %p/Inputs/test.exe.input \
+RUN: grep '^ADDR:' %s | sed -s 's/ADDR: //' \
+RUN: 	| python -c 'import sys;print "\n".join([hex(int(x, 16) - 0x400000) for x in sys.stdin])' \
 RUN:	| llvm-symbolizer -obj="%p/Inputs/test.exe" -demangle=false --relative-address \
 RUN:    | FileCheck %s --check-prefix=CHECK-NO-DEMANGLE
 
+ADDR: 0x401000
+ADDR: 0x401010
+ADDR: 0x401070
+ADDR: 0x401030
+ADDR: 0x401040
+ADDR: 0x401050
+ADDR: 0x401060
+ADDR: 0x500000
+
 CHECK: foo(void)
 CHECK-NEXT: test.cpp:10
 CHECK: main

llvm/tools/llvm-symbolizer/LLVMSymbolize.cpp

@@ -128,8 +128,7 @@ bool ModuleInfo::isWin32Module() const {
 
 uint64_t ModuleInfo::getModulePreferredBase() const {
   if (auto *CoffObject = dyn_cast<COFFObjectFile>(Module))
-    if (auto Base = CoffObject->getImageBase())
-      return Base.get();
+    return CoffObject->getImageBase();
   return 0;
 }