Reland "[llvm-readobj] Simplify usage of -codeview flag"

Relands r255790 with fixed tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@255793 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 16 insertions, 7 deletions

diff --git a/tools/llvm-readobj/COFFDumper.cpp b/tools/llvm-readobj/COFFDumper.cpp
index 5b4129a10c5..516d1cf8057 100644
--- a/tools/llvm-readobj/COFFDumper.cpp
+++ b/tools/llvm-readobj/COFFDumper.cpp
@@ -60,6 +60,7 @@ public:
   void printCOFFExports() override;
   void printCOFFDirectives() override;
   void printCOFFBaseReloc() override;
+  void printCodeViewDebugInfo() override;
   void printStackMap() const override;
 private:
   void printSymbol(const SymbolRef &Sym);
@@ -71,7 +72,7 @@ private:
   void printBaseOfDataField(const pe32_header *Hdr);
   void printBaseOfDataField(const pe32plus_header *Hdr);
 
-  void printCodeViewDebugInfo(const SectionRef &Section);
+  void printCodeViewSection(const SectionRef &Section);
 
   void printCodeViewSymbolsSubsection(StringRef Subsection,
                                       const SectionRef &Section,
@@ -474,7 +475,16 @@ void COFFDumper::printBaseOfDataField(const pe32_header *Hdr) {
 
 void COFFDumper::printBaseOfDataField(const pe32plus_header *) {}
 
-void COFFDumper::printCodeViewDebugInfo(const SectionRef &Section) {
+void COFFDumper::printCodeViewDebugInfo() {
+  for (const SectionRef &S : Obj->sections()) {
+    StringRef SecName;
+    error(S.getName(SecName));
+    if (SecName == ".debug$S")
+      printCodeViewSection(S);
+  }
+}
+
+void COFFDumper::printCodeViewSection(const SectionRef &Section) {
   StringRef Data;
   error(Section.getContents(Data));
 
@@ -516,8 +526,7 @@ void COFFDumper::printCodeViewDebugInfo(const SectionRef &Section) {
 
       switch (SubSectionType) {
       case COFF::DEBUG_SYMBOL_SUBSECTION:
-        if (opts::SectionSymbols)
-          printCodeViewSymbolsSubsection(Contents, Section, Offset);
+        printCodeViewSymbolsSubsection(Contents, Section, Offset);
         break;
       case COFF::DEBUG_LINE_TABLE_SUBSECTION: {
         // Holds a PC to file:line table.  Some data to parse this subsection is
@@ -777,9 +786,6 @@ void COFFDumper::printSections() {
       }
     }
 
-    if (Name == ".debug$S" && opts::CodeView)
-      printCodeViewDebugInfo(Sec);
-
     if (opts::SectionData &&
         !(Section->Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA)) {
       StringRef Data;
diff --git a/tools/llvm-readobj/ObjDumper.h b/tools/llvm-readobj/ObjDumper.h
index 2ca1300439e..db26d698355 100644
--- a/tools/llvm-readobj/ObjDumper.h
+++ b/tools/llvm-readobj/ObjDumper.h
@@ -56,6 +56,7 @@ public:
   virtual void printCOFFExports() { }
   virtual void printCOFFDirectives() { }
   virtual void printCOFFBaseReloc() { }
+  virtual void printCodeViewDebugInfo() { }
 
   // Only implemented for MachO.
   virtual void printMachODataInCode() { }
diff --git a/tools/llvm-readobj/llvm-readobj.cpp b/tools/llvm-readobj/llvm-readobj.cpp
index 2a75ababb2e..92ee299efce 100644
--- a/tools/llvm-readobj/llvm-readobj.cpp
+++ b/tools/llvm-readobj/llvm-readobj.cpp
@@ -354,6 +354,8 @@ static void dumpObject(const ObjectFile *Obj) {
       Dumper->printCOFFDirectives();
     if (opts::COFFBaseRelocs)
       Dumper->printCOFFBaseReloc();
+    if (opts::CodeView)
+      Dumper->printCodeViewDebugInfo();
   }
   if (Obj->isMachO()) {
     if (opts::MachODataInCode)