[llvm-readobj] Add -hex-dump (-x) option

Differential Revision: https://reviews.llvm.org/D48281

llvm-svn: 336782

1 files changed, 23 insertions, 0 deletions

diff --git a/llvm/tools/llvm-readobj/COFFDumper.cpp b/llvm/tools/llvm-readobj/COFFDumper.cpp
index 0ed4ccd09f6..c840d7efb84 100644
--- a/llvm/tools/llvm-readobj/COFFDumper.cpp
+++ b/llvm/tools/llvm-readobj/COFFDumper.cpp
@@ -83,6 +83,7 @@ public:
   void printSymbols() override;
   void printDynamicSymbols() override;
   void printUnwindInfo() override;
+  void printSectionAsHex(StringRef StringName) override;
 
   void printNeededLibraries() override;
 
@@ -654,6 +655,28 @@ void COFFDumper::printFileHeaders() {
     printDOSHeader(DH);
 }
 
+void COFFDumper::printSectionAsHex(StringRef SectionName) {
+  char *StrPtr;
+  long SectionIndex = strtol(SectionName.data(), &StrPtr, 10);
+  const coff_section *Sec;
+  if (*StrPtr)
+    error(Obj->getSection(SectionName, Sec));
+  else {
+    error(Obj->getSection((int)SectionIndex, Sec));
+    if (!Sec)
+      return error(object_error::parse_failed);
+  }
+
+  StringRef SecName;
+  error(Obj->getSectionName(Sec, SecName));
+
+  ArrayRef<uint8_t> Content;
+  error(Obj->getSectionContents(Sec, Content));
+  const uint8_t *SecContent = Content.data();
+
+  SectionHexDump(SecName, SecContent, Content.size());
+}
+
 void COFFDumper::printDOSHeader(const dos_header *DH) {
   DictScope D(W, "DOSHeader");
   W.printString("Magic", StringRef(DH->Magic, sizeof(DH->Magic)));