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

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

llvm-svn: 336782

1 files changed, 21 insertions, 0 deletions

diff --git a/llvm/tools/llvm-readobj/MachODumper.cpp b/llvm/tools/llvm-readobj/MachODumper.cpp
index 69ef1556f78..c97f598bdd7 100644
--- a/llvm/tools/llvm-readobj/MachODumper.cpp
+++ b/llvm/tools/llvm-readobj/MachODumper.cpp
@@ -38,6 +38,7 @@ public:
   void printDynamicSymbols() override;
   void printUnwindInfo() override;
   void printStackMap() const override;
+  void printSectionAsHex(StringRef SectionName) override;
 
   void printNeededLibraries() override;
 
@@ -676,6 +677,26 @@ void MachODumper::printStackMap() const {
                         StackMapV2Parser<support::big>(StackMapContentsArray));
 }
 
+void MachODumper::printSectionAsHex(StringRef SectionName) {
+  char *StrPtr;
+  long SectionIndex = strtol(SectionName.data(), &StrPtr, 10);
+  SectionRef SecTmp;
+  const SectionRef *Sec = &SecTmp;
+  if (*StrPtr)
+    SecTmp = unwrapOrError(Obj->getSection(SectionName));
+  else
+    SecTmp = unwrapOrError(Obj->getSection((unsigned int)SectionIndex));
+
+  StringRef SecName;
+  error(Sec->getName(SecName));
+
+  StringRef Data;
+  error(Sec->getContents(Data));
+  const uint8_t *SecContent = reinterpret_cast<const uint8_t *>(Data.data());
+
+  SectionHexDump(SecName, SecContent, Data.size());
+}
+
 void MachODumper::printNeededLibraries() {
   ListScope D(W, "NeededLibraries");