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

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

llvm-svn: 336782

2 files changed, 36 insertions, 0 deletions

diff --git a/llvm/lib/Object/COFFObjectFile.cpp b/llvm/lib/Object/COFFObjectFile.cpp
index e622c17ca3e..26194888ac0 100644
--- a/llvm/lib/Object/COFFObjectFile.cpp
+++ b/llvm/lib/Object/COFFObjectFile.cpp
@@ -979,6 +979,21 @@ std::error_code COFFObjectFile::getSection(int32_t Index,
   return object_error::parse_failed;
 }
 
+std::error_code COFFObjectFile::getSection(StringRef SectionName,
+                                           const coff_section *&Result) const {
+  Result = nullptr;
+  StringRef SecName;
+  for (const SectionRef &Section : sections()) {
+    if (std::error_code E = Section.getName(SecName))
+      return E;
+    if (SecName == SectionName) {
+      Result = getCOFFSection(Section);
+      return std::error_code();
+    }
+  }
+  return object_error::parse_failed;
+}
+
 std::error_code COFFObjectFile::getString(uint32_t Offset,
                                           StringRef &Result) const {
   if (StringTableSize <= 4)
diff --git a/llvm/lib/Object/MachOObjectFile.cpp b/llvm/lib/Object/MachOObjectFile.cpp
index 731ff4e01fd..e422903f280 100644
--- a/llvm/lib/Object/MachOObjectFile.cpp
+++ b/llvm/lib/Object/MachOObjectFile.cpp
@@ -1939,6 +1939,27 @@ uint64_t MachOObjectFile::getSectionAlignment(DataRefImpl Sec) const {
   return uint64_t(1) << Align;
 }
 
+Expected<SectionRef> MachOObjectFile::getSection(unsigned SectionIndex) const {
+  if (SectionIndex < 1 || SectionIndex > Sections.size())
+    return malformedError("bad section index: " + Twine((int)SectionIndex));
+
+  DataRefImpl DRI;
+  DRI.d.a = SectionIndex - 1;
+  return SectionRef(DRI, this);
+}
+
+Expected<SectionRef> MachOObjectFile::getSection(StringRef SectionName) const {
+  StringRef SecName;
+  for (const SectionRef &Section : sections()) {
+    if (std::error_code E = Section.getName(SecName))
+      return errorCodeToError(E);
+    if (SecName == SectionName) {
+      return Section;
+    }
+  }
+  return errorCodeToError(object_error::parse_failed);
+}
+
 bool MachOObjectFile::isSectionCompressed(DataRefImpl Sec) const {
   return false;
 }