[PATCH] libObject: add a function to get pointers to relocation table entries

[Rui Ueyama]

Hi majnemer,

I need this function for LLD.

http://reviews.llvm.org/D10718

Files:
  include/llvm/Object/COFF.h
  lib/Object/COFFObjectFile.cpp

Index: include/llvm/Object/COFF.h
===================================================================
--- include/llvm/Object/COFF.h
+++ include/llvm/Object/COFF.h
@@ -757,6 +757,9 @@
     llvm_unreachable("null symbol table pointer!");
   }
 
+  iterator_range<const coff_relocation *>
+  getRelocations(const coff_section *Sec) const;
+
   std::error_code getSectionName(const coff_section *Sec, StringRef &Res) const;
   uint64_t getSectionSize(const coff_section *Sec) const;
   std::error_code getSectionContents(const coff_section *Sec,
Index: lib/Object/COFFObjectFile.cpp
===================================================================
--- lib/Object/COFFObjectFile.cpp
+++ lib/Object/COFFObjectFile.cpp
@@ -16,6 +16,7 @@
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/ADT/Triple.h"
+#include "llvm/ADT/iterator_range.h"
 #include "llvm/Support/COFF.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
@@ -1029,6 +1030,15 @@
   return toRel(Reloc.getRawDataRefImpl());
 }
 
+iterator_range<const coff_relocation *>
+COFFObjectFile::getRelocations(const coff_section *Sec) const {
+  const coff_relocation *I = getFirstReloc(Sec, Data, base());
+  const coff_relocation *E = I;
+  if (I)
+    E += getNumberOfRelocations(Sec, Data, base());
+  return make_range(I, E);
+}
+
 #define LLVM_COFF_SWITCH_RELOC_TYPE_NAME(reloc_type)                           \
   case COFF::reloc_type:                                                       \
     Res = #reloc_type;                                                         \

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