Implement method calls using relative BL on ARM.

Store the linker patches with each CompiledMethod instead of
keeping them in CompilerDriver. Reorganize oat file creation
to apply the patches as we're writing the method code. Add
framework for platform-specific relative call patches in the
OatWriter. Implement relative call patches for ARM.

Change-Id: Ie2effb3d92b61ac8f356140eba09dc37d62290f8

1 files changed, 14 insertions, 3 deletions

diff --git a/compiler/utils/array_ref.h b/compiler/utils/array_ref.h
index 2d70b7dd31..e6b4a6a47c 100644
--- a/compiler/utils/array_ref.h
+++ b/compiler/utils/array_ref.h
@@ -82,12 +82,13 @@ class ArrayRef {
       : array_(array), size_(size) {
   }
 
-  explicit ArrayRef(std::vector<T>& v)
+  template <typename Alloc>
+  explicit ArrayRef(std::vector<T, Alloc>& v)
       : array_(v.data()), size_(v.size()) {
   }
 
-  template <typename U>
-  ArrayRef(const std::vector<U>& v,
+  template <typename U, typename Alloc>
+  ArrayRef(const std::vector<U, Alloc>& v,
            typename std::enable_if<std::is_same<T, const U>::value, tag>::tag t = tag())
       : array_(v.data()), size_(v.size()) {
   }
@@ -167,6 +168,16 @@ class ArrayRef {
   size_t size_;
 };
 
+template <typename T>
+bool operator==(const ArrayRef<T>& lhs, const ArrayRef<T>& rhs) {
+  return lhs.size() == rhs.size() && std::equal(lhs.begin(), lhs.end(), rhs.begin());
+}
+
+template <typename T>
+bool operator!=(const ArrayRef<T>& lhs, const ArrayRef<T>& rhs) {
+  return !(lhs == rhs);
+}
+
 }  // namespace art