Refactor compiled_method.h .

Move LinkerPatch to compiler/linker/linker_patch.h .
Move SrcMapElem to compiler/debug/src_map_elem.h .
Introduce compiled_method-inl.h to reduce the number
of `#include`s in compiled_method.h .

Test: m test-art-host-gtest
Test: testrunner.py --host
Change-Id: Id211cdf94a63ad265bf4709f1a5e06dffbe30f64
diff --git a/compiler/debug/elf_debug_line_writer.h b/compiler/debug/elf_debug_line_writer.h
index cf5d65e..49d52c4 100644
--- a/compiler/debug/elf_debug_line_writer.h
+++ b/compiler/debug/elf_debug_line_writer.h
@@ -20,10 +20,10 @@
 #include <unordered_set>
 #include <vector>
 
-#include "compiled_method.h"
 #include "debug/dwarf/debug_line_opcode_writer.h"
 #include "debug/dwarf/headers.h"
 #include "debug/elf_compilation_unit.h"
+#include "debug/src_map_elem.h"
 #include "dex_file-inl.h"
 #include "linker/elf_builder.h"
 #include "stack_map.h"
diff --git a/compiler/debug/method_debug_info.h b/compiler/debug/method_debug_info.h
index 5678910..a8225fa 100644
--- a/compiler/debug/method_debug_info.h
+++ b/compiler/debug/method_debug_info.h
@@ -19,7 +19,8 @@
 
 #include <string>
 
-#include "compiled_method.h"
+#include "arch/instruction_set.h"
+#include "base/array_ref.h"
 #include "dex_file.h"
 
 namespace art {
diff --git a/compiler/debug/src_map_elem.h b/compiler/debug/src_map_elem.h
new file mode 100644
index 0000000..5286b8c
--- /dev/null
+++ b/compiler/debug/src_map_elem.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_COMPILER_DEBUG_SRC_MAP_ELEM_H_
+#define ART_COMPILER_DEBUG_SRC_MAP_ELEM_H_
+
+#include <stdint.h>
+
+namespace art {
+
+class SrcMapElem {
+ public:
+  uint32_t from_;
+  int32_t to_;
+};
+
+inline bool operator<(const SrcMapElem& lhs, const SrcMapElem& rhs) {
+  if (lhs.from_ != rhs.from_) {
+    return lhs.from_ < rhs.from_;
+  }
+  return lhs.to_ < rhs.to_;
+}
+
+inline bool operator==(const SrcMapElem& lhs, const SrcMapElem& rhs) {
+  return lhs.from_ == rhs.from_ && lhs.to_ == rhs.to_;
+}
+
+}  // namespace art
+
+#endif  // ART_COMPILER_DEBUG_SRC_MAP_ELEM_H_
diff --git a/compiler/debug/src_map_elem_test.cc b/compiler/debug/src_map_elem_test.cc
new file mode 100644
index 0000000..ceaa53f
--- /dev/null
+++ b/compiler/debug/src_map_elem_test.cc
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gtest/gtest.h>
+
+#include "src_map_elem.h"
+
+#include "base/macros.h"
+
+namespace art {
+namespace debug {
+
+TEST(SrcMapElem, Operators) {
+  SrcMapElem elems[] = {
+      { 1u, -1 },
+      { 1u, 0 },
+      { 1u, 1 },
+      { 2u, -1 },
+      { 2u, 0 },    // Index 4.
+      { 2u, 1 },
+      { 2u, 0u },   // Index 6: Arbitrarily add identical SrcMapElem with index 4.
+  };
+
+  for (size_t i = 0; i != arraysize(elems); ++i) {
+    for (size_t j = 0; j != arraysize(elems); ++j) {
+      bool expected = (i != 6u ? i : 4u) == (j != 6u ? j : 4u);
+      EXPECT_EQ(expected, elems[i] == elems[j]) << i << " " << j;
+    }
+  }
+
+  for (size_t i = 0; i != arraysize(elems); ++i) {
+    for (size_t j = 0; j != arraysize(elems); ++j) {
+      bool expected = (i != 6u ? i : 4u) < (j != 6u ? j : 4u);
+      EXPECT_EQ(expected, elems[i] < elems[j]) << i << " " << j;
+    }
+  }
+}
+
+}  // namespace debug
+}  // namespace art