Normalize the include guard style.

An leading underscore followed by a capital letter is a reserved
name space in C and C++.

This change also moves any #include directives within the include
guard in some of the compiler/codegen/arm header files.

Change-Id: I9715e2c5301699d31886e61d0fe6e29483555a2a
diff --git a/vm/compiler/codegen/CompilerCodegen.h b/vm/compiler/codegen/CompilerCodegen.h
index 2e3b107..6495d07 100644
--- a/vm/compiler/codegen/CompilerCodegen.h
+++ b/vm/compiler/codegen/CompilerCodegen.h
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef _DALVIK_VM_COMPILERCODEGEN_H_
-#define _DALVIK_VM_COMPILERCODEGEN_H_
+#ifndef DALVIK_VM_COMPILERCODEGEN_H_
+#define DALVIK_VM_COMPILERCODEGEN_H_
 
 #include "compiler/CompilerIR.h"
 
@@ -71,4 +71,4 @@
 /* Implemented in codegen/<target>/<target_variant>/ArchVariant.c */
 void dvmCompilerGenMemBarrier(CompilationUnit *cUnit, int barrierKind);
 
-#endif /* _DALVIK_VM_COMPILERCODEGEN_H_ */
+#endif  // DALVIK_VM_COMPILERCODEGEN_H_
diff --git a/vm/compiler/codegen/Optimizer.h b/vm/compiler/codegen/Optimizer.h
index dd8e788..43d98ed 100644
--- a/vm/compiler/codegen/Optimizer.h
+++ b/vm/compiler/codegen/Optimizer.h
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef _DALVIK_VM_COMPILER_OPTIMIZATION_H
-#define _DALVIK_VM_COMPILER_OPTIMIZATION_H
+#ifndef DALVIK_VM_COMPILER_OPTIMIZATION_H_
+#define DALVIK_VM_COMPILER_OPTIMIZATION_H_
 
 #include "Dalvik.h"
 
@@ -42,4 +42,4 @@
 
 void dvmCompilerApplyGlobalOptimizations(struct CompilationUnit *cUnit);
 
-#endif /* _DALVIK_VM_COMPILER_OPTIMIZATION_H */
+#endif  // DALVIK_VM_COMPILER_OPTIMIZATION_H_
diff --git a/vm/compiler/codegen/arm/ArmLIR.h b/vm/compiler/codegen/arm/ArmLIR.h
index 46316ff..cbd4c70 100644
--- a/vm/compiler/codegen/arm/ArmLIR.h
+++ b/vm/compiler/codegen/arm/ArmLIR.h
@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
+#ifndef DALVIK_VM_COMPILER_CODEGEN_ARM_ARMLIR_H_
+#define DALVIK_VM_COMPILER_CODEGEN_ARM_ARMLIR_H_
+
 #include "Dalvik.h"
 #include "compiler/CompilerInternals.h"
 
-#ifndef _DALVIK_VM_COMPILER_CODEGEN_ARM_ARMLIR_H
-#define _DALVIK_VM_COMPILER_CODEGEN_ARM_ARMLIR_H
-
 /*
  * r0, r1, r2, r3 are always scratch
  * r4 (rPC) is scratch for Jit, but most be restored when resuming interp
@@ -792,4 +792,4 @@
 #define CHAIN_CELL_NORMAL_SIZE 12
 #define CHAIN_CELL_PREDICTED_SIZE 16
 
-#endif /* _DALVIK_VM_COMPILER_CODEGEN_ARM_ARMLIR_H */
+#endif  // DALVIK_VM_COMPILER_CODEGEN_ARM_ARMLIR_H_
diff --git a/vm/compiler/codegen/arm/CalloutHelper.h b/vm/compiler/codegen/arm/CalloutHelper.h
index 2660108..cc4c0ae 100644
--- a/vm/compiler/codegen/arm/CalloutHelper.h
+++ b/vm/compiler/codegen/arm/CalloutHelper.h
@@ -14,10 +14,10 @@
  * limitations under the License.
  */
 
-#include "Dalvik.h"
+#ifndef DALVIK_VM_COMPILER_CODEGEN_ARM_CALLOUT_HELPER_H_
+#define DALVIK_VM_COMPILER_CODEGEN_ARM_CALLOUT_HELPER_H_
 
-#ifndef _DALVIK_VM_COMPILER_CODEGEN_ARM_CALLOUT_HELPER_H
-#define _DALVIK_VM_COMPILER_CODEGEN_ARM_CALLOUT_HELPER_H
+#include "Dalvik.h"
 
 /*
  * Declare/comment prototypes of all native callout functions invoked by the
@@ -121,4 +121,4 @@
  *      dvmLockObject           // MONITOR_ENTER
  */
 
-#endif /* _DALVIK_VM_COMPILER_CODEGEN_ARM_CALLOUT_HELPER_H */
+#endif  // DALVIK_VM_COMPILER_CODEGEN_ARM_CALLOUT_HELPER_H_
diff --git a/vm/compiler/codegen/arm/armv5te-vfp/ArchVariant.h b/vm/compiler/codegen/arm/armv5te-vfp/ArchVariant.h
index 452f2a5..727c521 100644
--- a/vm/compiler/codegen/arm/armv5te-vfp/ArchVariant.h
+++ b/vm/compiler/codegen/arm/armv5te-vfp/ArchVariant.h
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef _DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV5TE_VFP_ARCHVARIANT_H
-#define _DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV5TE_VFP_ARCHVARIANT_H
+#ifndef DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV5TE_VFP_ARCHVARIANT_H_
+#define DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV5TE_VFP_ARCHVARIANT_H_
 
 /* Create the TemplateOpcode enum */
 #define JIT_TEMPLATE(X) TEMPLATE_##X,
@@ -31,4 +31,4 @@
 };
 #undef JIT_TEMPLATE
 
-#endif /* _DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV5TE_VFP_ARCHVARIANT_H */
+#endif  // DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV5TE_VFP_ARCHVARIANT_H_
diff --git a/vm/compiler/codegen/arm/armv5te/ArchVariant.h b/vm/compiler/codegen/arm/armv5te/ArchVariant.h
index 07a1c8c..39a9548 100644
--- a/vm/compiler/codegen/arm/armv5te/ArchVariant.h
+++ b/vm/compiler/codegen/arm/armv5te/ArchVariant.h
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef _DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV5TE_ARCHVARIANT_H
-#define _DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV5TE_ARCHVARIANT_H
+#ifndef DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV5TE_ARCHVARIANT_H_
+#define DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV5TE_ARCHVARIANT_H_
 
 /* Create the TemplateOpcode enum */
 #define JIT_TEMPLATE(X) TEMPLATE_##X,
@@ -31,4 +31,4 @@
 };
 #undef JIT_TEMPLATE
 
-#endif /* _DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV5TE_ARCHVARIANT_H */
+#endif  // DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV5TE_ARCHVARIANT_H_
diff --git a/vm/compiler/codegen/arm/armv7-a-neon/ArchVariant.h b/vm/compiler/codegen/arm/armv7-a-neon/ArchVariant.h
index fa01210..33e262c 100644
--- a/vm/compiler/codegen/arm/armv7-a-neon/ArchVariant.h
+++ b/vm/compiler/codegen/arm/armv7-a-neon/ArchVariant.h
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef _DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV5TE_VFP_ARCHVARIANT_H
-#define _DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV5TE_VFP_ARCHVARIANT_H
+#ifndef DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV5TE_VFP_ARCHVARIANT_H_
+#define DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV5TE_VFP_ARCHVARIANT_H_
 
 /* Create the TemplateOpcode enum */
 #define JIT_TEMPLATE(X) TEMPLATE_##X,
@@ -31,4 +31,4 @@
 } TemplateOpcode;
 #undef JIT_TEMPLATE
 
-#endif /* _DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV5TE_VFP_ARCHVARIANT_H */
+#endif  // DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV5TE_VFP_ARCHVARIANT_H_
diff --git a/vm/compiler/codegen/arm/armv7-a/ArchVariant.h b/vm/compiler/codegen/arm/armv7-a/ArchVariant.h
index 66e236b..b4f4eb7 100644
--- a/vm/compiler/codegen/arm/armv7-a/ArchVariant.h
+++ b/vm/compiler/codegen/arm/armv7-a/ArchVariant.h
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef _DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV7_A_ARCHVARIANT_H
-#define _DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV7_A_ARCHVARIANT_H
+#ifndef DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV7_A_ARCHVARIANT_H_
+#define DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV7_A_ARCHVARIANT_H_
 
 /* Create the TemplateOpcode enum */
 #define JIT_TEMPLATE(X) TEMPLATE_##X,
@@ -31,4 +31,4 @@
 };
 #undef JIT_TEMPLATE
 
-#endif /* _DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV7_A_ARCHVARIANT_H */
+#endif  // DALVIK_VM_COMPILER_CODEGEN_ARM_ARMV7_A_ARCHVARIANT_H_
diff --git a/vm/compiler/codegen/x86/CalloutHelper.h b/vm/compiler/codegen/x86/CalloutHelper.h
index 52c030f..3490f04 100644
--- a/vm/compiler/codegen/x86/CalloutHelper.h
+++ b/vm/compiler/codegen/x86/CalloutHelper.h
@@ -14,10 +14,10 @@
  * limitations under the License.
  */
 
-#include "Dalvik.h"
+#ifndef DALVIK_VM_COMPILER_CODEGEN_X86_CALLOUT_HELPER_H_
+#define DALVIK_VM_COMPILER_CODEGEN_X86_CALLOUT_HELPER_H_
 
-#ifndef _DALVIK_VM_COMPILER_CODEGEN_X86_CALLOUT_HELPER_H
-#define _DALVIK_VM_COMPILER_CODEGEN_X86_CALLOUT_HELPER_H
+#include "Dalvik.h"
 
 /*
  * Declare/comment prototypes of all native callout functions invoked by the
@@ -56,4 +56,4 @@
  */
 extern "C" double sqrt(double x);  // INLINE_MATH_SQRT
 
-#endif /* _DALVIK_VM_COMPILER_CODEGEN_X86_CALLOUT_HELPER_H */
+#endif  // DALVIK_VM_COMPILER_CODEGEN_X86_CALLOUT_HELPER_H_
diff --git a/vm/compiler/codegen/x86/X86LIR.h b/vm/compiler/codegen/x86/X86LIR.h
index 19f08e1..863aeab 100644
--- a/vm/compiler/codegen/x86/X86LIR.h
+++ b/vm/compiler/codegen/x86/X86LIR.h
@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
+#ifndef DALVIK_VM_COMPILER_CODEGEN_X86_X86LIR_H_
+#define DALVIK_VM_COMPILER_CODEGEN_X86_X86LIR_H_
+
 #include "Dalvik.h"
 #include "compiler/CompilerInternals.h"
 
-#ifndef _DALVIK_VM_COMPILER_CODEGEN_X86_X86LIR_H
-#define _DALVIK_VM_COMPILER_CODEGEN_X86_X86LIR_H
-
 /*
  * For both JIT & interpreter:
  *     esi is Dalvik FP
@@ -179,4 +179,4 @@
 #define CHAIN_CELL_NORMAL_SIZE 12
 #define CHAIN_CELL_PREDICTED_SIZE 16
 
-#endif /* _DALVIK_VM_COMPILER_CODEGEN_X86_X86LIR_H */
+#endif  // DALVIK_VM_COMPILER_CODEGEN_X86_X86LIR_H_
diff --git a/vm/compiler/codegen/x86/ia32/ArchVariant.h b/vm/compiler/codegen/x86/ia32/ArchVariant.h
index c5ce38e..f1c21d3 100644
--- a/vm/compiler/codegen/x86/ia32/ArchVariant.h
+++ b/vm/compiler/codegen/x86/ia32/ArchVariant.h
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef _DALVIK_VM_COMPILER_CODEGEN_X86_IA32_ARCHVARIANT_H
-#define _DALVIK_VM_COMPILER_CODEGEN_X86_IA32_ARCHVARIANT_H
+#ifndef DALVIK_VM_COMPILER_CODEGEN_X86_IA32_ARCHVARIANT_H_
+#define DALVIK_VM_COMPILER_CODEGEN_X86_IA32_ARCHVARIANT_H_
 
 /* Create the TemplateOpcode enum */
 #define JIT_TEMPLATE(X) TEMPLATE_##X,
@@ -31,4 +31,4 @@
 };
 #undef JIT_TEMPLATE
 
-#endif /* _DALVIK_VM_COMPILER_CODEGEN_X86_IA32_ARCHVARIANT_H */
+#endif  // DALVIK_VM_COMPILER_CODEGEN_X86_IA32_ARCHVARIANT_H_