Reduce meta-data object sizes, introduce meta-data helper classes.

Change-Id: Id14ad218f1c74c659701352fdf1a45bf6444daa3

1 files changed, 9 insertions, 7 deletions

diff --git a/test/StackWalk/stack_walk_jni.cc b/test/StackWalk/stack_walk_jni.cc
index ad9c674..06b3d41 100644
--- a/test/StackWalk/stack_walk_jni.cc
+++ b/test/StackWalk/stack_walk_jni.cc
@@ -6,19 +6,20 @@
 #include "class_linker.h"
 #include "dex_verifier.h"
 #include "object.h"
+#include "object_utils.h"
 #include "jni.h"
 
 namespace art {
 
-#define REG(method, reg_bitmap, reg) \
-  ( ((reg) < (method)->NumRegisters()) &&                       \
+#define REG(mh, reg_bitmap, reg) \
+  ( ((reg) < mh.GetCodeItem()->registers_size_) &&                       \
     (( *((reg_bitmap) + (reg)/8) >> ((reg) % 8) ) & 0x01) )
 
 #define CHECK_REGS(...) do {          \
     int t[] = {__VA_ARGS__};             \
     int t_size = sizeof(t) / sizeof(*t);      \
     for (int i = 0; i < t_size; ++i)          \
-      CHECK(REG(m, reg_bitmap, t[i])) << "Error: Reg " << i << " is not in RegisterMap";  \
+      CHECK(REG(mh, reg_bitmap, t[i])) << "Error: Reg " << i << " is not in RegisterMap";  \
   } while(false)
 
 static int gJava_StackWalk_refmap_calls = 0;
@@ -39,12 +40,13 @@ struct ReferenceMapVisitor : public Thread::StackVisitor {
     }
     verifier::PcToReferenceMap map(m);
     const uint8_t* reg_bitmap = map.FindBitMap(m->ToDexPC(pc));
-    String* m_name = m->GetName();
+    MethodHelper mh(m);
+    StringPiece m_name(mh.GetName());
 
     // Given the method name and the number of times the method has been called,
     // we know the Dex registers with live reference values. Assert that what we
     // find is what is expected.
-    if (m_name->Equals("f")) {
+    if (m_name == "f") {
       if (gJava_StackWalk_refmap_calls == 1) {
         CHECK_EQ(1U, m->ToDexPC(pc));
         CHECK_REGS(1);
@@ -53,7 +55,7 @@ struct ReferenceMapVisitor : public Thread::StackVisitor {
         CHECK_EQ(5U, m->ToDexPC(pc));
         CHECK_REGS(1);
       }
-    } else if (m_name->Equals("g")) {
+    } else if (m_name == "g") {
       if (gJava_StackWalk_refmap_calls == 1) {
         CHECK_EQ(0xcU, m->ToDexPC(pc));
         CHECK_REGS(0, 2);  // Note that v1 is not in the minimal root set
@@ -62,7 +64,7 @@ struct ReferenceMapVisitor : public Thread::StackVisitor {
         CHECK_EQ(0xcU, m->ToDexPC(pc));
         CHECK_REGS(0, 2);
       }
-    } else if (m_name->Equals("shlemiel")) {
+    } else if (m_name == "shlemiel") {
       if (gJava_StackWalk_refmap_calls == 1) {
         CHECK_EQ(0x380U, m->ToDexPC(pc));
         CHECK_REGS(2, 4, 5, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 21, 25);