ART: Convert pointer size to enum

Move away from size_t to dedicated enum (class).

Bug: 30373134
Bug: 30419309
Test: m test-art-host
Change-Id: Id453c330f1065012e7d4f9fc24ac477cc9bb9269
diff --git a/compiler/utils/x86/assembler_x86.cc b/compiler/utils/x86/assembler_x86.cc
index f931d75..87f5647 100644
--- a/compiler/utils/x86/assembler_x86.cc
+++ b/compiler/utils/x86/assembler_x86.cc
@@ -2051,21 +2051,20 @@
   movl(Address(ESP, dest), Immediate(imm));
 }
 
-void X86Assembler::StoreImmediateToThread32(ThreadOffset<4> dest, uint32_t imm,
-                                          ManagedRegister) {
+void X86Assembler::StoreImmediateToThread32(ThreadOffset32 dest, uint32_t imm, ManagedRegister) {
   fs()->movl(Address::Absolute(dest), Immediate(imm));
 }
 
-void X86Assembler::StoreStackOffsetToThread32(ThreadOffset<4> thr_offs,
-                                            FrameOffset fr_offs,
-                                            ManagedRegister mscratch) {
+void X86Assembler::StoreStackOffsetToThread32(ThreadOffset32 thr_offs,
+                                              FrameOffset fr_offs,
+                                              ManagedRegister mscratch) {
   X86ManagedRegister scratch = mscratch.AsX86();
   CHECK(scratch.IsCpuRegister());
   leal(scratch.AsCpuRegister(), Address(ESP, fr_offs));
   fs()->movl(Address::Absolute(thr_offs), scratch.AsCpuRegister());
 }
 
-void X86Assembler::StoreStackPointerToThread32(ThreadOffset<4> thr_offs) {
+void X86Assembler::StoreStackPointerToThread32(ThreadOffset32 thr_offs) {
   fs()->movl(Address::Absolute(thr_offs), ESP);
 }
 
@@ -2101,7 +2100,7 @@
   }
 }
 
-void X86Assembler::LoadFromThread32(ManagedRegister mdest, ThreadOffset<4> src, size_t size) {
+void X86Assembler::LoadFromThread32(ManagedRegister mdest, ThreadOffset32 src, size_t size) {
   X86ManagedRegister dest = mdest.AsX86();
   if (dest.IsNoRegister()) {
     CHECK_EQ(0u, size);
@@ -2111,7 +2110,7 @@
   } else if (dest.IsRegisterPair()) {
     CHECK_EQ(8u, size);
     fs()->movl(dest.AsRegisterPairLow(), Address::Absolute(src));
-    fs()->movl(dest.AsRegisterPairHigh(), Address::Absolute(ThreadOffset<4>(src.Int32Value()+4)));
+    fs()->movl(dest.AsRegisterPairHigh(), Address::Absolute(ThreadOffset32(src.Int32Value()+4)));
   } else if (dest.IsX87Register()) {
     if (size == 4) {
       fs()->flds(Address::Absolute(src));
@@ -2152,7 +2151,7 @@
 }
 
 void X86Assembler::LoadRawPtrFromThread32(ManagedRegister mdest,
-                                        ThreadOffset<4> offs) {
+                                          ThreadOffset32 offs) {
   X86ManagedRegister dest = mdest.AsX86();
   CHECK(dest.IsCpuRegister());
   fs()->movl(dest.AsCpuRegister(), Address::Absolute(offs));
@@ -2215,17 +2214,17 @@
 }
 
 void X86Assembler::CopyRawPtrFromThread32(FrameOffset fr_offs,
-                                        ThreadOffset<4> thr_offs,
-                                        ManagedRegister mscratch) {
+                                          ThreadOffset32 thr_offs,
+                                          ManagedRegister mscratch) {
   X86ManagedRegister scratch = mscratch.AsX86();
   CHECK(scratch.IsCpuRegister());
   fs()->movl(scratch.AsCpuRegister(), Address::Absolute(thr_offs));
   Store(fr_offs, scratch, 4);
 }
 
-void X86Assembler::CopyRawPtrToThread32(ThreadOffset<4> thr_offs,
-                                      FrameOffset fr_offs,
-                                      ManagedRegister mscratch) {
+void X86Assembler::CopyRawPtrToThread32(ThreadOffset32 thr_offs,
+                                        FrameOffset fr_offs,
+                                        ManagedRegister mscratch) {
   X86ManagedRegister scratch = mscratch.AsX86();
   CHECK(scratch.IsCpuRegister());
   Load(scratch, fr_offs, 4);
@@ -2371,26 +2370,26 @@
   call(Address(scratch, offset));
 }
 
-void X86Assembler::CallFromThread32(ThreadOffset<4> offset, ManagedRegister /*mscratch*/) {
+void X86Assembler::CallFromThread32(ThreadOffset32 offset, ManagedRegister /*mscratch*/) {
   fs()->call(Address::Absolute(offset));
 }
 
 void X86Assembler::GetCurrentThread(ManagedRegister tr) {
   fs()->movl(tr.AsX86().AsCpuRegister(),
-             Address::Absolute(Thread::SelfOffset<4>()));
+             Address::Absolute(Thread::SelfOffset<kX86PointerSize>()));
 }
 
 void X86Assembler::GetCurrentThread(FrameOffset offset,
                                     ManagedRegister mscratch) {
   X86ManagedRegister scratch = mscratch.AsX86();
-  fs()->movl(scratch.AsCpuRegister(), Address::Absolute(Thread::SelfOffset<4>()));
+  fs()->movl(scratch.AsCpuRegister(), Address::Absolute(Thread::SelfOffset<kX86PointerSize>()));
   movl(Address(ESP, offset), scratch.AsCpuRegister());
 }
 
 void X86Assembler::ExceptionPoll(ManagedRegister /*scratch*/, size_t stack_adjust) {
   X86ExceptionSlowPath* slow = new (GetArena()) X86ExceptionSlowPath(stack_adjust);
   buffer_.EnqueueSlowPath(slow);
-  fs()->cmpl(Address::Absolute(Thread::ExceptionOffset<4>()), Immediate(0));
+  fs()->cmpl(Address::Absolute(Thread::ExceptionOffset<kX86PointerSize>()), Immediate(0));
   j(kNotEqual, slow->Entry());
 }
 
@@ -2403,8 +2402,8 @@
     __ DecreaseFrameSize(stack_adjust_);
   }
   // Pass exception as argument in EAX
-  __ fs()->movl(EAX, Address::Absolute(Thread::ExceptionOffset<4>()));
-  __ fs()->call(Address::Absolute(QUICK_ENTRYPOINT_OFFSET(4, pDeliverException)));
+  __ fs()->movl(EAX, Address::Absolute(Thread::ExceptionOffset<kX86PointerSize>()));
+  __ fs()->call(Address::Absolute(QUICK_ENTRYPOINT_OFFSET(kX86PointerSize, pDeliverException)));
   // this call should never return
   __ int3();
 #undef __
diff --git a/compiler/utils/x86/assembler_x86.h b/compiler/utils/x86/assembler_x86.h
index fa61662..75648f2 100644
--- a/compiler/utils/x86/assembler_x86.h
+++ b/compiler/utils/x86/assembler_x86.h
@@ -195,7 +195,7 @@
     return result;
   }
 
-  static Address Absolute(ThreadOffset<4> addr) {
+  static Address Absolute(ThreadOffset32 addr) {
     return Absolute(addr.Int32Value());
   }
 
@@ -652,13 +652,13 @@
 
   void StoreImmediateToFrame(FrameOffset dest, uint32_t imm, ManagedRegister scratch) OVERRIDE;
 
-  void StoreImmediateToThread32(ThreadOffset<4> dest, uint32_t imm, ManagedRegister scratch)
+  void StoreImmediateToThread32(ThreadOffset32 dest, uint32_t imm, ManagedRegister scratch)
       OVERRIDE;
 
-  void StoreStackOffsetToThread32(ThreadOffset<4> thr_offs, FrameOffset fr_offs,
+  void StoreStackOffsetToThread32(ThreadOffset32 thr_offs, FrameOffset fr_offs,
                                   ManagedRegister scratch) OVERRIDE;
 
-  void StoreStackPointerToThread32(ThreadOffset<4> thr_offs) OVERRIDE;
+  void StoreStackPointerToThread32(ThreadOffset32 thr_offs) OVERRIDE;
 
   void StoreSpanning(FrameOffset dest, ManagedRegister src, FrameOffset in_off,
                      ManagedRegister scratch) OVERRIDE;
@@ -666,7 +666,7 @@
   // Load routines
   void Load(ManagedRegister dest, FrameOffset src, size_t size) OVERRIDE;
 
-  void LoadFromThread32(ManagedRegister dest, ThreadOffset<4> src, size_t size) OVERRIDE;
+  void LoadFromThread32(ManagedRegister dest, ThreadOffset32 src, size_t size) OVERRIDE;
 
   void LoadRef(ManagedRegister dest, FrameOffset src) OVERRIDE;
 
@@ -675,15 +675,15 @@
 
   void LoadRawPtr(ManagedRegister dest, ManagedRegister base, Offset offs) OVERRIDE;
 
-  void LoadRawPtrFromThread32(ManagedRegister dest, ThreadOffset<4> offs) OVERRIDE;
+  void LoadRawPtrFromThread32(ManagedRegister dest, ThreadOffset32 offs) OVERRIDE;
 
   // Copying routines
   void Move(ManagedRegister dest, ManagedRegister src, size_t size) OVERRIDE;
 
-  void CopyRawPtrFromThread32(FrameOffset fr_offs, ThreadOffset<4> thr_offs,
+  void CopyRawPtrFromThread32(FrameOffset fr_offs, ThreadOffset32 thr_offs,
                               ManagedRegister scratch) OVERRIDE;
 
-  void CopyRawPtrToThread32(ThreadOffset<4> thr_offs, FrameOffset fr_offs, ManagedRegister scratch)
+  void CopyRawPtrToThread32(ThreadOffset32 thr_offs, FrameOffset fr_offs, ManagedRegister scratch)
       OVERRIDE;
 
   void CopyRef(FrameOffset dest, FrameOffset src, ManagedRegister scratch) OVERRIDE;
@@ -740,7 +740,7 @@
   // Call to address held at [base+offset]
   void Call(ManagedRegister base, Offset offset, ManagedRegister scratch) OVERRIDE;
   void Call(FrameOffset base, Offset offset, ManagedRegister scratch) OVERRIDE;
-  void CallFromThread32(ThreadOffset<4> offset, ManagedRegister scratch) OVERRIDE;
+  void CallFromThread32(ThreadOffset32 offset, ManagedRegister scratch) OVERRIDE;
 
   // Generate code to check if Thread::Current()->exception_ is non-null
   // and branch to a ExceptionSlowPath if it is.