commit dd7624d2b9e599d57762d12031b10b89defc9807
author Ian Rogers <irogers@google.com> Fri Mar 14 17:43:00 2014 -0700
committer Ian Rogers <irogers@google.com> Tue Apr 01 08:24:16 2014 -0700
tree c972296737f992a84b1552561f823991d28403f0
parent 8464a64a50190c06e95015a932eda9511fa6473d

Allow mixing of thread offsets between 32 and 64bit architectures.

Begin a more full implementation x86-64 REX prefixes.
Doesn't implement 64bit thread offset support for the JNI compiler.

Change-Id: If9af2f08a1833c21ddb4b4077f9b03add1a05147

compiler/utils/arm/assembler_arm.cc

diff --git a/compiler/utils/arm/assembler_arm.cc b/compiler/utils/arm/assembler_arm.cc
index 872a557..59eb98e 100644
--- a/compiler/utils/arm/assembler_arm.cc
+++ b/compiler/utils/arm/assembler_arm.cc
@@ -1577,7 +1577,7 @@
   StoreToOffset(kStoreWord, scratch.AsCoreRegister(), SP, dest.Int32Value());
 }
 
-void ArmAssembler::StoreImmediateToThread(ThreadOffset dest, uint32_t imm,
+void ArmAssembler::StoreImmediateToThread32(ThreadOffset<4> dest, uint32_t imm,
                                        ManagedRegister mscratch) {
   ArmManagedRegister scratch = mscratch.AsArm();
   CHECK(scratch.IsCoreRegister()) << scratch;
@@ -1609,18 +1609,18 @@
   return EmitLoad(this, m_dst, SP, src.Int32Value(), size);
 }
 
-void ArmAssembler::Load(ManagedRegister m_dst, ThreadOffset src, size_t size) {
+void ArmAssembler::LoadFromThread32(ManagedRegister m_dst, ThreadOffset<4> src, size_t size) {
   return EmitLoad(this, m_dst, TR, src.Int32Value(), size);
 }
 
-void ArmAssembler::LoadRawPtrFromThread(ManagedRegister m_dst, ThreadOffset offs) {
+void ArmAssembler::LoadRawPtrFromThread32(ManagedRegister m_dst, ThreadOffset<4> offs) {
   ArmManagedRegister dst = m_dst.AsArm();
   CHECK(dst.IsCoreRegister()) << dst;
   LoadFromOffset(kLoadWord, dst.AsCoreRegister(), TR, offs.Int32Value());
 }
 
-void ArmAssembler::CopyRawPtrFromThread(FrameOffset fr_offs,
-                                        ThreadOffset thr_offs,
+void ArmAssembler::CopyRawPtrFromThread32(FrameOffset fr_offs,
+                                        ThreadOffset<4> thr_offs,
                                         ManagedRegister mscratch) {
   ArmManagedRegister scratch = mscratch.AsArm();
   CHECK(scratch.IsCoreRegister()) << scratch;
@@ -1630,7 +1630,7 @@
                 SP, fr_offs.Int32Value());
 }
 
-void ArmAssembler::CopyRawPtrToThread(ThreadOffset thr_offs,
+void ArmAssembler::CopyRawPtrToThread32(ThreadOffset<4> thr_offs,
                                       FrameOffset fr_offs,
                                       ManagedRegister mscratch) {
   ArmManagedRegister scratch = mscratch.AsArm();
@@ -1641,7 +1641,7 @@
                 TR, thr_offs.Int32Value());
 }
 
-void ArmAssembler::StoreStackOffsetToThread(ThreadOffset thr_offs,
+void ArmAssembler::StoreStackOffsetToThread32(ThreadOffset<4> thr_offs,
                                             FrameOffset fr_offs,
                                             ManagedRegister mscratch) {
   ArmManagedRegister scratch = mscratch.AsArm();
@@ -1651,7 +1651,7 @@
                 TR, thr_offs.Int32Value());
 }
 
-void ArmAssembler::StoreStackPointerToThread(ThreadOffset thr_offs) {
+void ArmAssembler::StoreStackPointerToThread32(ThreadOffset<4> thr_offs) {
   StoreToOffset(kStoreWord, SP, TR, thr_offs.Int32Value());
 }
 
@@ -1844,7 +1844,7 @@
   // TODO: place reference map on call
 }
 
-void ArmAssembler::Call(ThreadOffset /*offset*/, ManagedRegister /*scratch*/) {
+void ArmAssembler::CallFromThread32(ThreadOffset<4> /*offset*/, ManagedRegister /*scratch*/) {
   UNIMPLEMENTED(FATAL);
 }
 
@@ -1862,7 +1862,7 @@
   ArmExceptionSlowPath* slow = new ArmExceptionSlowPath(scratch, stack_adjust);
   buffer_.EnqueueSlowPath(slow);
   LoadFromOffset(kLoadWord, scratch.AsCoreRegister(),
-                 TR, Thread::ExceptionOffset().Int32Value());
+                 TR, Thread::ExceptionOffset<4>().Int32Value());
   cmp(scratch.AsCoreRegister(), ShifterOperand(0));
   b(slow->Entry(), NE);
 }
@@ -1878,7 +1878,7 @@
   // Don't care about preserving R0 as this call won't return
   __ mov(R0, ShifterOperand(scratch_.AsCoreRegister()));
   // Set up call to Thread::Current()->pDeliverException
-  __ LoadFromOffset(kLoadWord, R12, TR, QUICK_ENTRYPOINT_OFFSET(pDeliverException).Int32Value());
+  __ LoadFromOffset(kLoadWord, R12, TR, QUICK_ENTRYPOINT_OFFSET(4, pDeliverException).Int32Value());
   __ blx(R12);
   // Call never returns
   __ bkpt(0);