64bit changes to the stack walker for the Quick ABI.

- Spill registers have different sizes.
- The ArtMethod at the bottom of the stack is always of kWordSize.

Change-Id: I92f67ff928477970c393c7146980255d08e8e6af

1 files changed, 0 insertions, 11 deletions

diff --git a/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc b/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
index 2b29591..741b7dd 100644
--- a/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
+++ b/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
@@ -34,12 +34,6 @@ namespace art {
 
 // Visits the arguments as saved to the stack by a Runtime::kRefAndArgs callee save frame.
 class QuickArgumentVisitor {
-  // Size of each spilled GPR.
-#ifdef __LP64__
-  static constexpr size_t kBytesPerGprSpillLocation = 8;
-#else
-  static constexpr size_t kBytesPerGprSpillLocation = 4;
-#endif
   // Number of bytes for each out register in the caller method's frame.
   static constexpr size_t kBytesStackArgLocation = 4;
 #if defined(__arm__)
@@ -61,7 +55,6 @@ class QuickArgumentVisitor {
   static constexpr bool kQuickSoftFloatAbi = true;  // This is a soft float ABI.
   static constexpr size_t kNumQuickGprArgs = 3;  // 3 arguments passed in GPRs.
   static constexpr size_t kNumQuickFprArgs = 0;  // 0 arguments passed in FPRs.
-  static constexpr size_t kBytesPerFprSpillLocation = 4;  // FPR spill size is 4 bytes.
   static constexpr size_t kQuickCalleeSaveFrame_RefAndArgs_Fpr1Offset = 0;  // Offset of first FPR arg.
   static constexpr size_t kQuickCalleeSaveFrame_RefAndArgs_Gpr1Offset = 8;  // Offset of first GPR arg.
   static constexpr size_t kQuickCalleeSaveFrame_RefAndArgs_LrOffset = 44;  // Offset of return address.
@@ -93,7 +86,6 @@ class QuickArgumentVisitor {
   static constexpr bool kQuickSoftFloatAbi = false;  // This is a hard float ABI.
   static constexpr size_t kNumQuickGprArgs = 7;  // 7 arguments passed in GPRs.
   static constexpr size_t kNumQuickFprArgs = 8;  // 8 arguments passed in FPRs.
-  static constexpr size_t kBytesPerFprSpillLocation = 8;  // FPR spill size is 8 bytes.
   static constexpr size_t kQuickCalleeSaveFrame_RefAndArgs_Fpr1Offset =16;  // Offset of first FPR arg.
   static constexpr size_t kQuickCalleeSaveFrame_RefAndArgs_Gpr1Offset = 144;  // Offset of first GPR arg.
   static constexpr size_t kQuickCalleeSaveFrame_RefAndArgs_LrOffset = 296;  // Offset of return address.
@@ -119,7 +111,6 @@ class QuickArgumentVisitor {
   static constexpr bool kQuickSoftFloatAbi = true;  // This is a soft float ABI.
   static constexpr size_t kNumQuickGprArgs = 3;  // 3 arguments passed in GPRs.
   static constexpr size_t kNumQuickFprArgs = 0;  // 0 arguments passed in FPRs.
-  static constexpr size_t kBytesPerFprSpillLocation = 4;  // FPR spill size is 4 bytes.
   static constexpr size_t kQuickCalleeSaveFrame_RefAndArgs_Fpr1Offset = 0;  // Offset of first FPR arg.
   static constexpr size_t kQuickCalleeSaveFrame_RefAndArgs_Gpr1Offset = 4;  // Offset of first GPR arg.
   static constexpr size_t kQuickCalleeSaveFrame_RefAndArgs_LrOffset = 60;  // Offset of return address.
@@ -145,7 +136,6 @@ class QuickArgumentVisitor {
   static constexpr bool kQuickSoftFloatAbi = true;  // This is a soft float ABI.
   static constexpr size_t kNumQuickGprArgs = 3;  // 3 arguments passed in GPRs.
   static constexpr size_t kNumQuickFprArgs = 0;  // 0 arguments passed in FPRs.
-  static constexpr size_t kBytesPerFprSpillLocation = 8;  // FPR spill size is 8 bytes.
   static constexpr size_t kQuickCalleeSaveFrame_RefAndArgs_Fpr1Offset = 0;  // Offset of first FPR arg.
   static constexpr size_t kQuickCalleeSaveFrame_RefAndArgs_Gpr1Offset = 4;  // Offset of first GPR arg.
   static constexpr size_t kQuickCalleeSaveFrame_RefAndArgs_LrOffset = 28;  // Offset of return address.
@@ -184,7 +174,6 @@ class QuickArgumentVisitor {
   static constexpr bool kQuickSoftFloatAbi = false;  // This is a hard float ABI.
   static constexpr size_t kNumQuickGprArgs = 5;  // 3 arguments passed in GPRs.
   static constexpr size_t kNumQuickFprArgs = 8;  // 0 arguments passed in FPRs.
-  static constexpr size_t kBytesPerFprSpillLocation = 8;  // FPR spill size is 8 bytes.
   static constexpr size_t kQuickCalleeSaveFrame_RefAndArgs_Fpr1Offset = 16;  // Offset of first FPR arg.
   static constexpr size_t kQuickCalleeSaveFrame_RefAndArgs_Gpr1Offset = 80;  // Offset of first GPR arg.
   static constexpr size_t kQuickCalleeSaveFrame_RefAndArgs_LrOffset = 168;  // Offset of return address.