AArch64: Add arm64 runtime support.
Adds support for arm64 to ART. Assembler stubs are sufficient for
down calls into interpreter. JNI compiler and generics are not finished.
Basic Generic JNI functionality.
Change-Id: I4a07c79d1e037b9f5746673480e32cf456867b82
diff --git a/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc b/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
index 184e5e9..20432c6 100644
--- a/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
+++ b/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
@@ -68,6 +68,38 @@
static size_t GprIndexToGprOffset(uint32_t gpr_index) {
return gpr_index * kBytesPerGprSpillLocation;
}
+#elif defined(__aarch64__)
+ // The callee save frame is pointed to by SP.
+ // | argN | |
+ // | ... | |
+ // | arg4 | |
+ // | arg3 spill | | Caller's frame
+ // | arg2 spill | |
+ // | arg1 spill | |
+ // | Method* | ---
+ // | LR |
+ // | X28 |
+ // | : |
+ // | X19 |
+ // | X7 |
+ // | : |
+ // | X1 |
+ // | D15 |
+ // | : |
+ // | D0 |
+ // | | padding
+ // | Method* | <- sp
+ 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.
+ static constexpr size_t kQuickCalleeSaveFrame_RefAndArgs_FrameSize = 304; // Frame size.
+ static size_t GprIndexToGprOffset(uint32_t gpr_index) {
+ return gpr_index * kBytesPerGprSpillLocation;
+ }
#elif defined(__mips__)
// The callee save frame is pointed to by SP.
// | argN | |
@@ -888,6 +920,17 @@
static constexpr bool kMultiRegistersWidened = false;
static constexpr bool kAlignLongOnStack = true;
static constexpr bool kAlignDoubleOnStack = true;
+#elif defined(__aarch64__)
+ static constexpr bool kNativeSoftFloatAbi = false; // This is a hard float ABI.
+ static constexpr size_t kNumNativeGprArgs = 8; // 6 arguments passed in GPRs.
+ static constexpr size_t kNumNativeFprArgs = 8; // 8 arguments passed in FPRs.
+
+ static constexpr size_t kRegistersNeededForLong = 1;
+ static constexpr size_t kRegistersNeededForDouble = 1;
+ static constexpr bool kMultiRegistersAligned = false;
+ static constexpr bool kMultiRegistersWidened = false;
+ static constexpr bool kAlignLongOnStack = false;
+ static constexpr bool kAlignDoubleOnStack = false;
#elif defined(__mips__)
// TODO: These are all dummy values!
static constexpr bool kNativeSoftFloatAbi = true; // This is a hard float ABI.