ART: Generalize code to find PC for artInvokeInterfaceTrampoline
This allows to determine target method when the interface method has
no dex index, now also for X86-64 and ARM64.
Add constexpr functions to callee_save_frame.h to have compile-time
sizes of callee-save frames. Add a test that ensures they agree
with computations by the corresponding ArtMethod methods.
Move some instruction-set functions into the header file to allow
inlining them. Move arch-specific pointer sizes and alignment sizes
out of globals.h to instruction_set.h to reduce dependencies.
Change-Id: I2997592c7dd1f4dd2bd497522c64bd235ae615a6
Signed-off-by: Alexei Zavjalov <alexei.zavjalov@intel.com>
diff --git a/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc b/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
index a3b1683..5eea252 100644
--- a/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
+++ b/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
@@ -36,6 +36,9 @@
class QuickArgumentVisitor {
// Number of bytes for each out register in the caller method's frame.
static constexpr size_t kBytesStackArgLocation = 4;
+ // Frame size in bytes of a callee-save frame for RefsAndArgs.
+ static constexpr size_t kQuickCalleeSaveFrame_RefAndArgs_FrameSize =
+ GetCalleeSaveFrameSize(kRuntimeISA, Runtime::kRefsAndArgs);
#if defined(__arm__)
// The callee save frame is pointed to by SP.
// | argN | |
@@ -58,7 +61,6 @@
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.
- static constexpr size_t kQuickCalleeSaveFrame_RefAndArgs_FrameSize = 48; // Frame size.
static size_t GprIndexToGprOffset(uint32_t gpr_index) {
return gpr_index * GetBytesPerGprSpillLocation(kRuntimeISA);
}
@@ -86,10 +88,9 @@
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 kQuickCalleeSaveFrame_RefAndArgs_Fpr1Offset =16; // Offset of first FPR arg.
+ 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 * GetBytesPerGprSpillLocation(kRuntimeISA);
}
@@ -114,7 +115,6 @@
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.
- static constexpr size_t kQuickCalleeSaveFrame_RefAndArgs_FrameSize = 64; // Frame size.
static size_t GprIndexToGprOffset(uint32_t gpr_index) {
return gpr_index * GetBytesPerGprSpillLocation(kRuntimeISA);
}
@@ -139,7 +139,6 @@
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.
- static constexpr size_t kQuickCalleeSaveFrame_RefAndArgs_FrameSize = 32; // Frame size.
static size_t GprIndexToGprOffset(uint32_t gpr_index) {
return gpr_index * GetBytesPerGprSpillLocation(kRuntimeISA);
}
@@ -177,7 +176,6 @@
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.
- static constexpr size_t kQuickCalleeSaveFrame_RefAndArgs_FrameSize = 176; // Frame size.
static size_t GprIndexToGprOffset(uint32_t gpr_index) {
switch (gpr_index) {
case 0: return (4 * GetBytesPerGprSpillLocation(kRuntimeISA));
@@ -219,10 +217,7 @@
stack_args_(reinterpret_cast<byte*>(sp) + kQuickCalleeSaveFrame_RefAndArgs_FrameSize
+ StackArgumentStartFromShorty(is_static, shorty, shorty_len)),
gpr_index_(0), fpr_index_(0), stack_index_(0), cur_type_(Primitive::kPrimVoid),
- is_split_long_or_double_(false) {
- DCHECK_EQ(kQuickCalleeSaveFrame_RefAndArgs_FrameSize,
- Runtime::Current()->GetCalleeSaveMethod(Runtime::kRefsAndArgs)->GetFrameSizeInBytes());
- }
+ is_split_long_or_double_(false) { }
virtual ~QuickArgumentVisitor() {}
@@ -1802,66 +1797,12 @@
} else {
FinishCalleeSaveFrameSetup(self, sp, Runtime::kRefsAndArgs);
DCHECK(interface_method == Runtime::Current()->GetResolutionMethod());
- // Determine method index from calling dex instruction.
-#if defined(__arm__)
- // On entry the stack pointed by sp is:
- // | argN | |
- // | ... | |
- // | arg4 | |
- // | arg3 spill | | Caller's frame
- // | arg2 spill | |
- // | arg1 spill | |
- // | Method* | ---
- // | LR |
- // | ... | callee saves
- // | R3 | arg3
- // | R2 | arg2
- // | R1 | arg1
- // | R0 |
- // | Method* | <- sp
- DCHECK_EQ(48U, Runtime::Current()->GetCalleeSaveMethod(Runtime::kRefsAndArgs)->GetFrameSizeInBytes());
- uintptr_t* regs = reinterpret_cast<uintptr_t*>(reinterpret_cast<byte*>(sp) + kPointerSize);
- uintptr_t caller_pc = regs[10];
-#elif defined(__i386__)
- // On entry the stack pointed by sp is:
- // | argN | |
- // | ... | |
- // | arg4 | |
- // | arg3 spill | | Caller's frame
- // | arg2 spill | |
- // | arg1 spill | |
- // | Method* | ---
- // | Return |
- // | EBP,ESI,EDI | callee saves
- // | EBX | arg3
- // | EDX | arg2
- // | ECX | arg1
- // | EAX/Method* | <- sp
- DCHECK_EQ(32U, Runtime::Current()->GetCalleeSaveMethod(Runtime::kRefsAndArgs)->GetFrameSizeInBytes());
- uintptr_t* regs = reinterpret_cast<uintptr_t*>(reinterpret_cast<byte*>(sp));
- uintptr_t caller_pc = regs[7];
-#elif defined(__mips__)
- // On entry the stack pointed by sp is:
- // | argN | |
- // | ... | |
- // | arg4 | |
- // | arg3 spill | | Caller's frame
- // | arg2 spill | |
- // | arg1 spill | |
- // | Method* | ---
- // | RA |
- // | ... | callee saves
- // | A3 | arg3
- // | A2 | arg2
- // | A1 | arg1
- // | A0/Method* | <- sp
- DCHECK_EQ(64U, Runtime::Current()->GetCalleeSaveMethod(Runtime::kRefsAndArgs)->GetFrameSizeInBytes());
- uintptr_t* regs = reinterpret_cast<uintptr_t*>(reinterpret_cast<byte*>(sp));
- uintptr_t caller_pc = regs[15];
-#else
- UNIMPLEMENTED(FATAL);
- uintptr_t caller_pc = 0;
-#endif
+
+ // Find the caller PC.
+ constexpr size_t pc_offset = GetCalleeSavePCOffset(kRuntimeISA, Runtime::kRefsAndArgs);
+ uintptr_t caller_pc = *reinterpret_cast<uintptr_t*>(reinterpret_cast<byte*>(sp) + pc_offset);
+
+ // Map the caller PC to a dex PC.
uint32_t dex_pc = caller_method->ToDexPc(caller_pc);
const DexFile::CodeItem* code = MethodHelper(caller_method).GetCodeItem();
CHECK_LT(dex_pc, code->insns_size_in_code_units_);