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Unified Diff: src/arm/macro-assembler-arm.cc

Issue 2090723005: [builtins] New frame type for exits to C++ builtins (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 6 months ago
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Index: src/arm/macro-assembler-arm.cc
diff --git a/src/arm/macro-assembler-arm.cc b/src/arm/macro-assembler-arm.cc
index ce5ca09867010f0045538cb7e3da92bb19a49910..2cb3f8633a126ba40b2d7572e26910540ec132bd 100644
--- a/src/arm/macro-assembler-arm.cc
+++ b/src/arm/macro-assembler-arm.cc
@@ -1287,13 +1287,16 @@ int MacroAssembler::LeaveFrame(StackFrame::Type type) {
return frame_ends;
}
+void MacroAssembler::EnterExitFrame(bool save_doubles, int stack_space,
+ StackFrame::Type frame_type) {
+ DCHECK(frame_type == StackFrame::EXIT ||
+ frame_type == StackFrame::BUILTIN_EXIT);
-void MacroAssembler::EnterExitFrame(bool save_doubles, int stack_space) {
// Set up the frame structure on the stack.
DCHECK_EQ(2 * kPointerSize, ExitFrameConstants::kCallerSPDisplacement);
DCHECK_EQ(1 * kPointerSize, ExitFrameConstants::kCallerPCOffset);
DCHECK_EQ(0 * kPointerSize, ExitFrameConstants::kCallerFPOffset);
- mov(ip, Operand(Smi::FromInt(StackFrame::EXIT)));
+ mov(ip, Operand(Smi::FromInt(frame_type)));
PushCommonFrame(ip);
// Reserve room for saved entry sp and code object.
sub(sp, fp, Operand(ExitFrameConstants::kFixedFrameSizeFromFp));
@@ -2853,18 +2856,18 @@ void MacroAssembler::TailCallRuntime(Runtime::FunctionId fid) {
JumpToExternalReference(ExternalReference(fid, isolate()));
}
-
-void MacroAssembler::JumpToExternalReference(const ExternalReference& builtin) {
+void MacroAssembler::JumpToExternalReference(const ExternalReference& builtin,
+ bool builtin_exit_frame) {
#if defined(__thumb__)
// Thumb mode builtin.
DCHECK((reinterpret_cast<intptr_t>(builtin.address()) & 1) == 1);
#endif
mov(r1, Operand(builtin));
- CEntryStub stub(isolate(), 1);
+ CEntryStub stub(isolate(), 1, kDontSaveFPRegs, kArgvOnStack,
+ builtin_exit_frame);
Jump(stub.GetCode(), RelocInfo::CODE_TARGET);
}
-
void MacroAssembler::SetCounter(StatsCounter* counter, int value,
Register scratch1, Register scratch2) {
if (FLAG_native_code_counters && counter->Enabled()) {
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