Interrupts must not mask stack overflow.

src/arm64/full-codegen-arm64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 69 matching lines @@
  private:
   MacroAssembler* masm_;
   Label patch_site_;
   Register reg_;
 #ifdef DEBUG
   bool info_emitted_;
 #endif
 };
 
 
-static void EmitStackCheck(MacroAssembler* masm_,
-                           int pointers = 0,
-                           Register scratch = jssp) {
-  Isolate* isolate = masm_->isolate();
-  Label ok;
-  ASSERT(jssp.Is(__ StackPointer()));
-  ASSERT(scratch.Is(jssp) == (pointers == 0));
-  Heap::RootListIndex index;
-  if (pointers != 0) {
-    __ Sub(scratch, jssp, pointers * kPointerSize);
-    index = Heap::kRealStackLimitRootIndex;
-  } else {
-    index = Heap::kStackLimitRootIndex;
-  }
-  __ CompareRoot(scratch, index);
-  __ B(hs, &ok);
-  PredictableCodeSizeScope predictable(masm_,
-                                       Assembler::kCallSizeWithRelocation);
-  __ Call(isolate->builtins()->StackCheck(), RelocInfo::CODE_TARGET);
-  __ Bind(&ok);
-}
-
-
 // Generate code for a JS function. On entry to the function the receiver
 // and arguments have been pushed on the stack left to right. The actual
 // argument count matches the formal parameter count expected by the
 // function.
 //
 // The live registers are:
 //   - x1: the JS function object being called (i.e. ourselves).
 //   - cp: our context.
 //   - fp: our caller's frame pointer.
 //   - jssp: stack pointer.
@@ skipping 51 matching lines @@
   info->AddNoFrameRange(0, masm_->pc_offset());
 
   // Reserve space on the stack for locals.
   { Comment cmnt(masm_, "[ Allocate locals");
     int locals_count = info->scope()->num_stack_slots();
     // Generators allocate locals, if any, in context slots.
     ASSERT(!info->function()->is_generator() || locals_count == 0);
 
     if (locals_count > 0) {
       if (locals_count >= 128) {
-        EmitStackCheck(masm_, locals_count, x10);
+        Label ok;
+        ASSERT(jssp.Is(__ StackPointer()));
+        __ Sub(x10, jssp, locals_count * kPointerSize);
+        __ CompareRoot(x10, Heap::kRealStackLimitRootIndex);
+        __ B(hs, &ok);
+        __ InvokeBuiltin(Builtins::STACK_OVERFLOW, CALL_FUNCTION);
+        __ Bind(&ok);
       }
       __ LoadRoot(x10, Heap::kUndefinedValueRootIndex);
       if (FLAG_optimize_for_size) {
         __ PushMultipleTimes(x10 , locals_count);
       } else {
         const int kMaxPushes = 32;
         if (locals_count >= kMaxPushes) {
           int loop_iterations = locals_count / kMaxPushes;
           __ Mov(x3, loop_iterations);
           Label loop_header;
@@ skipping 117 matching lines @@
                function->proxy()->var()->mode() == CONST_LEGACY);
         ASSERT(function->proxy()->var()->location() != Variable::UNALLOCATED);
         VisitVariableDeclaration(function);
       }
       VisitDeclarations(scope()->declarations());
     }
   }
 
   { Comment cmnt(masm_, "[ Stack check");
     PrepareForBailoutForId(BailoutId::Declarations(), NO_REGISTERS);
-    EmitStackCheck(masm_);
+    Label ok;
+    ASSERT(jssp.Is(__ StackPointer()));
+    __ CompareRoot(jssp, Heap::kStackLimitRootIndex);
+    __ B(hs, &ok);
+    PredictableCodeSizeScope predictable(masm_,
+                                         Assembler::kCallSizeWithRelocation);
+    __ Call(isolate()->builtins()->StackCheck(), RelocInfo::CODE_TARGET);
+    __ Bind(&ok);
   }
 
   { Comment cmnt(masm_, "[ Body");
     ASSERT(loop_depth() == 0);
     VisitStatements(function()->body());
     ASSERT(loop_depth() == 0);
   }
 
   // Always emit a 'return undefined' in case control fell off the end of
   // the body.
@@ skipping 4552 matching lines @@
   return previous_;
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM64