#undef __
+#define __ ACCESS_MASM(masm())
+
+FullCodeGenerator::NestedStatement* FullCodeGenerator::TryFinally::Exit(
+ int* stack_depth,
+ int* context_length) {
+ // The macros used here must preserve the result register.
+
+ // Because the handler block contains the context of the finally
+ // code, we can restore it directly from there for the finally code
+ // rather than iteratively unwinding contexts via their previous
+ // links.
+ __ Drop(*stack_depth); // Down to the handler block.
+ if (*context_length > 0) {
+ // Restore the context to its dedicated register and the stack.
+ __ ldr(cp, MemOperand(sp, StackHandlerConstants::kContextOffset));
+ __ str(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
+ }
+ __ PopTryHandler();
+ __ bl(finally_entry_);
+
+ *stack_depth = 0;
+ *context_length = 0;
+ return previous_;
+}
+
+
+#undef __
+
} } // namespace v8::internal
#endif // V8_TARGET_ARCH_ARM
}
-FullCodeGenerator::NestedStatement* FullCodeGenerator::TryFinally::Exit(
- int* stack_depth,
- int* context_length) {
- // The macros used here must preserve the result register.
- __ Drop(*stack_depth);
- __ PopTryHandler();
- *stack_depth = 0;
-
- Register context = FullCodeGenerator::context_register();
- while (*context_length > 0) {
- codegen_->LoadContextField(context, Context::PREVIOUS_INDEX);
- --(*context_length);
- }
-
- __ Call(finally_entry_);
- return previous_;
-}
-
-
FullCodeGenerator::NestedStatement* FullCodeGenerator::TryCatch::Exit(
int* stack_depth,
int* context_length) {
#undef __
+#define __ ACCESS_MASM(masm())
+
+FullCodeGenerator::NestedStatement* FullCodeGenerator::TryFinally::Exit(
+ int* stack_depth,
+ int* context_length) {
+ // The macros used here must preserve the result register.
+
+ // Because the handler block contains the context of the finally
+ // code, we can restore it directly from there for the finally code
+ // rather than iteratively unwinding contexts via their previous
+ // links.
+ __ Drop(*stack_depth); // Down to the handler block.
+ if (*context_length > 0) {
+ // Restore the context to its dedicated register and the stack.
+ __ mov(esi, Operand(esp, StackHandlerConstants::kContextOffset));
+ __ mov(Operand(ebp, StandardFrameConstants::kContextOffset), esi);
+ }
+ __ PopTryHandler();
+ __ call(finally_entry_);
+
+ *stack_depth = 0;
+ *context_length = 0;
+ return previous_;
+}
+
+
+#undef __
+
} } // namespace v8::internal
#endif // V8_TARGET_ARCH_IA32
#undef __
+#define __ ACCESS_MASM(masm())
+
+FullCodeGenerator::NestedStatement* FullCodeGenerator::TryFinally::Exit(
+ int* stack_depth,
+ int* context_length) {
+ // The macros used here must preserve the result register.
+
+ // Because the handler block contains the context of the finally
+ // code, we can restore it directly from there for the finally code
+ // rather than iteratively unwinding contexts via their previous
+ // links.
+ __ Drop(*stack_depth); // Down to the handler block.
+ if (*context_length > 0) {
+ // Restore the context to its dedicated register and the stack.
+ __ lw(cp, MemOperand(sp, StackHandlerConstants::kContextOffset));
+ __ sw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
+ }
+ __ PopTryHandler();
+ __ Call(finally_entry_);
+
+ *stack_depth = 0;
+ *context_length = 0;
+ return previous_;
+}
+
+
+#undef __
+
} } // namespace v8::internal
#endif // V8_TARGET_ARCH_MIPS
#undef __
+#define __ ACCESS_MASM(masm())
+
+FullCodeGenerator::NestedStatement* FullCodeGenerator::TryFinally::Exit(
+ int* stack_depth,
+ int* context_length) {
+ // The macros used here must preserve the result register.
+
+ // Because the handler block contains the context of the finally
+ // code, we can restore it directly from there for the finally code
+ // rather than iteratively unwinding contexts via their previous
+ // links.
+ __ Drop(*stack_depth); // Down to the handler block.
+ if (*context_length > 0) {
+ // Restore the context to its dedicated register and the stack.
+ __ movq(rsi, Operand(rsp, StackHandlerConstants::kContextOffset));
+ __ movq(Operand(rbp, StandardFrameConstants::kContextOffset), rsi);
+ }
+ __ PopTryHandler();
+ __ call(finally_entry_);
+
+ *stack_depth = 0;
+ *context_length = 0;
+ return previous_;
+}
+
+
+#undef __
} } // namespace v8::internal
--- /dev/null
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+function Test() {
+ var left = 'XXX';
+ var right = 'YYY';
+ for (var i = 0; i < 3; i++) {
+ var cons = left + right;
+ var substring = cons.substring(2, 4);
+ try {
+ with ({Test: i})
+ continue;
+ } finally { }
+ }
+ return substring;
+}
+
+assertEquals('XY', Test());