Revision: 11768
Author: [email protected]
Date: Mon Jun 11 23:15:59 2012
Log: MIPS: Reland r11753: Fix try..finally.
Port r11762 (4fdbdd7a)
BUG=
TEST=
Review URL: https://chromiumcodereview.appspot.com/10545121
http://code.google.com/p/v8/source/detail?r=11768
Modified:
/branches/bleeding_edge/src/mips/full-codegen-mips.cc
=======================================
--- /branches/bleeding_edge/src/mips/full-codegen-mips.cc Wed May 23
07:24:29 2012
+++ /branches/bleeding_edge/src/mips/full-codegen-mips.cc Mon Jun 11
23:15:59 2012
@@ -4529,14 +4529,55 @@
ASSERT_EQ(1, kSmiTagSize + kSmiShiftSize);
STATIC_ASSERT(0 == kSmiTag);
__ Addu(a1, a1, Operand(a1)); // Convert to smi.
+
+ // Store result register while executing finally block.
__ push(a1);
+
+ // Store pending message while executing finally block.
+ ExternalReference pending_message_obj =
+ ExternalReference::address_of_pending_message_obj(isolate());
+ __ li(at, Operand(pending_message_obj));
+ __ lw(a1, MemOperand(at));
+ __ push(a1);
+
+ ExternalReference has_pending_message =
+ ExternalReference::address_of_has_pending_message(isolate());
+ __ li(at, Operand(has_pending_message));
+ __ lw(a1, MemOperand(at));
+ __ push(a1);
+
+ ExternalReference pending_message_script =
+ ExternalReference::address_of_pending_message_script(isolate());
+ __ li(at, Operand(pending_message_script));
+ __ lw(a1, MemOperand(at));
+ __ push(a1);
}
void FullCodeGenerator::ExitFinallyBlock() {
ASSERT(!result_register().is(a1));
+ // Restore pending message from stack.
+ __ pop(a1);
+ ExternalReference pending_message_script =
+ ExternalReference::address_of_pending_message_script(isolate());
+ __ li(at, Operand(pending_message_script));
+ __ sw(a1, MemOperand(at));
+
+ __ pop(a1);
+ ExternalReference has_pending_message =
+ ExternalReference::address_of_has_pending_message(isolate());
+ __ li(at, Operand(has_pending_message));
+ __ sw(a1, MemOperand(at));
+
+ __ pop(a1);
+ ExternalReference pending_message_obj =
+ ExternalReference::address_of_pending_message_obj(isolate());
+ __ li(at, Operand(pending_message_obj));
+ __ sw(a1, MemOperand(at));
+
// Restore result register from stack.
__ pop(a1);
+
// Uncook return address and return.
__ pop(result_register());
ASSERT_EQ(1, kSmiTagSize + kSmiShiftSize);
--
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