Revert r20692 "Check stack limit in ArgumentAdaptorTrampoline."

Reason: mjsunit/regress/regress-353058 failure on GC-stress.

TBR=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/234813004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20695 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

diff --git a/src/arm/builtins-arm.cc b/src/arm/builtins-arm.cc
index bb3744e..f138146 100644 (file)
--- a/src/arm/builtins-arm.cc
+++ b/src/arm/builtins-arm.cc
@@ -1284,7 +1284,7 @@ void Builtins::Generate_FunctionApply(MacroAssembler* masm) {
     // Out of stack space.
     __ ldr(r1, MemOperand(fp, kFunctionOffset));
     __ Push(r1, r0);
-    __ InvokeBuiltin(Builtins::STACK_OVERFLOW, CALL_FUNCTION);
+    __ InvokeBuiltin(Builtins::APPLY_OVERFLOW, CALL_FUNCTION);
     // End of stack check.
 
     // Push current limit and index.
@@ -1407,26 +1407,6 @@ void Builtins::Generate_FunctionApply(MacroAssembler* masm) {
 }
 
 
-static void ArgumentAdaptorStackCheck(MacroAssembler* masm,
-                                      Label* stack_overflow) {
-  // ----------- S t a t e -------------
-  //  -- r0 : actual number of arguments
-  //  -- r1 : function (passed through to callee)
-  //  -- r2 : expected number of arguments
-  // -----------------------------------
-  // Check the stack for overflow. We are not trying to catch
-  // interruptions (e.g. debug break and preemption) here, so the "real stack
-  // limit" is checked.
-  __ LoadRoot(r5, Heap::kRealStackLimitRootIndex);
-  // Make r5 the space we have left. The stack might already be overflowed
-  // here which will cause r5 to become negative.
-  __ sub(r5, sp, r5);
-  // Check if the arguments will overflow the stack.
-  __ cmp(r5, Operand(r2, LSL, kPointerSizeLog2));
-  __ b(le, stack_overflow);  // Signed comparison.
-}
-
-
 static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) {
   __ SmiTag(r0);
   __ mov(r4, Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
@@ -1466,8 +1446,6 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
   //  -- r2 : expected number of arguments
   // -----------------------------------
 
-  Label stack_overflow;
-  ArgumentAdaptorStackCheck(masm, &stack_overflow);
   Label invoke, dont_adapt_arguments;
 
   Label enough, too_few;
@@ -1567,11 +1545,6 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
   // -------------------------------------------
   __ bind(&dont_adapt_arguments);
   __ Jump(r3);
-
-  __ bind(&stack_overflow);
-  EnterArgumentsAdaptorFrame(masm);
-  __ InvokeBuiltin(Builtins::STACK_OVERFLOW, JUMP_FUNCTION);
-  __ bkpt(0);
 }
 
 

diff --git a/src/arm64/builtins-arm64.cc b/src/arm64/builtins-arm64.cc
index b2c8ee0..01ac4cc 100644 (file)
--- a/src/arm64/builtins-arm64.cc
+++ b/src/arm64/builtins-arm64.cc
@@ -1280,7 +1280,7 @@ void Builtins::Generate_FunctionApply(MacroAssembler* masm) {
     // There is not enough stack space, so use a builtin to throw an appropriate
     // error.
     __ Push(function, argc);
-    __ InvokeBuiltin(Builtins::STACK_OVERFLOW, CALL_FUNCTION);
+    __ InvokeBuiltin(Builtins::APPLY_OVERFLOW, CALL_FUNCTION);
     // We should never return from the APPLY_OVERFLOW builtin.
     if (__ emit_debug_code()) {
       __ Unreachable();
@@ -1400,28 +1400,6 @@ void Builtins::Generate_FunctionApply(MacroAssembler* masm) {
 }
 
 
-static void ArgumentAdaptorStackCheck(MacroAssembler* masm,
-                                      Label* stack_overflow) {
-  // ----------- S t a t e -------------
-  //  -- x0 : actual number of arguments
-  //  -- x1 : function (passed through to callee)
-  //  -- x2 : expected number of arguments
-  // -----------------------------------
-  // Check the stack for overflow.
-  // We are not trying to catch interruptions (e.g. debug break and
-  // preemption) here, so the "real stack limit" is checked.
-  Label enough_stack_space;
-  __ LoadRoot(x10, Heap::kRealStackLimitRootIndex);
-  // Make x10 the space we have left. The stack might already be overflowed
-  // here which will cause x10 to become negative.
-  __ Sub(x10, jssp, x10);
-  __ Mov(x11, jssp);
-  // Check if the arguments will overflow the stack.
-  __ Cmp(x10, Operand(x2, LSL, kPointerSizeLog2));
-  __ B(le, stack_overflow);
-}
-
-
 static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) {
   __ SmiTag(x10, x0);
   __ Mov(x11, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR));
@@ -1455,9 +1433,6 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
   //  -- x2 : expected number of arguments
   // -----------------------------------
 
-  Label stack_overflow;
-  ArgumentAdaptorStackCheck(masm, &stack_overflow);
-
   Register argc_actual = x0;  // Excluding the receiver.
   Register argc_expected = x2;  // Excluding the receiver.
   Register function = x1;
@@ -1577,11 +1552,6 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
   // Call the entry point without adapting the arguments.
   __ Bind(&dont_adapt_arguments);
   __ Jump(code_entry);
-
-  __ Bind(&stack_overflow);
-  EnterArgumentsAdaptorFrame(masm);
-  __ InvokeBuiltin(Builtins::STACK_OVERFLOW, JUMP_FUNCTION);
-  __ Brk(0);
 }
 
 

diff --git a/src/builtins.h b/src/builtins.h
index 16d7835..88cfd53 100644 (file)
--- a/src/builtins.h
+++ b/src/builtins.h
@@ -260,7 +260,7 @@ enum BuiltinExtraArguments {
   V(STRING_ADD_LEFT, 1)                  \
   V(STRING_ADD_RIGHT, 1)                 \
   V(APPLY_PREPARE, 1)                    \
-  V(STACK_OVERFLOW, 1)
+  V(APPLY_OVERFLOW, 1)
 
 class BuiltinFunctionTable;
 class ObjectVisitor;

diff --git a/src/ia32/builtins-ia32.cc b/src/ia32/builtins-ia32.cc
index 98ed645..785c5fd 100644 (file)
--- a/src/ia32/builtins-ia32.cc
+++ b/src/ia32/builtins-ia32.cc
@@ -949,7 +949,7 @@ void Builtins::Generate_FunctionApply(MacroAssembler* masm) {
     // Out of stack space.
     __ push(Operand(ebp, 4 * kPointerSize));  // push this
     __ push(eax);
-    __ InvokeBuiltin(Builtins::STACK_OVERFLOW, CALL_FUNCTION);
+    __ InvokeBuiltin(Builtins::APPLY_OVERFLOW, CALL_FUNCTION);
     __ bind(&okay);
     // End of stack check.
 
@@ -1252,33 +1252,6 @@ void Builtins::Generate_StringConstructCode(MacroAssembler* masm) {
 }
 
 
-static void ArgumentsAdaptorStackCheck(MacroAssembler* masm,
-                                       Label* stack_overflow) {
-  // ----------- S t a t e -------------
-  //  -- eax : actual number of arguments
-  //  -- ebx : expected number of arguments
-  //  -- edi : function (passed through to callee)
-  // -----------------------------------
-  // Check the stack for overflow. We are not trying to catch
-  // interruptions (e.g. debug break and preemption) here, so the "real stack
-  // limit" is checked.
-  ExternalReference real_stack_limit =
-      ExternalReference::address_of_real_stack_limit(masm->isolate());
-  __ mov(edx, Operand::StaticVariable(real_stack_limit));
-  // Make ecx the space we have left. The stack might already be overflowed
-  // here which will cause ecx to become negative.
-  __ mov(ecx, esp);
-  __ sub(ecx, edx);
-  // Make edx the space we need for the array when it is unrolled onto the
-  // stack.
-  __ mov(edx, ebx);
-  __ shl(edx, kPointerSizeLog2);
-  // Check if the arguments will overflow the stack.
-  __ cmp(ecx, edx);
-  __ j(less_equal, stack_overflow);  // Signed comparison.
-}
-
-
 static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) {
   __ push(ebp);
   __ mov(ebp, esp);
@@ -1323,9 +1296,6 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
   Label invoke, dont_adapt_arguments;
   __ IncrementCounter(masm->isolate()->counters()->arguments_adaptors(), 1);
 
-  Label stack_overflow;
-  ArgumentsAdaptorStackCheck(masm, &stack_overflow);
-
   Label enough, too_few;
   __ mov(edx, FieldOperand(edi, JSFunction::kCodeEntryOffset));
   __ cmp(eax, ebx);
@@ -1400,11 +1370,6 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
   // -------------------------------------------
   __ bind(&dont_adapt_arguments);
   __ jmp(edx);
-
-  __ bind(&stack_overflow);
-  EnterArgumentsAdaptorFrame(masm);
-  __ InvokeBuiltin(Builtins::STACK_OVERFLOW, JUMP_FUNCTION);
-  __ int3();
 }
 
 

diff --git a/src/mips/builtins-mips.cc b/src/mips/builtins-mips.cc
index f941440..03d6cc8 100644 (file)
--- a/src/mips/builtins-mips.cc
+++ b/src/mips/builtins-mips.cc
@@ -1305,7 +1305,7 @@ void Builtins::Generate_FunctionApply(MacroAssembler* masm) {
     // Out of stack space.
     __ lw(a1, MemOperand(fp, kFunctionOffset));
     __ Push(a1, v0);
-    __ InvokeBuiltin(Builtins::STACK_OVERFLOW, CALL_FUNCTION);
+    __ InvokeBuiltin(Builtins::APPLY_OVERFLOW, CALL_FUNCTION);
     // End of stack check.
 
     // Push current limit and index.

diff --git a/src/runtime.js b/src/runtime.js
index 7b83345..a49bc84 100644 (file)
--- a/src/runtime.js
+++ b/src/runtime.js
@@ -464,7 +464,7 @@ function APPLY_PREPARE(args) {
 }
 
 
-function STACK_OVERFLOW(length) {
+function APPLY_OVERFLOW(length) {
   throw %MakeRangeError('stack_overflow', []);
 }
 

diff --git a/src/x64/builtins-x64.cc b/src/x64/builtins-x64.cc
index 50a836a..d14a935 100644 (file)
--- a/src/x64/builtins-x64.cc
+++ b/src/x64/builtins-x64.cc
@@ -1017,7 +1017,7 @@ void Builtins::Generate_FunctionApply(MacroAssembler* masm) {
     // Out of stack space.
     __ Push(Operand(rbp, kFunctionOffset));
     __ Push(rax);
-    __ InvokeBuiltin(Builtins::STACK_OVERFLOW, CALL_FUNCTION);
+    __ InvokeBuiltin(Builtins::APPLY_OVERFLOW, CALL_FUNCTION);
     __ bind(&okay);
     // End of stack check.
 
@@ -1322,31 +1322,6 @@ void Builtins::Generate_StringConstructCode(MacroAssembler* masm) {
 }
 
 
-static void ArgumentsAdaptorStackCheck(MacroAssembler* masm,
-                                       Label* stack_overflow) {
-  // ----------- S t a t e -------------
-  //  -- rax : actual number of arguments
-  //  -- rbx : expected number of arguments
-  //  -- rdi: function (passed through to callee)
-  // -----------------------------------
-  // Check the stack for overflow. We are not trying to catch
-  // interruptions (e.g. debug break and preemption) here, so the "real stack
-  // limit" is checked.
-  Label okay;
-  __ LoadRoot(rdx, Heap::kRealStackLimitRootIndex);
-  __ movp(rcx, rsp);
-  // Make rcx the space we have left. The stack might already be overflowed
-  // here which will cause rcx to become negative.
-  __ subp(rcx, rdx);
-  // Make rdx the space we need for the array when it is unrolled onto the
-  // stack.
-  __ PositiveSmiTimesPowerOfTwoToInteger64(rdx, rax, kPointerSizeLog2);
-  // Check if the arguments will overflow the stack.
-  __ cmpp(rcx, rdx);
-  __ j(less_equal, stack_overflow);  // Signed comparison.
-}
-
-
 static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) {
   __ pushq(rbp);
   __ movp(rbp, rsp);
@@ -1392,9 +1367,6 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
   Counters* counters = masm->isolate()->counters();
   __ IncrementCounter(counters->arguments_adaptors(), 1);
 
-  Label stack_overflow;
-  ArgumentsAdaptorStackCheck(masm, &stack_overflow);
-
   Label enough, too_few;
   __ movp(rdx, FieldOperand(rdi, JSFunction::kCodeEntryOffset));
   __ cmpp(rax, rbx);
@@ -1467,11 +1439,6 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
   // -------------------------------------------
   __ bind(&dont_adapt_arguments);
   __ jmp(rdx);
-
-  __ bind(&stack_overflow);
-  EnterArgumentsAdaptorFrame(masm);
-  __ InvokeBuiltin(Builtins::STACK_OVERFLOW, JUMP_FUNCTION);
-  __ int3();
 }