Version 3.0.7
Stopped calling inherited setters when creating object literals (issue 1015).
Changed interpretation of malformed \c? escapes in RegExp to match JSC.
Enhanced the command-line debugger interface and fixed some minor bugs in the debugger.
Performance improvements on the IA32 platform.
Review URL: http://codereview.chromium.org/6113004
git-svn-id: http://v8.googlecode.com/svn/trunk@6238 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/ChangeLog b/ChangeLog
index c89ec31..41083e2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,17 +1,31 @@
+2010-01-10: Version 3.0.7
+
+ Stopped calling inherited setters when creating object literals
+ (issue 1015).
+
+ Changed interpretation of malformed \c? escapes in RegExp to match
+ JSC.
+
+ Enhanced the command-line debugger interface and fixed some minor
+ bugs in the debugger.
+
+ Performance improvements on the IA32 platform.
+
+
2010-01-05: Version 3.0.6
- Allowed getters and setters on JSArray elements (Issue 900).
+ Allowed getters and setters on JSArray elements (issue 900).
Stopped JSON objects from hitting inherited setters (part of
- Issue 1015).
+ issue 1015).
Allowed numbers and strings as names of getters/setters in object
- initializer (Issue 820).
+ initializer (issue 820).
Added use_system_v8 option to gyp (off by default), to make it easier
for Linux distributions to ship with system-provided V8 library.
- Exported external array data accessors (Issue 1016).
+ Exported external array data accessors (issue 1016).
Added labelled thread names to help with debugging (on Linux).
@@ -177,7 +191,7 @@
Allowed forcing the use of a simulator from the build script
independently of the host architecture.
- Fixed FreeBSD port (Issue 912).
+ Fixed FreeBSD port (issue 912).
Made windows-tick-processor respect D8_PATH.
diff --git a/src/SConscript b/src/SConscript
index b1f9bb6..0c8e140 100755
--- a/src/SConscript
+++ b/src/SConscript
@@ -1,4 +1,4 @@
-# Copyright 2008 the V8 project authors. All rights reserved.
+# 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:
@@ -85,6 +85,7 @@
jsregexp.cc
jump-target.cc
lithium-allocator.cc
+ lithium.cc
liveedit.cc
log-utils.cc
log.cc
@@ -211,6 +212,7 @@
x64/full-codegen-x64.cc
x64/ic-x64.cc
x64/jump-target-x64.cc
+ x64/lithium-x64.cc
x64/macro-assembler-x64.cc
x64/regexp-macro-assembler-x64.cc
x64/register-allocator-x64.cc
diff --git a/src/accessors.cc b/src/accessors.cc
index 43d54fe..c7d9cfe 100644
--- a/src/accessors.cc
+++ b/src/accessors.cc
@@ -126,8 +126,8 @@
// This means one of the object's prototypes is a JSArray and
// the object does not have a 'length' property.
// Calling SetProperty causes an infinite loop.
- return object->IgnoreAttributesAndSetLocalProperty(Heap::length_symbol(),
- value, NONE);
+ return object->SetLocalPropertyIgnoreAttributes(Heap::length_symbol(),
+ value, NONE);
}
}
return Top::Throw(*Factory::NewRangeError("invalid_array_length",
@@ -775,7 +775,7 @@
if (index >= 0) {
Handle<Object> arguments =
Handle<Object>(frame->GetExpression(index));
- if (!arguments->IsTheHole()) return *arguments;
+ if (!arguments->IsArgumentsMarker()) return *arguments;
}
// If there isn't an arguments variable in the stack, we need to
diff --git a/src/arm/assembler-arm.cc b/src/arm/assembler-arm.cc
index 8fdcf18..fbe97ad 100644
--- a/src/arm/assembler-arm.cc
+++ b/src/arm/assembler-arm.cc
@@ -2340,12 +2340,14 @@
const SBit s,
const Condition cond) {
// vcmp(Dd, Dm) double precision floating point comparison.
+ // We set bit E, as we want any NaN to set the cumulative exception flag
+ // in the FPSCR.
// Instruction details available in ARM DDI 0406A, A8-570.
// cond(31-28) | 11101 (27-23)| D=?(22) | 11 (21-20) | 0100 (19-16) |
- // Vd(15-12) | 101(11-9) | sz(8)=1 | E(7)=? | 1(6) | M(5)=? | 0(4) | Vm(3-0)
+ // Vd(15-12) | 101(11-9) | sz(8)=1 | E(7)=1 | 1(6) | M(5)=? | 0(4) | Vm(3-0)
ASSERT(CpuFeatures::IsEnabled(VFP3));
emit(cond | 0xE*B24 |B23 | 0x3*B20 | B18 |
- src1.code()*B12 | 0x5*B9 | B8 | B6 | src2.code());
+ src1.code()*B12 | 0x5*B9 | B8 | B7 | B6 | src2.code());
}
@@ -2355,12 +2357,14 @@
const Condition cond) {
// vcmp(Dd, Dm) double precision floating point comparison.
// Instruction details available in ARM DDI 0406A, A8-570.
+ // We set bit E, as we want any NaN to set the cumulative exception flag
+ // in the FPSCR.
// cond(31-28) | 11101 (27-23)| D=?(22) | 11 (21-20) | 0101 (19-16) |
- // Vd(15-12) | 101(11-9) | sz(8)=1 | E(7)=? | 1(6) | M(5)=? | 0(4) | 0000(3-0)
+ // Vd(15-12) | 101(11-9) | sz(8)=1 | E(7)=1 | 1(6) | M(5)=? | 0(4) | 0000(3-0)
ASSERT(CpuFeatures::IsEnabled(VFP3));
ASSERT(src2 == 0.0);
emit(cond | 0xE*B24 |B23 | 0x3*B20 | B18 | B16 |
- src1.code()*B12 | 0x5*B9 | B8 | B6);
+ src1.code()*B12 | 0x5*B9 | B8 | B7 | B6);
}
diff --git a/src/arm/assembler-arm.h b/src/arm/assembler-arm.h
index cd7f07f..7e8c084 100644
--- a/src/arm/assembler-arm.h
+++ b/src/arm/assembler-arm.h
@@ -302,6 +302,8 @@
static const uint32_t kVFPRoundingModeMask = 3 << 22;
static const uint32_t kVFPFlushToZeroMask = 1 << 24;
static const uint32_t kVFPRoundToMinusInfinityBits = 2 << 22;
+static const uint32_t kVFPZConditionFlagBit = 1 << 30;
+static const uint32_t kVFPInvalidExceptionBit = 1;
// Coprocessor register
struct CRegister {
diff --git a/src/arm/code-stubs-arm.cc b/src/arm/code-stubs-arm.cc
index 577ac63..e72c5d3 100644
--- a/src/arm/code-stubs-arm.cc
+++ b/src/arm/code-stubs-arm.cc
@@ -2905,7 +2905,7 @@
const Register prototype = r4; // Prototype of the function.
const Register scratch = r2;
Label slow, loop, is_instance, is_not_instance, not_js_object;
- if (!args_in_registers()) {
+ if (!HasArgsInRegisters()) {
__ ldr(object, MemOperand(sp, 1 * kPointerSize));
__ ldr(function, MemOperand(sp, 0));
}
@@ -2923,7 +2923,7 @@
__ cmp(map, ip);
__ b(ne, &miss);
__ LoadRoot(r0, Heap::kInstanceofCacheAnswerRootIndex);
- __ Ret(args_in_registers() ? 0 : 2);
+ __ Ret(HasArgsInRegisters() ? 0 : 2);
__ bind(&miss);
__ TryGetFunctionPrototype(function, prototype, scratch, &slow);
@@ -2953,12 +2953,12 @@
__ bind(&is_instance);
__ mov(r0, Operand(Smi::FromInt(0)));
__ StoreRoot(r0, Heap::kInstanceofCacheAnswerRootIndex);
- __ Ret(args_in_registers() ? 0 : 2);
+ __ Ret(HasArgsInRegisters() ? 0 : 2);
__ bind(&is_not_instance);
__ mov(r0, Operand(Smi::FromInt(1)));
__ StoreRoot(r0, Heap::kInstanceofCacheAnswerRootIndex);
- __ Ret(args_in_registers() ? 0 : 2);
+ __ Ret(HasArgsInRegisters() ? 0 : 2);
Label object_not_null, object_not_null_or_smi;
__ bind(¬_js_object);
@@ -2972,25 +2972,25 @@
__ cmp(scratch, Operand(Factory::null_value()));
__ b(ne, &object_not_null);
__ mov(r0, Operand(Smi::FromInt(1)));
- __ Ret(args_in_registers() ? 0 : 2);
+ __ Ret(HasArgsInRegisters() ? 0 : 2);
__ bind(&object_not_null);
// Smi values are not instances of anything.
__ BranchOnNotSmi(object, &object_not_null_or_smi);
__ mov(r0, Operand(Smi::FromInt(1)));
- __ Ret(args_in_registers() ? 0 : 2);
+ __ Ret(HasArgsInRegisters() ? 0 : 2);
__ bind(&object_not_null_or_smi);
// String values are not instances of anything.
__ IsObjectJSStringType(object, scratch, &slow);
__ mov(r0, Operand(Smi::FromInt(1)));
- __ Ret(args_in_registers() ? 0 : 2);
+ __ Ret(HasArgsInRegisters() ? 0 : 2);
// Slow-case. Tail call builtin.
- if (args_in_registers()) {
+ __ bind(&slow);
+ if (HasArgsInRegisters()) {
__ Push(r0, r1);
}
- __ bind(&slow);
__ InvokeBuiltin(Builtins::INSTANCE_OF, JUMP_JS);
}
@@ -3016,7 +3016,7 @@
// through register r0. Use unsigned comparison to get negative
// check for free.
__ cmp(r1, r0);
- __ b(cs, &slow);
+ __ b(hs, &slow);
// Read the argument from the stack and return it.
__ sub(r3, r0, r1);
diff --git a/src/arm/codegen-arm.cc b/src/arm/codegen-arm.cc
index 4d061d2..d41c1d2 100644
--- a/src/arm/codegen-arm.cc
+++ b/src/arm/codegen-arm.cc
@@ -596,7 +596,7 @@
// When using lazy arguments allocation, we store the hole value
// as a sentinel indicating that the arguments object hasn't been
// allocated yet.
- frame_->EmitPushRoot(Heap::kTheHoleValueRootIndex);
+ frame_->EmitPushRoot(Heap::kArgumentsMarkerRootIndex);
} else {
frame_->SpillAll();
ArgumentsAccessStub stub(ArgumentsAccessStub::NEW_OBJECT);
@@ -623,7 +623,7 @@
// has a local variable named 'arguments'.
LoadFromSlot(scope()->arguments()->AsSlot(), NOT_INSIDE_TYPEOF);
Register arguments = frame_->PopToRegister();
- __ LoadRoot(ip, Heap::kTheHoleValueRootIndex);
+ __ LoadRoot(ip, Heap::kArgumentsMarkerRootIndex);
__ cmp(arguments, ip);
done.Branch(ne);
}
@@ -1748,7 +1748,7 @@
// named 'arguments' has been introduced.
JumpTarget slow;
Label done;
- __ LoadRoot(ip, Heap::kTheHoleValueRootIndex);
+ __ LoadRoot(ip, Heap::kArgumentsMarkerRootIndex);
__ cmp(ip, arguments_reg);
slow.Branch(ne);
@@ -3255,7 +3255,7 @@
// If the loaded value is the sentinel that indicates that we
// haven't loaded the arguments object yet, we need to do it now.
JumpTarget exit;
- __ LoadRoot(ip, Heap::kTheHoleValueRootIndex);
+ __ LoadRoot(ip, Heap::kArgumentsMarkerRootIndex);
__ cmp(tos, ip);
exit.Branch(ne);
frame_->Drop();
diff --git a/src/arm/full-codegen-arm.cc b/src/arm/full-codegen-arm.cc
index 0275730..338e39c 100644
--- a/src/arm/full-codegen-arm.cc
+++ b/src/arm/full-codegen-arm.cc
@@ -1,4 +1,4 @@
-// Copyright 2010 the V8 project authors. All rights reserved.
+// 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:
@@ -221,10 +221,17 @@
__ b(hs, &ok);
StackCheckStub stub;
__ CallStub(&stub);
+ // Record a mapping of this PC offset to the OSR id. This is used to find
+ // the AST id from the unoptimized code in order to use it as a key into
+ // the deoptimization input data found in the optimized code.
+ RecordStackCheck(stmt->OsrEntryId());
+
__ bind(&ok);
PrepareForBailoutForId(stmt->EntryId(), NO_REGISTERS);
+ // Record a mapping of the OSR id to this PC. This is used if the OSR
+ // entry becomes the target of a bailout. We don't expect it to be, but
+ // we want it to work if it is.
PrepareForBailoutForId(stmt->OsrEntryId(), NO_REGISTERS);
- RecordStackCheck(stmt->OsrEntryId());
}
diff --git a/src/arm/lithium-arm.cc b/src/arm/lithium-arm.cc
index 87efc92..e53e96d 100644
--- a/src/arm/lithium-arm.cc
+++ b/src/arm/lithium-arm.cc
@@ -1,4 +1,4 @@
-// Copyright 2010 the V8 project authors. All rights reserved.
+// 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:
@@ -472,151 +472,6 @@
}
-class LGapNode: public ZoneObject {
- public:
- explicit LGapNode(LOperand* operand)
- : operand_(operand), resolved_(false), visited_id_(-1) { }
-
- LOperand* operand() const { return operand_; }
- bool IsResolved() const { return !IsAssigned() || resolved_; }
- void MarkResolved() {
- ASSERT(!IsResolved());
- resolved_ = true;
- }
- int visited_id() const { return visited_id_; }
- void set_visited_id(int id) {
- ASSERT(id > visited_id_);
- visited_id_ = id;
- }
-
- bool IsAssigned() const { return assigned_from_.is_set(); }
- LGapNode* assigned_from() const { return assigned_from_.get(); }
- void set_assigned_from(LGapNode* n) { assigned_from_.set(n); }
-
- private:
- LOperand* operand_;
- SetOncePointer<LGapNode> assigned_from_;
- bool resolved_;
- int visited_id_;
-};
-
-
-LGapResolver::LGapResolver(const ZoneList<LMoveOperands>* moves,
- LOperand* marker_operand)
- : nodes_(4),
- identified_cycles_(4),
- result_(4),
- marker_operand_(marker_operand),
- next_visited_id_(0) {
- for (int i = 0; i < moves->length(); ++i) {
- LMoveOperands move = moves->at(i);
- if (!move.IsRedundant()) RegisterMove(move);
- }
-}
-
-
-const ZoneList<LMoveOperands>* LGapResolver::ResolveInReverseOrder() {
- for (int i = 0; i < identified_cycles_.length(); ++i) {
- ResolveCycle(identified_cycles_[i]);
- }
-
- int unresolved_nodes;
- do {
- unresolved_nodes = 0;
- for (int j = 0; j < nodes_.length(); j++) {
- LGapNode* node = nodes_[j];
- if (!node->IsResolved() && node->assigned_from()->IsResolved()) {
- AddResultMove(node->assigned_from(), node);
- node->MarkResolved();
- }
- if (!node->IsResolved()) ++unresolved_nodes;
- }
- } while (unresolved_nodes > 0);
- return &result_;
-}
-
-
-void LGapResolver::AddResultMove(LGapNode* from, LGapNode* to) {
- AddResultMove(from->operand(), to->operand());
-}
-
-
-void LGapResolver::AddResultMove(LOperand* from, LOperand* to) {
- result_.Add(LMoveOperands(from, to));
-}
-
-
-void LGapResolver::ResolveCycle(LGapNode* start) {
- ZoneList<LOperand*> circle_operands(8);
- circle_operands.Add(marker_operand_);
- LGapNode* cur = start;
- do {
- cur->MarkResolved();
- circle_operands.Add(cur->operand());
- cur = cur->assigned_from();
- } while (cur != start);
- circle_operands.Add(marker_operand_);
-
- for (int i = circle_operands.length() - 1; i > 0; --i) {
- LOperand* from = circle_operands[i];
- LOperand* to = circle_operands[i - 1];
- AddResultMove(from, to);
- }
-}
-
-
-bool LGapResolver::CanReach(LGapNode* a, LGapNode* b, int visited_id) {
- ASSERT(a != b);
- LGapNode* cur = a;
- while (cur != b && cur->visited_id() != visited_id && cur->IsAssigned()) {
- cur->set_visited_id(visited_id);
- cur = cur->assigned_from();
- }
-
- return cur == b;
-}
-
-
-bool LGapResolver::CanReach(LGapNode* a, LGapNode* b) {
- ASSERT(a != b);
- return CanReach(a, b, next_visited_id_++);
-}
-
-
-void LGapResolver::RegisterMove(LMoveOperands move) {
- if (move.from()->IsConstantOperand()) {
- // Constant moves should be last in the machine code. Therefore add them
- // first to the result set.
- AddResultMove(move.from(), move.to());
- } else {
- LGapNode* from = LookupNode(move.from());
- LGapNode* to = LookupNode(move.to());
- if (to->IsAssigned() && to->assigned_from() == from) {
- move.Eliminate();
- return;
- }
- ASSERT(!to->IsAssigned());
- if (CanReach(from, to)) {
- // This introduces a circle. Save.
- identified_cycles_.Add(from);
- }
- to->set_assigned_from(from);
- }
-}
-
-
-LGapNode* LGapResolver::LookupNode(LOperand* operand) {
- for (int i = 0; i < nodes_.length(); ++i) {
- if (nodes_[i]->operand()->Equals(operand)) return nodes_[i];
- }
-
- // No node found => create a new one.
- LGapNode* result = new LGapNode(operand);
- nodes_.Add(result);
- return result;
-}
-
-
Handle<Object> LChunk::LookupLiteral(LConstantOperand* operand) const {
return HConstant::cast(graph_->LookupValue(operand->index()))->handle();
}
@@ -1289,7 +1144,7 @@
LInstruction* LChunkBuilder::DoArgumentsLength(HArgumentsLength* length) {
- return DefineAsRegister(new LArgumentsLength(Use(length->value())));
+ return DefineAsRegister(new LArgumentsLength(UseRegister(length->value())));
}
@@ -1306,6 +1161,14 @@
}
+LInstruction* LChunkBuilder::DoInstanceOfKnownGlobal(
+ HInstanceOfKnownGlobal* instr) {
+ LInstruction* result =
+ new LInstanceOfKnownGlobal(UseFixed(instr->value(), r0));
+ return MarkAsCall(DefineFixed(result, r0), instr);
+}
+
+
LInstruction* LChunkBuilder::DoApplyArguments(HApplyArguments* instr) {
LOperand* function = UseFixed(instr->function(), r1);
LOperand* receiver = UseFixed(instr->receiver(), r0);
@@ -1674,7 +1537,7 @@
LInstruction* LChunkBuilder::DoBoundsCheck(HBoundsCheck* instr) {
return AssignEnvironment(new LBoundsCheck(UseRegisterAtStart(instr->index()),
- Use(instr->length())));
+ UseRegister(instr->length())));
}
@@ -1754,8 +1617,7 @@
LInstruction* LChunkBuilder::DoCheckInstanceType(HCheckInstanceType* instr) {
LOperand* value = UseRegisterAtStart(instr->value());
- LOperand* temp = TempRegister();
- LInstruction* result = new LCheckInstanceType(value, temp);
+ LInstruction* result = new LCheckInstanceType(value);
return AssignEnvironment(result);
}
@@ -1917,7 +1779,7 @@
LInstruction* LChunkBuilder::DoStoreNamedField(HStoreNamedField* instr) {
- bool needs_write_barrier = !instr->value()->type().IsSmi();
+ bool needs_write_barrier = instr->NeedsWriteBarrier();
LOperand* obj = needs_write_barrier
? UseTempRegister(instr->object())
@@ -1927,17 +1789,11 @@
? UseTempRegister(instr->value())
: UseRegister(instr->value());
- // We only need a scratch register if we have a write barrier or we
- // have a store into the properties array (not in-object-property).
- LOperand* temp = (!instr->is_in_object() || needs_write_barrier)
- ? TempRegister() : NULL;
-
return new LStoreNamedField(obj,
instr->name(),
val,
instr->is_in_object(),
instr->offset(),
- temp,
needs_write_barrier,
instr->transition());
}
@@ -2014,14 +1870,14 @@
LInstruction* LChunkBuilder::DoAccessArgumentsAt(HAccessArgumentsAt* instr) {
LOperand* arguments = UseRegister(instr->arguments());
LOperand* length = UseTempRegister(instr->length());
- LOperand* index = Use(instr->index());
+ LOperand* index = UseRegister(instr->index());
LInstruction* result = new LAccessArgumentsAt(arguments, length, index);
return DefineAsRegister(AssignEnvironment(result));
}
LInstruction* LChunkBuilder::DoTypeof(HTypeof* instr) {
- LInstruction* result = new LTypeof(Use(instr->value()));
+ LInstruction* result = new LTypeof(UseRegisterAtStart(instr->value()));
return MarkAsCall(DefineFixed(result, r0), instr);
}
diff --git a/src/arm/lithium-arm.h b/src/arm/lithium-arm.h
index 2f8cc1c..4ddb281 100644
--- a/src/arm/lithium-arm.h
+++ b/src/arm/lithium-arm.h
@@ -1,4 +1,4 @@
-// Copyright 2010 the V8 project authors. All rights reserved.
+// 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:
@@ -30,6 +30,7 @@
#include "hydrogen.h"
#include "lithium-allocator.h"
+#include "lithium.h"
#include "safepoint-table.h"
namespace v8 {
@@ -62,6 +63,7 @@
// LDivI
// LInstanceOf
// LInstanceOfAndBranch
+// LInstanceOfKnownGlobal
// LLoadKeyedFastElement
// LLoadKeyedGeneric
// LModI
@@ -204,6 +206,7 @@
V(Goto) \
V(InstanceOf) \
V(InstanceOfAndBranch) \
+ V(InstanceOfKnownGlobal) \
V(Integer32ToDouble) \
V(IsNull) \
V(IsNullAndBranch) \
@@ -329,32 +332,6 @@
};
-class LGapNode;
-
-
-class LGapResolver BASE_EMBEDDED {
- public:
- LGapResolver(const ZoneList<LMoveOperands>* moves, LOperand* marker_operand);
- const ZoneList<LMoveOperands>* ResolveInReverseOrder();
-
- private:
- LGapNode* LookupNode(LOperand* operand);
- bool CanReach(LGapNode* a, LGapNode* b, int visited_id);
- bool CanReach(LGapNode* a, LGapNode* b);
- void RegisterMove(LMoveOperands move);
- void AddResultMove(LOperand* from, LOperand* to);
- void AddResultMove(LGapNode* from, LGapNode* to);
- void ResolveCycle(LGapNode* start);
-
- ZoneList<LGapNode*> nodes_;
- ZoneList<LGapNode*> identified_cycles_;
- ZoneList<LMoveOperands> result_;
- LOperand* marker_operand_;
- int next_visited_id_;
- int bailout_after_ast_id_;
-};
-
-
class LParallelMove : public ZoneObject {
public:
LParallelMove() : move_operands_(4) { }
@@ -993,6 +970,19 @@
};
+class LInstanceOfKnownGlobal: public LUnaryOperation {
+ public:
+ explicit LInstanceOfKnownGlobal(LOperand* left)
+ : LUnaryOperation(left) { }
+
+ DECLARE_CONCRETE_INSTRUCTION(InstanceOfKnownGlobal,
+ "instance-of-known-global")
+ DECLARE_HYDROGEN_ACCESSOR(InstanceOfKnownGlobal)
+
+ Handle<JSFunction> function() const { return hydrogen()->function(); }
+};
+
+
class LBoundsCheck: public LBinaryOperation {
public:
LBoundsCheck(LOperand* index, LOperand* length)
@@ -1548,13 +1538,11 @@
LOperand* val,
bool in_object,
int offset,
- LOperand* temp,
bool needs_write_barrier,
Handle<Map> transition)
: LStoreNamed(obj, name, val),
is_in_object_(in_object),
offset_(offset),
- temp_(temp),
needs_write_barrier_(needs_write_barrier),
transition_(transition) { }
@@ -1562,7 +1550,6 @@
bool is_in_object() { return is_in_object_; }
int offset() { return offset_; }
- LOperand* temp() { return temp_; }
bool needs_write_barrier() { return needs_write_barrier_; }
Handle<Map> transition() const { return transition_; }
void set_transition(Handle<Map> map) { transition_ = map; }
@@ -1570,7 +1557,6 @@
private:
bool is_in_object_;
int offset_;
- LOperand* temp_;
bool needs_write_barrier_;
Handle<Map> transition_;
};
@@ -1638,8 +1624,7 @@
class LCheckInstanceType: public LUnaryOperation {
public:
- LCheckInstanceType(LOperand* use, LOperand* temp)
- : LUnaryOperation(use), temp_(temp) { }
+ explicit LCheckInstanceType(LOperand* use) : LUnaryOperation(use) { }
DECLARE_CONCRETE_INSTRUCTION(CheckInstanceType, "check-instance-type")
DECLARE_HYDROGEN_ACCESSOR(CheckInstanceType)
diff --git a/src/arm/lithium-codegen-arm.cc b/src/arm/lithium-codegen-arm.cc
index bb2461c..f53cebb 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/arm/lithium-codegen-arm.cc
@@ -1076,7 +1076,16 @@
EmitBranch(true_block, false_block, nz);
} else if (r.IsDouble()) {
DoubleRegister reg = ToDoubleRegister(instr->input());
+ Register scratch = scratch0();
+
+ // Test for the double value. Zero and NaN are false.
+ // Clear the Invalid cumulative exception flags.
+ __ ClearFPSCRBits(kVFPInvalidExceptionBit, scratch);
__ vcmp(reg, 0.0);
+ // Retrieve the exception and status flags and
+ // check for zero or an invalid exception.
+ __ vmrs(scratch);
+ __ tst(scratch, Operand(kVFPZConditionFlagBit | kVFPInvalidExceptionBit));
EmitBranch(true_block, false_block, ne);
} else {
ASSERT(r.IsTagged());
@@ -1103,7 +1112,7 @@
__ tst(reg, Operand(kSmiTagMask));
__ b(eq, true_label);
- // Test for double values. Zero is false.
+ // Test for double values. Zero and NaN are false.
Label call_stub;
DoubleRegister dbl_scratch = d0;
Register scratch = scratch0();
@@ -1113,8 +1122,14 @@
__ b(ne, &call_stub);
__ sub(ip, reg, Operand(kHeapObjectTag));
__ vldr(dbl_scratch, ip, HeapNumber::kValueOffset);
+ // Clear the Invalid cumulative exception flags.
+ __ ClearFPSCRBits(kVFPInvalidExceptionBit, scratch);
__ vcmp(dbl_scratch, 0.0);
- __ b(eq, false_label);
+ // Retrieve the exception and status flags and
+ // check for zero or an invalid exception.
+ __ vmrs(scratch);
+ __ tst(scratch, Operand(kVFPZConditionFlagBit | kVFPInvalidExceptionBit));
+ __ b(ne, false_label);
__ b(true_label);
// The conversion stub doesn't cause garbage collections so it's
@@ -1431,6 +1446,10 @@
}
+void LCodeGen::DoInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr) {
+ Abort("DoInstanceOfKnownGlobal unimplemented.");
+}
+
static Condition ComputeCompareCondition(Token::Value op) {
switch (op) {
@@ -1577,17 +1596,76 @@
void LCodeGen::DoLoadElements(LLoadElements* instr) {
- Abort("DoLoadElements unimplemented.");
+ ASSERT(instr->result()->Equals(instr->input()));
+ Register reg = ToRegister(instr->input());
+ Register scratch = scratch0();
+
+ __ ldr(reg, FieldMemOperand(reg, JSObject::kElementsOffset));
+ if (FLAG_debug_code) {
+ Label done;
+ __ ldr(scratch, FieldMemOperand(reg, HeapObject::kMapOffset));
+ __ LoadRoot(ip, Heap::kFixedArrayMapRootIndex);
+ __ cmp(scratch, ip);
+ __ b(eq, &done);
+ __ LoadRoot(ip, Heap::kFixedCOWArrayMapRootIndex);
+ __ cmp(scratch, ip);
+ __ Check(eq, "Check for fast elements failed.");
+ __ bind(&done);
+ }
}
void LCodeGen::DoAccessArgumentsAt(LAccessArgumentsAt* instr) {
- Abort("DoAccessArgumentsAt unimplemented.");
+ Register arguments = ToRegister(instr->arguments());
+ Register length = ToRegister(instr->length());
+ Register index = ToRegister(instr->index());
+ Register result = ToRegister(instr->result());
+
+ // Bailout index is not a valid argument index. Use unsigned check to get
+ // negative check for free.
+ __ sub(length, length, index, SetCC);
+ DeoptimizeIf(ls, instr->environment());
+
+ // There are two words between the frame pointer and the last argument.
+ // Subtracting from length accounts for one of them add one more.
+ __ add(length, length, Operand(1));
+ __ ldr(result, MemOperand(arguments, length, LSL, kPointerSizeLog2));
}
void LCodeGen::DoLoadKeyedFastElement(LLoadKeyedFastElement* instr) {
- Abort("DoLoadKeyedFastElement unimplemented.");
+ Register elements = ToRegister(instr->elements());
+ Register key = EmitLoadRegister(instr->key(), scratch0());
+ Register result;
+ Register scratch = scratch0();
+
+ if (instr->load_result() != NULL) {
+ result = ToRegister(instr->load_result());
+ } else {
+ result = ToRegister(instr->result());
+ ASSERT(result.is(elements));
+ }
+
+ // Load the result.
+ __ add(scratch, elements, Operand(key, LSL, kPointerSizeLog2));
+ __ ldr(result, FieldMemOperand(scratch, FixedArray::kHeaderSize));
+
+ Representation r = instr->hydrogen()->representation();
+ if (r.IsInteger32()) {
+ // Untag and check for smi.
+ __ SmiUntag(result);
+ DeoptimizeIf(cs, instr->environment());
+ } else if (r.IsDouble()) {
+ EmitNumberUntagD(result,
+ ToDoubleRegister(instr->result()),
+ instr->environment());
+ } else {
+ // Check for the hole value.
+ ASSERT(r.IsTagged());
+ __ LoadRoot(scratch, Heap::kTheHoleValueRootIndex);
+ __ cmp(result, scratch);
+ DeoptimizeIf(eq, instr->environment());
+ }
}
@@ -1601,12 +1679,41 @@
void LCodeGen::DoArgumentsElements(LArgumentsElements* instr) {
- Abort("DoArgumentsElements unimplemented.");
+ Register scratch = scratch0();
+ Register result = ToRegister(instr->result());
+
+ // Check if the calling frame is an arguments adaptor frame.
+ Label done, adapted;
+ __ ldr(scratch, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
+ __ ldr(result, MemOperand(scratch, StandardFrameConstants::kContextOffset));
+ __ cmp(result, Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
+
+ // Result is the frame pointer for the frame if not adapted and for the real
+ // frame below the adaptor frame if adapted.
+ __ mov(result, fp, LeaveCC, ne);
+ __ mov(result, scratch, LeaveCC, eq);
}
void LCodeGen::DoArgumentsLength(LArgumentsLength* instr) {
- Abort("DoArgumentsLength unimplemented.");
+ Register elem = ToRegister(instr->input());
+ Register result = ToRegister(instr->result());
+
+ Label done;
+
+ // If no arguments adaptor frame the number of arguments is fixed.
+ __ cmp(fp, elem);
+ __ mov(result, Operand(scope()->num_parameters()));
+ __ b(eq, &done);
+
+ // Arguments adaptor frame present. Get argument length from there.
+ __ ldr(result, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
+ __ ldr(result,
+ MemOperand(result, ArgumentsAdaptorFrameConstants::kLengthOffset));
+ __ SmiUntag(result);
+
+ // Argument length is in result register.
+ __ bind(&done);
}
@@ -1718,7 +1825,12 @@
void LCodeGen::DoCallKeyed(LCallKeyed* instr) {
- Abort("DoCallKeyed unimplemented.");
+ ASSERT(ToRegister(instr->result()).is(r0));
+
+ int arity = instr->arity();
+ Handle<Code> ic = StubCache::ComputeKeyedCallInitialize(arity, NOT_IN_LOOP);
+ CallCode(ic, RelocInfo::CODE_TARGET, instr);
+ __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
}
@@ -1746,7 +1858,13 @@
void LCodeGen::DoCallGlobal(LCallGlobal* instr) {
- Abort("DoCallGlobal unimplemented.");
+ ASSERT(ToRegister(instr->result()).is(r0));
+
+ int arity = instr->arity();
+ Handle<Code> ic = StubCache::ComputeCallInitialize(arity, NOT_IN_LOOP);
+ __ mov(r2, Operand(instr->name()));
+ CallCode(ic, RelocInfo::CODE_TARGET_CONTEXT, instr);
+ __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
}
@@ -1773,7 +1891,34 @@
void LCodeGen::DoStoreNamedField(LStoreNamedField* instr) {
- Abort("DoStoreNamedField unimplemented.");
+ Register object = ToRegister(instr->object());
+ Register value = ToRegister(instr->value());
+ Register scratch = scratch0();
+ int offset = instr->offset();
+
+ ASSERT(!object.is(value));
+
+ if (!instr->transition().is_null()) {
+ __ mov(scratch, Operand(instr->transition()));
+ __ str(scratch, FieldMemOperand(object, HeapObject::kMapOffset));
+ }
+
+ // Do the store.
+ if (instr->is_in_object()) {
+ __ str(value, FieldMemOperand(object, offset));
+ if (instr->needs_write_barrier()) {
+ // Update the write barrier for the object for in-object properties.
+ __ RecordWrite(object, Operand(offset), value, scratch);
+ }
+ } else {
+ __ ldr(scratch, FieldMemOperand(object, JSObject::kPropertiesOffset));
+ __ str(value, FieldMemOperand(scratch, offset));
+ if (instr->needs_write_barrier()) {
+ // Update the write barrier for the properties array.
+ // object is used as a scratch register.
+ __ RecordWrite(scratch, Operand(offset), value, object);
+ }
+ }
}
@@ -1789,13 +1934,34 @@
void LCodeGen::DoBoundsCheck(LBoundsCheck* instr) {
- __ cmp(ToRegister(instr->index()), ToOperand(instr->length()));
+ __ cmp(ToRegister(instr->index()), ToRegister(instr->length()));
DeoptimizeIf(hs, instr->environment());
}
void LCodeGen::DoStoreKeyedFastElement(LStoreKeyedFastElement* instr) {
- Abort("DoStoreKeyedFastElement unimplemented.");
+ Register value = ToRegister(instr->value());
+ Register elements = ToRegister(instr->object());
+ Register key = instr->key()->IsRegister() ? ToRegister(instr->key()) : no_reg;
+ Register scratch = scratch0();
+
+ // Do the store.
+ if (instr->key()->IsConstantOperand()) {
+ ASSERT(!instr->hydrogen()->NeedsWriteBarrier());
+ LConstantOperand* const_operand = LConstantOperand::cast(instr->key());
+ int offset =
+ ToInteger32(const_operand) * kPointerSize + FixedArray::kHeaderSize;
+ __ str(value, FieldMemOperand(elements, offset));
+ } else {
+ __ add(scratch, elements, Operand(key, LSL, kPointerSizeLog2));
+ __ str(value, FieldMemOperand(scratch, FixedArray::kHeaderSize));
+ }
+
+ if (instr->hydrogen()->NeedsWriteBarrier()) {
+ // Compute address of modified element and store it into key register.
+ __ add(key, scratch, Operand(FixedArray::kHeaderSize));
+ __ RecordWrite(elements, key, value);
+ }
}
@@ -1939,7 +2105,13 @@
void LCodeGen::DoSmiUntag(LSmiUntag* instr) {
- Abort("DoSmiUntag unimplemented.");
+ LOperand* input = instr->input();
+ ASSERT(input->IsRegister() && input->Equals(instr->result()));
+ if (instr->needs_check()) {
+ __ tst(ToRegister(input), Operand(kSmiTagMask));
+ DeoptimizeIf(ne, instr->environment());
+ }
+ __ SmiUntag(ToRegister(input));
}
@@ -2108,7 +2280,26 @@
void LCodeGen::DoCheckInstanceType(LCheckInstanceType* instr) {
- Abort("DoCheckInstanceType unimplemented.");
+ Register input = ToRegister(instr->input());
+ Register scratch = scratch0();
+ InstanceType first = instr->hydrogen()->first();
+ InstanceType last = instr->hydrogen()->last();
+
+ __ ldr(scratch, FieldMemOperand(input, HeapObject::kMapOffset));
+ __ ldrb(scratch, FieldMemOperand(scratch, Map::kInstanceTypeOffset));
+ __ cmp(scratch, Operand(first));
+
+ // If there is only one type in the interval check for equality.
+ if (first == last) {
+ DeoptimizeIf(ne, instr->environment());
+ } else {
+ DeoptimizeIf(lo, instr->environment());
+ // Omit check for the last type.
+ if (last != LAST_TYPE) {
+ __ cmp(scratch, Operand(last));
+ DeoptimizeIf(hi, instr->environment());
+ }
+ }
}
@@ -2218,22 +2409,108 @@
void LCodeGen::DoRegExpLiteral(LRegExpLiteral* instr) {
- Abort("DoRegExpLiteral unimplemented.");
+ Label materialized;
+ // Registers will be used as follows:
+ // r3 = JS function.
+ // r7 = literals array.
+ // r1 = regexp literal.
+ // r0 = regexp literal clone.
+ // r2 and r4-r6 are used as temporaries.
+ __ ldr(r3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
+ __ ldr(r7, FieldMemOperand(r3, JSFunction::kLiteralsOffset));
+ int literal_offset = FixedArray::kHeaderSize +
+ instr->hydrogen()->literal_index() * kPointerSize;
+ __ ldr(r1, FieldMemOperand(r7, literal_offset));
+ __ LoadRoot(ip, Heap::kUndefinedValueRootIndex);
+ __ cmp(r1, ip);
+ __ b(ne, &materialized);
+
+ // Create regexp literal using runtime function
+ // Result will be in r0.
+ __ mov(r6, Operand(Smi::FromInt(instr->hydrogen()->literal_index())));
+ __ mov(r5, Operand(instr->hydrogen()->pattern()));
+ __ mov(r4, Operand(instr->hydrogen()->flags()));
+ __ Push(r7, r6, r5, r4);
+ CallRuntime(Runtime::kMaterializeRegExpLiteral, 4, instr);
+ __ mov(r1, r0);
+
+ __ bind(&materialized);
+ int size = JSRegExp::kSize + JSRegExp::kInObjectFieldCount * kPointerSize;
+ Label allocated, runtime_allocate;
+
+ __ AllocateInNewSpace(size, r0, r2, r3, &runtime_allocate, TAG_OBJECT);
+ __ jmp(&allocated);
+
+ __ bind(&runtime_allocate);
+ __ mov(r0, Operand(Smi::FromInt(size)));
+ __ Push(r1, r0);
+ CallRuntime(Runtime::kAllocateInNewSpace, 1, instr);
+ __ pop(r1);
+
+ __ bind(&allocated);
+ // Copy the content into the newly allocated memory.
+ // (Unroll copy loop once for better throughput).
+ for (int i = 0; i < size - kPointerSize; i += 2 * kPointerSize) {
+ __ ldr(r3, FieldMemOperand(r1, i));
+ __ ldr(r2, FieldMemOperand(r1, i + kPointerSize));
+ __ str(r3, FieldMemOperand(r0, i));
+ __ str(r2, FieldMemOperand(r0, i + kPointerSize));
+ }
+ if ((size % (2 * kPointerSize)) != 0) {
+ __ ldr(r3, FieldMemOperand(r1, size - kPointerSize));
+ __ str(r3, FieldMemOperand(r0, size - kPointerSize));
+ }
}
void LCodeGen::DoFunctionLiteral(LFunctionLiteral* instr) {
- Abort("DoFunctionLiteral unimplemented.");
+ // Use the fast case closure allocation code that allocates in new
+ // space for nested functions that don't need literals cloning.
+ Handle<SharedFunctionInfo> shared_info = instr->shared_info();
+ bool pretenure = !instr->hydrogen()->pretenure();
+ if (shared_info->num_literals() == 0 && !pretenure) {
+ FastNewClosureStub stub;
+ __ mov(r1, Operand(shared_info));
+ __ push(r1);
+ CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
+ } else {
+ __ mov(r2, Operand(shared_info));
+ __ mov(r1, Operand(pretenure
+ ? Factory::true_value()
+ : Factory::false_value()));
+ __ Push(cp, r2, r1);
+ CallRuntime(Runtime::kNewClosure, 3, instr);
+ }
}
void LCodeGen::DoTypeof(LTypeof* instr) {
- Abort("DoTypeof unimplemented.");
+ Register input = ToRegister(instr->input());
+ __ push(input);
+ CallRuntime(Runtime::kTypeof, 1, instr);
}
void LCodeGen::DoTypeofIs(LTypeofIs* instr) {
- Abort("DoTypeofIs unimplemented.");
+ Register input = ToRegister(instr->input());
+ Register result = ToRegister(instr->result());
+ Label true_label;
+ Label false_label;
+ Label done;
+
+ Condition final_branch_condition = EmitTypeofIs(&true_label,
+ &false_label,
+ input,
+ instr->type_literal());
+ __ b(final_branch_condition, &true_label);
+ __ bind(&false_label);
+ __ LoadRoot(result, Heap::kFalseValueRootIndex);
+ __ b(&done);
+
+ __ bind(&true_label);
+ __ LoadRoot(result, Heap::kTrueValueRootIndex);
+
+ __ bind(&done);
}
diff --git a/src/arm/macro-assembler-arm.cc b/src/arm/macro-assembler-arm.cc
index 4a13146..5cba955 100644
--- a/src/arm/macro-assembler-arm.cc
+++ b/src/arm/macro-assembler-arm.cc
@@ -519,6 +519,13 @@
}
+void MacroAssembler::ClearFPSCRBits(uint32_t bits_to_clear, Register scratch) {
+ vmrs(scratch);
+ bic(scratch, scratch, Operand(bits_to_clear));
+ vmsr(scratch);
+}
+
+
void MacroAssembler::EnterFrame(StackFrame::Type type) {
// r0-r3: preserved
stm(db_w, sp, cp.bit() | fp.bit() | lr.bit());
@@ -1795,7 +1802,7 @@
}
#endif
// Disable stub call restrictions to always allow calls to abort.
- set_allow_stub_calls(true);
+ AllowStubCallsScope allow_scope(this, true);
mov(r0, Operand(p0));
push(r0);
diff --git a/src/arm/macro-assembler-arm.h b/src/arm/macro-assembler-arm.h
index 97bbb2f..02bc384 100644
--- a/src/arm/macro-assembler-arm.h
+++ b/src/arm/macro-assembler-arm.h
@@ -243,6 +243,9 @@
const MemOperand& dst,
Condition cond = al);
+ // Clear FPSCR bits.
+ void ClearFPSCRBits(uint32_t bits_to_clear, Register scratch);
+
// ---------------------------------------------------------------------------
// Activation frames
@@ -379,12 +382,13 @@
// ---------------------------------------------------------------------------
// Allocation support
- // Allocate an object in new space. The object_size is specified in words (not
- // bytes). If the new space is exhausted control continues at the gc_required
- // label. The allocated object is returned in result. If the flag
- // tag_allocated_object is true the result is tagged as as a heap object. All
- // registers are clobbered also when control continues at the gc_required
- // label.
+ // Allocate an object in new space. The object_size is specified
+ // either in bytes or in words if the allocation flag SIZE_IN_WORDS
+ // is passed. If the new space is exhausted control continues at the
+ // gc_required label. The allocated object is returned in result. If
+ // the flag tag_allocated_object is true the result is tagged as as
+ // a heap object. All registers are clobbered also when control
+ // continues at the gc_required label.
void AllocateInNewSpace(int object_size,
Register result,
Register scratch1,
diff --git a/src/arm/simulator-arm.cc b/src/arm/simulator-arm.cc
index 143b839..0065057 100644
--- a/src/arm/simulator-arm.cc
+++ b/src/arm/simulator-arm.cc
@@ -2600,11 +2600,6 @@
precision = kDoublePrecision;
}
- if (instr->Bit(7) != 0) {
- // Raising exceptions for quiet NaNs are not supported.
- UNIMPLEMENTED(); // Not used by V8.
- }
-
int d = instr->VFPDRegCode(precision);
int m = 0;
if (instr->Opc2Field() == 0x4) {
@@ -2618,6 +2613,13 @@
dm_value = get_double_from_d_register(m);
}
+ // Raise exceptions for quiet NaNs if necessary.
+ if (instr->Bit(7) == 1) {
+ if (isnan(dd_value)) {
+ inv_op_vfp_flag_ = true;
+ }
+ }
+
Compute_FPSCR_Flags(dd_value, dm_value);
} else {
UNIMPLEMENTED(); // Not used by V8.
diff --git a/src/array.js b/src/array.js
index 0f1e969..56f5254 100644
--- a/src/array.js
+++ b/src/array.js
@@ -121,37 +121,49 @@
if (IS_STRING(e)) return e;
return convert(e);
}
+ return '';
}
// Construct an array for the elements.
- var elements;
+ var elements = new $Array(length);
var elements_length = 0;
// We pull the empty separator check outside the loop for speed!
if (separator.length == 0) {
- elements = new $Array(length);
for (var i = 0; i < length; i++) {
var e = array[i];
- if (!IS_UNDEFINED(e) || (i in array)) {
+ if (!IS_UNDEFINED(e)) {
if (!IS_STRING(e)) e = convert(e);
elements[elements_length++] = e;
}
}
- } else {
- elements = new $Array(length << 1);
- for (var i = 0; i < length; i++) {
- var e = array[i];
- if (i != 0) elements[elements_length++] = separator;
- if (!IS_UNDEFINED(e) || (i in array)) {
- if (!IS_STRING(e)) e = convert(e);
- elements[elements_length++] = e;
- }
+ elements.length = elements_length;
+ var result = %_FastAsciiArrayJoin(elements, '');
+ if (!IS_UNDEFINED(result)) return result;
+ return %StringBuilderConcat(elements, elements_length, '');
+ }
+ // Non-empty separator.
+ for (var i = 0; i < length; i++) {
+ var e = array[i];
+ if (!IS_UNDEFINED(e)) {
+ if (!IS_STRING(e)) e = convert(e);
+ elements[i] = e;
+ } else {
+ elements[i] = '';
}
}
- elements.length = elements_length;
- var result = %_FastAsciiArrayJoin(elements, "");
- if (!IS_UNDEFINED(result)) return result;
- return %StringBuilderConcat(elements, elements_length, '');
+ var result = %_FastAsciiArrayJoin(elements, separator);
+ if (!IS_UNDEFINED(result)) return result;
+
+ var length2 = (length << 1) - 1;
+ var j = length2;
+ var i = length;
+ elements[--j] = elements[--i];
+ while (i > 0) {
+ elements[--j] = separator;
+ elements[--j] = elements[--i];
+ }
+ return %StringBuilderConcat(elements, length2, '');
} finally {
// Make sure to pop the visited array no matter what happens.
if (is_array) visited_arrays.pop();
@@ -160,7 +172,7 @@
function ConvertToString(x) {
- if (IS_STRING(x)) return x;
+ // Assumes x is a non-string.
if (IS_NUMBER(x)) return %_NumberToString(x);
if (IS_BOOLEAN(x)) return x ? 'true' : 'false';
return (IS_NULL_OR_UNDEFINED(x)) ? '' : %ToString(%DefaultString(x));
diff --git a/src/assembler.cc b/src/assembler.cc
index eeb8412..e8bcd91 100644
--- a/src/assembler.cc
+++ b/src/assembler.cc
@@ -647,6 +647,11 @@
}
+ExternalReference ExternalReference::arguments_marker_location() {
+ return ExternalReference(Factory::arguments_marker().location());
+}
+
+
ExternalReference ExternalReference::roots_address() {
return ExternalReference(Heap::roots_address());
}
diff --git a/src/assembler.h b/src/assembler.h
index b68ad38..0219de2 100644
--- a/src/assembler.h
+++ b/src/assembler.h
@@ -512,6 +512,9 @@
// Static variable Factory::the_hole_value.location()
static ExternalReference the_hole_value_location();
+ // Static variable Factory::arguments_marker.location()
+ static ExternalReference arguments_marker_location();
+
// Static variable Heap::roots_address()
static ExternalReference roots_address();
diff --git a/src/code-stubs.cc b/src/code-stubs.cc
index 1b0d8b0..ba027e9 100644
--- a/src/code-stubs.cc
+++ b/src/code-stubs.cc
@@ -49,8 +49,10 @@
void CodeStub::GenerateCode(MacroAssembler* masm) {
// Update the static counter each time a new code stub is generated.
Counters::code_stubs.Increment();
+
// Nested stubs are not allowed for leafs.
- masm->set_allow_stub_calls(AllowsStubCalls());
+ AllowStubCallsScope allow_scope(masm, AllowsStubCalls());
+
// Generate the code for the stub.
masm->set_generating_stub(true);
Generate(masm);
@@ -197,4 +199,34 @@
}
+const char* InstanceofStub::GetName() {
+ if (name_ != NULL) return name_;
+ const int kMaxNameLength = 100;
+ name_ = Bootstrapper::AllocateAutoDeletedArray(kMaxNameLength);
+ if (name_ == NULL) return "OOM";
+
+ const char* args = "";
+ if (HasArgsInRegisters()) {
+ args = "_REGS";
+ }
+
+ const char* inline_check = "";
+ if (HasCallSiteInlineCheck()) {
+ inline_check = "_INLINE";
+ }
+
+ const char* return_true_false_object = "";
+ if (ReturnTrueFalseObject()) {
+ return_true_false_object = "_TRUEFALSE";
+ }
+
+ OS::SNPrintF(Vector<char>(name_, kMaxNameLength),
+ "InstanceofStub%s%s%s",
+ args,
+ inline_check,
+ return_true_false_object);
+ return name_;
+}
+
+
} } // namespace v8::internal
diff --git a/src/code-stubs.h b/src/code-stubs.h
index b7804b7..76f29f0 100644
--- a/src/code-stubs.h
+++ b/src/code-stubs.h
@@ -1,4 +1,4 @@
-// Copyright 2006-2008 the V8 project authors. All rights reserved.
+// 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:
@@ -34,7 +34,7 @@
namespace internal {
// List of code stubs used on all platforms. The order in this list is important
-// as only the stubs up to and including RecordWrite allows nested stub calls.
+// as only the stubs up to and including Instanceof allows nested stub calls.
#define CODE_STUB_LIST_ALL_PLATFORMS(V) \
V(CallFunction) \
V(GenericBinaryOp) \
@@ -48,7 +48,7 @@
V(CompareIC) \
V(MathPow) \
V(TranscendentalCache) \
- V(RecordWrite) \
+ V(Instanceof) \
V(ConvertToDouble) \
V(WriteInt32ToHeapNumber) \
V(IntegerMod) \
@@ -59,7 +59,6 @@
V(GenericUnaryOp) \
V(RevertToNumber) \
V(ToBoolean) \
- V(Instanceof) \
V(CounterOp) \
V(ArgumentsAccess) \
V(RegExpExec) \
@@ -180,7 +179,7 @@
MajorKeyBits::encode(MajorKey());
}
- bool AllowsStubCalls() { return MajorKey() <= RecordWrite; }
+ bool AllowsStubCalls() { return MajorKey() <= Instanceof; }
class MajorKeyBits: public BitField<uint32_t, 0, kMajorBits> {};
class MinorKeyBits: public BitField<uint32_t, kMajorBits, kMinorBits> {};
@@ -327,22 +326,38 @@
public:
enum Flags {
kNoFlags = 0,
- kArgsInRegisters = 1 << 0
+ kArgsInRegisters = 1 << 0,
+ kCallSiteInlineCheck = 1 << 1,
+ kReturnTrueFalseObject = 1 << 2
};
- explicit InstanceofStub(Flags flags) : flags_(flags) { }
+ explicit InstanceofStub(Flags flags) : flags_(flags), name_(NULL) { }
+
+ static Register left();
+ static Register right();
void Generate(MacroAssembler* masm);
private:
Major MajorKey() { return Instanceof; }
- int MinorKey() { return args_in_registers() ? 1 : 0; }
+ int MinorKey() { return static_cast<int>(flags_); }
- bool args_in_registers() {
+ bool HasArgsInRegisters() const {
return (flags_ & kArgsInRegisters) != 0;
}
+ bool HasCallSiteInlineCheck() const {
+ return (flags_ & kCallSiteInlineCheck) != 0;
+ }
+
+ bool ReturnTrueFalseObject() const {
+ return (flags_ & kReturnTrueFalseObject) != 0;
+ }
+
+ const char* GetName();
+
Flags flags_;
+ char* name_;
};
@@ -707,6 +722,10 @@
void Generate(MacroAssembler* masm);
+ static int ExtractArgcFromMinorKey(int minor_key) {
+ return ArgcBits::decode(minor_key);
+ }
+
private:
int argc_;
InLoopFlag in_loop_;
@@ -738,11 +757,6 @@
bool ReceiverMightBeValue() {
return (flags_ & RECEIVER_MIGHT_BE_VALUE) != 0;
}
-
- public:
- static int ExtractArgcFromMinorKey(int minor_key) {
- return ArgcBits::decode(minor_key);
- }
};
@@ -902,6 +916,24 @@
DISALLOW_COPY_AND_ASSIGN(StringCharAtGenerator);
};
+
+class AllowStubCallsScope {
+ public:
+ AllowStubCallsScope(MacroAssembler* masm, bool allow)
+ : masm_(masm), previous_allow_(masm->allow_stub_calls()) {
+ masm_->set_allow_stub_calls(allow);
+ }
+ ~AllowStubCallsScope() {
+ masm_->set_allow_stub_calls(previous_allow_);
+ }
+
+ private:
+ MacroAssembler* masm_;
+ bool previous_allow_;
+
+ DISALLOW_COPY_AND_ASSIGN(AllowStubCallsScope);
+};
+
} } // namespace v8::internal
#endif // V8_CODE_STUBS_H_
diff --git a/src/d8.js b/src/d8.js
index a758e09..b0edb70 100644
--- a/src/d8.js
+++ b/src/d8.js
@@ -110,17 +110,32 @@
const kNoFrame = -1;
Debug.State = {
currentFrame: kNoFrame,
+ displaySourceStartLine: -1,
+ displaySourceEndLine: -1,
currentSourceLine: -1
}
var trace_compile = false; // Tracing all compile events?
+var trace_debug_json = false; // Tracing all debug json packets?
+var last_cmd_line = '';
+var repeat_cmd_line = '';
+var is_running = true;
+
+// Copied from debug-delay.js. This is needed below:
+function ScriptTypeFlag(type) {
+ return (1 << type);
+}
// Process a debugger JSON message into a display text and a running status.
// This function returns an object with properties "text" and "running" holding
// this information.
function DebugMessageDetails(message) {
+ if (trace_debug_json) {
+ print("received: '" + message + "'");
+ }
// Convert the JSON string to an object.
var response = new ProtocolPackage(message);
+ is_running = response.running();
if (response.type() == 'event') {
return DebugEventDetails(response);
@@ -161,6 +176,8 @@
result += '\n';
result += SourceUnderline(body.sourceLineText, body.sourceColumn);
Debug.State.currentSourceLine = body.sourceLine;
+ Debug.State.displaySourceStartLine = -1;
+ Debug.State.displaySourceEndLine = -1;
Debug.State.currentFrame = 0;
details.text = result;
break;
@@ -180,10 +197,14 @@
result += '\n';
result += SourceUnderline(body.sourceLineText, body.sourceColumn);
Debug.State.currentSourceLine = body.sourceLine;
+ Debug.State.displaySourceStartLine = -1;
+ Debug.State.displaySourceEndLine = -1;
Debug.State.currentFrame = 0;
} else {
result += ' (empty stack)';
Debug.State.currentSourceLine = -1;
+ Debug.State.displaySourceStartLine = -1;
+ Debug.State.displaySourceEndLine = -1;
Debug.State.currentFrame = kNoFrame;
}
details.text = result;
@@ -202,6 +223,10 @@
details.text = result;
break;
+ case 'scriptCollected':
+ details.text = result;
+ break;
+
default:
details.text = 'Unknown debug event ' + response.event();
}
@@ -254,7 +279,11 @@
// Converts a text command to a JSON request.
function DebugCommandToJSONRequest(cmd_line) {
- return new DebugRequest(cmd_line).JSONRequest();
+ var result = new DebugRequest(cmd_line).JSONRequest();
+ if (trace_debug_json && result) {
+ print("sending: '" + result + "'");
+ }
+ return result;
};
@@ -266,6 +295,20 @@
return;
}
+ // Check for a simple carriage return to repeat the last command:
+ var is_repeating = false;
+ if (cmd_line == '\n') {
+ if (is_running) {
+ cmd_line = 'break'; // Not in debugger mode, break with a frame request.
+ } else {
+ cmd_line = repeat_cmd_line; // use command to repeat.
+ is_repeating = true;
+ }
+ }
+ if (!is_running) { // Only save the command if in debugger mode.
+ repeat_cmd_line = cmd_line; // save last command.
+ }
+
// Trim string for leading and trailing whitespace.
cmd_line = cmd_line.replace(/^\s+|\s+$/g, '');
@@ -281,6 +324,13 @@
args = cmd_line.slice(pos).replace(/^\s+|\s+$/g, '');
}
+ if ((cmd === undefined) || !cmd) {
+ this.request_ = void 0;
+ return;
+ }
+
+ last_cmd = cmd;
+
// Switch on command.
switch (cmd) {
case 'continue':
@@ -290,7 +340,22 @@
case 'step':
case 's':
- this.request_ = this.stepCommandToJSONRequest_(args);
+ this.request_ = this.stepCommandToJSONRequest_(args, 'in');
+ break;
+
+ case 'stepi':
+ case 'si':
+ this.request_ = this.stepCommandToJSONRequest_(args, 'min');
+ break;
+
+ case 'next':
+ case 'n':
+ this.request_ = this.stepCommandToJSONRequest_(args, 'next');
+ break;
+
+ case 'finish':
+ case 'fin':
+ this.request_ = this.stepCommandToJSONRequest_(args, 'out');
break;
case 'backtrace':
@@ -311,6 +376,26 @@
this.request_ = this.scopeCommandToJSONRequest_(args);
break;
+ case 'disconnect':
+ case 'exit':
+ case 'quit':
+ this.request_ = this.disconnectCommandToJSONRequest_(args);
+ break;
+
+ case 'up':
+ this.request_ =
+ this.frameCommandToJSONRequest_('' +
+ (Debug.State.currentFrame + 1));
+ break;
+
+ case 'down':
+ case 'do':
+ this.request_ =
+ this.frameCommandToJSONRequest_('' +
+ (Debug.State.currentFrame - 1));
+ break;
+
+ case 'set':
case 'print':
case 'p':
this.request_ = this.printCommandToJSONRequest_(args);
@@ -328,11 +413,17 @@
this.request_ = this.instancesCommandToJSONRequest_(args);
break;
+ case 'list':
+ case 'l':
+ this.request_ = this.listCommandToJSONRequest_(args);
+ break;
case 'source':
this.request_ = this.sourceCommandToJSONRequest_(args);
break;
case 'scripts':
+ case 'script':
+ case 'scr':
this.request_ = this.scriptsCommandToJSONRequest_(args);
break;
@@ -347,6 +438,8 @@
break;
case 'clear':
+ case 'delete':
+ case 'd':
this.request_ = this.clearCommandToJSONRequest_(args);
break;
@@ -354,7 +447,42 @@
this.request_ = this.threadsCommandToJSONRequest_(args);
break;
+ case 'cond':
+ this.request_ = this.changeBreakpointCommandToJSONRequest_(args, 'cond');
+ break;
+
+ case 'enable':
+ case 'en':
+ this.request_ =
+ this.changeBreakpointCommandToJSONRequest_(args, 'enable');
+ break;
+
+ case 'disable':
+ case 'dis':
+ this.request_ =
+ this.changeBreakpointCommandToJSONRequest_(args, 'disable');
+ break;
+
+ case 'ignore':
+ this.request_ =
+ this.changeBreakpointCommandToJSONRequest_(args, 'ignore');
+ break;
+
+ case 'info':
+ case 'inf':
+ this.request_ = this.infoCommandToJSONRequest_(args);
+ break;
+
+ case 'flags':
+ this.request_ = this.v8FlagsToJSONRequest_(args);
+ break;
+
+ case 'gc':
+ this.request_ = this.gcToJSONRequest_(args);
+ break;
+
case 'trace':
+ case 'tr':
// Return undefined to indicate command handled internally (no JSON).
this.request_ = void 0;
this.traceCommand_(args);
@@ -370,8 +498,6 @@
default:
throw new Error('Unknown command "' + cmd + '"');
}
-
- last_cmd = cmd;
}
DebugRequest.prototype.JSONRequest = function() {
@@ -465,59 +591,73 @@
// Create a JSON request for the step command.
-DebugRequest.prototype.stepCommandToJSONRequest_ = function(args) {
+DebugRequest.prototype.stepCommandToJSONRequest_ = function(args, type) {
// Requesting a step is through the continue command with additional
// arguments.
var request = this.createRequest('continue');
request.arguments = {};
// Process arguments if any.
+
+ // Only process args if the command is 'step' which is indicated by type being
+ // set to 'in'. For all other commands, ignore the args.
if (args && args.length > 0) {
- args = args.split(/\s*[ ]+\s*/g);
+ args = args.split(/\s+/g);
if (args.length > 2) {
throw new Error('Invalid step arguments.');
}
if (args.length > 0) {
- // Get step count argument if any.
- if (args.length == 2) {
- var stepcount = parseInt(args[1]);
- if (isNaN(stepcount) || stepcount <= 0) {
- throw new Error('Invalid step count argument "' + args[0] + '".');
+ // Check if we have a gdb stype step command. If so, the 1st arg would
+ // be the step count. If it's not a number, then assume that we're
+ // parsing for the legacy v8 step command.
+ var stepcount = Number(args[0]);
+ if (stepcount == Number.NaN) {
+ // No step count at arg 1. Process as legacy d8 step command:
+ if (args.length == 2) {
+ var stepcount = parseInt(args[1]);
+ if (isNaN(stepcount) || stepcount <= 0) {
+ throw new Error('Invalid step count argument "' + args[0] + '".');
+ }
+ request.arguments.stepcount = stepcount;
}
+
+ // Get the step action.
+ switch (args[0]) {
+ case 'in':
+ case 'i':
+ request.arguments.stepaction = 'in';
+ break;
+
+ case 'min':
+ case 'm':
+ request.arguments.stepaction = 'min';
+ break;
+
+ case 'next':
+ case 'n':
+ request.arguments.stepaction = 'next';
+ break;
+
+ case 'out':
+ case 'o':
+ request.arguments.stepaction = 'out';
+ break;
+
+ default:
+ throw new Error('Invalid step argument "' + args[0] + '".');
+ }
+
+ } else {
+ // gdb style step commands:
+ request.arguments.stepaction = type;
request.arguments.stepcount = stepcount;
}
-
- // Get the step action.
- switch (args[0]) {
- case 'in':
- case 'i':
- request.arguments.stepaction = 'in';
- break;
-
- case 'min':
- case 'm':
- request.arguments.stepaction = 'min';
- break;
-
- case 'next':
- case 'n':
- request.arguments.stepaction = 'next';
- break;
-
- case 'out':
- case 'o':
- request.arguments.stepaction = 'out';
- break;
-
- default:
- throw new Error('Invalid step argument "' + args[0] + '".');
- }
}
} else {
- // Default is step next.
- request.arguments.stepaction = 'next';
+ // Default is step of the specified type.
+ request.arguments.stepaction = type;
}
return request.toJSONProtocol();
@@ -648,6 +788,41 @@
};
+// Create a JSON request for the list command.
+DebugRequest.prototype.listCommandToJSONRequest_ = function(args) {
+
+ // Default is ten lines starting five lines before the current location.
+ if (Debug.State.displaySourceEndLine == -1) {
+ // If we list forwards, we will start listing after the last source end
+ // line. Set it to start from 5 lines before the current location.
+ Debug.State.displaySourceEndLine = Debug.State.currentSourceLine - 5;
+ // If we list backwards, we will start listing backwards from the last
+ // source start line. Set it to start from 1 lines before the current
+ // location.
+ Debug.State.displaySourceStartLine = Debug.State.currentSourceLine + 1;
+ }
+
+ var from = Debug.State.displaySourceEndLine + 1;
+ var lines = 10;
+
+ // Parse the arguments.
+ args = args.split(/\s*,\s*/g);
+ if (args == '') {
+ } else if ((args.length == 1) && (args[0] == '-')) {
+ from = Debug.State.displaySourceStartLine - lines;
+ } else if (args.length == 2) {
+ from = parseInt(args[0]);
+ lines = parseInt(args[1]) - from + 1; // inclusive of the ending line.
+ } else {
+ throw new Error('Invalid list arguments.');
+ }
+ Debug.State.displaySourceStartLine = from;
+ Debug.State.displaySourceEndLine = from + lines - 1;
+ var sourceArgs = '' + from + ' ' + lines;
+ return this.sourceCommandToJSONRequest_(sourceArgs);
+};
+
+
// Create a JSON request for the source command.
DebugRequest.prototype.sourceCommandToJSONRequest_ = function(args) {
// Build a evaluate request from the text command.
@@ -709,7 +884,10 @@
break;
default:
- throw new Error('Invalid argument "' + args[0] + '".');
+ // If the arg is not one of the know one aboves, then it must be a
+ // filter used for filtering the results:
+ request.arguments.filter = args[0];
+ break;
}
}
@@ -731,6 +909,8 @@
var request = this.createRequest('setbreakpoint');
+ // Break the args into target spec and condition if appropriate.
+
// Check for breakpoint condition.
pos = args.indexOf(' ');
if (pos > 0) {
@@ -801,6 +981,178 @@
};
+// Create a JSON request for the change breakpoint command.
+DebugRequest.prototype.changeBreakpointCommandToJSONRequest_ =
+ function(args, command) {
+
+ var request;
+
+ // Check for exception breaks first:
+ // en[able] exc[eptions] [all|unc[aught]]
+ // en[able] [all|unc[aught]] exc[eptions]
+ // dis[able] exc[eptions] [all|unc[aught]]
+ // dis[able] [all|unc[aught]] exc[eptions]
+ if ((command == 'enable' || command == 'disable') &&
+ args && args.length > 1) {
+ var nextPos = args.indexOf(' ');
+ var arg1 = (nextPos > 0) ? args.substring(0, nextPos) : args;
+ var excType = null;
+
+ // Check for:
+ // en[able] exc[eptions] [all|unc[aught]]
+ // dis[able] exc[eptions] [all|unc[aught]]
+ if (arg1 == 'exc' || arg1 == 'exception' || arg1 == 'exceptions') {
+
+ var arg2 = (nextPos > 0) ?
+ args.substring(nextPos + 1, args.length) : 'all';
+ if (!arg2) {
+ arg2 = 'all'; // if unspecified, set for all.
+ } if (arg2 == 'unc') { // check for short cut.
+ arg2 = 'uncaught';
+ }
+ excType = arg2;
+
+ // Check for:
+ // en[able] [all|unc[aught]] exc[eptions]
+ // dis[able] [all|unc[aught]] exc[eptions]
+ } else if (arg1 == 'all' || arg1 == 'unc' || arg1 == 'uncaught') {
+
+ var arg2 = (nextPos > 0) ?
+ args.substring(nextPos + 1, args.length) : null;
+ if (arg2 == 'exc' || arg1 == 'exception' || arg1 == 'exceptions') {
+ excType = arg1;
+ if (excType == 'unc') {
+ excType = 'uncaught';
+ }
+ }
+ }
+
+ // If we matched one of the command formats, then excType will be non-null:
+ if (excType) {
+ // Build a evaluate request from the text command.
+ request = this.createRequest('setexceptionbreak');
+
+ request.arguments = {};
+ request.arguments.type = excType;
+ request.arguments.enabled = (command == 'enable');
+
+ return request.toJSONProtocol();
+ }
+ }
+
+ // Build a evaluate request from the text command.
+ request = this.createRequest('changebreakpoint');
+
+ // Process arguments if any.
+ if (args && args.length > 0) {
+ request.arguments = {};
+ var pos = args.indexOf(' ');
+ var breakpointArg = args;
+ var otherArgs;
+ if (pos > 0) {
+ breakpointArg = args.substring(0, pos);
+ otherArgs = args.substring(pos + 1, args.length);
+ }
+
+ request.arguments.breakpoint = parseInt(breakpointArg);
+
+ switch(command) {
+ case 'cond':
+ request.arguments.condition = otherArgs ? otherArgs : null;
+ break;
+ case 'enable':
+ request.arguments.enabled = true;
+ break;
+ case 'disable':
+ request.arguments.enabled = false;
+ break;
+ case 'ignore':
+ request.arguments.ignoreCount = parseInt(otherArgs);
+ break;
+ default:
+ throw new Error('Invalid arguments.');
+ }
+ } else {
+ throw new Error('Invalid arguments.');
+ }
+
+ return request.toJSONProtocol();
+};
+
+
+// Create a JSON request for the disconnect command.
+DebugRequest.prototype.disconnectCommandToJSONRequest_ = function(args) {
+ var request;
+ request = this.createRequest('disconnect');
+ return request.toJSONProtocol();
+};
+
+
+// Create a JSON request for the info command.
+DebugRequest.prototype.infoCommandToJSONRequest_ = function(args) {
+ var request;
+ if (args && (args == 'break' || args == 'br')) {
+ // Build a evaluate request from the text command.
+ request = this.createRequest('listbreakpoints');
+ last_cmd = 'info break';
+ } else if (args && (args == 'locals' || args == 'lo')) {
+ // Build a evaluate request from the text command.
+ request = this.createRequest('frame');
+ last_cmd = 'info locals';
+ } else if (args && (args == 'args' || args == 'ar')) {
+ // Build a evaluate request from the text command.
+ request = this.createRequest('frame');
+ last_cmd = 'info args';
+ } else {
+ throw new Error('Invalid info arguments.');
+ }
+
+ return request.toJSONProtocol();
+};
+
+
+DebugRequest.prototype.v8FlagsToJSONRequest_ = function(args) {
+ var request;
+ request = this.createRequest('v8flags');
+ request.arguments = {};
+ request.arguments.flags = args;
+ return request.toJSONProtocol();
+};
+
+
+DebugRequest.prototype.gcToJSONRequest_ = function(args) {
+ var request;
+ if (!args) {
+ args = 'all';
+ }
+ var args = args.split(/\s+/g);
+ var cmd = args[0];
+
+ switch(cmd) {
+ case 'all':
+ case 'quick':
+ case 'full':
+ case 'young':
+ case 'old':
+ case 'compact':
+ case 'sweep':
+ case 'scavenge': {
+ if (cmd == 'young') { cmd = 'quick'; }
+ else if (cmd == 'old') { cmd = 'full'; }
+
+ request = this.createRequest('gc');
+ request.arguments = {};
+ request.arguments.type = cmd;
+ break;
+ }
+ // Else fall thru to the default case below to report the error.
+ default:
+ throw new Error('Missing arguments after ' + cmd + '.');
+ }
+ return request.toJSONProtocol();
+};
+
+
// Create a JSON request for the threads command.
DebugRequest.prototype.threadsCommandToJSONRequest_ = function(args) {
// Build a threads request from the text command.
@@ -816,6 +1168,10 @@
if (args == 'compile') {
trace_compile = !trace_compile;
print('Tracing of compiled scripts ' + (trace_compile ? 'on' : 'off'));
+ } else if (args === 'debug json' || args === 'json' || args === 'packets') {
+ trace_debug_json = !trace_debug_json;
+ print('Tracing of debug json packets ' +
+ (trace_debug_json ? 'on' : 'off'));
} else {
throw new Error('Invalid trace arguments.');
}
@@ -831,24 +1187,63 @@
print('warning: arguments to \'help\' are ignored');
}
- print('break');
- print('break location [condition]');
- print(' break on named function: location is a function name');
- print(' break on function: location is #<id>#');
- print(' break on script position: location is name:line[:column]');
- print('clear <breakpoint #>');
- print('backtrace [n] | [-n] | [from to]');
- print('frame <frame #>');
+ print('Note: <> denotes symbollic values to be replaced with real values.');
+ print('Note: [] denotes optional parts of commands, or optional options / arguments.');
+ print(' e.g. d[elete] - you get the same command if you type d or delete.');
+ print('');
+ print('[break] - break as soon as possible');
+ print('b[reak] location [condition]');
+ print(' - break on named function: location is a function name');
+ print(' - break on function: location is #<id>#');
+ print(' - break on script position: location is name:line[:column]');
+ print('');
+ print('clear <breakpoint #> - deletes the specified user defined breakpoint');
+ print('d[elete] <breakpoint #> - deletes the specified user defined breakpoint');
+ print('dis[able] <breakpoint #> - disables the specified user defined breakpoint');
+ print('dis[able] exc[eptions] [[all] | unc[aught]]');
+ print(' - disables breaking on exceptions');
+ print('en[able] <breakpoint #> - enables the specified user defined breakpoint');
+ print('en[able] exc[eptions] [[all] | unc[aught]]');
+ print(' - enables breaking on exceptions');
+ print('');
+ print('b[ack]t[race] [n] | [-n] | [from to]');
+ print(' - prints the stack back trace');
+ print('f[rame] - prints info about the current frame context');
+ print('f[rame] <frame #> - set context to specified frame #');
print('scopes');
print('scope <scope #>');
+ print('');
+ print('up - set context to caller of current frame');
+ print('do[wn] - set context to callee of current frame');
+ print('inf[o] br[eak] - prints info about breakpoints in use');
+ print('inf[o] ar[gs] - prints info about arguments of the current function');
+ print('inf[o] lo[cals] - prints info about locals in the current function');
+ print('inf[o] liveobjectlist|lol - same as \'lol info\'');
+ print('');
print('step [in | next | out| min [step count]]');
- print('print <expression>');
- print('dir <expression>');
+ print('c[ontinue] - continue executing after a breakpoint');
+ print('s[tep] [<N>] - step into the next N callees (default N is 1)');
+ print('s[tep]i [<N>] - step into the next N callees (default N is 1)');
+ print('n[ext] [<N>] - step over the next N callees (default N is 1)');
+ print('fin[ish] [<N>] - step out of N frames (default N is 1)');
+ print('');
+ print('p[rint] <expression> - prints the result of the specified expression');
+ print('dir <expression> - prints the object structure of the result');
+ print('set <var> = <expression> - executes the specified statement');
+ print('');
+ print('l[ist] - list the source code around for the current pc');
+ print('l[ist] [- | <start>,<end>] - list the specified range of source code');
print('source [from line [num lines]]');
- print('scripts');
- print('continue');
+ print('scr[ipts] [native|extensions|all]');
+ print('scr[ipts] [<filter text>] - list scripts with the specified text in its description');
+ print('');
+ print('gc - runs the garbage collector');
+ print('');
print('trace compile');
- print('help');
+ // hidden command: trace debug json - toggles tracing of debug json packets
+ print('');
+ print('disconnect|exit|quit - disconnects and quits the debugger');
+ print('help - prints this help information');
}
@@ -930,6 +1325,27 @@
}
+function refObjectToString_(protocolPackage, handle) {
+ var value = protocolPackage.lookup(handle);
+ var result = '';
+ if (value.isString()) {
+ result = '"' + value.value() + '"';
+ } else if (value.isPrimitive()) {
+ result = value.valueString();
+ } else if (value.isObject()) {
+ result += formatObject_(value, true);
+ }
+ return result;
+}
+
+
+// Rounds number 'num' to 'length' decimal places.
+function roundNumber(num, length) {
+ var factor = Math.pow(10, length);
+ return Math.round(num * factor) / factor;
+}
+
+
// Convert a JSON response to text for display in a text based debugger.
function DebugResponseDetails(response) {
details = {text:'', running:false}
@@ -962,6 +1378,11 @@
details.text = result;
break;
+ case 'changebreakpoint':
+ result = 'successfully changed breakpoint';
+ details.text = result;
+ break;
+
case 'listbreakpoints':
result = 'breakpoints: (' + body.breakpoints.length + ')';
for (var i = 0; i < body.breakpoints.length; i++) {
@@ -974,9 +1395,9 @@
if (breakpoint.script_name) {
result += ' script_name=' + breakpoint.script_name;
}
- result += ' line=' + breakpoint.line;
+ result += ' line=' + (breakpoint.line + 1);
if (breakpoint.column != null) {
- result += ' column=' + breakpoint.column;
+ result += ' column=' + (breakpoint.column + 1);
}
if (breakpoint.groupId) {
result += ' groupId=' + breakpoint.groupId;
@@ -992,6 +1413,24 @@
}
result += ' hit_count=' + breakpoint.hit_count;
}
+ if (body.breakpoints.length === 0) {
+ result = "No user defined breakpoints\n";
+ } else {
+ result += '\n';
+ }
+ if (body.breakOnExceptions) {
+ result += '* breaking on ALL exceptions is enabled\n';
+ } else if (body.breakOnUncaughtExceptions) {
+ result += '* breaking on UNCAUGHT exceptions is enabled\n';
+ } else {
+ result += '* all exception breakpoints are disabled\n';
+ }
+ details.text = result;
+ break;
+
+ case 'setexceptionbreak':
+ result = 'Break on ' + body.type + ' exceptions: ';
+ result += body.enabled ? 'enabled' : 'disabled';
details.text = result;
break;
@@ -1010,10 +1449,39 @@
break;
case 'frame':
- details.text = SourceUnderline(body.sourceLineText,
- body.column);
- Debug.State.currentSourceLine = body.line;
- Debug.State.currentFrame = body.index;
+ if (last_cmd === 'info locals') {
+ var locals = body.locals;
+ if (locals.length === 0) {
+ result = 'No locals';
+ } else {
+ for (var i = 0; i < locals.length; i++) {
+ var local = locals[i];
+ result += local.name + ' = ';
+ result += refObjectToString_(response, local.value.ref);
+ result += '\n';
+ }
+ }
+ } else if (last_cmd === 'info args') {
+ var args = body.arguments;
+ if (args.length === 0) {
+ result = 'No arguments';
+ } else {
+ for (var i = 0; i < args.length; i++) {
+ var arg = args[i];
+ result += arg.name + ' = ';
+ result += refObjectToString_(response, arg.value.ref);
+ result += '\n';
+ }
+ }
+ } else {
+ result = SourceUnderline(body.sourceLineText,
+ body.column);
+ Debug.State.currentSourceLine = body.line;
+ Debug.State.currentFrame = body.index;
+ Debug.State.displaySourceStartLine = -1;
+ Debug.State.displaySourceEndLine = -1;
+ }
+ details.text = result;
break;
case 'scopes':
@@ -1132,7 +1600,9 @@
if (body[i].name) {
result += body[i].name;
} else {
- if (body[i].compilationType == Debug.ScriptCompilationType.Eval) {
+ if (body[i].compilationType == Debug.ScriptCompilationType.Eval
+ && body[i].evalFromScript
+ ) {
result += 'eval from ';
var script_value = response.lookup(body[i].evalFromScript.ref);
result += ' ' + script_value.field('name');
@@ -1162,6 +1632,9 @@
result += sourceStart;
result += ']';
}
+ if (body.length == 0) {
+ result = "no matching scripts found";
+ }
details.text = result;
break;
@@ -1181,6 +1654,23 @@
details.text = "(running)";
break;
+ case 'v8flags':
+ details.text = "flags set";
+ break;
+
+ case 'gc':
+ details.text = "GC " + body.before + " => " + body.after;
+ if (body.after > (1024*1024)) {
+ details.text +=
+ " (" + roundNumber(body.before/(1024*1024), 1) + "M => " +
+ roundNumber(body.after/(1024*1024), 1) + "M)";
+ } else if (body.after > 1024) {
+ details.text +=
+ " (" + roundNumber(body.before/1024, 1) + "K => " +
+ roundNumber(body.after/1024, 1) + "K)";
+ }
+ break;
+
default:
details.text =
'Response for unknown command \'' + response.command() + '\'' +
@@ -1467,6 +1957,11 @@
}
+ProtocolValue.prototype.valueString = function() {
+ return this.value_.text;
+}
+
+
function ProtocolReference(handle) {
this.handle_ = handle;
}
@@ -1613,7 +2108,9 @@
var property_value_json;
switch (typeof property_value) {
case 'object':
- if (typeof property_value.toJSONProtocol == 'function') {
+ if (property_value === null) {
+ property_value_json = 'null';
+ } else if (typeof property_value.toJSONProtocol == 'function') {
property_value_json = property_value.toJSONProtocol(true)
} else if (property_value.constructor.name == 'Array'){
property_value_json = SimpleArrayToJSON_(property_value);
diff --git a/src/debug-agent.cc b/src/debug-agent.cc
index e2d9304..6901079 100644
--- a/src/debug-agent.cc
+++ b/src/debug-agent.cc
@@ -27,9 +27,11 @@
#include "v8.h"
+#include "debug.h"
#include "debug-agent.h"
#ifdef ENABLE_DEBUGGER_SUPPORT
+
namespace v8 {
namespace internal {
@@ -167,22 +169,33 @@
while (true) {
// Read data from the debugger front end.
SmartPointer<char> message = DebuggerAgentUtil::ReceiveMessage(client_);
- if (*message == NULL) {
- // Session is closed.
- agent_->OnSessionClosed(this);
- return;
+
+ const char* msg = *message;
+ bool is_closing_session = (msg == NULL);
+
+ if (msg == NULL) {
+ // If we lost the connection, then simulate a disconnect msg:
+ msg = "{\"seq\":1,\"type\":\"request\",\"command\":\"disconnect\"}";
+
+ } else {
+ // Check if we're getting a disconnect request:
+ const char* disconnectRequestStr =
+ "\"type\":\"request\",\"command\":\"disconnect\"}";
+ const char* result = strstr(msg, disconnectRequestStr);
+ if (result != NULL) {
+ is_closing_session = true;
+ }
}
// Convert UTF-8 to UTF-16.
- unibrow::Utf8InputBuffer<> buf(*message,
- StrLength(*message));
+ unibrow::Utf8InputBuffer<> buf(msg, StrLength(msg));
int len = 0;
while (buf.has_more()) {
buf.GetNext();
len++;
}
ScopedVector<int16_t> temp(len + 1);
- buf.Reset(*message, StrLength(*message));
+ buf.Reset(msg, StrLength(msg));
for (int i = 0; i < len; i++) {
temp[i] = buf.GetNext();
}
@@ -190,6 +203,12 @@
// Send the request received to the debugger.
v8::Debug::SendCommand(reinterpret_cast<const uint16_t *>(temp.start()),
len);
+
+ if (is_closing_session) {
+ // Session is closed.
+ agent_->OnSessionClosed(this);
+ return;
+ }
}
}
diff --git a/src/debug-debugger.js b/src/debug-debugger.js
index 090c661..dcff07c 100644
--- a/src/debug-debugger.js
+++ b/src/debug-debugger.js
@@ -654,13 +654,19 @@
Debug.enableBreakPoint = function(break_point_number) {
var break_point = this.findBreakPoint(break_point_number, false);
- break_point.enable();
+ // Only enable if the breakpoint hasn't been deleted:
+ if (break_point) {
+ break_point.enable();
+ }
};
Debug.disableBreakPoint = function(break_point_number) {
var break_point = this.findBreakPoint(break_point_number, false);
- break_point.disable();
+ // Only enable if the breakpoint hasn't been deleted:
+ if (break_point) {
+ break_point.disable();
+ }
};
@@ -701,6 +707,17 @@
};
+Debug.disableAllBreakPoints = function() {
+ // Disable all user defined breakpoints:
+ for (var i = 1; i < next_break_point_number; i++) {
+ Debug.disableBreakPoint(i);
+ }
+ // Disable all exception breakpoints:
+ %ChangeBreakOnException(Debug.ExceptionBreak.Caught, false);
+ %ChangeBreakOnException(Debug.ExceptionBreak.Uncaught, false);
+};
+
+
Debug.findScriptBreakPoint = function(break_point_number, remove) {
var script_break_point;
for (var i = 0; i < script_break_points.length; i++) {
@@ -1341,6 +1358,10 @@
this.clearBreakPointRequest_(request, response);
} else if (request.command == 'clearbreakpointgroup') {
this.clearBreakPointGroupRequest_(request, response);
+ } else if (request.command == 'disconnect') {
+ this.disconnectRequest_(request, response);
+ } else if (request.command == 'setexceptionbreak') {
+ this.setExceptionBreakRequest_(request, response);
} else if (request.command == 'listbreakpoints') {
this.listBreakpointsRequest_(request, response);
} else if (request.command == 'backtrace') {
@@ -1373,6 +1394,13 @@
this.changeLiveRequest_(request, response);
} else if (request.command == 'flags') {
this.debuggerFlagsRequest_(request, response);
+ } else if (request.command == 'v8flags') {
+ this.v8FlagsRequest_(request, response);
+
+ // GC tools:
+ } else if (request.command == 'gc') {
+ this.gcRequest_(request, response);
+
} else {
throw new Error('Unknown command "' + request.command + '" in request');
}
@@ -1690,7 +1718,63 @@
array.push(description);
}
- response.body = { breakpoints: array }
+ response.body = {
+ breakpoints: array,
+ breakOnExceptions: Debug.isBreakOnException(),
+ breakOnUncaughtExceptions: Debug.isBreakOnUncaughtException()
+ }
+}
+
+
+DebugCommandProcessor.prototype.disconnectRequest_ =
+ function(request, response) {
+ Debug.disableAllBreakPoints();
+ this.continueRequest_(request, response);
+}
+
+
+DebugCommandProcessor.prototype.setExceptionBreakRequest_ =
+ function(request, response) {
+ // Check for legal request.
+ if (!request.arguments) {
+ response.failed('Missing arguments');
+ return;
+ }
+
+ // Pull out and check the 'type' argument:
+ var type = request.arguments.type;
+ if (!type) {
+ response.failed('Missing argument "type"');
+ return;
+ }
+
+ // Initialize the default value of enable:
+ var enabled;
+ if (type == 'all') {
+ enabled = !Debug.isBreakOnException();
+ } else if (type == 'uncaught') {
+ enabled = !Debug.isBreakOnUncaughtException();
+ }
+
+ // Pull out and check the 'enabled' argument if present:
+ if (!IS_UNDEFINED(request.arguments.enabled)) {
+ enabled = request.arguments.enabled;
+ if ((enabled != true) && (enabled != false)) {
+ response.failed('Illegal value for "enabled":"' + enabled + '"');
+ }
+ }
+
+ // Now set the exception break state:
+ if (type == 'all') {
+ %ChangeBreakOnException(Debug.ExceptionBreak.Caught, enabled);
+ } else if (type == 'uncaught') {
+ %ChangeBreakOnException(Debug.ExceptionBreak.Uncaught, enabled);
+ } else {
+ response.failed('Unknown "type":"' + type + '"');
+ }
+
+ // Add the cleared break point number to the response.
+ response.body = { 'type': type, 'enabled': enabled };
}
@@ -2047,6 +2131,16 @@
idsToInclude[ids[i]] = true;
}
}
+
+ var filterStr = null;
+ var filterNum = null;
+ if (!IS_UNDEFINED(request.arguments.filter)) {
+ var num = %ToNumber(request.arguments.filter);
+ if (!isNaN(num)) {
+ filterNum = num;
+ }
+ filterStr = request.arguments.filter;
+ }
}
// Collect all scripts in the heap.
@@ -2058,6 +2152,21 @@
if (idsToInclude && !idsToInclude[scripts[i].id]) {
continue;
}
+ if (filterStr || filterNum) {
+ var script = scripts[i];
+ var found = false;
+ if (filterNum && !found) {
+ if (script.id && script.id === filterNum) {
+ found = true;
+ }
+ }
+ if (filterStr && !found) {
+ if (script.name && script.name.indexOf(filterStr) >= 0) {
+ found = true;
+ }
+ }
+ if (!found) continue;
+ }
if (types & ScriptTypeFlag(scripts[i].type)) {
response.body.push(MakeMirror(scripts[i]));
}
@@ -2196,6 +2305,27 @@
}
+DebugCommandProcessor.prototype.v8FlagsRequest_ = function(request, response) {
+ var flags = request.arguments.flags;
+ if (!flags) flags = '';
+ %SetFlags(flags);
+};
+
+
+DebugCommandProcessor.prototype.gcRequest_ = function(request, response) {
+ var type = request.arguments.type;
+ if (!type) type = 'all';
+
+ var before = %GetHeapUsage();
+ %CollectGarbage(type);
+ var after = %GetHeapUsage();
+
+ response.body = { "before": before, "after": after };
+};
+
+
+
+
// Check whether the previously processed command caused the VM to become
// running.
DebugCommandProcessor.prototype.isRunning = function() {
diff --git a/src/debug.cc b/src/debug.cc
index c41e545..8ec77e7 100644
--- a/src/debug.cc
+++ b/src/debug.cc
@@ -622,7 +622,7 @@
// Default call debugger on uncaught exception.
bool Debug::break_on_exception_ = false;
-bool Debug::break_on_uncaught_exception_ = true;
+bool Debug::break_on_uncaught_exception_ = false;
Handle<Context> Debug::debug_context_ = Handle<Context>();
Code* Debug::debug_break_return_ = NULL;
@@ -2740,8 +2740,10 @@
}
if (Socket::Setup()) {
- agent_ = new DebuggerAgent(name, port);
- agent_->Start();
+ if (agent_ == NULL) {
+ agent_ = new DebuggerAgent(name, port);
+ agent_->Start();
+ }
return true;
}
diff --git a/src/debug.h b/src/debug.h
index 0d63085..85c4d53 100644
--- a/src/debug.h
+++ b/src/debug.h
@@ -32,6 +32,7 @@
#include "debug-agent.h"
#include "execution.h"
#include "factory.h"
+#include "flags.h"
#include "hashmap.h"
#include "platform.h"
#include "string-stream.h"
@@ -772,6 +773,15 @@
}
}
+ if (((event == v8::BeforeCompile) || (event == v8::AfterCompile)) &&
+ !FLAG_debug_compile_events) {
+ return false;
+
+ } else if ((event == v8::ScriptCollected) &&
+ !FLAG_debug_script_collected_events) {
+ return false;
+ }
+
// Currently argument event is not used.
return !compiling_natives_ && Debugger::IsDebuggerActive();
}
diff --git a/src/deoptimizer.cc b/src/deoptimizer.cc
index 185ff92..a3d2002 100644
--- a/src/deoptimizer.cc
+++ b/src/deoptimizer.cc
@@ -618,17 +618,17 @@
}
case Translation::ARGUMENTS_OBJECT: {
- // Use the hole value as a sentinel and fill in the arguments object
- // after the deoptimized frame is built.
+ // Use the arguments marker value as a sentinel and fill in the arguments
+ // object after the deoptimized frame is built.
ASSERT(frame_index == 0); // Only supported for first frame.
if (FLAG_trace_deopt) {
PrintF(" 0x%08" V8PRIxPTR ": [top + %d] <- ",
output_[frame_index]->GetTop() + output_offset,
output_offset);
- Heap::the_hole_value()->ShortPrint();
+ Heap::arguments_marker()->ShortPrint();
PrintF(" ; arguments object\n");
}
- intptr_t value = reinterpret_cast<intptr_t>(Heap::the_hole_value());
+ intptr_t value = reinterpret_cast<intptr_t>(Heap::arguments_marker());
output_[frame_index]->SetFrameSlot(output_offset, value);
return;
}
diff --git a/src/disassembler.cc b/src/disassembler.cc
index bb0a072..194a299 100644
--- a/src/disassembler.cc
+++ b/src/disassembler.cc
@@ -1,4 +1,4 @@
-// Copyright 2010 the V8 project authors. All rights reserved.
+// 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:
@@ -268,10 +268,13 @@
Code::Kind2String(kind),
CodeStub::MajorName(major_key, false));
switch (major_key) {
- case CodeStub::CallFunction:
- out.AddFormatted("argc = %d", minor_key);
+ case CodeStub::CallFunction: {
+ int argc =
+ CallFunctionStub::ExtractArgcFromMinorKey(minor_key);
+ out.AddFormatted("argc = %d", argc);
break;
- default:
+ }
+ default:
out.AddFormatted("minor: %d", minor_key);
}
}
diff --git a/src/flag-definitions.h b/src/flag-definitions.h
index 2b24d13..6e73258 100644
--- a/src/flag-definitions.h
+++ b/src/flag-definitions.h
@@ -355,6 +355,16 @@
DEFINE_args(js_arguments, JSArguments(),
"Pass all remaining arguments to the script. Alias for \"--\".")
+#if defined(WEBOS__)
+DEFINE_bool(debug_compile_events, false, "Enable debugger compile events")
+DEFINE_bool(debug_script_collected_events, false,
+ "Enable debugger script collected events")
+#else
+DEFINE_bool(debug_compile_events, true, "Enable debugger compile events")
+DEFINE_bool(debug_script_collected_events, true,
+ "Enable debugger script collected events")
+#endif
+
//
// Debug only flags
//
diff --git a/src/handles.cc b/src/handles.cc
index 68c61b5..461c3f5 100644
--- a/src/handles.cc
+++ b/src/handles.cc
@@ -280,13 +280,13 @@
}
-Handle<Object> IgnoreAttributesAndSetLocalProperty(
+Handle<Object> SetLocalPropertyIgnoreAttributes(
Handle<JSObject> object,
Handle<String> key,
Handle<Object> value,
PropertyAttributes attributes) {
CALL_HEAP_FUNCTION(object->
- IgnoreAttributesAndSetLocalProperty(*key, *value, attributes), Object);
+ SetLocalPropertyIgnoreAttributes(*key, *value, attributes), Object);
}
@@ -422,6 +422,15 @@
}
+Handle<Object> SetOwnElement(Handle<JSObject> object,
+ uint32_t index,
+ Handle<Object> value) {
+ ASSERT(!object->HasPixelElements());
+ ASSERT(!object->HasExternalArrayElements());
+ CALL_HEAP_FUNCTION(object->SetElement(index, *value, false), Object);
+}
+
+
Handle<JSObject> Copy(Handle<JSObject> obj) {
CALL_HEAP_FUNCTION(Heap::CopyJSObject(*obj), JSObject);
}
diff --git a/src/handles.h b/src/handles.h
index 8fd25dc..aa9d8b9 100644
--- a/src/handles.h
+++ b/src/handles.h
@@ -217,9 +217,10 @@
Handle<Object> ForceDeleteProperty(Handle<JSObject> object,
Handle<Object> key);
-Handle<Object> IgnoreAttributesAndSetLocalProperty(Handle<JSObject> object,
- Handle<String> key,
- Handle<Object> value,
+Handle<Object> SetLocalPropertyIgnoreAttributes(
+ Handle<JSObject> object,
+ Handle<String> key,
+ Handle<Object> value,
PropertyAttributes attributes);
Handle<Object> SetPropertyWithInterceptor(Handle<JSObject> object,
@@ -231,6 +232,10 @@
uint32_t index,
Handle<Object> value);
+Handle<Object> SetOwnElement(Handle<JSObject> object,
+ uint32_t index,
+ Handle<Object> value);
+
Handle<Object> GetProperty(Handle<JSObject> obj,
const char* name);
diff --git a/src/heap-inl.h b/src/heap-inl.h
index e7700e9..7b91e87 100644
--- a/src/heap-inl.h
+++ b/src/heap-inl.h
@@ -521,10 +521,6 @@
CALL_AND_RETRY(FUNCTION_CALL, return, return)
-#define CALL_HEAP_FUNCTION_INLINE(FUNCTION_CALL) \
- CALL_AND_RETRY(FUNCTION_CALL, break, break)
-
-
#ifdef DEBUG
inline bool Heap::allow_allocation(bool new_state) {
diff --git a/src/heap.cc b/src/heap.cc
index 44229f0..5832ccb 100644
--- a/src/heap.cc
+++ b/src/heap.cc
@@ -2011,6 +2011,12 @@
}
set_the_hole_value(obj);
+ { MaybeObject* maybe_obj = CreateOddball("arguments_marker",
+ Smi::FromInt(-4));
+ if (!maybe_obj->ToObject(&obj)) return false;
+ }
+ set_arguments_marker(obj);
+
{ MaybeObject* maybe_obj =
CreateOddball("no_interceptor_result_sentinel", Smi::FromInt(-2));
if (!maybe_obj->ToObject(&obj)) return false;
diff --git a/src/heap.h b/src/heap.h
index 3ceefd8..25384d2 100644
--- a/src/heap.h
+++ b/src/heap.h
@@ -53,6 +53,7 @@
V(Object, null_value, NullValue) \
V(Object, true_value, TrueValue) \
V(Object, false_value, FalseValue) \
+ V(Object, arguments_marker, ArgumentsMarker) \
V(Map, heap_number_map, HeapNumberMap) \
V(Map, global_context_map, GlobalContextMap) \
V(Map, fixed_array_map, FixedArrayMap) \
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index a3c23c6..f7eb173 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -73,6 +73,7 @@
// HCompare
// HCompareJSObjectEq
// HInstanceOf
+// HInstanceOfKnownGlobal
// HLoadKeyed
// HLoadKeyedFastElement
// HLoadKeyedGeneric
@@ -210,6 +211,7 @@
V(GlobalReceiver) \
V(Goto) \
V(InstanceOf) \
+ V(InstanceOfKnownGlobal) \
V(IsNull) \
V(IsObject) \
V(IsSmi) \
@@ -2262,6 +2264,28 @@
};
+class HInstanceOfKnownGlobal: public HUnaryOperation {
+ public:
+ HInstanceOfKnownGlobal(HValue* left, Handle<JSFunction> right)
+ : HUnaryOperation(left), function_(right) {
+ set_representation(Representation::Tagged());
+ SetFlagMask(AllSideEffects());
+ }
+
+ Handle<JSFunction> function() { return function_; }
+
+ virtual Representation RequiredInputRepresentation(int index) const {
+ return Representation::Tagged();
+ }
+
+ DECLARE_CONCRETE_INSTRUCTION(InstanceOfKnownGlobal,
+ "instance_of_known_global")
+
+ private:
+ Handle<JSFunction> function_;
+};
+
+
class HPower: public HBinaryOperation {
public:
HPower(HValue* left, HValue* right)
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index fbe4cd7..0d92b2e 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -4879,7 +4879,40 @@
TypeInfo info = oracle()->CompareType(expr, TypeFeedbackOracle::RESULT);
HInstruction* instr = NULL;
if (op == Token::INSTANCEOF) {
- instr = new HInstanceOf(left, right);
+ // Check to see if the rhs of the instanceof is a global function not
+ // residing in new space. If it is we assume that the function will stay the
+ // same.
+ Handle<JSFunction> target = Handle<JSFunction>::null();
+ Variable* var = expr->right()->AsVariableProxy()->AsVariable();
+ bool global_function = (var != NULL) && var->is_global() && !var->is_this();
+ CompilationInfo* info = graph()->info();
+ if (global_function &&
+ info->has_global_object() &&
+ !info->global_object()->IsAccessCheckNeeded()) {
+ Handle<String> name = var->name();
+ Handle<GlobalObject> global(info->global_object());
+ LookupResult lookup;
+ global->Lookup(*name, &lookup);
+ if (lookup.IsProperty() &&
+ lookup.type() == NORMAL &&
+ lookup.GetValue()->IsJSFunction()) {
+ Handle<JSFunction> candidate(JSFunction::cast(lookup.GetValue()));
+ // If the function is in new space we assume it's more likely to
+ // change and thus prefer the general IC code.
+ if (!Heap::InNewSpace(*candidate)) {
+ target = candidate;
+ }
+ }
+ }
+
+ // If the target is not null we have found a known global function that is
+ // assumed to stay the same for this instanceof.
+ if (target.is_null()) {
+ instr = new HInstanceOf(left, right);
+ } else {
+ AddInstruction(new HCheckFunction(right, target));
+ instr = new HInstanceOfKnownGlobal(left, target);
+ }
} else if (op == Token::IN) {
BAILOUT("Unsupported comparison: in");
} else if (info.IsNonPrimitive()) {
diff --git a/src/ia32/code-stubs-ia32.cc b/src/ia32/code-stubs-ia32.cc
index bd95c8d..91fb050 100644
--- a/src/ia32/code-stubs-ia32.cc
+++ b/src/ia32/code-stubs-ia32.cc
@@ -1772,7 +1772,6 @@
}
-
void TypeRecordingBinaryOpStub::GenerateStringStub(MacroAssembler* masm) {
Label call_runtime;
ASSERT(operands_type_ == TRBinaryOpIC::STRING);
@@ -4973,7 +4972,26 @@
}
+// Generate stub code for instanceof.
+// This code can patch a call site inlined cache of the instance of check,
+// which looks like this.
+//
+// 81 ff XX XX XX XX cmp edi, <the hole, patched to a map>
+// 75 0a jne <some near label>
+// b8 XX XX XX XX mov eax, <the hole, patched to either true or false>
+//
+// If call site patching is requested the stack will have the delta from the
+// return address to the cmp instruction just below the return address. This
+// also means that call site patching can only take place with arguments in
+// registers. TOS looks like this when call site patching is requested
+//
+// esp[0] : return address
+// esp[4] : delta from return address to cmp instruction
+//
void InstanceofStub::Generate(MacroAssembler* masm) {
+ // Call site inlining and patching implies arguments in registers.
+ ASSERT(HasArgsInRegisters() || !HasCallSiteInlineCheck());
+
// Fixed register usage throughout the stub.
Register object = eax; // Object (lhs).
Register map = ebx; // Map of the object.
@@ -4981,9 +4999,22 @@
Register prototype = edi; // Prototype of the function.
Register scratch = ecx;
+ // Constants describing the call site code to patch.
+ static const int kDeltaToCmpImmediate = 2;
+ static const int kDeltaToMov = 8;
+ static const int kDeltaToMovImmediate = 9;
+ static const int8_t kCmpEdiImmediateByte1 = BitCast<int8_t, uint8_t>(0x81);
+ static const int8_t kCmpEdiImmediateByte2 = BitCast<int8_t, uint8_t>(0xff);
+ static const int8_t kMovEaxImmediateByte = BitCast<int8_t, uint8_t>(0xb8);
+
+ ExternalReference roots_address = ExternalReference::roots_address();
+
+ ASSERT_EQ(object.code(), InstanceofStub::left().code());
+ ASSERT_EQ(function.code(), InstanceofStub::right().code());
+
// Get the object and function - they are always both needed.
Label slow, not_js_object;
- if (!args_in_registers()) {
+ if (!HasArgsInRegisters()) {
__ mov(object, Operand(esp, 2 * kPointerSize));
__ mov(function, Operand(esp, 1 * kPointerSize));
}
@@ -4993,22 +5024,26 @@
__ j(zero, ¬_js_object, not_taken);
__ IsObjectJSObjectType(object, map, scratch, ¬_js_object);
- // Look up the function and the map in the instanceof cache.
- NearLabel miss;
- ExternalReference roots_address = ExternalReference::roots_address();
- __ mov(scratch, Immediate(Heap::kInstanceofCacheFunctionRootIndex));
- __ cmp(function,
- Operand::StaticArray(scratch, times_pointer_size, roots_address));
- __ j(not_equal, &miss);
- __ mov(scratch, Immediate(Heap::kInstanceofCacheMapRootIndex));
- __ cmp(map, Operand::StaticArray(scratch, times_pointer_size, roots_address));
- __ j(not_equal, &miss);
- __ mov(scratch, Immediate(Heap::kInstanceofCacheAnswerRootIndex));
- __ mov(eax, Operand::StaticArray(scratch, times_pointer_size, roots_address));
- __ IncrementCounter(&Counters::instance_of_cache, 1);
- __ ret((args_in_registers() ? 0 : 2) * kPointerSize);
+ // If there is a call site cache don't look in the global cache, but do the
+ // real lookup and update the call site cache.
+ if (!HasCallSiteInlineCheck()) {
+ // Look up the function and the map in the instanceof cache.
+ NearLabel miss;
+ __ mov(scratch, Immediate(Heap::kInstanceofCacheFunctionRootIndex));
+ __ cmp(function,
+ Operand::StaticArray(scratch, times_pointer_size, roots_address));
+ __ j(not_equal, &miss);
+ __ mov(scratch, Immediate(Heap::kInstanceofCacheMapRootIndex));
+ __ cmp(map, Operand::StaticArray(
+ scratch, times_pointer_size, roots_address));
+ __ j(not_equal, &miss);
+ __ mov(scratch, Immediate(Heap::kInstanceofCacheAnswerRootIndex));
+ __ mov(eax, Operand::StaticArray(
+ scratch, times_pointer_size, roots_address));
+ __ ret((HasArgsInRegisters() ? 0 : 2) * kPointerSize);
+ __ bind(&miss);
+ }
- __ bind(&miss);
// Get the prototype of the function.
__ TryGetFunctionPrototype(function, prototype, scratch, &slow);
@@ -5017,13 +5052,29 @@
__ j(zero, &slow, not_taken);
__ IsObjectJSObjectType(prototype, scratch, scratch, &slow);
- // Update the golbal instanceof cache with the current map and function. The
- // cached answer will be set when it is known.
+ // Update the global instanceof or call site inlined cache with the current
+ // map and function. The cached answer will be set when it is known below.
+ if (!HasCallSiteInlineCheck()) {
__ mov(scratch, Immediate(Heap::kInstanceofCacheMapRootIndex));
__ mov(Operand::StaticArray(scratch, times_pointer_size, roots_address), map);
__ mov(scratch, Immediate(Heap::kInstanceofCacheFunctionRootIndex));
__ mov(Operand::StaticArray(scratch, times_pointer_size, roots_address),
function);
+ } else {
+ // The constants for the code patching are based on no push instructions
+ // at the call site.
+ ASSERT(HasArgsInRegisters());
+ // Get return address and delta to inlined map check.
+ __ mov(scratch, Operand(esp, 0 * kPointerSize));
+ __ sub(scratch, Operand(esp, 1 * kPointerSize));
+ if (FLAG_debug_code) {
+ __ cmpb(Operand(scratch, 0), kCmpEdiImmediateByte1);
+ __ Assert(equal, "InstanceofStub unexpected call site cache (cmp 1)");
+ __ cmpb(Operand(scratch, 1), kCmpEdiImmediateByte2);
+ __ Assert(equal, "InstanceofStub unexpected call site cache (cmp 2)");
+ }
+ __ mov(Operand(scratch, kDeltaToCmpImmediate), map);
+ }
// Loop through the prototype chain of the object looking for the function
// prototype.
@@ -5039,18 +5090,48 @@
__ jmp(&loop);
__ bind(&is_instance);
- __ IncrementCounter(&Counters::instance_of_stub_true, 1);
- __ Set(eax, Immediate(0));
- __ mov(scratch, Immediate(Heap::kInstanceofCacheAnswerRootIndex));
- __ mov(Operand::StaticArray(scratch, times_pointer_size, roots_address), eax);
- __ ret((args_in_registers() ? 0 : 2) * kPointerSize);
+ if (!HasCallSiteInlineCheck()) {
+ __ Set(eax, Immediate(0));
+ __ mov(scratch, Immediate(Heap::kInstanceofCacheAnswerRootIndex));
+ __ mov(Operand::StaticArray(scratch,
+ times_pointer_size, roots_address), eax);
+ } else {
+ // Get return address and delta to inlined map check.
+ __ mov(eax, Factory::true_value());
+ __ mov(scratch, Operand(esp, 0 * kPointerSize));
+ __ sub(scratch, Operand(esp, 1 * kPointerSize));
+ if (FLAG_debug_code) {
+ __ cmpb(Operand(scratch, kDeltaToMov), kMovEaxImmediateByte);
+ __ Assert(equal, "InstanceofStub unexpected call site cache (mov)");
+ }
+ __ mov(Operand(scratch, kDeltaToMovImmediate), eax);
+ if (!ReturnTrueFalseObject()) {
+ __ Set(eax, Immediate(0));
+ }
+ }
+ __ ret((HasArgsInRegisters() ? 0 : 2) * kPointerSize);
__ bind(&is_not_instance);
- __ IncrementCounter(&Counters::instance_of_stub_false, 1);
- __ Set(eax, Immediate(Smi::FromInt(1)));
- __ mov(scratch, Immediate(Heap::kInstanceofCacheAnswerRootIndex));
- __ mov(Operand::StaticArray(scratch, times_pointer_size, roots_address), eax);
- __ ret((args_in_registers() ? 0 : 2) * kPointerSize);
+ if (!HasCallSiteInlineCheck()) {
+ __ Set(eax, Immediate(Smi::FromInt(1)));
+ __ mov(scratch, Immediate(Heap::kInstanceofCacheAnswerRootIndex));
+ __ mov(Operand::StaticArray(
+ scratch, times_pointer_size, roots_address), eax);
+ } else {
+ // Get return address and delta to inlined map check.
+ __ mov(eax, Factory::false_value());
+ __ mov(scratch, Operand(esp, 0 * kPointerSize));
+ __ sub(scratch, Operand(esp, 1 * kPointerSize));
+ if (FLAG_debug_code) {
+ __ cmpb(Operand(scratch, kDeltaToMov), kMovEaxImmediateByte);
+ __ Assert(equal, "InstanceofStub unexpected call site cache (mov)");
+ }
+ __ mov(Operand(scratch, kDeltaToMovImmediate), eax);
+ if (!ReturnTrueFalseObject()) {
+ __ Set(eax, Immediate(Smi::FromInt(1)));
+ }
+ }
+ __ ret((HasArgsInRegisters() ? 0 : 2) * kPointerSize);
Label object_not_null, object_not_null_or_smi;
__ bind(¬_js_object);
@@ -5064,39 +5145,61 @@
// Null is not instance of anything.
__ cmp(object, Factory::null_value());
__ j(not_equal, &object_not_null);
- __ IncrementCounter(&Counters::instance_of_stub_false_null, 1);
__ Set(eax, Immediate(Smi::FromInt(1)));
- __ ret((args_in_registers() ? 0 : 2) * kPointerSize);
+ __ ret((HasArgsInRegisters() ? 0 : 2) * kPointerSize);
__ bind(&object_not_null);
// Smi values is not instance of anything.
__ test(object, Immediate(kSmiTagMask));
__ j(not_zero, &object_not_null_or_smi, not_taken);
__ Set(eax, Immediate(Smi::FromInt(1)));
- __ ret((args_in_registers() ? 0 : 2) * kPointerSize);
+ __ ret((HasArgsInRegisters() ? 0 : 2) * kPointerSize);
__ bind(&object_not_null_or_smi);
// String values is not instance of anything.
Condition is_string = masm->IsObjectStringType(object, scratch, scratch);
__ j(NegateCondition(is_string), &slow);
- __ IncrementCounter(&Counters::instance_of_stub_false_string, 1);
__ Set(eax, Immediate(Smi::FromInt(1)));
- __ ret((args_in_registers() ? 0 : 2) * kPointerSize);
+ __ ret((HasArgsInRegisters() ? 0 : 2) * kPointerSize);
// Slow-case: Go through the JavaScript implementation.
__ bind(&slow);
- if (args_in_registers()) {
- // Push arguments below return address.
- __ pop(scratch);
+ if (!ReturnTrueFalseObject()) {
+ // Tail call the builtin which returns 0 or 1.
+ if (HasArgsInRegisters()) {
+ // Push arguments below return address.
+ __ pop(scratch);
+ __ push(object);
+ __ push(function);
+ __ push(scratch);
+ }
+ __ InvokeBuiltin(Builtins::INSTANCE_OF, JUMP_FUNCTION);
+ } else {
+ // Call the builtin and convert 0/1 to true/false.
+ __ EnterInternalFrame();
__ push(object);
__ push(function);
- __ push(scratch);
+ __ InvokeBuiltin(Builtins::INSTANCE_OF, CALL_FUNCTION);
+ __ LeaveInternalFrame();
+ NearLabel true_value, done;
+ __ test(eax, Operand(eax));
+ __ j(zero, &true_value);
+ __ mov(eax, Factory::false_value());
+ __ jmp(&done);
+ __ bind(&true_value);
+ __ mov(eax, Factory::true_value());
+ __ bind(&done);
+ __ ret((HasArgsInRegisters() ? 0 : 2) * kPointerSize);
}
- __ IncrementCounter(&Counters::instance_of_slow, 1);
- __ InvokeBuiltin(Builtins::INSTANCE_OF, JUMP_FUNCTION);
}
+Register InstanceofStub::left() { return eax; }
+
+
+Register InstanceofStub::right() { return edx; }
+
+
int CompareStub::MinorKey() {
// Encode the three parameters in a unique 16 bit value. To avoid duplicate
// stubs the never NaN NaN condition is only taken into account if the
diff --git a/src/ia32/code-stubs-ia32.h b/src/ia32/code-stubs-ia32.h
index f66a8c7..4a56d0d 100644
--- a/src/ia32/code-stubs-ia32.h
+++ b/src/ia32/code-stubs-ia32.h
@@ -250,13 +250,6 @@
result_type_(result_type),
name_(NULL) { }
- // Generate code to call the stub with the supplied arguments. This will add
- // code at the call site to prepare arguments either in registers or on the
- // stack together with the actual call.
- void GenerateCall(MacroAssembler* masm, Register left, Register right);
- void GenerateCall(MacroAssembler* masm, Register left, Smi* right);
- void GenerateCall(MacroAssembler* masm, Smi* left, Register right);
-
private:
enum SmiCodeGenerateHeapNumberResults {
ALLOW_HEAPNUMBER_RESULTS,
@@ -321,10 +314,6 @@
void GenerateTypeTransition(MacroAssembler* masm);
void GenerateTypeTransitionWithSavedArgs(MacroAssembler* masm);
- bool IsOperationCommutative() {
- return (op_ == Token::ADD) || (op_ == Token::MUL);
- }
-
virtual int GetCodeKind() { return Code::TYPE_RECORDING_BINARY_OP_IC; }
virtual InlineCacheState GetICState() {
diff --git a/src/ia32/codegen-ia32.cc b/src/ia32/codegen-ia32.cc
index 2f14e82..e3b0dfc 100644
--- a/src/ia32/codegen-ia32.cc
+++ b/src/ia32/codegen-ia32.cc
@@ -745,10 +745,10 @@
Comment cmnt(masm_, "[ store arguments object");
if (mode == LAZY_ARGUMENTS_ALLOCATION && initial) {
- // When using lazy arguments allocation, we store the hole value
+ // When using lazy arguments allocation, we store the arguments marker value
// as a sentinel indicating that the arguments object hasn't been
// allocated yet.
- frame_->Push(Factory::the_hole_value());
+ frame_->Push(Factory::arguments_marker());
} else {
ArgumentsAccessStub stub(ArgumentsAccessStub::NEW_OBJECT);
frame_->PushFunction();
@@ -773,9 +773,9 @@
if (probe.is_constant()) {
// We have to skip updating the arguments object if it has
// been assigned a proper value.
- skip_arguments = !probe.handle()->IsTheHole();
+ skip_arguments = !probe.handle()->IsArgumentsMarker();
} else {
- __ cmp(Operand(probe.reg()), Immediate(Factory::the_hole_value()));
+ __ cmp(Operand(probe.reg()), Immediate(Factory::arguments_marker()));
probe.Unuse();
done.Branch(not_equal);
}
@@ -3294,9 +3294,9 @@
Label slow, done;
bool try_lazy = true;
if (probe.is_constant()) {
- try_lazy = probe.handle()->IsTheHole();
+ try_lazy = probe.handle()->IsArgumentsMarker();
} else {
- __ cmp(Operand(probe.reg()), Immediate(Factory::the_hole_value()));
+ __ cmp(Operand(probe.reg()), Immediate(Factory::arguments_marker()));
probe.Unuse();
__ j(not_equal, &slow);
}
@@ -5068,7 +5068,7 @@
// object has been lazily loaded yet.
Result result = frame()->Pop();
if (result.is_constant()) {
- if (result.handle()->IsTheHole()) {
+ if (result.handle()->IsArgumentsMarker()) {
result = StoreArgumentsObject(false);
}
frame()->Push(&result);
@@ -5079,7 +5079,7 @@
// indicates that we haven't loaded the arguments object yet, we
// need to do it now.
JumpTarget exit;
- __ cmp(Operand(result.reg()), Immediate(Factory::the_hole_value()));
+ __ cmp(Operand(result.reg()), Immediate(Factory::arguments_marker()));
frame()->Push(&result);
exit.Branch(not_equal);
diff --git a/src/ia32/deoptimizer-ia32.cc b/src/ia32/deoptimizer-ia32.cc
index d95df3e..ceba249 100644
--- a/src/ia32/deoptimizer-ia32.cc
+++ b/src/ia32/deoptimizer-ia32.cc
@@ -1,4 +1,4 @@
-// Copyright 2010 the V8 project authors. All rights reserved.
+// 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:
@@ -105,23 +105,25 @@
void Deoptimizer::PatchStackCheckCode(RelocInfo* rinfo,
Code* replacement_code) {
- // The stack check code matches the pattern (on ia32, for example):
+ // The stack check code matches the pattern:
//
// cmp esp, <limit>
// jae ok
// call <stack guard>
+ // test eax, <loop nesting depth>
// ok: ...
//
- // We will patch the code to:
+ // We will patch away the branch so the code is:
//
// cmp esp, <limit> ;; Not changed
// nop
// nop
// call <on-stack replacment>
+ // test eax, <loop nesting depth>
// ok:
Address call_target_address = rinfo->pc();
ASSERT(*(call_target_address - 3) == 0x73 && // jae
- *(call_target_address - 2) == 0x05 && // offset
+ *(call_target_address - 2) == 0x07 && // offset
*(call_target_address - 1) == 0xe8); // call
*(call_target_address - 3) = 0x90; // nop
*(call_target_address - 2) = 0x90; // nop
@@ -130,12 +132,14 @@
void Deoptimizer::RevertStackCheckCode(RelocInfo* rinfo, Code* check_code) {
+ // Replace the nops from patching (Deoptimizer::PatchStackCheckCode) to
+ // restore the conditional branch.
Address call_target_address = rinfo->pc();
ASSERT(*(call_target_address - 3) == 0x90 && // nop
*(call_target_address - 2) == 0x90 && // nop
*(call_target_address - 1) == 0xe8); // call
*(call_target_address - 3) = 0x73; // jae
- *(call_target_address - 2) = 0x05; // offset
+ *(call_target_address - 2) = 0x07; // offset
rinfo->set_target_address(check_code->entry());
}
diff --git a/src/ia32/full-codegen-ia32.cc b/src/ia32/full-codegen-ia32.cc
index 5beec0d..5f30858 100644
--- a/src/ia32/full-codegen-ia32.cc
+++ b/src/ia32/full-codegen-ia32.cc
@@ -1,4 +1,4 @@
-// Copyright 2010 the V8 project authors. All rights reserved.
+// 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:
@@ -264,16 +264,24 @@
__ j(above_equal, &ok, taken);
StackCheckStub stub;
__ CallStub(&stub);
- __ bind(&ok);
- PrepareForBailoutForId(stmt->EntryId(), NO_REGISTERS);
- PrepareForBailoutForId(stmt->OsrEntryId(), NO_REGISTERS);
+ // Record a mapping of this PC offset to the OSR id. This is used to find
+ // the AST id from the unoptimized code in order to use it as a key into
+ // the deoptimization input data found in the optimized code.
RecordStackCheck(stmt->OsrEntryId());
- // Loop stack checks can be patched to perform on-stack
- // replacement. In order to decide whether or not to perform OSR we
- // embed the loop depth in a test instruction after the call so we
- // can extract it from the OSR builtin.
+
+ // Loop stack checks can be patched to perform on-stack replacement. In
+ // order to decide whether or not to perform OSR we embed the loop depth
+ // in a test instruction after the call so we can extract it from the OSR
+ // builtin.
ASSERT(loop_depth() > 0);
__ test(eax, Immediate(Min(loop_depth(), Code::kMaxLoopNestingMarker)));
+
+ __ bind(&ok);
+ PrepareForBailoutForId(stmt->EntryId(), NO_REGISTERS);
+ // Record a mapping of the OSR id to this PC. This is used if the OSR
+ // entry becomes the target of a bailout. We don't expect it to be, but
+ // we want it to work if it is.
+ PrepareForBailoutForId(stmt->OsrEntryId(), NO_REGISTERS);
}
@@ -1497,7 +1505,9 @@
if (expr->is_compound()) {
if (property->is_arguments_access()) {
VariableProxy* obj_proxy = property->obj()->AsVariableProxy();
- __ push(EmitSlotSearch(obj_proxy->var()->AsSlot(), ecx));
+ MemOperand slot_operand =
+ EmitSlotSearch(obj_proxy->var()->AsSlot(), ecx);
+ __ push(slot_operand);
__ mov(eax, Immediate(property->key()->AsLiteral()->handle()));
} else {
VisitForStackValue(property->obj());
@@ -1508,7 +1518,9 @@
} else {
if (property->is_arguments_access()) {
VariableProxy* obj_proxy = property->obj()->AsVariableProxy();
- __ push(EmitSlotSearch(obj_proxy->var()->AsSlot(), ecx));
+ MemOperand slot_operand =
+ EmitSlotSearch(obj_proxy->var()->AsSlot(), ecx);
+ __ push(slot_operand);
__ push(Immediate(property->key()->AsLiteral()->handle()));
} else {
VisitForStackValue(property->obj());
@@ -3739,7 +3751,9 @@
} else {
if (prop->is_arguments_access()) {
VariableProxy* obj_proxy = prop->obj()->AsVariableProxy();
- __ push(EmitSlotSearch(obj_proxy->var()->AsSlot(), ecx));
+ MemOperand slot_operand =
+ EmitSlotSearch(obj_proxy->var()->AsSlot(), ecx);
+ __ push(slot_operand);
__ mov(eax, Immediate(prop->key()->AsLiteral()->handle()));
} else {
VisitForStackValue(prop->obj());
@@ -4042,7 +4056,6 @@
case Token::INSTANCEOF: {
VisitForStackValue(expr->right());
- __ IncrementCounter(&Counters::instance_of_full, 1);
InstanceofStub stub(InstanceofStub::kNoFlags);
__ CallStub(&stub);
PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false);
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index 0f56825..d32f95d 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -1694,7 +1694,7 @@
void LCodeGen::DoInstanceOf(LInstanceOf* instr) {
- // Object and function are in fixed registers eax and edx.
+ // Object and function are in fixed registers defined by the stub.
InstanceofStub stub(InstanceofStub::kArgsInRegisters);
CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
@@ -1720,6 +1720,107 @@
}
+void LCodeGen::DoInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr) {
+ class DeferredInstanceOfKnownGlobal: public LDeferredCode {
+ public:
+ DeferredInstanceOfKnownGlobal(LCodeGen* codegen,
+ LInstanceOfKnownGlobal* instr)
+ : LDeferredCode(codegen), instr_(instr) { }
+ virtual void Generate() {
+ codegen()->DoDeferredLInstanceOfKnownGlobal(instr_, &map_check_);
+ }
+
+ Label* map_check() { return &map_check_; }
+
+ private:
+ LInstanceOfKnownGlobal* instr_;
+ Label map_check_;
+ };
+
+ DeferredInstanceOfKnownGlobal* deferred;
+ deferred = new DeferredInstanceOfKnownGlobal(this, instr);
+
+ Label done, false_result;
+ Register object = ToRegister(instr->input());
+ Register temp = ToRegister(instr->temp());
+
+ // A Smi is not instance of anything.
+ __ test(object, Immediate(kSmiTagMask));
+ __ j(zero, &false_result, not_taken);
+
+ // This is the inlined call site instanceof cache. The two occourences of the
+ // hole value will be patched to the last map/result pair generated by the
+ // instanceof stub.
+ NearLabel cache_miss;
+ Register map = ToRegister(instr->temp());
+ __ mov(map, FieldOperand(object, HeapObject::kMapOffset));
+ __ bind(deferred->map_check()); // Label for calculating code patching.
+ __ cmp(map, Factory::the_hole_value()); // Patched to cached map.
+ __ j(not_equal, &cache_miss, not_taken);
+ __ mov(eax, Factory::the_hole_value()); // Patched to either true or false.
+ __ jmp(&done);
+
+ // The inlined call site cache did not match. Check null and string before
+ // calling the deferred code.
+ __ bind(&cache_miss);
+ // Null is not instance of anything.
+ __ cmp(object, Factory::null_value());
+ __ j(equal, &false_result);
+
+ // String values are not instances of anything.
+ Condition is_string = masm_->IsObjectStringType(object, temp, temp);
+ __ j(is_string, &false_result);
+
+ // Go to the deferred code.
+ __ jmp(deferred->entry());
+
+ __ bind(&false_result);
+ __ mov(ToRegister(instr->result()), Factory::false_value());
+
+ // Here result has either true or false. Deferred code also produces true or
+ // false object.
+ __ bind(deferred->exit());
+ __ bind(&done);
+}
+
+
+void LCodeGen::DoDeferredLInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr,
+ Label* map_check) {
+ __ PushSafepointRegisters();
+
+ InstanceofStub::Flags flags = InstanceofStub::kNoFlags;
+ flags = static_cast<InstanceofStub::Flags>(
+ flags | InstanceofStub::kArgsInRegisters);
+ flags = static_cast<InstanceofStub::Flags>(
+ flags | InstanceofStub::kCallSiteInlineCheck);
+ flags = static_cast<InstanceofStub::Flags>(
+ flags | InstanceofStub::kReturnTrueFalseObject);
+ InstanceofStub stub(flags);
+
+ // Get the temp register reserved by the instruction. This needs to be edi as
+ // its slot of the pushing of safepoint registers is used to communicate the
+ // offset to the location of the map check.
+ Register temp = ToRegister(instr->temp());
+ ASSERT(temp.is(edi));
+ __ mov(InstanceofStub::right(), Immediate(instr->function()));
+ static const int kAdditionalDelta = 13;
+ int delta = masm_->SizeOfCodeGeneratedSince(map_check) + kAdditionalDelta;
+ Label before_push_delta;
+ __ bind(&before_push_delta);
+ __ mov(temp, Immediate(delta));
+ __ mov(Operand(esp, EspIndexForPushAll(temp) * kPointerSize), temp);
+ __ call(stub.GetCode(), RelocInfo::CODE_TARGET);
+ ASSERT_EQ(kAdditionalDelta,
+ masm_->SizeOfCodeGeneratedSince(&before_push_delta));
+ RecordSafepointWithRegisters(
+ instr->pointer_map(), 0, Safepoint::kNoDeoptimizationIndex);
+ // Put the result value into the eax slot and restore all registers.
+ __ mov(Operand(esp, EspIndexForPushAll(eax) * kPointerSize), eax);
+
+ __ PopSafepointRegisters();
+}
+
+
static Condition ComputeCompareCondition(Token::Value op) {
switch (op) {
case Token::EQ_STRICT:
@@ -1899,6 +2000,8 @@
__ sub(length, index);
DeoptimizeIf(below_equal, instr->environment());
+ // There are two words between the frame pointer and the last argument.
+ // Subtracting from length accounts for one of them add one more.
__ mov(result, Operand(arguments, length, times_4, kPointerSize));
}
@@ -1948,7 +2051,7 @@
Register result = ToRegister(instr->result());
// Check for arguments adapter frame.
- Label done, adapted;
+ NearLabel done, adapted;
__ mov(result, Operand(ebp, StandardFrameConstants::kCallerFPOffset));
__ mov(result, Operand(result, StandardFrameConstants::kContextOffset));
__ cmp(Operand(result),
@@ -1963,7 +2066,8 @@
__ bind(&adapted);
__ mov(result, Operand(ebp, StandardFrameConstants::kCallerFPOffset));
- // Done. Pointer to topmost argument is in result.
+ // Result is the frame pointer for the frame if not adapted and for the real
+ // frame below the adaptor frame if adapted.
__ bind(&done);
}
@@ -1972,9 +2076,9 @@
Operand elem = ToOperand(instr->input());
Register result = ToRegister(instr->result());
- Label done;
+ NearLabel done;
- // No arguments adaptor frame. Number of arguments is fixed.
+ // If no arguments adaptor frame the number of arguments is fixed.
__ cmp(ebp, elem);
__ mov(result, Immediate(scope()->num_parameters()));
__ j(equal, &done);
@@ -1985,7 +2089,7 @@
ArgumentsAdaptorFrameConstants::kLengthOffset));
__ SmiUntag(result);
- // Done. Argument length is in result register.
+ // Argument length is in result register.
__ bind(&done);
}
@@ -2534,7 +2638,6 @@
value);
}
- // Update the write barrier unless we're certain that we're storing a smi.
if (instr->hydrogen()->NeedsWriteBarrier()) {
// Compute address of modified element and store it into key register.
__ lea(key, FieldOperand(elements, key, times_4, FixedArray::kHeaderSize));
diff --git a/src/ia32/lithium-codegen-ia32.h b/src/ia32/lithium-codegen-ia32.h
index 6d8173a..41ac39a 100644
--- a/src/ia32/lithium-codegen-ia32.h
+++ b/src/ia32/lithium-codegen-ia32.h
@@ -77,6 +77,8 @@
void DoDeferredTaggedToI(LTaggedToI* instr);
void DoDeferredMathAbsTaggedHeapNumber(LUnaryMathOperation* instr);
void DoDeferredStackCheck(LGoto* instr);
+ void DoDeferredLInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr,
+ Label* map_check);
// Parallel move support.
void DoParallelMove(LParallelMove* move);
diff --git a/src/ia32/lithium-ia32.cc b/src/ia32/lithium-ia32.cc
index 4fde3d4..6355f16 100644
--- a/src/ia32/lithium-ia32.cc
+++ b/src/ia32/lithium-ia32.cc
@@ -1,4 +1,4 @@
-// Copyright 2010 the V8 project authors. All rights reserved.
+// 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:
@@ -322,15 +322,6 @@
}
-LChunk::LChunk(HGraph* graph)
- : spill_slot_count_(0),
- graph_(graph),
- instructions_(32),
- pointer_maps_(8),
- inlined_closures_(1) {
-}
-
-
void LChunk::Verify() const {
// TODO(twuerthinger): Implement verification for chunk.
}
@@ -472,151 +463,6 @@
}
-class LGapNode: public ZoneObject {
- public:
- explicit LGapNode(LOperand* operand)
- : operand_(operand), resolved_(false), visited_id_(-1) { }
-
- LOperand* operand() const { return operand_; }
- bool IsResolved() const { return !IsAssigned() || resolved_; }
- void MarkResolved() {
- ASSERT(!IsResolved());
- resolved_ = true;
- }
- int visited_id() const { return visited_id_; }
- void set_visited_id(int id) {
- ASSERT(id > visited_id_);
- visited_id_ = id;
- }
-
- bool IsAssigned() const { return assigned_from_.is_set(); }
- LGapNode* assigned_from() const { return assigned_from_.get(); }
- void set_assigned_from(LGapNode* n) { assigned_from_.set(n); }
-
- private:
- LOperand* operand_;
- SetOncePointer<LGapNode> assigned_from_;
- bool resolved_;
- int visited_id_;
-};
-
-
-LGapResolver::LGapResolver(const ZoneList<LMoveOperands>* moves,
- LOperand* marker_operand)
- : nodes_(4),
- identified_cycles_(4),
- result_(4),
- marker_operand_(marker_operand),
- next_visited_id_(0) {
- for (int i = 0; i < moves->length(); ++i) {
- LMoveOperands move = moves->at(i);
- if (!move.IsRedundant()) RegisterMove(move);
- }
-}
-
-
-const ZoneList<LMoveOperands>* LGapResolver::ResolveInReverseOrder() {
- for (int i = 0; i < identified_cycles_.length(); ++i) {
- ResolveCycle(identified_cycles_[i]);
- }
-
- int unresolved_nodes;
- do {
- unresolved_nodes = 0;
- for (int j = 0; j < nodes_.length(); j++) {
- LGapNode* node = nodes_[j];
- if (!node->IsResolved() && node->assigned_from()->IsResolved()) {
- AddResultMove(node->assigned_from(), node);
- node->MarkResolved();
- }
- if (!node->IsResolved()) ++unresolved_nodes;
- }
- } while (unresolved_nodes > 0);
- return &result_;
-}
-
-
-void LGapResolver::AddResultMove(LGapNode* from, LGapNode* to) {
- AddResultMove(from->operand(), to->operand());
-}
-
-
-void LGapResolver::AddResultMove(LOperand* from, LOperand* to) {
- result_.Add(LMoveOperands(from, to));
-}
-
-
-void LGapResolver::ResolveCycle(LGapNode* start) {
- ZoneList<LOperand*> circle_operands(8);
- circle_operands.Add(marker_operand_);
- LGapNode* cur = start;
- do {
- cur->MarkResolved();
- circle_operands.Add(cur->operand());
- cur = cur->assigned_from();
- } while (cur != start);
- circle_operands.Add(marker_operand_);
-
- for (int i = circle_operands.length() - 1; i > 0; --i) {
- LOperand* from = circle_operands[i];
- LOperand* to = circle_operands[i - 1];
- AddResultMove(from, to);
- }
-}
-
-
-bool LGapResolver::CanReach(LGapNode* a, LGapNode* b, int visited_id) {
- ASSERT(a != b);
- LGapNode* cur = a;
- while (cur != b && cur->visited_id() != visited_id && cur->IsAssigned()) {
- cur->set_visited_id(visited_id);
- cur = cur->assigned_from();
- }
-
- return cur == b;
-}
-
-
-bool LGapResolver::CanReach(LGapNode* a, LGapNode* b) {
- ASSERT(a != b);
- return CanReach(a, b, next_visited_id_++);
-}
-
-
-void LGapResolver::RegisterMove(LMoveOperands move) {
- if (move.from()->IsConstantOperand()) {
- // Constant moves should be last in the machine code. Therefore add them
- // first to the result set.
- AddResultMove(move.from(), move.to());
- } else {
- LGapNode* from = LookupNode(move.from());
- LGapNode* to = LookupNode(move.to());
- if (to->IsAssigned() && to->assigned_from() == from) {
- move.Eliminate();
- return;
- }
- ASSERT(!to->IsAssigned());
- if (CanReach(from, to)) {
- // This introduces a circle. Save.
- identified_cycles_.Add(from);
- }
- to->set_assigned_from(from);
- }
-}
-
-
-LGapNode* LGapResolver::LookupNode(LOperand* operand) {
- for (int i = 0; i < nodes_.length(); ++i) {
- if (nodes_[i]->operand()->Equals(operand)) return nodes_[i];
- }
-
- // No node found => create a new one.
- LGapNode* result = new LGapNode(operand);
- nodes_.Add(result);
- return result;
-}
-
-
Handle<Object> LChunk::LookupLiteral(LConstantOperand* operand) const {
return HConstant::cast(graph_->LookupValue(operand->index()))->handle();
}
@@ -833,6 +679,12 @@
}
+LInstruction* LChunkBuilder::MarkAsSaveDoubles(LInstruction* instr) {
+ allocator_->MarkAsSaveDoubles();
+ return instr;
+}
+
+
LInstruction* LChunkBuilder::AssignPointerMap(LInstruction* instr) {
ASSERT(!instr->HasPointerMap());
instr->set_pointer_map(new LPointerMap(position_));
@@ -1257,10 +1109,11 @@
} else if (v->IsInstanceOf()) {
HInstanceOf* instance_of = HInstanceOf::cast(v);
LInstruction* result =
- new LInstanceOfAndBranch(UseFixed(instance_of->left(), eax),
- UseFixed(instance_of->right(), edx),
- first_id,
- second_id);
+ new LInstanceOfAndBranch(
+ UseFixed(instance_of->left(), InstanceofStub::left()),
+ UseFixed(instance_of->right(), InstanceofStub::right()),
+ first_id,
+ second_id);
return MarkAsCall(result, instr);
} else if (v->IsTypeofIs()) {
HTypeofIs* typeof_is = HTypeofIs::cast(v);
@@ -1287,12 +1140,7 @@
HCompareMapAndBranch* instr) {
ASSERT(instr->value()->representation().IsTagged());
LOperand* value = UseRegisterAtStart(instr->value());
- HBasicBlock* first = instr->FirstSuccessor();
- HBasicBlock* second = instr->SecondSuccessor();
- return new LCmpMapAndBranch(value,
- instr->map(),
- first->block_id(),
- second->block_id());
+ return new LCmpMapAndBranch(value);
}
@@ -1308,12 +1156,23 @@
LInstruction* LChunkBuilder::DoInstanceOf(HInstanceOf* instr) {
LInstruction* result =
- new LInstanceOf(UseFixed(instr->left(), eax),
- UseFixed(instr->right(), edx));
+ new LInstanceOf(UseFixed(instr->left(), InstanceofStub::left()),
+ UseFixed(instr->right(), InstanceofStub::right()));
return MarkAsCall(DefineFixed(result, eax), instr);
}
+LInstruction* LChunkBuilder::DoInstanceOfKnownGlobal(
+ HInstanceOfKnownGlobal* instr) {
+ LInstruction* result =
+ new LInstanceOfKnownGlobal(
+ UseFixed(instr->value(), InstanceofStub::left()),
+ FixedTemp(edi));
+ MarkAsSaveDoubles(result);
+ return AssignEnvironment(AssignPointerMap(DefineFixed(result, eax)));
+}
+
+
LInstruction* LChunkBuilder::DoApplyArguments(HApplyArguments* instr) {
LOperand* function = UseFixed(instr->function(), edi);
LOperand* receiver = UseFixed(instr->receiver(), eax);
diff --git a/src/ia32/lithium-ia32.h b/src/ia32/lithium-ia32.h
index 00dc394..4b0db40 100644
--- a/src/ia32/lithium-ia32.h
+++ b/src/ia32/lithium-ia32.h
@@ -1,4 +1,4 @@
-// Copyright 2010 the V8 project authors. All rights reserved.
+// 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:
@@ -30,6 +30,7 @@
#include "hydrogen.h"
#include "lithium-allocator.h"
+#include "lithium.h"
#include "safepoint-table.h"
namespace v8 {
@@ -39,7 +40,6 @@
class LCodeGen;
class LEnvironment;
class Translation;
-class LGapNode;
// Type hierarchy:
@@ -63,6 +63,7 @@
// LDivI
// LInstanceOf
// LInstanceOfAndBranch
+// LInstanceOfKnownGlobal
// LLoadKeyedFastElement
// LLoadKeyedGeneric
// LModI
@@ -207,6 +208,7 @@
V(FixedArrayLength) \
V(InstanceOf) \
V(InstanceOfAndBranch) \
+ V(InstanceOfKnownGlobal) \
V(Integer32ToDouble) \
V(IsNull) \
V(IsNullAndBranch) \
@@ -333,29 +335,6 @@
};
-class LGapResolver BASE_EMBEDDED {
- public:
- LGapResolver(const ZoneList<LMoveOperands>* moves, LOperand* marker_operand);
- const ZoneList<LMoveOperands>* ResolveInReverseOrder();
-
- private:
- LGapNode* LookupNode(LOperand* operand);
- bool CanReach(LGapNode* a, LGapNode* b, int visited_id);
- bool CanReach(LGapNode* a, LGapNode* b);
- void RegisterMove(LMoveOperands move);
- void AddResultMove(LOperand* from, LOperand* to);
- void AddResultMove(LGapNode* from, LGapNode* to);
- void ResolveCycle(LGapNode* start);
-
- ZoneList<LGapNode*> nodes_;
- ZoneList<LGapNode*> identified_cycles_;
- ZoneList<LMoveOperands> result_;
- LOperand* marker_operand_;
- int next_visited_id_;
- int bailout_after_ast_id_;
-};
-
-
class LParallelMove : public ZoneObject {
public:
LParallelMove() : move_operands_(4) { }
@@ -1008,6 +987,23 @@
};
+class LInstanceOfKnownGlobal: public LUnaryOperation {
+ public:
+ LInstanceOfKnownGlobal(LOperand* left, LOperand* temp)
+ : LUnaryOperation(left), temp_(temp) { }
+
+ DECLARE_CONCRETE_INSTRUCTION(InstanceOfKnownGlobal,
+ "instance-of-known-global")
+ DECLARE_HYDROGEN_ACCESSOR(InstanceOfKnownGlobal)
+
+ Handle<JSFunction> function() const { return hydrogen()->function(); }
+ LOperand* temp() const { return temp_; }
+
+ private:
+ LOperand* temp_;
+};
+
+
class LBoundsCheck: public LBinaryOperation {
public:
LBoundsCheck(LOperand* index, LOperand* length)
@@ -1126,27 +1122,20 @@
class LCmpMapAndBranch: public LUnaryOperation {
public:
- LCmpMapAndBranch(LOperand* value,
- Handle<Map> map,
- int true_block_id,
- int false_block_id)
- : LUnaryOperation(value),
- map_(map),
- true_block_id_(true_block_id),
- false_block_id_(false_block_id) { }
+ explicit LCmpMapAndBranch(LOperand* value) : LUnaryOperation(value) { }
DECLARE_CONCRETE_INSTRUCTION(CmpMapAndBranch, "cmp-map-and-branch")
+ DECLARE_HYDROGEN_ACCESSOR(CompareMapAndBranch)
virtual bool IsControl() const { return true; }
- Handle<Map> map() const { return map_; }
- int true_block_id() const { return true_block_id_; }
- int false_block_id() const { return false_block_id_; }
-
- private:
- Handle<Map> map_;
- int true_block_id_;
- int false_block_id_;
+ Handle<Map> map() const { return hydrogen()->map(); }
+ int true_block_id() const {
+ return hydrogen()->true_destination()->block_id();
+ }
+ int false_block_id() const {
+ return hydrogen()->false_destination()->block_id();
+ }
};
@@ -1952,7 +1941,12 @@
class LChunkBuilder;
class LChunk: public ZoneObject {
public:
- explicit LChunk(HGraph* graph);
+ explicit LChunk(HGraph* graph)
+ : spill_slot_count_(0),
+ graph_(graph),
+ instructions_(32),
+ pointer_maps_(8),
+ inlined_closures_(1) { }
int AddInstruction(LInstruction* instruction, HBasicBlock* block);
LConstantOperand* DefineConstantOperand(HConstant* constant);
@@ -2102,6 +2096,7 @@
LInstruction* instr,
HInstruction* hinstr,
CanDeoptimize can_deoptimize = CANNOT_DEOPTIMIZE_EAGERLY);
+ LInstruction* MarkAsSaveDoubles(LInstruction* instr);
LInstruction* SetInstructionPendingDeoptimizationEnvironment(
LInstruction* instr, int ast_id);
diff --git a/src/ia32/macro-assembler-ia32.cc b/src/ia32/macro-assembler-ia32.cc
index 7c33906..a6f4679 100644
--- a/src/ia32/macro-assembler-ia32.cc
+++ b/src/ia32/macro-assembler-ia32.cc
@@ -1715,7 +1715,7 @@
}
#endif
// Disable stub call restrictions to always allow calls to abort.
- set_allow_stub_calls(true);
+ AllowStubCallsScope allow_scope(this, true);
push(eax);
push(Immediate(p0));
diff --git a/src/lithium-allocator.cc b/src/lithium-allocator.cc
index eecc441..abdef09 100644
--- a/src/lithium-allocator.cc
+++ b/src/lithium-allocator.cc
@@ -940,6 +940,9 @@
curr_position.InstructionEnd());
}
}
+ }
+
+ if (summary->IsCall() || summary->IsSaveDoubles()) {
for (int i = 0; i < DoubleRegister::kNumAllocatableRegisters; ++i) {
if (output == NULL || !output->IsDoubleRegister() ||
output->index() != i) {
@@ -1607,6 +1610,11 @@
}
+void LAllocator::MarkAsSaveDoubles() {
+ current_summary()->MarkAsSaveDoubles();
+}
+
+
void LAllocator::RecordDefinition(HInstruction* instr, LUnallocated* operand) {
operand->set_virtual_register(instr->id());
current_summary()->SetOutput(operand);
diff --git a/src/lithium-allocator.h b/src/lithium-allocator.h
index fe837e2..454e302 100644
--- a/src/lithium-allocator.h
+++ b/src/lithium-allocator.h
@@ -482,7 +482,11 @@
class InstructionSummary: public ZoneObject {
public:
InstructionSummary()
- : output_operand_(NULL), input_count_(0), operands_(4), is_call_(false) {}
+ : output_operand_(NULL),
+ input_count_(0),
+ operands_(4),
+ is_call_(false),
+ is_save_doubles_(false) {}
// Output operands.
LOperand* Output() const { return output_operand_; }
@@ -510,11 +514,15 @@
void MarkAsCall() { is_call_ = true; }
bool IsCall() const { return is_call_; }
+ void MarkAsSaveDoubles() { is_save_doubles_ = true; }
+ bool IsSaveDoubles() const { return is_save_doubles_; }
+
private:
LOperand* output_operand_;
int input_count_;
ZoneList<LOperand*> operands_;
bool is_call_;
+ bool is_save_doubles_;
};
// Representation of the non-empty interval [start,end[.
@@ -824,6 +832,9 @@
// Marks the current instruction as a call.
void MarkAsCall();
+ // Marks the current instruction as requiring saving double registers.
+ void MarkAsSaveDoubles();
+
// Checks whether the value of a given virtual register is tagged.
bool HasTaggedValue(int virtual_register) const;
diff --git a/src/lithium.cc b/src/lithium.cc
new file mode 100644
index 0000000..92e81d3
--- /dev/null
+++ b/src/lithium.cc
@@ -0,0 +1,179 @@
+// 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.
+
+#include "lithium.h"
+
+namespace v8 {
+namespace internal {
+
+
+class LGapNode: public ZoneObject {
+ public:
+ explicit LGapNode(LOperand* operand)
+ : operand_(operand), resolved_(false), visited_id_(-1) { }
+
+ LOperand* operand() const { return operand_; }
+ bool IsResolved() const { return !IsAssigned() || resolved_; }
+ void MarkResolved() {
+ ASSERT(!IsResolved());
+ resolved_ = true;
+ }
+ int visited_id() const { return visited_id_; }
+ void set_visited_id(int id) {
+ ASSERT(id > visited_id_);
+ visited_id_ = id;
+ }
+
+ bool IsAssigned() const { return assigned_from_.is_set(); }
+ LGapNode* assigned_from() const { return assigned_from_.get(); }
+ void set_assigned_from(LGapNode* n) { assigned_from_.set(n); }
+
+ private:
+ LOperand* operand_;
+ SetOncePointer<LGapNode> assigned_from_;
+ bool resolved_;
+ int visited_id_;
+};
+
+
+LGapResolver::LGapResolver(const ZoneList<LMoveOperands>* moves,
+ LOperand* marker_operand)
+ : nodes_(4),
+ identified_cycles_(4),
+ result_(4),
+ marker_operand_(marker_operand),
+ next_visited_id_(0) {
+ for (int i = 0; i < moves->length(); ++i) {
+ LMoveOperands move = moves->at(i);
+ if (!move.IsRedundant()) RegisterMove(move);
+ }
+}
+
+
+const ZoneList<LMoveOperands>* LGapResolver::ResolveInReverseOrder() {
+ for (int i = 0; i < identified_cycles_.length(); ++i) {
+ ResolveCycle(identified_cycles_[i]);
+ }
+
+ int unresolved_nodes;
+ do {
+ unresolved_nodes = 0;
+ for (int j = 0; j < nodes_.length(); j++) {
+ LGapNode* node = nodes_[j];
+ if (!node->IsResolved() && node->assigned_from()->IsResolved()) {
+ AddResultMove(node->assigned_from(), node);
+ node->MarkResolved();
+ }
+ if (!node->IsResolved()) ++unresolved_nodes;
+ }
+ } while (unresolved_nodes > 0);
+ return &result_;
+}
+
+
+void LGapResolver::AddResultMove(LGapNode* from, LGapNode* to) {
+ AddResultMove(from->operand(), to->operand());
+}
+
+
+void LGapResolver::AddResultMove(LOperand* from, LOperand* to) {
+ result_.Add(LMoveOperands(from, to));
+}
+
+
+void LGapResolver::ResolveCycle(LGapNode* start) {
+ ZoneList<LOperand*> circle_operands(8);
+ circle_operands.Add(marker_operand_);
+ LGapNode* cur = start;
+ do {
+ cur->MarkResolved();
+ circle_operands.Add(cur->operand());
+ cur = cur->assigned_from();
+ } while (cur != start);
+ circle_operands.Add(marker_operand_);
+
+ for (int i = circle_operands.length() - 1; i > 0; --i) {
+ LOperand* from = circle_operands[i];
+ LOperand* to = circle_operands[i - 1];
+ AddResultMove(from, to);
+ }
+}
+
+
+bool LGapResolver::CanReach(LGapNode* a, LGapNode* b, int visited_id) {
+ ASSERT(a != b);
+ LGapNode* cur = a;
+ while (cur != b && cur->visited_id() != visited_id && cur->IsAssigned()) {
+ cur->set_visited_id(visited_id);
+ cur = cur->assigned_from();
+ }
+
+ return cur == b;
+}
+
+
+bool LGapResolver::CanReach(LGapNode* a, LGapNode* b) {
+ ASSERT(a != b);
+ return CanReach(a, b, next_visited_id_++);
+}
+
+
+void LGapResolver::RegisterMove(LMoveOperands move) {
+ if (move.from()->IsConstantOperand()) {
+ // Constant moves should be last in the machine code. Therefore add them
+ // first to the result set.
+ AddResultMove(move.from(), move.to());
+ } else {
+ LGapNode* from = LookupNode(move.from());
+ LGapNode* to = LookupNode(move.to());
+ if (to->IsAssigned() && to->assigned_from() == from) {
+ move.Eliminate();
+ return;
+ }
+ ASSERT(!to->IsAssigned());
+ if (CanReach(from, to)) {
+ // This introduces a circle. Save.
+ identified_cycles_.Add(from);
+ }
+ to->set_assigned_from(from);
+ }
+}
+
+
+LGapNode* LGapResolver::LookupNode(LOperand* operand) {
+ for (int i = 0; i < nodes_.length(); ++i) {
+ if (nodes_[i]->operand()->Equals(operand)) return nodes_[i];
+ }
+
+ // No node found => create a new one.
+ LGapNode* result = new LGapNode(operand);
+ nodes_.Add(result);
+ return result;
+}
+
+
+} } // namespace v8::internal
diff --git a/src/lithium.h b/src/lithium.h
new file mode 100644
index 0000000..0ea3769
--- /dev/null
+++ b/src/lithium.h
@@ -0,0 +1,63 @@
+// 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.
+
+#ifndef V8_LITHIUM_H_
+#define V8_LITHIUM_H_
+
+#include "lithium-allocator.h"
+
+namespace v8 {
+namespace internal {
+
+class LGapNode;
+
+class LGapResolver BASE_EMBEDDED {
+ public:
+ LGapResolver(const ZoneList<LMoveOperands>* moves, LOperand* marker_operand);
+ const ZoneList<LMoveOperands>* ResolveInReverseOrder();
+
+ private:
+ LGapNode* LookupNode(LOperand* operand);
+ bool CanReach(LGapNode* a, LGapNode* b, int visited_id);
+ bool CanReach(LGapNode* a, LGapNode* b);
+ void RegisterMove(LMoveOperands move);
+ void AddResultMove(LOperand* from, LOperand* to);
+ void AddResultMove(LGapNode* from, LGapNode* to);
+ void ResolveCycle(LGapNode* start);
+
+ ZoneList<LGapNode*> nodes_;
+ ZoneList<LGapNode*> identified_cycles_;
+ ZoneList<LMoveOperands> result_;
+ LOperand* marker_operand_;
+ int next_visited_id_;
+ int bailout_after_ast_id_;
+};
+
+
+} } // namespace v8::internal
+
+#endif // V8_LITHIUM_H_
diff --git a/src/macros.py b/src/macros.py
index 01512e4..69f36c0 100644
--- a/src/macros.py
+++ b/src/macros.py
@@ -126,6 +126,7 @@
macro TO_INT32(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : (arg >> 0));
macro TO_UINT32(arg) = (arg >>> 0);
macro TO_STRING_INLINE(arg) = (IS_STRING(%IS_VAR(arg)) ? arg : NonStringToString(arg));
+macro TO_NUMBER_INLINE(arg) = (IS_NUMBER(%IS_VAR(arg)) ? arg : NonNumberToNumber(arg));
# Macros implemented in Python.
diff --git a/src/math.js b/src/math.js
index 90667d7..02b19ab 100644
--- a/src/math.js
+++ b/src/math.js
@@ -44,26 +44,26 @@
// ECMA 262 - 15.8.2.1
function MathAbs(x) {
if (%_IsSmi(x)) return x >= 0 ? x : -x;
- if (!IS_NUMBER(x)) x = ToNumber(x);
+ if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
if (x === 0) return 0; // To handle -0.
return x > 0 ? x : -x;
}
// ECMA 262 - 15.8.2.2
function MathAcos(x) {
- if (!IS_NUMBER(x)) x = ToNumber(x);
+ if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
return %Math_acos(x);
}
// ECMA 262 - 15.8.2.3
function MathAsin(x) {
- if (!IS_NUMBER(x)) x = ToNumber(x);
+ if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
return %Math_asin(x);
}
// ECMA 262 - 15.8.2.4
function MathAtan(x) {
- if (!IS_NUMBER(x)) x = ToNumber(x);
+ if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
return %Math_atan(x);
}
@@ -71,32 +71,32 @@
// The naming of y and x matches the spec, as does the order in which
// ToNumber (valueOf) is called.
function MathAtan2(y, x) {
- if (!IS_NUMBER(y)) y = ToNumber(y);
- if (!IS_NUMBER(x)) x = ToNumber(x);
+ if (!IS_NUMBER(y)) y = NonNumberToNumber(y);
+ if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
return %Math_atan2(y, x);
}
// ECMA 262 - 15.8.2.6
function MathCeil(x) {
- if (!IS_NUMBER(x)) x = ToNumber(x);
+ if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
return %Math_ceil(x);
}
// ECMA 262 - 15.8.2.7
function MathCos(x) {
- if (!IS_NUMBER(x)) x = ToNumber(x);
+ if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
return %_MathCos(x);
}
// ECMA 262 - 15.8.2.8
function MathExp(x) {
- if (!IS_NUMBER(x)) x = ToNumber(x);
+ if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
return %Math_exp(x);
}
// ECMA 262 - 15.8.2.9
function MathFloor(x) {
- if (!IS_NUMBER(x)) x = ToNumber(x);
+ if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
// It's more common to call this with a positive number that's out
// of range than negative numbers; check the upper bound first.
if (x < 0x80000000 && x > 0) {
@@ -112,7 +112,7 @@
// ECMA 262 - 15.8.2.10
function MathLog(x) {
- if (!IS_NUMBER(x)) x = ToNumber(x);
+ if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
return %_MathLog(x);
}
@@ -123,11 +123,11 @@
return -1/0; // Compiler constant-folds this to -Infinity.
}
var r = arg1;
- if (!IS_NUMBER(r)) r = ToNumber(r);
+ if (!IS_NUMBER(r)) r = NonNumberToNumber(r);
if (NUMBER_IS_NAN(r)) return r;
for (var i = 1; i < length; i++) {
var n = %_Arguments(i);
- if (!IS_NUMBER(n)) n = ToNumber(n);
+ if (!IS_NUMBER(n)) n = NonNumberToNumber(n);
if (NUMBER_IS_NAN(n)) return n;
// Make sure +0 is considered greater than -0. -0 is never a Smi, +0 can be
// a Smi or heap number.
@@ -143,11 +143,11 @@
return 1/0; // Compiler constant-folds this to Infinity.
}
var r = arg1;
- if (!IS_NUMBER(r)) r = ToNumber(r);
+ if (!IS_NUMBER(r)) r = NonNumberToNumber(r);
if (NUMBER_IS_NAN(r)) return r;
for (var i = 1; i < length; i++) {
var n = %_Arguments(i);
- if (!IS_NUMBER(n)) n = ToNumber(n);
+ if (!IS_NUMBER(n)) n = NonNumberToNumber(n);
if (NUMBER_IS_NAN(n)) return n;
// Make sure -0 is considered less than +0. -0 is never a Smi, +0 can b a
// Smi or a heap number.
@@ -158,8 +158,8 @@
// ECMA 262 - 15.8.2.13
function MathPow(x, y) {
- if (!IS_NUMBER(x)) x = ToNumber(x);
- if (!IS_NUMBER(y)) y = ToNumber(y);
+ if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
+ if (!IS_NUMBER(y)) y = NonNumberToNumber(y);
return %_MathPow(x, y);
}
@@ -170,25 +170,25 @@
// ECMA 262 - 15.8.2.15
function MathRound(x) {
- if (!IS_NUMBER(x)) x = ToNumber(x);
+ if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
return %RoundNumber(x);
}
// ECMA 262 - 15.8.2.16
function MathSin(x) {
- if (!IS_NUMBER(x)) x = ToNumber(x);
+ if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
return %_MathSin(x);
}
// ECMA 262 - 15.8.2.17
function MathSqrt(x) {
- if (!IS_NUMBER(x)) x = ToNumber(x);
+ if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
return %_MathSqrt(x);
}
// ECMA 262 - 15.8.2.18
function MathTan(x) {
- if (!IS_NUMBER(x)) x = ToNumber(x);
+ if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
return %Math_tan(x);
}
diff --git a/src/objects-debug.cc b/src/objects-debug.cc
index 0b83182..a3552c7 100644
--- a/src/objects-debug.cc
+++ b/src/objects-debug.cc
@@ -368,8 +368,10 @@
} else {
ASSERT(number->IsSmi());
int value = Smi::cast(number)->value();
- ASSERT(value == 0 || value == 1 || value == -1 ||
- value == -2 || value == -3);
+ // Hidden oddballs have negative smis.
+ const int kLeastHiddenOddballNumber = -4;
+ ASSERT(value <= 1);
+ ASSERT(value >= kLeastHiddenOddballNumber);
}
}
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 7935912..3c9dc82 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -730,6 +730,11 @@
}
+bool Object::IsArgumentsMarker() {
+ return this == Heap::arguments_marker();
+}
+
+
double Object::Number() {
ASSERT(IsNumber());
return IsSmi()
diff --git a/src/objects.cc b/src/objects.cc
index 927194f..f3f8003 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -1823,8 +1823,9 @@
// We only need to deal with CALLBACKS and INTERCEPTORS
MaybeObject* JSObject::SetPropertyWithFailedAccessCheck(LookupResult* result,
String* name,
- Object* value) {
- if (!result->IsProperty()) {
+ Object* value,
+ bool check_prototype) {
+ if (check_prototype && !result->IsProperty()) {
LookupCallbackSetterInPrototypes(name, result);
}
@@ -1850,7 +1851,8 @@
LookupResult r;
LookupRealNamedProperty(name, &r);
if (r.IsProperty()) {
- return SetPropertyWithFailedAccessCheck(&r, name, value);
+ return SetPropertyWithFailedAccessCheck(&r, name, value,
+ check_prototype);
}
break;
}
@@ -1891,7 +1893,7 @@
// Check access rights if needed.
if (IsAccessCheckNeeded()
&& !Top::MayNamedAccess(this, name, v8::ACCESS_SET)) {
- return SetPropertyWithFailedAccessCheck(result, name, value);
+ return SetPropertyWithFailedAccessCheck(result, name, value, true);
}
if (IsJSGlobalProxy()) {
@@ -1981,7 +1983,7 @@
// callback setter removed. The two lines looking up the LookupResult
// result are also added. If one of the functions is changed, the other
// should be.
-MaybeObject* JSObject::IgnoreAttributesAndSetLocalProperty(
+MaybeObject* JSObject::SetLocalPropertyIgnoreAttributes(
String* name,
Object* value,
PropertyAttributes attributes) {
@@ -1993,14 +1995,14 @@
// Check access rights if needed.
if (IsAccessCheckNeeded()
&& !Top::MayNamedAccess(this, name, v8::ACCESS_SET)) {
- return SetPropertyWithFailedAccessCheck(&result, name, value);
+ return SetPropertyWithFailedAccessCheck(&result, name, value, false);
}
if (IsJSGlobalProxy()) {
Object* proto = GetPrototype();
if (proto->IsNull()) return value;
ASSERT(proto->IsJSGlobalObject());
- return JSObject::cast(proto)->IgnoreAttributesAndSetLocalProperty(
+ return JSObject::cast(proto)->SetLocalPropertyIgnoreAttributes(
name,
value,
attributes);
diff --git a/src/objects.h b/src/objects.h
index eac7f92..063555e 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -709,6 +709,7 @@
INLINE(bool IsNull());
INLINE(bool IsTrue());
INLINE(bool IsFalse());
+ inline bool IsArgumentsMarker();
// Extract the number.
inline double Number();
@@ -1341,7 +1342,8 @@
MUST_USE_RESULT MaybeObject* SetPropertyWithFailedAccessCheck(
LookupResult* result,
String* name,
- Object* value);
+ Object* value,
+ bool check_prototype);
MUST_USE_RESULT MaybeObject* SetPropertyWithCallback(Object* structure,
String* name,
Object* value,
@@ -1356,7 +1358,7 @@
String* name,
Object* value,
PropertyAttributes attributes);
- MUST_USE_RESULT MaybeObject* IgnoreAttributesAndSetLocalProperty(
+ MUST_USE_RESULT MaybeObject* SetLocalPropertyIgnoreAttributes(
String* key,
Object* value,
PropertyAttributes attributes);
diff --git a/src/parser.cc b/src/parser.cc
index 5526933..5ea1c5e 100644
--- a/src/parser.cc
+++ b/src/parser.cc
@@ -2323,26 +2323,6 @@
}
}
- // Convert constant divisions to multiplications for speed.
- if (op == Token::DIV &&
- y && y->AsLiteral() && y->AsLiteral()->handle()->IsNumber()) {
- double y_val = y->AsLiteral()->handle()->Number();
- int64_t y_int = static_cast<int64_t>(y_val);
- // There are rounding issues with this optimization, but they don't
- // apply if the number to be divided with has a reciprocal that can be
- // precisely represented as a floating point number. This is the case
- // if the number is an integer power of 2. Negative integer powers of
- // 2 work too, but for -2, -1, 1 and 2 we don't do the strength
- // reduction because the inlined optimistic idiv has a reasonable
- // chance of succeeding by producing a Smi answer with no remainder.
- if (static_cast<double>(y_int) == y_val &&
- (IsPowerOf2(y_int) || IsPowerOf2(-y_int)) &&
- (y_int > 2 || y_int < -2)) {
- y = NewNumberLiteral(1 / y_val);
- op = Token::MUL;
- }
- }
-
// For now we distinguish between comparisons and other binary
// operations. (We could combine the two and get rid of this
// code and AST node eventually.)
@@ -3680,11 +3660,9 @@
if (value.is_null()) return Handle<Object>::null();
uint32_t index;
if (key->AsArrayIndex(&index)) {
- CALL_HEAP_FUNCTION_INLINE(
- (*json_object)->SetElement(index, *value, true));
+ SetOwnElement(json_object, index, value);
} else {
- CALL_HEAP_FUNCTION_INLINE(
- (*json_object)->SetPropertyPostInterceptor(*key, *value, NONE));
+ SetLocalPropertyIgnoreAttributes(json_object, key, value, NONE);
}
} while (scanner_.Next() == Token::COMMA);
if (scanner_.current_token() != Token::RBRACE) {
@@ -4044,9 +4022,21 @@
builder->AddCharacter('\v');
break;
case 'c': {
- Advance(2);
- uc32 control = ParseControlLetterEscape();
- builder->AddCharacter(control);
+ Advance();
+ uc32 controlLetter = Next();
+ // Special case if it is an ASCII letter.
+ // Convert lower case letters to uppercase.
+ uc32 letter = controlLetter & ~('a' ^ 'A');
+ if (letter < 'A' || 'Z' < letter) {
+ // controlLetter is not in range 'A'-'Z' or 'a'-'z'.
+ // This is outside the specification. We match JSC in
+ // reading the backslash as a literal character instead
+ // of as starting an escape.
+ builder->AddCharacter('\\');
+ } else {
+ Advance(2);
+ builder->AddCharacter(controlLetter & 0x1f);
+ }
break;
}
case 'x': {
@@ -4321,23 +4311,6 @@
}
-// Upper and lower case letters differ by one bit.
-STATIC_CHECK(('a' ^ 'A') == 0x20);
-
-uc32 RegExpParser::ParseControlLetterEscape() {
- if (!has_more())
- return 'c';
- uc32 letter = current() & ~(0x20); // Collapse upper and lower case letters.
- if (letter < 'A' || 'Z' < letter) {
- // Non-spec error-correction: "\c" followed by non-control letter is
- // interpreted as an IdentityEscape of 'c'.
- return 'c';
- }
- Advance();
- return letter & 0x1f; // Remainder modulo 32, per specification.
-}
-
-
uc32 RegExpParser::ParseOctalLiteral() {
ASSERT('0' <= current() && current() <= '7');
// For compatibility with some other browsers (not all), we parse
@@ -4403,9 +4376,23 @@
case 'v':
Advance();
return '\v';
- case 'c':
- Advance();
- return ParseControlLetterEscape();
+ case 'c': {
+ uc32 controlLetter = Next();
+ uc32 letter = controlLetter & ~('A' ^ 'a');
+ // For compatibility with JSC, inside a character class
+ // we also accept digits and underscore as control characters.
+ if ((controlLetter >= '0' && controlLetter <= '9') ||
+ controlLetter == '_' ||
+ (letter >= 'A' && letter <= 'Z')) {
+ Advance(2);
+ // Control letters mapped to ASCII control characters in the range
+ // 0x00-0x1f.
+ return controlLetter & 0x1f;
+ }
+ // We match JSC in reading the backslash as a literal
+ // character instead of as starting an escape.
+ return '\\';
+ }
case '0': case '1': case '2': case '3': case '4': case '5':
case '6': case '7':
// For compatibility, we interpret a decimal escape that isn't
diff --git a/src/parser.h b/src/parser.h
index 8623f38..1dfc153 100644
--- a/src/parser.h
+++ b/src/parser.h
@@ -321,7 +321,6 @@
// and sets the value if it is.
bool ParseHexEscape(int length, uc32* value);
- uc32 ParseControlLetterEscape();
uc32 ParseOctalLiteral();
// Tries to parse the input as a back reference. If successful it
diff --git a/src/runtime.cc b/src/runtime.cc
index 724a436..2aa4431 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -330,13 +330,18 @@
Handle<Object> result;
uint32_t element_index = 0;
if (key->IsSymbol()) {
- // If key is a symbol it is not an array element.
- Handle<String> name(String::cast(*key));
- ASSERT(!name->AsArrayIndex(&element_index));
- result = SetProperty(boilerplate, name, value, NONE);
+ if (Handle<String>::cast(key)->AsArrayIndex(&element_index)) {
+ // Array index as string (uint32).
+ result = SetOwnElement(boilerplate, element_index, value);
+ } else {
+ Handle<String> name(String::cast(*key));
+ ASSERT(!name->AsArrayIndex(&element_index));
+ result = SetLocalPropertyIgnoreAttributes(boilerplate, name,
+ value, NONE);
+ }
} else if (key->ToArrayIndex(&element_index)) {
// Array index (uint32).
- result = SetElement(boilerplate, element_index, value);
+ result = SetOwnElement(boilerplate, element_index, value);
} else {
// Non-uint32 number.
ASSERT(key->IsNumber());
@@ -345,7 +350,8 @@
Vector<char> buffer(arr, ARRAY_SIZE(arr));
const char* str = DoubleToCString(num, buffer);
Handle<String> name = Factory::NewStringFromAscii(CStrVector(str));
- result = SetProperty(boilerplate, name, value, NONE);
+ result = SetLocalPropertyIgnoreAttributes(boilerplate, name,
+ value, NONE);
}
// If setting the property on the boilerplate throws an
// exception, the exception is converted to an empty handle in
@@ -984,7 +990,7 @@
// of callbacks in the prototype chain (this rules out using
// SetProperty). Also, we must use the handle-based version to
// avoid GC issues.
- IgnoreAttributesAndSetLocalProperty(global, name, value, attributes);
+ SetLocalPropertyIgnoreAttributes(global, name, value, attributes);
}
}
@@ -1099,7 +1105,7 @@
// to assign to the property. When adding the property we take
// special precautions to always add it as a local property even in
// case of callbacks in the prototype chain (this rules out using
- // SetProperty). We have IgnoreAttributesAndSetLocalProperty for
+ // SetProperty). We have SetLocalPropertyIgnoreAttributes for
// this.
// Note that objects can have hidden prototypes, so we need to traverse
// the whole chain of hidden prototypes to do a 'local' lookup.
@@ -1162,9 +1168,9 @@
global = Top::context()->global();
if (assign) {
- return global->IgnoreAttributesAndSetLocalProperty(*name,
- args[1],
- attributes);
+ return global->SetLocalPropertyIgnoreAttributes(*name,
+ args[1],
+ attributes);
}
return Heap::undefined_value();
}
@@ -1190,13 +1196,13 @@
// there, we add the property and take special precautions to always
// add it as a local property even in case of callbacks in the
// prototype chain (this rules out using SetProperty).
- // We use IgnoreAttributesAndSetLocalProperty instead
+ // We use SetLocalPropertyIgnoreAttributes instead
LookupResult lookup;
global->LocalLookup(*name, &lookup);
if (!lookup.IsProperty()) {
- return global->IgnoreAttributesAndSetLocalProperty(*name,
- *value,
- attributes);
+ return global->SetLocalPropertyIgnoreAttributes(*name,
+ *value,
+ attributes);
}
// Determine if this is a redeclaration of something not
@@ -1467,27 +1473,27 @@
PropertyAttributes writable =
static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE);
MaybeObject* result;
- result = regexp->IgnoreAttributesAndSetLocalProperty(Heap::source_symbol(),
- source,
- final);
+ result = regexp->SetLocalPropertyIgnoreAttributes(Heap::source_symbol(),
+ source,
+ final);
ASSERT(!result->IsFailure());
- result = regexp->IgnoreAttributesAndSetLocalProperty(Heap::global_symbol(),
- global,
- final);
+ result = regexp->SetLocalPropertyIgnoreAttributes(Heap::global_symbol(),
+ global,
+ final);
ASSERT(!result->IsFailure());
result =
- regexp->IgnoreAttributesAndSetLocalProperty(Heap::ignore_case_symbol(),
- ignoreCase,
- final);
+ regexp->SetLocalPropertyIgnoreAttributes(Heap::ignore_case_symbol(),
+ ignoreCase,
+ final);
ASSERT(!result->IsFailure());
- result = regexp->IgnoreAttributesAndSetLocalProperty(Heap::multiline_symbol(),
- multiline,
- final);
+ result = regexp->SetLocalPropertyIgnoreAttributes(Heap::multiline_symbol(),
+ multiline,
+ final);
ASSERT(!result->IsFailure());
result =
- regexp->IgnoreAttributesAndSetLocalProperty(Heap::last_index_symbol(),
- Smi::FromInt(0),
- writable);
+ regexp->SetLocalPropertyIgnoreAttributes(Heap::last_index_symbol(),
+ Smi::FromInt(0),
+ writable);
ASSERT(!result->IsFailure());
USE(result);
return regexp;
@@ -3571,9 +3577,9 @@
NormalizeProperties(js_object, CLEAR_INOBJECT_PROPERTIES, 0);
// Use IgnoreAttributes version since a readonly property may be
// overridden and SetProperty does not allow this.
- return js_object->IgnoreAttributesAndSetLocalProperty(*name,
- *obj_value,
- attr);
+ return js_object->SetLocalPropertyIgnoreAttributes(*name,
+ *obj_value,
+ attr);
}
return Runtime::SetObjectProperty(js_object, name, obj_value, attr);
@@ -3674,9 +3680,9 @@
} else {
Handle<String> key_string = Handle<String>::cast(key);
key_string->TryFlatten();
- return js_object->IgnoreAttributesAndSetLocalProperty(*key_string,
- *value,
- attr);
+ return js_object->SetLocalPropertyIgnoreAttributes(*key_string,
+ *value,
+ attr);
}
}
@@ -3689,7 +3695,7 @@
if (name->AsArrayIndex(&index)) {
return js_object->SetElement(index, *value);
} else {
- return js_object->IgnoreAttributesAndSetLocalProperty(*name, *value, attr);
+ return js_object->SetLocalPropertyIgnoreAttributes(*name, *value, attr);
}
}
@@ -3771,7 +3777,7 @@
}
return object->
- IgnoreAttributesAndSetLocalProperty(name, args[2], attributes);
+ SetLocalPropertyIgnoreAttributes(name, args[2], attributes);
}
@@ -6742,7 +6748,7 @@
Handle<JSFunction> function(JSFunction::cast(frame->function()));
Handle<Object> arguments;
for (int i = frame->ComputeExpressionsCount() - 1; i >= 0; --i) {
- if (frame->GetExpression(i) == Heap::the_hole_value()) {
+ if (frame->GetExpression(i) == Heap::arguments_marker()) {
if (arguments.is_null()) {
// FunctionGetArguments can't throw an exception, so cast away the
// doubt with an assert.
@@ -10406,10 +10412,36 @@
}
+// Sets a v8 flag.
+static MaybeObject* Runtime_SetFlags(Arguments args) {
+ CONVERT_CHECKED(String, arg, args[0]);
+ SmartPointer<char> flags =
+ arg->ToCString(DISALLOW_NULLS, ROBUST_STRING_TRAVERSAL);
+ FlagList::SetFlagsFromString(*flags, StrLength(*flags));
+ return Heap::undefined_value();
+}
+
+
+// Performs a GC.
+// Presently, it only does a full GC.
+static MaybeObject* Runtime_CollectGarbage(Arguments args) {
+ Heap::CollectAllGarbage(true);
+ return Heap::undefined_value();
+}
+
+
+// Gets the current heap usage.
+static MaybeObject* Runtime_GetHeapUsage(Arguments args) {
+ int usage = static_cast<int>(Heap::SizeOfObjects());
+ if (!Smi::IsValid(usage)) {
+ return *Factory::NewNumberFromInt(usage);
+ }
+ return Smi::FromInt(usage);
+}
#endif // ENABLE_DEBUGGER_SUPPORT
-#ifdef ENABLE_LOGGING_AND_PROFILING
+#ifdef ENABLE_LOGGING_AND_PROFILING
static MaybeObject* Runtime_ProfilerResume(Arguments args) {
NoHandleAllocation ha;
ASSERT(args.length() == 2);
diff --git a/src/runtime.h b/src/runtime.h
index 5ecae7e..2fa7438 100644
--- a/src/runtime.h
+++ b/src/runtime.h
@@ -363,7 +363,12 @@
F(LiveEditCheckAndDropActivations, 2, 1) \
F(LiveEditCompareStringsLinewise, 2, 1) \
F(GetFunctionCodePositionFromSource, 2, 1) \
- F(ExecuteInDebugContext, 2, 1)
+ F(ExecuteInDebugContext, 2, 1) \
+ \
+ F(SetFlags, 1, 1) \
+ F(CollectGarbage, 1, 1) \
+ F(GetHeapUsage, 0, 1)
+
#else
#define RUNTIME_FUNCTION_LIST_DEBUGGER_SUPPORT(F)
#endif
diff --git a/src/runtime.js b/src/runtime.js
index 28a38ca..2cdbbde 100644
--- a/src/runtime.js
+++ b/src/runtime.js
@@ -165,7 +165,7 @@
if (IS_STRING(a)) {
return %_StringAdd(a, %ToString(b));
} else if (IS_STRING(b)) {
- return %_StringAdd(%ToString(a), b);
+ return %_StringAdd(%NonStringToString(a), b);
} else {
return %NumberAdd(%ToNumber(a), %ToNumber(b));
}
@@ -205,32 +205,32 @@
// ECMA-262, section 11.6.2, page 50.
function SUB(y) {
- var x = IS_NUMBER(this) ? this : %ToNumber(this);
- if (!IS_NUMBER(y)) y = %ToNumber(y);
+ var x = IS_NUMBER(this) ? this : %NonNumberToNumber(this);
+ if (!IS_NUMBER(y)) y = %NonNumberToNumber(y);
return %NumberSub(x, y);
}
// ECMA-262, section 11.5.1, page 48.
function MUL(y) {
- var x = IS_NUMBER(this) ? this : %ToNumber(this);
- if (!IS_NUMBER(y)) y = %ToNumber(y);
+ var x = IS_NUMBER(this) ? this : %NonNumberToNumber(this);
+ if (!IS_NUMBER(y)) y = %NonNumberToNumber(y);
return %NumberMul(x, y);
}
// ECMA-262, section 11.5.2, page 49.
function DIV(y) {
- var x = IS_NUMBER(this) ? this : %ToNumber(this);
- if (!IS_NUMBER(y)) y = %ToNumber(y);
+ var x = IS_NUMBER(this) ? this : %NonNumberToNumber(this);
+ if (!IS_NUMBER(y)) y = %NonNumberToNumber(y);
return %NumberDiv(x, y);
}
// ECMA-262, section 11.5.3, page 49.
function MOD(y) {
- var x = IS_NUMBER(this) ? this : %ToNumber(this);
- if (!IS_NUMBER(y)) y = %ToNumber(y);
+ var x = IS_NUMBER(this) ? this : %NonNumberToNumber(this);
+ if (!IS_NUMBER(y)) y = %NonNumberToNumber(y);
return %NumberMod(x, y);
}
@@ -243,8 +243,8 @@
// ECMA-262, section 11.10, page 57.
function BIT_OR(y) {
- var x = IS_NUMBER(this) ? this : %ToNumber(this);
- if (!IS_NUMBER(y)) y = %ToNumber(y);
+ var x = IS_NUMBER(this) ? this : %NonNumberToNumber(this);
+ if (!IS_NUMBER(y)) y = %NonNumberToNumber(y);
return %NumberOr(x, y);
}
@@ -254,14 +254,14 @@
var x;
if (IS_NUMBER(this)) {
x = this;
- if (!IS_NUMBER(y)) y = %ToNumber(y);
+ if (!IS_NUMBER(y)) y = %NonNumberToNumber(y);
} else {
- x = %ToNumber(this);
+ x = %NonNumberToNumber(this);
// Make sure to convert the right operand to a number before
// bailing out in the fast case, but after converting the
// left operand. This ensures that valueOf methods on the right
// operand are always executed.
- if (!IS_NUMBER(y)) y = %ToNumber(y);
+ if (!IS_NUMBER(y)) y = %NonNumberToNumber(y);
// Optimize for the case where we end up AND'ing a value
// that doesn't convert to a number. This is common in
// certain benchmarks.
@@ -273,30 +273,30 @@
// ECMA-262, section 11.10, page 57.
function BIT_XOR(y) {
- var x = IS_NUMBER(this) ? this : %ToNumber(this);
- if (!IS_NUMBER(y)) y = %ToNumber(y);
+ var x = IS_NUMBER(this) ? this : %NonNumberToNumber(this);
+ if (!IS_NUMBER(y)) y = %NonNumberToNumber(y);
return %NumberXor(x, y);
}
// ECMA-262, section 11.4.7, page 47.
function UNARY_MINUS() {
- var x = IS_NUMBER(this) ? this : %ToNumber(this);
+ var x = IS_NUMBER(this) ? this : %NonNumberToNumber(this);
return %NumberUnaryMinus(x);
}
// ECMA-262, section 11.4.8, page 48.
function BIT_NOT() {
- var x = IS_NUMBER(this) ? this : %ToNumber(this);
+ var x = IS_NUMBER(this) ? this : %NonNumberToNumber(this);
return %NumberNot(x);
}
// ECMA-262, section 11.7.1, page 51.
function SHL(y) {
- var x = IS_NUMBER(this) ? this : %ToNumber(this);
- if (!IS_NUMBER(y)) y = %ToNumber(y);
+ var x = IS_NUMBER(this) ? this : %NonNumberToNumber(this);
+ if (!IS_NUMBER(y)) y = %NonNumberToNumber(y);
return %NumberShl(x, y);
}
@@ -306,14 +306,14 @@
var x;
if (IS_NUMBER(this)) {
x = this;
- if (!IS_NUMBER(y)) y = %ToNumber(y);
+ if (!IS_NUMBER(y)) y = %NonNumberToNumber(y);
} else {
- x = %ToNumber(this);
+ x = %NonNumberToNumber(this);
// Make sure to convert the right operand to a number before
// bailing out in the fast case, but after converting the
// left operand. This ensures that valueOf methods on the right
// operand are always executed.
- if (!IS_NUMBER(y)) y = %ToNumber(y);
+ if (!IS_NUMBER(y)) y = %NonNumberToNumber(y);
// Optimize for the case where we end up shifting a value
// that doesn't convert to a number. This is common in
// certain benchmarks.
@@ -325,8 +325,8 @@
// ECMA-262, section 11.7.3, page 52.
function SHR(y) {
- var x = IS_NUMBER(this) ? this : %ToNumber(this);
- if (!IS_NUMBER(y)) y = %ToNumber(y);
+ var x = IS_NUMBER(this) ? this : %NonNumberToNumber(this);
+ if (!IS_NUMBER(y)) y = %NonNumberToNumber(y);
return %NumberShr(x, y);
}
@@ -511,6 +511,16 @@
return (IS_NULL(x)) ? 0 : ToNumber(%DefaultNumber(x));
}
+function NonNumberToNumber(x) {
+ if (IS_STRING(x)) {
+ return %_HasCachedArrayIndex(x) ? %_GetCachedArrayIndex(x)
+ : %StringToNumber(x);
+ }
+ if (IS_BOOLEAN(x)) return x ? 1 : 0;
+ if (IS_UNDEFINED(x)) return $NaN;
+ return (IS_NULL(x)) ? 0 : ToNumber(%DefaultNumber(x));
+}
+
// ECMA-262, section 9.8, page 35.
function ToString(x) {
@@ -568,12 +578,9 @@
if (IS_NUMBER(x)) {
if (NUMBER_IS_NAN(x) && NUMBER_IS_NAN(y)) return true;
// x is +0 and y is -0 or vice versa.
- if (x === 0 && y === 0 && (1 / x) != (1 / y)) {
- return false;
- }
- return x === y;
+ if (x === 0 && y === 0 && (1 / x) != (1 / y)) return false;
}
- return x === y
+ return x === y;
}
diff --git a/src/scanner-base.cc b/src/scanner-base.cc
index 1babaeb..997fb31 100644
--- a/src/scanner-base.cc
+++ b/src/scanner-base.cc
@@ -731,11 +731,18 @@
while (c0_ != '/' || in_character_class) {
if (ScannerConstants::kIsLineTerminator.get(c0_) || c0_ < 0) return false;
- if (c0_ == '\\') { // escaped character
+ if (c0_ == '\\') { // Escape sequence.
AddLiteralCharAdvance();
if (ScannerConstants::kIsLineTerminator.get(c0_) || c0_ < 0) return false;
AddLiteralCharAdvance();
- } else { // unescaped character
+ // If the escape allows more characters, i.e., \x??, \u????, or \c?,
+ // only "safe" characters are allowed (letters, digits, underscore),
+ // otherwise the escape isn't valid and the invalid character has
+ // its normal meaning. I.e., we can just continue scanning without
+ // worrying whether the following characters are part of the escape
+ // or not, since any '/', '\\' or '[' is guaranteed to not be part
+ // of the escape sequence.
+ } else { // Unescaped character.
if (c0_ == '[') in_character_class = true;
if (c0_ == ']') in_character_class = false;
AddLiteralCharAdvance();
diff --git a/src/serialize.cc b/src/serialize.cc
index 00a601f..19e6518 100644
--- a/src/serialize.cc
+++ b/src/serialize.cc
@@ -498,6 +498,10 @@
UNCLASSIFIED,
39,
"power_double_int_function");
+ Add(ExternalReference::arguments_marker_location().address(),
+ UNCLASSIFIED,
+ 40,
+ "Factory::arguments_marker().location()");
}
diff --git a/src/v8-counters.h b/src/v8-counters.h
index fa5d581..aa30e4e 100644
--- a/src/v8-counters.h
+++ b/src/v8-counters.h
@@ -249,15 +249,7 @@
SC(smi_checks_removed, V8.SmiChecksRemoved) \
SC(map_checks_removed, V8.MapChecksRemoved) \
SC(quote_json_char_count, V8.QuoteJsonCharacterCount) \
- SC(quote_json_char_recount, V8.QuoteJsonCharacterReCount) \
- SC(instance_of, V8.InstanceOf) \
- SC(instance_of_cache, V8.InstanceOfCache) \
- SC(instance_of_stub_true, V8.InstanceOfStubTrue) \
- SC(instance_of_stub_false, V8.InstanceOfStubFalse) \
- SC(instance_of_stub_false_null, V8.InstanceOfStubFalseNull) \
- SC(instance_of_stub_false_string, V8.InstanceOfStubFalseString) \
- SC(instance_of_full, V8.InstanceOfFull) \
- SC(instance_of_slow, V8.InstanceOfSlow)
+ SC(quote_json_char_recount, V8.QuoteJsonCharacterReCount)
// This file contains all the v8 counters that are in use.
diff --git a/src/v8natives.js b/src/v8natives.js
index 9fd2162..233f8b4 100644
--- a/src/v8natives.js
+++ b/src/v8natives.js
@@ -83,7 +83,7 @@
// ECMA 262 - 15.1.5
function GlobalIsFinite(number) {
- if (!IS_NUMBER(number)) number = ToNumber(number);
+ if (!IS_NUMBER(number)) number = NonNumberToNumber(number);
// NaN - NaN == NaN, Infinity - Infinity == NaN, -Infinity - -Infinity == NaN.
return %_IsSmi(number) || number - number == 0;
@@ -896,9 +896,14 @@
function BooleanToString() {
// NOTE: Both Boolean objects and values can enter here as
// 'this'. This is not as dictated by ECMA-262.
- if (!IS_BOOLEAN(this) && !IS_BOOLEAN_WRAPPER(this))
- throw new $TypeError('Boolean.prototype.toString is not generic');
- return ToString(%_ValueOf(this));
+ var b = this;
+ if (!IS_BOOLEAN(b)) {
+ if (!IS_BOOLEAN_WRAPPER(b)) {
+ throw new $TypeError('Boolean.prototype.toString is not generic');
+ }
+ b = %_ValueOf(b);
+ }
+ return b ? 'true' : 'false';
}
@@ -951,7 +956,7 @@
}
// Fast case: Convert number in radix 10.
if (IS_UNDEFINED(radix) || radix === 10) {
- return ToString(number);
+ return %_NumberToString(number);
}
// Convert the radix to an integer and check the range.
@@ -1150,11 +1155,8 @@
var p = '';
if (n > 1) {
p = new $Array(n - 1);
- // Explicitly convert all parameters to strings.
- // Array.prototype.join replaces null with empty strings which is
- // not appropriate.
- for (var i = 0; i < n - 1; i++) p[i] = ToString(%_Arguments(i));
- p = p.join(',');
+ for (var i = 0; i < n - 1; i++) p[i] = %_Arguments(i);
+ p = Join(p, n - 1, ',', NonStringToString);
// If the formal parameters string include ) - an illegal
// character - it may make the combined function expression
// compile. We avoid this problem by checking for this early on.
diff --git a/src/version.cc b/src/version.cc
index 008f779..c1cc2fc 100644
--- a/src/version.cc
+++ b/src/version.cc
@@ -34,8 +34,8 @@
// cannot be changed without changing the SCons build script.
#define MAJOR_VERSION 3
#define MINOR_VERSION 0
-#define BUILD_NUMBER 6
-#define PATCH_LEVEL 1
+#define BUILD_NUMBER 7
+#define PATCH_LEVEL 0
#define CANDIDATE_VERSION false
// Define SONAME to have the SCons build the put a specific SONAME into the
diff --git a/src/x64/code-stubs-x64.cc b/src/x64/code-stubs-x64.cc
index 60ec35d..59522d2 100644
--- a/src/x64/code-stubs-x64.cc
+++ b/src/x64/code-stubs-x64.cc
@@ -988,8 +988,195 @@
Handle<Code> GetTypeRecordingBinaryOpStub(int key,
TRBinaryOpIC::TypeInfo type_info,
TRBinaryOpIC::TypeInfo result_type_info) {
+ TypeRecordingBinaryOpStub stub(key, type_info, result_type_info);
+ return stub.GetCode();
+}
+
+
+void TypeRecordingBinaryOpStub::GenerateTypeTransition(MacroAssembler* masm) {
+ __ pop(rcx); // Save return address.
+ __ push(rdx);
+ __ push(rax);
+ // Left and right arguments are now on top.
+ // Push this stub's key. Although the operation and the type info are
+ // encoded into the key, the encoding is opaque, so push them too.
+ __ Push(Smi::FromInt(MinorKey()));
+ __ Push(Smi::FromInt(op_));
+ __ Push(Smi::FromInt(operands_type_));
+
+ __ push(rcx); // Push return address.
+
+ // Patch the caller to an appropriate specialized stub and return the
+ // operation result to the caller of the stub.
+ __ TailCallExternalReference(
+ ExternalReference(IC_Utility(IC::kTypeRecordingBinaryOp_Patch)),
+ 5,
+ 1);
+}
+
+
+// Prepare for a type transition runtime call when the args are already on
+// the stack, under the return address.
+void TypeRecordingBinaryOpStub::GenerateTypeTransitionWithSavedArgs(
+ MacroAssembler* masm) {
+ __ pop(rcx); // Save return address.
+ // Left and right arguments are already on top of the stack.
+ // Push this stub's key. Although the operation and the type info are
+ // encoded into the key, the encoding is opaque, so push them too.
+ __ Push(Smi::FromInt(MinorKey()));
+ __ Push(Smi::FromInt(op_));
+ __ Push(Smi::FromInt(operands_type_));
+
+ __ push(rcx); // Push return address.
+
+ // Patch the caller to an appropriate specialized stub and return the
+ // operation result to the caller of the stub.
+ __ TailCallExternalReference(
+ ExternalReference(IC_Utility(IC::kTypeRecordingBinaryOp_Patch)),
+ 5,
+ 1);
+}
+
+
+void TypeRecordingBinaryOpStub::Generate(MacroAssembler* masm) {
+ switch (operands_type_) {
+ case TRBinaryOpIC::UNINITIALIZED:
+ GenerateTypeTransition(masm);
+ break;
+ case TRBinaryOpIC::SMI:
+ GenerateSmiStub(masm);
+ break;
+ case TRBinaryOpIC::INT32:
+ GenerateInt32Stub(masm);
+ break;
+ case TRBinaryOpIC::HEAP_NUMBER:
+ GenerateHeapNumberStub(masm);
+ break;
+ case TRBinaryOpIC::STRING:
+ GenerateStringStub(masm);
+ break;
+ case TRBinaryOpIC::GENERIC:
+ GenerateGeneric(masm);
+ break;
+ default:
+ UNREACHABLE();
+ }
+}
+
+
+const char* TypeRecordingBinaryOpStub::GetName() {
+ if (name_ != NULL) return name_;
+ const int kMaxNameLength = 100;
+ name_ = Bootstrapper::AllocateAutoDeletedArray(kMaxNameLength);
+ if (name_ == NULL) return "OOM";
+ const char* op_name = Token::Name(op_);
+ const char* overwrite_name;
+ switch (mode_) {
+ case NO_OVERWRITE: overwrite_name = "Alloc"; break;
+ case OVERWRITE_RIGHT: overwrite_name = "OverwriteRight"; break;
+ case OVERWRITE_LEFT: overwrite_name = "OverwriteLeft"; break;
+ default: overwrite_name = "UnknownOverwrite"; break;
+ }
+
+ OS::SNPrintF(Vector<char>(name_, kMaxNameLength),
+ "TypeRecordingBinaryOpStub_%s_%s_%s",
+ op_name,
+ overwrite_name,
+ TRBinaryOpIC::GetName(operands_type_));
+ return name_;
+}
+
+
+void TypeRecordingBinaryOpStub::GenerateSmiCode(MacroAssembler* masm,
+ Label* slow,
+ SmiCodeGenerateHeapNumberResults allow_heapnumber_results) {
UNIMPLEMENTED();
- return Handle<Code>::null();
+}
+
+
+void TypeRecordingBinaryOpStub::GenerateSmiStub(MacroAssembler* masm) {
+ Label call_runtime;
+
+ switch (op_) {
+ case Token::ADD:
+ case Token::SUB:
+ case Token::MUL:
+ case Token::DIV:
+ break;
+ case Token::MOD:
+ case Token::BIT_OR:
+ case Token::BIT_AND:
+ case Token::BIT_XOR:
+ case Token::SAR:
+ case Token::SHL:
+ case Token::SHR:
+ GenerateRegisterArgsPush(masm);
+ break;
+ default:
+ UNREACHABLE();
+ }
+
+ if (result_type_ == TRBinaryOpIC::UNINITIALIZED ||
+ result_type_ == TRBinaryOpIC::SMI) {
+ GenerateSmiCode(masm, &call_runtime, NO_HEAPNUMBER_RESULTS);
+ } else {
+ GenerateSmiCode(masm, &call_runtime, ALLOW_HEAPNUMBER_RESULTS);
+ }
+ __ bind(&call_runtime);
+ switch (op_) {
+ case Token::ADD:
+ case Token::SUB:
+ case Token::MUL:
+ case Token::DIV:
+ GenerateTypeTransition(masm);
+ break;
+ case Token::MOD:
+ case Token::BIT_OR:
+ case Token::BIT_AND:
+ case Token::BIT_XOR:
+ case Token::SAR:
+ case Token::SHL:
+ case Token::SHR:
+ GenerateTypeTransitionWithSavedArgs(masm);
+ break;
+ default:
+ UNREACHABLE();
+ }
+}
+
+
+void TypeRecordingBinaryOpStub::GenerateStringStub(MacroAssembler* masm) {
+ UNIMPLEMENTED();
+}
+
+
+void TypeRecordingBinaryOpStub::GenerateInt32Stub(MacroAssembler* masm) {
+ UNIMPLEMENTED();
+}
+
+
+void TypeRecordingBinaryOpStub::GenerateHeapNumberStub(MacroAssembler* masm) {
+ UNIMPLEMENTED();
+}
+
+
+void TypeRecordingBinaryOpStub::GenerateGeneric(MacroAssembler* masm) {
+ UNIMPLEMENTED();
+}
+
+
+void TypeRecordingBinaryOpStub::GenerateHeapResultAllocation(
+ MacroAssembler* masm,
+ Label* alloc_failure) {
+ UNIMPLEMENTED();
+}
+
+
+void TypeRecordingBinaryOpStub::GenerateRegisterArgsPush(MacroAssembler* masm) {
+ __ pop(rcx);
+ __ push(rdx);
+ __ push(rax);
+ __ push(rcx);
}
diff --git a/src/x64/code-stubs-x64.h b/src/x64/code-stubs-x64.h
index 0fe4f8a..5056f34 100644
--- a/src/x64/code-stubs-x64.h
+++ b/src/x64/code-stubs-x64.h
@@ -131,7 +131,7 @@
#ifdef DEBUG
void Print() {
PrintF("GenericBinaryOpStub %d (op %s), "
- "(mode %d, flags %d, registers %d, reversed %d, only_numbers %s)\n",
+ "(mode %d, flags %d, registers %d, reversed %d, type_info %s)\n",
MinorKey(),
Token::String(op_),
static_cast<int>(mode_),
@@ -200,6 +200,104 @@
friend class CodeGenerator;
};
+
+class TypeRecordingBinaryOpStub: public CodeStub {
+ public:
+ TypeRecordingBinaryOpStub(Token::Value op, OverwriteMode mode)
+ : op_(op),
+ mode_(mode),
+ operands_type_(TRBinaryOpIC::UNINITIALIZED),
+ result_type_(TRBinaryOpIC::UNINITIALIZED),
+ name_(NULL) {
+ ASSERT(OpBits::is_valid(Token::NUM_TOKENS));
+ }
+
+ TypeRecordingBinaryOpStub(
+ int key,
+ TRBinaryOpIC::TypeInfo operands_type,
+ TRBinaryOpIC::TypeInfo result_type = TRBinaryOpIC::UNINITIALIZED)
+ : op_(OpBits::decode(key)),
+ mode_(ModeBits::decode(key)),
+ operands_type_(operands_type),
+ result_type_(result_type),
+ name_(NULL) { }
+
+ private:
+ enum SmiCodeGenerateHeapNumberResults {
+ ALLOW_HEAPNUMBER_RESULTS,
+ NO_HEAPNUMBER_RESULTS
+ };
+
+ Token::Value op_;
+ OverwriteMode mode_;
+
+ // Operand type information determined at runtime.
+ TRBinaryOpIC::TypeInfo operands_type_;
+ TRBinaryOpIC::TypeInfo result_type_;
+
+ char* name_;
+
+ const char* GetName();
+
+#ifdef DEBUG
+ void Print() {
+ PrintF("TypeRecordingBinaryOpStub %d (op %s), "
+ "(mode %d, runtime_type_info %s)\n",
+ MinorKey(),
+ Token::String(op_),
+ static_cast<int>(mode_),
+ TRBinaryOpIC::GetName(operands_type_));
+ }
+#endif
+
+ // Minor key encoding in 15 bits RRRTTTOOOOOOOMM.
+ class ModeBits: public BitField<OverwriteMode, 0, 2> {};
+ class OpBits: public BitField<Token::Value, 2, 7> {};
+ class OperandTypeInfoBits: public BitField<TRBinaryOpIC::TypeInfo, 9, 3> {};
+ class ResultTypeInfoBits: public BitField<TRBinaryOpIC::TypeInfo, 12, 3> {};
+
+ Major MajorKey() { return TypeRecordingBinaryOp; }
+ int MinorKey() {
+ return OpBits::encode(op_)
+ | ModeBits::encode(mode_)
+ | OperandTypeInfoBits::encode(operands_type_)
+ | ResultTypeInfoBits::encode(result_type_);
+ }
+
+ void Generate(MacroAssembler* masm);
+ void GenerateGeneric(MacroAssembler* masm);
+ void GenerateSmiCode(MacroAssembler* masm,
+ Label* slow,
+ SmiCodeGenerateHeapNumberResults heapnumber_results);
+ void GenerateLoadArguments(MacroAssembler* masm);
+ void GenerateReturn(MacroAssembler* masm);
+ void GenerateUninitializedStub(MacroAssembler* masm);
+ void GenerateSmiStub(MacroAssembler* masm);
+ void GenerateInt32Stub(MacroAssembler* masm);
+ void GenerateHeapNumberStub(MacroAssembler* masm);
+ void GenerateStringStub(MacroAssembler* masm);
+ void GenerateGenericStub(MacroAssembler* masm);
+
+ void GenerateHeapResultAllocation(MacroAssembler* masm, Label* alloc_failure);
+ void GenerateRegisterArgsPush(MacroAssembler* masm);
+ void GenerateTypeTransition(MacroAssembler* masm);
+ void GenerateTypeTransitionWithSavedArgs(MacroAssembler* masm);
+
+ virtual int GetCodeKind() { return Code::TYPE_RECORDING_BINARY_OP_IC; }
+
+ virtual InlineCacheState GetICState() {
+ return TRBinaryOpIC::ToState(operands_type_);
+ }
+
+ virtual void FinishCode(Code* code) {
+ code->set_type_recording_binary_op_type(operands_type_);
+ code->set_type_recording_binary_op_result_type(result_type_);
+ }
+
+ friend class CodeGenerator;
+};
+
+
class StringHelper : public AllStatic {
public:
// Generate code for copying characters using a simple loop. This should only
diff --git a/src/x64/codegen-x64.cc b/src/x64/codegen-x64.cc
index aa5d335..a543a50 100644
--- a/src/x64/codegen-x64.cc
+++ b/src/x64/codegen-x64.cc
@@ -627,10 +627,10 @@
Comment cmnt(masm_, "[ store arguments object");
if (mode == LAZY_ARGUMENTS_ALLOCATION && initial) {
- // When using lazy arguments allocation, we store the hole value
+ // When using lazy arguments allocation, we store the arguments marker value
// as a sentinel indicating that the arguments object hasn't been
// allocated yet.
- frame_->Push(Factory::the_hole_value());
+ frame_->Push(Factory::arguments_marker());
} else {
ArgumentsAccessStub stub(ArgumentsAccessStub::NEW_OBJECT);
frame_->PushFunction();
@@ -655,9 +655,9 @@
if (probe.is_constant()) {
// We have to skip updating the arguments object if it has
// been assigned a proper value.
- skip_arguments = !probe.handle()->IsTheHole();
+ skip_arguments = !probe.handle()->IsArgumentsMarker();
} else {
- __ CompareRoot(probe.reg(), Heap::kTheHoleValueRootIndex);
+ __ CompareRoot(probe.reg(), Heap::kArgumentsMarkerRootIndex);
probe.Unuse();
done.Branch(not_equal);
}
@@ -2516,9 +2516,9 @@
Label slow, done;
bool try_lazy = true;
if (probe.is_constant()) {
- try_lazy = probe.handle()->IsTheHole();
+ try_lazy = probe.handle()->IsArgumentsMarker();
} else {
- __ CompareRoot(probe.reg(), Heap::kTheHoleValueRootIndex);
+ __ CompareRoot(probe.reg(), Heap::kArgumentsMarkerRootIndex);
probe.Unuse();
__ j(not_equal, &slow);
}
@@ -4417,7 +4417,7 @@
// If the loaded value is a constant, we know if the arguments
// object has been lazily loaded yet.
if (value.is_constant()) {
- if (value.handle()->IsTheHole()) {
+ if (value.handle()->IsArgumentsMarker()) {
Result arguments = StoreArgumentsObject(false);
frame_->Push(&arguments);
} else {
@@ -4430,7 +4430,7 @@
// indicates that we haven't loaded the arguments object yet, we
// need to do it now.
JumpTarget exit;
- __ CompareRoot(value.reg(), Heap::kTheHoleValueRootIndex);
+ __ CompareRoot(value.reg(), Heap::kArgumentsMarkerRootIndex);
frame_->Push(&value);
exit.Branch(not_equal);
Result arguments = StoreArgumentsObject(false);
diff --git a/src/x64/full-codegen-x64.cc b/src/x64/full-codegen-x64.cc
index 66bc4ed..724a7c5 100644
--- a/src/x64/full-codegen-x64.cc
+++ b/src/x64/full-codegen-x64.cc
@@ -1,4 +1,4 @@
-// Copyright 2010 the V8 project authors. All rights reserved.
+// 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:
@@ -210,10 +210,17 @@
__ j(above_equal, &ok);
StackCheckStub stub;
__ CallStub(&stub);
+ // Record a mapping of this PC offset to the OSR id. This is used to find
+ // the AST id from the unoptimized code in order to use it as a key into
+ // the deoptimization input data found in the optimized code.
+ RecordStackCheck(stmt->OsrEntryId());
+
__ bind(&ok);
PrepareForBailoutForId(stmt->EntryId(), NO_REGISTERS);
+ // Record a mapping of the OSR id to this PC. This is used if the OSR
+ // entry becomes the target of a bailout. We don't expect it to be, but
+ // we want it to work if it is.
PrepareForBailoutForId(stmt->OsrEntryId(), NO_REGISTERS);
- RecordStackCheck(stmt->OsrEntryId());
}
@@ -459,7 +466,10 @@
void FullCodeGenerator::TestContext::Plug(bool flag) const {
- codegen()->PrepareForBailoutBeforeSplit(TOS_REG, false, NULL, NULL);
+ codegen()->PrepareForBailoutBeforeSplit(TOS_REG,
+ true,
+ true_label_,
+ false_label_);
if (flag) {
if (true_label_ != fall_through_) __ jmp(true_label_);
} else {
@@ -555,6 +565,25 @@
bool should_normalize,
Label* if_true,
Label* if_false) {
+ // Only prepare for bailouts before splits if we're in a test
+ // context. Otherwise, we let the Visit function deal with the
+ // preparation to avoid preparing with the same AST id twice.
+ if (!context()->IsTest() || !info_->IsOptimizable()) return;
+
+ NearLabel skip;
+ if (should_normalize) __ jmp(&skip);
+
+ ForwardBailoutStack* current = forward_bailout_stack_;
+ while (current != NULL) {
+ PrepareForBailout(current->expr(), state);
+ current = current->parent();
+ }
+
+ if (should_normalize) {
+ __ CompareRoot(rax, Heap::kTrueValueRootIndex);
+ Split(equal, if_true, if_false, NULL);
+ __ bind(&skip);
+ }
}
@@ -669,8 +698,10 @@
Comment cmnt(masm_, "[ SwitchStatement");
Breakable nested_statement(this, stmt);
SetStatementPosition(stmt);
+
// Keep the switch value on the stack until a case matches.
VisitForStackValue(stmt->tag());
+ PrepareForBailoutForId(stmt->EntryId(), NO_REGISTERS);
ZoneList<CaseClause*>* clauses = stmt->cases();
CaseClause* default_clause = NULL; // Can occur anywhere in the list.
@@ -735,6 +766,7 @@
}
__ bind(nested_statement.break_target());
+ PrepareForBailoutForId(stmt->ExitId(), NO_REGISTERS);
}
@@ -1224,6 +1256,7 @@
if (property->emit_store()) {
Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Initialize));
EmitCallIC(ic, RelocInfo::CODE_TARGET);
+ PrepareForBailoutForId(key->id(), NO_REGISTERS);
}
break;
}
@@ -1311,6 +1344,8 @@
// Update the write barrier for the array store.
__ RecordWrite(rbx, offset, result_register(), rcx);
+
+ PrepareForBailoutForId(expr->GetIdForElement(i), NO_REGISTERS);
}
if (result_saved) {
@@ -1355,17 +1390,34 @@
VisitForStackValue(property->obj());
}
break;
- case KEYED_PROPERTY:
+ case KEYED_PROPERTY: {
if (expr->is_compound()) {
- VisitForStackValue(property->obj());
- VisitForAccumulatorValue(property->key());
+ if (property->is_arguments_access()) {
+ VariableProxy* obj_proxy = property->obj()->AsVariableProxy();
+ MemOperand slot_operand =
+ EmitSlotSearch(obj_proxy->var()->AsSlot(), rcx);
+ __ push(slot_operand);
+ __ Move(rax, property->key()->AsLiteral()->handle());
+ } else {
+ VisitForStackValue(property->obj());
+ VisitForAccumulatorValue(property->key());
+ }
__ movq(rdx, Operand(rsp, 0));
__ push(rax);
} else {
- VisitForStackValue(property->obj());
- VisitForStackValue(property->key());
+ if (property->is_arguments_access()) {
+ VariableProxy* obj_proxy = property->obj()->AsVariableProxy();
+ MemOperand slot_operand =
+ EmitSlotSearch(obj_proxy->var()->AsSlot(), rcx);
+ __ push(slot_operand);
+ __ Push(property->key()->AsLiteral()->handle());
+ } else {
+ VisitForStackValue(property->obj());
+ VisitForStackValue(property->key());
+ }
}
break;
+ }
}
if (expr->is_compound()) {
@@ -1383,6 +1435,12 @@
}
}
+ // For property compound assignments we need another deoptimization
+ // point after the property load.
+ if (property != NULL) {
+ PrepareForBailoutForId(expr->CompoundLoadId(), TOS_REG);
+ }
+
Token::Value op = expr->binary_op();
ConstantOperand constant = ShouldInlineSmiCase(op)
? GetConstantOperand(op, expr->target(), expr->value())
@@ -1408,6 +1466,8 @@
} else {
EmitBinaryOp(op, mode);
}
+ // Deoptimization point in case the binary operation may have side effects.
+ PrepareForBailout(expr->binary_operation(), TOS_REG);
} else {
VisitForAccumulatorValue(expr->value());
}
@@ -1420,6 +1480,7 @@
case VARIABLE:
EmitVariableAssignment(expr->target()->AsVariableProxy()->var(),
expr->op());
+ PrepareForBailoutForId(expr->AssignmentId(), TOS_REG);
context()->Plug(rax);
break;
case NAMED_PROPERTY:
@@ -1529,7 +1590,7 @@
}
-void FullCodeGenerator::EmitAssignment(Expression* expr, int bailout_id) {
+void FullCodeGenerator::EmitAssignment(Expression* expr, int bailout_ast_id) {
// Invalid left-hand sides are rewritten to have a 'throw
// ReferenceError' on the left-hand side.
if (!expr->IsValidLeftHandSide()) {
@@ -1577,6 +1638,7 @@
break;
}
}
+ PrepareForBailoutForId(bailout_ast_id, TOS_REG);
context()->Plug(rax);
}
@@ -1688,6 +1750,7 @@
__ pop(rax);
__ Drop(1);
}
+ PrepareForBailoutForId(expr->AssignmentId(), TOS_REG);
context()->Plug(rax);
}
@@ -1726,6 +1789,7 @@
__ pop(rax);
}
+ PrepareForBailoutForId(expr->AssignmentId(), TOS_REG);
context()->Plug(rax);
}
@@ -1766,6 +1830,7 @@
InLoopFlag in_loop = (loop_depth() > 0) ? IN_LOOP : NOT_IN_LOOP;
Handle<Code> ic = StubCache::ComputeCallInitialize(arg_count, in_loop);
EmitCallIC(ic, mode);
+ RecordJSReturnSite(expr);
// Restore context register.
__ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
context()->Plug(rax);
@@ -1799,6 +1864,7 @@
Handle<Code> ic = StubCache::ComputeKeyedCallInitialize(arg_count, in_loop);
__ movq(rcx, Operand(rsp, (arg_count + 1) * kPointerSize)); // Key.
EmitCallIC(ic, mode);
+ RecordJSReturnSite(expr);
// Restore context register.
__ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
context()->DropAndPlug(1, rax); // Drop the key still on the stack.
@@ -1819,6 +1885,7 @@
InLoopFlag in_loop = (loop_depth() > 0) ? IN_LOOP : NOT_IN_LOOP;
CallFunctionStub stub(arg_count, in_loop, RECEIVER_MIGHT_BE_VALUE);
__ CallStub(&stub);
+ RecordJSReturnSite(expr);
// Restore context register.
__ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
// Discard the function left on TOS.
@@ -1827,6 +1894,12 @@
void FullCodeGenerator::VisitCall(Call* expr) {
+#ifdef DEBUG
+ // We want to verify that RecordJSReturnSite gets called on all paths
+ // through this function. Avoid early returns.
+ expr->return_is_recorded_ = false;
+#endif
+
Comment cmnt(masm_, "[ Call");
Expression* fun = expr->expression();
Variable* var = fun->AsVariableProxy()->AsVariable();
@@ -1834,7 +1907,7 @@
if (var != NULL && var->is_possibly_eval()) {
// In a call to eval, we first call %ResolvePossiblyDirectEval to
// resolve the function we need to call and the receiver of the
- // call. The we call the resolved function using the given
+ // call. Then we call the resolved function using the given
// arguments.
ZoneList<Expression*>* args = expr->arguments();
int arg_count = args->length();
@@ -1871,6 +1944,7 @@
InLoopFlag in_loop = (loop_depth() > 0) ? IN_LOOP : NOT_IN_LOOP;
CallFunctionStub stub(arg_count, in_loop, RECEIVER_MIGHT_BE_VALUE);
__ CallStub(&stub);
+ RecordJSReturnSite(expr);
// Restore context register.
__ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
context()->DropAndPlug(1, rax);
@@ -1893,32 +1967,31 @@
&done);
__ bind(&slow);
- // Call the runtime to find the function to call (returned in rax)
- // and the object holding it (returned in rdx).
- __ push(context_register());
- __ Push(var->name());
- __ CallRuntime(Runtime::kLoadContextSlot, 2);
- __ push(rax); // Function.
- __ push(rdx); // Receiver.
+ }
+ // Call the runtime to find the function to call (returned in rax)
+ // and the object holding it (returned in rdx).
+ __ push(context_register());
+ __ Push(var->name());
+ __ CallRuntime(Runtime::kLoadContextSlot, 2);
+ __ push(rax); // Function.
+ __ push(rdx); // Receiver.
- // If fast case code has been generated, emit code to push the
- // function and receiver and have the slow path jump around this
- // code.
- if (done.is_linked()) {
- NearLabel call;
- __ jmp(&call);
- __ bind(&done);
- // Push function.
- __ push(rax);
- // Push global receiver.
+ // If fast case code has been generated, emit code to push the
+ // function and receiver and have the slow path jump around this
+ // code.
+ if (done.is_linked()) {
+ NearLabel call;
+ __ jmp(&call);
+ __ bind(&done);
+ // Push function.
+ __ push(rax);
+ // Push global receiver.
__ movq(rbx, GlobalObjectOperand());
__ push(FieldOperand(rbx, GlobalObject::kGlobalReceiverOffset));
__ bind(&call);
- }
}
EmitCallWithStub(expr);
-
} else if (fun->AsProperty() != NULL) {
// Call to an object property.
Property* prop = fun->AsProperty();
@@ -1932,24 +2005,23 @@
} else {
// Call to a keyed property.
// For a synthetic property use keyed load IC followed by function call,
- // for a regular property use KeyedCallIC.
+ // for a regular property use keyed EmitCallIC.
{ PreservePositionScope scope(masm()->positions_recorder());
VisitForStackValue(prop->obj());
}
if (prop->is_synthetic()) {
{ PreservePositionScope scope(masm()->positions_recorder());
VisitForAccumulatorValue(prop->key());
- __ movq(rdx, Operand(rsp, 0));
}
// Record source code position for IC call.
SetSourcePosition(prop->position());
+ __ pop(rdx); // We do not need to keep the receiver.
+
Handle<Code> ic(Builtins::builtin(Builtins::KeyedLoadIC_Initialize));
EmitCallIC(ic, RelocInfo::CODE_TARGET);
- // Pop receiver.
- __ pop(rbx);
// Push result (function).
__ push(rax);
- // Push receiver object on stack.
+ // Push Global receiver.
__ movq(rcx, GlobalObjectOperand());
__ push(FieldOperand(rcx, GlobalObject::kGlobalReceiverOffset));
EmitCallWithStub(expr);
@@ -1960,7 +2032,7 @@
} else {
// Call to some other expression. If the expression is an anonymous
// function literal not called in a loop, mark it as one that should
- // also use the fast code generator.
+ // also use the full code generator.
FunctionLiteral* lit = fun->AsFunctionLiteral();
if (lit != NULL &&
lit->name()->Equals(Heap::empty_string()) &&
@@ -1976,6 +2048,11 @@
// Emit function call.
EmitCallWithStub(expr);
}
+
+#ifdef DEBUG
+ // RecordJSReturnSite should have been called.
+ ASSERT(expr->return_is_recorded_);
+#endif
}
@@ -2023,6 +2100,7 @@
context()->PrepareTest(&materialize_true, &materialize_false,
&if_true, &if_false, &fall_through);
+ PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false);
__ JumpIfSmi(rax, if_true);
__ jmp(if_false);
@@ -2042,6 +2120,7 @@
context()->PrepareTest(&materialize_true, &materialize_false,
&if_true, &if_false, &fall_through);
+ PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false);
Condition non_negative_smi = masm()->CheckNonNegativeSmi(rax);
Split(non_negative_smi, if_true, if_false, fall_through);
@@ -2073,6 +2152,7 @@
__ cmpq(rbx, Immediate(FIRST_JS_OBJECT_TYPE));
__ j(below, if_false);
__ cmpq(rbx, Immediate(LAST_JS_OBJECT_TYPE));
+ PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false);
Split(below_equal, if_true, if_false, fall_through);
context()->Plug(if_true, if_false);
@@ -2093,6 +2173,7 @@
__ JumpIfSmi(rax, if_false);
__ CmpObjectType(rax, FIRST_JS_OBJECT_TYPE, rbx);
+ PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false);
Split(above_equal, if_true, if_false, fall_through);
context()->Plug(if_true, if_false);
@@ -2115,6 +2196,7 @@
__ movq(rbx, FieldOperand(rax, HeapObject::kMapOffset));
__ testb(FieldOperand(rbx, Map::kBitFieldOffset),
Immediate(1 << Map::kIsUndetectable));
+ PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false);
Split(not_zero, if_true, if_false, fall_through);
context()->Plug(if_true, if_false);
@@ -2137,6 +2219,7 @@
// Just indicate false, as %_IsStringWrapperSafeForDefaultValueOf() is only
// used in a few functions in runtime.js which should not normally be hit by
// this compiler.
+ PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false);
__ jmp(if_false);
context()->Plug(if_true, if_false);
}
@@ -2156,6 +2239,7 @@
__ JumpIfSmi(rax, if_false);
__ CmpObjectType(rax, JS_FUNCTION_TYPE, rbx);
+ PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false);
Split(equal, if_true, if_false, fall_through);
context()->Plug(if_true, if_false);
@@ -2176,6 +2260,7 @@
__ JumpIfSmi(rax, if_false);
__ CmpObjectType(rax, JS_ARRAY_TYPE, rbx);
+ PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false);
Split(equal, if_true, if_false, fall_through);
context()->Plug(if_true, if_false);
@@ -2196,6 +2281,7 @@
__ JumpIfSmi(rax, if_false);
__ CmpObjectType(rax, JS_REGEXP_TYPE, rbx);
+ PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false);
Split(equal, if_true, if_false, fall_through);
context()->Plug(if_true, if_false);
@@ -2227,6 +2313,7 @@
__ bind(&check_frame_marker);
__ SmiCompare(Operand(rax, StandardFrameConstants::kMarkerOffset),
Smi::FromInt(StackFrame::CONSTRUCT));
+ PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false);
Split(equal, if_true, if_false, fall_through);
context()->Plug(if_true, if_false);
@@ -2249,6 +2336,7 @@
__ pop(rbx);
__ cmpq(rax, rbx);
+ PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false);
Split(equal, if_true, if_false, fall_through);
context()->Plug(if_true, if_false);
@@ -2822,6 +2910,7 @@
__ testl(FieldOperand(rax, String::kHashFieldOffset),
Immediate(String::kContainsCachedArrayIndexMask));
+ PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false);
__ j(zero, if_true);
__ jmp(if_false);
@@ -2943,6 +3032,7 @@
// Notice that the labels are swapped.
context()->PrepareTest(&materialize_true, &materialize_false,
&if_false, &if_true, &fall_through);
+ if (context()->IsTest()) ForwardBailoutToChild(expr);
VisitForControl(expr->expression(), if_true, if_false, fall_through);
context()->Plug(if_false, if_true); // Labels swapped.
break;
@@ -3056,14 +3146,26 @@
__ push(rax); // Copy of receiver, needed for later store.
EmitNamedPropertyLoad(prop);
} else {
- VisitForStackValue(prop->obj());
- VisitForAccumulatorValue(prop->key());
+ if (prop->is_arguments_access()) {
+ VariableProxy* obj_proxy = prop->obj()->AsVariableProxy();
+ MemOperand slot_operand =
+ EmitSlotSearch(obj_proxy->var()->AsSlot(), rcx);
+ __ push(slot_operand);
+ __ Move(rax, prop->key()->AsLiteral()->handle());
+ } else {
+ VisitForStackValue(prop->obj());
+ VisitForAccumulatorValue(prop->key());
+ }
__ movq(rdx, Operand(rsp, 0)); // Leave receiver on stack
__ push(rax); // Copy of key, needed for later store.
EmitKeyedPropertyLoad(prop);
}
}
+ // We need a second deoptimization point after loading the value
+ // in case evaluating the property load my have a side effect.
+ PrepareForBailout(expr->increment(), TOS_REG);
+
// Call ToNumber only if operand is not a smi.
NearLabel no_conversion;
Condition is_smi;
@@ -3133,6 +3235,7 @@
{ EffectContext context(this);
EmitVariableAssignment(expr->expression()->AsVariableProxy()->var(),
Token::ASSIGN);
+ PrepareForBailoutForId(expr->AssignmentId(), TOS_REG);
context.Plug(rax);
}
// For all contexts except kEffect: We have the result on
@@ -3144,6 +3247,7 @@
// Perform the assignment as if via '='.
EmitVariableAssignment(expr->expression()->AsVariableProxy()->var(),
Token::ASSIGN);
+ PrepareForBailoutForId(expr->AssignmentId(), TOS_REG);
context()->Plug(rax);
}
break;
@@ -3152,6 +3256,7 @@
__ pop(rdx);
Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Initialize));
EmitCallIC(ic, RelocInfo::CODE_TARGET);
+ PrepareForBailoutForId(expr->AssignmentId(), TOS_REG);
if (expr->is_postfix()) {
if (!context()->IsEffect()) {
context()->PlugTOS();
@@ -3166,6 +3271,7 @@
__ pop(rdx);
Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Initialize));
EmitCallIC(ic, RelocInfo::CODE_TARGET);
+ PrepareForBailoutForId(expr->AssignmentId(), TOS_REG);
if (expr->is_postfix()) {
if (!context()->IsEffect()) {
context()->PlugTOS();
@@ -3192,6 +3298,7 @@
// Use a regular load, not a contextual load, to avoid a reference
// error.
EmitCallIC(ic, RelocInfo::CODE_TARGET);
+ PrepareForBailout(expr, TOS_REG);
context()->Plug(rax);
} else if (proxy != NULL &&
proxy->var()->AsSlot() != NULL &&
@@ -3207,12 +3314,13 @@
__ push(rsi);
__ Push(proxy->name());
__ CallRuntime(Runtime::kLoadContextSlotNoReferenceError, 2);
+ PrepareForBailout(expr, TOS_REG);
__ bind(&done);
context()->Plug(rax);
} else {
// This expression cannot throw a reference error at the top level.
- Visit(expr);
+ context()->HandleExpression(expr);
}
}
@@ -3237,6 +3345,7 @@
{ AccumulatorValueContext context(this);
VisitForTypeofValue(left_unary->expression());
}
+ PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false);
if (check->Equals(Heap::number_symbol())) {
Condition is_smi = masm_->CheckSmi(rax);
@@ -3330,6 +3439,7 @@
case Token::IN:
VisitForStackValue(expr->right());
__ InvokeBuiltin(Builtins::IN, CALL_FUNCTION);
+ PrepareForBailoutBeforeSplit(TOS_REG, false, NULL, NULL);
__ CompareRoot(rax, Heap::kTrueValueRootIndex);
Split(equal, if_true, if_false, fall_through);
break;
@@ -3338,6 +3448,7 @@
VisitForStackValue(expr->right());
InstanceofStub stub(InstanceofStub::kNoFlags);
__ CallStub(&stub);
+ PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false);
__ testq(rax, rax);
// The stub returns 0 for true.
Split(zero, if_true, if_false, fall_through);
@@ -3396,6 +3507,8 @@
: NO_COMPARE_FLAGS;
CompareStub stub(cc, strict, flags);
__ CallStub(&stub);
+
+ PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false);
__ testq(rax, rax);
Split(cc, if_true, if_false, fall_through);
}
@@ -3417,6 +3530,7 @@
&if_true, &if_false, &fall_through);
VisitForAccumulatorValue(expr->expression());
+ PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false);
__ CompareRoot(rax, Heap::kNullValueRootIndex);
if (expr->is_strict()) {
Split(equal, if_true, if_false, fall_through);
diff --git a/src/x64/lithium-x64.cc b/src/x64/lithium-x64.cc
new file mode 100644
index 0000000..8afa9d4
--- /dev/null
+++ b/src/x64/lithium-x64.cc
@@ -0,0 +1,71 @@
+// 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.
+
+#include "x64/lithium-x64.h"
+#include "x64/lithium-codegen-x64.h"
+
+namespace v8 {
+namespace internal {
+
+LChunk* LChunkBuilder::Build() {
+ ASSERT(is_unused());
+ chunk_ = new LChunk(graph());
+ HPhase phase("Building chunk", chunk_);
+ status_ = BUILDING;
+ const ZoneList<HBasicBlock*>* blocks = graph()->blocks();
+ for (int i = 0; i < blocks->length(); i++) {
+ HBasicBlock* next = NULL;
+ if (i < blocks->length() - 1) next = blocks->at(i + 1);
+ DoBasicBlock(blocks->at(i), next);
+ if (is_aborted()) return NULL;
+ }
+ status_ = DONE;
+ return chunk_;
+}
+
+
+void LChunkBuilder::Abort(const char* format, ...) {
+ if (FLAG_trace_bailout) {
+ SmartPointer<char> debug_name = graph()->debug_name()->ToCString();
+ PrintF("Aborting LChunk building in @\"%s\": ", *debug_name);
+ va_list arguments;
+ va_start(arguments, format);
+ OS::VPrint(format, arguments);
+ va_end(arguments);
+ PrintF("\n");
+ }
+ status_ = ABORTED;
+}
+
+
+void LChunkBuilder::DoBasicBlock(HBasicBlock* block, HBasicBlock* next_block) {
+ ASSERT(is_building());
+ Abort("Lithium not implemented on x64.");
+}
+
+
+} } // namespace v8::internal
diff --git a/src/x64/lithium-x64.h b/src/x64/lithium-x64.h
index f66ec16..fcab235 100644
--- a/src/x64/lithium-x64.h
+++ b/src/x64/lithium-x64.h
@@ -1,4 +1,4 @@
-// Copyright 2010 the V8 project authors. All rights reserved.
+// 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:
@@ -30,6 +30,7 @@
#include "hydrogen.h"
#include "lithium-allocator.h"
+#include "lithium.h"
#include "safepoint-table.h"
namespace v8 {
@@ -45,6 +46,9 @@
LInstruction() { }
virtual ~LInstruction() { }
+ virtual void PrintTo(StringStream* stream) const { UNIMPLEMENTED(); }
+ virtual void PrintDataTo(StringStream* stream) const { }
+
// Predicates should be generated by macro as in lithium-ia32.h.
virtual bool IsLabel() const {
UNIMPLEMENTED();
@@ -55,23 +59,43 @@
return false;
}
- LPointerMap* pointer_map() const {
- UNIMPLEMENTED();
- return NULL;
+ void set_environment(LEnvironment* env) { environment_.set(env); }
+ LEnvironment* environment() const { return environment_.get(); }
+ bool HasEnvironment() const { return environment_.is_set(); }
+
+ void set_pointer_map(LPointerMap* p) { pointer_map_.set(p); }
+ LPointerMap* pointer_map() const { return pointer_map_.get(); }
+ bool HasPointerMap() const { return pointer_map_.is_set(); }
+
+ void set_result(LOperand* operand) { result_.set(operand); }
+ LOperand* result() const { return result_.get(); }
+ bool HasResult() const { return result_.is_set(); }
+
+ void set_hydrogen_value(HValue* value) { hydrogen_value_ = value; }
+ HValue* hydrogen_value() const { return hydrogen_value_; }
+
+ void set_deoptimization_environment(LEnvironment* env) {
+ deoptimization_environment_.set(env);
+ }
+ LEnvironment* deoptimization_environment() const {
+ return deoptimization_environment_.get();
+ }
+ bool HasDeoptimizationEnvironment() const {
+ return deoptimization_environment_.is_set();
}
- bool HasPointerMap() const {
- UNIMPLEMENTED();
- return false;
- }
-
- virtual void PrintTo(StringStream* stream) const { UNIMPLEMENTED(); }
+ private:
+ SetOncePointer<LEnvironment> environment_;
+ SetOncePointer<LPointerMap> pointer_map_;
+ SetOncePointer<LOperand> result_;
+ HValue* hydrogen_value_;
+ SetOncePointer<LEnvironment> deoptimization_environment_;
};
class LParallelMove : public ZoneObject {
public:
- LParallelMove() { }
+ LParallelMove() : move_operands_(4) { }
void AddMove(LOperand* from, LOperand* to) {
UNIMPLEMENTED();
@@ -81,6 +105,9 @@
UNIMPLEMENTED();
return NULL;
}
+
+ private:
+ ZoneList<LMoveOperands> move_operands_;
};
@@ -111,12 +138,20 @@
UNIMPLEMENTED();
return NULL;
}
+
+ private:
+ LParallelMove* parallel_moves_[LAST_INNER_POSITION + 1];
+ HBasicBlock* block_;
};
class LLabel: public LGap {
public:
explicit LLabel(HBasicBlock* block) : LGap(block) { }
+
+ private:
+ Label label_;
+ LLabel* replacement_;
};
@@ -144,12 +179,21 @@
LOperand* spill_operand) {
UNIMPLEMENTED();
}
+
+ private:
+ // Arrays of spill slot operands for registers with an assigned spill
+ // slot, i.e., that must also be restored to the spill slot on OSR entry.
+ // NULL if the register has no assigned spill slot. Indexed by allocation
+ // index.
+ LOperand* register_spills_[Register::kNumAllocatableRegisters];
+ LOperand* double_register_spills_[DoubleRegister::kNumAllocatableRegisters];
};
class LPointerMap: public ZoneObject {
public:
- explicit LPointerMap(int position) { }
+ explicit LPointerMap(int position)
+ : pointer_operands_(8), position_(position), lithium_position_(-1) { }
int lithium_position() const {
UNIMPLEMENTED();
@@ -157,21 +201,80 @@
}
void RecordPointer(LOperand* op) { UNIMPLEMENTED(); }
+
+ private:
+ ZoneList<LOperand*> pointer_operands_;
+ int position_;
+ int lithium_position_;
};
-class LChunk: public ZoneObject {
+class LEnvironment: public ZoneObject {
public:
- explicit LChunk(HGraph* graph) { }
-
- HGraph* graph() const {
- UNIMPLEMENTED();
- return NULL;
+ LEnvironment(Handle<JSFunction> closure,
+ int ast_id,
+ int parameter_count,
+ int argument_count,
+ int value_count,
+ LEnvironment* outer)
+ : closure_(closure),
+ arguments_stack_height_(argument_count),
+ deoptimization_index_(Safepoint::kNoDeoptimizationIndex),
+ translation_index_(-1),
+ ast_id_(ast_id),
+ parameter_count_(parameter_count),
+ values_(value_count),
+ representations_(value_count),
+ spilled_registers_(NULL),
+ spilled_double_registers_(NULL),
+ outer_(outer) {
}
- const ZoneList<LPointerMap*>* pointer_maps() const {
- UNIMPLEMENTED();
- return NULL;
+ Handle<JSFunction> closure() const { return closure_; }
+ int arguments_stack_height() const { return arguments_stack_height_; }
+ int deoptimization_index() const { return deoptimization_index_; }
+ int translation_index() const { return translation_index_; }
+ int ast_id() const { return ast_id_; }
+ int parameter_count() const { return parameter_count_; }
+ const ZoneList<LOperand*>* values() const { return &values_; }
+ LEnvironment* outer() const { return outer_; }
+
+ private:
+ Handle<JSFunction> closure_;
+ int arguments_stack_height_;
+ int deoptimization_index_;
+ int translation_index_;
+ int ast_id_;
+ int parameter_count_;
+ ZoneList<LOperand*> values_;
+ ZoneList<Representation> representations_;
+
+ // Allocation index indexed arrays of spill slot operands for registers
+ // that are also in spill slots at an OSR entry. NULL for environments
+ // that do not correspond to an OSR entry.
+ LOperand** spilled_registers_;
+ LOperand** spilled_double_registers_;
+
+ LEnvironment* outer_;
+};
+
+
+class LChunkBuilder;
+class LChunk: public ZoneObject {
+ public:
+ explicit LChunk(HGraph* graph)
+ : spill_slot_count_(0),
+ graph_(graph),
+ instructions_(32),
+ pointer_maps_(8),
+ inlined_closures_(1) { }
+
+ int spill_slot_count() const { return spill_slot_count_; }
+ HGraph* graph() const { return graph_; }
+ const ZoneList<LInstruction*>* instructions() const { return &instructions_; }
+ const ZoneList<LPointerMap*>* pointer_maps() const { return &pointer_maps_; }
+ const ZoneList<Handle<JSFunction> >* inlined_closures() const {
+ return &inlined_closures_;
}
LOperand* GetNextSpillSlot(bool double_slot) {
@@ -189,11 +292,6 @@
return NULL;
}
- const ZoneList<LInstruction*>* instructions() const {
- UNIMPLEMENTED();
- return NULL;
- }
-
int GetParameterStackSlot(int index) const {
UNIMPLEMENTED();
return 0;
@@ -219,20 +317,35 @@
void MarkEmptyBlocks() { UNIMPLEMENTED(); }
#ifdef DEBUG
- void Verify() { UNIMPLEMENTED(); }
+ void Verify() { }
#endif
+
+ private:
+ int spill_slot_count_;
+ HGraph* const graph_;
+ ZoneList<LInstruction*> instructions_;
+ ZoneList<LPointerMap*> pointer_maps_;
+ ZoneList<Handle<JSFunction> > inlined_closures_;
};
class LChunkBuilder BASE_EMBEDDED {
public:
- LChunkBuilder(HGraph* graph, LAllocator* allocator) { }
+ LChunkBuilder(HGraph* graph, LAllocator* allocator)
+ : chunk_(NULL),
+ graph_(graph),
+ status_(UNUSED),
+ current_instruction_(NULL),
+ current_block_(NULL),
+ next_block_(NULL),
+ argument_count_(0),
+ allocator_(allocator),
+ position_(RelocInfo::kNoPosition),
+ instructions_pending_deoptimization_environment_(NULL),
+ pending_deoptimization_ast_id_(AstNode::kNoNumber) { }
// Build the sequence for the graph.
- LChunk* Build() {
- UNIMPLEMENTED();
- return NULL;
- };
+ LChunk* Build();
// Declare methods that deal with the individual node types.
#define DECLARE_DO(type) LInstruction* Do##type(H##type* node) { \
@@ -242,6 +355,38 @@
HYDROGEN_CONCRETE_INSTRUCTION_LIST(DECLARE_DO)
#undef DECLARE_DO
+ private:
+ enum Status {
+ UNUSED,
+ BUILDING,
+ DONE,
+ ABORTED
+ };
+
+ LChunk* chunk() const { return chunk_; }
+ HGraph* graph() const { return graph_; }
+
+ bool is_unused() const { return status_ == UNUSED; }
+ bool is_building() const { return status_ == BUILDING; }
+ bool is_done() const { return status_ == DONE; }
+ bool is_aborted() const { return status_ == ABORTED; }
+
+ void Abort(const char* format, ...);
+
+ void DoBasicBlock(HBasicBlock* block, HBasicBlock* next_block);
+
+ LChunk* chunk_;
+ HGraph* const graph_;
+ Status status_;
+ HInstruction* current_instruction_;
+ HBasicBlock* current_block_;
+ HBasicBlock* next_block_;
+ int argument_count_;
+ LAllocator* allocator_;
+ int position_;
+ LInstruction* instructions_pending_deoptimization_environment_;
+ int pending_deoptimization_ast_id_;
+
DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
};
diff --git a/src/x64/macro-assembler-x64.cc b/src/x64/macro-assembler-x64.cc
index 70a3dab..2846fe2 100644
--- a/src/x64/macro-assembler-x64.cc
+++ b/src/x64/macro-assembler-x64.cc
@@ -288,7 +288,7 @@
}
#endif
// Disable stub call restrictions to always allow calls to abort.
- set_allow_stub_calls(true);
+ AllowStubCallsScope allow_scope(this, true);
push(rax);
movq(kScratchRegister, p0, RelocInfo::NONE);
diff --git a/test/cctest/cctest.status b/test/cctest/cctest.status
index 4dfe51a..7c1197a 100644
--- a/test/cctest/cctest.status
+++ b/test/cctest/cctest.status
@@ -1,4 +1,4 @@
-# Copyright 2008 the V8 project authors. All rights reserved.
+# 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:
@@ -57,6 +57,24 @@
##############################################################################
+[ $arch == x64 && $crankshaft ]
+
+# Tests that fail with crankshaft.
+test-deoptimization/DeoptimizeBinaryOperationADDString: FAIL
+test-deoptimization/DeoptimizeBinaryOperationADD: FAIL
+test-deoptimization/DeoptimizeBinaryOperationSUB: FAIL
+test-deoptimization/DeoptimizeBinaryOperationMUL: FAIL
+test-deoptimization/DeoptimizeBinaryOperationMOD: FAIL
+test-deoptimization/DeoptimizeBinaryOperationDIV: FAIL
+test-deoptimization/DeoptimizeLoadICStoreIC: FAIL
+test-deoptimization/DeoptimizeLoadICStoreICNested: FAIL
+test-deoptimization/DeoptimizeCompare: FAIL
+
+# Tests that time out with crankshaft.
+test-api/Threading: SKIP
+
+
+##############################################################################
[ $arch == arm ]
# Optimization is currently not working on crankshaft x64 and ARM.
@@ -80,8 +98,9 @@
##############################################################################
[ $arch == arm && $crankshaft ]
-# Tests that fail with crankshaft.
-test-deoptimization/DeoptimizeBinaryOperationMOD: FAIL
+# Tests that can fail with crankshaft.
+test-deoptimization/DeoptimizeBinaryOperationMOD: PASS || FAIL
+test-deoptimization/DeoptimizeBinaryOperationDIV: PASS || FAIL
# Tests that time out with crankshaft.
test-debug/ThreadedDebugging: SKIP
diff --git a/test/cctest/test-debug.cc b/test/cctest/test-debug.cc
index 87f9cab..b9f6038 100644
--- a/test/cctest/test-debug.cc
+++ b/test/cctest/test-debug.cc
@@ -3712,7 +3712,7 @@
v8::V8::AddMessageListener(MessageCallbackCount);
v8::Debug::SetDebugEventListener(DebugEventCounter);
- // Initial state should be break on uncaught exception.
+ // Initial state should be no break on exceptions.
DebugEventCounterClear();
MessageCallbackCountClear();
caught->Call(env->Global(), 0, NULL);
@@ -3720,8 +3720,8 @@
CHECK_EQ(0, uncaught_exception_hit_count);
CHECK_EQ(0, message_callback_count);
notCaught->Call(env->Global(), 0, NULL);
- CHECK_EQ(1, exception_hit_count);
- CHECK_EQ(1, uncaught_exception_hit_count);
+ CHECK_EQ(0, exception_hit_count);
+ CHECK_EQ(0, uncaught_exception_hit_count);
CHECK_EQ(1, message_callback_count);
// No break on exception
@@ -3841,6 +3841,9 @@
v8::HandleScope scope;
DebugLocalContext env;
+ // For this test, we want to break on uncaught exceptions:
+ ChangeBreakOnException(false, true);
+
v8::internal::Top::TraceException(false);
// Create a function for checking the function when hitting a break point.
@@ -3892,6 +3895,9 @@
v8::HandleScope scope;
DebugLocalContext env;
+ // For this test, we want to break on uncaught exceptions:
+ ChangeBreakOnException(false, true);
+
// Create a function for checking the function when hitting a break point.
frame_function_name = CompileFunction(&env,
frame_function_name_source,
@@ -6523,6 +6529,10 @@
TEST(ExceptionMessageWhenMessageHandlerIsReset) {
v8::HandleScope scope;
DebugLocalContext env;
+
+ // For this test, we want to break on uncaught exceptions:
+ ChangeBreakOnException(false, true);
+
exception_event_count = 0;
const char* script = "function f() {throw new Error()};";
diff --git a/test/cctest/test-parsing.cc b/test/cctest/test-parsing.cc
index da5d771..151cf50 100755
--- a/test/cctest/test-parsing.cc
+++ b/test/cctest/test-parsing.cc
@@ -645,3 +645,58 @@
TestStreamScanner(&stream3, expectations3, 1, 1 + i);
}
}
+
+
+void TestScanRegExp(const char* re_source, const char* expected) {
+ i::Utf8ToUC16CharacterStream stream(
+ reinterpret_cast<const i::byte*>(re_source),
+ static_cast<unsigned>(strlen(re_source)));
+ i::V8JavaScriptScanner scanner;
+ scanner.Initialize(&stream);
+
+ i::Token::Value start = scanner.peek();
+ CHECK(start == i::Token::DIV || start == i::Token::ASSIGN_DIV);
+ CHECK(scanner.ScanRegExpPattern(start == i::Token::ASSIGN_DIV));
+ scanner.Next(); // Current token is now the regexp literal.
+ CHECK(scanner.is_literal_ascii());
+ i::Vector<const char> actual = scanner.literal_ascii_string();
+ for (int i = 0; i < actual.length(); i++) {
+ CHECK_NE('\0', expected[i]);
+ CHECK_EQ(expected[i], actual[i]);
+ }
+}
+
+
+TEST(RegExpScanning) {
+ // RegExp token with added garbage at the end. The scanner should only
+ // scan the RegExp until the terminating slash just before "flipperwald".
+ TestScanRegExp("/b/flipperwald", "b");
+ // Incomplete escape sequences doesn't hide the terminating slash.
+ TestScanRegExp("/\\x/flipperwald", "\\x");
+ TestScanRegExp("/\\u/flipperwald", "\\u");
+ TestScanRegExp("/\\u1/flipperwald", "\\u1");
+ TestScanRegExp("/\\u12/flipperwald", "\\u12");
+ TestScanRegExp("/\\u123/flipperwald", "\\u123");
+ TestScanRegExp("/\\c/flipperwald", "\\c");
+ TestScanRegExp("/\\c//flipperwald", "\\c");
+ // Slashes inside character classes are not terminating.
+ TestScanRegExp("/[/]/flipperwald", "[/]");
+ TestScanRegExp("/[\\s-/]/flipperwald", "[\\s-/]");
+ // Incomplete escape sequences inside a character class doesn't hide
+ // the end of the character class.
+ TestScanRegExp("/[\\c/]/flipperwald", "[\\c/]");
+ TestScanRegExp("/[\\c]/flipperwald", "[\\c]");
+ TestScanRegExp("/[\\x]/flipperwald", "[\\x]");
+ TestScanRegExp("/[\\x1]/flipperwald", "[\\x1]");
+ TestScanRegExp("/[\\u]/flipperwald", "[\\u]");
+ TestScanRegExp("/[\\u1]/flipperwald", "[\\u1]");
+ TestScanRegExp("/[\\u12]/flipperwald", "[\\u12]");
+ TestScanRegExp("/[\\u123]/flipperwald", "[\\u123]");
+ // Escaped ']'s wont end the character class.
+ TestScanRegExp("/[\\]/]/flipperwald", "[\\]/]");
+ // Escaped slashes are not terminating.
+ TestScanRegExp("/\\//flipperwald", "\\/");
+ // Starting with '=' works too.
+ TestScanRegExp("/=/", "=");
+ TestScanRegExp("/=?/", "=?");
+}
diff --git a/test/cctest/test-regexp.cc b/test/cctest/test-regexp.cc
index 3e6709a..51fef71 100644
--- a/test/cctest/test-regexp.cc
+++ b/test/cctest/test-regexp.cc
@@ -176,11 +176,23 @@
CHECK_PARSE_EQ("[\\d-z]", "[0-9 - z]");
CHECK_PARSE_EQ("[\\d-\\d]", "[0-9 - 0-9]");
CHECK_PARSE_EQ("[z-\\d]", "[z - 0-9]");
+ // Control character outside character class.
CHECK_PARSE_EQ("\\cj\\cJ\\ci\\cI\\ck\\cK",
"'\\x0a\\x0a\\x09\\x09\\x0b\\x0b'");
- CHECK_PARSE_EQ("\\c!", "'c!'");
- CHECK_PARSE_EQ("\\c_", "'c_'");
- CHECK_PARSE_EQ("\\c~", "'c~'");
+ CHECK_PARSE_EQ("\\c!", "'\\c!'");
+ CHECK_PARSE_EQ("\\c_", "'\\c_'");
+ CHECK_PARSE_EQ("\\c~", "'\\c~'");
+ CHECK_PARSE_EQ("\\c1", "'\\c1'");
+ // Control character inside character class.
+ CHECK_PARSE_EQ("[\\c!]", "[\\ c !]");
+ CHECK_PARSE_EQ("[\\c_]", "[\\x1f]");
+ CHECK_PARSE_EQ("[\\c~]", "[\\ c ~]");
+ CHECK_PARSE_EQ("[\\ca]", "[\\x01]");
+ CHECK_PARSE_EQ("[\\cz]", "[\\x1a]");
+ CHECK_PARSE_EQ("[\\cA]", "[\\x01]");
+ CHECK_PARSE_EQ("[\\cZ]", "[\\x1a]");
+ CHECK_PARSE_EQ("[\\c1]", "[\\x11]");
+
CHECK_PARSE_EQ("[a\\]c]", "[a ] c]");
CHECK_PARSE_EQ("\\[\\]\\{\\}\\(\\)\\%\\^\\#\\ ", "'[]{}()%^# '");
CHECK_PARSE_EQ("[\\[\\]\\{\\}\\(\\)\\%\\^\\#\\ ]", "[[ ] { } ( ) % ^ # ]");
@@ -234,7 +246,7 @@
CHECK_PARSE_EQ("\\x34", "'\x34'");
CHECK_PARSE_EQ("\\x60", "'\x60'");
CHECK_PARSE_EQ("\\x3z", "'x3z'");
- CHECK_PARSE_EQ("\\c", "'c'");
+ CHECK_PARSE_EQ("\\c", "'\\c'");
CHECK_PARSE_EQ("\\u0034", "'\x34'");
CHECK_PARSE_EQ("\\u003z", "'u003z'");
CHECK_PARSE_EQ("foo[z]*", "(: 'foo' (# 0 - g [z]))");
diff --git a/test/mjsunit/compiler/regress-3249650.js b/test/mjsunit/compiler/regress-3249650.js
index 1f06090..289e061 100644
--- a/test/mjsunit/compiler/regress-3249650.js
+++ b/test/mjsunit/compiler/regress-3249650.js
@@ -50,4 +50,4 @@
}
var x = {a: {b: "" }};
-for (var i = 0; i < 1000000; i++) test(x);
+for (var i = 0; i < 20000; i++) test(x);
diff --git a/test/mjsunit/debug-listbreakpoints.js b/test/mjsunit/debug-listbreakpoints.js
new file mode 100644
index 0000000..de0114f
--- /dev/null
+++ b/test/mjsunit/debug-listbreakpoints.js
@@ -0,0 +1,210 @@
+// Copyright 2010 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.
+
+// Flags: --expose-debug-as debug
+// Get the Debug object exposed from the debug context global object.
+Debug = debug.Debug
+
+// Note: the following tests only checks the debugger handling of the
+// setexceptionbreak command. It does not test whether the debugger
+// actually breaks on exceptions or not. That functionality is tested
+// in test-debug.cc instead.
+
+// Note: The following function g() is purposedly placed here so that
+// its line numbers will not change should we add more lines of test code
+// below. The test checks for these line numbers.
+
+function g() { // line 40
+ var x = 5;
+ var y = 6;
+ var z = 7;
+};
+
+var first_lineno = 40; // Must be the line number of g() above.
+ // The first line of the file is line 0.
+
+// Simple function which stores the last debug event.
+listenerComplete = false;
+exception = false;
+
+var breakpoint1 = -1;
+var base_request = '"seq":0,"type":"request","command":"listbreakpoints"'
+
+function safeEval(code) {
+ try {
+ return eval('(' + code + ')');
+ } catch (e) {
+ assertEquals(void 0, e);
+ return undefined;
+ }
+}
+
+
+function clearBreakpoint(dcp, breakpoint_id) {
+ var base_request = '"seq":0,"type":"request","command":"clearbreakpoint"'
+ var arguments = '{"breakpoint":' + breakpoint_id + '}'
+ var request = '{' + base_request + ',"arguments":' + arguments + '}'
+ var json_response = dcp.processDebugJSONRequest(request);
+}
+
+
+function setBreakOnException(dcp, type, enabled) {
+ var base_request = '"seq":0,"type":"request","command":"setexceptionbreak"'
+ var arguments = '{"type":"' + type + '","enabled":' + enabled + '}'
+ var request = '{' + base_request + ',"arguments":' + arguments + '}'
+ var json_response = dcp.processDebugJSONRequest(request);
+}
+
+
+function testArguments(dcp, success, breakpoint_ids, breakpoint_linenos,
+ break_on_all, break_on_uncaught) {
+ var request = '{' + base_request + '}'
+ var json_response = dcp.processDebugJSONRequest(request);
+ var response = safeEval(json_response);
+ var num_breakpoints = breakpoint_ids.length;
+
+ if (success) {
+ assertTrue(response.success, json_response);
+ assertEquals(response.body.breakpoints.length, num_breakpoints);
+ if (num_breakpoints > 0) {
+ var breakpoints = response.body.breakpoints;
+ for (var i = 0; i < breakpoints.length; i++) {
+ var id = breakpoints[i].number;
+ var found = false;
+ for (var j = 0; j < num_breakpoints; j++) {
+ if (breakpoint_ids[j] == id) {
+ assertEquals(breakpoints[i].line, breakpoint_linenos[j]);
+ found = true;
+ break;
+ }
+ }
+ assertTrue(found, "found unexpected breakpoint " + id);
+ }
+ }
+ assertEquals(response.body.breakOnExceptions, break_on_all);
+ assertEquals(response.body.breakOnUncaughtExceptions, break_on_uncaught);
+ } else {
+ assertFalse(response.success, json_response);
+ }
+}
+
+
+function listener(event, exec_state, event_data, data) {
+ try {
+ if (event == Debug.DebugEvent.Break) {
+ // Get the debug command processor.
+ var dcp = exec_state.debugCommandProcessor("unspecified_running_state");
+
+ // Test with the 1 breakpoint already set:
+ testArguments(dcp, true, [ breakpoint1 ], [ first_lineno ], false, false);
+
+ setBreakOnException(dcp, "all", true);
+ testArguments(dcp, true, [ breakpoint1 ], [ first_lineno ], true, false);
+
+ setBreakOnException(dcp, "uncaught", true);
+ testArguments(dcp, true, [ breakpoint1 ], [ first_lineno ], true, true);
+
+ setBreakOnException(dcp, "all", false);
+ testArguments(dcp, true, [ breakpoint1 ], [ first_lineno ], false, true);
+
+ setBreakOnException(dcp, "uncaught", false);
+ testArguments(dcp, true, [ breakpoint1 ], [ first_lineno ], false, false);
+
+ // Clear the one breakpoint and retest:
+ clearBreakpoint(dcp, breakpoint1);
+ testArguments(dcp, true, [], [], false, false);
+
+ setBreakOnException(dcp, "all", true);
+ testArguments(dcp, true, [], [], true, false);
+
+ setBreakOnException(dcp, "uncaught", true);
+ testArguments(dcp, true, [], [], true, true);
+
+ setBreakOnException(dcp, "all", false);
+ testArguments(dcp, true, [], [], false, true);
+
+ setBreakOnException(dcp, "uncaught", false);
+ testArguments(dcp, true, [], [], false, false);
+
+ // Set some more breakpoints, and clear them in various orders:
+ var bp2 = Debug.setBreakPoint(g, 1, 0);
+ testArguments(dcp, true, [ bp2 ],
+ [ first_lineno + 1 ],
+ false, false);
+
+ var bp3 = Debug.setBreakPoint(g, 2, 0);
+ testArguments(dcp, true, [ bp2, bp3 ],
+ [ first_lineno + 1, first_lineno + 2 ],
+ false, false);
+
+ var bp4 = Debug.setBreakPoint(g, 3, 0);
+ testArguments(dcp, true, [ bp2, bp3, bp4 ],
+ [ first_lineno + 1, first_lineno + 2, first_lineno + 3 ],
+ false, false);
+
+ clearBreakpoint(dcp, bp3);
+ testArguments(dcp, true, [ bp2, bp4 ],
+ [ first_lineno + 1, first_lineno + 3 ],
+ false, false);
+
+ clearBreakpoint(dcp, bp4);
+ testArguments(dcp, true, [ bp2 ],
+ [ first_lineno + 1 ],
+ false, false);
+
+ var bp5 = Debug.setBreakPoint(g, 3, 0);
+ testArguments(dcp, true, [ bp2, bp5 ],
+ [ first_lineno + 1, first_lineno + 3 ],
+ false, false);
+
+ clearBreakpoint(dcp, bp2);
+ testArguments(dcp, true, [ bp5 ],
+ [ first_lineno + 3 ],
+ false, false);
+
+ clearBreakpoint(dcp, bp5);
+ testArguments(dcp, true, [], [], false, false);
+
+ // Indicate that all was processed.
+ listenerComplete = true;
+
+ }
+ } catch (e) {
+ exception = e
+ };
+};
+
+// Add the debug event listener.
+Debug.setListener(listener);
+
+// Set a break point and call to invoke the debug event listener.
+breakpoint1 = Debug.setBreakPoint(g, 0, 0);
+g();
+
+// Make sure that the debug event listener vas invoked.
+assertFalse(exception, "exception in listener")
+assertTrue(listenerComplete, "listener did not run to completion");
diff --git a/test/mjsunit/debug-setexceptionbreak.js b/test/mjsunit/debug-setexceptionbreak.js
new file mode 100644
index 0000000..3dc27dd
--- /dev/null
+++ b/test/mjsunit/debug-setexceptionbreak.js
@@ -0,0 +1,119 @@
+// Copyright 2010 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.
+
+// Flags: --expose-debug-as debug
+// Get the Debug object exposed from the debug context global object.
+Debug = debug.Debug
+
+// Note: the following tests only checks the debugger handling of the
+// setexceptionbreak command. It does not test whether the debugger
+// actually breaks on exceptions or not. That functionality is tested
+// in test-debug.cc instead.
+
+// Simple function which stores the last debug event.
+listenerComplete = false;
+exception = false;
+
+var breakpoint = -1;
+var base_request = '"seq":0,"type":"request","command":"setexceptionbreak"'
+
+function safeEval(code) {
+ try {
+ return eval('(' + code + ')');
+ } catch (e) {
+ assertEquals(void 0, e);
+ return undefined;
+ }
+}
+
+function testArguments(dcp, arguments, success, type, enabled) {
+ var request = '{' + base_request + ',"arguments":' + arguments + '}'
+ var json_response = dcp.processDebugJSONRequest(request);
+ var response = safeEval(json_response);
+ if (success) {
+ assertTrue(response.success, json_response);
+ assertEquals(response.body.type, type);
+ assertEquals(response.body.enabled, enabled);
+ } else {
+ assertFalse(response.success, json_response);
+ }
+}
+
+function listener(event, exec_state, event_data, data) {
+ try {
+ if (event == Debug.DebugEvent.Break) {
+ // Get the debug command processor.
+ var dcp = exec_state.debugCommandProcessor("unspecified_running_state");
+
+ // Test some illegal setexceptionbreak requests.
+ var request = '{' + base_request + '}'
+ var response = safeEval(dcp.processDebugJSONRequest(request));
+ assertFalse(response.success);
+
+ testArguments(dcp, '{}', false);
+ testArguments(dcp, '{"type":0}', false);
+
+ // Test some legal setexceptionbreak requests with default.
+ // Note: by default, break on exceptions should be disabled. Hence,
+ // the first time, we send the command with no enabled arg, the debugger
+ // should toggle it on. The second time, it should toggle it off.
+ testArguments(dcp, '{"type":"all"}', true, "all", true);
+ testArguments(dcp, '{"type":"all"}', true, "all", false);
+ testArguments(dcp, '{"type":"uncaught"}', true, "uncaught", true);
+ testArguments(dcp, '{"type":"uncaught"}', true, "uncaught", false);
+
+ // Test some legal setexceptionbreak requests with explicit enabled arg.
+ testArguments(dcp, '{"type":"all","enabled":true}', true, "all", true);
+ testArguments(dcp, '{"type":"all","enabled":false}', true, "all", false);
+
+ testArguments(dcp, '{"type":"uncaught","enabled":true}', true,
+ "uncaught", true);
+ testArguments(dcp, '{"type":"uncaught","enabled":false}', true,
+ "uncaught", false);
+
+ // Indicate that all was processed.
+ listenerComplete = true;
+
+ }
+ } catch (e) {
+ exception = e
+ };
+};
+
+// Add the debug event listener.
+Debug.setListener(listener);
+
+function g() {};
+
+
+// Set a break point and call to invoke the debug event listener.
+breakpoint = Debug.setBreakPoint(g, 0, 0);
+g();
+
+// Make sure that the debug event listener vas invoked.
+assertFalse(exception, "exception in listener")
+assertTrue(listenerComplete, "listener did not run to completion");
diff --git a/test/mjsunit/mjsunit.status b/test/mjsunit/mjsunit.status
index eeeb3dc..057c0fa 100644
--- a/test/mjsunit/mjsunit.status
+++ b/test/mjsunit/mjsunit.status
@@ -109,11 +109,18 @@
##############################################################################
[ $arch == arm && $crankshaft ]
-# Test that currently fail with crankshaft on ARM.
+# Test that currently fails with crankshaft on ARM.
compiler/simple-osr: FAIL
##############################################################################
+[ $arch == x64 && $crankshaft ]
+
+# BUG (1026) This test is currently flaky.
+compiler/simple-osr: SKIP
+
+
+##############################################################################
[ $arch == mips ]
# Skip all tests on MIPS.
diff --git a/test/mjsunit/regexp.js b/test/mjsunit/regexp.js
index 4c1d2e3..8d776ad 100644
--- a/test/mjsunit/regexp.js
+++ b/test/mjsunit/regexp.js
@@ -84,15 +84,14 @@
assertEquals(result[5], 'E');
assertEquals(result[6], 'F');
-// Some tests from the Mozilla tests, where our behavior differs from
+// Some tests from the Mozilla tests, where our behavior used to differ from
// SpiderMonkey.
// From ecma_3/RegExp/regress-334158.js
assertTrue(/\ca/.test( "\x01" ));
assertFalse(/\ca/.test( "\\ca" ));
-// Passes in KJS, fails in IrregularExpressions.
-// See http://code.google.com/p/v8/issues/detail?id=152
-//assertTrue(/\c[a/]/.test( "\x1ba/]" ));
-
+assertFalse(/\ca/.test( "ca" ));
+assertTrue(/\c[a/]/.test( "\\ca" ));
+assertTrue(/\c[a/]/.test( "\\c/" ));
// Test \c in character class
re = /^[\cM]$/;
@@ -104,11 +103,29 @@
re = /^[\c]]$/;
assertTrue(re.test("c]"));
-assertFalse(re.test("\\]"));
+assertTrue(re.test("\\]"));
assertFalse(re.test("\x1d")); // ']' & 0x1f
-assertFalse(re.test("\\]"));
assertFalse(re.test("\x03]")); // I.e., read as \cc
+re = /^[\c1]$/; // Digit control characters are masked in character classes.
+assertTrue(re.test("\x11"));
+assertFalse(re.test("\\"));
+assertFalse(re.test("c"));
+assertFalse(re.test("1"));
+
+re = /^[\c_]$/; // Underscore control character is masked in character classes.
+assertTrue(re.test("\x1f"));
+assertFalse(re.test("\\"));
+assertFalse(re.test("c"));
+assertFalse(re.test("_"));
+
+re = /^[\c$]$/; // Other characters are interpreted literally.
+assertFalse(re.test("\x04"));
+assertTrue(re.test("\\"));
+assertTrue(re.test("c"));
+assertTrue(re.test("$"));
+
+assertTrue(/^[Z-\c-e]*$/.test("Z[\\cde"));
// Test that we handle \s and \S correctly inside some bizarre
// character classes.
diff --git a/test/mjsunit/bugs/bug-1015.js b/test/mjsunit/regress/regress-1015.js
similarity index 100%
rename from test/mjsunit/bugs/bug-1015.js
rename to test/mjsunit/regress/regress-1015.js
diff --git a/test/mjsunit/regress/regress-1020.js b/test/mjsunit/regress/regress-1020.js
new file mode 100644
index 0000000..307a61e
--- /dev/null
+++ b/test/mjsunit/regress/regress-1020.js
@@ -0,0 +1,32 @@
+// 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 isObject(o) {
+ return o instanceof Object;
+}
+
+assertTrue(isObject(Object));
diff --git a/test/mjsunit/regress/regress-192.js b/test/mjsunit/regress/regress-192.js
index 8f0978f..a8e5e9d 100644
--- a/test/mjsunit/regress/regress-192.js
+++ b/test/mjsunit/regress/regress-192.js
@@ -30,9 +30,16 @@
// See http://code.google.com/p/v8/issues/detail?id=192
+// UPDATE: This bug report is no longer valid. In ES5, creating object
+// literals MUST NOT trigger inherited accessors, but act as if creating
+// the properties using DefineOwnProperty.
+
Object.prototype.__defineGetter__("x", function() {});
+Object.prototype.__defineSetter__("y",
+ function() { assertUnreachable("setter"); });
-// Creating this object literal will throw an exception because we are
+// Creating this object literal will *not* throw an exception because we are
// assigning to a property that has only a getter.
-assertThrows("({ x: 42 })");
-
+var x = ({ x: 42, y: 37 });
+assertEquals(42, x.x);
+assertEquals(37, x.y);
diff --git a/test/mozilla/mozilla.status b/test/mozilla/mozilla.status
index 5688cf8..1d989ed 100644
--- a/test/mozilla/mozilla.status
+++ b/test/mozilla/mozilla.status
@@ -840,6 +840,8 @@
js1_5/Regress/regress-416628: CRASH
js1_5/Regress/regress-96128-n: PASS || CRASH
+# BUG(1031).
+ecma/TypeConversion/9.2: FAIL
[ $fast == yes && $arch == arm ]
diff --git a/tools/gyp/v8.gyp b/tools/gyp/v8.gyp
index 365e650..c4db7d9 100644
--- a/tools/gyp/v8.gyp
+++ b/tools/gyp/v8.gyp
@@ -1,4 +1,4 @@
-# Copyright 2009 the V8 project authors. All rights reserved.
+# 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:
@@ -426,6 +426,8 @@
'../../src/jsregexp.h',
'../../src/list-inl.h',
'../../src/list.h',
+ '../../src/lithium.cc',
+ '../../src/lithium.h',
'../../src/lithium-allocator.cc',
'../../src/lithium-allocator.h',
'../../src/liveedit.cc',
@@ -671,6 +673,9 @@
'../../src/x64/full-codegen-x64.cc',
'../../src/x64/ic-x64.cc',
'../../src/x64/jump-target-x64.cc',
+ '../../src/x64/lithium-codegen-x64.h',
+ '../../src/x64/lithium-x64.cc',
+ '../../src/x64/lithium-x64.h',
'../../src/x64/macro-assembler-x64.cc',
'../../src/x64/macro-assembler-x64.h',
'../../src/x64/regexp-macro-assembler-x64.cc',
diff --git a/tools/v8.xcodeproj/project.pbxproj b/tools/v8.xcodeproj/project.pbxproj
index 80a845c..da070d6 100644
--- a/tools/v8.xcodeproj/project.pbxproj
+++ b/tools/v8.xcodeproj/project.pbxproj
@@ -96,6 +96,112 @@
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89495E490E79FC23001F68C3 /* compilation-cache.cc in Sources */ = {isa = PBXBuildFile; fileRef = 89495E460E79FC23001F68C3 /* compilation-cache.cc */; };
+ 8956922A12D4ED240072C313 /* objects-visiting.cc in Sources */ = {isa = PBXBuildFile; fileRef = C2D1E9711212F27B00187A52 /* objects-visiting.cc */; };
+ 8956922B12D4ED240072C313 /* accessors.cc in Sources */ = {isa = PBXBuildFile; fileRef = 897FF0F60E719B8F00D62E90 /* accessors.cc */; };
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897FF0F60E719B8F00D62E90 /* accessors.cc */,
897FF0F70E719B8F00D62E90 /* accessors.h */,
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897FF10B0E719B8F00D62E90 /* builtins.cc */,
897FF10C0E719B8F00D62E90 /* builtins.h */,
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9F2B370F114FF62D007CDAF4 /* circular-queue.cc */,
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897FF11D0E719B8F00D62E90 /* contexts.h */,
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897FF1220E719B8F00D62E90 /* counters.h */,
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9F2B37251152CEA0007CDAF4 /* cpu-profiler.h */,
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9FA38BA51175B2D200C4CD55 /* full-codegen.cc */,
9FA38BA61175B2D200C4CD55 /* full-codegen.h */,
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893E248F12B14B3D0083370F /* hydrogen.cc */,
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9FA38BA91175B2D200C4CD55 /* liveedit.cc */,
9FA38BAA1175B2D200C4CD55 /* liveedit.h */,
22A76C900FF259E600FDC694 /* log-inl.h */,
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89A15C740EE466D000B48DEB /* regexp-macro-assembler-irregexp-inl.h */,
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+ 89B91B8F12D4EF95002FF4BC /* macro-assembler-x64.cc */,
+ 89B91B9012D4EF95002FF4BC /* macro-assembler-x64.h */,
+ 89B91B9112D4EF95002FF4BC /* regexp-macro-assembler-x64.cc */,
+ 89B91B9212D4EF95002FF4BC /* regexp-macro-assembler-x64.h */,
+ 89B91B9312D4EF95002FF4BC /* register-allocator-x64-inl.h */,
+ 89B91B9412D4EF95002FF4BC /* register-allocator-x64.cc */,
+ 89B91B9512D4EF95002FF4BC /* register-allocator-x64.h */,
+ 89B91B9612D4EF95002FF4BC /* simulator-x64.cc */,
+ 89B91B9712D4EF95002FF4BC /* simulator-x64.h */,
+ 89B91B9812D4EF95002FF4BC /* stub-cache-x64.cc */,
+ 89B91B9912D4EF95002FF4BC /* virtual-frame-x64.cc */,
+ 89B91B9A12D4EF95002FF4BC /* virtual-frame-x64.h */,
+ );
+ name = x64;
+ sourceTree = "<group>";
+ };
+ 89B91C0312D4F275002FF4BC /* ia32 */ = {
+ isa = PBXGroup;
+ children = (
+ 897FF1000E719B8F00D62E90 /* assembler-ia32-inl.h */,
+ 897FF1010E719B8F00D62E90 /* assembler-ia32.cc */,
+ 897FF1020E719B8F00D62E90 /* assembler-ia32.h */,
+ 897FF10A0E719B8F00D62E90 /* builtins-ia32.cc */,
+ C68081B012251239001EAFE4 /* code-stubs-ia32.cc */,
+ C68081B412251257001EAFE4 /* code-stubs-ia32.h */,
+ 895FA725107FFB57006F39D4 /* codegen-ia32-inl.h */,
+ 897FF1150E719B8F00D62E90 /* codegen-ia32.cc */,
+ 8964482B0E9C00F700E7C516 /* codegen-ia32.h */,
+ 897FF1240E719B8F00D62E90 /* cpu-ia32.cc */,
+ 898BD20D0EF6CC850068B00A /* debug-ia32.cc */,
+ 893E24D012B14B8A0083370F /* deoptimizer-ia32.cc */,
+ 897FF12B0E719B8F00D62E90 /* disasm-ia32.cc */,
+ 897FF1390E719B8F00D62E90 /* frames-ia32.cc */,
+ 897FF13A0E719B8F00D62E90 /* frames-ia32.h */,
+ 9FA38BC21175B2E500C4CD55 /* full-codegen-ia32.cc */,
+ 897FF14A0E719B8F00D62E90 /* ic-ia32.cc */,
+ 9FA38BC31175B2E500C4CD55 /* jump-target-ia32.cc */,
+ 893E24D112B14B8A0083370F /* lithium-codegen-ia32.cc */,
+ 893E24D212B14B8A0083370F /* lithium-codegen-ia32.h */,
+ 893E24D312B14B8A0083370F /* lithium-ia32.cc */,
+ 893E24D412B14B8A0083370F /* lithium-ia32.h */,
+ 897FF1560E719B8F00D62E90 /* macro-assembler-ia32.cc */,
+ 897FF1570E719B8F00D62E90 /* macro-assembler-ia32.h */,
+ 89A15C720EE466D000B48DEB /* regexp-macro-assembler-ia32.cc */,
+ 89A15C730EE466D000B48DEB /* regexp-macro-assembler-ia32.h */,
+ 895FA72A107FFB85006F39D4 /* register-allocator-ia32-inl.h */,
+ 58950D530F55514900F3E8BA /* register-allocator-ia32.cc */,
+ 895FA72B107FFB85006F39D4 /* register-allocator-ia32.h */,
+ 897FF17F0E719B8F00D62E90 /* simulator-ia32.cc */,
+ 897FF1800E719B8F00D62E90 /* simulator-ia32.h */,
+ 897FF18B0E719B8F00D62E90 /* stub-cache-ia32.cc */,
+ 9FA38BC41175B2E500C4CD55 /* virtual-frame-ia32.cc */,
+ 58950D590F55514900F3E8BA /* virtual-frame-ia32.h */,
+ );
+ name = ia32;
+ sourceTree = "<group>";
+ };
+ 89B91C0C12D4F439002FF4BC /* arm */ = {
+ isa = PBXGroup;
+ children = (
+ 897FF0FD0E719B8F00D62E90 /* assembler-arm-inl.h */,
+ 897FF0FE0E719B8F00D62E90 /* assembler-arm.cc */,
+ 897FF0FF0E719B8F00D62E90 /* assembler-arm.h */,
+ 897FF1090E719B8F00D62E90 /* builtins-arm.cc */,
+ C68081AB1225120B001EAFE4 /* code-stubs-arm.cc */,
+ C68081AC1225120B001EAFE4 /* code-stubs-arm.h */,
+ 895FA74B107FFE82006F39D4 /* codegen-arm-inl.h */,
+ 897FF1140E719B8F00D62E90 /* codegen-arm.cc */,
+ 896448BC0E9D530500E7C516 /* codegen-arm.h */,
+ 895FA748107FFE73006F39D4 /* constants-arm.cc */,
+ 897FF11B0E719B8F00D62E90 /* constants-arm.h */,
+ 893E24C612B14B510083370F /* deoptimizer-arm.cc */,
+ 9FA38BCB1175B30400C4CD55 /* full-codegen-arm.cc */,
+ 9FA38BCC1175B30400C4CD55 /* jump-target-arm.cc */,
+ 893E24C712B14B510083370F /* lithium-arm.cc */,
+ 893E24C812B14B510083370F /* lithium-arm.h */,
+ 893E24C912B14B520083370F /* lithium-codegen-arm.cc */,
+ 893E24CA12B14B520083370F /* lithium-codegen-arm.h */,
+ 897FF1540E719B8F00D62E90 /* macro-assembler-arm.cc */,
+ 897FF1550E719B8F00D62E90 /* macro-assembler-arm.h */,
+ 89A15C700EE466D000B48DEB /* regexp-macro-assembler-arm.cc */,
+ 89A15C710EE466D000B48DEB /* regexp-macro-assembler-arm.h */,
+ 895FA750107FFEAE006F39D4 /* register-allocator-arm-inl.h */,
+ 58950D520F55514900F3E8BA /* register-allocator-arm.cc */,
+ 895FA751107FFEAE006F39D4 /* register-allocator-arm.h */,
+ 897FF17D0E719B8F00D62E90 /* simulator-arm.cc */,
+ 897FF17E0E719B8F00D62E90 /* simulator-arm.h */,
+ 893E24CB12B14B520083370F /* virtual-frame-arm-inl.h */,
+ 9FA38BCD1175B30400C4CD55 /* virtual-frame-arm.cc */,
+ 58950D570F55514900F3E8BA /* virtual-frame-arm.h */,
+ );
+ name = arm;
+ sourceTree = "<group>";
+ };
/* End PBXGroup section */
/* Begin PBXNativeTarget section */
@@ -1260,6 +1522,23 @@
productReference = 8939880B0F2A35FA007D5254 /* d8 */;
productType = "com.apple.product-type.tool";
};
+ 8956922712D4ED240072C313 /* v8-x64 */ = {
+ isa = PBXNativeTarget;
+ buildConfigurationList = 895692A712D4ED240072C313 /* Build configuration list for PBXNativeTarget "v8-x64" */;
+ buildPhases = (
+ 8956922812D4ED240072C313 /* ShellScript */,
+ 8956922912D4ED240072C313 /* Sources */,
+ 895692A612D4ED240072C313 /* Frameworks */,
+ );
+ buildRules = (
+ );
+ dependencies = (
+ );
+ name = "v8-x64";
+ productName = v8;
+ productReference = 895692AA12D4ED240072C313 /* libv8-x64.a */;
+ productType = "com.apple.product-type.library.static";
+ };
8970F2EF0E719FB2006AE7B5 /* v8 */ = {
isa = PBXNativeTarget;
buildConfigurationList = 8970F2F70E719FC1006AE7B5 /* Build configuration list for PBXNativeTarget "v8" */;
@@ -1312,6 +1591,41 @@
productReference = 897F767A0E71B4CC007ACF34 /* v8_shell */;
productType = "com.apple.product-type.tool";
};
+ 89B91BB412D4F02A002FF4BC /* v8_shell-x64 */ = {
+ isa = PBXNativeTarget;
+ buildConfigurationList = 89B91BBB12D4F02A002FF4BC /* Build configuration list for PBXNativeTarget "v8_shell-x64" */;
+ buildPhases = (
+ 89B91BB712D4F02A002FF4BC /* Sources */,
+ 89B91BB912D4F02A002FF4BC /* Frameworks */,
+ );
+ buildRules = (
+ );
+ dependencies = (
+ 89B91BD112D4F036002FF4BC /* PBXTargetDependency */,
+ );
+ name = "v8_shell-x64";
+ productName = "v8_shell-arm";
+ productReference = 89B91BBE12D4F02A002FF4BC /* v8_shell-x64 */;
+ productType = "com.apple.product-type.tool";
+ };
+ 89B91BC012D4F02A002FF4BC /* d8_shell-x64 */ = {
+ isa = PBXNativeTarget;
+ buildConfigurationList = 89B91BCB12D4F02A002FF4BC /* Build configuration list for PBXNativeTarget "d8_shell-x64" */;
+ buildPhases = (
+ 89B91BC312D4F02A002FF4BC /* ShellScript */,
+ 89B91BC412D4F02A002FF4BC /* Sources */,
+ 89B91BC912D4F02A002FF4BC /* Frameworks */,
+ );
+ buildRules = (
+ );
+ dependencies = (
+ 89B91BFD12D4F1BF002FF4BC /* PBXTargetDependency */,
+ );
+ name = "d8_shell-x64";
+ productName = v8_shell;
+ productReference = 89B91BCE12D4F02A002FF4BC /* d8-x64 */;
+ productType = "com.apple.product-type.tool";
+ };
89F23C3C0E78D5B2006B2466 /* v8-arm */ = {
isa = PBXNativeTarget;
buildConfigurationList = 89F23C840E78D5B2006B2466 /* Build configuration list for PBXNativeTarget "v8-arm" */;
@@ -1373,6 +1687,9 @@
89F23C3C0E78D5B2006B2466 /* v8-arm */,
89F23C880E78D5B6006B2466 /* v8_shell-arm */,
897C77CB12B68E3D000767A8 /* d8_shell-arm */,
+ 8956922712D4ED240072C313 /* v8-x64 */,
+ 89B91BB412D4F02A002FF4BC /* v8_shell-x64 */,
+ 89B91BC012D4F02A002FF4BC /* d8_shell-x64 */,
);
};
/* End PBXProject section */
@@ -1391,6 +1708,19 @@
shellPath = /bin/sh;
shellScript = "set -ex\nJS_FILES=\"d8.js\"\\\n\" macros.py\"\n\nV8ROOT=\"${SRCROOT}/..\"\n\nSRC_DIR=\"${V8ROOT}/src\"\n\nNATIVE_JS_FILES=\"\"\n\nfor i in ${JS_FILES} ; do\n NATIVE_JS_FILES+=\"${SRC_DIR}/${i} \"\ndone\n\nV8_GENERATED_SOURCES_DIR=\"${CONFIGURATION_TEMP_DIR}/generated\"\nmkdir -p \"${V8_GENERATED_SOURCES_DIR}\"\n\nD8_CC=\"${V8_GENERATED_SOURCES_DIR}/d8-js.cc\"\nD8_EMPTY_CC=\"${V8_GENERATED_SOURCES_DIR}/d8-js-empty.cc\"\n\npython \"${V8ROOT}/tools/js2c.py\" \\\n \"${D8_CC}.new\" \\\n \"${D8_EMPTY_CC}.new\" \\\n \"D8\" \\\n ${NATIVE_JS_FILES}\n\n# Only use the new files if they're different from the existing files (if any),\n# preserving the existing files' timestamps when there are no changes. This\n# minimizes unnecessary build activity for a no-change build.\n\nif ! diff -q \"${D8_CC}.new\" \"${D8_CC}\" >& /dev/null ; then\n mv \"${D8_CC}.new\" \"${D8_CC}\"\nelse\n rm \"${D8_CC}.new\"\nfi\n\nif ! diff -q \"${D8_EMPTY_CC}.new\" \"${D8_EMPTY_CC}\" >& /dev/null ; then\n mv \"${D8_EMPTY_CC}.new\" \"${D8_EMPTY_CC}\"\nelse\n rm \"${D8_EMPTY_CC}.new\"\nfi\n";
};
+ 8956922812D4ED240072C313 /* ShellScript */ = {
+ isa = PBXShellScriptBuildPhase;
+ buildActionMask = 2147483647;
+ files = (
+ );
+ inputPaths = (
+ );
+ outputPaths = (
+ );
+ runOnlyForDeploymentPostprocessing = 0;
+ shellPath = /bin/sh;
+ shellScript = "set -ex\nJS_FILES=\"runtime.js\"\\\n\" v8natives.js\"\\\n\" array.js\"\\\n\" string.js\"\\\n\" uri.js\"\\\n\" math.js\"\\\n\" messages.js\"\\\n\" apinatives.js\"\\\n\" debug-debugger.js\"\\\n\" liveedit-debugger.js\"\\\n\" mirror-debugger.js\"\\\n\" date.js\"\\\n\" json.js\"\\\n\" regexp.js\"\\\n\" macros.py\"\n\nV8ROOT=\"${SRCROOT}/..\"\n\nSRC_DIR=\"${V8ROOT}/src\"\n\nNATIVE_JS_FILES=\"\"\n\nfor i in ${JS_FILES} ; do\n NATIVE_JS_FILES+=\"${SRC_DIR}/${i} \"\ndone\n\nV8_GENERATED_SOURCES_DIR=\"${CONFIGURATION_TEMP_DIR}/generated\"\nmkdir -p \"${V8_GENERATED_SOURCES_DIR}\"\n\nLIBRARIES_CC=\"${V8_GENERATED_SOURCES_DIR}/libraries.cc\"\nLIBRARIES_EMPTY_CC=\"${V8_GENERATED_SOURCES_DIR}/libraries-empty.cc\"\n\npython \"${V8ROOT}/tools/js2c.py\" \\\n \"${LIBRARIES_CC}.new\" \\\n \"${LIBRARIES_EMPTY_CC}.new\" \\\n \"CORE\" \\\n ${NATIVE_JS_FILES}\n\n# Only use the new files if they're different from the existing files (if any),\n# preserving the existing files' timestamps when there are no changes. This\n# minimizes unnecessary build activity for a no-change build.\n\nif ! diff -q \"${LIBRARIES_CC}.new\" \"${LIBRARIES_CC}\" >& /dev/null ; then\n mv \"${LIBRARIES_CC}.new\" \"${LIBRARIES_CC}\"\nelse\n rm \"${LIBRARIES_CC}.new\"\nfi\n\nif ! diff -q \"${LIBRARIES_EMPTY_CC}.new\" \"${LIBRARIES_EMPTY_CC}\" >& /dev/null ; then\n mv \"${LIBRARIES_EMPTY_CC}.new\" \"${LIBRARIES_EMPTY_CC}\"\nelse\n rm \"${LIBRARIES_EMPTY_CC}.new\"\nfi\n";
+ };
897C77CE12B68E3D000767A8 /* ShellScript */ = {
isa = PBXShellScriptBuildPhase;
buildActionMask = 2147483647;
@@ -1404,6 +1734,19 @@
shellPath = /bin/sh;
shellScript = "set -ex\nJS_FILES=\"d8.js\"\\\n\" macros.py\"\n\nV8ROOT=\"${SRCROOT}/..\"\n\nSRC_DIR=\"${V8ROOT}/src\"\n\nNATIVE_JS_FILES=\"\"\n\nfor i in ${JS_FILES} ; do\n NATIVE_JS_FILES+=\"${SRC_DIR}/${i} \"\ndone\n\nV8_GENERATED_SOURCES_DIR=\"${CONFIGURATION_TEMP_DIR}/generated\"\nmkdir -p \"${V8_GENERATED_SOURCES_DIR}\"\n\nD8_CC=\"${V8_GENERATED_SOURCES_DIR}/d8-js.cc\"\nD8_EMPTY_CC=\"${V8_GENERATED_SOURCES_DIR}/d8-js-empty.cc\"\n\npython \"${V8ROOT}/tools/js2c.py\" \\\n \"${D8_CC}.new\" \\\n \"${D8_EMPTY_CC}.new\" \\\n \"D8\" \\\n ${NATIVE_JS_FILES}\n\n# Only use the new files if they're different from the existing files (if any),\n# preserving the existing files' timestamps when there are no changes. This\n# minimizes unnecessary build activity for a no-change build.\n\nif ! diff -q \"${D8_CC}.new\" \"${D8_CC}\" >& /dev/null ; then\n mv \"${D8_CC}.new\" \"${D8_CC}\"\nelse\n rm \"${D8_CC}.new\"\nfi\n\nif ! diff -q \"${D8_EMPTY_CC}.new\" \"${D8_EMPTY_CC}\" >& /dev/null ; then\n mv \"${D8_EMPTY_CC}.new\" \"${D8_EMPTY_CC}\"\nelse\n rm \"${D8_EMPTY_CC}.new\"\nfi\n";
};
+ 89B91BC312D4F02A002FF4BC /* ShellScript */ = {
+ isa = PBXShellScriptBuildPhase;
+ buildActionMask = 2147483647;
+ files = (
+ );
+ inputPaths = (
+ );
+ outputPaths = (
+ );
+ runOnlyForDeploymentPostprocessing = 0;
+ shellPath = /bin/sh;
+ shellScript = "set -ex\nJS_FILES=\"d8.js\"\\\n\" macros.py\"\n\nV8ROOT=\"${SRCROOT}/..\"\n\nSRC_DIR=\"${V8ROOT}/src\"\n\nNATIVE_JS_FILES=\"\"\n\nfor i in ${JS_FILES} ; do\n NATIVE_JS_FILES+=\"${SRC_DIR}/${i} \"\ndone\n\nV8_GENERATED_SOURCES_DIR=\"${CONFIGURATION_TEMP_DIR}/generated\"\nmkdir -p \"${V8_GENERATED_SOURCES_DIR}\"\n\nD8_CC=\"${V8_GENERATED_SOURCES_DIR}/d8-js.cc\"\nD8_EMPTY_CC=\"${V8_GENERATED_SOURCES_DIR}/d8-js-empty.cc\"\n\npython \"${V8ROOT}/tools/js2c.py\" \\\n \"${D8_CC}.new\" \\\n \"${D8_EMPTY_CC}.new\" \\\n \"D8\" \\\n ${NATIVE_JS_FILES}\n\n# Only use the new files if they're different from the existing files (if any),\n# preserving the existing files' timestamps when there are no changes. This\n# minimizes unnecessary build activity for a no-change build.\n\nif ! diff -q \"${D8_CC}.new\" \"${D8_CC}\" >& /dev/null ; then\n mv \"${D8_CC}.new\" \"${D8_CC}\"\nelse\n rm \"${D8_CC}.new\"\nfi\n\nif ! diff -q \"${D8_EMPTY_CC}.new\" \"${D8_EMPTY_CC}\" >& /dev/null ; then\n mv \"${D8_EMPTY_CC}.new\" \"${D8_EMPTY_CC}\"\nelse\n rm \"${D8_EMPTY_CC}.new\"\nfi\n";
+ };
89EA6FB50E71AA1F00F59E1B /* ShellScript */ = {
isa = PBXShellScriptBuildPhase;
buildActionMask = 2147483647;
@@ -1444,6 +1787,140 @@
);
runOnlyForDeploymentPostprocessing = 0;
};
+ 8956922912D4ED240072C313 /* Sources */ = {
+ isa = PBXSourcesBuildPhase;
+ buildActionMask = 2147483647;
+ files = (
+ 8956922A12D4ED240072C313 /* objects-visiting.cc in Sources */,
+ 8956922B12D4ED240072C313 /* accessors.cc in Sources */,
+ 8956922C12D4ED240072C313 /* allocation.cc in Sources */,
+ 8956922D12D4ED240072C313 /* api.cc in Sources */,
+ 8956922F12D4ED240072C313 /* assembler.cc in Sources */,
+ 8956923012D4ED240072C313 /* ast.cc in Sources */,
+ 8956923112D4ED240072C313 /* bootstrapper.cc in Sources */,
+ 8956923312D4ED240072C313 /* builtins.cc in Sources */,
+ 8956923412D4ED240072C313 /* checks.cc in Sources */,
+ 8956923512D4ED240072C313 /* circular-queue.cc in Sources */,
+ 8956923612D4ED240072C313 /* code-stubs.cc in Sources */,
+ 8956923812D4ED240072C313 /* codegen.cc in Sources */,
+ 8956923912D4ED240072C313 /* compilation-cache.cc in Sources */,
+ 8956923A12D4ED240072C313 /* compiler.cc in Sources */,
+ 8956923B12D4ED240072C313 /* contexts.cc in Sources */,
+ 8956923C12D4ED240072C313 /* conversions.cc in Sources */,
+ 8956923D12D4ED240072C313 /* fixed-dtoa.cc in Sources */,
+ 8956923E12D4ED240072C313 /* counters.cc in Sources */,
+ 8956924012D4ED240072C313 /* cpu-profiler.cc in Sources */,
+ 8956924112D4ED240072C313 /* data-flow.cc in Sources */,
+ 8956924212D4ED240072C313 /* dateparser.cc in Sources */,
+ 8956924312D4ED240072C313 /* debug-agent.cc in Sources */,
+ 8956924512D4ED240072C313 /* dtoa.cc in Sources */,
+ 8956924612D4ED240072C313 /* debug.cc in Sources */,
+ 8956924812D4ED240072C313 /* disassembler.cc in Sources */,
+ 8956924912D4ED240072C313 /* diy-fp.cc in Sources */,
+ 8956924A12D4ED240072C313 /* execution.cc in Sources */,
+ 8956924B12D4ED240072C313 /* factory.cc in Sources */,
+ 8956924C12D4ED240072C313 /* fast-dtoa.cc in Sources */,
+ 8956924D12D4ED240072C313 /* flags.cc in Sources */,
+ 8956924E12D4ED240072C313 /* frame-element.cc in Sources */,
+ 8956925012D4ED240072C313 /* frames.cc in Sources */,
+ 8956925212D4ED240072C313 /* full-codegen.cc in Sources */,
+ 8956925312D4ED240072C313 /* func-name-inferrer.cc in Sources */,
+ 8956925412D4ED240072C313 /* global-handles.cc in Sources */,
+ 8956925512D4ED240072C313 /* handles.cc in Sources */,
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+ 8956925712D4ED240072C313 /* heap-profiler.cc in Sources */,
+ 8956925812D4ED240072C313 /* heap.cc in Sources */,
+ 8956925912D4ED240072C313 /* ic-ia32.cc in Sources */,
+ 8956925A12D4ED240072C313 /* ic.cc in Sources */,
+ 8956925B12D4ED240072C313 /* interpreter-irregexp.cc in Sources */,
+ 8956925C12D4ED240072C313 /* jsregexp.cc in Sources */,
+ 8956925D12D4ED240072C313 /* jump-target-heavy.cc in Sources */,
+ 8956925D12D4ED240072C313 /* jump-target-heavy.cc in Sources */,
+ 8956925F12D4ED240072C313 /* jump-target.cc in Sources */,
+ 8956926012D4ED240072C313 /* libraries.cc in Sources */,
+ 8956926112D4ED240072C313 /* liveedit.cc in Sources */,
+ 8956926212D4ED240072C313 /* log-utils.cc in Sources */,
+ 8956926312D4ED240072C313 /* log.cc in Sources */,
+ 8956926512D4ED240072C313 /* mark-compact.cc in Sources */,
+ 8956926612D4ED240072C313 /* messages.cc in Sources */,
+ 8956926712D4ED240072C313 /* objects-debug.cc in Sources */,
+ 8956926812D4ED240072C313 /* objects.cc in Sources */,
+ 8956926912D4ED240072C313 /* oprofile-agent.cc in Sources */,
+ 8956926A12D4ED240072C313 /* parser.cc in Sources */,
+ 8956926B12D4ED240072C313 /* platform-macos.cc in Sources */,
+ 8956926C12D4ED240072C313 /* platform-posix.cc in Sources */,
+ 8956926D12D4ED240072C313 /* prettyprinter.cc in Sources */,
+ 8956926E12D4ED240072C313 /* profile-generator.cc in Sources */,
+ 8956926F12D4ED240072C313 /* property.cc in Sources */,
+ 8956927112D4ED240072C313 /* regexp-macro-assembler-irregexp.cc in Sources */,
+ 8956927212D4ED240072C313 /* regexp-macro-assembler-tracer.cc in Sources */,
+ 8956927312D4ED240072C313 /* regexp-macro-assembler.cc in Sources */,
+ 8956927412D4ED240072C313 /* regexp-stack.cc in Sources */,
+ 8956927612D4ED240072C313 /* register-allocator.cc in Sources */,
+ 8956927712D4ED240072C313 /* rewriter.cc in Sources */,
+ 8956927812D4ED240072C313 /* runtime.cc in Sources */,
+ 8956927912D4ED240072C313 /* scanner.cc in Sources */,
+ 8956927A12D4ED240072C313 /* scopeinfo.cc in Sources */,
+ 8956927B12D4ED240072C313 /* scopes.cc in Sources */,
+ 8956927C12D4ED240072C313 /* serialize.cc in Sources */,
+ 8956927D12D4ED240072C313 /* snapshot-common.cc in Sources */,
+ 8956927E12D4ED240072C313 /* snapshot-empty.cc in Sources */,
+ 8956927F12D4ED240072C313 /* spaces.cc in Sources */,
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+ 8956928412D4ED240072C313 /* top.cc in Sources */,
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+ 8956928612D4ED240072C313 /* unicode.cc in Sources */,
+ 8956928712D4ED240072C313 /* utils.cc in Sources */,
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