Update V8 to r7427: Initial merge by git
As required by WebKit r82507
Change-Id: I7ae83ef3f689356043b4929255b7c1dd31d8c5df
diff --git a/src/mips/codegen-mips.cc b/src/mips/codegen-mips.cc
index 79801f0..c1149df 100644
--- a/src/mips/codegen-mips.cc
+++ b/src/mips/codegen-mips.cc
@@ -31,36 +31,62 @@
#if defined(V8_TARGET_ARCH_MIPS)
#include "bootstrapper.h"
+#include "code-stubs.h"
#include "codegen-inl.h"
#include "compiler.h"
#include "debug.h"
#include "ic-inl.h"
+#include "jsregexp.h"
+#include "jump-target-inl.h"
#include "parser.h"
+#include "regexp-macro-assembler.h"
+#include "regexp-stack.h"
#include "register-allocator-inl.h"
#include "runtime.h"
#include "scopes.h"
+#include "stub-cache.h"
#include "virtual-frame-inl.h"
-
-
+#include "virtual-frame-mips-inl.h"
namespace v8 {
namespace internal {
+
#define __ ACCESS_MASM(masm_)
-
-
-// -----------------------------------------------------------------------------
+// -------------------------------------------------------------------------
// Platform-specific DeferredCode functions.
-
void DeferredCode::SaveRegisters() {
- UNIMPLEMENTED_MIPS();
+ // On MIPS you either have a completely spilled frame or you
+ // handle it yourself, but at the moment there's no automation
+ // of registers and deferred code.
}
void DeferredCode::RestoreRegisters() {
- UNIMPLEMENTED_MIPS();
+}
+
+
+// -------------------------------------------------------------------------
+// Platform-specific RuntimeCallHelper functions.
+
+void VirtualFrameRuntimeCallHelper::BeforeCall(MacroAssembler* masm) const {
+ frame_state_->frame()->AssertIsSpilled();
+}
+
+
+void VirtualFrameRuntimeCallHelper::AfterCall(MacroAssembler* masm) const {
+}
+
+
+void StubRuntimeCallHelper::BeforeCall(MacroAssembler* masm) const {
+ masm->EnterInternalFrame();
+}
+
+
+void StubRuntimeCallHelper::AfterCall(MacroAssembler* masm) const {
+ masm->LeaveInternalFrame();
}
@@ -69,21 +95,28 @@
CodeGenState::CodeGenState(CodeGenerator* owner)
: owner_(owner),
- true_target_(NULL),
- false_target_(NULL),
- previous_(NULL) {
- owner_->set_state(this);
+ previous_(owner->state()) {
+ owner->set_state(this);
}
-CodeGenState::CodeGenState(CodeGenerator* owner,
+ConditionCodeGenState::ConditionCodeGenState(CodeGenerator* owner,
JumpTarget* true_target,
JumpTarget* false_target)
- : owner_(owner),
+ : CodeGenState(owner),
true_target_(true_target),
- false_target_(false_target),
- previous_(owner->state()) {
- owner_->set_state(this);
+ false_target_(false_target) {
+ owner->set_state(this);
+}
+
+
+TypeInfoCodeGenState::TypeInfoCodeGenState(CodeGenerator* owner,
+ Slot* slot,
+ TypeInfo type_info)
+ : CodeGenState(owner),
+ slot_(slot) {
+ owner->set_state(this);
+ old_type_info_ = owner->set_type_info(slot, type_info);
}
@@ -93,16 +126,25 @@
}
+TypeInfoCodeGenState::~TypeInfoCodeGenState() {
+ owner()->set_type_info(slot_, old_type_info_);
+}
+
+
// -----------------------------------------------------------------------------
-// CodeGenerator implementation
+// CodeGenerator implementation.
CodeGenerator::CodeGenerator(MacroAssembler* masm)
: deferred_(8),
masm_(masm),
+ info_(NULL),
frame_(NULL),
allocator_(NULL),
cc_reg_(cc_always),
state_(NULL),
+ loop_nesting_(0),
+ type_info_(NULL),
+ function_return_(JumpTarget::BIDIRECTIONAL),
function_return_is_shadowed_(false) {
}
@@ -114,356 +156,249 @@
// cp: callee's context
void CodeGenerator::Generate(CompilationInfo* info) {
- // Record the position for debugging purposes.
- CodeForFunctionPosition(info->function());
-
- // Initialize state.
- info_ = info;
- ASSERT(allocator_ == NULL);
- RegisterAllocator register_allocator(this);
- allocator_ = ®ister_allocator;
- ASSERT(frame_ == NULL);
- frame_ = new VirtualFrame();
- cc_reg_ = cc_always;
-
- {
- CodeGenState state(this);
-
- // Registers:
- // a1: called JS function
- // ra: return address
- // fp: caller's frame pointer
- // sp: stack pointer
- // cp: callee's context
- //
- // Stack:
- // arguments
- // receiver
-
- frame_->Enter();
-
- // Allocate space for locals and initialize them.
- frame_->AllocateStackSlots();
-
- // Initialize the function return target.
- function_return_.set_direction(JumpTarget::BIDIRECTIONAL);
- function_return_is_shadowed_ = false;
-
- VirtualFrame::SpilledScope spilled_scope;
- if (scope()->num_heap_slots() > 0) {
- UNIMPLEMENTED_MIPS();
- }
-
- {
- Comment cmnt2(masm_, "[ copy context parameters into .context");
-
- // Note that iteration order is relevant here! If we have the same
- // parameter twice (e.g., function (x, y, x)), and that parameter
- // needs to be copied into the context, it must be the last argument
- // passed to the parameter that needs to be copied. This is a rare
- // case so we don't check for it, instead we rely on the copying
- // order: such a parameter is copied repeatedly into the same
- // context location and thus the last value is what is seen inside
- // the function.
- for (int i = 0; i < scope()->num_parameters(); i++) {
- UNIMPLEMENTED_MIPS();
- }
- }
-
- // Store the arguments object. This must happen after context
- // initialization because the arguments object may be stored in the
- // context.
- if (scope()->arguments() != NULL) {
- UNIMPLEMENTED_MIPS();
- }
-
- // Generate code to 'execute' declarations and initialize functions
- // (source elements). In case of an illegal redeclaration we need to
- // handle that instead of processing the declarations.
- if (scope()->HasIllegalRedeclaration()) {
- Comment cmnt(masm_, "[ illegal redeclarations");
- scope()->VisitIllegalRedeclaration(this);
- } else {
- Comment cmnt(masm_, "[ declarations");
- ProcessDeclarations(scope()->declarations());
- // Bail out if a stack-overflow exception occurred when processing
- // declarations.
- if (HasStackOverflow()) return;
- }
-
- if (FLAG_trace) {
- UNIMPLEMENTED_MIPS();
- }
-
- // Compile the body of the function in a vanilla state. Don't
- // bother compiling all the code if the scope has an illegal
- // redeclaration.
- if (!scope()->HasIllegalRedeclaration()) {
- Comment cmnt(masm_, "[ function body");
-#ifdef DEBUG
- bool is_builtin = Bootstrapper::IsActive();
- bool should_trace =
- is_builtin ? FLAG_trace_builtin_calls : FLAG_trace_calls;
- if (should_trace) {
- UNIMPLEMENTED_MIPS();
- }
-#endif
- VisitStatementsAndSpill(info->function()->body());
- }
- }
-
- if (has_valid_frame() || function_return_.is_linked()) {
- if (!function_return_.is_linked()) {
- CodeForReturnPosition(info->function());
- }
- // Registers:
- // v0: result
- // sp: stack pointer
- // fp: frame pointer
- // cp: callee's context
-
- __ LoadRoot(v0, Heap::kUndefinedValueRootIndex);
-
- function_return_.Bind();
- if (FLAG_trace) {
- UNIMPLEMENTED_MIPS();
- }
-
- // Add a label for checking the size of the code used for returning.
- Label check_exit_codesize;
- masm_->bind(&check_exit_codesize);
-
- masm_->mov(sp, fp);
- masm_->lw(fp, MemOperand(sp, 0));
- masm_->lw(ra, MemOperand(sp, 4));
- masm_->addiu(sp, sp, 8);
-
- // Here we use masm_-> instead of the __ macro to avoid the code coverage
- // tool from instrumenting as we rely on the code size here.
- // TODO(MIPS): Should we be able to use more than 0x1ffe parameters?
- masm_->addiu(sp, sp, (scope()->num_parameters() + 1) * kPointerSize);
- masm_->Jump(ra);
- // The Jump automatically generates a nop in the branch delay slot.
-
- // Check that the size of the code used for returning matches what is
- // expected by the debugger.
- ASSERT_EQ(kJSReturnSequenceLength,
- masm_->InstructionsGeneratedSince(&check_exit_codesize));
- }
-
- // Code generation state must be reset.
- ASSERT(!has_cc());
- ASSERT(state_ == NULL);
- ASSERT(!function_return_is_shadowed_);
- function_return_.Unuse();
- DeleteFrame();
-
- // Process any deferred code using the register allocator.
- if (!HasStackOverflow()) {
- ProcessDeferred();
- }
-
- allocator_ = NULL;
+ UNIMPLEMENTED_MIPS();
}
-void CodeGenerator::LoadReference(Reference* ref) {
- VirtualFrame::SpilledScope spilled_scope;
- Comment cmnt(masm_, "[ LoadReference");
- Expression* e = ref->expression();
- Property* property = e->AsProperty();
- Variable* var = e->AsVariableProxy()->AsVariable();
-
- if (property != NULL) {
- UNIMPLEMENTED_MIPS();
- } else if (var != NULL) {
- // The expression is a variable proxy that does not rewrite to a
- // property. Global variables are treated as named property references.
- if (var->is_global()) {
- LoadGlobal();
- ref->set_type(Reference::NAMED);
- } else {
- ASSERT(var->slot() != NULL);
- ref->set_type(Reference::SLOT);
- }
- } else {
- UNIMPLEMENTED_MIPS();
- }
-}
-
-
-void CodeGenerator::UnloadReference(Reference* ref) {
- VirtualFrame::SpilledScope spilled_scope;
- // Pop a reference from the stack while preserving TOS.
- Comment cmnt(masm_, "[ UnloadReference");
- int size = ref->size();
- if (size > 0) {
- frame_->EmitPop(a0);
- frame_->Drop(size);
- frame_->EmitPush(a0);
- }
- ref->set_unloaded();
+int CodeGenerator::NumberOfSlot(Slot* slot) {
+ UNIMPLEMENTED_MIPS();
+ return 0;
}
MemOperand CodeGenerator::SlotOperand(Slot* slot, Register tmp) {
- // Currently, this assertion will fail if we try to assign to
- // a constant variable that is constant because it is read-only
- // (such as the variable referring to a named function expression).
- // We need to implement assignments to read-only variables.
- // Ideally, we should do this during AST generation (by converting
- // such assignments into expression statements); however, in general
- // we may not be able to make the decision until past AST generation,
- // that is when the entire program is known.
- ASSERT(slot != NULL);
- int index = slot->index();
- switch (slot->type()) {
- case Slot::PARAMETER:
- UNIMPLEMENTED_MIPS();
- return MemOperand(no_reg, 0);
-
- case Slot::LOCAL:
- return frame_->LocalAt(index);
-
- case Slot::CONTEXT: {
- UNIMPLEMENTED_MIPS();
- return MemOperand(no_reg, 0);
- }
-
- default:
- UNREACHABLE();
- return MemOperand(no_reg, 0);
- }
+ UNIMPLEMENTED_MIPS();
+ return MemOperand(zero_reg, 0);
}
-// Loads a value on TOS. If it is a boolean value, the result may have been
-// (partially) translated into branches, or it may have set the condition
-// code register. If force_cc is set, the value is forced to set the
-// condition code register and no value is pushed. If the condition code
-// register was set, has_cc() is true and cc_reg_ contains the condition to
-// test for 'true'.
+MemOperand CodeGenerator::ContextSlotOperandCheckExtensions(
+ Slot* slot,
+ Register tmp,
+ Register tmp2,
+ JumpTarget* slow) {
+ UNIMPLEMENTED_MIPS();
+ return MemOperand(zero_reg, 0);
+}
+
+
void CodeGenerator::LoadCondition(Expression* x,
JumpTarget* true_target,
JumpTarget* false_target,
bool force_cc) {
- ASSERT(!has_cc());
- int original_height = frame_->height();
-
- { CodeGenState new_state(this, true_target, false_target);
- Visit(x);
-
- // If we hit a stack overflow, we may not have actually visited
- // the expression. In that case, we ensure that we have a
- // valid-looking frame state because we will continue to generate
- // code as we unwind the C++ stack.
- //
- // It's possible to have both a stack overflow and a valid frame
- // state (eg, a subexpression overflowed, visiting it returned
- // with a dummied frame state, and visiting this expression
- // returned with a normal-looking state).
- if (HasStackOverflow() &&
- has_valid_frame() &&
- !has_cc() &&
- frame_->height() == original_height) {
- true_target->Jump();
- }
- }
- if (force_cc && frame_ != NULL && !has_cc()) {
- // Convert the TOS value to a boolean in the condition code register.
- UNIMPLEMENTED_MIPS();
- }
- ASSERT(!force_cc || !has_valid_frame() || has_cc());
- ASSERT(!has_valid_frame() ||
- (has_cc() && frame_->height() == original_height) ||
- (!has_cc() && frame_->height() == original_height + 1));
+ UNIMPLEMENTED_MIPS();
}
void CodeGenerator::Load(Expression* x) {
-#ifdef DEBUG
- int original_height = frame_->height();
-#endif
- JumpTarget true_target;
- JumpTarget false_target;
- LoadCondition(x, &true_target, &false_target, false);
-
- if (has_cc()) {
- UNIMPLEMENTED_MIPS();
- }
-
- if (true_target.is_linked() || false_target.is_linked()) {
- UNIMPLEMENTED_MIPS();
- }
- ASSERT(has_valid_frame());
- ASSERT(!has_cc());
- ASSERT(frame_->height() == original_height + 1);
+ UNIMPLEMENTED_MIPS();
}
void CodeGenerator::LoadGlobal() {
- VirtualFrame::SpilledScope spilled_scope;
- __ lw(a0, GlobalObject());
- frame_->EmitPush(a0);
+ UNIMPLEMENTED_MIPS();
}
-void CodeGenerator::LoadFromSlot(Slot* slot, TypeofState typeof_state) {
- VirtualFrame::SpilledScope spilled_scope;
- if (slot->type() == Slot::LOOKUP) {
- UNIMPLEMENTED_MIPS();
- } else {
- __ lw(a0, SlotOperand(slot, a2));
- frame_->EmitPush(a0);
- if (slot->var()->mode() == Variable::CONST) {
- UNIMPLEMENTED_MIPS();
- }
- }
+void CodeGenerator::LoadGlobalReceiver(Register scratch) {
+ UNIMPLEMENTED_MIPS();
}
-void CodeGenerator::StoreToSlot(Slot* slot, InitState init_state) {
- ASSERT(slot != NULL);
- if (slot->type() == Slot::LOOKUP) {
- UNIMPLEMENTED_MIPS();
- } else {
- ASSERT(!slot->var()->is_dynamic());
+ArgumentsAllocationMode CodeGenerator::ArgumentsMode() {
+ UNIMPLEMENTED_MIPS();
+ return EAGER_ARGUMENTS_ALLOCATION;
+}
- JumpTarget exit;
- if (init_state == CONST_INIT) {
- UNIMPLEMENTED_MIPS();
- }
- // We must execute the store. Storing a variable must keep the
- // (new) value on the stack. This is necessary for compiling
- // assignment expressions.
- //
- // Note: We will reach here even with slot->var()->mode() ==
- // Variable::CONST because of const declarations which will
- // initialize consts to 'the hole' value and by doing so, end up
- // calling this code. a2 may be loaded with context; used below in
- // RecordWrite.
- frame_->EmitPop(a0);
- __ sw(a0, SlotOperand(slot, a2));
- frame_->EmitPush(a0);
- if (slot->type() == Slot::CONTEXT) {
- UNIMPLEMENTED_MIPS();
- }
- // If we definitely did not jump over the assignment, we do not need
- // to bind the exit label. Doing so can defeat peephole
- // optimization.
- if (init_state == CONST_INIT || slot->type() == Slot::CONTEXT) {
- exit.Bind();
- }
+void CodeGenerator::StoreArgumentsObject(bool initial) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::LoadTypeofExpression(Expression* x) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+Reference::Reference(CodeGenerator* cgen,
+ Expression* expression,
+ bool persist_after_get)
+ : cgen_(cgen),
+ expression_(expression),
+ type_(ILLEGAL),
+ persist_after_get_(persist_after_get) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+Reference::~Reference() {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::LoadReference(Reference* ref) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::UnloadReference(Reference* ref) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+// ECMA-262, section 9.2, page 30: ToBoolean(). Convert the given
+// register to a boolean in the condition code register. The code
+// may jump to 'false_target' in case the register converts to 'false'.
+void CodeGenerator::ToBoolean(JumpTarget* true_target,
+ JumpTarget* false_target) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::GenericBinaryOperation(Token::Value op,
+ OverwriteMode overwrite_mode,
+ GenerateInlineSmi inline_smi,
+ int constant_rhs) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+class DeferredInlineSmiOperation: public DeferredCode {
+ public:
+ DeferredInlineSmiOperation(Token::Value op,
+ int value,
+ bool reversed,
+ OverwriteMode overwrite_mode,
+ Register tos)
+ : op_(op),
+ value_(value),
+ reversed_(reversed),
+ overwrite_mode_(overwrite_mode),
+ tos_register_(tos) {
+ set_comment("[ DeferredInlinedSmiOperation");
}
+
+ virtual void Generate();
+ // This stub makes explicit calls to SaveRegisters(), RestoreRegisters() and
+ // Exit(). Currently on MIPS SaveRegisters() and RestoreRegisters() are empty
+ // methods, it is the responsibility of the deferred code to save and restore
+ // registers.
+ virtual bool AutoSaveAndRestore() { return false; }
+
+ void JumpToNonSmiInput(Condition cond, Register cmp1, const Operand& cmp2);
+ void JumpToAnswerOutOfRange(Condition cond,
+ Register cmp1,
+ const Operand& cmp2);
+
+ private:
+ void GenerateNonSmiInput();
+ void GenerateAnswerOutOfRange();
+ void WriteNonSmiAnswer(Register answer,
+ Register heap_number,
+ Register scratch);
+
+ Token::Value op_;
+ int value_;
+ bool reversed_;
+ OverwriteMode overwrite_mode_;
+ Register tos_register_;
+ Label non_smi_input_;
+ Label answer_out_of_range_;
+};
+
+
+// For bit operations we try harder and handle the case where the input is not
+// a Smi but a 32bits integer without calling the generic stub.
+void DeferredInlineSmiOperation::JumpToNonSmiInput(Condition cond,
+ Register cmp1,
+ const Operand& cmp2) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+// For bit operations the result is always 32bits so we handle the case where
+// the result does not fit in a Smi without calling the generic stub.
+void DeferredInlineSmiOperation::JumpToAnswerOutOfRange(Condition cond,
+ Register cmp1,
+ const Operand& cmp2) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+// On entry the non-constant side of the binary operation is in tos_register_
+// and the constant smi side is nowhere. The tos_register_ is not used by the
+// virtual frame. On exit the answer is in the tos_register_ and the virtual
+// frame is unchanged.
+void DeferredInlineSmiOperation::Generate() {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+// Convert and write the integer answer into heap_number.
+void DeferredInlineSmiOperation::WriteNonSmiAnswer(Register answer,
+ Register heap_number,
+ Register scratch) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void DeferredInlineSmiOperation::GenerateNonSmiInput() {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void DeferredInlineSmiOperation::GenerateAnswerOutOfRange() {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::SmiOperation(Token::Value op,
+ Handle<Object> value,
+ bool reversed,
+ OverwriteMode mode) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+// On MIPS we load registers condReg1 and condReg2 with the values which should
+// be compared. With the CodeGenerator::cc_reg_ condition, functions will be
+// able to evaluate correctly the condition. (eg CodeGenerator::Branch)
+void CodeGenerator::Comparison(Condition cc,
+ Expression* left,
+ Expression* right,
+ bool strict) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::CallWithArguments(ZoneList<Expression*>* args,
+ CallFunctionFlags flags,
+ int position) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::CallApplyLazy(Expression* applicand,
+ Expression* receiver,
+ VariableProxy* arguments,
+ int position) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::Branch(bool if_true, JumpTarget* target) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::CheckStack() {
+ UNIMPLEMENTED_MIPS();
}
void CodeGenerator::VisitStatements(ZoneList<Statement*>* statements) {
- VirtualFrame::SpilledScope spilled_scope;
- for (int i = 0; frame_ != NULL && i < statements->length(); i++) {
- VisitAndSpill(statements->at(i));
- }
+ UNIMPLEMENTED_MIPS();
}
@@ -473,14 +408,7 @@
void CodeGenerator::DeclareGlobals(Handle<FixedArray> pairs) {
- VirtualFrame::SpilledScope spilled_scope;
- frame_->EmitPush(cp);
- __ li(t0, Operand(pairs));
- frame_->EmitPush(t0);
- __ li(t0, Operand(Smi::FromInt(is_eval() ? 1 : 0)));
- frame_->EmitPush(t0);
- frame_->CallRuntime(Runtime::kDeclareGlobals, 3);
- // The result is discarded.
+ UNIMPLEMENTED_MIPS();
}
@@ -490,17 +418,7 @@
void CodeGenerator::VisitExpressionStatement(ExpressionStatement* node) {
-#ifdef DEBUG
- int original_height = frame_->height();
-#endif
- VirtualFrame::SpilledScope spilled_scope;
- Comment cmnt(masm_, "[ ExpressionStatement");
- CodeForStatementPosition(node);
- Expression* expression = node->expression();
- expression->MarkAsStatement();
- LoadAndSpill(expression);
- frame_->Drop();
- ASSERT(frame_->height() == original_height);
+ UNIMPLEMENTED_MIPS();
}
@@ -525,22 +443,12 @@
void CodeGenerator::VisitReturnStatement(ReturnStatement* node) {
- VirtualFrame::SpilledScope spilled_scope;
- Comment cmnt(masm_, "[ ReturnStatement");
+ UNIMPLEMENTED_MIPS();
+}
- CodeForStatementPosition(node);
- LoadAndSpill(node->expression());
- if (function_return_is_shadowed_) {
- frame_->EmitPop(v0);
- function_return_.Jump();
- } else {
- // Pop the result from the frame and prepare the frame for
- // returning thus making it easier to merge.
- frame_->EmitPop(v0);
- frame_->PrepareForReturn();
- function_return_.Jump();
- }
+void CodeGenerator::GenerateReturnSequence() {
+ UNIMPLEMENTED_MIPS();
}
@@ -594,6 +502,13 @@
}
+void CodeGenerator::InstantiateFunction(
+ Handle<SharedFunctionInfo> function_info,
+ bool pretenure) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
void CodeGenerator::VisitFunctionLiteral(FunctionLiteral* node) {
UNIMPLEMENTED_MIPS();
}
@@ -610,46 +525,49 @@
}
+void CodeGenerator::LoadFromSlot(Slot* slot, TypeofState typeof_state) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::LoadFromSlotCheckForArguments(Slot* slot,
+ TypeofState state) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::StoreToSlot(Slot* slot, InitState init_state) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::LoadFromGlobalSlotCheckExtensions(Slot* slot,
+ TypeofState typeof_state,
+ JumpTarget* slow) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::EmitDynamicLoadFromSlotFastCase(Slot* slot,
+ TypeofState typeof_state,
+ JumpTarget* slow,
+ JumpTarget* done) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
void CodeGenerator::VisitSlot(Slot* node) {
-#ifdef DEBUG
- int original_height = frame_->height();
-#endif
- VirtualFrame::SpilledScope spilled_scope;
- Comment cmnt(masm_, "[ Slot");
- LoadFromSlot(node, typeof_state());
- ASSERT(frame_->height() == original_height + 1);
+ UNIMPLEMENTED_MIPS();
}
void CodeGenerator::VisitVariableProxy(VariableProxy* node) {
-#ifdef DEBUG
- int original_height = frame_->height();
-#endif
- VirtualFrame::SpilledScope spilled_scope;
- Comment cmnt(masm_, "[ VariableProxy");
-
- Variable* var = node->var();
- Expression* expr = var->rewrite();
- if (expr != NULL) {
- Visit(expr);
- } else {
- ASSERT(var->is_global());
- Reference ref(this, node);
- ref.GetValueAndSpill();
- }
- ASSERT(frame_->height() == original_height + 1);
+ UNIMPLEMENTED_MIPS();
}
void CodeGenerator::VisitLiteral(Literal* node) {
-#ifdef DEBUG
- int original_height = frame_->height();
-#endif
- VirtualFrame::SpilledScope spilled_scope;
- Comment cmnt(masm_, "[ Literal");
- __ li(t0, Operand(node->handle()));
- frame_->EmitPush(t0);
- ASSERT(frame_->height() == original_height + 1);
+ UNIMPLEMENTED_MIPS();
}
@@ -673,48 +591,23 @@
}
+void CodeGenerator::EmitSlotAssignment(Assignment* node) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::EmitNamedPropertyAssignment(Assignment* node) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::EmitKeyedPropertyAssignment(Assignment* node) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
void CodeGenerator::VisitAssignment(Assignment* node) {
-#ifdef DEBUG
- int original_height = frame_->height();
-#endif
- VirtualFrame::SpilledScope spilled_scope;
- Comment cmnt(masm_, "[ Assignment");
-
- { Reference target(this, node->target());
- if (target.is_illegal()) {
- // Fool the virtual frame into thinking that we left the assignment's
- // value on the frame.
- frame_->EmitPush(zero_reg);
- ASSERT(frame_->height() == original_height + 1);
- return;
- }
-
- if (node->op() == Token::ASSIGN ||
- node->op() == Token::INIT_VAR ||
- node->op() == Token::INIT_CONST) {
- LoadAndSpill(node->value());
- } else {
- UNIMPLEMENTED_MIPS();
- }
-
- Variable* var = node->target()->AsVariableProxy()->AsVariable();
- if (var != NULL &&
- (var->mode() == Variable::CONST) &&
- node->op() != Token::INIT_VAR && node->op() != Token::INIT_CONST) {
- // Assignment ignored - leave the value on the stack.
- } else {
- CodeForSourcePosition(node->position());
- if (node->op() == Token::INIT_CONST) {
- // Dynamic constant initializations must use the function context
- // and initialize the actual constant declared. Dynamic variable
- // initializations are simply assignments and use SetValue.
- target.SetValue(CONST_INIT);
- } else {
- target.SetValue(NOT_CONST_INIT);
- }
- }
- }
- ASSERT(frame_->height() == original_height + 1);
+ UNIMPLEMENTED_MIPS();
}
@@ -729,73 +622,7 @@
void CodeGenerator::VisitCall(Call* node) {
-#ifdef DEBUG
- int original_height = frame_->height();
-#endif
- VirtualFrame::SpilledScope spilled_scope;
- Comment cmnt(masm_, "[ Call");
-
- Expression* function = node->expression();
- ZoneList<Expression*>* args = node->arguments();
-
- // Standard function call.
- // Check if the function is a variable or a property.
- Variable* var = function->AsVariableProxy()->AsVariable();
- Property* property = function->AsProperty();
-
- // ------------------------------------------------------------------------
- // Fast-case: Use inline caching.
- // ---
- // According to ECMA-262, section 11.2.3, page 44, the function to call
- // must be resolved after the arguments have been evaluated. The IC code
- // automatically handles this by loading the arguments before the function
- // is resolved in cache misses (this also holds for megamorphic calls).
- // ------------------------------------------------------------------------
-
- if (var != NULL && var->is_possibly_eval()) {
- UNIMPLEMENTED_MIPS();
- } else if (var != NULL && !var->is_this() && var->is_global()) {
- // ----------------------------------
- // JavaScript example: 'foo(1, 2, 3)' // foo is global
- // ----------------------------------
-
- int arg_count = args->length();
-
- // We need sp to be 8 bytes aligned when calling the stub.
- __ SetupAlignedCall(t0, arg_count);
-
- // Pass the global object as the receiver and let the IC stub
- // patch the stack to use the global proxy as 'this' in the
- // invoked function.
- LoadGlobal();
-
- // Load the arguments.
- for (int i = 0; i < arg_count; i++) {
- LoadAndSpill(args->at(i));
- }
-
- // Setup the receiver register and call the IC initialization code.
- __ li(a2, Operand(var->name()));
- InLoopFlag in_loop = loop_nesting() > 0 ? IN_LOOP : NOT_IN_LOOP;
- Handle<Code> stub = ComputeCallInitialize(arg_count, in_loop);
- CodeForSourcePosition(node->position());
- frame_->CallCodeObject(stub, RelocInfo::CODE_TARGET_CONTEXT,
- arg_count + 1);
- __ ReturnFromAlignedCall();
- __ lw(cp, frame_->Context());
- // Remove the function from the stack.
- frame_->EmitPush(v0);
-
- } else if (var != NULL && var->slot() != NULL &&
- var->slot()->type() == Slot::LOOKUP) {
- UNIMPLEMENTED_MIPS();
- } else if (property != NULL) {
- UNIMPLEMENTED_MIPS();
- } else {
- UNIMPLEMENTED_MIPS();
- }
-
- ASSERT(frame_->height() == original_height + 1);
+ UNIMPLEMENTED_MIPS();
}
@@ -839,30 +666,112 @@
}
-void CodeGenerator::GenerateMathCos(ZoneList<Expression*>* args) {
- UNIMPLEMENTED_MIPS();
-}
-
-
-void CodeGenerator::GenerateMathSin(ZoneList<Expression*>* args) {
- UNIMPLEMENTED_MIPS();
-}
-
-
void CodeGenerator::GenerateMathSqrt(ZoneList<Expression*>* args) {
UNIMPLEMENTED_MIPS();
}
-// This should generate code that performs a charCodeAt() call or returns
-// undefined in order to trigger the slow case, Runtime_StringCharCodeAt.
-// It is not yet implemented on ARM, so it always goes to the slow case.
-void CodeGenerator::GenerateFastCharCodeAt(ZoneList<Expression*>* args) {
+class DeferredStringCharCodeAt : public DeferredCode {
+ public:
+ DeferredStringCharCodeAt(Register object,
+ Register index,
+ Register scratch,
+ Register result)
+ : result_(result),
+ char_code_at_generator_(object,
+ index,
+ scratch,
+ result,
+ &need_conversion_,
+ &need_conversion_,
+ &index_out_of_range_,
+ STRING_INDEX_IS_NUMBER) {}
+
+ StringCharCodeAtGenerator* fast_case_generator() {
+ return &char_code_at_generator_;
+ }
+
+ virtual void Generate() {
+ UNIMPLEMENTED_MIPS();
+ }
+
+ private:
+ Register result_;
+
+ Label need_conversion_;
+ Label index_out_of_range_;
+
+ StringCharCodeAtGenerator char_code_at_generator_;
+};
+
+
+void CodeGenerator::GenerateStringCharCodeAt(ZoneList<Expression*>* args) {
UNIMPLEMENTED_MIPS();
}
-void CodeGenerator::GenerateCharFromCode(ZoneList<Expression*>* args) {
+class DeferredStringCharFromCode : public DeferredCode {
+ public:
+ DeferredStringCharFromCode(Register code,
+ Register result)
+ : char_from_code_generator_(code, result) {}
+
+ StringCharFromCodeGenerator* fast_case_generator() {
+ return &char_from_code_generator_;
+ }
+
+ virtual void Generate() {
+ VirtualFrameRuntimeCallHelper call_helper(frame_state());
+ char_from_code_generator_.GenerateSlow(masm(), call_helper);
+ }
+
+ private:
+ StringCharFromCodeGenerator char_from_code_generator_;
+};
+
+
+void CodeGenerator::GenerateStringCharFromCode(ZoneList<Expression*>* args) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+class DeferredStringCharAt : public DeferredCode {
+ public:
+ DeferredStringCharAt(Register object,
+ Register index,
+ Register scratch1,
+ Register scratch2,
+ Register result)
+ : result_(result),
+ char_at_generator_(object,
+ index,
+ scratch1,
+ scratch2,
+ result,
+ &need_conversion_,
+ &need_conversion_,
+ &index_out_of_range_,
+ STRING_INDEX_IS_NUMBER) {}
+
+ StringCharAtGenerator* fast_case_generator() {
+ return &char_at_generator_;
+ }
+
+ virtual void Generate() {
+ UNIMPLEMENTED_MIPS();
+}
+
+ private:
+ Register result_;
+
+ Label need_conversion_;
+ Label index_out_of_range_;
+
+ StringCharAtGenerator char_at_generator_;
+};
+
+
+void CodeGenerator::GenerateStringCharAt(ZoneList<Expression*>* args) {
UNIMPLEMENTED_MIPS();
}
@@ -877,6 +786,55 @@
}
+void CodeGenerator::GenerateIsObject(ZoneList<Expression*>* args) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::GenerateIsSpecObject(ZoneList<Expression*>* args) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+class DeferredIsStringWrapperSafeForDefaultValueOf : public DeferredCode {
+ public:
+ DeferredIsStringWrapperSafeForDefaultValueOf(Register object,
+ Register map_result,
+ Register scratch1,
+ Register scratch2)
+ : object_(object),
+ map_result_(map_result),
+ scratch1_(scratch1),
+ scratch2_(scratch2) { }
+
+ virtual void Generate() {
+ UNIMPLEMENTED_MIPS();
+ }
+
+ private:
+ Register object_;
+ Register map_result_;
+ Register scratch1_;
+ Register scratch2_;
+};
+
+
+void CodeGenerator::GenerateIsStringWrapperSafeForDefaultValueOf(
+ ZoneList<Expression*>* args) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::GenerateIsFunction(ZoneList<Expression*>* args) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::GenerateIsUndetectableObject(ZoneList<Expression*>* args) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
void CodeGenerator::GenerateIsConstructCall(ZoneList<Expression*>* args) {
UNIMPLEMENTED_MIPS();
}
@@ -892,32 +850,8 @@
}
-void CodeGenerator::GenerateRandomHeapNumber(ZoneList<Expression*>* args) {
- UNIMPLEMENTED_MIPS();
-}
-
-
-void CodeGenerator::GenerateObjectEquals(ZoneList<Expression*>* args) {
- UNIMPLEMENTED_MIPS();
-}
-
-
-void CodeGenerator::GenerateIsObject(ZoneList<Expression*>* args) {
- UNIMPLEMENTED_MIPS();
-}
-
-
-void CodeGenerator::GenerateIsSpecObject(ZoneList<Expression*>* args) {
- UNIMPLEMENTED_MIPS();
-}
-
-
-void CodeGenerator::GenerateIsFunction(ZoneList<Expression*>* args) {
- UNIMPLEMENTED_MIPS();
-}
-
-
-void CodeGenerator::GenerateIsUndetectableObject(ZoneList<Expression*>* args) {
+void CodeGenerator::GenerateRandomHeapNumber(
+ ZoneList<Expression*>* args) {
UNIMPLEMENTED_MIPS();
}
@@ -942,11 +876,109 @@
}
+void CodeGenerator::GenerateRegExpConstructResult(ZoneList<Expression*>* args) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+class DeferredSearchCache: public DeferredCode {
+ public:
+ DeferredSearchCache(Register dst, Register cache, Register key)
+ : dst_(dst), cache_(cache), key_(key) {
+ set_comment("[ DeferredSearchCache");
+ }
+
+ virtual void Generate();
+
+ private:
+ Register dst_, cache_, key_;
+};
+
+
+void DeferredSearchCache::Generate() {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::GenerateGetFromCache(ZoneList<Expression*>* args) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
void CodeGenerator::GenerateNumberToString(ZoneList<Expression*>* args) {
UNIMPLEMENTED_MIPS();
}
+class DeferredSwapElements: public DeferredCode {
+ public:
+ DeferredSwapElements(Register object, Register index1, Register index2)
+ : object_(object), index1_(index1), index2_(index2) {
+ set_comment("[ DeferredSwapElements");
+ }
+
+ virtual void Generate();
+
+ private:
+ Register object_, index1_, index2_;
+};
+
+
+void DeferredSwapElements::Generate() {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::GenerateSwapElements(ZoneList<Expression*>* args) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::GenerateCallFunction(ZoneList<Expression*>* args) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::GenerateMathSin(ZoneList<Expression*>* args) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::GenerateMathCos(ZoneList<Expression*>* args) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::GenerateMathLog(ZoneList<Expression*>* args) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::GenerateObjectEquals(ZoneList<Expression*>* args) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::GenerateIsRegExpEquivalent(ZoneList<Expression*>* args) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::GenerateHasCachedArrayIndex(ZoneList<Expression*>* args) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::GenerateGetCachedArrayIndex(ZoneList<Expression*>* args) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::GenerateFastAsciiArrayJoin(ZoneList<Expression*>* args) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
void CodeGenerator::VisitCallRuntime(CallRuntime* node) {
UNIMPLEMENTED_MIPS();
}
@@ -957,11 +989,39 @@
}
+class DeferredCountOperation: public DeferredCode {
+ public:
+ DeferredCountOperation(Register value,
+ bool is_increment,
+ bool is_postfix,
+ int target_size)
+ : value_(value),
+ is_increment_(is_increment),
+ is_postfix_(is_postfix),
+ target_size_(target_size) {}
+
+ virtual void Generate() {
+ UNIMPLEMENTED_MIPS();
+ }
+
+ private:
+ Register value_;
+ bool is_increment_;
+ bool is_postfix_;
+ int target_size_;
+};
+
+
void CodeGenerator::VisitCountOperation(CountOperation* node) {
UNIMPLEMENTED_MIPS();
}
+void CodeGenerator::GenerateLogicalBooleanOperation(BinaryOperation* node) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
void CodeGenerator::VisitBinaryOperation(BinaryOperation* node) {
UNIMPLEMENTED_MIPS();
}
@@ -977,8 +1037,138 @@
}
+void CodeGenerator::VisitCompareToNull(CompareToNull* node) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+class DeferredReferenceGetNamedValue: public DeferredCode {
+ public:
+ explicit DeferredReferenceGetNamedValue(Register receiver,
+ Handle<String> name,
+ bool is_contextual)
+ : receiver_(receiver),
+ name_(name),
+ is_contextual_(is_contextual),
+ is_dont_delete_(false) {
+ set_comment(is_contextual
+ ? "[ DeferredReferenceGetNamedValue (contextual)"
+ : "[ DeferredReferenceGetNamedValue");
+ }
+
+ virtual void Generate();
+
+ void set_is_dont_delete(bool value) {
+ ASSERT(is_contextual_);
+ is_dont_delete_ = value;
+ }
+
+ private:
+ Register receiver_;
+ Handle<String> name_;
+ bool is_contextual_;
+ bool is_dont_delete_;
+};
+
+
+
+void DeferredReferenceGetNamedValue::Generate() {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+class DeferredReferenceGetKeyedValue: public DeferredCode {
+ public:
+ DeferredReferenceGetKeyedValue(Register key, Register receiver)
+ : key_(key), receiver_(receiver) {
+ set_comment("[ DeferredReferenceGetKeyedValue");
+ }
+
+ virtual void Generate();
+
+ private:
+ Register key_;
+ Register receiver_;
+};
+
+
+void DeferredReferenceGetKeyedValue::Generate() {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+class DeferredReferenceSetKeyedValue: public DeferredCode {
+ public:
+ DeferredReferenceSetKeyedValue(Register value,
+ Register key,
+ Register receiver)
+ : value_(value), key_(key), receiver_(receiver) {
+ set_comment("[ DeferredReferenceSetKeyedValue");
+ }
+
+ virtual void Generate();
+
+ private:
+ Register value_;
+ Register key_;
+ Register receiver_;
+};
+
+
+void DeferredReferenceSetKeyedValue::Generate() {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+class DeferredReferenceSetNamedValue: public DeferredCode {
+ public:
+ DeferredReferenceSetNamedValue(Register value,
+ Register receiver,
+ Handle<String> name)
+ : value_(value), receiver_(receiver), name_(name) {
+ set_comment("[ DeferredReferenceSetNamedValue");
+ }
+
+ virtual void Generate();
+
+ private:
+ Register value_;
+ Register receiver_;
+ Handle<String> name_;
+};
+
+
+void DeferredReferenceSetNamedValue::Generate() {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::EmitNamedLoad(Handle<String> name, bool is_contextual) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::EmitNamedStore(Handle<String> name, bool is_contextual) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::EmitKeyedLoad() {
+ UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::EmitKeyedStore(StaticType* key_type,
+ WriteBarrierCharacter wb_info) {
+ UNIMPLEMENTED_MIPS();
+}
+
+
#ifdef DEBUG
-bool CodeGenerator::HasValidEntryRegisters() { return true; }
+bool CodeGenerator::HasValidEntryRegisters() {
+ UNIMPLEMENTED_MIPS();
+ return false;
+}
#endif
@@ -986,447 +1176,33 @@
#define __ ACCESS_MASM(masm)
// -----------------------------------------------------------------------------
-// Reference support
-
-Reference::Reference(CodeGenerator* cgen,
- Expression* expression,
- bool persist_after_get)
- : cgen_(cgen),
- expression_(expression),
- type_(ILLEGAL),
- persist_after_get_(persist_after_get) {
- cgen->LoadReference(this);
-}
-
-
-Reference::~Reference() {
- ASSERT(is_unloaded() || is_illegal());
-}
+// Reference support.
Handle<String> Reference::GetName() {
- ASSERT(type_ == NAMED);
- Property* property = expression_->AsProperty();
- if (property == NULL) {
- // Global variable reference treated as a named property reference.
- VariableProxy* proxy = expression_->AsVariableProxy();
- ASSERT(proxy->AsVariable() != NULL);
- ASSERT(proxy->AsVariable()->is_global());
- return proxy->name();
- } else {
- Literal* raw_name = property->key()->AsLiteral();
- ASSERT(raw_name != NULL);
- return Handle<String>(String::cast(*raw_name->handle()));
- }
+ UNIMPLEMENTED_MIPS();
+ return Handle<String>();
+}
+
+
+void Reference::DupIfPersist() {
+ UNIMPLEMENTED_MIPS();
}
void Reference::GetValue() {
- ASSERT(cgen_->HasValidEntryRegisters());
- ASSERT(!is_illegal());
- ASSERT(!cgen_->has_cc());
- Property* property = expression_->AsProperty();
- if (property != NULL) {
- cgen_->CodeForSourcePosition(property->position());
- }
-
- switch (type_) {
- case SLOT: {
- UNIMPLEMENTED_MIPS();
- break;
- }
-
- case NAMED: {
- UNIMPLEMENTED_MIPS();
- break;
- }
-
- case KEYED: {
- UNIMPLEMENTED_MIPS();
- break;
- }
-
- default:
- UNREACHABLE();
- }
-}
-
-
-void Reference::SetValue(InitState init_state) {
- ASSERT(!is_illegal());
- ASSERT(!cgen_->has_cc());
- MacroAssembler* masm = cgen_->masm();
- Property* property = expression_->AsProperty();
- if (property != NULL) {
- cgen_->CodeForSourcePosition(property->position());
- }
-
- switch (type_) {
- case SLOT: {
- Comment cmnt(masm, "[ Store to Slot");
- Slot* slot = expression_->AsVariableProxy()->AsVariable()->slot();
- cgen_->StoreToSlot(slot, init_state);
- cgen_->UnloadReference(this);
- break;
- }
-
- case NAMED: {
- UNIMPLEMENTED_MIPS();
- break;
- }
-
- case KEYED: {
- UNIMPLEMENTED_MIPS();
- break;
- }
-
- default:
- UNREACHABLE();
- }
-}
-
-
-// On entry a0 and a1 are the things to be compared. On exit v0 is 0,
-// positive or negative to indicate the result of the comparison.
-void CompareStub::Generate(MacroAssembler* masm) {
UNIMPLEMENTED_MIPS();
- __ break_(0x765);
}
-Handle<Code> GetBinaryOpStub(int key, BinaryOpIC::TypeInfo type_info) {
+void Reference::SetValue(InitState init_state, WriteBarrierCharacter wb_info) {
UNIMPLEMENTED_MIPS();
- return Handle<Code>::null();
}
-void StackCheckStub::Generate(MacroAssembler* masm) {
+const char* GenericBinaryOpStub::GetName() {
UNIMPLEMENTED_MIPS();
- __ break_(0x790);
-}
-
-
-void CEntryStub::GenerateThrowTOS(MacroAssembler* masm) {
- UNIMPLEMENTED_MIPS();
- __ break_(0x808);
-}
-
-
-void CEntryStub::GenerateThrowUncatchable(MacroAssembler* masm,
- UncatchableExceptionType type) {
- UNIMPLEMENTED_MIPS();
- __ break_(0x815);
-}
-
-void CEntryStub::GenerateCore(MacroAssembler* masm,
- Label* throw_normal_exception,
- Label* throw_termination_exception,
- Label* throw_out_of_memory_exception,
- bool do_gc,
- bool always_allocate) {
- // s0: number of arguments including receiver (C callee-saved)
- // s1: pointer to the first argument (C callee-saved)
- // s2: pointer to builtin function (C callee-saved)
-
- if (do_gc) {
- UNIMPLEMENTED_MIPS();
- }
-
- ExternalReference scope_depth =
- ExternalReference::heap_always_allocate_scope_depth();
- if (always_allocate) {
- UNIMPLEMENTED_MIPS();
- }
-
- // Call C built-in.
- // a0 = argc, a1 = argv
- __ mov(a0, s0);
- __ mov(a1, s1);
-
- __ CallBuiltin(s2);
-
- if (always_allocate) {
- UNIMPLEMENTED_MIPS();
- }
-
- // Check for failure result.
- Label failure_returned;
- ASSERT(((kFailureTag + 1) & kFailureTagMask) == 0);
- __ addiu(a2, v0, 1);
- __ andi(t0, a2, kFailureTagMask);
- __ Branch(eq, &failure_returned, t0, Operand(zero_reg));
-
- // Exit C frame and return.
- // v0:v1: result
- // sp: stack pointer
- // fp: frame pointer
- __ LeaveExitFrame(mode_);
-
- // Check if we should retry or throw exception.
- Label retry;
- __ bind(&failure_returned);
- ASSERT(Failure::RETRY_AFTER_GC == 0);
- __ andi(t0, v0, ((1 << kFailureTypeTagSize) - 1) << kFailureTagSize);
- __ Branch(eq, &retry, t0, Operand(zero_reg));
-
- // Special handling of out of memory exceptions.
- Failure* out_of_memory = Failure::OutOfMemoryException();
- __ Branch(eq, throw_out_of_memory_exception,
- v0, Operand(reinterpret_cast<int32_t>(out_of_memory)));
-
- // Retrieve the pending exception and clear the variable.
- __ LoadExternalReference(t0, ExternalReference::the_hole_value_location());
- __ lw(a3, MemOperand(t0));
- __ LoadExternalReference(t0,
- ExternalReference(Top::k_pending_exception_address));
- __ lw(v0, MemOperand(t0));
- __ sw(a3, MemOperand(t0));
-
- // Special handling of termination exceptions which are uncatchable
- // by javascript code.
- __ Branch(eq, throw_termination_exception,
- v0, Operand(Factory::termination_exception()));
-
- // Handle normal exception.
- __ b(throw_normal_exception);
- __ nop(); // Branch delay slot nop.
-
- __ bind(&retry); // pass last failure (r0) as parameter (r0) when retrying
-}
-
-void CEntryStub::Generate(MacroAssembler* masm) {
- // Called from JavaScript; parameters are on stack as if calling JS function
- // a0: number of arguments including receiver
- // a1: pointer to builtin function
- // fp: frame pointer (restored after C call)
- // sp: stack pointer (restored as callee's sp after C call)
- // cp: current context (C callee-saved)
-
- // NOTE: Invocations of builtins may return failure objects
- // instead of a proper result. The builtin entry handles
- // this by performing a garbage collection and retrying the
- // builtin once.
-
- // Enter the exit frame that transitions from JavaScript to C++.
- __ EnterExitFrame(mode_, s0, s1, s2);
-
- // s0: number of arguments (C callee-saved)
- // s1: pointer to first argument (C callee-saved)
- // s2: pointer to builtin function (C callee-saved)
-
- Label throw_normal_exception;
- Label throw_termination_exception;
- Label throw_out_of_memory_exception;
-
- // Call into the runtime system.
- GenerateCore(masm,
- &throw_normal_exception,
- &throw_termination_exception,
- &throw_out_of_memory_exception,
- false,
- false);
-
- // Do space-specific GC and retry runtime call.
- GenerateCore(masm,
- &throw_normal_exception,
- &throw_termination_exception,
- &throw_out_of_memory_exception,
- true,
- false);
-
- // Do full GC and retry runtime call one final time.
- Failure* failure = Failure::InternalError();
- __ li(v0, Operand(reinterpret_cast<int32_t>(failure)));
- GenerateCore(masm,
- &throw_normal_exception,
- &throw_termination_exception,
- &throw_out_of_memory_exception,
- true,
- true);
-
- __ bind(&throw_out_of_memory_exception);
- GenerateThrowUncatchable(masm, OUT_OF_MEMORY);
-
- __ bind(&throw_termination_exception);
- GenerateThrowUncatchable(masm, TERMINATION);
-
- __ bind(&throw_normal_exception);
- GenerateThrowTOS(masm);
-}
-
-void JSEntryStub::GenerateBody(MacroAssembler* masm, bool is_construct) {
- Label invoke, exit;
-
- // Registers:
- // a0: entry address
- // a1: function
- // a2: reveiver
- // a3: argc
- //
- // Stack:
- // 4 args slots
- // args
-
- // Save callee saved registers on the stack.
- __ MultiPush((kCalleeSaved | ra.bit()) & ~sp.bit());
-
- // We build an EntryFrame.
- __ li(t3, Operand(-1)); // Push a bad frame pointer to fail if it is used.
- int marker = is_construct ? StackFrame::ENTRY_CONSTRUCT : StackFrame::ENTRY;
- __ li(t2, Operand(Smi::FromInt(marker)));
- __ li(t1, Operand(Smi::FromInt(marker)));
- __ LoadExternalReference(t0, ExternalReference(Top::k_c_entry_fp_address));
- __ lw(t0, MemOperand(t0));
- __ MultiPush(t0.bit() | t1.bit() | t2.bit() | t3.bit());
-
- // Setup frame pointer for the frame to be pushed.
- __ addiu(fp, sp, -EntryFrameConstants::kCallerFPOffset);
-
- // Load argv in s0 register.
- __ lw(s0, MemOperand(sp, (kNumCalleeSaved + 1) * kPointerSize +
- StandardFrameConstants::kCArgsSlotsSize));
-
- // Registers:
- // a0: entry_address
- // a1: function
- // a2: reveiver_pointer
- // a3: argc
- // s0: argv
- //
- // Stack:
- // caller fp |
- // function slot | entry frame
- // context slot |
- // bad fp (0xff...f) |
- // callee saved registers + ra
- // 4 args slots
- // args
-
- // Call a faked try-block that does the invoke.
- __ bal(&invoke);
- __ nop(); // Branch delay slot nop.
-
- // Caught exception: Store result (exception) in the pending
- // exception field in the JSEnv and return a failure sentinel.
- // Coming in here the fp will be invalid because the PushTryHandler below
- // sets it to 0 to signal the existence of the JSEntry frame.
- __ LoadExternalReference(t0,
- ExternalReference(Top::k_pending_exception_address));
- __ sw(v0, MemOperand(t0)); // We come back from 'invoke'. result is in v0.
- __ li(v0, Operand(reinterpret_cast<int32_t>(Failure::Exception())));
- __ b(&exit);
- __ nop(); // Branch delay slot nop.
-
- // Invoke: Link this frame into the handler chain.
- __ bind(&invoke);
- __ PushTryHandler(IN_JS_ENTRY, JS_ENTRY_HANDLER);
- // If an exception not caught by another handler occurs, this handler
- // returns control to the code after the bal(&invoke) above, which
- // restores all kCalleeSaved registers (including cp and fp) to their
- // saved values before returning a failure to C.
-
- // Clear any pending exceptions.
- __ LoadExternalReference(t0, ExternalReference::the_hole_value_location());
- __ lw(t1, MemOperand(t0));
- __ LoadExternalReference(t0,
- ExternalReference(Top::k_pending_exception_address));
- __ sw(t1, MemOperand(t0));
-
- // Invoke the function by calling through JS entry trampoline builtin.
- // Notice that we cannot store a reference to the trampoline code directly in
- // this stub, because runtime stubs are not traversed when doing GC.
-
- // Registers:
- // a0: entry_address
- // a1: function
- // a2: reveiver_pointer
- // a3: argc
- // s0: argv
- //
- // Stack:
- // handler frame
- // entry frame
- // callee saved registers + ra
- // 4 args slots
- // args
-
- if (is_construct) {
- ExternalReference construct_entry(Builtins::JSConstructEntryTrampoline);
- __ LoadExternalReference(t0, construct_entry);
- } else {
- ExternalReference entry(Builtins::JSEntryTrampoline);
- __ LoadExternalReference(t0, entry);
- }
- __ lw(t9, MemOperand(t0)); // deref address
-
- // Call JSEntryTrampoline.
- __ addiu(t9, t9, Code::kHeaderSize - kHeapObjectTag);
- __ CallBuiltin(t9);
-
- // Unlink this frame from the handler chain. When reading the
- // address of the next handler, there is no need to use the address
- // displacement since the current stack pointer (sp) points directly
- // to the stack handler.
- __ lw(t1, MemOperand(sp, StackHandlerConstants::kNextOffset));
- __ LoadExternalReference(t0, ExternalReference(Top::k_handler_address));
- __ sw(t1, MemOperand(t0));
-
- // This restores sp to its position before PushTryHandler.
- __ addiu(sp, sp, StackHandlerConstants::kSize);
-
- __ bind(&exit); // v0 holds result
- // Restore the top frame descriptors from the stack.
- __ Pop(t1);
- __ LoadExternalReference(t0, ExternalReference(Top::k_c_entry_fp_address));
- __ sw(t1, MemOperand(t0));
-
- // Reset the stack to the callee saved registers.
- __ addiu(sp, sp, -EntryFrameConstants::kCallerFPOffset);
-
- // Restore callee saved registers from the stack.
- __ MultiPop((kCalleeSaved | ra.bit()) & ~sp.bit());
- // Return.
- __ Jump(ra);
-}
-
-
-// This stub performs an instanceof, calling the builtin function if
-// necessary. Uses a1 for the object, a0 for the function that it may
-// be an instance of (these are fetched from the stack).
-void InstanceofStub::Generate(MacroAssembler* masm) {
- UNIMPLEMENTED_MIPS();
- __ break_(0x845);
-}
-
-
-void ArgumentsAccessStub::GenerateReadLength(MacroAssembler* masm) {
- UNIMPLEMENTED_MIPS();
- __ break_(0x851);
-}
-
-
-void ArgumentsAccessStub::GenerateReadElement(MacroAssembler* masm) {
- UNIMPLEMENTED_MIPS();
- __ break_(0x857);
-}
-
-
-void ArgumentsAccessStub::GenerateNewObject(MacroAssembler* masm) {
- UNIMPLEMENTED_MIPS();
- __ break_(0x863);
-}
-
-
-const char* CompareStub::GetName() {
- UNIMPLEMENTED_MIPS();
- return NULL; // UNIMPLEMENTED RETURN
-}
-
-
-int CompareStub::MinorKey() {
- // Encode the two parameters in a unique 16 bit value.
- ASSERT(static_cast<unsigned>(cc_) >> 28 < (1 << 15));
- return (static_cast<unsigned>(cc_) >> 27) | (strict_ ? 1 : 0);
+ return name_;
}