Add support for Embedded Constant Pools for PPC and Arm

src/deoptimizer.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
 #include "src/codegen.h"
 #include "src/cpu-profiler.h"
 #include "src/deoptimizer.h"
@@ skipping 974 matching lines @@
   if (is_topmost) output_frame->SetRegister(fp_reg.code(), fp_value);
   if (trace_scope_ != NULL) {
     PrintF(trace_scope_->file(),
            "    0x%08" V8PRIxPTR ": [top + %d] <- 0x%08"
            V8PRIxPTR " ; caller's fp\n",
            fp_value, output_offset, value);
   }
   DCHECK(!is_bottommost || !has_alignment_padding_ ||
          (fp_value & kPointerSize) != 0);
 
-  if (FLAG_enable_ool_constant_pool) {
+  if (FLAG_enable_embedded_constant_pool) {
     // For the bottommost output frame the constant pool pointer can be gotten
     // from the input frame. For subsequent output frames, it can be read from
     // the previous frame.
     output_offset -= kPointerSize;
     input_offset -= kPointerSize;
     if (is_bottommost) {
       value = input_->GetFrameSlot(input_offset);
     } else {
       value = output_[frame_index - 1]->GetConstantPool();
     }
@@ skipping 64 matching lines @@
   Code* non_optimized_code = function->shared()->code();
   FixedArray* raw_data = non_optimized_code->deoptimization_data();
   DeoptimizationOutputData* data = DeoptimizationOutputData::cast(raw_data);
   Address start = non_optimized_code->instruction_start();
   unsigned pc_and_state = GetOutputInfo(data, node_id, function->shared());
   unsigned pc_offset = FullCodeGenerator::PcField::decode(pc_and_state);
   intptr_t pc_value = reinterpret_cast<intptr_t>(start + pc_offset);
   output_frame->SetPc(pc_value);
 
   // Update constant pool.
-  if (FLAG_enable_ool_constant_pool) {
+  if (FLAG_enable_embedded_constant_pool) {
     intptr_t constant_pool_value =
         reinterpret_cast<intptr_t>(non_optimized_code->constant_pool());
     output_frame->SetConstantPool(constant_pool_value);
     if (is_topmost) {
       Register constant_pool_reg =
           JavaScriptFrame::constant_pool_pointer_register();
       output_frame->SetRegister(constant_pool_reg.code(), constant_pool_value);
     }
   }
 
@@ skipping 72 matching lines @@
   output_frame->SetCallerFp(output_offset, value);
   intptr_t fp_value = top_address + output_offset;
   output_frame->SetFp(fp_value);
   if (trace_scope_ != NULL) {
     PrintF(trace_scope_->file(),
            "    0x%08" V8PRIxPTR ": [top + %d] <- 0x%08"
            V8PRIxPTR " ; caller's fp\n",
            fp_value, output_offset, value);
   }
 
-  if (FLAG_enable_ool_constant_pool) {
+  if (FLAG_enable_embedded_constant_pool) {
     // Read the caller's constant pool from the previous frame.
     output_offset -= kPointerSize;
     value = output_[frame_index - 1]->GetConstantPool();
     output_frame->SetCallerConstantPool(output_offset, value);
     if (trace_scope_) {
       PrintF("    0x%08" V8PRIxPTR ": [top + %d] <- 0x%08"
              V8PRIxPTR "; caller's constant_pool\n",
              top_address + output_offset, output_offset, value);
     }
   }
@@ skipping 34 matching lines @@
 
   DCHECK(0 == output_offset);
 
   Builtins* builtins = isolate_->builtins();
   Code* adaptor_trampoline =
       builtins->builtin(Builtins::kArgumentsAdaptorTrampoline);
   intptr_t pc_value = reinterpret_cast<intptr_t>(
       adaptor_trampoline->instruction_start() +
       isolate_->heap()->arguments_adaptor_deopt_pc_offset()->value());
   output_frame->SetPc(pc_value);
-  if (FLAG_enable_ool_constant_pool) {
+  if (FLAG_enable_embedded_constant_pool) {
     intptr_t constant_pool_value =
         reinterpret_cast<intptr_t>(adaptor_trampoline->constant_pool());
     output_frame->SetConstantPool(constant_pool_value);
   }
 }
 
 
 void Deoptimizer::DoComputeConstructStubFrame(TranslationIterator* iterator,
                                               int frame_index) {
   Builtins* builtins = isolate_->builtins();
@@ skipping 58 matching lines @@
   output_frame->SetCallerFp(output_offset, value);
   intptr_t fp_value = top_address + output_offset;
   output_frame->SetFp(fp_value);
   if (trace_scope_ != NULL) {
     PrintF(trace_scope_->file(),
            "    0x%08" V8PRIxPTR ": [top + %d] <- 0x%08"
            V8PRIxPTR " ; caller's fp\n",
            fp_value, output_offset, value);
   }
 
-  if (FLAG_enable_ool_constant_pool) {
+  if (FLAG_enable_embedded_constant_pool) {
     // Read the caller's constant pool from the previous frame.
     output_offset -= kPointerSize;
     value = output_[frame_index - 1]->GetConstantPool();
     output_frame->SetCallerConstantPool(output_offset, value);
     if (trace_scope_) {
       PrintF("    0x%08" V8PRIxPTR ": [top + %d] <- 0x%08"
              V8PRIxPTR " ; caller's constant pool\n",
              top_address + output_offset, output_offset, value);
     }
   }
@@ skipping 67 matching lines @@
            V8PRIxPTR " ; allocated receiver\n",
            top_address + output_offset, output_offset, value);
   }
 
   CHECK_EQ(0u, output_offset);
 
   intptr_t pc = reinterpret_cast<intptr_t>(
       construct_stub->instruction_start() +
       isolate_->heap()->construct_stub_deopt_pc_offset()->value());
   output_frame->SetPc(pc);
-  if (FLAG_enable_ool_constant_pool) {
+  if (FLAG_enable_embedded_constant_pool) {
     intptr_t constant_pool_value =
         reinterpret_cast<intptr_t>(construct_stub->constant_pool());
     output_frame->SetConstantPool(constant_pool_value);
   }
 }
 
 
 void Deoptimizer::DoComputeAccessorStubFrame(TranslationIterator* iterator,
                                              int frame_index,
                                              bool is_setter_stub_frame) {
   JSFunction* accessor = JSFunction::cast(ComputeLiteral(iterator->Next()));
   // The receiver (and the implicit return value, if any) are expected in
   // registers by the LoadIC/StoreIC, so they don't belong to the output stack
   // frame. This means that we have to use a height of 0.
   unsigned height = 0;
   unsigned height_in_bytes = height * kPointerSize;
   const char* kind = is_setter_stub_frame ? "setter" : "getter";
   if (trace_scope_ != NULL) {
     PrintF(trace_scope_->file(),
            "  translating %s stub => height=%u\n", kind, height_in_bytes);
   }
 
   // We need 1 stack entry for the return address and enough entries for the
   // StackFrame::INTERNAL (FP, context, frame type, code object and constant
-  // pool (if FLAG_enable_ool_constant_pool)- see MacroAssembler::EnterFrame).
+  // pool (if enabled)- see MacroAssembler::EnterFrame).
   // For a setter stub frame we need one additional entry for the implicit
   // return value, see StoreStubCompiler::CompileStoreViaSetter.
   unsigned fixed_frame_entries =
       (StandardFrameConstants::kFixedFrameSize / kPointerSize) + 1 +
       (is_setter_stub_frame ? 1 : 0);
   unsigned fixed_frame_size = fixed_frame_entries * kPointerSize;
   unsigned output_frame_size = height_in_bytes + fixed_frame_size;
 
   // Allocate and store the output frame description.
   FrameDescription* output_frame =
@@ skipping 29 matching lines @@
   output_frame->SetCallerFp(output_offset, value);
   intptr_t fp_value = top_address + output_offset;
   output_frame->SetFp(fp_value);
   if (trace_scope_ != NULL) {
     PrintF(trace_scope_->file(),
            "    0x%08" V8PRIxPTR ": [top + %u] <- 0x%08" V8PRIxPTR
            " ; caller's fp\n",
            fp_value, output_offset, value);
   }
 
-  if (FLAG_enable_ool_constant_pool) {
+  if (FLAG_enable_embedded_constant_pool) {
     // Read the caller's constant pool from the previous frame.
     output_offset -= kPointerSize;
     value = output_[frame_index - 1]->GetConstantPool();
     output_frame->SetCallerConstantPool(output_offset, value);
     if (trace_scope_) {
       PrintF("    0x%08" V8PRIxPTR ": [top + %d] <- 0x%08"
              V8PRIxPTR " ; caller's constant pool\n",
              top_address + output_offset, output_offset, value);
     }
   }
@@ skipping 46 matching lines @@
   }
 
   CHECK_EQ(0u, output_offset);
 
   Smi* offset = is_setter_stub_frame ?
       isolate_->heap()->setter_stub_deopt_pc_offset() :
       isolate_->heap()->getter_stub_deopt_pc_offset();
   intptr_t pc = reinterpret_cast<intptr_t>(
       accessor_stub->instruction_start() + offset->value());
   output_frame->SetPc(pc);
-  if (FLAG_enable_ool_constant_pool) {
+  if (FLAG_enable_embedded_constant_pool) {
     intptr_t constant_pool_value =
         reinterpret_cast<intptr_t>(accessor_stub->constant_pool());
     output_frame->SetConstantPool(constant_pool_value);
   }
 }
 
 
 void Deoptimizer::DoComputeCompiledStubFrame(TranslationIterator* iterator,
                                              int frame_index) {
   //
@@ skipping 86 matching lines @@
   intptr_t frame_ptr = input_->GetRegister(fp_reg.code());
   output_frame->SetRegister(fp_reg.code(), frame_ptr);
   output_frame->SetFp(frame_ptr);
   if (trace_scope_ != NULL) {
     PrintF(trace_scope_->file(),
            "    0x%08" V8PRIxPTR ": [top + %d] <- 0x%08"
            V8PRIxPTR " ; caller's fp\n",
            top_address + output_frame_offset, output_frame_offset, value);
   }
 
-  if (FLAG_enable_ool_constant_pool) {
+  if (FLAG_enable_embedded_constant_pool) {
     // Read the caller's constant pool from the input frame.
     input_frame_offset -= kPointerSize;
     value = input_->GetFrameSlot(input_frame_offset);
     output_frame_offset -= kPointerSize;
     output_frame->SetCallerConstantPool(output_frame_offset, value);
     if (trace_scope_) {
       PrintF("    0x%08" V8PRIxPTR ": [top + %d] <- 0x%08"
              V8PRIxPTR " ; caller's constant_pool\n",
              top_address + output_frame_offset, output_frame_offset, value);
     }
@@ skipping 121 matching lines @@
   SetPlatformCompiledStubRegisters(output_frame, &descriptor);
 
   // Compute this frame's PC, state, and continuation.
   Code* trampoline = NULL;
   StubFunctionMode function_mode = descriptor.function_mode();
   StubFailureTrampolineStub(isolate_,
                             function_mode).FindCodeInCache(&trampoline);
   DCHECK(trampoline != NULL);
   output_frame->SetPc(reinterpret_cast<intptr_t>(
       trampoline->instruction_start()));
-  if (FLAG_enable_ool_constant_pool) {
+  if (FLAG_enable_embedded_constant_pool) {
     Register constant_pool_reg =
         StubFailureTrampolineFrame::constant_pool_pointer_register();
     intptr_t constant_pool_value =
         reinterpret_cast<intptr_t>(trampoline->constant_pool());
     output_frame->SetConstantPool(constant_pool_value);
     output_frame->SetRegister(constant_pool_reg.code(), constant_pool_value);
   }
   output_frame->SetState(Smi::FromInt(FullCodeGenerator::NO_REGISTERS));
   Code* notify_failure =
       isolate_->builtins()->builtin(Builtins::kNotifyStubFailureSaveDoubles);
@@ skipping 2045 matching lines @@
       last_position = raw_position ? SourcePosition::FromRaw(raw_position)
                                    : SourcePosition::Unknown();
     } else if (info->rmode() == RelocInfo::DEOPT_REASON) {
       last_reason = static_cast<Deoptimizer::DeoptReason>(info->data());
     }
   }
   return DeoptInfo(SourcePosition::Unknown(), NULL, Deoptimizer::kNoReason);
 }
 }  // namespace internal
 }  // namespace v8