Disentangle assembler from isolate.

src/ia32/assembler-ia32.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 189 matching lines @@
   DCHECK(IsWasmMemorySizeReference(rmode_));
   return Memory::uint32_at(pc_);
 }
 
 uint32_t RelocInfo::wasm_function_table_size_reference() {
   DCHECK(IsWasmFunctionTableSizeReference(rmode_));
   return Memory::uint32_at(pc_);
 }
 
 void RelocInfo::unchecked_update_wasm_memory_reference(
-    Address address, ICacheFlushMode icache_flush_mode) {
+    Isolate* isolate, Address address, ICacheFlushMode icache_flush_mode) {
   Memory::Address_at(pc_) = address;
   if (icache_flush_mode != SKIP_ICACHE_FLUSH) {
-    Assembler::FlushICache(isolate_, pc_, sizeof(Address));
+    Assembler::FlushICache(isolate, pc_, sizeof(Address));
   }
 }
 
-void RelocInfo::unchecked_update_wasm_size(uint32_t size,
+void RelocInfo::unchecked_update_wasm_size(Isolate* isolate, uint32_t size,
                                            ICacheFlushMode icache_flush_mode) {
   Memory::uint32_at(pc_) = size;
   if (icache_flush_mode != SKIP_ICACHE_FLUSH) {
-    Assembler::FlushICache(isolate_, pc_, sizeof(uint32_t));
+    Assembler::FlushICache(isolate, pc_, sizeof(uint32_t));
   }
 }
 
 // -----------------------------------------------------------------------------
 // Implementation of Operand
 
 Operand::Operand(Register base, int32_t disp, RelocInfo::Mode rmode) {
   // [base + disp/r]
   if (disp == 0 && RelocInfo::IsNone(rmode) && !base.is(ebp)) {
     // [base]
@@ skipping 67 matching lines @@
 }
 
 
 // -----------------------------------------------------------------------------
 // Implementation of Assembler.
 
 // Emit a single byte. Must always be inlined.
 #define EMIT(x)                                 \
   *pc_++ = (x)
 
-Assembler::Assembler(Isolate* isolate, void* buffer, int buffer_size)
-    : AssemblerBase(isolate, buffer, buffer_size) {
+Assembler::Assembler(IsolateData isolate_data, void* buffer, int buffer_size)
+    : AssemblerBase(isolate_data, buffer, buffer_size) {
 // Clear the buffer in debug mode unless it was provided by the
 // caller in which case we can't be sure it's okay to overwrite
 // existing code in it; see CodePatcher::CodePatcher(...).
 #ifdef DEBUG
   if (own_buffer_) {
     memset(buffer_, 0xCC, buffer_size_);  // int3
   }
 #endif
 
   reloc_info_writer.Reposition(buffer_ + buffer_size_, pc_);
@@ skipping 2645 matching lines @@
   if (!own_buffer_) FATAL("external code buffer is too small");
 
   // Compute new buffer size.
   CodeDesc desc;  // the new buffer
   desc.buffer_size = 2 * buffer_size_;
 
   // Some internal data structures overflow for very large buffers,
   // they must ensure that kMaximalBufferSize is not too large.
   if (desc.buffer_size > kMaximalBufferSize ||
       static_cast<size_t>(desc.buffer_size) >
-          isolate()->heap()->MaxOldGenerationSize()) {
+          isolate_data().max_old_generation_size_) {
     V8::FatalProcessOutOfMemory("Assembler::GrowBuffer");
   }
 
   // Set up new buffer.
   desc.buffer = NewArray<byte>(desc.buffer_size);
   desc.origin = this;
   desc.instr_size = pc_offset();
   desc.reloc_size = (buffer_ + buffer_size_) - (reloc_info_writer.pos());
 
   // Clear the buffer in debug mode. Use 'int3' instructions to make
@@ skipping 122 matching lines @@
 }
 
 
 void Assembler::RecordRelocInfo(RelocInfo::Mode rmode, intptr_t data) {
   DCHECK(!RelocInfo::IsNone(rmode));
   // Don't record external references unless the heap will be serialized.
   if (rmode == RelocInfo::EXTERNAL_REFERENCE &&
       !serializer_enabled() && !emit_debug_code()) {
     return;
   }
-  RelocInfo rinfo(isolate(), pc_, rmode, data, NULL);
+  RelocInfo rinfo(pc_, rmode, data, NULL);
   reloc_info_writer.Write(&rinfo);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_IA32