Embedded constant pools.

src/arm64/assembler-arm64.h

 // 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.
 
 #ifndef V8_ARM64_ASSEMBLER_ARM64_H_
 #define V8_ARM64_ASSEMBLER_ARM64_H_
 
 #include <deque>
 #include <list>
 #include <map>
@@ skipping 853 matching lines @@
   // RelocInfo and pools ------------------------------------------------------
 
   // Record relocation information for current pc_.
   void RecordRelocInfo(RelocInfo::Mode rmode, intptr_t data = 0);
 
   // Return the address in the constant pool of the code target address used by
   // the branch/call instruction at pc.
   inline static Address target_pointer_address_at(Address pc);
 
   // Read/Modify the code target address in the branch/call instruction at pc.
-  inline static Address target_address_at(Address pc,
-                                          ConstantPoolArray* constant_pool);
-  inline static void set_target_address_at(Address pc,
-                                           ConstantPoolArray* constant_pool,
-                                           Address target,
-                                           ICacheFlushMode icache_flush_mode =
-                                               FLUSH_ICACHE_IF_NEEDED);
+  inline static Address target_address_at(Address pc, Address constant_pool);
+  inline static void set_target_address_at(
+      Address pc, Address constant_pool, Address target,
+      ICacheFlushMode icache_flush_mode = FLUSH_ICACHE_IF_NEEDED);
   static inline Address target_address_at(Address pc, Code* code);
   static inline void set_target_address_at(Address pc,
                                            Code* code,
                                            Address target,
                                            ICacheFlushMode icache_flush_mode =
                                                FLUSH_ICACHE_IF_NEEDED);
 
   // Return the code target address at a call site from the return address of
   // that call in the instruction stream.
   inline static Address target_address_from_return_address(Address pc);
@@ skipping 869 matching lines @@
   void EmitStringData(const char* string);
 
   // Pseudo-instructions ------------------------------------------------------
 
   // Parameters are described in arm64/instructions-arm64.h.
   void debug(const char* message, uint32_t code, Instr params = BREAK);
 
   // Required by V8.
   void dd(uint32_t data) { dc32(data); }
   void db(uint8_t data) { dc8(data); }
+  void dq(uint64_t data) { dc64(data); }
+  void dp(uintptr_t data) { dc64(data); }
 
   // Code generation helpers --------------------------------------------------
 
   bool IsConstPoolEmpty() const { return constpool_.IsEmpty(); }
 
   Instruction* pc() const { return Instruction::Cast(pc_); }
 
   Instruction* InstructionAt(ptrdiff_t offset) const {
     return reinterpret_cast<Instruction*>(buffer_ + offset);
   }
@@ skipping 122 matching lines @@
 
    private:
     Assembler* assem_;
 
     DISALLOW_IMPLICIT_CONSTRUCTORS(BlockConstPoolScope);
   };
 
   // Check if is time to emit a constant pool.
   void CheckConstPool(bool force_emit, bool require_jump);
 
-  // Allocate a constant pool of the correct size for the generated code.
-  Handle<ConstantPoolArray> NewConstantPool(Isolate* isolate);
-
-  // Generate the constant pool for the generated code.
-  void PopulateConstantPool(ConstantPoolArray* constant_pool);
+  void PatchConstantPoolAccessInstruction(int pc_offset, int offset,
+                                          ConstantPoolEntry::Access access,
+                                          ConstantPoolEntry::Type type) {
+    // No embedded constant pool support.
+    UNREACHABLE();
+  }
 
   // Returns true if we should emit a veneer as soon as possible for a branch
   // which can at most reach to specified pc.
   bool ShouldEmitVeneer(int max_reachable_pc,
                         int margin = kVeneerDistanceMargin);
   bool ShouldEmitVeneers(int margin = kVeneerDistanceMargin) {
     return ShouldEmitVeneer(unresolved_branches_first_limit(), margin);
   }
 
   // The maximum code size generated for a veneer. Currently one branch
@@ skipping 393 matching lines @@
 class EnsureSpace BASE_EMBEDDED {
  public:
   explicit EnsureSpace(Assembler* assembler) {
     assembler->CheckBufferSpace();
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM64_ASSEMBLER_ARM64_H_