X64: JSEntry Stub

src/x64/assembler-x64.cc

 // Copyright 2009 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
@@ skipping 468 matching lines @@
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   // Opcode: FF /2 r64
   if (adr.code() > 7) {
     emit_rex_64(adr);
   }
   emit(0xFF);
   emit_modrm(0x2, adr);
 }
 
-
 void Assembler::cpuid() {
   ASSERT(CpuFeatures::IsEnabled(CpuFeatures::CPUID));
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   emit(0x0F);
   emit(0xA2);
 }
 
 
+void Assembler::call(const Operand& op) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  // Opcode: FF /2 m64
+  emit_rex_64(op);
+  emit(0xFF);
+  emit_operand(2, op);
+}
+
+
 void Assembler::cqo() {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   emit_rex_64();
   emit(0x99);
 }
 
 
 void Assembler::dec(Register dst) {
   EnsureSpace ensure_space(this);
@@ skipping 170 matching lines @@
 
 void Assembler::lea(Register dst, const Operand& src) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   emit_rex_64(dst, src);
   emit(0x8D);
   emit_operand(dst, src);
 }
 
 
+void Assembler::load_rax(void* value, RelocInfo::Mode mode) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0x48);  // REX.W
+  emit(0xA1);
+  emitq(reinterpret_cast<uintptr_t>(value), mode);
+}
+
+
+void Assembler::load_rax(ExternalReference ref) {
+  load_rax(ref.address(), RelocInfo::EXTERNAL_REFERENCE);
+}
+
+
 void Assembler::leave() {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   emit(0xC9);
 }
 
 
 void Assembler::movb(Register dst, const Operand& src) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
@@ skipping 77 matching lines @@
 void Assembler::movq(Register dst, Immediate value) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   emit_rex_64(dst);
   emit(0xC7);
   emit_modrm(0x0, dst);
   emit(value);  // Only 32-bit immediates are possible, not 8-bit immediates.
 }
 
 
+void Assembler::movq(const Operand& dst, Register src) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_rex_64(src, dst);
+  emit(0x89);
+  emit_operand(src, dst);
+}
+
+
+void Assembler::movq(Register dst, void* value, RelocInfo::Mode rmode) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_rex_64(dst);
+  emit(0xB8 | (dst.code() & 0x7));
+  emitq(reinterpret_cast<uintptr_t>(value), rmode);
+}
+
+
 void Assembler::movq(Register dst, int64_t value, RelocInfo::Mode rmode) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   emit_rex_64(dst);
   emit(0xB8 | (dst.code() & 0x7));  // Not a ModR/M byte.
   emitq(value, rmode);
 }
 
 
-void Assembler::movq(const Operand& dst, Register src) {
+void Assembler::movq(Register dst, ExternalReference ref) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
-  emit_rex_64(src, dst);
-  emit(0x89);
-  emit_operand(src, dst);
+  emit_rex_64(dst);
+  emit(0xB8 | (dst.code() & 0x7));
+  emitq(reinterpret_cast<uintptr_t>(ref.address()),
+        RelocInfo::EXTERNAL_REFERENCE);
 }
 
 
 void Assembler::mul(Register src) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   emit_rex_64(src);
   emit(0xF7);
   emit_modrm(0x4, src);
 }
@@ skipping 253 matching lines @@
     emit_rex_64(other);
     emit(0x90 | (other.code() & 0x7));
   } else {
     emit_rex_64(src, dst);
     emit(0x87);
     emit_modrm(src, dst);
   }
 }
 
 
+void Assembler::store_rax(void* dst, RelocInfo::Mode mode) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0x48);  // REX.W
+  emit(0xA3);
+  emitq(reinterpret_cast<uintptr_t>(dst), mode);
+}
+
+
+void Assembler::store_rax(ExternalReference ref) {
+  store_rax(ref.address(), RelocInfo::EXTERNAL_REFERENCE);
+}
+
+
 void Assembler::testb(Register reg, Immediate mask) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   if (reg.is(rax)) {
     emit(0xA8);
     emit(mask);
   } else {
     if (reg.code() > 3) {
       // Register is not one of al, bl, cl, dl.  Its encoding needs REX.
       emit_rex_32(reg);
@@ skipping 398 matching lines @@
   UNIMPLEMENTED();
   return NULL;
 }
 
 byte* JavaScriptFrame::GetCallerStackPointer() const {
   UNIMPLEMENTED();
   return NULL;
 }
 
 } }  // namespace v8::internal