X87: Assembler support for internal references.

src/x87/disasm-x87.cc

 // Copyright 2011 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 <assert.h>
 #include <stdarg.h>
 #include <stdio.h>
 
 #include "src/v8.h"
 
@@ skipping 875 matching lines @@
     AppendToBuffer("%s", mnem);
   }
   return 2;
 }
 
 
 // Mnemonics for instructions 0xF0 byte.
 // Returns NULL if the instruction is not handled here.
 static const char* F0Mnem(byte f0byte) {
   switch (f0byte) {
+    case 0x0B:
+      return "ud2";
     case 0x18: return "prefetch";
     case 0xA2: return "cpuid";
     case 0xBE: return "movsx_b";
     case 0xBF: return "movsx_w";
     case 0xB6: return "movzx_b";
     case 0xB7: return "movzx_w";
     case 0xAF: return "imul";
     case 0xA5: return "shld";
     case 0xAD: return "shrd";
     case 0xAC: return "shrd";  // 3-operand version.
@@ skipping 144 matching lines @@
             data += 5;
           } else if (f0byte == 0x1F && data[2] == 0x80 && data[3] == 0 &&
                      data[4] == 0 && data[5] == 0 && data[6] == 0) {
             AppendToBuffer("nop");  // 7 byte nop.
             data += 7;
           } else if (f0byte == 0x1F && data[2] == 0x84 && data[3] == 0 &&
                      data[4] == 0 && data[5] == 0 && data[6] == 0 &&
                      data[7] == 0) {
             AppendToBuffer("nop");  // 8 byte nop.
             data += 8;
-          } else if (f0byte == 0xA2 || f0byte == 0x31) {
+          } else if (f0byte == 0x0B || f0byte == 0xA2 || f0byte == 0x31) {
             AppendToBuffer("%s", f0mnem);
             data += 2;
           } else if (f0byte == 0x28) {
             data += 2;
             int mod, regop, rm;
             get_modrm(*data, &mod, &regop, &rm);
             AppendToBuffer("movaps %s,%s",
                            NameOfXMMRegister(regop),
                            NameOfXMMRegister(rm));
             data++;
@@ skipping 716 matching lines @@
       fprintf(f, "  ");
     }
     fprintf(f, "  %s\n", buffer.start());
   }
 }
 
 
 }  // namespace disasm
 
 #endif  // V8_TARGET_ARCH_X87