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src/hotspot/cpu/x86/disassembler_x86.hpp

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rev 54883 : 8213084: Rework and enhance Print[Opto]Assembly output
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  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef CPU_X86_DISASSEMBLER_X86_HPP
  26 #define CPU_X86_DISASSEMBLER_X86_HPP
  27 
  28   static int pd_instruction_alignment() {
  29     return 1;
  30   }
  31 
  32   static const char* pd_cpu_opts() {
  33     return "";
  34   }
  35 





















  36 #endif // CPU_X86_DISASSEMBLER_X86_HPP


  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef CPU_X86_DISASSEMBLER_X86_HPP
  26 #define CPU_X86_DISASSEMBLER_X86_HPP
  27 
  28   static int pd_instruction_alignment() {
  29     return 1;
  30   }
  31 
  32   static const char* pd_cpu_opts() {
  33     return "";
  34   }
  35 
  36   // Returns address of n-th instruction preceding addr,
  37   // NULL if no preceding instruction can be found.
  38   // On CISC architectures, it is difficult to impossible to step
  39   // backwards in the instruction stream. Therefore just return NULL.
  40   // It might be beneficial to check "is_readable" as we do on ppc and s390.
  41   static address find_prev_instr(address addr, int n_instr) {
  42     return NULL;
  43   }
  44 
  45   // special-case instruction decoding.
  46   // There may be cases where the binutils disassembler doesn't do
  47   // the perfect job. In those cases, decode_instruction0 may kick in
  48   // and do it right.
  49   // If nothing had to be done, just return "here", otherwise return "here + instr_len(here)"
  50   static address decode_instruction0(address here, outputStream* st, address virtual_begin = NULL) {
  51     return here;
  52   }
  53 
  54   // platform-specific instruction annotations (like value of loaded constants)
  55   static void annotate(address pc, outputStream* st) { };
  56 
  57 #endif // CPU_X86_DISASSEMBLER_X86_HPP
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