src/os_cpu/bsd_x86/vm/bsd_x86_64.ad

rev 2698 : new bsd files

*** 20,30 ****
  // or visit www.oracle.com if you need additional information or have any
  // questions.
  //
  //
  
! // AMD64 Linux Architecture Description File
  
  //----------OS-DEPENDENT ENCODING BLOCK----------------------------------------
  // This block specifies the encoding classes used by the compiler to
  // output byte streams.  Encoding classes generate functions which are
  // called by Machine Instruction Nodes in order to generate the bit
--- 20,30 ----
  // or visit www.oracle.com if you need additional information or have any
  // questions.
  //
  //
  
! // AMD64 Bsd Architecture Description File
  
  //----------OS-DEPENDENT ENCODING BLOCK----------------------------------------
  // This block specifies the encoding classes used by the compiler to
  // output byte streams.  Encoding classes generate functions which are
  // called by Machine Instruction Nodes in order to generate the bit
*** 68,78 ****
      emit_opcode(cbuf, Assembler::REX_B);
      emit_opcode(cbuf, 0xFF);
      emit_opcode(cbuf, 0xD0 | (R10_enc - 8));
    %}
  
!   enc_class linux_breakpoint
    %{
      MacroAssembler* masm = new MacroAssembler(&cbuf);
      masm->call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint)));
    %}
  
--- 68,78 ----
      emit_opcode(cbuf, Assembler::REX_B);
      emit_opcode(cbuf, 0xFF);
      emit_opcode(cbuf, 0xD0 | (R10_enc - 8));
    %}
  
!   enc_class bsd_breakpoint
    %{
      MacroAssembler* masm = new MacroAssembler(&cbuf);
      masm->call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint)));
    %}
  
*** 139,149 ****
    // Use the following format syntax
    format %{ "int3\t# ShouldNotReachHere" %}
    // QQQ TODO for now call breakpoint
    // opcode(0xCC);
    // ins_encode(Opc);
!   ins_encode(linux_breakpoint);
    ins_pipe(pipe_slow);
  %}
  
  
  // Platform dependent source
--- 139,149 ----
    // Use the following format syntax
    format %{ "int3\t# ShouldNotReachHere" %}
    // QQQ TODO for now call breakpoint
    // opcode(0xCC);
    // ins_encode(Opc);
!   ins_encode(bsd_breakpoint);
    ins_pipe(pipe_slow);
  %}
  
  
  // Platform dependent source
*** 165,174 ****
  void MachBreakpointNode::emit(CodeBuffer& cbuf, PhaseRegAlloc* ra_) const {
    emit_break(cbuf);
  }
  
  uint MachBreakpointNode::size(PhaseRegAlloc* ra_) const {
!   // distance could be far and requires load and call through register
!   return MachNode::size(ra_);
  }
  
  %}
--- 165,173 ----
  void MachBreakpointNode::emit(CodeBuffer& cbuf, PhaseRegAlloc* ra_) const {
    emit_break(cbuf);
  }
  
  uint MachBreakpointNode::size(PhaseRegAlloc* ra_) const {
!   return 5;
  }
  
  %}