decode.c

这个是LINUX下的GDB调度工具的源码

              }
            }
          case 5 :
            {
              unsigned int val = (((insn >> 6) & (15 << 0)));
              switch (val)
              {
              case 0 : itype = I960BASE_INSN_SHRO2; goto extract_sfmt_shlo2;
              case 6 : itype = I960BASE_INSN_SHRI2; goto extract_sfmt_shlo2;
              case 8 : itype = I960BASE_INSN_SHLO2; goto extract_sfmt_shlo2;
              case 12 : itype = I960BASE_INSN_SHLI2; goto extract_sfmt_shlo2;
              default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
              }
            }
          case 6 :
            {
              unsigned int val = (((insn >> 6) & (15 << 0)));
              switch (val)
              {
              case 0 : itype = I960BASE_INSN_ADDO3; goto extract_sfmt_mulo3;
              case 4 : itype = I960BASE_INSN_SUBO3; goto extract_sfmt_mulo3;
              default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
              }
            }
          case 7 :
            {
              unsigned int val = (((insn >> 6) & (15 << 0)));
              switch (val)
              {
              case 0 : itype = I960BASE_INSN_SHRO3; goto extract_sfmt_shlo3;
              case 6 : itype = I960BASE_INSN_SHRI3; goto extract_sfmt_shlo3;
              case 8 : itype = I960BASE_INSN_SHLO3; goto extract_sfmt_shlo3;
              case 12 : itype = I960BASE_INSN_SHLI3; goto extract_sfmt_shlo3;
              default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
              }
            }
          default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 90 :
        {
          unsigned int val = (((insn >> 10) & (15 << 0)));
          switch (val)
          {
          case 8 :
            {
              unsigned int val = (((insn >> 6) & (15 << 0)));
              switch (val)
              {
              case 0 : itype = I960BASE_INSN_CMPO; goto extract_sfmt_cmpo;
              case 2 : itype = I960BASE_INSN_CMPI; goto extract_sfmt_cmpi;
              default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
              }
            }
          case 10 :
            {
              unsigned int val = (((insn >> 6) & (15 << 0)));
              switch (val)
              {
              case 0 : itype = I960BASE_INSN_CMPO1; goto extract_sfmt_cmpo1;
              case 2 : itype = I960BASE_INSN_CMPI1; goto extract_sfmt_cmpi1;
              default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
              }
            }
          case 12 :
            {
              unsigned int val = (((insn >> 6) & (15 << 0)));
              switch (val)
              {
              case 0 : itype = I960BASE_INSN_CMPO2; goto extract_sfmt_cmpo2;
              case 2 : itype = I960BASE_INSN_CMPI2; goto extract_sfmt_cmpi2;
              default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
              }
            }
          case 14 :
            {
              unsigned int val = (((insn >> 6) & (15 << 0)));
              switch (val)
              {
              case 0 : itype = I960BASE_INSN_CMPO3; goto extract_sfmt_cmpo3;
              case 2 : itype = I960BASE_INSN_CMPI3; goto extract_sfmt_cmpi3;
              default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
              }
            }
          default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 92 :
        {
          unsigned int val = (((insn >> 10) & (15 << 0)));
          switch (val)
          {
          case 5 : itype = I960BASE_INSN_MOV; goto extract_sfmt_not;
          case 7 : itype = I960BASE_INSN_MOV1; goto extract_sfmt_not1;
          default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 93 :
        {
          unsigned int val = (((insn >> 10) & (15 << 0)));
          switch (val)
          {
          case 5 : itype = I960BASE_INSN_MOVL; goto extract_sfmt_movl;
          case 7 : itype = I960BASE_INSN_MOVL1; goto extract_sfmt_movl1;
          default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 94 :
        {
          unsigned int val = (((insn >> 10) & (15 << 0)));
          switch (val)
          {
          case 5 : itype = I960BASE_INSN_MOVT; goto extract_sfmt_movt;
          case 7 : itype = I960BASE_INSN_MOVT1; goto extract_sfmt_movt1;
          default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 95 :
        {
          unsigned int val = (((insn >> 10) & (15 << 0)));
          switch (val)
          {
          case 5 : itype = I960BASE_INSN_MOVQ; goto extract_sfmt_movq;
          case 7 : itype = I960BASE_INSN_MOVQ1; goto extract_sfmt_movq1;
          default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 100 : itype = I960BASE_INSN_MODAC; goto extract_sfmt_modpc;
      case 101 : itype = I960BASE_INSN_MODPC; goto extract_sfmt_modpc;
      case 102 :
        {
          unsigned int val = (((insn >> 10) & (15 << 0)));
          switch (val)
          {
          case 12 : itype = I960BASE_INSN_CALLS; goto extract_sfmt_calls;
          case 15 :
            {
              unsigned int val = (((insn >> 6) & (15 << 0)));
              switch (val)
              {
              case 8 : itype = I960BASE_INSN_FMARK; goto extract_sfmt_fmark;
              case 10 : itype = I960BASE_INSN_FLUSHREG; goto extract_sfmt_flushreg;
              default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
              }
            }
          default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 103 :
        {
          unsigned int val = (((insn >> 10) & (15 << 0)));
          switch (val)
          {
          case 0 : itype = I960BASE_INSN_EMUL; goto extract_sfmt_emul;
          case 2 : itype = I960BASE_INSN_EMUL1; goto extract_sfmt_emul1;
          case 4 : itype = I960BASE_INSN_EMUL2; goto extract_sfmt_emul2;
          case 6 : itype = I960BASE_INSN_EMUL3; goto extract_sfmt_emul3;
          default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 112 :
        {
          unsigned int val = (((insn >> 10) & (15 << 0)));
          switch (val)
          {
          case 0 : itype = I960BASE_INSN_MULO; goto extract_sfmt_mulo;
          case 1 :
            {
              unsigned int val = (((insn >> 6) & (15 << 0)));
              switch (val)
              {
              case 0 : itype = I960BASE_INSN_REMO; goto extract_sfmt_mulo;
              case 6 : itype = I960BASE_INSN_DIVO; goto extract_sfmt_mulo;
              default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
              }
            }
          case 2 : itype = I960BASE_INSN_MULO1; goto extract_sfmt_mulo1;
          case 3 :
            {
              unsigned int val = (((insn >> 6) & (15 << 0)));
              switch (val)
              {
              case 0 : itype = I960BASE_INSN_REMO1; goto extract_sfmt_mulo1;
              case 6 : itype = I960BASE_INSN_DIVO1; goto extract_sfmt_mulo1;
              default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
              }
            }
          case 4 : itype = I960BASE_INSN_MULO2; goto extract_sfmt_mulo2;
          case 5 :
            {
              unsigned int val = (((insn >> 6) & (15 << 0)));
              switch (val)
              {
              case 0 : itype = I960BASE_INSN_REMO2; goto extract_sfmt_mulo2;
              case 6 : itype = I960BASE_INSN_DIVO2; goto extract_sfmt_mulo2;
              default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
              }
            }
          case 6 : itype = I960BASE_INSN_MULO3; goto extract_sfmt_mulo3;
          case 7 :
            {
              unsigned int val = (((insn >> 6) & (15 << 0)));
              switch (val)
              {
              case 0 : itype = I960BASE_INSN_REMO3; goto extract_sfmt_mulo3;
              case 6 : itype = I960BASE_INSN_DIVO3; goto extract_sfmt_mulo3;
              default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
              }
            }
          default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 116 :
        {
          unsigned int val = (((insn >> 10) & (15 << 0)));
          switch (val)
          {
          case 1 :
            {
              unsigned int val = (((insn >> 6) & (15 << 0)));
              switch (val)
              {
              case 0 : itype = I960BASE_INSN_REMI; goto extract_sfmt_mulo;
              case 6 : itype = I960BASE_INSN_DIVI; goto extract_sfmt_mulo;
              default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
              }
            }
          case 3 :
            {
              unsigned int val = (((insn >> 6) & (15 << 0)));
              switch (val)
              {
              case 0 : itype = I960BASE_INSN_REMI1; goto extract_sfmt_mulo1;
              case 6 : itype = I960BASE_INSN_DIVI1; goto extract_sfmt_mulo1;
              default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
              }
            }
          case 5 :
            {
              unsigned int val = (((insn >> 6) & (15 << 0)));
              switch (val)
              {
              case 0 : itype = I960BASE_INSN_REMI2; goto extract_sfmt_mulo2;
              case 6 : itype = I960BASE_INSN_DIVI2; goto extract_sfmt_mulo2;
              default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
              }
            }
          case 7 :
            {
              unsigned int val = (((insn >> 6) & (15 << 0)));
              switch (val)