decode.c

这个是LINUX下的GDB调度工具的源码

              {
              case 0 : itype = I960BASE_INSN_REMI3; goto extract_sfmt_mulo3;
              case 6 : itype = I960BASE_INSN_DIVI3; 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 128 :
        {
          unsigned int val = (((insn >> 10) & (15 << 0)));
          switch (val)
          {
          case 0 : /* fall through */
          case 1 : /* fall through */
          case 2 : /* fall through */
          case 3 : itype = I960BASE_INSN_LDOB_OFFSET; goto extract_sfmt_ld_offset;
          case 4 : itype = I960BASE_INSN_LDOB_INDIRECT; goto extract_sfmt_ld_indirect;
          case 7 : itype = I960BASE_INSN_LDOB_INDIRECT_INDEX; goto extract_sfmt_ld_indirect_index;
          case 8 : /* fall through */
          case 9 : /* fall through */
          case 10 : /* fall through */
          case 11 : itype = I960BASE_INSN_LDOB_INDIRECT_OFFSET; goto extract_sfmt_ld_indirect_offset;
          case 12 : itype = I960BASE_INSN_LDOB_DISP; goto extract_sfmt_ld_disp;
          case 13 : itype = I960BASE_INSN_LDOB_INDIRECT_DISP; goto extract_sfmt_ld_indirect_disp;
          case 14 : itype = I960BASE_INSN_LDOB_INDEX_DISP; goto extract_sfmt_ld_index_disp;
          case 15 : itype = I960BASE_INSN_LDOB_INDIRECT_INDEX_DISP; goto extract_sfmt_ld_indirect_index_disp;
          default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 130 :
        {
          unsigned int val = (((insn >> 10) & (15 << 0)));
          switch (val)
          {
          case 0 : /* fall through */
          case 1 : /* fall through */
          case 2 : /* fall through */
          case 3 : itype = I960BASE_INSN_STOB_OFFSET; goto extract_sfmt_st_offset;
          case 4 : itype = I960BASE_INSN_STOB_INDIRECT; goto extract_sfmt_st_indirect;
          case 7 : itype = I960BASE_INSN_STOB_INDIRECT_INDEX; goto extract_sfmt_st_indirect_index;
          case 8 : /* fall through */
          case 9 : /* fall through */
          case 10 : /* fall through */
          case 11 : itype = I960BASE_INSN_STOB_INDIRECT_OFFSET; goto extract_sfmt_st_indirect_offset;
          case 12 : itype = I960BASE_INSN_STOB_DISP; goto extract_sfmt_st_disp;
          case 13 : itype = I960BASE_INSN_STOB_INDIRECT_DISP; goto extract_sfmt_st_indirect_disp;
          case 14 : itype = I960BASE_INSN_STOB_INDEX_DISP; goto extract_sfmt_st_index_disp;
          case 15 : itype = I960BASE_INSN_STOB_INDIRECT_INDEX_DISP; goto extract_sfmt_st_indirect_index_disp;
          default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 132 :
        {
          unsigned int val = (((insn >> 10) & (15 << 0)));
          switch (val)
          {
          case 4 : itype = I960BASE_INSN_BX_INDIRECT; goto extract_sfmt_bx_indirect;
          case 7 : itype = I960BASE_INSN_BX_INDIRECT_INDEX; goto extract_sfmt_bx_indirect_index;
          case 8 : /* fall through */
          case 9 : /* fall through */
          case 10 : /* fall through */
          case 11 : itype = I960BASE_INSN_BX_INDIRECT_OFFSET; goto extract_sfmt_bx_indirect_offset;
          case 12 : itype = I960BASE_INSN_BX_DISP; goto extract_sfmt_bx_disp;
          case 13 : itype = I960BASE_INSN_BX_INDIRECT_DISP; goto extract_sfmt_bx_indirect_disp;
          default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 134 :
        {
          unsigned int val = (((insn >> 10) & (15 << 0)));
          switch (val)
          {
          case 4 : itype = I960BASE_INSN_CALLX_INDIRECT; goto extract_sfmt_callx_indirect;
          case 8 : /* fall through */
          case 9 : /* fall through */
          case 10 : /* fall through */
          case 11 : itype = I960BASE_INSN_CALLX_INDIRECT_OFFSET; goto extract_sfmt_callx_indirect_offset;
          case 12 : itype = I960BASE_INSN_CALLX_DISP; goto extract_sfmt_callx_disp;
          default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 136 :
        {
          unsigned int val = (((insn >> 10) & (15 << 0)));
          switch (val)
          {
          case 0 : /* fall through */
          case 1 : /* fall through */
          case 2 : /* fall through */
          case 3 : itype = I960BASE_INSN_LDOS_OFFSET; goto extract_sfmt_ld_offset;
          case 4 : itype = I960BASE_INSN_LDOS_INDIRECT; goto extract_sfmt_ld_indirect;
          case 7 : itype = I960BASE_INSN_LDOS_INDIRECT_INDEX; goto extract_sfmt_ld_indirect_index;
          case 8 : /* fall through */
          case 9 : /* fall through */
          case 10 : /* fall through */
          case 11 : itype = I960BASE_INSN_LDOS_INDIRECT_OFFSET; goto extract_sfmt_ld_indirect_offset;
          case 12 : itype = I960BASE_INSN_LDOS_DISP; goto extract_sfmt_ld_disp;
          case 13 : itype = I960BASE_INSN_LDOS_INDIRECT_DISP; goto extract_sfmt_ld_indirect_disp;
          case 14 : itype = I960BASE_INSN_LDOS_INDEX_DISP; goto extract_sfmt_ld_index_disp;
          case 15 : itype = I960BASE_INSN_LDOS_INDIRECT_INDEX_DISP; goto extract_sfmt_ld_indirect_index_disp;
          default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 138 :
        {
          unsigned int val = (((insn >> 10) & (15 << 0)));
          switch (val)
          {
          case 0 : /* fall through */
          case 1 : /* fall through */
          case 2 : /* fall through */
          case 3 : itype = I960BASE_INSN_STOS_OFFSET; goto extract_sfmt_st_offset;
          case 4 : itype = I960BASE_INSN_STOS_INDIRECT; goto extract_sfmt_st_indirect;
          case 7 : itype = I960BASE_INSN_STOS_INDIRECT_INDEX; goto extract_sfmt_st_indirect_index;
          case 8 : /* fall through */
          case 9 : /* fall through */
          case 10 : /* fall through */
          case 11 : itype = I960BASE_INSN_STOS_INDIRECT_OFFSET; goto extract_sfmt_st_indirect_offset;
          case 12 : itype = I960BASE_INSN_STOS_DISP; goto extract_sfmt_st_disp;
          case 13 : itype = I960BASE_INSN_STOS_INDIRECT_DISP; goto extract_sfmt_st_indirect_disp;
          case 14 : itype = I960BASE_INSN_STOS_INDEX_DISP; goto extract_sfmt_st_index_disp;
          case 15 : itype = I960BASE_INSN_STOS_INDIRECT_INDEX_DISP; goto extract_sfmt_st_indirect_index_disp;
          default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 140 :
        {
          unsigned int val = (((insn >> 10) & (15 << 0)));
          switch (val)
          {
          case 0 : /* fall through */
          case 1 : /* fall through */
          case 2 : /* fall through */
          case 3 : itype = I960BASE_INSN_LDA_OFFSET; goto extract_sfmt_lda_offset;
          case 4 : itype = I960BASE_INSN_LDA_INDIRECT; goto extract_sfmt_lda_indirect;
          case 7 : itype = I960BASE_INSN_LDA_INDIRECT_INDEX; goto extract_sfmt_lda_indirect_index;
          case 8 : /* fall through */
          case 9 : /* fall through */
          case 10 : /* fall through */
          case 11 : itype = I960BASE_INSN_LDA_INDIRECT_OFFSET; goto extract_sfmt_lda_indirect_offset;
          case 12 : itype = I960BASE_INSN_LDA_DISP; goto extract_sfmt_lda_disp;
          case 13 : itype = I960BASE_INSN_LDA_INDIRECT_DISP; goto extract_sfmt_lda_indirect_disp;
          case 14 : itype = I960BASE_INSN_LDA_INDEX_DISP; goto extract_sfmt_lda_index_disp;
          case 15 : itype = I960BASE_INSN_LDA_INDIRECT_INDEX_DISP; goto extract_sfmt_lda_indirect_index_disp;
          default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 144 :
        {
          unsigned int val = (((insn >> 10) & (15 << 0)));
          switch (val)
          {
          case 0 : /* fall through */
          case 1 : /* fall through */
          case 2 : /* fall through */
          case 3 : itype = I960BASE_INSN_LD_OFFSET; goto extract_sfmt_ld_offset;
          case 4 : itype = I960BASE_INSN_LD_INDIRECT; goto extract_sfmt_ld_indirect;
          case 7 : itype = I960BASE_INSN_LD_INDIRECT_INDEX; goto extract_sfmt_ld_indirect_index;
          case 8 : /* fall through */
          case 9 : /* fall through */
          case 10 : /* fall through */
          case 11 : itype = I960BASE_INSN_LD_INDIRECT_OFFSET; goto extract_sfmt_ld_indirect_offset;
          case 12 : itype = I960BASE_INSN_LD_DISP; goto extract_sfmt_ld_disp;
          case 13 : itype = I960BASE_INSN_LD_INDIRECT_DISP; goto extract_sfmt_ld_indirect_disp;
          case 14 : itype = I960BASE_INSN_LD_INDEX_DISP; goto extract_sfmt_ld_index_disp;
          case 15 : itype = I960BASE_INSN_LD_INDIRECT_INDEX_DISP; goto extract_sfmt_ld_indirect_index_disp;
          default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 146 :
        {
          unsigned int val = (((insn >> 10) & (15 << 0)));
          switch (val)
          {
          case 0 : /* fall through */
          case 1 : /* fall through */
          case 2 : /* fall through */
          case 3 : itype = I960BASE_INSN_ST_OFFSET; goto extract_sfmt_st_offset;
          case 4 : itype = I960BASE_INSN_ST_INDIRECT; goto extract_sfmt_st_indirect;
          case 7 : itype = I960BASE_INSN_ST_INDIRECT_INDEX; goto extract_sfmt_st_indirect_index;
          case 8 : /* fall through */
          case 9 : /* fall through */
          case 10 : /* fall through */
          case 11 : itype = I960BASE_INSN_ST_INDIRECT_OFFSET; goto extract_sfmt_st_indirect_offset;
          case 12 : itype = I960BASE_INSN_ST_DISP; goto extract_sfmt_st_disp;
          case 13 : itype = I960BASE_INSN_ST_INDIRECT_DISP; goto extract_sfmt_st_indirect_disp;
          case 14 : itype = I960BASE_INSN_ST_INDEX_DISP; goto extract_sfmt_st_index_disp;
          case 15 : itype = I960BASE_INSN_ST_INDIRECT_INDEX_DISP; goto extract_sfmt_st_indirect_index_disp;
          default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 152 :
        {
          unsigned int val = (((insn >> 10) & (15 << 0)));
          switch (val)
          {
          case 0 : /* fall through */
          case 1 : /* fall through */
          case 2 : /* fall through */
          case 3 : itype = I960BASE_INSN_LDL_OFFSET; goto extract_sfmt_ldl_offset;
          case 4 : itype = I960BASE_INSN_LDL_INDIRECT; goto extract_sfmt_ldl_indirect;
          case 7 : itype = I960BASE_INSN_LDL_INDIRECT_INDEX; goto extract_sfmt_ldl_indirect_index;
          case 8 : /* fall through */
          case 9 : /* fall through */
          case 10 : /* fall through */
          case 11 : itype = I960BASE_INSN_LDL_INDIRECT_OFFSET; goto extract_sfmt_ldl_indirect_offset;
          case 12 : itype = I960BASE_INSN_LDL_DISP; goto extract_sfmt_ldl_disp;
          case 13 : itype = I960BASE_INSN_LDL_INDIRECT_DISP; goto extract_sfmt_ldl_indirect_disp;
          case 14 : itype = I960BASE_INSN_LDL_INDEX_DISP; goto extract_sfmt_ldl_index_disp;
          case 15 : itype = I960BASE_INSN_LDL_INDIRECT_INDEX_DISP; goto extract_sfmt_ldl_indirect_index_disp;
          default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 154 :
        {
          unsigned int val = (((insn >> 10) & (15 << 0)));
          switch (val)
          {
          case 0 : /* fall through */
          case 1 : /* fall through */
          case 2 : /* fall through */
          case 3 : itype = I960BASE_INSN_STL_OFFSET; goto extract_sfmt_stl_offset;
          case 4 : itype = I960BASE_INSN_STL_INDIRECT; goto extract_sfmt_stl_indirect;
          case 7 : itype = I960BASE_INSN_STL_INDIRECT_INDEX; goto extract_sfmt_stl_indirect_index;
          case 8 : /* fall through */
          case 9 : /* fall through */
          case 10 : /* fall through */
          case 11 : itype = I960BASE_INSN_STL_INDIRECT_OFFSET; goto extract_sfmt_stl_indirect_offset;
          case 12 : itype = I960BASE_INSN_STL_DISP; goto extract_sfmt_stl_disp;
          case 13 : itype = I960BASE_INSN_STL_INDIRECT_DISP; goto extract_sfmt_stl_indirect_disp;
          case 14 : itype = I960BASE_INSN_STL_INDEX_DISP; goto extract_sfmt_stl_index_disp;
          case 15 : itype = I960BASE_INSN_STL_INDIRECT_INDEX_DISP; goto extract_sfmt_stl_indirect_index_disp;
          default : itype = I960BASE_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 160 :
        {
          unsigned int val = (((insn >> 10) & (15 << 0)));
          switch (val)
          {
          case 0 : /* fall through */
          case 1 : /* fall through */
          case 2 : /* fall through */
          case 3 : itype = I960BASE_INSN_LDT_OFFSET; goto extract_sfmt_ldt_offset;
          case 4 : itype = I960BASE_INSN_LDT_INDIRECT; goto extract_sfmt_ldt_indirect;
          case 7 : itype = I960BASE_INSN_LDT_INDIRECT_INDEX; goto extract