decode2.c

这个是LINUX下的GDB调度工具的源码

      case 72 : /* fall through */
      case 73 : /* fall through */
      case 74 : /* fall through */
      case 75 : /* fall through */
      case 76 : /* fall through */
      case 77 : /* fall through */
      case 78 : /* fall through */
      case 79 : itype = M32R2F_INSN_ADDI; goto extract_sfmt_addi;
      case 80 : /* fall through */
      case 81 : itype = M32R2F_INSN_SRLI; goto extract_sfmt_slli;
      case 82 : /* fall through */
      case 83 : itype = M32R2F_INSN_SRAI; goto extract_sfmt_slli;
      case 84 : /* fall through */
      case 85 : itype = M32R2F_INSN_SLLI; goto extract_sfmt_slli;
      case 87 :
        {
          unsigned int val = (((insn >> 0) & (1 << 0)));
          switch (val)
          {
          case 0 : itype = M32R2F_INSN_MVTACHI_A; goto extract_sfmt_mvtachi_a;
          case 1 : itype = M32R2F_INSN_MVTACLO_A; goto extract_sfmt_mvtachi_a;
          default : itype = M32R2F_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 88 : itype = M32R2F_INSN_RACH_DSI; goto extract_sfmt_rac_dsi;
      case 89 : itype = M32R2F_INSN_RAC_DSI; goto extract_sfmt_rac_dsi;
      case 90 : itype = M32R2F_INSN_MULWU1; goto extract_sfmt_mulwu1;
      case 91 : itype = M32R2F_INSN_MACWU1; goto extract_sfmt_macwu1;
      case 92 : itype = M32R2F_INSN_MACLH1; goto extract_sfmt_macwu1;
      case 93 : itype = M32R2F_INSN_MSBLO; goto extract_sfmt_msblo;
      case 94 : itype = M32R2F_INSN_SADD; goto extract_sfmt_sadd;
      case 95 :
        {
          unsigned int val = (((insn >> 0) & (3 << 0)));
          switch (val)
          {
          case 0 : itype = M32R2F_INSN_MVFACHI_A; goto extract_sfmt_mvfachi_a;
          case 1 : itype = M32R2F_INSN_MVFACLO_A; goto extract_sfmt_mvfachi_a;
          case 2 : itype = M32R2F_INSN_MVFACMI_A; goto extract_sfmt_mvfachi_a;
          default : itype = M32R2F_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 96 : /* fall through */
      case 97 : /* fall through */
      case 98 : /* fall through */
      case 99 : /* fall through */
      case 100 : /* fall through */
      case 101 : /* fall through */
      case 102 : /* fall through */
      case 103 : /* fall through */
      case 104 : /* fall through */
      case 105 : /* fall through */
      case 106 : /* fall through */
      case 107 : /* fall through */
      case 108 : /* fall through */
      case 109 : /* fall through */
      case 110 : /* fall through */
      case 111 : itype = M32R2F_INSN_LDI8; goto extract_sfmt_ldi8;
      case 112 :
        {
          unsigned int val = (((insn >> 7) & (15 << 1)) | ((insn >> 0) & (1 << 0)));
          switch (val)
          {
          case 0 : itype = M32R2F_INSN_NOP; goto extract_sfmt_nop;
          case 2 : /* fall through */
          case 3 : itype = M32R2F_INSN_SETPSW; goto extract_sfmt_setpsw;
          case 4 : /* fall through */
          case 5 : itype = M32R2F_INSN_CLRPSW; goto extract_sfmt_clrpsw;
          case 9 : itype = M32R2F_INSN_SC; goto extract_sfmt_sc;
          case 11 : itype = M32R2F_INSN_SNC; goto extract_sfmt_sc;
          case 16 : /* fall through */
          case 17 : itype = M32R2F_INSN_BCL8; goto extract_sfmt_bcl8;
          case 18 : /* fall through */
          case 19 : itype = M32R2F_INSN_BNCL8; goto extract_sfmt_bcl8;
          case 24 : /* fall through */
          case 25 : itype = M32R2F_INSN_BC8; goto extract_sfmt_bc8;
          case 26 : /* fall through */
          case 27 : itype = M32R2F_INSN_BNC8; goto extract_sfmt_bc8;
          case 28 : /* fall through */
          case 29 : itype = M32R2F_INSN_BL8; goto extract_sfmt_bl8;
          case 30 : /* fall through */
          case 31 : itype = M32R2F_INSN_BRA8; goto extract_sfmt_bra8;
          default : itype = M32R2F_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 113 : /* fall through */
      case 114 : /* fall through */
      case 115 : /* fall through */
      case 116 : /* fall through */
      case 117 : /* fall through */
      case 118 : /* fall through */
      case 119 : /* fall through */
      case 120 : /* fall through */
      case 121 : /* fall through */
      case 122 : /* fall through */
      case 123 : /* fall through */
      case 124 : /* fall through */
      case 125 : /* fall through */
      case 126 : /* fall through */
      case 127 :
        {
          unsigned int val = (((insn >> 8) & (15 << 0)));
          switch (val)
          {
          case 1 : itype = M32R2F_INSN_SETPSW; goto extract_sfmt_setpsw;
          case 2 : itype = M32R2F_INSN_CLRPSW; goto extract_sfmt_clrpsw;
          case 8 : itype = M32R2F_INSN_BCL8; goto extract_sfmt_bcl8;
          case 9 : itype = M32R2F_INSN_BNCL8; goto extract_sfmt_bcl8;
          case 12 : itype = M32R2F_INSN_BC8; goto extract_sfmt_bc8;
          case 13 : itype = M32R2F_INSN_BNC8; goto extract_sfmt_bc8;
          case 14 : itype = M32R2F_INSN_BL8; goto extract_sfmt_bl8;
          case 15 : itype = M32R2F_INSN_BRA8; goto extract_sfmt_bra8;
          default : itype = M32R2F_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 132 : itype = M32R2F_INSN_CMPI; goto extract_sfmt_cmpi;
      case 133 : itype = M32R2F_INSN_CMPUI; goto extract_sfmt_cmpi;
      case 134 :
        {
          unsigned int val = (((insn >> -8) & (3 << 0)));
          switch (val)
          {
          case 0 : itype = M32R2F_INSN_SAT; goto extract_sfmt_sat;
          case 2 : itype = M32R2F_INSN_SATH; goto extract_sfmt_satb;
          case 3 : itype = M32R2F_INSN_SATB; goto extract_sfmt_satb;
          default : itype = M32R2F_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 136 : itype = M32R2F_INSN_ADDV3; goto extract_sfmt_addv3;
      case 138 : itype = M32R2F_INSN_ADD3; goto extract_sfmt_add3;
      case 140 : itype = M32R2F_INSN_AND3; goto extract_sfmt_and3;
      case 141 : itype = M32R2F_INSN_XOR3; goto extract_sfmt_and3;
      case 142 : itype = M32R2F_INSN_OR3; goto extract_sfmt_or3;
      case 144 :
        {
          unsigned int val = (((insn >> -13) & (3 << 0)));
          switch (val)
          {
          case 0 : itype = M32R2F_INSN_DIV; goto extract_sfmt_div;
          case 2 : itype = M32R2F_INSN_DIVH; goto extract_sfmt_div;
          case 3 : itype = M32R2F_INSN_DIVB; goto extract_sfmt_div;
          default : itype = M32R2F_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 145 :
        {
          unsigned int val = (((insn >> -13) & (3 << 0)));
          switch (val)
          {
          case 0 : itype = M32R2F_INSN_DIVU; goto extract_sfmt_div;
          case 2 : itype = M32R2F_INSN_DIVUH; goto extract_sfmt_div;
          case 3 : itype = M32R2F_INSN_DIVUB; goto extract_sfmt_div;
          default : itype = M32R2F_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 146 :
        {
          unsigned int val = (((insn >> -13) & (3 << 0)));
          switch (val)
          {
          case 0 : itype = M32R2F_INSN_REM; goto extract_sfmt_div;
          case 2 : itype = M32R2F_INSN_REMH; goto extract_sfmt_div;
          case 3 : itype = M32R2F_INSN_REMB; goto extract_sfmt_div;
          default : itype = M32R2F_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 147 :
        {
          unsigned int val = (((insn >> -13) & (3 << 0)));
          switch (val)
          {
          case 0 : itype = M32R2F_INSN_REMU; goto extract_sfmt_div;
          case 2 : itype = M32R2F_INSN_REMUH; goto extract_sfmt_div;
          case 3 : itype = M32R2F_INSN_REMUB; goto extract_sfmt_div;
          default : itype = M32R2F_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 152 : itype = M32R2F_INSN_SRL3; goto extract_sfmt_sll3;
      case 154 : itype = M32R2F_INSN_SRA3; goto extract_sfmt_sll3;
      case 156 : itype = M32R2F_INSN_SLL3; goto extract_sfmt_sll3;
      case 159 : itype = M32R2F_INSN_LDI16; goto extract_sfmt_ldi16;
      case 160 : itype = M32R2F_INSN_STB_D; goto extract_sfmt_stb_d;
      case 162 : itype = M32R2F_INSN_STH_D; goto extract_sfmt_sth_d;
      case 164 : itype = M32R2F_INSN_ST_D; goto extract_sfmt_st_d;
      case 166 : itype = M32R2F_INSN_BSET; goto extract_sfmt_bset;
      case 167 : itype = M32R2F_INSN_BCLR; goto extract_sfmt_bset;
      case 168 : itype = M32R2F_INSN_LDB_D; goto extract_sfmt_ldb_d;
      case 169 : itype = M32R2F_INSN_LDUB_D; goto extract_sfmt_ldb_d;
      case 170 : itype = M32R2F_INSN_LDH_D; goto extract_sfmt_ldh_d;
      case 171 : itype = M32R2F_INSN_LDUH_D; goto extract_sfmt_ldh_d;
      case 172 : itype = M32R2F_INSN_LD_D; goto extract_sfmt_ld_d;
      case 176 : itype = M32R2F_INSN_BEQ; goto extract_sfmt_beq;
      case 177 : itype = M32R2F_INSN_BNE; goto extract_sfmt_beq;
      case 184 : itype = M32R2F_INSN_BEQZ; goto extract_sfmt_beqz;
      case 185 : itype = M32R2F_INSN_BNEZ; goto extract_sfmt_beqz;
      case 186 : itype = M32R2F_INSN_BLTZ; goto extract_sfmt_beqz;
      case 187 : itype = M32R2F_INSN_BGEZ; goto extract_sfmt_beqz;
      case 188 : itype = M32R2F_INSN_BLEZ; goto extract_sfmt_beqz;
      case 189 : itype = M32R2F_INSN_BGTZ; goto extract_sfmt_beqz;
      case 220 : itype = M32R2F_INSN_SETH; goto extract_sfmt_seth;
      case 224 : /* fall through */
      case 225 : /* fall through */
      case 226 : /* fall through */
      case 227 : /* fall through */
      case 228 : /* fall through */
      case 229 : /* fall through */
      case 230 : /* fall through */
      case 231 : /* fall through */
      case 232 : /* fall through */
      case 233 : /* fall through */
      case 234 : /* fall through */
      case 235 : /* fall through */
      case 236 : /* fall through */
      case 237 : /* fall through */
      case 238 : /* fall through */
      case 239 : itype = M32R2F_INSN_LD24; goto extract_sfmt_ld24;
      case 240 : /* fall through */
      case 241 : /* fall through */
      case 242 : /* fall through */
      case 243 : /* fall through */
      case 244 : /* fall through */
      case 245 : /* fall through */
      case 246 : /* fall through */
      case 247 : /* fall through */
      case 248 : /* fall through */
      case 249 : /* fall through */
      case 250 : /* fall through */
      case 251 : /* fall through */
      case 252 : /* fall through */
      case 253 : /* fall through */
      case 254 : /* fall through */
      case 255 :
        {
          unsigned int val = (((insn >> 8) & (7 << 0)));
          switch (val)
          {
          case 0 : itype = M32R2F_INSN_BCL24; goto extract_sfmt_bcl24;
          case 1 : itype = M32R2F_INSN_BNCL24; goto extract_sfmt_bcl24;
          case 4 : itype = M32R2F_INSN_BC24; goto extract_sfmt_bc24;
          case 5 : itype = M32R2F_INSN_BNC24; goto extract_sfmt_bc24;
          case 6 : itype = M32R2F_INSN_BL24; goto extract_sfmt_bl24;
          case 7 : itype = M32R2F_INSN_BRA24; goto extract_sfmt_bra24;
          default : itype = M32R2F_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      default : itype = M32R2F_INSN_X_INVALID; goto extract_sfmt_empty;
      }
    }
  }

  /* The instruction has been decoded, now extract the fields.  */

 extract_sfmt_empty:
  {
    const IDESC *idesc = &m32r2f_insn_data[itype];
#define FLD(f) abuf->fields.fmt_empty.f


  /* Record the fields for the semantic handler.  */
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_empty", (char *) 0));

#undef FLD
    return idesc;
  }

 extract_sfmt_add:
  {
    const IDESC *idesc = &m32r2f_insn_data[itype];
    CGEN_INSN_INT insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_add.f
    UINT f_r1;
    UINT f_r2;

    f_r1 = EXTRACT_MSB0_UINT (insn, 16, 4, 4);
    f_r2 = EXTRACT_MSB0_UINT (insn, 16, 12, 4);

  /* Record the fields for the semantic handler.  */
  FLD (f_r1) = f_r1;
  FLD (f_r2) = f_r2;
  FLD (i_dr) = & CPU (h_gr)[f_r1];
  FLD (i_sr) = & CPU (h_gr)[f_r2];
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_add", "f_r1 0x%x", 'x', f_r1, "f_r2 0x%x", 'x', f_r2, "dr 0x%x", 'x', f_r1, "sr 0x%x", 'x', f_r2, (char *) 0));

#if WITH_PROFILE_MODEL_P
  /* Record the fields for profiling.  */
  if (PROFILE_MODEL_P (current_cpu))
    {
      FLD (in_dr) = f_r1;
      FLD (in_sr) = f_r2;
      FLD (out_dr) = f_r1;
    }
#endif
#undef FLD
    return idesc;
  }

 extract_sfmt_add3:
  {
    const IDESC *idesc = &m32r2f_insn_data[itype];
    CGEN_INSN_INT insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_add3.f
    UINT f_r1;
    UINT f_r2;
    INT f_simm16;

    f_r1 = EXTRACT_MSB0_UINT (insn, 32, 4, 4);
    f_r2 = EXTRACT_MSB0_UINT (insn, 32, 12, 4);
    f_simm16 = EXTRACT_MSB0_INT (insn, 32, 16, 16);

  /* Record the fields for the semantic handler.  */
  FLD (f_simm16) = f_simm16;
  FLD (f_r2) = f_r2;
  FLD (f_r1) = f_r1;
  FLD (i_sr) = & CPU (h_gr)[f_r2];
  FLD (i_dr) = & CPU (h_gr)[f_r1];
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_add3", "f_simm16 0x%x", 'x', f_simm16, "f_r2 0x%x", 'x', f_r2, "f_r1 0x%x", 'x', f_r1, "sr 0x%x", 'x', f_r2, "dr 0x%x", 'x', f_r1, (char *) 0));

#if WITH_PROFILE_MODEL_P
  /* Record the fields for profiling.  */
  if (PROFILE_MODEL_P (current_cpu))
    {
      FLD (in_sr) = f_r2;
      FLD (out_dr) = f_r1;
    }
#endif
#undef FLD
    return idesc;
  }

 extract_sfmt_and3:
  {
    const IDESC *idesc = &m32r2f_insn_data[itype];
    CGEN_INSN_INT insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_and3.f
    UINT f_r1;
    UINT f_r2;
    UINT f_uimm16;

    f_r1 = EXTRACT_MSB0_UINT (insn, 32, 4, 4);
    f_r2 = EXTRACT_MSB0_UINT (insn, 32, 12, 4);
    f_uimm16 = EXTRACT_MSB0_UINT (insn, 32, 16, 16);

  /* Record the fields for the semantic handler.  */
  FLD (f_r2) = f_r2;
  FLD (f_uimm16) = f_uimm16;
  FLD (f_r1) = f_r1;
  FLD (i_sr) = & CPU (h_gr)[f_r2];
  FLD (i_dr) = & CPU (h_gr)[f_r1];
  TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_and3", "f_r2 0x%x", 'x', f_r2, "f_uimm16 0x%x", 'x', f_uimm16, "f_r1 0x%x", 'x', f_r1, "sr 0x%x", 'x', f_r2, "dr 0x%x", 'x', f_r1, (char *) 0));

#if WITH_PROFILE_MODEL_P
  /* Record the fields for profiling.  */
  if (PROFILE_MODEL_P (current_cpu))
    {
      FLD (in_sr) = f_r2;
      FLD (out_dr) = f_r1;
    }
#endif
#undef FLD