gdb/d30v-tdep.c

   1 /* OBSOLETE /* Target-dependent code for Mitsubishi D30V, for GDB. */
   2 /* OBSOLETE  */
   3 /* OBSOLETE    Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002 Free Software */
   4 /* OBSOLETE    Foundation, Inc. */
   5 /* OBSOLETE  */
   6 /* OBSOLETE    This file is part of GDB. */
   7 /* OBSOLETE  */
   8 /* OBSOLETE    This program is free software; you can redistribute it and/or modify */
   9 /* OBSOLETE    it under the terms of the GNU General Public License as published by */
  10 /* OBSOLETE    the Free Software Foundation; either version 2 of the License, or */
  11 /* OBSOLETE    (at your option) any later version. */
  12 /* OBSOLETE  */
  13 /* OBSOLETE    This program is distributed in the hope that it will be useful, */
  14 /* OBSOLETE    but WITHOUT ANY WARRANTY; without even the implied warranty of */
  15 /* OBSOLETE    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the */
  16 /* OBSOLETE    GNU General Public License for more details. */
  17 /* OBSOLETE  */
  18 /* OBSOLETE    You should have received a copy of the GNU General Public License */
  19 /* OBSOLETE    along with this program; if not, write to the Free Software */
  20 /* OBSOLETE    Foundation, Inc., 59 Temple Place - Suite 330, */
  21 /* OBSOLETE    Boston, MA 02111-1307, USA.  */ */
  22 /* OBSOLETE  */
  23 /* OBSOLETE /*  Contributed by Martin Hunt, hunt@cygnus.com */ */
  24 /* OBSOLETE  */
  25 /* OBSOLETE #include "defs.h" */
  26 /* OBSOLETE #include "frame.h" */
  27 /* OBSOLETE #include "obstack.h" */
  28 /* OBSOLETE #include "symtab.h" */
  29 /* OBSOLETE #include "gdbtypes.h" */
  30 /* OBSOLETE #include "gdbcmd.h" */
  31 /* OBSOLETE #include "gdbcore.h" */
  32 /* OBSOLETE #include "gdb_string.h" */
  33 /* OBSOLETE #include "value.h" */
  34 /* OBSOLETE #include "inferior.h" */
  35 /* OBSOLETE #include "dis-asm.h" */
  36 /* OBSOLETE #include "symfile.h" */
  37 /* OBSOLETE #include "objfiles.h" */
  38 /* OBSOLETE #include "regcache.h" */
  39 /* OBSOLETE  */
  40 /* OBSOLETE #include "language.h" /* For local_hex_string() */ */
  41 /* OBSOLETE  */
  42 /* OBSOLETE void d30v_frame_find_saved_regs (struct frame_info *fi, */
  43 /* OBSOLETE                              struct frame_saved_regs *fsr); */
  44 /* OBSOLETE void d30v_frame_find_saved_regs_offsets (struct frame_info *fi, */
  45 /* OBSOLETE                                      struct frame_saved_regs *fsr); */
  46 /* OBSOLETE static void d30v_pop_dummy_frame (struct frame_info *fi); */
  47 /* OBSOLETE static void d30v_print_flags (void); */
  48 /* OBSOLETE static void print_flags_command (char *, int); */
  49 /* OBSOLETE  */
  50 /* OBSOLETE /* the following defines assume: */
  51 /* OBSOLETE    fp is r61, lr is r62, sp is r63, and ?? is r22 */
  52 /* OBSOLETE    if that changes, they will need to be updated */ */
  53 /* OBSOLETE  */
  54 /* OBSOLETE #define OP_MASK_ALL_BUT_RA  0x0ffc0fff      /* throw away Ra, keep the rest */ */
  55 /* OBSOLETE  */
  56 /* OBSOLETE #define OP_STW_SPM          0x054c0fc0      /* stw Ra, @(sp-) */ */
  57 /* OBSOLETE #define OP_STW_SP_R0                0x05400fc0      /* stw Ra, @(sp,r0) */ */
  58 /* OBSOLETE #define OP_STW_SP_IMM0              0x05480fc0      /* st Ra, @(sp, 0x0) */ */
  59 /* OBSOLETE #define OP_STW_R22P_R0              0x05440580      /* stw Ra, @(r22+,r0) */ */
  60 /* OBSOLETE  */
  61 /* OBSOLETE #define OP_ST2W_SPM         0x056c0fc0      /* st2w Ra, @(sp-) */ */
  62 /* OBSOLETE #define OP_ST2W_SP_R0               0x05600fc0      /* st2w Ra, @(sp, r0) */ */
  63 /* OBSOLETE #define OP_ST2W_SP_IMM0             0x05680fc0      /* st2w Ra, @(sp, 0x0) */ */
  64 /* OBSOLETE #define OP_ST2W_R22P_R0             0x05640580      /* st2w Ra, @(r22+, r0) */ */
  65 /* OBSOLETE  */
  66 /* OBSOLETE #define OP_MASK_OPCODE              0x0ffc0000      /* just the opcode, ign operands */ */
  67 /* OBSOLETE #define OP_NOP                      0x00f00000      /* nop */ */
  68 /* OBSOLETE  */
  69 /* OBSOLETE #define OP_MASK_ALL_BUT_IMM 0x0fffffc0      /* throw away imm, keep the rest */ */
  70 /* OBSOLETE #define OP_SUB_SP_IMM               0x082bffc0      /* sub sp,sp,imm */ */
  71 /* OBSOLETE #define OP_ADD_SP_IMM               0x080bffc0      /* add sp,sp,imm */ */
  72 /* OBSOLETE #define OP_ADD_R22_SP_IMM   0x08096fc0      /* add r22,sp,imm */ */
  73 /* OBSOLETE #define OP_STW_FP_SP_IMM    0x054bdfc0      /* stw fp,@(sp,imm) */ */
  74 /* OBSOLETE #define OP_OR_SP_R0_IMM             0x03abf000      /* or sp,r0,imm */ */
  75 /* OBSOLETE  */
  76 /* OBSOLETE /* no mask */ */
  77 /* OBSOLETE #define OP_OR_FP_R0_SP              0x03a3d03f      /* or fp,r0,sp */ */
  78 /* OBSOLETE #define OP_OR_FP_SP_R0              0x03a3dfc0      /* or fp,sp,r0 */ */
  79 /* OBSOLETE #define OP_OR_FP_IMM0_SP    0x03abd03f      /* or fp,0x0,sp */ */
  80 /* OBSOLETE #define OP_STW_FP_R22P_R0   0x0547d580      /* stw fp,@(r22+,r0) */ */
  81 /* OBSOLETE #define OP_STW_LR_R22P_R0   0x0547e580      /* stw lr,@(r22+,r0) */ */
  82 /* OBSOLETE  */
  83 /* OBSOLETE #define OP_MASK_OP_AND_RB   0x0ff80fc0      /* keep op and rb,throw away rest */ */
  84 /* OBSOLETE #define OP_STW_SP_IMM               0x05480fc0      /* stw Ra,@(sp,imm) */ */
  85 /* OBSOLETE #define OP_ST2W_SP_IMM              0x05680fc0      /* st2w Ra,@(sp,imm) */ */
  86 /* OBSOLETE #define OP_STW_FP_IMM               0x05480f40      /* stw Ra,@(fp,imm) */ */
  87 /* OBSOLETE #define OP_STW_FP_R0                0x05400f40      /* stw Ra,@(fp,r0) */ */
  88 /* OBSOLETE  */
  89 /* OBSOLETE #define OP_MASK_FM_BIT              0x80000000 */
  90 /* OBSOLETE #define OP_MASK_CC_BITS             0x70000000 */
  91 /* OBSOLETE #define OP_MASK_SUB_INST    0x0fffffff */
  92 /* OBSOLETE  */
  93 /* OBSOLETE #define EXTRACT_RA(op)              (((op) >> 12) & 0x3f) */
  94 /* OBSOLETE #define EXTRACT_RB(op)              (((op) >> 6) & 0x3f) */
  95 /* OBSOLETE #define EXTRACT_RC(op)              (((op) & 0x3f) */
  96 /* OBSOLETE #define EXTRACT_UIMM6(op)   ((op) & 0x3f) */
  97 /* OBSOLETE #define EXTRACT_IMM6(op)    ((((int)EXTRACT_UIMM6(op)) << 26) >> 26) */
  98 /* OBSOLETE #define EXTRACT_IMM26(op)   ((((op)&0x0ff00000) >> 2) | ((op)&0x0003ffff)) */
  99 /* OBSOLETE #define EXTRACT_IMM32(opl, opr)     ((EXTRACT_UIMM6(opl) << 26)|EXTRACT_IMM26(opr)) */
 100 /* OBSOLETE  */
 101 /* OBSOLETE  */
 102 /* OBSOLETE int */
 103 /* OBSOLETE d30v_frame_chain_valid (CORE_ADDR chain, struct frame_info *fi) */
 104 /* OBSOLETE { */
 105 /* OBSOLETE #if 0 */
 106 /* OBSOLETE   return ((chain) != 0 && (fi) != 0 && (fi)->return_pc != 0); */
 107 /* OBSOLETE #else */
 108 /* OBSOLETE   return ((chain) != 0 && (fi) != 0 && (fi)->frame <= chain); */
 109 /* OBSOLETE #endif */
 110 /* OBSOLETE } */
 111 /* OBSOLETE  */
 112 /* OBSOLETE /* Discard from the stack the innermost frame, restoring all saved */
 113 /* OBSOLETE    registers.  */ */
 114 /* OBSOLETE  */
 115 /* OBSOLETE void */
 116 /* OBSOLETE d30v_pop_frame (void) */
 117 /* OBSOLETE { */
 118 /* OBSOLETE   struct frame_info *frame = get_current_frame (); */
 119 /* OBSOLETE   CORE_ADDR fp; */
 120 /* OBSOLETE   int regnum; */
 121 /* OBSOLETE   struct frame_saved_regs fsr; */
 122 /* OBSOLETE   char raw_buffer[8]; */
 123 /* OBSOLETE  */
 124 /* OBSOLETE   fp = FRAME_FP (frame); */
 125 /* OBSOLETE   if (frame->dummy) */
 126 /* OBSOLETE     { */
 127 /* OBSOLETE       d30v_pop_dummy_frame (frame); */
 128 /* OBSOLETE       return; */
 129 /* OBSOLETE     } */
 130 /* OBSOLETE  */
 131 /* OBSOLETE   /* fill out fsr with the address of where each */ */
 132 /* OBSOLETE   /* register was stored in the frame */ */
 133 /* OBSOLETE   get_frame_saved_regs (frame, &fsr); */
 134 /* OBSOLETE  */
 135 /* OBSOLETE   /* now update the current registers with the old values */ */
 136 /* OBSOLETE   for (regnum = A0_REGNUM; regnum < A0_REGNUM + 2; regnum++) */
 137 /* OBSOLETE     { */
 138 /* OBSOLETE       if (fsr.regs[regnum]) */
 139 /* OBSOLETE     { */
 140 /* OBSOLETE       read_memory (fsr.regs[regnum], raw_buffer, 8); */
 141 /* OBSOLETE       write_register_bytes (REGISTER_BYTE (regnum), raw_buffer, 8); */
 142 /* OBSOLETE     } */
 143 /* OBSOLETE     } */
 144 /* OBSOLETE   for (regnum = 0; regnum < SP_REGNUM; regnum++) */
 145 /* OBSOLETE     { */
 146 /* OBSOLETE       if (fsr.regs[regnum]) */
 147 /* OBSOLETE     { */
 148 /* OBSOLETE       write_register (regnum, read_memory_unsigned_integer (fsr.regs[regnum], 4)); */
 149 /* OBSOLETE     } */
 150 /* OBSOLETE     } */
 151 /* OBSOLETE   if (fsr.regs[PSW_REGNUM]) */
 152 /* OBSOLETE     { */
 153 /* OBSOLETE       write_register (PSW_REGNUM, read_memory_unsigned_integer (fsr.regs[PSW_REGNUM], 4)); */
 154 /* OBSOLETE     } */
 155 /* OBSOLETE  */
 156 /* OBSOLETE   write_register (PC_REGNUM, read_register (LR_REGNUM)); */
 157 /* OBSOLETE   write_register (SP_REGNUM, fp + frame->size); */
 158 /* OBSOLETE   target_store_registers (-1); */
 159 /* OBSOLETE   flush_cached_frames (); */
 160 /* OBSOLETE } */
 161 /* OBSOLETE  */
 162 /* OBSOLETE static int */
 163 /* OBSOLETE check_prologue (unsigned long op) */
 164 /* OBSOLETE { */
 165 /* OBSOLETE   /* add sp,sp,imm -- observed */ */
 166 /* OBSOLETE   if ((op & OP_MASK_ALL_BUT_IMM) == OP_ADD_SP_IMM) */
 167 /* OBSOLETE     return 1; */
 168 /* OBSOLETE  */
 169 /* OBSOLETE   /* add r22,sp,imm -- observed */ */
 170 /* OBSOLETE   if ((op & OP_MASK_ALL_BUT_IMM) == OP_ADD_R22_SP_IMM) */
 171 /* OBSOLETE     return 1; */
 172 /* OBSOLETE  */
 173 /* OBSOLETE   /* or  fp,r0,sp -- observed */ */
 174 /* OBSOLETE   if (op == OP_OR_FP_R0_SP) */
 175 /* OBSOLETE     return 1; */
 176 /* OBSOLETE  */
 177 /* OBSOLETE   /* nop */ */
 178 /* OBSOLETE   if ((op & OP_MASK_OPCODE) == OP_NOP) */
 179 /* OBSOLETE     return 1; */
 180 /* OBSOLETE  */
 181 /* OBSOLETE   /* stw  Ra,@(sp,r0) */ */
 182 /* OBSOLETE   if ((op & OP_MASK_ALL_BUT_RA) == OP_STW_SP_R0) */
 183 /* OBSOLETE     return 1; */
 184 /* OBSOLETE  */
 185 /* OBSOLETE   /* stw  Ra,@(sp,0x0) */ */
 186 /* OBSOLETE   if ((op & OP_MASK_ALL_BUT_RA) == OP_STW_SP_IMM0) */
 187 /* OBSOLETE     return 1; */
 188 /* OBSOLETE  */
 189 /* OBSOLETE   /* st2w  Ra,@(sp,r0) */ */
 190 /* OBSOLETE   if ((op & OP_MASK_ALL_BUT_RA) == OP_ST2W_SP_R0) */
 191 /* OBSOLETE     return 1; */
 192 /* OBSOLETE  */
 193 /* OBSOLETE   /* st2w  Ra,@(sp,0x0) */ */
 194 /* OBSOLETE   if ((op & OP_MASK_ALL_BUT_RA) == OP_ST2W_SP_IMM0) */
 195 /* OBSOLETE     return 1; */
 196 /* OBSOLETE  */
 197 /* OBSOLETE   /* stw fp, @(r22+,r0) -- observed */ */
 198 /* OBSOLETE   if (op == OP_STW_FP_R22P_R0) */
 199 /* OBSOLETE     return 1; */
 200 /* OBSOLETE  */
 201 /* OBSOLETE   /* stw r62, @(r22+,r0) -- observed */ */
 202 /* OBSOLETE   if (op == OP_STW_LR_R22P_R0) */
 203 /* OBSOLETE     return 1; */
 204 /* OBSOLETE  */
 205 /* OBSOLETE   /* stw Ra, @(fp,r0) -- observed */ */
 206 /* OBSOLETE   if ((op & OP_MASK_ALL_BUT_RA) == OP_STW_FP_R0) */
 207 /* OBSOLETE     return 1;                       /* first arg */ */
 208 /* OBSOLETE  */
 209 /* OBSOLETE   /* stw Ra, @(fp,imm) -- observed */ */
 210 /* OBSOLETE   if ((op & OP_MASK_OP_AND_RB) == OP_STW_FP_IMM) */
 211 /* OBSOLETE     return 1;                       /* second and subsequent args */ */
 212 /* OBSOLETE  */
 213 /* OBSOLETE   /* stw fp,@(sp,imm) -- observed */ */
 214 /* OBSOLETE   if ((op & OP_MASK_ALL_BUT_IMM) == OP_STW_FP_SP_IMM) */
 215 /* OBSOLETE     return 1; */
 216 /* OBSOLETE  */
 217 /* OBSOLETE   /* st2w Ra,@(r22+,r0) */ */
 218 /* OBSOLETE   if ((op & OP_MASK_ALL_BUT_RA) == OP_ST2W_R22P_R0) */
 219 /* OBSOLETE     return 1; */
 220 /* OBSOLETE  */
 221 /* OBSOLETE   /* stw  Ra, @(sp-) */ */
 222 /* OBSOLETE   if ((op & OP_MASK_ALL_BUT_RA) == OP_STW_SPM) */
 223 /* OBSOLETE     return 1; */
 224 /* OBSOLETE  */
 225 /* OBSOLETE   /* st2w  Ra, @(sp-) */ */
 226 /* OBSOLETE   if ((op & OP_MASK_ALL_BUT_RA) == OP_ST2W_SPM) */
 227 /* OBSOLETE     return 1; */
 228 /* OBSOLETE  */
 229 /* OBSOLETE   /* sub.?  sp,sp,imm */ */
 230 /* OBSOLETE   if ((op & OP_MASK_ALL_BUT_IMM) == OP_SUB_SP_IMM) */
 231 /* OBSOLETE     return 1; */
 232 /* OBSOLETE  */
 233 /* OBSOLETE   return 0; */
 234 /* OBSOLETE } */
 235 /* OBSOLETE  */
 236 /* OBSOLETE CORE_ADDR */
 237 /* OBSOLETE d30v_skip_prologue (CORE_ADDR pc) */
 238 /* OBSOLETE { */
 239 /* OBSOLETE   unsigned long op[2]; */
 240 /* OBSOLETE   unsigned long opl, opr;   /* left / right sub operations */ */
 241 /* OBSOLETE   unsigned long fm0, fm1;   /* left / right mode bits */ */
 242 /* OBSOLETE   unsigned long cc0, cc1; */
 243 /* OBSOLETE   unsigned long op1, op2; */
 244 /* OBSOLETE   CORE_ADDR func_addr, func_end; */
 245 /* OBSOLETE   struct symtab_and_line sal; */
 246 /* OBSOLETE  */
 247 /* OBSOLETE   /* If we have line debugging information, then the end of the */ */
 248 /* OBSOLETE   /* prologue should the first assembly instruction of  the first source line */ */
 249 /* OBSOLETE   if (find_pc_partial_function (pc, NULL, &func_addr, &func_end)) */
 250 /* OBSOLETE     { */
 251 /* OBSOLETE       sal = find_pc_line (func_addr, 0); */
 252 /* OBSOLETE       if (sal.end && sal.end < func_end) */
 253 /* OBSOLETE     return sal.end; */
 254 /* OBSOLETE     } */
 255 /* OBSOLETE  */
 256 /* OBSOLETE   if (target_read_memory (pc, (char *) &op[0], 8)) */
 257 /* OBSOLETE     return pc;                      /* Can't access it -- assume no prologue. */ */
 258 /* OBSOLETE  */
 259 /* OBSOLETE   while (1) */
 260 /* OBSOLETE     { */
 261 /* OBSOLETE       opl = (unsigned long) read_memory_integer (pc, 4); */
 262 /* OBSOLETE       opr = (unsigned long) read_memory_integer (pc + 4, 4); */
 263 /* OBSOLETE  */
 264 /* OBSOLETE       fm0 = (opl & OP_MASK_FM_BIT); */
 265 /* OBSOLETE       fm1 = (opr & OP_MASK_FM_BIT); */
 266 /* OBSOLETE  */
 267 /* OBSOLETE       cc0 = (opl & OP_MASK_CC_BITS); */
 268 /* OBSOLETE       cc1 = (opr & OP_MASK_CC_BITS); */
 269 /* OBSOLETE  */
 270 /* OBSOLETE       opl = (opl & OP_MASK_SUB_INST); */
 271 /* OBSOLETE       opr = (opr & OP_MASK_SUB_INST); */
 272 /* OBSOLETE  */
 273 /* OBSOLETE       if (fm0 && fm1) */
 274 /* OBSOLETE     { */
 275 /* OBSOLETE       /* long instruction (opl contains the opcode) */ */
 276 /* OBSOLETE       if (((opl & OP_MASK_ALL_BUT_IMM) != OP_ADD_SP_IMM) &&         /* add sp,sp,imm */ */
 277 /* OBSOLETE           ((opl & OP_MASK_ALL_BUT_IMM) != OP_ADD_R22_SP_IMM) &&     /* add r22,sp,imm */ */
 278 /* OBSOLETE           ((opl & OP_MASK_OP_AND_RB) != OP_STW_SP_IMM) &&   /* stw Ra, @(sp,imm) */ */
 279 /* OBSOLETE           ((opl & OP_MASK_OP_AND_RB) != OP_ST2W_SP_IMM))    /* st2w Ra, @(sp,imm) */ */
 280 /* OBSOLETE         break; */
 281 /* OBSOLETE     } */
 282 /* OBSOLETE       else */
 283 /* OBSOLETE     { */
 284 /* OBSOLETE       /* short instructions */ */
 285 /* OBSOLETE       if (fm0 && !fm1) */
 286 /* OBSOLETE         { */
 287 /* OBSOLETE           op1 = opr; */
 288 /* OBSOLETE           op2 = opl; */
 289 /* OBSOLETE         } */
 290 /* OBSOLETE       else */
 291 /* OBSOLETE         { */
 292 /* OBSOLETE           op1 = opl; */
 293 /* OBSOLETE           op2 = opr; */
 294 /* OBSOLETE         } */
 295 /* OBSOLETE       if (check_prologue (op1)) */
 296 /* OBSOLETE         { */
 297 /* OBSOLETE           if (!check_prologue (op2)) */
 298 /* OBSOLETE             { */
 299 /* OBSOLETE               /* if the previous opcode was really part of the prologue */ */
 300 /* OBSOLETE               /* and not just a NOP, then we want to break after both instructions */ */
 301 /* OBSOLETE               if ((op1 & OP_MASK_OPCODE) != OP_NOP) */
 302 /* OBSOLETE                 pc += 8; */
 303 /* OBSOLETE               break; */
 304 /* OBSOLETE             } */
 305 /* OBSOLETE         } */
 306 /* OBSOLETE       else */
 307 /* OBSOLETE         break; */
 308 /* OBSOLETE     } */
 309 /* OBSOLETE       pc += 8; */
 310 /* OBSOLETE     } */
 311 /* OBSOLETE   return pc; */
 312 /* OBSOLETE } */
 313 /* OBSOLETE  */
 314 /* OBSOLETE static int end_of_stack; */
 315 /* OBSOLETE  */
 316 /* OBSOLETE /* Given a GDB frame, determine the address of the calling function's frame. */
 317 /* OBSOLETE    This will be used to create a new GDB frame struct, and then */
 318 /* OBSOLETE    INIT_EXTRA_FRAME_INFO and INIT_FRAME_PC will be called for the new frame. */
 319 /* OBSOLETE  */ */
 320 /* OBSOLETE  */
 321 /* OBSOLETE CORE_ADDR */
 322 /* OBSOLETE d30v_frame_chain (struct frame_info *frame) */
 323 /* OBSOLETE { */
 324 /* OBSOLETE   struct frame_saved_regs fsr; */
 325 /* OBSOLETE  */
 326 /* OBSOLETE   d30v_frame_find_saved_regs (frame, &fsr); */
 327 /* OBSOLETE  */
 328 /* OBSOLETE   if (end_of_stack) */
 329 /* OBSOLETE     return (CORE_ADDR) 0; */
 330 /* OBSOLETE  */
 331 /* OBSOLETE   if (frame->return_pc == IMEM_START) */
 332 /* OBSOLETE     return (CORE_ADDR) 0; */
 333 /* OBSOLETE  */
 334 /* OBSOLETE   if (!fsr.regs[FP_REGNUM]) */
 335 /* OBSOLETE     { */
 336 /* OBSOLETE       if (!fsr.regs[SP_REGNUM] || fsr.regs[SP_REGNUM] == STACK_START) */
 337 /* OBSOLETE     return (CORE_ADDR) 0; */
 338 /* OBSOLETE  */
 339 /* OBSOLETE       return fsr.regs[SP_REGNUM]; */
 340 /* OBSOLETE     } */
 341 /* OBSOLETE  */
 342 /* OBSOLETE   if (!read_memory_unsigned_integer (fsr.regs[FP_REGNUM], 4)) */
 343 /* OBSOLETE     return (CORE_ADDR) 0; */
 344 /* OBSOLETE  */
 345 /* OBSOLETE   return read_memory_unsigned_integer (fsr.regs[FP_REGNUM], 4); */
 346 /* OBSOLETE } */
 347 /* OBSOLETE  */
 348 /* OBSOLETE static int next_addr, uses_frame; */
 349 /* OBSOLETE static int frame_size; */
 350 /* OBSOLETE  */
 351 /* OBSOLETE static int */
 352 /* OBSOLETE prologue_find_regs (unsigned long op, struct frame_saved_regs *fsr, */
 353 /* OBSOLETE                 CORE_ADDR addr) */
 354 /* OBSOLETE { */
 355 /* OBSOLETE   int n; */
 356 /* OBSOLETE   int offset; */
 357 /* OBSOLETE  */
 358 /* OBSOLETE   /* add sp,sp,imm -- observed */ */
 359 /* OBSOLETE   if ((op & OP_MASK_ALL_BUT_IMM) == OP_ADD_SP_IMM) */
 360 /* OBSOLETE     { */
 361 /* OBSOLETE       offset = EXTRACT_IMM6 (op); */
 362 /* OBSOLETE       /*next_addr += offset; */ */
 363 /* OBSOLETE       frame_size += -offset; */
 364 /* OBSOLETE       return 1; */
 365 /* OBSOLETE     } */
 366 /* OBSOLETE  */
 367 /* OBSOLETE   /* add r22,sp,imm -- observed */ */
 368 /* OBSOLETE   if ((op & OP_MASK_ALL_BUT_IMM) == OP_ADD_R22_SP_IMM) */
 369 /* OBSOLETE     { */
 370 /* OBSOLETE       offset = EXTRACT_IMM6 (op); */
 371 /* OBSOLETE       next_addr = (offset - frame_size); */
 372 /* OBSOLETE       return 1; */
 373 /* OBSOLETE     } */
 374 /* OBSOLETE  */
 375 /* OBSOLETE   /* stw Ra, @(fp, offset) -- observed */ */
 376 /* OBSOLETE   if ((op & OP_MASK_OP_AND_RB) == OP_STW_FP_IMM) */
 377 /* OBSOLETE     { */
 378 /* OBSOLETE       n = EXTRACT_RA (op); */
 379 /* OBSOLETE       offset = EXTRACT_IMM6 (op); */
 380 /* OBSOLETE       fsr->regs[n] = (offset - frame_size); */
 381 /* OBSOLETE       return 1; */
 382 /* OBSOLETE     } */
 383 /* OBSOLETE  */
 384 /* OBSOLETE   /* stw Ra, @(fp, r0) -- observed */ */
 385 /* OBSOLETE   if ((op & OP_MASK_ALL_BUT_RA) == OP_STW_FP_R0) */
 386 /* OBSOLETE     { */
 387 /* OBSOLETE       n = EXTRACT_RA (op); */
 388 /* OBSOLETE       fsr->regs[n] = (-frame_size); */
 389 /* OBSOLETE       return 1; */
 390 /* OBSOLETE     } */
 391 /* OBSOLETE  */
 392 /* OBSOLETE   /* or  fp,0,sp -- observed */ */
 393 /* OBSOLETE   if ((op == OP_OR_FP_R0_SP) || */
 394 /* OBSOLETE       (op == OP_OR_FP_SP_R0) || */
 395 /* OBSOLETE       (op == OP_OR_FP_IMM0_SP)) */
 396 /* OBSOLETE     { */
 397 /* OBSOLETE       uses_frame = 1; */
 398 /* OBSOLETE       return 1; */
 399 /* OBSOLETE     } */
 400 /* OBSOLETE  */
 401 /* OBSOLETE   /* nop */ */
 402 /* OBSOLETE   if ((op & OP_MASK_OPCODE) == OP_NOP) */
 403 /* OBSOLETE     return 1; */
 404 /* OBSOLETE  */
 405 /* OBSOLETE   /* stw Ra,@(r22+,r0) -- observed */ */
 406 /* OBSOLETE   if ((op & OP_MASK_ALL_BUT_RA) == OP_STW_R22P_R0) */
 407 /* OBSOLETE     { */
 408 /* OBSOLETE       n = EXTRACT_RA (op); */
 409 /* OBSOLETE       fsr->regs[n] = next_addr; */
 410 /* OBSOLETE       next_addr += 4; */
 411 /* OBSOLETE       return 1; */
 412 /* OBSOLETE     } */
 413 /* OBSOLETE #if 0                               /* subsumed in pattern above */ */
 414 /* OBSOLETE   /* stw fp,@(r22+,r0) -- observed */ */
 415 /* OBSOLETE   if (op == OP_STW_FP_R22P_R0) */
 416 /* OBSOLETE     { */
 417 /* OBSOLETE       fsr->regs[FP_REGNUM] = next_addr;             /* XXX */ */
 418 /* OBSOLETE       next_addr += 4; */
 419 /* OBSOLETE       return 1; */
 420 /* OBSOLETE     } */
 421 /* OBSOLETE  */
 422 /* OBSOLETE   /* stw r62,@(r22+,r0) -- observed */ */
 423 /* OBSOLETE   if (op == OP_STW_LR_R22P_R0) */
 424 /* OBSOLETE     { */
 425 /* OBSOLETE       fsr->regs[LR_REGNUM] = next_addr; */
 426 /* OBSOLETE       next_addr += 4; */
 427 /* OBSOLETE       return 1; */
 428 /* OBSOLETE     } */
 429 /* OBSOLETE #endif */
 430 /* OBSOLETE   /* st2w Ra,@(r22+,r0) -- observed */ */
 431 /* OBSOLETE   if ((op & OP_MASK_ALL_BUT_RA) == OP_ST2W_R22P_R0) */
 432 /* OBSOLETE     { */
 433 /* OBSOLETE       n = EXTRACT_RA (op); */
 434 /* OBSOLETE       fsr->regs[n] = next_addr; */
 435 /* OBSOLETE       fsr->regs[n + 1] = next_addr + 4; */
 436 /* OBSOLETE       next_addr += 8; */
 437 /* OBSOLETE       return 1; */
 438 /* OBSOLETE     } */
 439 /* OBSOLETE  */
 440 /* OBSOLETE   /* stw  rn, @(sp-) */ */
 441 /* OBSOLETE   if ((op & OP_MASK_ALL_BUT_RA) == OP_STW_SPM) */
 442 /* OBSOLETE     { */
 443 /* OBSOLETE       n = EXTRACT_RA (op); */
 444 /* OBSOLETE       fsr->regs[n] = next_addr; */
 445 /* OBSOLETE       next_addr -= 4; */
 446 /* OBSOLETE       return 1; */
 447 /* OBSOLETE     } */
 448 /* OBSOLETE  */
 449 /* OBSOLETE   /* st2w  Ra, @(sp-) */ */
 450 /* OBSOLETE   else if ((op & OP_MASK_ALL_BUT_RA) == OP_ST2W_SPM) */
 451 /* OBSOLETE     { */
 452 /* OBSOLETE       n = EXTRACT_RA (op); */
 453 /* OBSOLETE       fsr->regs[n] = next_addr; */
 454 /* OBSOLETE       fsr->regs[n + 1] = next_addr + 4; */
 455 /* OBSOLETE       next_addr -= 8; */
 456 /* OBSOLETE       return 1; */
 457 /* OBSOLETE     } */
 458 /* OBSOLETE  */
 459 /* OBSOLETE   /* sub  sp,sp,imm */ */
 460 /* OBSOLETE   if ((op & OP_MASK_ALL_BUT_IMM) == OP_SUB_SP_IMM) */
 461 /* OBSOLETE     { */
 462 /* OBSOLETE       offset = EXTRACT_IMM6 (op); */
 463 /* OBSOLETE       frame_size += -offset; */
 464 /* OBSOLETE       return 1; */
 465 /* OBSOLETE     } */
 466 /* OBSOLETE  */
 467 /* OBSOLETE   /* st  rn, @(sp,0) -- observed */ */
 468 /* OBSOLETE   if (((op & OP_MASK_ALL_BUT_RA) == OP_STW_SP_R0) || */
 469 /* OBSOLETE       ((op & OP_MASK_ALL_BUT_RA) == OP_STW_SP_IMM0)) */
 470 /* OBSOLETE     { */
 471 /* OBSOLETE       n = EXTRACT_RA (op); */
 472 /* OBSOLETE       fsr->regs[n] = (-frame_size); */
 473 /* OBSOLETE       return 1; */
 474 /* OBSOLETE     } */
 475 /* OBSOLETE  */
 476 /* OBSOLETE   /* st2w  rn, @(sp,0) */ */
 477 /* OBSOLETE   if (((op & OP_MASK_ALL_BUT_RA) == OP_ST2W_SP_R0) || */
 478 /* OBSOLETE       ((op & OP_MASK_ALL_BUT_RA) == OP_ST2W_SP_IMM0)) */
 479 /* OBSOLETE     { */
 480 /* OBSOLETE       n = EXTRACT_RA (op); */
 481 /* OBSOLETE       fsr->regs[n] = (-frame_size); */
 482 /* OBSOLETE       fsr->regs[n + 1] = (-frame_size) + 4; */
 483 /* OBSOLETE       return 1; */
 484 /* OBSOLETE     } */
 485 /* OBSOLETE  */
 486 /* OBSOLETE   /* stw fp,@(sp,imm) -- observed */ */
 487 /* OBSOLETE   if ((op & OP_MASK_ALL_BUT_IMM) == OP_STW_FP_SP_IMM) */
 488 /* OBSOLETE     { */
 489 /* OBSOLETE       offset = EXTRACT_IMM6 (op); */
 490 /* OBSOLETE       fsr->regs[FP_REGNUM] = (offset - frame_size); */
 491 /* OBSOLETE       return 1; */
 492 /* OBSOLETE     } */
 493 /* OBSOLETE   return 0; */
 494 /* OBSOLETE } */
 495 /* OBSOLETE  */
 496 /* OBSOLETE /* Put here the code to store, into a struct frame_saved_regs, the */
 497 /* OBSOLETE    addresses of the saved registers of frame described by FRAME_INFO. */
 498 /* OBSOLETE    This includes special registers such as pc and fp saved in special */
 499 /* OBSOLETE    ways in the stack frame.  sp is even more special: the address we */
 500 /* OBSOLETE    return for it IS the sp for the next frame. */ */
 501 /* OBSOLETE void */
 502 /* OBSOLETE d30v_frame_find_saved_regs (struct frame_info *fi, struct frame_saved_regs *fsr) */
 503 /* OBSOLETE { */
 504 /* OBSOLETE   CORE_ADDR fp, pc; */
 505 /* OBSOLETE   unsigned long opl, opr; */
 506 /* OBSOLETE   unsigned long op1, op2; */
 507 /* OBSOLETE   unsigned long fm0, fm1; */
 508 /* OBSOLETE   int i; */
 509 /* OBSOLETE  */
 510 /* OBSOLETE   fp = fi->frame; */
 511 /* OBSOLETE   memset (fsr, 0, sizeof (*fsr)); */
 512 /* OBSOLETE   next_addr = 0; */
 513 /* OBSOLETE   frame_size = 0; */
 514 /* OBSOLETE   end_of_stack = 0; */
 515 /* OBSOLETE  */
 516 /* OBSOLETE   uses_frame = 0; */
 517 /* OBSOLETE  */
 518 /* OBSOLETE   d30v_frame_find_saved_regs_offsets (fi, fsr); */
 519 /* OBSOLETE  */
 520 /* OBSOLETE   fi->size = frame_size; */
 521 /* OBSOLETE  */
 522 /* OBSOLETE   if (!fp) */
 523 /* OBSOLETE     fp = read_register (SP_REGNUM); */
 524 /* OBSOLETE  */
 525 /* OBSOLETE   for (i = 0; i < NUM_REGS - 1; i++) */
 526 /* OBSOLETE     if (fsr->regs[i]) */
 527 /* OBSOLETE       { */
 528 /* OBSOLETE     fsr->regs[i] = fsr->regs[i] + fp + frame_size; */
 529 /* OBSOLETE       } */
 530 /* OBSOLETE  */
 531 /* OBSOLETE   if (fsr->regs[LR_REGNUM]) */
 532 /* OBSOLETE     fi->return_pc = read_memory_unsigned_integer (fsr->regs[LR_REGNUM], 4); */
 533 /* OBSOLETE   else */
 534 /* OBSOLETE     fi->return_pc = read_register (LR_REGNUM); */
 535 /* OBSOLETE  */
 536 /* OBSOLETE   /* the SP is not normally (ever?) saved, but check anyway */ */
 537 /* OBSOLETE   if (!fsr->regs[SP_REGNUM]) */
 538 /* OBSOLETE     { */
 539 /* OBSOLETE       /* if the FP was saved, that means the current FP is valid, */ */
 540 /* OBSOLETE       /* otherwise, it isn't being used, so we use the SP instead */ */
 541 /* OBSOLETE       if (uses_frame) */
 542 /* OBSOLETE     fsr->regs[SP_REGNUM] = read_register (FP_REGNUM) + fi->size; */
 543 /* OBSOLETE       else */
 544 /* OBSOLETE     { */
 545 /* OBSOLETE       fsr->regs[SP_REGNUM] = fp + fi->size; */
 546 /* OBSOLETE       fi->frameless = 1; */
 547 /* OBSOLETE       fsr->regs[FP_REGNUM] = 0; */
 548 /* OBSOLETE     } */
 549 /* OBSOLETE     } */
 550 /* OBSOLETE } */
 551 /* OBSOLETE  */
 552 /* OBSOLETE void */
 553 /* OBSOLETE d30v_frame_find_saved_regs_offsets (struct frame_info *fi, */
 554 /* OBSOLETE                                 struct frame_saved_regs *fsr) */
 555 /* OBSOLETE { */
 556 /* OBSOLETE   CORE_ADDR fp, pc; */
 557 /* OBSOLETE   unsigned long opl, opr; */
 558 /* OBSOLETE   unsigned long op1, op2; */
 559 /* OBSOLETE   unsigned long fm0, fm1; */
 560 /* OBSOLETE   int i; */
 561 /* OBSOLETE  */
 562 /* OBSOLETE   fp = fi->frame; */
 563 /* OBSOLETE   memset (fsr, 0, sizeof (*fsr)); */
 564 /* OBSOLETE   next_addr = 0; */
 565 /* OBSOLETE   frame_size = 0; */
 566 /* OBSOLETE   end_of_stack = 0; */
 567 /* OBSOLETE  */
 568 /* OBSOLETE   pc = get_pc_function_start (fi->pc); */
 569 /* OBSOLETE  */
 570 /* OBSOLETE   uses_frame = 0; */
 571 /* OBSOLETE   while (pc < fi->pc) */
 572 /* OBSOLETE     { */
 573 /* OBSOLETE       opl = (unsigned long) read_memory_integer (pc, 4); */
 574 /* OBSOLETE       opr = (unsigned long) read_memory_integer (pc + 4, 4); */
 575 /* OBSOLETE  */
 576 /* OBSOLETE       fm0 = (opl & OP_MASK_FM_BIT); */
 577 /* OBSOLETE       fm1 = (opr & OP_MASK_FM_BIT); */
 578 /* OBSOLETE  */
 579 /* OBSOLETE       opl = (opl & OP_MASK_SUB_INST); */
 580 /* OBSOLETE       opr = (opr & OP_MASK_SUB_INST); */
 581 /* OBSOLETE  */
 582 /* OBSOLETE       if (fm0 && fm1) */
 583 /* OBSOLETE     { */
 584 /* OBSOLETE       /* long instruction */ */
 585 /* OBSOLETE       if ((opl & OP_MASK_ALL_BUT_IMM) == OP_ADD_SP_IMM) */
 586 /* OBSOLETE         { */
 587 /* OBSOLETE           /* add sp,sp,n */ */
 588 /* OBSOLETE           long offset = EXTRACT_IMM32 (opl, opr); */
 589 /* OBSOLETE           frame_size += -offset; */
 590 /* OBSOLETE         } */
 591 /* OBSOLETE       else if ((opl & OP_MASK_ALL_BUT_IMM) == OP_ADD_R22_SP_IMM) */
 592 /* OBSOLETE         { */
 593 /* OBSOLETE           /* add r22,sp,offset */ */
 594 /* OBSOLETE           long offset = EXTRACT_IMM32 (opl, opr); */
 595 /* OBSOLETE           next_addr = (offset - frame_size); */
 596 /* OBSOLETE         } */
 597 /* OBSOLETE       else if ((opl & OP_MASK_OP_AND_RB) == OP_STW_SP_IMM) */
 598 /* OBSOLETE         { */
 599 /* OBSOLETE           /* st Ra, @(sp,imm) */ */
 600 /* OBSOLETE           long offset = EXTRACT_IMM32 (opl, opr); */
 601 /* OBSOLETE           short n = EXTRACT_RA (opl); */
 602 /* OBSOLETE           fsr->regs[n] = (offset - frame_size); */
 603 /* OBSOLETE         } */
 604 /* OBSOLETE       else if ((opl & OP_MASK_OP_AND_RB) == OP_ST2W_SP_IMM) */
 605 /* OBSOLETE         { */
 606 /* OBSOLETE           /* st2w Ra, @(sp,offset) */ */
 607 /* OBSOLETE           long offset = EXTRACT_IMM32 (opl, opr); */
 608 /* OBSOLETE           short n = EXTRACT_RA (opl); */
 609 /* OBSOLETE           fsr->regs[n] = (offset - frame_size); */
 610 /* OBSOLETE           fsr->regs[n + 1] = (offset - frame_size) + 4; */
 611 /* OBSOLETE         } */
 612 /* OBSOLETE       else if ((opl & OP_MASK_ALL_BUT_IMM) == OP_OR_SP_R0_IMM) */
 613 /* OBSOLETE         { */
 614 /* OBSOLETE           end_of_stack = 1; */
 615 /* OBSOLETE         } */
 616 /* OBSOLETE       else */
 617 /* OBSOLETE         break; */
 618 /* OBSOLETE     } */
 619 /* OBSOLETE       else */
 620 /* OBSOLETE     { */
 621 /* OBSOLETE       /* short instructions */ */
 622 /* OBSOLETE       if (fm0 && !fm1) */
 623 /* OBSOLETE         { */
 624 /* OBSOLETE           op2 = opl; */
 625 /* OBSOLETE           op1 = opr; */
 626 /* OBSOLETE         } */
 627 /* OBSOLETE       else */
 628 /* OBSOLETE         { */
 629 /* OBSOLETE           op1 = opl; */
 630 /* OBSOLETE           op2 = opr; */
 631 /* OBSOLETE         } */
 632 /* OBSOLETE       if (!prologue_find_regs (op1, fsr, pc) || !prologue_find_regs (op2, fsr, pc)) */
 633 /* OBSOLETE         break; */
 634 /* OBSOLETE     } */
 635 /* OBSOLETE       pc += 8; */
 636 /* OBSOLETE     } */
 637 /* OBSOLETE  */
 638 /* OBSOLETE #if 0 */
 639 /* OBSOLETE   fi->size = frame_size; */
 640 /* OBSOLETE  */
 641 /* OBSOLETE   if (!fp) */
 642 /* OBSOLETE     fp = read_register (SP_REGNUM); */
 643 /* OBSOLETE  */
 644 /* OBSOLETE   for (i = 0; i < NUM_REGS - 1; i++) */
 645 /* OBSOLETE     if (fsr->regs[i]) */
 646 /* OBSOLETE       { */
 647 /* OBSOLETE     fsr->regs[i] = fsr->regs[i] + fp + frame_size; */
 648 /* OBSOLETE       } */
 649 /* OBSOLETE  */
 650 /* OBSOLETE   if (fsr->regs[LR_REGNUM]) */
 651 /* OBSOLETE     fi->return_pc = read_memory_unsigned_integer (fsr->regs[LR_REGNUM], 4); */
 652 /* OBSOLETE   else */
 653 /* OBSOLETE     fi->return_pc = read_register (LR_REGNUM); */
 654 /* OBSOLETE  */
 655 /* OBSOLETE   /* the SP is not normally (ever?) saved, but check anyway */ */
 656 /* OBSOLETE   if (!fsr->regs[SP_REGNUM]) */
 657 /* OBSOLETE     { */
 658 /* OBSOLETE       /* if the FP was saved, that means the current FP is valid, */ */
 659 /* OBSOLETE       /* otherwise, it isn't being used, so we use the SP instead */ */
 660 /* OBSOLETE       if (uses_frame) */
 661 /* OBSOLETE     fsr->regs[SP_REGNUM] = read_register (FP_REGNUM) + fi->size; */
 662 /* OBSOLETE       else */
 663 /* OBSOLETE     { */
 664 /* OBSOLETE       fsr->regs[SP_REGNUM] = fp + fi->size; */
 665 /* OBSOLETE       fi->frameless = 1; */
 666 /* OBSOLETE       fsr->regs[FP_REGNUM] = 0; */
 667 /* OBSOLETE     } */
 668 /* OBSOLETE     } */
 669 /* OBSOLETE #endif */
 670 /* OBSOLETE } */
 671 /* OBSOLETE  */
 672 /* OBSOLETE void */
 673 /* OBSOLETE d30v_init_extra_frame_info (int fromleaf, struct frame_info *fi) */
 674 /* OBSOLETE { */
 675 /* OBSOLETE   struct frame_saved_regs dummy; */
 676 /* OBSOLETE  */
 677 /* OBSOLETE   if (fi->next && (fi->pc == 0)) */
 678 /* OBSOLETE     fi->pc = fi->next->return_pc; */
 679 /* OBSOLETE  */
 680 /* OBSOLETE   d30v_frame_find_saved_regs_offsets (fi, &dummy); */
 681 /* OBSOLETE  */
 682 /* OBSOLETE   if (uses_frame == 0) */
 683 /* OBSOLETE     fi->frameless = 1; */
 684 /* OBSOLETE   else */
 685 /* OBSOLETE     fi->frameless = 0; */
 686 /* OBSOLETE  */
 687 /* OBSOLETE   if ((fi->next == 0) && (uses_frame == 0)) */
 688 /* OBSOLETE     /* innermost frame and it's "frameless", */
 689 /* OBSOLETE        so the fi->frame field is wrong, fix it! */ */
 690 /* OBSOLETE     fi->frame = read_sp (); */
 691 /* OBSOLETE  */
 692 /* OBSOLETE   if (dummy.regs[LR_REGNUM]) */
 693 /* OBSOLETE     { */
 694 /* OBSOLETE       /* it was saved, grab it! */ */
 695 /* OBSOLETE       dummy.regs[LR_REGNUM] += (fi->frame + frame_size); */
 696 /* OBSOLETE       fi->return_pc = read_memory_unsigned_integer (dummy.regs[LR_REGNUM], 4); */
 697 /* OBSOLETE     } */
 698 /* OBSOLETE   else */
 699 /* OBSOLETE     fi->return_pc = read_register (LR_REGNUM); */
 700 /* OBSOLETE } */
 701 /* OBSOLETE  */
 702 /* OBSOLETE void */
 703 /* OBSOLETE d30v_init_frame_pc (int fromleaf, struct frame_info *prev) */
 704 /* OBSOLETE { */
 705 /* OBSOLETE   /* default value, put here so we can breakpoint on it and */
 706 /* OBSOLETE      see if the default value is really the right thing to use */ */
 707 /* OBSOLETE   prev->pc = (fromleaf ? SAVED_PC_AFTER_CALL (prev->next) : \ */
 708 /* OBSOLETE           prev->next ? FRAME_SAVED_PC (prev->next) : read_pc ()); */
 709 /* OBSOLETE } */
 710 /* OBSOLETE  */
 711 /* OBSOLETE static void d30v_print_register (int regnum, int tabular); */
 712 /* OBSOLETE  */
 713 /* OBSOLETE static void */
 714 /* OBSOLETE d30v_print_register (int regnum, int tabular) */
 715 /* OBSOLETE { */
 716 /* OBSOLETE   if (regnum < A0_REGNUM) */
 717 /* OBSOLETE     { */
 718 /* OBSOLETE       if (tabular) */
 719 /* OBSOLETE     printf_filtered ("%08lx", (long) read_register (regnum)); */
 720 /* OBSOLETE       else */
 721 /* OBSOLETE     printf_filtered ("0x%lx %ld", */
 722 /* OBSOLETE                      (long) read_register (regnum), */
 723 /* OBSOLETE                      (long) read_register (regnum)); */
 724 /* OBSOLETE     } */
 725 /* OBSOLETE   else */
 726 /* OBSOLETE     { */
 727 /* OBSOLETE       char regbuf[MAX_REGISTER_RAW_SIZE]; */
 728 /* OBSOLETE  */
 729 /* OBSOLETE       frame_register_read (selected_frame, regnum, regbuf); */
 730 /* OBSOLETE  */
 731 /* OBSOLETE       val_print (REGISTER_VIRTUAL_TYPE (regnum), regbuf, 0, 0, */
 732 /* OBSOLETE              gdb_stdout, 'x', 1, 0, Val_pretty_default); */
 733 /* OBSOLETE  */
 734 /* OBSOLETE       if (!tabular) */
 735 /* OBSOLETE     { */
 736 /* OBSOLETE       printf_filtered ("    "); */
 737 /* OBSOLETE       val_print (REGISTER_VIRTUAL_TYPE (regnum), regbuf, 0, 0, */
 738 /* OBSOLETE                  gdb_stdout, 'd', 1, 0, Val_pretty_default); */
 739 /* OBSOLETE     } */
 740 /* OBSOLETE     } */
 741 /* OBSOLETE } */
 742 /* OBSOLETE  */
 743 /* OBSOLETE static void */
 744 /* OBSOLETE d30v_print_flags (void) */
 745 /* OBSOLETE { */
 746 /* OBSOLETE   long psw = read_register (PSW_REGNUM); */
 747 /* OBSOLETE   printf_filtered ("flags #1"); */
 748 /* OBSOLETE   printf_filtered ("   (sm) %d", (psw & PSW_SM) != 0); */
 749 /* OBSOLETE   printf_filtered ("   (ea) %d", (psw & PSW_EA) != 0); */
 750 /* OBSOLETE   printf_filtered ("   (db) %d", (psw & PSW_DB) != 0); */
 751 /* OBSOLETE   printf_filtered ("   (ds) %d", (psw & PSW_DS) != 0); */
 752 /* OBSOLETE   printf_filtered ("   (ie) %d", (psw & PSW_IE) != 0); */
 753 /* OBSOLETE   printf_filtered ("   (rp) %d", (psw & PSW_RP) != 0); */
 754 /* OBSOLETE   printf_filtered ("   (md) %d\n", (psw & PSW_MD) != 0); */
 755 /* OBSOLETE  */
 756 /* OBSOLETE   printf_filtered ("flags #2"); */
 757 /* OBSOLETE   printf_filtered ("   (f0) %d", (psw & PSW_F0) != 0); */
 758 /* OBSOLETE   printf_filtered ("   (f1) %d", (psw & PSW_F1) != 0); */
 759 /* OBSOLETE   printf_filtered ("   (f2) %d", (psw & PSW_F2) != 0); */
 760 /* OBSOLETE   printf_filtered ("   (f3) %d", (psw & PSW_F3) != 0); */
 761 /* OBSOLETE   printf_filtered ("    (s) %d", (psw & PSW_S) != 0); */
 762 /* OBSOLETE   printf_filtered ("    (v) %d", (psw & PSW_V) != 0); */
 763 /* OBSOLETE   printf_filtered ("   (va) %d", (psw & PSW_VA) != 0); */
 764 /* OBSOLETE   printf_filtered ("    (c) %d\n", (psw & PSW_C) != 0); */
 765 /* OBSOLETE } */
 766 /* OBSOLETE  */
 767 /* OBSOLETE static void */
 768 /* OBSOLETE print_flags_command (char *args, int from_tty) */
 769 /* OBSOLETE { */
 770 /* OBSOLETE   d30v_print_flags (); */
 771 /* OBSOLETE } */
 772 /* OBSOLETE  */
 773 /* OBSOLETE void */
 774 /* OBSOLETE d30v_do_registers_info (int regnum, int fpregs) */
 775 /* OBSOLETE { */
 776 /* OBSOLETE   long long num1, num2; */
 777 /* OBSOLETE   long psw; */
 778 /* OBSOLETE  */
 779 /* OBSOLETE   if (regnum != -1) */
 780 /* OBSOLETE     { */
 781 /* OBSOLETE       if (REGISTER_NAME (0) == NULL || REGISTER_NAME (0)[0] == '\000') */
 782 /* OBSOLETE     return; */
 783 /* OBSOLETE  */
 784 /* OBSOLETE       printf_filtered ("%s ", REGISTER_NAME (regnum)); */
 785 /* OBSOLETE       d30v_print_register (regnum, 0); */
 786 /* OBSOLETE  */
 787 /* OBSOLETE       printf_filtered ("\n"); */
 788 /* OBSOLETE       return; */
 789 /* OBSOLETE     } */
 790 /* OBSOLETE  */
 791 /* OBSOLETE   /* Have to print all the registers.  Format them nicely.  */ */
 792 /* OBSOLETE  */
 793 /* OBSOLETE   printf_filtered ("PC="); */
 794 /* OBSOLETE   print_address (read_pc (), gdb_stdout); */
 795 /* OBSOLETE  */
 796 /* OBSOLETE   printf_filtered (" PSW="); */
 797 /* OBSOLETE   d30v_print_register (PSW_REGNUM, 1); */
 798 /* OBSOLETE  */
 799 /* OBSOLETE   printf_filtered (" BPC="); */
 800 /* OBSOLETE   print_address (read_register (BPC_REGNUM), gdb_stdout); */
 801 /* OBSOLETE  */
 802 /* OBSOLETE   printf_filtered (" BPSW="); */
 803 /* OBSOLETE   d30v_print_register (BPSW_REGNUM, 1); */
 804 /* OBSOLETE   printf_filtered ("\n"); */
 805 /* OBSOLETE  */
 806 /* OBSOLETE   printf_filtered ("DPC="); */
 807 /* OBSOLETE   print_address (read_register (DPC_REGNUM), gdb_stdout); */
 808 /* OBSOLETE  */
 809 /* OBSOLETE   printf_filtered (" DPSW="); */
 810 /* OBSOLETE   d30v_print_register (DPSW_REGNUM, 1); */
 811 /* OBSOLETE  */
 812 /* OBSOLETE   printf_filtered (" IBA="); */
 813 /* OBSOLETE   print_address (read_register (IBA_REGNUM), gdb_stdout); */
 814 /* OBSOLETE   printf_filtered ("\n"); */
 815 /* OBSOLETE  */
 816 /* OBSOLETE   printf_filtered ("RPT_C="); */
 817 /* OBSOLETE   d30v_print_register (RPT_C_REGNUM, 1); */
 818 /* OBSOLETE  */
 819 /* OBSOLETE   printf_filtered (" RPT_S="); */
 820 /* OBSOLETE   print_address (read_register (RPT_S_REGNUM), gdb_stdout); */
 821 /* OBSOLETE  */
 822 /* OBSOLETE   printf_filtered (" RPT_E="); */
 823 /* OBSOLETE   print_address (read_register (RPT_E_REGNUM), gdb_stdout); */
 824 /* OBSOLETE   printf_filtered ("\n"); */
 825 /* OBSOLETE  */
 826 /* OBSOLETE   printf_filtered ("MOD_S="); */
 827 /* OBSOLETE   print_address (read_register (MOD_S_REGNUM), gdb_stdout); */
 828 /* OBSOLETE  */
 829 /* OBSOLETE   printf_filtered (" MOD_E="); */
 830 /* OBSOLETE   print_address (read_register (MOD_E_REGNUM), gdb_stdout); */
 831 /* OBSOLETE   printf_filtered ("\n"); */
 832 /* OBSOLETE  */
 833 /* OBSOLETE   printf_filtered ("EIT_VB="); */
 834 /* OBSOLETE   print_address (read_register (EIT_VB_REGNUM), gdb_stdout); */
 835 /* OBSOLETE  */
 836 /* OBSOLETE   printf_filtered (" INT_S="); */
 837 /* OBSOLETE   d30v_print_register (INT_S_REGNUM, 1); */
 838 /* OBSOLETE  */
 839 /* OBSOLETE   printf_filtered (" INT_M="); */
 840 /* OBSOLETE   d30v_print_register (INT_M_REGNUM, 1); */
 841 /* OBSOLETE   printf_filtered ("\n"); */
 842 /* OBSOLETE  */
 843 /* OBSOLETE   d30v_print_flags (); */
 844 /* OBSOLETE   for (regnum = 0; regnum <= 63;) */
 845 /* OBSOLETE     { */
 846 /* OBSOLETE       int i; */
 847 /* OBSOLETE  */
 848 /* OBSOLETE       printf_filtered ("R%d-R%d ", regnum, regnum + 7); */
 849 /* OBSOLETE       if (regnum < 10) */
 850 /* OBSOLETE     printf_filtered (" "); */
 851 /* OBSOLETE       if (regnum + 7 < 10) */
 852 /* OBSOLETE     printf_filtered (" "); */
 853 /* OBSOLETE  */
 854 /* OBSOLETE       for (i = 0; i < 8; i++) */
 855 /* OBSOLETE     { */
 856 /* OBSOLETE       printf_filtered (" "); */
 857 /* OBSOLETE       d30v_print_register (regnum++, 1); */
 858 /* OBSOLETE     } */
 859 /* OBSOLETE  */
 860 /* OBSOLETE       printf_filtered ("\n"); */
 861 /* OBSOLETE     } */
 862 /* OBSOLETE  */
 863 /* OBSOLETE   printf_filtered ("A0-A1    "); */
 864 /* OBSOLETE  */
 865 /* OBSOLETE   d30v_print_register (A0_REGNUM, 1); */
 866 /* OBSOLETE   printf_filtered ("    "); */
 867 /* OBSOLETE   d30v_print_register (A1_REGNUM, 1); */
 868 /* OBSOLETE   printf_filtered ("\n"); */
 869 /* OBSOLETE } */
 870 /* OBSOLETE  */
 871 /* OBSOLETE CORE_ADDR */
 872 /* OBSOLETE d30v_fix_call_dummy (char *dummyname, CORE_ADDR start_sp, CORE_ADDR fun, */
 873 /* OBSOLETE                  int nargs, struct value **args, */
 874 /* OBSOLETE                  struct type *type, int gcc_p) */
 875 /* OBSOLETE { */
 876 /* OBSOLETE   int regnum; */
 877 /* OBSOLETE   CORE_ADDR sp; */
 878 /* OBSOLETE   char buffer[MAX_REGISTER_RAW_SIZE]; */
 879 /* OBSOLETE   struct frame_info *frame = get_current_frame (); */
 880 /* OBSOLETE   frame->dummy = start_sp; */
 881 /* OBSOLETE   /*start_sp |= DMEM_START; */ */
 882 /* OBSOLETE  */
 883 /* OBSOLETE   sp = start_sp; */
 884 /* OBSOLETE   for (regnum = 0; regnum < NUM_REGS; regnum++) */
 885 /* OBSOLETE     { */
 886 /* OBSOLETE       sp -= REGISTER_RAW_SIZE (regnum); */
 887 /* OBSOLETE       store_address (buffer, REGISTER_RAW_SIZE (regnum), read_register (regnum)); */
 888 /* OBSOLETE       write_memory (sp, buffer, REGISTER_RAW_SIZE (regnum)); */
 889 /* OBSOLETE     } */
 890 /* OBSOLETE   write_register (SP_REGNUM, (LONGEST) sp); */
 891 /* OBSOLETE   /* now we need to load LR with the return address */ */
 892 /* OBSOLETE   write_register (LR_REGNUM, (LONGEST) d30v_call_dummy_address ()); */
 893 /* OBSOLETE   return sp; */
 894 /* OBSOLETE } */
 895 /* OBSOLETE  */
 896 /* OBSOLETE static void */
 897 /* OBSOLETE d30v_pop_dummy_frame (struct frame_info *fi) */
 898 /* OBSOLETE { */
 899 /* OBSOLETE   CORE_ADDR sp = fi->dummy; */
 900 /* OBSOLETE   int regnum; */
 901 /* OBSOLETE  */
 902 /* OBSOLETE   for (regnum = 0; regnum < NUM_REGS; regnum++) */
 903 /* OBSOLETE     { */
 904 /* OBSOLETE       sp -= REGISTER_RAW_SIZE (regnum); */
 905 /* OBSOLETE       write_register (regnum, read_memory_unsigned_integer (sp, REGISTER_RAW_SIZE (regnum))); */
 906 /* OBSOLETE     } */
 907 /* OBSOLETE   flush_cached_frames ();   /* needed? */ */
 908 /* OBSOLETE } */
 909 /* OBSOLETE  */
 910 /* OBSOLETE  */
 911 /* OBSOLETE CORE_ADDR */
 912 /* OBSOLETE d30v_push_arguments (int nargs, struct value **args, CORE_ADDR sp, */
 913 /* OBSOLETE                  int struct_return, CORE_ADDR struct_addr) */
 914 /* OBSOLETE { */
 915 /* OBSOLETE   int i, len, index = 0, regnum = 2; */
 916 /* OBSOLETE   char buffer[4], *contents; */
 917 /* OBSOLETE   LONGEST val; */
 918 /* OBSOLETE   CORE_ADDR ptrs[10]; */
 919 /* OBSOLETE  */
 920 /* OBSOLETE #if 0 */
 921 /* OBSOLETE   /* Pass 1. Put all large args on stack */ */
 922 /* OBSOLETE   for (i = 0; i < nargs; i++) */
 923 /* OBSOLETE     { */
 924 /* OBSOLETE       struct value *arg = args[i]; */
 925 /* OBSOLETE       struct type *arg_type = check_typedef (VALUE_TYPE (arg)); */
 926 /* OBSOLETE       len = TYPE_LENGTH (arg_type); */
 927 /* OBSOLETE       contents = VALUE_CONTENTS (arg); */
 928 /* OBSOLETE       val = extract_signed_integer (contents, len); */
 929 /* OBSOLETE       if (len > 4) */
 930 /* OBSOLETE     { */
 931 /* OBSOLETE       /* put on stack and pass pointers */ */
 932 /* OBSOLETE       sp -= len; */
 933 /* OBSOLETE       write_memory (sp, contents, len); */
 934 /* OBSOLETE       ptrs[index++] = sp; */
 935 /* OBSOLETE     } */
 936 /* OBSOLETE     } */
 937 /* OBSOLETE #endif */
 938 /* OBSOLETE   index = 0; */
 939 /* OBSOLETE  */
 940 /* OBSOLETE   for (i = 0; i < nargs; i++) */
 941 /* OBSOLETE     { */
 942 /* OBSOLETE       struct value *arg = args[i]; */
 943 /* OBSOLETE       struct type *arg_type = check_typedef (VALUE_TYPE (arg)); */
 944 /* OBSOLETE       len = TYPE_LENGTH (arg_type); */
 945 /* OBSOLETE       contents = VALUE_CONTENTS (arg); */
 946 /* OBSOLETE       if (len > 4) */
 947 /* OBSOLETE     { */
 948 /* OBSOLETE       /* we need multiple registers */ */
 949 /* OBSOLETE       int ndx; */
 950 /* OBSOLETE  */
 951 /* OBSOLETE       for (ndx = 0; len > 0; ndx += 8, len -= 8) */
 952 /* OBSOLETE         { */
 953 /* OBSOLETE           if (regnum & 1) */
 954 /* OBSOLETE             regnum++;       /* all args > 4 bytes start in even register */ */
 955 /* OBSOLETE  */
 956 /* OBSOLETE           if (regnum < 18) */
 957 /* OBSOLETE             { */
 958 /* OBSOLETE               val = extract_signed_integer (&contents[ndx], 4); */
 959 /* OBSOLETE               write_register (regnum++, val); */
 960 /* OBSOLETE  */
 961 /* OBSOLETE               if (len >= 8) */
 962 /* OBSOLETE                 val = extract_signed_integer (&contents[ndx + 4], 4); */
 963 /* OBSOLETE               else */
 964 /* OBSOLETE                 val = extract_signed_integer (&contents[ndx + 4], len - 4); */
 965 /* OBSOLETE               write_register (regnum++, val); */
 966 /* OBSOLETE             } */
 967 /* OBSOLETE           else */
 968 /* OBSOLETE             { */
 969 /* OBSOLETE               /* no more registers available.  put it on the stack */ */
 970 /* OBSOLETE  */
 971 /* OBSOLETE               /* all args > 4 bytes are padded to a multiple of 8 bytes */
 972 /* OBSOLETE                  and start on an 8 byte boundary */ */
 973 /* OBSOLETE               if (sp & 7) */
 974 /* OBSOLETE                 sp -= (sp & 7);     /* align it */ */
 975 /* OBSOLETE  */
 976 /* OBSOLETE               sp -= ((len + 7) & ~7);       /* allocate space */ */
 977 /* OBSOLETE               write_memory (sp, &contents[ndx], len); */
 978 /* OBSOLETE               break; */
 979 /* OBSOLETE             } */
 980 /* OBSOLETE         } */
 981 /* OBSOLETE     } */
 982 /* OBSOLETE       else */
 983 /* OBSOLETE     { */
 984 /* OBSOLETE       if (regnum < 18) */
 985 /* OBSOLETE         { */
 986 /* OBSOLETE           val = extract_signed_integer (contents, len); */
 987 /* OBSOLETE           write_register (regnum++, val); */
 988 /* OBSOLETE         } */
 989 /* OBSOLETE       else */
 990 /* OBSOLETE         { */
 991 /* OBSOLETE           /* all args are padded to a multiple of 4 bytes (at least) */ */
 992 /* OBSOLETE           sp -= ((len + 3) & ~3); */
 993 /* OBSOLETE           write_memory (sp, contents, len); */
 994 /* OBSOLETE         } */
 995 /* OBSOLETE     } */
 996 /* OBSOLETE     } */
 997 /* OBSOLETE   if (sp & 7) */
 998 /* OBSOLETE     /* stack pointer is not on an 8 byte boundary -- align it */ */
 999 /* OBSOLETE     sp -= (sp & 7); */
1000 /* OBSOLETE   return sp; */
1001 /* OBSOLETE } */
1002 /* OBSOLETE  */
1003 /* OBSOLETE  */
1004 /* OBSOLETE /* pick an out-of-the-way place to set the return value */ */
1005 /* OBSOLETE /* for an inferior function call.  The link register is set to this  */ */
1006 /* OBSOLETE /* value and a momentary breakpoint is set there.  When the breakpoint */ */
1007 /* OBSOLETE /* is hit, the dummy frame is popped and the previous environment is */ */
1008 /* OBSOLETE /* restored. */ */
1009 /* OBSOLETE  */
1010 /* OBSOLETE CORE_ADDR */
1011 /* OBSOLETE d30v_call_dummy_address (void) */
1012 /* OBSOLETE { */
1013 /* OBSOLETE   CORE_ADDR entry; */
1014 /* OBSOLETE   struct minimal_symbol *sym; */
1015 /* OBSOLETE  */
1016 /* OBSOLETE   entry = entry_point_address (); */
1017 /* OBSOLETE  */
1018 /* OBSOLETE   if (entry != 0) */
1019 /* OBSOLETE     return entry; */
1020 /* OBSOLETE  */
1021 /* OBSOLETE   sym = lookup_minimal_symbol ("_start", NULL, symfile_objfile); */
1022 /* OBSOLETE  */
1023 /* OBSOLETE   if (!sym || MSYMBOL_TYPE (sym) != mst_text) */
1024 /* OBSOLETE     return 0; */
1025 /* OBSOLETE   else */
1026 /* OBSOLETE     return SYMBOL_VALUE_ADDRESS (sym); */
1027 /* OBSOLETE } */
1028 /* OBSOLETE  */
1029 /* OBSOLETE /* Given a return value in `regbuf' with a type `valtype',  */
1030 /* OBSOLETE    extract and copy its value into `valbuf'.  */ */
1031 /* OBSOLETE  */
1032 /* OBSOLETE void */
1033 /* OBSOLETE d30v_extract_return_value (struct type *valtype, char regbuf[REGISTER_BYTES], */
1034 /* OBSOLETE                        char *valbuf) */
1035 /* OBSOLETE { */
1036 /* OBSOLETE   memcpy (valbuf, regbuf + REGISTER_BYTE (2), TYPE_LENGTH (valtype)); */
1037 /* OBSOLETE } */
1038 /* OBSOLETE  */
1039 /* OBSOLETE /* The following code implements access to, and display of, the D30V's */
1040 /* OBSOLETE    instruction trace buffer.  The buffer consists of 64K or more */
1041 /* OBSOLETE    4-byte words of data, of which each words includes an 8-bit count, */
1042 /* OBSOLETE    an 8-bit segment number, and a 16-bit instruction address. */
1043 /* OBSOLETE  */
1044 /* OBSOLETE    In theory, the trace buffer is continuously capturing instruction */
1045 /* OBSOLETE    data that the CPU presents on its "debug bus", but in practice, the */
1046 /* OBSOLETE    ROMified GDB stub only enables tracing when it continues or steps */
1047 /* OBSOLETE    the program, and stops tracing when the program stops; so it */
1048 /* OBSOLETE    actually works for GDB to read the buffer counter out of memory and */
1049 /* OBSOLETE    then read each trace word.  The counter records where the tracing */
1050 /* OBSOLETE    stops, but there is no record of where it started, so we remember */
1051 /* OBSOLETE    the PC when we resumed and then search backwards in the trace */
1052 /* OBSOLETE    buffer for a word that includes that address.  This is not perfect, */
1053 /* OBSOLETE    because you will miss trace data if the resumption PC is the target */
1054 /* OBSOLETE    of a branch.  (The value of the buffer counter is semi-random, any */
1055 /* OBSOLETE    trace data from a previous program stop is gone.)  */ */
1056 /* OBSOLETE  */
1057 /* OBSOLETE /* The address of the last word recorded in the trace buffer.  */ */
1058 /* OBSOLETE  */
1059 /* OBSOLETE #define DBBC_ADDR (0xd80000) */
1060 /* OBSOLETE  */
1061 /* OBSOLETE /* The base of the trace buffer, at least for the "Board_0".  */ */
1062 /* OBSOLETE  */
1063 /* OBSOLETE #define TRACE_BUFFER_BASE (0xf40000) */
1064 /* OBSOLETE  */
1065 /* OBSOLETE static void trace_command (char *, int); */
1066 /* OBSOLETE  */
1067 /* OBSOLETE static void untrace_command (char *, int); */
1068 /* OBSOLETE  */
1069 /* OBSOLETE static void trace_info (char *, int); */
1070 /* OBSOLETE  */
1071 /* OBSOLETE static void tdisassemble_command (char *, int); */
1072 /* OBSOLETE  */
1073 /* OBSOLETE static void display_trace (int, int); */
1074 /* OBSOLETE  */
1075 /* OBSOLETE /* True when instruction traces are being collected.  */ */
1076 /* OBSOLETE  */
1077 /* OBSOLETE static int tracing; */
1078 /* OBSOLETE  */
1079 /* OBSOLETE /* Remembered PC.  */ */
1080 /* OBSOLETE  */
1081 /* OBSOLETE static CORE_ADDR last_pc; */
1082 /* OBSOLETE  */
1083 /* OBSOLETE /* True when trace output should be displayed whenever program stops.  */ */
1084 /* OBSOLETE  */
1085 /* OBSOLETE static int trace_display; */
1086 /* OBSOLETE  */
1087 /* OBSOLETE /* True when trace listing should include source lines.  */ */
1088 /* OBSOLETE  */
1089 /* OBSOLETE static int default_trace_show_source = 1; */
1090 /* OBSOLETE  */
1091 /* OBSOLETE struct trace_buffer */
1092 /* OBSOLETE   { */
1093 /* OBSOLETE     int size; */
1094 /* OBSOLETE     short *counts; */
1095 /* OBSOLETE     CORE_ADDR *addrs; */
1096 /* OBSOLETE   } */
1097 /* OBSOLETE trace_data; */
1098 /* OBSOLETE  */
1099 /* OBSOLETE static void */
1100 /* OBSOLETE trace_command (char *args, int from_tty) */
1101 /* OBSOLETE { */
1102 /* OBSOLETE   /* Clear the host-side trace buffer, allocating space if needed.  */ */
1103 /* OBSOLETE   trace_data.size = 0; */
1104 /* OBSOLETE   if (trace_data.counts == NULL) */
1105 /* OBSOLETE     trace_data.counts = (short *) xmalloc (65536 * sizeof (short)); */
1106 /* OBSOLETE   if (trace_data.addrs == NULL) */
1107 /* OBSOLETE     trace_data.addrs = (CORE_ADDR *) xmalloc (65536 * sizeof (CORE_ADDR)); */
1108 /* OBSOLETE  */
1109 /* OBSOLETE   tracing = 1; */
1110 /* OBSOLETE  */
1111 /* OBSOLETE   printf_filtered ("Tracing is now on.\n"); */
1112 /* OBSOLETE } */
1113 /* OBSOLETE  */
1114 /* OBSOLETE static void */
1115 /* OBSOLETE untrace_command (char *args, int from_tty) */
1116 /* OBSOLETE { */
1117 /* OBSOLETE   tracing = 0; */
1118 /* OBSOLETE  */
1119 /* OBSOLETE   printf_filtered ("Tracing is now off.\n"); */
1120 /* OBSOLETE } */
1121 /* OBSOLETE  */
1122 /* OBSOLETE static void */
1123 /* OBSOLETE trace_info (char *args, int from_tty) */
1124 /* OBSOLETE { */
1125 /* OBSOLETE   int i; */
1126 /* OBSOLETE  */
1127 /* OBSOLETE   if (trace_data.size) */
1128 /* OBSOLETE     { */
1129 /* OBSOLETE       printf_filtered ("%d entries in trace buffer:\n", trace_data.size); */
1130 /* OBSOLETE  */
1131 /* OBSOLETE       for (i = 0; i < trace_data.size; ++i) */
1132 /* OBSOLETE     { */
1133 /* OBSOLETE       printf_filtered ("%d: %d instruction%s at 0x%s\n", */
1134 /* OBSOLETE                        i, trace_data.counts[i], */
1135 /* OBSOLETE                        (trace_data.counts[i] == 1 ? "" : "s"), */
1136 /* OBSOLETE                        paddr_nz (trace_data.addrs[i])); */
1137 /* OBSOLETE     } */
1138 /* OBSOLETE     } */
1139 /* OBSOLETE   else */
1140 /* OBSOLETE     printf_filtered ("No entries in trace buffer.\n"); */
1141 /* OBSOLETE  */
1142 /* OBSOLETE   printf_filtered ("Tracing is currently %s.\n", (tracing ? "on" : "off")); */
1143 /* OBSOLETE } */
1144 /* OBSOLETE  */
1145 /* OBSOLETE /* Print the instruction at address MEMADDR in debugged memory, */
1146 /* OBSOLETE    on STREAM.  Returns length of the instruction, in bytes.  */ */
1147 /* OBSOLETE  */
1148 /* OBSOLETE static int */
1149 /* OBSOLETE print_insn (CORE_ADDR memaddr, struct ui_file *stream) */
1150 /* OBSOLETE { */
1151 /* OBSOLETE   /* If there's no disassembler, something is very wrong.  */ */
1152 /* OBSOLETE   if (tm_print_insn == NULL) */
1153 /* OBSOLETE     internal_error (__FILE__, __LINE__, */
1154 /* OBSOLETE                 "print_insn: no disassembler"); */
1155 /* OBSOLETE  */
1156 /* OBSOLETE   if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) */
1157 /* OBSOLETE     tm_print_insn_info.endian = BFD_ENDIAN_BIG; */
1158 /* OBSOLETE   else */
1159 /* OBSOLETE     tm_print_insn_info.endian = BFD_ENDIAN_LITTLE; */
1160 /* OBSOLETE   return TARGET_PRINT_INSN (memaddr, &tm_print_insn_info); */
1161 /* OBSOLETE } */
1162 /* OBSOLETE  */
1163 /* OBSOLETE void */
1164 /* OBSOLETE d30v_eva_prepare_to_trace (void) */
1165 /* OBSOLETE { */
1166 /* OBSOLETE   if (!tracing) */
1167 /* OBSOLETE     return; */
1168 /* OBSOLETE  */
1169 /* OBSOLETE   last_pc = read_register (PC_REGNUM); */
1170 /* OBSOLETE } */
1171 /* OBSOLETE  */
1172 /* OBSOLETE /* Collect trace data from the target board and format it into a form */
1173 /* OBSOLETE    more useful for display.  */ */
1174 /* OBSOLETE  */
1175 /* OBSOLETE void */
1176 /* OBSOLETE d30v_eva_get_trace_data (void) */
1177 /* OBSOLETE { */
1178 /* OBSOLETE   int count, i, j, oldsize; */
1179 /* OBSOLETE   int trace_addr, trace_seg, trace_cnt, next_cnt; */
1180 /* OBSOLETE   unsigned int last_trace, trace_word, next_word; */
1181 /* OBSOLETE   unsigned int *tmpspace; */
1182 /* OBSOLETE  */
1183 /* OBSOLETE   if (!tracing) */
1184 /* OBSOLETE     return; */
1185 /* OBSOLETE  */
1186 /* OBSOLETE   tmpspace = xmalloc (65536 * sizeof (unsigned int)); */
1187 /* OBSOLETE  */
1188 /* OBSOLETE   last_trace = read_memory_unsigned_integer (DBBC_ADDR, 2) << 2; */
1189 /* OBSOLETE  */
1190 /* OBSOLETE   /* Collect buffer contents from the target, stopping when we reach */
1191 /* OBSOLETE      the word recorded when execution resumed.  */ */
1192 /* OBSOLETE  */
1193 /* OBSOLETE   count = 0; */
1194 /* OBSOLETE   while (last_trace > 0) */
1195 /* OBSOLETE     { */
1196 /* OBSOLETE       QUIT; */
1197 /* OBSOLETE       trace_word = */
1198 /* OBSOLETE     read_memory_unsigned_integer (TRACE_BUFFER_BASE + last_trace, 4); */
1199 /* OBSOLETE       trace_addr = trace_word & 0xffff; */
1200 /* OBSOLETE       last_trace -= 4; */
1201 /* OBSOLETE       /* Ignore an apparently nonsensical entry.  */ */
1202 /* OBSOLETE       if (trace_addr == 0xffd5) */
1203 /* OBSOLETE     continue; */
1204 /* OBSOLETE       tmpspace[count++] = trace_word; */
1205 /* OBSOLETE       if (trace_addr == last_pc) */
1206 /* OBSOLETE     break; */
1207 /* OBSOLETE       if (count > 65535) */
1208 /* OBSOLETE     break; */
1209 /* OBSOLETE     } */
1210 /* OBSOLETE  */
1211 /* OBSOLETE   /* Move the data to the host-side trace buffer, adjusting counts to */
1212 /* OBSOLETE      include the last instruction executed and transforming the address */
1213 /* OBSOLETE      into something that GDB likes.  */ */
1214 /* OBSOLETE  */
1215 /* OBSOLETE   for (i = 0; i < count; ++i) */
1216 /* OBSOLETE     { */
1217 /* OBSOLETE       trace_word = tmpspace[i]; */
1218 /* OBSOLETE       next_word = ((i == 0) ? 0 : tmpspace[i - 1]); */
1219 /* OBSOLETE       trace_addr = trace_word & 0xffff; */
1220 /* OBSOLETE       next_cnt = (next_word >> 24) & 0xff; */
1221 /* OBSOLETE       j = trace_data.size + count - i - 1; */
1222 /* OBSOLETE       trace_data.addrs[j] = (trace_addr << 2) + 0x1000000; */
1223 /* OBSOLETE       trace_data.counts[j] = next_cnt + 1; */
1224 /* OBSOLETE     } */
1225 /* OBSOLETE  */
1226 /* OBSOLETE   oldsize = trace_data.size; */
1227 /* OBSOLETE   trace_data.size += count; */
1228 /* OBSOLETE  */
1229 /* OBSOLETE   xfree (tmpspace); */
1230 /* OBSOLETE  */
1231 /* OBSOLETE   if (trace_display) */
1232 /* OBSOLETE     display_trace (oldsize, trace_data.size); */
1233 /* OBSOLETE } */
1234 /* OBSOLETE  */
1235 /* OBSOLETE static void */
1236 /* OBSOLETE tdisassemble_command (char *arg, int from_tty) */
1237 /* OBSOLETE { */
1238 /* OBSOLETE   int i, count; */
1239 /* OBSOLETE   CORE_ADDR low, high; */
1240 /* OBSOLETE   char *space_index; */
1241 /* OBSOLETE  */
1242 /* OBSOLETE   if (!arg) */
1243 /* OBSOLETE     { */
1244 /* OBSOLETE       low = 0; */
1245 /* OBSOLETE       high = trace_data.size; */
1246 /* OBSOLETE     } */
1247 /* OBSOLETE   else if (!(space_index = (char *) strchr (arg, ' '))) */
1248 /* OBSOLETE     { */
1249 /* OBSOLETE       low = parse_and_eval_address (arg); */
1250 /* OBSOLETE       high = low + 5; */
1251 /* OBSOLETE     } */
1252 /* OBSOLETE   else */
1253 /* OBSOLETE     { */
1254 /* OBSOLETE       /* Two arguments.  */ */
1255 /* OBSOLETE       *space_index = '\0'; */
1256 /* OBSOLETE       low = parse_and_eval_address (arg); */
1257 /* OBSOLETE       high = parse_and_eval_address (space_index + 1); */
1258 /* OBSOLETE       if (high < low) */
1259 /* OBSOLETE     high = low; */
1260 /* OBSOLETE     } */
1261 /* OBSOLETE  */
1262 /* OBSOLETE   printf_filtered ("Dump of trace from %s to %s:\n", */
1263 /* OBSOLETE                paddr_u (low), */
1264 /* OBSOLETE                paddr_u (high)); */
1265 /* OBSOLETE  */
1266 /* OBSOLETE   display_trace (low, high); */
1267 /* OBSOLETE  */
1268 /* OBSOLETE   printf_filtered ("End of trace dump.\n"); */
1269 /* OBSOLETE   gdb_flush (gdb_stdout); */
1270 /* OBSOLETE } */
1271 /* OBSOLETE  */
1272 /* OBSOLETE static void */
1273 /* OBSOLETE display_trace (int low, int high) */
1274 /* OBSOLETE { */
1275 /* OBSOLETE   int i, count, trace_show_source, first, suppress; */
1276 /* OBSOLETE   CORE_ADDR next_address; */
1277 /* OBSOLETE  */
1278 /* OBSOLETE   trace_show_source = default_trace_show_source; */
1279 /* OBSOLETE   if (!have_full_symbols () && !have_partial_symbols ()) */
1280 /* OBSOLETE     { */
1281 /* OBSOLETE       trace_show_source = 0; */
1282 /* OBSOLETE       printf_filtered ("No symbol table is loaded.  Use the \"file\" command.\n"); */
1283 /* OBSOLETE       printf_filtered ("Trace will not display any source.\n"); */
1284 /* OBSOLETE     } */
1285 /* OBSOLETE  */
1286 /* OBSOLETE   first = 1; */
1287 /* OBSOLETE   suppress = 0; */
1288 /* OBSOLETE   for (i = low; i < high; ++i) */
1289 /* OBSOLETE     { */
1290 /* OBSOLETE       next_address = trace_data.addrs[i]; */
1291 /* OBSOLETE       count = trace_data.counts[i]; */
1292 /* OBSOLETE       while (count-- > 0) */
1293 /* OBSOLETE     { */
1294 /* OBSOLETE       QUIT; */
1295 /* OBSOLETE       if (trace_show_source) */
1296 /* OBSOLETE         { */
1297 /* OBSOLETE           struct symtab_and_line sal, sal_prev; */
1298 /* OBSOLETE  */
1299 /* OBSOLETE           sal_prev = find_pc_line (next_address - 4, 0); */
1300 /* OBSOLETE           sal = find_pc_line (next_address, 0); */
1301 /* OBSOLETE  */
1302 /* OBSOLETE           if (sal.symtab) */
1303 /* OBSOLETE             { */
1304 /* OBSOLETE               if (first || sal.line != sal_prev.line) */
1305 /* OBSOLETE                 print_source_lines (sal.symtab, sal.line, sal.line + 1, 0); */
1306 /* OBSOLETE               suppress = 0; */
1307 /* OBSOLETE             } */
1308 /* OBSOLETE           else */
1309 /* OBSOLETE             { */
1310 /* OBSOLETE               if (!suppress) */
1311 /* OBSOLETE                 /* FIXME-32x64--assumes sal.pc fits in long.  */ */
1312 /* OBSOLETE                 printf_filtered ("No source file for address %s.\n", */
1313 /* OBSOLETE                              local_hex_string ((unsigned long) sal.pc)); */
1314 /* OBSOLETE               suppress = 1; */
1315 /* OBSOLETE             } */
1316 /* OBSOLETE         } */
1317 /* OBSOLETE       first = 0; */
1318 /* OBSOLETE       print_address (next_address, gdb_stdout); */
1319 /* OBSOLETE       printf_filtered (":"); */
1320 /* OBSOLETE       printf_filtered ("\t"); */
1321 /* OBSOLETE       wrap_here ("    "); */
1322 /* OBSOLETE       next_address = next_address + print_insn (next_address, gdb_stdout); */
1323 /* OBSOLETE       printf_filtered ("\n"); */
1324 /* OBSOLETE       gdb_flush (gdb_stdout); */
1325 /* OBSOLETE     } */
1326 /* OBSOLETE     } */
1327 /* OBSOLETE } */
1328 /* OBSOLETE  */
1329 /* OBSOLETE extern void (*target_resume_hook) (void); */
1330 /* OBSOLETE extern void (*target_wait_loop_hook) (void); */
1331 /* OBSOLETE  */
1332 /* OBSOLETE void */
1333 /* OBSOLETE _initialize_d30v_tdep (void) */
1334 /* OBSOLETE { */
1335 /* OBSOLETE   tm_print_insn = print_insn_d30v; */
1336 /* OBSOLETE  */
1337 /* OBSOLETE   target_resume_hook = d30v_eva_prepare_to_trace; */
1338 /* OBSOLETE   target_wait_loop_hook = d30v_eva_get_trace_data; */
1339 /* OBSOLETE  */
1340 /* OBSOLETE   add_info ("flags", print_flags_command, "Print d30v flags."); */
1341 /* OBSOLETE  */
1342 /* OBSOLETE   add_com ("trace", class_support, trace_command, */
1343 /* OBSOLETE        "Enable tracing of instruction execution."); */
1344 /* OBSOLETE  */
1345 /* OBSOLETE   add_com ("untrace", class_support, untrace_command, */
1346 /* OBSOLETE        "Disable tracing of instruction execution."); */
1347 /* OBSOLETE  */
1348 /* OBSOLETE   add_com ("tdisassemble", class_vars, tdisassemble_command, */
1349 /* OBSOLETE        "Disassemble the trace buffer.\n\ */
1350 /* OBSOLETE Two optional arguments specify a range of trace buffer entries\n\ */
1351 /* OBSOLETE as reported by info trace (NOT addresses!)."); */
1352 /* OBSOLETE  */
1353 /* OBSOLETE   add_info ("trace", trace_info, */
1354 /* OBSOLETE         "Display info about the trace data buffer."); */
1355 /* OBSOLETE  */
1356 /* OBSOLETE   add_show_from_set (add_set_cmd ("tracedisplay", no_class, */
1357 /* OBSOLETE                               var_integer, (char *) &trace_display, */
1358 /* OBSOLETE                          "Set automatic display of trace.\n", &setlist), */
1359 /* OBSOLETE                  &showlist); */
1360 /* OBSOLETE   add_show_from_set (add_set_cmd ("tracesource", no_class, */
1361 /* OBSOLETE                        var_integer, (char *) &default_trace_show_source, */
1362 /* OBSOLETE                   "Set display of source code with trace.\n", &setlist), */
1363 /* OBSOLETE                  &showlist); */
1364 /* OBSOLETE  */
1365 /* OBSOLETE } */