gdb/symm-nat.c

   1 // OBSOLETE /* Sequent Symmetry host interface, for GDB when running under Unix.
   2 // OBSOLETE
   3 // OBSOLETE    Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1999,
   4 // OBSOLETE    2000, 2001, 2003 Free Software 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 /* FIXME, some 387-specific items of use taken from i387-tdep.c -- ought to be
  24 // OBSOLETE    merged back in. */
  25 // OBSOLETE
  26 // OBSOLETE #include "defs.h"
  27 // OBSOLETE #include "frame.h"
  28 // OBSOLETE #include "inferior.h"
  29 // OBSOLETE #include "symtab.h"
  30 // OBSOLETE #include "target.h"
  31 // OBSOLETE #include "regcache.h"
  32 // OBSOLETE
  33 // OBSOLETE /* FIXME: What is the _INKERNEL define for?  */
  34 // OBSOLETE #define _INKERNEL
  35 // OBSOLETE #include <signal.h>
  36 // OBSOLETE #undef _INKERNEL
  37 // OBSOLETE #include "gdb_wait.h"
  38 // OBSOLETE #include <sys/param.h>
  39 // OBSOLETE #include <sys/user.h>
  40 // OBSOLETE #include <sys/proc.h>
  41 // OBSOLETE #include <sys/dir.h>
  42 // OBSOLETE #include <sys/ioctl.h>
  43 // OBSOLETE #include "gdb_stat.h"
  44 // OBSOLETE #ifdef _SEQUENT_
  45 // OBSOLETE #include <sys/ptrace.h>
  46 // OBSOLETE #else
  47 // OBSOLETE /* Dynix has only machine/ptrace.h, which is already included by sys/user.h  */
  48 // OBSOLETE /* Dynix has no mptrace call */
  49 // OBSOLETE #define mptrace ptrace
  50 // OBSOLETE #endif
  51 // OBSOLETE #include "gdbcore.h"
  52 // OBSOLETE #include <fcntl.h>
  53 // OBSOLETE #include <sgtty.h>
  54 // OBSOLETE #define TERMINAL struct sgttyb
  55 // OBSOLETE
  56 // OBSOLETE #include "gdbcore.h"
  57 // OBSOLETE
  58 // OBSOLETE void
  59 // OBSOLETE store_inferior_registers (int regno)
  60 // OBSOLETE {
  61 // OBSOLETE   struct pt_regset regs;
  62 // OBSOLETE   int i;
  63 // OBSOLETE
  64 // OBSOLETE   /* FIXME: Fetching the registers is a kludge to initialize all elements
  65 // OBSOLETE      in the fpu and fpa status. This works for normal debugging, but
  66 // OBSOLETE      might cause problems when calling functions in the inferior.
  67 // OBSOLETE      At least fpu_control and fpa_pcr (probably more) should be added
  68 // OBSOLETE      to the registers array to solve this properly.  */
  69 // OBSOLETE   mptrace (XPT_RREGS, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) & regs, 0);
  70 // OBSOLETE
  71 // OBSOLETE   regs.pr_eax = *(int *) &deprecated_registers[REGISTER_BYTE (0)];
  72 // OBSOLETE   regs.pr_ebx = *(int *) &deprecated_registers[REGISTER_BYTE (5)];
  73 // OBSOLETE   regs.pr_ecx = *(int *) &deprecated_registers[REGISTER_BYTE (2)];
  74 // OBSOLETE   regs.pr_edx = *(int *) &deprecated_registers[REGISTER_BYTE (1)];
  75 // OBSOLETE   regs.pr_esi = *(int *) &deprecated_registers[REGISTER_BYTE (6)];
  76 // OBSOLETE   regs.pr_edi = *(int *) &deprecated_registers[REGISTER_BYTE (7)];
  77 // OBSOLETE   regs.pr_esp = *(int *) &deprecated_registers[REGISTER_BYTE (14)];
  78 // OBSOLETE   regs.pr_ebp = *(int *) &deprecated_registers[REGISTER_BYTE (15)];
  79 // OBSOLETE   regs.pr_eip = *(int *) &deprecated_registers[REGISTER_BYTE (16)];
  80 // OBSOLETE   regs.pr_flags = *(int *) &deprecated_registers[REGISTER_BYTE (17)];
  81 // OBSOLETE   for (i = 0; i < 31; i++)
  82 // OBSOLETE     {
  83 // OBSOLETE       regs.pr_fpa.fpa_regs[i] =
  84 // OBSOLETE     *(int *) &deprecated_registers[REGISTER_BYTE (FP1_REGNUM + i)];
  85 // OBSOLETE     }
  86 // OBSOLETE   memcpy (regs.pr_fpu.fpu_stack[0], &deprecated_registers[REGISTER_BYTE (ST0_REGNUM)], 10);
  87 // OBSOLETE   memcpy (regs.pr_fpu.fpu_stack[1], &deprecated_registers[REGISTER_BYTE (ST1_REGNUM)], 10);
  88 // OBSOLETE   memcpy (regs.pr_fpu.fpu_stack[2], &deprecated_registers[REGISTER_BYTE (ST2_REGNUM)], 10);
  89 // OBSOLETE   memcpy (regs.pr_fpu.fpu_stack[3], &deprecated_registers[REGISTER_BYTE (ST3_REGNUM)], 10);
  90 // OBSOLETE   memcpy (regs.pr_fpu.fpu_stack[4], &deprecated_registers[REGISTER_BYTE (ST4_REGNUM)], 10);
  91 // OBSOLETE   memcpy (regs.pr_fpu.fpu_stack[5], &deprecated_registers[REGISTER_BYTE (ST5_REGNUM)], 10);
  92 // OBSOLETE   memcpy (regs.pr_fpu.fpu_stack[6], &deprecated_registers[REGISTER_BYTE (ST6_REGNUM)], 10);
  93 // OBSOLETE   memcpy (regs.pr_fpu.fpu_stack[7], &deprecated_registers[REGISTER_BYTE (ST7_REGNUM)], 10);
  94 // OBSOLETE   mptrace (XPT_WREGS, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) & regs, 0);
  95 // OBSOLETE }
  96 // OBSOLETE
  97 // OBSOLETE void
  98 // OBSOLETE fetch_inferior_registers (int regno)
  99 // OBSOLETE {
 100 // OBSOLETE   int i;
 101 // OBSOLETE   struct pt_regset regs;
 102 // OBSOLETE
 103 // OBSOLETE   deprecated_registers_fetched ();
 104 // OBSOLETE
 105 // OBSOLETE   mptrace (XPT_RREGS, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) & regs, 0);
 106 // OBSOLETE   *(int *) &deprecated_registers[REGISTER_BYTE (EAX_REGNUM)] = regs.pr_eax;
 107 // OBSOLETE   *(int *) &rdeprecated_egisters[REGISTER_BYTE (EBX_REGNUM)] = regs.pr_ebx;
 108 // OBSOLETE   *(int *) &deprecated_registers[REGISTER_BYTE (ECX_REGNUM)] = regs.pr_ecx;
 109 // OBSOLETE   *(int *) &deprecated_registers[REGISTER_BYTE (EDX_REGNUM)] = regs.pr_edx;
 110 // OBSOLETE   *(int *) &deprecated_registers[REGISTER_BYTE (ESI_REGNUM)] = regs.pr_esi;
 111 // OBSOLETE   *(int *) &deprecated_registers[REGISTER_BYTE (EDI_REGNUM)] = regs.pr_edi;
 112 // OBSOLETE   *(int *) &deprecated_registers[REGISTER_BYTE (EBP_REGNUM)] = regs.pr_ebp;
 113 // OBSOLETE   *(int *) &deprecated_registers[REGISTER_BYTE (ESP_REGNUM)] = regs.pr_esp;
 114 // OBSOLETE   *(int *) &deprecated_registers[REGISTER_BYTE (EIP_REGNUM)] = regs.pr_eip;
 115 // OBSOLETE   *(int *) &deprecated_registers[REGISTER_BYTE (EFLAGS_REGNUM)] = regs.pr_flags;
 116 // OBSOLETE   for (i = 0; i < FPA_NREGS; i++)
 117 // OBSOLETE     {
 118 // OBSOLETE       *(int *) &deprecated_registers[REGISTER_BYTE (FP1_REGNUM + i)] =
 119 // OBSOLETE     regs.pr_fpa.fpa_regs[i];
 120 // OBSOLETE     }
 121 // OBSOLETE   memcpy (&deprecated_registers[REGISTER_BYTE (ST0_REGNUM)], regs.pr_fpu.fpu_stack[0], 10);
 122 // OBSOLETE   memcpy (&deprecated_registers[REGISTER_BYTE (ST1_REGNUM)], regs.pr_fpu.fpu_stack[1], 10);
 123 // OBSOLETE   memcpy (&deprecated_registers[REGISTER_BYTE (ST2_REGNUM)], regs.pr_fpu.fpu_stack[2], 10);
 124 // OBSOLETE   memcpy (&deprecated_registers[REGISTER_BYTE (ST3_REGNUM)], regs.pr_fpu.fpu_stack[3], 10);
 125 // OBSOLETE   memcpy (&deprecated_registers[REGISTER_BYTE (ST4_REGNUM)], regs.pr_fpu.fpu_stack[4], 10);
 126 // OBSOLETE   memcpy (&deprecated_registers[REGISTER_BYTE (ST5_REGNUM)], regs.pr_fpu.fpu_stack[5], 10);
 127 // OBSOLETE   memcpy (&deprecated_registers[REGISTER_BYTE (ST6_REGNUM)], regs.pr_fpu.fpu_stack[6], 10);
 128 // OBSOLETE   memcpy (&deprecated_registers[REGISTER_BYTE (ST7_REGNUM)], regs.pr_fpu.fpu_stack[7], 10);
 129 // OBSOLETE }
 130 // OBSOLETE \f
 131 // OBSOLETE /* FIXME:  This should be merged with i387-tdep.c as well. */
 132 // OBSOLETE static
 133 // OBSOLETE print_fpu_status (struct pt_regset ep)
 134 // OBSOLETE {
 135 // OBSOLETE   int i;
 136 // OBSOLETE   int bothstatus;
 137 // OBSOLETE   int top;
 138 // OBSOLETE   int fpreg;
 139 // OBSOLETE   unsigned char *p;
 140 // OBSOLETE
 141 // OBSOLETE   printf_unfiltered ("80387:");
 142 // OBSOLETE   if (ep.pr_fpu.fpu_ip == 0)
 143 // OBSOLETE     {
 144 // OBSOLETE       printf_unfiltered (" not in use.\n");
 145 // OBSOLETE       return;
 146 // OBSOLETE     }
 147 // OBSOLETE   else
 148 // OBSOLETE     {
 149 // OBSOLETE       printf_unfiltered ("\n");
 150 // OBSOLETE     }
 151 // OBSOLETE   if (ep.pr_fpu.fpu_status != 0)
 152 // OBSOLETE     {
 153 // OBSOLETE       print_387_status_word (ep.pr_fpu.fpu_status);
 154 // OBSOLETE     }
 155 // OBSOLETE   print_387_control_word (ep.pr_fpu.fpu_control);
 156 // OBSOLETE   printf_unfiltered ("last exception: ");
 157 // OBSOLETE   printf_unfiltered ("opcode 0x%x; ", ep.pr_fpu.fpu_rsvd4);
 158 // OBSOLETE   printf_unfiltered ("pc 0x%x:0x%x; ", ep.pr_fpu.fpu_cs, ep.pr_fpu.fpu_ip);
 159 // OBSOLETE   printf_unfiltered ("operand 0x%x:0x%x\n", ep.pr_fpu.fpu_data_offset, ep.pr_fpu.fpu_op_sel);
 160 // OBSOLETE
 161 // OBSOLETE   top = (ep.pr_fpu.fpu_status >> 11) & 7;
 162 // OBSOLETE
 163 // OBSOLETE   printf_unfiltered ("regno  tag  msb              lsb  value\n");
 164 // OBSOLETE   for (fpreg = 7; fpreg >= 0; fpreg--)
 165 // OBSOLETE     {
 166 // OBSOLETE       double val;
 167 // OBSOLETE
 168 // OBSOLETE       printf_unfiltered ("%s %d: ", fpreg == top ? "=>" : "  ", fpreg);
 169 // OBSOLETE
 170 // OBSOLETE       switch ((ep.pr_fpu.fpu_tag >> (fpreg * 2)) & 3)
 171 // OBSOLETE     {
 172 // OBSOLETE     case 0:
 173 // OBSOLETE       printf_unfiltered ("valid ");
 174 // OBSOLETE       break;
 175 // OBSOLETE     case 1:
 176 // OBSOLETE       printf_unfiltered ("zero  ");
 177 // OBSOLETE       break;
 178 // OBSOLETE     case 2:
 179 // OBSOLETE       printf_unfiltered ("trap  ");
 180 // OBSOLETE       break;
 181 // OBSOLETE     case 3:
 182 // OBSOLETE       printf_unfiltered ("empty ");
 183 // OBSOLETE       break;
 184 // OBSOLETE     }
 185 // OBSOLETE       for (i = 9; i >= 0; i--)
 186 // OBSOLETE     printf_unfiltered ("%02x", ep.pr_fpu.fpu_stack[fpreg][i]);
 187 // OBSOLETE
 188 // OBSOLETE       i387_to_double ((char *) ep.pr_fpu.fpu_stack[fpreg], (char *) &val);
 189 // OBSOLETE       printf_unfiltered ("  %g\n", val);
 190 // OBSOLETE     }
 191 // OBSOLETE   if (ep.pr_fpu.fpu_rsvd1)
 192 // OBSOLETE     warning ("rsvd1 is 0x%x\n", ep.pr_fpu.fpu_rsvd1);
 193 // OBSOLETE   if (ep.pr_fpu.fpu_rsvd2)
 194 // OBSOLETE     warning ("rsvd2 is 0x%x\n", ep.pr_fpu.fpu_rsvd2);
 195 // OBSOLETE   if (ep.pr_fpu.fpu_rsvd3)
 196 // OBSOLETE     warning ("rsvd3 is 0x%x\n", ep.pr_fpu.fpu_rsvd3);
 197 // OBSOLETE   if (ep.pr_fpu.fpu_rsvd5)
 198 // OBSOLETE     warning ("rsvd5 is 0x%x\n", ep.pr_fpu.fpu_rsvd5);
 199 // OBSOLETE }
 200 // OBSOLETE
 201 // OBSOLETE
 202 // OBSOLETE print_1167_control_word (unsigned int pcr)
 203 // OBSOLETE {
 204 // OBSOLETE   int pcr_tmp;
 205 // OBSOLETE
 206 // OBSOLETE   pcr_tmp = pcr & FPA_PCR_MODE;
 207 // OBSOLETE   printf_unfiltered ("\tMODE= %#x; RND= %#x ", pcr_tmp, pcr_tmp & 12);
 208 // OBSOLETE   switch (pcr_tmp & 12)
 209 // OBSOLETE     {
 210 // OBSOLETE     case 0:
 211 // OBSOLETE       printf_unfiltered ("RN (Nearest Value)");
 212 // OBSOLETE       break;
 213 // OBSOLETE     case 1:
 214 // OBSOLETE       printf_unfiltered ("RZ (Zero)");
 215 // OBSOLETE       break;
 216 // OBSOLETE     case 2:
 217 // OBSOLETE       printf_unfiltered ("RP (Positive Infinity)");
 218 // OBSOLETE       break;
 219 // OBSOLETE     case 3:
 220 // OBSOLETE       printf_unfiltered ("RM (Negative Infinity)");
 221 // OBSOLETE       break;
 222 // OBSOLETE     }
 223 // OBSOLETE   printf_unfiltered ("; IRND= %d ", pcr_tmp & 2);
 224 // OBSOLETE   if (0 == pcr_tmp & 2)
 225 // OBSOLETE     {
 226 // OBSOLETE       printf_unfiltered ("(same as RND)\n");
 227 // OBSOLETE     }
 228 // OBSOLETE   else
 229 // OBSOLETE     {
 230 // OBSOLETE       printf_unfiltered ("(toward zero)\n");
 231 // OBSOLETE     }
 232 // OBSOLETE   pcr_tmp = pcr & FPA_PCR_EM;
 233 // OBSOLETE   printf_unfiltered ("\tEM= %#x", pcr_tmp);
 234 // OBSOLETE   if (pcr_tmp & FPA_PCR_EM_DM)
 235 // OBSOLETE     printf_unfiltered (" DM");
 236 // OBSOLETE   if (pcr_tmp & FPA_PCR_EM_UOM)
 237 // OBSOLETE     printf_unfiltered (" UOM");
 238 // OBSOLETE   if (pcr_tmp & FPA_PCR_EM_PM)
 239 // OBSOLETE     printf_unfiltered (" PM");
 240 // OBSOLETE   if (pcr_tmp & FPA_PCR_EM_UM)
 241 // OBSOLETE     printf_unfiltered (" UM");
 242 // OBSOLETE   if (pcr_tmp & FPA_PCR_EM_OM)
 243 // OBSOLETE     printf_unfiltered (" OM");
 244 // OBSOLETE   if (pcr_tmp & FPA_PCR_EM_ZM)
 245 // OBSOLETE     printf_unfiltered (" ZM");
 246 // OBSOLETE   if (pcr_tmp & FPA_PCR_EM_IM)
 247 // OBSOLETE     printf_unfiltered (" IM");
 248 // OBSOLETE   printf_unfiltered ("\n");
 249 // OBSOLETE   pcr_tmp = FPA_PCR_CC;
 250 // OBSOLETE   printf_unfiltered ("\tCC= %#x", pcr_tmp);
 251 // OBSOLETE   if (pcr_tmp & FPA_PCR_20MHZ)
 252 // OBSOLETE     printf_unfiltered (" 20MHZ");
 253 // OBSOLETE   if (pcr_tmp & FPA_PCR_CC_Z)
 254 // OBSOLETE     printf_unfiltered (" Z");
 255 // OBSOLETE   if (pcr_tmp & FPA_PCR_CC_C2)
 256 // OBSOLETE     printf_unfiltered (" C2");
 257 // OBSOLETE
 258 // OBSOLETE   /* Dynix defines FPA_PCR_CC_C0 to 0x100 and ptx defines
 259 // OBSOLETE      FPA_PCR_CC_C1 to 0x100.  Use whichever is defined and assume
 260 // OBSOLETE      the OS knows what it is doing.  */
 261 // OBSOLETE #ifdef FPA_PCR_CC_C1
 262 // OBSOLETE   if (pcr_tmp & FPA_PCR_CC_C1)
 263 // OBSOLETE     printf_unfiltered (" C1");
 264 // OBSOLETE #else
 265 // OBSOLETE   if (pcr_tmp & FPA_PCR_CC_C0)
 266 // OBSOLETE     printf_unfiltered (" C0");
 267 // OBSOLETE #endif
 268 // OBSOLETE
 269 // OBSOLETE   switch (pcr_tmp)
 270 // OBSOLETE     {
 271 // OBSOLETE     case FPA_PCR_CC_Z:
 272 // OBSOLETE       printf_unfiltered (" (Equal)");
 273 // OBSOLETE       break;
 274 // OBSOLETE #ifdef FPA_PCR_CC_C1
 275 // OBSOLETE     case FPA_PCR_CC_C1:
 276 // OBSOLETE #else
 277 // OBSOLETE     case FPA_PCR_CC_C0:
 278 // OBSOLETE #endif
 279 // OBSOLETE       printf_unfiltered (" (Less than)");
 280 // OBSOLETE       break;
 281 // OBSOLETE     case 0:
 282 // OBSOLETE       printf_unfiltered (" (Greater than)");
 283 // OBSOLETE       break;
 284 // OBSOLETE       case FPA_PCR_CC_Z |
 285 // OBSOLETE #ifdef FPA_PCR_CC_C1
 286 // OBSOLETE     FPA_PCR_CC_C1
 287 // OBSOLETE #else
 288 // OBSOLETE     FPA_PCR_CC_C0
 289 // OBSOLETE #endif
 290 // OBSOLETE     | FPA_PCR_CC_C2:
 291 // OBSOLETE       printf_unfiltered (" (Unordered)");
 292 // OBSOLETE       break;
 293 // OBSOLETE     default:
 294 // OBSOLETE       printf_unfiltered (" (Undefined)");
 295 // OBSOLETE       break;
 296 // OBSOLETE     }
 297 // OBSOLETE   printf_unfiltered ("\n");
 298 // OBSOLETE   pcr_tmp = pcr & FPA_PCR_AE;
 299 // OBSOLETE   printf_unfiltered ("\tAE= %#x", pcr_tmp);
 300 // OBSOLETE   if (pcr_tmp & FPA_PCR_AE_DE)
 301 // OBSOLETE     printf_unfiltered (" DE");
 302 // OBSOLETE   if (pcr_tmp & FPA_PCR_AE_UOE)
 303 // OBSOLETE     printf_unfiltered (" UOE");
 304 // OBSOLETE   if (pcr_tmp & FPA_PCR_AE_PE)
 305 // OBSOLETE     printf_unfiltered (" PE");
 306 // OBSOLETE   if (pcr_tmp & FPA_PCR_AE_UE)
 307 // OBSOLETE     printf_unfiltered (" UE");
 308 // OBSOLETE   if (pcr_tmp & FPA_PCR_AE_OE)
 309 // OBSOLETE     printf_unfiltered (" OE");
 310 // OBSOLETE   if (pcr_tmp & FPA_PCR_AE_ZE)
 311 // OBSOLETE     printf_unfiltered (" ZE");
 312 // OBSOLETE   if (pcr_tmp & FPA_PCR_AE_EE)
 313 // OBSOLETE     printf_unfiltered (" EE");
 314 // OBSOLETE   if (pcr_tmp & FPA_PCR_AE_IE)
 315 // OBSOLETE     printf_unfiltered (" IE");
 316 // OBSOLETE   printf_unfiltered ("\n");
 317 // OBSOLETE }
 318 // OBSOLETE
 319 // OBSOLETE print_1167_regs (long regs[FPA_NREGS])
 320 // OBSOLETE {
 321 // OBSOLETE   int i;
 322 // OBSOLETE
 323 // OBSOLETE   union
 324 // OBSOLETE     {
 325 // OBSOLETE       double d;
 326 // OBSOLETE       long l[2];
 327 // OBSOLETE     }
 328 // OBSOLETE   xd;
 329 // OBSOLETE   union
 330 // OBSOLETE     {
 331 // OBSOLETE       float f;
 332 // OBSOLETE       long l;
 333 // OBSOLETE     }
 334 // OBSOLETE   xf;
 335 // OBSOLETE
 336 // OBSOLETE
 337 // OBSOLETE   for (i = 0; i < FPA_NREGS; i++)
 338 // OBSOLETE     {
 339 // OBSOLETE       xf.l = regs[i];
 340 // OBSOLETE       printf_unfiltered ("%%fp%d: raw= %#x, single= %f", i + 1, regs[i], xf.f);
 341 // OBSOLETE       if (!(i & 1))
 342 // OBSOLETE     {
 343 // OBSOLETE       printf_unfiltered ("\n");
 344 // OBSOLETE     }
 345 // OBSOLETE       else
 346 // OBSOLETE     {
 347 // OBSOLETE       xd.l[1] = regs[i];
 348 // OBSOLETE       xd.l[0] = regs[i + 1];
 349 // OBSOLETE       printf_unfiltered (", double= %f\n", xd.d);
 350 // OBSOLETE     }
 351 // OBSOLETE     }
 352 // OBSOLETE }
 353 // OBSOLETE
 354 // OBSOLETE print_fpa_status (struct pt_regset ep)
 355 // OBSOLETE {
 356 // OBSOLETE
 357 // OBSOLETE   printf_unfiltered ("WTL 1167:");
 358 // OBSOLETE   if (ep.pr_fpa.fpa_pcr != 0)
 359 // OBSOLETE     {
 360 // OBSOLETE       printf_unfiltered ("\n");
 361 // OBSOLETE       print_1167_control_word (ep.pr_fpa.fpa_pcr);
 362 // OBSOLETE       print_1167_regs (ep.pr_fpa.fpa_regs);
 363 // OBSOLETE     }
 364 // OBSOLETE   else
 365 // OBSOLETE     {
 366 // OBSOLETE       printf_unfiltered (" not in use.\n");
 367 // OBSOLETE     }
 368 // OBSOLETE }
 369 // OBSOLETE
 370 // OBSOLETE #if 0                               /* disabled because it doesn't go through the target vector.  */
 371 // OBSOLETE i386_float_info (void)
 372 // OBSOLETE {
 373 // OBSOLETE   char ubuf[UPAGES * NBPG];
 374 // OBSOLETE   struct pt_regset regset;
 375 // OBSOLETE
 376 // OBSOLETE   if (have_inferior_p ())
 377 // OBSOLETE     {
 378 // OBSOLETE       PTRACE_READ_REGS (PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) & regset);
 379 // OBSOLETE     }
 380 // OBSOLETE   else
 381 // OBSOLETE     {
 382 // OBSOLETE       int corechan = bfd_cache_lookup (core_bfd);
 383 // OBSOLETE       if (lseek (corechan, 0, 0) < 0)
 384 // OBSOLETE     {
 385 // OBSOLETE       perror ("seek on core file");
 386 // OBSOLETE     }
 387 // OBSOLETE       if (myread (corechan, ubuf, UPAGES * NBPG) < 0)
 388 // OBSOLETE     {
 389 // OBSOLETE       perror ("read on core file");
 390 // OBSOLETE     }
 391 // OBSOLETE       /* only interested in the floating point registers */
 392 // OBSOLETE       regset.pr_fpu = ((struct user *) ubuf)->u_fpusave;
 393 // OBSOLETE       regset.pr_fpa = ((struct user *) ubuf)->u_fpasave;
 394 // OBSOLETE     }
 395 // OBSOLETE   print_fpu_status (regset);
 396 // OBSOLETE   print_fpa_status (regset);
 397 // OBSOLETE }
 398 // OBSOLETE #endif
 399 // OBSOLETE
 400 // OBSOLETE static volatile int got_sigchld;
 401 // OBSOLETE
 402 // OBSOLETE /*ARGSUSED */
 403 // OBSOLETE /* This will eventually be more interesting. */
 404 // OBSOLETE void
 405 // OBSOLETE sigchld_handler (int signo)
 406 // OBSOLETE {
 407 // OBSOLETE   got_sigchld++;
 408 // OBSOLETE }
 409 // OBSOLETE
 410 // OBSOLETE /*
 411 // OBSOLETE  * Signals for which the default action does not cause the process
 412 // OBSOLETE  * to die.  See <sys/signal.h> for where this came from (alas, we
 413 // OBSOLETE  * can't use those macros directly)
 414 // OBSOLETE  */
 415 // OBSOLETE #ifndef sigmask
 416 // OBSOLETE #define sigmask(s) (1 << ((s) - 1))
 417 // OBSOLETE #endif
 418 // OBSOLETE #define SIGNALS_DFL_SAFE sigmask(SIGSTOP) | sigmask(SIGTSTP) | \
 419 // OBSOLETE     sigmask(SIGTTIN) | sigmask(SIGTTOU) | sigmask(SIGCHLD) | \
 420 // OBSOLETE     sigmask(SIGCONT) | sigmask(SIGWINCH) | sigmask(SIGPWR) | \
 421 // OBSOLETE     sigmask(SIGURG) | sigmask(SIGPOLL)
 422 // OBSOLETE
 423 // OBSOLETE #ifdef ATTACH_DETACH
 424 // OBSOLETE /*
 425 // OBSOLETE  * Thanks to XPT_MPDEBUGGER, we have to mange child_wait().
 426 // OBSOLETE  */
 427 // OBSOLETE ptid_t
 428 // OBSOLETE child_wait (ptid_t ptid, struct target_waitstatus *status)
 429 // OBSOLETE {
 430 // OBSOLETE   int save_errno, rv, xvaloff, saoff, sa_hand;
 431 // OBSOLETE   struct pt_stop pt;
 432 // OBSOLETE   struct user u;
 433 // OBSOLETE   sigset_t set;
 434 // OBSOLETE   /* Host signal number for a signal which the inferior terminates with, or
 435 // OBSOLETE      0 if it hasn't terminated due to a signal.  */
 436 // OBSOLETE   static int death_by_signal = 0;
 437 // OBSOLETE #ifdef SVR4_SHARED_LIBS             /* use this to distinguish ptx 2 vs ptx 4 */
 438 // OBSOLETE   prstatus_t pstatus;
 439 // OBSOLETE #endif
 440 // OBSOLETE   int pid = PIDGET (ptid);
 441 // OBSOLETE
 442 // OBSOLETE   do
 443 // OBSOLETE     {
 444 // OBSOLETE       set_sigint_trap ();   /* Causes SIGINT to be passed on to the
 445 // OBSOLETE                                attached process. */
 446 // OBSOLETE       save_errno = errno;
 447 // OBSOLETE
 448 // OBSOLETE       got_sigchld = 0;
 449 // OBSOLETE
 450 // OBSOLETE       sigemptyset (&set);
 451 // OBSOLETE
 452 // OBSOLETE       while (got_sigchld == 0)
 453 // OBSOLETE     {
 454 // OBSOLETE       sigsuspend (&set);
 455 // OBSOLETE     }
 456 // OBSOLETE
 457 // OBSOLETE       clear_sigint_trap ();
 458 // OBSOLETE
 459 // OBSOLETE       rv = mptrace (XPT_STOPSTAT, 0, (char *) &pt, 0);
 460 // OBSOLETE       if (-1 == rv)
 461 // OBSOLETE     {
 462 // OBSOLETE       printf ("XPT_STOPSTAT: errno %d\n", errno);   /* DEBUG */
 463 // OBSOLETE       continue;
 464 // OBSOLETE     }
 465 // OBSOLETE
 466 // OBSOLETE       pid = pt.ps_pid;
 467 // OBSOLETE
 468 // OBSOLETE       if (pid != PIDGET (inferior_ptid))
 469 // OBSOLETE     {
 470 // OBSOLETE       /* NOTE: the mystery fork in csh/tcsh needs to be ignored.
 471 // OBSOLETE        * We should not return new children for the initial run
 472 // OBSOLETE        * of a process until it has done the exec.
 473 // OBSOLETE        */
 474 // OBSOLETE       /* inferior probably forked; send it on its way */
 475 // OBSOLETE       rv = mptrace (XPT_UNDEBUG, pid, 0, 0);
 476 // OBSOLETE       if (-1 == rv)
 477 // OBSOLETE         {
 478 // OBSOLETE           printf ("child_wait: XPT_UNDEBUG: pid %d: %s\n", pid,
 479 // OBSOLETE                   safe_strerror (errno));
 480 // OBSOLETE         }
 481 // OBSOLETE       continue;
 482 // OBSOLETE     }
 483 // OBSOLETE       /* FIXME: Do we deal with fork notification correctly?  */
 484 // OBSOLETE       switch (pt.ps_reason)
 485 // OBSOLETE     {
 486 // OBSOLETE     case PTS_FORK:
 487 // OBSOLETE       /* multi proc: treat like PTS_EXEC */
 488 // OBSOLETE       /*
 489 // OBSOLETE        * Pretend this didn't happen, since gdb isn't set up
 490 // OBSOLETE        * to deal with stops on fork.
 491 // OBSOLETE        */
 492 // OBSOLETE       rv = ptrace (PT_CONTSIG, pid, 1, 0);
 493 // OBSOLETE       if (-1 == rv)
 494 // OBSOLETE         {
 495 // OBSOLETE           printf ("PTS_FORK: PT_CONTSIG: error %d\n", errno);
 496 // OBSOLETE         }
 497 // OBSOLETE       continue;
 498 // OBSOLETE     case PTS_EXEC:
 499 // OBSOLETE       /*
 500 // OBSOLETE        * Pretend this is a SIGTRAP.
 501 // OBSOLETE        */
 502 // OBSOLETE       status->kind = TARGET_WAITKIND_STOPPED;
 503 // OBSOLETE       status->value.sig = TARGET_SIGNAL_TRAP;
 504 // OBSOLETE       break;
 505 // OBSOLETE     case PTS_EXIT:
 506 // OBSOLETE       /*
 507 // OBSOLETE        * Note: we stop before the exit actually occurs.  Extract
 508 // OBSOLETE        * the exit code from the uarea.  If we're stopped in the
 509 // OBSOLETE        * exit() system call, the exit code will be in
 510 // OBSOLETE        * u.u_ap[0].  An exit due to an uncaught signal will have
 511 // OBSOLETE        * something else in here, see the comment in the default:
 512 // OBSOLETE        * case, below.  Finally,let the process exit.
 513 // OBSOLETE        */
 514 // OBSOLETE       if (death_by_signal)
 515 // OBSOLETE         {
 516 // OBSOLETE           status->kind = TARGET_WAITKIND_SIGNALED;
 517 // OBSOLETE           status->value.sig = target_signal_from_host (death_by_signal);
 518 // OBSOLETE           death_by_signal = 0;
 519 // OBSOLETE           break;
 520 // OBSOLETE         }
 521 // OBSOLETE       xvaloff = (unsigned long) &u.u_ap[0] - (unsigned long) &u;
 522 // OBSOLETE       errno = 0;
 523 // OBSOLETE       rv = ptrace (PT_RUSER, pid, (char *) xvaloff, 0);
 524 // OBSOLETE       status->kind = TARGET_WAITKIND_EXITED;
 525 // OBSOLETE       status->value.integer = rv;
 526 // OBSOLETE       /*
 527 // OBSOLETE        * addr & data to mptrace() don't matter here, since
 528 // OBSOLETE        * the process is already dead.
 529 // OBSOLETE        */
 530 // OBSOLETE       rv = mptrace (XPT_UNDEBUG, pid, 0, 0);
 531 // OBSOLETE       if (-1 == rv)
 532 // OBSOLETE         {
 533 // OBSOLETE           printf ("child_wait: PTS_EXIT: XPT_UNDEBUG: pid %d error %d\n", pid,
 534 // OBSOLETE                   errno);
 535 // OBSOLETE         }
 536 // OBSOLETE       break;
 537 // OBSOLETE     case PTS_WATCHPT_HIT:
 538 // OBSOLETE       internal_error (__FILE__, __LINE__,
 539 // OBSOLETE                       "PTS_WATCHPT_HIT\n");
 540 // OBSOLETE       break;
 541 // OBSOLETE     default:
 542 // OBSOLETE       /* stopped by signal */
 543 // OBSOLETE       status->kind = TARGET_WAITKIND_STOPPED;
 544 // OBSOLETE       status->value.sig = target_signal_from_host (pt.ps_reason);
 545 // OBSOLETE       death_by_signal = 0;
 546 // OBSOLETE
 547 // OBSOLETE       if (0 == (SIGNALS_DFL_SAFE & sigmask (pt.ps_reason)))
 548 // OBSOLETE         {
 549 // OBSOLETE           break;
 550 // OBSOLETE         }
 551 // OBSOLETE       /* else default action of signal is to die */
 552 // OBSOLETE #ifdef SVR4_SHARED_LIBS
 553 // OBSOLETE       rv = ptrace (PT_GET_PRSTATUS, pid, (char *) &pstatus, 0);
 554 // OBSOLETE       if (-1 == rv)
 555 // OBSOLETE         error ("child_wait: signal %d PT_GET_PRSTATUS: %s\n",
 556 // OBSOLETE                pt.ps_reason, safe_strerror (errno));
 557 // OBSOLETE       if (pstatus.pr_cursig != pt.ps_reason)
 558 // OBSOLETE         {
 559 // OBSOLETE           printf ("pstatus signal %d, pt signal %d\n",
 560 // OBSOLETE                   pstatus.pr_cursig, pt.ps_reason);
 561 // OBSOLETE         }
 562 // OBSOLETE       sa_hand = (int) pstatus.pr_action.sa_handler;
 563 // OBSOLETE #else
 564 // OBSOLETE       saoff = (unsigned long) &u.u_sa[0] - (unsigned long) &u;
 565 // OBSOLETE       saoff += sizeof (struct sigaction) * (pt.ps_reason - 1);
 566 // OBSOLETE       errno = 0;
 567 // OBSOLETE       sa_hand = ptrace (PT_RUSER, pid, (char *) saoff, 0);
 568 // OBSOLETE       if (errno)
 569 // OBSOLETE         error ("child_wait: signal %d: RUSER: %s\n",
 570 // OBSOLETE                pt.ps_reason, safe_strerror (errno));
 571 // OBSOLETE #endif
 572 // OBSOLETE       if ((int) SIG_DFL == sa_hand)
 573 // OBSOLETE         {
 574 // OBSOLETE           /* we will be dying */
 575 // OBSOLETE           death_by_signal = pt.ps_reason;
 576 // OBSOLETE         }
 577 // OBSOLETE       break;
 578 // OBSOLETE     }
 579 // OBSOLETE
 580 // OBSOLETE     }
 581 // OBSOLETE   while (pid != PIDGET (inferior_ptid));    /* Some other child died or stopped */
 582 // OBSOLETE
 583 // OBSOLETE   return pid_to_ptid (pid);
 584 // OBSOLETE }
 585 // OBSOLETE #else /* !ATTACH_DETACH */
 586 // OBSOLETE /*
 587 // OBSOLETE  * Simple child_wait() based on inftarg.c child_wait() for use until
 588 // OBSOLETE  * the MPDEBUGGER child_wait() works properly.  This will go away when
 589 // OBSOLETE  * that is fixed.
 590 // OBSOLETE  */
 591 // OBSOLETE ptid_t
 592 // OBSOLETE child_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
 593 // OBSOLETE {
 594 // OBSOLETE   int save_errno;
 595 // OBSOLETE   int status;
 596 // OBSOLETE   int pid = PIDGET (ptid);
 597 // OBSOLETE
 598 // OBSOLETE   do
 599 // OBSOLETE     {
 600 // OBSOLETE       pid = wait (&status);
 601 // OBSOLETE       save_errno = errno;
 602 // OBSOLETE
 603 // OBSOLETE       if (pid == -1)
 604 // OBSOLETE     {
 605 // OBSOLETE       if (save_errno == EINTR)
 606 // OBSOLETE         continue;
 607 // OBSOLETE       fprintf (stderr, "Child process unexpectedly missing: %s.\n",
 608 // OBSOLETE                safe_strerror (save_errno));
 609 // OBSOLETE       ourstatus->kind = TARGET_WAITKIND_SIGNALLED;
 610 // OBSOLETE       ourstatus->value.sig = TARGET_SIGNAL_UNKNOWN;
 611 // OBSOLETE       return pid_to_ptid (-1);
 612 // OBSOLETE     }
 613 // OBSOLETE     }
 614 // OBSOLETE   while (pid != PIDGET (inferior_ptid));    /* Some other child died or stopped */
 615 // OBSOLETE   store_waitstatus (ourstatus, status);
 616 // OBSOLETE   return pid_to_ptid (pid);
 617 // OBSOLETE }
 618 // OBSOLETE #endif /* ATTACH_DETACH */
 619 // OBSOLETE \f
 620 // OBSOLETE
 621 // OBSOLETE
 622 // OBSOLETE /* This function simply calls ptrace with the given arguments.
 623 // OBSOLETE    It exists so that all calls to ptrace are isolated in this
 624 // OBSOLETE    machine-dependent file. */
 625 // OBSOLETE int
 626 // OBSOLETE call_ptrace (int request, int pid, PTRACE_ARG3_TYPE addr, int data)
 627 // OBSOLETE {
 628 // OBSOLETE   return ptrace (request, pid, addr, data);
 629 // OBSOLETE }
 630 // OBSOLETE
 631 // OBSOLETE int
 632 // OBSOLETE call_mptrace (int request, int pid, PTRACE_ARG3_TYPE addr, int data)
 633 // OBSOLETE {
 634 // OBSOLETE   return mptrace (request, pid, addr, data);
 635 // OBSOLETE }
 636 // OBSOLETE
 637 // OBSOLETE #if defined (DEBUG_PTRACE)
 638 // OBSOLETE /* For the rest of the file, use an extra level of indirection */
 639 // OBSOLETE /* This lets us breakpoint usefully on call_ptrace. */
 640 // OBSOLETE #define ptrace call_ptrace
 641 // OBSOLETE #define mptrace call_mptrace
 642 // OBSOLETE #endif
 643 // OBSOLETE
 644 // OBSOLETE void
 645 // OBSOLETE kill_inferior (void)
 646 // OBSOLETE {
 647 // OBSOLETE   if (ptid_equal (inferior_ptid, null_ptid))
 648 // OBSOLETE     return;
 649 // OBSOLETE
 650 // OBSOLETE   /* For MPDEBUGGER, don't use PT_KILL, since the child will stop
 651 // OBSOLETE      again with a PTS_EXIT.  Just hit him with SIGKILL (so he stops)
 652 // OBSOLETE      and detach. */
 653 // OBSOLETE
 654 // OBSOLETE   kill (PIDGET (inferior_ptid), SIGKILL);
 655 // OBSOLETE #ifdef ATTACH_DETACH
 656 // OBSOLETE   detach (SIGKILL);
 657 // OBSOLETE #else /* ATTACH_DETACH */
 658 // OBSOLETE   ptrace (PT_KILL, PIDGET (inferior_ptid), 0, 0);
 659 // OBSOLETE   wait ((int *) NULL);
 660 // OBSOLETE #endif /* ATTACH_DETACH */
 661 // OBSOLETE   target_mourn_inferior ();
 662 // OBSOLETE }
 663 // OBSOLETE
 664 // OBSOLETE /* Resume execution of the inferior process.
 665 // OBSOLETE    If STEP is nonzero, single-step it.
 666 // OBSOLETE    If SIGNAL is nonzero, give it that signal.  */
 667 // OBSOLETE
 668 // OBSOLETE void
 669 // OBSOLETE child_resume (ptid_t ptid, int step, enum target_signal signal)
 670 // OBSOLETE {
 671 // OBSOLETE   int pid = PIDGET (ptid);
 672 // OBSOLETE
 673 // OBSOLETE   errno = 0;
 674 // OBSOLETE
 675 // OBSOLETE   if (pid == -1)
 676 // OBSOLETE     pid = PIDGET (inferior_ptid);
 677 // OBSOLETE
 678 // OBSOLETE   /* An address of (PTRACE_ARG3_TYPE)1 tells ptrace to continue from where
 679 // OBSOLETE      it was.  (If GDB wanted it to start some other way, we have already
 680 // OBSOLETE      written a new PC value to the child.)
 681 // OBSOLETE
 682 // OBSOLETE      If this system does not support PT_SSTEP, a higher level function will
 683 // OBSOLETE      have called single_step() to transmute the step request into a
 684 // OBSOLETE      continue request (by setting breakpoints on all possible successor
 685 // OBSOLETE      instructions), so we don't have to worry about that here.  */
 686 // OBSOLETE
 687 // OBSOLETE   if (step)
 688 // OBSOLETE     ptrace (PT_SSTEP, pid, (PTRACE_ARG3_TYPE) 1, signal);
 689 // OBSOLETE   else
 690 // OBSOLETE     ptrace (PT_CONTSIG, pid, (PTRACE_ARG3_TYPE) 1, signal);
 691 // OBSOLETE
 692 // OBSOLETE   if (errno)
 693 // OBSOLETE     perror_with_name ("ptrace");
 694 // OBSOLETE }
 695 // OBSOLETE \f
 696 // OBSOLETE #ifdef ATTACH_DETACH
 697 // OBSOLETE /* Start debugging the process whose number is PID.  */
 698 // OBSOLETE int
 699 // OBSOLETE attach (int pid)
 700 // OBSOLETE {
 701 // OBSOLETE   sigset_t set;
 702 // OBSOLETE   int rv;
 703 // OBSOLETE
 704 // OBSOLETE   rv = mptrace (XPT_DEBUG, pid, 0, 0);
 705 // OBSOLETE   if (-1 == rv)
 706 // OBSOLETE     {
 707 // OBSOLETE       error ("mptrace(XPT_DEBUG): %s", safe_strerror (errno));
 708 // OBSOLETE     }
 709 // OBSOLETE   rv = mptrace (XPT_SIGNAL, pid, 0, SIGSTOP);
 710 // OBSOLETE   if (-1 == rv)
 711 // OBSOLETE     {
 712 // OBSOLETE       error ("mptrace(XPT_SIGNAL): %s", safe_strerror (errno));
 713 // OBSOLETE     }
 714 // OBSOLETE   attach_flag = 1;
 715 // OBSOLETE   return pid;
 716 // OBSOLETE }
 717 // OBSOLETE
 718 // OBSOLETE void
 719 // OBSOLETE detach (int signo)
 720 // OBSOLETE {
 721 // OBSOLETE   int rv;
 722 // OBSOLETE
 723 // OBSOLETE   rv = mptrace (XPT_UNDEBUG, PIDGET (inferior_ptid), 1, signo);
 724 // OBSOLETE   if (-1 == rv)
 725 // OBSOLETE     {
 726 // OBSOLETE       error ("mptrace(XPT_UNDEBUG): %s", safe_strerror (errno));
 727 // OBSOLETE     }
 728 // OBSOLETE   attach_flag = 0;
 729 // OBSOLETE }
 730 // OBSOLETE
 731 // OBSOLETE #endif /* ATTACH_DETACH */
 732 // OBSOLETE \f
 733 // OBSOLETE /* Default the type of the ptrace transfer to int.  */
 734 // OBSOLETE #ifndef PTRACE_XFER_TYPE
 735 // OBSOLETE #define PTRACE_XFER_TYPE int
 736 // OBSOLETE #endif
 737 // OBSOLETE \f
 738 // OBSOLETE
 739 // OBSOLETE /* NOTE! I tried using PTRACE_READDATA, etc., to read and write memory
 740 // OBSOLETE    in the NEW_SUN_PTRACE case.
 741 // OBSOLETE    It ought to be straightforward.  But it appears that writing did
 742 // OBSOLETE    not write the data that I specified.  I cannot understand where
 743 // OBSOLETE    it got the data that it actually did write.  */
 744 // OBSOLETE
 745 // OBSOLETE /* Copy LEN bytes to or from inferior's memory starting at MEMADDR
 746 // OBSOLETE    to debugger memory starting at MYADDR.   Copy to inferior if
 747 // OBSOLETE    WRITE is nonzero.  TARGET is ignored.
 748 // OBSOLETE
 749 // OBSOLETE    Returns the length copied, which is either the LEN argument or zero.
 750 // OBSOLETE    This xfer function does not do partial moves, since child_ops
 751 // OBSOLETE    doesn't allow memory operations to cross below us in the target stack
 752 // OBSOLETE    anyway.  */
 753 // OBSOLETE
 754 // OBSOLETE int
 755 // OBSOLETE child_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
 756 // OBSOLETE                struct mem_attrib *attrib,
 757 // OBSOLETE                struct target_ops *target)
 758 // OBSOLETE {
 759 // OBSOLETE   register int i;
 760 // OBSOLETE   /* Round starting address down to longword boundary.  */
 761 // OBSOLETE   register CORE_ADDR addr = memaddr & -(CORE_ADDR) sizeof (PTRACE_XFER_TYPE);
 762 // OBSOLETE   /* Round ending address up; get number of longwords that makes.  */
 763 // OBSOLETE   register int count
 764 // OBSOLETE   = (((memaddr + len) - addr) + sizeof (PTRACE_XFER_TYPE) - 1)
 765 // OBSOLETE   / sizeof (PTRACE_XFER_TYPE);
 766 // OBSOLETE   /* Allocate buffer of that many longwords.  */
 767 // OBSOLETE   /* FIXME (alloca): This code, cloned from infptrace.c, is unsafe
 768 // OBSOLETE      because it uses alloca to allocate a buffer of arbitrary size.
 769 // OBSOLETE      For very large xfers, this could crash GDB's stack.  */
 770 // OBSOLETE   register PTRACE_XFER_TYPE *buffer
 771 // OBSOLETE     = (PTRACE_XFER_TYPE *) alloca (count * sizeof (PTRACE_XFER_TYPE));
 772 // OBSOLETE
 773 // OBSOLETE   if (write)
 774 // OBSOLETE     {
 775 // OBSOLETE       /* Fill start and end extra bytes of buffer with existing memory data.  */
 776 // OBSOLETE
 777 // OBSOLETE       if (addr != memaddr || len < (int) sizeof (PTRACE_XFER_TYPE))
 778 // OBSOLETE     {
 779 // OBSOLETE       /* Need part of initial word -- fetch it.  */
 780 // OBSOLETE       buffer[0] = ptrace (PT_RTEXT, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) addr,
 781 // OBSOLETE                           0);
 782 // OBSOLETE     }
 783 // OBSOLETE
 784 // OBSOLETE       if (count > 1)                /* FIXME, avoid if even boundary */
 785 // OBSOLETE     {
 786 // OBSOLETE       buffer[count - 1]
 787 // OBSOLETE         = ptrace (PT_RTEXT, PIDGET (inferior_ptid),
 788 // OBSOLETE                   ((PTRACE_ARG3_TYPE)
 789 // OBSOLETE                    (addr + (count - 1) * sizeof (PTRACE_XFER_TYPE))),
 790 // OBSOLETE                   0);
 791 // OBSOLETE     }
 792 // OBSOLETE
 793 // OBSOLETE       /* Copy data to be written over corresponding part of buffer */
 794 // OBSOLETE
 795 // OBSOLETE       memcpy ((char *) buffer + (memaddr & (sizeof (PTRACE_XFER_TYPE) - 1)),
 796 // OBSOLETE           myaddr,
 797 // OBSOLETE           len);
 798 // OBSOLETE
 799 // OBSOLETE       /* Write the entire buffer.  */
 800 // OBSOLETE
 801 // OBSOLETE       for (i = 0; i < count; i++, addr += sizeof (PTRACE_XFER_TYPE))
 802 // OBSOLETE     {
 803 // OBSOLETE       errno = 0;
 804 // OBSOLETE       ptrace (PT_WDATA, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) addr,
 805 // OBSOLETE               buffer[i]);
 806 // OBSOLETE       if (errno)
 807 // OBSOLETE         {
 808 // OBSOLETE           /* Using the appropriate one (I or D) is necessary for
 809 // OBSOLETE              Gould NP1, at least.  */
 810 // OBSOLETE           errno = 0;
 811 // OBSOLETE           ptrace (PT_WTEXT, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) addr,
 812 // OBSOLETE                   buffer[i]);
 813 // OBSOLETE         }
 814 // OBSOLETE       if (errno)
 815 // OBSOLETE         return 0;
 816 // OBSOLETE     }
 817 // OBSOLETE     }
 818 // OBSOLETE   else
 819 // OBSOLETE     {
 820 // OBSOLETE       /* Read all the longwords */
 821 // OBSOLETE       for (i = 0; i < count; i++, addr += sizeof (PTRACE_XFER_TYPE))
 822 // OBSOLETE     {
 823 // OBSOLETE       errno = 0;
 824 // OBSOLETE       buffer[i] = ptrace (PT_RTEXT, PIDGET (inferior_ptid),
 825 // OBSOLETE                           (PTRACE_ARG3_TYPE) addr, 0);
 826 // OBSOLETE       if (errno)
 827 // OBSOLETE         return 0;
 828 // OBSOLETE       QUIT;
 829 // OBSOLETE     }
 830 // OBSOLETE
 831 // OBSOLETE       /* Copy appropriate bytes out of the buffer.  */
 832 // OBSOLETE       memcpy (myaddr,
 833 // OBSOLETE           (char *) buffer + (memaddr & (sizeof (PTRACE_XFER_TYPE) - 1)),
 834 // OBSOLETE           len);
 835 // OBSOLETE     }
 836 // OBSOLETE   return len;
 837 // OBSOLETE }
 838 // OBSOLETE
 839 // OBSOLETE
 840 // OBSOLETE void
 841 // OBSOLETE _initialize_symm_nat (void)
 842 // OBSOLETE {
 843 // OBSOLETE #ifdef ATTACH_DETACH
 844 // OBSOLETE /*
 845 // OBSOLETE  * the MPDEBUGGER is necessary for process tree debugging and attach
 846 // OBSOLETE  * to work, but it alters the behavior of debugged processes, so other
 847 // OBSOLETE  * things (at least child_wait()) will have to change to accomodate
 848 // OBSOLETE  * that.
 849 // OBSOLETE  *
 850 // OBSOLETE  * Note that attach is not implemented in dynix 3, and not in ptx
 851 // OBSOLETE  * until version 2.1 of the OS.
 852 // OBSOLETE  */
 853 // OBSOLETE   int rv;
 854 // OBSOLETE   sigset_t set;
 855 // OBSOLETE   struct sigaction sact;
 856 // OBSOLETE
 857 // OBSOLETE   rv = mptrace (XPT_MPDEBUGGER, 0, 0, 0);
 858 // OBSOLETE   if (-1 == rv)
 859 // OBSOLETE     {
 860 // OBSOLETE       internal_error (__FILE__, __LINE__,
 861 // OBSOLETE                   "_initialize_symm_nat(): mptrace(XPT_MPDEBUGGER): %s",
 862 // OBSOLETE                   safe_strerror (errno));
 863 // OBSOLETE     }
 864 // OBSOLETE
 865 // OBSOLETE   /*
 866 // OBSOLETE    * Under MPDEBUGGER, we get SIGCLHD when a traced process does
 867 // OBSOLETE    * anything of interest.
 868 // OBSOLETE    */
 869 // OBSOLETE
 870 // OBSOLETE   /*
 871 // OBSOLETE    * Block SIGCHLD.  We leave it blocked all the time, and then
 872 // OBSOLETE    * call sigsuspend() in child_wait() to wait for the child
 873 // OBSOLETE    * to do something.  None of these ought to fail, but check anyway.
 874 // OBSOLETE    */
 875 // OBSOLETE   sigemptyset (&set);
 876 // OBSOLETE   rv = sigaddset (&set, SIGCHLD);
 877 // OBSOLETE   if (-1 == rv)
 878 // OBSOLETE     {
 879 // OBSOLETE       internal_error (__FILE__, __LINE__,
 880 // OBSOLETE                   "_initialize_symm_nat(): sigaddset(SIGCHLD): %s",
 881 // OBSOLETE                   safe_strerror (errno));
 882 // OBSOLETE     }
 883 // OBSOLETE   rv = sigprocmask (SIG_BLOCK, &set, (sigset_t *) NULL);
 884 // OBSOLETE   if (-1 == rv)
 885 // OBSOLETE     {
 886 // OBSOLETE       internal_error (__FILE__, __LINE__,
 887 // OBSOLETE                   "_initialize_symm_nat(): sigprocmask(SIG_BLOCK): %s",
 888 // OBSOLETE                   safe_strerror (errno));
 889 // OBSOLETE     }
 890 // OBSOLETE
 891 // OBSOLETE   sact.sa_handler = sigchld_handler;
 892 // OBSOLETE   sigemptyset (&sact.sa_mask);
 893 // OBSOLETE   sact.sa_flags = SA_NOCLDWAIT;     /* keep the zombies away */
 894 // OBSOLETE   rv = sigaction (SIGCHLD, &sact, (struct sigaction *) NULL);
 895 // OBSOLETE   if (-1 == rv)
 896 // OBSOLETE     {
 897 // OBSOLETE       internal_error (__FILE__, __LINE__,
 898 // OBSOLETE                   "_initialize_symm_nat(): sigaction(SIGCHLD): %s",
 899 // OBSOLETE                   safe_strerror (errno));
 900 // OBSOLETE     }
 901 // OBSOLETE #endif
 902 // OBSOLETE }