gdb/m32r-rom.c

   1 /* Remote debugging interface to m32r and mon2000 ROM monitors for GDB,
   2    the GNU debugger.
   3
   4    Copyright (C) 1996-2014 Free Software Foundation, Inc.
   5
   6    Adapted by Michael Snyder of Cygnus Support.
   7
   8    This file is part of GDB.
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  22
  23 /* This module defines communication with the Renesas m32r monitor.  */
  24
  25 #include "defs.h"
  26 #include "gdbcore.h"
  27 #include "target.h"
  28 #include "exceptions.h"
  29 #include "monitor.h"
  30 #include "serial.h"
  31 #include "symtab.h"
  32 #include "command.h"
  33 #include "gdbcmd.h"
  34 #include "symfile.h"            /* for generic load */
  35 #include <sys/time.h>
  36 #include <time.h>               /* for time_t */
  37 #include <string.h>
  38 #include "objfiles.h"           /* for ALL_OBJFILES etc.  */
  39 #include "inferior.h"
  40 #include <ctype.h>
  41 #include "regcache.h"
  42 #include "gdb_bfd.h"
  43 #include "cli/cli-utils.h"
  44
  45 /*
  46  * All this stuff just to get my host computer's IP address!
  47  */
  48 #ifdef __MINGW32__
  49 #include <winsock2.h>
  50 #else
  51 #include <sys/types.h>
  52 #include <netdb.h>              /* for hostent */
  53 #include <netinet/in.h>         /* for struct in_addr */
  54 #if 1
  55 #include <arpa/inet.h>          /* for inet_ntoa */
  56 #endif
  57 #endif
  58
  59 static char *board_addr;        /* user-settable IP address for M32R-EVA */
  60 static char *server_addr;       /* user-settable IP address for gdb host */
  61 static char *download_path;     /* user-settable path for SREC files     */
  62
  63
  64 /* REGNUM */
  65 #define PSW_REGNUM      16
  66 #define SPI_REGNUM      18
  67 #define SPU_REGNUM      19
  68 #define ACCL_REGNUM     22
  69 #define ACCH_REGNUM     23
  70
  71
  72 /*
  73  * Function: m32r_load_1 (helper function)
  74  */
  75
  76 static void
  77 m32r_load_section (bfd *abfd, asection *s, void *obj)
  78 {
  79   unsigned int *data_count = obj;
  80   if (s->flags & SEC_LOAD)
  81     {
  82       int addr_size = gdbarch_addr_bit (target_gdbarch ()) / 8;
  83       bfd_size_type section_size = bfd_section_size (abfd, s);
  84       bfd_vma section_base = bfd_section_lma (abfd, s);
  85       unsigned int buffer, i;
  86
  87       *data_count += section_size;
  88
  89       printf_filtered ("Loading section %s, size 0x%lx lma ",
  90                        bfd_section_name (abfd, s),
  91                        (unsigned long) section_size);
  92       fputs_filtered (paddress (target_gdbarch (), section_base), gdb_stdout);
  93       printf_filtered ("\n");
  94       gdb_flush (gdb_stdout);
  95       monitor_printf ("%s mw\r", phex_nz (section_base, addr_size));
  96       for (i = 0; i < section_size; i += 4)
  97         {
  98           QUIT;
  99           monitor_expect (" -> ", NULL, 0);
 100           bfd_get_section_contents (abfd, s, (char *) &buffer, i, 4);
 101           monitor_printf ("%x\n", buffer);
 102         }
 103       monitor_expect (" -> ", NULL, 0);
 104       monitor_printf ("q\n");
 105       monitor_expect_prompt (NULL, 0);
 106     }
 107 }
 108
 109 static int
 110 m32r_load_1 (void *dummy)
 111 {
 112   int data_count = 0;
 113
 114   bfd_map_over_sections ((bfd *) dummy, m32r_load_section, &data_count);
 115   return data_count;
 116 }
 117
 118 /*
 119  * Function: m32r_load (an alternate way to load)
 120  */
 121
 122 static void
 123 m32r_load (char *filename, int from_tty)
 124 {
 125   bfd *abfd;
 126   unsigned int data_count = 0;
 127   struct timeval start_time, end_time;
 128   struct cleanup *cleanup;
 129
 130   if (filename == NULL || filename[0] == 0)
 131     filename = get_exec_file (1);
 132
 133   abfd = gdb_bfd_open (filename, NULL, -1);
 134   if (!abfd)
 135     error (_("Unable to open file %s."), filename);
 136   cleanup = make_cleanup_bfd_unref (abfd);
 137   if (bfd_check_format (abfd, bfd_object) == 0)
 138     error (_("File is not an object file."));
 139   gettimeofday (&start_time, NULL);
 140 #if 0
 141   for (s = abfd->sections; s; s = s->next)
 142     if (s->flags & SEC_LOAD)
 143       {
 144         bfd_size_type section_size = bfd_section_size (abfd, s);
 145         bfd_vma section_base = bfd_section_vma (abfd, s);
 146         unsigned int buffer;
 147
 148         data_count += section_size;
 149
 150         printf_filtered ("Loading section %s, size 0x%lx vma ",
 151                          bfd_section_name (abfd, s), section_size);
 152         fputs_filtered (paddress (target_gdbarch (), section_base), gdb_stdout);
 153         printf_filtered ("\n");
 154         gdb_flush (gdb_stdout);
 155         monitor_printf ("%x mw\r", section_base);
 156         for (i = 0; i < section_size; i += 4)
 157           {
 158             monitor_expect (" -> ", NULL, 0);
 159             bfd_get_section_contents (abfd, s, (char *) &buffer, i, 4);
 160             monitor_printf ("%x\n", buffer);
 161           }
 162         monitor_expect (" -> ", NULL, 0);
 163         monitor_printf ("q\n");
 164         monitor_expect_prompt (NULL, 0);
 165       }
 166 #else
 167   if (!(catch_errors (m32r_load_1, abfd, "Load aborted!\n", RETURN_MASK_ALL)))
 168     {
 169       monitor_printf ("q\n");
 170       do_cleanups (cleanup);
 171       return;
 172     }
 173 #endif
 174   gettimeofday (&end_time, NULL);
 175   printf_filtered ("Start address 0x%lx\n",
 176                    (unsigned long) bfd_get_start_address (abfd));
 177   print_transfer_performance (gdb_stdout, data_count, 0, &start_time,
 178                               &end_time);
 179
 180   /* Finally, make the PC point at the start address.  */
 181   if (exec_bfd)
 182     regcache_write_pc (get_current_regcache (),
 183                        bfd_get_start_address (exec_bfd));
 184
 185   inferior_ptid = null_ptid;    /* No process now.  */
 186
 187   /* This is necessary because many things were based on the PC at the
 188      time that we attached to the monitor, which is no longer valid
 189      now that we have loaded new code (and just changed the PC).
 190      Another way to do this might be to call normal_stop, except that
 191      the stack may not be valid, and things would get horribly
 192      confused...  */
 193
 194   clear_symtab_users (0);
 195   do_cleanups (cleanup);
 196 }
 197
 198 static void
 199 m32r_load_gen (char *filename, int from_tty)
 200 {
 201   generic_load (filename, from_tty);
 202 }
 203
 204 static void m32r_open (char *args, int from_tty);
 205 static void mon2000_open (char *args, int from_tty);
 206
 207 /* This array of registers needs to match the indexes used by GDB.  The
 208    whole reason this exists is because the various ROM monitors use
 209    different names than GDB does, and don't support all the registers
 210    either.  So, typing "info reg sp" becomes an "A7".  */
 211
 212 static char *m32r_regnames[] =
 213   { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
 214   "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
 215   "psw", "cbr", "spi", "spu", "bpc", "pc", "accl", "acch",
 216 };
 217
 218 static void
 219 m32r_supply_register (struct regcache *regcache, char *regname,
 220                       int regnamelen, char *val, int vallen)
 221 {
 222   int regno;
 223   int num_regs = sizeof (m32r_regnames) / sizeof (m32r_regnames[0]);
 224   struct gdbarch *gdbarch = get_regcache_arch (regcache);
 225
 226   for (regno = 0; regno < num_regs; regno++)
 227     if (strncmp (regname, m32r_regnames[regno], regnamelen) == 0)
 228       break;
 229
 230   if (regno >= num_regs)
 231     return;                     /* no match */
 232
 233   if (regno == ACCL_REGNUM)
 234     {                           /* Special handling for 64-bit acc reg.  */
 235       monitor_supply_register (regcache, ACCH_REGNUM, val);
 236       val = strchr (val, ':');  /* Skip past ':' to get 2nd word.  */
 237       if (val != NULL)
 238         monitor_supply_register (regcache, ACCL_REGNUM, val + 1);
 239     }
 240   else
 241     {
 242       monitor_supply_register (regcache, regno, val);
 243       if (regno == PSW_REGNUM)
 244         {
 245 #if (defined SM_REGNUM || defined BSM_REGNUM || defined IE_REGNUM \
 246      || defined BIE_REGNUM || defined COND_REGNUM  || defined CBR_REGNUM \
 247      || defined BPC_REGNUM || defined BCARRY_REGNUM)
 248           unsigned long psw = strtoul (val, NULL, 16);
 249           char *zero = "00000000", *one = "00000001";
 250 #endif
 251
 252 #ifdef SM_REGNUM
 253           /* Stack mode bit */
 254           monitor_supply_register (regcache, SM_REGNUM,
 255                                    (psw & 0x80) ? one : zero);
 256 #endif
 257 #ifdef BSM_REGNUM
 258           /* Backup stack mode bit */
 259           monitor_supply_register (regcache, BSM_REGNUM,
 260                                    (psw & 0x8000) ? one : zero);
 261 #endif
 262 #ifdef IE_REGNUM
 263           /* Interrupt enable bit */
 264           monitor_supply_register (regcache, IE_REGNUM,
 265                                    (psw & 0x40) ? one : zero);
 266 #endif
 267 #ifdef BIE_REGNUM
 268           /* Backup interrupt enable bit */
 269           monitor_supply_register (regcache, BIE_REGNUM,
 270                                    (psw & 0x4000) ? one : zero);
 271 #endif
 272 #ifdef COND_REGNUM
 273           /* Condition bit (carry etc.) */
 274           monitor_supply_register (regcache, COND_REGNUM,
 275                                    (psw & 0x1) ? one : zero);
 276 #endif
 277 #ifdef CBR_REGNUM
 278           monitor_supply_register (regcache, CBR_REGNUM,
 279                                    (psw & 0x1) ? one : zero);
 280 #endif
 281 #ifdef BPC_REGNUM
 282           monitor_supply_register (regcache, BPC_REGNUM,
 283                                    zero);       /* KLUDGE:   (???????) */
 284 #endif
 285 #ifdef BCARRY_REGNUM
 286           monitor_supply_register (regcache, BCARRY_REGNUM,
 287                                    zero);       /* KLUDGE: (??????) */
 288 #endif
 289         }
 290
 291       if (regno == SPI_REGNUM || regno == SPU_REGNUM)
 292         {       /* special handling for stack pointer (spu or spi).  */
 293           ULONGEST stackmode, psw;
 294           regcache_cooked_read_unsigned (regcache, PSW_REGNUM, &psw);
 295           stackmode = psw & 0x80;
 296
 297           if (regno == SPI_REGNUM && !stackmode)        /* SP == SPI */
 298             monitor_supply_register (regcache,
 299                                      gdbarch_sp_regnum (gdbarch), val);
 300           else if (regno == SPU_REGNUM && stackmode)    /* SP == SPU */
 301             monitor_supply_register (regcache,
 302                                      gdbarch_sp_regnum (gdbarch), val);
 303         }
 304     }
 305 }
 306
 307 /* m32r RevC board monitor */
 308
 309 static struct target_ops m32r_ops;
 310
 311 static char *m32r_inits[] = { "\r", NULL };
 312
 313 static struct monitor_ops m32r_cmds;
 314
 315 static void
 316 init_m32r_cmds (void)
 317 {
 318   m32r_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_REGISTER_VALUE_FIRST;
 319   m32r_cmds.init = m32r_inits;  /* Init strings */
 320   m32r_cmds.cont = "go\r";      /* continue command */
 321   m32r_cmds.step = "step\r";    /* single step */
 322   m32r_cmds.stop = NULL;        /* interrupt command */
 323   m32r_cmds.set_break = "%x +bp\r";     /* set a breakpoint */
 324   m32r_cmds.clr_break = "%x -bp\r";     /* clear a breakpoint */
 325   m32r_cmds.clr_all_break = "bpoff\r";  /* clear all breakpoints */
 326   m32r_cmds.fill = "%x %x %x fill\r";   /* fill (start length val) */
 327   m32r_cmds.setmem.cmdb = "%x 1 %x fill\r";     /* setmem.cmdb (addr, value) */
 328   m32r_cmds.setmem.cmdw = "%x 1 %x fillh\r";    /* setmem.cmdw (addr, value) */
 329   m32r_cmds.setmem.cmdl = "%x 1 %x fillw\r";    /* setmem.cmdl (addr, value) */
 330   m32r_cmds.setmem.cmdll = NULL;        /* setmem.cmdll (addr, value) */
 331   m32r_cmds.setmem.resp_delim = NULL;   /* setmem.resp_delim */
 332   m32r_cmds.setmem.term = NULL; /* setmem.term */
 333   m32r_cmds.setmem.term_cmd = NULL;     /* setmem.term_cmd */
 334   m32r_cmds.getmem.cmdb = "%x %x dump\r";       /* getmem.cmdb (addr, len) */
 335   m32r_cmds.getmem.cmdw = NULL; /* getmem.cmdw (addr, len) */
 336   m32r_cmds.getmem.cmdl = NULL; /* getmem.cmdl (addr, len) */
 337   m32r_cmds.getmem.cmdll = NULL;        /* getmem.cmdll (addr, len) */
 338   m32r_cmds.getmem.resp_delim = ": ";   /* getmem.resp_delim */
 339   m32r_cmds.getmem.term = NULL; /* getmem.term */
 340   m32r_cmds.getmem.term_cmd = NULL;     /* getmem.term_cmd */
 341   m32r_cmds.setreg.cmd = "%x to %%%s\r";        /* setreg.cmd (name, value) */
 342   m32r_cmds.setreg.resp_delim = NULL;   /* setreg.resp_delim */
 343   m32r_cmds.setreg.term = NULL; /* setreg.term */
 344   m32r_cmds.setreg.term_cmd = NULL;     /* setreg.term_cmd */
 345   m32r_cmds.getreg.cmd = NULL;  /* getreg.cmd (name) */
 346   m32r_cmds.getreg.resp_delim = NULL;   /* getreg.resp_delim */
 347   m32r_cmds.getreg.term = NULL; /* getreg.term */
 348   m32r_cmds.getreg.term_cmd = NULL;     /* getreg.term_cmd */
 349   m32r_cmds.dump_registers = ".reg\r";  /* dump_registers */
 350                                         /* register_pattern */
 351   m32r_cmds.register_pattern = "\\(\\w+\\) += \\([0-9a-fA-F]+\\b\\)";
 352   m32r_cmds.supply_register = m32r_supply_register;
 353   m32r_cmds.load = NULL;        /* download command */
 354   m32r_cmds.loadresp = NULL;    /* load response */
 355   m32r_cmds.prompt = "ok ";     /* monitor command prompt */
 356   m32r_cmds.line_term = "\r";   /* end-of-line terminator */
 357   m32r_cmds.cmd_end = NULL;     /* optional command terminator */
 358   m32r_cmds.target = &m32r_ops; /* target operations */
 359   m32r_cmds.stopbits = SERIAL_1_STOPBITS;       /* number of stop bits */
 360   m32r_cmds.regnames = m32r_regnames;   /* registers names */
 361   m32r_cmds.magic = MONITOR_OPS_MAGIC;  /* magic */
 362 }                               /* init_m32r_cmds */
 363
 364 static void
 365 m32r_open (char *args, int from_tty)
 366 {
 367   monitor_open (args, &m32r_cmds, from_tty);
 368 }
 369
 370 /* Mon2000 monitor (MSA2000 board) */
 371
 372 static struct target_ops mon2000_ops;
 373 static struct monitor_ops mon2000_cmds;
 374
 375 static void
 376 init_mon2000_cmds (void)
 377 {
 378   mon2000_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_REGISTER_VALUE_FIRST;
 379   mon2000_cmds.init = m32r_inits;       /* Init strings */
 380   mon2000_cmds.cont = "go\r";   /* continue command */
 381   mon2000_cmds.step = "step\r"; /* single step */
 382   mon2000_cmds.stop = NULL;     /* interrupt command */
 383   mon2000_cmds.set_break = "%x +bp\r";  /* set a breakpoint */
 384   mon2000_cmds.clr_break = "%x -bp\r";  /* clear a breakpoint */
 385   mon2000_cmds.clr_all_break = "bpoff\r";       /* clear all breakpoints */
 386   mon2000_cmds.fill = "%x %x %x fill\r";        /* fill (start length val) */
 387   mon2000_cmds.setmem.cmdb = "%x 1 %x fill\r";  /* setmem.cmdb (addr, value) */
 388   mon2000_cmds.setmem.cmdw = "%x 1 %x fillh\r"; /* setmem.cmdw (addr, value) */
 389   mon2000_cmds.setmem.cmdl = "%x 1 %x fillw\r"; /* setmem.cmdl (addr, value) */
 390   mon2000_cmds.setmem.cmdll = NULL;     /* setmem.cmdll (addr, value) */
 391   mon2000_cmds.setmem.resp_delim = NULL;        /* setmem.resp_delim */
 392   mon2000_cmds.setmem.term = NULL;      /* setmem.term */
 393   mon2000_cmds.setmem.term_cmd = NULL;  /* setmem.term_cmd */
 394   mon2000_cmds.getmem.cmdb = "%x %x dump\r";    /* getmem.cmdb (addr, len) */
 395   mon2000_cmds.getmem.cmdw = NULL;      /* getmem.cmdw (addr, len) */
 396   mon2000_cmds.getmem.cmdl = NULL;      /* getmem.cmdl (addr, len) */
 397   mon2000_cmds.getmem.cmdll = NULL;     /* getmem.cmdll (addr, len) */
 398   mon2000_cmds.getmem.resp_delim = ": ";        /* getmem.resp_delim */
 399   mon2000_cmds.getmem.term = NULL;      /* getmem.term */
 400   mon2000_cmds.getmem.term_cmd = NULL;  /* getmem.term_cmd */
 401   mon2000_cmds.setreg.cmd = "%x to %%%s\r";     /* setreg.cmd (name, value) */
 402   mon2000_cmds.setreg.resp_delim = NULL;        /* setreg.resp_delim */
 403   mon2000_cmds.setreg.term = NULL;      /* setreg.term */
 404   mon2000_cmds.setreg.term_cmd = NULL;  /* setreg.term_cmd */
 405   mon2000_cmds.getreg.cmd = NULL;       /* getreg.cmd (name) */
 406   mon2000_cmds.getreg.resp_delim = NULL;        /* getreg.resp_delim */
 407   mon2000_cmds.getreg.term = NULL;      /* getreg.term */
 408   mon2000_cmds.getreg.term_cmd = NULL;  /* getreg.term_cmd */
 409   mon2000_cmds.dump_registers = ".reg\r";       /* dump_registers */
 410                                                 /* register_pattern */
 411   mon2000_cmds.register_pattern = "\\(\\w+\\) += \\([0-9a-fA-F]+\\b\\)";
 412   mon2000_cmds.supply_register = m32r_supply_register;
 413   mon2000_cmds.load = NULL;     /* download command */
 414   mon2000_cmds.loadresp = NULL; /* load response */
 415   mon2000_cmds.prompt = "Mon2000>";     /* monitor command prompt */
 416   mon2000_cmds.line_term = "\r";        /* end-of-line terminator */
 417   mon2000_cmds.cmd_end = NULL;  /* optional command terminator */
 418   mon2000_cmds.target = &mon2000_ops;   /* target operations */
 419   mon2000_cmds.stopbits = SERIAL_1_STOPBITS;    /* number of stop bits */
 420   mon2000_cmds.regnames = m32r_regnames;        /* registers names */
 421   mon2000_cmds.magic = MONITOR_OPS_MAGIC;       /* magic */
 422 }                               /* init_mon2000_cmds */
 423
 424 static void
 425 mon2000_open (char *args, int from_tty)
 426 {
 427   monitor_open (args, &mon2000_cmds, from_tty);
 428 }
 429
 430 static void
 431 m32r_upload_command (char *args, int from_tty)
 432 {
 433   bfd *abfd;
 434   asection *s;
 435   struct timeval start_time, end_time;
 436   int resp_len, data_count = 0;
 437   char buf[1024];
 438   struct hostent *hostent;
 439   struct in_addr inet_addr;
 440   struct cleanup *cleanup;
 441
 442   /* First check to see if there's an ethernet port!  */
 443   monitor_printf ("ust\r");
 444   resp_len = monitor_expect_prompt (buf, sizeof (buf));
 445   if (!strchr (buf, ':'))
 446     error (_("No ethernet connection!"));
 447
 448   if (board_addr == 0)
 449     {
 450       /* Scan second colon in the output from the "ust" command.  */
 451       char *myIPaddress = strchr (strchr (buf, ':') + 1, ':') + 1;
 452
 453       myIPaddress = skip_spaces (myIPaddress);
 454
 455       if (!strncmp (myIPaddress, "0.0.", 4))    /* empty */
 456         error (_("Please use 'set board-address' to "
 457                  "set the M32R-EVA board's IP address."));
 458       if (strchr (myIPaddress, '('))
 459         *(strchr (myIPaddress, '(')) = '\0';    /* delete trailing junk */
 460       board_addr = xstrdup (myIPaddress);
 461     }
 462   if (server_addr == 0)
 463     {
 464 #ifdef __MINGW32__
 465       WSADATA wd;
 466       /* Winsock initialization.  */
 467       if (WSAStartup (MAKEWORD (1, 1), &wd))
 468         error (_("Couldn't initialize WINSOCK."));
 469 #endif
 470
 471       buf[0] = 0;
 472       gethostname (buf, sizeof (buf));
 473       if (buf[0] != 0)
 474         {
 475           hostent = gethostbyname (buf);
 476           if (hostent != 0)
 477             {
 478 #if 1
 479               memcpy (&inet_addr.s_addr, hostent->h_addr,
 480                       sizeof (inet_addr.s_addr));
 481               server_addr = (char *) inet_ntoa (inet_addr);
 482 #else
 483               server_addr = (char *) inet_ntoa (hostent->h_addr);
 484 #endif
 485             }
 486         }
 487       if (server_addr == 0)     /* failed?  */
 488         error (_("Need to know gdb host computer's "
 489                  "IP address (use 'set server-address')"));
 490     }
 491
 492   if (args == 0 || args[0] == 0)        /* No args: upload the current
 493                                            file.  */
 494     args = get_exec_file (1);
 495
 496   if (args[0] != '/' && download_path == 0)
 497     {
 498       if (current_directory)
 499         download_path = xstrdup (current_directory);
 500       else
 501         error (_("Need to know default download "
 502                  "path (use 'set download-path')"));
 503     }
 504
 505   gettimeofday (&start_time, NULL);
 506   monitor_printf ("uhip %s\r", server_addr);
 507   resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result?  */
 508   monitor_printf ("ulip %s\r", board_addr);
 509   resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result?  */
 510   if (args[0] != '/')
 511     monitor_printf ("up %s\r", download_path);  /* use default path */
 512   else
 513     monitor_printf ("up\r");    /* rooted filename/path */
 514   resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result?  */
 515
 516   if (strrchr (args, '.') && !strcmp (strrchr (args, '.'), ".srec"))
 517     monitor_printf ("ul %s\r", args);
 518   else                          /* add ".srec" suffix */
 519     monitor_printf ("ul %s.srec\r", args);
 520   resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result?  */
 521
 522   if (buf[0] == 0 || strstr (buf, "complete") == 0)
 523     error (_("Upload file not found: %s.srec\n"
 524              "Check IP addresses and download path."),
 525            args);
 526   else
 527     printf_filtered (" -- Ethernet load complete.\n");
 528
 529   gettimeofday (&end_time, NULL);
 530   abfd = gdb_bfd_open (args, NULL, -1);
 531   cleanup = make_cleanup_bfd_unref (abfd);
 532   if (abfd != NULL)
 533     {           /* Download is done -- print section statistics.  */
 534       if (bfd_check_format (abfd, bfd_object) == 0)
 535         {
 536           printf_filtered ("File is not an object file\n");
 537         }
 538       for (s = abfd->sections; s; s = s->next)
 539         if (s->flags & SEC_LOAD)
 540           {
 541             bfd_size_type section_size = bfd_section_size (abfd, s);
 542             bfd_vma section_base = bfd_section_lma (abfd, s);
 543
 544             data_count += section_size;
 545
 546             printf_filtered ("Loading section %s, size 0x%lx lma ",
 547                              bfd_section_name (abfd, s),
 548                              (unsigned long) section_size);
 549             fputs_filtered (paddress (target_gdbarch (), section_base),
 550                             gdb_stdout);
 551             printf_filtered ("\n");
 552             gdb_flush (gdb_stdout);
 553           }
 554       /* Finally, make the PC point at the start address.  */
 555       regcache_write_pc (get_current_regcache (),
 556                          bfd_get_start_address (abfd));
 557       printf_filtered ("Start address 0x%lx\n",
 558                        (unsigned long) bfd_get_start_address (abfd));
 559       print_transfer_performance (gdb_stdout, data_count, 0, &start_time,
 560                                   &end_time);
 561     }
 562   inferior_ptid = null_ptid;    /* No process now.  */
 563
 564   /* This is necessary because many things were based on the PC at the
 565      time that we attached to the monitor, which is no longer valid
 566      now that we have loaded new code (and just changed the PC).
 567      Another way to do this might be to call normal_stop, except that
 568      the stack may not be valid, and things would get horribly
 569      confused...  */
 570
 571   clear_symtab_users (0);
 572   do_cleanups (cleanup);
 573 }
 574
 575 /* Provide a prototype to silence -Wmissing-prototypes.  */
 576 extern initialize_file_ftype _initialize_m32r_rom;
 577
 578 void
 579 _initialize_m32r_rom (void)
 580 {
 581   /* Initialize m32r RevC monitor target.  */
 582   init_m32r_cmds ();
 583   init_monitor_ops (&m32r_ops);
 584
 585   m32r_ops.to_shortname = "m32r";
 586   m32r_ops.to_longname = "m32r monitor";
 587   m32r_ops.to_load = m32r_load_gen;     /* Monitor lacks a download
 588                                            command.  */
 589   m32r_ops.to_doc = "Debug via the m32r monitor.\n\
 590 Specify the serial device it is connected to (e.g. /dev/ttya).";
 591   m32r_ops.to_open = m32r_open;
 592   add_target (&m32r_ops);
 593
 594   /* Initialize mon2000 monitor target */
 595   init_mon2000_cmds ();
 596   init_monitor_ops (&mon2000_ops);
 597
 598   mon2000_ops.to_shortname = "mon2000";
 599   mon2000_ops.to_longname = "Mon2000 monitor";
 600   mon2000_ops.to_load = m32r_load_gen;  /* Monitor lacks a download
 601                                            command.  */
 602   mon2000_ops.to_doc = "Debug via the Mon2000 monitor.\n\
 603 Specify the serial device it is connected to (e.g. /dev/ttya).";
 604   mon2000_ops.to_open = mon2000_open;
 605   add_target (&mon2000_ops);
 606
 607   add_setshow_string_cmd ("download-path", class_obscure, &download_path, _("\
 608 Set the default path for downloadable SREC files."), _("\
 609 Show the default path for downloadable SREC files."), _("\
 610 Determines the default path for downloadable SREC files."),
 611                           NULL,
 612                           NULL, /* FIXME: i18n: The default path for
 613                                    downloadable SREC files is %s.  */
 614                           &setlist, &showlist);
 615
 616   add_setshow_string_cmd ("board-address", class_obscure, &board_addr, _("\
 617 Set IP address for M32R-EVA target board."), _("\
 618 Show IP address for M32R-EVA target board."), _("\
 619 Determine the IP address for M32R-EVA target board."),
 620                           NULL,
 621                           NULL, /* FIXME: i18n: IP address for
 622                                    M32R-EVA target board is %s.  */
 623                           &setlist, &showlist);
 624
 625   add_setshow_string_cmd ("server-address", class_obscure, &server_addr, _("\
 626 Set IP address for download server (GDB's host computer)."), _("\
 627 Show IP address for download server (GDB's host computer)."), _("\
 628 Determine the IP address for download server (GDB's host computer)."),
 629                           NULL,
 630                           NULL, /* FIXME: i18n: IP address for
 631                                    download server (GDB's host
 632                                    computer) is %s.  */
 633                           &setlist, &showlist);
 634
 635   add_com ("upload", class_obscure, m32r_upload_command, _("\
 636 Upload the srec file via the monitor's Ethernet upload capability."));
 637
 638   add_com ("tload", class_obscure, m32r_load, _("test upload command."));
 639 }