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