gdb/m32r-rom.c

   1 /* Remote debugging interface to m32r and mon2000 ROM monitors for GDB,
   2    the GNU debugger.
   3
   4    Copyright (C) 1996-2015 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 "monitor.h"
  29 #include "serial.h"
  30 #include "symtab.h"
  31 #include "command.h"
  32 #include "gdbcmd.h"
  33 #include "symfile.h"            /* for generic load */
  34 #include <sys/time.h>
  35 #include <time.h>               /* for time_t */
  36 #include "objfiles.h"           /* for ALL_OBJFILES etc.  */
  37 #include "inferior.h"
  38 #include <ctype.h>
  39 #include "regcache.h"
  40 #include "gdb_bfd.h"
  41 #include "cli/cli-utils.h"
  42
  43 /*
  44  * All this stuff just to get my host computer's IP address!
  45  */
  46 #ifdef __MINGW32__
  47 #include <winsock2.h>
  48 #else
  49 #include <sys/types.h>
  50 #include <netdb.h>              /* for hostent */
  51 #include <netinet/in.h>         /* for struct in_addr */
  52 #if 1
  53 #include <arpa/inet.h>          /* for inet_ntoa */
  54 #endif
  55 #endif
  56
  57 static char *board_addr;        /* user-settable IP address for M32R-EVA */
  58 static char *server_addr;       /* user-settable IP address for gdb host */
  59 static char *download_path;     /* user-settable path for SREC files     */
  60
  61
  62 /* REGNUM */
  63 #define PSW_REGNUM      16
  64 #define SPI_REGNUM      18
  65 #define SPU_REGNUM      19
  66 #define ACCL_REGNUM     22
  67 #define ACCH_REGNUM     23
  68
  69
  70 /*
  71  * Function: m32r_load_1 (helper function)
  72  */
  73
  74 static void
  75 m32r_load_section (bfd *abfd, asection *s, void *obj)
  76 {
  77   unsigned int *data_count = obj;
  78   if (s->flags & SEC_LOAD)
  79     {
  80       int addr_size = gdbarch_addr_bit (target_gdbarch ()) / 8;
  81       bfd_size_type section_size = bfd_section_size (abfd, s);
  82       bfd_vma section_base = bfd_section_lma (abfd, s);
  83       unsigned int buffer, i;
  84
  85       *data_count += section_size;
  86
  87       printf_filtered ("Loading section %s, size 0x%lx lma ",
  88                        bfd_section_name (abfd, s),
  89                        (unsigned long) section_size);
  90       fputs_filtered (paddress (target_gdbarch (), section_base), gdb_stdout);
  91       printf_filtered ("\n");
  92       gdb_flush (gdb_stdout);
  93       monitor_printf ("%s mw\r", phex_nz (section_base, addr_size));
  94       for (i = 0; i < section_size; i += 4)
  95         {
  96           QUIT;
  97           monitor_expect (" -> ", NULL, 0);
  98           bfd_get_section_contents (abfd, s, (char *) &buffer, i, 4);
  99           monitor_printf ("%x\n", buffer);
 100         }
 101       monitor_expect (" -> ", NULL, 0);
 102       monitor_printf ("q\n");
 103       monitor_expect_prompt (NULL, 0);
 104     }
 105 }
 106
 107 static int
 108 m32r_load_1 (void *dummy)
 109 {
 110   int data_count = 0;
 111
 112   bfd_map_over_sections ((bfd *) dummy, m32r_load_section, &data_count);
 113   return data_count;
 114 }
 115
 116 /*
 117  * Function: m32r_load (an alternate way to load)
 118  */
 119
 120 static void
 121 m32r_load (char *filename, int from_tty)
 122 {
 123   bfd *abfd;
 124   unsigned int data_count = 0;
 125   struct timeval start_time, end_time;
 126   struct cleanup *cleanup;
 127
 128   if (filename == NULL || filename[0] == 0)
 129     filename = get_exec_file (1);
 130
 131   abfd = gdb_bfd_open (filename, NULL, -1);
 132   if (!abfd)
 133     error (_("Unable to open file %s."), filename);
 134   cleanup = make_cleanup_bfd_unref (abfd);
 135   if (bfd_check_format (abfd, bfd_object) == 0)
 136     error (_("File is not an object file."));
 137   gettimeofday (&start_time, NULL);
 138 #if 0
 139   for (s = abfd->sections; s; s = s->next)
 140     if (s->flags & SEC_LOAD)
 141       {
 142         bfd_size_type section_size = bfd_section_size (abfd, s);
 143         bfd_vma section_base = bfd_section_vma (abfd, s);
 144         unsigned int buffer;
 145
 146         data_count += section_size;
 147
 148         printf_filtered ("Loading section %s, size 0x%lx vma ",
 149                          bfd_section_name (abfd, s), section_size);
 150         fputs_filtered (paddress (target_gdbarch (), section_base), gdb_stdout);
 151         printf_filtered ("\n");
 152         gdb_flush (gdb_stdout);
 153         monitor_printf ("%x mw\r", section_base);
 154         for (i = 0; i < section_size; i += 4)
 155           {
 156             monitor_expect (" -> ", NULL, 0);
 157             bfd_get_section_contents (abfd, s, (char *) &buffer, i, 4);
 158             monitor_printf ("%x\n", buffer);
 159           }
 160         monitor_expect (" -> ", NULL, 0);
 161         monitor_printf ("q\n");
 162         monitor_expect_prompt (NULL, 0);
 163       }
 164 #else
 165   if (!(catch_errors (m32r_load_1, abfd, "Load aborted!\n", RETURN_MASK_ALL)))
 166     {
 167       monitor_printf ("q\n");
 168       do_cleanups (cleanup);
 169       return;
 170     }
 171 #endif
 172   gettimeofday (&end_time, NULL);
 173   printf_filtered ("Start address 0x%lx\n",
 174                    (unsigned long) bfd_get_start_address (abfd));
 175   print_transfer_performance (gdb_stdout, data_count, 0, &start_time,
 176                               &end_time);
 177
 178   /* Finally, make the PC point at the start address.  */
 179   if (exec_bfd)
 180     regcache_write_pc (get_current_regcache (),
 181                        bfd_get_start_address (exec_bfd));
 182
 183   inferior_ptid = null_ptid;    /* No process now.  */
 184
 185   /* This is necessary because many things were based on the PC at the
 186      time that we attached to the monitor, which is no longer valid
 187      now that we have loaded new code (and just changed the PC).
 188      Another way to do this might be to call normal_stop, except that
 189      the stack may not be valid, and things would get horribly
 190      confused...  */
 191
 192   clear_symtab_users (0);
 193   do_cleanups (cleanup);
 194 }
 195
 196 static void
 197 m32r_load_gen (struct target_ops *self, const char *filename, int from_tty)
 198 {
 199   generic_load (filename, from_tty);
 200 }
 201
 202 /* This array of registers needs to match the indexes used by GDB.  The
 203    whole reason this exists is because the various ROM monitors use
 204    different names than GDB does, and don't support all the registers
 205    either.  So, typing "info reg sp" becomes an "A7".  */
 206
 207 static char *m32r_regnames[] =
 208   { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
 209   "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
 210   "psw", "cbr", "spi", "spu", "bpc", "pc", "accl", "acch",
 211 };
 212
 213 static void
 214 m32r_supply_register (struct regcache *regcache, char *regname,
 215                       int regnamelen, char *val, int vallen)
 216 {
 217   int regno;
 218   int num_regs = sizeof (m32r_regnames) / sizeof (m32r_regnames[0]);
 219   struct gdbarch *gdbarch = get_regcache_arch (regcache);
 220
 221   for (regno = 0; regno < num_regs; regno++)
 222     if (strncmp (regname, m32r_regnames[regno], regnamelen) == 0)
 223       break;
 224
 225   if (regno >= num_regs)
 226     return;                     /* no match */
 227
 228   if (regno == ACCL_REGNUM)
 229     {                           /* Special handling for 64-bit acc reg.  */
 230       monitor_supply_register (regcache, ACCH_REGNUM, val);
 231       val = strchr (val, ':');  /* Skip past ':' to get 2nd word.  */
 232       if (val != NULL)
 233         monitor_supply_register (regcache, ACCL_REGNUM, val + 1);
 234     }
 235   else
 236     {
 237       monitor_supply_register (regcache, regno, val);
 238       if (regno == PSW_REGNUM)
 239         {
 240 #if (defined SM_REGNUM || defined BSM_REGNUM || defined IE_REGNUM \
 241      || defined BIE_REGNUM || defined COND_REGNUM  || defined CBR_REGNUM \
 242      || defined BPC_REGNUM || defined BCARRY_REGNUM)
 243           unsigned long psw = strtoul (val, NULL, 16);
 244           char *zero = "00000000", *one = "00000001";
 245 #endif
 246
 247 #ifdef SM_REGNUM
 248           /* Stack mode bit */
 249           monitor_supply_register (regcache, SM_REGNUM,
 250                                    (psw & 0x80) ? one : zero);
 251 #endif
 252 #ifdef BSM_REGNUM
 253           /* Backup stack mode bit */
 254           monitor_supply_register (regcache, BSM_REGNUM,
 255                                    (psw & 0x8000) ? one : zero);
 256 #endif
 257 #ifdef IE_REGNUM
 258           /* Interrupt enable bit */
 259           monitor_supply_register (regcache, IE_REGNUM,
 260                                    (psw & 0x40) ? one : zero);
 261 #endif
 262 #ifdef BIE_REGNUM
 263           /* Backup interrupt enable bit */
 264           monitor_supply_register (regcache, BIE_REGNUM,
 265                                    (psw & 0x4000) ? one : zero);
 266 #endif
 267 #ifdef COND_REGNUM
 268           /* Condition bit (carry etc.) */
 269           monitor_supply_register (regcache, COND_REGNUM,
 270                                    (psw & 0x1) ? one : zero);
 271 #endif
 272 #ifdef CBR_REGNUM
 273           monitor_supply_register (regcache, CBR_REGNUM,
 274                                    (psw & 0x1) ? one : zero);
 275 #endif
 276 #ifdef BPC_REGNUM
 277           monitor_supply_register (regcache, BPC_REGNUM,
 278                                    zero);       /* KLUDGE:   (???????) */
 279 #endif
 280 #ifdef BCARRY_REGNUM
 281           monitor_supply_register (regcache, BCARRY_REGNUM,
 282                                    zero);       /* KLUDGE: (??????) */
 283 #endif
 284         }
 285
 286       if (regno == SPI_REGNUM || regno == SPU_REGNUM)
 287         {       /* special handling for stack pointer (spu or spi).  */
 288           ULONGEST stackmode, psw;
 289           regcache_cooked_read_unsigned (regcache, PSW_REGNUM, &psw);
 290           stackmode = psw & 0x80;
 291
 292           if (regno == SPI_REGNUM && !stackmode)        /* SP == SPI */
 293             monitor_supply_register (regcache,
 294                                      gdbarch_sp_regnum (gdbarch), val);
 295           else if (regno == SPU_REGNUM && stackmode)    /* SP == SPU */
 296             monitor_supply_register (regcache,
 297                                      gdbarch_sp_regnum (gdbarch), val);
 298         }
 299     }
 300 }
 301
 302 /* m32r RevC board monitor */
 303
 304 static struct target_ops m32r_ops;
 305
 306 static char *m32r_inits[] = { "\r", NULL };
 307
 308 static struct monitor_ops m32r_cmds;
 309
 310 static void
 311 init_m32r_cmds (void)
 312 {
 313   m32r_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_REGISTER_VALUE_FIRST;
 314   m32r_cmds.init = m32r_inits;  /* Init strings */
 315   m32r_cmds.cont = "go\r";      /* continue command */
 316   m32r_cmds.step = "step\r";    /* single step */
 317   m32r_cmds.stop = NULL;        /* interrupt command */
 318   m32r_cmds.set_break = "%x +bp\r";     /* set a breakpoint */
 319   m32r_cmds.clr_break = "%x -bp\r";     /* clear a breakpoint */
 320   m32r_cmds.clr_all_break = "bpoff\r";  /* clear all breakpoints */
 321   m32r_cmds.fill = "%x %x %x fill\r";   /* fill (start length val) */
 322   m32r_cmds.setmem.cmdb = "%x 1 %x fill\r";     /* setmem.cmdb (addr, value) */
 323   m32r_cmds.setmem.cmdw = "%x 1 %x fillh\r";    /* setmem.cmdw (addr, value) */
 324   m32r_cmds.setmem.cmdl = "%x 1 %x fillw\r";    /* setmem.cmdl (addr, value) */
 325   m32r_cmds.setmem.cmdll = NULL;        /* setmem.cmdll (addr, value) */
 326   m32r_cmds.setmem.resp_delim = NULL;   /* setmem.resp_delim */
 327   m32r_cmds.setmem.term = NULL; /* setmem.term */
 328   m32r_cmds.setmem.term_cmd = NULL;     /* setmem.term_cmd */
 329   m32r_cmds.getmem.cmdb = "%x %x dump\r";       /* getmem.cmdb (addr, len) */
 330   m32r_cmds.getmem.cmdw = NULL; /* getmem.cmdw (addr, len) */
 331   m32r_cmds.getmem.cmdl = NULL; /* getmem.cmdl (addr, len) */
 332   m32r_cmds.getmem.cmdll = NULL;        /* getmem.cmdll (addr, len) */
 333   m32r_cmds.getmem.resp_delim = ": ";   /* getmem.resp_delim */
 334   m32r_cmds.getmem.term = NULL; /* getmem.term */
 335   m32r_cmds.getmem.term_cmd = NULL;     /* getmem.term_cmd */
 336   m32r_cmds.setreg.cmd = "%x to %%%s\r";        /* setreg.cmd (name, value) */
 337   m32r_cmds.setreg.resp_delim = NULL;   /* setreg.resp_delim */
 338   m32r_cmds.setreg.term = NULL; /* setreg.term */
 339   m32r_cmds.setreg.term_cmd = NULL;     /* setreg.term_cmd */
 340   m32r_cmds.getreg.cmd = NULL;  /* getreg.cmd (name) */
 341   m32r_cmds.getreg.resp_delim = NULL;   /* getreg.resp_delim */
 342   m32r_cmds.getreg.term = NULL; /* getreg.term */
 343   m32r_cmds.getreg.term_cmd = NULL;     /* getreg.term_cmd */
 344   m32r_cmds.dump_registers = ".reg\r";  /* dump_registers */
 345                                         /* register_pattern */
 346   m32r_cmds.register_pattern = "\\(\\w+\\) += \\([0-9a-fA-F]+\\b\\)";
 347   m32r_cmds.supply_register = m32r_supply_register;
 348   m32r_cmds.load = NULL;        /* download command */
 349   m32r_cmds.loadresp = NULL;    /* load response */
 350   m32r_cmds.prompt = "ok ";     /* monitor command prompt */
 351   m32r_cmds.line_term = "\r";   /* end-of-line terminator */
 352   m32r_cmds.cmd_end = NULL;     /* optional command terminator */
 353   m32r_cmds.target = &m32r_ops; /* target operations */
 354   m32r_cmds.stopbits = SERIAL_1_STOPBITS;       /* number of stop bits */
 355   m32r_cmds.regnames = m32r_regnames;   /* registers names */
 356   m32r_cmds.magic = MONITOR_OPS_MAGIC;  /* magic */
 357 }                               /* init_m32r_cmds */
 358
 359 static void
 360 m32r_open (const char *args, int from_tty)
 361 {
 362   monitor_open (args, &m32r_cmds, from_tty);
 363 }
 364
 365 /* Mon2000 monitor (MSA2000 board) */
 366
 367 static struct target_ops mon2000_ops;
 368 static struct monitor_ops mon2000_cmds;
 369
 370 static void
 371 init_mon2000_cmds (void)
 372 {
 373   mon2000_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_REGISTER_VALUE_FIRST;
 374   mon2000_cmds.init = m32r_inits;       /* Init strings */
 375   mon2000_cmds.cont = "go\r";   /* continue command */
 376   mon2000_cmds.step = "step\r"; /* single step */
 377   mon2000_cmds.stop = NULL;     /* interrupt command */
 378   mon2000_cmds.set_break = "%x +bp\r";  /* set a breakpoint */
 379   mon2000_cmds.clr_break = "%x -bp\r";  /* clear a breakpoint */
 380   mon2000_cmds.clr_all_break = "bpoff\r";       /* clear all breakpoints */
 381   mon2000_cmds.fill = "%x %x %x fill\r";        /* fill (start length val) */
 382   mon2000_cmds.setmem.cmdb = "%x 1 %x fill\r";  /* setmem.cmdb (addr, value) */
 383   mon2000_cmds.setmem.cmdw = "%x 1 %x fillh\r"; /* setmem.cmdw (addr, value) */
 384   mon2000_cmds.setmem.cmdl = "%x 1 %x fillw\r"; /* setmem.cmdl (addr, value) */
 385   mon2000_cmds.setmem.cmdll = NULL;     /* setmem.cmdll (addr, value) */
 386   mon2000_cmds.setmem.resp_delim = NULL;        /* setmem.resp_delim */
 387   mon2000_cmds.setmem.term = NULL;      /* setmem.term */
 388   mon2000_cmds.setmem.term_cmd = NULL;  /* setmem.term_cmd */
 389   mon2000_cmds.getmem.cmdb = "%x %x dump\r";    /* getmem.cmdb (addr, len) */
 390   mon2000_cmds.getmem.cmdw = NULL;      /* getmem.cmdw (addr, len) */
 391   mon2000_cmds.getmem.cmdl = NULL;      /* getmem.cmdl (addr, len) */
 392   mon2000_cmds.getmem.cmdll = NULL;     /* getmem.cmdll (addr, len) */
 393   mon2000_cmds.getmem.resp_delim = ": ";        /* getmem.resp_delim */
 394   mon2000_cmds.getmem.term = NULL;      /* getmem.term */
 395   mon2000_cmds.getmem.term_cmd = NULL;  /* getmem.term_cmd */
 396   mon2000_cmds.setreg.cmd = "%x to %%%s\r";     /* setreg.cmd (name, value) */
 397   mon2000_cmds.setreg.resp_delim = NULL;        /* setreg.resp_delim */
 398   mon2000_cmds.setreg.term = NULL;      /* setreg.term */
 399   mon2000_cmds.setreg.term_cmd = NULL;  /* setreg.term_cmd */
 400   mon2000_cmds.getreg.cmd = NULL;       /* getreg.cmd (name) */
 401   mon2000_cmds.getreg.resp_delim = NULL;        /* getreg.resp_delim */
 402   mon2000_cmds.getreg.term = NULL;      /* getreg.term */
 403   mon2000_cmds.getreg.term_cmd = NULL;  /* getreg.term_cmd */
 404   mon2000_cmds.dump_registers = ".reg\r";       /* dump_registers */
 405                                                 /* register_pattern */
 406   mon2000_cmds.register_pattern = "\\(\\w+\\) += \\([0-9a-fA-F]+\\b\\)";
 407   mon2000_cmds.supply_register = m32r_supply_register;
 408   mon2000_cmds.load = NULL;     /* download command */
 409   mon2000_cmds.loadresp = NULL; /* load response */
 410   mon2000_cmds.prompt = "Mon2000>";     /* monitor command prompt */
 411   mon2000_cmds.line_term = "\r";        /* end-of-line terminator */
 412   mon2000_cmds.cmd_end = NULL;  /* optional command terminator */
 413   mon2000_cmds.target = &mon2000_ops;   /* target operations */
 414   mon2000_cmds.stopbits = SERIAL_1_STOPBITS;    /* number of stop bits */
 415   mon2000_cmds.regnames = m32r_regnames;        /* registers names */
 416   mon2000_cmds.magic = MONITOR_OPS_MAGIC;       /* magic */
 417 }                               /* init_mon2000_cmds */
 418
 419 static void
 420 mon2000_open (const char *args, int from_tty)
 421 {
 422   monitor_open (args, &mon2000_cmds, from_tty);
 423 }
 424
 425 static void
 426 m32r_upload_command (char *args, int from_tty)
 427 {
 428   bfd *abfd;
 429   asection *s;
 430   struct timeval start_time, end_time;
 431   int resp_len, data_count = 0;
 432   char buf[1024];
 433   struct hostent *hostent;
 434   struct in_addr inet_addr;
 435   struct cleanup *cleanup;
 436
 437   /* First check to see if there's an ethernet port!  */
 438   monitor_printf ("ust\r");
 439   resp_len = monitor_expect_prompt (buf, sizeof (buf));
 440   if (!strchr (buf, ':'))
 441     error (_("No ethernet connection!"));
 442
 443   if (board_addr == 0)
 444     {
 445       /* Scan second colon in the output from the "ust" command.  */
 446       char *myIPaddress = strchr (strchr (buf, ':') + 1, ':') + 1;
 447
 448       myIPaddress = skip_spaces (myIPaddress);
 449
 450       if (startswith (myIPaddress, "0.0."))     /* empty */
 451         error (_("Please use 'set board-address' to "
 452                  "set the M32R-EVA board's IP address."));
 453       if (strchr (myIPaddress, '('))
 454         *(strchr (myIPaddress, '(')) = '\0';    /* delete trailing junk */
 455       board_addr = xstrdup (myIPaddress);
 456     }
 457   if (server_addr == 0)
 458     {
 459 #ifdef __MINGW32__
 460       WSADATA wd;
 461       /* Winsock initialization.  */
 462       if (WSAStartup (MAKEWORD (1, 1), &wd))
 463         error (_("Couldn't initialize WINSOCK."));
 464 #endif
 465
 466       buf[0] = 0;
 467       gethostname (buf, sizeof (buf));
 468       if (buf[0] != 0)
 469         {
 470           hostent = gethostbyname (buf);
 471           if (hostent != 0)
 472             {
 473 #if 1
 474               memcpy (&inet_addr.s_addr, hostent->h_addr,
 475                       sizeof (inet_addr.s_addr));
 476               server_addr = (char *) inet_ntoa (inet_addr);
 477 #else
 478               server_addr = (char *) inet_ntoa (hostent->h_addr);
 479 #endif
 480             }
 481         }
 482       if (server_addr == 0)     /* failed?  */
 483         error (_("Need to know gdb host computer's "
 484                  "IP address (use 'set server-address')"));
 485     }
 486
 487   if (args == 0 || args[0] == 0)        /* No args: upload the current
 488                                            file.  */
 489     args = get_exec_file (1);
 490
 491   if (args[0] != '/' && download_path == 0)
 492     {
 493       if (current_directory)
 494         download_path = xstrdup (current_directory);
 495       else
 496         error (_("Need to know default download "
 497                  "path (use 'set download-path')"));
 498     }
 499
 500   gettimeofday (&start_time, NULL);
 501   monitor_printf ("uhip %s\r", server_addr);
 502   resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result?  */
 503   monitor_printf ("ulip %s\r", board_addr);
 504   resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result?  */
 505   if (args[0] != '/')
 506     monitor_printf ("up %s\r", download_path);  /* use default path */
 507   else
 508     monitor_printf ("up\r");    /* rooted filename/path */
 509   resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result?  */
 510
 511   if (strrchr (args, '.') && !strcmp (strrchr (args, '.'), ".srec"))
 512     monitor_printf ("ul %s\r", args);
 513   else                          /* add ".srec" suffix */
 514     monitor_printf ("ul %s.srec\r", args);
 515   resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result?  */
 516
 517   if (buf[0] == 0 || strstr (buf, "complete") == 0)
 518     error (_("Upload file not found: %s.srec\n"
 519              "Check IP addresses and download path."),
 520            args);
 521   else
 522     printf_filtered (" -- Ethernet load complete.\n");
 523
 524   gettimeofday (&end_time, NULL);
 525   abfd = gdb_bfd_open (args, NULL, -1);
 526   cleanup = make_cleanup_bfd_unref (abfd);
 527   if (abfd != NULL)
 528     {           /* Download is done -- print section statistics.  */
 529       if (bfd_check_format (abfd, bfd_object) == 0)
 530         {
 531           printf_filtered ("File is not an object file\n");
 532         }
 533       for (s = abfd->sections; s; s = s->next)
 534         if (s->flags & SEC_LOAD)
 535           {
 536             bfd_size_type section_size = bfd_section_size (abfd, s);
 537             bfd_vma section_base = bfd_section_lma (abfd, s);
 538
 539             data_count += section_size;
 540
 541             printf_filtered ("Loading section %s, size 0x%lx lma ",
 542                              bfd_section_name (abfd, s),
 543                              (unsigned long) section_size);
 544             fputs_filtered (paddress (target_gdbarch (), section_base),
 545                             gdb_stdout);
 546             printf_filtered ("\n");
 547             gdb_flush (gdb_stdout);
 548           }
 549       /* Finally, make the PC point at the start address.  */
 550       regcache_write_pc (get_current_regcache (),
 551                          bfd_get_start_address (abfd));
 552       printf_filtered ("Start address 0x%lx\n",
 553                        (unsigned long) bfd_get_start_address (abfd));
 554       print_transfer_performance (gdb_stdout, data_count, 0, &start_time,
 555                                   &end_time);
 556     }
 557   inferior_ptid = null_ptid;    /* No process now.  */
 558
 559   /* This is necessary because many things were based on the PC at the
 560      time that we attached to the monitor, which is no longer valid
 561      now that we have loaded new code (and just changed the PC).
 562      Another way to do this might be to call normal_stop, except that
 563      the stack may not be valid, and things would get horribly
 564      confused...  */
 565
 566   clear_symtab_users (0);
 567   do_cleanups (cleanup);
 568 }
 569
 570 /* Provide a prototype to silence -Wmissing-prototypes.  */
 571 extern initialize_file_ftype _initialize_m32r_rom;
 572
 573 void
 574 _initialize_m32r_rom (void)
 575 {
 576   /* Initialize m32r RevC monitor target.  */
 577   init_m32r_cmds ();
 578   init_monitor_ops (&m32r_ops);
 579
 580   m32r_ops.to_shortname = "m32r";
 581   m32r_ops.to_longname = "m32r monitor";
 582   m32r_ops.to_load = m32r_load_gen;     /* Monitor lacks a download
 583                                            command.  */
 584   m32r_ops.to_doc = "Debug via the m32r monitor.\n\
 585 Specify the serial device it is connected to (e.g. /dev/ttya).";
 586   m32r_ops.to_open = m32r_open;
 587   add_target (&m32r_ops);
 588
 589   /* Initialize mon2000 monitor target */
 590   init_mon2000_cmds ();
 591   init_monitor_ops (&mon2000_ops);
 592
 593   mon2000_ops.to_shortname = "mon2000";
 594   mon2000_ops.to_longname = "Mon2000 monitor";
 595   mon2000_ops.to_load = m32r_load_gen;  /* Monitor lacks a download
 596                                            command.  */
 597   mon2000_ops.to_doc = "Debug via the Mon2000 monitor.\n\
 598 Specify the serial device it is connected to (e.g. /dev/ttya).";
 599   mon2000_ops.to_open = mon2000_open;
 600   add_target (&mon2000_ops);
 601
 602   add_setshow_string_cmd ("download-path", class_obscure, &download_path, _("\
 603 Set the default path for downloadable SREC files."), _("\
 604 Show the default path for downloadable SREC files."), _("\
 605 Determines the default path for downloadable SREC files."),
 606                           NULL,
 607                           NULL, /* FIXME: i18n: The default path for
 608                                    downloadable SREC files is %s.  */
 609                           &setlist, &showlist);
 610
 611   add_setshow_string_cmd ("board-address", class_obscure, &board_addr, _("\
 612 Set IP address for M32R-EVA target board."), _("\
 613 Show IP address for M32R-EVA target board."), _("\
 614 Determine the IP address for M32R-EVA target board."),
 615                           NULL,
 616                           NULL, /* FIXME: i18n: IP address for
 617                                    M32R-EVA target board is %s.  */
 618                           &setlist, &showlist);
 619
 620   add_setshow_string_cmd ("server-address", class_obscure, &server_addr, _("\
 621 Set IP address for download server (GDB's host computer)."), _("\
 622 Show IP address for download server (GDB's host computer)."), _("\
 623 Determine the IP address for download server (GDB's host computer)."),
 624                           NULL,
 625                           NULL, /* FIXME: i18n: IP address for
 626                                    download server (GDB's host
 627                                    computer) is %s.  */
 628                           &setlist, &showlist);
 629
 630   add_com ("upload", class_obscure, m32r_upload_command, _("\
 631 Upload the srec file via the monitor's Ethernet upload capability."));
 632
 633   add_com ("tload", class_obscure, m32r_load, _("test upload command."));
 634 }