aboutsummaryrefslogtreecommitdiff
path: root/sim/common/sim-load.c
blob: 23258c5fcc209c5d281db499e02bacc18cc4c5ce (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
/* Utility to load a file into the simulator.
   Copyright (C) 1997 Free Software Foundation, Inc.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

/* This is a standalone loader, independent of the sim-basic.h machinery,
   as it is used by simulators that don't use it [though that doesn't mean
   to suggest that they shouldn't :-)].  */

#include "config.h"
#include "ansidecl.h"
#ifdef ANSI_PROTOTYPES
#include <stdarg.h>
#else
#include <varargs.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include <time.h>
#include "bfd.h"
#include "callback.h"
#include "remote-sim.h"

static void eprintf PARAMS ((host_callback *, const char *, ...));
static void xprintf PARAMS ((host_callback *, const char *, ...));
static void report_transfer_performance
  PARAMS ((host_callback *, unsigned long, time_t, time_t));
static void xprintf_bfd_vma PARAMS ((host_callback *, bfd_vma));

/* Load program PROG into the simulator.
   If PROG_BFD is non-NULL, the file has already been opened.
   If VERBOSE_P is non-zero statistics are printed of each loaded section
   and the transfer rate (for consistency with gdb).
   If this fails an error message is printed and NULL is returned.
   If it succeeds the bfd is returned.  */

/* FIXME: Where can we put a prototype for this?  */

bfd *
sim_load_file (sd, myname, callback, prog, prog_bfd, verbose_p)
     SIM_DESC sd;
     char *myname;
     host_callback *callback;
     char *prog;
     bfd *prog_bfd;
{
  asection *s;
  /* Record separately as we don't want to close PROG_BFD if it was passed.  */
  bfd *result_bfd;
  time_t start_time, end_time;	/* Start and end times of download */
  unsigned long data_count = 0;	/* Number of bytes transferred to memory */

  if (prog_bfd != NULL)
    result_bfd = prog_bfd;
  else
    {
      result_bfd = bfd_openr (prog, 0);
      if (result_bfd == NULL)
	{
	  eprintf (callback, "%s: can't open \"%s\": %s\n", 
		   myname, prog, bfd_errmsg (bfd_get_error ()));
	  return NULL;
	}
    }

  if (!bfd_check_format (result_bfd, bfd_object)) 
    {
      eprintf (callback, "%s: \"%s\" is not an object file: %s\n",
	       myname, prog, bfd_errmsg (bfd_get_error ()));
      /* Only close if we opened it.  */
      if (prog_bfd == NULL)
	bfd_close (result_bfd);
      return NULL;
    }

  if (verbose_p)
    start_time = time (NULL);

  for (s = result_bfd->sections; s; s = s->next) 
    {
      if (s->flags & SEC_LOAD) 
	{
	  bfd_size_type size;

	  size = bfd_get_section_size_before_reloc (s);
	  if (size > 0)
	    {
	      char *buffer;
	      bfd_vma lma;

	      buffer = malloc (size);
	      if (buffer == NULL)
		{
		  eprintf (callback,
			   "%s: insufficient memory to load \"%s\"\n",
			   myname, prog);
		  /* Only close if we opened it.  */
		  if (prog_bfd == NULL)
		    bfd_close (result_bfd);
		  return NULL;
		}
	      /* Before you change this to bfd_section_lma, make sure
		 the arm-pe simulator still works.  */
	      lma = bfd_section_vma (result_bfd, s);
	      if (verbose_p)
		{
		  xprintf (callback, "Loading section %s, size 0x%lx lma ",
			   bfd_get_section_name (result_bfd, s),
			   (unsigned long) size);
		  xprintf_bfd_vma (callback, lma);
		  xprintf (callback, "\n");
		}
	      data_count += size;
	      bfd_get_section_contents (result_bfd, s, buffer, 0, size);
	      sim_write (sd, lma, buffer, size);
	      free (buffer);
	    }
	}
    }

  if (verbose_p)
    {
      end_time = time (NULL);
      xprintf (callback, "Start address ");
      xprintf_bfd_vma (callback, bfd_get_start_address (result_bfd));
      xprintf (callback, "\n");
      report_transfer_performance (callback, data_count, start_time, end_time);
    }

  return result_bfd;
}

static void
xprintf VPARAMS ((host_callback *callback, const char *fmt, ...))
{
#ifndef ANSI_PROTOTYPES
  host_callback *callback;
  char *fmt;
#endif
  va_list ap;

  VA_START (ap, fmt);
#ifndef ANSI_PROTOTYPES
  callback = va_arg (ap, host_callback *);
  fmt = va_arg (ap, char *);
#endif

  (*callback->vprintf_filtered) (callback, fmt, ap);

  va_end (ap);
}

static void
eprintf VPARAMS ((host_callback *callback, const char *fmt, ...))
{
#ifndef ANSI_PROTOTYPES
  host_callback *callback;
  char *fmt;
#endif
  va_list ap;

  VA_START (ap, fmt);
#ifndef ANSI_PROTOTYPES
  callback = va_arg (ap, host_callback *);
  fmt = va_arg (ap, char *);
#endif

  (*callback->evprintf_filtered) (callback, fmt, ap);

  va_end (ap);
}

/* Report how fast the transfer went. */

static void
report_transfer_performance (callback, data_count, start_time, end_time)
     host_callback *callback;
     unsigned long data_count;
     time_t start_time, end_time;
{
  xprintf (callback, "Transfer rate: ");
  if (end_time != start_time)
    xprintf (callback, "%ld bits/sec",
	     (data_count * 8) / (end_time - start_time));
  else
    xprintf (callback, "%ld bits in <1 sec", (data_count * 8));
  xprintf (callback, ".\n");
}

/* Print a bfd_vma.
   This is intended to handle the vagaries of 32 vs 64 bits, etc.  */

static void
xprintf_bfd_vma (callback, vma)
     host_callback *callback;
     bfd_vma vma;
{
  /* FIXME: for now */
  xprintf (callback, "0x%lx", (unsigned long) vma);
}