1 /* Utility to load a file into the simulator.
2 Copyright (C) 1997, 1998, 2001, 2002, 2004 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation, Inc.,
16 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
18 /* This is a standalone loader, independent of the sim-basic.h machinery,
19 as it is used by simulators that don't use it [though that doesn't mean
20 to suggest that they shouldn't :-)]. */
26 #include <stdio.h> /* for NULL */
33 #include "sim-basics.h"
35 #include "sim-utils.h"
37 #include "gdb/callback.h"
38 #include "gdb/remote-sim.h"
40 static void eprintf
PARAMS ((host_callback
*, const char *, ...));
41 static void xprintf
PARAMS ((host_callback
*, const char *, ...));
42 static void report_transfer_performance
43 PARAMS ((host_callback
*, unsigned long, time_t, time_t));
44 static void xprintf_bfd_vma
PARAMS ((host_callback
*, bfd_vma
));
46 /* Load program PROG into the simulator using the function DO_LOAD.
47 If PROG_BFD is non-NULL, the file has already been opened.
48 If VERBOSE_P is non-zero statistics are printed of each loaded section
49 and the transfer rate (for consistency with gdb).
50 If LMA_P is non-zero the program sections are loaded at the LMA
52 If this fails an error message is printed and NULL is returned.
53 If it succeeds the bfd is returned.
54 NOTE: For historical reasons, older hardware simulators incorrectly
55 write the program sections at LMA interpreted as a virtual address.
56 This is still accommodated for backward compatibility reasons. */
60 sim_load_file (sd
, myname
, callback
, prog
, prog_bfd
, verbose_p
, lma_p
, do_write
)
63 host_callback
*callback
;
68 sim_write_fn do_write
;
71 /* Record separately as we don't want to close PROG_BFD if it was passed. */
73 time_t start_time
= 0; /* Start and end times of download */
75 unsigned long data_count
= 0; /* Number of bytes transferred to memory */
76 int found_loadable_section
;
79 result_bfd
= prog_bfd
;
82 result_bfd
= bfd_openr (prog
, 0);
83 if (result_bfd
== NULL
)
85 eprintf (callback
, "%s: can't open \"%s\": %s\n",
86 myname
, prog
, bfd_errmsg (bfd_get_error ()));
91 if (!bfd_check_format (result_bfd
, bfd_object
))
93 eprintf (callback
, "%s: \"%s\" is not an object file: %s\n",
94 myname
, prog
, bfd_errmsg (bfd_get_error ()));
95 /* Only close if we opened it. */
97 bfd_close (result_bfd
);
102 start_time
= time (NULL
);
104 found_loadable_section
= 0;
105 for (s
= result_bfd
->sections
; s
; s
= s
->next
)
107 if (s
->flags
& SEC_LOAD
)
111 size
= bfd_get_section_size (s
);
117 buffer
= malloc (size
);
121 "%s: insufficient memory to load \"%s\"\n",
123 /* Only close if we opened it. */
124 if (prog_bfd
== NULL
)
125 bfd_close (result_bfd
);
129 lma
= bfd_section_lma (result_bfd
, s
);
131 lma
= bfd_section_vma (result_bfd
, s
);
134 xprintf (callback
, "Loading section %s, size 0x%lx %s ",
135 bfd_get_section_name (result_bfd
, s
),
136 (unsigned long) size
,
137 (lma_p
? "lma" : "vma"));
138 xprintf_bfd_vma (callback
, lma
);
139 xprintf (callback
, "\n");
142 bfd_get_section_contents (result_bfd
, s
, buffer
, 0, size
);
143 do_write (sd
, lma
, buffer
, size
);
144 found_loadable_section
= 1;
150 if (!found_loadable_section
)
153 "%s: no loadable sections \"%s\"\n",
160 end_time
= time (NULL
);
161 xprintf (callback
, "Start address ");
162 xprintf_bfd_vma (callback
, bfd_get_start_address (result_bfd
));
163 xprintf (callback
, "\n");
164 report_transfer_performance (callback
, data_count
, start_time
, end_time
);
167 bfd_cache_close (result_bfd
);
173 xprintf
VPARAMS ((host_callback
*callback
, const char *fmt
, ...))
175 host_callback
*callback
;
181 (*callback
->vprintf_filtered
) (callback
, fmt
, ap
);
187 eprintf
VPARAMS ((host_callback
*callback
, const char *fmt
, ...))
189 host_callback
*callback
;
195 (*callback
->evprintf_filtered
) (callback
, fmt
, ap
);
200 /* Report how fast the transfer went. */
203 report_transfer_performance (callback
, data_count
, start_time
, end_time
)
204 host_callback
*callback
;
205 unsigned long data_count
;
206 time_t start_time
, end_time
;
208 xprintf (callback
, "Transfer rate: ");
209 if (end_time
!= start_time
)
210 xprintf (callback
, "%ld bits/sec",
211 (data_count
* 8) / (end_time
- start_time
));
213 xprintf (callback
, "%ld bits in <1 sec", (data_count
* 8));
214 xprintf (callback
, ".\n");
218 This is intended to handle the vagaries of 32 vs 64 bits, etc. */
221 xprintf_bfd_vma (callback
, vma
)
222 host_callback
*callback
;
226 xprintf (callback
, "0x%lx", (unsigned long) vma
);