1 /* Utility to load a file into the simulator.
2 Copyright (C) 1997-2014 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 3 of the License, or
7 (at your option) any later version.
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, see <http://www.gnu.org/licenses/>. */
17 /* This is a standalone loader, independent of the sim-basic.h machinery,
18 as it is used by simulators that don't use it [though that doesn't mean
19 to suggest that they shouldn't :-)]. */
25 #include <stdio.h> /* for NULL */
32 #include "sim-basics.h"
34 #include "sim-utils.h"
36 #include "gdb/callback.h"
37 #include "gdb/remote-sim.h"
39 static void eprintf (host_callback
*, const char *, ...);
40 static void xprintf (host_callback
*, const char *, ...);
41 static void report_transfer_performance
42 (host_callback
*, unsigned long, time_t, time_t);
43 static void xprintf_bfd_vma (host_callback
*, bfd_vma
);
45 /* Load program PROG into the simulator using the function DO_LOAD.
46 If PROG_BFD is non-NULL, the file has already been opened.
47 If VERBOSE_P is non-zero statistics are printed of each loaded section
48 and the transfer rate (for consistency with gdb).
49 If LMA_P is non-zero the program sections are loaded at the LMA
51 If this fails an error message is printed and NULL is returned.
52 If it succeeds the bfd is returned.
53 NOTE: For historical reasons, older hardware simulators incorrectly
54 write the program sections at LMA interpreted as a virtual address.
55 This is still accommodated for backward compatibility reasons. */
59 sim_load_file (sd
, myname
, callback
, prog
, prog_bfd
, verbose_p
, lma_p
, do_write
)
62 host_callback
*callback
;
67 sim_write_fn do_write
;
70 /* Record separately as we don't want to close PROG_BFD if it was passed. */
72 time_t start_time
= 0; /* Start and end times of download */
74 unsigned long data_count
= 0; /* Number of bytes transferred to memory */
75 int found_loadable_section
;
78 result_bfd
= prog_bfd
;
81 result_bfd
= bfd_openr (prog
, 0);
82 if (result_bfd
== NULL
)
84 eprintf (callback
, "%s: can't open \"%s\": %s\n",
85 myname
, prog
, bfd_errmsg (bfd_get_error ()));
90 if (!bfd_check_format (result_bfd
, bfd_object
))
92 eprintf (callback
, "%s: \"%s\" is not an object file: %s\n",
93 myname
, prog
, bfd_errmsg (bfd_get_error ()));
94 /* Only close if we opened it. */
96 bfd_close (result_bfd
);
101 start_time
= time (NULL
);
103 found_loadable_section
= 0;
104 for (s
= result_bfd
->sections
; s
; s
= s
->next
)
106 if (s
->flags
& SEC_LOAD
)
110 size
= bfd_get_section_size (s
);
113 unsigned char *buffer
;
116 buffer
= malloc (size
);
120 "%s: insufficient memory to load \"%s\"\n",
122 /* Only close if we opened it. */
123 if (prog_bfd
== NULL
)
124 bfd_close (result_bfd
);
128 lma
= bfd_section_lma (result_bfd
, s
);
130 lma
= bfd_section_vma (result_bfd
, s
);
133 xprintf (callback
, "Loading section %s, size 0x%lx %s ",
134 bfd_get_section_name (result_bfd
, s
),
135 (unsigned long) size
,
136 (lma_p
? "lma" : "vma"));
137 xprintf_bfd_vma (callback
, lma
);
138 xprintf (callback
, "\n");
141 bfd_get_section_contents (result_bfd
, s
, buffer
, 0, size
);
142 do_write (sd
, lma
, buffer
, size
);
143 found_loadable_section
= 1;
149 if (!found_loadable_section
)
152 "%s: no loadable sections \"%s\"\n",
159 end_time
= time (NULL
);
160 xprintf (callback
, "Start address ");
161 xprintf_bfd_vma (callback
, bfd_get_start_address (result_bfd
));
162 xprintf (callback
, "\n");
163 report_transfer_performance (callback
, data_count
, start_time
, end_time
);
166 bfd_cache_close (result_bfd
);
172 xprintf (host_callback
*callback
, const char *fmt
, ...)
178 (*callback
->vprintf_filtered
) (callback
, fmt
, ap
);
184 eprintf (host_callback
*callback
, const char *fmt
, ...)
190 (*callback
->evprintf_filtered
) (callback
, fmt
, ap
);
195 /* Report how fast the transfer went. */
198 report_transfer_performance (callback
, data_count
, start_time
, end_time
)
199 host_callback
*callback
;
200 unsigned long data_count
;
201 time_t start_time
, end_time
;
203 xprintf (callback
, "Transfer rate: ");
204 if (end_time
!= start_time
)
205 xprintf (callback
, "%ld bits/sec",
206 (data_count
* 8) / (end_time
- start_time
));
208 xprintf (callback
, "%ld bits in <1 sec", (data_count
* 8));
209 xprintf (callback
, ".\n");
213 This is intended to handle the vagaries of 32 vs 64 bits, etc. */
216 xprintf_bfd_vma (callback
, vma
)
217 host_callback
*callback
;
221 xprintf (callback
, "0x%lx", (unsigned long) vma
);