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c906108c SS |
1 | /* Utility to load a file into the simulator. |
2 | Copyright (C) 1997 Free Software Foundation, Inc. | |
3 | ||
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) | |
7 | any later version. | |
8 | ||
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. | |
13 | ||
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. */ | |
17 | ||
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 :-)]. */ | |
21 | ||
22 | #include "config.h" | |
23 | #include "ansidecl.h" | |
24 | #include <stdio.h> /* for NULL */ | |
25 | #ifdef ANSI_PROTOTYPES | |
26 | #include <stdarg.h> | |
27 | #else | |
28 | #include <varargs.h> | |
29 | #endif | |
30 | #ifdef HAVE_STDLIB_H | |
31 | #include <stdlib.h> | |
32 | #endif | |
33 | #include <time.h> | |
34 | ||
35 | #include "sim-basics.h" | |
36 | #include "bfd.h" | |
37 | #include "sim-utils.h" | |
38 | ||
39 | #include "callback.h" | |
40 | #include "remote-sim.h" | |
41 | ||
42 | static void eprintf PARAMS ((host_callback *, const char *, ...)); | |
43 | static void xprintf PARAMS ((host_callback *, const char *, ...)); | |
44 | static void report_transfer_performance | |
45 | PARAMS ((host_callback *, unsigned long, time_t, time_t)); | |
46 | static void xprintf_bfd_vma PARAMS ((host_callback *, bfd_vma)); | |
47 | ||
48 | /* Load program PROG into the simulator using the function DO_LOAD. | |
49 | If PROG_BFD is non-NULL, the file has already been opened. | |
50 | If VERBOSE_P is non-zero statistics are printed of each loaded section | |
51 | and the transfer rate (for consistency with gdb). | |
52 | If LMA_P is non-zero the program sections are loaded at the LMA | |
53 | rather than the VMA | |
54 | If this fails an error message is printed and NULL is returned. | |
55 | If it succeeds the bfd is returned. | |
56 | NOTE: For historical reasons, older hardware simulators incorrectly | |
57 | write the program sections at LMA interpreted as a virtual address. | |
58 | This is still accommodated for backward compatibility reasons. */ | |
59 | ||
60 | ||
61 | bfd * | |
62 | sim_load_file (sd, myname, callback, prog, prog_bfd, verbose_p, lma_p, do_write) | |
63 | SIM_DESC sd; | |
64 | const char *myname; | |
65 | host_callback *callback; | |
66 | char *prog; | |
67 | bfd *prog_bfd; | |
68 | int verbose_p; | |
69 | int lma_p; | |
70 | sim_write_fn do_write; | |
71 | { | |
72 | asection *s; | |
73 | /* Record separately as we don't want to close PROG_BFD if it was passed. */ | |
74 | bfd *result_bfd; | |
75 | time_t start_time = 0; /* Start and end times of download */ | |
76 | time_t end_time = 0; | |
77 | unsigned long data_count = 0; /* Number of bytes transferred to memory */ | |
78 | int found_loadable_section; | |
79 | ||
80 | if (prog_bfd != NULL) | |
81 | result_bfd = prog_bfd; | |
82 | else | |
83 | { | |
84 | result_bfd = bfd_openr (prog, 0); | |
85 | if (result_bfd == NULL) | |
86 | { | |
87 | eprintf (callback, "%s: can't open \"%s\": %s\n", | |
88 | myname, prog, bfd_errmsg (bfd_get_error ())); | |
89 | return NULL; | |
90 | } | |
91 | } | |
92 | ||
93 | if (!bfd_check_format (result_bfd, bfd_object)) | |
94 | { | |
95 | eprintf (callback, "%s: \"%s\" is not an object file: %s\n", | |
96 | myname, prog, bfd_errmsg (bfd_get_error ())); | |
97 | /* Only close if we opened it. */ | |
98 | if (prog_bfd == NULL) | |
99 | bfd_close (result_bfd); | |
100 | return NULL; | |
101 | } | |
102 | ||
103 | if (verbose_p) | |
104 | start_time = time (NULL); | |
105 | ||
106 | found_loadable_section = 0; | |
107 | for (s = result_bfd->sections; s; s = s->next) | |
108 | { | |
109 | if (s->flags & SEC_LOAD) | |
110 | { | |
111 | bfd_size_type size; | |
112 | ||
113 | size = bfd_get_section_size_before_reloc (s); | |
114 | if (size > 0) | |
115 | { | |
116 | char *buffer; | |
117 | bfd_vma lma; | |
118 | ||
119 | buffer = malloc (size); | |
120 | if (buffer == NULL) | |
121 | { | |
122 | eprintf (callback, | |
123 | "%s: insufficient memory to load \"%s\"\n", | |
124 | myname, prog); | |
125 | /* Only close if we opened it. */ | |
126 | if (prog_bfd == NULL) | |
127 | bfd_close (result_bfd); | |
128 | return NULL; | |
129 | } | |
130 | if (lma_p) | |
131 | lma = bfd_section_lma (result_bfd, s); | |
132 | else | |
133 | lma = bfd_section_vma (result_bfd, s); | |
134 | if (verbose_p) | |
135 | { | |
136 | xprintf (callback, "Loading section %s, size 0x%lx %s ", | |
137 | bfd_get_section_name (result_bfd, s), | |
138 | (unsigned long) size, | |
139 | (lma_p ? "lma" : "vma")); | |
140 | xprintf_bfd_vma (callback, lma); | |
141 | xprintf (callback, "\n"); | |
142 | } | |
143 | data_count += size; | |
144 | bfd_get_section_contents (result_bfd, s, buffer, 0, size); | |
145 | do_write (sd, lma, buffer, size); | |
146 | found_loadable_section = 1; | |
147 | free (buffer); | |
148 | } | |
149 | } | |
150 | } | |
151 | ||
152 | if (!found_loadable_section) | |
153 | { | |
154 | eprintf (callback, | |
155 | "%s: no loadable sections \"%s\"\n", | |
156 | myname, prog); | |
157 | return NULL; | |
158 | } | |
159 | ||
160 | if (verbose_p) | |
161 | { | |
162 | end_time = time (NULL); | |
163 | xprintf (callback, "Start address "); | |
164 | xprintf_bfd_vma (callback, bfd_get_start_address (result_bfd)); | |
165 | xprintf (callback, "\n"); | |
166 | report_transfer_performance (callback, data_count, start_time, end_time); | |
167 | } | |
168 | ||
2836ee25 FCE |
169 | bfd_cache_close (result_bfd); |
170 | ||
c906108c SS |
171 | return result_bfd; |
172 | } | |
173 | ||
174 | static void | |
175 | xprintf VPARAMS ((host_callback *callback, const char *fmt, ...)) | |
176 | { | |
177 | #ifndef ANSI_PROTOTYPES | |
178 | host_callback *callback; | |
179 | char *fmt; | |
180 | #endif | |
181 | va_list ap; | |
182 | ||
183 | VA_START (ap, fmt); | |
184 | #ifndef ANSI_PROTOTYPES | |
185 | callback = va_arg (ap, host_callback *); | |
186 | fmt = va_arg (ap, char *); | |
187 | #endif | |
188 | ||
189 | (*callback->vprintf_filtered) (callback, fmt, ap); | |
190 | ||
191 | va_end (ap); | |
192 | } | |
193 | ||
194 | static void | |
195 | eprintf VPARAMS ((host_callback *callback, const char *fmt, ...)) | |
196 | { | |
197 | #ifndef ANSI_PROTOTYPES | |
198 | host_callback *callback; | |
199 | char *fmt; | |
200 | #endif | |
201 | va_list ap; | |
202 | ||
203 | VA_START (ap, fmt); | |
204 | #ifndef ANSI_PROTOTYPES | |
205 | callback = va_arg (ap, host_callback *); | |
206 | fmt = va_arg (ap, char *); | |
207 | #endif | |
208 | ||
209 | (*callback->evprintf_filtered) (callback, fmt, ap); | |
210 | ||
211 | va_end (ap); | |
212 | } | |
213 | ||
214 | /* Report how fast the transfer went. */ | |
215 | ||
216 | static void | |
217 | report_transfer_performance (callback, data_count, start_time, end_time) | |
218 | host_callback *callback; | |
219 | unsigned long data_count; | |
220 | time_t start_time, end_time; | |
221 | { | |
222 | xprintf (callback, "Transfer rate: "); | |
223 | if (end_time != start_time) | |
224 | xprintf (callback, "%ld bits/sec", | |
225 | (data_count * 8) / (end_time - start_time)); | |
226 | else | |
227 | xprintf (callback, "%ld bits in <1 sec", (data_count * 8)); | |
228 | xprintf (callback, ".\n"); | |
229 | } | |
230 | ||
231 | /* Print a bfd_vma. | |
232 | This is intended to handle the vagaries of 32 vs 64 bits, etc. */ | |
233 | ||
234 | static void | |
235 | xprintf_bfd_vma (callback, vma) | |
236 | host_callback *callback; | |
237 | bfd_vma vma; | |
238 | { | |
239 | /* FIXME: for now */ | |
240 | xprintf (callback, "0x%lx", (unsigned long) vma); | |
241 | } |