Commit | Line | Data |
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c906108c | 1 | /* Utility to load a file into the simulator. |
e2882c85 | 2 | Copyright (C) 1997-2018 Free Software Foundation, Inc. |
c906108c SS |
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 | |
4744ac1b JB |
6 | the Free Software Foundation; either version 3 of the License, or |
7 | (at your option) any later version. | |
c906108c SS |
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 | |
4744ac1b | 15 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
16 | |
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 :-)]. */ | |
20 | ||
41ee5402 | 21 | #ifdef HAVE_CONFIG_H |
936df756 | 22 | #include "config.h" |
41ee5402 | 23 | #endif |
c906108c SS |
24 | #include "ansidecl.h" |
25 | #include <stdio.h> /* for NULL */ | |
c906108c | 26 | #include <stdarg.h> |
c906108c SS |
27 | #ifdef HAVE_STDLIB_H |
28 | #include <stdlib.h> | |
29 | #endif | |
30 | #include <time.h> | |
31 | ||
32 | #include "sim-basics.h" | |
33 | #include "bfd.h" | |
34 | #include "sim-utils.h" | |
35 | ||
3c25f8c7 AC |
36 | #include "gdb/callback.h" |
37 | #include "gdb/remote-sim.h" | |
c906108c | 38 | |
bdca5ee4 TT |
39 | static void eprintf (host_callback *, const char *, ...); |
40 | static void xprintf (host_callback *, const char *, ...); | |
c906108c | 41 | static void report_transfer_performance |
bdca5ee4 TT |
42 | (host_callback *, unsigned long, time_t, time_t); |
43 | static void xprintf_bfd_vma (host_callback *, bfd_vma); | |
c906108c SS |
44 | |
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 | |
50 | rather than the VMA | |
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. */ | |
56 | ||
57 | ||
58 | bfd * | |
1a8a700e | 59 | sim_load_file (SIM_DESC sd, const char *myname, host_callback *callback, |
b2b255bd | 60 | const char *prog, bfd *prog_bfd, int verbose_p, int lma_p, |
1a8a700e | 61 | sim_write_fn do_write) |
c906108c SS |
62 | { |
63 | asection *s; | |
64 | /* Record separately as we don't want to close PROG_BFD if it was passed. */ | |
65 | bfd *result_bfd; | |
66 | time_t start_time = 0; /* Start and end times of download */ | |
67 | time_t end_time = 0; | |
68 | unsigned long data_count = 0; /* Number of bytes transferred to memory */ | |
69 | int found_loadable_section; | |
70 | ||
71 | if (prog_bfd != NULL) | |
72 | result_bfd = prog_bfd; | |
73 | else | |
74 | { | |
75 | result_bfd = bfd_openr (prog, 0); | |
76 | if (result_bfd == NULL) | |
77 | { | |
028f6515 | 78 | eprintf (callback, "%s: can't open \"%s\": %s\n", |
c906108c SS |
79 | myname, prog, bfd_errmsg (bfd_get_error ())); |
80 | return NULL; | |
81 | } | |
82 | } | |
83 | ||
028f6515 | 84 | if (!bfd_check_format (result_bfd, bfd_object)) |
c906108c SS |
85 | { |
86 | eprintf (callback, "%s: \"%s\" is not an object file: %s\n", | |
87 | myname, prog, bfd_errmsg (bfd_get_error ())); | |
88 | /* Only close if we opened it. */ | |
89 | if (prog_bfd == NULL) | |
90 | bfd_close (result_bfd); | |
91 | return NULL; | |
92 | } | |
93 | ||
94 | if (verbose_p) | |
95 | start_time = time (NULL); | |
96 | ||
97 | found_loadable_section = 0; | |
028f6515 | 98 | for (s = result_bfd->sections; s; s = s->next) |
c906108c | 99 | { |
028f6515 | 100 | if (s->flags & SEC_LOAD) |
c906108c SS |
101 | { |
102 | bfd_size_type size; | |
103 | ||
5f510f9c | 104 | size = bfd_get_section_size (s); |
c906108c SS |
105 | if (size > 0) |
106 | { | |
cc25892b | 107 | unsigned char *buffer; |
c906108c SS |
108 | bfd_vma lma; |
109 | ||
110 | buffer = malloc (size); | |
111 | if (buffer == NULL) | |
112 | { | |
113 | eprintf (callback, | |
114 | "%s: insufficient memory to load \"%s\"\n", | |
115 | myname, prog); | |
116 | /* Only close if we opened it. */ | |
117 | if (prog_bfd == NULL) | |
118 | bfd_close (result_bfd); | |
119 | return NULL; | |
120 | } | |
121 | if (lma_p) | |
122 | lma = bfd_section_lma (result_bfd, s); | |
123 | else | |
124 | lma = bfd_section_vma (result_bfd, s); | |
125 | if (verbose_p) | |
126 | { | |
127 | xprintf (callback, "Loading section %s, size 0x%lx %s ", | |
128 | bfd_get_section_name (result_bfd, s), | |
129 | (unsigned long) size, | |
130 | (lma_p ? "lma" : "vma")); | |
131 | xprintf_bfd_vma (callback, lma); | |
132 | xprintf (callback, "\n"); | |
133 | } | |
134 | data_count += size; | |
135 | bfd_get_section_contents (result_bfd, s, buffer, 0, size); | |
136 | do_write (sd, lma, buffer, size); | |
137 | found_loadable_section = 1; | |
138 | free (buffer); | |
139 | } | |
140 | } | |
141 | } | |
142 | ||
143 | if (!found_loadable_section) | |
144 | { | |
145 | eprintf (callback, | |
146 | "%s: no loadable sections \"%s\"\n", | |
147 | myname, prog); | |
148 | return NULL; | |
149 | } | |
150 | ||
151 | if (verbose_p) | |
152 | { | |
153 | end_time = time (NULL); | |
154 | xprintf (callback, "Start address "); | |
155 | xprintf_bfd_vma (callback, bfd_get_start_address (result_bfd)); | |
156 | xprintf (callback, "\n"); | |
157 | report_transfer_performance (callback, data_count, start_time, end_time); | |
158 | } | |
159 | ||
2836ee25 FCE |
160 | bfd_cache_close (result_bfd); |
161 | ||
c906108c SS |
162 | return result_bfd; |
163 | } | |
164 | ||
165 | static void | |
bdca5ee4 | 166 | xprintf (host_callback *callback, const char *fmt, ...) |
c906108c | 167 | { |
c906108c SS |
168 | va_list ap; |
169 | ||
6104cb7a | 170 | va_start (ap, fmt); |
c906108c SS |
171 | |
172 | (*callback->vprintf_filtered) (callback, fmt, ap); | |
173 | ||
174 | va_end (ap); | |
175 | } | |
176 | ||
177 | static void | |
bdca5ee4 | 178 | eprintf (host_callback *callback, const char *fmt, ...) |
c906108c | 179 | { |
c906108c SS |
180 | va_list ap; |
181 | ||
6104cb7a | 182 | va_start (ap, fmt); |
c906108c SS |
183 | |
184 | (*callback->evprintf_filtered) (callback, fmt, ap); | |
185 | ||
186 | va_end (ap); | |
187 | } | |
188 | ||
189 | /* Report how fast the transfer went. */ | |
190 | ||
191 | static void | |
1a8a700e MF |
192 | report_transfer_performance (host_callback *callback, unsigned long data_count, |
193 | time_t start_time, time_t end_time) | |
c906108c SS |
194 | { |
195 | xprintf (callback, "Transfer rate: "); | |
196 | if (end_time != start_time) | |
197 | xprintf (callback, "%ld bits/sec", | |
198 | (data_count * 8) / (end_time - start_time)); | |
199 | else | |
200 | xprintf (callback, "%ld bits in <1 sec", (data_count * 8)); | |
201 | xprintf (callback, ".\n"); | |
202 | } | |
203 | ||
204 | /* Print a bfd_vma. | |
205 | This is intended to handle the vagaries of 32 vs 64 bits, etc. */ | |
206 | ||
207 | static void | |
1a8a700e | 208 | xprintf_bfd_vma (host_callback *callback, bfd_vma vma) |
c906108c SS |
209 | { |
210 | /* FIXME: for now */ | |
211 | xprintf (callback, "0x%lx", (unsigned long) vma); | |
212 | } |