Commit | Line | Data |
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c906108c | 1 | /* Utility to load a file into the simulator. |
3666a048 | 2 | Copyright (C) 1997-2021 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 | ||
6df01ab8 MF |
21 | /* This must come before any other includes. */ |
22 | #include "defs.h" | |
23 | ||
c906108c SS |
24 | #include "ansidecl.h" |
25 | #include <stdio.h> /* for NULL */ | |
c906108c | 26 | #include <stdarg.h> |
c906108c | 27 | #include <stdlib.h> |
c906108c SS |
28 | #include <time.h> |
29 | ||
30 | #include "sim-basics.h" | |
31 | #include "bfd.h" | |
32 | #include "sim-utils.h" | |
33 | ||
df68e12b MF |
34 | #include "sim/callback.h" |
35 | #include "sim/sim.h" | |
c906108c | 36 | |
bdca5ee4 TT |
37 | static void eprintf (host_callback *, const char *, ...); |
38 | static void xprintf (host_callback *, const char *, ...); | |
c906108c | 39 | static void report_transfer_performance |
bdca5ee4 | 40 | (host_callback *, unsigned long, time_t, time_t); |
c906108c SS |
41 | |
42 | /* Load program PROG into the simulator using the function DO_LOAD. | |
43 | If PROG_BFD is non-NULL, the file has already been opened. | |
44 | If VERBOSE_P is non-zero statistics are printed of each loaded section | |
45 | and the transfer rate (for consistency with gdb). | |
46 | If LMA_P is non-zero the program sections are loaded at the LMA | |
47 | rather than the VMA | |
48 | If this fails an error message is printed and NULL is returned. | |
49 | If it succeeds the bfd is returned. | |
50 | NOTE: For historical reasons, older hardware simulators incorrectly | |
51 | write the program sections at LMA interpreted as a virtual address. | |
52 | This is still accommodated for backward compatibility reasons. */ | |
53 | ||
54 | ||
55 | bfd * | |
1a8a700e | 56 | sim_load_file (SIM_DESC sd, const char *myname, host_callback *callback, |
b2b255bd | 57 | const char *prog, bfd *prog_bfd, int verbose_p, int lma_p, |
1a8a700e | 58 | sim_write_fn do_write) |
c906108c SS |
59 | { |
60 | asection *s; | |
61 | /* Record separately as we don't want to close PROG_BFD if it was passed. */ | |
62 | bfd *result_bfd; | |
63 | time_t start_time = 0; /* Start and end times of download */ | |
64 | time_t end_time = 0; | |
65 | unsigned long data_count = 0; /* Number of bytes transferred to memory */ | |
66 | int found_loadable_section; | |
67 | ||
68 | if (prog_bfd != NULL) | |
69 | result_bfd = prog_bfd; | |
70 | else | |
71 | { | |
72 | result_bfd = bfd_openr (prog, 0); | |
73 | if (result_bfd == NULL) | |
74 | { | |
028f6515 | 75 | eprintf (callback, "%s: can't open \"%s\": %s\n", |
c906108c SS |
76 | myname, prog, bfd_errmsg (bfd_get_error ())); |
77 | return NULL; | |
78 | } | |
79 | } | |
80 | ||
028f6515 | 81 | if (!bfd_check_format (result_bfd, bfd_object)) |
c906108c SS |
82 | { |
83 | eprintf (callback, "%s: \"%s\" is not an object file: %s\n", | |
84 | myname, prog, bfd_errmsg (bfd_get_error ())); | |
85 | /* Only close if we opened it. */ | |
86 | if (prog_bfd == NULL) | |
87 | bfd_close (result_bfd); | |
88 | return NULL; | |
89 | } | |
90 | ||
91 | if (verbose_p) | |
92 | start_time = time (NULL); | |
93 | ||
94 | found_loadable_section = 0; | |
028f6515 | 95 | for (s = result_bfd->sections; s; s = s->next) |
c906108c | 96 | { |
028f6515 | 97 | if (s->flags & SEC_LOAD) |
c906108c SS |
98 | { |
99 | bfd_size_type size; | |
100 | ||
fd361982 | 101 | size = bfd_section_size (s); |
c906108c SS |
102 | if (size > 0) |
103 | { | |
cc25892b | 104 | unsigned char *buffer; |
c906108c SS |
105 | bfd_vma lma; |
106 | ||
107 | buffer = malloc (size); | |
108 | if (buffer == NULL) | |
109 | { | |
110 | eprintf (callback, | |
111 | "%s: insufficient memory to load \"%s\"\n", | |
112 | myname, prog); | |
113 | /* Only close if we opened it. */ | |
114 | if (prog_bfd == NULL) | |
115 | bfd_close (result_bfd); | |
116 | return NULL; | |
117 | } | |
118 | if (lma_p) | |
fd361982 | 119 | lma = bfd_section_lma (s); |
c906108c | 120 | else |
fd361982 | 121 | lma = bfd_section_vma (s); |
c906108c SS |
122 | if (verbose_p) |
123 | { | |
5ee0bc23 MF |
124 | xprintf (callback, |
125 | "Loading section %s, size 0x%lx %s " | |
126 | "%" BFD_VMA_FMT "x\n", | |
fd361982 | 127 | bfd_section_name (s), |
c906108c | 128 | (unsigned long) size, |
5ee0bc23 | 129 | (lma_p ? "lma" : "vma"), lma); |
c906108c SS |
130 | } |
131 | data_count += size; | |
132 | bfd_get_section_contents (result_bfd, s, buffer, 0, size); | |
133 | do_write (sd, lma, buffer, size); | |
134 | found_loadable_section = 1; | |
135 | free (buffer); | |
136 | } | |
137 | } | |
138 | } | |
139 | ||
140 | if (!found_loadable_section) | |
141 | { | |
142 | eprintf (callback, | |
143 | "%s: no loadable sections \"%s\"\n", | |
144 | myname, prog); | |
145 | return NULL; | |
146 | } | |
147 | ||
148 | if (verbose_p) | |
149 | { | |
150 | end_time = time (NULL); | |
5ee0bc23 MF |
151 | xprintf (callback, "Start address %" BFD_VMA_FMT "x\n", |
152 | bfd_get_start_address (result_bfd)); | |
c906108c SS |
153 | report_transfer_performance (callback, data_count, start_time, end_time); |
154 | } | |
155 | ||
2836ee25 FCE |
156 | bfd_cache_close (result_bfd); |
157 | ||
c906108c SS |
158 | return result_bfd; |
159 | } | |
160 | ||
161 | static void | |
bdca5ee4 | 162 | xprintf (host_callback *callback, const char *fmt, ...) |
c906108c | 163 | { |
c906108c SS |
164 | va_list ap; |
165 | ||
6104cb7a | 166 | va_start (ap, fmt); |
c906108c SS |
167 | |
168 | (*callback->vprintf_filtered) (callback, fmt, ap); | |
169 | ||
170 | va_end (ap); | |
171 | } | |
172 | ||
173 | static void | |
bdca5ee4 | 174 | eprintf (host_callback *callback, const char *fmt, ...) |
c906108c | 175 | { |
c906108c SS |
176 | va_list ap; |
177 | ||
6104cb7a | 178 | va_start (ap, fmt); |
c906108c SS |
179 | |
180 | (*callback->evprintf_filtered) (callback, fmt, ap); | |
181 | ||
182 | va_end (ap); | |
183 | } | |
184 | ||
185 | /* Report how fast the transfer went. */ | |
186 | ||
187 | static void | |
1a8a700e MF |
188 | report_transfer_performance (host_callback *callback, unsigned long data_count, |
189 | time_t start_time, time_t end_time) | |
c906108c SS |
190 | { |
191 | xprintf (callback, "Transfer rate: "); | |
192 | if (end_time != start_time) | |
193 | xprintf (callback, "%ld bits/sec", | |
194 | (data_count * 8) / (end_time - start_time)); | |
195 | else | |
196 | xprintf (callback, "%ld bits in <1 sec", (data_count * 8)); | |
197 | xprintf (callback, ".\n"); | |
198 | } |