1 /* od-avrelf.c -- dump information about an AVR elf object file.
2 Copyright (C) 2011-2018 Free Software Foundation, Inc.
3 Written by Senthil Kumar Selvaraj, Atmel.
5 This file is part of GNU Binutils.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
26 #include "safe-ctype.h"
32 #include "elf/external.h"
33 #include "elf/internal.h"
34 #include "elf32-avr.h"
36 /* Index of the options in the options[] array. */
37 #define OPT_MEMUSAGE 0
40 /* List of actions. */
41 static struct objdump_private_option options[] =
51 elf32_avr_help (FILE *stream)
55 mem-usage Display memory usage\n\
56 avr-prop Display contents of .avr.prop section\n\
60 typedef struct tagDeviceInfo
66 uint32_t eeprom_start;
72 /* Return TRUE if ABFD is handled. */
75 elf32_avr_filter (bfd *abfd)
77 return bfd_get_flavour (abfd) == bfd_target_elf_flavour;
81 elf32_avr_get_note_section_contents (bfd *abfd, bfd_size_type *size)
85 if ((section = bfd_get_section_by_name (abfd, ".note.gnu.avr.deviceinfo")) == NULL)
88 *size = bfd_get_section_size (section);
89 char *contents = (char *) xmalloc (*size);
90 bfd_get_section_contents (abfd, section, contents, 0, *size);
95 static char* elf32_avr_get_note_desc (bfd *abfd, char *contents,
98 Elf_External_Note *xnp = (Elf_External_Note *) contents;
101 if (offsetof (Elf_External_Note, name) > size)
104 in.type = bfd_get_32 (abfd, xnp->type);
105 in.namesz = bfd_get_32 (abfd, xnp->namesz);
106 in.namedata = xnp->name;
107 if (in.namesz > contents - in.namedata + size)
110 in.descsz = bfd_get_32 (abfd, xnp->descsz);
111 in.descdata = in.namedata + align_power (in.namesz, 2);
113 && (in.descdata >= contents + size
114 || in.descsz > contents - in.descdata + size))
117 if (strcmp (in.namedata, "AVR") != 0)
124 elf32_avr_get_device_info (bfd *abfd, char *description,
127 if (description == NULL)
130 const bfd_size_type memory_sizes = 6;
132 memcpy (device, description, memory_sizes * sizeof(uint32_t));
135 uint32_t *stroffset_table = ((uint32_t *) description) + memory_sizes;
136 bfd_size_type stroffset_table_size = bfd_get_32 (abfd, stroffset_table);
137 char *str_table = ((char *) stroffset_table) + stroffset_table_size;
139 /* If the only content is the size itself, there's nothing in the table */
140 if (stroffset_table_size == 4)
143 /* First entry is the device name index. */
144 uint32_t device_name_index = bfd_get_32 (abfd, stroffset_table + 1);
146 device->name = str_table + device_name_index;
150 elf32_avr_get_memory_usage (bfd *abfd,
151 bfd_size_type *text_usage,
152 bfd_size_type *data_usage,
153 bfd_size_type *eeprom_usage)
156 bfd_size_type avr_datasize = 0;
157 bfd_size_type avr_textsize = 0;
158 bfd_size_type avr_bsssize = 0;
159 bfd_size_type bootloadersize = 0;
160 bfd_size_type noinitsize = 0;
161 bfd_size_type eepromsize = 0;
164 if ((section = bfd_get_section_by_name (abfd, ".data")) != NULL)
165 avr_datasize = bfd_section_size (abfd, section);
166 if ((section = bfd_get_section_by_name (abfd, ".text")) != NULL)
167 avr_textsize = bfd_section_size (abfd, section);
168 if ((section = bfd_get_section_by_name (abfd, ".bss")) != NULL)
169 avr_bsssize = bfd_section_size (abfd, section);
170 if ((section = bfd_get_section_by_name (abfd, ".bootloader")) != NULL)
171 bootloadersize = bfd_section_size (abfd, section);
172 if ((section = bfd_get_section_by_name (abfd, ".noinit")) != NULL)
173 noinitsize = bfd_section_size (abfd, section);
174 if ((section = bfd_get_section_by_name (abfd, ".eeprom")) != NULL)
175 eepromsize = bfd_section_size (abfd, section);
177 *text_usage = avr_textsize + avr_datasize + bootloadersize;
178 *data_usage = avr_datasize + avr_bsssize + noinitsize;
179 *eeprom_usage = eepromsize;
183 elf32_avr_dump_mem_usage (bfd *abfd)
185 char *description = NULL;
186 bfd_size_type note_section_size = 0;
188 deviceinfo device = { 0, 0, 0, 0, 0, 0, NULL };
189 device.name = "Unknown";
191 bfd_size_type data_usage = 0;
192 bfd_size_type text_usage = 0;
193 bfd_size_type eeprom_usage = 0;
195 char *contents = elf32_avr_get_note_section_contents (abfd,
198 if (contents != NULL)
200 description = elf32_avr_get_note_desc (abfd, contents, note_section_size);
201 elf32_avr_get_device_info (abfd, description, &device);
204 elf32_avr_get_memory_usage (abfd, &text_usage, &data_usage,
207 printf ("AVR Memory Usage\n"
209 "Device: %s\n\n", device.name);
212 printf ("Program:%8ld bytes", text_usage);
213 if (device.flash_size > 0)
214 printf (" (%2.1f%% Full)", ((float) text_usage / device.flash_size) * 100);
216 printf ("\n(.text + .data + .bootloader)\n\n");
219 printf ("Data: %8ld bytes", data_usage);
220 if (device.ram_size > 0)
221 printf (" (%2.1f%% Full)", ((float) data_usage / device.ram_size) * 100);
223 printf ("\n(.data + .bss + .noinit)\n\n");
226 if (eeprom_usage > 0)
228 printf ("EEPROM: %8ld bytes", eeprom_usage);
229 if (device.eeprom_size > 0)
230 printf (" (%2.1f%% Full)", ((float) eeprom_usage / device.eeprom_size) * 100);
232 printf ("\n(.eeprom)\n\n");
235 if (contents != NULL)
241 elf32_avr_dump_avr_prop (bfd *abfd)
243 struct avr_property_record_list *r_list;
246 r_list = avr_elf32_load_property_records (abfd);
250 printf ("\nContents of `%s' section:\n\n", r_list->section->name);
252 printf (" Version: %d\n", r_list->version);
253 printf (" Flags: %#x\n\n", r_list->flags);
255 for (i = 0; i < r_list->record_count; ++i)
257 printf (" %d %s @ %s + %#08lx (%#08lx)\n",
259 avr_elf32_property_record_name (&r_list->records [i]),
260 r_list->records [i].section->name,
261 r_list->records [i].offset,
262 (bfd_get_section_vma (abfd, r_list->records [i].section)
263 + r_list->records [i].offset));
264 switch (r_list->records [i].type)
267 /* Nothing else to print. */
269 case RECORD_ORG_AND_FILL:
270 printf (" Fill: %#08lx\n",
271 r_list->records [i].data.org.fill);
274 printf (" Align: %#08lx\n",
275 r_list->records [i].data.align.bytes);
277 case RECORD_ALIGN_AND_FILL:
278 printf (" Align: %#08lx, Fill: %#08lx\n",
279 r_list->records [i].data.align.bytes,
280 r_list->records [i].data.align.fill);
289 elf32_avr_dump (bfd *abfd)
291 if (options[OPT_MEMUSAGE].selected)
292 elf32_avr_dump_mem_usage (abfd);
293 if (options[OPT_AVRPROP].selected)
294 elf32_avr_dump_avr_prop (abfd);
297 const struct objdump_private_desc objdump_private_desc_elf32_avr =