1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303
|
/* od-avrelf.c -- dump information about an AVR elf object file.
Copyright (C) 2011-2020 Free Software Foundation, Inc.
Written by Senthil Kumar Selvaraj, Atmel.
This file is part of GNU Binutils.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#include "sysdep.h"
#include <stddef.h>
#include <time.h>
#include <stdint.h>
#include "safe-ctype.h"
#include "bfd.h"
#include "objdump.h"
#include "bucomm.h"
#include "bfdlink.h"
#include "bfd.h"
#include "elf/external.h"
#include "elf/internal.h"
#include "elf32-avr.h"
/* Index of the options in the options[] array. */
#define OPT_MEMUSAGE 0
#define OPT_AVRPROP 1
/* List of actions. */
static struct objdump_private_option options[] =
{
{ "mem-usage", 0 },
{ "avr-prop", 0},
{ NULL, 0 }
};
/* Display help. */
static void
elf32_avr_help (FILE *stream)
{
fprintf (stream, _("\
For AVR ELF files:\n\
mem-usage Display memory usage\n\
avr-prop Display contents of .avr.prop section\n\
"));
}
typedef struct tagDeviceInfo
{
uint32_t flash_start;
uint32_t flash_size;
uint32_t ram_start;
uint32_t ram_size;
uint32_t eeprom_start;
uint32_t eeprom_size;
char * name;
} deviceinfo;
/* Return TRUE if ABFD is handled. */
static int
elf32_avr_filter (bfd *abfd)
{
return bfd_get_flavour (abfd) == bfd_target_elf_flavour;
}
static char*
elf32_avr_get_note_section_contents (bfd *abfd, bfd_size_type *size)
{
asection *section;
if ((section = bfd_get_section_by_name (abfd, ".note.gnu.avr.deviceinfo")) == NULL)
return NULL;
*size = bfd_section_size (section);
char *contents = (char *) xmalloc (*size);
bfd_get_section_contents (abfd, section, contents, 0, *size);
return contents;
}
static char* elf32_avr_get_note_desc (bfd *abfd, char *contents,
bfd_size_type size)
{
Elf_External_Note *xnp = (Elf_External_Note *) contents;
Elf_Internal_Note in;
if (offsetof (Elf_External_Note, name) > size)
return NULL;
in.type = bfd_get_32 (abfd, xnp->type);
in.namesz = bfd_get_32 (abfd, xnp->namesz);
in.namedata = xnp->name;
if (in.namesz > contents - in.namedata + size)
return NULL;
in.descsz = bfd_get_32 (abfd, xnp->descsz);
in.descdata = in.namedata + align_power (in.namesz, 2);
if (in.descsz != 0
&& (in.descdata >= contents + size
|| in.descsz > contents - in.descdata + size))
return NULL;
if (strcmp (in.namedata, "AVR") != 0)
return NULL;
return in.descdata;
}
static void
elf32_avr_get_device_info (bfd *abfd, char *description,
deviceinfo *device)
{
if (description == NULL)
return;
const bfd_size_type memory_sizes = 6;
memcpy (device, description, memory_sizes * sizeof(uint32_t));
device->name = NULL;
uint32_t *stroffset_table = ((uint32_t *) description) + memory_sizes;
bfd_size_type stroffset_table_size = bfd_get_32 (abfd, stroffset_table);
char *str_table = ((char *) stroffset_table) + stroffset_table_size;
/* If the only content is the size itself, there's nothing in the table */
if (stroffset_table_size == 4)
return;
/* First entry is the device name index. */
uint32_t device_name_index = bfd_get_32 (abfd, stroffset_table + 1);
device->name = str_table + device_name_index;
}
static void
elf32_avr_get_memory_usage (bfd *abfd,
bfd_size_type *text_usage,
bfd_size_type *data_usage,
bfd_size_type *eeprom_usage)
{
bfd_size_type avr_datasize = 0;
bfd_size_type avr_textsize = 0;
bfd_size_type avr_bsssize = 0;
bfd_size_type bootloadersize = 0;
bfd_size_type noinitsize = 0;
bfd_size_type eepromsize = 0;
asection *section;
if ((section = bfd_get_section_by_name (abfd, ".data")) != NULL)
avr_datasize = bfd_section_size (section);
if ((section = bfd_get_section_by_name (abfd, ".text")) != NULL)
avr_textsize = bfd_section_size (section);
if ((section = bfd_get_section_by_name (abfd, ".bss")) != NULL)
avr_bsssize = bfd_section_size (section);
if ((section = bfd_get_section_by_name (abfd, ".bootloader")) != NULL)
bootloadersize = bfd_section_size (section);
if ((section = bfd_get_section_by_name (abfd, ".noinit")) != NULL)
noinitsize = bfd_section_size (section);
if ((section = bfd_get_section_by_name (abfd, ".eeprom")) != NULL)
eepromsize = bfd_section_size (section);
*text_usage = avr_textsize + avr_datasize + bootloadersize;
*data_usage = avr_datasize + avr_bsssize + noinitsize;
*eeprom_usage = eepromsize;
}
static void
elf32_avr_dump_mem_usage (bfd *abfd)
{
char *description = NULL;
bfd_size_type note_section_size = 0;
deviceinfo device = { 0, 0, 0, 0, 0, 0, NULL };
device.name = "Unknown";
bfd_size_type data_usage = 0;
bfd_size_type text_usage = 0;
bfd_size_type eeprom_usage = 0;
char *contents = elf32_avr_get_note_section_contents (abfd,
¬e_section_size);
if (contents != NULL)
{
description = elf32_avr_get_note_desc (abfd, contents, note_section_size);
elf32_avr_get_device_info (abfd, description, &device);
}
elf32_avr_get_memory_usage (abfd, &text_usage, &data_usage,
&eeprom_usage);
printf ("AVR Memory Usage\n"
"----------------\n"
"Device: %s\n\n", device.name);
/* Text size */
printf ("Program:%8ld bytes", text_usage);
if (device.flash_size > 0)
printf (" (%2.1f%% Full)", ((float) text_usage / device.flash_size) * 100);
printf ("\n(.text + .data + .bootloader)\n\n");
/* Data size */
printf ("Data: %8ld bytes", data_usage);
if (device.ram_size > 0)
printf (" (%2.1f%% Full)", ((float) data_usage / device.ram_size) * 100);
printf ("\n(.data + .bss + .noinit)\n\n");
/* EEPROM size */
if (eeprom_usage > 0)
{
printf ("EEPROM: %8ld bytes", eeprom_usage);
if (device.eeprom_size > 0)
printf (" (%2.1f%% Full)", ((float) eeprom_usage / device.eeprom_size) * 100);
printf ("\n(.eeprom)\n\n");
}
if (contents != NULL)
free (contents);
}
static void
elf32_avr_dump_avr_prop (bfd *abfd)
{
struct avr_property_record_list *r_list;
unsigned int i;
r_list = avr_elf32_load_property_records (abfd);
if (r_list == NULL)
return;
printf ("\nContents of `%s' section:\n\n", r_list->section->name);
printf (" Version: %d\n", r_list->version);
printf (" Flags: %#x\n\n", r_list->flags);
for (i = 0; i < r_list->record_count; ++i)
{
printf (" %d %s @ %s + %#08lx (%#08lx)\n",
i,
avr_elf32_property_record_name (&r_list->records [i]),
r_list->records [i].section->name,
r_list->records [i].offset,
(bfd_section_vma (r_list->records [i].section)
+ r_list->records [i].offset));
switch (r_list->records [i].type)
{
case RECORD_ORG:
/* Nothing else to print. */
break;
case RECORD_ORG_AND_FILL:
printf (" Fill: %#08lx\n",
r_list->records [i].data.org.fill);
break;
case RECORD_ALIGN:
printf (" Align: %#08lx\n",
r_list->records [i].data.align.bytes);
break;
case RECORD_ALIGN_AND_FILL:
printf (" Align: %#08lx, Fill: %#08lx\n",
r_list->records [i].data.align.bytes,
r_list->records [i].data.align.fill);
break;
}
}
free (r_list);
}
static void
elf32_avr_dump (bfd *abfd)
{
if (options[OPT_MEMUSAGE].selected)
elf32_avr_dump_mem_usage (abfd);
if (options[OPT_AVRPROP].selected)
elf32_avr_dump_avr_prop (abfd);
}
const struct objdump_private_desc objdump_private_desc_elf32_avr =
{
elf32_avr_help,
elf32_avr_filter,
elf32_avr_dump,
options
};
|