* od-elf32_avr.c: Forgot to add a new file.

1 files changed, 249 insertions, 0 deletions

diff --git a/binutils/od-elf32_avr.c b/binutils/od-elf32_avr.c
new file mode 100644
index 0000000..7a0a212
--- /dev/null
+++ b/binutils/od-elf32_avr.c
@@ -0,0 +1,249 @@
+/* od-avrelf.c -- dump information about an AVR elf object file.
+   Copyright (C) 2011-2014 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"
+
+/* Index of the options in the options[] array.  */
+#define OPT_MEMUSAGE 0
+
+/* List of actions.  */
+static struct objdump_private_option options[] =
+  {
+    { "mem-usage", 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\
+"));
+}
+
+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_get_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 (abfd, section);
+  if ((section = bfd_get_section_by_name (abfd, ".text")) != NULL)
+    avr_textsize = bfd_section_size (abfd, section);
+  if ((section = bfd_get_section_by_name (abfd, ".bss")) != NULL)
+    avr_bsssize = bfd_section_size (abfd, section);
+  if ((section = bfd_get_section_by_name (abfd, ".bootloader")) != NULL)
+    bootloadersize = bfd_section_size (abfd, section);
+  if ((section = bfd_get_section_by_name (abfd, ".noinit")) != NULL)
+    noinitsize = bfd_section_size (abfd, section);
+  if ((section = bfd_get_section_by_name (abfd, ".eeprom")) != NULL)
+    eepromsize = bfd_section_size (abfd, 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};
+  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,
+    &note_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 (bfd *abfd)
+{
+  if (options[OPT_MEMUSAGE].selected)
+    elf32_avr_dump_mem_usage (abfd);
+}
+
+const struct objdump_private_desc objdump_private_desc_elf32_avr =
+  {
+    elf32_avr_help,
+    elf32_avr_filter,
+    elf32_avr_dump,
+    options
+  };