/* BFD back-end for Intel Hex objects.
- Copyright 1995, 1996, 1998, 1999, 2000, 2001
+ Copyright 1995, 1996, 1998, 1999, 2000, 2001, 2002
Free Software Foundation, Inc.
Written by Ian Lance Taylor of Cygnus Support <ian@cygnus.com>.
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-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 2 of the License, or
-(at your option) any later version.
+ 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 2 of the License, 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.
+ 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, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* This is what Intel Hex files look like:
static boolean ihex_write_record
PARAMS ((bfd *, size_t, unsigned int, unsigned int, bfd_byte *));
static boolean ihex_write_object_contents PARAMS ((bfd *));
-static asymbol *ihex_make_empty_symbol PARAMS ((bfd *));
static boolean ihex_set_arch_mach
PARAMS ((bfd *, enum bfd_architecture, unsigned long));
static int ihex_sizeof_headers PARAMS ((bfd *, boolean));
#define CHUNK 16
-/* Macros for converting between hex and binary. */
+/* Macros for converting between hex and binary. */
-#define NIBBLE(x) (hex_value (x))
+#define NIBBLE(x) (hex_value (x))
#define HEX2(buffer) ((NIBBLE ((buffer)[0]) << 4) + NIBBLE ((buffer)[1]))
#define HEX4(buffer) ((HEX2 (buffer) << 8) + HEX2 ((buffer) + 2))
-#define ISHEX(x) (hex_p (x))
+#define ISHEX(x) (hex_p (x))
/* When we write out an ihex value, the values can not be output as
they are seen. Instead, we hold them in memory in this structure. */
ihex_mkobject (abfd)
bfd *abfd;
{
- if (abfd->tdata.ihex_data == NULL)
- {
- struct ihex_data_struct *tdata;
- bfd_size_type amt = sizeof (struct ihex_data_struct);
+ struct ihex_data_struct *tdata;
+ bfd_size_type amt = sizeof (struct ihex_data_struct);
- tdata = (struct ihex_data_struct *) bfd_alloc (abfd, amt);
- if (tdata == NULL)
- return false;
- abfd->tdata.ihex_data = tdata;
- tdata->head = NULL;
- tdata->tail = NULL;
- }
+ tdata = (struct ihex_data_struct *) bfd_alloc (abfd, amt);
+ if (tdata == NULL)
+ return false;
+ abfd->tdata.ihex_data = tdata;
+ tdata->head = NULL;
+ tdata->tail = NULL;
return true;
}
lineno = 1;
error = false;
bufsize = 0;
+
while ((c = ihex_get_byte (abfd, &error)) != EOF)
{
if (c == '\r')
unsigned int chksum;
/* This is a data record. */
-
pos = bfd_tell (abfd) - 1;
/* Read the header bytes. */
-
if (bfd_bread (hdr, (bfd_size_type) 8, abfd) != 8)
goto error_return;
type = HEX2 (hdr + 6);
/* Read the data bytes. */
-
chars = len * 2 + 2;
if (chars >= bufsize)
{
ihex_object_p (abfd)
bfd *abfd;
{
+ PTR tdata_save;
bfd_byte b[9];
unsigned int i;
unsigned int type;
}
/* OK, it looks like it really is an Intel Hex file. */
-
- if (! ihex_mkobject (abfd)
- || ! ihex_scan (abfd))
- return NULL;
+ tdata_save = abfd->tdata.any;
+ if (! ihex_mkobject (abfd) || ! ihex_scan (abfd))
+ {
+ if (abfd->tdata.any != tdata_save && abfd->tdata.any != NULL)
+ bfd_release (abfd, abfd->tdata.any);
+ abfd->tdata.any = tdata_save;
+ return NULL;
+ }
return abfd->xvec;
}
sprintf_vma (buf, where);
(*_bfd_error_handler)
- (_("%s: address 0x%s out of range for Intex Hex file"),
+ (_("%s: address 0x%s out of range for Intel Hex file"),
bfd_get_filename (abfd), buf);
bfd_set_error (bfd_error_bad_value);
return false;
}
rec_addr = where - (extbase + segbase);
+
+ /* Output records shouldn't cross 64K boundaries. */
+ if (rec_addr + now > 0xffff)
+ now = 0x10000 - rec_addr;
+
if (! ihex_write_record (abfd, now, rec_addr, 0, p))
return false;
return true;
}
-/* Make an empty symbol. This is required only because
- bfd_make_section_anyway wants to create a symbol for the section. */
-
-static asymbol *
-ihex_make_empty_symbol (abfd)
- bfd *abfd;
-{
- asymbol *new;
-
- new = (asymbol *) bfd_zalloc (abfd, (bfd_size_type) sizeof (asymbol));
- if (new != NULL)
- new->the_bfd = abfd;
- return new;
-}
-
/* Set the architecture for the output file. The architecture is
irrelevant, so we ignore errors about unknown architectures. */
#define ihex_get_symtab_upper_bound bfd_0l
#define ihex_get_symtab \
((long (*) PARAMS ((bfd *, asymbol **))) bfd_0l)
+#define ihex_make_empty_symbol _bfd_generic_make_empty_symbol
#define ihex_print_symbol _bfd_nosymbols_print_symbol
#define ihex_get_symbol_info _bfd_nosymbols_get_symbol_info
#define ihex_bfd_is_local_label_name _bfd_nosymbols_bfd_is_local_label_name
#define ihex_bfd_relax_section bfd_generic_relax_section
#define ihex_bfd_gc_sections bfd_generic_gc_sections
#define ihex_bfd_merge_sections bfd_generic_merge_sections
+#define ihex_bfd_discard_group bfd_generic_discard_group
#define ihex_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
+#define ihex_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
#define ihex_bfd_link_add_symbols _bfd_generic_link_add_symbols
+#define ihex_bfd_link_just_syms _bfd_generic_link_just_syms
#define ihex_bfd_final_link _bfd_generic_final_link
#define ihex_bfd_link_split_section _bfd_generic_link_split_section