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Fix test for records crossing a 64K boundary

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This commit is contained in:
Nick Clifton
2002-04-16 10:18:14 +00:00
parent ea91f8bb52
commit 3d8dbe36e2
2 changed files with 23 additions and 21 deletions
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39
bfd/ihex.c
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@ -3,21 +3,21 @@
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:
@ -147,12 +147,12 @@ 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. */
@ -288,6 +288,7 @@ ihex_scan (abfd)
lineno = 1;
error = false;
bufsize = 0;
while ((c = ihex_get_byte (abfd, &error)) != EOF)
{
if (c == '\r')
@ -314,11 +315,9 @@ ihex_scan (abfd)
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;
@ -336,7 +335,6 @@ ihex_scan (abfd)
type = HEX2 (hdr + 6);
/* Read the data bytes. */
chars = len * 2 + 2;
if (chars >= bufsize)
{
@ -553,7 +551,6 @@ ihex_object_p (abfd)
}
/* OK, it looks like it really is an Intel Hex file. */
if (! ihex_mkobject (abfd)
|| ! ihex_scan (abfd))
return NULL;
@ -875,8 +872,8 @@ ihex_write_object_contents (abfd)
rec_addr = where - (extbase + segbase);
/* Output records shouldn't cross 64K boundaries. */
if (rec_addr + now > 0xfffff)
now = 0xffff - rec_addr;
if (rec_addr + now > 0xffff)
now = 0x10000 - rec_addr;
if (! ihex_write_record (abfd, now, rec_addr, 0, p))
return false;