mirrors/binutils-gdb
0
0
Fork 0
mirror of https://sourceware.org/git/binutils-gdb.git synced 2024-11-27 12:03:41 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

* ihex.c (ihex_scan): Removed unnecessary extbase variable.

Browse Source 
(ihex_write_object_contents): Remove extbase; always use segbase
	instead.
This commit is contained in:
Ian Lance Taylor 1996-08-30 15:52:40 +00:00
parent 5132850605
commit 492cfc71b8
2 changed files with 47 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
bfd/ChangeLog
View File

@ -1,3 +1,9 @@
Fri Aug 30 11:49:19 1996 Ian Lance Taylor <ian@cygnus.com>
* ihex.c (ihex_scan): Removed unnecessary extbase variable.
(ihex_write_object_contents): Remove extbase; always use segbase
instead.
Thu Aug 29 16:52:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* configure.in (i[345]86-*-*): Recognize i686 for pentium pro.

69
bfd/ihex.c
View File

@ -104,6 +104,18 @@ Another document reports these additional types:
10..13 Upper 16 bits of start address
14..15 Checksum in hex notation
16..17 Carriage return, line feed
The MRI compiler uses this, which is a repeat of type 5:
EXTENDED START RECORD
Byte 1 Header = colon (:)
2..3 The byte count, must be "04"
4..7 Load address, must be "0000"
8..9 Record type, must be "05"
10..13 Upper 16 bits of start address
14..17 Lower 16 bits of start address
18..19 Checksum in hex notation
20..21 Carriage return, line feed
*/
#include "bfd.h"
@ -257,7 +269,6 @@ ihex_scan (abfd)
bfd *abfd;
{
bfd_vma segbase;
bfd_vma extbase;
asection *sec;
int lineno;
boolean error;
@ -270,7 +281,6 @@ ihex_scan (abfd)
abfd->start_address = 0;
extbase = 0;
segbase = 0;
sec = NULL;
lineno = 1;
@ -366,7 +376,7 @@ ihex_scan (abfd)
case 0:
/* This is a data record. */
if (sec != NULL
&& sec->vma + sec->_raw_size == extbase + segbase + addr)
&& sec->vma + sec->_raw_size == segbase + addr)
{
/* This data goes at the end of the section we are
currently building. */
@ -386,8 +396,8 @@ ihex_scan (abfd)
if (sec == NULL)
goto error_return;
sec->flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC;
sec->vma = extbase + segbase + addr;
sec->lma = extbase + segbase + addr;
sec->vma = segbase + addr;
sec->lma = segbase + addr;
sec->_raw_size = len;
sec->filepos = pos;
}
@ -454,7 +464,7 @@ ihex_scan (abfd)
case 5:
/* An extended linear start address record. */
if (len != 2)
if (len != 2 && len != 4)
{
(*_bfd_error_handler)
("%s:%d: bad extended linear start address length in Intel Hex file",
@ -463,7 +473,10 @@ ihex_scan (abfd)
goto error_return;
}
abfd->start_address += HEX4 (buf) << 16;
if (len == 2)
abfd->start_address += HEX4 (buf) << 16;
else
abfd->start_address = (HEX4 (buf) << 16) + HEX4 (buf + 4);
sec = NULL;
@ -778,11 +791,9 @@ static boolean
ihex_write_object_contents (abfd)
bfd *abfd;
{
bfd_vma extbase;
bfd_vma segbase;
struct ihex_data_list *l;
extbase = 0;
segbase = 0;
for (l = abfd->tdata.ihex_data->head; l != NULL; l = l->next)
{
@ -801,7 +812,7 @@ ihex_write_object_contents (abfd)
if (now > CHUNK)
now = CHUNK;
if (where > extbase + segbase + 0xffff)
if (where > segbase + 0xffff)
{
bfd_byte addr[2];
@ -816,8 +827,8 @@ ihex_write_object_contents (abfd)
}
else
{
extbase = where & 0xffff0000;
if (where > extbase + 0xffff)
segbase = where & 0xffff0000;
if (where > segbase + 0xffff)
{
char buf[20];
@ -828,15 +839,14 @@ ihex_write_object_contents (abfd)
bfd_set_error (bfd_error_bad_value);
return false;
}
addr[0] = (extbase >> 24) & 0xff;
addr[1] = (extbase >> 16) & 0xff;
addr[0] = (segbase >> 24) & 0xff;
addr[1] = (segbase >> 16) & 0xff;
if (! ihex_write_record (abfd, 2, 0, 4, addr))
return false;
}
}
if (! ihex_write_record (abfd, now, where - (extbase + segbase),
0, p))
if (! ihex_write_record (abfd, now, where - segbase, 0, p))
return false;
where += now;
@ -852,21 +862,24 @@ ihex_write_object_contents (abfd)
start = abfd->start_address;
if (start > 0xfffff)
if (start <= 0xfffff)
{
startbuf[0] = ((start & 0xf0000) >> 12) & 0xff;
startbuf[1] = 0;
startbuf[2] = (start >> 8) & 0xff;
startbuf[3] = start & 0xff;
if (! ihex_write_record (abfd, 4, 0, 3, startbuf))
return false;
}
else
{
startbuf[0] = (start >> 24) & 0xff;
startbuf[1] = (start >> 16) & 0xff;
if (! ihex_write_record (abfd, 2, 0, 5, startbuf))
startbuf[2] = (start >> 8) & 0xff;
startbuf[3] = start & 0xff;
if (! ihex_write_record (abfd, 4, 0, 5, startbuf))
return false;
start &= 0xffff;
}
startbuf[0] = ((start & 0xf0000) >> 12) & 0xff;
startbuf[1] = 0;
startbuf[2] = (start >> 8) & 0xff;
startbuf[3] = start & 0xff;
if (! ihex_write_record (abfd, 4, 0, 3, startbuf))
return false;
}
if (! ihex_write_record (abfd, 0, 0, 1, NULL))
@ -958,8 +971,8 @@ const bfd_target ihex_vec =
{
"ihex", /* name */
bfd_target_ihex_flavour,
true, /* target byte order */
true, /* target headers byte order */
BFD_ENDIAN_UNKNOWN, /* target byte order */
BFD_ENDIAN_UNKNOWN, /* target headers byte order */
0, /* object flags */
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD), /* section flags */
0, /* leading underscore */