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* ihex.c (ihex_scan): Removed unnecessary extbase variable.
(ihex_write_object_contents): Remove extbase; always use segbase instead.
This commit is contained in:
Ian Lance Taylor
parent
5132850605
commit
492cfc71b8
@ -1,3 +1,9 @@
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Fri Aug 30 11:49:19 1996 Ian Lance Taylor <ian@cygnus.com>
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* ihex.c (ihex_scan): Removed unnecessary extbase variable.
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(ihex_write_object_contents): Remove extbase; always use segbase
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instead.
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Thu Aug 29 16:52:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* configure.in (i[345]86-*-*): Recognize i686 for pentium pro.
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69
bfd/ihex.c
69
bfd/ihex.c
@ -104,6 +104,18 @@ Another document reports these additional types:
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10..13 Upper 16 bits of start address
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14..15 Checksum in hex notation
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16..17 Carriage return, line feed
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The MRI compiler uses this, which is a repeat of type 5:
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EXTENDED START RECORD
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Byte 1 Header = colon (:)
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2..3 The byte count, must be "04"
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4..7 Load address, must be "0000"
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8..9 Record type, must be "05"
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10..13 Upper 16 bits of start address
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14..17 Lower 16 bits of start address
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18..19 Checksum in hex notation
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20..21 Carriage return, line feed
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*/
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#include "bfd.h"
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@ -257,7 +269,6 @@ ihex_scan (abfd)
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bfd *abfd;
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{
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bfd_vma segbase;
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bfd_vma extbase;
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asection *sec;
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int lineno;
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boolean error;
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@ -270,7 +281,6 @@ ihex_scan (abfd)
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abfd->start_address = 0;
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extbase = 0;
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segbase = 0;
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sec = NULL;
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lineno = 1;
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@ -366,7 +376,7 @@ ihex_scan (abfd)
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case 0:
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/* This is a data record. */
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if (sec != NULL
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&& sec->vma + sec->_raw_size == extbase + segbase + addr)
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&& sec->vma + sec->_raw_size == segbase + addr)
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{
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/* This data goes at the end of the section we are
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currently building. */
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@ -386,8 +396,8 @@ ihex_scan (abfd)
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if (sec == NULL)
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goto error_return;
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sec->flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC;
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sec->vma = extbase + segbase + addr;
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sec->lma = extbase + segbase + addr;
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sec->vma = segbase + addr;
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sec->lma = segbase + addr;
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sec->_raw_size = len;
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sec->filepos = pos;
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}
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@ -454,7 +464,7 @@ ihex_scan (abfd)
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case 5:
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/* An extended linear start address record. */
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if (len != 2)
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if (len != 2 && len != 4)
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{
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(*_bfd_error_handler)
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("%s:%d: bad extended linear start address length in Intel Hex file",
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@ -463,7 +473,10 @@ ihex_scan (abfd)
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goto error_return;
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}
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abfd->start_address += HEX4 (buf) << 16;
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if (len == 2)
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abfd->start_address += HEX4 (buf) << 16;
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else
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abfd->start_address = (HEX4 (buf) << 16) + HEX4 (buf + 4);
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sec = NULL;
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@ -778,11 +791,9 @@ static boolean
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ihex_write_object_contents (abfd)
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bfd *abfd;
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{
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bfd_vma extbase;
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bfd_vma segbase;
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struct ihex_data_list *l;
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extbase = 0;
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segbase = 0;
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for (l = abfd->tdata.ihex_data->head; l != NULL; l = l->next)
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{
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@ -801,7 +812,7 @@ ihex_write_object_contents (abfd)
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if (now > CHUNK)
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now = CHUNK;
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if (where > extbase + segbase + 0xffff)
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if (where > segbase + 0xffff)
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{
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bfd_byte addr[2];
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@ -816,8 +827,8 @@ ihex_write_object_contents (abfd)
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}
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else
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{
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extbase = where & 0xffff0000;
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if (where > extbase + 0xffff)
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segbase = where & 0xffff0000;
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if (where > segbase + 0xffff)
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{
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char buf[20];
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@ -828,15 +839,14 @@ ihex_write_object_contents (abfd)
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bfd_set_error (bfd_error_bad_value);
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return false;
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}
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addr[0] = (extbase >> 24) & 0xff;
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addr[1] = (extbase >> 16) & 0xff;
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addr[0] = (segbase >> 24) & 0xff;
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addr[1] = (segbase >> 16) & 0xff;
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if (! ihex_write_record (abfd, 2, 0, 4, addr))
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return false;
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}
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}
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if (! ihex_write_record (abfd, now, where - (extbase + segbase),
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0, p))
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if (! ihex_write_record (abfd, now, where - segbase, 0, p))
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return false;
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where += now;
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@ -852,21 +862,24 @@ ihex_write_object_contents (abfd)
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start = abfd->start_address;
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if (start > 0xfffff)
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if (start <= 0xfffff)
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{
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startbuf[0] = ((start & 0xf0000) >> 12) & 0xff;
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startbuf[1] = 0;
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startbuf[2] = (start >> 8) & 0xff;
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startbuf[3] = start & 0xff;
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if (! ihex_write_record (abfd, 4, 0, 3, startbuf))
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return false;
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}
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else
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{
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startbuf[0] = (start >> 24) & 0xff;
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startbuf[1] = (start >> 16) & 0xff;
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if (! ihex_write_record (abfd, 2, 0, 5, startbuf))
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startbuf[2] = (start >> 8) & 0xff;
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startbuf[3] = start & 0xff;
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if (! ihex_write_record (abfd, 4, 0, 5, startbuf))
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return false;
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start &= 0xffff;
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}
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startbuf[0] = ((start & 0xf0000) >> 12) & 0xff;
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startbuf[1] = 0;
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startbuf[2] = (start >> 8) & 0xff;
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startbuf[3] = start & 0xff;
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if (! ihex_write_record (abfd, 4, 0, 3, startbuf))
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return false;
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}
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if (! ihex_write_record (abfd, 0, 0, 1, NULL))
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@ -958,8 +971,8 @@ const bfd_target ihex_vec =
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{
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"ihex", /* name */
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bfd_target_ihex_flavour,
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true, /* target byte order */
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true, /* target headers byte order */
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BFD_ENDIAN_UNKNOWN, /* target byte order */
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BFD_ENDIAN_UNKNOWN, /* target headers byte order */
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0, /* object flags */
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(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD), /* section flags */
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0, /* leading underscore */
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