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-rw-r--r--contrib/binutils/bfd/ihex.c45
1 files changed, 34 insertions, 11 deletions
diff --git a/contrib/binutils/bfd/ihex.c b/contrib/binutils/bfd/ihex.c
index c70cfe0..e4b098e 100644
--- a/contrib/binutils/bfd/ihex.c
+++ b/contrib/binutils/bfd/ihex.c
@@ -1,5 +1,5 @@
/* BFD back-end for Intel Hex objects.
- Copyright 1995, 1996, 1997 Free Software Foundation, Inc.
+ Copyright 1995, 1996, 1997, 1998 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.
@@ -270,6 +270,7 @@ ihex_scan (abfd)
bfd *abfd;
{
bfd_vma segbase;
+ bfd_vma extbase;
asection *sec;
int lineno;
boolean error;
@@ -283,6 +284,7 @@ ihex_scan (abfd)
abfd->start_address = 0;
segbase = 0;
+ extbase = 0;
sec = NULL;
lineno = 1;
error = false;
@@ -376,7 +378,7 @@ ihex_scan (abfd)
case 0:
/* This is a data record. */
if (sec != NULL
- && sec->vma + sec->_raw_size == segbase + addr)
+ && sec->vma + sec->_raw_size == extbase + segbase + addr)
{
/* This data goes at the end of the section we are
currently building. */
@@ -396,8 +398,8 @@ ihex_scan (abfd)
if (sec == NULL)
goto error_return;
sec->flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC;
- sec->vma = segbase + addr;
- sec->lma = segbase + addr;
+ sec->vma = extbase + segbase + addr;
+ sec->lma = extbase + segbase + addr;
sec->_raw_size = len;
sec->filepos = pos;
}
@@ -456,7 +458,7 @@ ihex_scan (abfd)
goto error_return;
}
- segbase = HEX4 (buf) << 16;
+ extbase = HEX4 (buf) << 16;
sec = NULL;
@@ -791,9 +793,11 @@ ihex_write_object_contents (abfd)
bfd *abfd;
{
bfd_vma segbase;
+ bfd_vma extbase;
struct ihex_data_list *l;
segbase = 0;
+ extbase = 0;
for (l = abfd->tdata.ihex_data->head; l != NULL; l = l->next)
{
bfd_vma where;
@@ -811,13 +815,16 @@ ihex_write_object_contents (abfd)
if (now > CHUNK)
now = CHUNK;
- if (where > segbase + 0xffff)
+ if (where > segbase + extbase + 0xffff)
{
bfd_byte addr[2];
/* We need a new base address. */
if (where <= 0xfffff)
{
+ /* The addresses should be sorted. */
+ BFD_ASSERT (extbase == 0);
+
segbase = where & 0xf0000;
addr[0] = (bfd_byte)(segbase >> 12) & 0xff;
addr[1] = (bfd_byte)(segbase >> 4) & 0xff;
@@ -826,8 +833,23 @@ ihex_write_object_contents (abfd)
}
else
{
- segbase = where & 0xffff0000;
- if (where > segbase + 0xffff)
+ /* The extended address record and the extended
+ linear address record are combined, at least by
+ some readers. We need an extended linear address
+ record here, so if we've already written out an
+ extended address record, zero it out to avoid
+ confusion. */
+ if (segbase != 0)
+ {
+ addr[0] = 0;
+ addr[1] = 0;
+ if (! ihex_write_record (abfd, 2, 0, 2, addr))
+ return false;
+ segbase = 0;
+ }
+
+ extbase = where & 0xffff0000;
+ if (where > extbase + 0xffff)
{
char buf[20];
@@ -838,14 +860,15 @@ ihex_write_object_contents (abfd)
bfd_set_error (bfd_error_bad_value);
return false;
}
- addr[0] = (bfd_byte)(segbase >> 24) & 0xff;
- addr[1] = (bfd_byte)(segbase >> 16) & 0xff;
+ addr[0] = (bfd_byte)(extbase >> 24) & 0xff;
+ addr[1] = (bfd_byte)(extbase >> 16) & 0xff;
if (! ihex_write_record (abfd, 2, 0, 4, addr))
return false;
}
}
- if (! ihex_write_record (abfd, now, where - segbase, 0, p))
+ if (! ihex_write_record (abfd, now, where - (extbase + segbase),
+ 0, p))
return false;
where += now;
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