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* elf32-v850.c: Add comments about assumptions about

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char, short & long sizes.
        (elf32_v850_bfd_final_link_relocate): Fix sign extension
        problems for several relocs.
Still fixing sda/tda/zda stuff.
This commit is contained in:
Jeff Law
1996-10-23 21:10:55 +00:00
parent 84be2a8fa2
commit 90ffe48b18
2 changed files with 28 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
bfd/ChangeLog
View File

@ -1,3 +1,14 @@
start-sanitize-v850
Wed Oct 23 00:53:16 1996 Jeffrey A Law (law@cygnus.com)
* elf32-v850.c: Add comments about assumptions about
char, short & long sizes.
(elf32_v850_bfd_final_link_relocate): Fix sign extension
problems for several relocs.
* elf32-v850.c (elf32_v850_howto_table): Fix typo in
R_V850_SDA_OFFSET entry.
Wed Oct 23 00:20:34 1996 Ian Lance Taylor <ian@cygnus.com> Wed Oct 23 00:20:34 1996 Ian Lance Taylor <ian@cygnus.com>
* xcofflink.c (bfd_xcoff_import_symbol): Don't allocate ldsym. * xcofflink.c (bfd_xcoff_import_symbol): Don't allocate ldsym.
@ -9,10 +20,10 @@ start-sanitize-v850
Tue Oct 22 19:20:38 1996 Jeffrey A Law (law@cygnus.com) Tue Oct 22 19:20:38 1996 Jeffrey A Law (law@cygnus.com)
* elf32-v850.c (elf_v850_howto_table): Fix ordering of * elf32-v850.c (elf_v850_howto_table): Fix ordering of
R_V850_ZDAOFFSET and R_V850_TDAOFFSET. Fix various R_V850_ZDA_OFFSET and R_V850_TDA_OFFSET. Fix various
fields in R_V850_TDAOFFSET. fields in R_V850_TDA_OFFSET.
(elf32_v850_bfd_final_link_relocate): Tweak pc-relative (elf32_v850_bfd_final_link_relocate): Tweak pc-relative
relocs to work more like other relocs. Handle R_V850_TDAOFF relocs to work more like other relocs. Handle R_V850_TDA_OFFSET
relocations. relocations.
* elf32-v850.c: Include bfdlink.h. * elf32-v850.c: Include bfdlink.h.

22
bfd/elf32-v850.c
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@ -17,6 +17,12 @@ You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* XXX FIXME: This code is littered with 32bit int, 16bit short, 8bit char
dependencies. As is the gas & simulator code or the v850. */
#include "bfd.h" #include "bfd.h"
#include "sysdep.h" #include "sysdep.h"
#include "bfdlink.h" #include "bfdlink.h"
@ -193,7 +199,7 @@ static reloc_howto_type elf_v850_howto_table[] =
/* Offset from the short data area pointer. */ /* Offset from the short data area pointer. */
HOWTO (R_V850_SDA_OFFSET, /* type */ HOWTO (R_V850_SDA_OFFSET, /* type */
0, /* rightshift */ 0, /* rightshift */
0, /* size (0 = byte, 1 = short, 2 = long) */ 1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */ 16, /* bitsize */
false, /* pc_relative */ false, /* pc_relative */
0, /* bitpos */ 0, /* bitpos */
@ -481,7 +487,7 @@ elf32_v850_bfd_final_link_relocate (howto, input_bfd, output_bfd,
return bfd_reloc_ok; return bfd_reloc_ok;
case R_V850_HI16_S: case R_V850_HI16_S:
value += bfd_get_16 (input_bfd, hit_data); value += (short)bfd_get_16 (input_bfd, hit_data);
value = (value >> 16) + ((value & 0x8000) != 0); value = (value >> 16) + ((value & 0x8000) != 0);
if ((long)value > 0x7fff || (long)value < -0x8000) if ((long)value > 0x7fff || (long)value < -0x8000)
@ -491,7 +497,7 @@ elf32_v850_bfd_final_link_relocate (howto, input_bfd, output_bfd,
return bfd_reloc_ok; return bfd_reloc_ok;
case R_V850_HI16: case R_V850_HI16:
value += bfd_get_16 (input_bfd, hit_data); value += (short)bfd_get_16 (input_bfd, hit_data);
value >>= 16; value >>= 16;
if ((long)value > 0x7fff || (long)value < -0x8000) if ((long)value > 0x7fff || (long)value < -0x8000)
@ -501,7 +507,7 @@ elf32_v850_bfd_final_link_relocate (howto, input_bfd, output_bfd,
return bfd_reloc_ok; return bfd_reloc_ok;
case R_V850_LO16: case R_V850_LO16:
value += bfd_get_16 (input_bfd, hit_data); value += (short)bfd_get_16 (input_bfd, hit_data);
value &= 0xffff; value &= 0xffff;
bfd_put_16 (input_bfd, value, hit_data); bfd_put_16 (input_bfd, value, hit_data);
@ -509,7 +515,7 @@ elf32_v850_bfd_final_link_relocate (howto, input_bfd, output_bfd,
case R_V850_16: case R_V850_16:
case R_V850_ZDA_OFFSET: case R_V850_ZDA_OFFSET:
value += bfd_get_16 (input_bfd, hit_data); value += (short)bfd_get_16 (input_bfd, hit_data);
if ((long)value > 0x7fff || (long)value < -0x8000) if ((long)value > 0x7fff || (long)value < -0x8000)
return bfd_reloc_overflow; return bfd_reloc_overflow;
@ -523,7 +529,7 @@ elf32_v850_bfd_final_link_relocate (howto, input_bfd, output_bfd,
return bfd_reloc_ok; return bfd_reloc_ok;
case R_V850_8: case R_V850_8:
value += bfd_get_8 (input_bfd, hit_data); value += (char)bfd_get_8 (input_bfd, hit_data);
if ((long)value > 0x7f || (long)value < -0x80) if ((long)value > 0x7f || (long)value < -0x80)
return bfd_reloc_overflow; return bfd_reloc_overflow;
@ -536,7 +542,7 @@ elf32_v850_bfd_final_link_relocate (howto, input_bfd, output_bfd,
unsigned long gp; unsigned long gp;
struct bfd_link_hash_entry *h; struct bfd_link_hash_entry *h;
value += bfd_get_16 (input_bfd, hit_data); value += (short)bfd_get_16 (input_bfd, hit_data);
/* Get the value of __gp. */ /* Get the value of __gp. */
h = bfd_link_hash_lookup (info->hash, "__gp", false, h = bfd_link_hash_lookup (info->hash, "__gp", false,
@ -629,7 +635,7 @@ elf32_v850_bfd_final_link_relocate (howto, input_bfd, output_bfd,
/* Guess (XXX) that it's a movea instruction or something /* Guess (XXX) that it's a movea instruction or something
similar. */ similar. */
value += insn; value += (short)insn;
if ((long)value > 0x7fff || (long)value < -0x8000) if ((long)value > 0x7fff || (long)value < -0x8000)
return bfd_reloc_overflow; return bfd_reloc_overflow;