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1999-09-04 Steve Chamberlain <sac@pobox.com> 

* cpu-pj.c: New file.
	* elf32-pj.c: New file.
	* config.bfd (pj*): New cpu.
	(pj-*-*, pjl-*-*): New targets.
	* configure.in (bfd_elf32_pj_vec): New target vector.
	(bfd_elf32_pjl_vec): New target vector.
 	* archures.c (bfd_arch_pj): Define.
	* elf.c (prep_headers): Handle bfd_arch_pj.
	* reloc.c: Define BFD_RELOC_PJ_* relocations.
	* targets.c (bfd_elf32_pj_vec, bfd_elf32_pjl_vec): Declare and add
	to target vector list.
	* Makefile.am: Rebuild dependencies.
	(ALL_MACHINES): Add cpu-pj.lo.
	(ALL_MACHINES_CFILES): Add cpu-pj.c.
	(BFD32_BACKENDS): Add elf32-pj.lo.
	(BFD32_BACKENDS_CFILES): Add elf32-pj.c.
	* configure, Makefile.in, bfd-in2.h, libbfd.h: Rebuild.
This commit is contained in:
Ian Lance Taylor 1999-09-04 17:07:46 +00:00
parent ef14edc44e
commit 0bcb993b9f
14 changed files with 536 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
bfd/ChangeLog
View File

@ -1,3 +1,23 @@
1999-09-04 Steve Chamberlain <sac@pobox.com>
* cpu-pj.c: New file.
* elf32-pj.c: New file.
* config.bfd (pj*): New cpu.
(pj-*-*, pjl-*-*): New targets.
* configure.in (bfd_elf32_pj_vec): New target vector.
(bfd_elf32_pjl_vec): New target vector.
* archures.c (bfd_arch_pj): Define.
* elf.c (prep_headers): Handle bfd_arch_pj.
* reloc.c: Define BFD_RELOC_PJ_* relocations.
* targets.c (bfd_elf32_pj_vec, bfd_elf32_pjl_vec): Declare and add
to target vector list.
* Makefile.am: Rebuild dependencies.
(ALL_MACHINES): Add cpu-pj.lo.
(ALL_MACHINES_CFILES): Add cpu-pj.c.
(BFD32_BACKENDS): Add elf32-pj.lo.
(BFD32_BACKENDS_CFILES): Add elf32-pj.c.
* configure, Makefile.in, bfd-in2.h, libbfd.h: Rebuild.
1999-09-04 Ian Lance Taylor <ian@zembu.com>
* elf-bfd.h (ELF_LINK_NON_GOT_REF): Define.

8
bfd/Makefile.am
View File

@ -58,6 +58,7 @@ ALL_MACHINES = \
cpu-mcore.lo \
cpu-mips.lo \
cpu-ns32k.lo \
cpu-pj.lo \
cpu-powerpc.lo \
cpu-rs6000.lo \
cpu-sh.lo \
@ -92,6 +93,7 @@ ALL_MACHINES_CFILES = \
cpu-mcore.c \
cpu-mips.c \
cpu-ns32k.c \
cpu-pj.c \
cpu-powerpc.c \
cpu-rs6000.c \
cpu-sh.c \
@ -168,6 +170,7 @@ BFD32_BACKENDS = \
elf-m10300.lo \
elf32-mcore.lo \
elf32-mips.lo \
elf32-pj.lo \
elf32-ppc.lo \
elf32-sh.lo \
elf32-sparc.lo \
@ -291,6 +294,7 @@ BFD32_BACKENDS_CFILES = \
elf-m10300.c \
elf32-mcore.c \
elf32-mips.c \
elf32-pj.c \
elf32-ppc.c \
elf32-sh.c \
elf32-sparc.c \
@ -693,6 +697,7 @@ cpu-m10300.lo: cpu-m10300.c
cpu-mcore.lo: cpu-mcore.c
cpu-mips.lo: cpu-mips.c
cpu-ns32k.lo: cpu-ns32k.c ns32k.h
cpu-pj.lo: cpu-pj.c
cpu-powerpc.lo: cpu-powerpc.c
cpu-rs6000.lo: cpu-rs6000.c
cpu-sh.lo: cpu-sh.c
@ -884,6 +889,9 @@ elf32-mips.lo: elf32-mips.c $(INCDIR)/bfdlink.h genlink.h \
$(INCDIR)/coff/sym.h $(INCDIR)/coff/symconst.h $(INCDIR)/coff/internal.h \
$(INCDIR)/coff/ecoff.h $(INCDIR)/coff/mips.h ecoffswap.h \
elf32-target.h
elf32-pj.lo: elf32-pj.c $(INCDIR)/bfdlink.h elf-bfd.h \
$(INCDIR)/elf/common.h $(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h \
$(INCDIR)/elf/pj.h $(INCDIR)/elf/reloc-macros.h elf32-target.h
elf32-ppc.lo: elf32-ppc.c $(INCDIR)/bfdlink.h elf-bfd.h \
$(INCDIR)/elf/common.h $(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h \
$(INCDIR)/elf/ppc.h $(INCDIR)/elf/reloc-macros.h elf32-target.h

8
bfd/Makefile.in
View File

@ -175,6 +175,7 @@ ALL_MACHINES = \
cpu-mcore.lo \
cpu-mips.lo \
cpu-ns32k.lo \
cpu-pj.lo \
cpu-powerpc.lo \
cpu-rs6000.lo \
cpu-sh.lo \
@ -210,6 +211,7 @@ ALL_MACHINES_CFILES = \
cpu-mcore.c \
cpu-mips.c \
cpu-ns32k.c \
cpu-pj.c \
cpu-powerpc.c \
cpu-rs6000.c \
cpu-sh.c \
@ -287,6 +289,7 @@ BFD32_BACKENDS = \
elf-m10300.lo \
elf32-mcore.lo \
elf32-mips.lo \
elf32-pj.lo \
elf32-ppc.lo \
elf32-sh.lo \
elf32-sparc.lo \
@ -411,6 +414,7 @@ BFD32_BACKENDS_CFILES = \
elf-m10300.c \
elf32-mcore.c \
elf32-mips.c \
elf32-pj.c \
elf32-ppc.c \
elf32-sh.c \
elf32-sparc.c \
@ -1223,6 +1227,7 @@ cpu-m10300.lo: cpu-m10300.c
cpu-mcore.lo: cpu-mcore.c
cpu-mips.lo: cpu-mips.c
cpu-ns32k.lo: cpu-ns32k.c ns32k.h
cpu-pj.lo: cpu-pj.c
cpu-powerpc.lo: cpu-powerpc.c
cpu-rs6000.lo: cpu-rs6000.c
cpu-sh.lo: cpu-sh.c
@ -1414,6 +1419,9 @@ elf32-mips.lo: elf32-mips.c $(INCDIR)/bfdlink.h genlink.h \
$(INCDIR)/coff/sym.h $(INCDIR)/coff/symconst.h $(INCDIR)/coff/internal.h \
$(INCDIR)/coff/ecoff.h $(INCDIR)/coff/mips.h ecoffswap.h \
elf32-target.h
elf32-pj.lo: elf32-pj.c $(INCDIR)/bfdlink.h elf-bfd.h \
$(INCDIR)/elf/common.h $(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h \
$(INCDIR)/elf/pj.h $(INCDIR)/elf/reloc-macros.h elf32-target.h
elf32-ppc.lo: elf32-ppc.c $(INCDIR)/bfdlink.h elf-bfd.h \
$(INCDIR)/elf/common.h $(INCDIR)/elf/internal.h $(INCDIR)/elf/external.h \
$(INCDIR)/elf/ppc.h $(INCDIR)/elf/reloc-macros.h elf32-target.h

2
bfd/archures.c
View File

@ -187,6 +187,7 @@ DESCRIPTION
. bfd_arch_fr30,
.#define bfd_mach_fr30 0x46523330
. bfd_arch_mcore,
. bfd_arch_pj,
. bfd_arch_last
. };
@ -245,6 +246,7 @@ extern const bfd_arch_info_type bfd_mn10200_arch;
extern const bfd_arch_info_type bfd_mn10300_arch;
extern const bfd_arch_info_type bfd_powerpc_arch;
extern const bfd_arch_info_type bfd_rs6000_arch;
extern const bfd_arch_info_type bfd_pj_arch;
extern const bfd_arch_info_type bfd_sh_arch;
extern const bfd_arch_info_type bfd_sparc_arch;
extern const bfd_arch_info_type bfd_tic30_arch;

9
bfd/bfd-in2.h
View File

@ -1350,6 +1350,7 @@ enum bfd_architecture
bfd_arch_fr30,
#define bfd_mach_fr30 0x46523330
bfd_arch_mcore,
bfd_arch_pj,
bfd_arch_last
};
@ -1885,6 +1886,14 @@ to compensate for the borrow when the low bits are added. */
BFD_RELOC_NS32K_DISP_16_PCREL,
BFD_RELOC_NS32K_DISP_32_PCREL,
/* Picojava relocs. Not all of these appear in object files. */
BFD_RELOC_PJ_CODE_HI16,
BFD_RELOC_PJ_CODE_LO16,
BFD_RELOC_PJ_CODE_DIR16,
BFD_RELOC_PJ_CODE_DIR32,
BFD_RELOC_PJ_CODE_REL16,
BFD_RELOC_PJ_CODE_REL32,
/* Power(rs6000) and PowerPC relocations. */
BFD_RELOC_PPC_B26,
BFD_RELOC_PPC_BA26,

11
bfd/config.bfd
View File

@ -38,6 +38,7 @@ i[3456]86) targ_archs=bfd_i386_arch ;;
m68*) targ_archs=bfd_m68k_arch ;;
m88*) targ_archs=bfd_m88k_arch ;;
mips*) targ_archs=bfd_mips_arch ;;
pj*) targ_archs="bfd_pj_arch bfd_i386_arch";;
powerpc*) targ_archs="bfd_rs6000_arch bfd_powerpc_arch" ;;
rs6000) targ_archs="bfd_rs6000_arch bfd_powerpc_arch" ;;
sparc*) targ_archs=bfd_sparc_arch ;;
@ -562,6 +563,16 @@ case "${targ}" in
targ_underscore=yes
;;
pj-*-*)
targ_defvec=bfd_elf32_pj_vec
targ_selvecs="bfd_elf32_pj_vec bfd_elf32_pjl_vec"
;;
pjl-*-*)
targ_defvec=bfd_elf32_pjl_vec
targ_selvecs="bfd_elf32_pjl_vec bfd_elf32_pj_vec bfd_elf32_i386_vec"
;;
powerpc-*-aix* | powerpc-*-beos*)
targ_defvec=rs6000coff_vec
;;

26
bfd/configure vendored
View File

@ -5413,6 +5413,8 @@ do
bfd_elf32_mcore_little_vec) tb="$tb elf32-mcore.lo elf32.lo $elf" ;;
bfd_elf32_mn10200_vec) tb="$tb elf-m10200.lo elf32.lo $elf" ;;
bfd_elf32_mn10300_vec) tb="$tb elf-m10300.lo elf32.lo $elf" ;;
bfd_elf32_pj_vec) tb="$tb elf32-pj.lo elf32.lo $elf";;
bfd_elf32_pjl_vec) tb="$tb elf32-pj.lo elf32.lo $elf";;
bfd_elf32_powerpc_vec) tb="$tb elf32-ppc.lo elf32.lo $elf" ;;
bfd_elf32_powerpcle_vec) tb="$tb elf32-ppc.lo elf32.lo $elf" ;;
bfd_elf32_sh_vec) tb="$tb elf32-sh.lo elf32.lo $elf coff-sh.lo" ;;
@ -5594,17 +5596,17 @@ for ac_hdr in unistd.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:5598: checking for $ac_hdr" >&5
echo "configure:5600: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 5603 "configure"
#line 5605 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:5608: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:5610: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
@ -5633,12 +5635,12 @@ done
for ac_func in getpagesize
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:5637: checking for $ac_func" >&5
echo "configure:5639: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 5642 "configure"
#line 5644 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
@ -5661,7 +5663,7 @@ $ac_func();
; return 0; }
EOF
if { (eval echo configure:5665: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:5667: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
@ -5686,7 +5688,7 @@ fi
done
echo $ac_n "checking for working mmap""... $ac_c" 1>&6
echo "configure:5690: checking for working mmap" >&5
echo "configure:5692: checking for working mmap" >&5
if eval "test \"`echo '$''{'ac_cv_func_mmap_fixed_mapped'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -5694,7 +5696,7 @@ else
ac_cv_func_mmap_fixed_mapped=no
else
cat > conftest.$ac_ext <<EOF
#line 5698 "configure"
#line 5700 "configure"
#include "confdefs.h"
/* Thanks to Mike Haertel and Jim Avera for this test.
@ -5834,7 +5836,7 @@ main()
}
EOF
if { (eval echo configure:5838: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
if { (eval echo configure:5840: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
ac_cv_func_mmap_fixed_mapped=yes
else
@ -5859,12 +5861,12 @@ fi
for ac_func in madvise mprotect
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:5863: checking for $ac_func" >&5
echo "configure:5865: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 5868 "configure"
#line 5870 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
@ -5887,7 +5889,7 @@ $ac_func();
; return 0; }
EOF
if { (eval echo configure:5891: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:5893: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else

2
bfd/configure.in
View File

@ -461,6 +461,8 @@ do
bfd_elf32_mcore_little_vec) tb="$tb elf32-mcore.lo elf32.lo $elf" ;;
bfd_elf32_mn10200_vec) tb="$tb elf-m10200.lo elf32.lo $elf" ;;
bfd_elf32_mn10300_vec) tb="$tb elf-m10300.lo elf32.lo $elf" ;;
bfd_elf32_pj_vec) tb="$tb elf32-pj.lo elf32.lo $elf";;
bfd_elf32_pjl_vec) tb="$tb elf32-pj.lo elf32.lo $elf";;
bfd_elf32_powerpc_vec) tb="$tb elf32-ppc.lo elf32.lo $elf" ;;
bfd_elf32_powerpcle_vec) tb="$tb elf32-ppc.lo elf32.lo $elf" ;;
bfd_elf32_sh_vec) tb="$tb elf32-sh.lo elf32.lo $elf coff-sh.lo" ;;

85
bfd/cpu-pj.c Normal file
View File

@ -0,0 +1,85 @@
/* BFD library support routines for the Pico Java architecture.
Copyright (C) 1999 Free Software Foundation, Inc.
Hacked by Steve Chamberlain of Transmeta. sac@pobox.com
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 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. */
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
static boolean
scan_mach (info, string)
const struct bfd_arch_info *info;
const char *string;
{
if (strcasecmp (info->printable_name, string) == 0)
return true;
return false;
}
#if 0
/* This routine is provided two arch_infos and returns whether
they'd be compatible */
static const bfd_arch_info_type *
compatible (a,b)
const bfd_arch_info_type *a;
const bfd_arch_info_type *b;
{
if (a->arch != b->arch || a->mach != b->mach)
return NULL;
return a;
}
#endif
static const bfd_arch_info_type arch_info_struct[] =
{
{
32, /* 32 bits in a word */
32, /* 32 bits in an address */
8, /* 8 bits in a byte */
bfd_arch_pj,
0,
"pj", /* arch_name */
"pj", /* printable name */
1,
false, /* not the default */
bfd_default_compatible,
scan_mach,
0,
},
};
const bfd_arch_info_type bfd_pj_arch =
{
32, /* 32 bits in a word */
32, /* 32 bits in an address */
8, /* 8 bits in a byte */
bfd_arch_pj,
0,
"pj", /* arch_name */
"pj", /* printable name */
1,
true, /* the default machine */
bfd_default_compatible,
scan_mach,
&arch_info_struct [0]
};

3
bfd/elf.c
View File

@ -3185,6 +3185,9 @@ prep_headers (abfd)
case bfd_arch_mn10300:
i_ehdrp->e_machine = EM_CYGNUS_MN10300;
break;
case bfd_arch_pj:
i_ehdrp->e_machine = EM_PJ;
break;
/* also note that EM_M32, AT&T WE32100 is unknown to bfd */
default:
i_ehdrp->e_machine = EM_NONE;

349
bfd/elf32-pj.c Normal file
View File

@ -0,0 +1,349 @@
/* picoJava specific support for 32-bit ELF
Copyright 1999 Free Software Foundation, Inc.
Contributed by Steve Chamberlan of Transmeta (sac@pobox.com).
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 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. */
#include "bfd.h"
#include "sysdep.h"
#include "bfdlink.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/pj.h"
static bfd_reloc_status_type pj_elf_reloc
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
static reloc_howto_type *pj_elf_reloc_type_lookup
PARAMS ((bfd *, bfd_reloc_code_real_type));
static void pj_elf_info_to_howto
PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
static reloc_howto_type pj_elf_howto_table[] =
{
/* No relocation. */
HOWTO (R_PJ_NONE, /* type */
0, /* rightshift */
0, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
pj_elf_reloc, /* special_function */
"R_PJ_NONE", /* name */
false, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
false), /* pcrel_offset */
/* 32 bit absolute relocation. Setting partial_inplace to true and
src_mask to a non-zero value is similar to the COFF toolchain. */
HOWTO (R_PJ_DATA_DIR32, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
pj_elf_reloc, /* special_function */
"R_PJ_DIR32", /* name */
true, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
false), /* pcrel_offset */
/* 32 bit PC relative relocation. */
HOWTO (R_PJ_CODE_REL32, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
pj_elf_reloc, /* special_function */
"R_PJ_REL32", /* name */
false, /* partial_inplace */
0, /* src_mask */
0xffffffff, /* dst_mask */
true), /* pcrel_offset */
/* 16 bit PC relative relocation. */
HOWTO (R_PJ_CODE_REL16, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overf6w */
pj_elf_reloc, /* special_function */
"R_PJ_REL16", /* name */
false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
true), /* pcrel_offset */
EMPTY_HOWTO (4),
EMPTY_HOWTO (5),
HOWTO (R_PJ_CODE_DIR32, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
pj_elf_reloc, /* special_function */
"R_PJ_CODE_DIR32", /* name */
true, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
false), /* pcrel_offset */
EMPTY_HOWTO (7),
EMPTY_HOWTO (8),
EMPTY_HOWTO (9),
EMPTY_HOWTO (10),
EMPTY_HOWTO (11),
EMPTY_HOWTO (12),
HOWTO (R_PJ_CODE_LO16, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
pj_elf_reloc, /* special_function */
"R_PJ_LO16", /* name */
false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
true), /* pcrel_offset */
HOWTO (R_PJ_CODE_HI16, /* type */
16, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
pj_elf_reloc, /* special_function */
"R_PJ_HI16", /* name */
false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
true), /* pcrel_offset */
/* GNU extension to record C++ vtable hierarchy */
HOWTO (R_PJ_GNU_VTINHERIT, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
NULL, /* special_function */
"R_PJ_GNU_VTINHERIT", /* name */
false, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
false), /* pcrel_offset */
/* GNU extension to record C++ vtable member usage */
HOWTO (R_PJ_GNU_VTENTRY, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
_bfd_elf_rel_vtable_reloc_fn, /* special_function */
"R_PJ_GNU_VTENTRY", /* name */
false, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
false), /* pcrel_offset */
};
/* This function is used for normal relocs. This is like the COFF
function, and is almost certainly incorrect for other ELF targets. */
static bfd_reloc_status_type
pj_elf_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd,
error_message)
bfd *abfd;
arelent *reloc_entry;
asymbol *symbol_in;
PTR data;
asection *input_section;
bfd *output_bfd;
char **error_message ATTRIBUTE_UNUSED;
{
unsigned long insn;
bfd_vma sym_value;
enum elf_pj_reloc_type r_type;
bfd_vma addr = reloc_entry->address;
bfd_byte *hit_data = addr + (bfd_byte *) data;
r_type = (enum elf_pj_reloc_type) reloc_entry->howto->type;
if (output_bfd != NULL)
{
/* Partial linking--do nothing. */
reloc_entry->address += input_section->output_offset;
return bfd_reloc_ok;
}
if (symbol_in != NULL
&& bfd_is_und_section (symbol_in->section))
return bfd_reloc_undefined;
if (bfd_is_com_section (symbol_in->section))
sym_value = 0;
else
sym_value = (symbol_in->value +
symbol_in->section->output_section->vma +
symbol_in->section->output_offset);
switch (r_type)
{
case R_PJ_DATA_DIR32:
insn = bfd_get_32 (abfd, hit_data);
insn += sym_value + reloc_entry->addend;
bfd_put_32 (abfd, insn, hit_data);
break;
/* Relocations in code are always bigendian, no matter what the
data endianness is. */
case R_PJ_CODE_DIR32:
insn = bfd_getb32 (hit_data);
insn += sym_value + reloc_entry->addend;
bfd_putb32 (insn, hit_data);
break;
case R_PJ_CODE_REL16:
insn = bfd_getb16 (hit_data);
insn += sym_value + reloc_entry->addend
- (input_section->output_section->vma
+ input_section->output_offset);
bfd_putb16 (insn, hit_data);
break;
case R_PJ_CODE_LO16:
insn = bfd_getb16 (hit_data);
insn += sym_value + reloc_entry->addend;
bfd_putb16 (insn, hit_data);
break;
case R_PJ_CODE_HI16:
insn = bfd_getb16 (hit_data);
insn += (sym_value + reloc_entry->addend) >> 16;
bfd_putb16 (insn, hit_data);
break;
default:
abort ();
break;
}
return bfd_reloc_ok;
}
/* This structure is used to map BFD reloc codes to PJ ELF relocs. */
struct elf_reloc_map
{
bfd_reloc_code_real_type bfd_reloc_val;
unsigned char elf_reloc_val;
};
/* An array mapping BFD reloc codes to PJ ELF relocs. */
static const struct elf_reloc_map pj_reloc_map[] =
{
{ BFD_RELOC_NONE, R_PJ_NONE },
{ BFD_RELOC_32, R_PJ_DATA_DIR32 },
{ BFD_RELOC_PJ_CODE_DIR16, R_PJ_CODE_DIR16 },
{ BFD_RELOC_PJ_CODE_DIR32, R_PJ_CODE_DIR32 },
{ BFD_RELOC_PJ_CODE_LO16, R_PJ_CODE_LO16 },
{ BFD_RELOC_PJ_CODE_HI16, R_PJ_CODE_HI16 },
{ BFD_RELOC_PJ_CODE_REL32, R_PJ_CODE_REL32 },
{ BFD_RELOC_PJ_CODE_REL16, R_PJ_CODE_REL16 },
{ BFD_RELOC_VTABLE_INHERIT, R_PJ_GNU_VTINHERIT },
{ BFD_RELOC_VTABLE_ENTRY, R_PJ_GNU_VTENTRY },
};
/* Given a BFD reloc code, return the howto structure for the
corresponding PJ ELf reloc. */
static reloc_howto_type *
pj_elf_reloc_type_lookup (abfd, code)
bfd *abfd ATTRIBUTE_UNUSED;
bfd_reloc_code_real_type code;
{
unsigned int i;
for (i = 0; i < sizeof (pj_reloc_map) / sizeof (struct elf_reloc_map); i++)
{
if (pj_reloc_map[i].bfd_reloc_val == code)
return &pj_elf_howto_table[(int) pj_reloc_map[i].elf_reloc_val];
}
return NULL;
}
/* Given an ELF reloc, fill in the howto field of a relent. */
static void
pj_elf_info_to_howto (abfd, cache_ptr, dst)
bfd *abfd ATTRIBUTE_UNUSED;
arelent *cache_ptr;
Elf_Internal_Rela *dst;
{
unsigned int r;
r = ELF32_R_TYPE (dst->r_info);
BFD_ASSERT (r < (unsigned int) R_PJ_max);
cache_ptr->howto = &pj_elf_howto_table[r];
}
/* Take this moment to fill in the special picoJava bits in the
e_flags field. */
static void
pj_elf_final_write_processing (abfd, linker)
bfd *abfd;
boolean linker ATTRIBUTE_UNUSED;
{
elf_elfheader (abfd)->e_flags |= EF_PICOJAVA_ARCH;
elf_elfheader (abfd)->e_flags |= EF_PICOJAVA_GNUCALLS;
}
#define TARGET_BIG_SYM bfd_elf32_pj_vec
#define TARGET_BIG_NAME "elf32-pj"
#define TARGET_LITTLE_SYM bfd_elf32_pjl_vec
#define TARGET_LITTLE_NAME "elf32-pjl"
#define ELF_ARCH bfd_arch_pj
#define ELF_MACHINE_CODE EM_PJ
#define ELF_MAXPAGESIZE 0x1000
#define bfd_elf32_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
#define bfd_elf32_bfd_reloc_type_lookup pj_elf_reloc_type_lookup
#define elf_backend_final_write_processing pj_elf_final_write_processing
#define elf_info_to_howto pj_elf_info_to_howto
#include "elf32-target.h"

6
bfd/libbfd.h
View File

@ -708,6 +708,12 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
"BFD_RELOC_NS32K_DISP_8_PCREL",
"BFD_RELOC_NS32K_DISP_16_PCREL",
"BFD_RELOC_NS32K_DISP_32_PCREL",
"BFD_RELOC_PJ_CODE_HI16",
"BFD_RELOC_PJ_CODE_LO16",
"BFD_RELOC_PJ_CODE_DIR16",
"BFD_RELOC_PJ_CODE_DIR32",
"BFD_RELOC_PJ_CODE_REL16",
"BFD_RELOC_PJ_CODE_REL32",
"BFD_RELOC_PPC_B26",
"BFD_RELOC_PPC_BA26",
"BFD_RELOC_PPC_TOC16",

15
bfd/reloc.c
View File

@ -2105,6 +2105,21 @@ ENUMX
ENUMDOC
ns32k relocations
ENUM
BFD_RELOC_PJ_CODE_HI16
ENUMX
BFD_RELOC_PJ_CODE_LO16
ENUMX
BFD_RELOC_PJ_CODE_DIR16
ENUMX
BFD_RELOC_PJ_CODE_DIR32
ENUMX
BFD_RELOC_PJ_CODE_REL16
ENUMX
BFD_RELOC_PJ_CODE_REL32
ENUMDOC
Picojava relocs. Not all of these appear in object files.
ENUM
BFD_RELOC_PPC_B26
ENUMX

4
bfd/targets.c
View File

@ -529,6 +529,8 @@ extern const bfd_target bfd_elf32_m68k_vec;
extern const bfd_target bfd_elf32_m88k_vec;
extern const bfd_target bfd_elf32_mn10200_vec;
extern const bfd_target bfd_elf32_mn10300_vec;
extern const bfd_target bfd_elf32_pj_vec;
extern const bfd_target bfd_elf32_pjl_vec;
extern const bfd_target bfd_elf32_powerpc_vec;
extern const bfd_target bfd_elf32_powerpcle_vec;
extern const bfd_target bfd_elf32_sh_vec;
@ -709,6 +711,8 @@ const bfd_target * const bfd_target_vector[] = {
&bfd_elf32_m68k_vec,
&bfd_elf32_m88k_vec,
&bfd_elf32_sparc_vec,
&bfd_elf32_pj_vec,
&bfd_elf32_pjl_vec,
&bfd_elf32_powerpc_vec,
&bfd_elf32_powerpcle_vec,
&bfd_elf32_v850_vec,