/* BFD back-end for ns32k a.out-ish binaries.
- Copyright 1990, 1991, 1992, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
- 2002, 2003, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1990-2023 Free Software Foundation, Inc.
Contributed by Ian Dall (idall@eleceng.adelaide.edu.au).
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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+#include "sysdep.h"
#include "bfd.h"
+#include "libbfd.h"
#include "aout/aout64.h"
#include "ns32k.h"
/* Do not "beautify" the CONCAT* macro args. Traditional C will not
remove whitespace added here, and thus will fail to concatenate
the tokens. */
-#define MYNS(OP) CONCAT2 (ns32kaout_,OP)
+#define MYNS(OP) CONCAT2 (ns32k_aout_,OP)
-reloc_howto_type * MYNS (bfd_reloc_type_lookup) (bfd * abfd, bfd_reloc_code_real_type);
-bfd_boolean MYNS (write_object_contents) (bfd *abfd);
+reloc_howto_type * MYNS (bfd_reloc_type_lookup) (bfd *, bfd_reloc_code_real_type);
+reloc_howto_type * MYNS (bfd_reloc_name_lookup) (bfd *, const char *);
+bool MYNS (write_object_contents) (bfd *);
/* Avoid multiple definitions from aoutx if supporting
standard a.out format(s) as well as this one. */
sym1: .long foo # 2's complement not pc relative
self: movd @self, r0 # pc relative displacement
- movd foo, r0 # non pc relative displacement
+ movd foo, r0 # non pc relative displacement
self: movd self, r0 # pc relative immediate
- movd foo, r0 # non pc relative immediate
+ movd foo, r0 # non pc relative immediate
In addition, for historical reasons the encoding of the relocation types
in the a.out format relocation entries is such that even the relocation
reloc_howto_type MY (howto_table)[] =
{
/* ns32k immediate operands. */
- HOWTO (BFD_RELOC_NS32K_IMM_8, 0, 0, 8, FALSE, 0, complain_overflow_signed,
+ HOWTO (BFD_RELOC_NS32K_IMM_8, 0, 1, 8, false, 0, complain_overflow_signed,
_bfd_ns32k_reloc_imm, "NS32K_IMM_8",
- TRUE, 0x000000ff,0x000000ff, FALSE),
- HOWTO (BFD_RELOC_NS32K_IMM_16, 0, 1, 16, FALSE, 0, complain_overflow_signed,
+ true, 0x000000ff,0x000000ff, false),
+ HOWTO (BFD_RELOC_NS32K_IMM_16, 0, 2, 16, false, 0, complain_overflow_signed,
_bfd_ns32k_reloc_imm, "NS32K_IMM_16",
- TRUE, 0x0000ffff,0x0000ffff, FALSE),
- HOWTO (BFD_RELOC_NS32K_IMM_32, 0, 2, 32, FALSE, 0, complain_overflow_signed,
+ true, 0x0000ffff,0x0000ffff, false),
+ HOWTO (BFD_RELOC_NS32K_IMM_32, 0, 4, 32, false, 0, complain_overflow_signed,
_bfd_ns32k_reloc_imm, "NS32K_IMM_32",
- TRUE, 0xffffffff,0xffffffff, FALSE),
- HOWTO (BFD_RELOC_NS32K_IMM_8_PCREL, 0, 0, 8, TRUE, 0, complain_overflow_signed,
+ true, 0xffffffff,0xffffffff, false),
+ HOWTO (BFD_RELOC_NS32K_IMM_8_PCREL, 0, 1, 8, true, 0, complain_overflow_signed,
_bfd_ns32k_reloc_imm, "PCREL_NS32K_IMM_8",
- TRUE, 0x000000ff, 0x000000ff, FALSE),
- HOWTO (BFD_RELOC_NS32K_IMM_16_PCREL, 0, 1, 16, TRUE, 0, complain_overflow_signed,
+ true, 0x000000ff, 0x000000ff, false),
+ HOWTO (BFD_RELOC_NS32K_IMM_16_PCREL, 0, 2, 16, true, 0, complain_overflow_signed,
_bfd_ns32k_reloc_imm, "PCREL_NS32K_IMM_16",
- TRUE, 0x0000ffff,0x0000ffff, FALSE),
- HOWTO (BFD_RELOC_NS32K_IMM_32_PCREL, 0, 2, 32, TRUE, 0, complain_overflow_signed,
+ true, 0x0000ffff,0x0000ffff, false),
+ HOWTO (BFD_RELOC_NS32K_IMM_32_PCREL, 0, 4, 32, true, 0, complain_overflow_signed,
_bfd_ns32k_reloc_imm, "PCREL_NS32K_IMM_32",
- TRUE, 0xffffffff,0xffffffff, FALSE),
+ true, 0xffffffff,0xffffffff, false),
/* ns32k displacements. */
- HOWTO (BFD_RELOC_NS32K_DISP_8, 0, 0, 7, FALSE, 0, complain_overflow_signed,
+ HOWTO (BFD_RELOC_NS32K_DISP_8, 0, 1, 7, false, 0, complain_overflow_signed,
_bfd_ns32k_reloc_disp, "NS32K_DISP_8",
- TRUE, 0x000000ff,0x000000ff, FALSE),
- HOWTO (BFD_RELOC_NS32K_DISP_16, 0, 1, 14, FALSE, 0, complain_overflow_signed,
+ true, 0x000000ff,0x000000ff, false),
+ HOWTO (BFD_RELOC_NS32K_DISP_16, 0, 2, 14, false, 0, complain_overflow_signed,
_bfd_ns32k_reloc_disp, "NS32K_DISP_16",
- TRUE, 0x0000ffff, 0x0000ffff, FALSE),
- HOWTO (BFD_RELOC_NS32K_DISP_32, 0, 2, 30, FALSE, 0, complain_overflow_signed,
+ true, 0x0000ffff, 0x0000ffff, false),
+ HOWTO (BFD_RELOC_NS32K_DISP_32, 0, 4, 30, false, 0, complain_overflow_signed,
_bfd_ns32k_reloc_disp, "NS32K_DISP_32",
- TRUE, 0xffffffff, 0xffffffff, FALSE),
- HOWTO (BFD_RELOC_NS32K_DISP_8_PCREL, 0, 0, 7, TRUE, 0, complain_overflow_signed,
+ true, 0xffffffff, 0xffffffff, false),
+ HOWTO (BFD_RELOC_NS32K_DISP_8_PCREL, 0, 1, 7, true, 0, complain_overflow_signed,
_bfd_ns32k_reloc_disp, "PCREL_NS32K_DISP_8",
- TRUE, 0x000000ff,0x000000ff, FALSE),
- HOWTO (BFD_RELOC_NS32K_DISP_16_PCREL, 0, 1, 14, TRUE, 0, complain_overflow_signed,
+ true, 0x000000ff,0x000000ff, false),
+ HOWTO (BFD_RELOC_NS32K_DISP_16_PCREL, 0, 2, 14, true, 0, complain_overflow_signed,
_bfd_ns32k_reloc_disp, "PCREL_NS32K_DISP_16",
- TRUE, 0x0000ffff,0x0000ffff, FALSE),
- HOWTO (BFD_RELOC_NS32K_DISP_32_PCREL, 0, 2, 30, TRUE, 0, complain_overflow_signed,
+ true, 0x0000ffff,0x0000ffff, false),
+ HOWTO (BFD_RELOC_NS32K_DISP_32_PCREL, 0, 4, 30, true, 0, complain_overflow_signed,
_bfd_ns32k_reloc_disp, "PCREL_NS32K_DISP_32",
- TRUE, 0xffffffff,0xffffffff, FALSE),
+ true, 0xffffffff,0xffffffff, false),
/* Normal 2's complement. */
- HOWTO (BFD_RELOC_8, 0, 0, 8, FALSE, 0, complain_overflow_bitfield,0,
- "8", TRUE, 0x000000ff,0x000000ff, FALSE),
- HOWTO (BFD_RELOC_16, 0, 1, 16, FALSE, 0, complain_overflow_bitfield,0,
- "16", TRUE, 0x0000ffff,0x0000ffff, FALSE),
- HOWTO (BFD_RELOC_32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,0,
- "32", TRUE, 0xffffffff,0xffffffff, FALSE),
- HOWTO (BFD_RELOC_8_PCREL, 0, 0, 8, TRUE, 0, complain_overflow_signed, 0,
- "PCREL_8", TRUE, 0x000000ff,0x000000ff, FALSE),
- HOWTO (BFD_RELOC_16_PCREL, 0, 1, 16, TRUE, 0, complain_overflow_signed, 0,
- "PCREL_16", TRUE, 0x0000ffff,0x0000ffff, FALSE),
- HOWTO (BFD_RELOC_32_PCREL, 0, 2, 32, TRUE, 0, complain_overflow_signed, 0,
- "PCREL_32", TRUE, 0xffffffff,0xffffffff, FALSE),
+ HOWTO (BFD_RELOC_8, 0, 1, 8, false, 0, complain_overflow_bitfield,0,
+ "8", true, 0x000000ff,0x000000ff, false),
+ HOWTO (BFD_RELOC_16, 0, 2, 16, false, 0, complain_overflow_bitfield,0,
+ "16", true, 0x0000ffff,0x0000ffff, false),
+ HOWTO (BFD_RELOC_32, 0, 4, 32, false, 0, complain_overflow_bitfield,0,
+ "32", true, 0xffffffff,0xffffffff, false),
+ HOWTO (BFD_RELOC_8_PCREL, 0, 1, 8, true, 0, complain_overflow_signed, 0,
+ "PCREL_8", true, 0x000000ff,0x000000ff, false),
+ HOWTO (BFD_RELOC_16_PCREL, 0, 2, 16, true, 0, complain_overflow_signed, 0,
+ "PCREL_16", true, 0x0000ffff,0x0000ffff, false),
+ HOWTO (BFD_RELOC_32_PCREL, 0, 4, 32, true, 0, complain_overflow_signed, 0,
+ "PCREL_32", true, 0xffffffff,0xffffffff, false),
};
#define CTOR_TABLE_RELOC_HOWTO(BFD) (MY (howto_table) + 14)
-#define RELOC_STD_BITS_NS32K_TYPE_BIG 0x06
-#define RELOC_STD_BITS_NS32K_TYPE_LITTLE 0x60
-#define RELOC_STD_BITS_NS32K_TYPE_SH_BIG 1
-#define RELOC_STD_BITS_NS32K_TYPE_SH_LITTLE 5
+#define RELOC_STD_BITS_NS32K_TYPE_BIG 0x06
+#define RELOC_STD_BITS_NS32K_TYPE_LITTLE 0x60
+#define RELOC_STD_BITS_NS32K_TYPE_SH_BIG 1
+#define RELOC_STD_BITS_NS32K_TYPE_SH_LITTLE 5
static reloc_howto_type *
MY (reloc_howto) (bfd *abfd ATTRIBUTE_UNUSED,
struct reloc_std_external *rel,
- int *r_index,
+ unsigned int *r_index,
int *r_extern,
int *r_pcrel)
{
unsigned int r_length;
- int r_ns32k_type;
+ unsigned int r_ns32k_type;
*r_index = ((rel->r_index[2] << 16)
| (rel->r_index[1] << 8)
>> RELOC_STD_BITS_LENGTH_SH_LITTLE);
r_ns32k_type = ((rel->r_type[0] & RELOC_STD_BITS_NS32K_TYPE_LITTLE)
>> RELOC_STD_BITS_NS32K_TYPE_SH_LITTLE);
+ if (r_length > 2 || r_ns32k_type > 2)
+ return NULL;
return (MY (howto_table) + r_length + 3 * (*r_pcrel) + 6 * r_ns32k_type);
}
int r_ns32k_type;
PUT_WORD (abfd, value, reloc->r_address);
- r_length = howto->size ; /* Size as a power of two. */
+ r_length = bfd_log2 (bfd_get_reloc_size (howto));
r_pcrel = (int) howto->pc_relative; /* Relative to PC? */
r_ns32k_type = (howto - MY (howto_table) )/6;
BFD_ASSERT (ext == 0);
if (code == BFD_RELOC_CTOR)
- switch (bfd_get_arch_info (abfd)->bits_per_address)
+ switch (bfd_arch_bits_per_address (abfd))
{
case 32:
code = BFD_RELOC_32;
#undef ENTRY
}
+reloc_howto_type *
+MY (bfd_reloc_name_lookup) (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < sizeof (MY (howto_table)) / sizeof (MY (howto_table)[0]);
+ i++)
+ if (MY (howto_table)[i].name != NULL
+ && strcasecmp (MY (howto_table)[i].name, r_name) == 0)
+ return &MY (howto_table)[i];
+
+ return NULL;
+}
+
static void
MY_swap_std_reloc_in (bfd *abfd,
struct reloc_std_external *bytes,
asymbol **symbols,
bfd_size_type symcount ATTRIBUTE_UNUSED)
{
- int r_index;
+ unsigned int r_index;
int r_extern;
int r_pcrel;
struct aoutdata *su = &(abfd->tdata.aout_data->a);
int r_index;
asymbol *sym = *(g->sym_ptr_ptr);
int r_extern;
- unsigned int r_addend;
asection *output_section = sym->section->output_section;
- r_addend = g->addend + (*(g->sym_ptr_ptr))->section->output_section->vma;
-
/* Name was clobbered by aout_write_syms to be symbol index. */
/* If this relocation is relative to a symbol then set the
from the abs section, or as a symbol which has an abs value.
Check for that here. */
if (bfd_is_com_section (output_section)
- || output_section == &bfd_abs_section
- || output_section == &bfd_und_section)
+ || bfd_is_abs_section (output_section)
+ || bfd_is_und_section (output_section))
{
- if (bfd_abs_section.symbol == sym)
+ if (bfd_abs_section_ptr->symbol == sym)
{
/* Whoops, looked like an abs symbol, but is really an offset
from the abs section. */
case 2:
return _bfd_relocate_contents (howto, input_bfd, relocation,
location);
- break;
default:
return bfd_reloc_notsupported;
}