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- /* BFD back-end for Hitachi Super-H COFF binaries.
- Copyright 1993, 1994, 1995 Free Software Foundation, Inc.
- Contributed by Cygnus Support.
- Written by Steve Chamberlain, <sac@cygnus.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., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #include "bfd.h"
- #include "sysdep.h"
- #include "obstack.h"
- #include "libbfd.h"
- #include "bfdlink.h"
- #include "coff/sh.h"
- #include "coff/internal.h"
- #include "libcoff.h"
-
- static bfd_reloc_status_type sh_reloc();
-
- #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2)
-
- /*#define COFF_LONG_FILENAMES*/
-
- static reloc_howto_type r_imm32 =
- {R_SH_IMM32, 0, 2, 32, false, 0,
- complain_overflow_bitfield, sh_reloc,"r_imm32", true, 0xffffffff,0xffffffff, false};
-
-
- #define BADMAG(x) SHBADMAG(x)
- #define SH 1 /* Customize coffcode.h */
-
- #define __A_MAGIC_SET__
-
- /* Code to swap in the reloc */
- #define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \
- dst->r_stuff[0] = 'S'; \
- dst->r_stuff[1] = 'C';
-
- /* Code to turn a r_type into a howto ptr, uses the above howto table. */
- static long
- get_symbol_value (symbol)
- asymbol *symbol;
- {
- long relocation = 0;
-
- if (bfd_is_com_section (symbol->section))
- {
- relocation = 0;
- }
- else
- {
- relocation = symbol->value +
- symbol->section->output_section->vma +
- symbol->section->output_offset;
- }
-
- return(relocation);
- }
-
- #define RTYPE2HOWTO(x,y) ((x)->howto = &r_imm32)
-
- /* this function is in charge of performing all the 29k relocations */
-
- static bfd_reloc_status_type
- sh_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;
- {
- /* the consth relocation comes in two parts, we have to remember
- the state between calls, in these variables */
- unsigned long insn;
- unsigned long sym_value;
- unsigned short r_type;
-
- unsigned long addr = reloc_entry->address ; /*+ input_section->vma*/
- bfd_byte *hit_data =addr + (bfd_byte *)(data);
-
- r_type = reloc_entry->howto->type;
-
- if (output_bfd) {
- /* 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))
- {
- /* Keep the state machine happy in case we're called again */
- return (bfd_reloc_undefined);
- }
-
-
- sym_value = get_symbol_value(symbol_in);
-
- switch (r_type)
- {
- case R_SH_IMM32:
- insn = sym_value + reloc_entry->addend;
- insn += bfd_get_32 (abfd, hit_data);
- bfd_put_32(abfd, insn, hit_data);
- break;
- default:
- *error_message = "Unrecognized reloc";
- return (bfd_reloc_dangerous);
- }
-
-
- return(bfd_reloc_ok);
- }
-
- /* We use the special COFF backend linker. */
- #define coff_relocate_section _bfd_coff_generic_relocate_section
-
- #include "coffcode.h"
-
- const bfd_target shcoff_vec =
- {
- "coff-sh", /* name */
- bfd_target_coff_flavour,
- true, /* data byte order is big */
- true, /* header byte order is big */
-
- (HAS_RELOC | EXEC_P | /* object flags */
- HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE ),
-
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
- '_', /* leading symbol underscore */
- '/', /* ar_pad_char */
- 15, /* ar_max_namelen */
- 2, /* minimum section alignment */
- bfd_getb64, bfd_getb_signed_64, bfd_putb64,
- bfd_getb32, bfd_getb_signed_32, bfd_putb32,
- bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
- bfd_getb64, bfd_getb_signed_64, bfd_putb64,
- bfd_getb32, bfd_getb_signed_32, bfd_putb32,
- bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
-
- {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
- bfd_generic_archive_p, _bfd_dummy_target},
- {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
- bfd_false},
- {bfd_false, coff_write_object_contents, /* bfd_write_contents */
- _bfd_write_archive_contents, bfd_false},
-
- BFD_JUMP_TABLE_GENERIC (coff),
- BFD_JUMP_TABLE_COPY (coff),
- BFD_JUMP_TABLE_CORE (_bfd_nocore),
- BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
- BFD_JUMP_TABLE_SYMBOLS (coff),
- BFD_JUMP_TABLE_RELOCS (coff),
- BFD_JUMP_TABLE_WRITE (coff),
- BFD_JUMP_TABLE_LINK (coff),
- BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
-
- COFF_SWAP_TABLE,
- };
-
- const bfd_target shlcoff_vec =
- {
- "coff-shl", /* name */
- bfd_target_coff_flavour,
- false, /* data byte order is little */
- false, /* header byte order is little endian too*/
-
- (HAS_RELOC | EXEC_P | /* object flags */
- HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE ),
-
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
- '_', /* leading symbol underscore */
- '/', /* ar_pad_char */
- 15, /* ar_max_namelen */
- 2, /* minimum section alignment */
- bfd_getl64, bfd_getl_signed_64, bfd_putl64,
- bfd_getl32, bfd_getl_signed_32, bfd_putl32,
- bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
- bfd_getl64, bfd_getl_signed_64, bfd_putl64,
- bfd_getl32, bfd_getl_signed_32, bfd_putl32,
- bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
-
- /* Note that we use a special archive recognizer.
- This is so that we only use one archive format for both
- object file types */
- {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
- _bfd_dummy_target, _bfd_dummy_target},
- {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
- bfd_false},
- {bfd_false, coff_write_object_contents, /* bfd_write_contents */
- _bfd_write_archive_contents, bfd_false},
-
- BFD_JUMP_TABLE_GENERIC (coff),
- BFD_JUMP_TABLE_COPY (coff),
- BFD_JUMP_TABLE_CORE (_bfd_nocore),
- BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
- BFD_JUMP_TABLE_SYMBOLS (coff),
- BFD_JUMP_TABLE_RELOCS (coff),
- BFD_JUMP_TABLE_WRITE (coff),
- BFD_JUMP_TABLE_LINK (coff),
- BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
-
- COFF_SWAP_TABLE,
- };
-
-