-/* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
+/* BFD back-end for Intel 960 COFF files.
+ Copyright (C) 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
+ Written by Cygnus Support.
-This file is part of BFD, the Binary File Diddler.
+This file is part of BFD, the Binary File Descriptor library.
-BFD is free software; you can redistribute it and/or modify
+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 1, or (at your option)
-any later version.
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
-BFD is distributed in the hope that it will be useful,
+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 BFD; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-/* $Id$ */
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#define I960 1
-#include <ansidecl.h>
-#include "sysdep.h"
+#define BADMAG(x) I960BADMAG(x)
+
#include "bfd.h"
+#include "sysdep.h"
#include "libbfd.h"
#include "obstack.h"
-#include "intel-coff.h"
+#include "coff/i960.h"
+#include "coff/internal.h"
#include "libcoff.h" /* to allow easier abstraction-breaking */
-
-
-
+static bfd_reloc_status_type optcall_callback
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+
+#define COFF_LONG_FILENAMES
#define CALLS 0x66003800 /* Template for 'calls' instruction */
#define BAL 0x0b000000 /* Template for 'bal' instruction */
#define BAL_MASK 0x00ffffff
-static bfd_reloc_status_enum_type
-optcall_callback(abfd, reloc_entry, symbol_in, data, ignore_input_section)
-bfd *abfd;
-arelent *reloc_entry;
-asymbol *symbol_in;
-unsigned char *data;
-asection *ignore_input_section;
+static bfd_reloc_status_type
+optcall_callback (abfd, reloc_entry, symbol_in, data,
+ ignore_input_section, ignore_bfd, error_message)
+ bfd *abfd;
+ arelent *reloc_entry;
+ asymbol *symbol_in;
+ PTR data;
+ asection *ignore_input_section;
+ bfd *ignore_bfd;
+ char **error_message;
{
/* This item has already been relocated correctly, but we may be
* able to patch in yet better code - done by digging out the
* correct info on this symbol */
- bfd_reloc_status_enum_type result;
+ bfd_reloc_status_type result;
coff_symbol_type *cs = coffsymbol(symbol_in);
- /* So the target symbol has to be off coff type, and the symbol
- has to have the correct native information within it
- */
- if ((cs->symbol.the_bfd->xvec->flavour != bfd_target_coff_flavour_enum)
- || (cs->native == (struct syment *)NULL)) {
- /* This is interesting, consider the case where we're outputting */
- /* coff from a mix n match input, linking from coff to a symbol */
- /* defined in a bout file will cause this match to be true. Should */
- /* I complain ? - This will only work if the bout symbol is non */
- /* leaf. */
- result = bfd_reloc_dangerous;
-
- }
- else {
- switch (cs->native->n_sclass)
+ /* So the target symbol has to be of coff type, and the symbol
+ has to have the correct native information within it */
+ if ((bfd_asymbol_flavour(&cs->symbol) != bfd_target_coff_flavour)
+ || (cs->native == (combined_entry_type *)NULL))
+ {
+ /* This is interesting, consider the case where we're outputting coff
+ from a mix n match input, linking from coff to a symbol defined in a
+ bout file will cause this match to be true. Should I complain? This
+ will only work if the bout symbol is non leaf. */
+ *error_message =
+ (char *) "uncertain calling convention for non-COFF symbol";
+ result = bfd_reloc_dangerous;
+ }
+ else
+ {
+ switch (cs->native->u.syment.n_sclass)
{
case C_LEAFSTAT:
case C_LEAFEXT:
/* This is a call to a leaf procedure, replace instruction with a bal
- to the correct location */
+ to the correct location. */
{
- union auxent *aux = (union auxent *)(cs->native+2);
- int word = bfd_getlong(abfd, data + reloc_entry->address);
- BFD_ASSERT(cs->native->n_numaux==2);
- /* We replace the original call instruction with a bal to */
- /* the bal entry point - the offset of which is described in the */
- /* 2nd auxent of the original symbol. We keep the native sym and */
- /* auxents untouched, so the delta between the two is the */
- /* offset of the bal entry point */
- word = ((word + (aux->x_bal.x_balntry - cs->native->n_value))
- & BAL_MASK) | BAL;
- bfd_putlong(abfd, word, data+reloc_entry->address);
+ union internal_auxent *aux = &((cs->native+2)->u.auxent);
+ int word = bfd_get_32(abfd, (bfd_byte *)data + reloc_entry->address);
+ int olf = (aux->x_bal.x_balntry - cs->native->u.syment.n_value);
+ BFD_ASSERT(cs->native->u.syment.n_numaux==2);
+
+ /* We replace the original call instruction with a bal to
+ the bal entry point - the offset of which is described in
+ the 2nd auxent of the original symbol. We keep the native
+ sym and auxents untouched, so the delta between the two
+ is the offset of the bal entry point. */
+ word = ((word + olf) & BAL_MASK) | BAL;
+ bfd_put_32(abfd, word, (bfd_byte *) data + reloc_entry->address);
}
result = bfd_reloc_ok;
break;
case C_SCALL:
- {
- /* This is a call to a system call, replace with a calls to # */
- BFD_ASSERT(0);
- }
+ /* This is a call to a system call, replace with a calls to # */
+ BFD_ASSERT(0);
+ result = bfd_reloc_ok;
break;
default:
result = bfd_reloc_ok;
return result;
}
-
-
-static reloc_howto_type howto_table[] =
+static reloc_howto_type howto_rellong =
+ { (unsigned int) R_RELLONG, 0, 2, 32,false, 0,
+ complain_overflow_bitfield, 0,"rellong", true, 0xffffffff,
+ 0xffffffff};
+static reloc_howto_type howto_iprmed =
+ { R_IPRMED, 0, 2, 24,true,0, complain_overflow_signed,0,
+ "iprmed ", true, 0x00ffffff, 0x00ffffff};
+static reloc_howto_type howto_optcall =
+ { R_OPTCALL, 0,2,24,true,0, complain_overflow_signed,
+ optcall_callback, "optcall", true, 0x00ffffff, 0x00ffffff};
+
+static const reloc_howto_type *
+coff_i960_reloc_type_lookup (abfd, code)
+ bfd *abfd;
+ bfd_reloc_code_real_type code;
{
- {0},
- {1},
- {2},
- {3},
- {4},
- {5},
- {6},
- {7},
- {8},
- {9},
- {10},
- {11},
- {12},
- {13},
- {14},
- {15},
- {16},
-
- { (unsigned int) R_RELLONG, 0, 2, 32,false, 0, true, true,
- 0,"rellong", true, 0xffffffff, 0xffffffff},
- {18},
- {19},
- {20},
- {21},
- {22},
- {23},
- {24},
-
- { R_IPRMED, 0, 2, 24,true,0, true, true,0,"iprmed ", true,
- 0x00ffffff, 0x00ffffff},
- {26},
-
- { R_OPTCALL, 0,2,24,true,0, true, true, optcall_callback,
- "optcall", true, 0x00ffffff, 0x00ffffff},
+ switch (code)
+ {
+ default:
+ return 0;
+ case BFD_RELOC_I960_CALLJ:
+ return &howto_optcall;
+ case BFD_RELOC_32:
+ return &howto_rellong;
+ case BFD_RELOC_24_PCREL:
+ return &howto_iprmed;
+ }
+}
-};
+/* The real code is in coffcode.h */
+#define RTYPE2HOWTO(cache_ptr, dst) \
+{ \
+ reloc_howto_type *howto_ptr; \
+ switch ((dst)->r_type) { \
+ case 17: howto_ptr = &howto_rellong; break; \
+ case 25: howto_ptr = &howto_iprmed; break; \
+ case 27: howto_ptr = &howto_optcall; break; \
+ default: howto_ptr = 0; break; \
+ } \
+ cache_ptr->howto = howto_ptr; \
+ }
+#include "coffcode.h"
-#define BADMAG(x) I960BADMAG(x)
-#include "coff-code.h"
+#undef coff_bfd_reloc_type_lookup
+#define coff_bfd_reloc_type_lookup coff_i960_reloc_type_lookup
bfd_target icoff_little_vec =
{
"coff-Intel-little", /* name */
- bfd_target_coff_flavour_enum,
+ bfd_target_coff_flavour,
false, /* data byte order is little */
false, /* header byte order is little */
(HAS_RELOC | EXEC_P | /* object flags */
HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
+ HAS_SYMS | HAS_LOCALS | WP_TEXT),
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
+ 0, /* leading underscore */
'/', /* ar_pad_char */
15, /* ar_max_namelen */
- _do_getllong, _do_putllong, _do_getlshort, _do_putlshort, /* data */
- _do_getllong, _do_putllong, _do_getlshort, _do_putlshort, /* hdrs */
-
- {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
- bfd_generic_archive_p, _bfd_dummy_target},
- {bfd_false, coff_mkobject, /* bfd_set_format */
- _bfd_generic_mkarchive, bfd_false},
-JUMP_TABLE(coff)
+ 3, /* minimum alignment power */
+ 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 */
+
+ {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
+ bfd_generic_archive_p, _bfd_dummy_target},
+ {bfd_false, coff_mkobject, /* bfd_set_format */
+ _bfd_generic_mkarchive, 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),
+
+ COFF_SWAP_TABLE,
};
-
-
bfd_target icoff_big_vec =
{
"coff-Intel-big", /* name */
- bfd_target_coff_flavour_enum,
+ bfd_target_coff_flavour,
false, /* data byte order is little */
true, /* header byte order is big */
(HAS_RELOC | EXEC_P | /* object flags */
HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
+ HAS_SYMS | HAS_LOCALS | WP_TEXT),
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
+ 0, /* leading underscore */
'/', /* ar_pad_char */
15, /* ar_max_namelen */
- _do_getllong, _do_putllong, _do_getlshort, _do_putlshort, /* data */
- _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* hdrs */
-
- {_bfd_dummy_target, coff_object_p, bfd_generic_archive_p, _bfd_dummy_target},
- {bfd_false, coff_mkobject, _bfd_generic_mkarchive, bfd_false},
- JUMP_TABLE(coff)
- };
+ 3, /* minimum alignment power */
+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_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_set_format */
+ _bfd_generic_mkarchive, 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),
+
+ COFF_SWAP_TABLE,
+};
projects / binutils.git / blobdiff