-/* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
+/* BFD back-end for Intel 960 COFF files.
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1997, 1999, 2000, 2001,
+ 2002, 2003, 2004, 2007 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
#define I960 1
-#include <ansidecl.h>
+#define BADMAG(x) I960BADMAG(x)
+
#include "sysdep.h"
#include "bfd.h"
#include "libbfd.h"
+#include "coff/i960.h"
+#include "coff/internal.h"
#include "libcoff.h" /* to allow easier abstraction-breaking */
+static bfd_boolean coff_i960_is_local_label_name
+ PARAMS ((bfd *, const char *));
+static bfd_reloc_status_type optcall_callback
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static bfd_reloc_status_type coff_i960_relocate
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static reloc_howto_type *coff_i960_reloc_type_lookup
+ PARAMS ((bfd *, bfd_reloc_code_real_type));
+static bfd_boolean coff_i960_start_final_link
+ PARAMS ((bfd *, struct bfd_link_info *));
+static bfd_boolean coff_i960_relocate_section
+ PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
+ struct internal_reloc *, struct internal_syment *, asection **));
+static bfd_boolean coff_i960_adjust_symndx
+ PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *,
+ struct internal_reloc *, bfd_boolean *));
+
+#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3)
+#define COFF_ALIGN_IN_SECTION_HEADER 1
+
+#define GET_SCNHDR_ALIGN H_GET_32
+#define PUT_SCNHDR_ALIGN H_PUT_32
+
+/* The i960 does not support an MMU, so COFF_PAGE_SIZE can be
+ arbitrarily small. */
+#define COFF_PAGE_SIZE 1
+
+#define COFF_LONG_FILENAMES
+
+/* This set of local label names is taken from gas. */
+
+static bfd_boolean
+coff_i960_is_local_label_name (abfd, name)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ const char *name;
+{
+ return (name[0] == 'L'
+ || (name[0] == '.'
+ && (name[1] == 'C'
+ || name[1] == 'I'
+ || name[1] == '.')));
+}
-
-#include "intel-coff.h"
+/* This is just like the usual CALC_ADDEND, but it includes the
+ section VMA for PC relative relocs. */
+#ifndef CALC_ADDEND
+#define CALC_ADDEND(abfd, ptr, reloc, cache_ptr) \
+ { \
+ coff_symbol_type *coffsym = (coff_symbol_type *) NULL; \
+ if (ptr && bfd_asymbol_bfd (ptr) != abfd) \
+ coffsym = (obj_symbols (abfd) \
+ + (cache_ptr->sym_ptr_ptr - symbols)); \
+ else if (ptr) \
+ coffsym = coff_symbol_from (abfd, ptr); \
+ if (coffsym != (coff_symbol_type *) NULL \
+ && coffsym->native->u.syment.n_scnum == 0) \
+ cache_ptr->addend = 0; \
+ else if (ptr && bfd_asymbol_bfd (ptr) == abfd \
+ && ptr->section != (asection *) NULL) \
+ cache_ptr->addend = - (ptr->section->vma + ptr->value); \
+ else \
+ cache_ptr->addend = 0; \
+ if (ptr && (reloc.r_type == 25 || reloc.r_type == 27)) \
+ cache_ptr->addend += asect->vma; \
+ }
+#endif
#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,
+ input_section, ignore_bfd, error_message)
+ bfd *abfd;
+ arelent *reloc_entry;
+ asymbol *symbol_in;
+ PTR data;
+ asection *input_section;
+ bfd *ignore_bfd ATTRIBUTE_UNUSED;
+ 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;
-
+ /* Don't do anything with symbols which aren't tied up yet,
+ except move the reloc. */
+ if (bfd_is_und_section (cs->symbol.section)) {
+ reloc_entry->address += input_section->output_offset;
+ return bfd_reloc_ok;
}
- 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, (bfd_vma) 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;
}
+/* i960 COFF is used by VxWorks 5.1. However, VxWorks 5.1 does not
+ appear to correctly handle a reloc against a symbol defined in the
+ same object file. It appears to simply discard such relocs, rather
+ than adding their values into the object file. We handle this here
+ by converting all relocs against defined symbols into relocs
+ against the section symbol, when generating a relocatable output
+ file.
+
+ Note that this function is only called if we are not using the COFF
+ specific backend linker. It only does something when doing a
+ relocatable link, which will almost certainly fail when not
+ generating COFF i960 output, so this function is actually no longer
+ useful. It was used before this target was converted to use the
+ COFF specific backend linker. */
+
+static bfd_reloc_status_type
+coff_i960_relocate (abfd, reloc_entry, symbol, data, input_section,
+ output_bfd, error_message)
+ bfd *abfd;
+ arelent *reloc_entry;
+ asymbol *symbol;
+ PTR data ATTRIBUTE_UNUSED;
+ asection *input_section ATTRIBUTE_UNUSED;
+ bfd *output_bfd;
+ char **error_message ATTRIBUTE_UNUSED;
+{
+ asection *osec;
+
+ if (output_bfd == NULL)
+ {
+ /* Not generating relocatable output file. */
+ return bfd_reloc_continue;
+ }
+
+ if (bfd_is_und_section (bfd_get_section (symbol)))
+ {
+ /* Symbol is not defined, so no need to worry about it. */
+ return bfd_reloc_continue;
+ }
+
+ if (bfd_is_com_section (bfd_get_section (symbol)))
+ {
+ /* I don't really know what the right action is for a common
+ symbol. */
+ return bfd_reloc_continue;
+ }
+
+ /* Convert the reloc to use the section symbol. FIXME: This method
+ is ridiculous. */
+ osec = bfd_get_section (symbol)->output_section;
+ if (coff_section_data (output_bfd, osec) != NULL
+ && coff_section_data (output_bfd, osec)->tdata != NULL)
+ reloc_entry->sym_ptr_ptr =
+ (asymbol **) coff_section_data (output_bfd, osec)->tdata;
+ else
+ {
+ const char *sec_name;
+ asymbol **syms, **sym_end;
+
+ sec_name = bfd_get_section_name (output_bfd, osec);
+ syms = bfd_get_outsymbols (output_bfd);
+ sym_end = syms + bfd_get_symcount (output_bfd);
+ for (; syms < sym_end; syms++)
+ {
+ if (bfd_asymbol_name (*syms) != NULL
+ && (*syms)->value == 0
+ && strcmp ((*syms)->section->output_section->name,
+ sec_name) == 0)
+ break;
+ }
+
+ if (syms >= sym_end)
+ abort ();
+
+ reloc_entry->sym_ptr_ptr = syms;
+
+ if (coff_section_data (output_bfd, osec) == NULL)
+ {
+ bfd_size_type amt = sizeof (struct coff_section_tdata);
+ osec->used_by_bfd = (PTR) bfd_zalloc (abfd, amt);
+ if (osec->used_by_bfd == NULL)
+ return bfd_reloc_overflow;
+ }
+ coff_section_data (output_bfd, osec)->tdata = (PTR) syms;
+ }
+
+ /* Let bfd_perform_relocation do its thing, which will include
+ stuffing the symbol addend into the object file. */
+ return bfd_reloc_continue;
+}
+
+static reloc_howto_type howto_rellong =
+ HOWTO ((unsigned int) R_RELLONG, 0, 2, 32,FALSE, 0,
+ complain_overflow_bitfield, coff_i960_relocate,"rellong", TRUE,
+ 0xffffffff, 0xffffffff, 0);
+static reloc_howto_type howto_iprmed =
+ HOWTO (R_IPRMED, 0, 2, 24,TRUE,0, complain_overflow_signed,
+ coff_i960_relocate, "iprmed ", TRUE, 0x00ffffff, 0x00ffffff, 0);
+static reloc_howto_type howto_optcall =
+ HOWTO (R_OPTCALL, 0,2,24,TRUE,0, complain_overflow_signed,
+ optcall_callback, "optcall", TRUE, 0x00ffffff, 0x00ffffff, 0);
+
+static reloc_howto_type *
+coff_i960_reloc_type_lookup (abfd, code)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ bfd_reloc_code_real_type code;
+{
+ switch (code)
+ {
+ default:
+ return 0;
+ case BFD_RELOC_I960_CALLJ:
+ return &howto_optcall;
+ case BFD_RELOC_32:
+ case BFD_RELOC_CTOR:
+ return &howto_rellong;
+ case BFD_RELOC_24_PCREL:
+ return &howto_iprmed;
+ }
+}
+static reloc_howto_type *
+coff_i960_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ if (strcasecmp (howto_optcall.name, r_name) == 0)
+ return &howto_optcall;
+ if (strcasecmp (howto_rellong.name, r_name) == 0)
+ return &howto_rellong;
+ if (strcasecmp (howto_iprmed.name, r_name) == 0)
+ return &howto_iprmed;
+
+ return NULL;
+}
-static reloc_howto_type howto_table[] =
+/* 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; \
+ }
+
+/* i960 COFF is used by VxWorks 5.1. However, VxWorks 5.1 does not
+ appear to correctly handle a reloc against a symbol defined in the
+ same object file. It appears to simply discard such relocs, rather
+ than adding their values into the object file. We handle this by
+ converting all relocs against global symbols into relocs against
+ internal symbols at the start of the section. This routine is
+ called at the start of the linking process, and it creates the
+ necessary symbols. */
+
+static bfd_boolean
+coff_i960_start_final_link (abfd, info)
+ bfd *abfd;
+ struct bfd_link_info *info;
{
- {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},
- {18},
- {19},
- {20},
- {21},
- {22},
- {23},
- {24},
-
- { R_IPRMED, 0, 2, 24,true,0, true, true,0,"iprmed ", true, 0x00ffffff},
- {26},
-
- { R_OPTCALL, 0,2,24,true,0, true, true, optcall_callback, "optcall", true, 0x00ffffff},
+ bfd_size_type symesz = bfd_coff_symesz (abfd);
+ asection *o;
+ bfd_byte *esym;
-};
+ if (! info->relocatable)
+ return TRUE;
+ esym = (bfd_byte *) bfd_malloc (symesz);
+ if (esym == NULL)
+ return FALSE;
+ if (bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET) != 0)
+ return FALSE;
-#define BADMAG(x) I960BADMAG(x)
-#include "coff-code.h"
+ for (o = abfd->sections; o != NULL; o = o->next)
+ {
+ struct internal_syment isym;
+ strncpy (isym._n._n_name, o->name, SYMNMLEN);
+ isym.n_value = 0;
+ isym.n_scnum = o->target_index;
+ isym.n_type = T_NULL;
+ isym.n_sclass = C_STAT;
+ isym.n_numaux = 0;
+ bfd_coff_swap_sym_out (abfd, (PTR) &isym, (PTR) esym);
-bfd_target icoff_big_vec =
+ if (bfd_bwrite (esym, symesz, abfd) != symesz)
+ {
+ free (esym);
+ return FALSE;
+ }
+
+ obj_raw_syment_count (abfd) += 1;
+ }
+
+ free (esym);
+
+ return TRUE;
+}
+
+/* The reloc processing routine for the optimized COFF linker. */
+
+static bfd_boolean
+coff_i960_relocate_section (output_bfd, info, input_bfd, input_section,
+ contents, relocs, syms, sections)
+ bfd *output_bfd ATTRIBUTE_UNUSED;
+ struct bfd_link_info *info;
+ bfd *input_bfd;
+ asection *input_section;
+ bfd_byte *contents;
+ struct internal_reloc *relocs;
+ struct internal_syment *syms;
+ asection **sections;
{
- "coff-Intel-big", /* name */
- bfd_target_coff_flavour_enum,
- false, /* data byte order is little */
- true, /* header byte order is big */
+ struct internal_reloc *rel;
+ struct internal_reloc *relend;
+
+ rel = relocs;
+ relend = rel + input_section->reloc_count;
+ for (; rel < relend; rel++)
+ {
+ long symndx;
+ struct coff_link_hash_entry *h;
+ struct internal_syment *sym;
+ bfd_vma addend;
+ bfd_vma val;
+ reloc_howto_type *howto;
+ bfd_reloc_status_type rstat = bfd_reloc_ok;
+ bfd_boolean done;
+
+ symndx = rel->r_symndx;
+
+ if (symndx == -1)
+ {
+ h = NULL;
+ sym = NULL;
+ }
+ else
+ {
+ h = obj_coff_sym_hashes (input_bfd)[symndx];
+ sym = syms + symndx;
+ }
- (HAS_RELOC | EXEC_P | /* object flags */
- HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
+ if (sym != NULL && sym->n_scnum != 0)
+ addend = - sym->n_value;
+ else
+ addend = 0;
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
- 0, /* valid reloc types */
- '/', /* ar_pad_char */
- 15, /* ar_max_namelen */
- coff_close_and_cleanup, /* _close_and_cleanup */
- coff_set_section_contents, /* bfd_set_section_contents */
- coff_get_section_contents, /* bfd_get_section_contents */
- coff_new_section_hook, /* new_section_hook */
- _bfd_dummy_core_file_failing_command, /* _core_file_failing_command */
- _bfd_dummy_core_file_failing_signal, /* _core_file_failing_signal */
- _bfd_dummy_core_file_matches_executable_p, /* _core_file_matches_ex...p */
-
- bfd_slurp_coff_armap, /* bfd_slurp_armap */
- _bfd_slurp_extended_name_table, /* bfd_slurp_extended_name_table*/
-#if 0 /* */
- bfd_dont_truncate_arname, /* bfd_truncate_arname */
-#else
- bfd_bsd_truncate_arname,
-#endif
+ switch (rel->r_type)
+ {
+ case 17: howto = &howto_rellong; break;
+ case 25: howto = &howto_iprmed; break;
+ case 27: howto = &howto_optcall; break;
+ default:
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
- coff_get_symtab_upper_bound, /* get_symtab_upper_bound */
- coff_get_symtab, /* canonicalize_symtab */
- (void (*)())bfd_false, /* bfd_reclaim_symbol_table */
- coff_get_reloc_upper_bound, /* get_reloc_upper_bound */
- coff_canonicalize_reloc, /* bfd_canonicalize_reloc */
- (void (*)())bfd_false, /* bfd_reclaim_reloc */
+ val = 0;
- coff_get_symcount_upper_bound, /* bfd_get_symcount_upper_bound */
- coff_get_first_symbol, /* bfd_get_first_symbol */
- coff_get_next_symbol, /* bfd_get_next_symbol */
- coff_classify_symbol, /* bfd_classify_symbol */
- coff_symbol_hasclass, /* bfd_symbol_hasclass */
- coff_symbol_name, /* bfd_symbol_name */
- coff_symbol_value, /* bfd_symbol_value */
+ if (h == NULL)
+ {
+ asection *sec;
+
+ if (symndx == -1)
+ {
+ sec = bfd_abs_section_ptr;
+ val = 0;
+ }
+ else
+ {
+ sec = sections[symndx];
+ val = (sec->output_section->vma
+ + sec->output_offset
+ + sym->n_value
+ - sec->vma);
+ }
+ }
+ else
+ {
+ if (h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak)
+ {
+ asection *sec;
+
+ sec = h->root.u.def.section;
+ val = (h->root.u.def.value
+ + sec->output_section->vma
+ + sec->output_offset);
+ }
+ else if (! info->relocatable)
+ {
+ if (! ((*info->callbacks->undefined_symbol)
+ (info, h->root.root.string, input_bfd, input_section,
+ rel->r_vaddr - input_section->vma, TRUE)))
+ return FALSE;
+ }
+ }
- _do_getllong, _do_putllong, _do_getlshort, _do_putlshort, /* data */
- _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* hdrs */
+ done = FALSE;
- {_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},
- coff_make_empty_symbol,
- coff_print_symbol,
- coff_get_lineno,
- coff_set_arch_mach,
- coff_write_armap,
- bfd_generic_openr_next_archived_file,
- coff_find_nearest_line,
- bfd_generic_stat_arch_elt /* bfd_stat_arch_elt */
- };
+ if (howto->type == R_OPTCALL && ! info->relocatable && symndx != -1)
+ {
+ int class;
+
+ if (h != NULL)
+ class = h->class;
+ else
+ class = sym->n_sclass;
+
+ switch (class)
+ {
+ case C_NULL:
+ /* This symbol is apparently not from a COFF input file.
+ We warn, and then assume that it is not a leaf
+ function. */
+ if (! ((*info->callbacks->reloc_dangerous)
+ (info,
+ _("uncertain calling convention for non-COFF symbol"),
+ input_bfd, input_section,
+ rel->r_vaddr - input_section->vma)))
+ return FALSE;
+ break;
+ case C_LEAFSTAT:
+ case C_LEAFEXT:
+ /* This is a call to a leaf procedure; use the bal
+ instruction. */
+ {
+ long olf;
+ unsigned long word;
+
+ if (h != NULL)
+ {
+ BFD_ASSERT (h->numaux == 2);
+ olf = h->aux[1].x_bal.x_balntry;
+ }
+ else
+ {
+ bfd_byte *esyms;
+ union internal_auxent aux;
+
+ BFD_ASSERT (sym->n_numaux == 2);
+ esyms = (bfd_byte *) obj_coff_external_syms (input_bfd);
+ esyms += (symndx + 2) * bfd_coff_symesz (input_bfd);
+ bfd_coff_swap_aux_in (input_bfd, (PTR) esyms, sym->n_type,
+ sym->n_sclass, 1, sym->n_numaux,
+ (PTR) &aux);
+ olf = aux.x_bal.x_balntry;
+ }
+
+ word = bfd_get_32 (input_bfd,
+ (contents
+ + (rel->r_vaddr - input_section->vma)));
+ word = ((word + olf - val) & BAL_MASK) | BAL;
+ bfd_put_32 (input_bfd,
+ (bfd_vma) word,
+ contents + (rel->r_vaddr - input_section->vma));
+ done = TRUE;
+ }
+ break;
+ case C_SCALL:
+ BFD_ASSERT (0);
+ break;
+ }
+ }
+
+ if (! done)
+ {
+ if (howto->pc_relative)
+ addend += input_section->vma;
+ rstat = _bfd_final_link_relocate (howto, input_bfd, input_section,
+ contents,
+ rel->r_vaddr - input_section->vma,
+ val, addend);
+ }
+
+ switch (rstat)
+ {
+ default:
+ abort ();
+ case bfd_reloc_ok:
+ break;
+ case bfd_reloc_overflow:
+ {
+ const char *name;
+ char buf[SYMNMLEN + 1];
+
+ if (symndx == -1)
+ name = "*ABS*";
+ else if (h != NULL)
+ name = NULL;
+ else
+ {
+ name = _bfd_coff_internal_syment_name (input_bfd, sym, buf);
+ if (name == NULL)
+ return FALSE;
+ }
+
+ if (! ((*info->callbacks->reloc_overflow)
+ (info, (h ? &h->root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section,
+ rel->r_vaddr - input_section->vma)))
+ return FALSE;
+ }
+ }
+ }
+
+ return TRUE;
+}
+
+/* Adjust the symbol index of any reloc against a global symbol to
+ instead be a reloc against the internal symbol we created specially
+ for the section. */
+
+static bfd_boolean
+coff_i960_adjust_symndx (obfd, info, ibfd, sec, irel, adjustedp)
+ bfd *obfd ATTRIBUTE_UNUSED;
+ struct bfd_link_info *info ATTRIBUTE_UNUSED;
+ bfd *ibfd;
+ asection *sec ATTRIBUTE_UNUSED;
+ struct internal_reloc *irel;
+ bfd_boolean *adjustedp;
+{
+ struct coff_link_hash_entry *h;
+
+ *adjustedp = FALSE;
+
+ h = obj_coff_sym_hashes (ibfd)[irel->r_symndx];
+ if (h == NULL
+ || (h->root.type != bfd_link_hash_defined
+ && h->root.type != bfd_link_hash_defweak))
+ return TRUE;
+
+ irel->r_symndx = h->root.u.def.section->output_section->target_index - 1;
+ *adjustedp = TRUE;
+
+ return TRUE;
+}
+
+#define coff_bfd_is_local_label_name coff_i960_is_local_label_name
+#define coff_start_final_link coff_i960_start_final_link
+#define coff_relocate_section coff_i960_relocate_section
-bfd_target icoff_little_vec =
+#define coff_adjust_symndx coff_i960_adjust_symndx
+
+#define coff_bfd_reloc_type_lookup coff_i960_reloc_type_lookup
+#define coff_bfd_reloc_name_lookup coff_i960_reloc_name_lookup
+
+#include "coffcode.h"
+
+extern const bfd_target icoff_big_vec;
+
+CREATE_LITTLE_COFF_TARGET_VEC (icoff_little_vec, "coff-Intel-little", 0, 0, '_', & icoff_big_vec, COFF_SWAP_TABLE)
+
+const bfd_target icoff_big_vec =
{
- "coff-Intel-little", /* name */
- bfd_target_coff_flavour_enum,
- false, /* data byte order is little */
- false, /* header byte order is little */
+ "coff-Intel-big", /* name */
+ bfd_target_coff_flavour,
+ BFD_ENDIAN_LITTLE, /* data byte order is little */
+ BFD_ENDIAN_BIG, /* 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, /* valid reloc types */
+ '_', /* leading underscore */
'/', /* ar_pad_char */
15, /* ar_max_namelen */
- coff_close_and_cleanup, /* _close_and_cleanup */
- coff_set_section_contents, /* bfd_set_section_contents */
- coff_get_section_contents, /* bfd_get_section_contents */
- coff_new_section_hook, /* new_section_hook */
- _bfd_dummy_core_file_failing_command, /* _core_file_failing_command */
- _bfd_dummy_core_file_failing_signal, /* _core_file_failing_signal */
- _bfd_dummy_core_file_matches_executable_p, /* _core_file_matches_ex...p */
-
- bfd_slurp_coff_armap, /* bfd_slurp_armap */
- _bfd_slurp_extended_name_table, /* bfd_slurp_extended_name_table*/
-#if 1 /* */
- bfd_dont_truncate_arname, /* bfd_truncate_arname */
-#else
- bfd_bsd_truncate_arname,
-#endif
- coff_get_symtab_upper_bound, /* get_symtab_upper_bound */
- coff_get_symtab, /* canonicalize_symtab */
- (void (*)())bfd_false, /* bfd_reclaim_symbol_table */
- coff_get_reloc_upper_bound, /* get_reloc_upper_bound */
- coff_canonicalize_reloc, /* bfd_canonicalize_reloc */
- (void (*)())bfd_false, /* bfd_reclaim_reloc */
-
- coff_get_symcount_upper_bound, /* bfd_get_symcount_upper_bound */
- coff_get_first_symbol, /* bfd_get_first_symbol */
- coff_get_next_symbol, /* bfd_get_next_symbol */
- coff_classify_symbol, /* bfd_classify_symbol */
- coff_symbol_hasclass, /* bfd_symbol_hasclass */
- coff_symbol_name, /* bfd_symbol_name */
- coff_symbol_value, /* bfd_symbol_value */
-
- _do_getllong, _do_putllong, _do_getlshort, _do_putlshort, /* data */
- _do_getllong, _do_putllong, _do_getlshort, _do_putlshort, /* hdrs */
+
+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},
- coff_make_empty_symbol,
- coff_print_symbol,
- coff_get_lineno,
- coff_set_arch_mach,
- coff_write_armap,
- bfd_generic_openr_next_archived_file,
- coff_find_nearest_line,
- bfd_generic_stat_arch_elt /* bfd_stat_arch_elt */
+ {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),
+
+ & icoff_little_vec,
+
+ COFF_SWAP_TABLE
};
-
-