/* BFD back-end for Intel 960 COFF files.
- Copyright (C) 1990, 91, 92, 93, 94, 95, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1990-2018 Free Software Foundation, Inc.
Written by Cygnus Support.
-This file is part of BFD, the Binary File Descriptor library.
+ 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 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 3 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.
+ 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. */
+ 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., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
#define I960 1
#define BADMAG(x) I960BADMAG(x)
-#include "bfd.h"
#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 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 boolean coff_i960_start_final_link
- PARAMS ((bfd *, struct bfd_link_info *));
-static boolean coff_i960_relocate_section
- PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
- struct internal_reloc *, struct internal_syment *, asection **));
-static boolean coff_i960_adjust_symndx
- PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *,
- struct internal_reloc *, boolean *));
+
+#ifndef bfd_pe_print_pdata
+#define bfd_pe_print_pdata NULL
+#endif
+
+#include "libcoff.h" /* To allow easier abstraction-breaking. */
+
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3)
#define COFF_ALIGN_IN_SECTION_HEADER 1
-#define GET_SCNHDR_ALIGN bfd_h_get_32
-#define PUT_SCNHDR_ALIGN bfd_h_put_32
+#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. */
/* This set of local label names is taken from gas. */
-static boolean
-coff_i960_is_local_label_name (abfd, name)
- bfd *abfd;
- const char *name;
+static bfd_boolean
+coff_i960_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED, const char *name)
{
return (name[0] == 'L'
|| (name[0] == '.'
/* 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; \
+#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 (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; \
}
#define BAL 0x0b000000 /* Template for 'bal' instruction */
#define BAL_MASK 0x00ffffff
-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;
- char **error_message;
+static bfd_reloc_status_type
+optcall_callback (bfd *abfd,
+ arelent *reloc_entry,
+ asymbol *symbol_in,
+ void * 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
coff_symbol_type *cs = coffsymbol(symbol_in);
/* Don't do anything with symbols which aren't tied up yet,
- except move the reloc. */
+ except move the reloc. */
if (bfd_is_und_section (cs->symbol.section)) {
reloc_entry->address += input_section->output_offset;
return bfd_reloc_ok;
}
-
- /* So the target symbol has to be of coff type, and the symbol
+
+ /* 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))
}
else
{
- switch (cs->native->u.syment.n_sclass)
+ 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
+ /* This is a call to a leaf procedure, replace instruction with a bal
to the correct location. */
{
union internal_auxent *aux = &((cs->native+2)->u.auxent);
- int word = bfd_get_32(abfd, (bfd_byte *)data + reloc_entry->address);
+ 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);
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);
- }
+ bfd_put_32 (abfd, (bfd_vma) word,
+ (bfd_byte *) data + reloc_entry->address);
+ }
result = bfd_reloc_ok;
break;
case C_SCALL:
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 relocateable output
+ 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
- relocateable link, which will almost certainly fail when not
+ 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;
- asection *input_section;
- bfd *output_bfd;
- char **error_message;
+static bfd_reloc_status_type
+coff_i960_relocate (bfd *abfd,
+ arelent *reloc_entry,
+ asymbol *symbol,
+ void * data ATTRIBUTE_UNUSED,
+ asection *input_section ATTRIBUTE_UNUSED,
+ bfd *output_bfd,
+ char **error_message ATTRIBUTE_UNUSED)
{
asection *osec;
if (output_bfd == NULL)
{
- /* Not generating relocateable output file. */
+ /* Not generating relocatable output file. */
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. */
+ symbol. */
return bfd_reloc_continue;
}
if (coff_section_data (output_bfd, osec) == NULL)
{
- osec->used_by_bfd =
- ((PTR) bfd_zalloc (abfd,
- sizeof (struct coff_section_tdata)));
+ bfd_size_type amt = sizeof (struct coff_section_tdata);
+ osec->used_by_bfd = bfd_zalloc (abfd, amt);
if (osec->used_by_bfd == NULL)
return bfd_reloc_overflow;
}
- coff_section_data (output_bfd, osec)->tdata = (PTR) syms;
+ coff_section_data (output_bfd, osec)->tdata = syms;
}
/* Let bfd_perform_relocation do its thing, which will include
}
static reloc_howto_type howto_rellong =
- HOWTO ((unsigned int) R_RELLONG, 0, 2, 32,false, 0,
- complain_overflow_bitfield, coff_i960_relocate,"rellong", true,
+ 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);
+ 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);
+ 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;
- bfd_reloc_code_real_type code;
+coff_i960_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ bfd_reloc_code_real_type code)
{
switch (code)
{
}
}
+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;
+}
+
/* The real code is in coffcode.h */
#define RTYPE2HOWTO(cache_ptr, dst) \
called at the start of the linking process, and it creates the
necessary symbols. */
-static boolean
-coff_i960_start_final_link (abfd, info)
- bfd *abfd;
- struct bfd_link_info *info;
+static bfd_boolean
+coff_i960_start_final_link (bfd *abfd, struct bfd_link_info *info)
{
bfd_size_type symesz = bfd_coff_symesz (abfd);
asection *o;
bfd_byte *esym;
- if (! info->relocateable)
- return true;
+ if (! bfd_link_relocatable (info))
+ return TRUE;
esym = (bfd_byte *) bfd_malloc (symesz);
if (esym == NULL)
- return false;
+ return FALSE;
if (bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET) != 0)
- return false;
+ return FALSE;
for (o = abfd->sections; o != NULL; o = o->next)
{
isym.n_sclass = C_STAT;
isym.n_numaux = 0;
- bfd_coff_swap_sym_out (abfd, (PTR) &isym, (PTR) esym);
+ bfd_coff_swap_sym_out (abfd, &isym, esym);
- if (bfd_write (esym, symesz, 1, abfd) != symesz)
+ if (bfd_bwrite (esym, symesz, abfd) != symesz)
{
free (esym);
- return false;
+ return FALSE;
}
obj_raw_syment_count (abfd) += 1;
free (esym);
- return true;
+ return TRUE;
}
/* The reloc processing routine for the optimized COFF linker. */
-static boolean
-coff_i960_relocate_section (output_bfd, info, input_bfd, input_section,
- contents, relocs, syms, sections)
- bfd *output_bfd;
- struct bfd_link_info *info;
- bfd *input_bfd;
- asection *input_section;
- bfd_byte *contents;
- struct internal_reloc *relocs;
- struct internal_syment *syms;
- asection **sections;
+static bfd_boolean
+coff_i960_relocate_section (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)
{
struct internal_reloc *rel;
struct internal_reloc *relend;
bfd_vma val;
reloc_howto_type *howto;
bfd_reloc_status_type rstat = bfd_reloc_ok;
- boolean done;
+ bfd_boolean done;
symndx = rel->r_symndx;
sym = NULL;
}
else
- {
+ {
h = obj_coff_sym_hashes (input_bfd)[symndx];
sym = syms + symndx;
}
case 27: howto = &howto_optcall; break;
default:
bfd_set_error (bfd_error_bad_value);
- return false;
+ return FALSE;
}
val = 0;
else
{
sec = sections[symndx];
- val = (sec->output_section->vma
+ val = (sec->output_section->vma
+ sec->output_offset
+ sym->n_value
- sec->vma);
+ sec->output_section->vma
+ sec->output_offset);
}
- else if (! info->relocateable)
- {
- if (! ((*info->callbacks->undefined_symbol)
- (info, h->root.root.string, input_bfd, input_section,
- rel->r_vaddr - input_section->vma)))
- return false;
- }
+ else if (! bfd_link_relocatable (info))
+ (*info->callbacks->undefined_symbol)
+ (info, h->root.root.string, input_bfd, input_section,
+ rel->r_vaddr - input_section->vma, TRUE);
}
- done = false;
+ done = FALSE;
- if (howto->type == R_OPTCALL && ! info->relocateable && symndx != -1)
+ if (howto->type == R_OPTCALL && ! bfd_link_relocatable (info) && symndx != -1)
{
- int class;
+ int class_val;
if (h != NULL)
- class = h->class;
+ class_val = h->symbol_class;
else
- class = sym->n_sclass;
+ class_val = sym->n_sclass;
- switch (class)
+ switch (class_val)
{
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;
+ We warn, and then assume that it is not a leaf
+ function. */
+ (*info->callbacks->reloc_dangerous)
+ (info,
+ _("uncertain calling convention for non-COFF symbol"),
+ input_bfd, input_section,
+ rel->r_vaddr - input_section->vma);
break;
case C_LEAFSTAT:
case C_LEAFEXT:
/* This is a call to a leaf procedure; use the bal
- instruction. */
+ instruction. */
{
long olf;
unsigned long word;
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,
+ bfd_coff_swap_aux_in (input_bfd, esyms, sym->n_type,
sym->n_sclass, 1, sym->n_numaux,
- (PTR) &aux);
+ &aux);
olf = aux.x_bal.x_balntry;
}
+ (rel->r_vaddr - input_section->vma)));
word = ((word + olf - val) & BAL_MASK) | BAL;
bfd_put_32 (input_bfd,
- word,
- (contents
- + (rel->r_vaddr - input_section->vma)));
- done = true;
+ (bfd_vma) word,
+ contents + (rel->r_vaddr - input_section->vma));
+ done = TRUE;
}
break;
case C_SCALL:
if (symndx == -1)
name = "*ABS*";
else if (h != NULL)
- name = h->root.root.string;
+ name = NULL;
else
{
name = _bfd_coff_internal_syment_name (input_bfd, sym, buf);
if (name == NULL)
- return false;
+ return FALSE;
}
- if (! ((*info->callbacks->reloc_overflow)
- (info, name, howto->name, (bfd_vma) 0, input_bfd,
- input_section, rel->r_vaddr - input_section->vma)))
- return false;
+ (*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 true;
+ 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. */
-/*ARGSUSED*/
-static boolean
-coff_i960_adjust_symndx (obfd, info, ibfd, sec, irel, adjustedp)
- bfd *obfd;
- struct bfd_link_info *info;
- bfd *ibfd;
- asection *sec;
- struct internal_reloc *irel;
- boolean *adjustedp;
+static bfd_boolean
+coff_i960_adjust_symndx (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;
+ *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;
+ return TRUE;
irel->r_symndx = h->root.u.def.section->output_section->target_index - 1;
- *adjustedp = true;
+ *adjustedp = TRUE;
- return true;
+ return TRUE;
}
#define coff_bfd_is_local_label_name coff_i960_is_local_label_name
#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"
-const bfd_target icoff_little_vec =
-{
- "coff-Intel-little", /* name */
- bfd_target_coff_flavour,
- BFD_ENDIAN_LITTLE, /* data byte order is little */
- BFD_ENDIAN_LITTLE, /* header byte order is little */
+extern const bfd_target icoff_be_vec;
- (HAS_RELOC | EXEC_P | /* object flags */
- HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | WP_TEXT),
+CREATE_LITTLE_COFF_TARGET_VEC (icoff_le_vec, "coff-Intel-little", 0, 0, '_', & icoff_be_vec, COFF_SWAP_TABLE)
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
- '_', /* leading underscore */
- '/', /* ar_pad_char */
- 15, /* ar_max_namelen */
-
- 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),
- BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
-
- COFF_SWAP_TABLE,
-};
-
-
-const bfd_target icoff_big_vec =
+const bfd_target icoff_be_vec =
{
"coff-Intel-big", /* name */
bfd_target_coff_flavour,
'_', /* leading underscore */
'/', /* ar_pad_char */
15, /* ar_max_namelen */
+ 0, /* match priority. */
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
BFD_JUMP_TABLE_LINK (coff),
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
- COFF_SWAP_TABLE,
+ & icoff_le_vec,
+
+ COFF_SWAP_TABLE
};
projects / deliverable / binutils-gdb.git / blobdiff