/* BFD semi-generic back-end for a.out binaries.
- Copyright (C) 1990-2014 Free Software Foundation, Inc.
+ Copyright (C) 1990-2016 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
| TDEFAULTS = -DDEFAULT_VECTOR=host_aout_big_vec
| TDEPFILES= host-aout.o trad-core.o
- in the @file{config/@var{XXX}.mt} file, and modify @file{configure.in}
+ in the @file{config/@var{XXX}.mt} file, and modify @file{configure.ac}
to use the
@file{@var{XXX}.mt} file (by setting "<<bfd_target=XXX>>") when your
configuration is selected. */
HOWTO (RELOC_GLOB_DAT,0, 2, 0, FALSE, 0, complain_overflow_bitfield, 0, "GLOB_DAT", FALSE, 0, 0x00000000, FALSE),
HOWTO (RELOC_JMP_SLOT,0, 2, 0, FALSE, 0, complain_overflow_bitfield, 0, "JMP_SLOT", FALSE, 0, 0x00000000, FALSE),
HOWTO (RELOC_RELATIVE,0, 2, 0, FALSE, 0, complain_overflow_bitfield, 0, "RELATIVE", FALSE, 0, 0x00000000, FALSE),
- HOWTO (0, 0, 0, 0, FALSE, 0, complain_overflow_dont, 0, "R_SPARC_NONE",FALSE, 0, 0x00000000, TRUE),
- HOWTO (0, 0, 0, 0, FALSE, 0, complain_overflow_dont, 0, "R_SPARC_NONE",FALSE, 0, 0x00000000, TRUE),
+ HOWTO (0, 0, 3, 0, FALSE, 0, complain_overflow_dont, 0, "R_SPARC_NONE",FALSE, 0, 0x00000000, TRUE),
+ HOWTO (0, 0, 3, 0, FALSE, 0, complain_overflow_dont, 0, "R_SPARC_NONE",FALSE, 0, 0x00000000, TRUE),
#define RELOC_SPARC_REV32 RELOC_WDISP19
HOWTO (RELOC_SPARC_REV32, 0, 2, 32, FALSE, 0, complain_overflow_dont, 0,"R_SPARC_REV32",FALSE, 0, 0xffffffff, FALSE),
};
/* Setting of EXEC_P has been deferred to the bottom of this function. */
if (execp->a_syms)
abfd->flags |= HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS;
- if (N_DYNAMIC (*execp))
+ if (N_DYNAMIC (execp))
abfd->flags |= DYNAMIC;
- if (N_MAGIC (*execp) == ZMAGIC)
+ if (N_MAGIC (execp) == ZMAGIC)
{
abfd->flags |= D_PAGED | WP_TEXT;
adata (abfd).magic = z_magic;
}
- else if (N_MAGIC (*execp) == QMAGIC)
+ else if (N_MAGIC (execp) == QMAGIC)
{
abfd->flags |= D_PAGED | WP_TEXT;
adata (abfd).magic = z_magic;
adata (abfd).subformat = q_magic_format;
}
- else if (N_MAGIC (*execp) == NMAGIC)
+ else if (N_MAGIC (execp) == NMAGIC)
{
abfd->flags |= WP_TEXT;
adata (abfd).magic = n_magic;
}
- else if (N_MAGIC (*execp) == OMAGIC
- || N_MAGIC (*execp) == BMAGIC)
+ else if (N_MAGIC (execp) == OMAGIC
+ || N_MAGIC (execp) == BMAGIC)
adata (abfd).magic = o_magic;
else
/* Should have been checked with N_BADMAG before this routine
struct exec *execp = exec_hdr (abfd);
- obj_textsec (abfd)->size = N_TXTSIZE (*execp);
+ obj_textsec (abfd)->size = N_TXTSIZE (execp);
/* Data and bss are already filled in since they're so standard. */
/* The virtual memory addresses of the sections. */
- obj_textsec (abfd)->vma = N_TXTADDR (*execp);
- obj_datasec (abfd)->vma = N_DATADDR (*execp);
- obj_bsssec (abfd)->vma = N_BSSADDR (*execp);
+ obj_textsec (abfd)->vma = N_TXTADDR (execp);
+ obj_datasec (abfd)->vma = N_DATADDR (execp);
+ obj_bsssec (abfd)->vma = N_BSSADDR (execp);
/* The file offsets of the sections. */
- obj_textsec (abfd)->filepos = N_TXTOFF (*execp);
- obj_datasec (abfd)->filepos = N_DATOFF (*execp);
+ obj_textsec (abfd)->filepos = N_TXTOFF (execp);
+ obj_datasec (abfd)->filepos = N_DATOFF (execp);
/* The file offsets of the relocation info. */
- obj_textsec (abfd)->rel_filepos = N_TRELOFF (*execp);
- obj_datasec (abfd)->rel_filepos = N_DRELOFF (*execp);
+ obj_textsec (abfd)->rel_filepos = N_TRELOFF (execp);
+ obj_datasec (abfd)->rel_filepos = N_DRELOFF (execp);
/* The file offsets of the string table and symbol table. */
- obj_str_filepos (abfd) = N_STROFF (*execp);
- obj_sym_filepos (abfd) = N_SYMOFF (*execp);
+ obj_str_filepos (abfd) = N_STROFF (execp);
+ obj_sym_filepos (abfd) = N_SYMOFF (execp);
/* Determine the architecture and machine type of the object file. */
- switch (N_MACHTYPE (*exec_hdr (abfd)))
+ switch (N_MACHTYPE (exec_hdr (abfd)))
{
default:
abfd->obj_arch = bfd_arch_obscure;
|| machine == bfd_mach_sparc_v8plus
|| machine == bfd_mach_sparc_v8plusa
|| machine == bfd_mach_sparc_v8plusb
+ || machine == bfd_mach_sparc_v8plusc
+ || machine == bfd_mach_sparc_v8plusd
+ || machine == bfd_mach_sparc_v8pluse
+ || machine == bfd_mach_sparc_v8plusv
+ || machine == bfd_mach_sparc_v8plusm
|| machine == bfd_mach_sparc_v9
|| machine == bfd_mach_sparc_v9a
- || machine == bfd_mach_sparc_v9b)
+ || machine == bfd_mach_sparc_v9b
+ || machine == bfd_mach_sparc_v9c
+ || machine == bfd_mach_sparc_v9d
+ || machine == bfd_mach_sparc_v9e
+ || machine == bfd_mach_sparc_v9v
+ || machine == bfd_mach_sparc_v9m)
arch_flags = M_SPARC;
else if (machine == bfd_mach_sparc_sparclet)
arch_flags = M_SPARCLET;
case bfd_mach_mips16:
case bfd_mach_mipsisa32:
case bfd_mach_mipsisa32r2:
+ case bfd_mach_mipsisa32r3:
+ case bfd_mach_mipsisa32r5:
+ case bfd_mach_mipsisa32r6:
case bfd_mach_mips5:
case bfd_mach_mipsisa64:
case bfd_mach_mipsisa64r2:
+ case bfd_mach_mipsisa64r3:
+ case bfd_mach_mipsisa64r5:
+ case bfd_mach_mipsisa64r6:
case bfd_mach_mips_sb1:
case bfd_mach_mips_xlr:
/* FIXME: These should be MIPS3, MIPS4, MIPS16, MIPS32, etc. */
execp->a_text = obj_textsec (abfd)->size;
execp->a_data = obj_datasec (abfd)->size;
execp->a_bss = obj_bsssec (abfd)->size;
- N_SET_MAGIC (*execp, OMAGIC);
+ N_SET_MAGIC (execp, OMAGIC);
}
static void
if (ztih && (!abdp || (abdp && !abdp->exec_header_not_counted)))
execp->a_text += adata (abfd).exec_bytes_size;
if (obj_aout_subformat (abfd) == q_magic_format)
- N_SET_MAGIC (*execp, QMAGIC);
+ N_SET_MAGIC (execp, QMAGIC);
else
- N_SET_MAGIC (*execp, ZMAGIC);
+ N_SET_MAGIC (execp, ZMAGIC);
/* Spec says data section should be rounded up to page boundary. */
obj_datasec (abfd)->size
execp->a_text = obj_textsec (abfd)->size;
execp->a_data = obj_datasec (abfd)->size;
execp->a_bss = obj_bsssec (abfd)->size;
- N_SET_MAGIC (*execp, NMAGIC);
+ N_SET_MAGIC (execp, NMAGIC);
}
bfd_boolean
-NAME (aout, adjust_sizes_and_vmas) (bfd *abfd,
- bfd_size_type *text_size,
- file_ptr *text_end ATTRIBUTE_UNUSED)
+NAME (aout, adjust_sizes_and_vmas) (bfd *abfd)
{
struct internal_exec *execp = exec_hdr (abfd);
align_power (obj_textsec (abfd)->size,
obj_textsec (abfd)->alignment_power);
- *text_size = obj_textsec (abfd)->size;
/* Rule (heuristic) for when to pad to a new page. Note that there
are (at least) two ways demand-paged (ZMAGIC) files have been
handled. Most Berkeley-based systems start the text segment at
file_ptr offset,
bfd_size_type count)
{
- file_ptr text_end;
- bfd_size_type text_size;
-
if (! abfd->output_has_begun)
{
- if (! NAME (aout, adjust_sizes_and_vmas) (abfd, &text_size, &text_end))
+ if (! NAME (aout, adjust_sizes_and_vmas) (abfd))
return FALSE;
}
(section->vma - obj_textsec (abfd)->vma);
else
{
- (*_bfd_error_handler)
+ _bfd_error_handler
+ /* xgettext:c-format */
(_("%s: can not represent section `%s' in a.out object file format"),
bfd_get_filename (abfd), bfd_get_section_name (abfd, section));
bfd_set_error (bfd_error_nonrepresentable_section);
{
bfd_size_type count;
struct external_nlist *syms;
+ bfd_size_type amt = exec_hdr (abfd)->a_syms;
- count = exec_hdr (abfd)->a_syms / EXTERNAL_NLIST_SIZE;
+ count = amt / EXTERNAL_NLIST_SIZE;
if (count == 0)
return TRUE; /* Nothing to do. */
#ifdef USE_MMAP
- if (! bfd_get_file_window (abfd, obj_sym_filepos (abfd),
- exec_hdr (abfd)->a_syms,
+ if (! bfd_get_file_window (abfd, obj_sym_filepos (abfd), amt,
&obj_aout_sym_window (abfd), TRUE))
return FALSE;
syms = (struct external_nlist *) obj_aout_sym_window (abfd).data;
/* We allocate using malloc to make the values easy to free
later on. If we put them on the objalloc it might not be
possible to free them. */
- syms = (struct external_nlist *) bfd_malloc (count * EXTERNAL_NLIST_SIZE);
+ syms = (struct external_nlist *) bfd_malloc (amt);
if (syms == NULL)
return FALSE;
- {
- bfd_size_type amt;
- amt = exec_hdr (abfd)->a_syms;
- if (bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET) != 0
- || bfd_bread (syms, amt, abfd) != amt)
- {
- free (syms);
- return FALSE;
- }
- }
+ if (bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET) != 0
+ || bfd_bread (syms, amt, abfd) != amt)
+ {
+ free (syms);
+ return FALSE;
+ }
#endif
obj_aout_external_syms (abfd) = syms;
{
/* This case occurs, e.g., for the *DEBUG* section of a COFF
file. */
- (*_bfd_error_handler)
- (_("%s: can not represent section for symbol `%s' in a.out object file format"),
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%s: can not represent section for symbol `%s' in a.out "
+ "object file format"),
bfd_get_filename (abfd),
cache_ptr->name != NULL ? cache_ptr->name : _("*unknown*"));
bfd_set_error (bfd_error_nonrepresentable_section);
sym_pointer->e_type[0] |= N_TEXT;
else
{
- (*_bfd_error_handler)
+ _bfd_error_handler
+ /* xgettext:c-format */
(_("%s: can not represent section `%s' in a.out object file format"),
bfd_get_filename (abfd), bfd_get_section_name (abfd, sec));
bfd_set_error (bfd_error_nonrepresentable_section);
bfd_boolean
NAME (aout, find_nearest_line) (bfd *abfd,
- asection *section,
asymbol **symbols,
+ asection *section,
bfd_vma offset,
const char **filename_ptr,
const char **functionname_ptr,
- unsigned int *line_ptr)
+ unsigned int *line_ptr,
+ unsigned int *disriminator_ptr)
{
/* Run down the file looking for the filename, function and linenumber. */
asymbol **p;
char *buf;
*filename_ptr = abfd->filename;
- *functionname_ptr = 0;
+ *functionname_ptr = NULL;
*line_ptr = 0;
+ if (disriminator_ptr)
+ *disriminator_ptr = 0;
if (symbols != NULL)
{
*filename_ptr = main_file_name;
else
{
- sprintf (buf, "%s%s", directory_name, main_file_name);
- *filename_ptr = buf;
- buf += filelen + 1;
+ if (buf == NULL)
+ /* PR binutils/20891: In a corrupt input file both
+ main_file_name and directory_name can be empty... */
+ * filename_ptr = NULL;
+ else
+ {
+ snprintf (buf, filelen + 1, "%s%s", directory_name,
+ main_file_name);
+ *filename_ptr = buf;
+ buf += filelen + 1;
+ }
}
}
const char *function = func->name;
char *colon;
+ if (buf == NULL)
+ {
+ /* PR binutils/20892: In a corrupt input file func can be empty. */
+ * functionname_ptr = NULL;
+ return TRUE;
+ }
/* The caller expects a symbol name. We actually have a
function name, without the leading underscore. Put the
underscore back in, so that the caller gets a symbol name. */
if ((type & N_STAB) != 0)
continue;
+ /* PR 19629: Corrupt binaries can contain illegal string offsets. */
+ if (GET_WORD (abfd, p->e_strx) >= obj_aout_external_string_size (abfd))
+ return FALSE;
name = strings + GET_WORD (abfd, p->e_strx);
value = GET_WORD (abfd, p->e_value);
flags = BSF_GLOBAL;
which this one really is. */
BFD_ASSERT (p + 1 < pend);
++p;
+ /* PR 19629: Corrupt binaries can contain illegal string offsets. */
+ if (GET_WORD (abfd, p->e_strx) > obj_aout_external_string_size (abfd))
+ return FALSE;
string = strings + GET_WORD (abfd, p->e_strx);
section = bfd_ind_section_ptr;
flags |= BSF_INDIRECT;
return TRUE;
++p;
string = name;
+ /* PR 19629: Corrupt binaries can contain illegal string offsets. */
+ if (GET_WORD (abfd, p->e_strx) > obj_aout_external_string_size (abfd))
+ return FALSE;
name = strings + GET_WORD (abfd, p->e_strx);
section = bfd_und_section_ptr;
flags |= BSF_WARNING;
static bfd_boolean
aout_link_check_archive_element (bfd *abfd,
struct bfd_link_info *info,
+ struct bfd_link_hash_entry *h ATTRIBUTE_UNUSED,
+ const char *name ATTRIBUTE_UNUSED,
bfd_boolean *pneeded)
{
bfd *oldbfd;
}
else
{
- if (! ((*flaginfo->info->callbacks->unattached_reloc)
- (flaginfo->info, pr->u.name, NULL, NULL, (bfd_vma) 0)))
- return FALSE;
+ (*flaginfo->info->callbacks->unattached_reloc)
+ (flaginfo->info, pr->u.name, NULL, NULL, (bfd_vma) 0);
r_index = 0;
}
}
size = bfd_get_reloc_size (howto);
buf = (bfd_byte *) bfd_zmalloc (size);
- if (buf == NULL)
+ if (buf == NULL && size != 0)
return FALSE;
r = MY_relocate_contents (howto, flaginfo->output_bfd,
(bfd_vma) pr->addend, buf);
case bfd_reloc_outofrange:
abort ();
case bfd_reloc_overflow:
- if (! ((*flaginfo->info->callbacks->reloc_overflow)
- (flaginfo->info, NULL,
- (p->type == bfd_section_reloc_link_order
- ? bfd_section_name (flaginfo->output_bfd,
- pr->u.section)
- : pr->u.name),
- howto->name, pr->addend, NULL, NULL, (bfd_vma) 0)))
- {
- free (buf);
- return FALSE;
- }
+ (*flaginfo->info->callbacks->reloc_overflow)
+ (flaginfo->info, NULL,
+ (p->type == bfd_section_reloc_link_order
+ ? bfd_section_name (flaginfo->output_bfd,
+ pr->u.section)
+ : pr->u.name),
+ howto->name, pr->addend, NULL, NULL, (bfd_vma) 0);
break;
}
ok = bfd_set_section_contents (flaginfo->output_bfd, o, (void *) buf,
BFD_ASSERT (input_bfd->xvec->header_byteorder
== output_bfd->xvec->header_byteorder);
- relocatable = flaginfo->info->relocatable;
+ relocatable = bfd_link_relocatable (flaginfo->info);
syms = obj_aout_external_syms (input_bfd);
strings = obj_aout_external_strings (input_bfd);
sym_hashes = obj_aout_sym_hashes (input_bfd);
name = strings + GET_WORD (input_bfd,
syms[r_index].e_strx);
- if (! ((*flaginfo->info->callbacks->unattached_reloc)
- (flaginfo->info, name, input_bfd, input_section,
- r_addr)))
- return FALSE;
+ (*flaginfo->info->callbacks->unattached_reloc)
+ (flaginfo->info, name,
+ input_bfd, input_section, r_addr);
r_index = 0;
}
}
/* Now warn if a global symbol is undefined. We could not
do this earlier, because check_dynamic_reloc might want
to skip this reloc. */
- if (hundef && ! flaginfo->info->shared && ! r_baserel)
+ if (hundef && ! bfd_link_pic (flaginfo->info) && ! r_baserel)
{
const char *name;
name = h->root.root.string;
else
name = strings + GET_WORD (input_bfd, syms[r_index].e_strx);
- if (! ((*flaginfo->info->callbacks->undefined_symbol)
- (flaginfo->info, name, input_bfd, input_section,
- r_addr, TRUE)))
- return FALSE;
+ (*flaginfo->info->callbacks->undefined_symbol)
+ (flaginfo->info, name, input_bfd, input_section, r_addr, TRUE);
}
r = MY_final_link_relocate (howto,
s = aout_reloc_index_to_section (input_bfd, r_index);
name = bfd_section_name (input_bfd, s);
}
- if (! ((*flaginfo->info->callbacks->reloc_overflow)
- (flaginfo->info, (h ? &h->root : NULL), name,
- howto->name, (bfd_vma) 0, input_bfd,
- input_section, r_addr)))
- return FALSE;
+ (*flaginfo->info->callbacks->reloc_overflow)
+ (flaginfo->info, (h ? &h->root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section, r_addr);
}
break;
}
BFD_ASSERT (input_bfd->xvec->header_byteorder
== output_bfd->xvec->header_byteorder);
- relocatable = flaginfo->info->relocatable;
+ relocatable = bfd_link_relocatable (flaginfo->info);
syms = obj_aout_external_syms (input_bfd);
strings = obj_aout_external_strings (input_bfd);
sym_hashes = obj_aout_sym_hashes (input_bfd);
name = strings + GET_WORD (input_bfd,
syms[r_index].e_strx);
- if (! ((*flaginfo->info->callbacks->unattached_reloc)
- (flaginfo->info, name, input_bfd, input_section,
- r_addr)))
- return FALSE;
+ (*flaginfo->info->callbacks->unattached_reloc)
+ (flaginfo->info, name,
+ input_bfd, input_section, r_addr);
r_index = 0;
}
}
do this earlier, because check_dynamic_reloc might want
to skip this reloc. */
if (hundef
- && ! flaginfo->info->shared
+ && ! bfd_link_pic (flaginfo->info)
&& r_type != (unsigned int) RELOC_BASE10
&& r_type != (unsigned int) RELOC_BASE13
&& r_type != (unsigned int) RELOC_BASE22)
name = h->root.root.string;
else
name = strings + GET_WORD (input_bfd, syms[r_index].e_strx);
- if (! ((*flaginfo->info->callbacks->undefined_symbol)
- (flaginfo->info, name, input_bfd, input_section,
- r_addr, TRUE)))
- return FALSE;
+ (*flaginfo->info->callbacks->undefined_symbol)
+ (flaginfo->info, name, input_bfd, input_section, r_addr, TRUE);
}
if (r_type != (unsigned int) RELOC_SPARC_REV32)
s = aout_reloc_index_to_section (input_bfd, r_index);
name = bfd_section_name (input_bfd, s);
}
- if (! ((*flaginfo->info->callbacks->reloc_overflow)
- (flaginfo->info, (h ? &h->root : NULL), name,
- howto_table_ext[r_type].name,
- r_addend, input_bfd, input_section, r_addr)))
- return FALSE;
+ (*flaginfo->info->callbacks->reloc_overflow)
+ (flaginfo->info, (h ? &h->root : NULL), name,
+ howto_table_ext[r_type].name,
+ r_addend, input_bfd, input_section, r_addr);
}
break;
}
/* If we are producing relocatable output, the relocs were
modified, and we now write them out. */
- if (flaginfo->info->relocatable && rel_size > 0)
+ if (bfd_link_relocatable (flaginfo->info) && rel_size > 0)
{
if (bfd_seek (flaginfo->output_bfd, *reloff_ptr, SEEK_SET) != 0)
return FALSE;
/* Do the final link step. This is called on the output BFD. The
INFO structure should point to a list of BFDs linked through the
- link_next field which can be used to find each BFD which takes part
+ link.next field which can be used to find each BFD which takes part
in the output. Also, each section in ABFD should point to a list
of bfd_link_order structures which list all the input sections for
the output section. */
bfd_size_type max_contents_size;
bfd_size_type max_relocs_size;
bfd_size_type max_sym_count;
- bfd_size_type text_size;
- file_ptr text_end;
struct bfd_link_order *p;
asection *o;
bfd_boolean have_link_order_relocs;
- if (info->shared)
+ if (bfd_link_pic (info))
abfd->flags |= DYNAMIC;
aout_info.info = info;
max_contents_size = 0;
max_relocs_size = 0;
max_sym_count = 0;
- for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
+ for (sub = info->input_bfds; sub != NULL; sub = sub->link.next)
{
bfd_size_type sz;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
{
if (bfd_get_flavour (sub) == bfd_target_aout_flavour)
{
and call get_reloc_upper_bound and canonicalize_reloc to
work out the number of relocs needed, and then multiply
by the reloc size. */
- (*_bfd_error_handler)
+ _bfd_error_handler
+ /* xgettext:c-format */
(_("%s: relocatable link from %s to %s not supported"),
bfd_get_filename (abfd),
sub->xvec->name, abfd->xvec->name);
}
}
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
{
if (obj_textsec (abfd) != NULL)
trsize += (_bfd_count_link_order_relocs (obj_textsec (abfd)
/* Adjust the section sizes and vmas according to the magic number.
This sets a_text, a_data and a_bss in the exec_hdr and sets the
filepos for each section. */
- if (! NAME (aout, adjust_sizes_and_vmas) (abfd, &text_size, &text_end))
+ if (! NAME (aout, adjust_sizes_and_vmas) (abfd))
goto error_return;
/* The relocation and symbol file positions differ among a.out
We use the output_has_begun field of the input BFDs to see
whether we have already handled it. */
- for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
+ for (sub = info->input_bfds; sub != NULL; sub = sub->link.next)
sub->output_has_begun = FALSE;
/* Mark all sections which are to be included in the link. This
projects / deliverable / binutils-gdb.git / blobdiff