/* BFD backend for SunOS binaries.
Copyright 1990, 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+ 2001, 2002, 2003, 2004, 2005 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 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.
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#define TARGETNAME "a.out-sunos-big"
#include "bfdlink.h"
#include "libaout.h"
-/* Static routines defined in this file. */
-
-static bfd_boolean sunos_read_dynamic_info PARAMS ((bfd *));
-static long sunos_get_dynamic_symtab_upper_bound PARAMS ((bfd *));
-static bfd_boolean sunos_slurp_dynamic_symtab PARAMS ((bfd *));
-static long sunos_canonicalize_dynamic_symtab PARAMS ((bfd *, asymbol **));
-static long sunos_get_dynamic_reloc_upper_bound PARAMS ((bfd *));
-static long sunos_canonicalize_dynamic_reloc
- PARAMS ((bfd *, arelent **, asymbol **));
-static struct bfd_hash_entry *sunos_link_hash_newfunc
- PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
-static struct bfd_link_hash_table *sunos_link_hash_table_create
- PARAMS ((bfd *));
-static bfd_boolean sunos_create_dynamic_sections
- PARAMS ((bfd *, struct bfd_link_info *, bfd_boolean));
-static bfd_boolean sunos_add_dynamic_symbols
- PARAMS ((bfd *, struct bfd_link_info *, struct external_nlist **,
- bfd_size_type *, char **));
-static bfd_boolean sunos_add_one_symbol
- PARAMS ((struct bfd_link_info *, bfd *, const char *, flagword, asection *,
- bfd_vma, const char *, bfd_boolean, bfd_boolean,
- struct bfd_link_hash_entry **));
-static bfd_boolean sunos_scan_relocs
- PARAMS ((struct bfd_link_info *, bfd *, asection *, bfd_size_type));
-static bfd_boolean sunos_scan_std_relocs
- PARAMS ((struct bfd_link_info *, bfd *, asection *,
- const struct reloc_std_external *, bfd_size_type));
-static bfd_boolean sunos_scan_ext_relocs
- PARAMS ((struct bfd_link_info *, bfd *, asection *,
- const struct reloc_ext_external *, bfd_size_type));
-static bfd_boolean sunos_link_dynamic_object
- PARAMS ((struct bfd_link_info *, bfd *));
-static bfd_boolean sunos_write_dynamic_symbol
- PARAMS ((bfd *, struct bfd_link_info *, struct aout_link_hash_entry *));
-static bfd_boolean sunos_check_dynamic_reloc
- PARAMS ((struct bfd_link_info *, bfd *, asection *,
- struct aout_link_hash_entry *, PTR, bfd_byte *, bfd_boolean *,
- bfd_vma *));
-static bfd_boolean sunos_finish_dynamic_link
- PARAMS ((bfd *, struct bfd_link_info *));
-
-#define MY_get_dynamic_symtab_upper_bound sunos_get_dynamic_symtab_upper_bound
-#define MY_canonicalize_dynamic_symtab sunos_canonicalize_dynamic_symtab
-#define MY_get_synthetic_symtab _bfd_nodynamic_get_synthetic_symtab
-#define MY_get_dynamic_reloc_upper_bound sunos_get_dynamic_reloc_upper_bound
-#define MY_canonicalize_dynamic_reloc sunos_canonicalize_dynamic_reloc
-#define MY_bfd_link_hash_table_create sunos_link_hash_table_create
-#define MY_add_dynamic_symbols sunos_add_dynamic_symbols
-#define MY_add_one_symbol sunos_add_one_symbol
-#define MY_link_dynamic_object sunos_link_dynamic_object
-#define MY_write_dynamic_symbol sunos_write_dynamic_symbol
-#define MY_check_dynamic_reloc sunos_check_dynamic_reloc
-#define MY_finish_dynamic_link sunos_finish_dynamic_link
-
/* ??? Where should this go? */
#define MACHTYPE_OK(mtype) \
(((mtype) == M_SPARC && bfd_lookup_arch (bfd_arch_sparc, 0) != NULL) \
|| (((mtype) == M_UNKNOWN || (mtype) == M_68010 || (mtype) == M_68020) \
&& bfd_lookup_arch (bfd_arch_m68k, 0) != NULL))
+#define MY_get_dynamic_symtab_upper_bound sunos_get_dynamic_symtab_upper_bound
+#define MY_canonicalize_dynamic_symtab sunos_canonicalize_dynamic_symtab
+#define MY_get_synthetic_symtab _bfd_nodynamic_get_synthetic_symtab
+#define MY_get_dynamic_reloc_upper_bound sunos_get_dynamic_reloc_upper_bound
+#define MY_canonicalize_dynamic_reloc sunos_canonicalize_dynamic_reloc
+#define MY_bfd_link_hash_table_create sunos_link_hash_table_create
+#define MY_add_dynamic_symbols sunos_add_dynamic_symbols
+#define MY_add_one_symbol sunos_add_one_symbol
+#define MY_link_dynamic_object sunos_link_dynamic_object
+#define MY_write_dynamic_symbol sunos_write_dynamic_symbol
+#define MY_check_dynamic_reloc sunos_check_dynamic_reloc
+#define MY_finish_dynamic_link sunos_finish_dynamic_link
+
+static bfd_boolean sunos_add_dynamic_symbols (bfd *, struct bfd_link_info *, struct external_nlist **, bfd_size_type *, char **);
+static bfd_boolean sunos_add_one_symbol (struct bfd_link_info *, bfd *, const char *, flagword, asection *, bfd_vma, const char *, bfd_boolean, bfd_boolean, struct bfd_link_hash_entry **);
+static bfd_boolean sunos_link_dynamic_object (struct bfd_link_info *, bfd *);
+static bfd_boolean sunos_write_dynamic_symbol (bfd *, struct bfd_link_info *, struct aout_link_hash_entry *);
+static bfd_boolean sunos_check_dynamic_reloc (struct bfd_link_info *, bfd *, asection *, struct aout_link_hash_entry *, void *, bfd_byte *, bfd_boolean *, bfd_vma *);
+static bfd_boolean sunos_finish_dynamic_link (bfd *, struct bfd_link_info *);
+static struct bfd_link_hash_table *sunos_link_hash_table_create (bfd *);
+static long sunos_get_dynamic_symtab_upper_bound (bfd *);
+static long sunos_canonicalize_dynamic_symtab (bfd *, asymbol **);
+static long sunos_get_dynamic_reloc_upper_bound (bfd *);
+static long sunos_canonicalize_dynamic_reloc (bfd *, arelent **, asymbol **);
+
/* Include the usual a.out support. */
#include "aoutf1.h"
unsigned long dynrel_count;
/* Read in dynamic relocs. This may be reloc_std_external or
reloc_ext_external. */
- PTR dynrel;
+ void * dynrel;
/* arelent structures for dynamic relocs. */
arelent *canonical_dynrel;
};
structure to FALSE to avoid doing this work again. */
static bfd_boolean
-sunos_read_dynamic_info (abfd)
- bfd *abfd;
+sunos_read_dynamic_info (bfd *abfd)
{
struct sunos_dynamic_info *info;
asection *dynsec;
struct external_sun4_dynamic_link linkinfo;
bfd_size_type amt;
- if (obj_aout_dynamic_info (abfd) != (PTR) NULL)
+ if (obj_aout_dynamic_info (abfd) != NULL)
return TRUE;
if ((abfd->flags & DYNAMIC) == 0)
}
amt = sizeof (struct sunos_dynamic_info);
- info = (struct sunos_dynamic_info *) bfd_zalloc (abfd, amt);
+ info = bfd_zalloc (abfd, amt);
if (!info)
return FALSE;
info->valid = FALSE;
info->canonical_dynsym = NULL;
info->dynrel = NULL;
info->canonical_dynrel = NULL;
- obj_aout_dynamic_info (abfd) = (PTR) info;
+ obj_aout_dynamic_info (abfd) = (void *) info;
/* This code used to look for the __DYNAMIC symbol to locate the dynamic
linking information.
symbols for the __DYNAMIC symbol. */
if ((abfd->flags & DYNAMIC) == 0)
return TRUE;
- if (! bfd_get_section_contents (abfd, obj_datasec (abfd), (PTR) &dyninfo,
+ if (! bfd_get_section_contents (abfd, obj_datasec (abfd), (void *) &dyninfo,
(file_ptr) 0,
(bfd_size_type) sizeof dyninfo))
return TRUE;
/* This executable appears to be dynamically linked in a way that we
can understand. */
- if (! bfd_get_section_contents (abfd, dynsec, (PTR) &linkinfo,
+ if (! bfd_get_section_contents (abfd, dynsec, (void *) &linkinfo,
(file_ptr) dynoff,
(bfd_size_type) sizeof linkinfo))
return TRUE;
/* Return the amount of memory required for the dynamic symbols. */
static long
-sunos_get_dynamic_symtab_upper_bound (abfd)
- bfd *abfd;
+sunos_get_dynamic_symtab_upper_bound (bfd *abfd)
{
struct sunos_dynamic_info *info;
/* Read the external dynamic symbols. */
static bfd_boolean
-sunos_slurp_dynamic_symtab (abfd)
- bfd *abfd;
+sunos_slurp_dynamic_symtab (bfd *abfd)
{
struct sunos_dynamic_info *info;
bfd_size_type amt;
}
/* Get the dynamic nlist structures. */
- if (info->dynsym == (struct external_nlist *) NULL)
+ if (info->dynsym == NULL)
{
amt = (bfd_size_type) info->dynsym_count * EXTERNAL_NLIST_SIZE;
- info->dynsym = (struct external_nlist *) bfd_alloc (abfd, amt);
+ info->dynsym = bfd_alloc (abfd, amt);
if (info->dynsym == NULL && info->dynsym_count != 0)
return FALSE;
if (bfd_seek (abfd, (file_ptr) info->dyninfo.ld_stab, SEEK_SET) != 0
- || bfd_bread ((PTR) info->dynsym, amt, abfd) != amt)
+ || bfd_bread ((void *) info->dynsym, amt, abfd) != amt)
{
if (info->dynsym != NULL)
{
}
/* Get the dynamic strings. */
- if (info->dynstr == (char *) NULL)
+ if (info->dynstr == NULL)
{
amt = info->dyninfo.ld_symb_size;
- info->dynstr = (char *) bfd_alloc (abfd, amt);
+ info->dynstr = bfd_alloc (abfd, amt);
if (info->dynstr == NULL && info->dyninfo.ld_symb_size != 0)
return FALSE;
if (bfd_seek (abfd, (file_ptr) info->dyninfo.ld_symbols, SEEK_SET) != 0
- || bfd_bread ((PTR) info->dynstr, amt, abfd) != amt)
+ || bfd_bread ((void *) info->dynstr, amt, abfd) != amt)
{
if (info->dynstr != NULL)
{
/* Read in the dynamic symbols. */
static long
-sunos_canonicalize_dynamic_symtab (abfd, storage)
- bfd *abfd;
- asymbol **storage;
+sunos_canonicalize_dynamic_symtab (bfd *abfd, asymbol **storage)
{
struct sunos_dynamic_info *info;
unsigned long i;
if (info->dyninfo.ld_buckets > info->dynsym_count)
abort ();
table_size = info->dyninfo.ld_stab - info->dyninfo.ld_hash;
- table = (bfd_byte *) bfd_malloc (table_size);
+ table = bfd_malloc (table_size);
if (table == NULL && table_size != 0)
abort ();
if (bfd_seek (abfd, (file_ptr) info->dyninfo.ld_hash, SEEK_SET) != 0
- || bfd_bread ((PTR) table, table_size, abfd) != table_size)
+ || bfd_bread ((void *) table, table_size, abfd) != table_size)
abort ();
for (i = 0; i < info->dynsym_count; i++)
{
/* Get the asymbol structures corresponding to the dynamic nlist
structures. */
- if (info->canonical_dynsym == (aout_symbol_type *) NULL)
+ if (info->canonical_dynsym == NULL)
{
bfd_size_type size;
bfd_size_type strsize = info->dyninfo.ld_symb_size;
size = (bfd_size_type) info->dynsym_count * sizeof (aout_symbol_type);
- info->canonical_dynsym = (aout_symbol_type *) bfd_alloc (abfd, size);
+ info->canonical_dynsym = bfd_alloc (abfd, size);
if (info->canonical_dynsym == NULL && info->dynsym_count != 0)
return -1;
/* Return the amount of memory required for the dynamic relocs. */
static long
-sunos_get_dynamic_reloc_upper_bound (abfd)
- bfd *abfd;
+sunos_get_dynamic_reloc_upper_bound (bfd *abfd)
{
struct sunos_dynamic_info *info;
/* Read in the dynamic relocs. */
static long
-sunos_canonicalize_dynamic_reloc (abfd, storage, syms)
- bfd *abfd;
- arelent **storage;
- asymbol **syms;
+sunos_canonicalize_dynamic_reloc (bfd *abfd, arelent **storage, asymbol **syms)
{
struct sunos_dynamic_info *info;
unsigned long i;
bfd_size_type size;
/* Get the general dynamic information. */
- if (obj_aout_dynamic_info (abfd) == (PTR) NULL)
+ if (obj_aout_dynamic_info (abfd) == NULL)
{
if (! sunos_read_dynamic_info (abfd))
return -1;
if (info->dynrel == NULL)
{
size = (bfd_size_type) info->dynrel_count * obj_reloc_entry_size (abfd);
- info->dynrel = (PTR) bfd_alloc (abfd, size);
+ info->dynrel = bfd_alloc (abfd, size);
if (info->dynrel == NULL && size != 0)
return -1;
if (bfd_seek (abfd, (file_ptr) info->dyninfo.ld_rel, SEEK_SET) != 0
- || bfd_bread ((PTR) info->dynrel, size, abfd) != size)
+ || bfd_bread ((void *) info->dynrel, size, abfd) != size)
{
if (info->dynrel != NULL)
{
/* Get the arelent structures corresponding to the dynamic reloc
information. */
- if (info->canonical_dynrel == (arelent *) NULL)
+ if (info->canonical_dynrel == NULL)
{
arelent *to;
size = (bfd_size_type) info->dynrel_count * sizeof (arelent);
- info->canonical_dynrel = (arelent *) bfd_alloc (abfd, size);
+ info->canonical_dynrel = bfd_alloc (abfd, size);
if (info->canonical_dynrel == NULL && info->dynrel_count != 0)
return -1;
if (obj_reloc_entry_size (abfd) == RELOC_EXT_SIZE)
{
- register struct reloc_ext_external *p;
+ struct reloc_ext_external *p;
struct reloc_ext_external *pend;
p = (struct reloc_ext_external *) info->dynrel;
pend = p + info->dynrel_count;
for (; p < pend; p++, to++)
- NAME(aout,swap_ext_reloc_in) (abfd, p, to, syms,
- (bfd_size_type) info->dynsym_count);
+ NAME (aout, swap_ext_reloc_in) (abfd, p, to, syms,
+ (bfd_size_type) info->dynsym_count);
}
else
{
- register struct reloc_std_external *p;
+ struct reloc_std_external *p;
struct reloc_std_external *pend;
p = (struct reloc_std_external *) info->dynrel;
pend = p + info->dynrel_count;
for (; p < pend; p++, to++)
- NAME(aout,swap_std_reloc_in) (abfd, p, to, syms,
- (bfd_size_type) info->dynsym_count);
+ NAME (aout, swap_std_reloc_in) (abfd, p, to, syms,
+ (bfd_size_type) info->dynsym_count);
}
}
/* Routine to create an entry in an SunOS link hash table. */
static struct bfd_hash_entry *
-sunos_link_hash_newfunc (entry, table, string)
- struct bfd_hash_entry *entry;
- struct bfd_hash_table *table;
- const char *string;
+sunos_link_hash_newfunc (struct bfd_hash_entry *entry,
+ struct bfd_hash_table *table,
+ const char *string)
{
struct sunos_link_hash_entry *ret = (struct sunos_link_hash_entry *) entry;
/* Allocate the structure if it has not already been allocated by a
subclass. */
- if (ret == (struct sunos_link_hash_entry *) NULL)
- ret = ((struct sunos_link_hash_entry *)
- bfd_hash_allocate (table, sizeof (struct sunos_link_hash_entry)));
- if (ret == (struct sunos_link_hash_entry *) NULL)
- return (struct bfd_hash_entry *) ret;
+ if (ret == NULL)
+ ret = bfd_hash_allocate (table, sizeof (* ret));
+ if (ret == NULL)
+ return NULL;
/* Call the allocation method of the superclass. */
ret = ((struct sunos_link_hash_entry *)
- NAME(aout,link_hash_newfunc) ((struct bfd_hash_entry *) ret,
- table, string));
+ NAME (aout, link_hash_newfunc) ((struct bfd_hash_entry *) ret,
+ table, string));
if (ret != NULL)
{
/* Set local fields. */
/* Create a SunOS link hash table. */
static struct bfd_link_hash_table *
-sunos_link_hash_table_create (abfd)
- bfd *abfd;
+sunos_link_hash_table_create (bfd *abfd)
{
struct sunos_link_hash_table *ret;
bfd_size_type amt = sizeof (struct sunos_link_hash_table);
- ret = (struct sunos_link_hash_table *) bfd_malloc (amt);
- if (ret == (struct sunos_link_hash_table *) NULL)
- return (struct bfd_link_hash_table *) NULL;
- if (! NAME(aout,link_hash_table_init) (&ret->root, abfd,
- sunos_link_hash_newfunc))
+ ret = bfd_malloc (amt);
+ if (ret == NULL)
+ return NULL;
+ if (! NAME (aout, link_hash_table_init) (&ret->root, abfd,
+ sunos_link_hash_newfunc))
{
free (ret);
- return (struct bfd_link_hash_table *) NULL;
+ return NULL;
}
ret->dynobj = NULL;
#define sunos_link_hash_traverse(table, func, info) \
(aout_link_hash_traverse \
(&(table)->root, \
- (bfd_boolean (*) PARAMS ((struct aout_link_hash_entry *, PTR))) (func), \
+ (bfd_boolean (*) (struct aout_link_hash_entry *, void *)) (func), \
(info)))
/* Get the SunOS link hash table from the info structure. This is
#define sunos_hash_table(p) ((struct sunos_link_hash_table *) ((p)->hash))
-static bfd_boolean sunos_scan_dynamic_symbol
- PARAMS ((struct sunos_link_hash_entry *, PTR));
-
/* Create the dynamic sections needed if we are linking against a
dynamic object, or if we are linking PIC compiled code. ABFD is a
bfd we can attach the dynamic sections to. The linker script will
of the dynamic linking information. */
static bfd_boolean
-sunos_create_dynamic_sections (abfd, info, needed)
- bfd *abfd;
- struct bfd_link_info *info;
- bfd_boolean needed;
+sunos_create_dynamic_sections (bfd *abfd,
+ struct bfd_link_info *info,
+ bfd_boolean needed)
{
asection *s;
backend linker for each object it encounters. */
static bfd_boolean
-sunos_add_dynamic_symbols (abfd, info, symsp, sym_countp, stringsp)
- bfd *abfd;
- struct bfd_link_info *info;
- struct external_nlist **symsp;
- bfd_size_type *sym_countp;
- char **stringsp;
+sunos_add_dynamic_symbols (bfd *abfd,
+ struct bfd_link_info *info,
+ struct external_nlist **symsp,
+ bfd_size_type *sym_countp,
+ char **stringsp)
{
bfd *dynobj;
struct sunos_dynamic_info *dinfo;
/* For the format of an ld_need entry, see aout/sun4.h. We
should probably define structs for this manipulation. */
-
name = bfd_get_32 (abfd, buf);
flags = bfd_get_32 (abfd, buf + 4);
major_vno = (unsigned short) bfd_get_16 (abfd, buf + 8);
need = bfd_get_32 (abfd, buf + 12);
alc = sizeof (struct bfd_link_needed_list);
- needed = (struct bfd_link_needed_list *) bfd_alloc (abfd, alc);
+ needed = bfd_alloc (abfd, alc);
if (needed == NULL)
return FALSE;
needed->by = abfd;
/* We return the name as [-l]name[.maj][.min]. */
alc = 30;
- namebuf = (char *) bfd_malloc (alc + 1);
+ namebuf = bfd_malloc (alc + 1);
if (namebuf == NULL)
return FALSE;
p = namebuf;
char *n;
alc *= 2;
- n = (char *) bfd_realloc (namebuf, alc + 1);
+ n = bfd_realloc (namebuf, alc + 1);
if (n == NULL)
{
free (namebuf);
char *n;
alc = (p - namebuf) + strlen (majbuf) + strlen (minbuf);
- n = (char *) bfd_realloc (namebuf, alc + 1);
+ n = bfd_realloc (namebuf, alc + 1);
if (n == NULL)
{
free (namebuf);
tweaking needed for dynamic linking support. */
static bfd_boolean
-sunos_add_one_symbol (info, abfd, name, flags, section, value, string,
- copy, collect, hashp)
- struct bfd_link_info *info;
- bfd *abfd;
- const char *name;
- flagword flags;
- asection *section;
- bfd_vma value;
- const char *string;
- bfd_boolean copy;
- bfd_boolean collect;
- struct bfd_link_hash_entry **hashp;
+sunos_add_one_symbol (struct bfd_link_info *info,
+ bfd *abfd,
+ const char *name,
+ flagword flags,
+ asection *section,
+ bfd_vma value,
+ const char *string,
+ bfd_boolean copy,
+ bfd_boolean collect,
+ struct bfd_link_hash_entry **hashp)
{
struct sunos_link_hash_entry *h;
int new_flag;
if ((abfd->flags & DYNAMIC) != 0
&& abfd->xvec == info->hash->creator
&& (h->flags & SUNOS_CONSTRUCTOR) != 0)
- {
- /* The existing symbol is a constructor symbol, and this symbol
- is from a dynamic object. A constructor symbol is actually a
- definition, although the type will be bfd_link_hash_undefined
- at this point. We want to ignore the definition from the
- dynamic object. */
- section = bfd_und_section_ptr;
- }
+ /* The existing symbol is a constructor symbol, and this symbol
+ is from a dynamic object. A constructor symbol is actually a
+ definition, although the type will be bfd_link_hash_undefined
+ at this point. We want to ignore the definition from the
+ dynamic object. */
+ section = bfd_und_section_ptr;
else if ((flags & BSF_CONSTRUCTOR) != 0
&& (abfd->flags & DYNAMIC) == 0
&& h->root.root.type == bfd_link_hash_defined
&& h->root.root.u.def.section->owner != NULL
&& (h->root.root.u.def.section->owner->flags & DYNAMIC) != 0)
- {
- /* The existing symbol is defined by a dynamic object, and this
- is a constructor symbol. As above, we want to force the use
- of the constructor symbol from the regular object. */
- h->root.root.type = bfd_link_hash_new;
- }
+ /* The existing symbol is defined by a dynamic object, and this
+ is a constructor symbol. As above, we want to force the use
+ of the constructor symbol from the regular object. */
+ h->root.root.type = bfd_link_hash_new;
/* Do the usual procedure for adding a symbol. */
if (! _bfd_generic_link_add_one_symbol (info, abfd, name, flags, section,
return TRUE;
}
+extern const bfd_target MY (vec);
+
/* Return the list of objects needed by BFD. */
struct bfd_link_needed_list *
-bfd_sunos_get_needed_list (abfd, info)
- bfd *abfd ATTRIBUTE_UNUSED;
- struct bfd_link_info *info;
+bfd_sunos_get_needed_list (bfd *abfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info)
{
- if (info->hash->creator != &MY(vec))
+ if (info->hash->creator != &MY (vec))
return NULL;
return sunos_hash_table (info)->needed;
}
this in case some dynamic object refers to this symbol. */
bfd_boolean
-bfd_sunos_record_link_assignment (output_bfd, info, name)
- bfd *output_bfd;
- struct bfd_link_info *info;
- const char *name;
+bfd_sunos_record_link_assignment (bfd *output_bfd,
+ struct bfd_link_info *info,
+ const char *name)
{
struct sunos_link_hash_entry *h;
return TRUE;
}
-/* Set up the sizes and contents of the dynamic sections created in
- sunos_add_dynamic_symbols. This is called by the SunOS linker
- emulation before_allocation routine. We must set the sizes of the
- sections before the linker sets the addresses of the various
- sections. This unfortunately requires reading all the relocs so
- that we can work out which ones need to become dynamic relocs. If
- info->keep_memory is TRUE, we keep the relocs in memory; otherwise,
- we discard them, and will read them again later. */
+/* Scan the relocs for an input section using standard relocs. We
+ need to figure out what to do for each reloc against a dynamic
+ symbol. If the symbol is in the .text section, an entry is made in
+ the procedure linkage table. Note that this will do the wrong
+ thing if the symbol is actually data; I don't think the Sun 3
+ native linker handles this case correctly either. If the symbol is
+ not in the .text section, we must preserve the reloc as a dynamic
+ reloc. FIXME: We should also handle the PIC relocs here by
+ building global offset table entries. */
-bfd_boolean
-bfd_sunos_size_dynamic_sections (output_bfd, info, sdynptr, sneedptr,
- srulesptr)
- bfd *output_bfd;
- struct bfd_link_info *info;
- asection **sdynptr;
- asection **sneedptr;
- asection **srulesptr;
+static bfd_boolean
+sunos_scan_std_relocs (struct bfd_link_info *info,
+ bfd *abfd,
+ asection *sec ATTRIBUTE_UNUSED,
+ const struct reloc_std_external *relocs,
+ bfd_size_type rel_size)
{
bfd *dynobj;
- bfd_size_type dynsymcount;
- struct sunos_link_hash_entry *h;
- asection *s;
- size_t bucketcount;
- bfd_size_type hashalloc;
- size_t i;
- bfd *sub;
-
- *sdynptr = NULL;
- *sneedptr = NULL;
- *srulesptr = NULL;
-
- if (info->relocatable)
- return TRUE;
-
- if (output_bfd->xvec != &MY(vec))
- return TRUE;
+ asection *splt = NULL;
+ asection *srel = NULL;
+ struct sunos_link_hash_entry **sym_hashes;
+ const struct reloc_std_external *rel, *relend;
- /* Look through all the input BFD's and read their relocs. It would
- be better if we didn't have to do this, but there is no other way
- to determine the number of dynamic relocs we need, and, more
- importantly, there is no other way to know which symbols should
- get an entry in the procedure linkage table. */
- for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
+ /* We only know how to handle m68k plt entries. */
+ if (bfd_get_arch (abfd) != bfd_arch_m68k)
{
- if ((sub->flags & DYNAMIC) == 0
- && sub->xvec == output_bfd->xvec)
- {
- if (! sunos_scan_relocs (info, sub, obj_textsec (sub),
- exec_hdr (sub)->a_trsize)
- || ! sunos_scan_relocs (info, sub, obj_datasec (sub),
- exec_hdr (sub)->a_drsize))
- return FALSE;
- }
+ bfd_set_error (bfd_error_invalid_target);
+ return FALSE;
}
- dynobj = sunos_hash_table (info)->dynobj;
- dynsymcount = sunos_hash_table (info)->dynsymcount;
+ dynobj = NULL;
- /* If there were no dynamic objects in the link, and we don't need
- to build a global offset table, there is nothing to do here. */
- if (! sunos_hash_table (info)->dynamic_sections_needed
- && ! sunos_hash_table (info)->got_needed)
- return TRUE;
+ sym_hashes = (struct sunos_link_hash_entry **) obj_aout_sym_hashes (abfd);
- /* If __GLOBAL_OFFSET_TABLE_ was mentioned, define it. */
- h = sunos_link_hash_lookup (sunos_hash_table (info),
- "__GLOBAL_OFFSET_TABLE_", FALSE, FALSE, FALSE);
- if (h != NULL && (h->flags & SUNOS_REF_REGULAR) != 0)
+ relend = relocs + rel_size / RELOC_STD_SIZE;
+ for (rel = relocs; rel < relend; rel++)
{
- h->flags |= SUNOS_DEF_REGULAR;
- if (h->dynindx == -1)
+ int r_index;
+ struct sunos_link_hash_entry *h;
+
+ /* We only want relocs against external symbols. */
+ if (bfd_header_big_endian (abfd))
{
- ++sunos_hash_table (info)->dynsymcount;
- h->dynindx = -2;
+ if ((rel->r_type[0] & RELOC_STD_BITS_EXTERN_BIG) == 0)
+ continue;
}
- h->root.root.type = bfd_link_hash_defined;
- h->root.root.u.def.section = bfd_get_section_by_name (dynobj, ".got");
-
- /* If the .got section is more than 0x1000 bytes, we set
- __GLOBAL_OFFSET_TABLE_ to be 0x1000 bytes into the section,
- so that 13 bit relocations have a greater chance of working. */
- s = bfd_get_section_by_name (dynobj, ".got");
- BFD_ASSERT (s != NULL);
- if (s->size >= 0x1000)
- h->root.root.u.def.value = 0x1000;
else
- h->root.root.u.def.value = 0;
-
- sunos_hash_table (info)->got_base = h->root.root.u.def.value;
- }
-
- /* If there are any shared objects in the link, then we need to set
- up the dynamic linking information. */
- if (sunos_hash_table (info)->dynamic_sections_needed)
- {
- *sdynptr = bfd_get_section_by_name (dynobj, ".dynamic");
-
- /* The .dynamic section is always the same size. */
- s = *sdynptr;
- BFD_ASSERT (s != NULL);
- s->size = (sizeof (struct external_sun4_dynamic)
- + EXTERNAL_SUN4_DYNAMIC_DEBUGGER_SIZE
- + sizeof (struct external_sun4_dynamic_link));
-
- /* Set the size of the .dynsym and .hash sections. We counted
- the number of dynamic symbols as we read the input files. We
- will build the dynamic symbol table (.dynsym) and the hash
- table (.hash) when we build the final symbol table, because
- until then we do not know the correct value to give the
- symbols. We build the dynamic symbol string table (.dynstr)
- in a traversal of the symbol table using
- sunos_scan_dynamic_symbol. */
- s = bfd_get_section_by_name (dynobj, ".dynsym");
- BFD_ASSERT (s != NULL);
- s->size = dynsymcount * sizeof (struct external_nlist);
- s->contents = (bfd_byte *) bfd_alloc (output_bfd, s->size);
- if (s->contents == NULL && s->size != 0)
- return FALSE;
+ {
+ if ((rel->r_type[0] & RELOC_STD_BITS_EXTERN_LITTLE) == 0)
+ continue;
+ }
- /* The number of buckets is just the number of symbols divided
- by four. To compute the final size of the hash table, we
- must actually compute the hash table. Normally we need
- exactly as many entries in the hash table as there are
- dynamic symbols, but if some of the buckets are not used we
- will need additional entries. In the worst case, every
- symbol will hash to the same bucket, and we will need
- BUCKETCOUNT - 1 extra entries. */
- if (dynsymcount >= 4)
- bucketcount = dynsymcount / 4;
- else if (dynsymcount > 0)
- bucketcount = dynsymcount;
+ /* Get the symbol index. */
+ if (bfd_header_big_endian (abfd))
+ r_index = ((rel->r_index[0] << 16)
+ | (rel->r_index[1] << 8)
+ | rel->r_index[2]);
else
- bucketcount = 1;
- s = bfd_get_section_by_name (dynobj, ".hash");
- BFD_ASSERT (s != NULL);
- hashalloc = (dynsymcount + bucketcount - 1) * HASH_ENTRY_SIZE;
- s->contents = (bfd_byte *) bfd_zalloc (dynobj, hashalloc);
- if (s->contents == NULL && dynsymcount > 0)
- return FALSE;
- for (i = 0; i < bucketcount; i++)
- PUT_WORD (output_bfd, (bfd_vma) -1, s->contents + i * HASH_ENTRY_SIZE);
- s->size = bucketcount * HASH_ENTRY_SIZE;
+ r_index = ((rel->r_index[2] << 16)
+ | (rel->r_index[1] << 8)
+ | rel->r_index[0]);
- sunos_hash_table (info)->bucketcount = bucketcount;
+ /* Get the hash table entry. */
+ h = sym_hashes[r_index];
+ if (h == NULL)
+ /* This should not normally happen, but it will in any case
+ be caught in the relocation phase. */
+ continue;
- /* Scan all the symbols, place them in the dynamic symbol table,
- and build the dynamic hash table. We reuse dynsymcount as a
- counter for the number of symbols we have added so far. */
- sunos_hash_table (info)->dynsymcount = 0;
- sunos_link_hash_traverse (sunos_hash_table (info),
- sunos_scan_dynamic_symbol,
- (PTR) info);
- BFD_ASSERT (sunos_hash_table (info)->dynsymcount == dynsymcount);
+ /* At this point common symbols have already been allocated, so
+ we don't have to worry about them. We need to consider that
+ we may have already seen this symbol and marked it undefined;
+ if the symbol is really undefined, then SUNOS_DEF_DYNAMIC
+ will be zero. */
+ if (h->root.root.type != bfd_link_hash_defined
+ && h->root.root.type != bfd_link_hash_defweak
+ && h->root.root.type != bfd_link_hash_undefined)
+ continue;
- /* The SunOS native linker seems to align the total size of the
- symbol strings to a multiple of 8. I don't know if this is
- important, but it can't hurt much. */
- s = bfd_get_section_by_name (dynobj, ".dynstr");
- BFD_ASSERT (s != NULL);
- if ((s->size & 7) != 0)
+ if ((h->flags & SUNOS_DEF_DYNAMIC) == 0
+ || (h->flags & SUNOS_DEF_REGULAR) != 0)
+ continue;
+
+ if (dynobj == NULL)
{
- bfd_size_type add;
- bfd_byte *contents;
+ asection *sgot;
- add = 8 - (s->size & 7);
- contents = (bfd_byte *) bfd_realloc (s->contents,
- s->size + add);
- if (contents == NULL)
+ if (! sunos_create_dynamic_sections (abfd, info, FALSE))
return FALSE;
- memset (contents + s->size, 0, (size_t) add);
- s->contents = contents;
- s->size += add;
+ dynobj = sunos_hash_table (info)->dynobj;
+ splt = bfd_get_section_by_name (dynobj, ".plt");
+ srel = bfd_get_section_by_name (dynobj, ".dynrel");
+ BFD_ASSERT (splt != NULL && srel != NULL);
+
+ sgot = bfd_get_section_by_name (dynobj, ".got");
+ BFD_ASSERT (sgot != NULL);
+ if (sgot->size == 0)
+ sgot->size = BYTES_IN_WORD;
+ sunos_hash_table (info)->got_needed = TRUE;
}
- }
- /* Now that we have worked out the sizes of the procedure linkage
- table and the dynamic relocs, allocate storage for them. */
- s = bfd_get_section_by_name (dynobj, ".plt");
- BFD_ASSERT (s != NULL);
- if (s->size != 0)
- {
- s->contents = (bfd_byte *) bfd_alloc (dynobj, s->size);
- if (s->contents == NULL)
- return FALSE;
+ BFD_ASSERT ((h->flags & SUNOS_REF_REGULAR) != 0);
+ BFD_ASSERT (h->plt_offset != 0
+ || ((h->root.root.type == bfd_link_hash_defined
+ || h->root.root.type == bfd_link_hash_defweak)
+ ? (h->root.root.u.def.section->owner->flags
+ & DYNAMIC) != 0
+ : (h->root.root.u.undef.abfd->flags & DYNAMIC) != 0));
- /* Fill in the first entry in the table. */
- switch (bfd_get_arch (dynobj))
+ /* This reloc is against a symbol defined only by a dynamic
+ object. */
+ if (h->root.root.type == bfd_link_hash_undefined)
+ /* Presumably this symbol was marked as being undefined by
+ an earlier reloc. */
+ srel->size += RELOC_STD_SIZE;
+ else if ((h->root.root.u.def.section->flags & SEC_CODE) == 0)
{
- case bfd_arch_sparc:
- memcpy (s->contents, sparc_plt_first_entry, SPARC_PLT_ENTRY_SIZE);
- break;
-
- case bfd_arch_m68k:
- memcpy (s->contents, m68k_plt_first_entry, M68K_PLT_ENTRY_SIZE);
- break;
-
- default:
- abort ();
- }
- }
-
- s = bfd_get_section_by_name (dynobj, ".dynrel");
- if (s->size != 0)
- {
- s->contents = (bfd_byte *) bfd_alloc (dynobj, s->size);
- if (s->contents == NULL)
- return FALSE;
- }
- /* We use the reloc_count field to keep track of how many of the
- relocs we have output so far. */
- s->reloc_count = 0;
-
- /* Make space for the global offset table. */
- s = bfd_get_section_by_name (dynobj, ".got");
- s->contents = (bfd_byte *) bfd_alloc (dynobj, s->size);
- if (s->contents == NULL)
- return FALSE;
-
- *sneedptr = bfd_get_section_by_name (dynobj, ".need");
- *srulesptr = bfd_get_section_by_name (dynobj, ".rules");
-
- return TRUE;
-}
-
-/* Scan the relocs for an input section. */
-
-static bfd_boolean
-sunos_scan_relocs (info, abfd, sec, rel_size)
- struct bfd_link_info *info;
- bfd *abfd;
- asection *sec;
- bfd_size_type rel_size;
-{
- PTR relocs;
- PTR free_relocs = NULL;
-
- if (rel_size == 0)
- return TRUE;
-
- if (! info->keep_memory)
- relocs = free_relocs = bfd_malloc (rel_size);
- else
- {
- struct aout_section_data_struct *n;
- bfd_size_type amt = sizeof (struct aout_section_data_struct);
-
- n = (struct aout_section_data_struct *) bfd_alloc (abfd, amt);
- if (n == NULL)
- relocs = NULL;
- else
- {
- set_aout_section_data (sec, n);
- relocs = bfd_malloc (rel_size);
- aout_section_data (sec)->relocs = relocs;
- }
- }
- if (relocs == NULL)
- return FALSE;
-
- if (bfd_seek (abfd, sec->rel_filepos, SEEK_SET) != 0
- || bfd_bread (relocs, rel_size, abfd) != rel_size)
- goto error_return;
-
- if (obj_reloc_entry_size (abfd) == RELOC_STD_SIZE)
- {
- if (! sunos_scan_std_relocs (info, abfd, sec,
- (struct reloc_std_external *) relocs,
- rel_size))
- goto error_return;
- }
- else
- {
- if (! sunos_scan_ext_relocs (info, abfd, sec,
- (struct reloc_ext_external *) relocs,
- rel_size))
- goto error_return;
- }
-
- if (free_relocs != NULL)
- free (free_relocs);
-
- return TRUE;
-
- error_return:
- if (free_relocs != NULL)
- free (free_relocs);
- return FALSE;
-}
-
-/* Scan the relocs for an input section using standard relocs. We
- need to figure out what to do for each reloc against a dynamic
- symbol. If the symbol is in the .text section, an entry is made in
- the procedure linkage table. Note that this will do the wrong
- thing if the symbol is actually data; I don't think the Sun 3
- native linker handles this case correctly either. If the symbol is
- not in the .text section, we must preserve the reloc as a dynamic
- reloc. FIXME: We should also handle the PIC relocs here by
- building global offset table entries. */
-
-static bfd_boolean
-sunos_scan_std_relocs (info, abfd, sec, relocs, rel_size)
- struct bfd_link_info *info;
- bfd *abfd;
- asection *sec ATTRIBUTE_UNUSED;
- const struct reloc_std_external *relocs;
- bfd_size_type rel_size;
-{
- bfd *dynobj;
- asection *splt = NULL;
- asection *srel = NULL;
- struct sunos_link_hash_entry **sym_hashes;
- const struct reloc_std_external *rel, *relend;
-
- /* We only know how to handle m68k plt entries. */
- if (bfd_get_arch (abfd) != bfd_arch_m68k)
- {
- bfd_set_error (bfd_error_invalid_target);
- return FALSE;
- }
-
- dynobj = NULL;
-
- sym_hashes = (struct sunos_link_hash_entry **) obj_aout_sym_hashes (abfd);
-
- relend = relocs + rel_size / RELOC_STD_SIZE;
- for (rel = relocs; rel < relend; rel++)
- {
- int r_index;
- struct sunos_link_hash_entry *h;
-
- /* We only want relocs against external symbols. */
- if (bfd_header_big_endian (abfd))
- {
- if ((rel->r_type[0] & RELOC_STD_BITS_EXTERN_BIG) == 0)
- continue;
- }
- else
- {
- if ((rel->r_type[0] & RELOC_STD_BITS_EXTERN_LITTLE) == 0)
- continue;
- }
-
- /* Get the symbol index. */
- if (bfd_header_big_endian (abfd))
- r_index = ((rel->r_index[0] << 16)
- | (rel->r_index[1] << 8)
- | rel->r_index[2]);
- else
- r_index = ((rel->r_index[2] << 16)
- | (rel->r_index[1] << 8)
- | rel->r_index[0]);
-
- /* Get the hash table entry. */
- h = sym_hashes[r_index];
- if (h == NULL)
- {
- /* This should not normally happen, but it will in any case
- be caught in the relocation phase. */
- continue;
- }
-
- /* At this point common symbols have already been allocated, so
- we don't have to worry about them. We need to consider that
- we may have already seen this symbol and marked it undefined;
- if the symbol is really undefined, then SUNOS_DEF_DYNAMIC
- will be zero. */
- if (h->root.root.type != bfd_link_hash_defined
- && h->root.root.type != bfd_link_hash_defweak
- && h->root.root.type != bfd_link_hash_undefined)
- continue;
-
- if ((h->flags & SUNOS_DEF_DYNAMIC) == 0
- || (h->flags & SUNOS_DEF_REGULAR) != 0)
- continue;
-
- if (dynobj == NULL)
- {
- asection *sgot;
-
- if (! sunos_create_dynamic_sections (abfd, info, FALSE))
- return FALSE;
- dynobj = sunos_hash_table (info)->dynobj;
- splt = bfd_get_section_by_name (dynobj, ".plt");
- srel = bfd_get_section_by_name (dynobj, ".dynrel");
- BFD_ASSERT (splt != NULL && srel != NULL);
-
- sgot = bfd_get_section_by_name (dynobj, ".got");
- BFD_ASSERT (sgot != NULL);
- if (sgot->size == 0)
- sgot->size = BYTES_IN_WORD;
- sunos_hash_table (info)->got_needed = TRUE;
- }
-
- BFD_ASSERT ((h->flags & SUNOS_REF_REGULAR) != 0);
- BFD_ASSERT (h->plt_offset != 0
- || ((h->root.root.type == bfd_link_hash_defined
- || h->root.root.type == bfd_link_hash_defweak)
- ? (h->root.root.u.def.section->owner->flags
- & DYNAMIC) != 0
- : (h->root.root.u.undef.abfd->flags & DYNAMIC) != 0));
-
- /* This reloc is against a symbol defined only by a dynamic
- object. */
-
- if (h->root.root.type == bfd_link_hash_undefined)
- {
- /* Presumably this symbol was marked as being undefined by
- an earlier reloc. */
- srel->size += RELOC_STD_SIZE;
- }
- else if ((h->root.root.u.def.section->flags & SEC_CODE) == 0)
- {
- bfd *sub;
+ bfd *sub;
/* This reloc is not in the .text section. It must be
copied into the dynamic relocs. We mark the symbol as
Otherwise, we must preserve the reloc as a dynamic reloc. */
static bfd_boolean
-sunos_scan_ext_relocs (info, abfd, sec, relocs, rel_size)
- struct bfd_link_info *info;
- bfd *abfd;
- asection *sec ATTRIBUTE_UNUSED;
- const struct reloc_ext_external *relocs;
- bfd_size_type rel_size;
+sunos_scan_ext_relocs (struct bfd_link_info *info,
+ bfd *abfd,
+ asection *sec ATTRIBUTE_UNUSED,
+ const struct reloc_ext_external *relocs,
+ bfd_size_type rel_size)
{
bfd *dynobj;
struct sunos_link_hash_entry **sym_hashes;
else
{
if (r_index >= bfd_get_symcount (abfd))
- {
- /* This is abnormal, but should be caught in the
- relocation phase. */
- continue;
- }
+ /* This is abnormal, but should be caught in the
+ relocation phase. */
+ continue;
if (adata (abfd).local_got_offsets == NULL)
{
amt = bfd_get_symcount (abfd);
amt *= sizeof (bfd_vma);
- adata (abfd).local_got_offsets =
- (bfd_vma *) bfd_zalloc (abfd, amt);
+ adata (abfd).local_got_offsets = bfd_zalloc (abfd, amt);
if (adata (abfd).local_got_offsets == NULL)
return FALSE;
}
if (r_type != RELOC_JMP_TBL
&& h->root.root.type == bfd_link_hash_undefined)
- {
- /* Presumably this symbol was marked as being undefined by
- an earlier reloc. */
- srel->size += RELOC_EXT_SIZE;
- }
+ /* Presumably this symbol was marked as being undefined by
+ an earlier reloc. */
+ srel->size += RELOC_EXT_SIZE;
+
else if (r_type != RELOC_JMP_TBL
&& (h->root.root.u.def.section->flags & SEC_CODE) == 0)
{
return TRUE;
}
+/* Scan the relocs for an input section. */
+
+static bfd_boolean
+sunos_scan_relocs (struct bfd_link_info *info,
+ bfd *abfd,
+ asection *sec,
+ bfd_size_type rel_size)
+{
+ void * relocs;
+ void * free_relocs = NULL;
+
+ if (rel_size == 0)
+ return TRUE;
+
+ if (! info->keep_memory)
+ relocs = free_relocs = bfd_malloc (rel_size);
+ else
+ {
+ struct aout_section_data_struct *n;
+ bfd_size_type amt = sizeof (struct aout_section_data_struct);
+
+ n = bfd_alloc (abfd, amt);
+ if (n == NULL)
+ relocs = NULL;
+ else
+ {
+ set_aout_section_data (sec, n);
+ relocs = bfd_malloc (rel_size);
+ aout_section_data (sec)->relocs = relocs;
+ }
+ }
+ if (relocs == NULL)
+ return FALSE;
+
+ if (bfd_seek (abfd, sec->rel_filepos, SEEK_SET) != 0
+ || bfd_bread (relocs, rel_size, abfd) != rel_size)
+ goto error_return;
+
+ if (obj_reloc_entry_size (abfd) == RELOC_STD_SIZE)
+ {
+ if (! sunos_scan_std_relocs (info, abfd, sec,
+ (struct reloc_std_external *) relocs,
+ rel_size))
+ goto error_return;
+ }
+ else
+ {
+ if (! sunos_scan_ext_relocs (info, abfd, sec,
+ (struct reloc_ext_external *) relocs,
+ rel_size))
+ goto error_return;
+ }
+
+ if (free_relocs != NULL)
+ free (free_relocs);
+
+ return TRUE;
+
+ error_return:
+ if (free_relocs != NULL)
+ free (free_relocs);
+ return FALSE;
+}
+
/* Build the hash table of dynamic symbols, and to mark as written all
symbols from dynamic objects which we do not plan to write out. */
static bfd_boolean
-sunos_scan_dynamic_symbol (h, data)
- struct sunos_link_hash_entry *h;
- PTR data;
+sunos_scan_dynamic_symbol (struct sunos_link_hash_entry *h, void * data)
{
struct bfd_link_info *info = (struct bfd_link_info *) data;
/* If this symbol is defined by a dynamic object and referenced by a
regular object, see whether we gave it a reasonable value while
scanning the relocs. */
-
if ((h->flags & SUNOS_DEF_REGULAR) == 0
&& (h->flags & SUNOS_DEF_DYNAMIC) != 0
&& (h->flags & SUNOS_REF_REGULAR) != 0)
There are no debugging symbols in the dynamic symbols. */
s = bfd_get_section_by_name (dynobj, ".dynstr");
BFD_ASSERT (s != NULL);
- contents = (bfd_byte *) bfd_realloc (s->contents,
- s->size + len + 1);
+ contents = bfd_realloc (s->contents, s->size + len + 1);
if (contents == NULL)
return FALSE;
s->contents = contents;
return TRUE;
}
+/* Set up the sizes and contents of the dynamic sections created in
+ sunos_add_dynamic_symbols. This is called by the SunOS linker
+ emulation before_allocation routine. We must set the sizes of the
+ sections before the linker sets the addresses of the various
+ sections. This unfortunately requires reading all the relocs so
+ that we can work out which ones need to become dynamic relocs. If
+ info->keep_memory is TRUE, we keep the relocs in memory; otherwise,
+ we discard them, and will read them again later. */
+
+bfd_boolean
+bfd_sunos_size_dynamic_sections (bfd *output_bfd,
+ struct bfd_link_info *info,
+ asection **sdynptr,
+ asection **sneedptr,
+ asection **srulesptr)
+{
+ bfd *dynobj;
+ bfd_size_type dynsymcount;
+ struct sunos_link_hash_entry *h;
+ asection *s;
+ size_t bucketcount;
+ bfd_size_type hashalloc;
+ size_t i;
+ bfd *sub;
+
+ *sdynptr = NULL;
+ *sneedptr = NULL;
+ *srulesptr = NULL;
+
+ if (info->relocatable)
+ return TRUE;
+
+ if (output_bfd->xvec != &MY(vec))
+ return TRUE;
+
+ /* Look through all the input BFD's and read their relocs. It would
+ be better if we didn't have to do this, but there is no other way
+ to determine the number of dynamic relocs we need, and, more
+ importantly, there is no other way to know which symbols should
+ get an entry in the procedure linkage table. */
+ for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
+ {
+ if ((sub->flags & DYNAMIC) == 0
+ && sub->xvec == output_bfd->xvec)
+ {
+ if (! sunos_scan_relocs (info, sub, obj_textsec (sub),
+ exec_hdr (sub)->a_trsize)
+ || ! sunos_scan_relocs (info, sub, obj_datasec (sub),
+ exec_hdr (sub)->a_drsize))
+ return FALSE;
+ }
+ }
+
+ dynobj = sunos_hash_table (info)->dynobj;
+ dynsymcount = sunos_hash_table (info)->dynsymcount;
+
+ /* If there were no dynamic objects in the link, and we don't need
+ to build a global offset table, there is nothing to do here. */
+ if (! sunos_hash_table (info)->dynamic_sections_needed
+ && ! sunos_hash_table (info)->got_needed)
+ return TRUE;
+
+ /* If __GLOBAL_OFFSET_TABLE_ was mentioned, define it. */
+ h = sunos_link_hash_lookup (sunos_hash_table (info),
+ "__GLOBAL_OFFSET_TABLE_", FALSE, FALSE, FALSE);
+ if (h != NULL && (h->flags & SUNOS_REF_REGULAR) != 0)
+ {
+ h->flags |= SUNOS_DEF_REGULAR;
+ if (h->dynindx == -1)
+ {
+ ++sunos_hash_table (info)->dynsymcount;
+ h->dynindx = -2;
+ }
+ h->root.root.type = bfd_link_hash_defined;
+ h->root.root.u.def.section = bfd_get_section_by_name (dynobj, ".got");
+
+ /* If the .got section is more than 0x1000 bytes, we set
+ __GLOBAL_OFFSET_TABLE_ to be 0x1000 bytes into the section,
+ so that 13 bit relocations have a greater chance of working. */
+ s = bfd_get_section_by_name (dynobj, ".got");
+ BFD_ASSERT (s != NULL);
+ if (s->size >= 0x1000)
+ h->root.root.u.def.value = 0x1000;
+ else
+ h->root.root.u.def.value = 0;
+
+ sunos_hash_table (info)->got_base = h->root.root.u.def.value;
+ }
+
+ /* If there are any shared objects in the link, then we need to set
+ up the dynamic linking information. */
+ if (sunos_hash_table (info)->dynamic_sections_needed)
+ {
+ *sdynptr = bfd_get_section_by_name (dynobj, ".dynamic");
+
+ /* The .dynamic section is always the same size. */
+ s = *sdynptr;
+ BFD_ASSERT (s != NULL);
+ s->size = (sizeof (struct external_sun4_dynamic)
+ + EXTERNAL_SUN4_DYNAMIC_DEBUGGER_SIZE
+ + sizeof (struct external_sun4_dynamic_link));
+
+ /* Set the size of the .dynsym and .hash sections. We counted
+ the number of dynamic symbols as we read the input files. We
+ will build the dynamic symbol table (.dynsym) and the hash
+ table (.hash) when we build the final symbol table, because
+ until then we do not know the correct value to give the
+ symbols. We build the dynamic symbol string table (.dynstr)
+ in a traversal of the symbol table using
+ sunos_scan_dynamic_symbol. */
+ s = bfd_get_section_by_name (dynobj, ".dynsym");
+ BFD_ASSERT (s != NULL);
+ s->size = dynsymcount * sizeof (struct external_nlist);
+ s->contents = bfd_alloc (output_bfd, s->size);
+ if (s->contents == NULL && s->size != 0)
+ return FALSE;
+
+ /* The number of buckets is just the number of symbols divided
+ by four. To compute the final size of the hash table, we
+ must actually compute the hash table. Normally we need
+ exactly as many entries in the hash table as there are
+ dynamic symbols, but if some of the buckets are not used we
+ will need additional entries. In the worst case, every
+ symbol will hash to the same bucket, and we will need
+ BUCKETCOUNT - 1 extra entries. */
+ if (dynsymcount >= 4)
+ bucketcount = dynsymcount / 4;
+ else if (dynsymcount > 0)
+ bucketcount = dynsymcount;
+ else
+ bucketcount = 1;
+ s = bfd_get_section_by_name (dynobj, ".hash");
+ BFD_ASSERT (s != NULL);
+ hashalloc = (dynsymcount + bucketcount - 1) * HASH_ENTRY_SIZE;
+ s->contents = bfd_zalloc (dynobj, hashalloc);
+ if (s->contents == NULL && dynsymcount > 0)
+ return FALSE;
+ for (i = 0; i < bucketcount; i++)
+ PUT_WORD (output_bfd, (bfd_vma) -1, s->contents + i * HASH_ENTRY_SIZE);
+ s->size = bucketcount * HASH_ENTRY_SIZE;
+
+ sunos_hash_table (info)->bucketcount = bucketcount;
+
+ /* Scan all the symbols, place them in the dynamic symbol table,
+ and build the dynamic hash table. We reuse dynsymcount as a
+ counter for the number of symbols we have added so far. */
+ sunos_hash_table (info)->dynsymcount = 0;
+ sunos_link_hash_traverse (sunos_hash_table (info),
+ sunos_scan_dynamic_symbol,
+ (void *) info);
+ BFD_ASSERT (sunos_hash_table (info)->dynsymcount == dynsymcount);
+
+ /* The SunOS native linker seems to align the total size of the
+ symbol strings to a multiple of 8. I don't know if this is
+ important, but it can't hurt much. */
+ s = bfd_get_section_by_name (dynobj, ".dynstr");
+ BFD_ASSERT (s != NULL);
+ if ((s->size & 7) != 0)
+ {
+ bfd_size_type add;
+ bfd_byte *contents;
+
+ add = 8 - (s->size & 7);
+ contents = bfd_realloc (s->contents, s->size + add);
+ if (contents == NULL)
+ return FALSE;
+ memset (contents + s->size, 0, (size_t) add);
+ s->contents = contents;
+ s->size += add;
+ }
+ }
+
+ /* Now that we have worked out the sizes of the procedure linkage
+ table and the dynamic relocs, allocate storage for them. */
+ s = bfd_get_section_by_name (dynobj, ".plt");
+ BFD_ASSERT (s != NULL);
+ if (s->size != 0)
+ {
+ s->contents = bfd_alloc (dynobj, s->size);
+ if (s->contents == NULL)
+ return FALSE;
+
+ /* Fill in the first entry in the table. */
+ switch (bfd_get_arch (dynobj))
+ {
+ case bfd_arch_sparc:
+ memcpy (s->contents, sparc_plt_first_entry, SPARC_PLT_ENTRY_SIZE);
+ break;
+
+ case bfd_arch_m68k:
+ memcpy (s->contents, m68k_plt_first_entry, M68K_PLT_ENTRY_SIZE);
+ break;
+
+ default:
+ abort ();
+ }
+ }
+
+ s = bfd_get_section_by_name (dynobj, ".dynrel");
+ if (s->size != 0)
+ {
+ s->contents = bfd_alloc (dynobj, s->size);
+ if (s->contents == NULL)
+ return FALSE;
+ }
+ /* We use the reloc_count field to keep track of how many of the
+ relocs we have output so far. */
+ s->reloc_count = 0;
+
+ /* Make space for the global offset table. */
+ s = bfd_get_section_by_name (dynobj, ".got");
+ s->contents = bfd_alloc (dynobj, s->size);
+ if (s->contents == NULL)
+ return FALSE;
+
+ *sneedptr = bfd_get_section_by_name (dynobj, ".need");
+ *srulesptr = bfd_get_section_by_name (dynobj, ".rules");
+
+ return TRUE;
+}
+
/* Link a dynamic object. We actually don't have anything to do at
this point. This entry point exists to prevent the regular linker
code from doing anything with the object. */
static bfd_boolean
-sunos_link_dynamic_object (info, abfd)
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- bfd *abfd ATTRIBUTE_UNUSED;
+sunos_link_dynamic_object (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ bfd *abfd ATTRIBUTE_UNUSED)
{
return TRUE;
}
over the symbol table. */
static bfd_boolean
-sunos_write_dynamic_symbol (output_bfd, info, harg)
- bfd *output_bfd;
- struct bfd_link_info *info;
- struct aout_link_hash_entry *harg;
+sunos_write_dynamic_symbol (bfd *output_bfd,
+ struct bfd_link_info *info,
+ struct aout_link_hash_entry *harg)
{
struct sunos_link_hash_entry *h = (struct sunos_link_hash_entry *) harg;
int type;
reloc. */
static bfd_boolean
-sunos_check_dynamic_reloc (info, input_bfd, input_section, harg, reloc,
- contents, skip, relocationp)
- struct bfd_link_info *info;
- bfd *input_bfd;
- asection *input_section;
- struct aout_link_hash_entry *harg;
- PTR reloc;
- bfd_byte *contents ATTRIBUTE_UNUSED;
- bfd_boolean *skip;
- bfd_vma *relocationp;
+sunos_check_dynamic_reloc (struct bfd_link_info *info,
+ bfd *input_bfd,
+ asection *input_section,
+ struct aout_link_hash_entry *harg,
+ void * reloc,
+ bfd_byte *contents ATTRIBUTE_UNUSED,
+ bfd_boolean *skip,
+ bfd_vma *relocationp)
{
struct sunos_link_hash_entry *h = (struct sunos_link_hash_entry *) harg;
bfd *dynobj;
/* Finish up the dynamic linking information. */
static bfd_boolean
-sunos_finish_dynamic_link (abfd, info)
- bfd *abfd;
- struct bfd_link_info *info;
+sunos_finish_dynamic_link (bfd *abfd, struct bfd_link_info *info)
{
bfd *dynobj;
asection *o;
projects / external / binutils.git / blobdiff