7bf52ea2ca
* coff-h8300.c (h8300_coff_link_hash_table_create): Likewise. * m68klinux.c (linux_link_hash_table_create): Likewise. * sparclinux.c (linux_link_hash_table_create): Likewise. * sunos.c (sunos_link_hash_table_create): Likewise. * xcofflink.c (_bfd_xcoff_bfd_link_hash_table_create): Likewise. * elf-m10300.c (elf32_mn10300_link_hash_table_create): Likewise. * elf32-arm.c (elf32_arm_link_hash_table_create): Likewise. * elf32-avr.c (elf32_avr_link_hash_table_create): Likewise. * elf32-cr16.c (elf32_cr16_link_hash_table_create): Likewise. * elf32-cris.c (elf_cris_link_hash_table_create): Likewise. * elf32-hppa.c (elf32_hppa_link_hash_table_create): Likewise. * elf32-i386.c (elf_i386_link_hash_table_create): Likewise. * elf32-lm32.c (lm32_elf_link_hash_table_create): Likewise. * elf32-m32r.c (m32r_elf_link_hash_table_create): Likewise. * elf32-m68hc1x.c (m68hc11_elf_hash_table_create): Likewise. * elf32-m68k.c (elf_m68k_link_hash_table_create): Likewise. * elf32-metag.c (elf_metag_link_hash_table_create): Likewise. * elf32-nios2.c (nios2_elf32_link_hash_table_create): Likewise. * elf32-s390.c (elf_s390_link_hash_table_create): Likewise. * elf32-score.c (elf32_score_link_hash_table_create): Likewise. * elf32-spu.c (spu_elf_link_hash_table_create): Likewise. * elf32-tic6x.c (elf32_tic6x_link_hash_table_create): Likewise. * elf32-vax.c (elf_vax_link_hash_table_create): Likewise. * elf32-xgate.c (xgate_elf_bfd_link_hash_table_create): Likewise. * elf32-xtensa.c (elf_xtensa_link_hash_table_create): Likewise. * elf64-aarch64.c (elf64_aarch64_link_hash_table_create): Likewise. * elf64-s390.c (elf_s390_link_hash_table_create): Likewise. * elf64-sh64.c (sh64_elf64_link_hash_table_create): Likewise. * elf64-x86-64.c (elf_x86_64_link_hash_table_create): Likewise. * elfxx-mips.c (_bfd_mips_elf_link_hash_table_create): Likewise. * elflink.c (_bfd_elf_link_hash_table_create): Likewise. (_bfd_elf_link_hash_table_init): Assume zero fill table on entry.
2848 lines
86 KiB
C
2848 lines
86 KiB
C
/* BFD backend for SunOS binaries.
|
||
Copyright 1990, 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
|
||
2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2011, 2012
|
||
Free Software Foundation, Inc.
|
||
Written by Cygnus Support.
|
||
|
||
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 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.
|
||
|
||
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 TARGETNAME "a.out-sunos-big"
|
||
|
||
/* Do not "beautify" the CONCAT* macro args. Traditional C will not
|
||
remove whitespace added here, and thus will fail to concatenate
|
||
the tokens. */
|
||
#define MY(OP) CONCAT2 (sunos_big_,OP)
|
||
|
||
#include "sysdep.h"
|
||
#include "bfd.h"
|
||
#include "bfdlink.h"
|
||
#include "libaout.h"
|
||
|
||
/* ??? Where should this go? */
|
||
#define MACHTYPE_OK(mtype) \
|
||
(((mtype) == M_SPARC && bfd_lookup_arch (bfd_arch_sparc, 0) != NULL) \
|
||
|| ((mtype) == M_SPARCLET \
|
||
&& bfd_lookup_arch (bfd_arch_sparc, bfd_mach_sparc_sparclet) != NULL) \
|
||
|| ((mtype) == M_SPARCLITE_LE \
|
||
&& bfd_lookup_arch (bfd_arch_sparc, bfd_mach_sparc_sparclet) != 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"
|
||
|
||
/* The SunOS 4.1.4 /usr/include/locale.h defines valid as a macro. */
|
||
#undef valid
|
||
|
||
/* SunOS shared library support. We store a pointer to this structure
|
||
in obj_aout_dynamic_info (abfd). */
|
||
|
||
struct sunos_dynamic_info
|
||
{
|
||
/* Whether we found any dynamic information. */
|
||
bfd_boolean valid;
|
||
/* Dynamic information. */
|
||
struct internal_sun4_dynamic_link dyninfo;
|
||
/* Number of dynamic symbols. */
|
||
unsigned long dynsym_count;
|
||
/* Read in nlists for dynamic symbols. */
|
||
struct external_nlist *dynsym;
|
||
/* asymbol structures for dynamic symbols. */
|
||
aout_symbol_type *canonical_dynsym;
|
||
/* Read in dynamic string table. */
|
||
char *dynstr;
|
||
/* Number of dynamic relocs. */
|
||
unsigned long dynrel_count;
|
||
/* Read in dynamic relocs. This may be reloc_std_external or
|
||
reloc_ext_external. */
|
||
void * dynrel;
|
||
/* arelent structures for dynamic relocs. */
|
||
arelent *canonical_dynrel;
|
||
};
|
||
|
||
/* The hash table of dynamic symbols is composed of two word entries.
|
||
See include/aout/sun4.h for details. */
|
||
|
||
#define HASH_ENTRY_SIZE (2 * BYTES_IN_WORD)
|
||
|
||
/* Read in the basic dynamic information. This locates the __DYNAMIC
|
||
structure and uses it to find the dynamic_link structure. It
|
||
creates and saves a sunos_dynamic_info structure. If it can't find
|
||
__DYNAMIC, it sets the valid field of the sunos_dynamic_info
|
||
structure to FALSE to avoid doing this work again. */
|
||
|
||
static bfd_boolean
|
||
sunos_read_dynamic_info (bfd *abfd)
|
||
{
|
||
struct sunos_dynamic_info *info;
|
||
asection *dynsec;
|
||
bfd_vma dynoff;
|
||
struct external_sun4_dynamic dyninfo;
|
||
unsigned long dynver;
|
||
struct external_sun4_dynamic_link linkinfo;
|
||
bfd_size_type amt;
|
||
|
||
if (obj_aout_dynamic_info (abfd) != NULL)
|
||
return TRUE;
|
||
|
||
if ((abfd->flags & DYNAMIC) == 0)
|
||
{
|
||
bfd_set_error (bfd_error_invalid_operation);
|
||
return FALSE;
|
||
}
|
||
|
||
amt = sizeof (struct sunos_dynamic_info);
|
||
info = bfd_zalloc (abfd, amt);
|
||
if (!info)
|
||
return FALSE;
|
||
info->valid = FALSE;
|
||
info->dynsym = NULL;
|
||
info->dynstr = NULL;
|
||
info->canonical_dynsym = NULL;
|
||
info->dynrel = NULL;
|
||
info->canonical_dynrel = NULL;
|
||
obj_aout_dynamic_info (abfd) = (void *) info;
|
||
|
||
/* This code used to look for the __DYNAMIC symbol to locate the dynamic
|
||
linking information.
|
||
However this inhibits recovering the dynamic symbols from a
|
||
stripped object file, so blindly assume that the dynamic linking
|
||
information is located at the start of the data section.
|
||
We could verify this assumption later by looking through the dynamic
|
||
symbols for the __DYNAMIC symbol. */
|
||
if ((abfd->flags & DYNAMIC) == 0)
|
||
return TRUE;
|
||
if (! bfd_get_section_contents (abfd, obj_datasec (abfd), (void *) &dyninfo,
|
||
(file_ptr) 0,
|
||
(bfd_size_type) sizeof dyninfo))
|
||
return TRUE;
|
||
|
||
dynver = GET_WORD (abfd, dyninfo.ld_version);
|
||
if (dynver != 2 && dynver != 3)
|
||
return TRUE;
|
||
|
||
dynoff = GET_WORD (abfd, dyninfo.ld);
|
||
|
||
/* dynoff is a virtual address. It is probably always in the .data
|
||
section, but this code should work even if it moves. */
|
||
if (dynoff < bfd_get_section_vma (abfd, obj_datasec (abfd)))
|
||
dynsec = obj_textsec (abfd);
|
||
else
|
||
dynsec = obj_datasec (abfd);
|
||
dynoff -= bfd_get_section_vma (abfd, dynsec);
|
||
if (dynoff > dynsec->size)
|
||
return TRUE;
|
||
|
||
/* This executable appears to be dynamically linked in a way that we
|
||
can understand. */
|
||
if (! bfd_get_section_contents (abfd, dynsec, (void *) &linkinfo,
|
||
(file_ptr) dynoff,
|
||
(bfd_size_type) sizeof linkinfo))
|
||
return TRUE;
|
||
|
||
/* Swap in the dynamic link information. */
|
||
info->dyninfo.ld_loaded = GET_WORD (abfd, linkinfo.ld_loaded);
|
||
info->dyninfo.ld_need = GET_WORD (abfd, linkinfo.ld_need);
|
||
info->dyninfo.ld_rules = GET_WORD (abfd, linkinfo.ld_rules);
|
||
info->dyninfo.ld_got = GET_WORD (abfd, linkinfo.ld_got);
|
||
info->dyninfo.ld_plt = GET_WORD (abfd, linkinfo.ld_plt);
|
||
info->dyninfo.ld_rel = GET_WORD (abfd, linkinfo.ld_rel);
|
||
info->dyninfo.ld_hash = GET_WORD (abfd, linkinfo.ld_hash);
|
||
info->dyninfo.ld_stab = GET_WORD (abfd, linkinfo.ld_stab);
|
||
info->dyninfo.ld_stab_hash = GET_WORD (abfd, linkinfo.ld_stab_hash);
|
||
info->dyninfo.ld_buckets = GET_WORD (abfd, linkinfo.ld_buckets);
|
||
info->dyninfo.ld_symbols = GET_WORD (abfd, linkinfo.ld_symbols);
|
||
info->dyninfo.ld_symb_size = GET_WORD (abfd, linkinfo.ld_symb_size);
|
||
info->dyninfo.ld_text = GET_WORD (abfd, linkinfo.ld_text);
|
||
info->dyninfo.ld_plt_sz = GET_WORD (abfd, linkinfo.ld_plt_sz);
|
||
|
||
/* Reportedly the addresses need to be offset by the size of the
|
||
exec header in an NMAGIC file. */
|
||
if (adata (abfd).magic == n_magic)
|
||
{
|
||
unsigned long exec_bytes_size = adata (abfd).exec_bytes_size;
|
||
|
||
info->dyninfo.ld_need += exec_bytes_size;
|
||
info->dyninfo.ld_rules += exec_bytes_size;
|
||
info->dyninfo.ld_rel += exec_bytes_size;
|
||
info->dyninfo.ld_hash += exec_bytes_size;
|
||
info->dyninfo.ld_stab += exec_bytes_size;
|
||
info->dyninfo.ld_symbols += exec_bytes_size;
|
||
}
|
||
|
||
/* The only way to get the size of the symbol information appears to
|
||
be to determine the distance between it and the string table. */
|
||
info->dynsym_count = ((info->dyninfo.ld_symbols - info->dyninfo.ld_stab)
|
||
/ EXTERNAL_NLIST_SIZE);
|
||
BFD_ASSERT (info->dynsym_count * EXTERNAL_NLIST_SIZE
|
||
== (unsigned long) (info->dyninfo.ld_symbols
|
||
- info->dyninfo.ld_stab));
|
||
|
||
/* Similarly, the relocs end at the hash table. */
|
||
info->dynrel_count = ((info->dyninfo.ld_hash - info->dyninfo.ld_rel)
|
||
/ obj_reloc_entry_size (abfd));
|
||
BFD_ASSERT (info->dynrel_count * obj_reloc_entry_size (abfd)
|
||
== (unsigned long) (info->dyninfo.ld_hash
|
||
- info->dyninfo.ld_rel));
|
||
|
||
info->valid = TRUE;
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
/* Return the amount of memory required for the dynamic symbols. */
|
||
|
||
static long
|
||
sunos_get_dynamic_symtab_upper_bound (bfd *abfd)
|
||
{
|
||
struct sunos_dynamic_info *info;
|
||
|
||
if (! sunos_read_dynamic_info (abfd))
|
||
return -1;
|
||
|
||
info = (struct sunos_dynamic_info *) obj_aout_dynamic_info (abfd);
|
||
if (! info->valid)
|
||
{
|
||
bfd_set_error (bfd_error_no_symbols);
|
||
return -1;
|
||
}
|
||
|
||
return (info->dynsym_count + 1) * sizeof (asymbol *);
|
||
}
|
||
|
||
/* Read the external dynamic symbols. */
|
||
|
||
static bfd_boolean
|
||
sunos_slurp_dynamic_symtab (bfd *abfd)
|
||
{
|
||
struct sunos_dynamic_info *info;
|
||
bfd_size_type amt;
|
||
|
||
/* Get the general dynamic information. */
|
||
if (obj_aout_dynamic_info (abfd) == NULL)
|
||
{
|
||
if (! sunos_read_dynamic_info (abfd))
|
||
return FALSE;
|
||
}
|
||
|
||
info = (struct sunos_dynamic_info *) obj_aout_dynamic_info (abfd);
|
||
if (! info->valid)
|
||
{
|
||
bfd_set_error (bfd_error_no_symbols);
|
||
return FALSE;
|
||
}
|
||
|
||
/* Get the dynamic nlist structures. */
|
||
if (info->dynsym == NULL)
|
||
{
|
||
amt = (bfd_size_type) info->dynsym_count * EXTERNAL_NLIST_SIZE;
|
||
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 ((void *) info->dynsym, amt, abfd) != amt)
|
||
{
|
||
if (info->dynsym != NULL)
|
||
{
|
||
bfd_release (abfd, info->dynsym);
|
||
info->dynsym = NULL;
|
||
}
|
||
return FALSE;
|
||
}
|
||
}
|
||
|
||
/* Get the dynamic strings. */
|
||
if (info->dynstr == NULL)
|
||
{
|
||
amt = info->dyninfo.ld_symb_size;
|
||
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 ((void *) info->dynstr, amt, abfd) != amt)
|
||
{
|
||
if (info->dynstr != NULL)
|
||
{
|
||
bfd_release (abfd, info->dynstr);
|
||
info->dynstr = NULL;
|
||
}
|
||
return FALSE;
|
||
}
|
||
}
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
/* Read in the dynamic symbols. */
|
||
|
||
static long
|
||
sunos_canonicalize_dynamic_symtab (bfd *abfd, asymbol **storage)
|
||
{
|
||
struct sunos_dynamic_info *info;
|
||
unsigned long i;
|
||
|
||
if (! sunos_slurp_dynamic_symtab (abfd))
|
||
return -1;
|
||
|
||
info = (struct sunos_dynamic_info *) obj_aout_dynamic_info (abfd);
|
||
|
||
#ifdef CHECK_DYNAMIC_HASH
|
||
/* Check my understanding of the dynamic hash table by making sure
|
||
that each symbol can be located in the hash table. */
|
||
{
|
||
bfd_size_type table_size;
|
||
bfd_byte *table;
|
||
bfd_size_type i;
|
||
|
||
if (info->dyninfo.ld_buckets > info->dynsym_count)
|
||
abort ();
|
||
table_size = info->dyninfo.ld_stab - info->dyninfo.ld_hash;
|
||
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 ((void *) table, table_size, abfd) != table_size)
|
||
abort ();
|
||
for (i = 0; i < info->dynsym_count; i++)
|
||
{
|
||
unsigned char *name;
|
||
unsigned long hash;
|
||
|
||
name = ((unsigned char *) info->dynstr
|
||
+ GET_WORD (abfd, info->dynsym[i].e_strx));
|
||
hash = 0;
|
||
while (*name != '\0')
|
||
hash = (hash << 1) + *name++;
|
||
hash &= 0x7fffffff;
|
||
hash %= info->dyninfo.ld_buckets;
|
||
while (GET_WORD (abfd, table + hash * HASH_ENTRY_SIZE) != i)
|
||
{
|
||
hash = GET_WORD (abfd,
|
||
table + hash * HASH_ENTRY_SIZE + BYTES_IN_WORD);
|
||
if (hash == 0 || hash >= table_size / HASH_ENTRY_SIZE)
|
||
abort ();
|
||
}
|
||
}
|
||
free (table);
|
||
}
|
||
#endif /* CHECK_DYNAMIC_HASH */
|
||
|
||
/* Get the asymbol structures corresponding to the dynamic nlist
|
||
structures. */
|
||
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 = bfd_alloc (abfd, size);
|
||
if (info->canonical_dynsym == NULL && info->dynsym_count != 0)
|
||
return -1;
|
||
|
||
if (! aout_32_translate_symbol_table (abfd, info->canonical_dynsym,
|
||
info->dynsym,
|
||
(bfd_size_type) info->dynsym_count,
|
||
info->dynstr, strsize, TRUE))
|
||
{
|
||
if (info->canonical_dynsym != NULL)
|
||
{
|
||
bfd_release (abfd, info->canonical_dynsym);
|
||
info->canonical_dynsym = NULL;
|
||
}
|
||
return -1;
|
||
}
|
||
}
|
||
|
||
/* Return pointers to the dynamic asymbol structures. */
|
||
for (i = 0; i < info->dynsym_count; i++)
|
||
*storage++ = (asymbol *) (info->canonical_dynsym + i);
|
||
*storage = NULL;
|
||
|
||
return info->dynsym_count;
|
||
}
|
||
|
||
/* Return the amount of memory required for the dynamic relocs. */
|
||
|
||
static long
|
||
sunos_get_dynamic_reloc_upper_bound (bfd *abfd)
|
||
{
|
||
struct sunos_dynamic_info *info;
|
||
|
||
if (! sunos_read_dynamic_info (abfd))
|
||
return -1;
|
||
|
||
info = (struct sunos_dynamic_info *) obj_aout_dynamic_info (abfd);
|
||
if (! info->valid)
|
||
{
|
||
bfd_set_error (bfd_error_no_symbols);
|
||
return -1;
|
||
}
|
||
|
||
return (info->dynrel_count + 1) * sizeof (arelent *);
|
||
}
|
||
|
||
/* Read in the dynamic relocs. */
|
||
|
||
static long
|
||
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) == NULL)
|
||
{
|
||
if (! sunos_read_dynamic_info (abfd))
|
||
return -1;
|
||
}
|
||
|
||
info = (struct sunos_dynamic_info *) obj_aout_dynamic_info (abfd);
|
||
if (! info->valid)
|
||
{
|
||
bfd_set_error (bfd_error_no_symbols);
|
||
return -1;
|
||
}
|
||
|
||
/* Get the dynamic reloc information. */
|
||
if (info->dynrel == NULL)
|
||
{
|
||
size = (bfd_size_type) info->dynrel_count * obj_reloc_entry_size (abfd);
|
||
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 ((void *) info->dynrel, size, abfd) != size)
|
||
{
|
||
if (info->dynrel != NULL)
|
||
{
|
||
bfd_release (abfd, info->dynrel);
|
||
info->dynrel = NULL;
|
||
}
|
||
return -1;
|
||
}
|
||
}
|
||
|
||
/* Get the arelent structures corresponding to the dynamic reloc
|
||
information. */
|
||
if (info->canonical_dynrel == NULL)
|
||
{
|
||
arelent *to;
|
||
|
||
size = (bfd_size_type) info->dynrel_count * sizeof (arelent);
|
||
info->canonical_dynrel = bfd_alloc (abfd, size);
|
||
if (info->canonical_dynrel == NULL && info->dynrel_count != 0)
|
||
return -1;
|
||
|
||
to = info->canonical_dynrel;
|
||
|
||
if (obj_reloc_entry_size (abfd) == RELOC_EXT_SIZE)
|
||
{
|
||
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);
|
||
}
|
||
else
|
||
{
|
||
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);
|
||
}
|
||
}
|
||
|
||
/* Return pointers to the dynamic arelent structures. */
|
||
for (i = 0; i < info->dynrel_count; i++)
|
||
*storage++ = info->canonical_dynrel + i;
|
||
*storage = NULL;
|
||
|
||
return info->dynrel_count;
|
||
}
|
||
|
||
/* Code to handle linking of SunOS shared libraries. */
|
||
|
||
/* A SPARC procedure linkage table entry is 12 bytes. The first entry
|
||
in the table is a jump which is filled in by the runtime linker.
|
||
The remaining entries are branches back to the first entry,
|
||
followed by an index into the relocation table encoded to look like
|
||
a sethi of %g0. */
|
||
|
||
#define SPARC_PLT_ENTRY_SIZE (12)
|
||
|
||
static const bfd_byte sparc_plt_first_entry[SPARC_PLT_ENTRY_SIZE] =
|
||
{
|
||
/* sethi %hi(0),%g1; address filled in by runtime linker. */
|
||
0x3, 0, 0, 0,
|
||
/* jmp %g1; offset filled in by runtime linker. */
|
||
0x81, 0xc0, 0x60, 0,
|
||
/* nop */
|
||
0x1, 0, 0, 0
|
||
};
|
||
|
||
/* save %sp, -96, %sp */
|
||
#define SPARC_PLT_ENTRY_WORD0 ((bfd_vma) 0x9de3bfa0)
|
||
/* call; address filled in later. */
|
||
#define SPARC_PLT_ENTRY_WORD1 ((bfd_vma) 0x40000000)
|
||
/* sethi; reloc index filled in later. */
|
||
#define SPARC_PLT_ENTRY_WORD2 ((bfd_vma) 0x01000000)
|
||
|
||
/* This sequence is used when for the jump table entry to a defined
|
||
symbol in a complete executable. It is used when linking PIC
|
||
compiled code which is not being put into a shared library. */
|
||
/* sethi <address to be filled in later>, %g1 */
|
||
#define SPARC_PLT_PIC_WORD0 ((bfd_vma) 0x03000000)
|
||
/* jmp %g1 + <address to be filled in later> */
|
||
#define SPARC_PLT_PIC_WORD1 ((bfd_vma) 0x81c06000)
|
||
/* nop */
|
||
#define SPARC_PLT_PIC_WORD2 ((bfd_vma) 0x01000000)
|
||
|
||
/* An m68k procedure linkage table entry is 8 bytes. The first entry
|
||
in the table is a jump which is filled in the by the runtime
|
||
linker. The remaining entries are branches back to the first
|
||
entry, followed by a two byte index into the relocation table. */
|
||
|
||
#define M68K_PLT_ENTRY_SIZE (8)
|
||
|
||
static const bfd_byte m68k_plt_first_entry[M68K_PLT_ENTRY_SIZE] =
|
||
{
|
||
/* jmps @# */
|
||
0x4e, 0xf9,
|
||
/* Filled in by runtime linker with a magic address. */
|
||
0, 0, 0, 0,
|
||
/* Not used? */
|
||
0, 0
|
||
};
|
||
|
||
/* bsrl */
|
||
#define M68K_PLT_ENTRY_WORD0 ((bfd_vma) 0x61ff)
|
||
/* Remaining words filled in later. */
|
||
|
||
/* An entry in the SunOS linker hash table. */
|
||
|
||
struct sunos_link_hash_entry
|
||
{
|
||
struct aout_link_hash_entry root;
|
||
|
||
/* If this is a dynamic symbol, this is its index into the dynamic
|
||
symbol table. This is initialized to -1. As the linker looks at
|
||
the input files, it changes this to -2 if it will be added to the
|
||
dynamic symbol table. After all the input files have been seen,
|
||
the linker will know whether to build a dynamic symbol table; if
|
||
it does build one, this becomes the index into the table. */
|
||
long dynindx;
|
||
|
||
/* If this is a dynamic symbol, this is the index of the name in the
|
||
dynamic symbol string table. */
|
||
long dynstr_index;
|
||
|
||
/* The offset into the global offset table used for this symbol. If
|
||
the symbol does not require a GOT entry, this is 0. */
|
||
bfd_vma got_offset;
|
||
|
||
/* The offset into the procedure linkage table used for this symbol.
|
||
If the symbol does not require a PLT entry, this is 0. */
|
||
bfd_vma plt_offset;
|
||
|
||
/* Some linker flags. */
|
||
unsigned char flags;
|
||
/* Symbol is referenced by a regular object. */
|
||
#define SUNOS_REF_REGULAR 01
|
||
/* Symbol is defined by a regular object. */
|
||
#define SUNOS_DEF_REGULAR 02
|
||
/* Symbol is referenced by a dynamic object. */
|
||
#define SUNOS_REF_DYNAMIC 04
|
||
/* Symbol is defined by a dynamic object. */
|
||
#define SUNOS_DEF_DYNAMIC 010
|
||
/* Symbol is a constructor symbol in a regular object. */
|
||
#define SUNOS_CONSTRUCTOR 020
|
||
};
|
||
|
||
/* The SunOS linker hash table. */
|
||
|
||
struct sunos_link_hash_table
|
||
{
|
||
struct aout_link_hash_table root;
|
||
|
||
/* The object which holds the dynamic sections. */
|
||
bfd *dynobj;
|
||
|
||
/* Whether we have created the dynamic sections. */
|
||
bfd_boolean dynamic_sections_created;
|
||
|
||
/* Whether we need the dynamic sections. */
|
||
bfd_boolean dynamic_sections_needed;
|
||
|
||
/* Whether we need the .got table. */
|
||
bfd_boolean got_needed;
|
||
|
||
/* The number of dynamic symbols. */
|
||
size_t dynsymcount;
|
||
|
||
/* The number of buckets in the hash table. */
|
||
size_t bucketcount;
|
||
|
||
/* The list of dynamic objects needed by dynamic objects included in
|
||
the link. */
|
||
struct bfd_link_needed_list *needed;
|
||
|
||
/* The offset of __GLOBAL_OFFSET_TABLE_ into the .got section. */
|
||
bfd_vma got_base;
|
||
};
|
||
|
||
/* Routine to create an entry in an SunOS link hash table. */
|
||
|
||
static struct bfd_hash_entry *
|
||
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 == 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));
|
||
if (ret != NULL)
|
||
{
|
||
/* Set local fields. */
|
||
ret->dynindx = -1;
|
||
ret->dynstr_index = -1;
|
||
ret->got_offset = 0;
|
||
ret->plt_offset = 0;
|
||
ret->flags = 0;
|
||
}
|
||
|
||
return (struct bfd_hash_entry *) ret;
|
||
}
|
||
|
||
/* Create a SunOS link hash table. */
|
||
|
||
static struct bfd_link_hash_table *
|
||
sunos_link_hash_table_create (bfd *abfd)
|
||
{
|
||
struct sunos_link_hash_table *ret;
|
||
bfd_size_type amt = sizeof (struct sunos_link_hash_table);
|
||
|
||
ret = bfd_zmalloc (amt);
|
||
if (ret == NULL)
|
||
return NULL;
|
||
if (!NAME (aout, link_hash_table_init) (&ret->root, abfd,
|
||
sunos_link_hash_newfunc,
|
||
sizeof (struct sunos_link_hash_entry)))
|
||
{
|
||
free (ret);
|
||
return NULL;
|
||
}
|
||
|
||
return &ret->root.root;
|
||
}
|
||
|
||
/* Look up an entry in an SunOS link hash table. */
|
||
|
||
#define sunos_link_hash_lookup(table, string, create, copy, follow) \
|
||
((struct sunos_link_hash_entry *) \
|
||
aout_link_hash_lookup (&(table)->root, (string), (create), (copy),\
|
||
(follow)))
|
||
|
||
/* Traverse a SunOS link hash table. */
|
||
|
||
#define sunos_link_hash_traverse(table, func, info) \
|
||
(aout_link_hash_traverse \
|
||
(&(table)->root, \
|
||
(bfd_boolean (*) (struct aout_link_hash_entry *, void *)) (func), \
|
||
(info)))
|
||
|
||
/* Get the SunOS link hash table from the info structure. This is
|
||
just a cast. */
|
||
|
||
#define sunos_hash_table(p) ((struct sunos_link_hash_table *) ((p)->hash))
|
||
|
||
/* 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
|
||
look for these special sections names and put them in the right
|
||
place in the output file. See include/aout/sun4.h for more details
|
||
of the dynamic linking information. */
|
||
|
||
static bfd_boolean
|
||
sunos_create_dynamic_sections (bfd *abfd,
|
||
struct bfd_link_info *info,
|
||
bfd_boolean needed)
|
||
{
|
||
asection *s;
|
||
|
||
if (! sunos_hash_table (info)->dynamic_sections_created)
|
||
{
|
||
flagword flags;
|
||
|
||
sunos_hash_table (info)->dynobj = abfd;
|
||
|
||
flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
|
||
| SEC_LINKER_CREATED);
|
||
|
||
/* The .dynamic section holds the basic dynamic information: the
|
||
sun4_dynamic structure, the dynamic debugger information, and
|
||
the sun4_dynamic_link structure. */
|
||
s = bfd_make_section_anyway_with_flags (abfd, ".dynamic", flags);
|
||
if (s == NULL
|
||
|| ! bfd_set_section_alignment (abfd, s, 2))
|
||
return FALSE;
|
||
|
||
/* The .got section holds the global offset table. The address
|
||
is put in the ld_got field. */
|
||
s = bfd_make_section_anyway_with_flags (abfd, ".got", flags);
|
||
if (s == NULL
|
||
|| ! bfd_set_section_alignment (abfd, s, 2))
|
||
return FALSE;
|
||
|
||
/* The .plt section holds the procedure linkage table. The
|
||
address is put in the ld_plt field. */
|
||
s = bfd_make_section_anyway_with_flags (abfd, ".plt", flags | SEC_CODE);
|
||
if (s == NULL
|
||
|| ! bfd_set_section_alignment (abfd, s, 2))
|
||
return FALSE;
|
||
|
||
/* The .dynrel section holds the dynamic relocs. The address is
|
||
put in the ld_rel field. */
|
||
s = bfd_make_section_anyway_with_flags (abfd, ".dynrel",
|
||
flags | SEC_READONLY);
|
||
if (s == NULL
|
||
|| ! bfd_set_section_alignment (abfd, s, 2))
|
||
return FALSE;
|
||
|
||
/* The .hash section holds the dynamic hash table. The address
|
||
is put in the ld_hash field. */
|
||
s = bfd_make_section_anyway_with_flags (abfd, ".hash",
|
||
flags | SEC_READONLY);
|
||
if (s == NULL
|
||
|| ! bfd_set_section_alignment (abfd, s, 2))
|
||
return FALSE;
|
||
|
||
/* The .dynsym section holds the dynamic symbols. The address
|
||
is put in the ld_stab field. */
|
||
s = bfd_make_section_anyway_with_flags (abfd, ".dynsym",
|
||
flags | SEC_READONLY);
|
||
if (s == NULL
|
||
|| ! bfd_set_section_alignment (abfd, s, 2))
|
||
return FALSE;
|
||
|
||
/* The .dynstr section holds the dynamic symbol string table.
|
||
The address is put in the ld_symbols field. */
|
||
s = bfd_make_section_anyway_with_flags (abfd, ".dynstr",
|
||
flags | SEC_READONLY);
|
||
if (s == NULL
|
||
|| ! bfd_set_section_alignment (abfd, s, 2))
|
||
return FALSE;
|
||
|
||
sunos_hash_table (info)->dynamic_sections_created = TRUE;
|
||
}
|
||
|
||
if ((needed && ! sunos_hash_table (info)->dynamic_sections_needed)
|
||
|| info->shared)
|
||
{
|
||
bfd *dynobj;
|
||
|
||
dynobj = sunos_hash_table (info)->dynobj;
|
||
|
||
s = bfd_get_linker_section (dynobj, ".got");
|
||
if (s->size == 0)
|
||
s->size = BYTES_IN_WORD;
|
||
|
||
sunos_hash_table (info)->dynamic_sections_needed = TRUE;
|
||
sunos_hash_table (info)->got_needed = TRUE;
|
||
}
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
/* Add dynamic symbols during a link. This is called by the a.out
|
||
backend linker for each object it encounters. */
|
||
|
||
static bfd_boolean
|
||
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;
|
||
unsigned long need;
|
||
|
||
/* Make sure we have all the required sections. */
|
||
if (info->output_bfd->xvec == abfd->xvec)
|
||
{
|
||
if (! sunos_create_dynamic_sections (abfd, info,
|
||
((abfd->flags & DYNAMIC) != 0
|
||
&& !info->relocatable)))
|
||
return FALSE;
|
||
}
|
||
|
||
/* There is nothing else to do for a normal object. */
|
||
if ((abfd->flags & DYNAMIC) == 0)
|
||
return TRUE;
|
||
|
||
dynobj = sunos_hash_table (info)->dynobj;
|
||
|
||
/* We do not want to include the sections in a dynamic object in the
|
||
output file. We hack by simply clobbering the list of sections
|
||
in the BFD. This could be handled more cleanly by, say, a new
|
||
section flag; the existing SEC_NEVER_LOAD flag is not the one we
|
||
want, because that one still implies that the section takes up
|
||
space in the output file. If this is the first object we have
|
||
seen, we must preserve the dynamic sections we just created. */
|
||
if (abfd != dynobj)
|
||
abfd->sections = NULL;
|
||
else
|
||
{
|
||
asection *s;
|
||
|
||
for (s = abfd->sections; s != NULL; s = s->next)
|
||
{
|
||
if ((s->flags & SEC_LINKER_CREATED) == 0)
|
||
bfd_section_list_remove (abfd, s);
|
||
}
|
||
}
|
||
|
||
/* The native linker seems to just ignore dynamic objects when -r is
|
||
used. */
|
||
if (info->relocatable)
|
||
return TRUE;
|
||
|
||
/* There's no hope of using a dynamic object which does not exactly
|
||
match the format of the output file. */
|
||
if (info->output_bfd->xvec != abfd->xvec)
|
||
{
|
||
bfd_set_error (bfd_error_invalid_operation);
|
||
return FALSE;
|
||
}
|
||
|
||
/* Make sure we have a .need and a .rules sections. These are only
|
||
needed if there really is a dynamic object in the link, so they
|
||
are not added by sunos_create_dynamic_sections. */
|
||
if (bfd_get_section_by_name (dynobj, ".need") == NULL)
|
||
{
|
||
/* The .need section holds the list of names of shared objets
|
||
which must be included at runtime. The address of this
|
||
section is put in the ld_need field. */
|
||
flagword flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
|
||
| SEC_IN_MEMORY | SEC_READONLY);
|
||
asection *s = bfd_make_section_with_flags (dynobj, ".need", flags);
|
||
if (s == NULL
|
||
|| ! bfd_set_section_alignment (dynobj, s, 2))
|
||
return FALSE;
|
||
}
|
||
|
||
if (bfd_get_section_by_name (dynobj, ".rules") == NULL)
|
||
{
|
||
/* The .rules section holds the path to search for shared
|
||
objects. The address of this section is put in the ld_rules
|
||
field. */
|
||
flagword flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
|
||
| SEC_IN_MEMORY | SEC_READONLY);
|
||
asection *s = bfd_make_section_with_flags (dynobj, ".rules", flags);
|
||
if (s == NULL
|
||
|| ! bfd_set_section_alignment (dynobj, s, 2))
|
||
return FALSE;
|
||
}
|
||
|
||
/* Pick up the dynamic symbols and return them to the caller. */
|
||
if (! sunos_slurp_dynamic_symtab (abfd))
|
||
return FALSE;
|
||
|
||
dinfo = (struct sunos_dynamic_info *) obj_aout_dynamic_info (abfd);
|
||
*symsp = dinfo->dynsym;
|
||
*sym_countp = dinfo->dynsym_count;
|
||
*stringsp = dinfo->dynstr;
|
||
|
||
/* Record information about any other objects needed by this one. */
|
||
need = dinfo->dyninfo.ld_need;
|
||
while (need != 0)
|
||
{
|
||
bfd_byte buf[16];
|
||
unsigned long name, flags;
|
||
unsigned short major_vno, minor_vno;
|
||
struct bfd_link_needed_list *needed, **pp;
|
||
char *namebuf, *p;
|
||
bfd_size_type alc;
|
||
bfd_byte b;
|
||
char *namecopy;
|
||
|
||
if (bfd_seek (abfd, (file_ptr) need, SEEK_SET) != 0
|
||
|| bfd_bread (buf, (bfd_size_type) 16, abfd) != 16)
|
||
return FALSE;
|
||
|
||
/* 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);
|
||
minor_vno = (unsigned short) bfd_get_16 (abfd, buf + 10);
|
||
need = bfd_get_32 (abfd, buf + 12);
|
||
|
||
alc = sizeof (struct bfd_link_needed_list);
|
||
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 = bfd_malloc (alc + 1);
|
||
if (namebuf == NULL)
|
||
return FALSE;
|
||
p = namebuf;
|
||
|
||
if ((flags & 0x80000000) != 0)
|
||
{
|
||
*p++ = '-';
|
||
*p++ = 'l';
|
||
}
|
||
if (bfd_seek (abfd, (file_ptr) name, SEEK_SET) != 0)
|
||
{
|
||
free (namebuf);
|
||
return FALSE;
|
||
}
|
||
|
||
do
|
||
{
|
||
if (bfd_bread (&b, (bfd_size_type) 1, abfd) != 1)
|
||
{
|
||
free (namebuf);
|
||
return FALSE;
|
||
}
|
||
|
||
if ((bfd_size_type) (p - namebuf) >= alc)
|
||
{
|
||
char *n;
|
||
|
||
alc *= 2;
|
||
n = bfd_realloc (namebuf, alc + 1);
|
||
if (n == NULL)
|
||
{
|
||
free (namebuf);
|
||
return FALSE;
|
||
}
|
||
p = n + (p - namebuf);
|
||
namebuf = n;
|
||
}
|
||
|
||
*p++ = b;
|
||
}
|
||
while (b != '\0');
|
||
|
||
if (major_vno == 0)
|
||
*p = '\0';
|
||
else
|
||
{
|
||
char majbuf[30];
|
||
char minbuf[30];
|
||
|
||
sprintf (majbuf, ".%d", major_vno);
|
||
if (minor_vno == 0)
|
||
minbuf[0] = '\0';
|
||
else
|
||
sprintf (minbuf, ".%d", minor_vno);
|
||
|
||
if ((p - namebuf) + strlen (majbuf) + strlen (minbuf) >= alc)
|
||
{
|
||
char *n;
|
||
|
||
alc = (p - namebuf) + strlen (majbuf) + strlen (minbuf);
|
||
n = bfd_realloc (namebuf, alc + 1);
|
||
if (n == NULL)
|
||
{
|
||
free (namebuf);
|
||
return FALSE;
|
||
}
|
||
p = n + (p - namebuf);
|
||
namebuf = n;
|
||
}
|
||
|
||
strcpy (p, majbuf);
|
||
strcat (p, minbuf);
|
||
}
|
||
|
||
namecopy = bfd_alloc (abfd, (bfd_size_type) strlen (namebuf) + 1);
|
||
if (namecopy == NULL)
|
||
{
|
||
free (namebuf);
|
||
return FALSE;
|
||
}
|
||
strcpy (namecopy, namebuf);
|
||
free (namebuf);
|
||
needed->name = namecopy;
|
||
|
||
needed->next = NULL;
|
||
|
||
for (pp = &sunos_hash_table (info)->needed;
|
||
*pp != NULL;
|
||
pp = &(*pp)->next)
|
||
;
|
||
*pp = needed;
|
||
}
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
/* Function to add a single symbol to the linker hash table. This is
|
||
a wrapper around _bfd_generic_link_add_one_symbol which handles the
|
||
tweaking needed for dynamic linking support. */
|
||
|
||
static bfd_boolean
|
||
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 ((flags & (BSF_INDIRECT | BSF_WARNING | BSF_CONSTRUCTOR)) != 0
|
||
|| ! bfd_is_und_section (section))
|
||
h = sunos_link_hash_lookup (sunos_hash_table (info), name, TRUE, copy,
|
||
FALSE);
|
||
else
|
||
h = ((struct sunos_link_hash_entry *)
|
||
bfd_wrapped_link_hash_lookup (abfd, info, name, TRUE, copy, FALSE));
|
||
if (h == NULL)
|
||
return FALSE;
|
||
|
||
if (hashp != NULL)
|
||
*hashp = (struct bfd_link_hash_entry *) h;
|
||
|
||
/* Treat a common symbol in a dynamic object as defined in the .bss
|
||
section of the dynamic object. We don't want to allocate space
|
||
for it in our process image. */
|
||
if ((abfd->flags & DYNAMIC) != 0
|
||
&& bfd_is_com_section (section))
|
||
section = obj_bsssec (abfd);
|
||
|
||
if (! bfd_is_und_section (section)
|
||
&& h->root.root.type != bfd_link_hash_new
|
||
&& h->root.root.type != bfd_link_hash_undefined
|
||
&& h->root.root.type != bfd_link_hash_defweak)
|
||
{
|
||
/* We are defining the symbol, and it is already defined. This
|
||
is a potential multiple definition error. */
|
||
if ((abfd->flags & DYNAMIC) != 0)
|
||
{
|
||
/* The definition we are adding is from a dynamic object.
|
||
We do not want this new definition to override the
|
||
existing definition, so we pretend it is just a
|
||
reference. */
|
||
section = bfd_und_section_ptr;
|
||
}
|
||
else if (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 definition is from a dynamic object. We
|
||
want to override it with the definition we just found.
|
||
Clobber the existing definition. */
|
||
h->root.root.type = bfd_link_hash_undefined;
|
||
h->root.root.u.undef.abfd = h->root.root.u.def.section->owner;
|
||
}
|
||
else if (h->root.root.type == bfd_link_hash_common
|
||
&& (h->root.root.u.c.p->section->owner->flags & DYNAMIC) != 0)
|
||
{
|
||
/* The existing definition is from a dynamic object. We
|
||
want to override it with the definition we just found.
|
||
Clobber the existing definition. We can't set it to new,
|
||
because it is on the undefined list. */
|
||
h->root.root.type = bfd_link_hash_undefined;
|
||
h->root.root.u.undef.abfd = h->root.root.u.c.p->section->owner;
|
||
}
|
||
}
|
||
|
||
if ((abfd->flags & DYNAMIC) != 0
|
||
&& abfd->xvec == info->output_bfd->xvec
|
||
&& (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;
|
||
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;
|
||
|
||
/* Do the usual procedure for adding a symbol. */
|
||
if (! _bfd_generic_link_add_one_symbol (info, abfd, name, flags, section,
|
||
value, string, copy, collect,
|
||
hashp))
|
||
return FALSE;
|
||
|
||
if (abfd->xvec == info->output_bfd->xvec)
|
||
{
|
||
/* Set a flag in the hash table entry indicating the type of
|
||
reference or definition we just found. Keep a count of the
|
||
number of dynamic symbols we find. A dynamic symbol is one
|
||
which is referenced or defined by both a regular object and a
|
||
shared object. */
|
||
if ((abfd->flags & DYNAMIC) == 0)
|
||
{
|
||
if (bfd_is_und_section (section))
|
||
new_flag = SUNOS_REF_REGULAR;
|
||
else
|
||
new_flag = SUNOS_DEF_REGULAR;
|
||
}
|
||
else
|
||
{
|
||
if (bfd_is_und_section (section))
|
||
new_flag = SUNOS_REF_DYNAMIC;
|
||
else
|
||
new_flag = SUNOS_DEF_DYNAMIC;
|
||
}
|
||
h->flags |= new_flag;
|
||
|
||
if (h->dynindx == -1
|
||
&& (h->flags & (SUNOS_DEF_REGULAR | SUNOS_REF_REGULAR)) != 0)
|
||
{
|
||
++sunos_hash_table (info)->dynsymcount;
|
||
h->dynindx = -2;
|
||
}
|
||
|
||
if ((flags & BSF_CONSTRUCTOR) != 0
|
||
&& (abfd->flags & DYNAMIC) == 0)
|
||
h->flags |= SUNOS_CONSTRUCTOR;
|
||
}
|
||
|
||
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 (bfd *abfd ATTRIBUTE_UNUSED,
|
||
struct bfd_link_info *info)
|
||
{
|
||
if (info->output_bfd->xvec != &MY (vec))
|
||
return NULL;
|
||
return sunos_hash_table (info)->needed;
|
||
}
|
||
|
||
/* Record an assignment made to a symbol by a linker script. We need
|
||
this in case some dynamic object refers to this symbol. */
|
||
|
||
bfd_boolean
|
||
bfd_sunos_record_link_assignment (bfd *output_bfd,
|
||
struct bfd_link_info *info,
|
||
const char *name)
|
||
{
|
||
struct sunos_link_hash_entry *h;
|
||
|
||
if (output_bfd->xvec != &MY(vec))
|
||
return TRUE;
|
||
|
||
/* This is called after we have examined all the input objects. If
|
||
the symbol does not exist, it merely means that no object refers
|
||
to it, and we can just ignore it at this point. */
|
||
h = sunos_link_hash_lookup (sunos_hash_table (info), name,
|
||
FALSE, FALSE, FALSE);
|
||
if (h == NULL)
|
||
return TRUE;
|
||
|
||
/* In a shared library, the __DYNAMIC symbol does not appear in the
|
||
dynamic symbol table. */
|
||
if (! info->shared || strcmp (name, "__DYNAMIC") != 0)
|
||
{
|
||
h->flags |= SUNOS_DEF_REGULAR;
|
||
|
||
if (h->dynindx == -1)
|
||
{
|
||
++sunos_hash_table (info)->dynsymcount;
|
||
h->dynindx = -2;
|
||
}
|
||
}
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
/* 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 (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_linker_section (dynobj, ".plt");
|
||
srel = bfd_get_linker_section (dynobj, ".dynrel");
|
||
BFD_ASSERT (splt != NULL && srel != NULL);
|
||
|
||
sgot = bfd_get_linker_section (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;
|
||
|
||
/* This reloc is not in the .text section. It must be
|
||
copied into the dynamic relocs. We mark the symbol as
|
||
being undefined. */
|
||
srel->size += RELOC_STD_SIZE;
|
||
sub = h->root.root.u.def.section->owner;
|
||
h->root.root.type = bfd_link_hash_undefined;
|
||
h->root.root.u.undef.abfd = sub;
|
||
}
|
||
else
|
||
{
|
||
/* This symbol is in the .text section. We must give it an
|
||
entry in the procedure linkage table, if we have not
|
||
already done so. We change the definition of the symbol
|
||
to the .plt section; this will cause relocs against it to
|
||
be handled correctly. */
|
||
if (h->plt_offset == 0)
|
||
{
|
||
if (splt->size == 0)
|
||
splt->size = M68K_PLT_ENTRY_SIZE;
|
||
h->plt_offset = splt->size;
|
||
|
||
if ((h->flags & SUNOS_DEF_REGULAR) == 0)
|
||
{
|
||
h->root.root.u.def.section = splt;
|
||
h->root.root.u.def.value = splt->size;
|
||
}
|
||
|
||
splt->size += M68K_PLT_ENTRY_SIZE;
|
||
|
||
/* We may also need a dynamic reloc entry. */
|
||
if ((h->flags & SUNOS_DEF_REGULAR) == 0)
|
||
srel->size += RELOC_STD_SIZE;
|
||
}
|
||
}
|
||
}
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
/* Scan the relocs for an input section using extended relocs. We
|
||
need to figure out what to do for each reloc against a dynamic
|
||
symbol. If the reloc is a WDISP30, and the symbol is in the .text
|
||
section, an entry is made in the procedure linkage table.
|
||
Otherwise, we must preserve the reloc as a dynamic reloc. */
|
||
|
||
static bfd_boolean
|
||
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;
|
||
const struct reloc_ext_external *rel, *relend;
|
||
asection *splt = NULL;
|
||
asection *sgot = NULL;
|
||
asection *srel = NULL;
|
||
bfd_size_type amt;
|
||
|
||
/* We only know how to handle SPARC plt entries. */
|
||
if (bfd_get_arch (abfd) != bfd_arch_sparc)
|
||
{
|
||
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_EXT_SIZE;
|
||
for (rel = relocs; rel < relend; rel++)
|
||
{
|
||
unsigned int r_index;
|
||
int r_extern;
|
||
int r_type;
|
||
struct sunos_link_hash_entry *h = NULL;
|
||
|
||
/* Swap in the reloc information. */
|
||
if (bfd_header_big_endian (abfd))
|
||
{
|
||
r_index = ((rel->r_index[0] << 16)
|
||
| (rel->r_index[1] << 8)
|
||
| rel->r_index[2]);
|
||
r_extern = (0 != (rel->r_type[0] & RELOC_EXT_BITS_EXTERN_BIG));
|
||
r_type = ((rel->r_type[0] & RELOC_EXT_BITS_TYPE_BIG)
|
||
>> RELOC_EXT_BITS_TYPE_SH_BIG);
|
||
}
|
||
else
|
||
{
|
||
r_index = ((rel->r_index[2] << 16)
|
||
| (rel->r_index[1] << 8)
|
||
| rel->r_index[0]);
|
||
r_extern = (0 != (rel->r_type[0] & RELOC_EXT_BITS_EXTERN_LITTLE));
|
||
r_type = ((rel->r_type[0] & RELOC_EXT_BITS_TYPE_LITTLE)
|
||
>> RELOC_EXT_BITS_TYPE_SH_LITTLE);
|
||
}
|
||
|
||
if (r_extern)
|
||
{
|
||
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;
|
||
}
|
||
}
|
||
|
||
/* If this is a base relative reloc, we need to make an entry in
|
||
the .got section. */
|
||
if (r_type == RELOC_BASE10
|
||
|| r_type == RELOC_BASE13
|
||
|| r_type == RELOC_BASE22)
|
||
{
|
||
if (dynobj == NULL)
|
||
{
|
||
if (! sunos_create_dynamic_sections (abfd, info, FALSE))
|
||
return FALSE;
|
||
dynobj = sunos_hash_table (info)->dynobj;
|
||
splt = bfd_get_linker_section (dynobj, ".plt");
|
||
sgot = bfd_get_linker_section (dynobj, ".got");
|
||
srel = bfd_get_linker_section (dynobj, ".dynrel");
|
||
BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
|
||
|
||
/* Make sure we have an initial entry in the .got table. */
|
||
if (sgot->size == 0)
|
||
sgot->size = BYTES_IN_WORD;
|
||
sunos_hash_table (info)->got_needed = TRUE;
|
||
}
|
||
|
||
if (r_extern)
|
||
{
|
||
if (h->got_offset != 0)
|
||
continue;
|
||
|
||
h->got_offset = sgot->size;
|
||
}
|
||
else
|
||
{
|
||
if (r_index >= bfd_get_symcount (abfd))
|
||
/* 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_zalloc (abfd, amt);
|
||
if (adata (abfd).local_got_offsets == NULL)
|
||
return FALSE;
|
||
}
|
||
|
||
if (adata (abfd).local_got_offsets[r_index] != 0)
|
||
continue;
|
||
|
||
adata (abfd).local_got_offsets[r_index] = sgot->size;
|
||
}
|
||
|
||
sgot->size += BYTES_IN_WORD;
|
||
|
||
/* If we are making a shared library, or if the symbol is
|
||
defined by a dynamic object, we will need a dynamic reloc
|
||
entry. */
|
||
if (info->shared
|
||
|| (h != NULL
|
||
&& (h->flags & SUNOS_DEF_DYNAMIC) != 0
|
||
&& (h->flags & SUNOS_DEF_REGULAR) == 0))
|
||
srel->size += RELOC_EXT_SIZE;
|
||
|
||
continue;
|
||
}
|
||
|
||
/* Otherwise, we are only interested in relocs against symbols
|
||
defined in dynamic objects but not in regular objects. We
|
||
only need to consider relocs against external symbols. */
|
||
if (! r_extern)
|
||
{
|
||
/* But, if we are creating a shared library, we need to
|
||
generate an absolute reloc. */
|
||
if (info->shared)
|
||
{
|
||
if (dynobj == NULL)
|
||
{
|
||
if (! sunos_create_dynamic_sections (abfd, info, TRUE))
|
||
return FALSE;
|
||
dynobj = sunos_hash_table (info)->dynobj;
|
||
splt = bfd_get_linker_section (dynobj, ".plt");
|
||
sgot = bfd_get_linker_section (dynobj, ".got");
|
||
srel = bfd_get_linker_section (dynobj, ".dynrel");
|
||
BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
|
||
}
|
||
|
||
srel->size += RELOC_EXT_SIZE;
|
||
}
|
||
|
||
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 (r_type != RELOC_JMP_TBL
|
||
&& ! info->shared
|
||
&& ((h->flags & SUNOS_DEF_DYNAMIC) == 0
|
||
|| (h->flags & SUNOS_DEF_REGULAR) != 0))
|
||
continue;
|
||
|
||
if (r_type == RELOC_JMP_TBL
|
||
&& ! info->shared
|
||
&& (h->flags & SUNOS_DEF_DYNAMIC) == 0
|
||
&& (h->flags & SUNOS_DEF_REGULAR) == 0)
|
||
{
|
||
/* This symbol is apparently undefined. Don't do anything
|
||
here; just let the relocation routine report an undefined
|
||
symbol. */
|
||
continue;
|
||
}
|
||
|
||
if (strcmp (h->root.root.root.string, "__GLOBAL_OFFSET_TABLE_") == 0)
|
||
continue;
|
||
|
||
if (dynobj == NULL)
|
||
{
|
||
if (! sunos_create_dynamic_sections (abfd, info, FALSE))
|
||
return FALSE;
|
||
dynobj = sunos_hash_table (info)->dynobj;
|
||
splt = bfd_get_linker_section (dynobj, ".plt");
|
||
sgot = bfd_get_linker_section (dynobj, ".got");
|
||
srel = bfd_get_linker_section (dynobj, ".dynrel");
|
||
BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
|
||
|
||
/* Make sure we have an initial entry in the .got table. */
|
||
if (sgot->size == 0)
|
||
sgot->size = BYTES_IN_WORD;
|
||
sunos_hash_table (info)->got_needed = TRUE;
|
||
}
|
||
|
||
BFD_ASSERT (r_type == RELOC_JMP_TBL
|
||
|| info->shared
|
||
|| (h->flags & SUNOS_REF_REGULAR) != 0);
|
||
BFD_ASSERT (r_type == RELOC_JMP_TBL
|
||
|| info->shared
|
||
|| 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, or it is a jump table reloc from PIC compiled code. */
|
||
|
||
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;
|
||
|
||
else if (r_type != RELOC_JMP_TBL
|
||
&& (h->root.root.u.def.section->flags & SEC_CODE) == 0)
|
||
{
|
||
bfd *sub;
|
||
|
||
/* This reloc is not in the .text section. It must be
|
||
copied into the dynamic relocs. We mark the symbol as
|
||
being undefined. */
|
||
srel->size += RELOC_EXT_SIZE;
|
||
if ((h->flags & SUNOS_DEF_REGULAR) == 0)
|
||
{
|
||
sub = h->root.root.u.def.section->owner;
|
||
h->root.root.type = bfd_link_hash_undefined;
|
||
h->root.root.u.undef.abfd = sub;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
/* This symbol is in the .text section. We must give it an
|
||
entry in the procedure linkage table, if we have not
|
||
already done so. We change the definition of the symbol
|
||
to the .plt section; this will cause relocs against it to
|
||
be handled correctly. */
|
||
if (h->plt_offset == 0)
|
||
{
|
||
if (splt->size == 0)
|
||
splt->size = SPARC_PLT_ENTRY_SIZE;
|
||
h->plt_offset = splt->size;
|
||
|
||
if ((h->flags & SUNOS_DEF_REGULAR) == 0)
|
||
{
|
||
if (h->root.root.type == bfd_link_hash_undefined)
|
||
h->root.root.type = bfd_link_hash_defined;
|
||
h->root.root.u.def.section = splt;
|
||
h->root.root.u.def.value = splt->size;
|
||
}
|
||
|
||
splt->size += SPARC_PLT_ENTRY_SIZE;
|
||
|
||
/* We will also need a dynamic reloc entry, unless this
|
||
is a JMP_TBL reloc produced by linking PIC compiled
|
||
code, and we are not making a shared library. */
|
||
if (info->shared || (h->flags & SUNOS_DEF_REGULAR) == 0)
|
||
srel->size += RELOC_EXT_SIZE;
|
||
}
|
||
|
||
/* If we are creating a shared library, we need to copy over
|
||
any reloc other than a jump table reloc. */
|
||
if (info->shared && r_type != RELOC_JMP_TBL)
|
||
srel->size += RELOC_EXT_SIZE;
|
||
}
|
||
}
|
||
|
||
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 (struct sunos_link_hash_entry *h, void * data)
|
||
{
|
||
struct bfd_link_info *info = (struct bfd_link_info *) data;
|
||
|
||
/* Set the written flag for symbols we do not want to write out as
|
||
part of the regular symbol table. This is all symbols which are
|
||
not defined in a regular object file. For some reason symbols
|
||
which are referenced by a regular object and defined by a dynamic
|
||
object do not seem to show up in the regular symbol table. It is
|
||
possible for a symbol to have only SUNOS_REF_REGULAR set here, it
|
||
is an undefined symbol which was turned into a common symbol
|
||
because it was found in an archive object which was not included
|
||
in the link. */
|
||
if ((h->flags & SUNOS_DEF_REGULAR) == 0
|
||
&& (h->flags & SUNOS_DEF_DYNAMIC) != 0
|
||
&& strcmp (h->root.root.root.string, "__DYNAMIC") != 0)
|
||
h->root.written = TRUE;
|
||
|
||
/* 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)
|
||
{
|
||
if ((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.def.section->output_section == NULL)
|
||
{
|
||
bfd *sub;
|
||
|
||
/* This symbol is currently defined in a dynamic section
|
||
which is not being put into the output file. This
|
||
implies that there is no reloc against the symbol. I'm
|
||
not sure why this case would ever occur. In any case, we
|
||
change the symbol to be undefined. */
|
||
sub = h->root.root.u.def.section->owner;
|
||
h->root.root.type = bfd_link_hash_undefined;
|
||
h->root.root.u.undef.abfd = sub;
|
||
}
|
||
}
|
||
|
||
/* If this symbol is defined or referenced by a regular file, add it
|
||
to the dynamic symbols. */
|
||
if ((h->flags & (SUNOS_DEF_REGULAR | SUNOS_REF_REGULAR)) != 0)
|
||
{
|
||
asection *s;
|
||
size_t len;
|
||
bfd_byte *contents;
|
||
unsigned char *name;
|
||
unsigned long hash;
|
||
bfd *dynobj;
|
||
|
||
BFD_ASSERT (h->dynindx == -2);
|
||
|
||
dynobj = sunos_hash_table (info)->dynobj;
|
||
|
||
h->dynindx = sunos_hash_table (info)->dynsymcount;
|
||
++sunos_hash_table (info)->dynsymcount;
|
||
|
||
len = strlen (h->root.root.root.string);
|
||
|
||
/* We don't bother to construct a BFD hash table for the strings
|
||
which are the names of the dynamic symbols. Using a hash
|
||
table for the regular symbols is beneficial, because the
|
||
regular symbols includes the debugging symbols, which have
|
||
long names and are often duplicated in several object files.
|
||
There are no debugging symbols in the dynamic symbols. */
|
||
s = bfd_get_linker_section (dynobj, ".dynstr");
|
||
BFD_ASSERT (s != NULL);
|
||
contents = bfd_realloc (s->contents, s->size + len + 1);
|
||
if (contents == NULL)
|
||
return FALSE;
|
||
s->contents = contents;
|
||
|
||
h->dynstr_index = s->size;
|
||
strcpy ((char *) contents + s->size, h->root.root.root.string);
|
||
s->size += len + 1;
|
||
|
||
/* Add it to the dynamic hash table. */
|
||
name = (unsigned char *) h->root.root.root.string;
|
||
hash = 0;
|
||
while (*name != '\0')
|
||
hash = (hash << 1) + *name++;
|
||
hash &= 0x7fffffff;
|
||
hash %= sunos_hash_table (info)->bucketcount;
|
||
|
||
s = bfd_get_linker_section (dynobj, ".hash");
|
||
BFD_ASSERT (s != NULL);
|
||
|
||
if (GET_SWORD (dynobj, s->contents + hash * HASH_ENTRY_SIZE) == -1)
|
||
PUT_WORD (dynobj, h->dynindx, s->contents + hash * HASH_ENTRY_SIZE);
|
||
else
|
||
{
|
||
bfd_vma next;
|
||
|
||
next = GET_WORD (dynobj,
|
||
(s->contents
|
||
+ hash * HASH_ENTRY_SIZE
|
||
+ BYTES_IN_WORD));
|
||
PUT_WORD (dynobj, s->size / HASH_ENTRY_SIZE,
|
||
s->contents + hash * HASH_ENTRY_SIZE + BYTES_IN_WORD);
|
||
PUT_WORD (dynobj, h->dynindx, s->contents + s->size);
|
||
PUT_WORD (dynobj, next, s->contents + s->size + BYTES_IN_WORD);
|
||
s->size += HASH_ENTRY_SIZE;
|
||
}
|
||
}
|
||
|
||
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;
|
||
}
|
||
s = bfd_get_linker_section (dynobj, ".got");
|
||
BFD_ASSERT (s != NULL);
|
||
h->root.root.type = bfd_link_hash_defined;
|
||
h->root.root.u.def.section = s;
|
||
|
||
/* 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. */
|
||
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_linker_section (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_linker_section (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_linker_section (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_linker_section (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_linker_section (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_linker_section (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_linker_section (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 (struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
||
bfd *abfd ATTRIBUTE_UNUSED)
|
||
{
|
||
return TRUE;
|
||
}
|
||
|
||
/* Write out a dynamic symbol. This is called by the final traversal
|
||
over the symbol table. */
|
||
|
||
static bfd_boolean
|
||
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;
|
||
bfd_vma val;
|
||
asection *s;
|
||
struct external_nlist *outsym;
|
||
|
||
/* If this symbol is in the procedure linkage table, fill in the
|
||
table entry. */
|
||
if (h->plt_offset != 0)
|
||
{
|
||
bfd *dynobj;
|
||
asection *splt;
|
||
bfd_byte *p;
|
||
bfd_vma r_address;
|
||
|
||
dynobj = sunos_hash_table (info)->dynobj;
|
||
splt = bfd_get_linker_section (dynobj, ".plt");
|
||
p = splt->contents + h->plt_offset;
|
||
|
||
s = bfd_get_linker_section (dynobj, ".dynrel");
|
||
|
||
r_address = (splt->output_section->vma
|
||
+ splt->output_offset
|
||
+ h->plt_offset);
|
||
|
||
switch (bfd_get_arch (output_bfd))
|
||
{
|
||
case bfd_arch_sparc:
|
||
if (info->shared || (h->flags & SUNOS_DEF_REGULAR) == 0)
|
||
{
|
||
bfd_put_32 (output_bfd, SPARC_PLT_ENTRY_WORD0, p);
|
||
bfd_put_32 (output_bfd,
|
||
(SPARC_PLT_ENTRY_WORD1
|
||
+ (((- (h->plt_offset + 4) >> 2)
|
||
& 0x3fffffff))),
|
||
p + 4);
|
||
bfd_put_32 (output_bfd, SPARC_PLT_ENTRY_WORD2 + s->reloc_count,
|
||
p + 8);
|
||
}
|
||
else
|
||
{
|
||
val = (h->root.root.u.def.section->output_section->vma
|
||
+ h->root.root.u.def.section->output_offset
|
||
+ h->root.root.u.def.value);
|
||
bfd_put_32 (output_bfd,
|
||
SPARC_PLT_PIC_WORD0 + ((val >> 10) & 0x3fffff),
|
||
p);
|
||
bfd_put_32 (output_bfd,
|
||
SPARC_PLT_PIC_WORD1 + (val & 0x3ff),
|
||
p + 4);
|
||
bfd_put_32 (output_bfd, SPARC_PLT_PIC_WORD2, p + 8);
|
||
}
|
||
break;
|
||
|
||
case bfd_arch_m68k:
|
||
if (! info->shared && (h->flags & SUNOS_DEF_REGULAR) != 0)
|
||
abort ();
|
||
bfd_put_16 (output_bfd, M68K_PLT_ENTRY_WORD0, p);
|
||
bfd_put_32 (output_bfd, (- (h->plt_offset + 2)), p + 2);
|
||
bfd_put_16 (output_bfd, (bfd_vma) s->reloc_count, p + 6);
|
||
r_address += 2;
|
||
break;
|
||
|
||
default:
|
||
abort ();
|
||
}
|
||
|
||
/* We also need to add a jump table reloc, unless this is the
|
||
result of a JMP_TBL reloc from PIC compiled code. */
|
||
if (info->shared || (h->flags & SUNOS_DEF_REGULAR) == 0)
|
||
{
|
||
BFD_ASSERT (h->dynindx >= 0);
|
||
BFD_ASSERT (s->reloc_count * obj_reloc_entry_size (dynobj)
|
||
< s->size);
|
||
p = s->contents + s->reloc_count * obj_reloc_entry_size (output_bfd);
|
||
if (obj_reloc_entry_size (output_bfd) == RELOC_STD_SIZE)
|
||
{
|
||
struct reloc_std_external *srel;
|
||
|
||
srel = (struct reloc_std_external *) p;
|
||
PUT_WORD (output_bfd, r_address, srel->r_address);
|
||
if (bfd_header_big_endian (output_bfd))
|
||
{
|
||
srel->r_index[0] = (bfd_byte) (h->dynindx >> 16);
|
||
srel->r_index[1] = (bfd_byte) (h->dynindx >> 8);
|
||
srel->r_index[2] = (bfd_byte) (h->dynindx);
|
||
srel->r_type[0] = (RELOC_STD_BITS_EXTERN_BIG
|
||
| RELOC_STD_BITS_JMPTABLE_BIG);
|
||
}
|
||
else
|
||
{
|
||
srel->r_index[2] = (bfd_byte) (h->dynindx >> 16);
|
||
srel->r_index[1] = (bfd_byte) (h->dynindx >> 8);
|
||
srel->r_index[0] = (bfd_byte)h->dynindx;
|
||
srel->r_type[0] = (RELOC_STD_BITS_EXTERN_LITTLE
|
||
| RELOC_STD_BITS_JMPTABLE_LITTLE);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
struct reloc_ext_external *erel;
|
||
|
||
erel = (struct reloc_ext_external *) p;
|
||
PUT_WORD (output_bfd, r_address, erel->r_address);
|
||
if (bfd_header_big_endian (output_bfd))
|
||
{
|
||
erel->r_index[0] = (bfd_byte) (h->dynindx >> 16);
|
||
erel->r_index[1] = (bfd_byte) (h->dynindx >> 8);
|
||
erel->r_index[2] = (bfd_byte)h->dynindx;
|
||
erel->r_type[0] =
|
||
(RELOC_EXT_BITS_EXTERN_BIG
|
||
| (RELOC_JMP_SLOT << RELOC_EXT_BITS_TYPE_SH_BIG));
|
||
}
|
||
else
|
||
{
|
||
erel->r_index[2] = (bfd_byte) (h->dynindx >> 16);
|
||
erel->r_index[1] = (bfd_byte) (h->dynindx >> 8);
|
||
erel->r_index[0] = (bfd_byte)h->dynindx;
|
||
erel->r_type[0] =
|
||
(RELOC_EXT_BITS_EXTERN_LITTLE
|
||
| (RELOC_JMP_SLOT << RELOC_EXT_BITS_TYPE_SH_LITTLE));
|
||
}
|
||
PUT_WORD (output_bfd, (bfd_vma) 0, erel->r_addend);
|
||
}
|
||
|
||
++s->reloc_count;
|
||
}
|
||
}
|
||
|
||
/* If this is not a dynamic symbol, we don't have to do anything
|
||
else. We only check this after handling the PLT entry, because
|
||
we can have a PLT entry for a nondynamic symbol when linking PIC
|
||
compiled code from a regular object. */
|
||
if (h->dynindx < 0)
|
||
return TRUE;
|
||
|
||
switch (h->root.root.type)
|
||
{
|
||
default:
|
||
case bfd_link_hash_new:
|
||
abort ();
|
||
/* Avoid variable not initialized warnings. */
|
||
return TRUE;
|
||
case bfd_link_hash_undefined:
|
||
type = N_UNDF | N_EXT;
|
||
val = 0;
|
||
break;
|
||
case bfd_link_hash_defined:
|
||
case bfd_link_hash_defweak:
|
||
{
|
||
asection *sec;
|
||
asection *output_section;
|
||
|
||
sec = h->root.root.u.def.section;
|
||
output_section = sec->output_section;
|
||
BFD_ASSERT (bfd_is_abs_section (output_section)
|
||
|| output_section->owner == output_bfd);
|
||
if (h->plt_offset != 0
|
||
&& (h->flags & SUNOS_DEF_REGULAR) == 0)
|
||
{
|
||
type = N_UNDF | N_EXT;
|
||
val = 0;
|
||
}
|
||
else
|
||
{
|
||
if (output_section == obj_textsec (output_bfd))
|
||
type = (h->root.root.type == bfd_link_hash_defined
|
||
? N_TEXT
|
||
: N_WEAKT);
|
||
else if (output_section == obj_datasec (output_bfd))
|
||
type = (h->root.root.type == bfd_link_hash_defined
|
||
? N_DATA
|
||
: N_WEAKD);
|
||
else if (output_section == obj_bsssec (output_bfd))
|
||
type = (h->root.root.type == bfd_link_hash_defined
|
||
? N_BSS
|
||
: N_WEAKB);
|
||
else
|
||
type = (h->root.root.type == bfd_link_hash_defined
|
||
? N_ABS
|
||
: N_WEAKA);
|
||
type |= N_EXT;
|
||
val = (h->root.root.u.def.value
|
||
+ output_section->vma
|
||
+ sec->output_offset);
|
||
}
|
||
}
|
||
break;
|
||
case bfd_link_hash_common:
|
||
type = N_UNDF | N_EXT;
|
||
val = h->root.root.u.c.size;
|
||
break;
|
||
case bfd_link_hash_undefweak:
|
||
type = N_WEAKU;
|
||
val = 0;
|
||
break;
|
||
case bfd_link_hash_indirect:
|
||
case bfd_link_hash_warning:
|
||
/* FIXME: Ignore these for now. The circumstances under which
|
||
they should be written out are not clear to me. */
|
||
return TRUE;
|
||
}
|
||
|
||
s = bfd_get_linker_section (sunos_hash_table (info)->dynobj, ".dynsym");
|
||
BFD_ASSERT (s != NULL);
|
||
outsym = ((struct external_nlist *)
|
||
(s->contents + h->dynindx * EXTERNAL_NLIST_SIZE));
|
||
|
||
H_PUT_8 (output_bfd, type, outsym->e_type);
|
||
H_PUT_8 (output_bfd, 0, outsym->e_other);
|
||
|
||
/* FIXME: The native linker doesn't use 0 for desc. It seems to use
|
||
one less than the desc value in the shared library, although that
|
||
seems unlikely. */
|
||
H_PUT_16 (output_bfd, 0, outsym->e_desc);
|
||
|
||
PUT_WORD (output_bfd, h->dynstr_index, outsym->e_strx);
|
||
PUT_WORD (output_bfd, val, outsym->e_value);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
/* This is called for each reloc against an external symbol. If this
|
||
is a reloc which are are going to copy as a dynamic reloc, then
|
||
copy it over, and tell the caller to not bother processing this
|
||
reloc. */
|
||
|
||
static bfd_boolean
|
||
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;
|
||
bfd_boolean baserel;
|
||
bfd_boolean jmptbl;
|
||
bfd_boolean pcrel;
|
||
asection *s;
|
||
bfd_byte *p;
|
||
long indx;
|
||
|
||
*skip = FALSE;
|
||
|
||
dynobj = sunos_hash_table (info)->dynobj;
|
||
|
||
if (h != NULL
|
||
&& h->plt_offset != 0
|
||
&& (info->shared
|
||
|| (h->flags & SUNOS_DEF_REGULAR) == 0))
|
||
{
|
||
asection *splt;
|
||
|
||
/* Redirect the relocation to the PLT entry. */
|
||
splt = bfd_get_linker_section (dynobj, ".plt");
|
||
*relocationp = (splt->output_section->vma
|
||
+ splt->output_offset
|
||
+ h->plt_offset);
|
||
}
|
||
|
||
if (obj_reloc_entry_size (input_bfd) == RELOC_STD_SIZE)
|
||
{
|
||
struct reloc_std_external *srel;
|
||
|
||
srel = (struct reloc_std_external *) reloc;
|
||
if (bfd_header_big_endian (input_bfd))
|
||
{
|
||
baserel = (0 != (srel->r_type[0] & RELOC_STD_BITS_BASEREL_BIG));
|
||
jmptbl = (0 != (srel->r_type[0] & RELOC_STD_BITS_JMPTABLE_BIG));
|
||
pcrel = (0 != (srel->r_type[0] & RELOC_STD_BITS_PCREL_BIG));
|
||
}
|
||
else
|
||
{
|
||
baserel = (0 != (srel->r_type[0] & RELOC_STD_BITS_BASEREL_LITTLE));
|
||
jmptbl = (0 != (srel->r_type[0] & RELOC_STD_BITS_JMPTABLE_LITTLE));
|
||
pcrel = (0 != (srel->r_type[0] & RELOC_STD_BITS_PCREL_LITTLE));
|
||
}
|
||
}
|
||
else
|
||
{
|
||
struct reloc_ext_external *erel;
|
||
int r_type;
|
||
|
||
erel = (struct reloc_ext_external *) reloc;
|
||
if (bfd_header_big_endian (input_bfd))
|
||
r_type = ((erel->r_type[0] & RELOC_EXT_BITS_TYPE_BIG)
|
||
>> RELOC_EXT_BITS_TYPE_SH_BIG);
|
||
else
|
||
r_type = ((erel->r_type[0] & RELOC_EXT_BITS_TYPE_LITTLE)
|
||
>> RELOC_EXT_BITS_TYPE_SH_LITTLE);
|
||
baserel = (r_type == RELOC_BASE10
|
||
|| r_type == RELOC_BASE13
|
||
|| r_type == RELOC_BASE22);
|
||
jmptbl = r_type == RELOC_JMP_TBL;
|
||
pcrel = (r_type == RELOC_DISP8
|
||
|| r_type == RELOC_DISP16
|
||
|| r_type == RELOC_DISP32
|
||
|| r_type == RELOC_WDISP30
|
||
|| r_type == RELOC_WDISP22);
|
||
/* We don't consider the PC10 and PC22 types to be PC relative,
|
||
because they are pcrel_offset. */
|
||
}
|
||
|
||
if (baserel)
|
||
{
|
||
bfd_vma *got_offsetp;
|
||
asection *sgot;
|
||
|
||
if (h != NULL)
|
||
got_offsetp = &h->got_offset;
|
||
else if (adata (input_bfd).local_got_offsets == NULL)
|
||
got_offsetp = NULL;
|
||
else
|
||
{
|
||
struct reloc_std_external *srel;
|
||
int r_index;
|
||
|
||
srel = (struct reloc_std_external *) reloc;
|
||
if (obj_reloc_entry_size (input_bfd) == RELOC_STD_SIZE)
|
||
{
|
||
if (bfd_header_big_endian (input_bfd))
|
||
r_index = ((srel->r_index[0] << 16)
|
||
| (srel->r_index[1] << 8)
|
||
| srel->r_index[2]);
|
||
else
|
||
r_index = ((srel->r_index[2] << 16)
|
||
| (srel->r_index[1] << 8)
|
||
| srel->r_index[0]);
|
||
}
|
||
else
|
||
{
|
||
struct reloc_ext_external *erel;
|
||
|
||
erel = (struct reloc_ext_external *) reloc;
|
||
if (bfd_header_big_endian (input_bfd))
|
||
r_index = ((erel->r_index[0] << 16)
|
||
| (erel->r_index[1] << 8)
|
||
| erel->r_index[2]);
|
||
else
|
||
r_index = ((erel->r_index[2] << 16)
|
||
| (erel->r_index[1] << 8)
|
||
| erel->r_index[0]);
|
||
}
|
||
|
||
got_offsetp = adata (input_bfd).local_got_offsets + r_index;
|
||
}
|
||
|
||
BFD_ASSERT (got_offsetp != NULL && *got_offsetp != 0);
|
||
|
||
sgot = bfd_get_linker_section (dynobj, ".got");
|
||
|
||
/* We set the least significant bit to indicate whether we have
|
||
already initialized the GOT entry. */
|
||
if ((*got_offsetp & 1) == 0)
|
||
{
|
||
if (h == NULL
|
||
|| (! info->shared
|
||
&& ((h->flags & SUNOS_DEF_DYNAMIC) == 0
|
||
|| (h->flags & SUNOS_DEF_REGULAR) != 0)))
|
||
PUT_WORD (dynobj, *relocationp, sgot->contents + *got_offsetp);
|
||
else
|
||
PUT_WORD (dynobj, 0, sgot->contents + *got_offsetp);
|
||
|
||
if (info->shared
|
||
|| (h != NULL
|
||
&& (h->flags & SUNOS_DEF_DYNAMIC) != 0
|
||
&& (h->flags & SUNOS_DEF_REGULAR) == 0))
|
||
{
|
||
/* We need to create a GLOB_DAT or 32 reloc to tell the
|
||
dynamic linker to fill in this entry in the table. */
|
||
|
||
s = bfd_get_linker_section (dynobj, ".dynrel");
|
||
BFD_ASSERT (s != NULL);
|
||
BFD_ASSERT (s->reloc_count * obj_reloc_entry_size (dynobj)
|
||
< s->size);
|
||
|
||
p = (s->contents
|
||
+ s->reloc_count * obj_reloc_entry_size (dynobj));
|
||
|
||
if (h != NULL)
|
||
indx = h->dynindx;
|
||
else
|
||
indx = 0;
|
||
|
||
if (obj_reloc_entry_size (dynobj) == RELOC_STD_SIZE)
|
||
{
|
||
struct reloc_std_external *srel;
|
||
|
||
srel = (struct reloc_std_external *) p;
|
||
PUT_WORD (dynobj,
|
||
(*got_offsetp
|
||
+ sgot->output_section->vma
|
||
+ sgot->output_offset),
|
||
srel->r_address);
|
||
if (bfd_header_big_endian (dynobj))
|
||
{
|
||
srel->r_index[0] = (bfd_byte) (indx >> 16);
|
||
srel->r_index[1] = (bfd_byte) (indx >> 8);
|
||
srel->r_index[2] = (bfd_byte)indx;
|
||
if (h == NULL)
|
||
srel->r_type[0] = 2 << RELOC_STD_BITS_LENGTH_SH_BIG;
|
||
else
|
||
srel->r_type[0] =
|
||
(RELOC_STD_BITS_EXTERN_BIG
|
||
| RELOC_STD_BITS_BASEREL_BIG
|
||
| RELOC_STD_BITS_RELATIVE_BIG
|
||
| (2 << RELOC_STD_BITS_LENGTH_SH_BIG));
|
||
}
|
||
else
|
||
{
|
||
srel->r_index[2] = (bfd_byte) (indx >> 16);
|
||
srel->r_index[1] = (bfd_byte) (indx >> 8);
|
||
srel->r_index[0] = (bfd_byte)indx;
|
||
if (h == NULL)
|
||
srel->r_type[0] = 2 << RELOC_STD_BITS_LENGTH_SH_LITTLE;
|
||
else
|
||
srel->r_type[0] =
|
||
(RELOC_STD_BITS_EXTERN_LITTLE
|
||
| RELOC_STD_BITS_BASEREL_LITTLE
|
||
| RELOC_STD_BITS_RELATIVE_LITTLE
|
||
| (2 << RELOC_STD_BITS_LENGTH_SH_LITTLE));
|
||
}
|
||
}
|
||
else
|
||
{
|
||
struct reloc_ext_external *erel;
|
||
|
||
erel = (struct reloc_ext_external *) p;
|
||
PUT_WORD (dynobj,
|
||
(*got_offsetp
|
||
+ sgot->output_section->vma
|
||
+ sgot->output_offset),
|
||
erel->r_address);
|
||
if (bfd_header_big_endian (dynobj))
|
||
{
|
||
erel->r_index[0] = (bfd_byte) (indx >> 16);
|
||
erel->r_index[1] = (bfd_byte) (indx >> 8);
|
||
erel->r_index[2] = (bfd_byte)indx;
|
||
if (h == NULL)
|
||
erel->r_type[0] =
|
||
RELOC_32 << RELOC_EXT_BITS_TYPE_SH_BIG;
|
||
else
|
||
erel->r_type[0] =
|
||
(RELOC_EXT_BITS_EXTERN_BIG
|
||
| (RELOC_GLOB_DAT << RELOC_EXT_BITS_TYPE_SH_BIG));
|
||
}
|
||
else
|
||
{
|
||
erel->r_index[2] = (bfd_byte) (indx >> 16);
|
||
erel->r_index[1] = (bfd_byte) (indx >> 8);
|
||
erel->r_index[0] = (bfd_byte)indx;
|
||
if (h == NULL)
|
||
erel->r_type[0] =
|
||
RELOC_32 << RELOC_EXT_BITS_TYPE_SH_LITTLE;
|
||
else
|
||
erel->r_type[0] =
|
||
(RELOC_EXT_BITS_EXTERN_LITTLE
|
||
| (RELOC_GLOB_DAT
|
||
<< RELOC_EXT_BITS_TYPE_SH_LITTLE));
|
||
}
|
||
PUT_WORD (dynobj, 0, erel->r_addend);
|
||
}
|
||
|
||
++s->reloc_count;
|
||
}
|
||
|
||
*got_offsetp |= 1;
|
||
}
|
||
|
||
*relocationp = (sgot->vma
|
||
+ (*got_offsetp &~ (bfd_vma) 1)
|
||
- sunos_hash_table (info)->got_base);
|
||
|
||
/* There is nothing else to do for a base relative reloc. */
|
||
return TRUE;
|
||
}
|
||
|
||
if (! sunos_hash_table (info)->dynamic_sections_needed)
|
||
return TRUE;
|
||
if (! info->shared)
|
||
{
|
||
if (h == NULL
|
||
|| h->dynindx == -1
|
||
|| h->root.root.type != bfd_link_hash_undefined
|
||
|| (h->flags & SUNOS_DEF_REGULAR) != 0
|
||
|| (h->flags & SUNOS_DEF_DYNAMIC) == 0
|
||
|| (h->root.root.u.undef.abfd->flags & DYNAMIC) == 0)
|
||
return TRUE;
|
||
}
|
||
else
|
||
{
|
||
if (h != NULL
|
||
&& (h->dynindx == -1
|
||
|| jmptbl
|
||
|| strcmp (h->root.root.root.string,
|
||
"__GLOBAL_OFFSET_TABLE_") == 0))
|
||
return TRUE;
|
||
}
|
||
|
||
/* It looks like this is a reloc we are supposed to copy. */
|
||
|
||
s = bfd_get_linker_section (dynobj, ".dynrel");
|
||
BFD_ASSERT (s != NULL);
|
||
BFD_ASSERT (s->reloc_count * obj_reloc_entry_size (dynobj) < s->size);
|
||
|
||
p = s->contents + s->reloc_count * obj_reloc_entry_size (dynobj);
|
||
|
||
/* Copy the reloc over. */
|
||
memcpy (p, reloc, obj_reloc_entry_size (dynobj));
|
||
|
||
if (h != NULL)
|
||
indx = h->dynindx;
|
||
else
|
||
indx = 0;
|
||
|
||
/* Adjust the address and symbol index. */
|
||
if (obj_reloc_entry_size (dynobj) == RELOC_STD_SIZE)
|
||
{
|
||
struct reloc_std_external *srel;
|
||
|
||
srel = (struct reloc_std_external *) p;
|
||
PUT_WORD (dynobj,
|
||
(GET_WORD (dynobj, srel->r_address)
|
||
+ input_section->output_section->vma
|
||
+ input_section->output_offset),
|
||
srel->r_address);
|
||
if (bfd_header_big_endian (dynobj))
|
||
{
|
||
srel->r_index[0] = (bfd_byte) (indx >> 16);
|
||
srel->r_index[1] = (bfd_byte) (indx >> 8);
|
||
srel->r_index[2] = (bfd_byte)indx;
|
||
}
|
||
else
|
||
{
|
||
srel->r_index[2] = (bfd_byte) (indx >> 16);
|
||
srel->r_index[1] = (bfd_byte) (indx >> 8);
|
||
srel->r_index[0] = (bfd_byte)indx;
|
||
}
|
||
/* FIXME: We may have to change the addend for a PC relative
|
||
reloc. */
|
||
}
|
||
else
|
||
{
|
||
struct reloc_ext_external *erel;
|
||
|
||
erel = (struct reloc_ext_external *) p;
|
||
PUT_WORD (dynobj,
|
||
(GET_WORD (dynobj, erel->r_address)
|
||
+ input_section->output_section->vma
|
||
+ input_section->output_offset),
|
||
erel->r_address);
|
||
if (bfd_header_big_endian (dynobj))
|
||
{
|
||
erel->r_index[0] = (bfd_byte) (indx >> 16);
|
||
erel->r_index[1] = (bfd_byte) (indx >> 8);
|
||
erel->r_index[2] = (bfd_byte)indx;
|
||
}
|
||
else
|
||
{
|
||
erel->r_index[2] = (bfd_byte) (indx >> 16);
|
||
erel->r_index[1] = (bfd_byte) (indx >> 8);
|
||
erel->r_index[0] = (bfd_byte)indx;
|
||
}
|
||
if (pcrel && h != NULL)
|
||
{
|
||
/* Adjust the addend for the change in address. */
|
||
PUT_WORD (dynobj,
|
||
(GET_WORD (dynobj, erel->r_addend)
|
||
- (input_section->output_section->vma
|
||
+ input_section->output_offset
|
||
- input_section->vma)),
|
||
erel->r_addend);
|
||
}
|
||
}
|
||
|
||
++s->reloc_count;
|
||
|
||
if (h != NULL)
|
||
*skip = TRUE;
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
/* Finish up the dynamic linking information. */
|
||
|
||
static bfd_boolean
|
||
sunos_finish_dynamic_link (bfd *abfd, struct bfd_link_info *info)
|
||
{
|
||
bfd *dynobj;
|
||
asection *o;
|
||
asection *s;
|
||
asection *sdyn;
|
||
|
||
if (! sunos_hash_table (info)->dynamic_sections_needed
|
||
&& ! sunos_hash_table (info)->got_needed)
|
||
return TRUE;
|
||
|
||
dynobj = sunos_hash_table (info)->dynobj;
|
||
|
||
sdyn = bfd_get_linker_section (dynobj, ".dynamic");
|
||
BFD_ASSERT (sdyn != NULL);
|
||
|
||
/* Finish up the .need section. The linker emulation code filled it
|
||
in, but with offsets from the start of the section instead of
|
||
real addresses. Now that we know the section location, we can
|
||
fill in the final values. */
|
||
s = bfd_get_section_by_name (dynobj, ".need");
|
||
if (s != NULL && s->size != 0)
|
||
{
|
||
file_ptr filepos;
|
||
bfd_byte *p;
|
||
|
||
filepos = s->output_section->filepos + s->output_offset;
|
||
p = s->contents;
|
||
while (1)
|
||
{
|
||
bfd_vma val;
|
||
|
||
PUT_WORD (dynobj, GET_WORD (dynobj, p) + filepos, p);
|
||
val = GET_WORD (dynobj, p + 12);
|
||
if (val == 0)
|
||
break;
|
||
PUT_WORD (dynobj, val + filepos, p + 12);
|
||
p += 16;
|
||
}
|
||
}
|
||
|
||
/* The first entry in the .got section is the address of the
|
||
dynamic information, unless this is a shared library. */
|
||
s = bfd_get_linker_section (dynobj, ".got");
|
||
BFD_ASSERT (s != NULL);
|
||
if (info->shared || sdyn->size == 0)
|
||
PUT_WORD (dynobj, 0, s->contents);
|
||
else
|
||
PUT_WORD (dynobj, sdyn->output_section->vma + sdyn->output_offset,
|
||
s->contents);
|
||
|
||
for (o = dynobj->sections; o != NULL; o = o->next)
|
||
{
|
||
if ((o->flags & SEC_HAS_CONTENTS) != 0
|
||
&& o->contents != NULL)
|
||
{
|
||
BFD_ASSERT (o->output_section != NULL
|
||
&& o->output_section->owner == abfd);
|
||
if (! bfd_set_section_contents (abfd, o->output_section,
|
||
o->contents,
|
||
(file_ptr) o->output_offset,
|
||
o->size))
|
||
return FALSE;
|
||
}
|
||
}
|
||
|
||
if (sdyn->size > 0)
|
||
{
|
||
struct external_sun4_dynamic esd;
|
||
struct external_sun4_dynamic_link esdl;
|
||
file_ptr pos;
|
||
|
||
/* Finish up the dynamic link information. */
|
||
PUT_WORD (dynobj, (bfd_vma) 3, esd.ld_version);
|
||
PUT_WORD (dynobj,
|
||
sdyn->output_section->vma + sdyn->output_offset + sizeof esd,
|
||
esd.ldd);
|
||
PUT_WORD (dynobj,
|
||
(sdyn->output_section->vma
|
||
+ sdyn->output_offset
|
||
+ sizeof esd
|
||
+ EXTERNAL_SUN4_DYNAMIC_DEBUGGER_SIZE),
|
||
esd.ld);
|
||
|
||
if (! bfd_set_section_contents (abfd, sdyn->output_section, &esd,
|
||
(file_ptr) sdyn->output_offset,
|
||
(bfd_size_type) sizeof esd))
|
||
return FALSE;
|
||
|
||
PUT_WORD (dynobj, (bfd_vma) 0, esdl.ld_loaded);
|
||
|
||
s = bfd_get_section_by_name (dynobj, ".need");
|
||
if (s == NULL || s->size == 0)
|
||
PUT_WORD (dynobj, (bfd_vma) 0, esdl.ld_need);
|
||
else
|
||
PUT_WORD (dynobj, s->output_section->filepos + s->output_offset,
|
||
esdl.ld_need);
|
||
|
||
s = bfd_get_section_by_name (dynobj, ".rules");
|
||
if (s == NULL || s->size == 0)
|
||
PUT_WORD (dynobj, (bfd_vma) 0, esdl.ld_rules);
|
||
else
|
||
PUT_WORD (dynobj, s->output_section->filepos + s->output_offset,
|
||
esdl.ld_rules);
|
||
|
||
s = bfd_get_linker_section (dynobj, ".got");
|
||
BFD_ASSERT (s != NULL);
|
||
PUT_WORD (dynobj, s->output_section->vma + s->output_offset,
|
||
esdl.ld_got);
|
||
|
||
s = bfd_get_linker_section (dynobj, ".plt");
|
||
BFD_ASSERT (s != NULL);
|
||
PUT_WORD (dynobj, s->output_section->vma + s->output_offset,
|
||
esdl.ld_plt);
|
||
PUT_WORD (dynobj, s->size, esdl.ld_plt_sz);
|
||
|
||
s = bfd_get_linker_section (dynobj, ".dynrel");
|
||
BFD_ASSERT (s != NULL);
|
||
BFD_ASSERT (s->reloc_count * obj_reloc_entry_size (dynobj)
|
||
== s->size);
|
||
PUT_WORD (dynobj, s->output_section->filepos + s->output_offset,
|
||
esdl.ld_rel);
|
||
|
||
s = bfd_get_linker_section (dynobj, ".hash");
|
||
BFD_ASSERT (s != NULL);
|
||
PUT_WORD (dynobj, s->output_section->filepos + s->output_offset,
|
||
esdl.ld_hash);
|
||
|
||
s = bfd_get_linker_section (dynobj, ".dynsym");
|
||
BFD_ASSERT (s != NULL);
|
||
PUT_WORD (dynobj, s->output_section->filepos + s->output_offset,
|
||
esdl.ld_stab);
|
||
|
||
PUT_WORD (dynobj, (bfd_vma) 0, esdl.ld_stab_hash);
|
||
|
||
PUT_WORD (dynobj, (bfd_vma) sunos_hash_table (info)->bucketcount,
|
||
esdl.ld_buckets);
|
||
|
||
s = bfd_get_linker_section (dynobj, ".dynstr");
|
||
BFD_ASSERT (s != NULL);
|
||
PUT_WORD (dynobj, s->output_section->filepos + s->output_offset,
|
||
esdl.ld_symbols);
|
||
PUT_WORD (dynobj, s->size, esdl.ld_symb_size);
|
||
|
||
/* The size of the text area is the size of the .text section
|
||
rounded up to a page boundary. FIXME: Should the page size be
|
||
conditional on something? */
|
||
PUT_WORD (dynobj,
|
||
BFD_ALIGN (obj_textsec (abfd)->size, 0x2000),
|
||
esdl.ld_text);
|
||
|
||
pos = sdyn->output_offset;
|
||
pos += sizeof esd + EXTERNAL_SUN4_DYNAMIC_DEBUGGER_SIZE;
|
||
if (! bfd_set_section_contents (abfd, sdyn->output_section, &esdl,
|
||
pos, (bfd_size_type) sizeof esdl))
|
||
return FALSE;
|
||
|
||
abfd->flags |= DYNAMIC;
|
||
}
|
||
|
||
return TRUE;
|
||
}
|