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authorAlan Modra <amodra@gmail.com>2018-04-16 15:33:26 +0930
committerAlan Modra <amodra@gmail.com>2018-04-16 15:33:26 +0930
commitc9098af41e3246586a30f4f0bdb0ee4367e9a5e7 (patch)
tree8e9536dd5e0e1227e0e311b811d029dba4e14b3f /bfd/sunos.c
parentdc12032bca08554cf0a72d224e44f755f7789ff3 (diff)
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Remove sparc-aout and sparc-coff support
bfd/ * Makefile.am: Remove sparc-aout and sparc-coff support. * config.bfd: Likewise. * configure.ac: Likewise. * targets.c: Likewise. * aout-sparcle.c: Delete. * aoutf1.h: Delete. * cf-sparclynx.c: Delete. * coff-sparc.c: Delete. * demo64.c: Delete. * sparclinux.c: Delete. * sparclynx.c: Delete. * sparcnetbsd.c: Delete. * sunos.c: Delete. * Makefile.in: Regenerate. * configure: Regenerate. * po/SRC-POTFILES.in: Regenerate. binutils/ * testsuite/lib/binutils-common.exp: Remove sparc-aout and sparc-coff support. gas/ * Makefile.am: Remove sparc-aout and sparc-coff support. * config/obj-coff.h: Likewise. * config/tc-sparc.c: Likewise. * config/tc-sparc.h: Likewise. * configure.tgt: Likewise. * config/te-sparcaout.h: Delete. * testsuite/gas/sun4/addend.d: Delete. * testsuite/gas/sun4/addend.exp: Delete. * testsuite/gas/sun4/addend.s: Delete. * Makefile.in: Regenerate. * po/POTFILES.in: Regenerate. ld/ * Makefile.am: Remove sparc-aout and sparc-coff support. * configure.tgt: Likewise. * testsuite/ld-elfvers/vers.exp: Likewise. * testsuite/ld-elfvsb/elfvsb.exp: Likewise. * testsuite/ld-elfweak/elfweak.exp: Likewise. * testsuite/ld-shared/shared.exp: Likewise. * emulparams/coff_sparc.sh: Delete. * emulparams/sparcaout.sh: Delete. * emulparams/sparclinux.sh: Delete. * emulparams/sparcnbsd.sh: Delete. * emulparams/sun4.sh: Delete. * scripttempl/sparccoff.sc: Delete. * Makefile.in: Regenerate. * po/BLD-POTFILES.in: Regenerate.
Diffstat (limited to 'bfd/sunos.c')
-rw-r--r--bfd/sunos.c2845
1 files changed, 0 insertions, 2845 deletions
diff --git a/bfd/sunos.c b/bfd/sunos.c
deleted file mode 100644
index 5985384..0000000
--- a/bfd/sunos.c
+++ /dev/null
@@ -1,2845 +0,0 @@
-/* BFD backend for SunOS binaries.
- Copyright (C) 1990-2018 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 (sparc_aout_sunos_be_,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)
- || bfd_link_pic (info))
- {
- 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
- && !bfd_link_relocatable (info))))
- 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 (bfd_link_relocatable (info))
- 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 (! bfd_link_pic (info) || 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 (bfd_link_pic (info)
- || (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 (bfd_link_pic (info))
- {
- 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
- && ! bfd_link_pic (info)
- && ((h->flags & SUNOS_DEF_DYNAMIC) == 0
- || (h->flags & SUNOS_DEF_REGULAR) != 0))
- continue;
-
- if (r_type == RELOC_JMP_TBL
- && ! bfd_link_pic (info)
- && (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
- || bfd_link_pic (info)
- || (h->flags & SUNOS_REF_REGULAR) != 0);
- BFD_ASSERT (r_type == RELOC_JMP_TBL
- || bfd_link_pic (info)
- || 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 (bfd_link_pic (info) || (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 (bfd_link_pic (info) && 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 (bfd_link_relocatable (info))
- 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 (bfd_link_pic (info) || (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 (! bfd_link_pic (info) && (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 (bfd_link_pic (info) || (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 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
- && (bfd_link_pic (info)
- || (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
- || (! bfd_link_pic (info)
- && ((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 (bfd_link_pic (info)
- || (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 (! bfd_link_pic (info))
- {
- 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 (bfd_link_pic (info) || 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;
-}