/* Motorola 68k series support for 32-bit ELF
- Copyright 1993, 95, 96, 97, 98, 1999 Free Software Foundation, Inc.
+ Copyright 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+ 2004 Free Software Foundation, Inc.
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "bfd.h"
#include "sysdep.h"
static reloc_howto_type *reloc_type_lookup
PARAMS ((bfd *, bfd_reloc_code_real_type));
static void rtype_to_howto
- PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *));
+ PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
static struct bfd_hash_entry *elf_m68k_link_hash_newfunc
PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
static struct bfd_link_hash_table *elf_m68k_link_hash_table_create
PARAMS ((bfd *));
-static boolean elf_m68k_check_relocs
+static bfd_boolean elf_m68k_check_relocs
PARAMS ((bfd *, struct bfd_link_info *, asection *,
const Elf_Internal_Rela *));
static asection *elf_m68k_gc_mark_hook
- PARAMS ((bfd *, struct bfd_link_info *, Elf_Internal_Rela *,
+ PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *,
struct elf_link_hash_entry *, Elf_Internal_Sym *));
-static boolean elf_m68k_gc_sweep_hook
+static bfd_boolean elf_m68k_gc_sweep_hook
PARAMS ((bfd *, struct bfd_link_info *, asection *,
const Elf_Internal_Rela *));
-static boolean elf_m68k_adjust_dynamic_symbol
+static bfd_boolean elf_m68k_adjust_dynamic_symbol
PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
-static boolean elf_m68k_size_dynamic_sections
+static bfd_boolean elf_m68k_size_dynamic_sections
PARAMS ((bfd *, struct bfd_link_info *));
-static boolean elf_m68k_relocate_section
+static bfd_boolean elf_m68k_discard_copies
+ PARAMS ((struct elf_link_hash_entry *, PTR));
+static bfd_boolean elf_m68k_relocate_section
PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
-static boolean elf_m68k_finish_dynamic_symbol
+static bfd_boolean elf_m68k_finish_dynamic_symbol
PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
Elf_Internal_Sym *));
-static boolean elf_m68k_finish_dynamic_sections
+static bfd_boolean elf_m68k_finish_dynamic_sections
PARAMS ((bfd *, struct bfd_link_info *));
-static boolean elf32_m68k_set_private_flags
+static bfd_boolean elf32_m68k_set_private_flags
PARAMS ((bfd *, flagword));
-static boolean elf32_m68k_copy_private_bfd_data
+static bfd_boolean elf32_m68k_merge_private_bfd_data
PARAMS ((bfd *, bfd *));
-static boolean elf32_m68k_merge_private_bfd_data
- PARAMS ((bfd *, bfd *));
-static boolean elf32_m68k_print_private_bfd_data
+static bfd_boolean elf32_m68k_print_private_bfd_data
PARAMS ((bfd *, PTR));
+static enum elf_reloc_type_class elf32_m68k_reloc_type_class
+ PARAMS ((const Elf_Internal_Rela *));
static reloc_howto_type howto_table[] = {
- HOWTO(R_68K_NONE, 0, 0, 0, false,0, complain_overflow_dont, bfd_elf_generic_reloc, "R_68K_NONE", false, 0, 0x00000000,false),
- HOWTO(R_68K_32, 0, 2,32, false,0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_68K_32", false, 0, 0xffffffff,false),
- HOWTO(R_68K_16, 0, 1,16, false,0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_68K_16", false, 0, 0x0000ffff,false),
- HOWTO(R_68K_8, 0, 0, 8, false,0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_68K_8", false, 0, 0x000000ff,false),
- HOWTO(R_68K_PC32, 0, 2,32, true, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_68K_PC32", false, 0, 0xffffffff,true),
- HOWTO(R_68K_PC16, 0, 1,16, true, 0, complain_overflow_signed, bfd_elf_generic_reloc, "R_68K_PC16", false, 0, 0x0000ffff,true),
- HOWTO(R_68K_PC8, 0, 0, 8, true, 0, complain_overflow_signed, bfd_elf_generic_reloc, "R_68K_PC8", false, 0, 0x000000ff,true),
- HOWTO(R_68K_GOT32, 0, 2,32, true, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_68K_GOT32", false, 0, 0xffffffff,true),
- HOWTO(R_68K_GOT16, 0, 1,16, true, 0, complain_overflow_signed, bfd_elf_generic_reloc, "R_68K_GOT16", false, 0, 0x0000ffff,true),
- HOWTO(R_68K_GOT8, 0, 0, 8, true, 0, complain_overflow_signed, bfd_elf_generic_reloc, "R_68K_GOT8", false, 0, 0x000000ff,true),
- HOWTO(R_68K_GOT32O, 0, 2,32, false,0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_68K_GOT32O", false, 0, 0xffffffff,false),
- HOWTO(R_68K_GOT16O, 0, 1,16, false,0, complain_overflow_signed, bfd_elf_generic_reloc, "R_68K_GOT16O", false, 0, 0x0000ffff,false),
- HOWTO(R_68K_GOT8O, 0, 0, 8, false,0, complain_overflow_signed, bfd_elf_generic_reloc, "R_68K_GOT8O", false, 0, 0x000000ff,false),
- HOWTO(R_68K_PLT32, 0, 2,32, true, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_68K_PLT32", false, 0, 0xffffffff,true),
- HOWTO(R_68K_PLT16, 0, 1,16, true, 0, complain_overflow_signed, bfd_elf_generic_reloc, "R_68K_PLT16", false, 0, 0x0000ffff,true),
- HOWTO(R_68K_PLT8, 0, 0, 8, true, 0, complain_overflow_signed, bfd_elf_generic_reloc, "R_68K_PLT8", false, 0, 0x000000ff,true),
- HOWTO(R_68K_PLT32O, 0, 2,32, false,0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_68K_PLT32O", false, 0, 0xffffffff,false),
- HOWTO(R_68K_PLT16O, 0, 1,16, false,0, complain_overflow_signed, bfd_elf_generic_reloc, "R_68K_PLT16O", false, 0, 0x0000ffff,false),
- HOWTO(R_68K_PLT8O, 0, 0, 8, false,0, complain_overflow_signed, bfd_elf_generic_reloc, "R_68K_PLT8O", false, 0, 0x000000ff,false),
- HOWTO(R_68K_COPY, 0, 0, 0, false,0, complain_overflow_dont, bfd_elf_generic_reloc, "R_68K_COPY", false, 0, 0xffffffff,false),
- HOWTO(R_68K_GLOB_DAT, 0, 2,32, false,0, complain_overflow_dont, bfd_elf_generic_reloc, "R_68K_GLOB_DAT", false, 0, 0xffffffff,false),
- HOWTO(R_68K_JMP_SLOT, 0, 2,32, false,0, complain_overflow_dont, bfd_elf_generic_reloc, "R_68K_JMP_SLOT", false, 0, 0xffffffff,false),
- HOWTO(R_68K_RELATIVE, 0, 2,32, false,0, complain_overflow_dont, bfd_elf_generic_reloc, "R_68K_RELATIVE", false, 0, 0xffffffff,false),
- /* GNU extension to record C++ vtable hierarchy */
+ HOWTO(R_68K_NONE, 0, 0, 0, FALSE,0, complain_overflow_dont, bfd_elf_generic_reloc, "R_68K_NONE", FALSE, 0, 0x00000000,FALSE),
+ HOWTO(R_68K_32, 0, 2,32, FALSE,0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_68K_32", FALSE, 0, 0xffffffff,FALSE),
+ HOWTO(R_68K_16, 0, 1,16, FALSE,0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_68K_16", FALSE, 0, 0x0000ffff,FALSE),
+ HOWTO(R_68K_8, 0, 0, 8, FALSE,0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_68K_8", FALSE, 0, 0x000000ff,FALSE),
+ HOWTO(R_68K_PC32, 0, 2,32, TRUE, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_68K_PC32", FALSE, 0, 0xffffffff,TRUE),
+ HOWTO(R_68K_PC16, 0, 1,16, TRUE, 0, complain_overflow_signed, bfd_elf_generic_reloc, "R_68K_PC16", FALSE, 0, 0x0000ffff,TRUE),
+ HOWTO(R_68K_PC8, 0, 0, 8, TRUE, 0, complain_overflow_signed, bfd_elf_generic_reloc, "R_68K_PC8", FALSE, 0, 0x000000ff,TRUE),
+ HOWTO(R_68K_GOT32, 0, 2,32, TRUE, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_68K_GOT32", FALSE, 0, 0xffffffff,TRUE),
+ HOWTO(R_68K_GOT16, 0, 1,16, TRUE, 0, complain_overflow_signed, bfd_elf_generic_reloc, "R_68K_GOT16", FALSE, 0, 0x0000ffff,TRUE),
+ HOWTO(R_68K_GOT8, 0, 0, 8, TRUE, 0, complain_overflow_signed, bfd_elf_generic_reloc, "R_68K_GOT8", FALSE, 0, 0x000000ff,TRUE),
+ HOWTO(R_68K_GOT32O, 0, 2,32, FALSE,0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_68K_GOT32O", FALSE, 0, 0xffffffff,FALSE),
+ HOWTO(R_68K_GOT16O, 0, 1,16, FALSE,0, complain_overflow_signed, bfd_elf_generic_reloc, "R_68K_GOT16O", FALSE, 0, 0x0000ffff,FALSE),
+ HOWTO(R_68K_GOT8O, 0, 0, 8, FALSE,0, complain_overflow_signed, bfd_elf_generic_reloc, "R_68K_GOT8O", FALSE, 0, 0x000000ff,FALSE),
+ HOWTO(R_68K_PLT32, 0, 2,32, TRUE, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_68K_PLT32", FALSE, 0, 0xffffffff,TRUE),
+ HOWTO(R_68K_PLT16, 0, 1,16, TRUE, 0, complain_overflow_signed, bfd_elf_generic_reloc, "R_68K_PLT16", FALSE, 0, 0x0000ffff,TRUE),
+ HOWTO(R_68K_PLT8, 0, 0, 8, TRUE, 0, complain_overflow_signed, bfd_elf_generic_reloc, "R_68K_PLT8", FALSE, 0, 0x000000ff,TRUE),
+ HOWTO(R_68K_PLT32O, 0, 2,32, FALSE,0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_68K_PLT32O", FALSE, 0, 0xffffffff,FALSE),
+ HOWTO(R_68K_PLT16O, 0, 1,16, FALSE,0, complain_overflow_signed, bfd_elf_generic_reloc, "R_68K_PLT16O", FALSE, 0, 0x0000ffff,FALSE),
+ HOWTO(R_68K_PLT8O, 0, 0, 8, FALSE,0, complain_overflow_signed, bfd_elf_generic_reloc, "R_68K_PLT8O", FALSE, 0, 0x000000ff,FALSE),
+ HOWTO(R_68K_COPY, 0, 0, 0, FALSE,0, complain_overflow_dont, bfd_elf_generic_reloc, "R_68K_COPY", FALSE, 0, 0xffffffff,FALSE),
+ HOWTO(R_68K_GLOB_DAT, 0, 2,32, FALSE,0, complain_overflow_dont, bfd_elf_generic_reloc, "R_68K_GLOB_DAT", FALSE, 0, 0xffffffff,FALSE),
+ HOWTO(R_68K_JMP_SLOT, 0, 2,32, FALSE,0, complain_overflow_dont, bfd_elf_generic_reloc, "R_68K_JMP_SLOT", FALSE, 0, 0xffffffff,FALSE),
+ HOWTO(R_68K_RELATIVE, 0, 2,32, FALSE,0, complain_overflow_dont, bfd_elf_generic_reloc, "R_68K_RELATIVE", FALSE, 0, 0xffffffff,FALSE),
+ /* GNU extension to record C++ vtable hierarchy. */
HOWTO (R_68K_GNU_VTINHERIT, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
NULL, /* special_function */
"R_68K_GNU_VTINHERIT", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- false),
- /* GNU extension to record C++ vtable member usage */
+ FALSE),
+ /* GNU extension to record C++ vtable member usage. */
HOWTO (R_68K_GNU_VTENTRY, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
_bfd_elf_rel_vtable_reloc_fn, /* special_function */
"R_68K_GNU_VTENTRY", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- false),
+ FALSE),
};
static void
#define bfd_elf32_bfd_reloc_type_lookup reloc_type_lookup
#define ELF_ARCH bfd_arch_m68k
-/* end code generated by elf.el */
-
-#define USE_RELA
-
\f
/* Functions for the m68k ELF linker. */
/* Procedure linkage table entries for the cpu32 */
static const bfd_byte elf_cpu32_plt0_entry[PLT_CPU32_ENTRY_SIZE] =
{
- 0x22, 0x7b, 0x01, 0x70, /* moveal %pc@(0xc), %a1 */
+ 0x2f, 0x3b, 0x01, 0x70, /* move.l (%pc,addr),-(%sp) */
0, 0, 0, 0, /* replaced with offset to .got + 4. */
+ 0x22, 0x7b, 0x01, 0x70, /* moveal %pc@(0xc), %a1 */
+ 0, 0, 0, 0, /* replace with offset to .got +8. */
0x4e, 0xd1, /* jmp %a1@ */
- 0, 0, 0, 0, /* replace with offset to .got +8. */
- 0, 0, 0, 0, /* pad out to 24 bytes. */
0, 0, 0, 0, /* pad out to 24 bytes. */
0, 0
};
struct elf_m68k_pcrel_relocs_copied *pcrel_relocs_copied;
};
+#define elf_m68k_hash_entry(ent) ((struct elf_m68k_link_hash_entry *) (ent))
+
/* m68k ELF linker hash table. */
struct elf_m68k_link_hash_table
{
struct elf_link_hash_table root;
-};
-
-/* Declare this now that the above structures are defined. */
-static boolean elf_m68k_discard_copies
- PARAMS ((struct elf_m68k_link_hash_entry *, PTR));
-
-/* Traverse an m68k ELF linker hash table. */
-
-#define elf_m68k_link_hash_traverse(table, func, info) \
- (elf_link_hash_traverse \
- (&(table)->root, \
- (boolean (*) PARAMS ((struct elf_link_hash_entry *, PTR))) (func), \
- (info)))
+ /* Small local sym to section mapping cache. */
+ struct sym_sec_cache sym_sec;
+};
/* Get the m68k ELF linker hash table from a link_info structure. */
struct bfd_hash_table *table;
const char *string;
{
- struct elf_m68k_link_hash_entry *ret =
- (struct elf_m68k_link_hash_entry *) entry;
+ struct bfd_hash_entry *ret = entry;
/* Allocate the structure if it has not already been allocated by a
subclass. */
- if (ret == (struct elf_m68k_link_hash_entry *) NULL)
- ret = ((struct elf_m68k_link_hash_entry *)
- bfd_hash_allocate (table,
- sizeof (struct elf_m68k_link_hash_entry)));
- if (ret == (struct elf_m68k_link_hash_entry *) NULL)
- return (struct bfd_hash_entry *) ret;
+ if (ret == NULL)
+ ret = bfd_hash_allocate (table,
+ sizeof (struct elf_m68k_link_hash_entry));
+ if (ret == NULL)
+ return ret;
/* Call the allocation method of the superclass. */
- ret = ((struct elf_m68k_link_hash_entry *)
- _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
- table, string));
- if (ret != (struct elf_m68k_link_hash_entry *) NULL)
- {
- ret->pcrel_relocs_copied = NULL;
- }
+ ret = _bfd_elf_link_hash_newfunc (ret, table, string);
+ if (ret != NULL)
+ elf_m68k_hash_entry (ret)->pcrel_relocs_copied = NULL;
- return (struct bfd_hash_entry *) ret;
+ return ret;
}
/* Create an m68k ELF linker hash table. */
bfd *abfd;
{
struct elf_m68k_link_hash_table *ret;
+ bfd_size_type amt = sizeof (struct elf_m68k_link_hash_table);
- ret = ((struct elf_m68k_link_hash_table *)
- bfd_alloc (abfd, sizeof (struct elf_m68k_link_hash_table)));
+ ret = (struct elf_m68k_link_hash_table *) bfd_malloc (amt);
if (ret == (struct elf_m68k_link_hash_table *) NULL)
return NULL;
if (! _bfd_elf_link_hash_table_init (&ret->root, abfd,
elf_m68k_link_hash_newfunc))
{
- bfd_release (abfd, ret);
+ free (ret);
return NULL;
}
+ ret->sym_sec.abfd = NULL;
+
return &ret->root.root;
}
-/* Keep m68k-specific flags in the ELF header */
-static boolean
+/* Keep m68k-specific flags in the ELF header. */
+static bfd_boolean
elf32_m68k_set_private_flags (abfd, flags)
bfd *abfd;
flagword flags;
{
elf_elfheader (abfd)->e_flags = flags;
- elf_flags_init (abfd) = true;
- return true;
-}
-
-/* Copy m68k-specific data from one module to another */
-static boolean
-elf32_m68k_copy_private_bfd_data (ibfd, obfd)
- bfd *ibfd;
- bfd *obfd;
-{
- flagword in_flags;
-
- if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
- || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
- return true;
-
- in_flags = elf_elfheader (ibfd)->e_flags;
-
- elf_elfheader (obfd)->e_flags = in_flags;
- elf_flags_init (obfd) = true;
-
- return true;
+ elf_flags_init (abfd) = TRUE;
+ return TRUE;
}
/* Merge backend specific data from an object file to the output
object file when linking. */
-static boolean
+static bfd_boolean
elf32_m68k_merge_private_bfd_data (ibfd, obfd)
bfd *ibfd;
bfd *obfd;
if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
- return true;
+ return TRUE;
in_flags = elf_elfheader (ibfd)->e_flags;
out_flags = elf_elfheader (obfd)->e_flags;
if (!elf_flags_init (obfd))
{
- elf_flags_init (obfd) = true;
+ elf_flags_init (obfd) = TRUE;
elf_elfheader (obfd)->e_flags = in_flags;
}
- return true;
+ return TRUE;
}
-/* Display the flags field */
-static boolean
+/* Display the flags field. */
+static bfd_boolean
elf32_m68k_print_private_bfd_data (abfd, ptr)
bfd *abfd;
PTR ptr;
/* Ignore init flag - it may not be set, despite the flags field containing valid data. */
/* xgettext:c-format */
- fprintf (file, _ ("private flags = %lx:"), elf_elfheader (abfd)->e_flags);
+ fprintf (file, _("private flags = %lx:"), elf_elfheader (abfd)->e_flags);
if (elf_elfheader (abfd)->e_flags & EF_CPU32)
- fprintf (file, _ (" [cpu32]"));
+ fprintf (file, _(" [cpu32]"));
+
+ if (elf_elfheader (abfd)->e_flags & EF_M68000)
+ fprintf (file, _(" [m68000]"));
fputc ('\n', file);
- return true;
+ return TRUE;
}
/* Look through the relocs for a section during the first phase, and
allocate space in the global offset table or procedure linkage
table. */
-static boolean
+static bfd_boolean
elf_m68k_check_relocs (abfd, info, sec, relocs)
bfd *abfd;
struct bfd_link_info *info;
asection *srelgot;
asection *sreloc;
- if (info->relocateable)
- return true;
+ if (info->relocatable)
+ return TRUE;
dynobj = elf_hash_table (info)->dynobj;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
/* Create the .got section. */
elf_hash_table (info)->dynobj = dynobj = abfd;
if (!_bfd_elf_create_got_section (dynobj, info))
- return false;
+ return FALSE;
}
if (sgot == NULL)
| SEC_LINKER_CREATED
| SEC_READONLY))
|| !bfd_set_section_alignment (dynobj, srelgot, 2))
- return false;
+ return FALSE;
}
}
if (h != NULL)
{
- if (h->got.refcount == -1)
+ if (h->got.refcount == 0)
{
- h->got.refcount = 1;
-
/* Make sure this symbol is output as a dynamic symbol. */
- if (h->dynindx == -1)
+ if (h->dynindx == -1
+ && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
{
- if (!bfd_elf32_link_record_dynamic_symbol (info, h))
- return false;
+ if (!bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
}
/* Allocate space in the .got section. */
/* Allocate relocation space. */
srelgot->_raw_size += sizeof (Elf32_External_Rela);
}
- else
- h->got.refcount++;
+ h->got.refcount++;
}
else
{
/* This is a global offset table entry for a local symbol. */
if (local_got_refcounts == NULL)
{
- size_t size;
+ bfd_size_type size;
- size = symtab_hdr->sh_info * sizeof (bfd_signed_vma);
+ size = symtab_hdr->sh_info;
+ size *= sizeof (bfd_signed_vma);
local_got_refcounts = ((bfd_signed_vma *)
- bfd_alloc (abfd, size));
+ bfd_zalloc (abfd, size));
if (local_got_refcounts == NULL)
- return false;
+ return FALSE;
elf_local_got_refcounts (abfd) = local_got_refcounts;
- memset (local_got_refcounts, -1, size);
}
- if (local_got_refcounts[r_symndx] == -1)
+ if (local_got_refcounts[r_symndx] == 0)
{
- local_got_refcounts[r_symndx] = 1;
-
sgot->_raw_size += 4;
if (info->shared)
{
srelgot->_raw_size += sizeof (Elf32_External_Rela);
}
}
- else
- local_got_refcounts[r_symndx]++;
+ local_got_refcounts[r_symndx]++;
}
break;
continue;
h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
- if (h->plt.refcount == -1)
- h->plt.refcount = 1;
- else
- h->plt.refcount++;
+ h->plt.refcount++;
break;
case R_68K_PLT8O:
local symbol. FIXME: does it? How to handle it if
it does make sense? */
bfd_set_error (bfd_error_bad_value);
- return false;
+ return FALSE;
}
/* Make sure this symbol is output as a dynamic symbol. */
- if (h->dynindx == -1)
+ if (h->dynindx == -1
+ && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
{
- if (!bfd_elf32_link_record_dynamic_symbol (info, h))
- return false;
+ if (!bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
}
h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
- if (h->plt.refcount == -1)
- h->plt.refcount = 1;
- else
- h->plt.refcount++;
+ h->plt.refcount++;
break;
case R_68K_PC8:
&& (sec->flags & SEC_ALLOC) != 0
&& h != NULL
&& (!info->symbolic
+ || h->root.type == bfd_link_hash_defweak
|| (h->elf_link_hash_flags
& ELF_LINK_HASH_DEF_REGULAR) == 0)))
{
/* Make sure a plt entry is created for this symbol if
it turns out to be a function defined by a dynamic
object. */
- if (h->plt.refcount == -1)
- h->plt.refcount = 1;
- else
- h->plt.refcount++;
+ h->plt.refcount++;
}
break;
}
{
/* Make sure a plt entry is created for this symbol if it
turns out to be a function defined by a dynamic object. */
- if (h->plt.refcount == -1)
- h->plt.refcount = 1;
- else
- h->plt.refcount++;
+ h->plt.refcount++;
}
/* If we are creating a shared library, we need to copy the
elf_elfheader (abfd)->e_shstrndx,
elf_section_data (sec)->rel_hdr.sh_name));
if (name == NULL)
- return false;
+ return FALSE;
BFD_ASSERT (strncmp (name, ".rela", 5) == 0
&& strcmp (bfd_get_section_name (abfd, sec),
| SEC_LINKER_CREATED
| SEC_READONLY))
|| !bfd_set_section_alignment (dynobj, sreloc, 2))
- return false;
+ return FALSE;
}
+ elf_section_data (sec)->sreloc = sreloc;
}
+ if (sec->flags & SEC_READONLY
+ /* Don't set DF_TEXTREL yet for PC relative
+ relocations, they might be discarded later. */
+ && !(ELF32_R_TYPE (rel->r_info) == R_68K_PC8
+ || ELF32_R_TYPE (rel->r_info) == R_68K_PC16
+ || ELF32_R_TYPE (rel->r_info) == R_68K_PC32))
+ info->flags |= DF_TEXTREL;
+
sreloc->_raw_size += sizeof (Elf32_External_Rela);
- /* If we are linking with -Bsymbolic, we count the number of
- PC relative relocations we have entered for this symbol,
- so that we can discard them again if the symbol is later
- defined by a regular object. Note that this function is
- only called if we are using an m68kelf linker hash table,
- which means that h is really a pointer to an
+ /* We count the number of PC relative relocations we have
+ entered for this symbol, so that we can discard them
+ again if, in the -Bsymbolic case, the symbol is later
+ defined by a regular object, or, in the normal shared
+ case, the symbol is forced to be local. Note that this
+ function is only called if we are using an m68kelf linker
+ hash table, which means that h is really a pointer to an
elf_m68k_link_hash_entry. */
- if ((ELF32_R_TYPE (rel->r_info) == R_68K_PC8
- || ELF32_R_TYPE (rel->r_info) == R_68K_PC16
- || ELF32_R_TYPE (rel->r_info) == R_68K_PC32)
- && info->symbolic)
+ if (ELF32_R_TYPE (rel->r_info) == R_68K_PC8
+ || ELF32_R_TYPE (rel->r_info) == R_68K_PC16
+ || ELF32_R_TYPE (rel->r_info) == R_68K_PC32)
{
- struct elf_m68k_link_hash_entry *eh;
struct elf_m68k_pcrel_relocs_copied *p;
+ struct elf_m68k_pcrel_relocs_copied **head;
- eh = (struct elf_m68k_link_hash_entry *) h;
+ if (h != NULL)
+ {
+ struct elf_m68k_link_hash_entry *eh
+ = elf_m68k_hash_entry (h);
+ head = &eh->pcrel_relocs_copied;
+ }
+ else
+ {
+ asection *s;
+ s = (bfd_section_from_r_symndx
+ (abfd, &elf_m68k_hash_table (info)->sym_sec,
+ sec, r_symndx));
+ if (s == NULL)
+ return FALSE;
+
+ head = ((struct elf_m68k_pcrel_relocs_copied **)
+ &elf_section_data (s)->local_dynrel);
+ }
- for (p = eh->pcrel_relocs_copied; p != NULL; p = p->next)
+ for (p = *head; p != NULL; p = p->next)
if (p->section == sreloc)
break;
if (p == NULL)
{
p = ((struct elf_m68k_pcrel_relocs_copied *)
- bfd_alloc (dynobj, sizeof *p));
+ bfd_alloc (dynobj, (bfd_size_type) sizeof *p));
if (p == NULL)
- return false;
- p->next = eh->pcrel_relocs_copied;
- eh->pcrel_relocs_copied = p;
+ return FALSE;
+ p->next = *head;
+ *head = p;
p->section = sreloc;
p->count = 0;
}
/* This relocation describes the C++ object vtable hierarchy.
Reconstruct it for later use during GC. */
case R_68K_GNU_VTINHERIT:
- if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
- return false;
+ if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
+ return FALSE;
break;
/* This relocation describes which C++ vtable entries are actually
used. Record for later use during GC. */
case R_68K_GNU_VTENTRY:
- if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_addend))
- return false;
+ if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+ return FALSE;
break;
default:
}
}
- return true;
+ return TRUE;
}
/* Return the section that should be marked against GC for a given
relocation. */
static asection *
-elf_m68k_gc_mark_hook (abfd, info, rel, h, sym)
- bfd *abfd;
+elf_m68k_gc_mark_hook (sec, info, rel, h, sym)
+ asection *sec;
struct bfd_link_info *info ATTRIBUTE_UNUSED;
Elf_Internal_Rela *rel;
struct elf_link_hash_entry *h;
}
}
else
- {
- if (!(elf_bad_symtab (abfd)
- && ELF_ST_BIND (sym->st_info) != STB_LOCAL)
- && ! ((sym->st_shndx <= 0 || sym->st_shndx >= SHN_LORESERVE)
- && sym->st_shndx != SHN_COMMON))
- {
- return bfd_section_from_elf_index (abfd, sym->st_shndx);
- }
- }
+ return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
return NULL;
}
/* Update the got entry reference counts for the section being removed. */
-static boolean
+static bfd_boolean
elf_m68k_gc_sweep_hook (abfd, info, sec, relocs)
bfd *abfd;
struct bfd_link_info *info;
struct elf_link_hash_entry **sym_hashes;
bfd_signed_vma *local_got_refcounts;
const Elf_Internal_Rela *rel, *relend;
- unsigned long r_symndx;
- struct elf_link_hash_entry *h;
bfd *dynobj;
asection *sgot;
asection *srelgot;
+ dynobj = elf_hash_table (info)->dynobj;
+ if (dynobj == NULL)
+ return TRUE;
+
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (abfd);
local_got_refcounts = elf_local_got_refcounts (abfd);
- dynobj = elf_hash_table (info)->dynobj;
- if (dynobj == NULL)
- return true;
-
sgot = bfd_get_section_by_name (dynobj, ".got");
srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
relend = relocs + sec->reloc_count;
for (rel = relocs; rel < relend; rel++)
{
+ unsigned long r_symndx;
+ struct elf_link_hash_entry *h;
+
switch (ELF32_R_TYPE (rel->r_info))
{
case R_68K_GOT8:
}
}
- return true;
+ return TRUE;
}
-
/* Adjust a symbol defined by a dynamic object and referenced by a
regular object. The current definition is in some section of the
dynamic object, but we're not including those sections. We have to
change the definition to something the rest of the link can
understand. */
-static boolean
+static bfd_boolean
elf_m68k_adjust_dynamic_symbol (info, h)
struct bfd_link_info *info;
struct elf_link_hash_entry *h;
reloc instead. */
BFD_ASSERT ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0);
h->plt.offset = (bfd_vma) -1;
- return true;
+ return TRUE;
}
/* GC may have rendered this entry unused. */
{
h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
h->plt.offset = (bfd_vma) -1;
- return true;
+ return TRUE;
}
/* Make sure this symbol is output as a dynamic symbol. */
- if (h->dynindx == -1)
+ if (h->dynindx == -1
+ && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
{
- if (! bfd_elf32_link_record_dynamic_symbol (info, h))
- return false;
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
}
s = bfd_get_section_by_name (dynobj, ".plt");
/* We also need to make an entry in the .got.plt section, which
will be placed in the .got section by the linker script. */
-
s = bfd_get_section_by_name (dynobj, ".got.plt");
BFD_ASSERT (s != NULL);
s->_raw_size += 4;
/* We also need to make an entry in the .rela.plt section. */
-
s = bfd_get_section_by_name (dynobj, ".rela.plt");
BFD_ASSERT (s != NULL);
s->_raw_size += sizeof (Elf32_External_Rela);
- return true;
+ return TRUE;
}
/* Reinitialize the plt offset now that it is not used as a reference
|| h->weakdef->root.type == bfd_link_hash_defweak);
h->root.u.def.section = h->weakdef->root.u.def.section;
h->root.u.def.value = h->weakdef->root.u.def.value;
- return true;
+ return TRUE;
}
/* This is a reference to a symbol defined by a dynamic object which
For such cases we need not do anything here; the relocations will
be handled correctly by relocate_section. */
if (info->shared)
- return true;
+ return TRUE;
/* We must allocate the symbol in our .dynbss section, which will
become part of the .bss section of the executable. There will be
if (power_of_two > bfd_get_section_alignment (dynobj, s))
{
if (!bfd_set_section_alignment (dynobj, s, power_of_two))
- return false;
+ return FALSE;
}
/* Define the symbol as being at this point in the section. */
/* Increment the section size to make room for the symbol. */
s->_raw_size += h->size;
- return true;
+ return TRUE;
}
/* Set the sizes of the dynamic sections. */
-static boolean
+static bfd_boolean
elf_m68k_size_dynamic_sections (output_bfd, info)
- bfd *output_bfd;
+ bfd *output_bfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info;
{
bfd *dynobj;
asection *s;
- boolean plt;
- boolean relocs;
- boolean reltext;
+ bfd_boolean plt;
+ bfd_boolean relocs;
dynobj = elf_hash_table (info)->dynobj;
BFD_ASSERT (dynobj != NULL);
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
- if (!info->shared)
+ if (info->executable)
{
s = bfd_get_section_by_name (dynobj, ".interp");
BFD_ASSERT (s != NULL);
s->_raw_size = 0;
}
- /* If this is a -Bsymbolic shared link, then we need to discard all PC
- relative relocs against symbols defined in a regular object. We
- allocated space for them in the check_relocs routine, but we will not
- fill them in in the relocate_section routine. */
- if (info->shared && info->symbolic)
- elf_m68k_link_hash_traverse (elf_m68k_hash_table (info),
- elf_m68k_discard_copies,
- (PTR) NULL);
+ /* If this is a -Bsymbolic shared link, then we need to discard all
+ PC relative relocs against symbols defined in a regular object.
+ For the normal shared case we discard the PC relative relocs
+ against symbols that have become local due to visibility changes.
+ We allocated space for them in the check_relocs routine, but we
+ will not fill them in in the relocate_section routine. */
+ if (info->shared)
+ elf_link_hash_traverse (elf_hash_table (info),
+ elf_m68k_discard_copies,
+ (PTR) info);
/* The check_relocs and adjust_dynamic_symbol entry points have
determined the sizes of the various dynamic sections. Allocate
memory for them. */
- plt = false;
- relocs = false;
- reltext = false;
+ plt = FALSE;
+ relocs = FALSE;
for (s = dynobj->sections; s != NULL; s = s->next)
{
const char *name;
- boolean strip;
+ bfd_boolean strip;
if ((s->flags & SEC_LINKER_CREATED) == 0)
continue;
of the dynobj section names depend upon the input files. */
name = bfd_get_section_name (dynobj, s);
- strip = false;
+ strip = FALSE;
if (strcmp (name, ".plt") == 0)
{
{
/* Strip this section if we don't need it; see the
comment below. */
- strip = true;
+ strip = TRUE;
}
else
{
/* Remember whether there is a PLT. */
- plt = true;
+ plt = TRUE;
}
}
else if (strncmp (name, ".rela", 5) == 0)
adjust_dynamic_symbol is called, and it is that
function which decides whether anything needs to go
into these sections. */
- strip = true;
+ strip = TRUE;
}
else
{
- asection *target;
-
- /* Remember whether there are any reloc sections other
- than .rela.plt. */
- if (strcmp (name, ".rela.plt") != 0)
- {
- const char *outname;
-
- relocs = true;
-
- /* If this relocation section applies to a read only
- section, then we probably need a DT_TEXTREL
- entry. .rela.plt is actually associated with
- .got.plt, which is never readonly. */
- outname = bfd_get_section_name (output_bfd,
- s->output_section);
- target = bfd_get_section_by_name (output_bfd, outname + 5);
- if (target != NULL
- && (target->flags & SEC_READONLY) != 0
- && (target->flags & SEC_ALLOC) != 0)
- reltext = true;
- }
+ relocs = TRUE;
/* We use the reloc_count field as a counter if we need
to copy relocs into the output file. */
contents to zero. */
s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size);
if (s->contents == NULL && s->_raw_size != 0)
- return false;
+ return FALSE;
}
if (elf_hash_table (info)->dynamic_sections_created)
must add the entries now so that we get the correct size for
the .dynamic section. The DT_DEBUG entry is filled in by the
dynamic linker and used by the debugger. */
+#define add_dynamic_entry(TAG, VAL) \
+ _bfd_elf_add_dynamic_entry (info, TAG, VAL)
+
if (!info->shared)
{
- if (!bfd_elf32_add_dynamic_entry (info, DT_DEBUG, 0))
- return false;
+ if (!add_dynamic_entry (DT_DEBUG, 0))
+ return FALSE;
}
if (plt)
{
- if (!bfd_elf32_add_dynamic_entry (info, DT_PLTGOT, 0)
- || !bfd_elf32_add_dynamic_entry (info, DT_PLTRELSZ, 0)
- || !bfd_elf32_add_dynamic_entry (info, DT_PLTREL, DT_RELA)
- || !bfd_elf32_add_dynamic_entry (info, DT_JMPREL, 0))
- return false;
+ if (!add_dynamic_entry (DT_PLTGOT, 0)
+ || !add_dynamic_entry (DT_PLTRELSZ, 0)
+ || !add_dynamic_entry (DT_PLTREL, DT_RELA)
+ || !add_dynamic_entry (DT_JMPREL, 0))
+ return FALSE;
}
if (relocs)
{
- if (!bfd_elf32_add_dynamic_entry (info, DT_RELA, 0)
- || !bfd_elf32_add_dynamic_entry (info, DT_RELASZ, 0)
- || !bfd_elf32_add_dynamic_entry (info, DT_RELAENT,
- sizeof (Elf32_External_Rela)))
- return false;
+ if (!add_dynamic_entry (DT_RELA, 0)
+ || !add_dynamic_entry (DT_RELASZ, 0)
+ || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
+ return FALSE;
}
- if (reltext)
+ if ((info->flags & DF_TEXTREL) != 0)
{
- if (!bfd_elf32_add_dynamic_entry (info, DT_TEXTREL, 0))
- return false;
- info->flags |= DF_TEXTREL;
+ if (!add_dynamic_entry (DT_TEXTREL, 0))
+ return FALSE;
}
}
+#undef add_dynamic_entry
- return true;
+ return TRUE;
}
-/* This function is called via elf_m68k_link_hash_traverse if we are
- creating a shared object with -Bsymbolic. It discards the space
- allocated to copy PC relative relocs against symbols which are defined
- in regular objects. We allocated space for them in the check_relocs
- routine, but we won't fill them in in the relocate_section routine. */
-
-/*ARGSUSED*/
-static boolean
-elf_m68k_discard_copies (h, ignore)
- struct elf_m68k_link_hash_entry *h;
- PTR ignore ATTRIBUTE_UNUSED;
+/* This function is called via elf_link_hash_traverse if we are
+ creating a shared object. In the -Bsymbolic case it discards the
+ space allocated to copy PC relative relocs against symbols which
+ are defined in regular objects. For the normal shared case, it
+ discards space for pc-relative relocs that have become local due to
+ symbol visibility changes. We allocated space for them in the
+ check_relocs routine, but we won't fill them in in the
+ relocate_section routine.
+
+ We also check whether any of the remaining relocations apply
+ against a readonly section, and set the DF_TEXTREL flag in this
+ case. */
+
+static bfd_boolean
+elf_m68k_discard_copies (h, inf)
+ struct elf_link_hash_entry *h;
+ PTR inf;
{
+ struct bfd_link_info *info = (struct bfd_link_info *) inf;
struct elf_m68k_pcrel_relocs_copied *s;
- /* We only discard relocs for symbols defined in a regular object. */
- if ((h->root.elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
- return true;
+ if (h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+
+ if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0
+ || (!info->symbolic
+ && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0))
+ {
+ if ((info->flags & DF_TEXTREL) == 0)
+ {
+ /* Look for relocations against read-only sections. */
+ for (s = elf_m68k_hash_entry (h)->pcrel_relocs_copied;
+ s != NULL;
+ s = s->next)
+ if ((s->section->flags & SEC_READONLY) != 0)
+ {
+ info->flags |= DF_TEXTREL;
+ break;
+ }
+ }
+
+ return TRUE;
+ }
- for (s = h->pcrel_relocs_copied; s != NULL; s = s->next)
+ for (s = elf_m68k_hash_entry (h)->pcrel_relocs_copied;
+ s != NULL;
+ s = s->next)
s->section->_raw_size -= s->count * sizeof (Elf32_External_Rela);
- return true;
+ return TRUE;
}
/* Relocate an M68K ELF section. */
-static boolean
+static bfd_boolean
elf_m68k_relocate_section (output_bfd, info, input_bfd, input_section,
contents, relocs, local_syms, local_sections)
bfd *output_bfd;
Elf_Internal_Rela *rel;
Elf_Internal_Rela *relend;
+ if (info->relocatable)
+ return TRUE;
+
dynobj = elf_hash_table (info)->dynobj;
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (input_bfd);
Elf_Internal_Sym *sym;
asection *sec;
bfd_vma relocation;
+ bfd_boolean unresolved_reloc;
bfd_reloc_status_type r;
r_type = ELF32_R_TYPE (rel->r_info);
if (r_type < 0 || r_type >= (int) R_68K_max)
{
bfd_set_error (bfd_error_bad_value);
- return false;
+ return FALSE;
}
howto = howto_table + r_type;
r_symndx = ELF32_R_SYM (rel->r_info);
- if (info->relocateable)
- {
- /* This is a relocateable link. We don't have to change
- anything, unless the reloc is against a section symbol,
- in which case we have to adjust according to where the
- section symbol winds up in the output section. */
- if (r_symndx < symtab_hdr->sh_info)
- {
- sym = local_syms + r_symndx;
- if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
- {
- sec = local_sections[r_symndx];
- rel->r_addend += sec->output_offset + sym->st_value;
- }
- }
-
- continue;
- }
-
- /* This is a final link. */
h = NULL;
sym = NULL;
sec = NULL;
+ unresolved_reloc = FALSE;
+
if (r_symndx < symtab_hdr->sh_info)
{
sym = local_syms + r_symndx;
sec = local_sections[r_symndx];
- relocation = (sec->output_section->vma
- + sec->output_offset
- + sym->st_value);
+ relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
}
else
{
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- while (h->root.type == bfd_link_hash_indirect
- || h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
- if (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak)
- {
- sec = h->root.u.def.section;
- if (((r_type == R_68K_PLT8
- || r_type == R_68K_PLT16
- || r_type == R_68K_PLT32
- || r_type == R_68K_PLT8O
- || r_type == R_68K_PLT16O
- || r_type == R_68K_PLT32O)
- && h->plt.offset != (bfd_vma) -1
- && elf_hash_table (info)->dynamic_sections_created)
- || ((r_type == R_68K_GOT8O
- || r_type == R_68K_GOT16O
- || r_type == R_68K_GOT32O
- || ((r_type == R_68K_GOT8
- || r_type == R_68K_GOT16
- || r_type == R_68K_GOT32)
- && strcmp (h->root.root.string,
- "_GLOBAL_OFFSET_TABLE_") != 0))
- && elf_hash_table (info)->dynamic_sections_created
- && (! info->shared
- || (! info->symbolic && h->dynindx != -1)
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))
- || (info->shared
- && ((! info->symbolic && h->dynindx != -1)
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0)
- && (input_section->flags & SEC_ALLOC) != 0
- && (r_type == R_68K_8
- || r_type == R_68K_16
- || r_type == R_68K_32
- || r_type == R_68K_PC8
- || r_type == R_68K_PC16
- || r_type == R_68K_PC32)))
- {
- /* In these cases, we don't need the relocation
- value. We check specially because in some
- obscure cases sec->output_section will be NULL. */
- relocation = 0;
- }
- else
- relocation = (h->root.u.def.value
- + sec->output_section->vma
- + sec->output_offset);
- }
- else if (h->root.type == bfd_link_hash_undefweak)
- relocation = 0;
- else if (info->shared && !info->symbolic
- && !info->no_undefined
- && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
- relocation = 0;
- else
- {
- if (!(info->callbacks->undefined_symbol
- (info, h->root.root.string, input_bfd,
- input_section, rel->r_offset,
- (!info->shared || info->no_undefined
- || ELF_ST_VISIBILITY (h->other)))))
- return false;
- relocation = 0;
- }
+ bfd_boolean warned;
+
+ RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
+ r_symndx, symtab_hdr, sym_hashes,
+ h, sec, relocation,
+ unresolved_reloc, warned);
}
switch (r_type)
if (h != NULL)
{
+ bfd_boolean dyn;
+
off = h->got.offset;
BFD_ASSERT (off != (bfd_vma) -1);
- if (!elf_hash_table (info)->dynamic_sections_created
+ dyn = elf_hash_table (info)->dynamic_sections_created;
+ if (!WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
|| (info->shared
- && (info->symbolic || h->dynindx == -1)
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)))
+ && (info->symbolic
+ || h->dynindx == -1
+ || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0)
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)) != 0)
{
/* This is actually a static link, or it is a
-Bsymbolic link and the symbol is defined
h->got.offset |= 1;
}
}
+ else
+ unresolved_reloc = FALSE;
}
else
{
if (info->shared)
{
- asection *srelgot;
+ asection *s;
Elf_Internal_Rela outrel;
+ bfd_byte *loc;
- srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
- BFD_ASSERT (srelgot != NULL);
+ s = bfd_get_section_by_name (dynobj, ".rela.got");
+ BFD_ASSERT (s != NULL);
outrel.r_offset = (sgot->output_section->vma
+ sgot->output_offset
+ off);
outrel.r_info = ELF32_R_INFO (0, R_68K_RELATIVE);
outrel.r_addend = relocation;
- bfd_elf32_swap_reloca_out (output_bfd, &outrel,
- (((Elf32_External_Rela *)
- srelgot->contents)
- + srelgot->reloc_count));
- ++srelgot->reloc_count;
+ loc = s->contents;
+ loc += s->reloc_count++ * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
}
local_got_offsets[r_symndx] |= 1;
relocation = (splt->output_section->vma
+ splt->output_offset
+ h->plt.offset);
+ unresolved_reloc = FALSE;
break;
case R_68K_PLT8O:
}
relocation = h->plt.offset;
+ unresolved_reloc = FALSE;
/* This relocation does not use the addend. */
rel->r_addend = 0;
case R_68K_PC8:
case R_68K_PC16:
case R_68K_PC32:
- if (h == NULL)
+ if (h == NULL
+ || (info->shared
+ && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0))
break;
/* Fall through. */
case R_68K_8:
case R_68K_16:
case R_68K_32:
if (info->shared
+ && r_symndx != 0
&& (input_section->flags & SEC_ALLOC) != 0
+ && (h == NULL
+ || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ || h->root.type != bfd_link_hash_undefweak)
&& ((r_type != R_68K_PC8
&& r_type != R_68K_PC16
&& r_type != R_68K_PC32)
- || (!info->symbolic
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0)))
+ || (h != NULL
+ && h->dynindx != -1
+ && (!info->symbolic
+ || (h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) == 0))))
{
Elf_Internal_Rela outrel;
- boolean skip, relocate;
+ bfd_byte *loc;
+ bfd_boolean skip, relocate;
/* When generating a shared object, these relocations
are copied into the output file to be resolved at run
time. */
- if (sreloc == NULL)
- {
- const char *name;
-
- name = (bfd_elf_string_from_elf_section
- (input_bfd,
- elf_elfheader (input_bfd)->e_shstrndx,
- elf_section_data (input_section)->rel_hdr.sh_name));
- if (name == NULL)
- return false;
-
- BFD_ASSERT (strncmp (name, ".rela", 5) == 0
- && strcmp (bfd_get_section_name (input_bfd,
- input_section),
- name + 5) == 0);
-
- sreloc = bfd_get_section_by_name (dynobj, name);
- BFD_ASSERT (sreloc != NULL);
- }
-
- skip = false;
-
- if (elf_section_data (input_section)->stab_info == NULL)
- outrel.r_offset = rel->r_offset;
- else
- {
- bfd_vma off;
-
- off = (_bfd_stab_section_offset
- (output_bfd, &elf_hash_table (info)->stab_info,
- input_section,
- &elf_section_data (input_section)->stab_info,
- rel->r_offset));
- if (off == (bfd_vma) -1)
- skip = true;
- outrel.r_offset = off;
- }
+ skip = FALSE;
+ relocate = FALSE;
+ outrel.r_offset =
+ _bfd_elf_section_offset (output_bfd, info, input_section,
+ rel->r_offset);
+ if (outrel.r_offset == (bfd_vma) -1)
+ skip = TRUE;
+ else if (outrel.r_offset == (bfd_vma) -2)
+ skip = TRUE, relocate = TRUE;
outrel.r_offset += (input_section->output_section->vma
+ input_section->output_offset);
if (skip)
- {
- memset (&outrel, 0, sizeof outrel);
- relocate = false;
- }
- /* h->dynindx may be -1 if the symbol was marked to
- become local. */
+ memset (&outrel, 0, sizeof outrel);
else if (h != NULL
- && ((! info->symbolic && h->dynindx != -1)
+ && h->dynindx != -1
+ && (r_type == R_68K_PC8
+ || r_type == R_68K_PC16
+ || r_type == R_68K_PC32
+ || !info->shared
+ || !info->symbolic
|| (h->elf_link_hash_flags
& ELF_LINK_HASH_DEF_REGULAR) == 0))
{
- BFD_ASSERT (h->dynindx != -1);
- relocate = false;
outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
- outrel.r_addend = relocation + rel->r_addend;
+ outrel.r_addend = rel->r_addend;
}
else
{
+ /* This symbol is local, or marked to become local. */
if (r_type == R_68K_32)
{
- relocate = true;
+ relocate = TRUE;
outrel.r_info = ELF32_R_INFO (0, R_68K_RELATIVE);
outrel.r_addend = relocation + rel->r_addend;
}
{
long indx;
- if (h == NULL)
- sec = local_sections[r_symndx];
- else
- {
- BFD_ASSERT (h->root.type == bfd_link_hash_defined
- || (h->root.type
- == bfd_link_hash_defweak));
- sec = h->root.u.def.section;
- }
- if (sec != NULL && bfd_is_abs_section (sec))
+ if (bfd_is_abs_section (sec))
indx = 0;
else if (sec == NULL || sec->owner == NULL)
{
bfd_set_error (bfd_error_bad_value);
- return false;
+ return FALSE;
}
else
{
BFD_ASSERT (indx > 0);
}
- relocate = false;
outrel.r_info = ELF32_R_INFO (indx, r_type);
outrel.r_addend = relocation + rel->r_addend;
}
}
- bfd_elf32_swap_reloca_out (output_bfd, &outrel,
- (((Elf32_External_Rela *)
- sreloc->contents)
- + sreloc->reloc_count));
- ++sreloc->reloc_count;
+ sreloc = elf_section_data (input_section)->sreloc;
+ if (sreloc == NULL)
+ abort ();
+
+ loc = sreloc->contents;
+ loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
/* This reloc will be computed at runtime, so there's no
need to do anything now, except for R_68K_32
break;
}
+ /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
+ because such sections are not SEC_ALLOC and thus ld.so will
+ not process them. */
+ if (unresolved_reloc
+ && !((input_section->flags & SEC_DEBUGGING) != 0
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0))
+ {
+ (*_bfd_error_handler)
+ (_("%s(%s+0x%lx): unresolvable relocation against symbol `%s'"),
+ bfd_archive_filename (input_bfd),
+ bfd_get_section_name (input_bfd, input_section),
+ (long) rel->r_offset,
+ h->root.root.string);
+ return FALSE;
+ }
+
r = _bfd_final_link_relocate (howto, input_bfd, input_section,
contents, rel->r_offset,
relocation, rel->r_addend);
if (r != bfd_reloc_ok)
{
- switch (r)
+ const char *name;
+
+ if (h != NULL)
+ name = h->root.root.string;
+ else
{
- default:
- case bfd_reloc_outofrange:
- abort ();
- case bfd_reloc_overflow:
- {
- const char *name;
+ name = bfd_elf_string_from_elf_section (input_bfd,
+ symtab_hdr->sh_link,
+ sym->st_name);
+ if (name == NULL)
+ return FALSE;
+ if (*name == '\0')
+ name = bfd_section_name (input_bfd, sec);
+ }
- if (h != NULL)
- name = h->root.root.string;
- else
- {
- name = bfd_elf_string_from_elf_section (input_bfd,
- symtab_hdr->sh_link,
- sym->st_name);
- if (name == NULL)
- return false;
- if (*name == '\0')
- name = bfd_section_name (input_bfd, sec);
- }
- if (!(info->callbacks->reloc_overflow
- (info, name, howto->name, (bfd_vma) 0,
- input_bfd, input_section, rel->r_offset)))
- return false;
- }
- break;
+ if (r == bfd_reloc_overflow)
+ {
+ if (!(info->callbacks->reloc_overflow
+ (info, name, howto->name, (bfd_vma) 0,
+ input_bfd, input_section, rel->r_offset)))
+ return FALSE;
+ }
+ else
+ {
+ (*_bfd_error_handler)
+ (_("%s(%s+0x%lx): reloc against `%s': error %d"),
+ bfd_archive_filename (input_bfd),
+ bfd_get_section_name (input_bfd, input_section),
+ (long) rel->r_offset, name, (int) r);
+ return FALSE;
}
}
}
- return true;
+ return TRUE;
}
/* Finish up dynamic symbol handling. We set the contents of various
dynamic sections here. */
-static boolean
+static bfd_boolean
elf_m68k_finish_dynamic_symbol (output_bfd, info, h, sym)
bfd *output_bfd;
struct bfd_link_info *info;
bfd_vma plt_index;
bfd_vma got_offset;
Elf_Internal_Rela rela;
+ bfd_byte *loc;
/* This symbol has an entry in the procedure linkage table. Set
it up. */
+ got_offset);
rela.r_info = ELF32_R_INFO (h->dynindx, R_68K_JMP_SLOT);
rela.r_addend = 0;
- bfd_elf32_swap_reloca_out (output_bfd, &rela,
- ((Elf32_External_Rela *) srela->contents
- + plt_index));
+ loc = srela->contents + plt_index * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
{
asection *sgot;
asection *srela;
Elf_Internal_Rela rela;
+ bfd_byte *loc;
/* This symbol has an entry in the global offset table. Set it
up. */
rela.r_offset = (sgot->output_section->vma
+ sgot->output_offset
- + (h->got.offset &~ 1));
+ + (h->got.offset &~ (bfd_vma) 1));
/* If this is a -Bsymbolic link, and the symbol is defined
locally, we just want to emit a RELATIVE reloc. Likewise if
The entry in the global offset table will already have been
initialized in the relocate_section function. */
if (info->shared
- && (info->symbolic || h->dynindx == -1)
+ && (info->symbolic
+ || h->dynindx == -1
+ || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0)
&& (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))
{
rela.r_info = ELF32_R_INFO (0, R_68K_RELATIVE);
rela.r_addend = bfd_get_signed_32 (output_bfd,
(sgot->contents
- + (h->got.offset & ~1)));
+ + (h->got.offset &~ (bfd_vma) 1)));
}
else
{
bfd_put_32 (output_bfd, (bfd_vma) 0,
- sgot->contents + (h->got.offset & ~1));
+ sgot->contents + (h->got.offset &~ (bfd_vma) 1));
rela.r_info = ELF32_R_INFO (h->dynindx, R_68K_GLOB_DAT);
rela.r_addend = 0;
}
- bfd_elf32_swap_reloca_out (output_bfd, &rela,
- ((Elf32_External_Rela *) srela->contents
- + srela->reloc_count));
- ++srela->reloc_count;
+ loc = srela->contents;
+ loc += srela->reloc_count++ * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
}
if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
{
asection *s;
Elf_Internal_Rela rela;
+ bfd_byte *loc;
/* This symbol needs a copy reloc. Set it up. */
+ h->root.u.def.section->output_offset);
rela.r_info = ELF32_R_INFO (h->dynindx, R_68K_COPY);
rela.r_addend = 0;
- bfd_elf32_swap_reloca_out (output_bfd, &rela,
- ((Elf32_External_Rela *) s->contents
- + s->reloc_count));
- ++s->reloc_count;
+ loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
}
/* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
|| strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
sym->st_shndx = SHN_ABS;
- return true;
+ return TRUE;
}
/* Finish up the dynamic sections. */
-static boolean
+static bfd_boolean
elf_m68k_finish_dynamic_sections (output_bfd, info)
bfd *output_bfd;
struct bfd_link_info *info;
+ sgot->output_offset + 8
- (splt->output_section->vma + 10)),
splt->contents + 12);
- elf_section_data (splt->output_section)->this_hdr.sh_entsize
+ elf_section_data (splt->output_section)->this_hdr.sh_entsize
= PLT_ENTRY_SIZE;
}
else /* cpu32 */
(sgot->output_section->vma
+ sgot->output_offset + 8
- (splt->output_section->vma + 10)),
- splt->contents + 10);
- elf_section_data (splt->output_section)->this_hdr.sh_entsize
+ splt->contents + 12);
+ elf_section_data (splt->output_section)->this_hdr.sh_entsize
= PLT_CPU32_ENTRY_SIZE;
}
}
elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
- return true;
+ return TRUE;
}
/* Given a .data section and a .emreloc in-memory section, store
after the add_symbols entry point has been called for all the
objects, and before the final_link entry point is called. */
-boolean
+bfd_boolean
bfd_m68k_elf32_create_embedded_relocs (abfd, info, datasec, relsec, errmsg)
bfd *abfd;
struct bfd_link_info *info;
char **errmsg;
{
Elf_Internal_Shdr *symtab_hdr;
- Elf32_External_Sym *extsyms;
- Elf32_External_Sym *free_extsyms = NULL;
- Elf_Internal_Rela *internal_relocs;
- Elf_Internal_Rela *free_relocs = NULL;
+ Elf_Internal_Sym *isymbuf = NULL;
+ Elf_Internal_Rela *internal_relocs = NULL;
Elf_Internal_Rela *irel, *irelend;
bfd_byte *p;
+ bfd_size_type amt;
- BFD_ASSERT (! info->relocateable);
+ BFD_ASSERT (! info->relocatable);
*errmsg = NULL;
if (datasec->reloc_count == 0)
- return true;
+ return TRUE;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- /* Read this BFD's symbols if we haven't done so already, or get the cached
- copy if it exists. */
- if (symtab_hdr->contents != NULL)
- extsyms = (Elf32_External_Sym *) symtab_hdr->contents;
- else
- {
- /* Go get them off disk. */
- if (info->keep_memory)
- extsyms = ((Elf32_External_Sym *)
- bfd_alloc (abfd, symtab_hdr->sh_size));
- else
- extsyms = ((Elf32_External_Sym *)
- bfd_malloc (symtab_hdr->sh_size));
- if (extsyms == NULL)
- goto error_return;
- if (! info->keep_memory)
- free_extsyms = extsyms;
- if (bfd_seek (abfd, symtab_hdr->sh_offset, SEEK_SET) != 0
- || (bfd_read (extsyms, 1, symtab_hdr->sh_size, abfd)
- != symtab_hdr->sh_size))
- goto error_return;
- if (info->keep_memory)
- symtab_hdr->contents = extsyms;
- }
/* Get a copy of the native relocations. */
- internal_relocs = (_bfd_elf32_link_read_relocs
+ internal_relocs = (_bfd_elf_link_read_relocs
(abfd, datasec, (PTR) NULL, (Elf_Internal_Rela *) NULL,
info->keep_memory));
if (internal_relocs == NULL)
goto error_return;
- if (! info->keep_memory)
- free_relocs = internal_relocs;
- relsec->contents = (bfd_byte *) bfd_alloc (abfd, datasec->reloc_count * 12);
+ amt = (bfd_size_type) datasec->reloc_count * 12;
+ relsec->contents = (bfd_byte *) bfd_alloc (abfd, amt);
if (relsec->contents == NULL)
goto error_return;
/* Get the target section referred to by the reloc. */
if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
{
- Elf_Internal_Sym isym;
-
/* A local symbol. */
- bfd_elf32_swap_symbol_in (abfd,
- extsyms + ELF32_R_SYM (irel->r_info),
- &isym);
+ Elf_Internal_Sym *isym;
- targetsec = bfd_section_from_elf_index (abfd, isym.st_shndx);
+ /* Read this BFD's local symbols if we haven't done so already. */
+ if (isymbuf == NULL)
+ {
+ isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
+ if (isymbuf == NULL)
+ isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
+ symtab_hdr->sh_info, 0,
+ NULL, NULL, NULL);
+ if (isymbuf == NULL)
+ goto error_return;
+ }
+
+ isym = isymbuf + ELF32_R_SYM (irel->r_info);
+ targetsec = bfd_section_from_elf_index (abfd, isym->st_shndx);
}
else
{
if (targetsec != NULL)
strncpy (p + 4, targetsec->output_section->name, 8);
}
-
- if (free_extsyms != NULL)
- free (free_extsyms);
- if (free_relocs != NULL)
- free (free_relocs);
- return true;
+
+ if (isymbuf != NULL && symtab_hdr->contents != (unsigned char *) isymbuf)
+ free (isymbuf);
+ if (internal_relocs != NULL
+ && elf_section_data (datasec)->relocs != internal_relocs)
+ free (internal_relocs);
+ return TRUE;
error_return:
- if (free_extsyms != NULL)
- free (free_extsyms);
- if (free_relocs != NULL)
- free (free_relocs);
- return false;
+ if (isymbuf != NULL && symtab_hdr->contents != (unsigned char *) isymbuf)
+ free (isymbuf);
+ if (internal_relocs != NULL
+ && elf_section_data (datasec)->relocs != internal_relocs)
+ free (internal_relocs);
+ return FALSE;
+}
+
+static enum elf_reloc_type_class
+elf32_m68k_reloc_type_class (rela)
+ const Elf_Internal_Rela *rela;
+{
+ switch ((int) ELF32_R_TYPE (rela->r_info))
+ {
+ case R_68K_RELATIVE:
+ return reloc_class_relative;
+ case R_68K_JMP_SLOT:
+ return reloc_class_plt;
+ case R_68K_COPY:
+ return reloc_class_copy;
+ default:
+ return reloc_class_normal;
+ }
}
#define TARGET_BIG_SYM bfd_elf32_m68k_vec
_bfd_elf_create_dynamic_sections
#define bfd_elf32_bfd_link_hash_table_create \
elf_m68k_link_hash_table_create
-#define bfd_elf32_bfd_final_link _bfd_elf32_gc_common_final_link
+#define bfd_elf32_bfd_final_link bfd_elf_gc_common_final_link
#define elf_backend_check_relocs elf_m68k_check_relocs
#define elf_backend_adjust_dynamic_symbol \
elf_m68k_finish_dynamic_sections
#define elf_backend_gc_mark_hook elf_m68k_gc_mark_hook
#define elf_backend_gc_sweep_hook elf_m68k_gc_sweep_hook
-#define bfd_elf32_bfd_copy_private_bfd_data \
- elf32_m68k_copy_private_bfd_data
#define bfd_elf32_bfd_merge_private_bfd_data \
elf32_m68k_merge_private_bfd_data
#define bfd_elf32_bfd_set_private_flags \
elf32_m68k_set_private_flags
#define bfd_elf32_bfd_print_private_bfd_data \
elf32_m68k_print_private_bfd_data
+#define elf_backend_reloc_type_class elf32_m68k_reloc_type_class
#define elf_backend_can_gc_sections 1
+#define elf_backend_can_refcount 1
#define elf_backend_want_got_plt 1
#define elf_backend_plt_readonly 1
#define elf_backend_want_plt_sym 0
#define elf_backend_got_header_size 12
+#define elf_backend_rela_normal 1
#include "elf32-target.h"
projects / deliverable / binutils-gdb.git / blobdiff