summaryrefslogtreecommitdiff
path: root/gnu
diff options
context:
space:
mode:
authorMiod Vallat <miod@cvs.openbsd.org>2013-01-20 22:56:43 +0000
committerMiod Vallat <miod@cvs.openbsd.org>2013-01-20 22:56:43 +0000
commitb90de939b7f5ff86a3eb23d53413cb7573a89815 (patch)
treeb6fb89d3136da313fffdb443f32f8c4a291e905d /gnu
parenta540a47404b680dce4311c282165236af4117324 (diff)
Rewrite. This is heavily based upon elf32-m68k.c, with a few things borrowed
from elf32-ppc.c. The plt entry setup matches what can be found in Motorola's SVR4/m88k binaries.
Diffstat (limited to 'gnu')
-rw-r--r--gnu/usr.bin/binutils/bfd/elf32-m88k.c1710
1 files changed, 1652 insertions, 58 deletions
diff --git a/gnu/usr.bin/binutils/bfd/elf32-m88k.c b/gnu/usr.bin/binutils/bfd/elf32-m88k.c
index 1fed8335996..c960d17f946 100644
--- a/gnu/usr.bin/binutils/bfd/elf32-m88k.c
+++ b/gnu/usr.bin/binutils/bfd/elf32-m88k.c
@@ -1,6 +1,6 @@
/* Motorola 88k series support for 32-bit ELF
- Copyright 2006 Free Software Foundation, Inc.
- Inspired from elf-m68k.c and elf-openrisc.c
+ 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.
@@ -25,10 +25,14 @@
#include "elf-bfd.h"
#include "elf/m88k.h"
-static reloc_howto_type *elf_m88k_reloc_type_lookup
+static reloc_howto_type *reloc_type_lookup
PARAMS ((bfd *, bfd_reloc_code_real_type));
-static void elf_m88k_info_to_howto
+static void rtype_to_howto
PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
+static struct bfd_hash_entry *elf_m88k_link_hash_newfunc
+ PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
+static struct bfd_link_hash_table *elf_m88k_link_hash_table_create
+ PARAMS ((bfd *));
static bfd_boolean elf_m88k_check_relocs
PARAMS ((bfd *, struct bfd_link_info *, asection *,
const Elf_Internal_Rela *));
@@ -38,9 +42,20 @@ static asection *elf_m88k_gc_mark_hook
static bfd_boolean elf_m88k_gc_sweep_hook
PARAMS ((bfd *, struct bfd_link_info *, asection *,
const Elf_Internal_Rela *));
+static bfd_boolean elf_m88k_adjust_dynamic_symbol
+ PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
+static bfd_boolean elf_m88k_size_dynamic_sections
+ PARAMS ((bfd *, struct bfd_link_info *));
+static bfd_boolean elf_m88k_discard_copies
+ PARAMS ((struct elf_link_hash_entry *, PTR));
static bfd_boolean elf_m88k_relocate_section
PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
+static bfd_boolean elf_m88k_finish_dynamic_symbol
+ PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
+ Elf_Internal_Sym *));
+static bfd_boolean elf_m88k_finish_dynamic_sections
+ PARAMS ((bfd *, struct bfd_link_info *));
static bfd_boolean elf32_m88k_set_private_flags
PARAMS ((bfd *, flagword));
@@ -48,15 +63,17 @@ static bfd_boolean elf32_m88k_merge_private_bfd_data
PARAMS ((bfd *, bfd *));
static bfd_boolean elf32_m88k_print_private_bfd_data
PARAMS ((bfd *, PTR));
+static enum elf_reloc_type_class elf32_m88k_reloc_type_class
+ PARAMS ((const Elf_Internal_Rela *));
-#define UNHANDLED_HOWTO(C) \
+#define UNHANDLED_HOWTO(C) \
HOWTO ((C), 0, 0, 0, FALSE, 0, complain_overflow_dont, NULL, __STRING(C), \
FALSE, 0, 0, FALSE)
-#define UNIMPLEMENTED_HOWTO \
+#define UNIMPLEMENTED_HOWTO \
HOWTO (R_88K_UNIMPLEMENTED, 0, 0, 0, FALSE, 0, complain_overflow_dont, NULL, \
"R_88K_UNIMPLEMENTED", FALSE, 0, 0, FALSE)
-static reloc_howto_type _bfd_m88k_elf_howto_table[] = {
+static reloc_howto_type howto_table[] = {
HOWTO (R_88K_NONE, 0, 0, 0, FALSE,0, complain_overflow_dont, bfd_elf_generic_reloc, "R_88K_NONE", FALSE, 0, 0x00000000,FALSE),
UNHANDLED_HOWTO (R_88K_COPY),
UNHANDLED_HOWTO (R_88K_GOTP_ENT),
@@ -71,7 +88,7 @@ static reloc_howto_type _bfd_m88k_elf_howto_table[] = {
UNIMPLEMENTED_HOWTO,
UNIMPLEMENTED_HOWTO,
UNIMPLEMENTED_HOWTO,
- UNHANDLED_HOWTO (R_88K_PLT_DISP26),
+ HOWTO (R_88K_PLT_DISP26, 2, 2,26, TRUE, 0, complain_overflow_signed, bfd_elf_generic_reloc, "R_88K_PLT_DISP26", FALSE, 0, 0x03ffffff,TRUE),
UNIMPLEMENTED_HOWTO,
UNHANDLED_HOWTO (R_88K_BBASED_32),
UNHANDLED_HOWTO (R_88K_BBASED_32UA),
@@ -83,8 +100,8 @@ static reloc_howto_type _bfd_m88k_elf_howto_table[] = {
UNIMPLEMENTED_HOWTO,
UNHANDLED_HOWTO (R_88K_ABDIFF_32),
UNHANDLED_HOWTO (R_88K_ABDIFF_32UA),
- UNHANDLED_HOWTO (R_88K_ABDIFF_16H),
- UNHANDLED_HOWTO (R_88K_ABDIFF_16L),
+ HOWTO (R_88K_ABDIFF_16H, 16, 1,16, FALSE,0, complain_overflow_dont, bfd_elf_generic_reloc, "R_88K_ABDIFF_16H", FALSE, 0, 0x0000ffff,FALSE),
+ HOWTO (R_88K_ABDIFF_16L, 0, 1,16, FALSE,0, complain_overflow_dont, bfd_elf_generic_reloc, "R_88K_ABDIFF_16L", FALSE, 0, 0x0000ffff,FALSE),
UNHANDLED_HOWTO (R_88K_ABDIFF_16),
UNIMPLEMENTED_HOWTO,
UNIMPLEMENTED_HOWTO,
@@ -99,8 +116,8 @@ static reloc_howto_type _bfd_m88k_elf_howto_table[] = {
UNIMPLEMENTED_HOWTO,
UNHANDLED_HOWTO (R_88K_GOT_32),
UNHANDLED_HOWTO (R_88K_GOT_32UA),
- UNHANDLED_HOWTO (R_88K_GOT_16H),
- UNHANDLED_HOWTO (R_88K_GOT_16L),
+ HOWTO (R_88K_GOT_16H, 16, 1,16, FALSE,0, complain_overflow_dont, bfd_elf_generic_reloc, "R_88K_GOT_16H", FALSE, 0, 0x0000ffff,FALSE),
+ HOWTO (R_88K_GOT_16L, 0, 1,16, FALSE,0, complain_overflow_dont, bfd_elf_generic_reloc, "R_88K_GOT_16L", FALSE, 0, 0x0000ffff,FALSE),
UNHANDLED_HOWTO (R_88K_GOT_16),
UNIMPLEMENTED_HOWTO,
UNIMPLEMENTED_HOWTO,
@@ -113,7 +130,7 @@ static reloc_howto_type _bfd_m88k_elf_howto_table[] = {
UNIMPLEMENTED_HOWTO,
UNIMPLEMENTED_HOWTO,
UNIMPLEMENTED_HOWTO,
- UNHANDLED_HOWTO (R_88K_PLT_32),
+ HOWTO (R_88K_PLT_32, 0, 2,32, FALSE,0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_88K_PLT_32", FALSE, 0, 0xffffffff,FALSE),
UNHANDLED_HOWTO (R_88K_PLT_32UA),
UNHANDLED_HOWTO (R_88K_PLT_16H),
UNHANDLED_HOWTO (R_88K_PLT_16L),
@@ -164,21 +181,22 @@ static reloc_howto_type _bfd_m88k_elf_howto_table[] = {
};
static void
-elf_m88k_info_to_howto (abfd, cache_ptr, dst)
+rtype_to_howto (abfd, cache_ptr, dst)
bfd *abfd ATTRIBUTE_UNUSED;
arelent *cache_ptr;
Elf_Internal_Rela *dst;
{
BFD_ASSERT (ELF32_R_TYPE(dst->r_info) < (unsigned int) R_88K_UNIMPLEMENTED);
- cache_ptr->howto = &_bfd_m88k_elf_howto_table[ELF32_R_TYPE(dst->r_info)];
+ cache_ptr->howto = &howto_table[ELF32_R_TYPE(dst->r_info)];
}
-struct elf_reloc_map {
- bfd_reloc_code_real_type bfd_reloc_val;
- unsigned char elf_reloc_val;
-};
+#define elf_info_to_howto rtype_to_howto
-static const struct elf_reloc_map m88k_reloc_map[] = {
+static const struct
+{
+ bfd_reloc_code_real_type bfd_val;
+ int elf_val;
+} reloc_map[] = {
{ BFD_RELOC_NONE, R_88K_NONE },
{ BFD_RELOC_LO16, R_88K_16L },
{ BFD_RELOC_HI16, R_88K_16H },
@@ -187,31 +205,184 @@ static const struct elf_reloc_map m88k_reloc_map[] = {
{ BFD_RELOC_8, R_88K_8 },
{ BFD_RELOC_16, R_88K_16 },
{ BFD_RELOC_32, R_88K_32 },
+
+ { BFD_RELOC_LO16_BASEREL, R_88K_ABDIFF_16L },
+ { BFD_RELOC_HI16_BASEREL, R_88K_ABDIFF_16H },
+ { BFD_RELOC_LO16_GOTOFF, R_88K_GOT_16L },
+ { BFD_RELOC_HI16_GOTOFF, R_88K_GOT_16H },
+ { BFD_RELOC_32_PLTOFF, R_88K_PLT_32 },
+ { BFD_RELOC_32_PLT_PCREL, R_88K_PLT_DISP26 },
+
{ BFD_RELOC_VTABLE_INHERIT, R_88K_GNU_VTINHERIT },
{ BFD_RELOC_VTABLE_ENTRY, R_88K_GNU_VTENTRY }
};
static reloc_howto_type *
-elf_m88k_reloc_type_lookup (abfd, code)
+reloc_type_lookup (abfd, code)
bfd *abfd ATTRIBUTE_UNUSED;
bfd_reloc_code_real_type code;
{
unsigned int i;
-
- for (i = 0; i < sizeof (m88k_reloc_map) / sizeof (struct elf_reloc_map); i++)
+ for (i = 0; i < sizeof (reloc_map) / sizeof (reloc_map[0]); i++)
{
- if (m88k_reloc_map[i].bfd_reloc_val == code)
- return (_bfd_m88k_elf_howto_table +
- (int) m88k_reloc_map[i].elf_reloc_val);
+ if (reloc_map[i].bfd_val == code)
+ return &howto_table[reloc_map[i].elf_val];
}
-
- bfd_set_error (bfd_error_bad_value);
- return NULL;
+ return 0;
}
+#define bfd_elf32_bfd_reloc_type_lookup reloc_type_lookup
+#define ELF_ARCH bfd_arch_m88k
/* Functions for the m88k ELF linker. */
+/* The name of the dynamic interpreter. This is put in the .interp
+ section. */
+
+#define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
+
+/* The size in bytes of an entry in the procedure linkage table. */
+
+#define PLT_ENTRY_SIZE 24
+
+/* The size in bytes of the first entry in the procedure linkage table. */
+
+#define PLT_ENTRY0_SIZE (3 * PLT_ENTRY_SIZE)
+
+/* The first entry in a procedure linkage table looks like this. See
+ the SVR4 ABI m88k supplement to see how this works. */
+
+static const bfd_byte elf_m88k_plt0_entry[PLT_ENTRY0_SIZE] =
+{
+ 0x67, 0xff, 0x00, 0x10, /* subu r31, r31, 0x10 */
+ 0x24, 0x3f, 0x00, 0x0c, /* st r1, r31, 0x0c */
+ 0x25, 0x7f, 0x00, 0x08, /* st r11, r31, 0x08 */
+ 0xc8, 0x00, 0x00, 0x01, /* bsr 1f */
+ 0x5d, 0x60, 0x00, 0x00, /* 1: or.u r11, r0, %hi16(1b#abdiff) */
+ 0x59, 0x6b, 0x00, 0x00, /* or r11, r11, %lo16(1b#abdiff) */
+ 0xf5, 0x6b, 0x60, 0x01, /* addu r11, r11, r1 */
+ 0x14, 0x2b, 0x00, 0x04, /* ld r1, r11, 0x04 */
+ 0x24, 0x3f, 0x00, 0x04, /* st r1, r31, 0x04 */
+ 0x15, 0x6b, 0x00, 0x08, /* ld r11, r11, 0x08 */
+ 0x24, 0x1f, 0x00, 0x00, /* st r0, r31, 0 */
+ 0xf4, 0x00, 0xc8, 0x0b, /* jsr r11 */
+ 0xf4, 0x00, 0x58, 0x00, /* nop */
+ 0xf4, 0x00, 0x58, 0x00, /* nop */
+ 0xf4, 0x00, 0x58, 0x00, /* nop */
+ 0xf4, 0x00, 0x58, 0x00, /* nop */
+ 0xf4, 0x00, 0x58, 0x00, /* nop */
+ 0xf4, 0x00, 0x58, 0x00 /* nop */
+};
+
+/* Subsequent entries in a procedure linkage table look like this. */
+
+static const bfd_byte elf_m88k_plt_entry[PLT_ENTRY_SIZE] =
+{
+ 0x5d, 0x60, 0x00, 0x00, /* or.u r11, r0, %hi16(symbol#gotrel) */
+ 0x15, 0x6b, 0x00, 0x00, /* ld r11, r11, %lo16(symbol#gotrel) */
+ 0xf4, 0x00, 0xc0, 0x0b, /* jmp r11 */
+ 0x5d, 0x60, 0x00, 0x00, /* 1: or.u r11, r0, %hi16(.rela offset) */
+ 0x59, 0x6b, 0x00, 0x00, /* or r11, r11, %lo16(.rela offset) */
+ 0xc0, 0x00, 0x00, 0x00 /* br resolver */
+};
+
+/* The m88k linker needs to keep track of the number of relocs that it
+ decides to copy in check_relocs for each symbol. This is so that it
+ can discard PC relative relocs if it doesn't need them when linking
+ with -Bsymbolic. We store the information in a field extending the
+ regular ELF linker hash table. */
+
+/* This structure keeps track of the number of PC relative relocs we have
+ copied for a given symbol. */
+
+struct elf_m88k_pcrel_relocs_copied
+{
+ /* Next section. */
+ struct elf_m88k_pcrel_relocs_copied *next;
+ /* A section in dynobj. */
+ asection *section;
+ /* Number of relocs copied in this section. */
+ bfd_size_type count;
+};
+
+/* m88k ELF linker hash entry. */
+
+struct elf_m88k_link_hash_entry
+{
+ struct elf_link_hash_entry root;
+
+ /* Number of PC relative relocs copied for this symbol. */
+ struct elf_m88k_pcrel_relocs_copied *pcrel_relocs_copied;
+};
+
+#define elf_m88k_hash_entry(ent) ((struct elf_m88k_link_hash_entry *) (ent))
+
+/* m88k ELF linker hash table. */
+
+struct elf_m88k_link_hash_table
+{
+ struct elf_link_hash_table root;
+
+ /* Small local sym to section mapping cache. */
+ struct sym_sec_cache sym_sec;
+};
+
+/* Get the m88k ELF linker hash table from a link_info structure. */
+
+#define elf_m88k_hash_table(p) \
+ ((struct elf_m88k_link_hash_table *) (p)->hash)
+
+/* Create an entry in an m88k ELF linker hash table. */
+
+static struct bfd_hash_entry *
+elf_m88k_link_hash_newfunc (entry, table, string)
+ struct bfd_hash_entry *entry;
+ struct bfd_hash_table *table;
+ const char *string;
+{
+ struct bfd_hash_entry *ret = entry;
+
+ /* Allocate the structure if it has not already been allocated by a
+ subclass. */
+ if (ret == NULL)
+ ret = bfd_hash_allocate (table,
+ sizeof (struct elf_m88k_link_hash_entry));
+ if (ret == NULL)
+ return ret;
+
+ /* Call the allocation method of the superclass. */
+ ret = _bfd_elf_link_hash_newfunc (ret, table, string);
+ if (ret != NULL)
+ elf_m88k_hash_entry (ret)->pcrel_relocs_copied = NULL;
+
+ return ret;
+}
+
+/* Create an m88k ELF linker hash table. */
+
+static struct bfd_link_hash_table *
+elf_m88k_link_hash_table_create (abfd)
+ bfd *abfd;
+{
+ struct elf_m88k_link_hash_table *ret;
+ bfd_size_type amt = sizeof (struct elf_m88k_link_hash_table);
+
+ ret = (struct elf_m88k_link_hash_table *) bfd_alloc (abfd, amt);
+ if (ret == (struct elf_m88k_link_hash_table *) NULL)
+ return NULL;
+
+ if (! _bfd_elf_link_hash_table_init (&ret->root, abfd,
+ elf_m88k_link_hash_newfunc))
+ {
+ free (ret);
+ return NULL;
+ }
+
+ ret->sym_sec.abfd = NULL;
+
+ return &ret->root.root;
+}
+
/* Keep m88k-specific flags in the ELF header. */
static bfd_boolean
elf32_m88k_set_private_flags (abfd, flags)
@@ -275,6 +446,7 @@ elf32_m88k_print_private_bfd_data (abfd, ptr)
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. */
@@ -286,28 +458,36 @@ elf_m88k_check_relocs (abfd, info, sec, relocs)
asection *sec;
const Elf_Internal_Rela *relocs;
{
+ bfd *dynobj;
Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
+ struct elf_link_hash_entry **sym_hashes;
+ bfd_signed_vma *local_got_refcounts;
const Elf_Internal_Rela *rel;
const Elf_Internal_Rela *rel_end;
+ asection *sgot;
+ asection *srelgot;
+ asection *sreloc;
if (info->relocatable)
return TRUE;
+ dynobj = elf_hash_table (info)->dynobj;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (abfd);
- sym_hashes_end =
- sym_hashes + symtab_hdr->sh_size / sizeof (Elf32_External_Sym);
- if (!elf_bad_symtab (abfd))
- sym_hashes_end -= symtab_hdr->sh_info;
+ local_got_refcounts = elf_local_got_refcounts (abfd);
+
+ sgot = NULL;
+ srelgot = NULL;
+ sreloc = NULL;
rel_end = relocs + sec->reloc_count;
for (rel = relocs; rel < rel_end; rel++)
{
- struct elf_link_hash_entry *h;
unsigned long r_symndx;
+ struct elf_link_hash_entry *h;
r_symndx = ELF32_R_SYM (rel->r_info);
+
if (r_symndx < symtab_hdr->sh_info)
h = NULL;
else
@@ -315,6 +495,279 @@ elf_m88k_check_relocs (abfd, info, sec, relocs)
switch (ELF32_R_TYPE (rel->r_info))
{
+ case R_88K_GOT_16L:
+ case R_88K_GOT_16H:
+ /* This symbol requires a global offset table entry. */
+
+ if (dynobj == NULL)
+ {
+ /* Create the .got section. */
+ elf_hash_table (info)->dynobj = dynobj = abfd;
+ if (!_bfd_elf_create_got_section (dynobj, info))
+ return FALSE;
+ }
+
+ if (sgot == NULL)
+ {
+ sgot = bfd_get_section_by_name (dynobj, ".got");
+ BFD_ASSERT (sgot != NULL);
+ }
+
+ if (srelgot == NULL
+ && (h != NULL || info->shared))
+ {
+ srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
+ if (srelgot == NULL)
+ {
+ srelgot = bfd_make_section (dynobj, ".rela.got");
+ if (srelgot == NULL
+ || !bfd_set_section_flags (dynobj, srelgot,
+ (SEC_ALLOC
+ | SEC_LOAD
+ | SEC_HAS_CONTENTS
+ | SEC_IN_MEMORY
+ | SEC_LINKER_CREATED
+ | SEC_READONLY))
+ || !bfd_set_section_alignment (dynobj, srelgot, 2))
+ return FALSE;
+ }
+ }
+
+ if (h != NULL)
+ {
+ if (h->got.refcount == 0)
+ {
+ /* Make sure this symbol is output as a dynamic symbol. */
+ if (h->dynindx == -1
+ && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
+ {
+ if (!bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
+
+ /* Allocate space in the .got section. */
+ sgot->_raw_size += 4;
+ /* Allocate relocation space. */
+ srelgot->_raw_size += sizeof (Elf32_External_Rela);
+ }
+ h->got.refcount++;
+ }
+ else
+ {
+ /* This is a global offset table entry for a local symbol. */
+ if (local_got_refcounts == NULL)
+ {
+ bfd_size_type size;
+
+ size = symtab_hdr->sh_info;
+ size *= sizeof (bfd_signed_vma);
+ local_got_refcounts = ((bfd_signed_vma *)
+ bfd_zalloc (abfd, size));
+ if (local_got_refcounts == NULL)
+ return FALSE;
+ elf_local_got_refcounts (abfd) = local_got_refcounts;
+ }
+ if (local_got_refcounts[r_symndx] == 0)
+ {
+ sgot->_raw_size += 4;
+ if (info->shared)
+ {
+ /* If we are generating a shared object, we need to
+ output a R_88K_BBASED reloc so that the dynamic
+ linker can adjust this GOT entry. */
+ srelgot->_raw_size += sizeof (Elf32_External_Rela);
+ }
+ }
+ local_got_refcounts[r_symndx]++;
+ }
+ break;
+
+ case R_88K_PLT_DISP26:
+ /* This symbol requires a procedure linkage table entry. We
+ actually build the entry in adjust_dynamic_symbol,
+ because this might be a case of linking PIC code which is
+ never referenced by a dynamic object, in which case we
+ don't need to generate a procedure linkage table entry
+ after all. */
+
+ /* If this is a local symbol, we resolve it directly without
+ creating a procedure linkage table entry. */
+ if (h == NULL)
+ continue;
+
+ h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
+ h->plt.refcount++;
+ break;
+
+ case R_88K_PLT_32:
+ /* This symbol requires a procedure linkage table entry. */
+
+ if (h == NULL)
+ {
+ /* It does not make sense to have this relocation for a
+ local symbol. FIXME: does it? How to handle it if
+ it does make sense? */
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
+
+ /* Make sure this symbol is output as a dynamic symbol. */
+ if (h->dynindx == -1
+ && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
+ {
+ if (!bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
+
+ h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
+ h->plt.refcount++;
+ break;
+
+ case R_88K_DISP16:
+ case R_88K_DISP26:
+ /* If we are creating a shared library and this is not a local
+ symbol, we need to copy the reloc into the shared library.
+ However when linking with -Bsymbolic and this is a global
+ symbol which is defined in an object we are including in the
+ link (i.e., DEF_REGULAR is set), then we can resolve the
+ reloc directly. At this point we have not seen all the input
+ files, so it is possible that DEF_REGULAR is not set now but
+ will be set later (it is never cleared). We account for that
+ possibility below by storing information in the
+ pcrel_relocs_copied field of the hash table entry. */
+ if (!(info->shared
+ && (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)))
+ {
+ if (h != NULL)
+ {
+ /* Make sure a plt entry is created for this symbol if
+ it turns out to be a function defined by a dynamic
+ object. */
+ h->plt.refcount++;
+ }
+ break;
+ }
+ /* Fall through. */
+ case R_88K_32:
+ case R_88K_16L:
+ case R_88K_16H:
+ if (h != NULL)
+ {
+ /* Make sure a plt entry is created for this symbol if it
+ turns out to be a function defined by a dynamic object. */
+ h->plt.refcount++;
+ }
+
+ /* If we are creating a shared library, we need to copy the
+ reloc into the shared library. */
+ if (info->shared
+ && (sec->flags & SEC_ALLOC) != 0)
+ {
+ /* When creating a shared object, we must copy these
+ reloc types into the output file. We create a reloc
+ section in dynobj and make room for this reloc. */
+ if (sreloc == NULL)
+ {
+ const char *name;
+
+ name = (bfd_elf_string_from_elf_section
+ (abfd,
+ elf_elfheader (abfd)->e_shstrndx,
+ elf_section_data (sec)->rel_hdr.sh_name));
+ if (name == NULL)
+ return FALSE;
+
+ BFD_ASSERT (strncmp (name, ".rela", 5) == 0
+ && strcmp (bfd_get_section_name (abfd, sec),
+ name + 5) == 0);
+
+ sreloc = bfd_get_section_by_name (dynobj, name);
+ if (sreloc == NULL)
+ {
+ sreloc = bfd_make_section (dynobj, name);
+ if (sreloc == NULL
+ || !bfd_set_section_flags (dynobj, sreloc,
+ (SEC_ALLOC
+ | SEC_LOAD
+ | SEC_HAS_CONTENTS
+ | SEC_IN_MEMORY
+ | SEC_LINKER_CREATED
+ | SEC_READONLY))
+ || !bfd_set_section_alignment (dynobj, sreloc, 2))
+ 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_88K_DISP16
+ || ELF32_R_TYPE (rel->r_info) == R_88K_DISP26))
+ info->flags |= DF_TEXTREL;
+
+ sreloc->_raw_size += sizeof (Elf32_External_Rela);
+
+ /* 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 m88kelf linker
+ hash table, which means that h is really a pointer to an
+ elf_m88k_link_hash_entry. */
+ if (ELF32_R_TYPE (rel->r_info) == R_88K_DISP16
+ || ELF32_R_TYPE (rel->r_info) == R_88K_DISP26)
+ {
+ struct elf_m88k_pcrel_relocs_copied *p;
+ struct elf_m88k_pcrel_relocs_copied **head;
+
+ if (h != NULL)
+ {
+ struct elf_m88k_link_hash_entry *eh
+ = elf_m88k_hash_entry (h);
+ head = &eh->pcrel_relocs_copied;
+ }
+ else
+ {
+ asection *s;
+ s = (bfd_section_from_r_symndx
+ (abfd, &elf_m88k_hash_table (info)->sym_sec,
+ sec, r_symndx));
+ if (s == NULL)
+ return FALSE;
+
+ head = ((struct elf_m88k_pcrel_relocs_copied **)
+ &elf_section_data (s)->local_dynrel);
+ }
+
+ for (p = *head; p != NULL; p = p->next)
+ if (p->section == sreloc)
+ break;
+
+ if (p == NULL)
+ {
+ p = ((struct elf_m88k_pcrel_relocs_copied *)
+ bfd_alloc (dynobj, (bfd_size_type) sizeof *p));
+ if (p == NULL)
+ return FALSE;
+ p->next = *head;
+ *head = p;
+ p->section = sreloc;
+ p->count = 0;
+ }
+
+ ++p->count;
+ }
+ }
+
+ break;
+
/* This relocation describes the C++ object vtable hierarchy.
Reconstruct it for later use during GC. */
case R_88K_GNU_VTINHERIT:
@@ -359,15 +812,15 @@ elf_m88k_gc_mark_hook (sec, info, rel, h, sym)
default:
switch (h->root.type)
{
+ default:
+ break;
+
case bfd_link_hash_defined:
case bfd_link_hash_defweak:
return h->root.u.def.section;
case bfd_link_hash_common:
return h->root.u.c.p->section;
-
- default:
- break;
}
}
}
@@ -381,11 +834,504 @@ elf_m88k_gc_mark_hook (sec, info, rel, h, sym)
static bfd_boolean
elf_m88k_gc_sweep_hook (abfd, info, sec, relocs)
- bfd *abfd ATTRIBUTE_UNUSED;
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- asection *sec ATTRIBUTE_UNUSED;
- const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED;
+ bfd *abfd;
+ struct bfd_link_info *info;
+ asection *sec;
+ const Elf_Internal_Rela *relocs;
{
+ Elf_Internal_Shdr *symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes;
+ bfd_signed_vma *local_got_refcounts;
+ const Elf_Internal_Rela *rel, *relend;
+ 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);
+
+ 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_88K_GOT_16L:
+ case R_88K_GOT_16H:
+ r_symndx = ELF32_R_SYM (rel->r_info);
+ if (r_symndx >= symtab_hdr->sh_info)
+ {
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ if (h->got.refcount > 0)
+ {
+ --h->got.refcount;
+ if (h->got.refcount == 0)
+ {
+ /* We don't need the .got entry any more. */
+ sgot->_raw_size -= 4;
+ srelgot->_raw_size -= sizeof (Elf32_External_Rela);
+ }
+ }
+ }
+ else if (local_got_refcounts != NULL)
+ {
+ if (local_got_refcounts[r_symndx] > 0)
+ {
+ --local_got_refcounts[r_symndx];
+ if (local_got_refcounts[r_symndx] == 0)
+ {
+ /* We don't need the .got entry any more. */
+ sgot->_raw_size -= 4;
+ if (info->shared)
+ srelgot->_raw_size -= sizeof (Elf32_External_Rela);
+ }
+ }
+ }
+ break;
+
+ case R_88K_PLT_DISP26:
+ case R_88K_PLT_32:
+ case R_88K_DISP16:
+ case R_88K_DISP26:
+ case R_88K_32:
+ case R_88K_16L:
+ case R_88K_16H:
+ r_symndx = ELF32_R_SYM (rel->r_info);
+ if (r_symndx >= symtab_hdr->sh_info)
+ {
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ if (h->plt.refcount > 0)
+ --h->plt.refcount;
+ }
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ 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 bfd_boolean
+elf_m88k_adjust_dynamic_symbol (info, h)
+ struct bfd_link_info *info;
+ struct elf_link_hash_entry *h;
+{
+ bfd *dynobj;
+ asection *s;
+ unsigned int power_of_two;
+
+ dynobj = elf_hash_table (info)->dynobj;
+
+ /* Make sure we know what is going on here. */
+ BFD_ASSERT (dynobj != NULL
+ && ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT)
+ || h->weakdef != NULL
+ || ((h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_DYNAMIC) != 0
+ && (h->elf_link_hash_flags
+ & ELF_LINK_HASH_REF_REGULAR) != 0
+ && (h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) == 0)));
+
+ /* If this is a function, put it in the procedure linkage table. We
+ will fill in the contents of the procedure linkage table later,
+ when we know the address of the .got section. */
+ if (h->type == STT_FUNC
+ || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0)
+ {
+ if (! info->shared
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) == 0
+ /* We must always create the plt entry if it was referenced
+ by a PLTxxO relocation. In this case we already recorded
+ it as a dynamic symbol. */
+ && h->dynindx == -1)
+ {
+ /* This case can occur if we saw a PLTxx reloc in an input
+ file, but the symbol was never referred to by a dynamic
+ object. In such a case, we don't actually need to build
+ a procedure linkage table, and we can just do a PCxx
+ reloc instead. */
+ BFD_ASSERT ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0);
+ h->plt.offset = (bfd_vma) -1;
+ return TRUE;
+ }
+
+ /* GC may have rendered this entry unused. */
+ if (h->plt.refcount <= 0)
+ {
+ h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
+ h->plt.offset = (bfd_vma) -1;
+ return TRUE;
+ }
+
+ /* Make sure this symbol is output as a dynamic symbol. */
+ if (h->dynindx == -1
+ && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
+
+ s = bfd_get_section_by_name (dynobj, ".plt");
+ BFD_ASSERT (s != NULL);
+
+ /* If this is the first .plt entry, make room for the special
+ first entry. */
+ if (s->_raw_size == 0)
+ {
+ s->_raw_size += PLT_ENTRY0_SIZE;
+ }
+
+ /* If this symbol is not defined in a regular file, and we are
+ not generating a shared library, then set the symbol to this
+ location in the .plt. This is required to make function
+ pointers compare as equal between the normal executable and
+ the shared library. */
+ if (!info->shared
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ {
+ h->root.u.def.section = s;
+ h->root.u.def.value = s->_raw_size;
+ }
+
+ h->plt.offset = s->_raw_size;
+
+ /* Make room for this entry. */
+ s->_raw_size += PLT_ENTRY_SIZE;
+
+ /* 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;
+ }
+
+ /* Reinitialize the plt offset now that it is not used as a reference
+ count any more. */
+ h->plt.offset = (bfd_vma) -1;
+
+ /* If this is a weak symbol, and there is a real definition, the
+ processor independent code will have arranged for us to see the
+ real definition first, and we can just use the same value. */
+ if (h->weakdef != NULL)
+ {
+ BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined
+ || 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;
+ }
+
+ /* This is a reference to a symbol defined by a dynamic object which
+ is not a function. */
+
+ /* If we are creating a shared library, we must presume that the
+ only references to the symbol are via the global offset table.
+ For such cases we need not do anything here; the relocations will
+ be handled correctly by relocate_section. */
+ if (info->shared)
+ 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
+ an entry for this symbol in the .dynsym section. The dynamic
+ object will contain position independent code, so all references
+ from the dynamic object to this symbol will go through the global
+ offset table. The dynamic linker will use the .dynsym entry to
+ determine the address it must put in the global offset table, so
+ both the dynamic object and the regular object will refer to the
+ same memory location for the variable. */
+
+ s = bfd_get_section_by_name (dynobj, ".dynbss");
+ BFD_ASSERT (s != NULL);
+
+ /* We must generate a R_88K_COPY reloc to tell the dynamic linker to
+ copy the initial value out of the dynamic object and into the
+ runtime process image. We need to remember the offset into the
+ .rela.bss section we are going to use. */
+ if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
+ {
+ asection *srel;
+
+ srel = bfd_get_section_by_name (dynobj, ".rela.bss");
+ BFD_ASSERT (srel != NULL);
+ srel->_raw_size += sizeof (Elf32_External_Rela);
+ h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY;
+ }
+
+ /* We need to figure out the alignment required for this symbol. I
+ have no idea how other ELF linkers handle this. */
+ power_of_two = bfd_log2 (h->size);
+ if (power_of_two > 3)
+ power_of_two = 3;
+
+ /* Apply the required alignment. */
+ s->_raw_size = BFD_ALIGN (s->_raw_size,
+ (bfd_size_type) (1 << power_of_two));
+ if (power_of_two > bfd_get_section_alignment (dynobj, s))
+ {
+ if (!bfd_set_section_alignment (dynobj, s, power_of_two))
+ return FALSE;
+ }
+
+ /* Define the symbol as being at this point in the section. */
+ h->root.u.def.section = s;
+ h->root.u.def.value = s->_raw_size;
+
+ /* Increment the section size to make room for the symbol. */
+ s->_raw_size += h->size;
+
+ return TRUE;
+}
+
+/* Set the sizes of the dynamic sections. */
+
+static bfd_boolean
+elf_m88k_size_dynamic_sections (output_bfd, info)
+ bfd *output_bfd ATTRIBUTE_UNUSED;
+ struct bfd_link_info *info;
+{
+ bfd *dynobj;
+ asection *s;
+ 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->executable)
+ {
+ s = bfd_get_section_by_name (dynobj, ".interp");
+ BFD_ASSERT (s != NULL);
+ s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER;
+ s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
+ }
+ }
+ else
+ {
+ /* We may have created entries in the .rela.got section.
+ However, if we are not creating the dynamic sections, we will
+ not actually use these entries. Reset the size of .rela.got,
+ which will cause it to get stripped from the output file
+ below. */
+ s = bfd_get_section_by_name (dynobj, ".rela.got");
+ if (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.
+ 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_m88k_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;
+ for (s = dynobj->sections; s != NULL; s = s->next)
+ {
+ const char *name;
+ bfd_boolean strip;
+
+ if ((s->flags & SEC_LINKER_CREATED) == 0)
+ continue;
+
+ /* It's OK to base decisions on the section name, because none
+ of the dynobj section names depend upon the input files. */
+ name = bfd_get_section_name (dynobj, s);
+
+ strip = FALSE;
+
+ if (strcmp (name, ".plt") == 0)
+ {
+ if (s->_raw_size == 0)
+ {
+ /* Strip this section if we don't need it; see the
+ comment below. */
+ strip = TRUE;
+ }
+ else
+ {
+ /* Remember whether there is a PLT. */
+ plt = TRUE;
+ }
+ }
+ else if (strncmp (name, ".rela", 5) == 0)
+ {
+ if (s->_raw_size == 0)
+ {
+ /* If we don't need this section, strip it from the
+ output file. This is mostly to handle .rela.bss and
+ .rela.plt. We must create both sections in
+ create_dynamic_sections, because they must be created
+ before the linker maps input sections to output
+ sections. The linker does that before
+ adjust_dynamic_symbol is called, and it is that
+ function which decides whether anything needs to go
+ into these sections. */
+ strip = TRUE;
+ }
+ else
+ {
+ relocs = TRUE;
+
+ /* We use the reloc_count field as a counter if we need
+ to copy relocs into the output file. */
+ s->reloc_count = 0;
+ }
+ }
+ else if (strncmp (name, ".got", 4) != 0)
+ {
+ /* It's not one of our sections, so don't allocate space. */
+ continue;
+ }
+
+ if (strip)
+ {
+ _bfd_strip_section_from_output (info, s);
+ continue;
+ }
+
+ /* Allocate memory for the section contents. */
+ /* FIXME: This should be a call to bfd_alloc not bfd_zalloc.
+ Unused entries should be reclaimed before the section's contents
+ are written out, but at the moment this does not happen. Thus in
+ order to prevent writing out garbage, we initialise the section's
+ contents to zero. */
+ s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size);
+ if (s->contents == NULL && s->_raw_size != 0)
+ return FALSE;
+ }
+
+ if (elf_hash_table (info)->dynamic_sections_created)
+ {
+ /* Add some entries to the .dynamic section. We fill in the
+ values later, in elf_m88k_finish_dynamic_sections, but we
+ 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 (!add_dynamic_entry (DT_DEBUG, 0))
+ return FALSE;
+ }
+
+ if (plt)
+ {
+ 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 (!add_dynamic_entry (DT_RELA, 0)
+ || !add_dynamic_entry (DT_RELASZ, 0)
+ || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
+ return FALSE;
+ }
+
+ if ((info->flags & DF_TEXTREL) != 0)
+ {
+ if (!add_dynamic_entry (DT_TEXTREL, 0))
+ return FALSE;
+ }
+ }
+#undef add_dynamic_entry
+
+ return TRUE;
+}
+
+/* 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_m88k_discard_copies (h, inf)
+ struct elf_link_hash_entry *h;
+ PTR inf;
+{
+ struct bfd_link_info *info = (struct bfd_link_info *) inf;
+ struct elf_m88k_pcrel_relocs_copied *s;
+
+ 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_m88k_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 = elf_m88k_hash_entry (h)->pcrel_relocs_copied;
+ s != NULL;
+ s = s->next)
+ s->section->_raw_size -= s->count * sizeof (Elf32_External_Rela);
+
return TRUE;
}
@@ -403,16 +1349,27 @@ elf_m88k_relocate_section (output_bfd, info, input_bfd, input_section,
Elf_Internal_Sym *local_syms;
asection **local_sections;
{
+ bfd *dynobj;
Elf_Internal_Shdr *symtab_hdr;
struct elf_link_hash_entry **sym_hashes;
+ bfd_vma *local_got_offsets;
+ asection *sgot;
+ asection *splt;
+ asection *sreloc;
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);
+ local_got_offsets = elf_local_got_offsets (input_bfd);
+
+ sgot = NULL;
+ splt = NULL;
+ sreloc = NULL;
rel = relocs;
relend = relocs + input_section->reloc_count;
@@ -425,21 +1382,23 @@ elf_m88k_relocate_section (output_bfd, info, input_bfd, input_section,
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);
- r_symndx = ELF32_R_SYM (rel->r_info);
-
- if (r_type == R_88K_GNU_VTINHERIT || r_type == R_88K_GNU_VTENTRY)
- continue;
+ if (r_type < 0 || r_type >= (int) R_88K_UNIMPLEMENTED)
+ {
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
+ howto = howto_table + r_type;
- if ((unsigned int) r_type >= R_88K_UNIMPLEMENTED)
- abort ();
+ r_symndx = ELF32_R_SYM (rel->r_info);
- howto = _bfd_m88k_elf_howto_table + r_type;
h = NULL;
sym = NULL;
sec = NULL;
+ unresolved_reloc = FALSE;
if (r_symndx < symtab_hdr->sh_info)
{
@@ -449,7 +1408,7 @@ elf_m88k_relocate_section (output_bfd, info, input_bfd, input_section,
}
else
{
- bfd_boolean unresolved_reloc, warned;
+ bfd_boolean warned;
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
r_symndx, symtab_hdr, sym_hashes,
@@ -457,6 +1416,316 @@ elf_m88k_relocate_section (output_bfd, info, input_bfd, input_section,
unresolved_reloc, warned);
}
+ switch (r_type)
+ {
+ case R_88K_GOT_16L:
+ case R_88K_GOT_16H:
+ /* Relocation is the offset of the entry for this symbol in
+ the global offset table. */
+ {
+ bfd_vma off;
+
+ if (sgot == NULL)
+ {
+ sgot = bfd_get_section_by_name (dynobj, ".got");
+ BFD_ASSERT (sgot != NULL);
+ }
+
+ if (h != NULL)
+ {
+ bfd_boolean dyn;
+
+ off = h->got.offset;
+ BFD_ASSERT (off != (bfd_vma) -1);
+
+ 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_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
+ locally, or the symbol was forced to be local
+ because of a version file.. We must initialize
+ this entry in the global offset table. Since
+ the offset must always be a multiple of 4, we
+ use the least significant bit to record whether
+ we have initialized it already.
+
+ When doing a dynamic link, we create a .rela.got
+ relocation entry to initialize the value. This
+ is done in the finish_dynamic_symbol routine. */
+ if ((off & 1) != 0)
+ off &= ~1;
+ else
+ {
+ bfd_put_32 (output_bfd, relocation,
+ sgot->contents + off);
+ h->got.offset |= 1;
+ }
+ }
+ else
+ unresolved_reloc = FALSE;
+ }
+ else
+ {
+ BFD_ASSERT (local_got_offsets != NULL
+ && local_got_offsets[r_symndx] != (bfd_vma) -1);
+
+ off = local_got_offsets[r_symndx];
+
+ /* The offset must always be a multiple of 4. We use
+ the least significant bit to record whether we have
+ already generated the necessary reloc. */
+ if ((off & 1) != 0)
+ off &= ~1;
+ else
+ {
+ bfd_put_32 (output_bfd, relocation, sgot->contents + off);
+
+ if (info->shared)
+ {
+ asection *s;
+ Elf_Internal_Rela outrel;
+ bfd_byte *loc;
+
+ 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_88K_BBASED_32);
+ outrel.r_addend = relocation;
+ 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 = sgot->output_offset + off;
+ if (r_type == R_88K_GOT_16L
+ || r_type == R_88K_GOT_16H)
+ {
+ /* This relocation does not use the addend. */
+ rel->r_addend = 0;
+ }
+ else
+ relocation += sgot->output_section->vma;
+ }
+ break;
+
+ case R_88K_ABDIFF_16L:
+ case R_88K_ABDIFF_16H:
+ /* Relocation is the offset from this symbol to the address of
+ the global offset table. */
+
+ if (sgot == NULL)
+ {
+ sgot = bfd_get_section_by_name (dynobj, ".got");
+ BFD_ASSERT (sgot != NULL);
+ }
+
+ relocation = sgot->output_section->vma
+ - (input_section->output_section->vma
+ + input_section->output_offset + rel->r_addend);
+ rel->r_addend = 0;
+ unresolved_reloc = FALSE;
+ break;
+
+ case R_88K_PLT_DISP26:
+ /* Relocation is to the entry for this symbol in the
+ procedure linkage table. */
+
+ /* Resolve a PLTxx reloc against a local symbol directly,
+ without using the procedure linkage table. */
+ if (h == NULL)
+ break;
+
+ if (h->plt.offset == (bfd_vma) -1
+ || !elf_hash_table (info)->dynamic_sections_created)
+ {
+ /* We didn't make a PLT entry for this symbol. This
+ happens when statically linking PIC code, or when
+ using -Bsymbolic. */
+ break;
+ }
+
+ if (splt == NULL)
+ {
+ splt = bfd_get_section_by_name (dynobj, ".plt");
+ BFD_ASSERT (splt != NULL);
+ }
+
+ relocation = (splt->output_section->vma
+ + splt->output_offset
+ + h->plt.offset);
+ unresolved_reloc = FALSE;
+ break;
+
+ case R_88K_PLT_32:
+ /* Relocation is the offset of the entry for this symbol in
+ the procedure linkage table. */
+ BFD_ASSERT (h != NULL && h->plt.offset != (bfd_vma) -1);
+
+ if (splt == NULL)
+ {
+ splt = bfd_get_section_by_name (dynobj, ".plt");
+ BFD_ASSERT (splt != NULL);
+ }
+
+ relocation = h->plt.offset;
+ unresolved_reloc = FALSE;
+
+ /* This relocation does not use the addend. */
+ rel->r_addend = 0;
+
+ break;
+
+ case R_88K_DISP16:
+ case R_88K_DISP26:
+ if (h == NULL
+ || (info->shared
+ && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0))
+ break;
+ /* Fall through. */
+ case R_88K_8:
+ case R_88K_16:
+ case R_88K_32:
+ case R_88K_16L:
+ case R_88K_16H:
+ 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_88K_DISP16
+ && r_type != R_88K_DISP26)
+ || (h != NULL
+ && h->dynindx != -1
+ && (!info->symbolic
+ || (h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) == 0))))
+ {
+ Elf_Internal_Rela outrel;
+ 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. */
+
+ 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);
+ else if (h != NULL
+ && h->dynindx != -1
+ && (r_type == R_88K_DISP16
+ || r_type == R_88K_DISP26
+ || !info->shared
+ || !info->symbolic
+ || (h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) == 0))
+ {
+ outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
+ outrel.r_addend = rel->r_addend;
+ }
+ else
+ {
+ /* This symbol is local, or marked to become local. */
+ if (r_type == R_88K_32)
+ {
+ relocate = TRUE;
+ outrel.r_info = ELF32_R_INFO (0, R_88K_BBASED_32);
+ outrel.r_addend = relocation + rel->r_addend;
+ }
+ else
+ {
+ long indx;
+
+ if (bfd_is_abs_section (sec))
+ indx = 0;
+ else if (sec == NULL || sec->owner == NULL)
+ {
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
+ else
+ {
+ asection *osec;
+
+ osec = sec->output_section;
+ indx = elf_section_data (osec)->dynindx;
+ BFD_ASSERT (indx > 0);
+ }
+
+ outrel.r_info = ELF32_R_INFO (indx, r_type);
+ outrel.r_addend = relocation + rel->r_addend;
+ }
+ }
+
+ 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_88K_32
+ relocations that have been turned into
+ R_88K_BBASED_32. */
+ if (!relocate)
+ continue;
+ }
+
+ break;
+
+ case R_88K_GNU_VTINHERIT:
+ case R_88K_GNU_VTENTRY:
+ /* These are no-ops in the end. */
+ continue;
+
+ default:
+ 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);
@@ -500,31 +1769,356 @@ elf_m88k_relocate_section (output_bfd, info, input_bfd, input_section,
return TRUE;
}
-#define ELF_ARCH bfd_arch_m88k
-#define ELF_MACHINE_CODE EM_88K
-#define ELF_MAXPAGESIZE 0x1000
+/* Finish up dynamic symbol handling. We set the contents of various
+ dynamic sections here. */
-#define TARGET_BIG_SYM bfd_elf32_m88k_vec
-#define TARGET_BIG_NAME "elf32-m88k"
+static bfd_boolean
+elf_m88k_finish_dynamic_symbol (output_bfd, info, h, sym)
+ bfd *output_bfd;
+ struct bfd_link_info *info;
+ struct elf_link_hash_entry *h;
+ Elf_Internal_Sym *sym;
+{
+ bfd *dynobj;
-#define elf_info_to_howto elf_m88k_info_to_howto
+ dynobj = elf_hash_table (info)->dynobj;
-#define bfd_elf32_bfd_reloc_type_lookup elf_m88k_reloc_type_lookup
+ if (h->plt.offset != (bfd_vma) -1)
+ {
+ asection *splt;
+ asection *sgot;
+ asection *srela;
+ bfd_vma plt_index;
+ bfd_vma got_offset;
+ bfd_vma dyn_offset;
+ Elf_Internal_Rela rela;
+ unsigned int br;
+
+ /* This symbol has an entry in the procedure linkage table. Set
+ it up. */
+
+ BFD_ASSERT (h->dynindx != -1);
+
+ splt = bfd_get_section_by_name (dynobj, ".plt");
+ sgot = bfd_get_section_by_name (dynobj, ".got.plt");
+ srela = bfd_get_section_by_name (dynobj, ".rela.plt");
+ BFD_ASSERT (splt != NULL && sgot != NULL && srela != NULL);
+
+ /* Get the index in the procedure linkage table which
+ corresponds to this symbol. This is the index of this symbol
+ in all the symbols for which we are making plt entries. The
+ first entry in the procedure linkage table, spanning three
+ regular entries, is reserved. */
+ plt_index = (h->plt.offset - PLT_ENTRY0_SIZE) / PLT_ENTRY_SIZE;
+
+ /* Get the offset into the .got table of the entry that
+ corresponds to this function. Each .got entry is 4 bytes.
+ The first three are reserved. */
+ got_offset = (plt_index + 3) * 4;
+
+ /* Fill in the entry in the procedure linkage table. */
+ memcpy (splt->contents + h->plt.offset, elf_m88k_plt_entry,
+ PLT_ENTRY_SIZE);
+
+ dyn_offset = sgot->output_section->vma + sgot->output_offset + got_offset;
+ bfd_put_16 (output_bfd, dyn_offset >> 16,
+ splt->contents + h->plt.offset + 2);
+ bfd_put_16 (output_bfd, dyn_offset & 0xffff,
+ splt->contents + h->plt.offset + 6);
+
+ dyn_offset = plt_index * sizeof (Elf32_External_Rela);
+ bfd_put_16 (output_bfd, dyn_offset >> 16,
+ splt->contents + h->plt.offset + 14);
+ bfd_put_16 (output_bfd, dyn_offset & 0xffff,
+ splt->contents + h->plt.offset + 18);
+
+ br = bfd_get_32 (output_bfd, splt->contents + h->plt.offset + 20);
+ br &= ~0x03ffffff;
+ br |= 0x04000000 - ((h->plt.offset + 20) >> 2);
+ bfd_put_32 (output_bfd, br,
+ splt->contents + h->plt.offset + 20);
+
+ /* Fill in the entry in the global offset table. */
+ bfd_put_32 (output_bfd,
+ (splt->output_section->vma
+ + splt->output_offset
+ + h->plt.offset
+ + 12),
+ sgot->contents + got_offset);
+
+ /* Fill in the entry in the .rela.plt section. */
+ rela.r_offset = (sgot->output_section->vma
+ + sgot->output_offset
+ + got_offset);
+ rela.r_info = ELF32_R_INFO (h->dynindx, R_88K_GOTP_ENT);
+ rela.r_addend = splt->output_section->vma + h->plt.offset;
+ bfd_elf32_swap_reloca_out (output_bfd, &rela,
+ srela->contents
+ + plt_index * sizeof (Elf32_External_Rela));
+
+ if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ {
+ /* Mark the symbol as undefined, rather than as defined in
+ the .plt section. Leave the value alone. */
+ sym->st_shndx = SHN_UNDEF;
+ }
+ }
+
+ if (h->got.offset != (bfd_vma) -1)
+ {
+ asection *sgot;
+ asection *srela;
+ Elf_Internal_Rela rela;
+ bfd_byte *loc;
+
+ /* This symbol has an entry in the global offset table. Set it
+ up. */
+
+ sgot = bfd_get_section_by_name (dynobj, ".got");
+ srela = bfd_get_section_by_name (dynobj, ".rela.got");
+ BFD_ASSERT (sgot != NULL && srela != NULL);
+
+ rela.r_offset = (sgot->output_section->vma
+ + sgot->output_offset
+ + (h->got.offset &~ (bfd_vma) 1));
+
+ /* If this is a -Bsymbolic link, and the symbol is defined
+ locally, we just want to emit a BBASED reloc. Likewise if
+ the symbol was forced to be local because of a version file.
+ 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
+ || (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_88K_BBASED_32);
+ rela.r_addend = bfd_get_signed_32 (output_bfd,
+ (sgot->contents
+ + (h->got.offset &~ (bfd_vma) 1)));
+ }
+ else
+ {
+ bfd_put_32 (output_bfd, (bfd_vma) 0,
+ sgot->contents + (h->got.offset &~ (bfd_vma) 1));
+ rela.r_info = ELF32_R_INFO (h->dynindx, R_88K_32);
+ rela.r_addend = 0;
+ }
+
+ 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. */
+
+ BFD_ASSERT (h->dynindx != -1
+ && (h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak));
+
+ s = bfd_get_section_by_name (h->root.u.def.section->owner,
+ ".rela.bss");
+ BFD_ASSERT (s != NULL);
+
+ rela.r_offset = (h->root.u.def.value
+ + h->root.u.def.section->output_section->vma
+ + h->root.u.def.section->output_offset);
+ rela.r_info = ELF32_R_INFO (h->dynindx, R_88K_COPY);
+ rela.r_addend = 0;
+ 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. */
+ if (strcmp (h->root.root.string, "_DYNAMIC") == 0
+ || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
+ sym->st_shndx = SHN_ABS;
+
+ return TRUE;
+}
+
+/* Finish up the dynamic sections. */
+
+static bfd_boolean
+elf_m88k_finish_dynamic_sections (output_bfd, info)
+ bfd *output_bfd;
+ struct bfd_link_info *info;
+{
+ bfd *dynobj;
+ asection *sgot;
+ asection *sdyn;
+
+ dynobj = elf_hash_table (info)->dynobj;
+
+ sgot = bfd_get_section_by_name (dynobj, ".got.plt");
+ BFD_ASSERT (sgot != NULL);
+ sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
+
+ if (elf_hash_table (info)->dynamic_sections_created)
+ {
+ asection *splt;
+ Elf32_External_Dyn *dyncon, *dynconend;
+
+ splt = bfd_get_section_by_name (dynobj, ".plt");
+ BFD_ASSERT (splt != NULL && sdyn != NULL);
+
+ dyncon = (Elf32_External_Dyn *) sdyn->contents;
+ dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->_raw_size);
+ for (; dyncon < dynconend; dyncon++)
+ {
+ Elf_Internal_Dyn dyn;
+ const char *name;
+ asection *s;
+
+ bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
+
+ switch (dyn.d_tag)
+ {
+ default:
+ break;
+
+ case DT_PLTGOT:
+ name = ".got";
+ goto get_vma;
+ case DT_JMPREL:
+ name = ".rela.plt";
+ get_vma:
+ s = bfd_get_section_by_name (output_bfd, name);
+ BFD_ASSERT (s != NULL);
+ dyn.d_un.d_ptr = s->vma;
+ bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
+ break;
+
+ case DT_PLTRELSZ:
+ s = bfd_get_section_by_name (output_bfd, ".rela.plt");
+ BFD_ASSERT (s != NULL);
+ if (s->_cooked_size != 0)
+ dyn.d_un.d_val = s->_cooked_size;
+ else
+ dyn.d_un.d_val = s->_raw_size;
+ bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
+ break;
+
+ case DT_RELASZ:
+ /* The procedure linkage table relocs (DT_JMPREL) should
+ not be included in the overall relocs (DT_RELA).
+ Therefore, we override the DT_RELASZ entry here to
+ make it not include the JMPREL relocs. Since the
+ linker script arranges for .rela.plt to follow all
+ other relocation sections, we don't have to worry
+ about changing the DT_RELA entry. */
+ s = bfd_get_section_by_name (output_bfd, ".rela.plt");
+ if (s != NULL)
+ {
+ if (s->_cooked_size != 0)
+ dyn.d_un.d_val -= s->_cooked_size;
+ else
+ dyn.d_un.d_val -= s->_raw_size;
+ }
+ bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
+ break;
+ }
+ }
+
+ /* Fill in the first entry in the procedure linkage table. */
+ if (splt->_raw_size > 0)
+ {
+ memcpy (splt->contents, elf_m88k_plt0_entry, PLT_ENTRY0_SIZE);
+ bfd_put_16 (output_bfd,
+ (sgot->output_section->vma
+ + sgot->output_offset
+ - (splt->output_section->vma + 16)) >> 16,
+ splt->contents + 18);
+ bfd_put_16 (output_bfd,
+ (sgot->output_section->vma
+ + sgot->output_offset
+ - (splt->output_section->vma + 16)) & 0xffff,
+ splt->contents + 22);
+ elf_section_data (splt->output_section)->this_hdr.sh_entsize
+ = PLT_ENTRY0_SIZE;
+ }
+ }
+
+ /* Fill in the first three entries in the global offset table. */
+ if (sgot->_raw_size > 0)
+ {
+ if (sdyn == NULL)
+ bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
+ else
+ bfd_put_32 (output_bfd,
+ sdyn->output_section->vma + sdyn->output_offset,
+ sgot->contents);
+ bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
+ bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
+ }
+
+ elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
+
+ return TRUE;
+}
+
+static enum elf_reloc_type_class
+elf32_m88k_reloc_type_class (rela)
+ const Elf_Internal_Rela *rela;
+{
+ switch ((int) ELF32_R_TYPE (rela->r_info))
+ {
+ case R_88K_BBASED_32:
+ case R_88K_BBASED_16H:
+ case R_88K_BBASED_16L:
+ return reloc_class_relative;
+ case R_88K_GOTP_ENT:
+ return reloc_class_plt;
+ case R_88K_COPY:
+ return reloc_class_copy;
+ default:
+ return reloc_class_normal;
+ }
+}
+
+#define TARGET_BIG_SYM bfd_elf32_m88k_vec
+#define TARGET_BIG_NAME "elf32-m88k"
+#define ELF_MACHINE_CODE EM_88K
+#define ELF_MAXPAGESIZE 0x1000
+#define elf_backend_create_dynamic_sections \
+ _bfd_elf_create_dynamic_sections
+#define bfd_elf32_bfd_link_hash_table_create \
+ elf_m88k_link_hash_table_create
#define bfd_elf32_bfd_final_link bfd_elf_gc_common_final_link
#define elf_backend_check_relocs elf_m88k_check_relocs
+#define elf_backend_adjust_dynamic_symbol \
+ elf_m88k_adjust_dynamic_symbol
+#define elf_backend_size_dynamic_sections \
+ elf_m88k_size_dynamic_sections
#define elf_backend_relocate_section elf_m88k_relocate_section
+#define elf_backend_finish_dynamic_symbol \
+ elf_m88k_finish_dynamic_symbol
+#define elf_backend_finish_dynamic_sections \
+ elf_m88k_finish_dynamic_sections
#define elf_backend_gc_mark_hook elf_m88k_gc_mark_hook
#define elf_backend_gc_sweep_hook elf_m88k_gc_sweep_hook
-
#define bfd_elf32_bfd_merge_private_bfd_data \
elf32_m88k_merge_private_bfd_data
#define bfd_elf32_bfd_set_private_flags \
elf32_m88k_set_private_flags
#define bfd_elf32_bfd_print_private_bfd_data \
elf32_m88k_print_private_bfd_data
+#define elf_backend_reloc_type_class elf32_m88k_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"