/* Motorola 68k series support for 32-bit ELF
- Copyright (C) 1993-2014 Free Software Foundation, Inc.
+ Copyright (C) 1993-2016 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
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_NONE, 0, 3, 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),
if (indx >= (unsigned int) R_68K_max)
{
- (*_bfd_error_handler) (_("%B: invalid relocation type %d"),
- abfd, (int) indx);
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%B: invalid relocation type %d"),
+ abfd, (int) indx);
indx = R_68K_NONE;
}
cache_ptr->howto = &howto_table[indx];
0, 0, 0, 0 /* + .plt - . */
};
-static const struct elf_m68k_plt_info elf_m68k_plt_info = {
+static const struct elf_m68k_plt_info elf_m68k_plt_info =
+{
PLT_ENTRY_SIZE,
elf_m68k_plt0_entry, { 4, 12 },
elf_m68k_plt_entry, { 4, 16 }, 8
0, 0, 0, 0 /* + .plt - . */
};
-static const struct elf_m68k_plt_info elf_isab_plt_info = {
+static const struct elf_m68k_plt_info elf_isab_plt_info =
+{
ISAB_PLT_ENTRY_SIZE,
elf_isab_plt0_entry, { 2, 12 },
elf_isab_plt_entry, { 2, 20 }, 12
0, 0, 0, 0 /* replaced with .plt - . */
};
-static const struct elf_m68k_plt_info elf_isac_plt_info = {
+static const struct elf_m68k_plt_info elf_isac_plt_info =
+{
ISAC_PLT_ENTRY_SIZE,
elf_isac_plt0_entry, { 2, 12},
elf_isac_plt_entry, { 2, 20 }, 12
0, 0
};
-static const struct elf_m68k_plt_info elf_cpu32_plt_info = {
+static const struct elf_m68k_plt_info elf_cpu32_plt_info =
+{
CPU32_PLT_ENTRY_SIZE,
elf_cpu32_plt0_entry, { 4, 12 },
elf_cpu32_plt_entry, { 4, 18 }, 10
/* Destroy an m68k ELF linker hash table. */
static void
-elf_m68k_link_hash_table_free (struct bfd_link_hash_table *_htab)
+elf_m68k_link_hash_table_free (bfd *obfd)
{
struct elf_m68k_link_hash_table *htab;
- htab = (struct elf_m68k_link_hash_table *) _htab;
+ htab = (struct elf_m68k_link_hash_table *) obfd->link.hash;
if (htab->multi_got_.bfd2got != NULL)
{
htab_delete (htab->multi_got_.bfd2got);
htab->multi_got_.bfd2got = NULL;
}
- _bfd_elf_link_hash_table_free (_htab);
+ _bfd_elf_link_hash_table_free (obfd);
}
/* Create an m68k ELF linker hash table. */
free (ret);
return NULL;
}
- (void) elf_m68k_link_hash_table_free;
+ ret->root.root.hash_table_free = elf_m68k_link_hash_table_free;
ret->multi_got_.global_symndx = 1;
/* Merge backend specific data from an object file to the output
object file when linking. */
static bfd_boolean
-elf32_m68k_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
+elf32_m68k_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
{
+ bfd *obfd = info->output_bfd;
flagword out_flags;
flagword in_flags;
flagword out_isa;
/* This BFD has too many relocation. */
{
if (got->n_slots[R_8] > ELF_M68K_R_8_MAX_N_SLOTS_IN_GOT (info))
- (*_bfd_error_handler) (_("%B: GOT overflow: "
- "Number of relocations with 8-bit "
- "offset > %d"),
- abfd,
- ELF_M68K_R_8_MAX_N_SLOTS_IN_GOT (info));
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%B: GOT overflow: "
+ "Number of relocations with 8-bit "
+ "offset > %d"),
+ abfd,
+ ELF_M68K_R_8_MAX_N_SLOTS_IN_GOT (info));
else
- (*_bfd_error_handler) (_("%B: GOT overflow: "
- "Number of relocations with 8- or 16-bit "
- "offset > %d"),
- abfd,
- ELF_M68K_R_8_16_MAX_N_SLOTS_IN_GOT (info));
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%B: GOT overflow: "
+ "Number of relocations with 8- or 16-bit "
+ "offset > %d"),
+ abfd,
+ ELF_M68K_R_8_16_MAX_N_SLOTS_IN_GOT (info));
return NULL;
}
arg->n_slots += arg->current_got->n_slots[R_32];
- if (!arg->info->shared)
+ if (!bfd_link_pic (arg->info))
/* If we are generating a shared object, we need to
output a R_68K_RELATIVE reloc so that the dynamic
linker can adjust this GOT entry. Overwise we
asection *sreloc;
struct elf_m68k_got *got;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
dynobj = elf_hash_table (info)->dynobj;
case R_68K_TLS_DTPREL32:
if (ELF32_R_TYPE (rel->r_info) == R_68K_TLS_TPREL32
- && info->shared)
+ && bfd_link_pic (info))
/* Do the special chorus for libraries with static TLS. */
info->flags |= DF_STATIC_TLS;
}
if (srelgot == NULL
- && (h != NULL || info->shared))
+ && (h != NULL || bfd_link_pic (info)))
{
srelgot = bfd_get_linker_section (dynobj, ".rela.got");
if (srelgot == NULL)
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
+ if (!(bfd_link_pic (info)
&& (sec->flags & SEC_ALLOC) != 0
&& h != NULL
- && (!info->symbolic
+ && (!SYMBOLIC_BIND (info, h)
|| h->root.type == bfd_link_hash_defweak
|| !h->def_regular)))
{
turns out to be a function defined by a dynamic object. */
h->plt.refcount++;
- if (info->executable)
+ if (bfd_link_executable (info))
/* This symbol needs a non-GOT reference. */
h->non_got_ref = 1;
}
/* If we are creating a shared library, we need to copy the
reloc into the shared library. */
- if (info->shared)
+ if (bfd_link_pic (info))
{
/* When creating a shared object, we must copy these
reloc types into the output file. We create a reloc
bfd *dynobj;
struct elf_m68k_got *got;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
dynobj = elf_hash_table (info)->dynobj;
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
+ if (!bfd_link_pic (info)
&& !h->def_regular)
{
h->root.u.def.section = s;
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)
+ if (bfd_link_pic (info))
return TRUE;
/* If there are no references to this symbol that do not use the
h->needs_copy = 1;
}
- return _bfd_elf_adjust_dynamic_copy (h, s);
+ return _bfd_elf_adjust_dynamic_copy (info, h, s);
}
/* Set the sizes of the dynamic sections. */
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
- if (info->executable)
+ if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);
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)
+ if (bfd_link_pic (info))
elf_link_hash_traverse (elf_hash_table (info),
elf_m68k_discard_copies,
info);
#define add_dynamic_entry(TAG, VAL) \
_bfd_elf_add_dynamic_entry (info, TAG, VAL)
- if (info->executable)
+ if (bfd_link_executable (info))
{
if (!add_dynamic_entry (DT_DEBUG, 0))
return FALSE;
RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
rel, 1, relend, howto, 0, contents);
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
continue;
switch (r_type)
bfd_boolean dyn;
dyn = elf_hash_table (info)->dynamic_sections_created;
- if (!WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
- || (info->shared
+ if (!WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
+ bfd_link_pic (info),
+ h)
+ || (bfd_link_pic (info)
&& SYMBOL_REFERENCES_LOCAL (info, h))
|| (ELF_ST_VISIBILITY (h->other)
&& h->root.type == bfd_link_hash_undefweak))
else
unresolved_reloc = FALSE;
}
- else if (info->shared) /* && h == NULL */
+ else if (bfd_link_pic (info)) /* && h == NULL */
/* Process local symbol during dynamic link. */
{
if (srela == NULL)
*off_ptr |= 1;
}
- else /* h == NULL && !info->shared */
+ else /* h == NULL && !bfd_link_pic (info) */
{
elf_m68k_init_got_entry_static (info,
output_bfd,
case R_68K_TLS_LE32:
case R_68K_TLS_LE16:
case R_68K_TLS_LE8:
- if (info->shared && !info->pie)
+ if (bfd_link_dll (info))
{
- (*_bfd_error_handler)
+ _bfd_error_handler
+ /* xgettext:c-format */
(_("%B(%A+0x%lx): R_68K_TLS_LE32 relocation not permitted "
"in shared object"),
input_bfd, input_section, (long) rel->r_offset, howto->name);
case R_68K_PC8:
case R_68K_PC16:
case R_68K_PC32:
- if (info->shared
+ if (bfd_link_pic (info)
&& r_symndx != STN_UNDEF
&& (input_section->flags & SEC_ALLOC) != 0
&& (h == NULL
&& (r_type == R_68K_PC8
|| r_type == R_68K_PC16
|| r_type == R_68K_PC32
- || !info->shared
- || !info->symbolic
+ || !bfd_link_pic (info)
+ || !SYMBOLIC_BIND (info, h)
|| !h->def_regular))
{
outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
&& _bfd_elf_section_offset (output_bfd, info, input_section,
rel->r_offset) != (bfd_vma) -1)
{
- (*_bfd_error_handler)
+ _bfd_error_handler
+ /* xgettext:c-format */
(_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
input_bfd,
input_section,
name = bfd_section_name (input_bfd, sec);
}
- (*_bfd_error_handler)
+ _bfd_error_handler
((sym_type == STT_TLS
+ /* xgettext:c-format */
? _("%B(%A+0x%lx): %s used with TLS symbol %s")
+ /* xgettext:c-format */
: _("%B(%A+0x%lx): %s used with non-TLS symbol %s")),
input_bfd,
input_section,
}
if (r == bfd_reloc_overflow)
- {
- if (!(info->callbacks->reloc_overflow
- (info, (h ? &h->root : NULL), name, howto->name,
- (bfd_vma) 0, input_bfd, input_section,
- rel->r_offset)))
- return FALSE;
- }
+ (*info->callbacks->reloc_overflow)
+ (info, (h ? &h->root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
else
{
- (*_bfd_error_handler)
+ _bfd_error_handler
+ /* xgettext:c-format */
(_("%B(%A+0x%lx): reloc against `%s': error %d"),
input_bfd, input_section,
(long) rel->r_offset, name, (int) r);
the symbol was forced to be local because of a version file.
The entry in the global offset table already have been
initialized in the relocate_section function. */
- if (info->shared
+ if (bfd_link_pic (info)
&& SYMBOL_REFERENCES_LOCAL (info, h))
{
bfd_vma relocation;
break;
case DT_PLTGOT:
- name = ".got";
+ name = ".got.plt";
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;
+ s = bfd_get_linker_section (dynobj, name);
+ dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
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);
+ s = bfd_get_linker_section (dynobj, ".rela.plt");
dyn.d_un.d_val = s->size;
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
break;
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");
+ s = bfd_get_linker_section (dynobj, ".rela.plt");
if (s != NULL)
dyn.d_un.d_val -= s->size;
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
objects, and before the final_link entry point is called. */
bfd_boolean
-bfd_m68k_elf32_create_embedded_relocs (abfd, info, datasec, relsec, errmsg)
- bfd *abfd;
- struct bfd_link_info *info;
- asection *datasec;
- asection *relsec;
- char **errmsg;
+bfd_m68k_elf32_create_embedded_relocs (bfd *abfd, struct bfd_link_info *info,
+ asection *datasec, asection *relsec,
+ char **errmsg)
{
Elf_Internal_Shdr *symtab_hdr;
Elf_Internal_Sym *isymbuf = NULL;
bfd_byte *p;
bfd_size_type amt;
- BFD_ASSERT (! info->relocatable);
+ BFD_ASSERT (! bfd_link_relocatable (info));
*errmsg = NULL;
asection **secp ATTRIBUTE_UNUSED,
bfd_vma *valp ATTRIBUTE_UNUSED)
{
- if ((abfd->flags & DYNAMIC) == 0
- && (ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC
- || ELF_ST_BIND (sym->st_info) == STB_GNU_UNIQUE))
- elf_tdata (info->output_bfd)->has_gnu_symbols = TRUE;
+ if (ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC
+ && (abfd->flags & DYNAMIC) == 0
+ && bfd_get_flavour (info->output_bfd) == bfd_target_elf_flavour)
+ elf_tdata (info->output_bfd)->has_gnu_symbols |= elf_gnu_symbol_ifunc;
return TRUE;
}