/* Lattice Mico32-specific support for 32-bit ELF
- Copyright 2008 Free Software Foundation, Inc.
+ Copyright (C) 2008-2017 Free Software Foundation, Inc.
Contributed by Jon Beniston <jon@beniston.com>
This file is part of BFD, the Binary File Descriptor library.
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/lm32.h"
#define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
-extern const bfd_target bfd_elf32_lm32fdpic_vec;
+extern const bfd_target lm32_elf32_fdpic_vec;
-#define IS_FDPIC(bfd) ((bfd)->xvec == &bfd_elf32_lm32fdpic_vec)
+#define IS_FDPIC(bfd) ((bfd)->xvec == &lm32_elf32_fdpic_vec)
static bfd_reloc_status_type lm32_elf_gprel_reloc
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
struct elf_link_hash_table root;
/* Short-cuts to get to dynamic linker sections. */
- asection *sgot;
- asection *sgotplt;
- asection *srelgot;
asection *sfixup32;
- asection *splt;
- asection *srelplt;
asection *sdynbss;
asection *srelbss;
/* Get the lm32 ELF linker hash table from a link_info structure. */
#define lm32_elf_hash_table(p) \
- ((struct elf_lm32_link_hash_table *) ((p)->hash))
+ (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
+ == LM32_ELF_DATA ? ((struct elf_lm32_link_hash_table *) ((p)->hash)) : NULL)
#define lm32fdpic_got_section(info) \
- (lm32_elf_hash_table (info)->sgot)
+ (lm32_elf_hash_table (info)->root.sgot)
#define lm32fdpic_gotrel_section(info) \
- (lm32_elf_hash_table (info)->srelgot)
+ (lm32_elf_hash_table (info)->root.srelgot)
#define lm32fdpic_fixup32_section(info) \
(lm32_elf_hash_table (info)->sfixup32)
struct elf_lm32_link_hash_table *ret;
bfd_size_type amt = sizeof (struct elf_lm32_link_hash_table);
- ret = bfd_malloc (amt);
+ ret = bfd_zmalloc (amt);
if (ret == NULL)
return NULL;
if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
lm32_elf_link_hash_newfunc,
- sizeof (struct elf_lm32_link_hash_entry)))
+ sizeof (struct elf_lm32_link_hash_entry),
+ LM32_ELF_DATA))
{
free (ret);
return NULL;
}
- ret->sgot = NULL;
- ret->sgotplt = NULL;
- ret->srelgot = NULL;
- ret->sfixup32 = NULL;
- ret->splt = NULL;
- ret->srelplt = NULL;
- ret->sdynbss = NULL;
- ret->srelbss = NULL;
- ret->relocs32 = 0;
-
return &ret->root.root;
}
return fixup_offset;
}
-/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
- shortcuts to them in our hash table. */
-
-static bfd_boolean
-create_got_section (bfd *dynobj, struct bfd_link_info *info)
-{
- struct elf_lm32_link_hash_table *htab;
- asection *s;
-
- /* This function may be called more than once. */
- s = bfd_get_section_by_name (dynobj, ".got");
- if (s != NULL && (s->flags & SEC_LINKER_CREATED) != 0)
- return TRUE;
-
- if (! _bfd_elf_create_got_section (dynobj, info))
- return FALSE;
-
- htab = lm32_elf_hash_table (info);
- htab->sgot = bfd_get_section_by_name (dynobj, ".got");
- htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
- htab->srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
- if (! htab->sgot || ! htab->sgotplt || ! htab->srelgot)
- abort ();
-
- return TRUE;
-}
-
/* Create .rofixup sections in DYNOBJ, and set up
shortcuts to them in our hash table. */
struct elf_lm32_link_hash_table *htab;
htab = lm32_elf_hash_table (info);
- /* Fixup section for R_LM32_32 relocs */
- lm32fdpic_fixup32_section (info) = bfd_make_section_with_flags (dynobj,
- ".rofixup",
- (SEC_ALLOC
- | SEC_LOAD
- | SEC_HAS_CONTENTS
- | SEC_IN_MEMORY
- | SEC_LINKER_CREATED
- | SEC_READONLY));
+ if (htab == NULL)
+ return FALSE;
+
+ /* Fixup section for R_LM32_32 relocs. */
+ lm32fdpic_fixup32_section (info)
+ = bfd_make_section_anyway_with_flags (dynobj,
+ ".rofixup",
+ (SEC_ALLOC
+ | SEC_LOAD
+ | SEC_HAS_CONTENTS
+ | SEC_IN_MEMORY
+ | SEC_LINKER_CREATED
+ | SEC_READONLY));
if (lm32fdpic_fixup32_section (info) == NULL
- || ! bfd_set_section_alignment (dynobj, lm32fdpic_fixup32_section (info), 2))
+ || ! bfd_set_section_alignment (dynobj,
+ lm32fdpic_fixup32_section (info), 2))
return FALSE;
return TRUE;
/* This reloc does nothing. */
HOWTO (R_LM32_NONE, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
+ 3, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
FALSE, /* pc_relative */
0, /* bitpos */
- complain_overflow_bitfield,/* complain_on_overflow */
+ complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_LM32_NONE", /* name */
FALSE, /* partial_inplace */
unsigned int r_type;
r_type = ELF32_R_TYPE (dst->r_info);
- BFD_ASSERT (r_type < (unsigned int) R_LM32_max);
+ if (r_type >= (unsigned int) R_LM32_max)
+ {
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%B: invalid LM32 reloc number: %d"), abfd, r_type);
+ r_type = 0;
+ }
cache_ptr->howto = &lm32_elf_howto_table[r_type];
}
Elf_Internal_Phdr *p;
/* Find the segment that contains the output_section. */
- for (m = elf_tdata (output_bfd)->segment_map,
- p = elf_tdata (output_bfd)->phdr;
+ for (m = elf_seg_map (output_bfd), p = elf_tdata (output_bfd)->phdr;
m != NULL;
m = m->next, p++)
{
Elf_Internal_Shdr *symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
Elf_Internal_Rela *rel, *relend;
-
struct elf_lm32_link_hash_table *htab = lm32_elf_hash_table (info);
- bfd *dynobj;
bfd_vma *local_got_offsets;
- asection *sgot, *splt, *sreloc;
+ asection *sgot;
+
+ if (htab == NULL)
+ return FALSE;
- dynobj = htab->root.dynobj;
local_got_offsets = elf_local_got_offsets (input_bfd);
- sgot = htab->sgot;
- splt = htab->splt;
- sreloc = NULL;
+ sgot = htab->root.sgot;
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (input_bfd);
bfd_vma gp;
bfd_reloc_status_type r;
const char *name = NULL;
- asection *osec;
r_symndx = ELF32_R_SYM (rel->r_info);
r_type = ELF32_R_TYPE (rel->r_info);
{
/* It's a local symbol. */
sym = local_syms + r_symndx;
- osec = sec = local_sections[r_symndx];
+ sec = local_sections[r_symndx];
relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
name = bfd_elf_string_from_elf_section
(input_bfd, symtab_hdr->sh_link, sym->st_name);
{
/* It's a global symbol. */
bfd_boolean unresolved_reloc;
- bfd_boolean warned;
+ bfd_boolean warned, ignored;
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
r_symndx, symtab_hdr, sym_hashes,
h, sec, relocation,
- unresolved_reloc, warned);
- osec = sec;
+ unresolved_reloc, warned, ignored);
name = h->root.root.string;
}
- if (sec != NULL && elf_discarded_section (sec))
- {
- /* For relocs against symbols from removed linkonce sections,
- or sections discarded by a linker script, we just want the
- section contents zeroed. Avoid any special processing. */
- _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
- rel->r_info = 0;
- rel->r_addend = 0;
- continue;
- }
+ if (sec != NULL && discarded_section (sec))
+ RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+ rel, 1, relend, howto, 0, contents);
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
{
/* This is a relocatable link. We don't have to change
anything, unless the reloc is against a section symbol,
BFD_ASSERT (off != (bfd_vma) -1);
dyn = htab->root.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)
&& (info->symbolic
|| h->dynindx == -1
|| h->forced_local)
+ off);
}
- if (info->shared)
+ if (bfd_link_pic (info))
{
asection *srelgot;
Elf_Internal_Rela outrel;
/* We need to generate a R_LM32_RELATIVE reloc
for the dynamic linker. */
- srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
+ srelgot = htab->root.srelgot;
BFD_ASSERT (srelgot != NULL);
outrel.r_offset = (sgot->output_section->vma
/* Addend should be zero. */
if (rel->r_addend != 0)
- (*_bfd_error_handler) (_("internal error: addend should be zero for R_LM32_16_GOT"));
+ _bfd_error_handler (_("internal error: addend should be zero for R_LM32_16_GOT"));
r = _bfd_final_link_relocate (howto,
input_bfd,
if (r != bfd_reloc_ok)
{
- const char *name;
const char *msg = NULL;
arelent bfd_reloc;
- reloc_howto_type *howto;
lm32_info_to_howto_rela (input_bfd, &bfd_reloc, rel);
howto = bfd_reloc.howto;
if ((h != NULL)
&& (h->root.type == bfd_link_hash_undefweak))
break;
- 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);
break;
case bfd_reloc_undefined:
- if (! ((*info->callbacks->undefined_symbol)
- (info, name, input_bfd, input_section,
- rel->r_offset, TRUE)))
- return FALSE;
+ (*info->callbacks->undefined_symbol)
+ (info, name, input_bfd, input_section, rel->r_offset, TRUE);
break;
case bfd_reloc_outofrange:
/* fall through */
common_error:
- if (!((*info->callbacks->warning)
- (info, msg, name, input_bfd, input_section,
- rel->r_offset)))
- return FALSE;
+ (*info->callbacks->warning) (info, msg, name, input_bfd,
+ input_section, rel->r_offset);
break;
}
}
const Elf_Internal_Rela *rel_end;
struct elf_lm32_link_hash_table *htab;
bfd *dynobj;
- bfd_vma *local_got_offsets;
- asection *sgot, *srelgot, *sreloc;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
- sgot = srelgot = sreloc = NULL;
-
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);
sym_hashes_end -= symtab_hdr->sh_info;
htab = lm32_elf_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
dynobj = htab->root.dynobj;
- local_got_offsets = elf_local_got_offsets (abfd);
rel_end = relocs + sec->reloc_count;
for (rel = relocs; rel < rel_end; rel++)
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;
+
+ /* PR15323, ref flags aren't set for references in the same
+ object. */
+ h->root.non_ir_ref_regular = 1;
}
/* Some relocs require a global offset table. */
- if (htab->sgot == NULL)
+ if (htab->root.sgot == NULL)
{
switch (r_type)
{
case R_LM32_GOTOFF_LO16:
if (dynobj == NULL)
htab->root.dynobj = dynobj = abfd;
- if (! create_got_section (dynobj, info))
+ if (!_bfd_elf_create_got_section (dynobj, info))
return FALSE;
break;
}
(Normal ELF doesn't). */
if (dynobj == NULL)
htab->root.dynobj = dynobj = abfd;
- if (! create_got_section (dynobj, info))
+ if (!_bfd_elf_create_got_section (dynobj, info))
return FALSE;
/* Create .rofixup section */
if (htab->sfixup32 == NULL)
{
- if (! create_rofixup_section (abfd, info))
+ if (! create_rofixup_section (dynobj, info))
return FALSE;
}
break;
/* Create .rofixup section. */
if (htab->sfixup32 == NULL)
{
- if (! create_rofixup_section (abfd, info))
+ if (dynobj == NULL)
+ htab->root.dynobj = dynobj = abfd;
+ if (! create_rofixup_section (dynobj, info))
return FALSE;
}
break;
asection *sgot;
htab = lm32_elf_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
dynobj = htab->root.dynobj;
- sgot = htab->sgotplt;
- sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
+ sgot = htab->root.sgotplt;
+ sdyn = bfd_get_linker_section (dynobj, ".dynamic");
if (htab->root.dynamic_sections_created)
{
for (; dyncon < dynconend; dyncon++)
{
Elf_Internal_Dyn dyn;
- const char *name;
asection *s;
bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
break;
case DT_PLTGOT:
- name = ".got";
- s = htab->sgot->output_section;
+ s = htab->root.sgotplt;
goto get_vma;
case DT_JMPREL:
- name = ".rela.plt";
- s = htab->srelplt->output_section;
+ s = htab->root.srelplt;
get_vma:
- BFD_ASSERT (s != NULL);
- dyn.d_un.d_ptr = s->vma;
+ 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 = htab->srelplt->output_section;
- BFD_ASSERT (s != NULL);
+ s = htab->root.srelplt;
dyn.d_un.d_val = s->size;
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
break;
-
- case DT_RELASZ:
- /* My reading of the SVR4 ABI indicates that the
- procedure linkage table relocs (DT_JMPREL) should be
- included in the overall relocs (DT_RELA). This is
- what Solaris does. However, UnixWare can not handle
- that case. 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. */
- if (htab->srelplt != NULL)
- {
- s = htab->srelplt->output_section;
- dyn.d_un.d_val -= s->size;
- }
- bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
- break;
}
}
/* Fill in the first entry in the procedure linkage table. */
- splt = htab->splt;
+ splt = htab->root.splt;
if (splt && splt->size > 0)
{
- if (info->shared)
+ if (bfd_link_pic (info))
{
bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD0, splt->contents);
bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD1, splt->contents + 4);
if (lm32fdpic_fixup32_section (info)->size
!= (lm32fdpic_fixup32_section (info)->reloc_count * 4))
{
- (*_bfd_error_handler)
- ("LINKER BUG: .rofixup section size mismatch: size/4 %d != relocs %d",
+ _bfd_error_handler
+ ("LINKER BUG: .rofixup section size mismatch: size/4 %Ld != relocs %d",
lm32fdpic_fixup32_section (info)->size/4,
lm32fdpic_fixup32_section (info)->reloc_count);
return FALSE;
BFD_ASSERT (hend->u.def.value == value);
if (hend->u.def.value != value)
{
- (*_bfd_error_handler)
- ("LINKER BUG: .rofixup section hend->u.def.value != value: %ld != %ld", hend->u.def.value, value);
+ _bfd_error_handler
+ ("LINKER BUG: .rofixup section hend->u.def.value != value: %Ld != %Ld", hend->u.def.value, value);
return FALSE;
}
}
Elf_Internal_Sym *sym)
{
struct elf_lm32_link_hash_table *htab;
- bfd *dynobj;
bfd_byte *loc;
htab = lm32_elf_hash_table (info);
- dynobj = htab->root.dynobj;
+ if (htab == NULL)
+ return FALSE;
if (h->plt.offset != (bfd_vma) -1)
{
it up. */
BFD_ASSERT (h->dynindx != -1);
- splt = htab->splt;
- sgot = htab->sgotplt;
- srela = htab->srelplt;
+ splt = htab->root.splt;
+ sgot = htab->root.sgotplt;
+ srela = htab->root.srelplt;
BFD_ASSERT (splt != NULL && sgot != NULL && srela != NULL);
/* Get the index in the procedure linkage table which
got_offset = (plt_index + 3) * 4;
/* Fill in the entry in the procedure linkage table. */
- if (! info->shared)
+ if (! bfd_link_pic (info))
{
/* TODO */
}
/* This symbol has an entry in the global offset table. Set it
up. */
- sgot = htab->sgot;
- srela = htab->srelgot;
+ sgot = htab->root.sgot;
+ srela = htab->root.srelgot;
BFD_ASSERT (sgot != NULL && srela != NULL);
rela.r_offset = (sgot->output_section->vma
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
+ if (bfd_link_pic (info)
&& (info->symbolic
|| h->dynindx == -1
|| h->forced_local)
&& (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");
+ s = bfd_get_linker_section (htab->root.dynobj, ".rela.bss");
BFD_ASSERT (s != NULL);
rela.r_offset = (h->root.u.def.value
}
/* Mark some specially defined symbols as absolute. */
- if (strcmp (h->root.root.string, "_DYNAMIC") == 0
- || h == htab->root.hgot)
+ if (h == htab->root.hdynamic || h == htab->root.hgot)
sym->st_shndx = SHN_ABS;
return TRUE;
}
static enum elf_reloc_type_class
-lm32_elf_reloc_type_class (const Elf_Internal_Rela *rela)
+lm32_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ const asection *rel_sec ATTRIBUTE_UNUSED,
+ const Elf_Internal_Rela *rela)
{
switch ((int) ELF32_R_TYPE (rela->r_info))
{
if (h->type == STT_FUNC
|| h->needs_plt)
{
- if (! info->shared
+ if (! bfd_link_pic (info)
&& !h->def_dynamic
&& !h->ref_dynamic
&& h->root.type != bfd_link_hash_undefweak
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
return TRUE;
}
- if (h->size == 0)
- {
- (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
- h->root.root.string);
- 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
same memory location for the variable. */
htab = lm32_elf_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
s = htab->sdynbss;
BFD_ASSERT (s != NULL);
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)
+ if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
{
asection *srel;
h->needs_copy = 1;
}
- return _bfd_elf_adjust_dynamic_copy (h, s);
+ return _bfd_elf_adjust_dynamic_copy (info, h, s);
}
/* Allocate space in .plt, .got and associated reloc sections for
if (h->root.type == bfd_link_hash_indirect)
return TRUE;
- if (h->root.type == bfd_link_hash_warning)
- /* When warning symbols are created, they **replace** the "real"
- entry in the hash table, thus we never get to see the real
- symbol in a hash traversal. So look at it now. */
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
info = (struct bfd_link_info *) inf;
htab = lm32_elf_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
eh = (struct elf_lm32_link_hash_entry *) h;
return FALSE;
}
- if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h))
+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h))
{
- asection *s = htab->splt;
+ asection *s = htab->root.splt;
/* If this is the first .plt entry, make room for the special
first entry. */
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;
/* We also need to make an entry in the .got.plt section, which
will be placed in the .got section by the linker script. */
- htab->sgotplt->size += 4;
+ htab->root.sgotplt->size += 4;
/* We also need to make an entry in the .rel.plt section. */
- htab->srelplt->size += sizeof (Elf32_External_Rela);
+ htab->root.srelplt->size += sizeof (Elf32_External_Rela);
}
else
{
return FALSE;
}
- s = htab->sgot;
+ s = htab->root.sgot;
h->got.offset = s->size;
s->size += 4;
dyn = htab->root.dynamic_sections_created;
- if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
- htab->srelgot->size += sizeof (Elf32_External_Rela);
+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h))
+ htab->root.srelgot->size += sizeof (Elf32_External_Rela);
}
else
h->got.offset = (bfd_vma) -1;
space for pc-relative relocs that have become local due to symbol
visibility changes. */
- if (info->shared)
+ if (bfd_link_pic (info))
{
if (h->def_regular
&& (h->forced_local
struct elf_lm32_link_hash_entry *eh;
struct elf_lm32_dyn_relocs *p;
- if (h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
eh = (struct elf_lm32_link_hash_entry *) h;
for (p = eh->dyn_relocs; p != NULL; p = p->next)
{
bfd *ibfd;
htab = lm32_elf_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
dynobj = htab->root.dynobj;
BFD_ASSERT (dynobj != NULL);
if (htab->root.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_section_by_name (dynobj, ".interp");
+ s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);
s->size = sizeof ELF_DYNAMIC_INTERPRETER;
s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
/* Set up .got offsets for local syms, and space for local dynamic
relocs. */
- for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+ for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
{
bfd_signed_vma *local_got;
bfd_signed_vma *end_local_got;
symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
locsymcount = symtab_hdr->sh_info;
end_local_got = local_got + locsymcount;
- s = htab->sgot;
- srel = htab->srelgot;
+ s = htab->root.sgot;
+ srel = htab->root.srelgot;
for (; local_got < end_local_got; ++local_got)
{
if (*local_got > 0)
{
*local_got = s->size;
s->size += 4;
- if (info->shared)
+ if (bfd_link_pic (info))
srel->size += sizeof (Elf32_External_Rela);
}
else
if ((s->flags & SEC_LINKER_CREATED) == 0)
continue;
- if (s == htab->splt
- || s == htab->sgot
- || s == htab->sgotplt
+ if (s == htab->root.splt
+ || s == htab->root.sgot
+ || s == htab->root.sgotplt
|| s == htab->sdynbss)
{
/* Strip this section if we don't need it; see the
}
else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
{
- if (s->size != 0 && s != htab->srelplt)
+ if (s->size != 0 && s != htab->root.srelplt)
relocs = TRUE;
/* We use the reloc_count field as a counter if we need
#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;
}
- if (htab->splt->size != 0)
+ if (htab->root.splt->size != 0)
{
if (! add_dynamic_entry (DT_PLTGOT, 0)
|| ! add_dynamic_entry (DT_PLTRELSZ, 0)
int r32_count = 0;
int rgot_count = 0;
/* Look for deleted sections. */
- for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+ for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
{
for (s = ibfd->sections; s != NULL; s = s->next)
{
/* Don't generate entries for weak symbols. */
if (!h || (h && h->root.type != bfd_link_hash_undefweak))
{
- if (!elf_discarded_section (s) && !((bfd_get_section_flags (ibfd, s) & SEC_ALLOC) == 0))
+ if (!discarded_section (s) && !((bfd_get_section_flags (ibfd, s) & SEC_ALLOC) == 0))
{
switch (ELF32_R_TYPE (internal_relocs->r_info))
{
if (!strcmp (current->name, h->root.root.string))
break;
}
- if (!current && !elf_discarded_section (s) && (bfd_get_section_flags (ibfd, s) & SEC_ALLOC))
+ if (!current && !discarded_section (s) && (bfd_get_section_flags (ibfd, s) & SEC_ALLOC))
{
/* Will this have an entry in the GOT. */
if (ELF32_R_TYPE (internal_relocs->r_info) == R_LM32_16_GOT)
}
/* Size sections. */
- lm32fdpic_fixup32_section (info)->size = (r32_count + (htab->sgot->size / 4) - rgot_weak_count + 1) * 4;
+ lm32fdpic_fixup32_section (info)->size
+ = (r32_count + (htab->root.sgot->size / 4) - rgot_weak_count + 1) * 4;
if (lm32fdpic_fixup32_section (info)->size == 0)
lm32fdpic_fixup32_section (info)->flags |= SEC_EXCLUDE;
else
int ptralign = 2; /* 32bit */
htab = lm32_elf_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
/* Make sure we have a GOT - For the case where we have a dynamic object
but none of the relocs in check_relocs */
- if (! create_got_section (abfd, info))
+ if (!_bfd_elf_create_got_section (abfd, info))
return FALSE;
if (IS_FDPIC (abfd) && (htab->sfixup32 == NULL))
{
if (bed->plt_readonly)
pltflags |= SEC_READONLY;
- s = bfd_make_section_with_flags (abfd, ".plt", pltflags);
- htab->splt = s;
+ s = bfd_make_section_anyway_with_flags (abfd, ".plt", pltflags);
+ htab->root.splt = s;
if (s == NULL
|| ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
return FALSE;
h->type = STT_OBJECT;
htab->root.hplt = h;
- if (info->shared
+ if (bfd_link_pic (info)
&& ! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
- s = bfd_make_section_with_flags (abfd,
- bed->default_use_rela_p ? ".rela.plt" : ".rel.plt",
- flags | SEC_READONLY);
- htab->srelplt = s;
+ s = bfd_make_section_anyway_with_flags (abfd,
+ bed->default_use_rela_p
+ ? ".rela.plt" : ".rel.plt",
+ flags | SEC_READONLY);
+ htab->root.srelplt = s;
if (s == NULL
|| ! bfd_set_section_alignment (abfd, s, ptralign))
return FALSE;
- if (htab->sgot == NULL
- && ! create_got_section (abfd, info))
+ if (htab->root.sgot == NULL
+ && !_bfd_elf_create_got_section (abfd, info))
return FALSE;
- {
- const char *secname;
- char *relname;
- flagword secflags;
- asection *sec;
-
- for (sec = abfd->sections; sec; sec = sec->next)
- {
- secflags = bfd_get_section_flags (abfd, sec);
- if ((secflags & (SEC_DATA | SEC_LINKER_CREATED))
- || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS))
- continue;
- secname = bfd_get_section_name (abfd, sec);
- relname = bfd_malloc ((bfd_size_type) strlen (secname) + 6);
- strcpy (relname, ".rela");
- strcat (relname, secname);
- if (bfd_get_section_by_name (abfd, secname))
- continue;
- s = bfd_make_section_with_flags (abfd, relname,
- flags | SEC_READONLY);
- if (s == NULL
- || ! bfd_set_section_alignment (abfd, s, ptralign))
- return FALSE;
- }
- }
-
if (bed->want_dynbss)
{
/* The .dynbss section is a place to put symbols which are defined
image and use a R_*_COPY reloc to tell the dynamic linker to
initialize them at run time. The linker script puts the .dynbss
section into the .bss section of the final image. */
- s = bfd_make_section_with_flags (abfd, ".dynbss",
- SEC_ALLOC | SEC_LINKER_CREATED);
+ s = bfd_make_section_anyway_with_flags (abfd, ".dynbss",
+ SEC_ALLOC | SEC_LINKER_CREATED);
htab->sdynbss = s;
if (s == NULL)
return FALSE;
be needed, we can discard it later. We will never need this
section when generating a shared object, since they do not use
copy relocs. */
- if (! info->shared)
+ if (! bfd_link_pic (info))
{
- s = bfd_make_section_with_flags (abfd,
- (bed->default_use_rela_p
- ? ".rela.bss" : ".rel.bss"),
- flags | SEC_READONLY);
+ s = bfd_make_section_anyway_with_flags (abfd,
+ (bed->default_use_rela_p
+ ? ".rela.bss" : ".rel.bss"),
+ flags | SEC_READONLY);
htab->srelbss = s;
if (s == NULL
|| ! bfd_set_section_alignment (abfd, s, ptralign))
}
static bfd_boolean
-lm32_elf_always_size_sections (bfd *output_bfd,
- struct bfd_link_info *info)
+lm32_elf_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
{
- if (!info->relocatable)
+ if (!bfd_link_relocatable (info))
{
- struct elf_link_hash_entry *h;
-
- /* Force a PT_GNU_STACK segment to be created. */
- if (! elf_tdata (output_bfd)->stack_flags)
- elf_tdata (output_bfd)->stack_flags = PF_R | PF_W | PF_X;
-
- /* Define __stacksize if it's not defined yet. */
- h = elf_link_hash_lookup (elf_hash_table (info), "__stacksize",
- FALSE, FALSE, FALSE);
- if (! h || h->root.type != bfd_link_hash_defined
- || h->type != STT_OBJECT
- || !h->def_regular)
- {
- struct bfd_link_hash_entry *bh = NULL;
-
- if (!(_bfd_generic_link_add_one_symbol
- (info, output_bfd, "__stacksize",
- BSF_GLOBAL, bfd_abs_section_ptr, DEFAULT_STACK_SIZE,
- (const char *) NULL, FALSE,
- get_elf_backend_data (output_bfd)->collect, &bh)))
- return FALSE;
+ if (!bfd_elf_stack_segment_size (output_bfd, info,
+ "__stacksize", DEFAULT_STACK_SIZE))
+ return FALSE;
- h = (struct elf_link_hash_entry *) bh;
- h->def_regular = 1;
- h->type = STT_OBJECT;
- /* This one must NOT be hidden. */
- }
- }
-
- return TRUE;
-}
-
-static bfd_boolean
-lm32_elf_modify_segment_map (bfd *output_bfd,
- struct bfd_link_info *info)
-{
- struct elf_segment_map *m;
-
- /* objcopy and strip preserve what's already there using elf32_lm32fdpic_copy_
- private_bfd_data (). */
- if (! info)
- return TRUE;
-
- for (m = elf_tdata (output_bfd)->segment_map; m != NULL; m = m->next)
- if (m->p_type == PT_GNU_STACK)
- break;
-
- if (m)
- {
asection *sec = bfd_get_section_by_name (output_bfd, ".stack");
- struct elf_link_hash_entry *h;
-
if (sec)
- {
- /* Obtain the pointer to the __stacksize symbol. */
- h = elf_link_hash_lookup (elf_hash_table (info), "__stacksize",
- FALSE, FALSE, FALSE);
- 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;
- BFD_ASSERT (h->root.type == bfd_link_hash_defined);
-
- /* Set the section size from the symbol value. We
- intentionally ignore the symbol section. */
- if (h->root.type == bfd_link_hash_defined)
- sec->size = h->root.u.def.value;
- else
- sec->size = DEFAULT_STACK_SIZE;
-
- /* Add the stack section to the PT_GNU_STACK segment,
- such that its size and alignment requirements make it
- to the segment. */
- m->sections[m->count] = sec;
- m->count++;
- }
- }
-
- return TRUE;
-}
-
-static bfd_boolean
-lm32_elf_modify_program_headers (bfd *output_bfd,
- struct bfd_link_info *info)
-{
- struct elf_obj_tdata *tdata = elf_tdata (output_bfd);
- struct elf_segment_map *m;
- Elf_Internal_Phdr *p;
-
- if (! info)
- return TRUE;
-
- for (p = tdata->phdr, m = tdata->segment_map; m != NULL; m = m->next, p++)
- if (m->p_type == PT_GNU_STACK)
- break;
-
- if (m)
- {
- struct elf_link_hash_entry *h;
-
- /* Obtain the pointer to the __stacksize symbol. */
- h = elf_link_hash_lookup (elf_hash_table (info), "__stacksize",
- FALSE, FALSE, FALSE);
- if (h)
- {
- 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;
- BFD_ASSERT (h->root.type == bfd_link_hash_defined);
- }
-
- /* Set the header p_memsz from the symbol value. We
- intentionally ignore the symbol section. */
- if (h && h->root.type == bfd_link_hash_defined)
- p->p_memsz = h->root.u.def.value;
- else
- p->p_memsz = DEFAULT_STACK_SIZE;
-
- p->p_align = 8;
+ sec->size = info->stacksize >= 0 ? info->stacksize : 0;
}
return TRUE;
}
-
-static bfd_boolean
-lm32_elf_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
-{
- if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
- || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
- return TRUE;
-
- BFD_ASSERT (!elf_flags_init (obfd)
- || elf_elfheader (obfd)->e_flags == elf_elfheader (ibfd)->e_flags);
-
- elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
- elf_flags_init (obfd) = TRUE;
-
- /* Copy object attributes. */
- _bfd_elf_copy_obj_attributes (ibfd, obfd);
-
- return TRUE;
-}
-
-
static bfd_boolean
lm32_elf_fdpic_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
{
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
return TRUE;
- if (! lm32_elf_copy_private_bfd_data (ibfd, obfd))
+ if (! _bfd_elf_copy_private_bfd_data (ibfd, obfd))
return FALSE;
if (! elf_tdata (ibfd) || ! elf_tdata (ibfd)->phdr
#define ELF_ARCH bfd_arch_lm32
+#define ELF_TARGET_ID LM32_ELF_DATA
#define ELF_MACHINE_CODE EM_LATTICEMICO32
#define ELF_MAXPAGESIZE 0x1000
-#define TARGET_BIG_SYM bfd_elf32_lm32_vec
+#define TARGET_BIG_SYM lm32_elf32_vec
#define TARGET_BIG_NAME "elf32-lm32"
#define bfd_elf32_bfd_reloc_type_lookup lm32_reloc_type_lookup
#define elf_backend_rela_normal 1
#define elf_backend_object_p lm32_elf_object_p
#define elf_backend_final_write_processing lm32_elf_final_write_processing
+#define elf_backend_stack_align 8
#define elf_backend_can_gc_sections 1
#define elf_backend_can_refcount 1
#define elf_backend_gc_mark_hook lm32_elf_gc_mark_hook
#define elf_backend_want_got_plt 1
#define elf_backend_want_plt_sym 0
#define elf_backend_got_header_size 12
+#define elf_backend_dtrel_excludes_plt 1
#define bfd_elf32_bfd_link_hash_table_create lm32_elf_link_hash_table_create
#define elf_backend_check_relocs lm32_elf_check_relocs
#define elf_backend_reloc_type_class lm32_elf_reloc_type_class
#undef TARGET_BIG_SYM
-#define TARGET_BIG_SYM bfd_elf32_lm32fdpic_vec
+#define TARGET_BIG_SYM lm32_elf32_fdpic_vec
#undef TARGET_BIG_NAME
#define TARGET_BIG_NAME "elf32-lm32fdpic"
#undef elf32_bed
#undef elf_backend_always_size_sections
#define elf_backend_always_size_sections lm32_elf_always_size_sections
-#undef elf_backend_modify_segment_map
-#define elf_backend_modify_segment_map lm32_elf_modify_segment_map
-#undef elf_backend_modify_program_headers
-#define elf_backend_modify_program_headers lm32_elf_modify_program_headers
#undef bfd_elf32_bfd_copy_private_bfd_data
#define bfd_elf32_bfd_copy_private_bfd_data lm32_elf_fdpic_copy_private_bfd_data
projects / thirdparty / binutils-gdb.git / blobdiff