if the instruction is not the last instruction of
an IT block, we cannot create a jump there, so we
bail out. */
- if ((is_ldm || is_vldm) &&
- stm32l4xx_need_create_replacing_stub
+ if ((is_ldm || is_vldm)
+ && stm32l4xx_need_create_replacing_stub
(insn, globals->stm32l4xx_fix))
{
if (is_not_last_in_it_block)
There can be no nested IT blocks so an IT block
is naturally a new one for which it is worth
computing its size. */
- bfd_boolean is_newitblock = ((insn & 0xff00) == 0xbf00) &&
- ((insn & 0x000f) != 0x0000);
+ bfd_boolean is_newitblock = ((insn & 0xff00) == 0xbf00)
+ && ((insn & 0x000f) != 0x0000);
/* If we have a new IT block we compute its size. */
if (is_newitblock)
{
{
if (dynreloc_st_type == STT_GNU_IFUNC)
outrel.r_info = ELF32_R_INFO (0, R_ARM_IRELATIVE);
- else if (bfd_link_pic (info) &&
- (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
- || h->root.type != bfd_link_hash_undefweak))
+ else if (bfd_link_pic (info)
+ && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ || h->root.type != bfd_link_hash_undefweak))
outrel.r_info = ELF32_R_INFO (0, R_ARM_RELATIVE);
else
outrel.r_info = 0;
{
bfd_vma off;
- BFD_ASSERT (local_got_offsets != NULL &&
- local_got_offsets[r_symndx] != (bfd_vma) -1);
+ BFD_ASSERT (local_got_offsets != NULL
+ && local_got_offsets[r_symndx] != (bfd_vma) -1);
off = local_got_offsets[r_symndx];
if (ARM_GET_SYM_CMSE_SPCL (cmse_hash->root.target_internal))
{
cmse_sec = cmse_hash->root.root.u.def.section;
- if (!cmse_sec->gc_mark &&
- !_bfd_elf_gc_mark (info, cmse_sec, gc_mark_hook))
+ if (!cmse_sec->gc_mark
+ && !_bfd_elf_gc_mark (info, cmse_sec, gc_mark_hook))
return FALSE;
}
}
|| !add_dynamic_entry (DT_JMPREL, 0))
return FALSE;
- if (htab->dt_tlsdesc_plt &&
- (!add_dynamic_entry (DT_TLSDESC_PLT,0)
- || !add_dynamic_entry (DT_TLSDESC_GOT,0)))
+ if (htab->dt_tlsdesc_plt
+ && (!add_dynamic_entry (DT_TLSDESC_PLT,0)
+ || !add_dynamic_entry (DT_TLSDESC_GOT,0)))
return FALSE;
}
/* End of stm32l4xx work-around. */
-static void
-elf32_arm_add_relocation (bfd *output_bfd, struct bfd_link_info *info,
- asection *output_sec, Elf_Internal_Rela *rel)
-{
- BFD_ASSERT (output_sec && rel);
- struct bfd_elf_section_reloc_data *output_reldata;
- struct elf32_arm_link_hash_table *htab;
- struct bfd_elf_section_data *oesd = elf_section_data (output_sec);
- Elf_Internal_Shdr *rel_hdr;
-
-
- if (oesd->rel.hdr)
- {
- rel_hdr = oesd->rel.hdr;
- output_reldata = &(oesd->rel);
- }
- else if (oesd->rela.hdr)
- {
- rel_hdr = oesd->rela.hdr;
- output_reldata = &(oesd->rela);
- }
- else
- {
- abort ();
- }
-
- bfd_byte *erel = rel_hdr->contents;
- erel += output_reldata->count * rel_hdr->sh_entsize;
- htab = elf32_arm_hash_table (info);
- SWAP_RELOC_OUT (htab) (output_bfd, rel, erel);
- output_reldata->count++;
-}
-
/* Do code byteswapping. Return FALSE afterwards so that the section is
written out as normal. */
adjust offset by hand. */
prel31_offset = text_sec->output_offset
+ text_sec->size;
-
- /* New relocation entity. */
- asection *text_out = text_sec->output_section;
- Elf_Internal_Rela rel;
- rel.r_addend = 0;
- rel.r_offset = exidx_offset;
- rel.r_info = ELF32_R_INFO (text_out->target_index,
- R_ARM_PREL31);
-
- elf32_arm_add_relocation (output_bfd, link_info,
- sec->output_section,
- &rel);
}
/* First address we can't unwind. */
{
struct _arm_elf_section_data *arm_data;
arm_data = get_arm_elf_section_data (sec);
+
return arm_data == NULL ? 0 : arm_data->additional_reloc_count;
}
+static unsigned int
+elf32_arm_count_output_relocs (struct bfd_link_info * info,
+ asection * o,
+ bfd_boolean rela)
+{
+ struct bfd_elf_section_data *esdo;
+ struct bfd_link_order *p;
+ bfd_size_type count;
+
+ esdo = elf_section_data (o->output_section);
+ if (esdo->this_hdr.sh_type != SHT_ARM_EXIDX)
+ return _bfd_elf_default_count_output_relocs (info, o, rela);
+
+ /* PR 20595: Skip relocations for deleted exidx entries. */
+ count = 0;
+ for (p = o->map_head.link_order; p != NULL; p = p->next)
+ {
+ struct _arm_elf_section_data *arm_data;
+ struct bfd_elf_section_data *esd;
+ arm_unwind_table_edit *edit_list;
+ Elf_Internal_Rela *relocs;
+ asection *sec;
+ bfd_size_type num_rel;
+ bfd_size_type num_rela;
+ unsigned int i;
+
+ if (p->type == bfd_section_reloc_link_order
+ || p->type == bfd_symbol_reloc_link_order)
+ {
+ count++;
+ continue;
+ }
+
+ sec = p->u.indirect.section;
+ arm_data = get_arm_elf_section_data (sec);
+ esd = &arm_data->elf;
+
+ if (arm_data->additional_reloc_count)
+ count += arm_data->additional_reloc_count;
+
+ edit_list = arm_data->u.exidx.unwind_edit_list;
+ if (!edit_list)
+ {
+ count += sec->reloc_count;
+ continue;
+ }
+
+ relocs = _bfd_elf_link_read_relocs (sec->owner, sec, NULL, NULL,
+ info->keep_memory);
+ num_rel = esd->rel.hdr ? NUM_SHDR_ENTRIES (esd->rel.hdr) : 0;
+ num_rela = esd->rela.hdr ? NUM_SHDR_ENTRIES (esd->rela.hdr) : 0;
+ if (rela)
+ relocs += num_rel;
+
+ for (i = 0; i < (rela ? num_rela : num_rel); i++)
+ {
+ arm_unwind_table_edit *edit_node;
+ unsigned int index;
+
+ index = (relocs[i].r_offset - sec->vma) / 8;
+
+ for (edit_node = edit_list;
+ edit_node->next && edit_node->next->index > index;
+ edit_node++);
+
+ if (edit_node->type != DELETE_EXIDX_ENTRY
+ || edit_node->index != index)
+ count++;
+ }
+ }
+
+ return count;
+}
+
/* Called to set the sh_flags, sh_link and sh_info fields of OSECTION which
has a type >= SHT_LOOS. Returns TRUE if these fields were initialised
FALSE otherwise. ISECTION is the best guess matching section from the
sym->flags |= BSF_KEEP;
}
+static bfd_boolean
+emit_relocs (bfd * output_bfd,
+ asection * input_section,
+ Elf_Internal_Shdr * input_rel_hdr,
+ Elf_Internal_Rela * internal_relocs,
+ struct elf_link_hash_entry ** rel_hash,
+ bfd_boolean (* fallback) (bfd *, asection *,
+ Elf_Internal_Shdr *,
+ Elf_Internal_Rela *,
+ struct elf_link_hash_entry **))
+{
+ _arm_elf_section_data *arm_data;
+ struct bfd_elf_section_reloc_data *output_reldata;
+ Elf_Internal_Shdr *output_rel_hdr;
+ Elf_Internal_Rela *irela;
+ Elf_Internal_Rela *irelaend;
+ asection *output_section;
+ const struct elf_backend_data *bed;
+ void (*swap_out) (bfd *, const Elf_Internal_Rela *, bfd_byte *);
+ struct bfd_elf_section_data *esdo;
+ arm_unwind_table_edit *edit_list, *edit_tail;
+ bfd_byte *erel;
+ bfd_vma offset;
+
+ arm_data = get_arm_elf_section_data (input_section);
+
+ if (!arm_data || arm_data->elf.this_hdr.sh_type != SHT_ARM_EXIDX)
+ goto fallback_label;
+
+ edit_list = arm_data->u.exidx.unwind_edit_list;
+ edit_tail = arm_data->u.exidx.unwind_edit_tail;
+
+ if (!edit_list)
+ goto fallback_label;
+
+ output_section = input_section->output_section;
+ offset = output_section->vma + input_section->output_offset;
+
+ bed = get_elf_backend_data (output_bfd);
+ esdo = elf_section_data (output_section);
+ if (esdo->rel.hdr && esdo->rel.hdr->sh_entsize == input_rel_hdr->sh_entsize)
+ {
+ output_reldata = &esdo->rel;
+ swap_out = bed->s->swap_reloc_out;
+ }
+ else if (esdo->rela.hdr
+ && esdo->rela.hdr->sh_entsize == input_rel_hdr->sh_entsize)
+ {
+ output_reldata = &esdo->rela;
+ swap_out = bed->s->swap_reloca_out;
+ }
+ else
+ {
+ (*_bfd_error_handler)
+ (_("%B: relocation size mismatch in %B section %A"),
+ output_bfd, input_section->owner, input_section);
+ bfd_set_error (bfd_error_wrong_format);
+ return FALSE;
+ }
+
+ output_rel_hdr = output_reldata->hdr;
+ erel = output_rel_hdr->contents;
+ erel += output_reldata->count * input_rel_hdr->sh_entsize;
+
+ irela = internal_relocs;
+ irelaend = irela + (NUM_SHDR_ENTRIES (input_rel_hdr)
+ * bed->s->int_rels_per_ext_rel);
+ while (irela < irelaend)
+ {
+ arm_unwind_table_edit *edit_node, *edit_next;
+ Elf_Internal_Rela rel;
+ bfd_vma bias;
+ bfd_vma index;
+
+ index = (irela->r_offset - offset) / 8;
+
+ bias = 0;
+ edit_node = edit_list;
+ for (edit_next = edit_list;
+ edit_next && edit_next->index <= index;
+ edit_next = edit_node->next)
+ {
+ bias++;
+ edit_node = edit_next;
+ }
+
+ if (edit_node->type != DELETE_EXIDX_ENTRY || edit_node->index != index)
+ {
+ rel.r_offset = irela->r_offset - bias * 8;
+ rel.r_info = irela->r_info;
+ rel.r_addend = irela->r_addend;
+
+ (*swap_out) (output_bfd, &rel, erel);
+ erel += output_rel_hdr->sh_entsize;
+ output_reldata->count++;
+ }
+
+ irela += bed->s->int_rels_per_ext_rel;
+ }
+
+ if (edit_tail->type == INSERT_EXIDX_CANTUNWIND_AT_END)
+ {
+ /* New relocation entity. */
+ asection *text_sec = edit_tail->linked_section;
+ asection *text_out = text_sec->output_section;
+ bfd_vma exidx_offset = offset + input_section->size - 8;
+ Elf_Internal_Rela rel;
+
+ rel.r_addend = 0;
+ rel.r_offset = exidx_offset;
+ rel.r_info = ELF32_R_INFO (text_out->target_index, R_ARM_PREL31);
+ (*swap_out) (output_bfd, &rel, erel);
+ output_reldata->count++;
+ }
+
+ return TRUE;
+
+fallback_label:
+ return fallback (output_bfd, input_section, input_rel_hdr,
+ internal_relocs, rel_hash);
+}
+
+static bfd_boolean
+elf32_arm_emit_relocs (bfd * output_bfd,
+ asection * input_section,
+ Elf_Internal_Shdr * input_rel_hdr,
+ Elf_Internal_Rela * internal_relocs,
+ struct elf_link_hash_entry ** rel_hash)
+{
+ return emit_relocs (output_bfd, input_section, input_rel_hdr, internal_relocs,
+ rel_hash, _bfd_elf_link_output_relocs);
+}
+
#undef elf_backend_copy_special_section_fields
#define elf_backend_copy_special_section_fields elf32_arm_copy_special_section_fields
#define bfd_elf32_bfd_final_link elf32_arm_final_link
#define bfd_elf32_get_synthetic_symtab elf32_arm_get_synthetic_symtab
+#define elf_backend_emit_relocs elf32_arm_emit_relocs
#define elf_backend_get_symbol_type elf32_arm_get_symbol_type
#define elf_backend_gc_mark_hook elf32_arm_gc_mark_hook
#define elf_backend_gc_mark_extra_sections elf32_arm_gc_mark_extra_sections
#define elf_backend_begin_write_processing elf32_arm_begin_write_processing
#define elf_backend_add_symbol_hook elf32_arm_add_symbol_hook
#define elf_backend_count_additional_relocs elf32_arm_count_additional_relocs
+#define elf_backend_count_output_relocs elf32_arm_count_output_relocs
#define elf_backend_symbol_processing elf32_arm_backend_symbol_processing
#define elf_backend_can_refcount 1
#define elf_backend_obj_attrs_order elf32_arm_obj_attrs_order
#define elf_backend_obj_attrs_handle_unknown elf32_arm_obj_attrs_handle_unknown
-#undef elf_backend_section_flags
+#undef elf_backend_section_flags
#define elf_backend_section_flags elf32_arm_section_flags
-#undef elf_backend_lookup_section_flags_hook
+#undef elf_backend_lookup_section_flags_hook
#define elf_backend_lookup_section_flags_hook elf32_arm_lookup_section_flags
#include "elf32-target.h"
elf_vxworks_final_write_processing (abfd, linker);
}
+static bfd_boolean
+elf32_arm_vxworks_emit_relocs (bfd * output_bfd,
+ asection * input_section,
+ Elf_Internal_Shdr * input_rel_hdr,
+ Elf_Internal_Rela * internal_relocs,
+ struct elf_link_hash_entry ** rel_hash)
+{
+ return emit_relocs (output_bfd, input_section, input_rel_hdr, internal_relocs,
+ rel_hash, elf_vxworks_emit_relocs);
+}
+
#undef elf32_bed
#define elf32_bed elf32_arm_vxworks_bed
#undef elf_backend_final_write_processing
#define elf_backend_final_write_processing elf32_arm_vxworks_final_write_processing
#undef elf_backend_emit_relocs
-#define elf_backend_emit_relocs elf_vxworks_emit_relocs
+#define elf_backend_emit_relocs elf32_arm_vxworks_emit_relocs
#undef elf_backend_may_use_rel_p
#define elf_backend_may_use_rel_p 0
#define ELF_DYNAMIC_SEC_FLAGS \
(SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED)
-#undef elf_backend_emit_relocs
+#undef elf_backend_emit_relocs
+#define elf_backend_emit_relocs elf32_arm_emit_relocs
#undef bfd_elf32_bfd_link_hash_table_create
#define bfd_elf32_bfd_link_hash_table_create elf32_arm_symbian_link_hash_table_create
section header for a section containing relocations for O. */
static bfd_boolean
-_bfd_elf_link_size_reloc_section (bfd *abfd,
- struct bfd_elf_section_reloc_data *reldata)
+_bfd_elf_link_size_reloc_section (bfd *abfd, struct bfd_link_info *info,
+ asection *o, bfd_boolean rela)
{
- Elf_Internal_Shdr *rel_hdr = reldata->hdr;
+ struct bfd_elf_section_data *esdo;
+ const struct elf_backend_data *bed;
+ struct bfd_elf_section_reloc_data *reldata;
+ Elf_Internal_Shdr *rel_hdr;
+ unsigned int count;
+
+ esdo = elf_section_data (o);
+ reldata = rela ? &esdo->rela : &esdo->rel;
+ rel_hdr = reldata->hdr;
/* That allows us to calculate the size of the section. */
- rel_hdr->sh_size = rel_hdr->sh_entsize * reldata->count;
+ bed = get_elf_backend_data (abfd);
+ count = (*bed->elf_backend_count_output_relocs) (info, o, rela);
+ rel_hdr->sh_size = count * rel_hdr->sh_entsize;
/* The contents field must last into write_object_contents, so we
allocate it with bfd_alloc rather than malloc. Also since we
return TRUE;
}
+
+unsigned int
+_bfd_elf_default_count_output_relocs (struct bfd_link_info * info ATTRIBUTE_UNUSED,
+ asection * o,
+ bfd_boolean rela)
+{
+ struct bfd_elf_section_data *esdo;
+ struct bfd_elf_section_reloc_data *reldata;
+
+ esdo = elf_section_data (o);
+ reldata = rela ? &esdo->rela : &esdo->rel;
+
+ return reldata->count;
+}
\f
/* Make weak undefined symbols in PIE dynamic. */
for (o = abfd->sections; o != NULL; o = o->next)
{
struct bfd_elf_section_data *esdo = elf_section_data (o);
+ unsigned int additional_reloc_count = 0;
o->reloc_count = 0;
for (p = o->map_head.link_order; p != NULL; p = p->next)
{
unsigned int reloc_count = 0;
- unsigned int additional_reloc_count = 0;
struct bfd_elf_section_data *esdi = NULL;
if (p->type == bfd_section_reloc_link_order
if (reloc_count == 0)
continue;
- reloc_count += additional_reloc_count;
o->reloc_count += reloc_count;
if (p->type == bfd_indirect_link_order && emit_relocs)
{
if (esdi->rel.hdr)
- {
esdo->rel.count += NUM_SHDR_ENTRIES (esdi->rel.hdr);
- esdo->rel.count += additional_reloc_count;
- }
if (esdi->rela.hdr)
- {
esdo->rela.count += NUM_SHDR_ENTRIES (esdi->rela.hdr);
- esdo->rela.count += additional_reloc_count;
- }
}
else
{
}
}
- if (o->reloc_count > 0)
+ if (o->reloc_count > 0 || additional_reloc_count > 0)
o->flags |= SEC_RELOC;
else
{
if ((o->flags & SEC_RELOC) != 0)
{
if (esdo->rel.hdr
- && !(_bfd_elf_link_size_reloc_section (abfd, &esdo->rel)))
+ && !(_bfd_elf_link_size_reloc_section (abfd, info, o, FALSE)))
goto error_return;
if (esdo->rela.hdr
- && !(_bfd_elf_link_size_reloc_section (abfd, &esdo->rela)))
+ && !(_bfd_elf_link_size_reloc_section (abfd, info, o, TRUE)))
goto error_return;
}
projects / binutils-gdb.git / commitdiff