/* M16C/M32C specific support for 32-bit ELF.
- Copyright (C) 2005-2014 Free Software Foundation, Inc.
+ Copyright (C) 2005-2017 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
#endif
static bfd_boolean m32c_elf_relax_section
(bfd *abfd, asection *sec, struct bfd_link_info *link_info, bfd_boolean *again);
+static bfd_reloc_status_type m32c_apply_reloc_24
+ (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
static reloc_howto_type m32c_elf_howto_table [] =
/* This reloc does nothing. */
HOWTO (R_M32C_NONE, /* type */
0, /* rightshift */
- 0, /* 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_M32C_NONE", /* name */
FALSE, /* partial_inplace */
FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ m32c_apply_reloc_24, /* special_function */
"R_M32C_24", /* name */
FALSE, /* partial_inplace */
0, /* src_mask */
{
unsigned int i;
- for (i = ARRAY_SIZE (m32c_reloc_map); --i;)
+ for (i = ARRAY_SIZE (m32c_reloc_map); i--;)
if (m32c_reloc_map [i].bfd_reloc_val == code)
return & m32c_elf_howto_table [m32c_reloc_map[i].m32c_reloc_val];
unsigned int r_type;
r_type = ELF32_R_TYPE (dst->r_info);
- BFD_ASSERT (r_type < (unsigned int) R_M32C_max);
+ if (r_type >= (unsigned int) R_M32C_max)
+ {
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%B: invalid M32C reloc number: %d"), abfd, r_type);
+ r_type = 0;
+ }
cache_ptr->howto = & m32c_elf_howto_table [r_type];
}
\f
+/* Apply R_M32C_24 relocations. We have to do this because it's not a
+ power-of-two size, and the generic code may think it overruns the
+ section if it's right at the end.
+
+ Must return something other than bfd_reloc_continue to avoid the
+ above problem. Typical return values include bfd_reloc_ok or
+ bfd_reloc_overflow.
+*/
+
+static bfd_reloc_status_type m32c_apply_reloc_24 (bfd *abfd ATTRIBUTE_UNUSED,
+ arelent *reloc_entry,
+ asymbol *symbol,
+ void *vdata_start ATTRIBUTE_UNUSED,
+ asection *input_section,
+ bfd *ibfd ATTRIBUTE_UNUSED,
+ char **error_msg ATTRIBUTE_UNUSED)
+{
+ bfd_vma relocation;
+ bfd_reloc_status_type s;
+
+ s = bfd_elf_generic_reloc (abfd, reloc_entry, symbol,
+ vdata_start,
+ input_section, ibfd, error_msg);
+ if (s != bfd_reloc_continue)
+ return s;
+
+ /* Get symbol value. (Common symbols are special.) */
+ if (bfd_is_com_section (symbol->section))
+ relocation = 0;
+ else
+ relocation = symbol->value;
+
+ relocation += symbol->section->output_offset;
+
+ /* Add in supplied addend. */
+ relocation += reloc_entry->addend;
+
+ reloc_entry->addend = relocation;
+ reloc_entry->address += input_section->output_offset;
+ return bfd_reloc_ok;
+}
+
/* Relocate an M32C ELF section.
There is some attempt to make this function usable for many architectures,
both USE_REL and USE_RELA ['twould be nice if such a critter existed],
struct elf_link_hash_entry ** sym_hashes;
Elf_Internal_Rela * rel;
Elf_Internal_Rela * relend;
- bfd *dynobj;
asection *splt;
symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (input_bfd);
relend = relocs + input_section->reloc_count;
- dynobj = elf_hash_table (info)->dynobj;
- splt = NULL;
- if (dynobj != NULL)
- splt = bfd_get_linker_section (dynobj, ".plt");
+ splt = elf_hash_table (info)->splt;
for (rel = relocs; rel < relend; rel ++)
{
}
else if (h->root.type == bfd_link_hash_undefweak)
;
- else if (!info->relocatable)
- {
- if (! ((*info->callbacks->undefined_symbol)
- (info, h->root.root.string, input_bfd,
- input_section, rel->r_offset, TRUE)))
- return FALSE;
- }
+ else if (!bfd_link_relocatable (info))
+ (*info->callbacks->undefined_symbol) (info, h->root.root.string,
+ input_bfd, input_section,
+ rel->r_offset, TRUE);
}
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,
printf ("\n");
}
#endif
- r = _bfd_final_link_relocate (howto, input_bfd, input_section,
- contents, rel->r_offset, relocation,
- rel->r_addend);
+ switch (ELF32_R_TYPE(rel->r_info))
+ {
+ case R_M32C_24:
+ /* Like m32c_apply_reloc_24, we must handle this one separately. */
+ relocation += rel->r_addend;
+
+ /* Sanity check the address. */
+ if (rel->r_offset + 3
+ > bfd_get_section_limit_octets (input_bfd, input_section))
+ r = bfd_reloc_outofrange;
+ else
+ {
+ bfd_put_8 (input_bfd, relocation & 0xff, contents + rel->r_offset);
+ bfd_put_8 (input_bfd, (relocation >> 8) & 0xff, contents + rel->r_offset + 1);
+ bfd_put_8 (input_bfd, (relocation >> 16) & 0xff, contents + rel->r_offset + 2);
+ r = bfd_reloc_ok;
+ }
+
+ break;
+
+ default:
+ r = _bfd_final_link_relocate (howto, input_bfd, input_section,
+ contents, rel->r_offset, relocation,
+ rel->r_addend);
+ break;
+ }
if (r != bfd_reloc_ok)
{
switch (r)
{
case bfd_reloc_overflow:
- r = info->callbacks->reloc_overflow
+ (*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:
- r = info->callbacks->undefined_symbol
- (info, name, input_bfd, input_section, rel->r_offset,
- TRUE);
+ (*info->callbacks->undefined_symbol)
+ (info, name, input_bfd, input_section, rel->r_offset, TRUE);
break;
case bfd_reloc_outofrange:
}
if (msg)
- r = info->callbacks->warning
- (info, msg, name, input_bfd, input_section, rel->r_offset);
-
- if (! r)
- return FALSE;
+ (*info->callbacks->warning) (info, msg, name, input_bfd,
+ input_section, rel->r_offset);
}
}
asection *splt;
bfd *dynobj;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
/* PR15323, ref flags aren't set for references in the same
object. */
- h->root.non_ir_ref = 1;
+ h->root.non_ir_ref_regular = 1;
}
switch (ELF32_R_TYPE (rel->r_info))
case R_M32C_16:
if (dynobj == NULL)
elf_hash_table (info)->dynobj = dynobj = abfd;
+ splt = elf_hash_table (info)->splt;
if (splt == NULL)
{
- splt = bfd_get_linker_section (dynobj, ".plt");
- if (splt == NULL)
- {
- flagword flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
- | SEC_IN_MEMORY | SEC_LINKER_CREATED
- | SEC_READONLY | SEC_CODE);
- splt = bfd_make_section_anyway_with_flags (dynobj, ".plt",
- flags);
- if (splt == NULL
- || ! bfd_set_section_alignment (dynobj, splt, 1))
- return FALSE;
- }
+ flagword flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
+ | SEC_IN_MEMORY | SEC_LINKER_CREATED
+ | SEC_READONLY | SEC_CODE);
+ splt = bfd_make_section_anyway_with_flags (dynobj, ".plt",
+ flags);
+ elf_hash_table (info)->splt = splt;
+ if (splt == NULL
+ || ! bfd_set_section_alignment (dynobj, splt, 1))
+ return FALSE;
}
if (h != NULL)
m32c_elf_finish_dynamic_sections (bfd *abfd ATTRIBUTE_UNUSED,
struct bfd_link_info *info)
{
- bfd *dynobj;
- asection *splt;
+ bfd *dynobj = elf_hash_table (info)->dynobj;
+ asection *splt = elf_hash_table (info)->splt;
/* As an extra sanity check, verify that all plt entries have
been filled in. */
- if ((dynobj = elf_hash_table (info)->dynobj) != NULL
- && (splt = bfd_get_linker_section (dynobj, ".plt")) != NULL)
+ if (dynobj != NULL && splt != NULL)
{
bfd_byte *contents = splt->contents;
unsigned int i, size = splt->size;
bfd *dynobj;
asection *splt;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
dynobj = elf_hash_table (info)->dynobj;
if (dynobj == NULL)
return TRUE;
- splt = bfd_get_linker_section (dynobj, ".plt");
+ splt = elf_hash_table (info)->splt;
BFD_ASSERT (splt != NULL);
splt->contents = (bfd_byte *) bfd_zalloc (dynobj, splt->size);
object file when linking. */
static bfd_boolean
-m32c_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
+m32c_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
{
+ bfd *obfd = info->output_bfd;
flagword old_flags, old_partial;
flagword new_flags, new_partial;
bfd_boolean error = FALSE;
old_flags = elf_elfheader (obfd)->e_flags;
#ifdef DEBUG
- (*_bfd_error_handler) ("old_flags = 0x%.8lx, new_flags = 0x%.8lx, init = %s, filename = %s",
- old_flags, new_flags, elf_flags_init (obfd) ? "yes" : "no",
- bfd_get_filename (ibfd));
+ _bfd_error_handler
+ ("old_flags = 0x%.8x, new_flags = 0x%.8x, init = %s, filename = %s",
+ old_flags, new_flags, elf_flags_init (obfd) ? "yes" : "no",
+ bfd_get_filename (ibfd));
#endif
if (!elf_flags_init (obfd))
if (new_opt[0])
{
error = TRUE;
- (*_bfd_error_handler)
- (_("%s: compiled with %s and linked with modules compiled with %s"),
- bfd_get_filename (ibfd), new_opt, old_opt);
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%B: compiled with %s and linked with modules compiled with %s"),
+ ibfd, new_opt, old_opt);
}
new_flags &= ~ EF_M32C_ALL_FLAGS;
if (new_flags != old_flags)
{
error = TRUE;
- (*_bfd_error_handler)
- (_("%s: uses different e_flags (0x%lx) fields than previous modules (0x%lx)"),
- bfd_get_filename (ibfd), (long)new_flags, (long)old_flags);
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%B: uses different e_flags (%#x) fields"
+ " than previous modules (%#x)"),
+ ibfd, new_flags, old_flags);
}
}
/* Assume nothing changes. */
*again = FALSE;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
/* Quick check for an empty plt. */
/* We don't have to do anything for a relocatable link, if
this section does not have relocs, or if this is not a
code section. */
- if (link_info->relocatable
+ if (bfd_link_relocatable (link_info)
|| (sec->flags & SEC_RELOC) == 0
|| sec->reloc_count == 0
|| (sec->flags & SEC_CODE) == 0)
return TRUE;
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- shndx_hdr = &elf_tdata (abfd)->symtab_shndx_hdr;
+ symtab_hdr = & elf_symtab_hdr (abfd);
+ if (elf_symtab_shndx_list (abfd))
+ shndx_hdr = & elf_symtab_shndx_list (abfd)->hdr;
+ else
+ shndx_hdr = NULL;
/* Get the section contents. */
if (elf_section_data (sec)->this_hdr.contents != NULL)
symtab_hdr->contents = (bfd_byte *) intsyms;
}
- if (shndx_hdr->sh_size != 0)
+ if (shndx_hdr && shndx_hdr->sh_size != 0)
{
bfd_size_type amt;
isymend = isym + symtab_hdr->sh_info;
sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
- shndx_hdr = & elf_tdata (abfd)->symtab_shndx_hdr;
- shndx_buf = (Elf_External_Sym_Shndx *) shndx_hdr->contents;
+ if (elf_symtab_shndx_list (abfd))
+ {
+ shndx_hdr = & elf_symtab_shndx_list (abfd)->hdr;
+ shndx_buf = (Elf_External_Sym_Shndx *) shndx_hdr->contents;
+ }
+ else
+ {
+ shndx_hdr = NULL;
+ shndx_buf = NULL;
+ }
shndx = shndx_buf;
for (; isym < isymend; isym++, shndx = (shndx ? shndx + 1 : NULL))
\f
/* This is for versions of gcc prior to 4.3. */
static unsigned int
-_bfd_m32c_elf_eh_frame_address_size (bfd *abfd, asection *sec ATTRIBUTE_UNUSED)
+_bfd_m32c_elf_eh_frame_address_size (bfd *abfd,
+ const asection *sec ATTRIBUTE_UNUSED)
{
if ((elf_elfheader (abfd)->e_flags & EF_M32C_CPU_MASK) == EF_M32C_CPU_M16C)
return 2;