/* BFD back-end for National Semiconductor's CR16 ELF
- Copyright 2007, 2008, 2009, 2010, 2012 Free Software Foundation, Inc.
+ Copyright (C) 2007-2015 Free Software Foundation, Inc.
Written by M R Swami Reddy.
This file is part of BFD, the Binary File Descriptor library.
int ptralign;
/* This function may be called more than once. */
- if (bfd_get_section_by_name (abfd, ".got") != NULL)
+ if (bfd_get_linker_section (abfd, ".got") != NULL)
return TRUE;
switch (bed->s->arch_size)
flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
| SEC_LINKER_CREATED);
- s = bfd_make_section_with_flags (abfd, ".got", flags);
+ s = bfd_make_section_anyway_with_flags (abfd, ".got", flags);
if (s == NULL
|| ! bfd_set_section_alignment (abfd, s, ptralign))
return FALSE;
if (bed->want_got_plt)
{
- s = bfd_make_section_with_flags (abfd, ".got.plt", flags);
+ s = bfd_make_section_anyway_with_flags (abfd, ".got.plt", flags);
if (s == NULL
|| ! bfd_set_section_alignment (abfd, s, ptralign))
return 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;
+
+ /* PR15323, ref flags aren't set for references in the same
+ object. */
+ h->root.non_ir_ref = 1;
}
/* Some relocs require a global offset table. */
if (sgot == NULL)
{
- sgot = bfd_get_section_by_name (dynobj, ".got");
+ sgot = bfd_get_linker_section (dynobj, ".got");
BFD_ASSERT (sgot != NULL);
}
if (srelgot == NULL
&& (h != NULL || info->executable))
{
- srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
+ srelgot = bfd_get_linker_section (dynobj, ".rela.got");
if (srelgot == NULL)
{
- srelgot = bfd_make_section_with_flags (dynobj,
- ".rela.got",
- (SEC_ALLOC
- | SEC_LOAD
- | SEC_HAS_CONTENTS
- | SEC_IN_MEMORY
- | SEC_LINKER_CREATED
- | SEC_READONLY));
+ flagword flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
+ | SEC_IN_MEMORY | SEC_LINKER_CREATED
+ | SEC_READONLY);
+ srelgot = bfd_make_section_anyway_with_flags (dynobj,
+ ".rela.got",
+ flags);
if (srelgot == NULL
|| ! bfd_set_section_alignment (dynobj, srelgot, 2))
goto fail;
/* We only care about the addend, where the difference between
expressions is kept. */
Rvalue = 0;
-
+
default:
break;
}
| ((Rvalue >> 16) & 0xf)), hit_data);
bfd_put_16 (input_bfd, (Rvalue) & 0xffff, hit_data + 2);
}
- else if (r_type == R_CR16_GOT_REGREL20)
+ else if (r_type == R_CR16_GOT_REGREL20)
{
- asection * sgot = bfd_get_section_by_name (dynobj, ".got");
+ asection * sgot = bfd_get_linker_section (dynobj, ".got");
if (h != NULL)
{
-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.
+ this entry in the global offset table.
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. */
Rvalue += addend;
- /* REVISIT: if ((long) Rvalue > 0xffffff ||
+ /* REVISIT: if ((long) Rvalue > 0xffffff ||
(long) Rvalue < -0x800000). */
if ((long) Rvalue > 0xffffff || (long) Rvalue < 0)
return bfd_reloc_overflow;
else if (r_type == R_CR16_GOTC_REGREL20)
{
asection * sgot;
- sgot = bfd_get_section_by_name (dynobj, ".got");
+ sgot = bfd_get_linker_section (dynobj, ".got");
if (h != NULL)
{
-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.
+ this entry in the global offset table.
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. */
Rvalue += Rvalue1;
/* Check for range. */
- /* REVISIT: if ((long) Rvalue > 0xffffff
+ /* REVISIT: if ((long) Rvalue > 0xffffff
|| (long) Rvalue < -0x800000). */
if ((long) Rvalue > 0xffffff || (long) Rvalue < 0)
return bfd_reloc_overflow;
}
else if (r_type == R_CR16_NUM32)
{
- Rvalue1 = (bfd_get_32 (input_bfd, hit_data));
+ Rvalue1 = (bfd_get_32 (input_bfd, hit_data));
/* Add or subtract the offset value */
if (Rvalue1 & 0x80000000)
&& ELF32_R_TYPE (irel->r_info) != (int) R_CR16_SWITCH16
&& ELF32_R_TYPE (irel->r_info) != (int) R_CR16_SWITCH32)
continue;
-
+
r_symndx = ELF32_R_SYM (irel->r_info);
rsym = (Elf_Internal_Sym *) symtab_hdr->contents + r_symndx;
}
else
{
- bfd_boolean unresolved_reloc, warned;
+ bfd_boolean unresolved_reloc, warned, ignored;
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
r_symndx, symtab_hdr, sym_hashes,
h, sec, relocation,
- unresolved_reloc, warned);
+ unresolved_reloc, warned, ignored);
}
if (sec != NULL && discarded_section (sec))
struct elf_link_hash_table *ret;
bfd_size_type amt = sizeof (struct elf_link_hash_table);
- ret = (struct elf_link_hash_table *) bfd_malloc (amt);
+ ret = (struct elf_link_hash_table *) bfd_zmalloc (amt);
if (ret == (struct elf_link_hash_table *) NULL)
return NULL;
return &ret->root;
}
-/* Free an cr16 ELF linker hash table. */
-
-static void
-elf32_cr16_link_hash_table_free (struct bfd_link_hash_table *hash)
-{
- struct elf_link_hash_table *ret
- = (struct elf_link_hash_table *) hash;
-
- _bfd_generic_link_hash_table_free
- ((struct bfd_link_hash_table *) ret);
-}
-
static unsigned long
elf_cr16_mach (flagword flags)
{
bfd_vma value = symval;
unsigned short is_add_mov = 0;
bfd_vma value1 = 0;
-
+
/* Get the existing value from the mcode */
value1 = ((bfd_get_32 (abfd, contents + irel->r_offset + 2) >> 16)
|(((bfd_get_32 (abfd, contents + irel->r_offset + 2) & 0xffff) << 16)));
/* Verify it's a 'arithmetic ADDD or MOVD instruction'.
For ADDD and MOVD only, convert to IMM32 -> IMM20. */
-
+
if (((code & 0xfff0) == 0x0070) || ((code & 0xfff0) == 0x0020))
is_add_mov = 1;
bfd_put_8 (abfd, (code & 0xf) << 4, contents + irel->r_offset);
- /* If existing value is nagavive adjust approriately
+ /* If existing value is nagavive adjust approriately
place the 16-20bits (ie 4 bit) in new opcode,
as the 0xffffxxxx, the higher 2 byte values removed. */
if (value1 & 0x80000000)
}
/* See if the value will fit in 16 bits. */
- if ((!is_add_mov)
+ if ((!is_add_mov)
&& ((long)(value + value1) < 0x7fff && (long)(value + value1) > 0))
{
unsigned short code;
bfd_put_8 (abfd, 0xb0 | (code & 0xf), contents + irel->r_offset);
- /* If existing value is nagavive adjust approriately
+ /* If existing value is nagavive adjust approriately
place the 12-16bits (ie 4 bit) in new opcode,
as the 0xfffffxxx, the higher 2 byte values removed. */
if (value1 & 0x80000000)
#if 0
/* Try to turn a 16bit immediate address into a 4bit
immediate address. */
- if ((ELF32_R_TYPE (irel->r_info) == (int) R_CR16_IMM20)
+ if ((ELF32_R_TYPE (irel->r_info) == (int) R_CR16_IMM20)
|| (ELF32_R_TYPE (irel->r_info) == (int) R_CR16_IMM16))
{
bfd_vma value = symval;
else
/* Cache the section contents for elf_link_input_bfd. */
elf_section_data (sec)->this_hdr.contents = contents;
-
+
}
if (internal_relocs != NULL
flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
| SEC_LINKER_CREATED);
- s = bfd_make_section_with_flags (abfd,
- (bed->default_use_rela_p
- ? ".rela.plt" : ".rel.plt"),
- flags | SEC_READONLY);
+ s = bfd_make_section_anyway_with_flags (abfd,
+ (bed->default_use_rela_p
+ ? ".rela.plt" : ".rel.plt"),
+ flags | SEC_READONLY);
if (s == NULL
|| ! bfd_set_section_alignment (abfd, s, ptralign))
return FALSE;
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);
if (s == NULL)
return FALSE;
copy relocs. */
if (! info->executable)
{
- 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);
if (s == NULL
|| ! bfd_set_section_alignment (abfd, s, ptralign))
return FALSE;
/* 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");
+ s = bfd_get_linker_section (dynobj, ".got.plt");
BFD_ASSERT (s != NULL);
s->size += 4;
/* We also need to make an entry in the .rela.plt section. */
- s = bfd_get_section_by_name (dynobj, ".rela.plt");
+ s = bfd_get_linker_section (dynobj, ".rela.plt");
BFD_ASSERT (s != NULL);
s->size += sizeof (Elf32_External_Rela);
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");
+ s = bfd_get_linker_section (dynobj, ".dynbss");
BFD_ASSERT (s != NULL);
/* We must generate a R_CR16_COPY reloc to tell the dynamic linker to
{
asection * srel;
- srel = bfd_get_section_by_name (dynobj, ".rela.bss");
+ srel = bfd_get_linker_section (dynobj, ".rela.bss");
BFD_ASSERT (srel != NULL);
srel->size += sizeof (Elf32_External_Rela);
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 (info->executable)
{
#if 0
- 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;
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");
+ s = bfd_get_linker_section (dynobj, ".rela.got");
if (s != NULL)
s->size = 0;
}
/* This symbol has an entry in the global offset table. Set it up. */
- sgot = bfd_get_section_by_name (dynobj, ".got");
- srel = bfd_get_section_by_name (dynobj, ".rela.got");
+ sgot = bfd_get_linker_section (dynobj, ".got");
+ srel = bfd_get_linker_section (dynobj, ".rela.got");
BFD_ASSERT (sgot != NULL && srel != NULL);
rel.r_offset = (sgot->output_section->vma
&& (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 (dynobj, ".rela.bss");
BFD_ASSERT (s != NULL);
rel.r_offset = (h->root.u.def.value
}
/* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
- if (strcmp (h->root.root.string, "_DYNAMIC") == 0
+ if (h == elf_hash_table (info)->hdynamic
|| h == elf_hash_table (info)->hgot)
sym->st_shndx = SHN_ABS;
dynobj = elf_hash_table (info)->dynobj;
- sgot = bfd_get_section_by_name (dynobj, ".got.plt");
+ sgot = bfd_get_linker_section (dynobj, ".got.plt");
BFD_ASSERT (sgot != NULL);
- sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
+ sdyn = bfd_get_linker_section (dynobj, ".dynamic");
if (elf_hash_table (info)->dynamic_sections_created)
{
properly. */
static enum elf_reloc_type_class
-_bfd_cr16_elf_reloc_type_class (const Elf_Internal_Rela *rela)
+_bfd_cr16_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))
{
}
/* Definitions for setting CR16 target vector. */
-#define TARGET_LITTLE_SYM bfd_elf32_cr16_vec
+#define TARGET_LITTLE_SYM cr16_elf32_vec
#define TARGET_LITTLE_NAME "elf32-cr16"
#define ELF_ARCH bfd_arch_cr16
#define ELF_MACHINE_CODE EM_CR16
#define bfd_elf32_bfd_link_hash_table_create \
elf32_cr16_link_hash_table_create
-#define bfd_elf32_bfd_link_hash_table_free \
- elf32_cr16_link_hash_table_free
#define elf_backend_create_dynamic_sections \
_bfd_cr16_elf_create_dynamic_sections