summaryrefslogtreecommitdiffstats
path: root/binutils-2.22/bfd/elf32-cr16.c
diff options
context:
space:
mode:
Diffstat (limited to 'binutils-2.22/bfd/elf32-cr16.c')
-rw-r--r--binutils-2.22/bfd/elf32-cr16.c114
1 files changed, 39 insertions, 75 deletions
diff --git a/binutils-2.22/bfd/elf32-cr16.c b/binutils-2.22/bfd/elf32-cr16.c
index 0118131..97fa569 100644
--- a/binutils-2.22/bfd/elf32-cr16.c
+++ b/binutils-2.22/bfd/elf32-cr16.c
@@ -1,5 +1,5 @@
/* BFD back-end for National Semiconductor's CR16 ELF
- Copyright 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+ Copyright 2007, 2008, 2009, 2010, 2012 Free Software Foundation, Inc.
Written by M R Swami Reddy.
This file is part of BFD, the Binary File Descriptor library.
@@ -585,7 +585,7 @@ _bfd_cr16_elf_create_got_section (bfd * abfd, struct bfd_link_info * info)
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)
@@ -606,14 +606,14 @@ _bfd_cr16_elf_create_got_section (bfd * abfd, struct bfd_link_info * info)
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;
@@ -752,24 +752,22 @@ cr16_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
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;
@@ -1047,7 +1045,7 @@ cr16_elf_final_link_relocate (reloc_howto_type *howto,
}
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)
{
@@ -1096,7 +1094,7 @@ cr16_elf_final_link_relocate (reloc_howto_type *howto,
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)
{
@@ -1431,9 +1429,9 @@ elf32_cr16_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
unresolved_reloc, warned);
}
- if (sec != NULL && elf_discarded_section (sec))
+ if (sec != NULL && discarded_section (sec))
RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
- rel, relend, howto, contents);
+ rel, 1, relend, howto, 0, contents);
if (info->relocatable)
continue;
@@ -2278,10 +2276,10 @@ _bfd_cr16_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
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;
@@ -2289,32 +2287,6 @@ _bfd_cr16_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
if (! _bfd_cr16_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 = (char *) bfd_malloc (strlen (secname) + 6);
- strcpy (relname, ".rela");
- strcat (relname, secname);
-
- 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
@@ -2323,8 +2295,8 @@ _bfd_cr16_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
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;
@@ -2341,10 +2313,10 @@ _bfd_cr16_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
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;
@@ -2406,13 +2378,13 @@ _bfd_cr16_elf_adjust_dynamic_symbol (struct bfd_link_info * info,
/* 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);
@@ -2446,13 +2418,6 @@ _bfd_cr16_elf_adjust_dynamic_symbol (struct bfd_link_info * info,
if (!h->non_got_ref)
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
@@ -2463,18 +2428,18 @@ _bfd_cr16_elf_adjust_dynamic_symbol (struct bfd_link_info * info,
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
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;
- 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;
@@ -2504,7 +2469,7 @@ _bfd_cr16_elf_size_dynamic_sections (bfd * output_bfd,
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;
@@ -2518,7 +2483,7 @@ _bfd_cr16_elf_size_dynamic_sections (bfd * output_bfd,
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;
}
@@ -2673,8 +2638,8 @@ _bfd_cr16_elf_finish_dynamic_symbol (bfd * output_bfd,
/* 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
@@ -2718,8 +2683,7 @@ _bfd_cr16_elf_finish_dynamic_symbol (bfd * output_bfd,
&& (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
@@ -2753,9 +2717,9 @@ _bfd_cr16_elf_finish_dynamic_sections (bfd * output_bfd,
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)
{
generated by cgit v1.1 at 2025-08-04 20:07:04 +0000