/* i370-specific support for 32-bit ELF
- Copyright 1994, 1995, 1996, 1997, 1998, 2000, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 1994-2015 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Cygnus Support.
Hacked by Linas Vepstas for i370 linas@linas.org
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
/* This reloc does nothing. */
HOWTO (R_I370_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_I370_NONE", /* name */
FALSE, /* partial_inplace */
arelent *cache_ptr,
Elf_Internal_Rela *dst)
{
+ unsigned int r_type;
+
if (!i370_elf_howto_table[ R_I370_ADDR31 ])
/* Initialize howto table. */
i370_elf_howto_init ();
- BFD_ASSERT (ELF32_R_TYPE (dst->r_info) < (unsigned int) R_I370_max);
- cache_ptr->howto = i370_elf_howto_table[ELF32_R_TYPE (dst->r_info)];
+ r_type = ELF32_R_TYPE (dst->r_info);
+ if (r_type >= R_I370_max)
+ {
+ (*_bfd_error_handler) (_("%B: unrecognised I370 reloc number: %d"),
+ abfd, r_type);
+ bfd_set_error (bfd_error_bad_value);
+ r_type = R_I370_NONE;
+ }
+ cache_ptr->howto = i370_elf_howto_table[r_type];
}
/* Hack alert -- the following several routines look generic to me ...
newsect = hdr->bfd_section;
flags = bfd_get_section_flags (abfd, newsect);
- if (hdr->sh_flags & SHF_EXCLUDE)
- flags |= SEC_EXCLUDE;
-
if (hdr->sh_type == SHT_ORDERED)
flags |= SEC_SORT_ENTRIES;
flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
| SEC_LINKER_CREATED);
- s = bfd_make_section_with_flags (abfd, ".dynsbss",
- SEC_ALLOC | SEC_LINKER_CREATED);
+ s = bfd_make_section_anyway_with_flags (abfd, ".dynsbss",
+ SEC_ALLOC | SEC_LINKER_CREATED);
if (s == NULL)
return FALSE;
if (! info->shared)
{
- s = bfd_make_section_with_flags (abfd, ".rela.sbss",
- flags | SEC_READONLY);
+ s = bfd_make_section_anyway_with_flags (abfd, ".rela.sbss",
+ flags | SEC_READONLY);
if (s == NULL
|| ! bfd_set_section_alignment (abfd, s, 2))
return FALSE;
}
/* XXX beats me, seem to need a rela.text ... */
- s = bfd_make_section_with_flags (abfd, ".rela.text",
- flags | SEC_READONLY);
+ s = bfd_make_section_anyway_with_flags (abfd, ".rela.text",
+ flags | SEC_READONLY);
if (s == NULL
|| ! bfd_set_section_alignment (abfd, s, 2))
return FALSE;
&& h->ref_regular
&& !h->def_regular)));
- s = bfd_get_section_by_name (dynobj, ".rela.text");
+ s = bfd_get_linker_section (dynobj, ".rela.text");
BFD_ASSERT (s != NULL);
s->size += sizeof (Elf32_External_Rela);
if (info->shared)
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
only if there were actually SDAREL relocs for that symbol. */
if (h->size <= elf_gp_size (dynobj))
- s = bfd_get_section_by_name (dynobj, ".dynsbss");
+ s = bfd_get_linker_section (dynobj, ".dynsbss");
else
- s = bfd_get_section_by_name (dynobj, ".dynbss");
+ s = bfd_get_linker_section (dynobj, ".dynbss");
BFD_ASSERT (s != NULL);
/* We must generate a R_I370_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;
if (h->size <= elf_gp_size (dynobj))
- srel = bfd_get_section_by_name (dynobj, ".rela.sbss");
+ srel = bfd_get_linker_section (dynobj, ".rela.sbss");
else
- 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);
}
\f
/* Increment the index of a dynamic symbol by a given amount. Called
h->dynindx, *cp);
#endif
- if (h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
if (h->dynindx != -1)
h->dynindx += *cp;
/* Set the contents of the .interp section to the interpreter. */
if (info->executable)
{
- 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;
for (p = rela_sections; *p != NULL; p++)
{
- s = bfd_get_section_by_name (dynobj, *p);
+ s = bfd_get_linker_section (dynobj, *p);
if (s != NULL)
s->size = 0;
}
struct elf_link_hash_entry **sym_hashes;
const Elf_Internal_Rela *rel;
const Elf_Internal_Rela *rel_end;
- bfd_vma *local_got_offsets;
asection *sreloc;
if (info->relocatable)
dynobj = elf_hash_table (info)->dynobj;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (abfd);
- local_got_offsets = elf_local_got_offsets (abfd);
sreloc = NULL;
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;
}
if (info->shared)
#endif
if (sreloc == NULL)
{
- const char *name;
-
- name = (bfd_elf_string_from_elf_section
- (abfd,
- elf_elfheader (abfd)->e_shstrndx,
- elf_section_data (sec)->rel_hdr.sh_name));
- if (name == NULL)
- return FALSE;
+ sreloc = _bfd_elf_make_dynamic_reloc_section
+ (sec, dynobj, 2, abfd, /*rela?*/ TRUE);
- BFD_ASSERT (CONST_STRNEQ (name, ".rela")
- && strcmp (bfd_get_section_name (abfd, sec), name + 5) == 0);
-
- sreloc = bfd_get_section_by_name (dynobj, name);
if (sreloc == NULL)
- {
- flagword flags;
-
- flags = (SEC_HAS_CONTENTS | SEC_READONLY
- | SEC_IN_MEMORY | SEC_LINKER_CREATED);
- if ((sec->flags & SEC_ALLOC) != 0)
- flags |= SEC_ALLOC | SEC_LOAD;
- sreloc = bfd_make_section_with_flags (dynobj, name,
- flags);
- if (sreloc == NULL
- || ! bfd_set_section_alignment (dynobj, sreloc, 2))
- return FALSE;
- }
+ return FALSE;
}
sreloc->size += sizeof (Elf32_External_Rela);
{
asection *sdyn;
bfd *dynobj = elf_hash_table (info)->dynobj;
- asection *sgot = bfd_get_section_by_name (dynobj, ".got");
+ asection *sgot = bfd_get_linker_section (dynobj, ".got");
#ifdef DEBUG
fprintf (stderr, "i370_elf_finish_dynamic_sections called\n");
#endif
- sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
+ sdyn = bfd_get_linker_section (dynobj, ".dynamic");
if (elf_hash_table (info)->dynamic_sections_created)
{
asection *splt;
Elf32_External_Dyn *dyncon, *dynconend;
- splt = bfd_get_section_by_name (dynobj, ".plt");
+ splt = bfd_get_linker_section (dynobj, ".plt");
BFD_ASSERT (splt != NULL && sdyn != NULL);
dyncon = (Elf32_External_Dyn *) sdyn->contents;
/* Set up the section symbols for the output sections. */
- sdynsym = bfd_get_section_by_name (dynobj, ".dynsym");
+ sdynsym = bfd_get_linker_section (dynobj, ".dynsym");
BFD_ASSERT (sdynsym != NULL);
sym.st_size = 0;
sym.st_name = 0;
sym.st_info = ELF_ST_INFO (STB_LOCAL, STT_SECTION);
sym.st_other = 0;
+ sym.st_target_internal = 0;
for (s = output_bfd->sections; s != NULL; s = s->next)
{
{
Elf_Internal_Shdr *symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
- bfd *dynobj = elf_hash_table (info)->dynobj;
Elf_Internal_Rela *rel = relocs;
Elf_Internal_Rela *relend = relocs + input_section->reloc_count;
asection *sreloc = NULL;
- bfd_vma *local_got_offsets;
bfd_boolean ret = TRUE;
#ifdef DEBUG
/* Initialize howto table if needed. */
i370_elf_howto_init ();
- local_got_offsets = elf_local_got_offsets (input_bfd);
-
for (; rel < relend; rel++)
{
enum i370_reloc_type r_type = (enum i370_reloc_type) ELF32_R_TYPE (rel->r_info);
else
{
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+
+ if (info->wrap_hash != NULL
+ && (input_section->flags & SEC_DEBUGGING) != 0)
+ h = ((struct elf_link_hash_entry *)
+ unwrap_hash_lookup (info, input_bfd, &h->root));
+
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;
}
}
- 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)
continue;
case (int) R_I370_ADDR31:
case (int) R_I370_ADDR16:
if (info->shared
- && r_symndx != 0)
+ && r_symndx != STN_UNDEF)
{
Elf_Internal_Rela outrel;
bfd_byte *loc;
if (sreloc == NULL)
{
- const char *name;
-
- name = (bfd_elf_string_from_elf_section
- (input_bfd,
- elf_elfheader (input_bfd)->e_shstrndx,
- elf_section_data (input_section)->rel_hdr.sh_name));
- if (name == NULL)
+ sreloc = _bfd_elf_get_dynamic_reloc_section
+ (input_bfd, input_section, /*rela?*/ TRUE);
+ if (sreloc == NULL)
return FALSE;
-
- BFD_ASSERT (CONST_STRNEQ (name, ".rela")
- && strcmp (bfd_get_section_name (input_bfd,
- input_section),
- name + 5) == 0);
-
- sreloc = bfd_get_section_by_name (dynobj, name);
- BFD_ASSERT (sreloc != NULL);
}
skip = 0;
return ret;
}
\f
-#define TARGET_BIG_SYM bfd_elf32_i370_vec
+#define TARGET_BIG_SYM i370_elf32_vec
#define TARGET_BIG_NAME "elf32-i370"
#define ELF_ARCH bfd_arch_i370
#define ELF_MACHINE_CODE EM_S370
#define ELF_MACHINE_ALT1 EM_I370_OLD
#endif
#define ELF_MAXPAGESIZE 0x1000
-#define ELF_OSABI ELFOSABI_LINUX
+#define ELF_OSABI ELFOSABI_GNU
#define elf_info_to_howto i370_elf_info_to_howto
#define elf_backend_section_from_shdr i370_elf_section_from_shdr
#define elf_backend_adjust_dynamic_symbol i370_elf_adjust_dynamic_symbol
#define elf_backend_check_relocs i370_elf_check_relocs
-#define elf_backend_post_process_headers _bfd_elf_set_osabi
static int
i370_noop (void)
projects / deliverable / binutils-gdb.git / blobdiff