/* ELF executable support for BFD.
Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+ 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Free Software Foundation, Inc.
Written by Fred Fish @ Cygnus Support, from information published
asection *s;
bfd_size_type amt;
const bfd_target *target;
- const bfd_target * const *target_ptr;
preserve.marker = NULL;
&& (ebd->elf_machine_alt1 == 0
|| i_ehdrp->e_machine != ebd->elf_machine_alt1)
&& (ebd->elf_machine_alt2 == 0
- || i_ehdrp->e_machine != ebd->elf_machine_alt2))
- {
- if (ebd->elf_machine_code != EM_NONE)
- goto got_wrong_format_error;
-
- /* This is the generic ELF target. Let it match any ELF target
- for which we do not have a specific backend. */
- for (target_ptr = bfd_target_vector; *target_ptr != NULL; target_ptr++)
- {
- const struct elf_backend_data *back;
-
- if ((*target_ptr)->flavour != bfd_target_elf_flavour)
- continue;
- back = xvec_get_elf_backend_data (*target_ptr);
- if (back->s->arch_size != ARCH_SIZE)
- continue;
- if (back->elf_machine_code == i_ehdrp->e_machine
- || (back->elf_machine_alt1 != 0
- && back->elf_machine_alt1 == i_ehdrp->e_machine)
- || (back->elf_machine_alt2 != 0
- && back->elf_machine_alt2 == i_ehdrp->e_machine))
- {
- /* target_ptr is an ELF backend which matches this
- object file, so reject the generic ELF target. */
- goto got_wrong_format_error;
- }
- }
- }
+ || i_ehdrp->e_machine != ebd->elf_machine_alt2)
+ && ebd->elf_machine_code != EM_NONE)
+ goto got_wrong_format_error;
if (i_ehdrp->e_type == ET_EXEC)
abfd->flags |= EXEC_P;
}
if (ebd->elf_machine_code != EM_NONE
- && i_ehdrp->e_ident[EI_OSABI] != ebd->elf_osabi)
- {
- if (ebd->elf_osabi != ELFOSABI_NONE)
- goto got_wrong_format_error;
-
- /* This is an ELFOSABI_NONE ELF target. Let it match any ELF
- target of the compatible machine for which we do not have a
- backend with matching ELFOSABI. */
- for (target_ptr = bfd_target_vector;
- *target_ptr != NULL;
- target_ptr++)
- {
- const struct elf_backend_data *back;
-
- /* Skip this target and targets with incompatible byte
- order. */
- if (*target_ptr == target
- || (*target_ptr)->flavour != bfd_target_elf_flavour
- || (*target_ptr)->byteorder != target->byteorder
- || ((*target_ptr)->header_byteorder
- != target->header_byteorder))
- continue;
-
- back = xvec_get_elf_backend_data (*target_ptr);
- if (back->elf_osabi == i_ehdrp->e_ident[EI_OSABI]
- && (back->elf_machine_code == i_ehdrp->e_machine
- || (back->elf_machine_alt1 != 0
- && back->elf_machine_alt1 == i_ehdrp->e_machine)
- || (back->elf_machine_alt2 != 0
- && back->elf_machine_alt2 == i_ehdrp->e_machine)))
- {
- /* target_ptr is an ELF backend which matches this
- object file, so reject the ELFOSABI_NONE ELF target. */
- goto got_wrong_format_error;
- }
- }
- }
+ && i_ehdrp->e_ident[EI_OSABI] != ebd->elf_osabi
+ && ebd->elf_osabi != ELFOSABI_NONE)
+ goto got_wrong_format_error;
if (i_ehdrp->e_shoff != 0)
{
if (i_ehdrp->e_shnum == SHN_UNDEF)
{
i_ehdrp->e_shnum = i_shdr.sh_size;
- if (i_ehdrp->e_shnum != i_shdr.sh_size
- || i_ehdrp->e_shnum == 0)
+ if (i_ehdrp->e_shnum >= SHN_LORESERVE
+ || i_ehdrp->e_shnum != i_shdr.sh_size
+ || i_ehdrp->e_shnum == 0)
goto got_wrong_format_error;
}
elf_swap_shdr_out (abfd, &i_shdr, &x_shdr);
(*process) (&x_shdr, sizeof x_shdr, arg);
+ /* PR ld/12451:
+ Process the section's contents, if it has some. Read them in if necessary. */
if (i_shdr.contents)
(*process) (i_shdr.contents, i_shdr.sh_size, arg);
+ else if (i_shdr.sh_type != SHT_NOBITS)
+ {
+ asection *sec;
+
+ sec = bfd_section_from_elf_index (abfd, count);
+ if (sec != NULL)
+ {
+ if (sec->contents == NULL)
+ {
+ /* Force rereading from file. */
+ sec->flags &= ~SEC_IN_MEMORY;
+ if (! bfd_malloc_and_get_section (abfd, sec, & sec->contents))
+ continue;
+ }
+ if (sec->contents != NULL)
+ (*process) (sec->contents, i_shdr.sh_size, arg);
+ }
+ }
}
return TRUE;
else if (isym->st_shndx == SHN_COMMON)
{
sym->symbol.section = bfd_com_section_ptr;
+ if ((abfd->flags & BFD_PLUGIN) != 0)
+ {
+ asection *xc = bfd_get_section_by_name (abfd, "COMMON");
+
+ if (xc == NULL)
+ {
+ flagword flags = (SEC_ALLOC | SEC_IS_COMMON | SEC_KEEP
+ | SEC_EXCLUDE);
+ xc = bfd_make_section_with_flags (abfd, "COMMON", flags);
+ if (xc == NULL)
+ goto error_return;
+ }
+ sym->symbol.section = xc;
+ }
/* Elf puts the alignment into the `value' field, and
the size into the `size' field. BFD wants to see the
size in the value field, and doesn't care (at the
(*_bfd_error_handler)
(_("%s(%s): relocation %d has invalid symbol index %ld"),
abfd->filename, asect->name, i, ELF_R_SYM (rela.r_info));
- relent->sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr;
+ relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
}
else
{
(bfd *templ,
bfd_vma ehdr_vma,
bfd_vma *loadbasep,
- int (*target_read_memory) (bfd_vma, bfd_byte *, int))
+ int (*target_read_memory) (bfd_vma, bfd_byte *, bfd_size_type))
{
Elf_External_Ehdr x_ehdr; /* Elf file header, external form */
Elf_Internal_Ehdr i_ehdr; /* Elf file header, internal form */
projects / external / binutils.git / blobdiff