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Fix copying Solaris binaries with objcopy.
PR target/19938 bfd * elf-bbfd.h (struct elf_backend_data): New field: elf_strtab_flags. New field: elf_backend_set_special_section_info_and_link * elfxx-target.h (elf_backend_strtab_flags): Define if not already defined. (elf_backend_set_special_section_info_and_link): Define if not already defined. (elfNN_bed): Use elf_backend_set_special_section_info_and_link and elf_backend_strtab_flags macros to initialise fields in structure. * elf.c (_bfd_elf_make_section_from_shdr): Check for SHF_STRINGS being set even if SHF_MERGE is not set. (elf_fake_sections): Likewise. (section_match): New function. Matches two ELF sections based upon fixed characteristics. (find_link): New function. Locates a section in a BFD that matches a section in a different BFD. (_bfd_elf_copy_private_bfd_data): Copy the sh_info and sh_link fields of reserved sections. (bfd_elf_compute_section_file_positions): Set the flags for the .shstrtab section based upon the elf_strtab_flags field in the elf_backend_data structure. (swap_out_syms): Likewise for the .strtab section. * elflink.c (bfd_elf_final_link): Set the flags for the .strtab section based upon the elf_strtab_flags field in the elf_backend_data structure. * elf32-i386.c (elf32_i386_set_special_info_link): New function. (elf_backend_strtab_flags): Set to SHF_STRINGS for Solaris targets. (elf_backend_set_special_section_info_and_link): Define for Solaris targets. * elf32-sparc.c: Likewise. * elf64-x86-64.c: Likewise. binutils* testsuite/binutils-all/i386/compressed-1b.d: Allow for the string sections possibly having the SHF_STRINGS flag bit set. * testsuite/binutils-all/i386/compressed-1c.d: Likewise. * testsuite/binutils-all/readelf.s: Likewise. * testsuite/binutils-all/readelf.s-64: Likewise. * testsuite/binutils-all/x86-64/compressed-1b.d: Likewise. * testsuite/binutils-all/x86-64/compressed-1c.d: Likewise. gas * testsuite/gas/i386/ilp32/x86-64-unwind.d: Allow for the string sections possibly having the SHF_STRINGS flag bit set. * testsuite/gas/i386/x86-64-unwind.d: Likewise.
This commit is contained in:
Nick Clifton
parent
8dc483a0b6
commit
8486501545
@ -1,3 +1,39 @@
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2016-04-14 Nick Clifton <nickc@redhat.com>
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PR target/19938
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* elf-bbfd.h (struct elf_backend_data): New field:
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elf_strtab_flags.
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New field: elf_backend_set_special_section_info_and_link
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* elfxx-target.h (elf_backend_strtab_flags): Define if not already
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defined.
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(elf_backend_set_special_section_info_and_link): Define if not
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already defined.
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(elfNN_bed): Use elf_backend_set_special_section_info_and_link and
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elf_backend_strtab_flags macros to initialise fields in structure.
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* elf.c (_bfd_elf_make_section_from_shdr): Check for SHF_STRINGS
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being set even if SHF_MERGE is not set.
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(elf_fake_sections): Likewise.
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(section_match): New function. Matches two ELF sections based
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upon fixed characteristics.
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(find_link): New function. Locates a section in a BFD that
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matches a section in a different BFD.
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(_bfd_elf_copy_private_bfd_data): Copy the sh_info and sh_link
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fields of reserved sections.
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(bfd_elf_compute_section_file_positions): Set the flags for the
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.shstrtab section based upon the elf_strtab_flags field in the
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elf_backend_data structure.
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(swap_out_syms): Likewise for the .strtab section.
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* elflink.c (bfd_elf_final_link): Set the flags for the
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.strtab section based upon the elf_strtab_flags field in the
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elf_backend_data structure.
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* elf32-i386.c (elf32_i386_set_special_info_link): New function.
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(elf_backend_strtab_flags): Set to SHF_STRINGS for Solaris
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targets.
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(elf_backend_set_special_section_info_and_link): Define for
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Solaris targets.
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* elf32-sparc.c: Likewise.
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* elf64-x86-64.c: Likewise.
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2016-04-11 H.J. Lu <hongjiu.lu@intel.com>
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PR ld/19939
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@ -1300,6 +1300,14 @@ struct elf_backend_data
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/* Return the section which RELOC_SEC applies to. */
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asection *(*get_reloc_section) (asection *reloc_sec);
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/* Called when setting the sh_link and sh_info fields of a section with a
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type >= SHT_LOOS. Returns TRUE if these fields were initialised in
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OHEADER, FALSE otherwise. IHEADER is the best guess matching section
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from the input bfd IBFD. */
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bfd_boolean (*elf_backend_set_special_section_info_and_link)
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(const bfd *ibfd, bfd *obfd, const Elf_Internal_Shdr *iheader,
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Elf_Internal_Shdr *oheader);
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/* Used to handle bad SHF_LINK_ORDER input. */
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bfd_error_handler_type link_order_error_handler;
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@ -1361,6 +1369,9 @@ struct elf_backend_data
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/* Alignment for the PT_GNU_STACK segment. */
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unsigned stack_align;
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/* Flag bits to assign to a section of type SHT_STRTAB. */
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unsigned long elf_strtab_flags;
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/* This is TRUE if the linker should act like collect and gather
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global constructors and destructors by name. This is TRUE for
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MIPS ELF because the Irix 5 tools can not handle the .init
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221
bfd/elf.c
221
bfd/elf.c
@ -970,9 +970,9 @@ _bfd_elf_make_section_from_shdr (bfd *abfd,
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{
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flags |= SEC_MERGE;
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newsect->entsize = hdr->sh_entsize;
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if ((hdr->sh_flags & SHF_STRINGS) != 0)
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flags |= SEC_STRINGS;
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}
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if ((hdr->sh_flags & SHF_STRINGS) != 0)
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flags |= SEC_STRINGS;
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if (hdr->sh_flags & SHF_GROUP)
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if (!setup_group (abfd, hdr, newsect))
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return FALSE;
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@ -1175,7 +1175,8 @@ _bfd_elf_make_section_from_shdr (bfd *abfd,
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return TRUE;
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}
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const char *const bfd_elf_section_type_names[] = {
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const char *const bfd_elf_section_type_names[] =
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{
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"SHT_NULL", "SHT_PROGBITS", "SHT_SYMTAB", "SHT_STRTAB",
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"SHT_RELA", "SHT_HASH", "SHT_DYNAMIC", "SHT_NOTE",
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"SHT_NOBITS", "SHT_REL", "SHT_SHLIB", "SHT_DYNSYM",
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@ -1212,14 +1213,62 @@ bfd_elf_generic_reloc (bfd *abfd ATTRIBUTE_UNUSED,
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return bfd_reloc_continue;
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}
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/* Returns TRUE if section A matches section B.
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Names, addresses and links may be different, but everything else
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should be the same. */
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static bfd_boolean
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section_match (Elf_Internal_Shdr * a, Elf_Internal_Shdr * b)
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{
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return
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a->sh_type == b->sh_type
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&& a->sh_flags == b->sh_flags
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&& a->sh_addralign == b->sh_addralign
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&& a->sh_size == b->sh_size
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&& a->sh_entsize == b->sh_entsize
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/* FIXME: Check sh_addr ? */
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;
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}
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/* Find a section in OBFD that has the same characteristics
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as IHEADER. Return the index of this section or SHN_UNDEF if
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none can be found. Check's section HINT first, as this is likely
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to be the correct section. */
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static unsigned int
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find_link (bfd * obfd, Elf_Internal_Shdr * iheader, unsigned int hint)
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{
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Elf_Internal_Shdr ** oheaders = elf_elfsections (obfd);
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unsigned int i;
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if (section_match (oheaders[hint], iheader))
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return hint;
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for (i = 1; i < elf_numsections (obfd); i++)
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{
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Elf_Internal_Shdr * oheader = oheaders[i];
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if (section_match (oheader, iheader))
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/* FIXME: Do we care if there is a potential for
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multiple matches ? */
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return i;
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}
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return SHN_UNDEF;
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}
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/* Copy the program header and other data from one object module to
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another. */
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bfd_boolean
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_bfd_elf_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
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{
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Elf_Internal_Shdr ** iheaders = elf_elfsections (ibfd);
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Elf_Internal_Shdr ** oheaders = elf_elfsections (obfd);
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unsigned int i;
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if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
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|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
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|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
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return TRUE;
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if (!elf_flags_init (obfd))
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@ -1237,59 +1286,126 @@ _bfd_elf_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
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/* Copy object attributes. */
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_bfd_elf_copy_obj_attributes (ibfd, obfd);
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/* This is an feature for objcopy --only-keep-debug: When a section's type
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is changed to NOBITS, we preserve the sh_link and sh_info fields so that
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they can be matched up with the original. */
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Elf_Internal_Shdr ** iheaders = elf_elfsections (ibfd);
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Elf_Internal_Shdr ** oheaders = elf_elfsections (obfd);
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if (iheaders == NULL || oheaders == NULL)
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return TRUE;
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if (iheaders != NULL && oheaders != NULL)
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/* Possibly copy the sh_info and sh_link fields. */
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for (i = 1; i < elf_numsections (obfd); i++)
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{
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unsigned int i;
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unsigned int j;
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Elf_Internal_Shdr * oheader = oheaders[i];
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for (i = 0; i < elf_numsections (obfd); i++)
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if (oheader == NULL
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|| (oheader->sh_type != SHT_NOBITS
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&& oheader->sh_type < SHT_LOOS)
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|| oheader->sh_size == 0
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|| (oheader->sh_info != 0 && oheader->sh_link != 0))
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continue;
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/* Scan for the matching section in the input bfd.
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FIXME: We could use something better than a linear scan here.
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Unfortunately we cannot compare names as the output string table
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is empty, so instead we check size, address and type. */
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for (j = 1; j < elf_numsections (ibfd); j++)
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{
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unsigned int j;
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Elf_Internal_Shdr * oheader = oheaders[i];
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Elf_Internal_Shdr * iheader = iheaders[j];
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if (oheader == NULL
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|| oheader->sh_type != SHT_NOBITS
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|| oheader->sh_size == 0
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|| (oheader->sh_info != 0 && oheader->sh_link != 0))
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continue;
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/* Scan for the matching section in the input bfd.
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FIXME: We could use something better than a linear scan here.
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Unfortunately we cannot compare names as the output string table
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is empty, so instead we check size, address and type. */
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for (j = 0; j < elf_numsections (ibfd); j++)
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/* Since --only-keep-debug turns all non-debug sections into
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SHT_NOBITS sections, the output SHT_NOBITS type matches any
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input type. */
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if ((oheader->sh_type == SHT_NOBITS
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|| iheader->sh_type == oheader->sh_type)
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&& iheader->sh_flags == oheader->sh_flags
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&& iheader->sh_addralign == oheader->sh_addralign
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&& iheader->sh_entsize == oheader->sh_entsize
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&& iheader->sh_size == oheader->sh_size
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&& iheader->sh_addr == oheader->sh_addr
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&& (iheader->sh_info != oheader->sh_info
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|| iheader->sh_link != oheader->sh_link))
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{
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Elf_Internal_Shdr * iheader = iheaders[j];
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/* Since --only-keep-debug turns all non-debug sections
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into SHT_NOBITS sections, the output SHT_NOBITS type
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matches any input type. */
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if ((oheader->sh_type == SHT_NOBITS
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|| iheader->sh_type == oheader->sh_type)
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&& iheader->sh_flags == oheader->sh_flags
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&& iheader->sh_addralign == oheader->sh_addralign
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&& iheader->sh_entsize == oheader->sh_entsize
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&& iheader->sh_size == oheader->sh_size
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&& iheader->sh_addr == oheader->sh_addr
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&& (iheader->sh_info != oheader->sh_info
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|| iheader->sh_link != oheader->sh_link))
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/* PR 19938: Attempt to preserve the sh_link and sh_info fields
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of OS and Processor specific sections. We try harder for
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these sections, because this is not just about matching
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stripped binaries to their originals. */
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if (oheader->sh_type >= SHT_LOOS)
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{
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/* Note: Strictly speaking these assignments are wrong.
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const struct elf_backend_data *bed = get_elf_backend_data (obfd);
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bfd_boolean changed = FALSE;
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unsigned int link;
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/* Allow the target a chance to decide how these fields should
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be set. */
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if (bed->elf_backend_set_special_section_info_and_link != NULL
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&& bed->elf_backend_set_special_section_info_and_link
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(ibfd, obfd, iheader, oheader))
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break;
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/* We have iheader which matches oheader, but which has
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non-zero sh_info and/or sh_link fields. Attempt to
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follow those links and find the section in the output
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bfd which corresponds to the linked section in the input
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bfd. */
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if (iheader->sh_link != SHN_UNDEF)
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{
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link = find_link (obfd, iheaders[iheader->sh_link],
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iheader->sh_link);
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if (link != SHN_UNDEF)
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{
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oheader->sh_link = link;
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changed = TRUE;
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}
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else
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/* FIXME: Should we install iheader->sh_link
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if we could not find a match ? */
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(* _bfd_error_handler)
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(_("%B: Failed to find link section for section %d"),
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obfd, i);
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}
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if (iheader->sh_info)
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{
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/* The sh_info field can hold arbitrary information,
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but if the SHF_LINK_INFO flag is set then it
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should be interpreted as a section index. */
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if (iheader->sh_flags & SHF_INFO_LINK)
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link = find_link (obfd, iheaders[iheader->sh_info],
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iheader->sh_info);
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else
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/* No idea what it means - just copy it. */
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link = iheader->sh_info;
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if (link != SHN_UNDEF)
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{
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oheader->sh_info = link;
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changed = TRUE;
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}
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else
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(* _bfd_error_handler)
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(_("%B: Failed to find info section for section %d"),
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obfd, i);
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}
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if (changed)
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break;
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}
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else
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{
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/* This is an feature for objcopy --only-keep-debug:
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When a section's type is changed to NOBITS, we preserve
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the sh_link and sh_info fields so that they can be
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matched up with the original.
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Note: Strictly speaking these assignments are wrong.
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The sh_link and sh_info fields should point to the
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relevent sections in the output BFD, which may not be in
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the same location as they were in the input BFD. But the
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whole point of this action is to preserve the original
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values of the sh_link and sh_info fields, so that they
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can be matched up with the section headers in the
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original file. So strictly speaking we may be creating
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an invalid ELF file, but it is only for a file that just
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contains debug info and only for sections without any
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contents. */
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the same location as they were in the input BFD. But
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the whole point of this action is to preserve the
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original values of the sh_link and sh_info fields, so
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that they can be matched up with the section headers in
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the original file. So strictly speaking we may be
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creating an invalid ELF file, but it is only for a file
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that just contains debug info and only for sections
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without any contents. */
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if (oheader->sh_link == 0)
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oheader->sh_link = iheader->sh_link;
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if (oheader->sh_info == 0)
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@ -3099,9 +3215,9 @@ elf_fake_sections (bfd *abfd, asection *asect, void *fsarg)
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{
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this_hdr->sh_flags |= SHF_MERGE;
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this_hdr->sh_entsize = asect->entsize;
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if ((asect->flags & SEC_STRINGS) != 0)
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this_hdr->sh_flags |= SHF_STRINGS;
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}
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if ((asect->flags & SEC_STRINGS) != 0)
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this_hdr->sh_flags |= SHF_STRINGS;
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if ((asect->flags & SEC_GROUP) == 0 && elf_group_name (asect) != NULL)
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this_hdr->sh_flags |= SHF_GROUP;
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if ((asect->flags & SEC_THREAD_LOCAL) != 0)
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@ -3919,7 +4035,7 @@ _bfd_elf_compute_section_file_positions (bfd *abfd,
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shstrtab_hdr = &elf_tdata (abfd)->shstrtab_hdr;
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/* sh_name was set in prep_headers. */
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shstrtab_hdr->sh_type = SHT_STRTAB;
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shstrtab_hdr->sh_flags = 0;
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shstrtab_hdr->sh_flags = bed->elf_strtab_flags;
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shstrtab_hdr->sh_addr = 0;
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/* sh_size is set in _bfd_elf_assign_file_positions_for_non_load. */
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shstrtab_hdr->sh_entsize = 0;
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@ -7551,8 +7667,7 @@ Unable to find equivalent output section for symbol '%s' from section '%s'"),
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*sttp = stt;
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symstrtab_hdr->sh_size = _bfd_elf_strtab_size (stt);
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symstrtab_hdr->sh_type = SHT_STRTAB;
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symstrtab_hdr->sh_flags = 0;
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symstrtab_hdr->sh_flags = bed->elf_strtab_flags;
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symstrtab_hdr->sh_addr = 0;
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symstrtab_hdr->sh_entsize = 0;
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symstrtab_hdr->sh_link = 0;
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@ -6051,16 +6051,94 @@ elf_i386_fbsd_post_process_headers (bfd *abfd, struct bfd_link_info *info)
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/* The 32-bit static TLS arena size is rounded to the nearest 8-byte
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boundary. */
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#undef elf_backend_static_tls_alignment
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#undef elf_backend_static_tls_alignment
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#define elf_backend_static_tls_alignment 8
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/* The Solaris 2 ABI requires a plt symbol on all platforms.
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Cf. Linker and Libraries Guide, Ch. 2, Link-Editor, Generating the Output
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File, p.63. */
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#undef elf_backend_want_plt_sym
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#undef elf_backend_want_plt_sym
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#define elf_backend_want_plt_sym 1
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#undef elf_backend_strtab_flags
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#define elf_backend_strtab_flags SHF_STRINGS
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static bfd_boolean
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elf32_i386_set_special_info_link (const bfd *ibfd ATTRIBUTE_UNUSED,
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bfd *obfd ATTRIBUTE_UNUSED,
|
||||
const Elf_Internal_Shdr *isection ATTRIBUTE_UNUSED,
|
||||
Elf_Internal_Shdr *osection ATTRIBUTE_UNUSED)
|
||||
{
|
||||
/* PR 19938: FIXME: Need to add code for setting the sh_info
|
||||
and sh_link fields of Solaris specific section types.
|
||||
|
||||
Based upon Oracle Solaris 11.3 Linkers and Libraries Guide, Ch. 13,
|
||||
Object File Format, Table 13-9 ELF sh_link and sh_info Interpretation:
|
||||
|
||||
http://docs.oracle.com/cd/E53394_01/html/E54813/chapter6-94076.html#scrolltoc
|
||||
|
||||
The following values should be set:
|
||||
|
||||
Type Link Info
|
||||
-----------------------------------------------------------------------------
|
||||
SHT_SUNW_ancillary The section header index of 0
|
||||
[0x6fffffee] the associated string table.
|
||||
|
||||
SHT_SUNW_capinfo The section header index of For a dynamic object, the
|
||||
[0x6ffffff0] the associated symbol table. section header index of
|
||||
the associated
|
||||
SHT_SUNW_capchain table,
|
||||
otherwise 0.
|
||||
|
||||
SHT_SUNW_symsort The section header index of 0
|
||||
[0x6ffffff1] the associated symbol table.
|
||||
|
||||
SHT_SUNW_tlssort The section header index of 0
|
||||
[0x6ffffff2] the associated symbol table.
|
||||
|
||||
SHT_SUNW_LDYNSYM The section header index of One greater than the
|
||||
[0x6ffffff3] the associated string table. symbol table index of the
|
||||
This index is the same string last local symbol,
|
||||
table used by the SHT_DYNSYM STB_LOCAL. Since
|
||||
section. SHT_SUNW_LDYNSYM only
|
||||
contains local symbols,
|
||||
sh_info is equivalent to
|
||||
the number of symbols in
|
||||
the table.
|
||||
|
||||
SHT_SUNW_cap If symbol capabilities exist, If any capabilities refer
|
||||
[0x6ffffff5] the section header index of to named strings, the
|
||||
the associated section header index of
|
||||
SHT_SUNW_capinfo table, the associated string
|
||||
otherwise 0. table, otherwise 0.
|
||||
|
||||
SHT_SUNW_move The section header index of 0
|
||||
[0x6ffffffa] the associated symbol table.
|
||||
|
||||
SHT_SUNW_COMDAT 0 0
|
||||
[0x6ffffffb]
|
||||
|
||||
SHT_SUNW_syminfo The section header index of The section header index
|
||||
[0x6ffffffc] the associated symbol table. of the associated
|
||||
.dynamic section.
|
||||
|
||||
SHT_SUNW_verdef The section header index of The number of version
|
||||
[0x6ffffffd] the associated string table. definitions within the
|
||||
section.
|
||||
|
||||
SHT_SUNW_verneed The section header index of The number of version
|
||||
[0x6ffffffe] the associated string table. dependencies within the
|
||||
section.
|
||||
|
||||
SHT_SUNW_versym The section header index of 0
|
||||
[0x6fffffff] the associated symbol table. */
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
#undef elf_backend_set_special_section_info_and_link
|
||||
#define elf_backend_set_special_section_info_and_link elf32_i386_set_special_info_link
|
||||
|
||||
#include "elf32-target.h"
|
||||
|
||||
/* Intel MCU support. */
|
||||
@ -6077,7 +6155,7 @@ elf32_iamcu_elf_object_p (bfd *abfd)
|
||||
#define TARGET_LITTLE_SYM iamcu_elf32_vec
|
||||
#undef TARGET_LITTLE_NAME
|
||||
#define TARGET_LITTLE_NAME "elf32-iamcu"
|
||||
#undef ELF_ARCH
|
||||
#undef ELF_ARCH
|
||||
#define ELF_ARCH bfd_arch_iamcu
|
||||
|
||||
#undef ELF_MACHINE_CODE
|
||||
@ -6096,6 +6174,9 @@ elf32_iamcu_elf_object_p (bfd *abfd)
|
||||
#undef elf_backend_want_plt_sym
|
||||
#define elf_backend_want_plt_sym 0
|
||||
|
||||
#undef elf_backend_strtab_flags
|
||||
#undef elf_backend_set_special_section_info_and_link
|
||||
|
||||
#include "elf32-target.h"
|
||||
|
||||
/* Restore defaults. */
|
||||
|
||||
@ -258,9 +258,26 @@ elf32_sparc_add_symbol_hook (bfd * abfd,
|
||||
|
||||
/* The 32-bit static TLS arena size is rounded to the nearest 8-byte
|
||||
boundary. */
|
||||
#undef elf_backend_static_tls_alignment
|
||||
#undef elf_backend_static_tls_alignment
|
||||
#define elf_backend_static_tls_alignment 8
|
||||
|
||||
#undef elf_backend_strtab_flags
|
||||
#define elf_backend_strtab_flags SHF_STRINGS
|
||||
|
||||
static bfd_boolean
|
||||
elf32_sparc_set_special_info_link (const bfd *ibfd ATTRIBUTE_UNUSED,
|
||||
bfd *obfd ATTRIBUTE_UNUSED,
|
||||
const Elf_Internal_Shdr *isection ATTRIBUTE_UNUSED,
|
||||
Elf_Internal_Shdr *osection ATTRIBUTE_UNUSED)
|
||||
{
|
||||
/* PR 19938: FIXME: Need to add code for setting the sh_info
|
||||
and sh_link fields of Solaris specific section types. */
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
#undef elf_backend_set_special_section_info_and_link
|
||||
#define elf_backend_set_special_section_info_and_link elf32_sparc_set_special_info_link
|
||||
|
||||
#include "elf32-target.h"
|
||||
|
||||
/* A wrapper around _bfd_sparc_elf_link_hash_table_create that identifies
|
||||
@ -292,39 +309,41 @@ elf32_sparc_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker)
|
||||
elf_vxworks_final_write_processing (abfd, linker);
|
||||
}
|
||||
|
||||
#undef TARGET_BIG_SYM
|
||||
#undef TARGET_BIG_SYM
|
||||
#define TARGET_BIG_SYM sparc_elf32_vxworks_vec
|
||||
#undef TARGET_BIG_NAME
|
||||
#undef TARGET_BIG_NAME
|
||||
#define TARGET_BIG_NAME "elf32-sparc-vxworks"
|
||||
|
||||
#undef ELF_MINPAGESIZE
|
||||
#undef ELF_MINPAGESIZE
|
||||
#define ELF_MINPAGESIZE 0x1000
|
||||
|
||||
#undef bfd_elf32_bfd_link_hash_table_create
|
||||
#define bfd_elf32_bfd_link_hash_table_create \
|
||||
elf32_sparc_vxworks_link_hash_table_create
|
||||
|
||||
#undef elf_backend_want_got_plt
|
||||
#undef elf_backend_want_got_plt
|
||||
#define elf_backend_want_got_plt 1
|
||||
#undef elf_backend_plt_readonly
|
||||
#undef elf_backend_plt_readonly
|
||||
#define elf_backend_plt_readonly 1
|
||||
#undef elf_backend_got_header_size
|
||||
#undef elf_backend_got_header_size
|
||||
#define elf_backend_got_header_size 12
|
||||
#undef elf_backend_add_symbol_hook
|
||||
#undef elf_backend_add_symbol_hook
|
||||
#define elf_backend_add_symbol_hook \
|
||||
elf_vxworks_add_symbol_hook
|
||||
#undef elf_backend_link_output_symbol_hook
|
||||
#undef elf_backend_link_output_symbol_hook
|
||||
#define elf_backend_link_output_symbol_hook \
|
||||
elf_vxworks_link_output_symbol_hook
|
||||
#undef elf_backend_emit_relocs
|
||||
#undef elf_backend_emit_relocs
|
||||
#define elf_backend_emit_relocs \
|
||||
elf_vxworks_emit_relocs
|
||||
#undef elf_backend_final_write_processing
|
||||
#undef elf_backend_final_write_processing
|
||||
#define elf_backend_final_write_processing \
|
||||
elf32_sparc_vxworks_final_write_processing
|
||||
#undef elf_backend_static_tls_alignment
|
||||
#undef elf_backend_static_tls_alignment
|
||||
#undef elf_backend_strtab_flags
|
||||
#undef elf_backend_set_special_section_info_and_link
|
||||
|
||||
#undef elf32_bed
|
||||
#undef elf32_bed
|
||||
#define elf32_bed sparc_elf_vxworks_bed
|
||||
|
||||
#include "elf32-target.h"
|
||||
|
||||
@ -6708,16 +6708,33 @@ static const struct bfd_elf_special_section
|
||||
|
||||
/* The 64-bit static TLS arena size is rounded to the nearest 16-byte
|
||||
boundary. */
|
||||
#undef elf_backend_static_tls_alignment
|
||||
#undef elf_backend_static_tls_alignment
|
||||
#define elf_backend_static_tls_alignment 16
|
||||
|
||||
/* The Solaris 2 ABI requires a plt symbol on all platforms.
|
||||
|
||||
Cf. Linker and Libraries Guide, Ch. 2, Link-Editor, Generating the Output
|
||||
File, p.63. */
|
||||
#undef elf_backend_want_plt_sym
|
||||
#undef elf_backend_want_plt_sym
|
||||
#define elf_backend_want_plt_sym 1
|
||||
|
||||
#undef elf_backend_strtab_flags
|
||||
#define elf_backend_strtab_flags SHF_STRINGS
|
||||
|
||||
static bfd_boolean
|
||||
elf64_x86_64_set_special_info_link (const bfd *ibfd ATTRIBUTE_UNUSED,
|
||||
bfd *obfd ATTRIBUTE_UNUSED,
|
||||
const Elf_Internal_Shdr *isection ATTRIBUTE_UNUSED,
|
||||
Elf_Internal_Shdr *osection ATTRIBUTE_UNUSED)
|
||||
{
|
||||
/* PR 19938: FIXME: Need to add code for setting the sh_info
|
||||
and sh_link fields of Solaris specific section types. */
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
#undef elf_backend_set_special_section_info_and_link
|
||||
#define elf_backend_set_special_section_info_and_link elf64_x86_64_set_special_info_link
|
||||
|
||||
#include "elf64-target.h"
|
||||
|
||||
/* Native Client support. */
|
||||
@ -6749,6 +6766,8 @@ elf64_x86_64_nacl_elf_object_p (bfd *abfd)
|
||||
#undef elf_backend_static_tls_alignment
|
||||
#undef elf_backend_want_plt_sym
|
||||
#define elf_backend_want_plt_sym 0
|
||||
#undef elf_backend_strtab_flags
|
||||
#undef elf_backend_set_special_section_info_and_link
|
||||
|
||||
/* NaCl uses substantially different PLT entries for the same effects. */
|
||||
|
||||
|
||||
@ -11705,7 +11705,7 @@ bfd_elf_final_link (bfd *abfd, struct bfd_link_info *info)
|
||||
symstrtab_hdr = &elf_tdata (abfd)->strtab_hdr;
|
||||
/* sh_name was set in prep_headers. */
|
||||
symstrtab_hdr->sh_type = SHT_STRTAB;
|
||||
symstrtab_hdr->sh_flags = 0;
|
||||
symstrtab_hdr->sh_flags = bed->elf_strtab_flags;
|
||||
symstrtab_hdr->sh_addr = 0;
|
||||
symstrtab_hdr->sh_size = _bfd_elf_strtab_size (flinfo.symstrtab);
|
||||
symstrtab_hdr->sh_entsize = 0;
|
||||
|
||||
@ -123,6 +123,9 @@
|
||||
#ifndef elf_backend_stack_align
|
||||
#define elf_backend_stack_align 16
|
||||
#endif
|
||||
#ifndef elf_backend_strtab_flags
|
||||
#define elf_backend_strtab_flags 0
|
||||
#endif
|
||||
|
||||
#define bfd_elfNN_bfd_debug_info_start bfd_void
|
||||
#define bfd_elfNN_bfd_debug_info_end bfd_void
|
||||
@ -679,6 +682,10 @@
|
||||
#define elf_backend_get_reloc_section _bfd_elf_get_reloc_section
|
||||
#endif
|
||||
|
||||
#ifndef elf_backend_set_special_section_info_and_link
|
||||
#define elf_backend_set_special_section_info_and_link NULL
|
||||
#endif
|
||||
|
||||
#ifndef elf_backend_compact_eh_encoding
|
||||
#define elf_backend_compact_eh_encoding NULL
|
||||
#endif
|
||||
@ -786,6 +793,7 @@ static struct elf_backend_data elfNN_bed =
|
||||
elf_backend_is_function_type,
|
||||
elf_backend_maybe_function_sym,
|
||||
elf_backend_get_reloc_section,
|
||||
elf_backend_set_special_section_info_and_link,
|
||||
elf_backend_link_order_error_handler,
|
||||
elf_backend_relplt_name,
|
||||
ELF_MACHINE_ALT1,
|
||||
@ -804,6 +812,7 @@ static struct elf_backend_data elfNN_bed =
|
||||
elf_backend_cant_unwind_opcode,
|
||||
elf_backend_static_tls_alignment,
|
||||
elf_backend_stack_align,
|
||||
elf_backend_strtab_flags,
|
||||
elf_backend_collect,
|
||||
elf_backend_type_change_ok,
|
||||
elf_backend_may_use_rel_p,
|
||||
|
||||
@ -1,6 +1,17 @@
|
||||
2016-04-14 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
PR target/19938
|
||||
* testsuite/binutils-all/i386/compressed-1b.d: Allow for the
|
||||
string sections possibly having the SHF_STRINGS flag bit set.
|
||||
* testsuite/binutils-all/i386/compressed-1c.d: Likewise.
|
||||
* testsuite/binutils-all/readelf.s: Likewise.
|
||||
* testsuite/binutils-all/readelf.s-64: Likewise.
|
||||
* testsuite/binutils-all/x86-64/compressed-1b.d: Likewise.
|
||||
* testsuite/binutils-all/x86-64/compressed-1c.d: Likewise.
|
||||
|
||||
2016-04-13 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
PR target/19983
|
||||
PR target/19938
|
||||
* readelf.c (get_solaris_section_type): New function: Returns the
|
||||
name of Solaris specific section types.
|
||||
(get_solaris_dynamic_type): New function: Return the name of
|
||||
|
||||
@ -13,6 +13,6 @@ Section Headers:
|
||||
\[ 1\] .text PROGBITS 00000000 000040 00001b 00 AX 0 0 16
|
||||
\[ 2\] .data PROGBITS 00000000 00005b 000000 00 WA 0 0 1
|
||||
\[ 3\] .bss NOBITS 00000000 00005b 000000 00 WA 0 0 1
|
||||
\[ 4\] .shstrtab STRTAB 00000000 [0-9a-f]+ 00001c 00 0 0 1
|
||||
\[ 4\] .shstrtab STRTAB 00000000 [0-9a-f]+ 00001c 00 . 0 0 1
|
||||
Key to Flags:
|
||||
#...
|
||||
|
||||
@ -13,6 +13,6 @@ Section Headers:
|
||||
\[ 1\] .text PROGBITS 00000000 000040 00001b 00 AX 0 0 16
|
||||
\[ 2\] .data PROGBITS 00000000 00005b 000000 00 WA 0 0 1
|
||||
\[ 3\] .bss NOBITS 00000000 00005b 000000 00 WA 0 0 1
|
||||
\[ 4\] .shstrtab STRTAB 00000000 [0-9a-f]+ 00001c 00 0 0 1
|
||||
\[ 4\] .shstrtab STRTAB 00000000 [0-9a-f]+ 00001c 00 .* 0 0 1
|
||||
Key to Flags:
|
||||
#...
|
||||
|
||||
@ -14,8 +14,8 @@ Section Headers:
|
||||
# MIPS targets put .reginfo, .mdebug, .MIPS.abiflags and .gnu.attributes here.
|
||||
# v850 targets put .call_table_data and .call_table_text here.
|
||||
#...
|
||||
+\[ .\] .shstrtab +STRTAB +00000000 0+.* 0+.* 00 +0 +0 +.
|
||||
+\[ .\] .shstrtab +STRTAB +00000000 0+.* 0+.* 00 .* +0 +0 +.
|
||||
+\[..\] .symtab +SYMTAB +00000000 0+.* 0+.* 10 +.. +.+ +4
|
||||
+\[..\] .strtab +STRTAB +00000000 0+.* 0+.* 00 +0 +0 +1
|
||||
+\[..\] .strtab +STRTAB +00000000 0+.* 0+.* 00 .* +0 +0 +1
|
||||
Key to Flags:
|
||||
#...
|
||||
|
||||
@ -14,11 +14,11 @@ Section Headers:
|
||||
+\[ 4\] .bss +NOBITS +0000000000000000 +000000(4c|50|54|58)
|
||||
+0000000000000000 +0000000000000000 +WA +0 +0 +.*
|
||||
+\[ 5\] .shstrtab +STRTAB +0000000000000000 +[0-9a-f]+
|
||||
+00000000000000.. +0000000000000000 +0 +0 +.*
|
||||
+00000000000000.. +0000000000000000 .* +0 +0 +.*
|
||||
+\[ 6\] .symtab +SYMTAB +0000000000000000 +0+.*
|
||||
# aarch64-elf targets have one more data symbol.
|
||||
+0+.* +0000000000000018 +7 +(6|7) +8
|
||||
+\[ 7\] .strtab +STRTAB +0000000000000000 +0+.*
|
||||
+0+.* +0000000000000000 +0 +0 +1
|
||||
+0+.* +0000000000000000 .* +0 +0 +1
|
||||
Key to Flags:
|
||||
#...
|
||||
|
||||
@ -1,12 +1,12 @@
|
||||
/* This program is used to test objcopy, readelf and strip. */
|
||||
|
||||
extern int strcmp (char *, const char *);
|
||||
extern int strcmp (const char *, const char *);
|
||||
extern int printf (const char *, ...);
|
||||
|
||||
int common;
|
||||
int global = 1;
|
||||
static int local = 2;
|
||||
static char string[] = "string";
|
||||
static const char string[] = "string";
|
||||
|
||||
int
|
||||
fn (void)
|
||||
|
||||
@ -13,6 +13,6 @@ Section Headers:
|
||||
\[ 1\] .text PROGBITS 0000000000000000 000040 000015 00 AX 0 0 16
|
||||
\[ 2\] .data PROGBITS 0000000000000000 000055 000000 00 WA 0 0 1
|
||||
\[ 3\] .bss NOBITS 0000000000000000 000055 000000 00 WA 0 0 1
|
||||
\[ 4\] .shstrtab STRTAB 0000000000000000 [0-9a-f]+ 00001c 00 0 0 1
|
||||
\[ 4\] .shstrtab STRTAB 0000000000000000 [0-9a-f]+ 00001c 00 .* 0 0 1
|
||||
Key to Flags:
|
||||
#...
|
||||
|
||||
@ -13,6 +13,6 @@ Section Headers:
|
||||
\[ 1\] .text PROGBITS 0000000000000000 000040 000015 00 AX 0 0 16
|
||||
\[ 2\] .data PROGBITS 0000000000000000 000055 000000 00 WA 0 0 1
|
||||
\[ 3\] .bss NOBITS 0000000000000000 000055 000000 00 WA 0 0 1
|
||||
\[ 4\] .shstrtab STRTAB 0000000000000000 [0-9a-f]+ 00001c 00 0 0 1
|
||||
\[ 4\] .shstrtab STRTAB 0000000000000000 [0-9a-f]+ 00001c 00 .* 0 0 1
|
||||
Key to Flags:
|
||||
#...
|
||||
|
||||
@ -1,3 +1,10 @@
|
||||
2016-04-14 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
PR target/19938
|
||||
* testsuite/gas/i386/ilp32/x86-64-unwind.d: Allow for the string
|
||||
sections possibly having the SHF_STRINGS flag bit set.
|
||||
* testsuite/gas/i386/x86-64-unwind.d: Likewise.
|
||||
|
||||
2016-04-12 Claudiu Zissulescu <claziss@synopsys.com>
|
||||
|
||||
* config/tc-arc.c (mach_type_specified_p): Change type to
|
||||
|
||||
@ -11,8 +11,8 @@ Section Headers:
|
||||
\[ 2\] .data PROGBITS 00000000 000034 000000 00 WA 0 0 1
|
||||
\[ 3\] .bss NOBITS 00000000 000034 000000 00 WA 0 0 1
|
||||
\[ 4\] .eh_frame X86_64_UNWIND 00000000 000034 000008 00 A 0 0 1
|
||||
\[ 5\] .shstrtab STRTAB 00000000 [0-9a-f]+ 000036 00 0 0 1
|
||||
\[ 5\] .shstrtab STRTAB 00000000 [0-9a-f]+ 000036 00 . 0 0 1
|
||||
\[ 6\] .symtab SYMTAB 00000000 [0-9a-f]+ 000050 10 7 5 4
|
||||
\[ 7\] .strtab STRTAB 00000000 [0-9a-f]+ 000001 00 0 0 1
|
||||
\[ 7\] .strtab STRTAB 00000000 [0-9a-f]+ 000001 00 . 0 0 1
|
||||
Key to Flags:
|
||||
#pass
|
||||
|
||||
@ -17,10 +17,10 @@ Section Headers:
|
||||
\[ 4\] \.eh_frame X86_64_UNWIND 0000000000000000 00000040
|
||||
0000000000000008 0000000000000000 A 0 0 1
|
||||
\[ 5\] \.shstrtab STRTAB 0000000000000000 [0-9a-f]+
|
||||
0000000000000036 0000000000000000 0 0 1
|
||||
0000000000000036 0000000000000000 . 0 0 1
|
||||
\[ 6\] \.symtab SYMTAB 0000000000000000 [0-9a-f]+
|
||||
0000000000000078 0000000000000018 7 5 8
|
||||
\[ 7\] \.strtab STRTAB 0000000000000000 [0-9a-f]+
|
||||
0000000000000001 0000000000000000 0 0 1
|
||||
0000000000000001 0000000000000000 . 0 0 1
|
||||
Key to Flags:
|
||||
#...
|
||||
|
||||
Loading…
Reference in New Issue
Block a user