bfd/
PR binutils/14493
* elf.c (copy_elf_program_header): When rewriting program
header, set the output maxpagesize to the maximum alignment
of input PT_LOAD segments.
2012-11-21 H.J. Lu <hongjiu.lu@intel.com>
PR binutils/14493
* ld-elf/maxpage5.d: New file.
* ld-elf/maxpage5.s: Likewise.
* ld-elf/maxpage5.t: Likewise.
* linux-tdep.c (linux_make_siginfo_note): New function.
(linux_make_corefile_notes): Use it.
* corelow.c (get_core_siginfo): New function.
(core_xfer_partial) <TARGET_OBJECT_SIGNAL_INFO>: New case.
gdb/testsuite
* gdb.base/siginfo-obj.exp: Create core file. Test siginfo from
core files, if possible.
* gdb.base/siginfo-thread.c: New file
* gdb.base/siginfo-thread.exp: New file
bfd
* elf.c (elfcore_grok_note) <NT_SIGINFO>: New case; make
pseudosection.
* elf.c (IS_VALID_GROUP_SECTION_HEADER) Add minsize param.
(setup_group): Adjust uses.
(bfd_section_from_shdr): Allow SHT_GROUP sections with just a flag
word.
bfd/
* bfd.c (bfd_find_nearest_line_discriminator): New macro.
* coff-rs6000.c: Init _bfd_find_nearest_line_discriminator.
* coff64-rs6000.c: Likewise.
* dwarf2.c (struct line_info): Add discriminator field.
(add_line_info): Fill in new discriminator field.
(decode_line_info): Record discriminator information instead
of ignoring it.
(lookup_address_in_line_info_table): Return discriminator field if
requested.
(comp_unit_find_nearest_line): Add discriminator argument.
(find_line): Likewise.
(_bfd_dwarf2_find_nearest_line): Likewise.
(_bfd_dwarf2_find_line): Likewise.
* elf-bfd.h (_bfd_elf_find_nearest_line_discriminator): New.
(_bfd_elf_find_line_discriminator): Likewise.
(_bfd_generic_find_nearest_line_discriminator): Likewise. Defined.
* elf.c (_bfd_elf_find_nearest_line): Change to a wrapper
that invokes _bfd_elf_find_nearest_line_discriminator with correct
arguments.
(_bfd_elf_find_nearest_line_discriminator): New.
(_bfd_elf_find_line): Change to a wrapper
that invokes _bfd_elf_find_line_discriminator with correct
arguments.
(_bfd_elf_find_line_discriminator): New.
* coffgen.c (coff_find_nearest_line_with_names): Handle
new discriminator argument.
* elf32-arm.c (elf32_arm_find_nearest_line): Likewise.
* elf64-alpha.c (elf64_alpha_find_nearest_line): Likewise.
* elfxx-mips.c (_bfd_mips_elf_find_nearest_line): Likewise.
* mach-o.c (bfd_mach_o_find_nearest_line): Likewise.
* libbfd-in.h (_bfd_dwarf2_find_nearest_line): Add discriminator
argument.
(_bfd_dwarf2_find_line): Likewise.
(_bfd_generic_find_nearest_line_discriminator): New.
* libbfd.c (_bfd_generic_find_nearest_line_discriminator): New.
* bfd-in2.h: Regenerated.
* libbfd.h: Likewise.
* targets.c (BFD_JUMP_TABLE_SYMBOLS): Initialize
_bfd_find_nearest_line_discriminator with
_bfd_generic_find_nearest_line_discriminator.
(bfd_target): Add _bfd_find_nearest_line_discriminator.
binutils/
* addr2line.c (find_address_in_section): Invoke
bfd_find_nearest_line_discriminator to get the discriminator.
(find_offset_in_section): Likewise.
(translate_addresses): Print discriminator if it is non-zero.
* objdump.c (show_line): Invoke
bfd_find_nearest_line_discriminator to get the discriminator,
and keep track of prev_discriminator. Print discriminator
if it is non-zero.
(disassemble_data): Initialize prev_discriminator.
(dump_reloc_set): Invoke bfd_find_nearest_line_discriminator
to get the discriminator, and keep track of last_discriminator.
Print discriminator if it is non-zero.
* elf.c (assign_file_positions_for_load_sections): Remove assertions
that only PT_LOAD headers include file header and section headers.
(assign_file_positions_for_non_load_sections): Similarly don't
assert PT_GNU_RELRO header does not include file and section headers.
Compare first section vma rather than PT_LOAD p_vaddr against
relro_start when looking for PT_LOAD covering PT_GNU_RELRO. Replace
abort with assertion.
* elf.c (assign_file_positions_for_non_load_sections): Define
__ehdr_start symbol if it's referenced and there's a PT_LOAD
segment that covers both the file and program headers.
ld/
* NEWS: Mention __ehdr_start.
ld/testsuite/
* ld-elf/ehdr_start.s: New file.
* ld-elf/ehdr_start.d: New file.
* elf.c (_bfd_elf_map_sections_to_segments): Disregard bss type
sections at end of PT_LOAD segment when searching for segment
that contains end of relro extent.
* bfd-in.h (bfd_elf_bfd_from_remote_memory): Make LEN argument
of target_read_memory as bfd_size_type.
* bfd-in2.h: Regenerate.
* elf-bfd.h (elf_backend_bfd_from_remote_memory): Make LEN
argument of target_read_memory as bfd_size_type.
(_bfd_elf32_bfd_from_remote_memory): Likewise.
(_bfd_elf64_bfd_from_remote_memory): Likewise.
* elf.c (bfd_elf_bfd_from_remote_memory): Likewise.
* elfcode.h (NAME(_bfd_elf,bfd_from_remote_memory)): Likewise.
gdb/
* symfile-mem.c: 3 new gdb_static_assert for target_read_memory_bfd
parameters.
(target_read_memory_bfd): New function.
(symbol_file_add_from_memory): Use it.
* elf.c (elf_find_function): Cache last function sym info.
(_bfd_elf_maybe_function_sym): Return function size, pass in
section of interest.
* elf-bfd.h (struct elf_backend_data <maybe_function_sym>): Likewise.
(_bfd_elf_maybe_function_sym): Likewise.
* elf64-ppc.c (ppc64_elf_maybe_function_sym): Likewise.
(opd_entry_value): Add in_code_sec param. Revert caching code.
Return -1 if in_code_sec and function found in wrong section.
Update all calls.
* bfd-in.h (bfd_elf_bfd_from_remote_memory): Make LEN argument
of target_read_memory as size_t.
* bfd-in2.h: Regenerate.
* elf-bfd.h (elf_backend_bfd_from_remote_memory): Make LEN
argument of target_read_memory as size_t.
(_bfd_elf32_bfd_from_remote_memory): Likewise.
(_bfd_elf64_bfd_from_remote_memory): Likewise.
* elf.c (bfd_elf_bfd_from_remote_memory): Likewise.
* elfcode.h (NAME(_bfd_elf,bfd_from_remote_memory)): Likewise.
gdb/
* target.c (target_read_memory): Make LEN argument as size_t.
* target.h (target_read_memory): Likewise.
PR ld/7023
* elf.c (bfd_section_from_shdr): Fail when .dynsym sh_info is
out of range. As a special case, fix sh_info for zero sh_size.
Do the same for .symtab.
* elf.c (_bfd_elf_map_sections_to_segments): Set INFO->user_phdrs.
* elf-nacl.c (nacl_modify_segment_map): Do nothing if INFO->user_phdrs.
(nacl_modify_program_headers): Likewise.
include/
* bfdlink.h (struct bfd_link_info): Add new member user_phdrs.
* dwarf2.c (bfd_dwarf2_cleanup_debug_info): Accept stash as an
argument like other functions to support formats other than ELF.
* elf-bfd.h (bfd_dwarf2_cleanup_debug_info): Move to bfd-in.h.
* elf.c (_bfd_elf_close_and_cleanup): Pass dwarf2_find_line_info
in tdata as a parameter.
* libbfd-in.h (bfd_dwarf2_cleanup_debug_info): Move from
elf-bfd.h.
* libbfd.h (bfd_dwarf2_cleanup_debug_info): Regenerate.
* mach-o-target.c (bfd_mach_o_close_and_cleanup): Remove the
fallback macro.
(bfd_mach_o_find_nearest_line): Likewise.
* mach-o.c (bfd_mach_o_find_nearest_line): Add the definition
which calls _bfd_dwarf2_find_nearest_line.
(bfd_mach_o_close_and_cleanup): Likewise.
* mach-o.h (mach_o_data_struct): Add dwarf2_find_line_info.
(bfd_mach_o_find_nearest_line): Add declaration.
(bfd_mach_o_close_and_cleanup): Add declaration.
* elf.c (assign_file_positions_for_load_sections): Don't align
sh_offset for all SHT_NOBITS sections here, just .tbss sections
that don't get a PT_LOAD.
* elf.c (_bfd_elf_init_private_section_data): Add an assertion
that the output section has an allocated bfd_elf_section_data
structure.
* elfxx-mips.c (mips_elf_check_symbols): Do not create a stub for
symbols in sections that have been removed by garbage collection.
* emultempl/mipself.em (mips_add_stub_section): Do not add stubs
for sections that have been removed by garbage collection.
bfd/
* elf.c (assign_file_positions_for_load_sections): Set sh_offset for
.tbss, and page align same for all SHT_NOBITS sections.
ld/
* ldlang.c (lang_output_section_find_by_flags): Match orphan .sdata2
like sections to existing .sdata2, and similarly for orphan TLS
sections.
* emultempl/elf32.em (place_orphan): Exclude .tbss from orphan_bss.
* elf.c (_bfd_elf_make_section_from_shdr): Set up TLS section LMAs
from PT_TLS header.
(_bfd_elf_map_sections_to_segments): Don't create a final PT_LOAD
segment if just for .tbss.
(assign_file_positions_for_load_sections): Don't report "can't
allocate in segment" errors for .tbss.
(assign_file_positions_for_non_load_sections): Don't set p_filesz
from SHT_NOBITS section filepos.