bfd/
authorMaciej W. Rozycki <macro@linux-mips.org>
Mon, 24 Jun 2013 23:55:46 +0000 (23:55 +0000)
committerMaciej W. Rozycki <macro@linux-mips.org>
Mon, 24 Jun 2013 23:55:46 +0000 (23:55 +0000)
commit1bbce132647e6d72aaa065cce5c1d5dd6585c2b2
tree484b1e34d1fededaf01dd6cb8c0991e4115b1602
parentb652c496acc215872de142e84bd227f11715215d
bfd/
* elfxx-mips.h (_bfd_mips_elf_get_synthetic_symtab): New
prototype.
* elf32-mips.c (elf_backend_plt_sym_val): Remove macro.
(bfd_elf32_get_synthetic_symtab): New macro.
* elfxx-mips.c (plt_entry): New structure.
(mips_elf_link_hash_entry): Add use_plt_entry member.
(mips_elf_link_hash_table): Rename plt_entry_size member to
plt_mips_entry_size.  Add plt_comp_entry_size, plt_mips_offset,
plt_comp_offset, plt_got_index entries and plt_header_is_comp
members.
(STUB_LW_MICROMIPS, STUB_MOVE_MICROMIPS): New macros.
(STUB_LUI_MICROMIPS, STUB_JALR_MICROMIPS): Likewise.
(STUB_ORI_MICROMIPS, STUB_LI16U_MICROMIPS): Likewise.
(STUB_LI16S_MICROMIPS): Likewise.
(MICROMIPS_FUNCTION_STUB_NORMAL_SIZE): Likewise.
(MICROMIPS_FUNCTION_STUB_BIG_SIZE): Likewise.
(micromips_o32_exec_plt0_entry): New variable.
(mips16_o32_exec_plt_entry): Likewise.
(micromips_o32_exec_plt_entry): Likewise.
(mips_elf_link_hash_newfunc): Initialize use_plt_entry.
(mips_elf_output_extsym): Update to use gotplt_union's plist
member rather than offset.
(mips_elf_gotplt_index): Likewise.  Remove the VxWorks
restriction.  Use MIPS_ELF_GOT_SIZE to calculate GOT address.
(mips_elf_count_got_symbols): Update to use gotplt_union's plist
member rather than offset.
(mips_elf_calculate_relocation): Handle MIPS16/microMIPS PLT
entries.
(_bfd_mips_elf_create_dynamic_sections): Don't set PLT sizes
here.
(mips_elf_make_plt_record): New function.
(_bfd_mips_elf_check_relocs): Update comment.  Record occurences
of JAL relocations that might need a PLT entry.
(_bfd_mips_elf_adjust_dynamic_symbol): Update to use
gotplt_union's plist member rather than offset.  Set individual
PLT entry sizes here.  Handle MIPS16/microMIPS PLT entries.
Don't set the symbol's value in the symbol table for PLT
references here.  Don't set the PLT or PLT GOT section sizes
here.
(mips_elf_estimate_stub_size): Handle microMIPS stubs.
(mips_elf_allocate_lazy_stub): Likewise.
(mips_elf_lay_out_lazy_stubs): Likewise.  Define a _MIPS_STUBS_
magic symbol.
(mips_elf_set_plt_sym_value): New function.
(_bfd_mips_elf_size_dynamic_sections): Set PLT header size and
PLT and PLT GOT section sizes here.  Set the symbol values in
the symbol table for PLT references here.  Handle microMIPS
annotation of the _PROCEDURE_LINKAGE_TABLE_ magic symbol.
(_bfd_mips_elf_finish_dynamic_symbol): Update to use
gotplt_union's plist member rather than offset.  Handle
MIPS16/microMIPS PLT entries.  Handle microMIPS stubs.
(_bfd_mips_vxworks_finish_dynamic_symbol): Update to use
gotplt_union's plist member rather than offset.  Use
MIPS_ELF_GOT_SIZE to calculate GOT address.
(mips_finish_exec_plt): Handle microMIPS PLT.  Return status.
(_bfd_mips_elf_finish_dynamic_sections): Handle result from
mips_finish_exec_plt.
(_bfd_mips_elf_link_hash_table_create): Update to use
gotplt_union's plist member rather than offset.
(_bfd_mips_elf_get_synthetic_symtab): New function.

include/elf/
* mips.h (ELF_ST_IS_MIPS_PLT): Respect STO_MIPS16 setting.
(ELF_ST_SET_MIPS_PLT): Likewise.

gdb/
* mips-tdep.c (mips_elf_make_msymbol_special): Handle MIPS16 and
microMIPS synthetic symbols.

ld/
* emulparams/elf32btsmip.sh: Arrange for .got.plt to be placed
as close to .plt as possible.
* scripttempl/elf.sc: Handle $INITIAL_READWRITE_SECTIONS and
$PLT_NEXT_DATA variables.

ld/testsuite/
* ld-mips-elf/jalx-2.dd: Update for microMIPS PLT support.
* ld-mips-elf/pic-and-nonpic-3a.dd: Update for the _MIPS_STUBS_
magic symbol.
* ld-mips-elf/pic-and-nonpic-3b.dd: Likewise.
* ld-mips-elf/pic-and-nonpic-6-n32.dd: Likewise.
* ld-mips-elf/pic-and-nonpic-6-n64.dd: Likewise.
* ld-mips-elf/pic-and-nonpic-6-o32.dd: Likewise.
* ld-mips-elf/stub-dynsym-1-10000.d: Likewise.
* ld-mips-elf/stub-dynsym-1-2fe80.d: Likewise.
* ld-mips-elf/stub-dynsym-1-7fff.d: Likewise.
* ld-mips-elf/stub-dynsym-1-8000.d: Likewise.
* ld-mips-elf/stub-dynsym-1-fff0.d: Likewise.
* ld-mips-elf/tlslib-o32.d: Likewise.

opcodes/
* mips-dis.c (is_mips16_plt_tail): New function.
(print_insn_mips16): Handle MIPS16 PLT entry's GOT slot address
word.
(is_compressed_mode_p): Handle MIPS16/microMIPS PLT entries.
26 files changed:
bfd/ChangeLog
bfd/elf32-mips.c
bfd/elfxx-mips.c
bfd/elfxx-mips.h
gdb/ChangeLog
gdb/mips-tdep.c
include/elf/ChangeLog
include/elf/mips.h
ld/ChangeLog
ld/emulparams/elf32btsmip.sh
ld/scripttempl/elf.sc
ld/testsuite/ChangeLog
ld/testsuite/ld-mips-elf/jalx-2.dd
ld/testsuite/ld-mips-elf/pic-and-nonpic-3a.dd
ld/testsuite/ld-mips-elf/pic-and-nonpic-3b.dd
ld/testsuite/ld-mips-elf/pic-and-nonpic-6-n32.dd
ld/testsuite/ld-mips-elf/pic-and-nonpic-6-n64.dd
ld/testsuite/ld-mips-elf/pic-and-nonpic-6-o32.dd
ld/testsuite/ld-mips-elf/stub-dynsym-1-10000.d
ld/testsuite/ld-mips-elf/stub-dynsym-1-2fe80.d
ld/testsuite/ld-mips-elf/stub-dynsym-1-7fff.d
ld/testsuite/ld-mips-elf/stub-dynsym-1-8000.d
ld/testsuite/ld-mips-elf/stub-dynsym-1-fff0.d
ld/testsuite/ld-mips-elf/tlslib-o32.d
opcodes/ChangeLog
opcodes/mips-dis.c