H.J. Lu
889c2a6796
Add -z noextern-protected-data to ld for ELF/x86
...
Address of protected data defined in the shared library may be external,
i.e., due to copy relocation. By default, linker backend checks if
relocations against protected data symbols are valid for building shared
library and issues an error if relocation isn't allowed. The new option
override linker backend default. When -z noextern-protected-data is used,
updates on protected data symbols by another module won't be visibile
to the resulting shared library. This option is specific to ELF/i386
and ELF/x86-64.
bfd/
PR ld/pr17709
* elflink.c (_bfd_elf_adjust_dynamic_copy): Check
info->extern_protected_data when warning copy relocs against
protected symbols.
(_bfd_elf_symbol_refs_local_p): Check info->extern_protected_data
when checking protected non-function symbols.
include/
PR ld/pr17709
* bfdlink.h (bfd_link_info): Add extern_protected_data.
ld/
PR ld/pr17709
* ld.texinfo: Document "-z noextern-protected-data".
* ldmain.c (main): Initialize link_info.extern_protected_data
to -1.
* lexsup.c (elf_shlib_list_options): Add
"-z [no]extern-protected-data".
* emulparams/elf32_x86_64.sh: Source extern_protected_data.sh.
* emulparams/elf_i386.sh: Likewise.
* emulparams/elf_i386_be.sh: Likewise.
* emulparams/elf_i386_chaos.sh: Likewise.
* emulparams/elf_i386_ldso.sh: Likewise.
* emulparams/elf_i386_vxworks.sh: Likewise.
* emulparams/elf_k1om.sh: Likewise.
* emulparams/elf_l1om.sh: Likewise.
* emulparams/elf_x86_64.sh: Source extern_protected_data.sh.
(PARSE_AND_LIST_OPTIONS): Renamed to ...
(PARSE_AND_LIST_OPTIONS_BNDPLT): This.
(PARSE_AND_LIST_ARGS_CASE_Z): Renamed to ...
(PARSE_AND_LIST_ARGS_CASE_Z_BNDPLT): This.
(PARSE_AND_LIST_OPTIONS): Append $PARSE_AND_LIST_OPTIONS_BNDPLT.
(PARSE_AND_LIST_ARGS_CASE_Z): Append
$PARSE_AND_LIST_ARGS_CASE_Z_BNDPLT.
* emulparams/extern_protected_data.sh: New file.
ld/testsuite/
PR ld/pr17709
* ld-i386/i386.exp: Run protected6b.
* ld-i386/protected6b.d: New file.
* ld-x86-64/protected6b.d: Likewise.
* ld-x86-64/x86-64.exp: Run protected6b.
2015-04-14 04:13:11 -07:00
H.J. Lu
a319637f7c
Define IREL_IN_PLT for elf_k1om.sh and elf_l1om.sh
...
* emulparams/elf_k1om.sh (IREL_IN_PLT): Define.
* emulparams/elf_l1om.sh (IREL_IN_PLT): Likewise.
2013-12-20 08:27:02 -08:00
Alan Modra
134960cc27
* emulparams/elf_x86_64.sh (LARGE_BSS_AFTER_BSS): Define.
...
* emulparams/elf32_x86_64.sh: Likewise.
* emulparams/elf_k1om.sh: Likewise.
* emulparams/elf_l1om.sh: Likewise.
* scripttempl/elf.sc (LARGE_BSS): Define rather than appending to
OTHER_BSS_SECTIONS. Substitute in script.
2013-01-09 05:51:32 +00:00
H.J. Lu
17d6eea5d5
Don't hardcode .got.plt into DATA_SEGMENT_RELRO_END evaluation
...
ld/
PR ld/14215
* ldexp.c (fold_name <SIZEOF, ALIGNOF>): Allow forward section
references.
* emulparams/elf32_x86_64.sh (SEPARATE_GOTPLT): Depend on size of
.got.plt.
* emulparams/elf32mb_linux.sh (SEPARATE_GOTPLT): Likewise.
* emulparams/elf32tilegx.sh (SEPARATE_GOTPLT): Likewise.
* emulparams/elf32tilepro.sh (SEPARATE_GOTPLT): Likewise.
* emulparams/elf64tilegx.sh (SEPARATE_GOTPLT): Likewise.
* emulparams/elf_i386.sh (SEPARATE_GOTPLT): Likewise.
* emulparams/elf_k1om.sh (SEPARATE_GOTPLT): Likewise.
* emulparams/elf_l1om.sh (SEPARATE_GOTPLT): Likewise.
* emulparams/elf_x86_64.sh (SEPARATE_GOTPLT): Likewise.
ld/testsuite/
PR ld/14215
* ld-i386/i386.exp: Run pr14215.
* ld-x86-64/x86-64.exp: Likewise.
* ld-i386/pr14215.d: New file.
* ld-i386/pr14215.s: Likewise.
* ld-x86-64/pr14215.d: Likewise.
* ld-x86-64/pr14215.s: Likewise.
2012-06-11 13:23:51 +00:00
H.J. Lu
b7761f1106
Support arch-dependent fill
...
bfd/
2012-01-31 H.J. Lu <hongjiu.lu@intel.com>
PR ld/13616
* archures.c (bfd_arch_info): Add fill.
(bfd_default_arch_struct): Add bfd_arch_default_fill.
(bfd_arch_default_fill): New.
* configure.in: Set bfd version to 2.22.52.
* configure: Regenerated.
* cpu-alpha.c: Add bfd_arch_default_fill to bfd_arch_info
initializer.
* cpu-arc.c: Likewise.
* cpu-arm.c: Likewise.
* cpu-avr.c: Likewise.
* cpu-bfin.c: Likewise.
* cpu-cr16.c: Likewise.
* cpu-cr16c.c: Likewise.
* cpu-cris.c: Likewise.
* cpu-crx.c: Likewise.
* cpu-d10v.c: Likewise.
* cpu-d30v.c: Likewise.
* cpu-dlx.c: Likewise.
* cpu-epiphany.c: Likewise.
* cpu-fr30.c: Likewise.
* cpu-frv.c: Likewise.
* cpu-h8300.c: Likewise.
* cpu-h8500.c: Likewise.
* cpu-hppa.c: Likewise.
* cpu-i370.c: Likewise.
* cpu-i860.c: Likewise.
* cpu-i960.c: Likewise.
* cpu-ia64.c: Likewise.
* cpu-ip2k.c: Likewise.
* cpu-iq2000.c: Likewise.
* cpu-lm32.c: Likewise.
* cpu-m10200.c: Likewise.
* cpu-m10300.c: Likewise.
* cpu-m32c.c: Likewise.
* cpu-m32r.c: Likewise.
* cpu-m68hc11.c: Likewise.
* cpu-m68hc12.c: Likewise.
* cpu-m68k.c: Likewise.
* cpu-m88k.c: Likewise.
* cpu-mcore.c: Likewise.
* cpu-mep.c: Likewise.
* cpu-microblaze.c: Likewise.
* cpu-mips.c: Likewise.
* cpu-mmix.c: Likewise.
* cpu-moxie.c: Likewise.
* cpu-msp430.c: Likewise.
* cpu-mt.c: Likewise.
* cpu-ns32k.c: Likewise.
* cpu-openrisc.c: Likewise.
* cpu-or32.c: Likewise.
* cpu-pdp11.c: Likewise.
* cpu-pj.c: Likewise.
* cpu-plugin.c: Likewise.
* cpu-powerpc.c: Likewise.
* cpu-rl78.c: Likewise.
* cpu-rs6000.c: Likewise.
* cpu-rx.c: Likewise.
* cpu-s390.c: Likewise.
* cpu-score.c: Likewise.
* cpu-sh.c: Likewise.
* cpu-sparc.c: Likewise.
* cpu-spu.c: Likewise.
* cpu-tic30.c: Likewise.
* cpu-tic4x.c: Likewise.
* cpu-tic54x.c: Likewise.
* cpu-tic6x.c: Likewise.
* cpu-tic80.c: Likewise.
* cpu-tilegx.c: Likewise.
* cpu-tilepro.c: Likewise.
* cpu-v850.c: Likewise.
* cpu-vax.c: Likewise.
* cpu-w65.c: Likewise.
* cpu-we32k.c: Likewise.
* cpu-xc16x.c: Likewise.
* cpu-xstormy16.c: Likewise.
* cpu-xtensa.c: Likewise.
* cpu-z80.c: Likewise.
* cpu-z8k.c: Likewise.
* cpu-i386.c: Include "libiberty.h".
(bfd_arch_i386_fill): New.
Add bfd_arch_i386_fill to bfd_arch_info initializer.
* cpu-k1om.c: Add bfd_arch_i386_fill to bfd_arch_info initializer.
* cpu-l1om.c: Likewise.
* linker.c (default_data_link_order): Call abfd->arch_info->fill
if fill size is 0.
* bfd-in2.h: Regenerated.
include/
2012-01-31 H.J. Lu <hongjiu.lu@intel.com>
PR ld/13616
* bfdlink.h (bfd_link_order): Update comments on data size.
ld/
2012-01-31 H.J. Lu <hongjiu.lu@intel.com>
PR ld/13616
* emulparams/elf32_x86_64.sh: Remove NOP.
* emulparams/elf_i386.sh: Likewise.
* emulparams/elf_i386_be.sh: Likewise.
* emulparams/elf_i386_ldso.sh: Likewise.
* emulparams/elf_i386_vxworks.sh: Likewise.
* emulparams/elf_k1om.sh: Likewise.
* emulparams/elf_l1om.sh: Likewise.
* emulparams/elf_x86_64.sh: Likewise.
* ldlang.c (zero_fill): Initialized to 0.
* ldwrite.c (build_link_order): Set data size to linker odrder
size when they are the same.
* scripttempl/elf.sc: Don't specify fill if NOP is undefined.
ld/testsuite/
2012-01-31 H.J. Lu <hongjiu.lu@intel.com>
PR ld/13616
* ld-i386/tlsbindesc.dd: Update no-op padding.
* ld-i386/tlsnopic.dd: Likewise.
* ld-i386/tlspic.dd: Likewise.
* ld-x86-64/tlsbin.dd: Likewise.
* ld-x86-64/tlsbindesc.dd: Likewise.
* ld-x86-64/tlspic.dd: Likewise.
2012-01-31 17:54:39 +00:00
Alan Modra
fb42df5ed9
* emultempl/elf32.em (gld${EMULATION_NAME}_add_options,
...
gld${EMULATION_NAME}_handle_option, gld${EMULATION_NAME}_list_options):
Provide --build-id, -z defs, -z muldefs, -z max-page-size,
-z common-page-size, -z execstack, -z noexecstack for all targets.
Add help for --exclude-libs.
(OPTION_LD_GENERATED_UNWIND_INFO,
OPTION_NO_LD_GENERATED_UNWIND_INFO): Move this..
(gld${EMULATION_NAME}_handle_option): ..and code handling
--ld-generated-unwind-info and --no-ld-generated-unwind-info..
* emulparams/plt_unwind.sh: ..to here. New file. Add help.
* emulparams/elf32_x86_64.sh: Include plt_unwind.sh.
* emulparams/elf_i386.sh: Likewise.
* emulparams/elf_i386_chaos.sh: Likewise.
* emulparams/elf_i386_ldso.sh: Likewise.
* emulparams/elf_l1om.sh: Likewise.
* emulparams/elf_x86_64.sh: Likewise.
2011-07-14 02:38:43 +00:00
H.J. Lu
d02c4aae3d
Fix elf_l1om linker scripts.
...
2011-03-31 H.J. Lu <hongjiu.lu@intel.com>
* configure.tgt: Add elf_l1om to targ_extra_libpath for
x86_64-*-linux-*.
* emulparams/elf_l1om.sh: Remove duplicates.
2011-03-31 22:23:09 +00:00
H.J. Lu
da7a27102f
Add missing files.
2009-07-25 15:08:26 +00:00
