Commit Graph

322 Commits

Author SHA1 Message Date
H.J. Lu c8831961f9 Use bfd_is_abs_section to check discarded input section
bfd/

	PR ld/17306
	* elf32-i386.c (elf_i386_convert_mov_to_lea): Use bfd_is_abs_section
	to check discarded input section.
	* elf64-x86-64.c (elf_x86_64_convert_mov_to_lea): Likewise.

ld/testsuite/

	PR ld/17306
	* ld-i386/i386.exp (i386tests): Add tests for PR ld/17306.
	* ld-x86-64/x86-64.exp (x86_64tests): Likewise.

	* ld-i386/pr17306a.s: New file.
	* ld-i386/pr17306b.s: Likewise.
	* ld-x86-64/pr17306a.s: Likewise.
	* ld-x86-64/pr17306b.s: Likewise.
2014-08-27 07:59:48 -07:00
H.J. Lu cca5b8b64b Match PLT entry only for ELFOSABI_GNU input
* elf32-i386.c (elf_i386_plt_sym_val): Match PLT entry only for
	ELFOSABI_GNU input.
	* elf64-x86-64.c (elf_x86_64_plt_sym_val): Likewise.
	(elf_x86_64_plt_sym_val_offset_plt_bnd): Likewise.
2014-07-16 11:15:56 -07:00
H.J. Lu 144bed8d4d Properly match PLT entry against .got.plt relocation
Relocations against .got.plt section may not be in the same order as
entries in PLT section.  It is incorrect to assume that the Ith reloction
index against .got.plt section always maps to the (I + 1)th entry in PLT
section.  This patch matches the .got.plt relocation offset/index in PLT
entry against the index in .got.plt relocation table.  It only checks
R_*_JUMP_SLOT and R_*_IRELATIVE relocations.  It ignores R_*_TLS_DESC
and R_*_TLSDESC relocations since they have different PLT entries.

bfd/

	PR binutils/17154
	* elf32-i386.c (elf_i386_plt_sym_val): Only match R_*_JUMP_SLOT
	and R_*_IRELATIVE relocation offset with PLT entry.
	* elf64-x86-64.c (elf_x86_64_plt_sym_val): Likewise.
	(elf_x86_64_plt_sym_val_offset_plt_bnd): New.
	(elf_x86_64_get_synthetic_symtab): Use it.

ld/testsuite/

	PR binutils/17154
	* ld-ifunc/pr17154-i386.d: New file.
	* ld-ifunc/pr17154-x86-64.d: Likewise.
	* ld-ifunc/pr17154-x86.s: Likewise.
	* ld-x86-64/bnd-ifunc-2.d: Likewise.
	* ld-x86-64/bnd-ifunc-2.s: Likewise.
	* ld-x86-64/mpx.exp: Run bnd-ifunc-2.
	* ld-x86-64/tlsdesc-nacl.pd: Updated.
	* ld-x86-64/tlsdesc.pd: Likewise.
2014-07-16 10:57:49 -07:00
Alan Modra d495ab0d84 Free linker hash table from bfd_close.
Also tidies numerous error exit paths in various link_hash_table_create
functions that failed to free memory.

include/
	* bfdlink.h (struct bfd_link_hash_table): Add hash_table_free field.
bfd/
	* archive.c: Include bfdlink.h.
	(_bfd_archive_close_and_cleanup): Call linker hash_table_free.
	* bfd.c (struct bfd): Add is_linker_output field.
	* elf-bfd.h (_bfd_elf_link_hash_table_free): Update prototype.
	* linker.c (_bfd_link_hash_table_init): Set up hash_table_free,
	link.hash and is_linker_output.
	(_bfd_generic_link_hash_table_free): Replace bfd_link_hash_table*
	param with bfd*.  Assert is_linker_output and link.hash, and
	clear them before exit.
	* elf-m10300.c (elf32_mn10300_link_hash_table_free): Replace
	bfd_link_hash_table* param with bfd*.  Hack is_linker_output
	and link.hash so we can free two linker hash tables.
	(elf32_mn10300_link_hash_table_create): Create static_hash_table
	first.  Clean up on errors.  Set hash_table_free pointer.
	* elf32-arm.c (elf32_arm_link_hash_table_free): Replace
	bfd_link_hash_table* param with bfd*.
	(elf32_arm_link_hash_table_create): Clean up on errors.  Set
	hash_table_free pointer.
	* elf32-avr.c, * elf32-hppa.c, * elf32-i386.c, * elf32-m68hc1x.c,
	* elf32-m68k.c, * elf32-metag.c, * elf32-nios2.c, * elf32-xgate.c,
	* elf64-ia64-vms.c, * elf64-ppc.c, * elf64-x86-64.c, * elflink.c,
	* elfnn-aarch64.c, * elfnn-ia64.c, * elfxx-sparc.c,
	* xcofflink.c: Similarly.
	* simple.c (bfd_simple_get_relocated_section_contents): Save and
	clear link.next before creating linker hash table.  Clean up on
	errors, and restore link.next on exit.
	* elf32-m68hc1x.h (m68hc11_elf_bfd_link_hash_table_free): Delete.
	* elf32-xgate.h (xgate_elf_bfd_link_hash_table_free): Delete.
	* elfxx-sparc.h (_bfd_sparc_elf_link_hash_table_free): Delete.
	* libcoff-in.h (_bfd_xcoff_bfd_link_hash_table_free): Delete.
	* hash.c (bfd_hash_table_init_n): Free table on error.
	* libbfd-in.h (_bfd_generic_link_hash_table_free): Update proto.
	* bfd-in2.h: Regenerate.
	* libbfd.h: Regenerate.
	* libcoff.h: Regenerate.
2014-06-13 19:11:39 +09:30
Alan Modra caa4096e84 Don't call bfd_link_hash_table_free
Freeing the linker hash table is a royal pain.  It can't be freed
before the _bfd_write_contents call in bfd_close, because some target
bfd_write_contents functions access the hash table.  It can't be freed
after bfd_close either, since bfd_alloc memory holding side data
structures disappears (PR17047).  Clearly the only place it can be freed
is actually in bfd_close.  This patch doesn't do that, but kills off
the existing means of freeing the hash table via a bfd target xvec call.

bfd/
	PR 17047
	* targets.c (BFD_JUMP_TABLE): Delete NAME##_bfd_link_hash_table_free.
	(struct bfd_target <_bfd_link_hash_table_free>): Delete.
	* bfd.c (bfd_link_hash_table_free): Don't define.
	* aout-adobe.c, * aout-target.h, * aout-tic30.c, * binary.c, * bout.c,
	* coff64-rs6000.c, * coffcode.h, * elf-m10300.c, * elf32-arm.c,
	* elf32-avr.c, * elf32-hppa.c, * elf32-i386.c, * elf32-m68hc11.c,
	* elf32-m68hc12.c, * elf32-m68k.c, * elf32-metag.c, * elf32-nios2.c,
	* elf32-sparc.c, * elf32-xgate.c, * elf64-ia64-vms.c, * elf64-ppc.c,
	* elf64-sparc.c, * elf64-x86-64.c, * elfnn-aarch64.c, * elfnn-ia64.c,
	* elfxx-target.h, * i386msdos.c, * i386os9k.c, * ieee.c, * ihex.c,
	* libbfd-in.h, * libecoff.h, * mach-o-target.c, * mmo.c,
	* nlm-target.h, * oasys.c, * pef.c, * plugin.c, * ppcboot.c, * som.c,
	* srec.c, * tekhex.c, * verilog.c, * versados.c, * vms-alpha.c,
	* xsym.c: Don't define various link_hash_table_free defines, and
	remove from bfd_target vars.  Temporarily reference some of the
	target link_hash_table_free functions to avoid warnings.
	* bfd-in2.h: Regenerate.
	* libbfd.h: Regenerate.
ld/
	PR 17047
	* ldlang.c (output_bfd_hash_table_free_fn): Delete.
	(open_output): Don't set it..
	* ldmain.c (ld_cleanup): ..or call it.
2014-06-13 19:11:29 +09:30
Alan Modra 68faa6378d Move link_hash_table_free functions earlier
Move some code around, in preparation for a followup patch.

	* elf-m10300.c, * elf32-arm.c, * elf32-avr.c, * elf32-hppa.c,
	* elf32-i386.c, * elf32-m68hc1x.c, * elf32-m68k.c, * elf32-metag.c,
	* elf32-nios2.c, * elf64-ia64-vms.c, * elf64-ppc.c, * elf64-x86-64.c,
	* elfnn-aarch64.c, * elfnn-ia64.c, * elfxx-sparc.c, * xcofflink.c:
	Move link_hash_table_free functions before their corresponding
	link_hash_table_create functions.
2014-06-13 19:11:19 +09:30
Alan Modra c72f2fb2bb Make bfd.link_next field a union
This field of struct bfd is currently only used to chain together
linker input files.  This patch prepares to use the field to stash
the linker hash table, which is always created on the linker output
file.

bfd/
	* bfd.c (struct bfd): Replace link_next with a union.
	* aoutx.h, * bfd.c, * coff-ppc.c, * coff-rs6000.c, * cofflink.c,
	* ecoff.c, * elf-m10300.c, * elf32-arm.c, * elf32-avr.c,
	* elf32-hppa.c, * elf32-i386.c, * elf32-lm32.c, * elf32-m32c.c,
	* elf32-m32r.c, * elf32-m68hc1x.c, * elf32-metag.c,
	* elf32-microblaze.c, * elf32-nds32.c, * elf32-nios2.c,
	* elf32-or1k.c, * elf32-ppc.c, * elf32-rl78.c, * elf32-s390.c,
	* elf32-score.c, * elf32-score7.c, * elf32-sh.c, * elf32-spu.c,
	* elf32-tic6x.c, * elf32-tilepro.c, * elf32-xstormy16.c,
	* elf32-xtensa.c, * elf64-alpha.c, * elf64-hppa.c, * elf64-ia64-vms.c,
	* elf64-mmix.c, * elf64-ppc.c, * elf64-s390.c, * elf64-x86-64.c,
	* elflink.c, * elfnn-aarch64.c, * elfxx-mips.c, * elfxx-sparc.c,
	* elfxx-tilegx.c, * linker.c, * pdp11.c, * peXXigen.c, * simple.c,
	* sunos.c, * vms-alpha.c, * xcofflink.c: Update for above.
	* bfd-in2.h: Regenerate.
include/
	* bfdlink.h: Update for bfd.link_next change.
ld/
	* emultempl/cr16elf.em, * emultempl/elf32.em, * emultempl/genelf.em,
	* emultempl/m68kcoff.em, * emultempl/m68kelf.em,
	* emultempl/nds32elf.em, * emultempl/pe.em, * emultempl/pep.em,
	* ldlang.c, * ldmain.c, * pe-dll.c: Update for bfd.link_next change.
2014-06-13 19:10:57 +09:30
Alan Modra 6d00b59031 bfd target vector rationalisation
This renames the bfd targets to <cpu>_<format>_<other>_<endian>_vec.
So for example, bfd_elf32_ntradlittlemips_vec becomes
mips_elf32_ntrad_le_vec and hp300bsd_vec becomes m68k_aout_hp300bsd_vec.

bfd/
	* aix386-core.c, * aout-adobe.c, * aout-arm.c, * aout-ns32k.c,
	* aout-sparcle.c, * aout0.c, * aoutx.h, * armnetbsd.c, * bout.c,
	* cf-i386lynx.c, * cf-sparclynx.c, * cisco-core.c, * coff-alpha.c,
	* coff-apollo.c, * coff-arm.c, * coff-aux.c, * coff-go32.c,
	* coff-h8300.c, * coff-h8500.c, * coff-i386.c, * coff-i860.c,
	* coff-i960.c, * coff-m68k.c, * coff-m88k.c, * coff-mips.c,
	* coff-rs6000.c, * coff-sh.c, * coff-sparc.c, * coff-stgo32.c,
	* coff-svm68k.c, * coff-tic80.c, * coff-u68k.c, * coff-w65.c,
	* coff-we32k.c, * coff-x86_64.c, * coff-z80.c, * coff-z8k.c,
	* coff64-rs6000.c, * config.bfd, * configure.com, * configure.in,
	* demo64.c, * elf-m10200.c, * elf-m10300.c, * elf32-am33lin.c,
	* elf32-arc.c, * elf32-arm.c, * elf32-avr.c, * elf32-bfin.c,
	* elf32-cr16.c, * elf32-cr16c.c, * elf32-cris.c, * elf32-crx.c,
	* elf32-d10v.c, * elf32-d30v.c, * elf32-dlx.c, * elf32-epiphany.c,
	* elf32-fr30.c, * elf32-frv.c, * elf32-gen.c, * elf32-h8300.c,
	* elf32-hppa.c, * elf32-i370.c, * elf32-i386.c, * elf32-i860.c,
	* elf32-i960.c, * elf32-ip2k.c, * elf32-iq2000.c, * elf32-lm32.c,
	* elf32-m32c.c, * elf32-m32r.c, * elf32-m68hc11.c, * elf32-m68hc12.c,
	* elf32-m68k.c, * elf32-m88k.c, * elf32-mcore.c, * elf32-mep.c,
	* elf32-metag.c, * elf32-microblaze.c, * elf32-mips.c, * elf32-moxie.c,
	* elf32-msp430.c, * elf32-mt.c, * elf32-nds32.c, * elf32-nios2.c,
	* elf32-or1k.c, * elf32-pj.c, * elf32-ppc.c, * elf32-rl78.c,
	* elf32-rx.c, * elf32-s390.c, * elf32-score.c, * elf32-sh-symbian.c,
	* elf32-sh.c, * elf32-sh64.c, * elf32-sparc.c, * elf32-spu.c,
	* elf32-tic6x.c, * elf32-tilegx.c, * elf32-tilepro.c, * elf32-v850.c,
	* elf32-vax.c, * elf32-xc16x.c, * elf32-xgate.c, * elf32-xstormy16.c,
	* elf32-xtensa.c, * elf64-alpha.c, * elf64-gen.c, * elf64-hppa.c,
	* elf64-ia64-vms.c, * elf64-mips.c, * elf64-mmix.c, * elf64-ppc.c,
	* elf64-s390.c, * elf64-sh64.c, * elf64-sparc.c, * elf64-tilegx.c,
	* elf64-x86-64.c, * elfn32-mips.c, * elfnn-aarch64.c, * elfnn-ia64.c,
	* epoc-pe-arm.c, * epoc-pei-arm.c, * hp300bsd.c, * hp300hpux.c,
	* hppabsd-core.c, * hpux-core.c, * i386aout.c, * i386bsd.c,
	* i386dynix.c, * i386freebsd.c, * i386linux.c, * i386lynx.c,
	* i386mach3.c, * i386msdos.c, * i386netbsd.c, * i386os9k.c,
	* irix-core.c, * m68k4knetbsd.c, * m68klinux.c, * m68knetbsd.c,
	* m88kmach3.c, * m88kopenbsd.c, * mach-o-i386.c, * mach-o-x86-64.c,
	* makefile.vms, * mipsbsd.c, * mmo.c, * netbsd-core.c, * newsos3.c,
	* nlm32-alpha.c, * nlm32-i386.c, * nlm32-ppc.c, * nlm32-sparc.c,
	* ns32knetbsd.c, * osf-core.c, * pc532-mach.c, * pe-arm-wince.c,
	* pe-arm.c, * pe-i386.c, * pe-mcore.c, * pe-mips.c, * pe-ppc.c,
	* pe-sh.c, * pe-x86_64.c, * pei-arm-wince.c, * pei-arm.c,
	* pei-i386.c, * pei-ia64.c, * pei-mcore.c, * pei-mips.c, * pei-ppc.c,
	* pei-sh.c, * pei-x86_64.c, * ppcboot.c, * ptrace-core.c, * riscix.c,
	* sco5-core.c, * som.c, * sparclinux.c, * sparclynx.c,
	* sparcnetbsd.c, * sunos.c, * targets.c, * trad-core.c,
	* vax1knetbsd.c, * vaxbsd.c, * vaxnetbsd.c, * versados.c,
	* vms-alpha.c, * vms-lib.c: Rename bfd targets to
	<cpu>_<format>_<other>_<endian>_vec.  Adjust associated MY macros
	on aout targets.
	* configure: Regenerate.
binutils/
	* emul_aix.c: Update bfd target vector naming.
	* testsuite/binutils-all/objcopy.exp: Likewise.
ld/
	* emultempl/metagelf.em: Update bfd target vector naming.
	* emultempl/nios2elf.em: Likewise.
	* emultempl/spuelf.em: Likewise.
	* emultempl/tic6xdsbt.em: Likewise.
2014-05-02 20:09:40 +09:30
Alan Modra 4b95cf5c0c Update copyright years 2014-03-05 22:16:15 +10:30
H.J. Lu 0ff2b86e7c Create the second PLT for BND relocations
Intel MPX introduces 4 bound registers, which will be used for parameter
passing in x86-64.  Bound registers are cleared by branch instructions.
Branch instructions with BND prefix will keep bound register contents.
This leads to 2 requirements to 64-bit MPX run-time:

1. Dynamic linker (ld.so) should save and restore bound registers during
symbol lookup.
2. Change the current 16-byte PLT0:

  ff 35 08 00 00 00	pushq  GOT+8(%rip)
  ff 25 00 10 00	jmpq  *GOT+16(%rip)
  0f 1f 40 00		nopl   0x0(%rax)

and 16-byte PLT1:

  ff 25 00 00 00 00    	jmpq   *name@GOTPCREL(%rip)
  68 00 00 00 00       	pushq  $index
  e9 00 00 00 00       	jmpq   PLT0

which clear bound registers, to preserve bound registers.

We use 2 new relocations:

to mark branch instructions with BND prefix.

When linker sees any R_X86_64_PC32_BND or R_X86_64_PLT32_BND relocations,
it switches to a different PLT0:

  ff 35 08 00 00 00	pushq  GOT+8(%rip)
  f2 ff 25 00 10 00	bnd jmpq *GOT+16(%rip)
  0f 1f 00		nopl   (%rax)

to preserve bound registers for symbol lookup and it also creates an
external PLT section, .pl.bnd.  Linker will create a BND PLT1 entry
in .plt:

  68 00 00 00 00       	pushq  $index
  f2 e9 00 00 00 00     bnd jmpq PLT0
  0f 1f 44 00 00        nopl 0(%rax,%rax,1)

and a 8-byte BND PLT entry in .plt.bnd:

  f2 ff 25 00 00 00 00  bnd jmpq *name@GOTPCREL(%rip)
  90			nop

Otherwise, linker will create a legacy PLT1 entry in .plt:

  68 00 00 00 00       	pushq  $index
  e9 00 00 00 00        jmpq PLT0
  66 0f 1f 44 00 00     nopw 0(%rax,%rax,1)

and a 8-byte legacy PLT in .plt.bnd:

  ff 25 00 00 00 00     jmpq  *name@GOTPCREL(%rip)
  66 90                 xchg  %ax,%ax

The initial value of the GOT entry for "name" will be set to the the
"pushq" instruction in the corresponding entry in .plt.  Linker will
resolve reference of symbol "name" to the entry in the second PLT,
.plt.bnd.

Prelink stores the offset of pushq of PLT1 (plt_base + 0x10) in GOT[1]
and GOT[1] is stored in GOT[3].  We can undo prelink in GOT by computing
the corresponding the pushq offset with

GOT[1] + (GOT offset - &GOT[3]) * 2

Since for each entry in .plt except for PLT0 we create a 8-byte entry in
.plt.bnd, there is extra 8-byte per PLT symbol.

We also investigated the 16-byte entry for .plt.bnd.  We compared the
8-byte entry vs the the 16-byte entry for .plt.bnd on Sandy Bridge.
There are no performance differences in SPEC CPU 2000/2006 as well as
micro benchmarks.

Pros:
	No change to undo prelink in dynamic linker.
	Only 8-byte memory overhead for each PLT symbol.
Cons:
	Extra .plt.bnd section is needed.
	Extra 8 byte for legacy branches to PLT.
	GDB is unware of the new layout of .plt and .plt.bnd.

bfd/

	* elf64-x86-64.c (elf_x86_64_bnd_plt0_entry): New.
	(elf_x86_64_legacy_plt_entry): Likewise.
	(elf_x86_64_bnd_plt_entry): Likewise.
	(elf_x86_64_legacy_plt2_entry): Likewise.
	(elf_x86_64_bnd_plt2_entry): Likewise.
	(elf_x86_64_bnd_arch_bed): Likewise.
	(elf_x86_64_link_hash_entry): Add has_bnd_reloc and plt_bnd.
	(elf_x86_64_link_hash_table): Add plt_bnd.
	(elf_x86_64_link_hash_newfunc): Initialize has_bnd_reloc and
	plt_bnd.
	(elf_x86_64_copy_indirect_symbol): Also copy has_bnd_reloc.
	(elf_x86_64_check_relocs): Create the second PLT for Intel MPX
	in 64-bit mode.
	(elf_x86_64_allocate_dynrelocs): Handle the second PLT for IFUNC
	symbols.  Resolve call to the second PLT if it is created.
	(elf_x86_64_size_dynamic_sections): Keep the second PLT section.
	(elf_x86_64_relocate_section): Resolve PLT references to the
	second PLT if it is created.
	(elf_x86_64_finish_dynamic_symbol): Use BND PLT0 and fill the
	second PLT entry for BND relocation.
	(elf_x86_64_finish_dynamic_sections): Use MPX backend data if
	the second PLT is created.
	(elf_x86_64_get_synthetic_symtab): New.
	(bfd_elf64_get_synthetic_symtab): Likewise.  Undefine for NaCl.

ld/

	* emulparams/elf_x86_64.sh (TINY_READONLY_SECTION): New.

ld/testsuite/

	* ld-x86-64/mpx.exp: Run bnd-ifunc-1 and bnd-plt-1.
	* ld-x86-64/bnd-ifunc-1.d: New file.
	* ld-x86-64/bnd-ifunc-1.s: Likewise.
	* ld-x86-64/bnd-plt-1.d: Likewise.
2014-02-19 11:48:23 -08:00
H.J. Lu c353e543fe Revert the last change
It has been fixed by

commit 4199e3b866
Author: Alan Modra <amodra@gmail.com>
Date:   Wed Jan 15 21:50:55 2014 +1030

    non-PIC references to __ehdr_start in pie and shared

    Rather than hacking every backend to not discard dynamic relocations
    against an undefined hidden __ehdr_start, make it appear to be defined
    early.  We want __ehdr_start hidden before size_dynamic_sections so
    that it isn't put in .dynsym, but we do need the dynamic relocations
    for a PIE or shared library with a non-PIC reference.  Defining it
    early is wrong if we don't actually define the symbol later to its
    proper value.  (In some cases we want to leave the symbol undefined,
    for example, when the ELF header isn't loaded, and we don't have this
    infomation available in before_allocation.)

	* elf32-i386.c (elf_i386_allocate_dynrelocs): Revert the last
	change.
	* elf64-x86-64.c (elf_x86_64_allocate_dynrelocs): Likewise.
2014-01-15 03:59:42 -08:00
H.J. Lu 818d220a6f Don't discard relocs against __ehdr_start
__ehdr_start will be defined by assign_file_positions_for_non_load_sections
later.

	PR ld/16428
	* elf32-i386.c (elf_i386_allocate_dynrelocs): Don't discard relocs
	against __ehdr_start.
	* elf64-x86-64.c (elf_x86_64_allocate_dynrelocs): Likewise.
2014-01-14 16:42:35 -08:00
H.J. Lu c3ce498cbd Revert the last change
* elf32-i386.c (elf_i386_allocate_dynrelocs): Revert the last
	change.
	* elf64-x86-64.c (elf_x86_64_allocate_dynrelocs): Likewise.
2014-01-14 16:40:51 -08:00
H.J. Lu d1ec1e40b5 Don't update reloc count if there are any non pc-relative relocs
PR ld/16428
	* elf32-i386.c (elf_i386_allocate_dynrelocs): Don't update reloc
	count if there are any non pc-relative relocs.
	* elf64-x86-64.c (elf_x86_64_allocate_dynrelocs): Likewise.
2014-01-14 10:48:39 -08:00
H.J. Lu 782450358d Default elf_backend_post_process_headers to set OSABI
* elf-bfd.h (_bfd_elf_set_osabi): Renamed to ...
	(_bfd_elf_post_process_headers): This.
	* elf.c (_bfd_elf_compute_section_file_positions): Always
	call elf_backend_post_process_headers.
	(_bfd_elf_set_osabi): Renamed to ...
	(_bfd_elf_post_process_headers): This.
	* elf32-hppa.c (elf_backend_post_process_headers): Removed.
	* elf32-i370.c (elf_backend_post_process_headers): Likewise.
	* elf32-msp430.c (elf_backend_post_process_headers): Likewise.
	* elf32-ppc.c (elf_backend_post_process_headers): Likewise.
	* elf32-sparc.c (elf_backend_post_process_headers): Likewise.
	* elf64-hppa.c (elf_backend_post_process_headers): Likewise.
	* elf64-ppc.c (elf_backend_post_process_headers): Likewise.
	* elf64-sparc.c (elf_backend_post_process_headers): Likewise.
	* elf64-x86-64.c (elf_backend_post_process_headers): Likewise.
	*  (elf_backend_post_process_headers): Likewise.
	*  (elf_backend_post_process_headers): Likewise.
	* elf32-i386.c (elf_backend_post_process_headers): Don't
	define as _bfd_elf_set_osabi.
	(elf_i386_fbsd_post_process_headers): Updated.
	* elf32-mips.c (elf_fbsd_post_process_headers): Removed.
	(elf_backend_post_process_headers): Likewise.
	* elf32-tic6x.c (elf32_tic6x_set_osabi): Removed.
	(elf_backend_post_process_headers): Likewise.
	* elf64-mips.c (elf_fbsd_post_process_headers): Removed.
	(elf_backend_post_process_headers): Likewise.
	* elfn32-mips.c (elf_fbsd_post_process_headers): Removed.
	(elf_backend_post_process_headers): Likewise.
	* elfnn-aarch64.c (elfNN_aarch64_post_process_headers): Updated.
	* elfxx-target.h (elf_backend_post_process_headers): Default
	to _bfd_elf_post_process_headers.
2013-12-17 13:41:17 -08:00
H.J. Lu 0c7231013c Re-indent elf_x86_64_section_from_shdr
* elf64-x86-64.c (elf_x86_64_section_from_shdr): Re-indent.
2013-11-19 13:00:42 -08:00
H.J. Lu c33205431a Add R_X86_64_PC32_BND and R_X86_64_PLT32_BND
bfd/

	* elf64-x86-64.c (x86_64_elf_howto_table): Add R_X86_64_PC32_BND
	and R_X86_64_PLT32_BND.
	(R_X86_64_standard): Replace R_X86_64_RELATIVE64 with
	R_X86_64_PLT32_BND.
	(IS_X86_64_PCREL_TYPE): Add R_X86_64_PLT32_BND.
	(x86_64_reloc_map): Add BFD_RELOC_X86_64_PC32_BND and
	BFD_RELOC_X86_64_PLT32_BND.
	(elf_x86_64_check_relocs): Handle R_X86_64_PC32_BND and
	R_X86_64_PLT32_BND.
	(elf_x86_64_gc_sweep_hook): Likewise.
	(elf_x86_64_relocate_section): Likewise.
	* reloc.c (bfd_reloc_code_real): Add BFD_RELOC_X86_64_PC32_BND
	and BFD_RELOC_X86_64_PLT32_BND.
	* bfd-in2.h: Regenerated.
	* libbfd.h: Likewise.

gas/

	* config/tc-i386.c (reloc): Add an argument, bnd_prefix, to
	indicate if instruction has the BND prefix.  Return
	BFD_RELOC_X86_64_PC32_BND instead of BFD_RELOC_32_PCREL if
	bnd_prefix isn't zero.
	(output_branch): Pass BFD_RELOC_X86_64_PC32_BND to frag_var
	if needed.
	(output_jump): Update reloc call.
	(output_interseg_jump): Likewise.
	(output_disp): Likewise.
	(output_imm): Likewise.
	(x86_cons_fix_new): Likewise.
	(lex_got): Add an argument, bnd_prefix, to indicate if
	instruction has the BND prefix.  Use BFD_RELOC_X86_64_PLT32_BND
	if needed.
	(x86_cons): Update lex_got call.
	(i386_immediate): Likewise.
	(i386_displacement): Likewise.
	(md_apply_fix): Handle BFD_RELOC_X86_64_PC32_BND and
	BFD_RELOC_X86_64_PLT32_BND.
	(tc_gen_reloc): Likewise.
	* config/tc-i386-intel.c (i386_operator): Update lex_got call.

gas/testsuite/

	* gas/i386/i386.exp: Run x86-64-mpx-branch-1 and
	x86-64-mpx-branch-2 on 64-bit ELF targets.
	* gas/i386/x86-64-mpx-branch-1.d: New file.
	* gas/i386/x86-64-mpx-branch-1.s: Likewise.
	* gas/i386/x86-64-mpx-branch-2.d: Likewise.
	* gas/i386/x86-64-mpx-branch-2.s: Likewise.

include/elf/

	* x86-64.h: Add R_X86_64_PC32_BND and R_X86_64_PLT32_BND.

ld/testsuite/

	* ld-x86-64/mpx.exp: New file.
	* ld-x86-64/mpx1.out: Likewise.
	* ld-x86-64/mpx1a.c: Likewise.
	* ld-x86-64/mpx1a.rd: Likewise.
	* ld-x86-64/mpx1b.c: Likewise.
	* ld-x86-64/mpx1c.c: Likewise.
	* ld-x86-64/mpx1c.rd: Likewise.
2013-11-17 08:57:56 -08:00
H.J. Lu bb81b736af Make room for PLT0 directly
* elf32-i386.c (elf_i386_allocate_dynrelocs): Make room for
	PLT0 directly.
	* elf64-x86-64.c (elf_x86_64_allocate_dynrelocs): Likewise.
2013-11-15 09:32:24 -08:00
Roland McGrath 64b384e1e8 Set CPU type in BFD backend for x86_64-nacl* and i?86-nacl* targets
bfd/
	* archures.c (bfd_mach_i386_nacl): Fix definition so it doesn't
	collide with bfd_mach_l1om.
	* bfd-in2.h: Regenerate.

	* elf32-i386.c (elf32_i386_nacl_elf_object_p): New function.
	(elf_backend_object_p): Use that in elf32-i386-nacl definition.
	* elf64-x86-64.c (elf64_x86_64_nacl_elf_object_p): New function.
	(elf_backend_object_p): Use that in elf64-x86-64-nacl definition.
	(elf32_x86_64_nacl_elf_object_p): New function.
	(elf_backend_object_p): Use that in elf32-x86-64-nacl definition.

binutils/
	* objdump.c (dump_dwarf): Grok bfd_mach_x86_64_nacl and
	bfd_mach_x64_32_nacl as equivalent to bfd_mach_x86_64.

ld/testsuite/
	* ld-x86-64/x86-64.exp (mixed1, mixed2): Loosen error string match
	so it accepts "i386:nacl" in place of "i386".
	* ld-x86-64/ilp32-2.d: Likewise.
	* ld-x86-64/ilp32-3.d: Likewise.
	* ld-x86-64/lp64-2.d: Likewise.
	* ld-x86-64/lp64-3.d: Likewise.
2013-11-07 10:00:32 -08:00
H.J. Lu 62d887d406 Pass ignored unresolved relocations to ld backend
bfd/

	PR ld/4409
	* elf-bfd.h (RELOC_FOR_GLOBAL_SYMBOL): Add an argument for
	error ignored.
	* elf-m10200.c (mn10200_elf_relocate_section): Updated.
	* elf-m10300.c (mn10300_elf_relocate_section): Likewise.
	* elf32-arm.c (elf32_arm_relocate_section): Likewise.
	* elf32-avr.c (elf32_avr_relocate_section): Likewise.
	* elf32-bfin.c (bfinfdpic_relocate_section): Likewise.
	(bfin_relocate_section): Likewise.
	* elf32-cr16.c (elf32_cr16_relocate_section): Likewise.
	* elf32-cr16c.c (elf32_cr16c_relocate_section): Likewise.
	* elf32-cris.c (cris_elf_relocate_section): Likewise.
	* elf32-crx.c (elf32_crx_relocate_section): Likewise.
	* elf32-d10v.c (elf32_d10v_relocate_section): Likewise.
	* elf32-epiphany.c (epiphany_elf_relocate_section): Likewise.
	* elf32-fr30.c (fr30_elf_relocate_section): Likewise.
	* elf32-frv.c (elf32_frv_relocate_section): Likewise.
	* elf32-h8300.c (elf32_h8_relocate_section): Likewise.
	* elf32-hppa.c (elf32_hppa_relocate_section): Likewise.
	* elf32-i386.c (elf_i386_relocate_section): Likewise.
	* elf32-i860.c (elf32_i860_relocate_section): Likewise.
	* elf32-ip2k.c (ip2k_elf_relocate_section): Likewise.
	* elf32-iq2000.c (iq2000_elf_relocate_section): Likewise.
	* elf32-lm32.c (lm32_elf_relocate_section): Likewise.
	* elf32-m68hc1x.c (elf32_m68hc11_relocate_section): Likewise.
	* elf32-m68k.c (elf_m68k_relocate_section): Likewise.
	* elf32-metag.c (elf_metag_relocate_section): Likewise.
	* elf32-microblaze.c (microblaze_elf_relocate_section): Likewise.
	* elf32-mcore.c (mcore_elf_relocate_section): Likewise.
	* elf32-mep.c (mep_elf_relocate_section): Likewise.
	* elf32-moxie.c (moxie_elf_relocate_section): Likewise.
	* elf32-msp430.c (elf32_msp430_relocate_section): Likewise.
	* elf32-mt.c (mt_elf_relocate_section): Likewise.
	* elf32-nios2.c (nios2_elf32_relocate_section): Likewise.
	* elf32-openrisc.c (openrisc_elf_relocate_section): Likewise.
	* elf32-ppc.c (ppc_elf_relocate_section): Likewise.
	* elf32-rl78.c (rl78_elf_relocate_section): Likewise.
	* elf32-rx.c (rx_elf_relocate_section): Likewise.
	* elf32-tic6x.c (elf32_tic6x_relocate_section): Likewise.
	* elf32-tilepro.c (tilepro_elf_relocate_section): Likewise.
	* elf32-s390.c (elf_s390_relocate_section): Likewise.
	* elf32-v850.c (v850_elf_relocate_section): Likewise.
	* elf32-vax.c (elf_vax_relocate_section): Likewise.
	* elf32-xc16x.c (elf32_xc16x_relocate_section): Likewise.
	* elf32-xstormy16.c (xstormy16_elf_relocate_section): Likewise.
	* elf32-xtensa.c (elf_xtensa_relocate_section): Likewise.
	* elf64-alpha.c (elf64_alpha_relocate_section): Likewise.
	* elf64-ia64-vms.c (elf64_ia64_relocate_section): Likewise.
	* elf64-mmix.c (mmix_elf_relocate_section): Likewise.
	* elf64-ppc.c (ppc64_elf_relocate_section): Likewise.
	* elf64-s390.c (elf_s390_relocate_section): Likewise.
	* elf64-x86-64.c (elf64_x86_64_relocate_section): Likewise.
	* elfxx-sparc.c (_bfd_sparc_elf_relocate_section): Likewise.
	* elfxx-tilegx.c (tilegx_elf_relocate_section): Likewise.
	* elfnn-aarch64.c (elfNN_aarch64_relocate_section): Likewise.

	* elfnn-ia64.c (elfNN_ia64_relocate_section): Skip if error
	from RELOC_FOR_GLOBAL_SYMBOL in executable is ignored.

ld/testsuite/

	PR ld/4409
	* ld-ia64/error1.d: New file.
	* ld-ia64/error1.s: Likewise.
	* ld-ia64/error2.d: Likewise.
	* ld-ia64/error3.d: Likewise.
2013-11-05 10:29:44 -08:00
Roland McGrath 70cc877f6e BFD: elf64-x86-64-nacl: Correct 9-byte nop sequence used in PLT0 entry.
bfd/
	* elf64-x86-64.c (elf_x86_64_nacl_plt0_entry): Correct 9-byte nop
	sequence to match what the assembler generates.
2013-10-29 16:15:38 -07:00
Jakub Jelinek 5c98a14e1e * elf64-x86-64.c (elf_x86_64_check_tls_transition): Allow
64-bit -mcmodel=large -fpic TLS GD and LD sequences.
	(elf_x86_64_relocate_section): Handle -mcmodel=large -fpic
	TLS GD and LD sequences in GD->LE, GD->IE and LD->LE transitions.
ld/testsuite/
	* ld-x86-64/x86-64.exp: Add tlsld3, tlsgd7 and tlsgd8 tests.
	* ld-x86-64/tlspic1.s: Add -mcmodel=large -fpic TLS GD and LD
	sequences.
	* ld-x86-64/tlspic.dd: Adjusted.
	* ld-x86-64/tlspic.rd: Adjusted.
	* ld-x86-64/tlspic-nacl.rd: Adjusted.
	* ld-x86-64/tlsld3.dd: New test.
	* ld-x86-64/tlsld3.s: New file.
	* ld-x86-64/tlsgd7.dd: New test.
	* ld-x86-64/tlsgd7.s: New file.
	* ld-x86-64/tlsgd8.dd: New test.
	* ld-x86-64/tlsgd8.s: New file.
2013-08-29 10:25:27 +00:00
Roland McGrath 887badb310 bfd/
* elf-nacl.c (nacl_modify_segment_map): Fix logic reordering the
	elf_segment_map list.  If an executable segment is page-aligned
	but does not end with a full page, then append a fake section into
	the segment map entry that pads out the page.
	(nacl_final_write_processing): New function.  Write the code fill
	laid out in nacl_modify_segment_map.
	* elf-nacl.h: Declare it.
	* elf32-arm.c (elf32_arm_nacl_final_write_processing): New function.
	(elf_backend_final_write_processing): Define it for NaCl backend.
	* elf32-i386.c (elf_backend_final_write_processing): Likewise.
	* elf64-x86-64.c (elf_backend_final_write_processing): Likewise.

	* elf-nacl.c (segment_eligible_for_headers): Rename MAXPAGESIZE
	parameter to MINPAGESIZE.
	(nacl_modify_segment_map): Use minpagesize instead of maxpagesize.

	* elf32-arm.c (ELF_MINPAGESIZE, ELF_COMMONPAGESIZE): Set to
	0x10000	for NaCl targets.

ld/testsuite/
	* ld-x86-64/ilp32-4-nacl.d: Loosen .shstrtab line regexp to match
	any file offset.
	* ld-x86-64/tlsbin-nacl.rd: Update expected code segment PT_LOAD.
	* ld-x86-64/tlsbindesc-nacl.rd: Likewise.
	* ld-scripts/rgn-at3.d: XFAIL for *-*-nacl* targets.
	* ld-scripts/rgn-over8-ok.d: Likewise.
2013-08-26 19:27:25 +00:00
H.J. Lu f8222080f6 Add get_elf_x86_64_arch_data
* elf64-x86-64.c (get_elf_x86_64_arch_data): New.
	(get_elf_x86_64_backend_data): Use it.
	(elf_x86_64_size_dynamic_sections): Likewise.
2013-08-23 19:29:13 +00:00
H.J. Lu a69ed7f7aa Handle R_X86_64_DTPOFF64
bfd/

	PR ld/15685
	* elf64-x86-64.c (elf_x86_64_relocate_section): Handle
	R_X86_64_DTPOFF64.

ld/testsuite/

	PR ld/15685
	* ld-x86-64/tlsg.s: Add a test for R_X86_64_DTPOFF64.
	* ld-x86-64/tlsg.sd: Updated.
2013-06-28 15:07:55 +00:00
Will Newton 7b70956dc8 bfd/elf-ifunc.c: Add header size arg to _bfd_elf_allocate_ifunc_dyn_relocs.
bfd/ChangeLog:

2013-05-07  Will Newton  <will.newton@linaro.org>

	* elf-ifunc.c (_bfd_elf_allocate_ifunc_dyn_relocs): Add a
	plt_header_size argument for ports where it differs from
	plt_entry_size.
	* elf-bfd.h: Likewise.
	* elf32-i386.c: Pass plt_header_size to
	_bfd_elf_allocate_ifunc_dyn_relocs.
	* elf64-x86-64.c: Likewise.
2013-05-07 17:03:52 +00:00
H.J. Lu 61315175ad Set non_ir_ref if a symbol is referenced by a non-shared object
bfd/

	PR ld/15323
	* elf32-i386.c (elf_i386_check_relocs): Set non_ir_ref if a
	symbol is referenced by a non-shared object.
	* elf64-x86-64.c (elf_x86_64_check_relocs): Likewise.

ld/testsuite/

	PR ld/15323
	* ld-plugin/lto.exp (lto_link_tests): Add pr15323a-r.o.
	(lto_run_tests): Add a test for PR ld/15323.

	* ld-plugin/pr15323.out: New file.
	* ld-plugin/pr15323a.c: Likewise.
	* ld-plugin/pr15323b.c: Likewise.
2013-03-30 00:38:39 +00:00
Alan Modra 7e612e9848 * elf-bfd.h (enum elf_reloc_type_class): Add reloc_class_ifunc.
(struct elf_backend_data <elf_backed_reloc_type_class>): Add
	bfd_link_info* and asection* params.
	(_bfd_elf_reloc_type_class): Likewise.
	* elf.c (_bfd_elf_reloc_type_class): Likewise.
	* elflink.c (elf_link_sort_cmp2): Sort first on reloc class.
	(elf_link_sort_relocs): Update elf_backed_reloc_type_class call.
	* elf32-ppc.c (ppc_elf_reloc_type_class): Return reloc_class_ifunc
	for any reliplt reloc.  Don't return reloc_class_plt for
	R_PPC_REL24 and R_PPC_ADDR24.
	* elf64-ppc.c (allocate_got): Formatting.
	(ppc64_elf_reloc_type_class): Return reloc_class_ifunc for any
	reliplt reloc.
	* elf-m10300.c, * elf32-arm.c, * elf32-bfin.c, * elf32-cr16.c,
	* elf32-cris.c, * elf32-hppa.c, * elf32-i386.c, * elf32-lm32.c,
	* elf32-m32r.c, * elf32-m68k.c, * elf32-metag.c, * elf32-nios2.c,
	* elf32-s390.c, * elf32-sh.c, * elf32-sparc.c, * elf32-tilepro.c,
	* elf32-vax.c, * elf32-xtensa.c, * elf64-aarch64.c, * elf64-alpha.c,
	* elf64-hppa.c, * elf64-ia64-vms.c, * elf64-s390.c, * elf64-sparc.c,
	* elf64-x86-64.c, * elfnn-ia64.c, * elfxx-tilegx.c, * elfxx-tilegx.h:
	Add extra params to the various reloc_type_class functions.
2013-03-27 13:37:51 +00:00
Alan Modra 5d13b3b319 * elf-bfd.h (struct elf_backend_data <merge_symbol>): Update proto.
(_bfd_elf_init_reloc_shdr): Delete.
	* elf.c (_bfd_elf_init_reloc_shdr): Make static.
	* elf64-x86-64.c (elf_x86_64_merge_symbol): Trim parameters to
	just what is needed.
	* elflink.c (_bfd_elf_merge_symbol): Update bed->merge_symbol call.
2013-03-25 06:00:06 +00:00
Alan Modra 228e534f16 * elf-bfd.h (struct core_elf_obj_tdata): New.
(struct elf_obj_tdata): Delete core_signal, core_pid, core_lwpid,
	core_program, and core_command.  Add "core".
	* elf.c (bfd_elf_mkcorefile): Allocate "core" struct.
	Update all refs to tdata core fields.
	* elf32-am33lin.c, * elf32-arm.c, * elf32-cris.c, * elf32-frv.c,
	* elf32-hppa.c, * elf32-i386.c, * elf32-m68k.c, * elf32-mips.c,
	* elf32-nios2.c, * elf32-ppc.c, * elf32-s390.c, * elf32-score.c,
	* elf32-score7.c, * elf32-sh.c, * elf32-sparc.c, * elf32-tilegx.c,
	* elf32-tilepro.c, * elf32-xtensa.c, * elf64-aarch64.c,
	* elf64-hppa.c, * elf64-mips.c, * elf64-ppc.c, * elf64-tilegx.c,
	* elf64-x86-64.c, * elfcore.h, * elfn32-mips.c: Update all refs
	to tdata core fields.
2013-02-21 03:02:30 +00:00
Alan Modra 9f7c3e5e99 * elfcode.h (elf_checksum_contents): Free contents.
* elf-bfd.h (_bfd_elf_link_hash_table_free): Declare.
	* elflink.c (_bfd_elf_link_hash_table_free): New function.
	(elf_final_link_free): New function, extracted from..
	(bfd_elf_final_link): ..here.  Always call
	_bfd_elf_write_section_eh_frame_hdr.
	* elfxx-target.h (bfd_elfNN_bfd_link_hash_table_free): Default to
	_bfd_elf_link_hash_table_free.
	* libbfd-in.h (_bfd_merge_sections_free): Declare.
	* libbfd.h: Regenerate.
	* merge.c (_bfd_merge_sections_free): New function.
	* elf-eh-frame.c (_bfd_elf_write_section_eh_frame_hdr): Free
	hdr_info->array.
	* elf-m10300.c (elf32_mn10300_link_hash_table_free): Call
	_bfd_elf_link_hash_table_free.
	* elf32-arm.c (elf32_arm_link_hash_table_free): Likewise.
	* elf32-avr.c (elf32_avr_link_hash_table_free): Likewise.
	* elf32-hppa.c (elf32_hppa_link_hash_table_free): Likewise.
	* elf32-i386.c (elf_i386_link_hash_table_free): Likewise.
	* elf32-m68hc1x.c (m68hc11_elf_hash_table_free): Likewise.
	* elf32-m68k.c (elf_m68k_link_hash_table_free): Likewise.
	* elf32-metag.c (elf_metag_link_hash_table_free): Likewise.
	* elf32-xgate.c (xgate_elf_bfd_link_hash_table_free): Likewise.
	* elf64-aarch64.c (elf64_aarch64_link_hash_table_free): Likewise.
	* elf64-ia64-vms.c (elf64_ia64_hash_table_free): Likewise.
	* elf64-ppc.c (ppc64_elf_link_hash_table_free): Likewise.
	* elf64-x86-64.c (elf_x86_64_link_hash_table_free): Likewise.
	* elfnn-ia64.c (elfNN_ia64_hash_table_free): Likewise.
	* elf32-cr16.c (elf32_cr16_link_hash_table_free): Delete.
	(bfd_elf32_bfd_link_hash_table_free): Don't define.
	* elf32-tic6x.c (elf32_tic6x_link_hash_table_free): Delete.
	(bfd_elf32_bfd_link_hash_table_free): Dont' define.
2013-02-11 05:30:54 +00:00
Alan Modra 7bf52ea2ca * coff-arm.c (coff_arm_link_hash_table_create): Use bfd_zmalloc.
* coff-h8300.c (h8300_coff_link_hash_table_create): Likewise.
	* m68klinux.c (linux_link_hash_table_create): Likewise.
	* sparclinux.c (linux_link_hash_table_create): Likewise.
	* sunos.c (sunos_link_hash_table_create): Likewise.
	* xcofflink.c (_bfd_xcoff_bfd_link_hash_table_create): Likewise.
	* elf-m10300.c (elf32_mn10300_link_hash_table_create): Likewise.
	* elf32-arm.c (elf32_arm_link_hash_table_create): Likewise.
	* elf32-avr.c (elf32_avr_link_hash_table_create): Likewise.
	* elf32-cr16.c (elf32_cr16_link_hash_table_create): Likewise.
	* elf32-cris.c (elf_cris_link_hash_table_create): Likewise.
	* elf32-hppa.c (elf32_hppa_link_hash_table_create): Likewise.
	* elf32-i386.c (elf_i386_link_hash_table_create): Likewise.
	* elf32-lm32.c (lm32_elf_link_hash_table_create): Likewise.
	* elf32-m32r.c (m32r_elf_link_hash_table_create): Likewise.
	* elf32-m68hc1x.c (m68hc11_elf_hash_table_create): Likewise.
	* elf32-m68k.c (elf_m68k_link_hash_table_create): Likewise.
	* elf32-metag.c (elf_metag_link_hash_table_create): Likewise.
	* elf32-nios2.c (nios2_elf32_link_hash_table_create): Likewise.
	* elf32-s390.c (elf_s390_link_hash_table_create): Likewise.
	* elf32-score.c (elf32_score_link_hash_table_create): Likewise.
	* elf32-spu.c (spu_elf_link_hash_table_create): Likewise.
	* elf32-tic6x.c (elf32_tic6x_link_hash_table_create): Likewise.
	* elf32-vax.c (elf_vax_link_hash_table_create): Likewise.
	* elf32-xgate.c (xgate_elf_bfd_link_hash_table_create): Likewise.
	* elf32-xtensa.c (elf_xtensa_link_hash_table_create): Likewise.
	* elf64-aarch64.c (elf64_aarch64_link_hash_table_create): Likewise.
	* elf64-s390.c (elf_s390_link_hash_table_create): Likewise.
	* elf64-sh64.c (sh64_elf64_link_hash_table_create): Likewise.
	* elf64-x86-64.c (elf_x86_64_link_hash_table_create): Likewise.
	* elfxx-mips.c (_bfd_mips_elf_link_hash_table_create): Likewise.
	* elflink.c (_bfd_elf_link_hash_table_create): Likewise.
	(_bfd_elf_link_hash_table_init): Assume zero fill table on entry.
2013-02-10 04:36:33 +00:00
H.J. Lu 20e52bd2b8 Don't resolve size relocation against non-zero TLS symbol
bfd/

	* elf32-i386.c (elf_i386_allocate_dynrelocs): Don't clear pc_count
	for non-zero TLS symbol.
	(elf_i386_relocate_section): Don't resolve size relocation against
	non-zero TLS symbol.
	* elf64-x86-64.c (elf_x86_64_allocate_dynrelocs): Don't clear
	pc_count for non-zero TLS symbol.
	(elf_x86_64_relocate_section): Don't resolve size relocation
	against non-zero TLS symbol.

ld/testsuite/

	* ld-size/size-10.rd: Updated.
	* ld-size/size-8.rd: Likewise.
	* ld-size/size32-2-i386.d: Likewise.
	* ld-size/size32-2-x32.d: Likewise.
	* ld-size/size32-2-x86-64.d: Likewise.
	* ld-size/size64-2-x32.d: Likewise.
	* ld-size/size64-2-x86-64.d: Likewise.

	* ld-size/size.exp (run_time_tests): Pass --hash-styl=gnu to
	linker for size-8 test.
2013-02-07 02:15:30 +00:00
H.J. Lu 3bea1fcb8b Resolve size relocation against non-zero TLS symbol
bfd/

	* elf32-i386.c (elf_i386_allocate_dynrelocs): Clear pc_count for
	non-zero TLS symbol.
	(elf_i386_relocate_section): Resolve size relocation against
	non-zero TLS symbol.
	* elf64-x86-64.c (elf_x86_64_allocate_dynrelocs): Clear pc_count
	for non-zero TLS symbol.
	(elf_x86_64_relocate_section): Resolve size relocation against
	non-zero TLS symbol.

ld/testsuite/

	* ld-size/size-10.rd: Updated.
	* ld-size/size-8.rd: Likewise.
	* ld-size/size32-2-i386.d: Likewise.
	* ld-size/size32-2-x32.d: Likewise.
	* ld-size/size32-2-x86-64.d: Likewise.
	* ld-size/size64-2-x32.d: Likewise.
	* ld-size/size64-2-x86-64.d: Likewise.
2013-01-18 22:50:30 +00:00
H.J. Lu 06a6a421f2 Count size relocation as PC-relative relocation
bfd/

	* elf32-i386.c (elf_i386_check_relocs): Count size relocation as
	PC-relative relocation.
	* elf64-x86-64.c (elf_x86_64_check_relocs): Count size relocation
	as PC-relative relocation.

ld/testsuite/

	* ld-size/size32-3-i386.d: New file.
	* ld-size/size32-3-x32.d: Likewise.
	* ld-size/size32-3-x86-64.d: Likewise.
	* ld-size/size32-3.s: Likewise.
2013-01-17 23:36:10 +00:00
H.J. Lu 6a3e1baeae Update x86 size relocation check
* elf32-i386.c (elf_i386_check_relocs): Update R_386_SIZE32
	check.
	(elf_i386_relocate_section): Don't check TLS for R_386_SIZE32.

	* elf64-x86-64.c (elf_x86_64_check_relocs): Update R_X86_64_SIZE32
	and R_X86_64_SIZE64 check.
	(elf_x86_64_relocate_section): Don't check TLS for R_X86_64_SIZE32
	nor R_X86_64_SIZE64.
2013-01-16 22:41:03 +00:00
H.J. Lu 1788fc08f7 Add x86 size relocation support to bfd
* bfd-in2.h: Regenerated.
	* libbfd.h: Likewise.

	* elf32-i386.c (elf_howto_table): Fill R_386_SIZE32 entry.
	(elf_i386_reloc_type_lookup): Support BFD_RELOC_SIZE32.
	(elf_i386_check_relocs): Handle R_386_SIZE32.
	(elf_i386_gc_sweep_hook): Likewise.
	(elf_i386_relocate_section): Likewise.

	* elf64-x86-64.c (x86_64_elf_howto_table): Fill R_X86_64_SIZE32
	and R_X86_64_SIZE64 entries.
	(x86_64_reloc_map): Add BFD_RELOC_SIZE32 and BFD_RELOC_SIZE64,
	(elf_x86_64_rtype_to_howto): Handle R_X86_64_SIZE32 for x32.
	(elf_x86_64_reloc_name_lookup): Likewise.
	(elf_x86_64_check_relocs): Handle R_X86_64_SIZE32 and
	R_X86_64_SIZE64.
	(elf_x86_64_gc_sweep_hook): Likewise.
	(elf_x86_64_relocate_section): Likewise.

	* reloc.c (bfd_reloc_code_type): Add BFD_RELOC_SIZE32 and
	BFD_RELOC_SIZE64.
2013-01-16 21:34:46 +00:00
H.J. Lu 1e53645179 Define R_X86_64_standard with R_X86_64_RELATIVE64
* elf64-x86-64.c (R_X86_64_standard): Replace R_X86_64_IRELATIVE
	with R_X86_64_RELATIVE64.
2013-01-15 17:30:49 +00:00
H.J. Lu 68c4a57ee6 Set bfd errror for normal and TLS symbol access
* elf32-i386.c (elf_i386_check_relocs): Set bfd errror for
	normal and TLS symbol access.
	* elf64-x86-64.c (elf_x86_64_check_relocs): Likewise.
2013-01-13 00:30:20 +00:00
H.J. Lu 9911c0fc43 Check R_X86_64_standard for unrecognized relocation
* elf64-x86-64.c (elf_x86_64_relocate_section): Check
	R_X86_64_standard instead of R_X86_64_max for unrecognized
	relocation.
2012-12-21 20:54:59 +00:00
H.J. Lu a5479e5ff4 Properly adjust h->plt.refcount
bfd/

	PR ld/14980
	* elf32-i386.c (elf_i386_adjust_dynamic_symbol): Properly
	adjust h->plt.refcount.
	* elf64-x86-64.c (elf_x86_64_adjust_dynamic_symbol): Likewise.

ld/testsuite/

	PR ld/14980
	* ld-ifunc/ifunc-14c.s: New file.
	* ld-ifunc/ifunc-14e-i386.d: Likewise.
	* ld-ifunc/ifunc-14e-x86-64.d: Likewise.
	* ld-ifunc/ifunc-14f-i386.d: Likewise.
	* ld-ifunc/ifunc-14f-x86-64.d: Likewise.
2012-12-21 18:15:22 +00:00
H.J. Lu ad1e85de41 Don't check IFUNC relocations in elf_*_check_relocs
* elf32-i386.c (elf_i386_check_relocs): Don't check IFUNC
	relocations here.
	* elf64-x86-64.c (elf_x86_64_check_relocs): Likewise.
2012-12-16 23:01:13 +00:00
H.J. Lu 73bcf23385 Also check local IFUNC references
bfd/

	PR ld/14968
	* elf32-i386.c (elf_i386_adjust_dynamic_symbol): Also check
	local IFUNC references.
	* elf64-x86-64.c (elf_x86_64_adjust_dynamic_symbol): Likewise.

ld/testsuite/

	PR ld/14968
	* ld-ifunc/ifunc-18a-i386.d: New file.
	* ld-ifunc/ifunc-18a-x86-64.d: Likewise.
	* ld-ifunc/ifunc-18a.s: Likewise.
	* ld-ifunc/ifunc-18b-i386.d: Likewise.
	* ld-ifunc/ifunc-18b-x86-64.d: Likewise.
	* ld-ifunc/ifunc-18b.s: Likewise.
	* ld-ifunc/ifunc-19a-i386.d: Likewise.
	* ld-ifunc/ifunc-19a-x86-64.d: Likewise.
	* ld-ifunc/ifunc-19a.s: Likewise.
	* ld-ifunc/ifunc-19b-i386.d: Likewise.
	* ld-ifunc/ifunc-19b-x86-64.d: Likewise.
	* ld-ifunc/ifunc-19b.s: Likewise.
2012-12-16 20:31:08 +00:00
H.J. Lu 5ca5bb3545 Check local IFUNC calls
bfd/

2012-12-13  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/14956
	* elf32-i386.c (elf_i386_adjust_dynamic_symbol): Check local
	IFUNC calls.
	* elf64-x86-64.c (elf_x86_64_adjust_dynamic_symbol): Likewise.

ld/testsuite/

2012-12-13  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/14956
	* ld-ifunc/ifunc-14-i386.d: Renamed to ...
	* ld-ifunc/ifunc-14a-i386.d: This.

	* ld-ifunc/ifunc-14-x86-64.d: Renamed to ...
	* ld-ifunc/ifunc-14a-x86-64.d: This.

	* ld-ifunc/ifunc-14b-i386.d: New file.
	* ld-ifunc/ifunc-14b-x86-64.d: Likewise.
	* ld-ifunc/ifunc-14c-i386.d: Likewise.
	* ld-ifunc/ifunc-14c-x86-64.d: Likewise.
	* ld-ifunc/ifunc-14d-i386.d: Likewise.
	* ld-ifunc/ifunc-14d-x86-64.d: Likewise.
2012-12-13 21:07:16 +00:00
H.J. Lu b1bd052dee Add Linux/x86_64 core support to i[3-7]86-*-linux
* configure.in: Set CORE_HEADER to hosts/x86-64linux.h for
	'i[3-7]86-*-linux-*' if x86_64-*linux is enabled.
	* configure: Regenerated.

	* elf64-x86-64.c (elf_x86_64_write_core_note): Replace type
	'prpsinfo_t' and 'prstatus_t' with 'prpsinfo64_t' and
	'prstatus64_t' respectively.

	* hosts/x86-64linux.h (a8_uint64_t): New.
	(user_regsx32_struct): Renamed to ...
	(user_regs64_struct): This.  Replace uint64_t with a8_uint64_t.
	(elf_gregx32_t): Renamed to ...
	(elf_greg64_t): This.  Replace uint64_t with a8_uint64_t.
	(ELF_NGREGX32): Removed.
	(ELF_NGREG64): New.
	(elf_gregx32_t): Removed.
	(elf_greg64_t): New.
	(struct prstatus64_timeval): New.
	(elf_prstatusx32): Replace elf_gregsetx32_t with elf_gregset64_t.
	(elf_prstatus64): New.
	(elf_prpsinfo64): New.
	(prstatus64_t, prpsinfo64_t): New typedef.
2012-10-30 08:36:10 +00:00
H.J. Lu 9d4b2dba0e Replace _GLOBAL_OFFSET_TABLE_ lookup with htab->elf.hgot
* elf32-i386.c (elf_i386_size_dynamic_sections): Replace
	_GLOBAL_OFFSET_TABLE_ lookup with htab->elf.hgot.
	* elf64-x86-64.c (elf_x86_64_size_dynamic_sections): Likewise.
2012-10-25 13:36:08 +00:00
H.J. Lu fbdc86d9c9 Ignore discarded section when converting mov to lea
* elf32-i386.c (elf_i386_convert_mov_to_lea): Ignore discarded
	section.
	* elf64-x86-64.c (elf_x86_64_convert_mov_to_lea): Likewise.
2012-09-18 00:41:59 +00:00
H.J. Lu cec7f46ac2 Replace return FALSE with abort in x86 finish_dynamic_symbol
* elf32-i386.c (elf_i386_finish_dynamic_symbol): Replace return
	FALSE with abort.
	* elf64-x86-64.c (elf_x86_64_finish_dynamic_symbol): Likewise.
2012-09-17 18:31:15 +00:00
H.J. Lu 9637f6ef78 Add hdynamic to elf_link_hash_table for _DYNAMIC
* elf-bfd.h (elf_link_hash_table): Add hdynamic for the
	_DYNAMIC symbol.

	* elflink.c (_bfd_elf_link_create_dynamic_sections): Set
	hdynamic.

	* elf-m10300.c (_bfd_mn10300_elf_finish_dynamic_symbol): Check
	hdynamic instead of "_DYNAMIC".
	* elf32-arm.c (elf32_arm_finish_dynamic_symbol): Likewise.
	* elf32-cr16.c (elf32_arm_finish_dynamic_symbol): Likewise.
	* elf32-cris.c (elf_cris_finish_dynamic_symbol): Likewise.
	* elf32-hppa.c (elf32_hppa_finish_dynamic_symbol): Likewise.
	* elf32-i386.c (elf_i386_convert_mov_to_lea): Likewise.
	* elf32-lm32.c (lm32_elf_finish_dynamic_symbol): Likewise.
	* elf32-m32r.c (m32r_elf_finish_dynamic_symbol): Likewise.
	* elf32-s390.c (elf_s390_finish_dynamic_symbol): Likewise.
	* elf32-sh.c (sh_elf_finish_dynamic_symbol): Likewise.
	* elf32-tic6x.c (elf32_tic6x_finish_dynamic_symbol): Likewise.
	* elf32-tilepro.c (tilepro_elf_finish_dynamic_symbol): Likewise.
	* elf32-vax.c (elf_vax_finish_dynamic_symbol): Likewise.
	* elf32-xtensa.c (elf_xtensa_finish_dynamic_symbol): Likewise.
	* elf64-aarch64.c elf64_aarch64_finish_dynamic_symbol(): Likewise.
	* elf64-alpha.c (elf64_alpha_finish_dynamic_symbol): Likewise.
	* elf64-ia64-vms.c (elf64_ia64_finish_dynamic_symbol): Likewise.
	* elf64-s390.c (elf_s390_finish_dynamic_symbol): Likewise.
	* elf64-sh64.c (sh64_elf64_finish_dynamic_symbol): Likewise.
	* elf64-x86-64.c (elf_x86_64_convert_mov_to_lea): Likewise.
	* elfnn-ia64.c (elfNN_ia64_finish_dynamic_symbol): Likewise.
	* elfxx-mips.c (_bfd_mips_elf_finish_dynamic_symbol): Likewise.
	* elfxx-sparc.c (_bfd_sparc_elf_finish_dynamic_symbol): Likewise.
	* elfxx-tilegx.c (tilegx_elf_finish_dynamic_symbol): Likewise.

	* elf32-microblaze.c (microblaze_elf_finish_dynamic_symbol): Check
	hdynamic, hgot, hplt instead of _DYNAMIC, _GLOBAL_OFFSET_TABLE_,
	_PROCEDURE_LINKAGE_TABLE_.
	* elf32-score.c (s3_bfd_score_elf_finish_dynamic_symbol): Likewise.
	* elf32-score7.c (s7_bfd_score_elf_finish_dynamic_symbol): Likewise.
2012-09-02 12:17:27 +00:00
H.J. Lu 3f65f59941 Don't optimize relocation against _DYNAMIC
bfd/

	* elf32-i386.c (elf_i386_convert_mov_to_lea): Don't optimize
	_DYNAMIC.
	* elf64-x86-64.c (elf_x86_64_convert_mov_to_lea): Likewise.

ld/testsuite/

	* ld-i386/i386.exp: Run mov1a, mov1b.
	* ld-x86-64/x86-64.exp: Run mov1a, mov1b, mov1c, mov1d.

	* ld-i386/mov1.s: New file.
	* ld-i386/mov1a.d: Likewise.
	* ld-i386/mov1b.d: Likewise.
	* ld-x86-64/mov1.s: Likewise.
	* ld-x86-64/mov1a.d: Likewise.
	* ld-x86-64/mov1b.d: Likewise.
	* ld-x86-64/mov1c.d: Likewise.
	* ld-x86-64/mov1d.d: Likewise.
2012-09-01 02:50:14 +00:00