mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2025-03-01 13:26:47 +08:00
8e45593ff3
Joseph Myers <joseph@codesourcery.com>
Andrew Stubbs <ams@codesourcery.com>
bfd/
* config.bfd (sh-*-uclinux* | sh[12]-*-uclinux*): Add
bfd_elf32_shl_vec, and FDPIC vectors to targ_selvecs.
* configure.in: Handle FDPIC vectors.
* elf32-sh-relocs.h: Add FDPIC and movi20 relocations.
* elf32-sh.c (DEFAULT_STACK_SIZE): Define.
(SYMBOL_FUNCDESC_LOCAL): Define. Use it instead of
SYMBOL_REFERENCES_LOCAL for function descriptors.
(fdpic_object_p): New.
(sh_reloc_map): Add FDPIC and movi20 relocations.
(sh_elf_info_to_howto, sh_elf_relocate_section): Handle new invalid
range.
(struct elf_sh_plt_info): Add got20 and short_plt. Update all
definitions.
(FDPIC_PLT_ENTRY_SIZE, FDPIC_PLT_LAZY_OFFSET): Define.
(fdpic_sh_plt_entry_be, fdpic_sh_plt_entry_le, fdpic_sh_plts): New.
(FDPIC_SH2A_PLT_ENTRY_SIZE, FDPIC_SH2A_PLT_LAZY_OFFSET): Define.
(fdpic_sh2a_plt_entry_be, fdpic_sh2a_plt_entry_le)
(fdpic_sh2a_short_plt_be, fdpic_sh2a_short_plt_le, fdpic_sh2a_plts):
New.
(get_plt_info): Handle FDPIC.
(MAX_SHORT_PLT): Define.
(get_plt_index, get_plt_offset): Handle short_plt.
(union gotref): New.
(struct elf_sh_link_hash_entry): Add funcdesc, rename tls_type to
got_type and adjust all uses. Add GOT_FUNCDESC.
(struct sh_elf_obj_tdata): Add local_funcdesc. Rename
local_got_tls_type to local_got_type.
(sh_elf_local_got_type): Renamed from sh_elf_local_got_tls_type. All
users changed.
(sh_elf_local_funcdesc): Define.
(struct elf_sh_link_hash_table): Add sfuncdesc, srelfuncdesc, fdpic_p,
and srofixup.
(sh_elf_link_hash_newfunc): Initialize new fields.
(sh_elf_link_hash_table_create): Set fdpic_p.
(sh_elf_omit_section_dynsym): New.
(create_got_section): Create .got.funcdesc, .rela.got.funcdesc
and .rofixup.
(allocate_dynrelocs): Allocate local function descriptors and space
for R_SH_FUNCDESC-related relocations, and for rofixups.
Handle GOT_FUNCDESC. Create fixups. Handle GOT entries which
require function descriptors.
(sh_elf_always_size_sections): Handle PT_GNU_STACK and __stacksize.
(sh_elf_modify_program_headers): New.
(sh_elf_size_dynamic_sections): Allocate function descriptors for
local symbols. Allocate .got.funcdesc contents. Allocate rofixups.
Handle local GOT entries of type GOT_FUNCDESC. Create fixups for
local GOT entries. Ensure that FDPIC libraries always have a PLTGOT
entry in the .dynamic section.
(sh_elf_add_dyn_reloc, sh_elf_got_offset, sh_elf_initialize_funcdesc)
(sh_elf_add_rofixup, sh_elf_osec_to_segment)
(sh_elf_osec_readonly_p, install_movi20_field): New functions.
(sh_elf_relocate_section): Handle new relocations, R_SH_FUNCDESC,
R_SH_GOTFUNCDESC and R_SH_GOTOFFFUNCDESC. Use sh_elf_got_offset
and .got.plt throughout to find _GLOBAL_OFFSET_TABLE_. Add rofixup
read-only section warnings. Handle undefined weak symbols. Generate
fixups for R_SH_DIR32 and GOT entries. Check for cross-segment
relocations and clear EF_SH_PIC. Handle 20-bit relocations.
Always generate R_SH_DIR32 for FDPIC instead of R_SH_RELATIVE.
(sh_elf_gc_sweep_hook): Handle R_SH_FUNCDESC, R_SH_GOTOFF20,
R_SH_GOTFUNCDESC, R_SH_GOTFUNCDESC20, and R_SH_GOTOFFFUNCDESC.
Handle 20-bit relocations.
(sh_elf_copy_indirect_symbol): Copy function descriptor reference
counts.
(sh_elf_check_relocs): Handle new relocations. Make symbols
dynamic for FDPIC relocs. Account for rofixups. Error for FDPIC
symbol mismatches. Allocate a GOT for R_SH_DIR32. Allocate fixups
for R_SH_DIR32.
(sh_elf_copy_private_data): Copy PT_GNU_STACK size.
(sh_elf_merge_private_data): Copy initial flags. Do not clobber
non-mach flags. Set EF_SH_PIC for FDPIC. Reject FDPIC mismatches.
(sh_elf_finish_dynamic_symbol): Do not handle got_funcdesc entries
here. Rename sgot to sgotplt and srel to srelplt. Handle short_plt,
FDPIC descriptors, and got20. Create R_SH_FUNCDESC_VALUE for FDPIC.
Use install_movi20_field. Rename srel to srelgot. Always generate
R_SH_DIR32 for FDPIC instead of R_SH_RELATIVE.
(sh_elf_finish_dynamic_sections): Fill in the GOT pointer in rofixup.
Do not fill in reserved GOT entries for FDPIC. Correct DT_PLTGOT.
Rename sgot to sgotplt. Assert that the right number of rofixups
and dynamic relocations were allocated.
(sh_elf_use_relative_eh_frame, sh_elf_encode_eh_address): New.
(elf_backend_omit_section_dynsym): Use sh_elf_omit_section_dynsym.
(elf_backend_can_make_relative_eh_frame)
(elf_backend_can_make_lsda_relative_eh_frame)
(elf_backend_encode_eh_address): Define.
(TARGET_BIG_SYM, TARGET_BIG_NAME, TARGET_LITTLE_SYM)
(TARGET_LITTLE_NAME, elf_backend_modify_program_headers, elf32_bed):
Redefine for FDPIC vector.
* reloc.c: Add SH FDPIC and movi20 relocations.
* targets.c (_bfd_target_vector): Add FDPIC vectors.
* configure, bfd-in2.h, libbfd.h: Regenerated.
binutils/
* readelf.c (get_machine_flags): Handle EF_SH_PIC and EF_SH_FDPIC.
gas/
* config/tc-sh.c (sh_fdpic): New.
(sh_check_fixup): Handle relocations on movi20.
(parse_exp): Do not reject PIC operators here.
(build_Mytes): Check for unhandled PIC operators here. Use
sh_check_fixup for movi20.
(enum options): Add OPTION_FDPIC.
(md_longopts, md_parse_option, md_show_usage): Add --fdpic.
(sh_fix_adjustable, md_apply_fix): Handle FDPIC and movi20 relocations.
(sh_elf_final_processing): Handle --fdpic.
(sh_uclinux_target_format): New.
(sh_parse_name): Handle FDPIC relocation operators.
* config/tc-sh.h (TARGET_FORMAT): Define specially for TE_UCLINUX.
(sh_uclinux_target_format): Declare for TE_UCLINUX.
* configure.tgt (sh-*-uclinux* | sh[12]-*-uclinux*): Set
em=uclinux.
* doc/c-sh.texi (SH Options): Document --fdpic.
gas/testsuite/
* gas/sh/basic.exp: Run new tests. Handle uClinux like Linux.
* gas/sh/fdpic.d: New file.
* gas/sh/fdpic.s: New file.
* gas/sh/reg-prefix.d: Force big-endian.
* gas/sh/sh2a-pic.d: New file.
* gas/sh/sh2a-pic.s: New file.
* lib/gas-defs.exp (is_elf_format): Include sh*-*-uclinux*.
include/elf/
* sh.h (EF_SH_PIC, EF_SH_FDPIC): Define.
(R_SH_FIRST_INVALID_RELOC_6, R_SH_LAST_INVALID_RELOC_6): New. Adjust
other invalid ranges.
(R_SH_GOT20, R_SH_GOTOFF20, R_SH_GOTFUNCDESC, R_SH_GOTFUNCDESC20)
(R_SH_GOTOFFFUNCDESC, R_SH_GOTOFFFUNCDESC20, R_SH_FUNCDESC)
(R_SH_FUNCDESC_VALUE): New.
ld/
* Makefile.am (ALL_EMULATIONS): Add eshelf_fd.o and eshlelf_fd.o.
(eshelf_fd.c, eshlelf_fd.c): New rules.
* Makefile.in: Regenerate.
* configure.tgt (sh-*-uclinux*): Add shelf_fd and shlelf_fd
emulations.
* emulparams/shelf_fd.sh: New file.
* emulparams/shlelf_fd.sh: New file.
* emulparams/shlelf_linux.sh: Update comment.
ld/testsuite/
* ld-sh/sh.exp: Handle uClinux like Linux.
* lib/ld-lib.exp (is_elf_format): Include sh*-*-uclinux*.
* ld-sh/fdpic-funcdesc-shared.d: New file.
* ld-sh/fdpic-funcdesc-shared.s: New file.
* ld-sh/fdpic-funcdesc-static.d: New file.
* ld-sh/fdpic-funcdesc-static.s: New file.
* ld-sh/fdpic-gotfuncdesc-shared.d: New file.
* ld-sh/fdpic-gotfuncdesc-shared.s: New file.
* ld-sh/fdpic-gotfuncdesc-static.d: New file.
* ld-sh/fdpic-gotfuncdesc-static.s: New file.
* ld-sh/fdpic-gotfuncdesci20-shared.d: New file.
* ld-sh/fdpic-gotfuncdesci20-shared.s: New file.
* ld-sh/fdpic-gotfuncdesci20-static.d: New file.
* ld-sh/fdpic-gotfuncdesci20-static.s: New file.
* ld-sh/fdpic-goti20-shared.d: New file.
* ld-sh/fdpic-goti20-shared.s: New file.
* ld-sh/fdpic-goti20-static.d: New file.
* ld-sh/fdpic-goti20-static.s: New file.
* ld-sh/fdpic-gotofffuncdesc-shared.d: New file.
* ld-sh/fdpic-gotofffuncdesc-shared.s: New file.
* ld-sh/fdpic-gotofffuncdesc-static.d: New file.
* ld-sh/fdpic-gotofffuncdesc-static.s: New file.
* ld-sh/fdpic-gotofffuncdesci20-shared.d: New file.
* ld-sh/fdpic-gotofffuncdesci20-shared.s: New file.
* ld-sh/fdpic-gotofffuncdesci20-static.d: New file.
* ld-sh/fdpic-gotofffuncdesci20-static.s: New file.
* ld-sh/fdpic-gotoffi20-shared.d: New file.
* ld-sh/fdpic-gotoffi20-shared.s: New file.
* ld-sh/fdpic-gotoffi20-static.d: New file.
* ld-sh/fdpic-gotoffi20-static.s: New file.
* ld-sh/fdpic-plt-be.d: New file.
* ld-sh/fdpic-plt-le.d: New file.
* ld-sh/fdpic-plt.s: New file.
* ld-sh/fdpic-plti20-be.d: New file.
* ld-sh/fdpic-plti20-le.d: New file.
* ld-sh/fdpic-stack-default.d: New file.
* ld-sh/fdpic-stack-size.d: New file.
* ld-sh/fdpic-stack.s: New file.
|
||
|---|---|---|
| .. | ||
| aout_gnu.h | ||
| atof-ieee.c | ||
| atof-vax.c | ||
| bfin-aux.h | ||
| bfin-defs.h | ||
| bfin-lex.l | ||
| bfin-parse.y | ||
| e-crisaout.c | ||
| e-criself.c | ||
| e-i386aout.c | ||
| e-i386coff.c | ||
| e-i386elf.c | ||
| e-mipsecoff.c | ||
| e-mipself.c | ||
| itbl-mips.h | ||
| m68k-parse.h | ||
| m68k-parse.y | ||
| obj-aout.c | ||
| obj-aout.h | ||
| obj-coff-seh.c | ||
| obj-coff-seh.h | ||
| obj-coff.c | ||
| obj-coff.h | ||
| obj-ecoff.c | ||
| obj-ecoff.h | ||
| obj-elf.c | ||
| obj-elf.h | ||
| obj-evax.c | ||
| obj-evax.h | ||
| obj-fdpicelf.c | ||
| obj-fdpicelf.h | ||
| obj-macho.c | ||
| obj-macho.h | ||
| obj-multi.c | ||
| obj-multi.h | ||
| obj-som.c | ||
| obj-som.h | ||
| rx-defs.h | ||
| rx-parse.y | ||
| tc-alpha.c | ||
| tc-alpha.h | ||
| tc-arc.c | ||
| tc-arc.h | ||
| tc-arm.c | ||
| tc-arm.h | ||
| tc-avr.c | ||
| tc-avr.h | ||
| tc-bfin.c | ||
| tc-bfin.h | ||
| tc-cr16.c | ||
| tc-cr16.h | ||
| tc-cris.c | ||
| tc-cris.h | ||
| tc-crx.c | ||
| tc-crx.h | ||
| tc-d10v.c | ||
| tc-d10v.h | ||
| tc-d30v.c | ||
| tc-d30v.h | ||
| tc-dlx.c | ||
| tc-dlx.h | ||
| tc-fr30.c | ||
| tc-fr30.h | ||
| tc-frv.c | ||
| tc-frv.h | ||
| tc-generic.c | ||
| tc-generic.h | ||
| tc-h8300.c | ||
| tc-h8300.h | ||
| tc-hppa.c | ||
| tc-hppa.h | ||
| tc-i370.c | ||
| tc-i370.h | ||
| tc-i386-intel.c | ||
| tc-i386.c | ||
| tc-i386.h | ||
| tc-i860.c | ||
| tc-i860.h | ||
| tc-i960.c | ||
| tc-i960.h | ||
| tc-ia64.c | ||
| tc-ia64.h | ||
| tc-ip2k.c | ||
| tc-ip2k.h | ||
| tc-iq2000.c | ||
| tc-iq2000.h | ||
| tc-lm32.c | ||
| tc-lm32.h | ||
| tc-m32c.c | ||
| tc-m32c.h | ||
| tc-m32r.c | ||
| tc-m32r.h | ||
| tc-m68hc11.c | ||
| tc-m68hc11.h | ||
| tc-m68k.c | ||
| tc-m68k.h | ||
| tc-m68851.h | ||
| tc-maxq.c | ||
| tc-maxq.h | ||
| tc-mcore.c | ||
| tc-mcore.h | ||
| tc-mep.c | ||
| tc-mep.h | ||
| tc-microblaze.c | ||
| tc-microblaze.h | ||
| tc-mips.c | ||
| tc-mips.h | ||
| tc-mmix.c | ||
| tc-mmix.h | ||
| tc-mn10200.c | ||
| tc-mn10200.h | ||
| tc-mn10300.c | ||
| tc-mn10300.h | ||
| tc-moxie.c | ||
| tc-moxie.h | ||
| tc-msp430.c | ||
| tc-msp430.h | ||
| tc-mt.c | ||
| tc-mt.h | ||
| tc-ns32k.c | ||
| tc-ns32k.h | ||
| tc-openrisc.c | ||
| tc-openrisc.h | ||
| tc-or32.c | ||
| tc-or32.h | ||
| tc-pdp11.c | ||
| tc-pdp11.h | ||
| tc-pj.c | ||
| tc-pj.h | ||
| tc-ppc.c | ||
| tc-ppc.h | ||
| tc-rx.c | ||
| tc-rx.h | ||
| tc-s390.c | ||
| tc-s390.h | ||
| tc-score7.c | ||
| tc-score.c | ||
| tc-score.h | ||
| tc-sh64.c | ||
| tc-sh64.h | ||
| tc-sh.c | ||
| tc-sh.h | ||
| tc-sparc.c | ||
| tc-sparc.h | ||
| tc-spu.c | ||
| tc-spu.h | ||
| tc-tic4x.c | ||
| tc-tic4x.h | ||
| tc-tic6x.c | ||
| tc-tic6x.h | ||
| tc-tic30.c | ||
| tc-tic30.h | ||
| tc-tic54x.c | ||
| tc-tic54x.h | ||
| tc-v850.c | ||
| tc-v850.h | ||
| tc-vax.c | ||
| tc-vax.h | ||
| tc-xc16x.c | ||
| tc-xc16x.h | ||
| tc-xstormy16.c | ||
| tc-xstormy16.h | ||
| tc-xtensa.c | ||
| tc-xtensa.h | ||
| tc-z8k.c | ||
| tc-z8k.h | ||
| tc-z80.c | ||
| tc-z80.h | ||
| te-386bsd.h | ||
| te-aix5.h | ||
| te-armeabi.h | ||
| te-armlinuxeabi.h | ||
| te-dynix.h | ||
| te-epoc-pe.h | ||
| te-freebsd.h | ||
| te-generic.h | ||
| te-gnu.h | ||
| te-go32.h | ||
| te-hppa64.h | ||
| te-hppa.h | ||
| te-hppalinux64.h | ||
| te-hpux.h | ||
| te-i386aix.h | ||
| te-ia64aix.h | ||
| te-interix.h | ||
| te-irix.h | ||
| te-linux.h | ||
| te-lnews.h | ||
| te-lynx.h | ||
| te-mach.h | ||
| te-macos.h | ||
| te-nbsd532.h | ||
| te-nbsd.h | ||
| te-netware.h | ||
| te-pc532mach.h | ||
| te-pe.h | ||
| te-pep.h | ||
| te-psos.h | ||
| te-riscix.h | ||
| te-solaris.h | ||
| te-sparcaout.h | ||
| te-sun3.h | ||
| te-svr4.h | ||
| te-symbian.h | ||
| te-tmips.h | ||
| te-uclinux.h | ||
| te-vms.c | ||
| te-vms.h | ||
| te-vxworks.h | ||
| te-wince-pe.h | ||
| vax-inst.h | ||
| xtensa-istack.h | ||
| xtensa-relax.c | ||
| xtensa-relax.h | ||