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14 Commits

Author SHA1 Message Date
Jakub Jelinek
8c37241be3 bfd/ 
* elflink.c (elf_bfd_final_link): Don't output STT_SECTION symbol
	into .dynsym if elf_section_data (sec)->dynindx <= 0.
	Adjust counting of last_local.
	(_bfd_elf_link_renumber_dynsyms): Don't assign dynindx to sections
	other than SHT_PROGBITS/SHT_NOBITS and neither for .got/.got.plt/.plt
	created by the linker nor !SHF_ALLOC.

	* elf32-i386.c (elf_i386_finish_dynamic_sections): Point
	DT_PLTGOT to the start of the .got.plt section instead of the
	.got output section.  Set sh_entsize for .got section in addition
	to .got.plt.
	(elf_i386_relocate_section): Don't assume _GLOBAL_OFFSET_TABLE_
	is at sgot->output_section->vma.
	* elf64-x86-64.c (elf64_x86_64_finish_dynamic_sections): Point
	DT_PLTGOT to the start of the .got.plt section instead of the
	.got output section.
	(elf64_x86_64_relocate_section): Don't assume _GLOBAL_OFFSET_TABLE_
	is at sgot->output_section->vma.  Set sh_entsize for .got section
	in addition to .got.plt.
	* elf.c (_bfd_elf_print_private_bfd_data): Handle PT_GNU_RELRO.
	(bfd_section_from_phdr): Likewise.
	(map_sections_to_segments): Likewise.
	(assign_file_positions_for_segments): Likewise.
	(get_program_header_size): Likewise.
	* elflink.c (bfd_elf_size_dynamic_sections): Set
	elf_tdata (output_bfd)->relro from info->relro.
	* elf-bfd.h (struct elf_obj_tdata): Add relro field.
include/
	* bfdlink.h (struct bfd_link_info): Add relro, relro_start and
	relro_end fields.
	* elf/common.h (PT_GNU_EH_FRAME, PT_GNU_STACK): Add comments.
	(PT_GNU_RELRO): Define.
binutils/
	* readelf.c (get_segment_type): Handle PT_GNU_RELRO.
ld/
	* genscripts.sh: Generate -z combreloc -z now -z relro scripts
	for binaries, -shared and -pie.
	* emulparams/elf_i386.sh (SEPARATE_GOTPLT): Set.
	* emulparams/elf_x86_64.sh (SEPARATE_GOTPLT): Set.
	* emulparams/elf32ppc.sh (OTHER_READWRITE_SECTIONS): Rename to...
	(OTHER_RELRO_SECTIONS): ... this.
	* ldlex.l (DATA_SEGMENT_RELRO_END): Add.
	* emultempl/elf32.em (gld${EMULATION_NAME}_handle_option): Handle
	-z relro and -z norelro.
	(gld${EMULATION_NAME}_list_options): Add it to usage.
	(gld${EMULATION_NAME}_get_script): Return -z combreloc -z now
	-z relro scripts when appropriate.
	* scripttempl/elf.sc: Unset SEPARATE_GOTPLT if RELRO_NOW is set.
	Create separate .got.plt section if SEPARATE_GOTPLT.
	Move sections which are only written during relocation handling
	to the beginning of RW segment.  If NO_SMALL_DATA, move .got
	before .data.  Add DATA_SEGMENT_RELRO_END directive.
	Include OTHER_RELRO_SECTIONS.
	* ldgram.y (DATA_SEGMENT_RELRO_END): Add.
	* ldexp.c (exp_print_token): Handle DATA_SEGMENT_RELRO_END.
	(fold_unary): Likewise.
	(fold_binary): Handle -z relro.
	* ldexp.h (struct exp_data_seg): Add exp_dataseg_relro_seen and
	exp_dataseg_relro_adjust phases.  Add relro_end field.
	* ldmain.c (main): Initialize link_info.relro to FALSE.
	* ldlang.c (lang_size_sections): Handle -z relro.
ld/testsuite/
	* ld-i386/tlspic.rd: Adjust for section reordering changes
	and removal of unneeded STT_SECTION symbols from .dynsym.
	* ld-i386/tlspic.dd: Likewise.
	* ld-i386/tlspic.sd: Likewise.
	* ld-i386/tlsbin.rd: Likewise.
	* ld-i386/tlsbinpic.s: Likewise.
	* ld-i386/tlsbin.dd: Likewise.
	* ld-i386/tlsbin.sd: Likewise.
	* ld-i386/tlsnopic.rd: Likewise.
	* ld-i386/tlsnopic1.s: Likewise.
	* ld-i386/combreloc.d: Likewise.
	* ld-i386/tlsnopic.dd: Likewise.
	* ld-i386/tlsnopic.sd: Likewise.
	* ld-x86-64/tlspic.rd: Likewise.
	* ld-x86-64/tlspic.dd: Likewise.
	* ld-x86-64/tlsbin.dd: Likewise.
	* ld-x86-64/tlspic.sd: Likewise.
	* ld-x86-64/tlsbin.sd: Likewise.
	* ld-x86-64/tlspic.td: Likewise.
	* ld-x86-64/tlsbin.td: Likewise.
	* ld-x86-64/tlsbin.rd: Likewise.
	* ld-s390/tlspic1.s: Likewise.
	* ld-s390/tlsbinpic.s: Likewise.
	* ld-s390/tlspic.rd: Likewise.
	* ld-s390/tlsbin.rd: Likewise.
	* ld-s390/tlspic.dd: Likewise.
	* ld-s390/tlsbin.dd: Likewise.
	* ld-s390/tlsbin.sd: Likewise.
	* ld-s390/tlsbin.td: Likewise.
	* ld-s390/tlspic.sd: Likewise.
	* ld-s390/tlspic.td: Likewise.
	* ld-s390/tlspic1_64.s: Likewise.
	* ld-s390/tlsbinpic_64.s: Likewise.
	* ld-s390/tlspic_64.rd: Likewise.
	* ld-s390/tlsbin_64.rd: Likewise.
	* ld-s390/tlspic_64.dd: Likewise.
	* ld-s390/tlsbin_64.dd: Likewise.
	* ld-s390/tlspic_64.sd: Likewise.
	* ld-s390/tlspic_64.td: Likewise.
	* ld-s390/tlsbin_64.td: Likewise.
	* ld-s390/tlsbin_64.sd: Likewise.
	* ld-powerpc/tlsexe32.r: Likewise.
	* ld-powerpc/tlsso32.r: Likewise.
	* ld-powerpc/tlsso32.d: Likewise.
	* ld-powerpc/tlsso32.g: Likewise.
	* ld-powerpc/tlsso32.t: Likewise.
	* ld-powerpc/tlsexe.r: Likewise.
	* ld-powerpc/tlsso.r: Likewise.
	* ld-powerpc/tlsso.g: Likewise.
	* ld-powerpc/tlsexetoc.r: Likewise.
	* ld-powerpc/tlstocso.r: Likewise.
	* ld-powerpc/tlstocso.g: Likewise.
	* ld-ia64/tlspic.rd: Likewise.
	* ld-ia64/tlspic.dd: Likewise.
	* ld-ia64/tlspic.sd: Likewise.
	* ld-ia64/tlspic.td: Likewise.
	* ld-ia64/tlsbin.rd: Likewise.
	* ld-ia64/tlsbin.sd: Likewise.
	* ld-ia64/tlsbin.td: Likewise.
	* ld-elfvsb/elfvsb.exp: XFAIL non-PIC load offset tests on s390x.
	* ld-shared/shared.exp: Likewise.
 2004-05-11 17:08:38 +00:00
Alan Modra
e5c60db524 * emulparams/elf32ppc.sh (COMMONPAGESIZE): Define. 2004-01-15 12:38:19 +00:00
Jakub Jelinek
36af4a4e51 bfd/ 
* elflink.h (elf_link_add_object_symbols): Use !info->executable
	instead of info->shared where appropriate.
	(bfd_elfNN_size_dynamic_sections, elf_link_output_extsym): Likewise.
	* elflink.c (_bfd_elf_create_got_section): Likewise.
	(_bfd_elf_link_create_dynamic_sections): Likewise.
	(_bfd_elf_link_assign_sym_version): Likewise.
	* elf32-i386.c (elf_i386_size_dynamic_sections): Create .interp section
	and DT_DEBUG dynamic tag even for position independent executables.
	* elf32-ppc.c (ppc_elf_size_dynamic_sections): Likewise.
	* elf32-s390.c (elf_s390_size_dynamic_sections: Likewise.
	* elf64-ppc.c (ppc64_elf_size_dynamic_sections: Likewise.
	* elf64-s390.c (elf_s390_size_dynamic_sections: Likewise.
	* elf64-x86-64.c (elf64_x86_64_size_dynamic_sections: Likewise.
	* elfxx-ia64.c (elfNN_ia64_size_dynamic_sections: Likewise.
	* elf32-sparc.c (elf32_sparc_size_dynamic_sections: Likewise.
	* elf64-alpha.c (elf64_alpha_size_dynamic_sections: Likewise.
	* elf64-sparc.c (sparc64_elf_size_dynamic_sections: Likewise.
include/
	* bfdlink.h (struct bfd_link_info): Add pie and executable
	bits.
ld/
	* lexsup.c (OPTION_PIE): Define.
	(ld_options): Add -pie and --pic-executable options.
	(parse_args): Handle OPTION_PIE.
	* ldmain.c (main): Initialize link_info.pie and
	link_info.executable.
	* genscripts.sh: Generate PIE scripts.
	* ld.texinfo: Document -pie and --pic-executable options.
	* emultempl/elf32.em (gld${EMULATION_NAME}_after_open):
	(gld${EMULATION_NAME}_place_orphan): Likewise.
	(gld${EMULATION_NAME}_get_script): Include PIE scripts.
	* scripttempl/elf.sc: In PIE scripts set . the same way as in
	shared scripts.
	* emulparams/elf_i386.sh (GENERATE_PIE_SCRIPT): Set to yes.
	* emulparams/elf64_ia64.sh (GENERATE_PIE_SCRIPT): Likewise.
	* emulparams/elf32ppc.sh (GENERATE_PIE_SCRIPT): Likewise.
	* emulparams/elf64ppc.sh (GENERATE_PIE_SCRIPT): Likewise.
	* emulparams/elf_x86_64.sh (GENERATE_PIE_SCRIPT): Likewise.
	* emulparams/elf_s390.sh (GENERATE_PIE_SCRIPT): Likewise.
	* emulparams/elf32_sparc.sh (GENERATE_PIE_SCRIPT): Likewise.
	* emulparams/elf64_sparc.sh (GENERATE_PIE_SCRIPT): Likewise.
	* emulparams/elf64alpha.sh (GENERATE_PIE_SCRIPT): Likewise.
	* emulparams/elf64_s390.sh (GENERATE_PIE_SCRIPT): Likewise.
	* emulparams/elf_i386.sh (GENERATE_PIE_SCRIPT): Likewise.
 2003-05-30 15:50:12 +00:00
Alan Modra
f9e6bfa8dc * emultempl/ppc32elf.em: New file. 
* emulparams/elf32ppc.sh (EXTRA_EM_FILE): Define.
	* Makefile.am (eelf32lppc.c): Depend on emultempl/ppc32elf.em.
	(eelf32lppcnto.c): Likewise.
	(eelf32lppcsim.c): Likewise.
	(eelf32ppcnto.c): Likewise.
	(eelf32ppc.c): Likewise.
	(eelf32ppc_fbsd.c): Likewise.
	(eelf32ppcsim.c): Likewise.
	(eelf32ppclinux.c): Likewise.
 2003-02-18 06:05:07 +00:00
Daniel Jacobowitz
9c8ebd6a51 * Makefile.am (eelf32iq10.c): Fix tab/whitespace mixup. 
* Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@.
	(GENSCRIPTS): Add @use_sysroot@.
	* Makefile.in: Regenerated.
	* configure.host: Move setting of NATIVE_LIB_DIRS to...
	* configure.tgt: ... here.  Use ${target} instead of ${host}
	for NATIVE_LIB_DIRS.
	* configure.in: Add --with-sysroot.
	* configure: Regenerated.
	* genscripts.sh: Accept use_sysroot option.  Set new variables
	NATIVE and USE_LIBPATH.  Prepend "=" to directory names if
	$use_sysroot.  Don't search $tool_lib if $use_sysroot.
	* ldfile.c (ldfile_add_library_path): Handle leading '='.
	* ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined.
	(ld_sysroot): New variable.
	(main): Initialize ld_sysroot.
	* ldmain.h (ld_sysroot): New extern.
	* emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of
	searching $EMULATION_LIBPATH.
	(gld${EMULATION_NAME}_add_sysroot): New function.
	(gld${EMULATION_NAME}_check_ld_so_conf): Use it.  Honor ld_sysroot.
	(gld${EMULATION_NAME}_after_open): Likewise.  Only search
	environment variables if $NATIVE.
	* ld.texinfo (Options): Mention "=" prefix in the description of -L.
	* NEWS: Mention --with-sysroot.

	* emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX
	instead of setting LIB_PATH.
	* emulparams/elf32ppc.sh: Likewise.
	* emulparams/elf64_s390.sh: Likewise.
	* emulparams/elf64_sparc.sh: Likewise.
	* emulparams/elf64ppc.sh: Likewise.
	* emulparams/elf_x86_64.sh: Likewise.

	* emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH.
	* emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
 2003-01-06 16:14:01 +00:00
Alexandre Oliva
3ffe58d945 * emulparams/elf32bmipn32-defs.sh: Set ELFSIZE according to 
emulation name.  Set LIB_PATH only for native tools, and
search the ABI-specific versions of NATIVE_LIB_DIRS before the
.../lib variants, not instead of them.  Mostly copied from...
* emulparams/elf32ppc.sh: ... here.  Fixed typo.
* emulparams/elf64bmip-defs.sh: Backed out.
* emulparams/elf64bmip.sh: Import elf32bmipn32-defs.sh again.
* emulparams/elf64btsmip.sh: Likewise.
(DATA_ADDR, NONPAGED_TEXT_START_ADDR, SHLIB_TEXT_START_ADDR,
TEXT_DYNAMIC): Removed.
 2002-10-22 22:13:26 +00:00
H.J. Lu
fdb9132d5f 2002-09-29 H.J. Lu <hjl@gnu.org> 
* ld/emulparams/elf32ppc.sh (OTHER_GOT_RELOC_SECTIONS): New.
	* ld/emulparams/elf32ppclinux.sh (OTHER_GOT_RELOC_SECTIONS): New.
 2002-09-29 23:59:49 +00:00
Alan Modra
5c368657dc * emulparams/elf32ppc.sh (ARCH): Set to "powerpc:common". 2002-08-30 08:30:41 +00:00
Alan Modra
eb3d6bb8dc * genscripts.sh (LIB_PATH): For native targets, concatenate $libdir 
and $NATIVE_LIB_DIRS.  Add $tool_lib before other libs.
	(LIB_SEARCH_DIRS): No need to use "tr".
	(COMPILE_IN): Only set for native targets.
	* configure.host (NATIVE_LIB_DIRS): Specify all native search dirs
	here, rather than adding lib:/usr/lib:/usr/local/lib in genscripts.sh.
	* configure.tgt (powerpc*): Set tdir_*.
	(powerpcle*): Correct targ_extra_emuls.
	* emulparams/elf32ppc.sh (LIB_PATH): Set up native 64 bit dirs.
	* emulparams/elf64ppc.sh (LIB_PATH): Likewise.
 2002-05-22 08:44:53 +00:00
Alan Modra
465bc359f9 * Makefile.am (CONFIG_STATUS_DEPENDENCIES): Define. 
(config.status): Delete rule.
	Add extra dependencies to cover sourced emulparams files.
	* Makefile.in: Regenerate.

	* scripttempl/elf.sc: Order <section>, <section>.* and
	corresponding linkonce sections as seen in input files.
	Formatting fixes.  Zero vma of all sections if not relocating.
	(STACK): Define and insert if STACK_ADDR defined.
	(OTHER_RELOCATING_SECTIONS): Delete.
	(OTHER_END_SYMBOLS): Define.
	(OTHER_READONLY_SECTIONS): Always insert, not just when relocating.
	(OTHER_READWRITE_SECTIONS): Likewise.
	(OTHER_GOT_SECTIONS): Likewise.
	(OTHER_SDATA_SECTIONS): Likewise.
	(OTHER_BSS_SECTIONS): Likewise.
	* scripttempl/elfi370.sc (OTHER_READONLY_SECTIONS): Likewise.
	(OTHER_READWRITE_SECTIONS): Likewise.
	* scripttempl/nw.sc (OTHER_READONLY_SECTIONS): Likewise.
	(OTHER_READWRITE_SECTIONS): Likewise

	* emulparams/armelf.sh (OTHER_RELOCATING_SECTIONS): Delete.
	(STACK_ADDR): Define.
	* emulparams/armelf_oabi.sh: As for armelf.sh.
	* emulparams/elf32mcore.sh: As for armelf.sh.
	* emulparams/h8300elf.sh: As for armelf.sh.
	* emulparams/mn10200.sh: As for armelf.sh.
	* emulparams/shelf.sh: As for armelf.sh.

	* emulparams/elf32fr30.sh (OTHER_RELOCATING_SECTIONS): Delete.
	(OTHER_END_SYMBOLS): Define.
	* emulparams/m32relf.sh: As for elf32fr30.sh.
	* emulparams/h8300helf.sh: As for elf32fr30.sh.
	* emulparams/h8300self.sh: As for elf32fr30.sh.

	* emulparams/criself.sh (OTHER_READONLY_SECTIONS): Protect symbol
	defines with RELOCATING test.
	(OTHER_SDATA_SECTIONS): Likewise.
	(OTHER_RELOCATING_SECTIONS): Delete, replacing with..
	(OTHER_END_SYMBOLS): ..this.
	* emulparams/crislinux.sh: As for criself.sh.

	* emulparams/elf32bmipn32.sh (OTHER_SDATA_SECTIONS): Zero vma
	if not relocating.
	(OTHER_RELOCATING_SECTIONS): Delete, replacing with..
	(OTHER_SECTIONS): ..this.  Zero vma if not relocating.  Order
	normal and linkonce sections as seen in input files.
	* emulparams/elf32bmip.sh (DATA_ADDR): Don't define if EMBEDDED.
	(TEXT_DYNAMIC): Likewise.
	(INITIAL_READONLY_SECTIONS): Zero vma if not relocating.
	(OTHER_SDATA_SECTIONS): Likewise.
	* emulparams/elf32ppc.sh (OTHER_READWRITE_SECTIONS): Likewise.
	* emulparams/shlelf_linux.sh (OTHER_READWRITE_SECTIONS): Likewise.
	* emulparams/elf64alpha.sh (OTHER_READONLY_SECTIONS): Likewise.
	* emulparams/hppalinux.sh (OTHER_READONLY_SECTIONS): Likewise.
	* emulparams/elf64_aix.sh (OTHER_GOT_SECTIONS): Likewise.
	(OTHER_PLT_RELOC_SECTIONS): Likewise.
	(OTHER_READONLY_SECTIONS): Likewise.  Order normal and linkonce
	sections as seen in input files.
	* emulparams/elf64_ia64.sh: As for emulparams/elf64_aix.sh.
	* emulparams/hppa64linux.sh (OTHER_READONLY_SECTIONS): Zero vma
	if not relocating.
	(OTHER_READWRITE_SECTIONS, OTHER_BSS_SECTIONS): Likewise.
	(OTHER_BSS_END_SYMBOLS): Merge from elf64hppa.sh.
	* emulparams/elf64mmix.sh (OTHER_RELOCATING_SECTIONS): Delete.
	(OTHER_SECTIONS): Instead, use this..
	(OTHER_END_SYMBOLS): ..and this.

	* emulparams/elf32b4300.sh: Source elf32bmip.sh, remove duplicates.
	* emulparams/elf32bsmip.sh: Likewise.
	* emulparams/elf32btsmip.sh: Likewise.
	* emulparams/elf32ebmip.sh: Likewise.
	* emulparams/elf32lmip.sh: Likewise.
	* emulparams/elf32elmip.sh: Source elf32lmip.sh, remove duplicates.
	* emulparams/elf32lsmip.sh: Likewise.
	* emulparams/elf32ltsmip.sh: Source elf32btsmip.sh, remove duplicates.
	* emulparams/elf32l4300.sh: Source elf32b4300.sh, remove duplicates.
	* emulparams/elf64bmip.sh: Source elf32bmipn32.sh, remove duplicates.
	* emulparams/elf64btsmip.sh: Likewise.
	* emulparams/elf64ltsmip.sh: Source elf64btsmip.sh, remove duplicates.
	* emulparams/elf32lppc.sh: Source elf32ppc.sh, remove duplicates.
	* emulparams/elf32ppclinux.sh: Likewise.
	* emulparams/elf32ppcsim.sh: Likewise.
	* emulparams/elf32lppcsim.sh: Source elf32lppc.sh, remove duplicates.
	* emulparams/elf64hppa.sh: Source hppa64linux.sh, remove duplicates.
	* emulparams/h8300helf.sh: Source h8300elf.sh, remove duplicates.
	* emulparams/h8300self.sh: Likewise.
	* emulparams/mn10300.sh: Source mn10200.sh, remove duplicates.
	* emulparams/sh.sh: Comment.
	* emulparams/shl.sh: Source sh.sh, remove duplicates.
	* emulparams/shlelf.sh: Source shelf.sh, remove duplicates.
	* emulparams/shelf_linux.sh: Source shlelf_linux.sh, remove duplicates.
 2001-11-22 09:08:05 +00:00
Geoffrey Keating
9a8e2505e8 * emulparams/elf32ppc.sh (OTHER_READWRITE_SECTIONS): 
.fixup is actually read/write.
	* emulparams/elf32lppc.sh (OTHER_READWRITE_SECTIONS): Likewise.
	* emulparams/elf32ppcsim.sh (OTHER_READWRITE_SECTIONS): Likewise.
	* emulparams/elf32lppcsim.sh (OTHER_READWRITE_SECTIONS): Likewise.
 2000-12-12 20:15:21 +00:00
Geoffrey Keating
bdbe570575 * scripttempl/elfppc.sc: Remove. 
* emulparams/elf32ppc.sh: Use elf.sc.
* emulparams/elf32lppc.sh: Use elf.sc.
* emulparams/elf32ppclinux.sh: Use elf.sc.
* emulparams/elf32ppcsim.sh: New file.
* emulparams/elf32lppcsim.sh: New file.
* Makefile.am: Update dependencies.  Add elf32ppcsim ad elf32lppcsim.
(ALL_EMULATIONS): Add elf32ppcsim ad elf32lppcsim.
* Makefile.in: Regenerate.
* configure.tgt (powerpc-*): Add elf32ppcsim and elf32lppcsim.
 2000-04-14 21:18:23 +00:00
Ian Lance Taylor
18069efc88 * emulparams/elf32ppc.sh (MAXPAGESIZE): Change to 0x10000. 
* emulparams/elf32ppclinux.sh (MAXPAGESIZE): Likewise.
 1999-08-03 16:47:16 +00:00
Richard Henderson
252b5132c7 19990502 sourceware import 1999-05-03 07:29:11 +00:00