binutils-gdb/ld/emulparams/elf_x86_64.sh

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SCRIPT_NAME=elf
ELFSIZE=64
OUTPUT_FORMAT="elf64-x86-64"
TEXT_START_ADDR=0x400000
MAXPAGESIZE=0x200000
COMMONPAGESIZE=0x1000
NONPAGED_TEXT_START_ADDR=0x400000
ARCH="i386:x86-64"
MACHINE=
NOP=0x90909090
TEMPLATE_NAME=elf32
GENERATE_SHLIB_SCRIPT=yes
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 23:50:12 +08:00
GENERATE_PIE_SCRIPT=yes
NO_SMALL_DATA=yes
LARGE_SECTIONS=yes
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.
2004-05-12 01:08:38 +08:00
SEPARATE_GOTPLT=24
if [ "x${host}" = "x${target}" ]; then
case " $EMULATION_LIBPATH " in
*" ${EMULATION_NAME} "*)
* 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.
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NATIVE=yes
esac
fi
* 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 $NATIVE. * ld.texinfo (Options): Mention "=" prefix in the description of -L. * NEWS: Mention --with-sysroot. * emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX instead of setting LIB_PATH. * emulparams/elf32ppc.sh: Likewise. * emulparams/elf64_s390.sh: Likewise. * emulparams/elf64_sparc.sh: Likewise. * emulparams/elf64ppc.sh: Likewise. * emulparams/elf_x86_64.sh: Likewise. * emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH. * emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
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# Linux modify the default library search path to first include
# a 64-bit specific directory.
case "$target" in
x86_64*-linux*)
case "$EMULATION_NAME" in
*64*) LIBPATH_SUFFIX=64 ;;
* 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.
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esac
;;
esac