From 36af4a4e51338a12cdd06009ae335ad776b496ff Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Fri, 30 May 2003 15:50:12 +0000 Subject: 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. --- ld/lexsup.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'ld/lexsup.c') diff --git a/ld/lexsup.c b/ld/lexsup.c index b2f94f1..8c85807 100644 --- a/ld/lexsup.c +++ b/ld/lexsup.c @@ -138,6 +138,7 @@ int parsing_defsym = 0; #define OPTION_NO_STRIP_DISCARDED (OPTION_STRIP_DISCARDED + 1) #define OPTION_ACCEPT_UNKNOWN_INPUT_ARCH (OPTION_NO_STRIP_DISCARDED + 1) #define OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH (OPTION_ACCEPT_UNKNOWN_INPUT_ARCH + 1) +#define OPTION_PIE (OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH + 1) /* The long options. This structure is used for both the option parsing and the help text. */ @@ -370,6 +371,10 @@ static const struct ld_option ld_options[] = '\0', NULL, N_("Create a shared library"), ONE_DASH }, { {"Bshareable", no_argument, NULL, OPTION_SHARED }, /* FreeBSD. */ '\0', NULL, NULL, ONE_DASH }, + { {"pie", no_argument, NULL, OPTION_PIE}, + '\0', NULL, N_("Create a position independent executable"), ONE_DASH }, + { {"pic-executable", no_argument, NULL, OPTION_PIE}, + '\0', NULL, NULL, TWO_DASHES }, { {"sort-common", no_argument, NULL, OPTION_SORT_COMMON}, '\0', NULL, N_("Sort common symbols by size"), TWO_DASHES }, { {"sort_common", no_argument, NULL, OPTION_SORT_COMMON}, @@ -959,6 +964,15 @@ parse_args (argc, argv) else einfo (_("%P%F: -shared not supported\n")); break; + case OPTION_PIE: + if (config.has_shared) + { + link_info.shared = TRUE; + link_info.pie = TRUE; + } + else + einfo (_("%P%F: -pie not supported\n")); + break; case 'h': /* Used on Solaris. */ case OPTION_SONAME: command_line.soname = optarg; -- cgit v1.1