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authorJakub Jelinek <jakub@redhat.com>2003-05-30 15:50:12 +0000
committerJakub Jelinek <jakub@redhat.com>2003-05-30 15:50:12 +0000
commit36af4a4e51338a12cdd06009ae335ad776b496ff (patch)
tree2335bc74ed34a5b5b8ca030ec6cf4157de7f437c /ld/lexsup.c
parentcdaeef2eb5f895b31ca8665b10712c4f3b64976e (diff)
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* 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.
Diffstat (limited to 'ld/lexsup.c')
-rw-r--r--ld/lexsup.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/ld/lexsup.c b/ld/lexsup.c
index b2f94f1d367..8c85807e32e 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;