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| author | Jakub Jelinek <jakub@redhat.com> | 2003-05-30 15:50:12 +0000 |
|---|---|---|
| committer | Jakub Jelinek <jakub@redhat.com> | 2003-05-30 15:50:12 +0000 |
| commit | 36af4a4e51338a12cdd06009ae335ad776b496ff (patch) | |
| tree | 2335bc74ed34a5b5b8ca030ec6cf4157de7f437c /ld/ld.texinfo | |
| parent | cdaeef2eb5f895b31ca8665b10712c4f3b64976e (diff) | |
| download | gdb-36af4a4e51338a12cdd06009ae335ad776b496ff.zip gdb-36af4a4e51338a12cdd06009ae335ad776b496ff.tar.gz gdb-36af4a4e51338a12cdd06009ae335ad776b496ff.tar.bz2 | |
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.
Diffstat (limited to 'ld/ld.texinfo')
| -rw-r--r-- | ld/ld.texinfo | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/ld/ld.texinfo b/ld/ld.texinfo index cfebf09..d6e6220 100644 --- a/ld/ld.texinfo +++ b/ld/ld.texinfo @@ -1209,6 +1209,18 @@ command @code{OUTPUT_FORMAT} can also specify the output format, but this option overrides it. @xref{BFD}. @end ifclear +@kindex -pie +@kindex --pic-executable +@item -pie +@itemx --pic-executable +@cindex position independent executables +Create a position independent executable. This is currently only supported on +ELF platforms. Position independent executables are similar to shared +libraries in that they are relocated by the dynamic linker to the virtual +address OS chooses for them (which can varry between invocations), like +normal dynamically linked executables they can be executed and symbols +defined in the executable cannot be overridden by shared libraries. + @kindex -qmagic @item -qmagic This option is ignored for Linux compatibility. |