diff options
| author | Rich Felker <dalias@libc.org> | 2015-09-20 12:20:19 +0930 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2015-09-20 15:52:27 +0930 |
| commit | 9b8b325a1f4cdaf235e7d803849dde6ededec865 (patch) | |
| tree | f9705d4b1b4e10dbb5a5453e944a31f798457088 /ld | |
| parent | 25f004c8dd2d96f92ea8f18217a04212f907eb94 (diff) | |
| download | gdb-9b8b325a1f4cdaf235e7d803849dde6ededec865.zip gdb-9b8b325a1f4cdaf235e7d803849dde6ededec865.tar.gz gdb-9b8b325a1f4cdaf235e7d803849dde6ededec865.tar.bz2 | |
Add --no-dynamic-linker option to ld, for static PIE use
Inhibits output of .interp section in ELF executables.
include/
* bfdlink.h (struct bfd_link_info): Add "nointerp" field.
bfd/
* elflink.c (_bfd_elf_link_create_dynamic_sections): Don't create
.interp when info->nointerp.
(bfd_elf_size_dynamic_sections): Adjust assert.
* elf32-arm.c (elf32_arm_size_dynamic_sections): Don't size .interp
when info->nointerp.
* elf32-bfin.c (elf32_bfinfdpic_size_dynamic_sections): Likewise.
* elf32-cr16.c (_bfd_cr16_elf_size_dynamic_sections): Likewise.
* elf32-cris.c (elf_cris_size_dynamic_sections): Likewise.
* elf32-frv.c (elf32_frvfdpic_size_dynamic_sections): Likewise.
* elf32-hppa.c (elf32_hppa_size_dynamic_sections): Likewise.
* elf32-i370.c (i370_elf_size_dynamic_sections): Likewise.
* elf32-i386.c (elf_i386_size_dynamic_sections): Likewise.
* elf32-lm32.c (lm32_elf_size_dynamic_sections): Likewise.
* elf32-m32r.c (m32r_elf_size_dynamic_sections): Likewise.
* elf32-m68k.c (elf_m68k_size_dynamic_sections): Likewise.
* elf32-metag.c (elf_metag_size_dynamic_sections): Likewise.
* elf32-nds32.c (nds32_elf_size_dynamic_sections): Likewise.
* elf32-nios2.c (nios2_elf32_size_dynamic_sections): Likewise.
* elf32-or1k.c (or1k_elf_size_dynamic_sections): Likewise.
* elf32-ppc.c (ppc_elf_size_dynamic_sections): Likewise.
* elf32-s390.c (elf_s390_size_dynamic_sections): Likewise.
* elf32-score.c (s3_bfd_score_elf_size_dynamic_sections): Likewise.
* elf32-score7.c (s7_bfd_score_elf_size_dynamic_sections): Likewise.
* elf32-sh.c (sh_elf_size_dynamic_sections): Likewise.
* elf32-tic6x.c (elf32_tic6x_size_dynamic_sections): Likewise.
* elf32-tilepro.c (tilepro_elf_size_dynamic_sections): Likewise.
* elf32-vax.c (elf_vax_size_dynamic_sections): Likewise.
* elf32-xtensa.c (elf_xtensa_size_dynamic_sections): Likewise.
* elf64-alpha.c (elf64_alpha_size_dynamic_sections): Likewise.
* elf64-hppa.c (elf64_hppa_size_dynamic_sections): Likewise.
* elf64-ppc.c (ppc64_elf_size_dynamic_sections): Likewise.
* elf64-s390.c (elf_s390_size_dynamic_sections): Likewise.
* elf64-sh64.c (sh64_elf64_size_dynamic_sections): Likewise.
* elf64-x86-64.c (elf_x86_64_size_dynamic_sections): Likewise.
* elfnn-aarch64.c (elfNN_aarch64_size_dynamic_sections): Likewise.
* elfnn-ia64.c (elfNN_ia64_size_dynamic_sections): Likewise.
* elfxx-mips.c (_bfd_mips_elf_size_dynamic_sections): Likewise.
* elfxx-sparc.c (_bfd_sparc_elf_size_dynamic_sections): Likewise.
* elfxx-tilegx.c (tilegx_elf_size_dynamic_sections): Likewise.
ld/
* ld.texinfo (--no-dynamic-linker): Document.
* ldlex.h (enum option_values): Add OPTION_NO_DYNAMIC_LINKER.
* lexsup.c (ld_options, parse_args): Handle --no-dynamic-linker.
Diffstat (limited to 'ld')
| -rw-r--r-- | ld/ChangeLog | 6 | ||||
| -rw-r--r-- | ld/ld.texinfo | 7 | ||||
| -rw-r--r-- | ld/ldlex.h | 1 | ||||
| -rw-r--r-- | ld/lexsup.c | 7 |
4 files changed, 21 insertions, 0 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog index e73abeb..e1e06b8 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,9 @@ +2015-09-20 Rich Felker <dalias@libc.org> + + * ld.texinfo (--no-dynamic-linker): Document. + * ldlex.h (enum option_values): Add OPTION_NO_DYNAMIC_LINKER. + * lexsup.c (ld_options, parse_args): Handle --no-dynamic-linker. + 2015-09-18 Alan Modra <amodra@gmail.com> * ld.texinfo: Document PowerPC64 --{no-,}save-restore-funcs. diff --git a/ld/ld.texinfo b/ld/ld.texinfo index c5d39d5..6b7fac8 100644 --- a/ld/ld.texinfo +++ b/ld/ld.texinfo @@ -1455,6 +1455,13 @@ generating dynamically linked ELF executables. The default dynamic linker is normally correct; don't use this unless you know what you are doing. +@kindex --no-dynamic-linker +@item --no-dynamic-linker +When producing an executable file, omit the request for a dynamic +linker to be used at load-time. This is only meaningful for ELF +executables that contain dynamic relocations, and usually requires +entry point code that is capable of processing these relocations. + @kindex --fatal-warnings @kindex --no-fatal-warnings @item --fatal-warnings @@ -33,6 +33,7 @@ enum option_values OPTION_DEFSYM, OPTION_DEMANGLE, OPTION_DYNAMIC_LINKER, + OPTION_NO_DYNAMIC_LINKER, OPTION_SYSROOT, OPTION_EB, OPTION_EL, diff --git a/ld/lexsup.c b/ld/lexsup.c index 5dc56dc..fdd39a7 100644 --- a/ld/lexsup.c +++ b/ld/lexsup.c @@ -138,6 +138,9 @@ static const struct ld_option ld_options[] = { {"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER}, 'I', N_("PROGRAM"), N_("Set PROGRAM as the dynamic linker to use"), TWO_DASHES }, + { {"no-dynamic-linker", no_argument, NULL, OPTION_NO_DYNAMIC_LINKER}, + '\0', NULL, N_("Produce an executable with no program interpreter header"), + TWO_DASHES }, { {"library", required_argument, NULL, 'l'}, 'l', N_("LIBNAME"), N_("Search for library LIBNAME"), TWO_DASHES }, { {"library-path", required_argument, NULL, 'L'}, @@ -761,6 +764,10 @@ parse_args (unsigned argc, char **argv) case 'I': /* Used on Solaris. */ case OPTION_DYNAMIC_LINKER: command_line.interpreter = optarg; + link_info.nointerp = 0; + break; + case OPTION_NO_DYNAMIC_LINKER: + link_info.nointerp = 1; break; case OPTION_SYSROOT: /* Already handled in ldmain.c. */ |