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Add --no-dynamic-linker option to ld, for static PIE use

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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.
This commit is contained in:
Rich Felker 2015-09-20 12:20:19 +09:30 committed by Alan Modra
parent 25f004c8dd
commit 9b8b325a1f
43 changed files with 107 additions and 37 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
bfd/ChangeLog
View File

@ -1,3 +1,45 @@
2015-09-20 Rich Felker <dalias@libc.org>
* 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.
2015-09-18 Doug Evans <xdje42@gmail.com>
* targets.c (enum bfd_flavour): Add comment.

2
bfd/elf32-arm.c
View File

@ -13786,7 +13786,7 @@ elf32_arm_size_dynamic_sections (bfd * output_bfd ATTRIBUTE_UNUSED,
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);

2
bfd/elf32-bfin.c
View File

@ -4255,7 +4255,7 @@ elf32_bfinfdpic_size_dynamic_sections (bfd *output_bfd,
if (htab->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);

2
bfd/elf32-cr16.c
View File

@ -2464,7 +2464,7 @@ _bfd_cr16_elf_size_dynamic_sections (bfd * output_bfd,
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
#if 0
s = bfd_get_linker_section (dynobj, ".interp");

2
bfd/elf32-cris.c
View File

@ -3764,7 +3764,7 @@ elf_cris_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);

2
bfd/elf32-frv.c
View File

@ -5442,7 +5442,7 @@ elf32_frvfdpic_size_dynamic_sections (bfd *output_bfd,
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);

2
bfd/elf32-hppa.c
View File

@ -2215,7 +2215,7 @@ elf32_hppa_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
if (htab->etab.dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
sec = bfd_get_linker_section (dynobj, ".interp");
if (sec == NULL)

2
bfd/elf32-i370.c
View File

@ -594,7 +594,7 @@ i370_elf_size_dynamic_sections (bfd *output_bfd,
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);

2
bfd/elf32-i386.c
View File

@ -2876,7 +2876,7 @@ elf_i386_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
if (htab->elf.dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
if (s == NULL)

2
bfd/elf32-lm32.c
View File

@ -2141,7 +2141,7 @@ lm32_elf_size_dynamic_sections (bfd *output_bfd,
if (htab->root.dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);

2
bfd/elf32-m32r.c
View File

@ -2170,7 +2170,7 @@ m32r_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
if (htab->root.dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);

2
bfd/elf32-m68k.c
View File

@ -3257,7 +3257,7 @@ elf_m68k_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);

2
bfd/elf32-metag.c
View File

@ -2848,7 +2848,7 @@ elf_metag_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
if (htab->etab.dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
if (s == NULL)

2
bfd/elf32-nds32.c
View File

@ -3980,7 +3980,7 @@ nds32_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
if (htab->root.dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (!bfd_link_pic (info))
if (!bfd_link_pic (info) && !info->nointerp)
{
s = bfd_get_section_by_name (dynobj, ".interp");
BFD_ASSERT (s != NULL);

2
bfd/elf32-nios2.c
View File

@ -5849,7 +5849,7 @@ nios2_elf32_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);

2
bfd/elf32-or1k.c
View File

@ -2447,7 +2447,7 @@ or1k_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
if (htab->root.dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_section_by_name (dynobj, ".interp");
BFD_ASSERT (s != NULL);

2
bfd/elf32-ppc.c
View File

@ -6191,7 +6191,7 @@ ppc_elf_size_dynamic_sections (bfd *output_bfd,
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (htab->elf.dynobj, ".interp");
BFD_ASSERT (s != NULL);

2
bfd/elf32-s390.c
View File

@ -2039,7 +2039,7 @@ elf_s390_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
if (htab->elf.dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
if (s == NULL)

2
bfd/elf32-score.c
View File

@ -3269,7 +3269,7 @@ s3_bfd_score_elf_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *i
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (!bfd_link_pic (info))
if (!bfd_link_pic (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);

2
bfd/elf32-score7.c
View File

@ -3078,7 +3078,7 @@ s7_bfd_score_elf_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *i
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (!bfd_link_pic (info))
if (!bfd_link_pic (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);

2
bfd/elf32-sh.c
View File

@ -3349,7 +3349,7 @@ sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
if (htab->root.dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);

2
bfd/elf32-tic6x.c
View File

@ -3300,7 +3300,7 @@ elf32_tic6x_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
if (htab->elf.dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
if (s == NULL)

2
bfd/elf32-tilepro.c
View File

@ -2463,7 +2463,7 @@ tilepro_elf_size_dynamic_sections (bfd *output_bfd,
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);

2
bfd/elf32-vax.c
View File

@ -1124,7 +1124,7 @@ elf_vax_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);

2
bfd/elf32-xtensa.c
View File

@ -1641,7 +1641,7 @@ elf_xtensa_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
&& htab->sgotloc != NULL);
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
if (s == NULL)

2
bfd/elf64-alpha.c
View File

@ -2890,7 +2890,7 @@ elf64_alpha_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);

2
bfd/elf64-hppa.c
View File

@ -1558,7 +1558,7 @@ elf64_hppa_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
sec = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (sec != NULL);

2
bfd/elf64-ppc.c
View File

@ -9815,7 +9815,7 @@ ppc64_elf_size_dynamic_sections (bfd *output_bfd,
if (htab->elf.dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
if (s == NULL)

2
bfd/elf64-s390.c
View File

@ -1989,7 +1989,7 @@ elf_s390_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
if (htab->elf.dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
if (s == NULL)

2
bfd/elf64-sh64.c
View File

@ -3404,7 +3404,7 @@ sh64_elf64_size_dynamic_sections (bfd *output_bfd,
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);

2
bfd/elf64-x86-64.c
View File

@ -3227,7 +3227,7 @@ elf_x86_64_size_dynamic_sections (bfd *output_bfd,
if (htab->elf.dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
if (s == NULL)

4
bfd/elflink.c
View File

@ -246,7 +246,7 @@ _bfd_elf_link_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
/* A dynamically linked executable has a .interp section, but a
shared library does not. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_make_section_anyway_with_flags (abfd, ".interp",
flags | SEC_READONLY);
@ -5763,7 +5763,7 @@ bfd_elf_size_dynamic_sections (bfd *output_bfd,
bfd_boolean all_defined;
*sinterpptr = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (*sinterpptr != NULL || !bfd_link_executable (info));
BFD_ASSERT (*sinterpptr != NULL || !bfd_link_executable (info) || info->nointerp);
if (soname != NULL)
{

2
bfd/elfnn-aarch64.c
View File

@ -7982,7 +7982,7 @@ elfNN_aarch64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
if (htab->root.dynamic_sections_created)
{
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
if (s == NULL)

2
bfd/elfnn-ia64.c
View File

@ -2992,7 +2992,7 @@ elfNN_ia64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
/* Set the contents of the .interp section to the interpreter. */
if (ia64_info->root.dynamic_sections_created
&& bfd_link_executable (info))
&& bfd_link_executable (info) && !info->nointerp)
{
sec = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (sec != NULL);

2
bfd/elfxx-mips.c
View File

@ -9579,7 +9579,7 @@ _bfd_mips_elf_size_dynamic_sections (bfd *output_bfd,
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);

2
bfd/elfxx-sparc.c
View File

@ -2559,7 +2559,7 @@ _bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd,
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);

2
bfd/elfxx-tilegx.c
View File

@ -2724,7 +2724,7 @@ tilegx_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
if (bfd_link_executable (info))
if (bfd_link_executable (info) && !info->nointerp)
{
s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);

4
include/ChangeLog
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@ -1,3 +1,7 @@
2015-09-20 Rich Felker <dalias@libc.org>
* bfdlink.h (struct bfd_link_info): Add "nointerp" field.
2015-08-23 Alan Modra <amodra@gmail.com>
* bfdlink.h (enum output_type): Reorder enum.

3
include/bfdlink.h
View File

@ -431,6 +431,9 @@ struct bfd_link_info
/* TRUE if BND prefix in PLT entries is always generated. */
unsigned int bndplt: 1;
/* TRUE if generation of .interp/PT_INTERP should be suppressed. */
unsigned int nointerp: 1;
/* Char that may appear as the first char of a symbol, but should be
skipped (like symbol_leading_char) when looking up symbols in
wrap_hash. Used by PowerPC Linux for 'dot' symbols. */

6
ld/ChangeLog
View File

@ -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.

7
ld/ld.texinfo
View File

@ -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

1
ld/ldlex.h
View File

@ -33,6 +33,7 @@ enum option_values
OPTION_DEFSYM,
OPTION_DEMANGLE,
OPTION_DYNAMIC_LINKER,
OPTION_NO_DYNAMIC_LINKER,
OPTION_SYSROOT,
OPTION_EB,
OPTION_EL,

7
ld/lexsup.c
View File

@ -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. */