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.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 70d9952..37ba69f 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -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.

diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index b65ae39..bd41fd0 100644 (file)
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -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);

diff --git a/bfd/elf32-bfin.c b/bfd/elf32-bfin.c
index 152134e..0d4d9cf 100644 (file)
--- a/bfd/elf32-bfin.c
+++ b/bfd/elf32-bfin.c
@@ -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);

diff --git a/bfd/elf32-cr16.c b/bfd/elf32-cr16.c
index 5d8ffbc..497630e 100644 (file)
--- a/bfd/elf32-cr16.c
+++ b/bfd/elf32-cr16.c
@@ -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");

diff --git a/bfd/elf32-cris.c b/bfd/elf32-cris.c
index 3031173..5b40524 100644 (file)
--- a/bfd/elf32-cris.c
+++ b/bfd/elf32-cris.c
@@ -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);

diff --git a/bfd/elf32-frv.c b/bfd/elf32-frv.c
index fa12528..1dd2e8c 100644 (file)
--- a/bfd/elf32-frv.c
+++ b/bfd/elf32-frv.c
@@ -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);

diff --git a/bfd/elf32-hppa.c b/bfd/elf32-hppa.c
index 8f0f4d0..ad40914 100644 (file)
--- a/bfd/elf32-hppa.c
+++ b/bfd/elf32-hppa.c
@@ -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)

diff --git a/bfd/elf32-i370.c b/bfd/elf32-i370.c
index 7fba4d1..458f694 100644 (file)
--- a/bfd/elf32-i370.c
+++ b/bfd/elf32-i370.c
@@ -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);

diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c
index 85885f7..9390450 100644 (file)
--- a/bfd/elf32-i386.c
+++ b/bfd/elf32-i386.c
@@ -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)

diff --git a/bfd/elf32-lm32.c b/bfd/elf32-lm32.c
index 23f6e5e..0805e3c 100644 (file)
--- a/bfd/elf32-lm32.c
+++ b/bfd/elf32-lm32.c
@@ -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);

diff --git a/bfd/elf32-m32r.c b/bfd/elf32-m32r.c
index 155d079..a2e3c7c 100644 (file)
--- a/bfd/elf32-m32r.c
+++ b/bfd/elf32-m32r.c
@@ -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);

diff --git a/bfd/elf32-m68k.c b/bfd/elf32-m68k.c
index f807e03..03940fd 100644 (file)
--- a/bfd/elf32-m68k.c
+++ b/bfd/elf32-m68k.c
@@ -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);

diff --git a/bfd/elf32-metag.c b/bfd/elf32-metag.c
index 0fcafc4..596cf76 100644 (file)
--- a/bfd/elf32-metag.c
+++ b/bfd/elf32-metag.c
@@ -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)

diff --git a/bfd/elf32-nds32.c b/bfd/elf32-nds32.c
index e591100..28d4df8 100644 (file)
--- a/bfd/elf32-nds32.c
+++ b/bfd/elf32-nds32.c
@@ -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);

diff --git a/bfd/elf32-nios2.c b/bfd/elf32-nios2.c
index 9189726..6b29d8b 100644 (file)
--- a/bfd/elf32-nios2.c
+++ b/bfd/elf32-nios2.c
@@ -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);

diff --git a/bfd/elf32-or1k.c b/bfd/elf32-or1k.c
index d4f92b7..a1eba09 100644 (file)
--- a/bfd/elf32-or1k.c
+++ b/bfd/elf32-or1k.c
@@ -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);

diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c
index 3f708cb..708076d 100644 (file)
--- a/bfd/elf32-ppc.c
+++ b/bfd/elf32-ppc.c
@@ -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);

diff --git a/bfd/elf32-s390.c b/bfd/elf32-s390.c
index 96c1531..2143ee1 100644 (file)
--- a/bfd/elf32-s390.c
+++ b/bfd/elf32-s390.c
@@ -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)

diff --git a/bfd/elf32-score.c b/bfd/elf32-score.c
index a976a15..ce9c377 100644 (file)
--- a/bfd/elf32-score.c
+++ b/bfd/elf32-score.c
@@ -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);

diff --git a/bfd/elf32-score7.c b/bfd/elf32-score7.c
index 1af034e..b0e75bb 100644 (file)
--- a/bfd/elf32-score7.c
+++ b/bfd/elf32-score7.c
@@ -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);

diff --git a/bfd/elf32-sh.c b/bfd/elf32-sh.c
index fdeadd0..9fa3636 100644 (file)
--- a/bfd/elf32-sh.c
+++ b/bfd/elf32-sh.c
@@ -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);

diff --git a/bfd/elf32-tic6x.c b/bfd/elf32-tic6x.c
index b6640ea..380ab8d 100644 (file)
--- a/bfd/elf32-tic6x.c
+++ b/bfd/elf32-tic6x.c
@@ -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)

diff --git a/bfd/elf32-tilepro.c b/bfd/elf32-tilepro.c
index cb3f896..d55be2d 100644 (file)
--- a/bfd/elf32-tilepro.c
+++ b/bfd/elf32-tilepro.c
@@ -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);

diff --git a/bfd/elf32-vax.c b/bfd/elf32-vax.c
index 6089e8c..893ea8d 100644 (file)
--- a/bfd/elf32-vax.c
+++ b/bfd/elf32-vax.c
@@ -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);

diff --git a/bfd/elf32-xtensa.c b/bfd/elf32-xtensa.c
index ada3e5a..c2aef25 100644 (file)
--- a/bfd/elf32-xtensa.c
+++ b/bfd/elf32-xtensa.c
@@ -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)

diff --git a/bfd/elf64-alpha.c b/bfd/elf64-alpha.c
index 35c1ec6..e46f27f 100644 (file)
--- a/bfd/elf64-alpha.c
+++ b/bfd/elf64-alpha.c
@@ -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);

diff --git a/bfd/elf64-hppa.c b/bfd/elf64-hppa.c
index 6f40b88..3b628b4 100644 (file)
--- a/bfd/elf64-hppa.c
+++ b/bfd/elf64-hppa.c
@@ -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);

diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index 5ad5f48..e5344df 100644 (file)
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -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)

diff --git a/bfd/elf64-s390.c b/bfd/elf64-s390.c
index 0264236..1c37699 100644 (file)
--- a/bfd/elf64-s390.c
+++ b/bfd/elf64-s390.c
@@ -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)

diff --git a/bfd/elf64-sh64.c b/bfd/elf64-sh64.c
index e460895..d920598 100644 (file)
--- a/bfd/elf64-sh64.c
+++ b/bfd/elf64-sh64.c
@@ -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);

diff --git a/bfd/elf64-x86-64.c b/bfd/elf64-x86-64.c
index 2230c15..cbb8cfb 100644 (file)
--- a/bfd/elf64-x86-64.c
+++ b/bfd/elf64-x86-64.c
@@ -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)

diff --git a/bfd/elflink.c b/bfd/elflink.c
index 4e52d7b..aec96e5 100644 (file)
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -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)
        {

diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c
index c9780fc..24ef79f 100644 (file)
--- a/bfd/elfnn-aarch64.c
+++ b/bfd/elfnn-aarch64.c
@@ -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)

diff --git a/bfd/elfnn-ia64.c b/bfd/elfnn-ia64.c
index c45fa28..3b304d5 100644 (file)
--- a/bfd/elfnn-ia64.c
+++ b/bfd/elfnn-ia64.c
@@ -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);

diff --git a/bfd/elfxx-mips.c b/bfd/elfxx-mips.c
index 5ece52d..4689b21 100644 (file)
--- a/bfd/elfxx-mips.c
+++ b/bfd/elfxx-mips.c
@@ -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);

diff --git a/bfd/elfxx-sparc.c b/bfd/elfxx-sparc.c
index 9bb71a9..db0d4f1 100644 (file)
--- a/bfd/elfxx-sparc.c
+++ b/bfd/elfxx-sparc.c
@@ -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);

diff --git a/bfd/elfxx-tilegx.c b/bfd/elfxx-tilegx.c
index 59a2f7e..6f7485a 100644 (file)
--- a/bfd/elfxx-tilegx.c
+++ b/bfd/elfxx-tilegx.c
@@ -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);

diff --git a/include/ChangeLog b/include/ChangeLog
index 4fedda7..8b9f921 100644 (file)
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -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.

diff --git a/include/bfdlink.h b/include/bfdlink.h
index 43bcc6a..2ffb3d1 100644 (file)
--- a/include/bfdlink.h
+++ b/include/bfdlink.h
@@ -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.  */

diff --git a/ld/ChangeLog b/ld/ChangeLog
index e73abeb..e1e06b8 100644 (file)
--- 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 (file)
--- 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

diff --git a/ld/ldlex.h b/ld/ldlex.h
index 5629ef1..6f11e7b 100644 (file)
--- a/ld/ldlex.h
+++ b/ld/ldlex.h
@@ -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 (file)
--- 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.  */