PR ld/13254

include/
	* bfdlink.h (struct bfd_link_info): Add error_textrel.
bfd/
	* elflink.c (bfd_elf_final_link): Emit error_textrel error.
ld/
	* emultempl/elf32.em (gld${EMULATION_NAME}_handle_option): Add
	-z text, -z notext, -z textoff options for all targets having
	shared lib support.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 3a0c0eb3709820e28fd1e94ddc3491506f7c5393..956e3c745f689e27c9668e14778d5169ba258039 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2011-10-19  Alan Modra  <amodra@gmail.com>
+
+       PR ld/13254
+       * elflink.c (bfd_elf_final_link): Emit error_textrel error.
+
 2011-10-18  David S. Miller  <davem@davemloft.net>
 
        PR binutils/13301

diff --git a/bfd/elflink.c b/bfd/elflink.c
index 18aefdb569523e16c40b02bce69b92fbb86da77e..bd1f2f23d5c3e0099d422c7f8a57f235159845df 100644 (file)
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -11187,7 +11187,8 @@ bfd_elf_final_link (bfd *abfd, struct bfd_link_info *info)
        goto error_return;
 
       /* Check for DT_TEXTREL (late, in case the backend removes it).  */
-      if (info->warn_shared_textrel && info->shared)
+      if ((info->warn_shared_textrel && info->shared)
+         || info->error_textrel)
        {
          bfd_byte *dyncon, *dynconend;
 
@@ -11205,8 +11206,12 @@ bfd_elf_final_link (bfd *abfd, struct bfd_link_info *info)
 
              if (dyn.d_tag == DT_TEXTREL)
                {
-                info->callbacks->einfo
-                   (_("%P: warning: creating a DT_TEXTREL in a shared object.\n"));
+                 if (info->error_textrel)
+                   info->callbacks->einfo
+                     (_("%P%X: read-only segment has dynamic relocations.\n"));
+                 else
+                   info->callbacks->einfo
+                     (_("%P: warning: creating a DT_TEXTREL in a shared object.\n"));
                  break;
                }
            }

diff --git a/include/ChangeLog b/include/ChangeLog
index e2d1be1ee870c6a91fd2dc0998b665e1475ed6b7..b5d2d72d2512681b94b58e3455b4e6e7c33044ff 100644 (file)
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,8 @@
+2011-10-19  Alan Modra  <amodra@gmail.com>
+
+       PR ld/13254
+       * bfdlink.h (struct bfd_link_info): Add error_textrel.
+
 2011-09-28  Doug Evans  <dje@google.com>
 
        * timeval-utils.h: New file.

diff --git a/include/bfdlink.h b/include/bfdlink.h
index c9e127c5c9995230968ca5c625c005fb08c42720..be853295ada0d3eba4c26a693dfada30b243c5c5 100644 (file)
--- a/include/bfdlink.h
+++ b/include/bfdlink.h
@@ -337,6 +337,9 @@ struct bfd_link_info
   /* TRUE if we should warn when adding a DT_TEXTREL to a shared object.  */
   unsigned int warn_shared_textrel: 1;
 
+  /* TRUE if we should error when adding a DT_TEXTREL.  */
+  unsigned int error_textrel: 1;
+
   /* TRUE if .hash section should be created.  */
   unsigned int emit_hash: 1;
 

diff --git a/ld/ChangeLog b/ld/ChangeLog
index 2fbd8d1d4e0c7da7ad1eadded67c1ecbc1584be4..04b8cf6e60d8a95fb9ff4e9573ea728579aeb18d 100644 (file)
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,10 @@
+2011-10-19  Alan Modra  <amodra@gmail.com>
+
+       PR ld/13254
+       * emultempl/elf32.em (gld${EMULATION_NAME}_handle_option): Add
+       -z text, -z notext, -z textoff options for all targets having
+       shared lib support.
+
 2011-10-15  Alan Modra  <amodra@gmail.com>
 
        * emultempl/ppc64elf.em (gld${EMULATION_NAME}_finish): Remove toc check.

diff --git a/ld/emultempl/elf32.em b/ld/emultempl/elf32.em
index 7c8e55bb9aaec5ccbd324840472f6199dbba0bde..78a708bb4f02a45ba2b887c536d05794bd1546ad 100644 (file)
--- a/ld/emultempl/elf32.em
+++ b/ld/emultempl/elf32.em
@@ -2327,6 +2327,12 @@ fragment <<EOF
        link_info.relro = TRUE;
       else if (strcmp (optarg, "norelro") == 0)
        link_info.relro = FALSE;
+      else if (strcmp (optarg, "text") == 0)
+       link_info.error_textrel = TRUE;
+      else if (strcmp (optarg, "notext") == 0)
+       link_info.error_textrel = FALSE;
+      else if (strcmp (optarg, "textoff") == 0)
+       link_info.error_textrel = FALSE;
 EOF
 fi