From ec42f922fd431529ac48f465b74d26c2bf9b852b Mon Sep 17 00:00:00 2001
From: "H.J. Lu" <hjl@lucon.org>
Date: Thu, 20 Jul 2000 03:25:10 +0000
Subject: [PATCH] 2000-07-19  H.J. Lu  <hjl@gnu.org>

	* emulparams/elf32mcore.sh (PARSE_AND_LIST_ARGS): Removed.
	(PARSE_AND_LIST_PROLOGUE): New.
	(PARSE_AND_LIST_LONGOPTS): Likewise.
	(PARSE_AND_LIST_OPTIONS): Likewise.
	(PARSE_AND_LIST_ARGS_CASES): Likewise.

	* ldmain.c (main): Clear link_info.flags and link_info.flags_1.

	* lexsup.c (ld_options): Comment out 'z'.
	(parse_args): Likewise.

	* emultempl/elf32.em: Include "elf/common.h".
	(gld_${EMULATION_NAME}_parse_args): Defined. Handle some -z
	options.
	(gld_${EMULATION_NAME}_list_options): Likewise.

	* ld.texinfo: Add documentation for the recognized -z options.
---
 ld/ChangeLog                |  20 ++++++
 ld/emulparams/elf32mcore.sh |  57 +++-------------
 ld/emultempl/elf32.em       | 154 +++++++++++++++++++++++++++++++++++++++++++-
 ld/ld.texinfo               |  16 ++++-
 ld/ldmain.c                 |   2 +
 ld/lexsup.c                 |   4 ++
 6 files changed, 201 insertions(+), 52 deletions(-)

diff --git a/ld/ChangeLog b/ld/ChangeLog
index db2966391..2baeea798 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,5 +1,25 @@
 2000-07-19  H.J. Lu  <hjl@gnu.org>
 
+	* elf32-arm.h (elf32_arm_size_dynamic_sections): Also set
+	DF_TEXTREL if DT_TEXTREL is set.
+	* elf32-i370.c (i370_elf_size_dynamic_sections): Likewise.
+	* elf32-i386.c (elf_i386_size_dynamic_sections): Likewise.
+	* elf32-m68k.c (elf_m68k_size_dynamic_sections): Likewise.
+	* elf32-mips.c (_bfd_mips_elf_size_dynamic_sections): Likewise.
+	* elf32-ppc.c (ppc_elf_size_dynamic_sections): Likewise.
+	* elf32-sparc.c (elf32_sparc_size_dynamic_sections): Likewise.
+	* elf64-alpha.c (elf64_alpha_size_dynamic_sections): Likewise.
+	* elf64-hppa.c (elf64_hppa_size_dynamic_sections): Likewise.
+	* elf64-ia64.c (elf64_ia64_size_dynamic_sections): Likewise.
+	* elf64-sparc.c (sparc64_elf_size_dynamic_sections): Likewise.
+
+	* bfd/elflink.h (NAME(bfd_elf,size_dynamic_sections)): Also
+	set DF_SYMBOLIC for symbolic link. Also set DT_RUNPATH if
+	DT_RPATH is set.
+	Set the DT_FLAGS and DT_FLAGS_1 entries if necessary.
+
+2000-07-19  H.J. Lu  <hjl@gnu.org>
+
 	* emultempl/elf32.em (gld${EMULATION_NAME}_try_needed): Call
 	bfd_elf_set_dt_needed_soname ().
 
diff --git a/ld/emulparams/elf32mcore.sh b/ld/emulparams/elf32mcore.sh
index b1f7b8c0f..2d0638730 100644
--- a/ld/emulparams/elf32mcore.sh
+++ b/ld/emulparams/elf32mcore.sh
@@ -33,54 +33,20 @@ GENERATE_SHLIB_SCRIPT=yes
 
 # This code gets inserted into the generic elf32.sc linker script
 # and allows us to define our own command line switches.
-PARSE_AND_LIST_ARGS='
-
+PARSE_AND_LIST_PROLOGUE='
 #define OPTION_BASE_FILE		300
+'
 
-#include "getopt.h"
-
-static struct option longopts[] =
-{
+PARSE_AND_LIST_LONGOPTS='
   {"base-file", required_argument, NULL, OPTION_BASE_FILE},
-  {NULL, no_argument, NULL, 0}
-};
-
-static void
-gld_elf32mcore_list_options (file)
-     FILE * file;
-{
-  fprintf (file, _("  --base_file <basefile>      Generate a base file for relocatable DLLs\n"));
-}
-
-static int
-gld_elf32mcore_parse_args (argc, argv)
-     int argc;
-     char ** argv;
-{
-  int        longind;
-  int        optc;
-  int        prevoptind = optind;
-  int        prevopterr = opterr;
-  int        wanterror;
-  static int lastoptind = -1;
-
-  if (lastoptind != optind)
-    opterr = 0;
-  
-  wanterror  = opterr;
-  lastoptind = optind;
-
-  optc   = getopt_long_only (argc, argv, "-", longopts, & longind);
-  opterr = prevopterr;
+'
 
-  switch (optc)
-    {
-    default:
-      if (wanterror)
-	xexit (1);
-      optind =  prevoptind;
-      return 0;
+PARSE_AND_LIST_OPTIONS='
+  fprintf (file, _("  --base_file <basefile>\n"));
+  fprintf (file, _("\t\t\tGenerate a base file for relocatable DLLs\n"));
+'
 
+PARSE_AND_LIST_ARGS_CASES='
     case OPTION_BASE_FILE:
       link_info.base_file = (PTR) fopen (optarg, FOPEN_WB);
       if (link_info.base_file == NULL)
@@ -91,9 +57,4 @@ gld_elf32mcore_parse_args (argc, argv)
 	  xexit (1);
 	}
       break;
-    }
-  
-  return 1;
-}
-
 '
diff --git a/ld/emultempl/elf32.em b/ld/emultempl/elf32.em
index 3cdb85686..0e4464dce 100644
--- a/ld/emultempl/elf32.em
+++ b/ld/emultempl/elf32.em
@@ -45,6 +45,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #include "ldfile.h"
 #include "ldemul.h"
 #include "ldgram.h"
+#include "elf/common.h"
 
 static void gld${EMULATION_NAME}_before_parse PARAMS ((void));
 static boolean gld${EMULATION_NAME}_open_dynamic_archive
@@ -1184,14 +1185,15 @@ EOF
 
 fi
 
-if test -n "$PARSE_AND_LIST_ARGS" ; then
+if test -n "$PARSE_AND_LIST_ARGS_CASES" || test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
+NEED_PARSE_AND_LIST=yes
+
 cat >>e${EMULATION_NAME}.c <<EOF
 static int  gld_${EMULATION_NAME}_parse_args PARAMS ((int, char **));
 static void gld_${EMULATION_NAME}_list_options PARAMS ((FILE * file));
-
- $PARSE_AND_LIST_ARGS
 EOF
 else
+NEED_PARSE_AND_LIST=no
 
 cat >>e${EMULATION_NAME}.c <<EOF
 #define gld_${EMULATION_NAME}_parse_args   NULL
@@ -1200,6 +1202,152 @@ EOF
 
 fi
 
+if test -n "$PARSE_AND_LIST_PROLOGUE" ; then
+cat >>e${EMULATION_NAME}.c <<EOF
+ $PARSE_AND_LIST_PROLOGUE
+EOF
+fi
+
+if test "$NEED_PARSE_AND_LIST" = yes; then
+cat >>e${EMULATION_NAME}.c <<EOF
+
+#include "getopt.h"
+
+static struct option longopts[] =
+{
+EOF
+fi
+
+if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
+cat >>e${EMULATION_NAME}.c <<EOF
+  {NULL, required_argument, NULL, 'z'},
+EOF
+fi
+
+if test -n "$PARSE_AND_LIST_LONGOPTS" ; then
+cat >>e${EMULATION_NAME}.c <<EOF
+ $PARSE_AND_LIST_LONGOPTS
+EOF
+fi
+
+if test "$NEED_PARSE_AND_LIST" = yes; then
+cat >>e${EMULATION_NAME}.c <<EOF
+  {NULL, no_argument, NULL, 0}
+};
+
+static int
+gld_${EMULATION_NAME}_parse_args (argc, argv)
+     int argc;
+     char ** argv;
+{
+  int longind, optc;
+  int prevoptind = optind;
+  int prevopterr = opterr;
+  int wanterror;
+  static int lastoptind = -1;
+
+  if (lastoptind != optind)
+    opterr = 0;
+
+  wanterror  = opterr;
+  optc = getopt_long_only (argc, argv, "-z:", longopts, &longind);
+  opterr = prevopterr;
+
+  switch (optc)
+    {
+    default:
+      if (wanterror)
+	xexit (1);
+      optind =  prevoptind;
+      return 0;
+EOF
+fi
+
+if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
+cat >>e${EMULATION_NAME}.c <<EOF
+    case 'z':
+      if (strcmp (optarg, "initfirst") == 0)
+	link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST;
+      else if (strcmp (optarg, "interpose") == 0)
+	link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE;
+      else if (strcmp (optarg, "loadfltr") == 0)
+	link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR;
+      else if (strcmp (optarg, "nodefaultlib") == 0)
+	link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB;
+      else if (strcmp (optarg, "nodelete") == 0)
+	link_info.flags_1 |= (bfd_vma) DF_1_NODELETE;
+      else if (strcmp (optarg, "nodlopen") == 0)
+	link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN;
+      else if (strcmp (optarg, "nodump") == 0)
+	link_info.flags_1 |= (bfd_vma) DF_1_NODUMP;
+      else if (strcmp (optarg, "now") == 0)
+	{
+	  link_info.flags |= (bfd_vma) DF_BIND_NOW;
+	  link_info.flags_1 |= (bfd_vma) DF_1_NOW;
+	}
+      else if (strcmp (optarg, "origin") == 0)
+	{
+	  link_info.flags |= (bfd_vma) DF_ORIGIN;
+	  link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN;
+	}
+      /* What about the other Solaris -z options? FIXME.  */
+    break;
+EOF
+fi
+
+if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then
+cat >>e${EMULATION_NAME}.c <<EOF
+ $PARSE_AND_LIST_ARGS_CASES
+EOF
+fi
+
+if test "$NEED_PARSE_AND_LIST" = yes; then
+cat >>e${EMULATION_NAME}.c <<EOF
+    }
+
+  return 1;
+}
+
+static void
+gld_${EMULATION_NAME}_list_options (file)
+     FILE * file;
+{
+EOF
+fi
+
+if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
+cat >>e${EMULATION_NAME}.c <<EOF
+  fprintf (file, _("  -z initfirst\t\tMark DSO to be initialized first at rutime\n"));
+  fprintf (file, _("  -z interpose\t\tMark object to interpose all DSOs but execuable\n"));
+  fprintf (file, _("  -z loadfltr\t\tMark object requiring immediate process\n"));
+  fprintf (file, _("  -z nodefaultlib\tMark object not to use default search paths\n"));
+  fprintf (file, _("  -z nodelete\t\tMark DSO non-deletable at runtime\n"));
+  fprintf (file, _("  -z nodlopen\t\tMark DSO not availale to dlopen\n"));
+  fprintf (file, _("  -z nodump\t\tMark DSO not availale to dldump\n"));
+  fprintf (file, _("  -z now\t\tMark object non-lazy runtime binding\n"));
+  fprintf (file, _("  -z origin\t\tMark object requiring immediate \$ORIGIN processing\n"));
+  fprintf (file, _("\t\t\t  at runtime\n"));
+EOF
+fi
+
+if test -n "$PARSE_AND_LIST_OPTIONS" ; then
+cat >>e${EMULATION_NAME}.c <<EOF
+ $PARSE_AND_LIST_OPTIONS
+EOF
+fi
+
+if test "$NEED_PARSE_AND_LIST" = yes; then
+cat >>e${EMULATION_NAME}.c <<EOF
+}
+EOF
+fi
+
+if test -n "$PARSE_AND_LIST_EPILOGUE" ; then
+cat >>e${EMULATION_NAME}.c <<EOF
+ $PARSE_AND_LIST_EPILOGUE
+EOF
+fi
+
 cat >>e${EMULATION_NAME}.c <<EOF
 
 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
diff --git a/ld/ld.texinfo b/ld/ld.texinfo
index 016914d2f..2bc54e473 100644
--- a/ld/ld.texinfo
+++ b/ld/ld.texinfo
@@ -737,7 +737,21 @@ for Solaris compatibility.
 
 @kindex -z @var{keyword}
 @item -z @var{keyword}
-This option is ignored for Solaris compatibility.
+The recognized keywords are @code{initfirst}, @code{interpose},
+@code{loadfltr}, @code{nodefaultlib}, @code{nodelete}, @code{nodlopen},
+@code{nodump}, @code{now} and @code{origin}. The other keywords are
+ignored for Solaris compatibility. @code{initfirst} marks the object
+to be initialized first at runtime before any other objects.
+@code{interpose} marks the object that its symbol table interposes
+before all symbols but the primary executable. @code{loadfltr} marks
+the object that its filtees be processed immediately at runtime.
+@code{nodefaultlib} marks the object that the search for dependencies
+of this object will ignore any default library search paths.
+@code{nodelete} marks the object shouldn't be unloaded at runtime.
+@code{nodlopen} marks the object not available to @code{dlopen}.
+@code{nodump} marks the object can not be dumped by @code{dldump}.
+@code{now} marks the object with the non-lazy runtime binding.
+@code{origin} marks the object may contain $ORIGIN.
 
 @kindex -(
 @cindex groups of archives
diff --git a/ld/ldmain.c b/ld/ldmain.c
index 538268e1e..9f84456c1 100644
--- a/ld/ldmain.c
+++ b/ld/ldmain.c
@@ -237,6 +237,8 @@ main (argc, argv)
      and _fini symbols.  We are compatible.  */
   link_info.init_function = "_init";
   link_info.fini_function = "_fini";
+  link_info.flags = (bfd_vma) 0;
+  link_info.flags_1 = (bfd_vma) 0;
 
   ldfile_add_arch ("");
 
diff --git a/ld/lexsup.c b/ld/lexsup.c
index a018f28d9..e2cd2d107 100644
--- a/ld/lexsup.c
+++ b/ld/lexsup.c
@@ -237,8 +237,10 @@ static const struct ld_option ld_options[] =
       'y', N_("SYMBOL"), N_("Trace mentions of SYMBOL"), TWO_DASHES },
   { {NULL, required_argument, NULL, '\0'},
       'Y', N_("PATH"), N_("Default search path for Solaris compatibility"), ONE_DASH },
+#if 0
   { {NULL, required_argument, NULL, '\0'},
       'z', N_("KEYWORD"), N_("Ignored for Solaris compatibility"), ONE_DASH },
+#endif
   { {"start-group", no_argument, NULL, '('},
       '(', NULL, N_("Start a group"), TWO_DASHES },
   { {"end-group", no_argument, NULL, ')'},
@@ -994,11 +996,13 @@ the GNU General Public License.  This program has absolutely no warranty.\n"));
 	case 'y':
 	  add_ysym (optarg);
 	  break;
+#if 0
 	case 'z':
 	  /* We accept and ignore this option for Solaris
              compatibility.  Actually, on Solaris, optarg is not
              ignored.  Someday we should handle it correctly.  FIXME.  */
 	  break;
+#endif
 	case OPTION_SPLIT_BY_RELOC:
 	  config.split_by_reloc = strtoul (optarg, NULL, 0);
 	  break; 
-- 
2.11.4.GIT