From e87b950c8e6dd1bbbe7dc78a82a0abd089665230 Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <ian@airs.com>
Date: Thu, 30 Jan 1997 16:33:36 +0000
Subject: [PATCH] 	* emultempl/sunos.em: Include <ctype.h>. 
 (gld${EMULATION_NAME}_find_so): Skip the directory name when 	searching for
 ".so.". 	(gld${EMULATION_NAME}_search_dir): Make sure that the library
 name 	has a version number, and that only version numbers follow .so.

---
 ld/ChangeLog          |   8 ++++
 ld/emultempl/sunos.em | 108 +++++++++++++++++++++++++++++-------------
 2 files changed, 84 insertions(+), 32 deletions(-)

diff --git a/ld/ChangeLog b/ld/ChangeLog
index 720fea6b862..6aeb7279628 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,11 @@
+Thu Jan 30 11:31:52 1997  Ian Lance Taylor  <ian@cygnus.com>
+
+	* emultempl/sunos.em: Include <ctype.h>.
+	(gld${EMULATION_NAME}_find_so): Skip the directory name when
+	searching for ".so.".
+	(gld${EMULATION_NAME}_search_dir): Make sure that the library name
+	has a version number, and that only version numbers follow .so.
+
 Wed Jan 29 18:15:00 1997  Geoffrey Noer  <noer@cygnus.com>
 
 	* scripttempl/pe.sc:
diff --git a/ld/emultempl/sunos.em b/ld/emultempl/sunos.em
index e1c698398d0..590736243ce 100644
--- a/ld/emultempl/sunos.em
+++ b/ld/emultempl/sunos.em
@@ -4,7 +4,7 @@ cat >e${EMULATION_NAME}.c <<EOF
 /* This file is is generated by a shell script.  DO NOT EDIT! */
 
 /* SunOS emulation code for ${EMULATION_NAME}
-   Copyright (C) 1991, 1993, 1994 Free Software Foundation, Inc.
+   Copyright (C) 1991, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.
    Written by Steve Chamberlain <sac@cygnus.com>
    SunOS shared library support by Ian Lance Taylor <ian@cygnus.com>
 
@@ -26,12 +26,14 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 #define TARGET_IS_${EMULATION_NAME}
 
+#include <ctype.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 
 #include "bfd.h"
 #include "sysdep.h"
 #include "bfdlink.h"
+#include "libiberty.h"
 
 #include "ld.h"
 #include "ldmain.h"
@@ -57,6 +59,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #endif
 
 static void gld${EMULATION_NAME}_before_parse PARAMS ((void));
+static void gld${EMULATION_NAME}_set_symbols PARAMS ((void));
 static void gld${EMULATION_NAME}_create_output_section_statements
   PARAMS ((void));
 static void gld${EMULATION_NAME}_find_so
@@ -87,6 +90,46 @@ gld${EMULATION_NAME}_before_parse()
   config.dynamic_link = true;
 }
 
+/* This is called after the command line arguments have been parsed,
+   but before the linker script has been read.  If this is a native
+   linker, we add the directories in LD_LIBRARY_PATH to the search
+   list.  */
+
+static void
+gld${EMULATION_NAME}_set_symbols ()
+{
+EOF
+if [ "x${host}" = "x${target}" ] ; then
+  if [ "x${DEFAULT_EMULATION}" = "x${EMULATION_NAME}" ] ; then
+cat >>e${EMULATION_NAME}.c <<EOF
+  const char *env;
+
+  env = (const char *) getenv ("LD_LIBRARY_PATH");
+  if (env != NULL)
+    {
+      char *l;
+
+      l = xstrdup (env);
+      while (1)
+	{
+	  char *c;
+
+	  c = strchr (l, ':');
+	  if (c != NULL)
+	    *c++ = '\0';
+	  if (*l != '\0')
+	    ldfile_add_library_path (l, false);
+	  if (c == NULL)
+	    break;
+	  l = c;
+	}
+    }
+EOF
+  fi
+fi
+cat >>e${EMULATION_NAME}.c <<EOF
+}
+
 /* Despite the name, we use this routine to search for dynamic
    libraries.  On SunOS this requires a directory search.  We need to
    find the .so file with the highest version number.  The user may
@@ -153,36 +196,22 @@ gld${EMULATION_NAME}_find_so (inp)
      found, add it to the list of input files.  */
   alc = (char *) xmalloc (strlen (inp->filename) + 1);
   strcpy (alc, inp->filename);
-  strstr (alc, ".so.")[2] = 'a';
-  if (stat (alc, &st) == 0)
+  strstr (alc + strlen (search->name), ".so.")[2] = 'a';
+  if (stat (alc, &st) != 0)
+    free (alc);
+  else
     {
       lang_input_statement_type *sa;
-      char *a;
 
-      /* Add the .sa file to the statement list just after the .so
+      /* Add the .sa file to the statement list just before the .so
 	 file.  This is really a hack.  */
       sa = ((lang_input_statement_type *)
 	    xmalloc (sizeof (lang_input_statement_type)));
-      sa->header.next = inp->header.next;
-      sa->header.type = lang_input_statement_enum;
-      a = (char *) xmalloc (strlen (alc) + 1);
-      strcpy (a, alc);
-      sa->filename = a;
-      sa->local_sym_name = a;
-      sa->the_bfd = NULL;
-      sa->asymbols = NULL;
-      sa->symbol_count = 0;
-      sa->next = NULL;
-      sa->next_real_file = inp->next_real_file;
-      sa->is_archive = false;
-      sa->search_dirs_flag = false;
-      sa->just_syms_flag = false;
-      sa->loaded = false;
-      sa->real = true;
-      sa->complained = false;
-
-      /* Put the new statement next on the list of statements and next
-	 on the list of input files.  */
+      *sa = *inp;
+
+      inp->filename = alc;
+      inp->local_sym_name = alc;
+
       inp->header.next = (lang_statement_union_type *) sa;
       inp->next_real_file = (lang_statement_union_type *) sa;
     }
@@ -239,6 +268,7 @@ gld${EMULATION_NAME}_search_dir (dirname, filename, found_static)
   
   while ((entry = readdir (dir)) != NULL)
     {
+      const char *s;
       int found_maj, found_min;
 
       if (strncmp (entry->d_name, "lib", 3) != 0
@@ -252,7 +282,14 @@ gld${EMULATION_NAME}_search_dir (dirname, filename, found_static)
 	  continue;
 	}
 
-      if (strncmp (entry->d_name + 3 + len, ".so", 3) != 0)
+      if (strncmp (entry->d_name + 3 + len, ".so.", 4) != 0
+	  || ! isdigit (entry->d_name[7 + len]))
+	continue;
+
+      for (s = entry->d_name + 7 + len; *s != '\0'; s++)
+	if (*s != '.' && ! isdigit (*s))
+	  break;
+      if (*s != '\0')
 	continue;
 
       /* We've found a .so file.  Work out the major and minor
@@ -325,7 +362,6 @@ gld${EMULATION_NAME}_after_open ()
     {
       struct bfd_link_needed_list *ll;
       const char *lname;
-      const char *lib_path;
       search_dirs_type *search;
 
       lname = l->name;
@@ -404,12 +440,18 @@ gld${EMULATION_NAME}_after_open ()
 	    continue;
 	}
 EOF
-if [ "x${host_alias}" = "x${target_alias}" ] ; then
+if [ "x${host}" = "x${target}" ] ; then
+  if [ "x${DEFAULT_EMULATION}" = "x${EMULATION_NAME}" ] ; then
 cat >>e${EMULATION_NAME}.c <<EOF
-      lib_path = (const char *) getenv ("LD_LIBRARY_PATH");
-      if (gld${EMULATION_NAME}_search_needed (lib_path, lname))
-	continue;
+      {
+	const char *lib_path;
+
+	lib_path = (const char *) getenv ("LD_LIBRARY_PATH");
+	if (gld${EMULATION_NAME}_search_needed (lib_path, lname))
+	  continue;
+      }
 EOF
+  fi
 fi
 cat >>e${EMULATION_NAME}.c <<EOF
       if (command_line.rpath != NULL)
@@ -965,6 +1007,8 @@ struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
   "${OUTPUT_FORMAT}",
   NULL, /* finish */
   gld${EMULATION_NAME}_create_output_section_statements,
-  NULL /* open_dynamic_library */
+  NULL, /* open_dynamic_library */
+  NULL, /* place_orphan */
+  gld${EMULATION_NAME}_set_symbols
 };
 EOF
-- 
2.30.2