bfd/

2003-06-03  H.J. Lu <hongjiu.lu@intel.com>

	* elflink.h (elf_link_input_bfd): Call linker error_handler
	for discarded definitions.

include/

2003-06-03  H.J. Lu <hongjiu.lu@intel.com>

	* bfdlink.h (LD_DEFINITION_IN_DISCARDED_SECTION): New.

ld/

2003-06-03  H.J. Lu <hongjiu.lu@intel.com>

	* ldmisc.c: Include "bfdlink.h".
	(error_handler): Handle LD_DEFINITION_IN_DISCARDED_SECTION
	and -LD_DEFINITION_IN_DISCARDED_SECTION.

	* Makefile.am: Rebuild dependency.
	* Makefile.in: Regenerated.

ld/testsuite/

2003-06-03  H.J. Lu <hongjiu.lu@intel.com>

	* ld-discard/extern.d: Updated.
	* ld-discard/start.d: Likewise.
	* ld-discard/static.d: Likewise.

8 files changed, 79 insertions, 12 deletions

diff --git a/ld/ChangeLog b/ld/ChangeLog
index 731f6ec..2652c8d 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,12 @@
+2003-06-03  H.J. Lu <hongjiu.lu@intel.com>
+
+	* ldmisc.c: Include "bfdlink.h".
+	(error_handler): Handle LD_DEFINITION_IN_DISCARDED_SECTION
+	and -LD_DEFINITION_IN_DISCARDED_SECTION.
+
+	* Makefile.am: Rebuild dependency.
+	* Makefile.in: Regenerated.
+
 2003-06-03  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
 
 	* emulparams/shlelf_linux.sh (GENERATE_PIE_SCRIPT): Set to yes.
diff --git a/ld/Makefile.am b/ld/Makefile.am
index a09ccfe..0ad0824 100644
--- a/ld/Makefile.am
+++ b/ld/Makefile.am
@@ -1662,10 +1662,10 @@ ldmain.o: ldmain.c ../bfd/bfd.h $(INCDIR)/ansidecl.h \
   ldmain.h ldmisc.h ldwrite.h ldexp.h ldlang.h ldgram.h \
   ldlex.h ldfile.h ldemul.h ldctor.h
 ldmisc.o: ldmisc.c ../bfd/bfd.h $(INCDIR)/ansidecl.h \
-  $(INCDIR)/symcat.h sysdep.h config.h $(INCDIR)/fopen-same.h \
-  $(INCDIR)/libiberty.h $(INCDIR)/demangle.h ld.h $(INCDIR)/bin-bugs.h \
-  ldmisc.h ldexp.h ldlang.h ldgram.h ldlex.h ldmain.h \
-  ldfile.h
+  $(INCDIR)/symcat.h $(INCDIR)/bfdlink.h sysdep.h config.h \
+  $(INCDIR)/fopen-same.h $(INCDIR)/libiberty.h $(INCDIR)/demangle.h \
+  ld.h $(INCDIR)/bin-bugs.h ldmisc.h ldexp.h ldlang.h \
+  ldgram.h ldlex.h ldmain.h ldfile.h
 ldver.o: ldver.c ../bfd/bfd.h $(INCDIR)/ansidecl.h \
   $(INCDIR)/symcat.h ../bfd/bfdver.h sysdep.h config.h \
   $(INCDIR)/fopen-same.h ld.h $(INCDIR)/bin-bugs.h ldver.h \
diff --git a/ld/Makefile.in b/ld/Makefile.in
index f3e7cc5..bd4b71c 100644
--- a/ld/Makefile.in
+++ b/ld/Makefile.in
@@ -2362,10 +2362,10 @@ ldmain.o: ldmain.c ../bfd/bfd.h $(INCDIR)/ansidecl.h \
   ldmain.h ldmisc.h ldwrite.h ldexp.h ldlang.h ldgram.h \
   ldlex.h ldfile.h ldemul.h ldctor.h
 ldmisc.o: ldmisc.c ../bfd/bfd.h $(INCDIR)/ansidecl.h \
-  $(INCDIR)/symcat.h sysdep.h config.h $(INCDIR)/fopen-same.h \
-  $(INCDIR)/libiberty.h $(INCDIR)/demangle.h ld.h $(INCDIR)/bin-bugs.h \
-  ldmisc.h ldexp.h ldlang.h ldgram.h ldlex.h ldmain.h \
-  ldfile.h
+  $(INCDIR)/symcat.h $(INCDIR)/bfdlink.h sysdep.h config.h \
+  $(INCDIR)/fopen-same.h $(INCDIR)/libiberty.h $(INCDIR)/demangle.h \
+  ld.h $(INCDIR)/bin-bugs.h ldmisc.h ldexp.h ldlang.h \
+  ldgram.h ldlex.h ldmain.h ldfile.h
 ldver.o: ldver.c ../bfd/bfd.h $(INCDIR)/ansidecl.h \
   $(INCDIR)/symcat.h ../bfd/bfdver.h sysdep.h config.h \
   $(INCDIR)/fopen-same.h ld.h $(INCDIR)/bin-bugs.h ldver.h \
diff --git a/ld/ldmisc.c b/ld/ldmisc.c
index a2e496d..461d697 100644
--- a/ld/ldmisc.c
+++ b/ld/ldmisc.c
@@ -22,6 +22,7 @@
    02111-1307, USA.  */
 
 #include "bfd.h"
+#include "bfdlink.h"
 #include "sysdep.h"
 #include "libiberty.h"
 #include "demangle.h"
@@ -508,12 +509,63 @@ ld_abort (file, line, fn)
 }
 
 bfd_boolean
-error_handler VPARAMS ((int id ATTRIBUTE_UNUSED, const char *fmt, ...))
+error_handler VPARAMS ((int id, const char *fmt, ...))
 {
   VA_OPEN (arg, fmt);
   VA_FIXEDARG (arg, const char *, fmt);
 
+  va_start (arg, fmt);
+
+  switch (id)
+    {
+    default:
+      break;
+
+    /* We can be called with
+    
+	error_handler (-LD_DEFINITION_IN_DISCARDED_SECTION, "", 0);
+	
+	to make this error non-fatal and
+
+	error_handler (-LD_DEFINITION_IN_DISCARDED_SECTION, "", 1);
+
+	to make this error fatal.  */
+    case -LD_DEFINITION_IN_DISCARDED_SECTION:
+    case LD_DEFINITION_IN_DISCARDED_SECTION:
+      {
+	static struct bfd_hash_table *hash;
+	static int fatal = 1;
+	const char *name;
+
+	if (id == -LD_DEFINITION_IN_DISCARDED_SECTION)
+	  {
+	    fatal = va_arg (arg, int);
+	    goto out;
+	  }
+
+	name = va_arg (arg, const char *);
+	/* Only warn once about a particular undefined symbol.  */
+	if (hash == NULL)
+	  {
+	    hash = ((struct bfd_hash_table *)
+		    xmalloc (sizeof (struct bfd_hash_table)));
+	    if (! bfd_hash_table_init (hash, bfd_hash_newfunc))
+	      einfo (_("%F%P: bfd_hash_table_init failed: %E\n"));
+	  }
+
+	if (bfd_hash_lookup (hash, name, FALSE, FALSE) != NULL)
+	  goto out;
+
+	if (bfd_hash_lookup (hash, name, TRUE, TRUE) == NULL)
+	  einfo (_("%F%P: bfd_hash_lookup failed: %E\n"));
+
+	if (fatal)
+	  config.make_executable = FALSE;
+      }
+      break;
+    }
   vfinfo (stderr, fmt, arg);
+out:
   VA_CLOSE (arg);
   return TRUE;
 }
diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index 8cdb4c4..cd38c94d 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,5 +1,11 @@
 2003-06-03  H.J. Lu <hongjiu.lu@intel.com>
 
+	* ld-discard/extern.d: Updated.
+	* ld-discard/start.d: Likewise.
+	* ld-discard/static.d: Likewise.
+
+2003-06-03  H.J. Lu <hongjiu.lu@intel.com>
+
 	* ld-elfcomm/elfcomm.exp: Mark tests untested if compiler is
 	not available.
 
diff --git a/ld/testsuite/ld-discard/extern.d b/ld/testsuite/ld-discard/extern.d
index 76d4263..10fa0f7 100644
--- a/ld/testsuite/ld-discard/extern.d
+++ b/ld/testsuite/ld-discard/extern.d
@@ -1,3 +1,3 @@
 #source: extern.s
 #ld: -T discard.ld
-#error: undefined reference to `(data|local symbols in discarded section \.data\.exit)'
+#error: data: discarded in section `\.data\.exit' from tmpdir/dump0.o
diff --git a/ld/testsuite/ld-discard/start.d b/ld/testsuite/ld-discard/start.d
index feef5ea..b8f46ae 100644
--- a/ld/testsuite/ld-discard/start.d
+++ b/ld/testsuite/ld-discard/start.d
@@ -1,4 +1,4 @@
 #source: start.s
 #source: exit.s
 #ld: -T discard.ld
-#error: undefined reference to `data'
+#error: data: discarded in section `\.data\.exit' from tmpdir/dump1.o
diff --git a/ld/testsuite/ld-discard/static.d b/ld/testsuite/ld-discard/static.d
index 2253f1a..78b89b0 100644
--- a/ld/testsuite/ld-discard/static.d
+++ b/ld/testsuite/ld-discard/static.d
@@ -1,3 +1,3 @@
 #source: static.s
 #ld: -T discard.ld
-#error: undefined reference to `local symbols in discarded section \.data\.exit'
+#error: local symbol 0: discarded in section `\.data\.exit' from tmpdir/dump0.o