* include/elf/ia64.h (SHT_IA_64_VMS_DISPLAY_NAME_INFO,

        EF_IA_64_ARCHVER_1): New macros. Minor reformatting.

        * bfd/Makefile.am (BFD32_BACKENDS): Add new object vmsutil.lo
        (BFD32_BACKENDS_CFILES): Add new file vmsutil.c
        (vmsutil.lo): Add dependency rule
        * bfd/Makefile.in: Regenerate
        * bfd/config.bfd (ia64*-*-*vms*): Add case.
        * bfd/configure.in (bfd_elf64_ia64_vms_vec): Add case.
        * bfd/configure: Regenerate
        * bfd/vmsutil.[ch]: New files
        * bfd/elf-bfd.h (struct bfd_elf_special_section): Change type of
        attr to bfd_vma.
        * bfd/elfxx-ia64.c (elfNN_vms_post_process_headers,
        elfNN_vms_section_processing, elfNN_vms_final_write_processing,
        elfNN_vms_close_and_cleanup, elfNN_vms_section_from_shdr,
        elfNN_vms_object_p): New functions
        * bfd/targets.c (bfd_elf64_ia64_vms_vec): New target.

        * gas/configure.tgt(ia64-*-*vms*): New target.
        * gas/dwarf2dbg.h (dwarf2_loc_mark_labels): Make extern.
        * gas/tc.h (md_number_to_chars): Declare iff undefined.
        * gas/config/obj-elf.c (obj_elf_change_section): Change type of
        arg attr to bfd_vma.
        (obj_elf_parse_section_letters): Return a bfd_vma. Change type of
        variables attr, md_attr to bfd_vma.
        (obj_elf_section_word): Likewise.
        (obj_elf_section): Change type of variable attr to bfd_vma
        * gas/config/obj-elf.h (obj_elf_change_section): Change type of
        arg attr to bfd_vma
        * gas/config/tc-ia64.c (bfdver.h,time.h): Include.
        (ia64_elf_section_letter): Now returns a bfd_vma.
        Handle VMS specific attributes.
        (ia64_elf_section_flags): Arg attr now a bfd_vma.
        (ia64_init): Don't turn on dependency checking for VMS.
        (ia64_target_format): Check for VMS flag bit.
        (do_alias): Hande decc$ functions.
        (get_vms_time): New function.
        (ia64_vms_note): New function.
        * gas/config/tc-ia64.h (ia64_elf_section_letter): Now returns a bfd_vma.
        (ia64_elf_section_flags): Arg attr now a bfd_vma.
        (tc_init_after_args): Define for VMS.
        * gas/config/tc-alpha.c (alpha_elf_section_letter): Return a bfd_vma.
        (alpha_elf_section_flags): Change type of arg attr to bfd_vma.
        * gas/config/tc-alpha.h: Likewise.
        * gas/config/tc-i386.c (x86_64_section_letter): Return a bfd_vma.
        (x86_64_section_word): Return a bfd_vma.
        * gas/config/tc-i386.h: Likewise.
        * gas/config/tc-ip2k.c (ip2k_elf_section_flags): Change type of arg
        attr to bfd_vma.
        * gas/config/tc-ip2k.h: Likewise.
        * gas/config/tc-mep.c (mep_elf_section_letter): Return a bfd_vma.
        (mep_elf_section_flags): Change type of arg attr to bfd_vma.
        * gas/config/tc-mep.h: Likewise.
        * gas/config/tc-ppc.c  (ppc_section_letter): Return a bfd_vma.
        (ppc_section_word): Return a bfd_vma.
        (ppc_section_flags): Change type of arg attr to bfd_vma.
        * gas/config/tc-ppc.h: Likewise.
        * gas/config/te-vms.h (DWARF2_DIR_SHOULD_END_WITH_SEPARATOR,
        DWAR2_FILE_TIME_NAME, DWARF2_FILE_SIZE_NAME, DWARF2_FILEN_NAME):
        New file with new macros
        * gas/dwarf2dbg.c (get_filenum, out_file_list): Default and call new
        macros.

21 files changed, 330 insertions, 50 deletions

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 60b69056124..df4a3d1e8b1 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,51 @@
+2009-01-15  Douglas B Rupp  <rupp@gnat.com>
+
+	* configure.tgt(ia64-*-*vms*): New target.
+	* dwarf2dbg.h (dwarf2_loc_mark_labels): Make extern.
+	* tc.h (md_number_to_chars): Declare iff undefined.
+	* config/obj-elf.c (obj_elf_change_section): Change type of arg
+	attr to bfd_vma.
+	(obj_elf_parse_section_letters): Return a bfd_vma. Change type of
+	variables attr, md_attr to bfd_vma.
+	(obj_elf_section_word): Likewise.
+	(obj_elf_section): Change type of variable attr to bfd_vma
+	* config/obj-elf.h (obj_elf_change_section): Change type of arg
+	attr to bfd_vma.
+	* config/tc-ia64.c (bfdver.h,time.h): Include.
+	(ia64_elf_section_letter): Now returns a bfd_vma.
+	Handle VMS specific attributes.
+	(ia64_elf_section_flags): Arg attr now a bfd_vma.
+	(ia64_init): Don't turn on dependency checking for VMS.
+	(ia64_target_format): Check for VMS flag bit.
+	(do_alias): Hande decc$ functions.
+	(get_vms_time): New function.
+	(ia64_vms_note): New function.
+	* config/tc-ia64.h (ia64_elf_section_letter): Now returns a bfd_vma.
+	(ia64_elf_section_flags): Arg attr now a bfd_vma.
+	(tc_init_after_args): Define for VMS.
+	* config/tc-alpha.c (alpha_elf_section_letter): Return a bfd_vma.
+	(alpha_elf_section_flags): Change type of arg attr to bfd_vma.
+	* config/tc-alpha.h: Likewise.
+	* config/tc-i386.c (x86_64_section_letter): Return a bfd_vma.
+	(x86_64_section_word): Return a bfd_vma.
+	* config/tc-i386.h: Likewise.
+	* config/tc-ip2k.c (ip2k_elf_section_flags): Change type of arg
+	attr to bfd_vma.
+	* config/tc-ip2k.h: Likewise.
+	* config/tc-mep.c (mep_elf_section_letter): Return a bfd_vma.
+	(mep_elf_section_flags): Change type of arg attr to bfd_vma.
+	* config/tc-mep.h: Likewise.
+	* config/tc-ppc.c  (ppc_section_letter): Return a bfd_vma.
+	(ppc_section_word): Return a bfd_vma.
+	(ppc_section_flags): Change type of arg attr to bfd_vma.
+	* config/tc-ppc.h: Likewise.
+	* config/tc-frv.h: Provide a prototype for frv_md_number_to_chars.
+	* config/te-vms.h (DWARF2_DIR_SHOULD_END_WITH_SEPARATOR,
+        DWAR2_FILE_TIME_NAME, DWARF2_FILE_SIZE_NAME, DWARF2_FILEN_NAME):
+        New file with new macros
+        * dwarf2dbg.c (get_filenum, out_file_list): Default and call new
+        macros.
+
 2009-01-15  Nick Clifton  <nickc@redhat.com>
 
 	PR 9722
diff --git a/gas/config/obj-elf.c b/gas/config/obj-elf.c
index cf3177087ab..4c68779c98f 100644
--- a/gas/config/obj-elf.c
+++ b/gas/config/obj-elf.c
@@ -1,6 +1,6 @@
 /* ELF object file format
    Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-   2001, 2002, 2003, 2004, 2005, 2006, 2007
+   2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009
    Free Software Foundation, Inc.
 
    This file is part of GAS, the GNU Assembler.
@@ -524,7 +524,7 @@ get_section (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, void *inf)
 void
 obj_elf_change_section (const char *name,
 			int type,
-			int attr,
+			bfd_vma attr,
 			int entsize,
 			const char *group_name,
 			int linkonce,
@@ -720,10 +720,10 @@ obj_elf_change_section (const char *name,
 #endif
 }
 
-static int
+static bfd_vma
 obj_elf_parse_section_letters (char *str, size_t len)
 {
-  int attr = 0;
+  bfd_vma attr = 0;
 
   while (len > 0)
     {
@@ -766,8 +766,8 @@ obj_elf_parse_section_letters (char *str, size_t len)
 	  {
 	    char *bad_msg = _("unrecognized .section attribute: want a,w,x,M,S,G,T");
 #ifdef md_elf_section_letter
-	    int md_attr = md_elf_section_letter (*str, &bad_msg);
-	    if (md_attr >= 0)
+	    bfd_vma md_attr = md_elf_section_letter (*str, &bad_msg);
+	    if (md_attr > 0)
 	      attr |= md_attr;
 	    else
 #endif
@@ -810,7 +810,7 @@ obj_elf_section_type (char *str, size_t len, bfd_boolean warn)
   return 0;
 }
 
-static int
+static bfd_vma
 obj_elf_section_word (char *str, size_t len, int *type)
 {
   int ret;
@@ -826,8 +826,8 @@ obj_elf_section_word (char *str, size_t len, int *type)
 
 #ifdef md_elf_section_word
   {
-    int md_attr = md_elf_section_word (str, len);
-    if (md_attr >= 0)
+    bfd_vma md_attr = md_elf_section_word (str, len);
+    if (md_attr > 0)
       return md_attr;
   }
 #endif
@@ -888,7 +888,8 @@ void
 obj_elf_section (int push)
 {
   char *name, *group_name, *beg;
-  int type, attr, dummy;
+  int type, dummy;
+  bfd_vma attr;
   int entsize;
   int linkonce;
   subsegT new_subsection = -1;
diff --git a/gas/config/obj-elf.h b/gas/config/obj-elf.h
index 18067f15fcc..95db3552d6b 100644
--- a/gas/config/obj-elf.h
+++ b/gas/config/obj-elf.h
@@ -1,6 +1,6 @@
 /* ELF object file format.
    Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
-   2002, 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
+   2002, 2003, 2004, 2006, 2007, 2009  Free Software Foundation, Inc.
 
    This file is part of GAS, the GNU Assembler.
 
@@ -166,7 +166,7 @@ extern void obj_elf_common (int);
 extern void obj_elf_data (int);
 extern void obj_elf_text (int);
 extern void obj_elf_change_section
-  (const char *, int, int, int, const char *, int, int);
+  (const char *, int, bfd_vma, int, const char *, int, int);
 extern struct fix *obj_elf_vtable_inherit (int);
 extern struct fix *obj_elf_vtable_entry (int);
 
diff --git a/gas/config/tc-alpha.c b/gas/config/tc-alpha.c
index a5b35fc29ad..cc3f74e16ad 100644
--- a/gas/config/tc-alpha.c
+++ b/gas/config/tc-alpha.c
@@ -4780,7 +4780,7 @@ select_gp_value (void)
 #ifdef OBJ_ELF
 /* Map 's' to SHF_ALPHA_GPREL.  */
 
-int
+bfd_vma
 alpha_elf_section_letter (int letter, char **ptr_msg)
 {
   if (letter == 's')
@@ -4793,7 +4793,7 @@ alpha_elf_section_letter (int letter, char **ptr_msg)
 /* Map SHF_ALPHA_GPREL to SEC_SMALL_DATA.  */
 
 flagword
-alpha_elf_section_flags (flagword flags, int attr, int type ATTRIBUTE_UNUSED)
+alpha_elf_section_flags (flagword flags, bfd_vma attr, int type ATTRIBUTE_UNUSED)
 {
   if (attr & SHF_ALPHA_GPREL)
     flags |= SEC_SMALL_DATA;
diff --git a/gas/config/tc-alpha.h b/gas/config/tc-alpha.h
index 3a5dcf8f13b..eb104cc1e6e 100644
--- a/gas/config/tc-alpha.h
+++ b/gas/config/tc-alpha.h
@@ -121,9 +121,9 @@ extern void alpha_frob_file_before_adjust (void);
 
 #ifdef OBJ_ELF
 #define md_elf_section_letter		alpha_elf_section_letter
-extern int alpha_elf_section_letter (int, char **);
+extern bfd_vma alpha_elf_section_letter (int, char **);
 #define md_elf_section_flags		alpha_elf_section_flags
-extern flagword alpha_elf_section_flags (flagword, int, int);
+extern flagword alpha_elf_section_flags (flagword, bfd_vma, int);
 #endif
 
 /* Whether to add support for explicit !relocation_op!sequence_number.  At the
diff --git a/gas/config/tc-frv.h b/gas/config/tc-frv.h
index 732dacd43c4..7fd547654b2 100644
--- a/gas/config/tc-frv.h
+++ b/gas/config/tc-frv.h
@@ -46,6 +46,7 @@ extern void frv_tomcat_workaround (void);
 #define md_cleanup frv_tomcat_workaround
 
 #define md_number_to_chars frv_md_number_to_chars
+extern void frv_md_number_to_chars (char *, valueT, int);
 
 extern long frv_relax_frag (fragS *, long);
 #define md_relax_frag(segment, fragP, stretch) frv_relax_frag(fragP, stretch)
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
index f731abb041a..b5f127fc3aa 100644
--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -10104,7 +10104,7 @@ tc_pe_dwarf2_emit_offset (symbolS *symbol, unsigned int size)
 #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)
 /* For ELF on x86-64, add support for SHF_X86_64_LARGE.  */
 
-int
+bfd_vma
 x86_64_section_letter (int letter, char **ptr_msg)
 {
   if (flag_code == CODE_64BIT)
@@ -10119,7 +10119,7 @@ x86_64_section_letter (int letter, char **ptr_msg)
   return -1;
 }
 
-int
+bfd_vma
 x86_64_section_word (char *str, size_t len)
 {
   if (len == 5 && flag_code == CODE_64BIT && CONST_STRNEQ (str, "large"))
diff --git a/gas/config/tc-i386.h b/gas/config/tc-i386.h
index 1670041a2c5..db580d88ecb 100644
--- a/gas/config/tc-i386.h
+++ b/gas/config/tc-i386.h
@@ -263,8 +263,8 @@ extern void i386_solaris_fix_up_eh_frame (segT);
 #endif
 
 /* Support for SHF_X86_64_LARGE */
-extern int x86_64_section_word (char *, size_t);
-extern int x86_64_section_letter (int, char **);
+extern bfd_vma x86_64_section_word (char *, size_t);
+extern bfd_vma x86_64_section_letter (int, char **);
 #define md_elf_section_letter(LETTER, PTR_MSG)	x86_64_section_letter (LETTER, PTR_MSG)
 #define md_elf_section_word(STR, LEN)		x86_64_section_word (STR, LEN)
 
diff --git a/gas/config/tc-ia64.c b/gas/config/tc-ia64.c
index da56dd3fc33..7c369d405b1 100644
--- a/gas/config/tc-ia64.c
+++ b/gas/config/tc-ia64.c
@@ -1,6 +1,6 @@
 /* tc-ia64.c -- Assembler for the HP/Intel IA-64 architecture.
-   Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
-   Free Software Foundation, Inc.
+   Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
+   2008, 2009   Free Software Foundation, Inc.
    Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
 
    This file is part of GAS, the GNU Assembler.
@@ -50,6 +50,8 @@
 #include "opcode/ia64.h"
 
 #include "elf/ia64.h"
+#include "bfdver.h"
+#include <time.h>
 
 #ifdef HAVE_LIMITS_H
 #include <limits.h>
@@ -834,13 +836,19 @@ set_section (char *name)
 
 /* Map 's' to SHF_IA_64_SHORT.  */
 
-int
+bfd_vma
 ia64_elf_section_letter (int letter, char **ptr_msg)
 {
   if (letter == 's')
     return SHF_IA_64_SHORT;
   else if (letter == 'o')
     return SHF_LINK_ORDER;
+#ifdef TE_VMS
+  else if (letter == 'O')
+    return SHF_IA_64_VMS_OVERLAID;
+  else if (letter == 'g')
+    return SHF_IA_64_VMS_GLOBAL;
+#endif
 
   *ptr_msg = _("Bad .section directive: want a,o,s,w,x,M,S,G,T in string");
   return -1;
@@ -850,7 +858,7 @@ ia64_elf_section_letter (int letter, char **ptr_msg)
 
 flagword
 ia64_elf_section_flags (flagword flags,
-			int attr,
+			bfd_vma attr,
 			int type ATTRIBUTE_UNUSED)
 {
   if (attr & SHF_IA_64_SHORT)
@@ -7297,7 +7305,10 @@ void
 ia64_init (int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
 {
   md.flags = MD_FLAGS_DEFAULT;
+#ifndef TE_VMS
+  /* Don't turn on dependency checking for VMS, doesn't work.  */
   md.detect_dv = 1;
+#endif
   /* FIXME: We should change it to unwind_check_error someday.  */
   md.unwind_check = unwind_check_warning;
   md.hint_b = hint_b_error;
@@ -7333,8 +7344,13 @@ ia64_target_format (void)
       else
 	{
 	  if (md.flags & EF_IA_64_ABI64)
-#ifdef TE_AIX50
+#if defined (TE_AIX50)
 	    return "elf64-ia64-aix-little";
+#elif defined (TE_VMS)
+	  {
+	    md.flags |= EF_IA_64_ARCHVER_1;
+	    return "elf64-ia64-vms";
+	  }
 #else
 	    return "elf64-ia64-little";
 #endif
@@ -11575,9 +11591,17 @@ do_alias (const char *alias, void *value)
   symbolS *sym = symbol_find (h->name);
 
   if (sym == NULL)
-    as_warn_where (h->file, h->line,
-		   _("symbol `%s' aliased to `%s' is not used"),
-		   h->name, alias);
+    {
+#ifdef TE_VMS
+      /* Uses .alias extensively to alias CRTL functions to same with
+	 decc$ prefix. Sometimes function gets optimized away and a
+	 warning results, which should be suppressed.  */
+      if (strncmp (alias, "decc$", 5) != 0)
+#endif
+	as_warn_where (h->file, h->line,
+		       _("symbol `%s' aliased to `%s' is not used"),
+		       h->name, alias);
+    }
     else
       S_SET_NAME (sym, (char *) alias);
 }
@@ -11610,3 +11634,138 @@ ia64_frob_file (void)
 {
   hash_traverse (secalias_hash, do_secalias);
 }
+
+#ifdef TE_VMS
+#define NT_VMS_MHD 1
+#define NT_VMS_LNM 2
+
+/* Integrity VMS 8.x identifies it's ELF modules with a standard ELF
+   .note section.  */
+
+/* Manufacture a VMS-like time string.  */
+static void
+get_vms_time (char *Now)
+{
+  char *pnt;
+  time_t timeb;
+
+  time (&timeb);
+  pnt = ctime (&timeb);
+  pnt[3] = 0;
+  pnt[7] = 0;
+  pnt[10] = 0;
+  pnt[16] = 0;
+  pnt[24] = 0;
+  sprintf (Now, "%2s-%3s-%s %s", pnt + 8, pnt + 4, pnt + 20, pnt + 11);
+}
+
+void
+ia64_vms_note (void)
+{
+  char *p;
+  asection *seg = now_seg;
+  subsegT subseg = now_subseg;
+  Elf_Internal_Note i_note;
+  asection *secp = NULL;
+  char *basec, *bname;
+  char buf [256];
+  symbolS *sym;
+
+  /* Create the .note section.  */
+
+  secp = subseg_new (".note", 0);
+  bfd_set_section_flags (stdoutput,
+			 secp,
+			 SEC_HAS_CONTENTS | SEC_READONLY);
+
+  /* Module header note.  */
+  basec = xstrdup (out_file_name);
+  bname = basename (basec);
+  if ((p = strrchr (bname, '.')))
+    *p = '\0';
+
+  i_note.namesz = 8;
+  i_note.descsz = 40 + strlen (bname);
+  i_note.type = NT_VMS_MHD;
+
+  p = frag_more (sizeof (i_note.namesz));
+  number_to_chars_littleendian (p, i_note.namesz, 8);
+
+  p = frag_more (sizeof (i_note.descsz));
+  number_to_chars_littleendian (p, i_note.descsz, 8);
+
+  p = frag_more (sizeof (i_note.type));
+  number_to_chars_littleendian (p, i_note.type, 8);
+
+  p = frag_more (8);
+  strcpy (p, "IPF/VMS");
+
+  get_vms_time (buf);
+  p = frag_more (17);
+  strcpy (p, buf);
+
+  p = frag_more (17);
+  strcpy (p, "24-FEB-2005 15:00");
+
+  p = frag_more (strlen (bname) + 1);
+  strcpy (p, bname);
+
+  p = frag_more (5);
+  strcpy (p, "V1.0");
+
+  frag_align (3, 0, 0);
+
+  /* Language processor name note.  */
+  sprintf (buf, "GNU assembler version %s (%s) using BFD version %s",
+	   VERSION, TARGET_ALIAS, BFD_VERSION_STRING);
+
+  i_note.namesz = 8;
+  i_note.descsz = 1 + strlen (buf);
+  i_note.type = NT_VMS_LNM;
+
+  p = frag_more (sizeof (i_note.namesz));
+  number_to_chars_littleendian (p, i_note.namesz, 8);
+
+  p = frag_more (sizeof (i_note.descsz));
+  number_to_chars_littleendian (p, i_note.descsz, 8);
+
+  p = frag_more (sizeof (i_note.type));
+  number_to_chars_littleendian (p, i_note.type, 8);
+
+  p = frag_more (8);
+  strcpy (p, "IPF/VMS");
+
+  p = frag_more (strlen (buf) + 1);
+  strcpy (p, buf);
+
+  frag_align (3, 0, 0);
+
+  secp = subseg_new (".vms_display_name_info", 0);
+  bfd_set_section_flags (stdoutput,
+			 secp,
+			 SEC_HAS_CONTENTS | SEC_READONLY);
+
+  /* This symbol should be passed on the command line and be variable
+     according to language.  */
+  sym = symbol_new ("__gnat_vms_display_name@gnat_demangler_rtl",
+		    absolute_section, 0, &zero_address_frag);
+  symbol_table_insert (sym);
+  symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING | BSF_DYNAMIC;
+
+  p = frag_more (4);
+  /* Format 3 of VMS demangler Spec.  */
+  number_to_chars_littleendian (p, 3, 4);
+
+  p = frag_more (4);
+  /* Place holder for symbol table index of above symbol.  */
+  number_to_chars_littleendian (p, -1, 4);
+
+  frag_align (3, 0, 0);
+
+  /* We probably can't restore the current segment, for there likely
+     isn't one yet...  */
+  if (seg && subseg)
+    subseg_set (seg, subseg);
+}
+
+#endif /* TE_VMS */
diff --git a/gas/config/tc-ia64.h b/gas/config/tc-ia64.h
index a5e15d93ad8..49a3d995dc4 100644
--- a/gas/config/tc-ia64.h
+++ b/gas/config/tc-ia64.h
@@ -1,6 +1,6 @@
 /* tc-ia64.h -- Header file for tc-ia64.c.
-   Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008
-   Free Software Foundation, Inc.
+   Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008,
+   2009  Free Software Foundation, Inc.
    Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
 
    This file is part of GAS, the GNU Assembler.
@@ -107,8 +107,8 @@ extern int ia64_force_relocation (struct fix *);
 extern void ia64_cons_fix_new (fragS *, int, int, expressionS *);
 extern void ia64_validate_fix (struct fix *);
 extern char * ia64_canonicalize_symbol_name (char *);
-extern int ia64_elf_section_letter (int, char **);
-extern flagword ia64_elf_section_flags (flagword, int, int);
+extern bfd_vma ia64_elf_section_letter (int, char **);
+extern flagword ia64_elf_section_flags (flagword, bfd_vma, int);
 extern int ia64_elf_section_type (const char *, size_t);
 extern long ia64_pcrel_from_section (struct fix *, segT);
 extern void ia64_md_do_align (int, const char *, int, int);
@@ -156,6 +156,10 @@ extern void ia64_convert_frag (fragS *);
 #define md_after_parse_args()		ia64_after_parse_args ()
 #define TC_DWARF2_EMIT_OFFSET		ia64_dwarf2_emit_offset
 #define tc_check_label(l)		ia64_check_label (l)
+#ifdef TE_VMS
+#define tc_init_after_args() ia64_vms_note ()
+void ia64_vms_note (void);
+#endif
 
 /* Record if an alignment frag should end with a stop bit.  */
 #define TC_FRAG_TYPE			int
diff --git a/gas/config/tc-ip2k.c b/gas/config/tc-ip2k.c
index 440a82dd7b8..bae23c452f4 100644
--- a/gas/config/tc-ip2k.c
+++ b/gas/config/tc-ip2k.c
@@ -411,8 +411,8 @@ ip2k_apply_fix (fixS *fixP, valueT *valueP, segT seg)
 }
 
 int
-ip2k_elf_section_flags (int flags,
-			int attr ATTRIBUTE_UNUSED,
+ip2k_elf_section_flags (flagword flags,
+			bfd_vma attr ATTRIBUTE_UNUSED,
 			int type ATTRIBUTE_UNUSED)
 {
   /* This is used to detect when the section changes to an executable section.
diff --git a/gas/config/tc-ip2k.h b/gas/config/tc-ip2k.h
index 63a126d6de7..4d62744b8ce 100644
--- a/gas/config/tc-ip2k.h
+++ b/gas/config/tc-ip2k.h
@@ -59,7 +59,7 @@ extern int ip2k_force_relocation (struct fix *);
 #define tc_gen_reloc gas_cgen_tc_gen_reloc
 
 #define md_elf_section_flags ip2k_elf_section_flags
-extern int ip2k_elf_section_flags (int, int, int);
+extern int ip2k_elf_section_flags (flagword, bfd_vma, int);
 
 #define md_operand(x) gas_cgen_md_operand (x)
 extern void gas_cgen_md_operand (expressionS *);
diff --git a/gas/config/tc-mep.c b/gas/config/tc-mep.c
index 26080192c99..5646b3f13f4 100644
--- a/gas/config/tc-mep.c
+++ b/gas/config/tc-mep.c
@@ -1716,7 +1716,7 @@ mep_fix_adjustable (fixS *fixP)
   return 1;
 }
 
-int
+bfd_vma
 mep_elf_section_letter (int letter, char **ptrmsg)
 {
   if (letter == 'v')
@@ -1727,7 +1727,7 @@ mep_elf_section_letter (int letter, char **ptrmsg)
 }
 
 flagword
-mep_elf_section_flags (flagword flags, int attr, int type ATTRIBUTE_UNUSED)
+mep_elf_section_flags (flagword flags, bfd_vma attr, int type ATTRIBUTE_UNUSED)
 {
   if (attr & SHF_MEP_VLIW)
     flags |= SEC_MEP_VLIW;
diff --git a/gas/config/tc-mep.h b/gas/config/tc-mep.h
index 510cf7ad73b..de68d717d16 100644
--- a/gas/config/tc-mep.h
+++ b/gas/config/tc-mep.h
@@ -103,9 +103,9 @@ extern int mep_unrecognized_line (int);
 extern void mep_cleanup (void);
 
 #define md_elf_section_letter		mep_elf_section_letter
-extern int mep_elf_section_letter (int, char **);
+extern bfd_vma mep_elf_section_letter (int, char **);
 #define md_elf_section_flags		mep_elf_section_flags
-extern flagword mep_elf_section_flags  (flagword, int, int);
+extern flagword mep_elf_section_flags  (flagword, bfd_vma, int);
 
 #define ELF_TC_SPECIAL_SECTIONS \
   { VTEXT_SECTION_NAME, SHT_PROGBITS, SHF_ALLOC|SHF_EXECINSTR|SHF_MEP_VLIW },
diff --git a/gas/config/tc-ppc.c b/gas/config/tc-ppc.c
index 66a21155c94..034eb8f3dee 100644
--- a/gas/config/tc-ppc.c
+++ b/gas/config/tc-ppc.c
@@ -2952,7 +2952,7 @@ ppc_macro (char *str, const struct powerpc_macro *macro)
 #ifdef OBJ_ELF
 /* For ELF, add support for SHF_EXCLUDE and SHT_ORDERED.  */
 
-int
+bfd_vma
 ppc_section_letter (int letter, char **ptr_msg)
 {
   if (letter == 'e')
@@ -2962,7 +2962,7 @@ ppc_section_letter (int letter, char **ptr_msg)
   return -1;
 }
 
-int
+bfd_vma
 ppc_section_word (char *str, size_t len)
 {
   if (len == 7 && strncmp (str, "exclude", 7) == 0)
@@ -2981,7 +2981,7 @@ ppc_section_type (char *str, size_t len)
 }
 
 int
-ppc_section_flags (int flags, int attr, int type)
+ppc_section_flags (flagword flags, bfd_vma attr, int type)
 {
   if (type == SHT_ORDERED)
     flags |= SEC_ALLOC | SEC_LOAD | SEC_SORT_ENTRIES;
diff --git a/gas/config/tc-ppc.h b/gas/config/tc-ppc.h
index 2702988ede8..f1c02fd5482 100644
--- a/gas/config/tc-ppc.h
+++ b/gas/config/tc-ppc.h
@@ -207,10 +207,10 @@ extern const char       ppc_symbol_chars[];
 #ifdef OBJ_ELF
 
 /* Support for SHF_EXCLUDE and SHT_ORDERED */
-extern int ppc_section_letter (int, char **);
+extern bfd_vma ppc_section_letter (int, char **);
 extern int ppc_section_type (char *, size_t);
-extern int ppc_section_word (char *, size_t);
-extern int ppc_section_flags (int, int, int);
+extern bfd_vma ppc_section_word (char *, size_t);
+extern int ppc_section_flags (flagword, bfd_vma, int);
 
 #define md_elf_section_letter(LETTER, PTR_MSG)	ppc_section_letter (LETTER, PTR_MSG)
 #define md_elf_section_type(STR, LEN)		ppc_section_type (STR, LEN)
diff --git a/gas/config/te-vms.h b/gas/config/te-vms.h
new file mode 100644
index 00000000000..7c352ac1d9f
--- /dev/null
+++ b/gas/config/te-vms.h
@@ -0,0 +1,42 @@
+#define TE_VMS
+#include "obj-format.h"
+
+extern int vms_file_stats_name (const char *, long long *, long *, char *, int *);
+
+/* VMS debugger expects a separator.  */
+#define DWARF2_DIR_SHOULD_END_WITH_SEPARATOR 1
+
+/* VMS debugger needs the file timestamp.  */
+#define DWARF2_FILE_TIME_NAME(FILENAME,DIRNAME)                       \
+ ({                                                                   \
+   long long cdt;                                                     \
+   char *filename = (char *) alloca (strlen (FILENAME) + strlen (DIRNAME) + 1);\
+   strcpy (filename, DIRNAME);                                        \
+   strcat (filename, FILENAME);                                       \
+   ((vms_file_stats_name (filename, &cdt, 0, 0, 0) == 0) ? cdt : 0);  \
+ })
+
+/* VMS debugger needs the file size.  */
+#define DWARF2_FILE_SIZE_NAME(FILENAME,DIRNAME)                       \
+ ({                                                                   \
+   long siz;                                                          \
+   char *filename = (char *) alloca (strlen (FILENAME) + strlen (DIRNAME) + 1);\
+   strcpy (filename, DIRNAME);                                        \
+   strcat (filename, FILENAME);                                       \
+   ((vms_file_stats_name (filename, 0, &siz, 0, 0) == 0) ? siz : 0);  \
+ })
+
+/* VMS debugger needs the filename with version appended.  */
+/* Longest filename on VMS is 255 characters. Largest version is 32768.  */
+#define DWARF2_FILE_NAME(FILENAME,DIRNAME)                            \
+ ({                                                                   \
+   int ver;                                                           \
+   char buff [255 + 7];                                               \
+   char *filename = (char *) alloca (strlen (FILENAME) + strlen (DIRNAME) + 1);\
+   strcpy (filename, DIRNAME);                                        \
+   strcat (filename, FILENAME);                                       \
+   vms_file_stats_name (filename, 0, 0, 0, &ver);                     \
+   snprintf (buff, 255 + 7, "%s;%d", FILENAME, ver);                  \
+   buff;                                                              \
+ })
+
diff --git a/gas/configure.tgt b/gas/configure.tgt
index 0272b4e4852..f3def28f19c 100644
--- a/gas/configure.tgt
+++ b/gas/configure.tgt
@@ -236,6 +236,7 @@ case ${generic_target} in
   i960-*-elf*)				fmt=elf ;;
 
   ia64-*-elf*)				fmt=elf ;;
+  ia64-*-*vms*)				fmt=elf em=vms ;;
   ia64-*-aix*)				fmt=elf em=ia64aix ;;
   ia64-*-linux-*)			fmt=elf em=linux ;;
   ia64-*-hpux*)				fmt=elf em=hpux ;;
diff --git a/gas/dwarf2dbg.c b/gas/dwarf2dbg.c
index b7857f2caa4..2bcba9b41ea 100644
--- a/gas/dwarf2dbg.c
+++ b/gas/dwarf2dbg.c
@@ -76,6 +76,18 @@
 # define DWARF2_ADDR_SIZE(bfd) (bfd_arch_bits_per_address (bfd) / 8)
 #endif
 
+#ifndef DWARF2_FILE_NAME
+#define DWARF2_FILE_NAME(FILENAME, DIRNAME) FILENAME
+#endif
+
+#ifndef DWARF2_FILE_TIME_NAME
+#define DWARF2_FILE_TIME_NAME(FILENAME,DIRNAME) 0
+#endif
+
+#ifndef DWARF2_FILE_SIZE_NAME
+#define DWARF2_FILE_SIZE_NAME(FILENAME,DIRNAME) 0
+#endif
+
 #include "subsegs.h"
 
 #include "elf/dwarf2.h"
@@ -434,7 +446,9 @@ get_filenum (const char *filename, unsigned int num)
   dir = 0;
   if (dir_len)
     {
+#ifndef DWARF2_DIR_SHOULD_END_WITH_SEPARATOR
       --dir_len;
+#endif
       for (dir = 1; dir < dirs_in_use; ++dir)
 	if (strncmp (filename, dirs[dir], dir_len) == 0
 	    && dirs[dir][dir_len] == '\0')
@@ -1281,6 +1295,8 @@ out_file_list (void)
 
   for (i = 1; i < files_in_use; ++i)
     {
+      const char *fullfilename;
+
       if (files[i].filename == NULL)
 	{
 	  as_bad (_("unassigned file number %ld"), (long) i);
@@ -1289,13 +1305,19 @@ out_file_list (void)
 	  continue;
 	}
 
-      size = strlen (files[i].filename) + 1;
+      fullfilename = DWARF2_FILE_NAME (files[i].filename,
+				       files[i].dir ? dirs [files [i].dir] : "");
+      size = strlen (fullfilename) + 1;
       cp = frag_more (size);
-      memcpy (cp, files[i].filename, size);
+      memcpy (cp, fullfilename, size);
 
       out_uleb128 (files[i].dir);	/* directory number */
-      out_uleb128 (0);			/* last modification timestamp */
-      out_uleb128 (0);			/* filesize */
+      /* Output the last modification timestamp.  */
+      out_uleb128 (DWARF2_FILE_TIME_NAME (files[i].filename,
+				          files[i].dir ? dirs [files [i].dir] : ""));
+      /* Output the filesize.  */
+      out_uleb128 (DWARF2_FILE_SIZE_NAME (files[i].filename,
+				          files[i].dir ? dirs [files [i].dir] : ""));
     }
 
   /* Terminate filename list.  */
diff --git a/gas/dwarf2dbg.h b/gas/dwarf2dbg.h
index 4dfc6247ec1..ee943ce3ea2 100644
--- a/gas/dwarf2dbg.h
+++ b/gas/dwarf2dbg.h
@@ -86,7 +86,7 @@ bfd_boolean dwarf2_loc_directive_seen;
 /* True when we're supposed to set the basic block mark whenever a label
    is seen.  Unless the target is doing Something Weird, just call 
    dwarf2_emit_label.  */
-bfd_boolean dwarf2_loc_mark_labels;
+extern bfd_boolean dwarf2_loc_mark_labels;
 
 extern void dwarf2_finish (void);
 
diff --git a/gas/tc.h b/gas/tc.h
index 5386513553b..8715db3dc08 100644
--- a/gas/tc.h
+++ b/gas/tc.h
@@ -31,7 +31,9 @@ int    md_parse_option (int, char *);
 void   md_show_usage (FILE *);
 void   md_assemble (char *);
 void   md_begin (void);
+#ifndef md_number_to_chars
 void   md_number_to_chars (char *, valueT, int);
+#endif
 void   md_apply_fix (fixS *, valueT *, segT);
 
 #ifndef WORKING_DOT_WORD