* 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.

1 files changed, 167 insertions, 8 deletions

diff --git a/gas/config/tc-ia64.c b/gas/config/tc-ia64.c
index da56dd3..7c369d4 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 */