Add XCOFF64 support.

	bfd:
	* Makefile.am (coff64-rs6000.lo): New rule.
	* Makefile.in: Regenerate.
	* coff-rs6000.c (xcoff_mkobject, xcoff_copy_private_bfd_data,
	xcoff_is_local_label_name, xcoff_rtype2howto,
	xcoff_reloc_type_lookup, xcoff_slurp_armap, xcoff_archive_p,
	xcoff_read_ar_hdr, xcoff_openr_next_archived_file, xcoff_write_armap,
	xcoff_write_archive_contents): No longer static, and prefix with _bfd_.
	(NO_COFF_SYMBOLS): Define.
	(xcoff64_swap_sym_in, xcoff64_swap_sym_out, xcoff64_swap_aux_in,
	xcoff64_swap_aux_out): New functions; handle xcoff symbol tables
	internally.
	(MINUS_ONE): New macro.
	(xcoff_howto_tabl, xcoff_reloc_type_lookup): Add 64 bit POS
	relocation.
	(coff_SWAP_sym_in, coff_SWAP_sym_out, coff_SWAP_aux_in,
	coff_SWAP_aux_out): Map to the new functions.
	* coff64-rs6000.c: New file.
	* libcoff.h (bfd_coff_backend_data): Add new fields
	_bfd_coff_force_symnames_in_strings and
	_bfd_coff_debug_string_prefix_length.
	(bfd_coff_force_symnames_in_strings,
	bfd_coff_debug_string_prefix_length): New macros for above fields.
	* coffcode.h (coff_set_arch_mach_hook): Handle XCOFF64 magic.
	Set machine to 620 for XCOFF64.  Use bfd_coff_swap_sym_in instead
	of using coff_swap_sym_in directly.
	(FORCE_SYMNAMES_IN_STRINGS): New macro, defined for XCOFF64.
	(coff_set_flags) Set magic for XCOFF64.
	(coff_compute_section_file_positions): Add symbol name length to
	string section length if bfd_coff_debug_string_prefix_length is
	true.
	(coff_write_object_contents): Don't do reloc overflow for XCOFF64.
	(coff_slurp_line_table): Use bfd_coff_swap_lineno_in instead of
	using coff_swap_lineno_in directly.
	(bfd_coff_backend_data): Add _bfd_coff_force_symnames_in_strings
	and _bfd_coff_debug_string_prefix_length fields.
	* coffgen.c (coff_fix_symbol_name, coff_write_symbols): Force
	symbol names into strings table when
	bfd_coff_force_symnames_in_strings is true.
	* coffswap.h (MAX_SCNHDR_NRELOC, MAX_SCNHDR_NLNNO, GET_RELOC_VADDR,
	SET_RELOC_VADDR): New macros.
	(coff_swap_reloc_in, coff_swap_reloc_out): Use above macros.
	(coff_swap_aux_in, coff_swap_aux_out): Remove RS6000COFF_C
	code.
	(coff_swap_aouthdr_in, coff_swap_aouthdr_out): Handle XCOFF64
	changes within RS6000COFF_C specific code.
	(coff_swap_scnhdr_out): Use PUT_SCNHDR_NLNNO, PUT_SCNHDR_NRELOC,
	MAX_SCNHDR_NRELOC, and MAX_SCNHDR_NLNNO.
	* reloc.c (bfd_perform_relocation, bfd_install_relocation):
	Extend existing hack on target name.
	* xcofflink.c (XCOFF_XVECP): Extend existing hack on
	target name.
	* coff-tic54x.c (ticof): Keep up to date with new fields
	in bfd_coff_backend_data.
	* config.bfd: Add bfd_powerpc_64_arch to targ_arch and define
	targ_selvecs to include rs6000coff64_vec for rs6000.
	* configure.in: Add rs6000coff64_vec case.
 	* cpu-powerpc.c: New bfd_arch_info_type.

	gas:
	* as.c (parse_args): Allow md_parse_option to override -a listing
	option.
	* config/obj-coff.c (add_lineno): Change type of offset parameter
	from "int" to "bfd_vma."
	* config/tc-ppc.c (md_pseudo_table): Add "llong" and "machine."
	(ppc_mach, ppc_subseg_align, ppc_target_format): New.
	(ppc_change_csect): Align correctly for XCOFF64.
	(ppc_machine): New function, which discards "ppc_machine" line.
	(ppc_tc): Cons for 8 when code is 64 bit.
	(md_apply_fix3): Don't check operand->insert.  Handle 64 bit
	relocations.
	(md_parse_option): Handle -a64 and -a32.
	(ppc_xcoff64): New.
	* config/tc-ppc.h (TARGET_MACH): Define.
	(TARGET_FORMAT): Move to function.
	(SUB_SEGMENT_ALIGN): Use ppc_subseg_align.

	include:
	* include/coff/rs6k64.h: New file.

	opcodes:
	* configure.in: Add bfd_powerpc_64_arch.
	* disassemble.c (disassembler): Use print_insn_big_powerpc for
	64 bit code.

5 files changed, 94 insertions, 24 deletions

diff --git a/gas/ChangeLog b/gas/ChangeLog
index a8acd9a..7d6e2b9 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,22 @@
+Mon Apr 24 15:21:11 2000  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* as.c (parse_args): Allow md_parse_option to override -a listing
+	option.
+	* config/obj-coff.c (add_lineno): Change type of offset parameter
+	from "int" to "bfd_vma."
+	* config/tc-ppc.c (md_pseudo_table): Add "llong" and "machine."
+	(ppc_mach, ppc_subseg_align, ppc_target_format): New.
+	(ppc_change_csect): Align correctly for XCOFF64.	
+	(ppc_machine): New function, which discards "ppc_machine" line.
+	(ppc_tc): Cons for 8 when code is 64 bit.
+	(md_apply_fix3): Don't check operand->insert.  Handle 64 bit
+	relocations.
+	(md_parse_option): Handle -a64 and -a32.
+	(ppc_xcoff64): New.
+	* config/tc-ppc.h (TARGET_MACH): Define.
+	(TARGET_FORMAT): Move to function.
+	(SUB_SEGMENT_ALIGN): Use ppc_subseg_align.
+
 2000-04-26  David O'Brien  <obrien@FreeBSD.org>
 
 	* doc/as.1: Fix unbalanced brackets.
diff --git a/gas/as.c b/gas/as.c
index 9bac61d..e34807b 100644
--- a/gas/as.c
+++ b/gas/as.c
@@ -672,6 +672,9 @@ the GNU General Public License.  This program has absolutely no warranty.\n"));
 	case 'a':
 	  if (optarg)
 	    {
+	      if (md_parse_option (optc, optarg) != 0)
+		break;
+
 	      while (*optarg)
 		{
 		  switch (*optarg)
diff --git a/gas/config/obj-coff.c b/gas/config/obj-coff.c
index d750868..11648b9 100644
--- a/gas/config/obj-coff.c
+++ b/gas/config/obj-coff.c
@@ -429,7 +429,7 @@ int coff_n_line_nos;
 static void
 add_lineno (frag, offset, num)
      fragS *frag;
-     int offset;
+     addressT offset;
      int num;
 {
   struct line_no *new_line =
diff --git a/gas/config/tc-ppc.c b/gas/config/tc-ppc.c
index 365a535..cac5d6a 100644
--- a/gas/config/tc-ppc.c
+++ b/gas/config/tc-ppc.c
@@ -86,6 +86,7 @@ static void ppc_stabx PARAMS ((int));
 static void ppc_rename PARAMS ((int));
 static void ppc_toc PARAMS ((int));
 static void ppc_xcoff_cons PARAMS ((int));
+static void ppc_machine PARAMS ((int));
 static void ppc_vbyte PARAMS ((int));
 #endif
 
@@ -182,9 +183,11 @@ const pseudo_typeS md_pseudo_table[] =
   { "text",	ppc_section,	't' },
   { "toc",	ppc_toc,	0 },
   { "long",	ppc_xcoff_cons,	2 },
+  { "llong",	ppc_xcoff_cons,	3 },
   { "word",	ppc_xcoff_cons,	1 },
   { "short",	ppc_xcoff_cons,	1 },
   { "vbyte",    ppc_vbyte,	0 },
+  { "machine",  ppc_machine,    0 },
 #endif
 
 #ifdef OBJ_ELF
@@ -591,6 +594,9 @@ static int ppc_cpu = 0;
    PPC_OPCODE_32 or PPC_OPCODE_64.  */
 static unsigned long ppc_size = PPC_OPCODE_32;
 
+/* Whether to target xcoff64 */
+static int ppc_xcoff64 = 0;
+
 /* Opcode hash table.  */
 static struct hash_control *ppc_hash;
 
@@ -740,6 +746,16 @@ md_parse_option (c, arg)
       break;
 #endif
 
+      /* a64 and a32 determine whether to use XCOFF64 or XCOFF32.  */
+    case 'a':
+      if (strcmp (arg, "64") == 0)
+	ppc_xcoff64 = 1;
+      else if (strcmp (arg, "32") == 0)
+	ppc_xcoff64 = 0;
+      else
+	return 0;
+      break;
+	
     case 'm':
       /* -mpwrx and -mpwr2 mean to assemble for the IBM POWER/2
          (RIOS2).  */
@@ -948,6 +964,37 @@ ppc_arch ()
   return bfd_arch_unknown;
 }
 
+unsigned long
+ppc_mach ()
+{
+  return (ppc_size == PPC_OPCODE_64) ? 620 : 0;
+}
+
+int
+ppc_subseg_align()
+{
+  return (ppc_xcoff64) ? 3 : 2;
+}
+
+extern char* 
+ppc_target_format()
+{
+#ifdef OBJ_COFF
+#ifdef TE_PE
+  return (target_big_endian ? "pe-powerpc" : "pe-powerpcle");
+#elif TE_POWERMAC
+#else
+  return (ppc_xcoff64 ? "aixcoff64-rs6000" : "aixcoff-rs6000");
+#endif
+#ifdef TE_POWERMAC
+  return "xcoff-powermac";
+#endif
+#endif
+#ifdef OBJ_ELF
+  return (target_big_endian ? "elf32-powerpc" : "elf32-powerpcle");
+#endif
+}
+
 /* This function is called when the assembler starts up.  It is called
    after the options have been parsed and the output file has been
    opened.  */
@@ -2478,7 +2525,7 @@ ppc_change_csect (sym)
       symbol_set_frag (sym, frag_now);
       S_SET_VALUE (sym, (valueT) frag_now_fix ());
 
-      symbol_get_tc (sym)->align = 2;
+      symbol_get_tc (sym)->align = (ppc_xcoff64) ? 3 : 2;
       symbol_get_tc (sym)->output = 1;
       symbol_get_tc (sym)->within = sym;
 	  
@@ -3150,6 +3197,14 @@ ppc_xcoff_cons (log_size)
 }
 
 static void
+ppc_machine(dummy) 
+    int dummy;
+{
+    discard_rest_of_line();
+   /* What does aix use this for?  */
+}
+
+static void
 ppc_vbyte (dummy)
      int dummy;
 {
@@ -3269,7 +3324,7 @@ ppc_tc (ignore)
   else
     {
       ++input_line_pointer;
-      cons (4);
+      cons ((ppc_size == PPC_OPCODE_64) ? 8 : 4);
     }
 }
 
@@ -4802,7 +4857,6 @@ md_apply_fix3 (fixp, valuep, seg)
       else if ((operand->flags & PPC_OPERAND_PARENS) != 0
 	       && operand->bits == 16
 	       && operand->shift == 0
-	       && operand->insert == NULL
 	       && fixp->fx_addsy != NULL
 	       && ppc_is_toc_sym (fixp->fx_addsy))
 	{
@@ -4849,6 +4903,14 @@ md_apply_fix3 (fixp, valuep, seg)
 			      value, 4);
 	  break;
 
+	case BFD_RELOC_64:
+	  if (fixp->fx_pcrel)
+	    fixp->fx_r_type = BFD_RELOC_64_PCREL;
+					/* fall through */
+	case BFD_RELOC_64_PCREL:
+	  md_number_to_chars (fixp->fx_frag->fr_literal + fixp->fx_where,
+			      value, 8);
+	  break;  
 	case BFD_RELOC_LO16:
 	case BFD_RELOC_16:
 	case BFD_RELOC_GPREL16:
diff --git a/gas/config/tc-ppc.h b/gas/config/tc-ppc.h
index 783a215..8409c79 100644
--- a/gas/config/tc-ppc.h
+++ b/gas/config/tc-ppc.h
@@ -47,31 +47,16 @@ struct fix;
 
 /* The target BFD architecture.  */
 #define TARGET_ARCH (ppc_arch ())
+#define TARGET_MACH (ppc_mach ())
 extern enum bfd_architecture ppc_arch PARAMS ((void));
+extern unsigned long ppc_mach PARAMS ((void));
 
 /* Whether or not the target is big endian */
 extern int target_big_endian;
 
 /* The target BFD format.  */
-#ifdef OBJ_COFF
-#ifdef TE_PE
-#define TARGET_FORMAT (target_big_endian ? "pe-powerpc" : "pe-powerpcle")
-#else
-#define TARGET_FORMAT "aixcoff-rs6000"
-#endif
-#endif
-
-/* PowerMac has a BFD slightly different from AIX's.  */
-#ifdef TE_POWERMAC
-#ifdef TARGET_FORMAT
-#undef TARGET_FORMAT
-#endif
-#define TARGET_FORMAT "xcoff-powermac"
-#endif
-
-#ifdef OBJ_ELF
-#define TARGET_FORMAT (target_big_endian ? "elf32-powerpc" : "elf32-powerpcle")
-#endif
+#define TARGET_FORMAT (ppc_target_format ())
+extern char* ppc_target_format ();
 
 /* Permit temporary numeric labels.  */
 #define LOCAL_LABELS_FB 1
@@ -186,7 +171,8 @@ extern int ppc_frob_symbol PARAMS ((symbolS *));
 extern void ppc_adjust_symtab PARAMS ((void));
 
 /* Niclas Andersson <nican@ida.liu.se> says this is needed.  */
-#define SUB_SEGMENT_ALIGN(SEG) 2
+extern int ppc_subseg_align PARAMS ((void));
+#define SUB_SEGMENT_ALIGN(SEG) ppc_subseg_align()
 
 /* We also need to copy, in particular, the class of the symbol,
    over what obj-coff would otherwise have copied.  */