gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / binutils / emul_aix.c

diff --git a/binutils/emul_aix.c b/binutils/emul_aix.c
index aacecec01b660ec6d5595ee955f03163f2499716..c54e1083e5d5e91a6e74dcb5b6e4fdde45e502ef 100644 (file)
--- a/binutils/emul_aix.c
+++ b/binutils/emul_aix.c
@@ -1,12 +1,12 @@
 /* Binutils emulation layer.
-   Copyright 2002, 2003, 2006, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    Written by Tom Rix, Red Hat Inc.
 
    This file is part of GNU Binutils.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -16,7 +16,8 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
 
 #include "binemul.h"
 #include "bfdlink.h"
@@ -26,6 +27,7 @@
 #include "libxcoff.h"
 
 /* Default to <bigaf>.  */
+/* FIXME: write only variable.  */
 static bfd_boolean big_archive = TRUE;
 
 /* Whether to include 32 bit objects.  */
@@ -34,15 +36,6 @@ static bfd_boolean X32 = TRUE;
 /* Whether to include 64 bit objects.  */
 static bfd_boolean X64 = FALSE;
 
-static void ar_emul_aix_usage (FILE *);
-static bfd_boolean ar_emul_aix_append (bfd **, char *, bfd_boolean);
-static bfd_boolean ar_emul_aix5_append (bfd **, char *, bfd_boolean);
-static bfd_boolean ar_emul_aix_replace (bfd **, char *, bfd_boolean);
-static bfd_boolean ar_emul_aix5_replace (bfd **, char *, bfd_boolean);
-static bfd_boolean ar_emul_aix_parse_arg (char *);
-static bfd_boolean ar_emul_aix_internal
-  (bfd **, char *, bfd_boolean, const char *, bfd_boolean);
-
 static void
 ar_emul_aix_usage (FILE *fp)
 {
@@ -55,72 +48,54 @@ ar_emul_aix_usage (FILE *fp)
 }
 
 static bfd_boolean
-ar_emul_aix_internal (bfd **after_bfd, char *file_name, bfd_boolean verbose,
-                     const char * target_name, bfd_boolean is_append)
+check_aix (bfd *try_bfd)
 {
-  bfd *temp;
-  bfd *try_bfd;
-
-  temp = *after_bfd;
-
-  /* Try 64 bit.  */
-  try_bfd = bfd_openr (file_name, target_name);
-
-  /* Failed or the object is possibly 32 bit.  */
-  if (NULL == try_bfd || ! bfd_check_format (try_bfd, bfd_object))
-    try_bfd = bfd_openr (file_name, "aixcoff-rs6000");
-
-  AR_EMUL_ELEMENT_CHECK (try_bfd, file_name);
-
-  if (bfd_xcoff_is_xcoff64 (try_bfd) && (! X64))
-    return FALSE;
-
-  if (bfd_xcoff_is_xcoff32 (try_bfd)
-      && bfd_check_format (try_bfd, bfd_object) && (! X32))
-    return FALSE;
+  extern const bfd_target rs6000_xcoff_vec;
+  extern const bfd_target rs6000_xcoff64_vec;
+  extern const bfd_target rs6000_xcoff64_aix_vec;
 
-  if (is_append)
+  if (bfd_check_format (try_bfd, bfd_object))
     {
-      AR_EMUL_APPEND_PRINT_VERBOSE (verbose, file_name);
-    }
-  else
-    {
-      AR_EMUL_REPLACE_PRINT_VERBOSE (verbose, file_name);
-    }
-
-  *after_bfd = try_bfd;
-  (*after_bfd)->archive_next = temp;
+      if (!X32 && try_bfd->xvec == &rs6000_xcoff_vec)
+       return FALSE;
 
+      if (!X64 && (try_bfd->xvec == &rs6000_xcoff64_vec
+                  || try_bfd->xvec == &rs6000_xcoff64_aix_vec))
+       return FALSE;
+    }
   return TRUE;
 }
 
-
 static bfd_boolean
-ar_emul_aix_append (bfd **after_bfd, char *file_name, bfd_boolean verbose)
+ar_emul_aix_append (bfd **after_bfd, char *file_name, const char *target,
+                   bfd_boolean verbose, bfd_boolean flatten)
 {
-  return ar_emul_aix_internal (after_bfd, file_name, verbose,
-                              "aixcoff64-rs6000", TRUE);
-}
+  bfd *new_bfd;
 
-static bfd_boolean
-ar_emul_aix5_append (bfd **after_bfd, char *file_name, bfd_boolean verbose)
-{
-  return ar_emul_aix_internal (after_bfd, file_name, verbose,
-                              "aix5coff64-rs6000", TRUE);
-}
+  new_bfd = bfd_openr (file_name, target);
+  AR_EMUL_ELEMENT_CHECK (new_bfd, file_name);
 
-static bfd_boolean
-ar_emul_aix_replace (bfd **after_bfd, char *file_name, bfd_boolean verbose)
-{
-  return ar_emul_aix_internal (after_bfd, file_name, verbose,
-                              "aixcoff64-rs6000", FALSE);
+  return do_ar_emul_append (after_bfd, new_bfd, verbose, flatten, check_aix);
 }
 
 static bfd_boolean
-ar_emul_aix5_replace (bfd **after_bfd, char *file_name, bfd_boolean verbose)
+ar_emul_aix_replace (bfd **after_bfd, char *file_name, const char *target,
+                    bfd_boolean verbose)
 {
-  return ar_emul_aix_internal (after_bfd, file_name, verbose,
-                              "aix5coff64-rs6000", FALSE);
+  bfd *new_bfd;
+
+  new_bfd = bfd_openr (file_name, target);
+  AR_EMUL_ELEMENT_CHECK (new_bfd, file_name);
+
+  if (!check_aix (new_bfd))
+    return FALSE;
+
+  AR_EMUL_REPLACE_PRINT_VERBOSE (verbose, file_name);
+
+  new_bfd->archive_next = *after_bfd;
+  *after_bfd = new_bfd;
+
+  return TRUE;
 }
 
 static bfd_boolean
@@ -163,11 +138,3 @@ struct bin_emulation_xfer_struct bin_aix_emulation =
   ar_emul_aix_replace,
   ar_emul_aix_parse_arg,
 };
-
-struct bin_emulation_xfer_struct bin_aix5_emulation =
-{
-  ar_emul_aix_usage,
-  ar_emul_aix5_append,
-  ar_emul_aix5_replace,
-  ar_emul_aix_parse_arg,
-};