Replace bcopy, bzero, bcmp by memcpy, memmove, memset, memcmp

[bpt/emacs.git] / src / unexmacosx.c

diff --git a/src/unexmacosx.c b/src/unexmacosx.c
index 5f2a45d..1acc009 100644 (file)
--- a/src/unexmacosx.c
+++ b/src/unexmacosx.c
@@ -1,13 +1,13 @@
 /* Dump Emacs in Mach-O format for use on Mac OS X.
    Copyright (C) 2001, 2002, 2003, 2004, 2005,
-                 2006, 2007, 2008 Free Software Foundation, Inc.
+                 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
-GNU Emacs is free software; you can redistribute it and/or modify
+GNU Emacs 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 3, or (at your option)
-any later version.
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
 
 GNU Emacs is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -15,9 +15,7 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
-along with GNU Emacs; see the file COPYING.  If not, write to
-the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA.  */
+along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 /* Contributed by Andrew Choi (akochoi@mac.com).  */
 
@@ -220,7 +218,7 @@ unexec_write_zero (off_t dest, size_t count)
   char buf[UNEXEC_COPY_BUFSZ];
   ssize_t bytes;
 
-  bzero (buf, UNEXEC_COPY_BUFSZ);
+  memset (buf, 0, UNEXEC_COPY_BUFSZ);
   if (lseek (outfd, dest, SEEK_SET) != dest)
     return 0;
 
@@ -583,6 +581,14 @@ print_load_command_name (int lc)
     case LC_UUID:
       printf ("LC_UUID          ");
       break;
+#endif
+#ifdef LC_DYLD_INFO
+    case LC_DYLD_INFO:
+      printf ("LC_DYLD_INFO     ");
+      break;
+    case LC_DYLD_INFO_ONLY:
+      printf ("LC_DYLD_INFO_ONLY");
+      break;
 #endif
     default:
       printf ("unknown          ");
@@ -821,6 +827,7 @@ copy_data_segment (struct load_command *lc)
               || strncmp (sectp->sectname, "__const", 16) == 0
               || strncmp (sectp->sectname, "__cfstring", 16) == 0
               || strncmp (sectp->sectname, "__gcc_except_tab", 16) == 0
+              || strncmp (sectp->sectname, "__program_vars", 16) == 0
               || strncmp (sectp->sectname, "__objc_", 7) == 0)
        {
          if (!unexec_copy (sectp->offset, old_file_offset, sectp->size))
@@ -1088,6 +1095,36 @@ copy_twolevelhints (struct load_command *lc, long delta)
   curr_header_offset += lc->cmdsize;
 }
 
+#ifdef LC_DYLD_INFO
+/* Copy a LC_DYLD_INFO(_ONLY) load command from the input file to the output
+   file, adjusting the file offset fields.  */
+static void
+copy_dyld_info (struct load_command *lc, long delta)
+{
+  struct dyld_info_command *dip = (struct dyld_info_command *) lc;
+
+  if (dip->rebase_off > 0)
+    dip->rebase_off += delta;
+  if (dip->bind_off > 0)
+    dip->bind_off += delta;
+  if (dip->weak_bind_off > 0)
+    dip->weak_bind_off += delta;
+  if (dip->lazy_bind_off > 0)
+    dip->lazy_bind_off += delta;
+  if (dip->export_off > 0)
+    dip->export_off += delta;
+
+  printf ("Writing ");
+  print_load_command_name (lc->cmd);
+  printf (" command\n");
+
+  if (!unexec_write (curr_header_offset, lc, lc->cmdsize))
+    unexec_error ("cannot write dyld info command to header");
+
+  curr_header_offset += lc->cmdsize;
+}
+#endif
+
 /* Copy other kinds of load commands from the input file to the output
    file, ones that do not require adjustments of file offsets.  */
 static void
@@ -1154,6 +1191,12 @@ dump_it ()
       case LC_TWOLEVEL_HINTS:
        copy_twolevelhints (lca[i], linkedit_delta);
        break;
+#ifdef LC_DYLD_INFO
+      case LC_DYLD_INFO:
+      case LC_DYLD_INFO_ONLY:
+       copy_dyld_info (lca[i], linkedit_delta);
+       break;
+#endif
       default:
        copy_other (lca[i]);
        break;
@@ -1320,6 +1363,8 @@ unexec_realloc (void *old_ptr, size_t new_size)
 void
 unexec_free (void *ptr)
 {
+  if (ptr == NULL)
+    return;
   if (in_dumped_exec)
     {
       if (!ptr_in_unexec_regions (ptr))