PERFORCE change 80722 for review

[Peter Wemm]

http://perforce.freebsd.org/chv.cgi?CH=80722

Change 80722 by peter at peter_melody on 2005/07/22 00:19:09

	enable 32 bit gdb to work in a 64 bit universe

Affected files ...

.. //depot/projects/hammer/contrib/gdb/gdb/solib-svr4.c#3 edit
.. //depot/projects/hammer/sys/conf/files#119 edit

Differences ...

==== //depot/projects/hammer/contrib/gdb/gdb/solib-svr4.c#3 (text+ko) ====

@@ -1027,7 +1027,14 @@
          be trivial on GNU/Linux).  Therefore, we have to try an alternate
          mechanism to find the dynamic linker's base address.  */
 
-      tmp_fd  = solib_open (buf, &tmp_pathname);
+#if defined(__i386__) || defined(COMPAT_32BIT)
+      if ((strcmp(buf, "/usr/libexec/ld-elf.so.1") == 0 ||
+	   strcmp(buf, "/libexec/ld-elf.so.1") == 0) &&
+	  access("/libexec/ld-elf32.so.1", 0) == 0)
+	tmp_fd  = solib_open ("/libexec/ld-elf32.so.1", &tmp_pathname);
+      else
+#endif
+	tmp_fd  = solib_open (buf, &tmp_pathname);
       if (tmp_fd >= 0)
 	tmp_bfd = bfd_fdopenr (tmp_pathname, gnutarget, tmp_fd);
 

==== //depot/projects/hammer/sys/conf/files#119 (text+ko) ====

@@ -1298,6 +1298,7 @@
 kern/vfs_subr.c			standard
 kern/vfs_syscalls.c		standard
 kern/vfs_vnops.c		standard
+kern/ylock.c			optional ylock
 #
 # These files in libkern/ are those needed by all architectures.  Some
 # of the files in libkern/ are only needed on some architectures, e.g.,