* configure.ac (DEBUGDIR_RELOCATABLE): Define for debugdir inside

[deliverable/binutils-gdb.git] / gdb / i386-cygwin-tdep.c

diff --git a/gdb/i386-cygwin-tdep.c b/gdb/i386-cygwin-tdep.c
index 5911ec9b91a9393c44a788de08be33ee19771f75..a444e5a7257df1b847920c464fdb91e3462173d9 100644 (file)
--- a/gdb/i386-cygwin-tdep.c
+++ b/gdb/i386-cygwin-tdep.c
@@ -1,55 +1,35 @@
 /* Target-dependent code for Cygwin running on i386's, for GDB.
-   Copyright 2003 Free Software Foundation, Inc.
 
-This file is part of GDB.
+   Copyright (C) 2003, 2007 Free Software Foundation, Inc.
 
-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
-(at your option) any later version.
+   This file is part of GDB.
 
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+   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
+   (at your option) any later version.
 
-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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   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 this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
 
 #include "defs.h"
+#include "osabi.h"
 
 #include "gdb_string.h"
-#include "gdbcore.h"
+
 #include "i386-tdep.h"
-#include "osabi.h"
-#include "frame.h"
-#include "dummy-frame.h"
 
-static int
-i386_cygwin_frame_chain_valid (CORE_ADDR chain, struct frame_info *thisframe)
-{
-  /* In the context where this is used, we get the saved PC before we've
-     successfully unwound far enough to be sure what we've got (it may
-     be a signal handler caller).  If we're dealing with a signal
-     handler caller, this will return valid, which is fine.  If not,
-     it'll make the correct test.  */
-  return ((get_frame_type (thisframe) == SIGTRAMP_FRAME) || chain != 0);
-}
-/* Return the chain-pointer for FRAME.  In the case of the i386, the
-   frame's nominal address is the address of a 4-byte word containing
-   the calling frame's address.  */
 static CORE_ADDR
-i386_cygwin_frame_chain (struct frame_info *frame)
+i386_cygwin_skip_trampoline_code (CORE_ADDR pc)
 {
-  if (pc_in_dummy_frame (get_frame_pc (frame)))
-    return get_frame_base (frame);
-
-  if (get_frame_type (frame) == SIGTRAMP_FRAME
-      || i386_frameless_signal_p (frame))
-    return get_frame_base (frame);
-
-  return read_memory_unsigned_integer (get_frame_base (frame), 4);
+  return i386_pe_skip_trampoline_code (pc, NULL);
 }
 
 static void
@@ -57,9 +37,9 @@ i386_cygwin_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
 {
   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
 
+  set_gdbarch_skip_trampoline_code (gdbarch, i386_cygwin_skip_trampoline_code);
+
   tdep->struct_return = reg_struct_return;
-  set_gdbarch_deprecated_frame_chain (gdbarch, i386_cygwin_frame_chain);
-  set_gdbarch_deprecated_frame_chain_valid (gdbarch, i386_cygwin_frame_chain_valid);
 }
 
 static enum gdb_osabi
@@ -75,6 +55,9 @@ i386_cygwin_osabi_sniffer (bfd * abfd)
   return GDB_OSABI_UNKNOWN;
 }
 
+/* Provide a prototype to silence -Wmissing-prototypes.  */
+void _initialize_i386_cygwin_tdep (void);
+
 void
 _initialize_i386_cygwin_tdep (void)
 {