1 files changed, 88 insertions, 0 deletions
diff --git a/contrib/gdb/gdb/trad-frame.h b/contrib/gdb/gdb/trad-frame.h
new file mode 100644
index 0000000..55720c7
--- /dev/null
+++ b/contrib/gdb/gdb/trad-frame.h
@@ -0,0 +1,88 @@
+/* Traditional frame unwind support, for GDB the GNU Debugger.
+
+   Copyright 2003 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   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 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., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef TRAD_FRAME_H
+#define TRAD_FRAME_H
+
+struct frame_info;
+
+/* A traditional saved regs table, indexed by REGNUM, encoding where
+   the value of REGNUM for the previous frame can be found in this
+   frame.
+
+   The table is initialized with an identity encoding (ADDR == -1,
+   REALREG == REGNUM) indicating that the value of REGNUM in the
+   previous frame can be found in register REGNUM (== REALREG) in this
+   frame.
+
+   The initial encoding can then be changed:
+
+   Modify ADDR (REALREG >= 0, ADDR != -1) to indicate that the value
+   of register REGNUM in the previous frame can be found in memory at
+   ADDR in this frame (addr_p, !realreg_p, !value_p).
+
+   Modify REALREG (REALREG >= 0, ADDR == -1) to indicate that the
+   value of register REGNUM in the previous frame is found in register
+   REALREG in this frame (!addr_p, realreg_p, !value_p).
+
+   Call trad_frame_set_value (REALREG == -1) to indicate that the
+   value of register REGNUM in the previous frame is found in ADDR
+   (!addr_p, !realreg_p, value_p).
+
+   Call trad_frame_set_unknown (REALREG == -2) to indicate that the
+   register's value is not known.  */
+
+struct trad_frame_saved_reg
+{
+  LONGEST addr; /* A CORE_ADDR fits in a longest.  */
+  int realreg;
+};
+
+/* Encode REGNUM value in the trad-frame.  */
+void trad_frame_set_value (struct trad_frame_saved_reg this_saved_regs[],
+			   int regnum, LONGEST val);
+
+/* Mark REGNUM as unknown.  */
+void trad_frame_set_unknown (struct trad_frame_saved_reg this_saved_regs[],
+			     int regnum);
+
+/* Convenience functions, return non-zero if the register has been
+   encoded as specified.  */
+int trad_frame_value_p (struct trad_frame_saved_reg this_saved_regs[],
+			int regnum);
+int trad_frame_addr_p (struct trad_frame_saved_reg this_saved_regs[],
+		       int regnum);
+int trad_frame_realreg_p (struct trad_frame_saved_reg this_saved_regs[],
+			  int regnum);
+
+
+/* Return a freshly allocated (and initialized) trad_frame array.  */
+struct trad_frame_saved_reg *trad_frame_alloc_saved_regs (struct frame_info *next_frame);
+
+/* Given the trad_frame info, return the location of the specified
+   register.  */
+void trad_frame_prev_register (struct frame_info *next_frame,
+			       struct trad_frame_saved_reg this_saved_regs[],
+			       int regnum, int *optimizedp,
+			       enum lval_type *lvalp, CORE_ADDR *addrp,
+			       int *realregp, void *bufferp);
+
+#endif