/* Frame unwinder for frames with DWARF Call Frame Information.
- Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009, 2010
+ Free Software Foundation, Inc.
Contributed by Mark Kettenis.
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,
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. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef DWARF2_FRAME_H
#define DWARF2_FRAME_H 1
DWARF2_FRAME_REG_SAVED_EXP,
DWARF2_FRAME_REG_SAME_VALUE,
+ /* These are defined in Dwarf3. */
+ DWARF2_FRAME_REG_SAVED_VAL_OFFSET,
+ DWARF2_FRAME_REG_SAVED_VAL_EXP,
+
/* These aren't defined by the DWARF2 CFI specification, but are
used internally by GDB. */
+ DWARF2_FRAME_REG_FN, /* Call a registered function. */
DWARF2_FRAME_REG_RA, /* Return Address. */
DWARF2_FRAME_REG_RA_OFFSET, /* Return Address with offset. */
DWARF2_FRAME_REG_CFA, /* Call Frame Address. */
LONGEST offset;
ULONGEST reg;
unsigned char *exp;
+ struct value *(*fn) (struct frame_info *this_frame, void **this_cache,
+ int regnum);
} loc;
ULONGEST exp_len;
enum dwarf2_frame_reg_rule how;
extern void dwarf2_frame_set_init_reg (struct gdbarch *gdbarch,
void (*init_reg) (struct gdbarch *, int,
- struct dwarf2_frame_state_reg *));
+ struct dwarf2_frame_state_reg *,
+ struct frame_info *));
/* Set the architecture-specific signal trampoline recognition
function for GDBARCH to SIGNAL_FRAME_P. */
int (*signal_frame_p) (struct gdbarch *,
struct frame_info *));
-/* Return the frame unwind methods for the function that contains PC,
- or NULL if it can't be handled by DWARF CFI frame unwinder. */
+/* Set the architecture-specific adjustment of .eh_frame and .debug_frame
+ register numbers. */
+
+extern void
+ dwarf2_frame_set_adjust_regnum (struct gdbarch *gdbarch,
+ int (*adjust_regnum) (struct gdbarch *,
+ int, int));
+
+/* Append the DWARF-2 frame unwinders to GDBARCH's list. */
-extern const struct frame_unwind *
- dwarf2_frame_sniffer (struct frame_info *next_frame);
+void dwarf2_append_unwinders (struct gdbarch *gdbarch);
/* Return the frame base methods for the function that contains PC, or
NULL if it can't be handled by the DWARF CFI frame unwinder. */
extern const struct frame_base *
- dwarf2_frame_base_sniffer (struct frame_info *next_frame);
+ dwarf2_frame_base_sniffer (struct frame_info *this_frame);
/* Register the DWARF CFI for OBJFILE. */
void dwarf2_frame_build_info (struct objfile *objfile);
+/* Compute the DWARF CFA for a frame. */
+
+CORE_ADDR dwarf2_frame_cfa (struct frame_info *this_frame);
+
#endif /* dwarf2-frame.h */