-/* Dwarf2 Expression Evaluator
- Copyright 2001, 2002, 2003 Free Software Foundation, Inc.
- Contributed by Daniel Berlin (dan@dberlin.org)
+/* DWARF 2 Expression Evaluator.
+
+ Copyright (C) 2001, 2002, 2003, 2005, 2007, 2008, 2009
+ Free Software Foundation, Inc.
+
+ Contributed by Daniel Berlin <dan@dberlin.org>.
+
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
+ 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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#if !defined (DWARF2EXPR_H)
#define DWARF2EXPR_H
number of elements allocated to the stack. */
int stack_len, stack_allocated;
+ /* Target architecture to use for address operations. */
+ struct gdbarch *gdbarch;
+
+ /* Target address size in bytes. */
+ int addr_size;
+
/* An opaque argument provided by the caller, which will be passed
to all of the callback functions. */
void *baton;
CORE_ADDR (*read_reg) (void *baton, int regnum);
/* Read LENGTH bytes at ADDR into BUF. */
- void (*read_mem) (void *baton, char *buf, CORE_ADDR addr,
- size_t length);
+ void (*read_mem) (void *baton, gdb_byte *buf, CORE_ADDR addr, size_t length);
/* Return the location expression for the frame base attribute, in
START and LENGTH. The result must be live until the current
expression evaluation is complete. */
- void (*get_frame_base) (void *baton, unsigned char **start,
- size_t *length);
+ void (*get_frame_base) (void *baton, gdb_byte **start, size_t *length);
/* Return the thread-local storage address for
DW_OP_GNU_push_tls_address. */
will be on the expression stack. */
int in_reg;
+ /* Initialization status of variable: Non-zero if variable has been
+ initialized; zero otherwise. */
+ int initialized;
+
/* An array of pieces. PIECES points to its first element;
NUM_PIECES is its length.
struct dwarf_expr_context *new_dwarf_expr_context (void);
void free_dwarf_expr_context (struct dwarf_expr_context *ctx);
+struct cleanup *
+ make_cleanup_free_dwarf_expr_context (struct dwarf_expr_context *ctx);
void dwarf_expr_push (struct dwarf_expr_context *ctx, CORE_ADDR value);
void dwarf_expr_pop (struct dwarf_expr_context *ctx);
CORE_ADDR dwarf_expr_fetch (struct dwarf_expr_context *ctx, int n);
-unsigned char *read_uleb128 (unsigned char *buf, unsigned char *buf_end,
- ULONGEST * r);
-unsigned char *read_sleb128 (unsigned char *buf, unsigned char *buf_end,
- LONGEST * r);
-CORE_ADDR dwarf2_read_address (unsigned char *buf, unsigned char *buf_end,
- int *bytes_read);
+gdb_byte *read_uleb128 (gdb_byte *buf, gdb_byte *buf_end, ULONGEST * r);
+gdb_byte *read_sleb128 (gdb_byte *buf, gdb_byte *buf_end, LONGEST * r);
+CORE_ADDR dwarf2_read_address (struct gdbarch *gdbarch, gdb_byte *buf,
+ gdb_byte *buf_end, int addr_size);
-#endif
+#endif /* dwarf2expr.h */