/* Definitions for dealing with stack frames, for GDB, the GNU debugger.
- Copyright 1986, 1989, 1991, 1992, 1999 Free Software Foundation, Inc.
+ Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1996, 1997,
+ 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
-This file is part of GDB.
+ 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 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.
+ 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. */
+ 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. */
#if !defined (FRAME_H)
#define FRAME_H 1
/* XXXX - deprecated */
struct frame_saved_regs
{
+ /* For each register R (except the SP), regs[R] is the address at
+ which it was saved on entry to the frame, or zero if it was not
+ saved on entry to this frame. This includes special registers
+ such as pc and fp saved in special ways in the stack frame.
- /* For each register, address of where it was saved on entry to
- the frame, or zero if it was not saved on entry to this frame.
- This includes special registers such as pc and fp saved in
- special ways in the stack frame. The SP_REGNUM is even more
- special, the address here is the sp for the next frame, not the
- address where the sp was saved. */
+ regs[SP_REGNUM] is different. It holds the actual SP, not the
+ address at which it was saved. */
CORE_ADDR regs[NUM_REGS];
};
Set by machine-dependent code. On some machines, if
the machine-dependent code fails to check for this, the backtrace
will look relatively normal. For example, on the i386
- #3 0x158728 in sighold ()
+ #3 0x158728 in sighold ()
On other machines (e.g. rs6000), the machine-dependent code better
set this to prevent us from trying to print it like a normal frame. */
int signal_handler_caller;
address where the sp was saved. */
/* Allocated by frame_saved_regs_zalloc () which is called /
initialized by FRAME_INIT_SAVED_REGS(). */
- CORE_ADDR *saved_regs; /*NUM_REGS*/
+ CORE_ADDR *saved_regs; /*NUM_REGS + NUM_PSEUDO_REGS*/
#ifdef EXTRA_FRAME_INFO
/* XXXX - deprecated */
/* Anything extra for this structure that may have been defined
in the machine dependent files. */
- EXTRA_FRAME_INFO
+ EXTRA_FRAME_INFO
#endif
/* Anything extra for this structure that may have been defined
struct frame_extra_info *extra_info;
/* Pointers to the next and previous frame_info's in the frame cache. */
- struct frame_info *next, *prev;
+ struct frame_info *next, *prev;
};
-/* Allocate additional space for appendices to a struct frame_info. */
+/* Values for the source flag to be used in print_frame_info_base(). */
+enum print_what
+ {
+ /* Print only the source line, like in stepi. */
+ SRC_LINE = -1,
+ /* Print only the location, i.e. level, address (sometimes)
+ function, args, file, line, line num. */
+ LOCATION,
+ /* Print both of the above. */
+ SRC_AND_LOC,
+ /* Print location only, but always include the address. */
+ LOC_AND_ADDRESS
+ };
+
+/* Allocate additional space for appendices to a struct frame_info.
+ NOTE: Much of GDB's code works on the assumption that the allocated
+ saved_regs[] array is the size specified below. If you try to make
+ that array smaller, GDB will happily walk off its end. */
-#ifndef SIZEOF_FRAME_SAVED_REGS
-#define SIZEOF_FRAME_SAVED_REGS (sizeof (CORE_ADDR) * (NUM_REGS))
+#ifdef SIZEOF_FRAME_SAVED_REGS
+#error "SIZEOF_FRAME_SAVED_REGS can not be re-defined"
#endif
-extern void *frame_obstack_alloc PARAMS ((unsigned long size));
-extern void frame_saved_regs_zalloc PARAMS ((struct frame_info *));
+#define SIZEOF_FRAME_SAVED_REGS \
+ (sizeof (CORE_ADDR) * (NUM_REGS+NUM_PSEUDO_REGS))
+
+extern void *frame_obstack_alloc (unsigned long size);
+extern void frame_saved_regs_zalloc (struct frame_info *);
-/* Return the frame address from FR. Except in the machine-dependent
+/* Return the frame address from FI. Except in the machine-dependent
*FRAME* macros, a frame address has no defined meaning other than
as a magic cookie which identifies a frame over calls to the
inferior. The only known exception is inferior.h
the definition here by providing one in the tm file.
XXXX - both default and alternate frame_chain_valid functions are
- deprecated. New code should use generic dummy frames. */
+ deprecated. New code should use dummy frames and one of the
+ generic functions. */
-extern int default_frame_chain_valid PARAMS ((CORE_ADDR, struct frame_info *));
-extern int alternate_frame_chain_valid PARAMS ((CORE_ADDR, struct frame_info *));
-extern int nonnull_frame_chain_valid PARAMS ((CORE_ADDR, struct frame_info *));
-extern int generic_frame_chain_valid PARAMS ((CORE_ADDR, struct frame_info *));
+extern int file_frame_chain_valid (CORE_ADDR, struct frame_info *);
+extern int func_frame_chain_valid (CORE_ADDR, struct frame_info *);
+extern int nonnull_frame_chain_valid (CORE_ADDR, struct frame_info *);
+extern int generic_file_frame_chain_valid (CORE_ADDR, struct frame_info *);
+extern int generic_func_frame_chain_valid (CORE_ADDR, struct frame_info *);
+extern void generic_save_dummy_frame_tos (CORE_ADDR sp);
#if !defined (FRAME_CHAIN_VALID)
#if !defined (FRAME_CHAIN_VALID_ALTERNATE)
-#define FRAME_CHAIN_VALID(chain, thisframe) default_frame_chain_valid (chain, thisframe)
+#define FRAME_CHAIN_VALID(chain, thisframe) file_frame_chain_valid (chain, thisframe)
#else
/* Use the alternate method of avoiding running up off the end of the frame
chain or following frames back into the startup code. See the comments
in objfiles.h. */
-#define FRAME_CHAIN_VALID(chain, thisframe) alternate_frame_chain_valid (chain,thisframe)
-#endif /* FRAME_CHAIN_VALID_ALTERNATE */
-#endif /* FRAME_CHAIN_VALID */
+#define FRAME_CHAIN_VALID(chain, thisframe) func_frame_chain_valid (chain,thisframe)
+#endif /* FRAME_CHAIN_VALID_ALTERNATE */
+#endif /* FRAME_CHAIN_VALID */
/* The stack frame that the user has specified for commands to act on.
Note that one cannot assume this is the address of valid data. */
extern int selected_frame_level;
-extern struct frame_info *create_new_frame PARAMS ((CORE_ADDR, CORE_ADDR));
+extern struct frame_info *create_new_frame (CORE_ADDR, CORE_ADDR);
-extern void flush_cached_frames PARAMS ((void));
+extern void flush_cached_frames (void);
-extern void reinit_frame_cache PARAMS ((void));
+extern void reinit_frame_cache (void);
#ifdef FRAME_FIND_SAVED_REGS
/* XXX - deprecated */
#define FRAME_INIT_SAVED_REGS(FI) get_frame_saved_regs (FI, NULL)
-extern void get_frame_saved_regs PARAMS ((struct frame_info *,
- struct frame_saved_regs *));
+extern void get_frame_saved_regs (struct frame_info *,
+ struct frame_saved_regs *);
#endif
-
-extern void set_current_frame PARAMS ((struct frame_info *));
-extern struct frame_info *get_prev_frame PARAMS ((struct frame_info *));
+extern void set_current_frame (struct frame_info *);
-extern struct frame_info *get_current_frame PARAMS ((void));
+extern struct frame_info *get_prev_frame (struct frame_info *);
-extern struct frame_info *get_next_frame PARAMS ((struct frame_info *));
+extern struct frame_info *get_current_frame (void);
-extern struct block *get_frame_block PARAMS ((struct frame_info *));
+extern struct frame_info *get_next_frame (struct frame_info *);
-extern struct block *get_current_block PARAMS ((void));
+extern struct block *get_frame_block (struct frame_info *);
-extern struct block *get_selected_block PARAMS ((void));
+extern struct block *get_current_block (void);
-extern struct symbol *get_frame_function PARAMS ((struct frame_info *));
+extern struct block *get_selected_block (void);
-extern CORE_ADDR get_frame_pc PARAMS ((struct frame_info *));
+extern struct symbol *get_frame_function (struct frame_info *);
-extern CORE_ADDR get_pc_function_start PARAMS ((CORE_ADDR));
+extern CORE_ADDR get_frame_pc (struct frame_info *);
-extern struct block * block_for_pc PARAMS ((CORE_ADDR));
+extern CORE_ADDR get_pc_function_start (CORE_ADDR);
-extern struct block * block_for_pc_sect PARAMS ((CORE_ADDR, asection *));
+extern struct block *block_for_pc (CORE_ADDR);
-extern int frameless_look_for_prologue PARAMS ((struct frame_info *));
+extern struct block *block_for_pc_sect (CORE_ADDR, asection *);
-extern void print_frame_args PARAMS ((struct symbol *, struct frame_info *,
- int, GDB_FILE *));
+extern int frameless_look_for_prologue (struct frame_info *);
-extern struct frame_info *find_relative_frame PARAMS ((struct frame_info *, int*));
+extern void print_frame_args (struct symbol *, struct frame_info *,
+ int, struct ui_file *);
-extern void show_and_print_stack_frame PARAMS ((struct frame_info *fi, int level, int source));
+extern struct frame_info *find_relative_frame (struct frame_info *, int *);
-extern void print_stack_frame PARAMS ((struct frame_info *, int, int));
+extern void show_and_print_stack_frame (struct frame_info *fi, int level,
+ int source);
-extern void print_only_stack_frame PARAMS ((struct frame_info *, int, int));
+extern void print_stack_frame (struct frame_info *, int, int);
-extern void show_stack_frame PARAMS ((struct frame_info *));
+extern void print_only_stack_frame (struct frame_info *, int, int);
-extern void select_frame PARAMS ((struct frame_info *, int));
+extern void show_stack_frame (struct frame_info *);
-extern void record_selected_frame PARAMS ((CORE_ADDR *, int *));
+extern void select_frame (struct frame_info *, int);
-extern void select_and_print_frame PARAMS ((struct frame_info *, int));
+extern void record_selected_frame (CORE_ADDR *, int *);
-extern void print_frame_info PARAMS ((struct frame_info *, int, int, int));
+extern void select_and_print_frame (struct frame_info *, int);
-extern void show_frame_info PARAMS ((struct frame_info *, int, int, int));
+extern void print_frame_info (struct frame_info *, int, int, int);
-extern CORE_ADDR find_saved_register PARAMS ((struct frame_info *, int));
+extern void show_frame_info (struct frame_info *, int, int, int);
-extern struct frame_info *block_innermost_frame PARAMS ((struct block *));
+extern CORE_ADDR find_saved_register (struct frame_info *, int);
-extern struct frame_info *find_frame_addr_in_frame_chain PARAMS ((CORE_ADDR));
+extern struct frame_info *block_innermost_frame (struct block *);
-extern CORE_ADDR sigtramp_saved_pc PARAMS ((struct frame_info *));
+extern struct frame_info *find_frame_addr_in_frame_chain (CORE_ADDR);
-extern CORE_ADDR generic_read_register_dummy PARAMS ((CORE_ADDR pc,
- CORE_ADDR fp,
- int));
-extern void generic_push_dummy_frame PARAMS ((void));
-extern void generic_pop_current_frame PARAMS ((void (*) (struct frame_info *)));
-extern void generic_pop_dummy_frame PARAMS ((void));
+extern CORE_ADDR sigtramp_saved_pc (struct frame_info *);
-extern int generic_pc_in_call_dummy PARAMS ((CORE_ADDR pc,
- CORE_ADDR sp,
- CORE_ADDR fp));
-extern char * generic_find_dummy_frame PARAMS ((CORE_ADDR pc,
- CORE_ADDR fp));
+extern CORE_ADDR generic_read_register_dummy (CORE_ADDR pc,
+ CORE_ADDR fp, int);
+extern void generic_push_dummy_frame (void);
+extern void generic_pop_current_frame (void (*)(struct frame_info *));
+extern void generic_pop_dummy_frame (void);
-extern void generic_fix_call_dummy PARAMS ((char *dummy, CORE_ADDR pc, CORE_ADDR fun,
- int nargs, struct value **args,
- struct type *type, int gcc_p));
+extern int generic_pc_in_call_dummy (CORE_ADDR pc,
+ CORE_ADDR sp, CORE_ADDR fp);
+extern char *generic_find_dummy_frame (CORE_ADDR pc, CORE_ADDR fp);
-#ifdef __STDC__
-/* Some native compilers, even ones that are supposed to be ANSI and for which __STDC__
- is true, complain about forward decls of enums. */
-enum lval_type;
-extern void generic_get_saved_register PARAMS ((char *, int *, CORE_ADDR *, struct frame_info *, int, enum lval_type *));
-#endif
+extern void generic_fix_call_dummy (char *dummy, CORE_ADDR pc, CORE_ADDR fun,
+ int nargs, struct value **args,
+ struct type *type, int gcc_p);
+
+extern void generic_get_saved_register (char *, int *, CORE_ADDR *,
+ struct frame_info *, int,
+ enum lval_type *);
+
+extern void get_saved_register (char *raw_buffer, int *optimized,
+ CORE_ADDR * addrp,
+ struct frame_info *frame,
+ int regnum, enum lval_type *lval);
#endif /* !defined (FRAME_H) */
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