/* Definitions for dealing with stack frames, for GDB, the GNU debugger.
- Copyright 1986, 1989, 1991, 1992, 1999, 2000 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.
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. */
+ special, the address here is the sp for the previous frame, not
+ the 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 */
initialized by INIT_EXTRA_FRAME_INFO */
struct frame_extra_info *extra_info;
- /* Pointers to the next and previous frame_info's in the frame cache. */
- struct frame_info *next, *prev;
+ /* If dwarf2 unwind frame informations is used, this structure holds all
+ related unwind data. */
+ struct unwind_contect *context;
+
+ /* Pointers to the next (down, inner) and previous (up, outer)
+ frame_info's in the frame cache. */
+ struct frame_info *next; /* down, inner */
+ struct frame_info *prev; /* up, outer */
};
/* Values for the source flag to be used in print_frame_info_base(). */
LOC_AND_ADDRESS
};
-/* Allocate additional space for appendices to a struct frame_info. */
+/* 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
targets. If FRAME_CHAIN_VALID returns zero it means that the given frame
is the outermost one and has no caller.
- If a particular target needs a different definition, then it can override
- 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 dummy frames and one of the
generic functions. */
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 PARAMS ((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 PARAMS ((CORE_ADDR sp));
-
-#if !defined (FRAME_CHAIN_VALID)
-#if !defined (FRAME_CHAIN_VALID_ALTERNATE)
-#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) func_frame_chain_valid (chain,thisframe)
-#endif /* FRAME_CHAIN_VALID_ALTERNATE */
-#endif /* FRAME_CHAIN_VALID */
+extern void generic_save_dummy_frame_tos (CORE_ADDR sp);
/* 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 void set_current_frame (struct frame_info *);
+
+extern struct frame_info *get_prev_frame (struct frame_info *);
-extern struct frame_info *get_prev_frame PARAMS ((struct frame_info *));
+extern struct frame_info *get_current_frame (void);
-extern struct frame_info *get_current_frame PARAMS ((void));
+extern struct frame_info *get_next_frame (struct frame_info *);
-extern struct frame_info *get_next_frame PARAMS ((struct frame_info *));
+extern struct block *get_frame_block (struct frame_info *);
-extern struct block *get_frame_block PARAMS ((struct frame_info *));
+extern struct block *get_current_block (void);
-extern struct block *get_current_block PARAMS ((void));
+extern struct block *get_selected_block (void);
-extern struct block *get_selected_block PARAMS ((void));
+extern struct symbol *get_frame_function (struct frame_info *);
-extern struct symbol *get_frame_function PARAMS ((struct frame_info *));
+extern CORE_ADDR get_frame_pc (struct frame_info *);
-extern CORE_ADDR get_frame_pc PARAMS ((struct frame_info *));
+extern CORE_ADDR get_pc_function_start (CORE_ADDR);
-extern CORE_ADDR get_pc_function_start PARAMS ((CORE_ADDR));
+extern struct block *block_for_pc (CORE_ADDR);
-extern struct block *block_for_pc PARAMS ((CORE_ADDR));
+extern struct block *block_for_pc_sect (CORE_ADDR, asection *);
-extern struct block *block_for_pc_sect PARAMS ((CORE_ADDR, asection *));
+extern int frameless_look_for_prologue (struct frame_info *);
-extern int frameless_look_for_prologue PARAMS ((struct frame_info *));
+extern void print_frame_args (struct symbol *, struct frame_info *,
+ int, struct ui_file *);
-extern void print_frame_args PARAMS ((struct symbol *, struct frame_info *,
- int, struct ui_file *));
+extern struct frame_info *find_relative_frame (struct frame_info *, int *);
-extern struct frame_info *find_relative_frame PARAMS ((struct frame_info *, int *));
+extern void show_and_print_stack_frame (struct frame_info *fi, int level,
+ int source);
-extern void show_and_print_stack_frame PARAMS ((struct frame_info * fi, int level, int source));
+extern void print_stack_frame (struct frame_info *, int, int);
-extern void print_stack_frame PARAMS ((struct frame_info *, int, int));
+extern void print_only_stack_frame (struct frame_info *, int, int);
-extern void print_only_stack_frame PARAMS ((struct frame_info *, int, int));
+extern void show_stack_frame (struct frame_info *);
-extern void show_stack_frame PARAMS ((struct frame_info *));
+extern void select_frame (struct frame_info *, int);
-extern void select_frame PARAMS ((struct frame_info *, int));
+extern void record_selected_frame (CORE_ADDR *, int *);
-extern void record_selected_frame PARAMS ((CORE_ADDR *, int *));
+extern void select_and_print_frame (struct frame_info *, int);
-extern void select_and_print_frame PARAMS ((struct frame_info *, int));
+extern void print_frame_info (struct frame_info *, int, int, int);
-extern void print_frame_info PARAMS ((struct frame_info *, int, int, int));
+extern void show_frame_info (struct frame_info *, int, int, int);
-extern void show_frame_info PARAMS ((struct frame_info *, int, int, int));
+extern CORE_ADDR find_saved_register (struct frame_info *, int);
-extern CORE_ADDR find_saved_register PARAMS ((struct frame_info *, int));
+extern struct frame_info *block_innermost_frame (struct block *);
-extern struct frame_info *block_innermost_frame PARAMS ((struct block *));
+extern struct frame_info *find_frame_addr_in_frame_chain (CORE_ADDR);
-extern struct frame_info *find_frame_addr_in_frame_chain PARAMS ((CORE_ADDR));
+extern CORE_ADDR sigtramp_saved_pc (struct frame_info *);
-extern CORE_ADDR sigtramp_saved_pc PARAMS ((struct frame_info *));
+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 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 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);
-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 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_fix_call_dummy PARAMS ((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 generic_get_saved_register PARAMS ((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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