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Diffstat (limited to 'gdb/frame.h')
| -rw-r--r-- | gdb/frame.h | 233 |
1 files changed, 0 insertions, 233 deletions
diff --git a/gdb/frame.h b/gdb/frame.h deleted file mode 100644 index fe542e1..0000000 --- a/gdb/frame.h +++ /dev/null @@ -1,233 +0,0 @@ -/* Definitions for dealing with stack frames, for GDB, the GNU debugger. - Copyright 1986, 1989, 1991, 1992 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. */ - -#if !defined (FRAME_H) -#define FRAME_H 1 - -/* Describe the saved registers of a frame. */ - -struct frame_saved_regs - { - - /* 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. */ - - CORE_ADDR regs[NUM_REGS]; - }; - -/* We keep a cache of stack frames, each of which is a "struct - frame_info". The innermost one gets allocated (in - wait_for_inferior) each time the inferior stops; current_frame - points to it. Additional frames get allocated (in - get_prev_frame_info) as needed, and are chained through the next - and prev fields. Any time that the frame cache becomes invalid - (most notably when we execute something, but also if we change how - we interpret the frames (e.g. "set heuristic-fence-post" in - mips-tdep.c, or anything which reads new symbols)), we should call - reinit_frame_cache. */ - -struct frame_info - { - /* Nominal address of the frame described. See comments at FRAME_FP - about what this means outside the *FRAME* macros; in the *FRAME* - macros, it can mean whatever makes most sense for this machine. */ - CORE_ADDR frame; - - /* Address at which execution is occurring in this frame. - For the innermost frame, it's the current pc. - For other frames, it is a pc saved in the next frame. */ - CORE_ADDR pc; - - /* Nonzero if this is a frame associated with calling a signal handler. - - 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 () - 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; - - /* Anything extra for this structure that may have been defined - in the machine dependent files. */ -#ifdef EXTRA_FRAME_INFO - EXTRA_FRAME_INFO -#endif - - /* We should probably also store a "struct frame_saved_regs" here. - This is already done by some machines (e.g. config/m88k/tm-m88k.h) - but there is no reason it couldn't be general. */ - - /* Pointers to the next and previous frame_info's in the frame cache. */ - struct frame_info *next, *prev; - }; - -/* Dummy frame. This saves the processor state just prior to setting up the - inferior function call. On most targets, the registers are saved on the - target stack, but that really slows down function calls. */ - -struct dummy_frame -{ - struct dummy_frame *next; - - CORE_ADDR pc; - CORE_ADDR fp; - CORE_ADDR sp; - char regs[REGISTER_BYTES]; -}; - -/* Return the frame address from FR. 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 - (PC_IN_CALL_DUMMY) [ON_STACK]; see comments there. You cannot - assume that a frame address contains enough information to - reconstruct the frame; if you want more than just to identify the - frame (e.g. be able to fetch variables relative to that frame), - then save the whole struct frame_info (and the next struct - frame_info, since the latter is used for fetching variables on some - machines). */ - -#define FRAME_FP(fi) ((fi)->frame) - -/* Define a default FRAME_CHAIN_VALID, in the form that is suitable for most - 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 generic dummy frames. */ - -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 *)); - -#if !defined (FRAME_CHAIN_VALID) -#if !defined (FRAME_CHAIN_VALID_ALTERNATE) -#define FRAME_CHAIN_VALID(chain, thisframe) default_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 */ - -/* 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 struct frame_info *selected_frame; - -/* Level of the selected frame: - 0 for innermost, 1 for its caller, ... - or -1 for frame specified by address with no defined level. */ - -extern int selected_frame_level; - -extern struct frame_info *get_prev_frame_info PARAMS ((struct frame_info *)); - -extern struct frame_info *create_new_frame PARAMS ((CORE_ADDR, CORE_ADDR)); - -extern void flush_cached_frames PARAMS ((void)); - -extern void reinit_frame_cache PARAMS ((void)); - -extern void get_frame_saved_regs PARAMS ((struct frame_info *, - struct frame_saved_regs *)); - -extern void set_current_frame PARAMS ((struct frame_info *)); - -extern struct frame_info *get_prev_frame PARAMS ((struct frame_info *)); - -extern struct frame_info *get_current_frame PARAMS ((void)); - -extern struct frame_info *get_next_frame PARAMS ((struct frame_info *)); - -extern struct block *get_frame_block PARAMS ((struct frame_info *)); - -extern struct block *get_current_block PARAMS ((void)); - -extern struct block *get_selected_block PARAMS ((void)); - -extern struct symbol *get_frame_function PARAMS ((struct frame_info *)); - -extern CORE_ADDR get_frame_pc PARAMS ((struct frame_info *)); - -extern CORE_ADDR get_pc_function_start PARAMS ((CORE_ADDR)); - -extern struct block * block_for_pc PARAMS ((CORE_ADDR)); - -extern struct block * block_for_pc_sect PARAMS ((CORE_ADDR, asection *)); - -extern int frameless_look_for_prologue PARAMS ((struct frame_info *)); - -extern void print_frame_args PARAMS ((struct symbol *, struct frame_info *, - int, GDB_FILE *)); - -extern struct frame_info *find_relative_frame PARAMS ((struct frame_info *, int*)); - -extern void print_stack_frame PARAMS ((struct frame_info *, int, int)); - -extern void print_only_stack_frame PARAMS ((struct frame_info *, int, int)); - -extern void show_stack_frame PARAMS ((struct frame_info *)); - -extern void select_frame PARAMS ((struct frame_info *, int)); - -extern void record_selected_frame PARAMS ((CORE_ADDR *, int *)); - -extern void print_frame_info PARAMS ((struct frame_info *, int, int, int)); - -extern void show_frame_info PARAMS ((struct frame_info *, int, int, int)); - -extern CORE_ADDR find_saved_register PARAMS ((struct frame_info *, int)); - -extern struct frame_info *block_innermost_frame PARAMS ((struct block *)); - -extern struct frame_info *find_frame_addr_in_frame_chain PARAMS ((CORE_ADDR)); - -extern CORE_ADDR sigtramp_saved_pc PARAMS ((struct frame_info *)); - -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 PARAMS ((CORE_ADDR pc, - CORE_ADDR fp)); -extern char * generic_find_dummy_frame PARAMS ((CORE_ADDR pc, - CORE_ADDR fp)); - -#ifdef __GNUC__ -/* 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 - -#endif /* !defined (FRAME_H) */ |