diff options
Diffstat (limited to 'gdb/frame.h')
| -rw-r--r-- | gdb/frame.h | 51 |
1 files changed, 32 insertions, 19 deletions
diff --git a/gdb/frame.h b/gdb/frame.h index bce43ed..941ee73 100644 --- a/gdb/frame.h +++ b/gdb/frame.h @@ -184,6 +184,25 @@ extern int frame_id_inner (struct frame_id l, struct frame_id r); extern void fprint_frame_id (struct ui_file *file, struct frame_id id); +/* Frame types. Some are real, some are signal trampolines, and some + are completely artificial (dummy). */ + +enum frame_type +{ + /* A true stack frame, created by the target program during normal + execution. */ + NORMAL_FRAME, + /* A fake frame, created by GDB when performing an inferior function + call. */ + DUMMY_FRAME, + /* In a signal handler, various OSs handle this in various ways. + The main thing is that the frame may be far from normal. */ + SIGTRAMP_FRAME, + /* Sentinel or registers frame. This frame obtains register values + direct from the inferior's registers. */ + SENTINEL_FRAME +}; + /* For every stopped thread, GDB tracks two frames: current and selected. Current frame is the inner most frame of the selected thread. Selected frame is the one being examined by the the GDB @@ -265,7 +284,13 @@ extern CORE_ADDR get_frame_pc (struct frame_info *); the frame's block. */ extern CORE_ADDR get_frame_address_in_block (struct frame_info *this_frame); -extern CORE_ADDR frame_unwind_address_in_block (struct frame_info *next_frame); + +/* Similar to get_frame_address_in_block, find an address in the + block which logically called NEXT_FRAME, assuming it is a THIS_TYPE + frame. */ + +extern CORE_ADDR frame_unwind_address_in_block (struct frame_info *next_frame, + enum frame_type this_type); /* The frame's inner-most bound. AKA the stack-pointer. Confusingly known as top-of-stack. */ @@ -277,9 +302,13 @@ extern CORE_ADDR frame_sp_unwind (struct frame_info *); /* Following on from the `resume' address. Return the entry point address of the function containing that resume address, or zero if that function isn't known. */ -extern CORE_ADDR frame_func_unwind (struct frame_info *fi); extern CORE_ADDR get_frame_func (struct frame_info *fi); +/* Similar to get_frame_func, find the start of the function which + logically called NEXT_FRAME, assuming it is a THIS_TYPE frame. */ +extern CORE_ADDR frame_func_unwind (struct frame_info *next_frame, + enum frame_type this_type); + /* Closely related to the resume address, various symbol table attributes that are determined by the PC. Note that for a normal frame, the PC refers to the resume address after the return, and @@ -375,24 +404,8 @@ extern CORE_ADDR get_frame_args_address (struct frame_info *); for an invalid frame). */ extern int frame_relative_level (struct frame_info *fi); -/* Return the frame's type. Some are real, some are signal - trampolines, and some are completely artificial (dummy). */ +/* Return the frame's type. */ -enum frame_type -{ - /* A true stack frame, created by the target program during normal - execution. */ - NORMAL_FRAME, - /* A fake frame, created by GDB when performing an inferior function - call. */ - DUMMY_FRAME, - /* In a signal handler, various OSs handle this in various ways. - The main thing is that the frame may be far from normal. */ - SIGTRAMP_FRAME, - /* Sentinel or registers frame. This frame obtains register values - direct from the inferior's registers. */ - SENTINEL_FRAME -}; extern enum frame_type get_frame_type (struct frame_info *); /* For frames where we can not unwind further, describe why. */ |