diff options
Diffstat (limited to 'gdb/frame-unwind.h')
| -rw-r--r-- | gdb/frame-unwind.h | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/gdb/frame-unwind.h b/gdb/frame-unwind.h index ad1efdf353b..80ce4b6dd0d 100644 --- a/gdb/frame-unwind.h +++ b/gdb/frame-unwind.h @@ -30,25 +30,12 @@ struct regcache; #include "frame.h" /* For enum frame_type. */ -/* Return the frame unwind methods for the function that contains PC, - or NULL if this this unwinder can't handle this frame. */ - +/* For compatibility with the old frame code. See end of header for + new methods. */ typedef const struct frame_unwind *(frame_unwind_p_ftype) (CORE_ADDR pc); - -/* Add a frame unwinder to the list. The predicates are polled in the - order that they are appended. The initial list contains the dummy - frame's predicate. */ - extern void frame_unwind_append_predicate (struct gdbarch *gdbarch, frame_unwind_p_ftype *p); -/* Iterate through the list of frame unwinders until one returns an - implementation. */ - -extern const struct frame_unwind *frame_unwind_find_by_pc (struct gdbarch - *gdbarch, - CORE_ADDR pc); - /* The following unwind functions assume a chain of frames forming the sequence: (outer) prev <-> this <-> next (inner). All the functions are called with called with the next frame's `struct @@ -139,4 +126,22 @@ struct frame_unwind frame_prev_register_ftype *prev_register; }; +/* Given the NEXT frame, take a wiff of THIS frame's registers (namely + the PC and attributes) and if it is the applicable unwinder return + the unwind methods, or NULL if it is not. */ + +typedef const struct frame_unwind *(frame_unwind_sniffer_ftype) (struct frame_info *next_frame); + +/* Add a frame sniffer to the list. The predicates are polled in the + order that they are appended. The initial list contains the dummy + frame sniffer. */ + +extern void frame_unwind_append_sniffer (struct gdbarch *gdbarch, + frame_unwind_sniffer_ftype *sniffer); + +/* Iterate through the next frame's sniffers until one returns with an + unwinder implementation. */ + +extern const struct frame_unwind *frame_unwind_find_by_frame (struct frame_info *next_frame); + #endif |