diff options
Diffstat (limited to 'gdb/frame.h')
| -rw-r--r-- | gdb/frame.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/gdb/frame.h b/gdb/frame.h index a05ac82..dc25ce9 100644 --- a/gdb/frame.h +++ b/gdb/frame.h @@ -90,6 +90,9 @@ enum frame_id_stack_status /* Stack address is valid, and is found in the stack_addr field. */ FID_STACK_VALID = 1, + /* Sentinel frame. */ + FID_STACK_SENTINEL = 2, + /* Stack address is unavailable. I.e., there's a valid stack, but we don't know where it is (because memory or registers we'd compute it from were not collected). */ @@ -150,7 +153,7 @@ struct frame_id CORE_ADDR special_addr; /* Flags to indicate the above fields have valid contents. */ - ENUM_BITFIELD(frame_id_stack_status) stack_status : 2; + ENUM_BITFIELD(frame_id_stack_status) stack_status : 3; unsigned int code_addr_p : 1; unsigned int special_addr_p : 1; @@ -166,6 +169,9 @@ struct frame_id /* For convenience. All fields are zero. This means "there is no frame". */ extern const struct frame_id null_frame_id; +/* Sentinel frame. */ +extern const struct frame_id sentinel_frame_id; + /* This means "there is no frame ID, but there is a frame". It should be replaced by best-effort frame IDs for the outermost frame, somehow. The implementation is only special_addr_p set. */ @@ -310,6 +316,10 @@ extern void select_frame (struct frame_info *); extern struct frame_info *get_prev_frame (struct frame_info *); extern struct frame_info *get_next_frame (struct frame_info *); +/* Like get_next_frame(), but allows return of the sentinel frame. NULL + is never returned. */ +extern struct frame_info *get_next_frame_sentinel_okay (struct frame_info *); + /* Return a "struct frame_info" corresponding to the frame that called THIS_FRAME. Returns NULL if there is no such frame. |