Use sigsetjmp/siglongjmp in opcodes

[deliverable/binutils-gdb.git] / gdb / frame.h

diff --git a/gdb/frame.h b/gdb/frame.h
index f7e46d5e001de6e5670ac1222744fb65e4335e7d..b88bd281cbe0e1161a392c4f8297821462fafc3b 100644 (file)
--- a/gdb/frame.h
+++ b/gdb/frame.h
@@ -193,6 +193,14 @@ extern struct frame_id frame_id_build_special (CORE_ADDR stack_addr,
    address is set to indicate a wild card.  */
 extern struct frame_id frame_id_build_unavailable_stack (CORE_ADDR code_addr);
 
+/* Construct a frame ID representing a frame where the stack address
+   exists, but is unavailable.  CODE_ADDR is the frame's constant code
+   address (typically the entry point).  SPECIAL_ADDR is the special
+   identifier address.  */
+extern struct frame_id
+  frame_id_build_unavailable_stack_special (CORE_ADDR code_addr,
+                                           CORE_ADDR special_addr);
+
 /* Construct a wild card frame ID.  The parameter is the frame's constant
    stack address (typically the outer-bound).  The code address as well
    as the special identifier address are set to indicate wild cards.  */
@@ -299,6 +307,13 @@ 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 *);
 
+/* Return a "struct frame_info" corresponding to the frame that called
+   THIS_FRAME.  Returns NULL if there is no such frame.
+
+   Unlike get_prev_frame, this function always tries to unwind the
+   frame.  */
+extern struct frame_info *get_prev_frame_always (struct frame_info *);
+
 /* Given a frame's ID, relocate the frame.  Returns NULL if the frame
    is not found.  */
 extern struct frame_info *frame_find_by_id (struct frame_id id);