X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Ftramp-frame.h;h=028fbf05467970615899ac941552e017285b980a;hb=484b3c325d8182cd7b7da4ceeaedc238c7f80b5c;hp=886f94d32fb52f87afe626da04e76987d90de732;hpb=70f13f6b008fa313e80bc4f8a88b747e86da5abb;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/tramp-frame.h b/gdb/tramp-frame.h
index 886f94d32f..028fbf0546 100644
--- a/gdb/tramp-frame.h
+++ b/gdb/tramp-frame.h
@@ -1,6 +1,6 @@
 /* Signal trampoline unwinder.
 
-   Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2004-2016 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -34,7 +34,7 @@ struct trad_frame_cache;
    The only way to identify a trampoline is to perform a brute force
    examination of the instructions at and around the PC.
 
-   This module provides a convent interface for performing that
+   This module provides a convenient interface for performing that
    operation.  */
 
 /* A trampoline descriptor.  */
@@ -66,9 +66,16 @@ struct tramp_frame
   /* Initialize a trad-frame cache corresponding to the tramp-frame.
      FUNC is the address of the instruction TRAMP[0] in memory.  */
   void (*init) (const struct tramp_frame *self,
-		struct frame_info *next_frame,
+		struct frame_info *this_frame,
 		struct trad_frame_cache *this_cache,
 		CORE_ADDR func);
+  /* Return non-zero if the tramp-frame is valid for the PC requested.
+     Adjust the PC to point to the address to check the instruction
+     sequence against if required.  If this is NULL, then the tramp-frame
+     is valid for any PC.  */
+  int (*validate) (const struct tramp_frame *self,
+		   struct frame_info *this_frame,
+		   CORE_ADDR *pc);
 };
 
 void tramp_frame_prepend_unwinder (struct gdbarch *gdbarch,