X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Ftramp-frame.h;h=ff2e8b6c296e63936af4561235de83b0baac6fc7;hb=e98ee8c458f3a8405eb93e71b00f801b4bbe3635;hp=8bfad2c7fc0cd14245c7844899a7ad4f40ea2806;hpb=7b6bb8daaceb9ecf3f42dea57ae82733d6a3b2f6;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/tramp-frame.h b/gdb/tramp-frame.h
index 8bfad2c7fc..ff2e8b6c29 100644
--- a/gdb/tramp-frame.h
+++ b/gdb/tramp-frame.h
@@ -1,7 +1,6 @@
 /* Signal trampoline unwinder.
 
-   Copyright (C) 2004, 2005, 2007, 2008, 2009, 2010, 2011
-   Free Software Foundation, Inc.
+   Copyright (C) 2004-2018 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -42,7 +41,7 @@ struct trad_frame_cache;
 
 /* Magic instruction that to mark the end of the signal trampoline
    instruction sequence.  */
-#define TRAMP_SENTINEL_INSN ((LONGEST) -1)
+#define TRAMP_SENTINEL_INSN ULONGEST_MAX
 
 struct tramp_frame
 {
@@ -70,6 +69,13 @@ struct tramp_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,