[SCM] archer-pmuldoon-next-over-throw: Add comments to new unwinder code.

[SCM] archer-pmuldoon-next-over-throw: Add comments to new unwinder code.

[tromey]

The branch, archer-pmuldoon-next-over-throw has been updated
       via  c2fa833b48265ee6cfd2571d2b4bb79825fa91b6 (commit)
      from  24b21a09e7ca0b0205aa351b494b90fca698445a (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email.

- Log -----------------------------------------------------------------
commit c2fa833b48265ee6cfd2571d2b4bb79825fa91b6
Author: Tom Tromey <tromey@redhat.com>
Date:   Mon Feb 23 15:32:34 2009 -0700

    Add comments to new unwinder code.

-----------------------------------------------------------------------

Summary of changes:
 gdb/unwinder.diff |   12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)

First 500 lines of diff:
diff --git a/gdb/unwinder.diff b/gdb/unwinder.diff
index 2c46635..87d6daa 100644
--- a/gdb/unwinder.diff
+++ b/gdb/unwinder.diff
@@ -9,16 +9,24 @@ Index: unwind-dw2.c
     Free Software Foundation, Inc.
  
     This file is part of GCC.
-@@ -1461,18 +1461,28 @@
+@@ -1461,18 +1461,36 @@
    context->ra = __builtin_extract_return_addr (outer_ra);
  }
  
++/* This is used to trigger the debugger support in the unwinder.  When
++   non-zero, _Unwind_DebugHook is called during unwinding, just before
++   the unwinder returns to user code.  This is never set by the
++   unwinder; it must be set by the debugger.  */
 +int _Unwind_DebugTrigger;
  
 +void _Unwind_DebugHook (void *, void *) __attribute__ ((__noinline__));
 +
++/* When _Unwind_DebugTrigger is non-zero, this function is called
++   during unwinding.  CFA is the CFA of the target frame.  HANDLER is
++   the PC to which control will be transferred.  */
 +void
-+_Unwind_DebugHook (void *cfa, void *handler)
++_Unwind_DebugHook (void *cfa __attribute__ ((__unused__)),
++		   void *handler __attribute__ ((__unused__)))
 +{
 +}
 +


hooks/post-receive
--
Repository for Project Archer.