upgrade the cross-gdb to 6.8 (patch from #4701)

[openwrt-10.03/.git] / toolchain / gdb / patches / 640-debian_dwarf2-frame-signal-unwinder.patch

diff --git a/toolchain/gdb/patches/640-debian_dwarf2-frame-signal-unwinder.patch b/toolchain/gdb/patches/640-debian_dwarf2-frame-signal-unwinder.patch
deleted file mode 100644 (file)
index 246427e..0000000
--- a/toolchain/gdb/patches/640-debian_dwarf2-frame-signal-unwinder.patch
+++ /dev/null
@@ -1,120 +0,0 @@
-Status: Checked in to HEAD after 6.3.
-
-2004-11-07  Daniel Jacobowitz  <dan@debian.org>
-
-       * dwarf2-frame.c (struct dwarf2_frame_ops): Add signal_frame_p.
-       (dwarf2_frame_set_signal_frame_p, dwarf2_frame_signal_frame_p)
-       (dwarf2_signal_frame_unwind): New.
-       (dwarf2_frame_sniffer): Use dwarf2_frame_signal_frame_p.
-       * dwarf2-frame.h (dwarf2_frame_set_signal_frame_p): New prototype.
-
-Index: src/gdb/dwarf2-frame.c
-===================================================================
-RCS file: /big/fsf/rsync/src-cvs/src/gdb/dwarf2-frame.c,v
-retrieving revision 1.41
-diff -u -p -r1.41 dwarf2-frame.c
---- src/gdb/dwarf2-frame.c     4 Nov 2004 21:15:15 -0000       1.41
-+++ src/gdb/dwarf2-frame.c     7 Nov 2004 17:41:58 -0000
-@@ -471,6 +471,10 @@ struct dwarf2_frame_ops
- {
-   /* Pre-initialize the register state REG for register REGNUM.  */
-   void (*init_reg) (struct gdbarch *, int, struct dwarf2_frame_state_reg *);
-+
-+  /* Check whether the frame preceding NEXT_FRAME will be a signal
-+     trampoline.  */
-+  int (*signal_frame_p) (struct gdbarch *, struct frame_info *);
- };
- 
- /* Default architecture-specific register state initialization
-@@ -547,6 +551,33 @@ dwarf2_frame_init_reg (struct gdbarch *g
- 
-   ops->init_reg (gdbarch, regnum, reg);
- }
-+
-+/* Set the architecture-specific signal trampoline recognition
-+   function for GDBARCH to SIGNAL_FRAME_P.  */
-+
-+void
-+dwarf2_frame_set_signal_frame_p (struct gdbarch *gdbarch,
-+                               int (*signal_frame_p) (struct gdbarch *,
-+                                                      struct frame_info *))
-+{
-+  struct dwarf2_frame_ops *ops = gdbarch_data (gdbarch, dwarf2_frame_data);
-+
-+  ops->signal_frame_p = signal_frame_p;
-+}
-+
-+/* Query the architecture-specific signal frame recognizer for
-+   NEXT_FRAME.  */
-+
-+static int
-+dwarf2_frame_signal_frame_p (struct gdbarch *gdbarch,
-+                           struct frame_info *next_frame)
-+{
-+  struct dwarf2_frame_ops *ops = gdbarch_data (gdbarch, dwarf2_frame_data);
-+
-+  if (ops->signal_frame_p == NULL)
-+    return 0;
-+  return ops->signal_frame_p (gdbarch, next_frame);
-+}
- \f
- 
- struct dwarf2_frame_cache
-@@ -841,6 +872,13 @@ static const struct frame_unwind dwarf2_
-   dwarf2_frame_prev_register
- };
- 
-+static const struct frame_unwind dwarf2_signal_frame_unwind =
-+{
-+  SIGTRAMP_FRAME,
-+  dwarf2_frame_this_id,
-+  dwarf2_frame_prev_register
-+};
-+
- const struct frame_unwind *
- dwarf2_frame_sniffer (struct frame_info *next_frame)
- {
-@@ -848,10 +886,18 @@ dwarf2_frame_sniffer (struct frame_info 
-      function.  frame_pc_unwind(), for a no-return next function, can
-      end up returning something past the end of this function's body.  */
-   CORE_ADDR block_addr = frame_unwind_address_in_block (next_frame);
--  if (dwarf2_frame_find_fde (&block_addr))
--    return &dwarf2_frame_unwind;
-+  if (!dwarf2_frame_find_fde (&block_addr))
-+    return NULL;
- 
--  return NULL;
-+  /* On some targets, signal trampolines may have unwind information.
-+     We need to recognize them so that we set the frame type
-+     correctly.  */
-+
-+  if (dwarf2_frame_signal_frame_p (get_frame_arch (next_frame),
-+                                 next_frame))
-+    return &dwarf2_signal_frame_unwind;
-+
-+  return &dwarf2_frame_unwind;
- }
- \f
- 
-Index: src/gdb/dwarf2-frame.h
-===================================================================
-RCS file: /big/fsf/rsync/src-cvs/src/gdb/dwarf2-frame.h,v
-retrieving revision 1.6
-diff -u -p -r1.6 dwarf2-frame.h
---- src/gdb/dwarf2-frame.h     28 Feb 2004 16:59:32 -0000      1.6
-+++ src/gdb/dwarf2-frame.h     7 Nov 2004 17:40:41 -0000
-@@ -79,6 +79,14 @@ extern void dwarf2_frame_set_init_reg (s
-                                      void (*init_reg) (struct gdbarch *, int,
-                                            struct dwarf2_frame_state_reg *));
- 
-+/* Set the architecture-specific signal trampoline recognition
-+   function for GDBARCH to SIGNAL_FRAME_P.  */
-+
-+extern void
-+  dwarf2_frame_set_signal_frame_p (struct gdbarch *gdbarch,
-+                                 int (*signal_frame_p) (struct gdbarch *,
-+                                                        struct frame_info *));
-+
- /* Return the frame unwind methods for the function that contains PC,
-    or NULL if it can't be handled by DWARF CFI frame unwinder.  */
-