[RFA] Submit process record and replay third time, 1/9

[teawater <teawater@gmail.com>]

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This patch is add two function pointers interface to GDB architecture
support layer for process record and replay.

After use this patch, still need:
cd src/gdb/
./gdbarch.sh
cp new-gdbarch.c gdbarch.c
cp new-gdbarch.h gdbarch.h

2009-01-08  Hui Zhu  <teawater@gmail.com>

	GDBARCH interface for process record and replay.

	* gdbarch.sh (process_record): This interface point to the
	function that records the inferior execute log.
	(process_record_dasm): This interface points to the function
	that will be called to set inferior status according to the
	instruction in replay mode.

	2008-12-28  Michael Snyder  <msnyder@vmware.com>
	* Comments, spelling, white space clean-ups.

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--- a/gdbarch.sh
+++ b/gdbarch.sh
@@ -698,6 +698,10 @@
 # Set if the address in N_SO or N_FUN stabs may be zero.
 v:int:sofun_address_maybe_missing:::0:0::0
 
+# For the process record and replay target.
+M:int:process_record:CORE_ADDR addr:addr
+M:void:process_record_dasm:void
+
 # Signal translation: translate inferior's signal (host's) number into
 # GDB's representation.
 m:enum target_signal:target_signal_from_host:int signo:signo::default_target_signal_from_host::0