2009-01-26 Zoltan Varga <vargaz@gmail.com>

2009-01-26  Zoltan Varga  <vargaz@gmail.com>

	* mini.c (mini_method_compile): Save the unwind info generated by the JIT
	and put its id into jinfo->used_regs. This is only used on amd64,
	which is currently the only platform generating unwind info.

	* exceptions-amd64.c: Instead of unwinding based on a register mask, use
	the dwarf unwinder. This is required to correctly handle async exceptions
	like thread abort and stack overflows, which can happen while a method
	is in the middle of its prolog or epilog.

	* aot-runtime.c (mono_aot_get_unwind_info): New helper function to obtain
	the unwind info belonging to an AOTed method.

	* aot-compiler.c aot-runtime.c: Save/Load the unwind info emitted by the JIT
	into cfg->unwind_ops.

svn path=/trunk/mono/; revision=124504