* src/vm/jit/emit.h (emit_verbosecall_enter): Added.

* src/vm/jit/emit.h (emit_verbosecall_enter): Added.
(emit_verbosecall_exit): Likewise.

* src/vm/jit/powerpc/emit.c (vm/builtin.h): Added.
(vm/jit/asmpart.h): Likewise.
(vm/jit/replace.h): Likewise.
(emit_exception_stubs): New method.
(emit_patcher_stubs): Likewise.
(emit_replacement_stubs): Likewise.
(emit_verbosecall_enter): Likewise.
(emit_verbosecall_exit): Likewise.

* src/vm/jit/powerpc/codegen.c (vm/jit/abi-asm.h): Added.
(codegen_trace_args): Removed.
(codegen): Use cd->stackframesize instead of stackframesize, use emit
functions to generate stubs and call trace code.
(createnativestub): Likewise.