* src/vm/jit/powerpc/emit.c (config.h): Added.

* src/vm/jit/powerpc/emit.c (config.h): Added.
[ENABLE_THREADS] (threads/native/lock.h): Likewise.
(vm/builtin.h): Likewise.
(vm/jit/abi-asm.h): Likewise.
(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 (codegen): Use emit functions to
generate stubs and call trace code.
(createnativestub): Likewise.