diff --git a/include/exec/def-helper.h b/include/exec/def-helper.h
deleted file mode 100644
index 255b58b..0000000
--- a/include/exec/def-helper.h
+++ /dev/null
@@ -1,274 +0,0 @@
-/* Helper file for declaring TCG helper functions.
-   Should be included at the start and end of target-foo/helper.h.
-
-   Targets should use DEF_HELPER_N and DEF_HELPER_FLAGS_N to declare helper
-   functions.  Names should be specified without the helper_ prefix, and
-   the return and argument types specified.  3 basic types are understood
-   (i32, i64 and ptr).  Additional aliases are provided for convenience and
-   to match the types used by the C helper implementation.
-
-   The target helper.h should be included in all files that use/define
-   helper functions.  THis will ensure that function prototypes are
-   consistent.  In addition it should be included an extra two times for
-   helper.c, defining:
-    GEN_HELPER 1 to produce op generation functions (gen_helper_*)
-    GEN_HELPER 2 to do runtime registration helper functions.
- */
-
-#ifndef DEF_HELPER_H
-#define DEF_HELPER_H 1
-
-#define HELPER(name) glue(helper_, name)
-
-#define GET_TCGV_i32 GET_TCGV_I32
-#define GET_TCGV_i64 GET_TCGV_I64
-#define GET_TCGV_ptr GET_TCGV_PTR
-
-/* Some types that make sense in C, but not for TCG.  */
-#define dh_alias_i32 i32
-#define dh_alias_s32 i32
-#define dh_alias_int i32
-#define dh_alias_i64 i64
-#define dh_alias_s64 i64
-#define dh_alias_f32 i32
-#define dh_alias_f64 i64
-#if TARGET_LONG_BITS == 32
-#define dh_alias_tl i32
-#else
-#define dh_alias_tl i64
-#endif
-#define dh_alias_ptr ptr
-#define dh_alias_void void
-#define dh_alias_noreturn noreturn
-#define dh_alias_env ptr
-#define dh_alias(t) glue(dh_alias_, t)
-
-#define dh_ctype_i32 uint32_t
-#define dh_ctype_s32 int32_t
-#define dh_ctype_int int
-#define dh_ctype_i64 uint64_t
-#define dh_ctype_s64 int64_t
-#define dh_ctype_f32 float32
-#define dh_ctype_f64 float64
-#define dh_ctype_tl target_ulong
-#define dh_ctype_ptr void *
-#define dh_ctype_void void
-#define dh_ctype_noreturn void QEMU_NORETURN
-#define dh_ctype_env CPUArchState *
-#define dh_ctype(t) dh_ctype_##t
-
-/* We can't use glue() here because it falls foul of C preprocessor
-   recursive expansion rules.  */
-#define dh_retvar_decl0_void void
-#define dh_retvar_decl0_noreturn void
-#define dh_retvar_decl0_i32 TCGv_i32 retval
-#define dh_retvar_decl0_i64 TCGv_i64 retval
-#define dh_retvar_decl0_ptr TCGv_ptr retval
-#define dh_retvar_decl0(t) glue(dh_retvar_decl0_, dh_alias(t))
-
-#define dh_retvar_decl_void
-#define dh_retvar_decl_noreturn
-#define dh_retvar_decl_i32 TCGv_i32 retval,
-#define dh_retvar_decl_i64 TCGv_i64 retval,
-#define dh_retvar_decl_ptr TCGv_ptr retval,
-#define dh_retvar_decl(t) glue(dh_retvar_decl_, dh_alias(t))
-
-#define dh_retvar_void TCG_CALL_DUMMY_ARG
-#define dh_retvar_noreturn TCG_CALL_DUMMY_ARG
-#define dh_retvar_i32 GET_TCGV_i32(retval)
-#define dh_retvar_i64 GET_TCGV_i64(retval)
-#define dh_retvar_ptr GET_TCGV_ptr(retval)
-#define dh_retvar(t) glue(dh_retvar_, dh_alias(t))
-
-#define dh_is_64bit_void 0
-#define dh_is_64bit_noreturn 0
-#define dh_is_64bit_i32 0
-#define dh_is_64bit_i64 1
-#define dh_is_64bit_ptr (sizeof(void *) == 8)
-#define dh_is_64bit(t) glue(dh_is_64bit_, dh_alias(t))
-
-#define dh_is_signed_void 0
-#define dh_is_signed_noreturn 0
-#define dh_is_signed_i32 0
-#define dh_is_signed_s32 1
-#define dh_is_signed_i64 0
-#define dh_is_signed_s64 1
-#define dh_is_signed_f32 0
-#define dh_is_signed_f64 0
-#define dh_is_signed_tl  0
-#define dh_is_signed_int 1
-/* ??? This is highly specific to the host cpu.  There are even special
-   extension instructions that may be required, e.g. ia64's addp4.  But
-   for now we don't support any 64-bit targets with 32-bit pointers.  */
-#define dh_is_signed_ptr 0
-#define dh_is_signed_env dh_is_signed_ptr
-#define dh_is_signed(t) dh_is_signed_##t
-
-#define dh_sizemask(t, n) \
-  sizemask |= dh_is_64bit(t) << (n*2); \
-  sizemask |= dh_is_signed(t) << (n*2+1)
-
-#define dh_arg(t, n) \
-  args[n - 1] = glue(GET_TCGV_, dh_alias(t))(glue(arg, n)); \
-  dh_sizemask(t, n)
-
-#define dh_arg_decl(t, n) glue(TCGv_, dh_alias(t)) glue(arg, n)
-
-
-#define DEF_HELPER_0(name, ret) \
-    DEF_HELPER_FLAGS_0(name, 0, ret)
-#define DEF_HELPER_1(name, ret, t1) \
-    DEF_HELPER_FLAGS_1(name, 0, ret, t1)
-#define DEF_HELPER_2(name, ret, t1, t2) \
-    DEF_HELPER_FLAGS_2(name, 0, ret, t1, t2)
-#define DEF_HELPER_3(name, ret, t1, t2, t3) \
-    DEF_HELPER_FLAGS_3(name, 0, ret, t1, t2, t3)
-#define DEF_HELPER_4(name, ret, t1, t2, t3, t4) \
-    DEF_HELPER_FLAGS_4(name, 0, ret, t1, t2, t3, t4)
-#define DEF_HELPER_5(name, ret, t1, t2, t3, t4, t5) \
-    DEF_HELPER_FLAGS_5(name, 0, ret, t1, t2, t3, t4, t5)
-
-/* MAX_OPC_PARAM_IARGS must be set to n if last entry is DEF_HELPER_FLAGS_n. */
-
-#endif /* DEF_HELPER_H */
-
-#ifndef GEN_HELPER
-/* Function prototypes.  */
-
-#define DEF_HELPER_FLAGS_0(name, flags, ret) \
-dh_ctype(ret) HELPER(name) (void);
-
-#define DEF_HELPER_FLAGS_1(name, flags, ret, t1) \
-dh_ctype(ret) HELPER(name) (dh_ctype(t1));
-
-#define DEF_HELPER_FLAGS_2(name, flags, ret, t1, t2) \
-dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2));
-
-#define DEF_HELPER_FLAGS_3(name, flags, ret, t1, t2, t3) \
-dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3));
-
-#define DEF_HELPER_FLAGS_4(name, flags, ret, t1, t2, t3, t4) \
-dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3), \
-                                   dh_ctype(t4));
-
-#define DEF_HELPER_FLAGS_5(name, flags, ret, t1, t2, t3, t4, t5) \
-dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3), \
-                            dh_ctype(t4), dh_ctype(t5));
-
-#undef GEN_HELPER
-#define GEN_HELPER -1
-
-#elif GEN_HELPER == 1
-/* Gen functions.  */
-
-#define DEF_HELPER_FLAGS_0(name, flags, ret) \
-static inline void glue(gen_helper_, name)(dh_retvar_decl0(ret)) \
-{ \
-  int sizemask; \
-  sizemask = dh_is_64bit(ret); \
-  tcg_gen_helperN(HELPER(name), flags, sizemask, dh_retvar(ret), 0, NULL); \
-}
-
-#define DEF_HELPER_FLAGS_1(name, flags, ret, t1) \
-static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) dh_arg_decl(t1, 1)) \
-{ \
-  TCGArg args[1]; \
-  int sizemask = 0; \
-  dh_sizemask(ret, 0); \
-  dh_arg(t1, 1); \
-  tcg_gen_helperN(HELPER(name), flags, sizemask, dh_retvar(ret), 1, args); \
-}
-
-#define DEF_HELPER_FLAGS_2(name, flags, ret, t1, t2) \
-static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) dh_arg_decl(t1, 1), \
-    dh_arg_decl(t2, 2)) \
-{ \
-  TCGArg args[2]; \
-  int sizemask = 0; \
-  dh_sizemask(ret, 0); \
-  dh_arg(t1, 1); \
-  dh_arg(t2, 2); \
-  tcg_gen_helperN(HELPER(name), flags, sizemask, dh_retvar(ret), 2, args); \
-}
-
-#define DEF_HELPER_FLAGS_3(name, flags, ret, t1, t2, t3) \
-static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) dh_arg_decl(t1, 1), \
-    dh_arg_decl(t2, 2), dh_arg_decl(t3, 3)) \
-{ \
-  TCGArg args[3]; \
-  int sizemask = 0; \
-  dh_sizemask(ret, 0); \
-  dh_arg(t1, 1); \
-  dh_arg(t2, 2); \
-  dh_arg(t3, 3); \
-  tcg_gen_helperN(HELPER(name), flags, sizemask, dh_retvar(ret), 3, args); \
-}
-
-#define DEF_HELPER_FLAGS_4(name, flags, ret, t1, t2, t3, t4) \
-static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) dh_arg_decl(t1, 1), \
-    dh_arg_decl(t2, 2), dh_arg_decl(t3, 3), dh_arg_decl(t4, 4)) \
-{ \
-  TCGArg args[4]; \
-  int sizemask = 0; \
-  dh_sizemask(ret, 0); \
-  dh_arg(t1, 1); \
-  dh_arg(t2, 2); \
-  dh_arg(t3, 3); \
-  dh_arg(t4, 4); \
-  tcg_gen_helperN(HELPER(name), flags, sizemask, dh_retvar(ret), 4, args); \
-}
-
-#define DEF_HELPER_FLAGS_5(name, flags, ret, t1, t2, t3, t4, t5) \
-static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \
-    dh_arg_decl(t1, 1),  dh_arg_decl(t2, 2), dh_arg_decl(t3, 3), \
-    dh_arg_decl(t4, 4), dh_arg_decl(t5, 5)) \
-{ \
-  TCGArg args[5]; \
-  int sizemask = 0; \
-  dh_sizemask(ret, 0); \
-  dh_arg(t1, 1); \
-  dh_arg(t2, 2); \
-  dh_arg(t3, 3); \
-  dh_arg(t4, 4); \
-  dh_arg(t5, 5); \
-  tcg_gen_helperN(HELPER(name), flags, sizemask, dh_retvar(ret), 5, args); \
-}
-
-#undef GEN_HELPER
-#define GEN_HELPER -1
-
-#elif GEN_HELPER == 2
-/* Register helpers.  */
-
-#define DEF_HELPER_FLAGS_0(name, flags, ret)  { HELPER(name), #name },
-
-#define DEF_HELPER_FLAGS_1(name, flags, ret, t1) \
-DEF_HELPER_FLAGS_0(name, flags, ret)
-
-#define DEF_HELPER_FLAGS_2(name, flags, ret, t1, t2) \
-DEF_HELPER_FLAGS_0(name, flags, ret)
-
-#define DEF_HELPER_FLAGS_3(name, flags, ret, t1, t2, t3) \
-DEF_HELPER_FLAGS_0(name, flags, ret)
-
-#define DEF_HELPER_FLAGS_4(name, flags, ret, t1, t2, t3, t4) \
-DEF_HELPER_FLAGS_0(name, flags, ret)
-
-#define DEF_HELPER_FLAGS_5(name, flags, ret, t1, t2, t3, t4, t5) \
-DEF_HELPER_FLAGS_0(name, flags, ret)
-
-#undef GEN_HELPER
-#define GEN_HELPER -1
-
-#elif GEN_HELPER == -1
-/* Undefine macros.  */
-
-#undef DEF_HELPER_FLAGS_0
-#undef DEF_HELPER_FLAGS_1
-#undef DEF_HELPER_FLAGS_2
-#undef DEF_HELPER_FLAGS_3
-#undef DEF_HELPER_FLAGS_4
-#undef DEF_HELPER_FLAGS_5
-#undef GEN_HELPER
-
-#endif
diff --git a/include/exec/helper-gen.h b/include/exec/helper-gen.h
new file mode 100644
index 0000000..f6d9ec3
--- /dev/null
+++ b/include/exec/helper-gen.h
@@ -0,0 +1,92 @@
+/* Helper file for declaring TCG helper functions.
+   This one expands generation functions for tcg opcodes.  */
+
+#ifndef HELPER_GEN_H
+#define HELPER_GEN_H 1
+
+#include <exec/helper-head.h>
+
+#define DEF_HELPER_FLAGS_0(name, flags, ret) \
+static inline void glue(gen_helper_, name)(dh_retvar_decl0(ret)) \
+{ \
+  int sizemask; \
+  sizemask = dh_is_64bit(ret); \
+  tcg_gen_helperN(HELPER(name), flags, sizemask, dh_retvar(ret), 0, NULL); \
+}
+
+#define DEF_HELPER_FLAGS_1(name, flags, ret, t1) \
+static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) dh_arg_decl(t1, 1)) \
+{ \
+  TCGArg args[1]; \
+  int sizemask = 0; \
+  dh_sizemask(ret, 0); \
+  dh_arg(t1, 1); \
+  tcg_gen_helperN(HELPER(name), flags, sizemask, dh_retvar(ret), 1, args); \
+}
+
+#define DEF_HELPER_FLAGS_2(name, flags, ret, t1, t2) \
+static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) dh_arg_decl(t1, 1), \
+    dh_arg_decl(t2, 2)) \
+{ \
+  TCGArg args[2]; \
+  int sizemask = 0; \
+  dh_sizemask(ret, 0); \
+  dh_arg(t1, 1); \
+  dh_arg(t2, 2); \
+  tcg_gen_helperN(HELPER(name), flags, sizemask, dh_retvar(ret), 2, args); \
+}
+
+#define DEF_HELPER_FLAGS_3(name, flags, ret, t1, t2, t3) \
+static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) dh_arg_decl(t1, 1), \
+    dh_arg_decl(t2, 2), dh_arg_decl(t3, 3)) \
+{ \
+  TCGArg args[3]; \
+  int sizemask = 0; \
+  dh_sizemask(ret, 0); \
+  dh_arg(t1, 1); \
+  dh_arg(t2, 2); \
+  dh_arg(t3, 3); \
+  tcg_gen_helperN(HELPER(name), flags, sizemask, dh_retvar(ret), 3, args); \
+}
+
+#define DEF_HELPER_FLAGS_4(name, flags, ret, t1, t2, t3, t4) \
+static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) dh_arg_decl(t1, 1), \
+    dh_arg_decl(t2, 2), dh_arg_decl(t3, 3), dh_arg_decl(t4, 4)) \
+{ \
+  TCGArg args[4]; \
+  int sizemask = 0; \
+  dh_sizemask(ret, 0); \
+  dh_arg(t1, 1); \
+  dh_arg(t2, 2); \
+  dh_arg(t3, 3); \
+  dh_arg(t4, 4); \
+  tcg_gen_helperN(HELPER(name), flags, sizemask, dh_retvar(ret), 4, args); \
+}
+
+#define DEF_HELPER_FLAGS_5(name, flags, ret, t1, t2, t3, t4, t5) \
+static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \
+    dh_arg_decl(t1, 1),  dh_arg_decl(t2, 2), dh_arg_decl(t3, 3), \
+    dh_arg_decl(t4, 4), dh_arg_decl(t5, 5)) \
+{ \
+  TCGArg args[5]; \
+  int sizemask = 0; \
+  dh_sizemask(ret, 0); \
+  dh_arg(t1, 1); \
+  dh_arg(t2, 2); \
+  dh_arg(t3, 3); \
+  dh_arg(t4, 4); \
+  dh_arg(t5, 5); \
+  tcg_gen_helperN(HELPER(name), flags, sizemask, dh_retvar(ret), 5, args); \
+}
+
+#include "helper.h"
+
+#undef DEF_HELPER_FLAGS_0
+#undef DEF_HELPER_FLAGS_1
+#undef DEF_HELPER_FLAGS_2
+#undef DEF_HELPER_FLAGS_3
+#undef DEF_HELPER_FLAGS_4
+#undef DEF_HELPER_FLAGS_5
+#undef GEN_HELPER
+
+#endif /* HELPER_GEN_H */
diff --git a/include/exec/helper-head.h b/include/exec/helper-head.h
new file mode 100644
index 0000000..2cbae22
--- /dev/null
+++ b/include/exec/helper-head.h
@@ -0,0 +1,132 @@
+/* Helper file for declaring TCG helper functions.
+   Used by other helper files.
+
+   Targets should use DEF_HELPER_N and DEF_HELPER_FLAGS_N to declare helper
+   functions.  Names should be specified without the helper_ prefix, and
+   the return and argument types specified.  3 basic types are understood
+   (i32, i64 and ptr).  Additional aliases are provided for convenience and
+   to match the types used by the C helper implementation.
+
+   The target helper.h should be included in all files that use/define
+   helper functions.  THis will ensure that function prototypes are
+   consistent.  In addition it should be included an extra two times for
+   helper.c, defining:
+    GEN_HELPER 1 to produce op generation functions (gen_helper_*)
+    GEN_HELPER 2 to do runtime registration helper functions.
+ */
+
+#ifndef DEF_HELPER_H
+#define DEF_HELPER_H 1
+
+#define HELPER(name) glue(helper_, name)
+
+#define GET_TCGV_i32 GET_TCGV_I32
+#define GET_TCGV_i64 GET_TCGV_I64
+#define GET_TCGV_ptr GET_TCGV_PTR
+
+/* Some types that make sense in C, but not for TCG.  */
+#define dh_alias_i32 i32
+#define dh_alias_s32 i32
+#define dh_alias_int i32
+#define dh_alias_i64 i64
+#define dh_alias_s64 i64
+#define dh_alias_f32 i32
+#define dh_alias_f64 i64
+#if TARGET_LONG_BITS == 32
+#define dh_alias_tl i32
+#else
+#define dh_alias_tl i64
+#endif
+#define dh_alias_ptr ptr
+#define dh_alias_void void
+#define dh_alias_noreturn noreturn
+#define dh_alias_env ptr
+#define dh_alias(t) glue(dh_alias_, t)
+
+#define dh_ctype_i32 uint32_t
+#define dh_ctype_s32 int32_t
+#define dh_ctype_int int
+#define dh_ctype_i64 uint64_t
+#define dh_ctype_s64 int64_t
+#define dh_ctype_f32 float32
+#define dh_ctype_f64 float64
+#define dh_ctype_tl target_ulong
+#define dh_ctype_ptr void *
+#define dh_ctype_void void
+#define dh_ctype_noreturn void QEMU_NORETURN
+#define dh_ctype_env CPUArchState *
+#define dh_ctype(t) dh_ctype_##t
+
+/* We can't use glue() here because it falls foul of C preprocessor
+   recursive expansion rules.  */
+#define dh_retvar_decl0_void void
+#define dh_retvar_decl0_noreturn void
+#define dh_retvar_decl0_i32 TCGv_i32 retval
+#define dh_retvar_decl0_i64 TCGv_i64 retval
+#define dh_retvar_decl0_ptr TCGv_ptr retval
+#define dh_retvar_decl0(t) glue(dh_retvar_decl0_, dh_alias(t))
+
+#define dh_retvar_decl_void
+#define dh_retvar_decl_noreturn
+#define dh_retvar_decl_i32 TCGv_i32 retval,
+#define dh_retvar_decl_i64 TCGv_i64 retval,
+#define dh_retvar_decl_ptr TCGv_ptr retval,
+#define dh_retvar_decl(t) glue(dh_retvar_decl_, dh_alias(t))
+
+#define dh_retvar_void TCG_CALL_DUMMY_ARG
+#define dh_retvar_noreturn TCG_CALL_DUMMY_ARG
+#define dh_retvar_i32 GET_TCGV_i32(retval)
+#define dh_retvar_i64 GET_TCGV_i64(retval)
+#define dh_retvar_ptr GET_TCGV_ptr(retval)
+#define dh_retvar(t) glue(dh_retvar_, dh_alias(t))
+
+#define dh_is_64bit_void 0
+#define dh_is_64bit_noreturn 0
+#define dh_is_64bit_i32 0
+#define dh_is_64bit_i64 1
+#define dh_is_64bit_ptr (sizeof(void *) == 8)
+#define dh_is_64bit(t) glue(dh_is_64bit_, dh_alias(t))
+
+#define dh_is_signed_void 0
+#define dh_is_signed_noreturn 0
+#define dh_is_signed_i32 0
+#define dh_is_signed_s32 1
+#define dh_is_signed_i64 0
+#define dh_is_signed_s64 1
+#define dh_is_signed_f32 0
+#define dh_is_signed_f64 0
+#define dh_is_signed_tl  0
+#define dh_is_signed_int 1
+/* ??? This is highly specific to the host cpu.  There are even special
+   extension instructions that may be required, e.g. ia64's addp4.  But
+   for now we don't support any 64-bit targets with 32-bit pointers.  */
+#define dh_is_signed_ptr 0
+#define dh_is_signed_env dh_is_signed_ptr
+#define dh_is_signed(t) dh_is_signed_##t
+
+#define dh_sizemask(t, n) \
+  sizemask |= dh_is_64bit(t) << (n*2); \
+  sizemask |= dh_is_signed(t) << (n*2+1)
+
+#define dh_arg(t, n) \
+  args[n - 1] = glue(GET_TCGV_, dh_alias(t))(glue(arg, n)); \
+  dh_sizemask(t, n)
+
+#define dh_arg_decl(t, n) glue(TCGv_, dh_alias(t)) glue(arg, n)
+
+#define DEF_HELPER_0(name, ret) \
+    DEF_HELPER_FLAGS_0(name, 0, ret)
+#define DEF_HELPER_1(name, ret, t1) \
+    DEF_HELPER_FLAGS_1(name, 0, ret, t1)
+#define DEF_HELPER_2(name, ret, t1, t2) \
+    DEF_HELPER_FLAGS_2(name, 0, ret, t1, t2)
+#define DEF_HELPER_3(name, ret, t1, t2, t3) \
+    DEF_HELPER_FLAGS_3(name, 0, ret, t1, t2, t3)
+#define DEF_HELPER_4(name, ret, t1, t2, t3, t4) \
+    DEF_HELPER_FLAGS_4(name, 0, ret, t1, t2, t3, t4)
+#define DEF_HELPER_5(name, ret, t1, t2, t3, t4, t5) \
+    DEF_HELPER_FLAGS_5(name, 0, ret, t1, t2, t3, t4, t5)
+
+/* MAX_OPC_PARAM_IARGS must be set to n if last entry is DEF_HELPER_FLAGS_n. */
+
+#endif /* DEF_HELPER_H */
diff --git a/include/exec/helper-proto.h b/include/exec/helper-proto.h
new file mode 100644
index 0000000..88d3543
--- /dev/null
+++ b/include/exec/helper-proto.h
@@ -0,0 +1,38 @@
+/* Helper file for declaring TCG helper functions.
+   This one expands prototypes for the helper functions.  */
+
+#ifndef HELPER_PROTO_H
+#define HELPER_PROTO_H 1
+
+#include <exec/helper-head.h>
+
+#define DEF_HELPER_FLAGS_0(name, flags, ret) \
+dh_ctype(ret) HELPER(name) (void);
+
+#define DEF_HELPER_FLAGS_1(name, flags, ret, t1) \
+dh_ctype(ret) HELPER(name) (dh_ctype(t1));
+
+#define DEF_HELPER_FLAGS_2(name, flags, ret, t1, t2) \
+dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2));
+
+#define DEF_HELPER_FLAGS_3(name, flags, ret, t1, t2, t3) \
+dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3));
+
+#define DEF_HELPER_FLAGS_4(name, flags, ret, t1, t2, t3, t4) \
+dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3), \
+                                   dh_ctype(t4));
+
+#define DEF_HELPER_FLAGS_5(name, flags, ret, t1, t2, t3, t4, t5) \
+dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3), \
+                            dh_ctype(t4), dh_ctype(t5));
+
+#include "helper.h"
+
+#undef DEF_HELPER_FLAGS_0
+#undef DEF_HELPER_FLAGS_1
+#undef DEF_HELPER_FLAGS_2
+#undef DEF_HELPER_FLAGS_3
+#undef DEF_HELPER_FLAGS_4
+#undef DEF_HELPER_FLAGS_5
+
+#endif /* HELPER_PROTO_H */
diff --git a/include/exec/helper-tcg.h b/include/exec/helper-tcg.h
new file mode 100644
index 0000000..9be5429
--- /dev/null
+++ b/include/exec/helper-tcg.h
@@ -0,0 +1,35 @@
+/* Helper file for declaring TCG helper functions.
+   This one defines data structures private to tcg.c.  */
+
+#ifndef HELPER_TCG_H
+#define HELPER_TCG_H 1
+
+#include <exec/helper-head.h>
+
+#define DEF_HELPER_FLAGS_0(name, flags, ret)  { HELPER(name), #name },
+
+#define DEF_HELPER_FLAGS_1(name, flags, ret, t1) \
+DEF_HELPER_FLAGS_0(name, flags, ret)
+
+#define DEF_HELPER_FLAGS_2(name, flags, ret, t1, t2) \
+DEF_HELPER_FLAGS_0(name, flags, ret)
+
+#define DEF_HELPER_FLAGS_3(name, flags, ret, t1, t2, t3) \
+DEF_HELPER_FLAGS_0(name, flags, ret)
+
+#define DEF_HELPER_FLAGS_4(name, flags, ret, t1, t2, t3, t4) \
+DEF_HELPER_FLAGS_0(name, flags, ret)
+
+#define DEF_HELPER_FLAGS_5(name, flags, ret, t1, t2, t3, t4, t5) \
+DEF_HELPER_FLAGS_0(name, flags, ret)
+
+#include "helper.h"
+
+#undef DEF_HELPER_FLAGS_0
+#undef DEF_HELPER_FLAGS_1
+#undef DEF_HELPER_FLAGS_2
+#undef DEF_HELPER_FLAGS_3
+#undef DEF_HELPER_FLAGS_4
+#undef DEF_HELPER_FLAGS_5
+
+#endif /* HELPER_TCG_H */
diff --git a/target-alpha/fpu_helper.c b/target-alpha/fpu_helper.c
index ee73155..d2d776c 100644
--- a/target-alpha/fpu_helper.c
+++ b/target-alpha/fpu_helper.c
@@ -18,7 +18,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "fpu/softfloat.h"
 
 #define FP_STATUS (env->fp_status)
diff --git a/target-alpha/helper.c b/target-alpha/helper.c
index cbd03c4..7c053a3 100644
--- a/target-alpha/helper.c
+++ b/target-alpha/helper.c
@@ -23,7 +23,7 @@
 
 #include "cpu.h"
 #include "fpu/softfloat.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 uint64_t cpu_alpha_load_fpcr (CPUAlphaState *env)
 {
diff --git a/target-alpha/helper.h b/target-alpha/helper.h
index 2389e96..a451cfe 100644
--- a/target-alpha/helper.h
+++ b/target-alpha/helper.h
@@ -1,5 +1,3 @@
-#include "exec/def-helper.h"
-
 DEF_HELPER_3(excp, noreturn, env, int, int)
 DEF_HELPER_FLAGS_1(load_pcc, TCG_CALL_NO_RWG_SE, i64, env)
 
@@ -121,5 +119,3 @@
 DEF_HELPER_FLAGS_0(get_walltime, TCG_CALL_NO_RWG, i64)
 DEF_HELPER_FLAGS_2(set_alarm, TCG_CALL_NO_RWG, void, env, i64)
 #endif
-
-#include "exec/def-helper.h"
diff --git a/target-alpha/int_helper.c b/target-alpha/int_helper.c
index 51ccd41..7a205eb 100644
--- a/target-alpha/int_helper.c
+++ b/target-alpha/int_helper.c
@@ -18,7 +18,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "qemu/host-utils.h"
 
 
diff --git a/target-alpha/mem_helper.c b/target-alpha/mem_helper.c
index 5964bdc..ef6b705 100644
--- a/target-alpha/mem_helper.c
+++ b/target-alpha/mem_helper.c
@@ -18,7 +18,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 
 /* Softmmu support */
diff --git a/target-alpha/sys_helper.c b/target-alpha/sys_helper.c
index 187ccf7..ae2e174 100644
--- a/target-alpha/sys_helper.c
+++ b/target-alpha/sys_helper.c
@@ -18,7 +18,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "sysemu/sysemu.h"
 #include "qemu/timer.h"
 
diff --git a/target-alpha/translate.c b/target-alpha/translate.c
index 91c3ed1..e31d56c 100644
--- a/target-alpha/translate.c
+++ b/target-alpha/translate.c
@@ -22,9 +22,8 @@
 #include "qemu/host-utils.h"
 #include "tcg-op.h"
 
-#include "helper.h"
-#define GEN_HELPER 1
-#include "helper.h"
+#include "exec/helper-proto.h"
+#include "exec/helper-gen.h"
 
 #undef ALPHA_DEBUG_DISAS
 #define CONFIG_SOFTFLOAT_INLINE
diff --git a/target-arm/crypto_helper.c b/target-arm/crypto_helper.c
index f94be69..d8898ed 100644
--- a/target-arm/crypto_helper.c
+++ b/target-arm/crypto_helper.c
@@ -13,7 +13,7 @@
 
 #include "cpu.h"
 #include "exec/exec-all.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 union AES_STATE {
     uint8_t    bytes[16];
diff --git a/target-arm/helper-a64.c b/target-arm/helper-a64.c
index b970fd1..cccda74 100644
--- a/target-arm/helper-a64.c
+++ b/target-arm/helper-a64.c
@@ -19,7 +19,7 @@
 
 #include "cpu.h"
 #include "exec/gdbstub.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "qemu/host-utils.h"
 #include "sysemu/sysemu.h"
 #include "qemu/bitops.h"
diff --git a/target-arm/helper.c b/target-arm/helper.c
index 6a01c6a..ec031f5 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -1,7 +1,7 @@
 #include "cpu.h"
 #include "internals.h"
 #include "exec/gdbstub.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "qemu/host-utils.h"
 #include "sysemu/arch_init.h"
 #include "sysemu/sysemu.h"
diff --git a/target-arm/helper.h b/target-arm/helper.h
index a5449e7..b63fd0f 100644
--- a/target-arm/helper.h
+++ b/target-arm/helper.h
@@ -1,5 +1,3 @@
-#include "exec/def-helper.h"
-
 DEF_HELPER_FLAGS_1(clz, TCG_CALL_NO_RWG_SE, i32, i32)
 DEF_HELPER_FLAGS_1(sxtb16, TCG_CALL_NO_RWG_SE, i32, i32)
 DEF_HELPER_FLAGS_1(uxtb16, TCG_CALL_NO_RWG_SE, i32, i32)
@@ -521,5 +519,3 @@
 #ifdef TARGET_AARCH64
 #include "helper-a64.h"
 #endif
-
-#include "exec/def-helper.h"
diff --git a/target-arm/iwmmxt_helper.c b/target-arm/iwmmxt_helper.c
index e6cfa62..398cbcb 100644
--- a/target-arm/iwmmxt_helper.c
+++ b/target-arm/iwmmxt_helper.c
@@ -24,7 +24,7 @@
 
 #include "cpu.h"
 #include "exec/exec-all.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 /* iwMMXt macros extracted from GNU gdb.  */
 
diff --git a/target-arm/neon_helper.c b/target-arm/neon_helper.c
index 8d6f9a9..492e500 100644
--- a/target-arm/neon_helper.c
+++ b/target-arm/neon_helper.c
@@ -11,7 +11,7 @@
 
 #include "cpu.h"
 #include "exec/exec-all.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 #define SIGNBIT (uint32_t)0x80000000
 #define SIGNBIT64 ((uint64_t)1 << 63)
diff --git a/target-arm/op_helper.c b/target-arm/op_helper.c
index 50a4157..b28f694 100644
--- a/target-arm/op_helper.c
+++ b/target-arm/op_helper.c
@@ -17,7 +17,7 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "internals.h"
 
 #define SIGNBIT (uint32_t)0x80000000
diff --git a/target-arm/translate-a64.c b/target-arm/translate-a64.c
index ec6a39d..9f964df 100644
--- a/target-arm/translate-a64.c
+++ b/target-arm/translate-a64.c
@@ -31,9 +31,8 @@
 
 #include "exec/gen-icount.h"
 
-#include "helper.h"
-#define GEN_HELPER 1
-#include "helper.h"
+#include "exec/helper-proto.h"
+#include "exec/helper-gen.h"
 
 static TCGv_i64 cpu_X[32];
 static TCGv_i64 cpu_pc;
diff --git a/target-arm/translate.c b/target-arm/translate.c
index c2dfbfe..7f6fcd6 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -31,9 +31,8 @@
 #include "qemu/log.h"
 #include "qemu/bitops.h"
 
-#include "helper.h"
-#define GEN_HELPER 1
-#include "helper.h"
+#include "exec/helper-proto.h"
+#include "exec/helper-gen.h"
 
 #define ENABLE_ARCH_4T    arm_feature(env, ARM_FEATURE_V4T)
 #define ENABLE_ARCH_5     arm_feature(env, ARM_FEATURE_V5)
diff --git a/target-cris/helper.h b/target-cris/helper.h
index 0ac31f5..0b383b2 100644
--- a/target-cris/helper.h
+++ b/target-cris/helper.h
@@ -1,5 +1,3 @@
-#include "exec/def-helper.h"
-
 DEF_HELPER_2(raise_exception, void, env, i32)
 DEF_HELPER_2(tlb_flush_pid, void, env, i32)
 DEF_HELPER_2(spc_write, void, env, i32)
@@ -25,5 +23,3 @@
 DEF_HELPER_FLAGS_3(evaluate_flags_move_2, TCG_CALL_NO_SE, i32, env, i32, i32)
 DEF_HELPER_1(evaluate_flags, void, env)
 DEF_HELPER_1(top_evaluate_flags, void, env)
-
-#include "exec/def-helper.h"
diff --git a/target-cris/op_helper.c b/target-cris/op_helper.c
index bd9a583..a9bd742 100644
--- a/target-cris/op_helper.c
+++ b/target-cris/op_helper.c
@@ -20,7 +20,7 @@
 
 #include "cpu.h"
 #include "mmu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "qemu/host-utils.h"
 
 //#define CRIS_OP_HELPER_DEBUG
diff --git a/target-cris/translate.c b/target-cris/translate.c
index 724f920..90fe0a2 100644
--- a/target-cris/translate.c
+++ b/target-cris/translate.c
@@ -26,12 +26,11 @@
 #include "cpu.h"
 #include "disas/disas.h"
 #include "tcg-op.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "mmu.h"
 #include "crisv32-decode.h"
 
-#define GEN_HELPER 1
-#include "helper.h"
+#include "exec/helper-gen.h"
 
 #define DISAS_CRIS 0
 #if DISAS_CRIS
diff --git a/target-i386/cc_helper.c b/target-i386/cc_helper.c
index 05dd12b..ecbf0ec 100644
--- a/target-i386/cc_helper.c
+++ b/target-i386/cc_helper.c
@@ -18,7 +18,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 const uint8_t parity_table[256] = {
     CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0,
diff --git a/target-i386/excp_helper.c b/target-i386/excp_helper.c
index f337fd2..99fca84 100644
--- a/target-i386/excp_helper.c
+++ b/target-i386/excp_helper.c
@@ -20,7 +20,7 @@
 #include "cpu.h"
 #include "qemu/log.h"
 #include "sysemu/sysemu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 #if 0
 #define raise_exception_err(env, a, b)                                  \
diff --git a/target-i386/fpu_helper.c b/target-i386/fpu_helper.c
index de7ba76..a04e754 100644
--- a/target-i386/fpu_helper.c
+++ b/target-i386/fpu_helper.c
@@ -19,7 +19,7 @@
 
 #include <math.h>
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "qemu/aes.h"
 #include "qemu/host-utils.h"
 
diff --git a/target-i386/helper.h b/target-i386/helper.h
index 3775abe..8eb0145 100644
--- a/target-i386/helper.h
+++ b/target-i386/helper.h
@@ -1,5 +1,3 @@
-#include "exec/def-helper.h"
-
 DEF_HELPER_FLAGS_4(cc_compute_all, TCG_CALL_NO_RWG_SE, tl, tl, tl, tl, int)
 DEF_HELPER_FLAGS_4(cc_compute_c, TCG_CALL_NO_RWG_SE, tl, tl, tl, tl, int)
 
@@ -219,5 +217,3 @@
 DEF_HELPER_3(rclq, tl, env, tl, tl)
 DEF_HELPER_3(rcrq, tl, env, tl, tl)
 #endif
-
-#include "exec/def-helper.h"
diff --git a/target-i386/int_helper.c b/target-i386/int_helper.c
index 0555318..b0d78e6 100644
--- a/target-i386/int_helper.c
+++ b/target-i386/int_helper.c
@@ -19,7 +19,7 @@
 
 #include "cpu.h"
 #include "qemu/host-utils.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 //#define DEBUG_MULDIV
 
diff --git a/target-i386/mem_helper.c b/target-i386/mem_helper.c
index b3b811b..83aa103 100644
--- a/target-i386/mem_helper.c
+++ b/target-i386/mem_helper.c
@@ -18,7 +18,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 #if !defined(CONFIG_USER_ONLY)
 #include "exec/softmmu_exec.h"
diff --git a/target-i386/misc_helper.c b/target-i386/misc_helper.c
index 1e2da1e..9cfa25f 100644
--- a/target-i386/misc_helper.c
+++ b/target-i386/misc_helper.c
@@ -19,7 +19,7 @@
 
 #include "cpu.h"
 #include "exec/ioport.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 #if !defined(CONFIG_USER_ONLY)
 #include "exec/softmmu_exec.h"
diff --git a/target-i386/seg_helper.c b/target-i386/seg_helper.c
index 3cf862e..258aae8 100644
--- a/target-i386/seg_helper.c
+++ b/target-i386/seg_helper.c
@@ -20,7 +20,7 @@
 
 #include "cpu.h"
 #include "qemu/log.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 //#define DEBUG_PCALL
 
diff --git a/target-i386/smm_helper.c b/target-i386/smm_helper.c
index 4841d53..5d7697c 100644
--- a/target-i386/smm_helper.c
+++ b/target-i386/smm_helper.c
@@ -18,7 +18,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 /* SMM support */
 
diff --git a/target-i386/svm_helper.c b/target-i386/svm_helper.c
index 846eaa5..852e2ba 100644
--- a/target-i386/svm_helper.c
+++ b/target-i386/svm_helper.c
@@ -19,7 +19,7 @@
 
 #include "cpu.h"
 #include "exec/cpu-all.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 #if !defined(CONFIG_USER_ONLY)
 #include "exec/softmmu_exec.h"
diff --git a/target-i386/translate.c b/target-i386/translate.c
index 032b0fd..3aa52eb 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -28,9 +28,8 @@
 #include "disas/disas.h"
 #include "tcg-op.h"
 
-#include "helper.h"
-#define GEN_HELPER 1
-#include "helper.h"
+#include "exec/helper-proto.h"
+#include "exec/helper-gen.h"
 
 #define PREFIX_REPZ   0x01
 #define PREFIX_REPNZ  0x02
diff --git a/target-lm32/helper.h b/target-lm32/helper.h
index f4442e0..445578c 100644
--- a/target-lm32/helper.h
+++ b/target-lm32/helper.h
@@ -1,5 +1,3 @@
-#include "exec/def-helper.h"
-
 DEF_HELPER_2(raise_exception, void, env, i32)
 DEF_HELPER_1(hlt, void, env)
 DEF_HELPER_3(wcsr_bp, void, env, i32, i32)
@@ -14,5 +12,3 @@
 DEF_HELPER_1(rcsr_jtx, i32, env)
 DEF_HELPER_1(rcsr_jrx, i32, env)
 DEF_HELPER_1(ill, void, env)
-
-#include "exec/def-helper.h"
diff --git a/target-lm32/lm32-semi.c b/target-lm32/lm32-semi.c
index fc9d2d1..ec6524f 100644
--- a/target-lm32/lm32-semi.c
+++ b/target-lm32/lm32-semi.c
@@ -15,7 +15,7 @@
 #include <string.h>
 #include <stddef.h>
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "qemu/log.h"
 #include "exec/softmmu-semi.h"
 
diff --git a/target-lm32/op_helper.c b/target-lm32/op_helper.c
index 2f36b7b..40fbed6 100644
--- a/target-lm32/op_helper.c
+++ b/target-lm32/op_helper.c
@@ -1,6 +1,6 @@
 #include <assert.h>
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "qemu/host-utils.h"
 
 #include "hw/lm32/lm32_pic.h"
diff --git a/target-lm32/translate.c b/target-lm32/translate.c
index c8abd1f..51eca06 100644
--- a/target-lm32/translate.c
+++ b/target-lm32/translate.c
@@ -19,13 +19,12 @@
 
 #include "cpu.h"
 #include "disas/disas.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "tcg-op.h"
 
 #include "hw/lm32/lm32_pic.h"
 
-#define GEN_HELPER 1
-#include "helper.h"
+#include "exec/helper-gen.h"
 
 #define DISAS_LM32 1
 #if DISAS_LM32
diff --git a/target-m68k/helper.c b/target-m68k/helper.c
index 077b653..8be9745 100644
--- a/target-m68k/helper.c
+++ b/target-m68k/helper.c
@@ -21,7 +21,7 @@
 #include "cpu.h"
 #include "exec/gdbstub.h"
 
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 #define SIGNBIT (1u << 31)
 
diff --git a/target-m68k/helper.h b/target-m68k/helper.h
index 2b02450..f4e5fdf 100644
--- a/target-m68k/helper.h
+++ b/target-m68k/helper.h
@@ -1,5 +1,3 @@
-#include "exec/def-helper.h"
-
 DEF_HELPER_1(bitrev, i32, i32)
 DEF_HELPER_1(ff1, i32, i32)
 DEF_HELPER_2(sats, i32, i32, i32)
@@ -50,5 +48,3 @@
 
 DEF_HELPER_2(flush_flags, void, env, i32)
 DEF_HELPER_2(raise_exception, void, env, i32)
-
-#include "exec/def-helper.h"
diff --git a/target-m68k/op_helper.c b/target-m68k/op_helper.c
index 06302b1..f1ac139 100644
--- a/target-m68k/op_helper.c
+++ b/target-m68k/op_helper.c
@@ -17,7 +17,7 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 #if defined(CONFIG_USER_ONLY)
 
diff --git a/target-m68k/translate.c b/target-m68k/translate.c
index cd66289..fa248d9 100644
--- a/target-m68k/translate.c
+++ b/target-m68k/translate.c
@@ -23,9 +23,8 @@
 #include "tcg-op.h"
 #include "qemu/log.h"
 
-#include "helper.h"
-#define GEN_HELPER 1
-#include "helper.h"
+#include "exec/helper-proto.h"
+#include "exec/helper-gen.h"
 
 //#define DEBUG_DISPATCH 1
 
diff --git a/target-microblaze/helper.h b/target-microblaze/helper.h
index 4e51429..bd13826 100644
--- a/target-microblaze/helper.h
+++ b/target-microblaze/helper.h
@@ -1,5 +1,3 @@
-#include "exec/def-helper.h"
-
 DEF_HELPER_2(raise_exception, void, env, i32)
 DEF_HELPER_1(debug, void, env)
 DEF_HELPER_FLAGS_3(carry, TCG_CALL_NO_RWG_SE, i32, i32, i32, i32)
@@ -37,5 +35,3 @@
 
 DEF_HELPER_2(get, i32, i32, i32)
 DEF_HELPER_3(put, void, i32, i32, i32)
-
-#include "exec/def-helper.h"
diff --git a/target-microblaze/op_helper.c b/target-microblaze/op_helper.c
index f8fb7f9..b24b878 100644
--- a/target-microblaze/op_helper.c
+++ b/target-microblaze/op_helper.c
@@ -20,7 +20,7 @@
 
 #include <assert.h>
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "qemu/host-utils.h"
 
 #define D(x)
diff --git a/target-microblaze/translate.c b/target-microblaze/translate.c
index 782a489..488df2d 100644
--- a/target-microblaze/translate.c
+++ b/target-microblaze/translate.c
@@ -21,11 +21,9 @@
 #include "cpu.h"
 #include "disas/disas.h"
 #include "tcg-op.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "microblaze-decode.h"
-
-#define GEN_HELPER 1
-#include "helper.h"
+#include "exec/helper-gen.h"
 
 #define SIM_COMPAT 0
 #define DISAS_GNU 1
diff --git a/target-mips/dsp_helper.c b/target-mips/dsp_helper.c
index a2f46d9..94083fb 100644
--- a/target-mips/dsp_helper.c
+++ b/target-mips/dsp_helper.c
@@ -18,7 +18,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "qemu/bitops.h"
 
 /* As the byte ordering doesn't matter, i.e. all columns are treated
diff --git a/target-mips/helper.h b/target-mips/helper.h
index 8c7921a..74ef094 100644
--- a/target-mips/helper.h
+++ b/target-mips/helper.h
@@ -1,5 +1,3 @@
-#include "exec/def-helper.h"
-
 DEF_HELPER_3(raise_exception_err, noreturn, env, i32, int)
 DEF_HELPER_2(raise_exception, noreturn, env, i32)
 
@@ -691,7 +689,3 @@
 #endif
 DEF_HELPER_FLAGS_3(wrdsp, 0, void, tl, tl, env)
 DEF_HELPER_FLAGS_2(rddsp, 0, tl, tl, env)
-
-
-
-#include "exec/def-helper.h"
diff --git a/target-mips/lmi_helper.c b/target-mips/lmi_helper.c
index 1b24353..bbfcd59 100644
--- a/target-mips/lmi_helper.c
+++ b/target-mips/lmi_helper.c
@@ -18,7 +18,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 /* If the byte ordering doesn't matter, i.e. all columns are treated
    identically, then this union can be used directly.  If byte ordering
diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c
index 4edec6c..8af931a 100644
--- a/target-mips/op_helper.c
+++ b/target-mips/op_helper.c
@@ -20,7 +20,7 @@
 #include "cpu.h"
 #include "qemu/host-utils.h"
 
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 #if !defined(CONFIG_USER_ONLY)
 #include "exec/softmmu_exec.h"
diff --git a/target-mips/translate.c b/target-mips/translate.c
index 05f82d2..13cf29b 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -25,9 +25,8 @@
 #include "disas/disas.h"
 #include "tcg-op.h"
 
-#include "helper.h"
-#define GEN_HELPER 1
-#include "helper.h"
+#include "exec/helper-proto.h"
+#include "exec/helper-gen.h"
 
 #define MIPS_DEBUG_DISAS 0
 //#define MIPS_DEBUG_SIGN_EXTENSIONS
diff --git a/target-moxie/helper.c b/target-moxie/helper.c
index 3d0c34d..d1efded 100644
--- a/target-moxie/helper.c
+++ b/target-moxie/helper.c
@@ -27,7 +27,7 @@
 #include "exec/exec-all.h"
 #include "exec/softmmu_exec.h"
 #include "qemu/host-utils.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 #define MMUSUFFIX _mmu
 
diff --git a/target-moxie/helper.h b/target-moxie/helper.h
index 3aa5549..d94ef7a 100644
--- a/target-moxie/helper.h
+++ b/target-moxie/helper.h
@@ -1,9 +1,5 @@
-#include "exec/def-helper.h"
-
 DEF_HELPER_2(raise_exception, void, env, int)
 DEF_HELPER_1(debug, void, env)
 
 DEF_HELPER_FLAGS_3(div, TCG_CALL_NO_WG, i32, env, i32, i32)
 DEF_HELPER_FLAGS_3(udiv, TCG_CALL_NO_WG, i32, env, i32, i32)
-
-#include "exec/def-helper.h"
diff --git a/target-moxie/translate.c b/target-moxie/translate.c
index 63f889f..7f0dfb6 100644
--- a/target-moxie/translate.c
+++ b/target-moxie/translate.c
@@ -33,9 +33,8 @@
 #include "disas/disas.h"
 #include "tcg-op.h"
 
-#include "helper.h"
-#define GEN_HELPER 1
-#include "helper.h"
+#include "exec/helper-proto.h"
+#include "exec/helper-gen.h"
 
 /* This is the state at translation time.  */
 typedef struct DisasContext {
diff --git a/target-openrisc/exception_helper.c b/target-openrisc/exception_helper.c
index 0c53b77..6093953 100644
--- a/target-openrisc/exception_helper.c
+++ b/target-openrisc/exception_helper.c
@@ -18,7 +18,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "exception.h"
 
 void HELPER(exception)(CPUOpenRISCState *env, uint32_t excp)
diff --git a/target-openrisc/fpu_helper.c b/target-openrisc/fpu_helper.c
index 4615a36..c94ed35 100644
--- a/target-openrisc/fpu_helper.c
+++ b/target-openrisc/fpu_helper.c
@@ -19,7 +19,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "exception.h"
 
 static inline uint32_t ieee_ex_to_openrisc(OpenRISCCPU *cpu, int fexcp)
diff --git a/target-openrisc/helper.h b/target-openrisc/helper.h
index 2af9790..f53fa21 100644
--- a/target-openrisc/helper.h
+++ b/target-openrisc/helper.h
@@ -17,8 +17,6 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "exec/def-helper.h"
-
 /* exception */
 DEF_HELPER_FLAGS_2(exception, 0, void, env, i32)
 
@@ -66,5 +64,3 @@
 /* sys */
 DEF_HELPER_FLAGS_4(mtspr, 0, void, env, tl, tl, tl)
 DEF_HELPER_FLAGS_4(mfspr, 0, tl, env, tl, tl, tl)
-
-#include "exec/def-helper.h"
diff --git a/target-openrisc/int_helper.c b/target-openrisc/int_helper.c
index 16cb5ab..6e27aeb 100644
--- a/target-openrisc/int_helper.c
+++ b/target-openrisc/int_helper.c
@@ -19,7 +19,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "exception.h"
 #include "qemu/host-utils.h"
 
diff --git a/target-openrisc/interrupt_helper.c b/target-openrisc/interrupt_helper.c
index 8194057..55a780c 100644
--- a/target-openrisc/interrupt_helper.c
+++ b/target-openrisc/interrupt_helper.c
@@ -19,7 +19,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 void HELPER(rfe)(CPUOpenRISCState *env)
 {
diff --git a/target-openrisc/sys_helper.c b/target-openrisc/sys_helper.c
index fedcbed..53ca6bc 100644
--- a/target-openrisc/sys_helper.c
+++ b/target-openrisc/sys_helper.c
@@ -19,7 +19,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 #define TO_SPR(group, number) (((group) << 11) + (number))
 
diff --git a/target-openrisc/translate.c b/target-openrisc/translate.c
index 852b5e6..40084f9 100644
--- a/target-openrisc/translate.c
+++ b/target-openrisc/translate.c
@@ -27,9 +27,8 @@
 #include "config.h"
 #include "qemu/bitops.h"
 
-#include "helper.h"
-#define GEN_HELPER 1
-#include "helper.h"
+#include "exec/helper-proto.h"
+#include "exec/helper-gen.h"
 
 #define OPENRISC_DISAS
 
diff --git a/target-ppc/excp_helper.c b/target-ppc/excp_helper.c
index 4fa297d..a0c9fdc 100644
--- a/target-ppc/excp_helper.c
+++ b/target-ppc/excp_helper.c
@@ -17,7 +17,7 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 #include "helper_regs.h"
 
diff --git a/target-ppc/fpu_helper.c b/target-ppc/fpu_helper.c
index c6f484f..cd8f015 100644
--- a/target-ppc/fpu_helper.c
+++ b/target-ppc/fpu_helper.c
@@ -17,7 +17,7 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 /*****************************************************************************/
 /* Floating point operations helpers */
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index 99f10de..08f3916 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -1,5 +1,3 @@
-#include "exec/def-helper.h"
-
 DEF_HELPER_3(raise_exception_err, void, env, i32, i32)
 DEF_HELPER_2(raise_exception, void, env, i32)
 DEF_HELPER_4(tw, void, env, tl, tl, i32)
@@ -613,5 +611,3 @@
 DEF_HELPER_3(store_601_batl, void, env, i32, tl)
 DEF_HELPER_3(store_601_batu, void, env, i32, tl)
 #endif
-
-#include "exec/def-helper.h"
diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c
index 18b54f0..588f6a9 100644
--- a/target-ppc/int_helper.c
+++ b/target-ppc/int_helper.c
@@ -18,7 +18,7 @@
  */
 #include "cpu.h"
 #include "qemu/host-utils.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 #include "helper_regs.h"
 /*****************************************************************************/
diff --git a/target-ppc/mem_helper.c b/target-ppc/mem_helper.c
index f35ed03..d9c8c36 100644
--- a/target-ppc/mem_helper.c
+++ b/target-ppc/mem_helper.c
@@ -18,7 +18,7 @@
  */
 #include "cpu.h"
 #include "qemu/host-utils.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 #include "helper_regs.h"
 
diff --git a/target-ppc/misc_helper.c b/target-ppc/misc_helper.c
index 2eb2fa6..7331b1b 100644
--- a/target-ppc/misc_helper.c
+++ b/target-ppc/misc_helper.c
@@ -17,7 +17,7 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 #include "helper_regs.h"
 
diff --git a/target-ppc/mmu-hash32.c b/target-ppc/mmu-hash32.c
index 1cc1916..0a13a81 100644
--- a/target-ppc/mmu-hash32.c
+++ b/target-ppc/mmu-hash32.c
@@ -19,7 +19,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "sysemu/kvm.h"
 #include "kvm_ppc.h"
 #include "mmu-hash32.h"
diff --git a/target-ppc/mmu-hash64.c b/target-ppc/mmu-hash64.c
index 1fefe58..c72198a 100644
--- a/target-ppc/mmu-hash64.c
+++ b/target-ppc/mmu-hash64.c
@@ -18,7 +18,7 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "sysemu/kvm.h"
 #include "kvm_ppc.h"
 #include "mmu-hash64.h"
diff --git a/target-ppc/mmu_helper.c b/target-ppc/mmu_helper.c
index 1771863..a238bb2 100644
--- a/target-ppc/mmu_helper.c
+++ b/target-ppc/mmu_helper.c
@@ -17,7 +17,7 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "sysemu/kvm.h"
 #include "kvm_ppc.h"
 #include "mmu-hash64.h"
diff --git a/target-ppc/timebase_helper.c b/target-ppc/timebase_helper.c
index fad738a..865dcbe 100644
--- a/target-ppc/timebase_helper.c
+++ b/target-ppc/timebase_helper.c
@@ -17,7 +17,7 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 /*****************************************************************************/
 /* SPR accesses */
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index e3fcb03..6283b2c 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -23,9 +23,8 @@
 #include "tcg-op.h"
 #include "qemu/host-utils.h"
 
-#include "helper.h"
-#define GEN_HELPER 1
-#include "helper.h"
+#include "exec/helper-proto.h"
+#include "exec/helper-gen.h"
 
 #define CPU_SINGLE_STEP 0x1
 #define CPU_BRANCH_STEP 0x2
diff --git a/target-s390x/cc_helper.c b/target-s390x/cc_helper.c
index 9e676a5..373eb17 100644
--- a/target-s390x/cc_helper.c
+++ b/target-s390x/cc_helper.c
@@ -19,7 +19,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "qemu/host-utils.h"
 
 /* #define DEBUG_HELPER */
diff --git a/target-s390x/fpu_helper.c b/target-s390x/fpu_helper.c
index 3e9c7b2..d879ad6 100644
--- a/target-s390x/fpu_helper.c
+++ b/target-s390x/fpu_helper.c
@@ -19,7 +19,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 #if !defined(CONFIG_USER_ONLY)
 #include "exec/softmmu_exec.h"
diff --git a/target-s390x/helper.h b/target-s390x/helper.h
index 0d80aa0..faebfd9 100644
--- a/target-s390x/helper.h
+++ b/target-s390x/helper.h
@@ -1,5 +1,3 @@
-#include "exec/def-helper.h"
-
 DEF_HELPER_2(exception, noreturn, env, i32)
 DEF_HELPER_FLAGS_4(nc, TCG_CALL_NO_WG, i32, env, i32, i64, i64)
 DEF_HELPER_FLAGS_4(oc, TCG_CALL_NO_WG, i32, env, i32, i64, i64)
@@ -115,5 +113,3 @@
 DEF_HELPER_2(lra, i64, env, i64)
 DEF_HELPER_FLAGS_3(stura, TCG_CALL_NO_WG, void, env, i64, i64)
 #endif
-
-#include "exec/def-helper.h"
diff --git a/target-s390x/int_helper.c b/target-s390x/int_helper.c
index 6a929ca..cb8dd98 100644
--- a/target-s390x/int_helper.c
+++ b/target-s390x/int_helper.c
@@ -20,7 +20,7 @@
 
 #include "cpu.h"
 #include "qemu/host-utils.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 /* #define DEBUG_HELPER */
 #ifdef DEBUG_HELPER
diff --git a/target-s390x/mem_helper.c b/target-s390x/mem_helper.c
index d8ca300..5a29841 100644
--- a/target-s390x/mem_helper.c
+++ b/target-s390x/mem_helper.c
@@ -19,7 +19,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 /*****************************************************************************/
 /* Softmmu support */
diff --git a/target-s390x/misc_helper.c b/target-s390x/misc_helper.c
index cdbbb79..44c08f3 100644
--- a/target-s390x/misc_helper.c
+++ b/target-s390x/misc_helper.c
@@ -21,7 +21,7 @@
 #include "cpu.h"
 #include "exec/memory.h"
 #include "qemu/host-utils.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include <string.h>
 #include "sysemu/kvm.h"
 #include "qemu/timer.h"
diff --git a/target-s390x/translate.c b/target-s390x/translate.c
index 81b7e33..cf65f01 100644
--- a/target-s390x/translate.c
+++ b/target-s390x/translate.c
@@ -38,9 +38,8 @@
 static TCGv_ptr cpu_env;
 
 #include "exec/gen-icount.h"
-#include "helper.h"
-#define GEN_HELPER 1
-#include "helper.h"
+#include "exec/helper-proto.h"
+#include "exec/helper-gen.h"
 
 
 /* Information that (most) every instruction needs to manipulate.  */
diff --git a/target-sh4/helper.h b/target-sh4/helper.h
index 7162448..3b5c436 100644
--- a/target-sh4/helper.h
+++ b/target-sh4/helper.h
@@ -1,5 +1,3 @@
-#include "exec/def-helper.h"
-
 DEF_HELPER_1(ldtlb, void, env)
 DEF_HELPER_1(raise_illegal_instruction, noreturn, env)
 DEF_HELPER_1(raise_slot_illegal_instruction, noreturn, env)
@@ -46,5 +44,3 @@
 DEF_HELPER_2(ftrc_DT, i32, env, f64)
 DEF_HELPER_3(fipr, void, env, i32, i32)
 DEF_HELPER_2(ftrv, void, env, i32)
-
-#include "exec/def-helper.h"
diff --git a/target-sh4/op_helper.c b/target-sh4/op_helper.c
index 720a97b..39e1e7c 100644
--- a/target-sh4/op_helper.c
+++ b/target-sh4/op_helper.c
@@ -19,7 +19,7 @@
 #include <assert.h>
 #include <stdlib.h>
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 #ifndef CONFIG_USER_ONLY
 #include "exec/softmmu_exec.h"
diff --git a/target-sh4/translate.c b/target-sh4/translate.c
index 2360609..169c87f 100644
--- a/target-sh4/translate.c
+++ b/target-sh4/translate.c
@@ -24,9 +24,8 @@
 #include "disas/disas.h"
 #include "tcg-op.h"
 
-#include "helper.h"
-#define GEN_HELPER 1
-#include "helper.h"
+#include "exec/helper-proto.h"
+#include "exec/helper-gen.h"
 
 typedef struct DisasContext {
     struct TranslationBlock *tb;
diff --git a/target-sparc/cc_helper.c b/target-sparc/cc_helper.c
index 63bab07..35dab73 100644
--- a/target-sparc/cc_helper.c
+++ b/target-sparc/cc_helper.c
@@ -18,7 +18,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 static uint32_t compute_all_flags(CPUSPARCState *env)
 {
diff --git a/target-sparc/fop_helper.c b/target-sparc/fop_helper.c
index f4b62a5..ee4592e 100644
--- a/target-sparc/fop_helper.c
+++ b/target-sparc/fop_helper.c
@@ -18,7 +18,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 #define QT0 (env->qt0)
 #define QT1 (env->qt1)
diff --git a/target-sparc/helper.c b/target-sparc/helper.c
index ae7740b..4850c7c 100644
--- a/target-sparc/helper.c
+++ b/target-sparc/helper.c
@@ -19,7 +19,7 @@
 
 #include "cpu.h"
 #include "qemu/host-utils.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "sysemu/sysemu.h"
 
 void helper_raise_exception(CPUSPARCState *env, int tt)
diff --git a/target-sparc/helper.h b/target-sparc/helper.h
index cd8d3fa..1ad23e8 100644
--- a/target-sparc/helper.h
+++ b/target-sparc/helper.h
@@ -1,5 +1,3 @@
-#include "exec/def-helper.h"
-
 #ifndef TARGET_SPARC64
 DEF_HELPER_1(rett, void, env)
 DEF_HELPER_2(wrpsr, void, env, tl)
@@ -175,5 +173,3 @@
 #undef VIS_CMPHELPER
 DEF_HELPER_1(compute_psr, void, env)
 DEF_HELPER_1(compute_C_icc, i32, env)
-
-#include "exec/def-helper.h"
diff --git a/target-sparc/int64_helper.c b/target-sparc/int64_helper.c
index bf24232..b02d22b 100644
--- a/target-sparc/int64_helper.c
+++ b/target-sparc/int64_helper.c
@@ -18,7 +18,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "trace.h"
 
 #define DEBUG_PCALL
diff --git a/target-sparc/ldst_helper.c b/target-sparc/ldst_helper.c
index ec14802..b6b9866 100644
--- a/target-sparc/ldst_helper.c
+++ b/target-sparc/ldst_helper.c
@@ -18,7 +18,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 //#define DEBUG_MMU
 //#define DEBUG_MXCC
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index 2de1c4a..652a181 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -26,11 +26,10 @@
 
 #include "cpu.h"
 #include "disas/disas.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "tcg-op.h"
 
-#define GEN_HELPER 1
-#include "helper.h"
+#include "exec/helper-gen.h"
 
 #define DEBUG_DISAS
 
diff --git a/target-sparc/vis_helper.c b/target-sparc/vis_helper.c
index 9d2edb0..383cc8b 100644
--- a/target-sparc/vis_helper.c
+++ b/target-sparc/vis_helper.c
@@ -18,7 +18,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 /* This function uses non-native bit order */
 #define GET_FIELD(X, FROM, TO)                                  \
diff --git a/target-sparc/win_helper.c b/target-sparc/win_helper.c
index 3e82eb7..f01ae08 100644
--- a/target-sparc/win_helper.c
+++ b/target-sparc/win_helper.c
@@ -18,7 +18,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "trace.h"
 
 static inline void memcpy32(target_ulong *dst, const target_ulong *src)
diff --git a/target-unicore32/helper.c b/target-unicore32/helper.c
index 169c85c..e5ebbf4 100644
--- a/target-unicore32/helper.c
+++ b/target-unicore32/helper.c
@@ -11,7 +11,7 @@
 
 #include "cpu.h"
 #include "exec/gdbstub.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "qemu/host-utils.h"
 #ifndef CONFIG_USER_ONLY
 #include "ui/console.h"
diff --git a/target-unicore32/helper.h b/target-unicore32/helper.h
index e85ce6c..9418137 100644
--- a/target-unicore32/helper.h
+++ b/target-unicore32/helper.h
@@ -6,7 +6,6 @@
  * published by the Free Software Foundation, or (at your option) any
  * later version. See the COPYING file in the top-level directory.
  */
-#include "exec/def-helper.h"
 
 #ifndef CONFIG_USER_ONLY
 DEF_HELPER_4(cp0_set, void, env, i32, i32, i32)
@@ -64,5 +63,3 @@
 
 DEF_HELPER_2(ucf64_sf2si, f32, f32, env)
 DEF_HELPER_2(ucf64_df2si, f32, f64, env)
-
-#include "exec/def-helper.h"
diff --git a/target-unicore32/op_helper.c b/target-unicore32/op_helper.c
index 4c6950d..4f96ed3 100644
--- a/target-unicore32/op_helper.c
+++ b/target-unicore32/op_helper.c
@@ -9,7 +9,7 @@
  * later version. See the COPYING file in the top-level directory.
  */
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 #define SIGNBIT (uint32_t)0x80000000
 #define SIGNBIT64 ((uint64_t)1 << 63)
diff --git a/target-unicore32/translate.c b/target-unicore32/translate.c
index c2402cf..3cccafe 100644
--- a/target-unicore32/translate.c
+++ b/target-unicore32/translate.c
@@ -19,9 +19,8 @@
 #include "tcg-op.h"
 #include "qemu/log.h"
 
-#include "helper.h"
-#define GEN_HELPER 1
-#include "helper.h"
+#include "exec/helper-proto.h"
+#include "exec/helper-gen.h"
 
 /* internal defines */
 typedef struct DisasContext {
diff --git a/target-unicore32/ucf64_helper.c b/target-unicore32/ucf64_helper.c
index 34fa2a5..0c7ea26 100644
--- a/target-unicore32/ucf64_helper.c
+++ b/target-unicore32/ucf64_helper.c
@@ -9,7 +9,7 @@
  * See the COPYING file in the top-level directory.
  */
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 
 /*
  * The convention used for UniCore-F64 instructions:
diff --git a/target-xtensa/helper.h b/target-xtensa/helper.h
index 322b04c..ed3af0b 100644
--- a/target-xtensa/helper.h
+++ b/target-xtensa/helper.h
@@ -1,5 +1,3 @@
-#include "exec/def-helper.h"
-
 DEF_HELPER_2(exception, noreturn, env, i32)
 DEF_HELPER_3(exception_cause, noreturn, env, i32, i32)
 DEF_HELPER_4(exception_cause_vaddr, noreturn, env, i32, i32, i32)
@@ -58,5 +56,3 @@
 DEF_HELPER_4(ult_s, void, env, i32, f32, f32)
 DEF_HELPER_4(ole_s, void, env, i32, f32, f32)
 DEF_HELPER_4(ule_s, void, env, i32, f32, f32)
-
-#include "exec/def-helper.h"
diff --git a/target-xtensa/op_helper.c b/target-xtensa/op_helper.c
index b531019..01edab4 100644
--- a/target-xtensa/op_helper.c
+++ b/target-xtensa/op_helper.c
@@ -26,7 +26,7 @@
  */
 
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "qemu/host-utils.h"
 #include "exec/softmmu_exec.h"
 #include "exec/address-spaces.h"
diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c
index dda105d..57e56bd 100644
--- a/target-xtensa/translate.c
+++ b/target-xtensa/translate.c
@@ -37,9 +37,8 @@
 #include "qemu/log.h"
 #include "sysemu/sysemu.h"
 
-#include "helper.h"
-#define GEN_HELPER 1
-#include "helper.h"
+#include "exec/helper-proto.h"
+#include "exec/helper-gen.h"
 
 typedef struct DisasContext {
     const XtensaConfig *config;
diff --git a/target-xtensa/xtensa-semi.c b/target-xtensa/xtensa-semi.c
index 424253d..16e9d8c 100644
--- a/target-xtensa/xtensa-semi.c
+++ b/target-xtensa/xtensa-semi.c
@@ -30,7 +30,7 @@
 #include <string.h>
 #include <stddef.h>
 #include "cpu.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
 #include "qemu/log.h"
 
 enum {
diff --git a/tcg/tcg.c b/tcg/tcg.c
index ea8aa70..3100d57 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -307,16 +307,15 @@
     s->pool_current = NULL;
 }
 
-#include "helper.h"
-
 typedef struct TCGHelperInfo {
     void *func;
     const char *name;
 } TCGHelperInfo;
 
+#include "exec/helper-proto.h"
+
 static const TCGHelperInfo all_helpers[] = {
-#define GEN_HELPER 2
-#include "helper.h"
+#include "exec/helper-tcg.h"
 
     /* Include tcg-runtime.c functions.  */
     { tcg_helper_div_i32, "div_i32" },