include: poison symbols in osdep.h

Ensure that all target-independent files ignore poisoned symbols,
and fix the fallout.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

include/exec/cpu-common.h

@@ -7,10 +7,6 @@
 #include "exec/hwaddr.h"
 #endif
 
-#ifndef NEED_CPU_H
-#include "exec/poison.h"
-#endif
-
 #include "qemu/bswap.h"
 #include "qemu/queue.h"
 #include "qemu/fprintf-fn.h"

include/exec/helper-head.h

@@ -33,17 +33,9 @@
 #define dh_alias_s64 i64
 #define dh_alias_f32 i32
 #define dh_alias_f64 i64
-#ifdef TARGET_LONG_BITS
-# if TARGET_LONG_BITS == 32
-#  define dh_alias_tl i32
-# else
-#  define dh_alias_tl i64
-# endif
-#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
@@ -53,13 +45,24 @@
 #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
 
+#ifdef NEED_CPU_H
+# ifdef TARGET_LONG_BITS
+#  if TARGET_LONG_BITS == 32
+#   define dh_alias_tl i32
+#  else
+#   define dh_alias_tl i64
+#  endif
+# endif
+# define dh_alias_env ptr
+# define dh_ctype_tl target_ulong
+# define dh_ctype_env CPUArchState *
+#endif
+
 /* We can't use glue() here because it falls foul of C preprocessor
    recursive expansion rules.  */
 #define dh_retvar_decl0_void void