[v2,4/4] require #define NEED_GLOBAL_ENV for files that need the global register variable

diff --git a/cpu-exec.c b/cpu-exec.c
index 026980a..5d5170f 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -16,7 +16,9 @@ 
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
+
 #include "config.h"
+#define NEED_GLOBAL_ENV
 #include "exec.h"
 #include "disas.h"
 #include "tcg.h"
diff --git a/exec-all.h b/exec-all.h
index a775582..ebe88ad 100644
--- a/exec-all.h
+++ b/exec-all.h
@@ -353,4 +353,8 @@  extern int singlestep;
 /* cpu-exec.c */
 extern volatile sig_atomic_t exit_request;
 
+#ifdef NEED_GLOBAL_ENV
+register CPUState *env asm(AREG0);
+#endif
+
 #endif
diff --git a/target-alpha/exec.h b/target-alpha/exec.h
index a8a38d2..1950f83 100644
--- a/target-alpha/exec.h
+++ b/target-alpha/exec.h
@@ -26,8 +26,6 @@ 
 
 #define TARGET_LONG_BITS 64
 
-register struct CPUAlphaState *env asm(AREG0);
-
 #define FP_STATUS (env->fp_status)
 
 #include "cpu.h"
diff --git a/target-alpha/op_helper.c b/target-alpha/op_helper.c
index ff5ae26..9870d97 100644
--- a/target-alpha/op_helper.c
+++ b/target-alpha/op_helper.c
@@ -17,6 +17,7 @@ 
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
+#define NEED_GLOBAL_ENV
 #include "exec.h"
 #include "host-utils.h"
 #include "softfloat.h"
diff --git a/target-arm/exec.h b/target-arm/exec.h
index e4c35a3..eda5632 100644
--- a/target-arm/exec.h
+++ b/target-arm/exec.h
@@ -19,8 +19,6 @@ 
 #include "config.h"
 #include "dyngen-exec.h"
 
-register struct CPUARMState *env asm(AREG0);
-
 #define M0   env->iwmmxt.val
 
 #include "cpu.h"
diff --git a/target-arm/op_helper.c b/target-arm/op_helper.c
index 9b1a014..235cffc 100644
--- a/target-arm/op_helper.c
+++ b/target-arm/op_helper.c
@@ -16,6 +16,7 @@ 
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
+#define NEED_GLOBAL_ENV
 #include "exec.h"
 #include "helpers.h"
 
diff --git a/target-cris/exec.h b/target-cris/exec.h
index 93ce768..360f45a 100644
--- a/target-cris/exec.h
+++ b/target-cris/exec.h
@@ -19,8 +19,6 @@ 
  */
 #include "dyngen-exec.h"
 
-register struct CPUCRISState *env asm(AREG0);
-
 #include "cpu.h"
 #include "exec-all.h"
 
diff --git a/target-cris/op_helper.c b/target-cris/op_helper.c
index a60da94..8bb3876 100644
--- a/target-cris/op_helper.c
+++ b/target-cris/op_helper.c
@@ -18,6 +18,7 @@ 
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
+#define NEED_GLOBAL_ENV
 #include "exec.h"
 #include "mmu.h"
 #include "helper.h"
diff --git a/target-i386/exec.h b/target-i386/exec.h
index fc8945b..b002805 100644
--- a/target-i386/exec.h
+++ b/target-i386/exec.h
@@ -28,8 +28,6 @@ 
 
 #include "cpu-defs.h"
 
-register struct CPUX86State *env asm(AREG0);
-
 #include "qemu-common.h"
 #include "qemu-log.h"
 
diff --git a/target-i386/op_helper.c b/target-i386/op_helper.c
index 00fc671..05b6340 100644
--- a/target-i386/op_helper.c
+++ b/target-i386/op_helper.c
@@ -17,6 +17,7 @@ 
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
+#define NEED_GLOBAL_ENV
 #include "exec.h"
 #include "exec-all.h"
 #include "host-utils.h"
diff --git a/target-m68k/exec.h b/target-m68k/exec.h
index f31e06e..ac1cf12 100644
--- a/target-m68k/exec.h
+++ b/target-m68k/exec.h
@@ -19,8 +19,6 @@ 
  */
 #include "dyngen-exec.h"
 
-register struct CPUM68KState *env asm(AREG0);
-
 #include "cpu.h"
 #include "exec-all.h"
 
diff --git a/target-m68k/op_helper.c b/target-m68k/op_helper.c
index 0711107..df4489f 100644
--- a/target-m68k/op_helper.c
+++ b/target-m68k/op_helper.c
@@ -16,6 +16,8 @@ 
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
+
+#define NEED_GLOBAL_ENV
 #include "exec.h"
 #include "helpers.h"
 
diff --git a/target-microblaze/exec.h b/target-microblaze/exec.h
index 87b2494..31a14fe 100644
--- a/target-microblaze/exec.h
+++ b/target-microblaze/exec.h
@@ -18,8 +18,6 @@ 
  */
 #include "dyngen-exec.h"
 
-register struct CPUMBState *env asm(AREG0);
-
 #include "cpu.h"
 #include "exec-all.h"
 
diff --git a/target-microblaze/op_helper.c b/target-microblaze/op_helper.c
index be0c829..07992b7 100644
--- a/target-microblaze/op_helper.c
+++ b/target-microblaze/op_helper.c
@@ -17,6 +17,7 @@ 
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
+#define NEED_GLOBAL_ENV
 #include <assert.h>
 #include "exec.h"
 #include "helper.h"
diff --git a/target-mips/exec.h b/target-mips/exec.h
index af61b54..3cb3201 100644
--- a/target-mips/exec.h
+++ b/target-mips/exec.h
@@ -8,8 +8,6 @@ 
 #include "dyngen-exec.h"
 #include "cpu-defs.h"
 
-register struct CPUMIPSState *env asm(AREG0);
-
 #include "cpu.h"
 #include "exec-all.h"
 
diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c
index 8ae510a..f6a6a27 100644
--- a/target-mips/op_helper.c
+++ b/target-mips/op_helper.c
@@ -16,6 +16,8 @@ 
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
+
+#define NEED_GLOBAL_ENV
 #include <stdlib.h>
 #include "exec.h"
 
diff --git a/target-ppc/exec.h b/target-ppc/exec.h
index 44cc5e9..b835273 100644
--- a/target-ppc/exec.h
+++ b/target-ppc/exec.h
@@ -29,8 +29,6 @@ 
 /* Precise emulation is needed to correctly emulate exception flags */
 #define USE_PRECISE_EMULATION 1
 
-register struct CPUPPCState *env asm(AREG0);
-
 #if !defined(CONFIG_USER_ONLY)
 #include "softmmu_exec.h"
 #endif /* !defined(CONFIG_USER_ONLY) */
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index 3c3aa60..a10c233 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -16,6 +16,8 @@ 
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
+
+#define NEED_GLOBAL_ENV
 #include <string.h>
 #include "exec.h"
 #include "host-utils.h"
diff --git a/target-s390x/exec.h b/target-s390x/exec.h
index bf3f264..e87622a 100644
--- a/target-s390x/exec.h
+++ b/target-s390x/exec.h
@@ -19,8 +19,6 @@ 
 
 #include "dyngen-exec.h"
 
-register struct CPUS390XState *env asm(AREG0);
-
 #include "config.h"
 #include "cpu.h"
 #include "exec-all.h"
diff --git a/target-s390x/op_helper.c b/target-s390x/op_helper.c
index 402df2d..a3b66b8 100644
--- a/target-s390x/op_helper.c
+++ b/target-s390x/op_helper.c
@@ -17,6 +17,7 @@ 
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
+#define NEED_GLOBAL_ENV
 #include "exec.h"
 
 /*****************************************************************************/
diff --git a/target-sh4/exec.h b/target-sh4/exec.h
index 2999c02..73c06ad 100644
--- a/target-sh4/exec.h
+++ b/target-sh4/exec.h
@@ -22,8 +22,6 @@ 
 #include "config.h"
 #include "dyngen-exec.h"
 
-register struct CPUSH4State *env asm(AREG0);
-
 #include "cpu.h"
 #include "exec-all.h"
 
diff --git a/target-sh4/op_helper.c b/target-sh4/op_helper.c
index 2e5f555..d29d75e 100644
--- a/target-sh4/op_helper.c
+++ b/target-sh4/op_helper.c
@@ -18,6 +18,8 @@ 
  */
 #include <assert.h>
 #include <stdlib.h>
+
+#define NEED_GLOBAL_ENV
 #include "exec.h"
 #include "helper.h"
 
diff --git a/target-sparc/exec.h b/target-sparc/exec.h
index f811571..db6ed49 100644
--- a/target-sparc/exec.h
+++ b/target-sparc/exec.h
@@ -3,8 +3,6 @@ 
 #include "config.h"
 #include "dyngen-exec.h"
 
-register struct CPUSPARCState *env asm(AREG0);
-
 #include "cpu.h"
 #include "exec-all.h"
 
diff --git a/target-sparc/op_helper.c b/target-sparc/op_helper.c
index be3c1e0..5ad1fac 100644
--- a/target-sparc/op_helper.c
+++ b/target-sparc/op_helper.c
@@ -1,3 +1,4 @@ 
+#define NEED_GLOBAL_ENV
 #include "exec.h"
 #include "host-utils.h"
 #include "helper.h"
-- 
1.7.0.1

 #include <stdlib.h>
 #include "exec.h"
 
diff --git a/target-ppc/exec.h b/target-ppc/exec.h
index 44cc5e9..b835273 100644
--- a/target-ppc/exec.h
+++ b/target-ppc/exec.h
@@ -29,8 +29,6 @@ 
 /* Precise emulation is needed to correctly emulate exception flags */
 #define USE_PRECISE_EMULATION 1
 
-register struct CPUPPCState *env asm(AREG0);
-
 #if !defined(CONFIG_USER_ONLY)
 #include "softmmu_exec.h"
 #endif /* !defined(CONFIG_USER_ONLY) */
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index 3c3aa60..a10c233 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -16,6 +16,8 @@ 
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
+
+#define NEED_GLOBAL_ENV
 #include <string.h>
 #include "exec.h"
 #include "host-utils.h"
diff --git a/target-s390x/exec.h b/target-s390x/exec.h
index bf3f264..e87622a 100644
--- a/target-s390x/exec.h
+++ b/target-s390x/exec.h
@@ -19,8 +19,6 @@ 
 
 #include "dyngen-exec.h"
 
-register struct CPUS390XState *env asm(AREG0);
-
 #include "config.h"
 #include "cpu.h"
 #include "exec-all.h"
diff --git a/target-s390x/op_helper.c b/target-s390x/op_helper.c
index 402df2d..a3b66b8 100644
--- a/target-s390x/op_helper.c
+++ b/target-s390x/op_helper.c
@@ -17,6 +17,7 @@ 
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
+#define NEED_GLOBAL_ENV
 #include "exec.h"
 
 /*****************************************************************************/
diff --git a/target-sh4/exec.h b/target-sh4/exec.h
index 2999c02..73c06ad 100644
--- a/target-sh4/exec.h
+++ b/target-sh4/exec.h
@@ -22,8 +22,6 @@ 
 #include "config.h"
 #include "dyngen-exec.h"
 
-register struct CPUSH4State *env asm(AREG0);
-
 #include "cpu.h"
 #include "exec-all.h"
 
diff --git a/target-sh4/op_helper.c b/target-sh4/op_helper.c
index 2e5f555..d29d75e 100644
--- a/target-sh4/op_helper.c
+++ b/target-sh4/op_helper.c
@@ -18,6 +18,8 @@ 
  */
 #include <assert.h>
 #include <stdlib.h>
+
+#define NEED_GLOBAL_ENV
 #include "exec.h"
 #include "helper.h"
 
diff --git a/target-sparc/exec.h b/target-sparc/exec.h
index f811571..db6ed49 100644
--- a/target-sparc/exec.h
+++ b/target-sparc/exec.h
@@ -3,8 +3,6 @@ 
 #include "config.h"
 #include "dyngen-exec.h"
 
-register struct CPUSPARCState *env asm(AREG0);
-
 #include "cpu.h"
 #include "exec-all.h"
 
diff --git a/target-sparc/op_helper.c b/target-sparc/op_helper.c
index be3c1e0..5ad1fac 100644
--- a/target-sparc/op_helper.c
+++ b/target-sparc/op_helper.c
@@ -1,3 +1,4 @@ 
+#define NEED_GLOBAL_ENV
 #include "exec.h"
 #include "host-utils.h"
 #include "helper.h"