Move GETPC from dyngen-exec.h to exec-all.h

GETPC() can be used even from outside of helper code. Move the macro to
a more accessible location. Avoid a compile warning from redefining it in exec.c.
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

dyngen-exec.h

@@ -57,16 +57,4 @@
 
 register CPUState *env asm(AREG0);
 
-/* The return address may point to the start of the next instruction.
-   Subtracting one gets us the call instruction itself.  */
-#if defined(__s390__) && !defined(__s390x__)
-# define GETPC() ((void*)(((unsigned long)__builtin_return_address(0) & 0x7fffffffUL) - 1))
-#elif defined(__arm__)
-/* Thumb return addresses have the low bit set, so we need to subtract two.
-   This is still safe in ARM mode because instructions are 4 bytes.  */
-# define GETPC() ((void *)((unsigned long)__builtin_return_address(0) - 2))
-#else
-# define GETPC() ((void *)((unsigned long)__builtin_return_address(0) - 1))
-#endif
-
 #endif /* !defined(__DYNGEN_EXEC_H__) */

exec-all.h

@@ -267,6 +267,18 @@ extern spinlock_t tb_lock;
 
 extern int tb_invalidated_flag;
 
+/* The return address may point to the start of the next instruction.
+   Subtracting one gets us the call instruction itself.  */
+#if defined(__s390__) && !defined(__s390x__)
+# define GETPC() ((void*)(((unsigned long)__builtin_return_address(0) & 0x7fffffffUL) - 1))
+#elif defined(__arm__)
+/* Thumb return addresses have the low bit set, so we need to subtract two.
+   This is still safe in ARM mode because instructions are 4 bytes.  */
+# define GETPC() ((void *)((unsigned long)__builtin_return_address(0) - 2))
+#else
+# define GETPC() ((void *)((unsigned long)__builtin_return_address(0) - 1))
+#endif
+
 #if !defined(CONFIG_USER_ONLY)
 
 extern CPUWriteMemoryFunc *io_mem_write[IO_MEM_NB_ENTRIES][4];

exec.c

@@ -4763,6 +4763,7 @@ void dump_exec_info(FILE *f, fprintf_function cpu_fprintf)
 }
 
 #define MMUSUFFIX _cmmu
+#undef GETPC
 #define GETPC() NULL
 #define env cpu_single_env
 #define SOFTMMU_CODE_ACCESS