diff --git a/tcc.c b/tcc.c
index 0c51451..0bcb029 100644
--- a/tcc.c
+++ b/tcc.c
@@ -578,7 +578,11 @@ int main(int argc, char **argv)
             tcc_print_stats(s, getclock_us() - start_time);
 
         if (s->output_type == TCC_OUTPUT_MEMORY) {
+#ifdef TCC_IS_NATIVE
             ret = tcc_run(s, argc - optind, argv + optind);
+#else
+            tcc_error_noabort("-run is not available in a cross compiler");
+#endif
         } else if (s->output_type == TCC_OUTPUT_PREPROCESS) {
              if (s->outfile)
                 fclose(s->outfile);
diff --git a/tcc.h b/tcc.h
index 18a6b91..a5ae144 100644
--- a/tcc.h
+++ b/tcc.h
@@ -49,9 +49,6 @@
 #include <direct.h> /* getcwd */
 #define inline __inline
 #define inp next_inp
-#ifdef _WIN64
-# define uplong unsigned long long
-#endif
 #ifdef LIBTCC_AS_DLL
 # define LIBTCCAPI __declspec(dllexport)
 #endif
@@ -67,17 +64,10 @@
 
 #endif /* !CONFIG_TCCBOOT */
 
-#ifndef uplong
-#define uplong unsigned long
-#endif
-
 #ifndef PAGESIZE
 #define PAGESIZE 4096
 #endif
 
-#include "elf.h"
-#include "stab.h"
-
 #ifndef O_BINARY
 #define O_BINARY 0
 #endif
@@ -86,6 +76,8 @@
 #define SA_SIGINFO 0x00000004u
 #endif
 
+#include "elf.h"
+#include "stab.h"
 #include "libtcc.h"
 
 /* parser debug */
@@ -131,8 +123,26 @@
 #define TCC_TARGET_COFF
 #endif
 
-#if !defined(CONFIG_TCCBOOT)
-#define CONFIG_TCC_BACKTRACE
+/* only native compiler supports -run */
+#if defined _WIN32 == defined TCC_TARGET_PE
+# if (defined __i386__ || defined _X86_) && defined TCC_TARGET_I386
+#  define TCC_IS_NATIVE
+# elif (defined __x86_64__ || defined _AMD64_) && defined TCC_TARGET_X86_64
+#  define TCC_IS_NATIVE
+# elif defined __arm__ && defined TCC_TARGET_ARM
+#  define TCC_IS_NATIVE
+# endif
+#endif
+
+#if defined TCC_IS_NATIVE && !defined CONFIG_TCCBOOT
+# define CONFIG_TCC_BACKTRACE
+#endif
+
+/* target address type */
+#if defined TCC_TARGET_X86_64 && (!defined __x86_64__ || defined _WIN32)
+# define uplong unsigned long long
+#else
+# define uplong unsigned long
 #endif
 
 /* ------------ path configuration ------------ */
diff --git a/tccpe.c b/tccpe.c
index 51f4c53..4dec1d8 100644
--- a/tccpe.c
+++ b/tccpe.c
@@ -38,10 +38,6 @@
 # define ADDR3264 DWORD
 #endif
 
-#if defined _WIN32 && (defined _WIN64) == (defined TCC_TARGET_X86_64)
-#define TCC_IS_NATIVE
-#endif
-
 #ifdef _WIN32
 void dbg_printf (const char *fmt, ...)
 {
@@ -339,7 +335,7 @@ struct pe_info {
     const char *filename;
     int type;
     DWORD sizeofheaders;
-    DWORD imagebase;
+    ADDR3264 imagebase;
     DWORD start_addr;
     DWORD imp_offs;
     DWORD imp_size;
@@ -1870,11 +1866,10 @@ ST_FUNC int pe_output_file(TCCState * s1, const char *filename)
             ret = pe_write(&pe);
         tcc_free(pe.sec_info);
     } else {
-#ifndef TCC_IS_NATIVE
-        tcc_error_noabort("-run supported only on native platform");
-#endif
+#ifdef TCC_IS_NATIVE
         pe.thunk = data_section;
         pe_build_imports(&pe);
+#endif
     }
 
 #ifdef PE_PRINT_SECTIONS
diff --git a/tccrun.c b/tccrun.c
index de0ef89..41081cc 100644
--- a/tccrun.c
+++ b/tccrun.c
@@ -20,6 +20,9 @@
 
 #include "tcc.h"
 
+/* only native compiler supports -run */
+#ifdef TCC_IS_NATIVE
+
 #ifdef CONFIG_TCC_BACKTRACE
 ST_DATA int rt_num_callers = 6;
 ST_DATA const char **rt_bound_error_msg;
@@ -217,6 +220,8 @@ static void set_pages_executable(void *ptr, unsigned long length)
 }
 
 /* ------------------------------------------------------------- */
+#endif /* TCC_IS_NATIVE */
+
 #ifdef CONFIG_TCC_BACKTRACE
 
 PUB_FUNC void tcc_set_num_callers(int n)