diff --git a/tools/winebuild/build.h b/tools/winebuild/build.h
index e76a87ae31a..44fa317e8bd 100644
--- a/tools/winebuild/build.h
+++ b/tools/winebuild/build.h
@@ -248,6 +248,8 @@ extern int output( const char *format, ... )
    __attribute__ ((__format__ (__printf__, 1, 2)));
 extern void output_cfi( const char *format, ... )
    __attribute__ ((__format__ (__printf__, 1, 2)));
+extern void output_rva( const char *format, ... )
+   __attribute__ ((__format__ (__printf__, 1, 2)));
 extern void spawn( struct strarray array );
 extern struct strarray find_tool( const char *name, const char * const *names );
 extern struct strarray get_as_command(void);
diff --git a/tools/winebuild/import.c b/tools/winebuild/import.c
index 5c4de1c1607..984bffdc1b0 100644
--- a/tools/winebuild/import.c
+++ b/tools/winebuild/import.c
@@ -722,14 +722,11 @@ static void output_immediate_imports(void)
     j = 0;
     LIST_FOR_EACH_ENTRY( import, &dll_imports, struct import, entry )
     {
-        output( "\t.long .L__wine_spec_import_data_names+%d-.L__wine_spec_rva_base\n",  /* OriginalFirstThunk */
-                 j * get_ptr_size() );
+        output_rva( ".L__wine_spec_import_data_names + %d", j * get_ptr_size() ); /* OriginalFirstThunk */
         output( "\t.long 0\n" );     /* TimeDateStamp */
         output( "\t.long 0\n" );     /* ForwarderChain */
-        output( "\t.long .L__wine_spec_import_name_%s-.L__wine_spec_rva_base\n", /* Name */
-                 import->c_name );
-        output( "\t.long .L__wine_spec_import_data_ptrs+%d-.L__wine_spec_rva_base\n",  /* FirstThunk */
-                 j * get_ptr_size() );
+        output_rva( ".L__wine_spec_import_name_%s", import->c_name ); /* Name */
+        output_rva( ".L__wine_spec_import_data_ptrs + %d", j * get_ptr_size() );  /* FirstThunk */
         j += import->nb_imports + 1;
     }
     output( "\t.long 0\n" );     /* OriginalFirstThunk */
diff --git a/tools/winebuild/res32.c b/tools/winebuild/res32.c
index b20dfb47657..16e5c655515 100644
--- a/tools/winebuild/res32.c
+++ b/tools/winebuild/res32.c
@@ -476,8 +476,10 @@ void output_resources( DLLSPEC *spec )
     /* dump the resource data entries */
 
     for (i = 0, res = spec->resources; i < spec->nb_resources; i++, res++)
-        output( "\t.long .L__wine_spec_res_%d-.L__wine_spec_rva_base,%u,0,0\n",
-                i, res->data_size );
+    {
+        output_rva( ".L__wine_spec_res_%d", i );
+        output( "\t.long %u,0,0\n", res->data_size );
+    }
 
     /* dump the name strings */
 
diff --git a/tools/winebuild/spec32.c b/tools/winebuild/spec32.c
index 69b6d2fbb31..ee3870214e0 100644
--- a/tools/winebuild/spec32.c
+++ b/tools/winebuild/spec32.c
@@ -378,15 +378,15 @@ void output_exports( DLLSPEC *spec )
     output( "\t.long 0\n" );                       /* Characteristics */
     output( "\t.long 0\n" );                       /* TimeDateStamp */
     output( "\t.long 0\n" );                       /* MajorVersion/MinorVersion */
-    output( "\t.long .L__wine_spec_exp_names-.L__wine_spec_rva_base\n" ); /* Name */
+    output_rva( ".L__wine_spec_exp_names" );       /* Name */
     output( "\t.long %u\n", spec->base );          /* Base */
     output( "\t.long %u\n", nr_exports );          /* NumberOfFunctions */
     output( "\t.long %u\n", spec->nb_names );      /* NumberOfNames */
-    output( "\t.long .L__wine_spec_exports_funcs-.L__wine_spec_rva_base\n" ); /* AddressOfFunctions */
+    output_rva( ".L__wine_spec_exports_funcs " );  /* AddressOfFunctions */
     if (spec->nb_names)
     {
-        output( "\t.long .L__wine_spec_exp_name_ptrs-.L__wine_spec_rva_base\n" ); /* AddressOfNames */
-        output( "\t.long .L__wine_spec_exp_ordinals-.L__wine_spec_rva_base\n" );  /* AddressOfNameOrdinals */
+        output_rva( ".L__wine_spec_exp_name_ptrs" ); /* AddressOfNames */
+        output_rva( ".L__wine_spec_exp_ordinals" );  /* AddressOfNameOrdinals */
     }
     else
     {
@@ -440,7 +440,7 @@ void output_exports( DLLSPEC *spec )
         output( "\n.L__wine_spec_exp_name_ptrs:\n" );
         for (i = 0; i < spec->nb_names; i++)
         {
-            output( "\t.long .L__wine_spec_exp_names+%u-.L__wine_spec_rva_base\n", namepos );
+            output_rva( ".L__wine_spec_exp_names + %u", namepos );
             namepos += strlen(spec->names[i]->name) + 1;
         }
 
@@ -636,8 +636,7 @@ void output_module( DLLSPEC *spec )
     output( "\t.short %u,%u\n",           /* Major/MinorSubsystemVersion */
              spec->subsystem_major, spec->subsystem_minor );
     output( "\t.long 0\n" );                          /* Win32VersionValue */
-    output( "\t.long %s-.L__wine_spec_rva_base\n",    /* SizeOfImage */
-             asm_name("_end") );
+    output_rva( "%s", asm_name("_end") ); /* SizeOfImage */
     output( "\t.long %u\n", page_size );  /* SizeOfHeaders */
     output( "\t.long 0\n" );              /* CheckSum */
     output( "\t.short 0x%04x\n",          /* Subsystem */
@@ -652,20 +651,26 @@ void output_module( DLLSPEC *spec )
     output( "\t.long 16\n" );             /* NumberOfRvaAndSizes */
 
     if (spec->base <= spec->limit)   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT] */
-        output( "\t.long .L__wine_spec_exports-.L__wine_spec_rva_base,"
-                 ".L__wine_spec_exports_end-.L__wine_spec_exports\n" );
+    {
+        output_rva( ".L__wine_spec_exports" );
+        output( "\t.long .L__wine_spec_exports_end-.L__wine_spec_exports\n" );
+    }
     else
         output( "\t.long 0,0\n" );
 
     if (has_imports())   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT] */
-        output( "\t.long .L__wine_spec_imports-.L__wine_spec_rva_base,"
-                 ".L__wine_spec_imports_end-.L__wine_spec_imports\n" );
+    {
+        output_rva( ".L__wine_spec_imports" );
+        output( "\t.long .L__wine_spec_imports_end-.L__wine_spec_imports\n" );
+    }
     else
         output( "\t.long 0,0\n" );
 
     if (spec->nb_resources)   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE] */
-        output( "\t.long .L__wine_spec_resources-.L__wine_spec_rva_base,"
-                 ".L__wine_spec_resources_end-.L__wine_spec_resources\n" );
+    {
+        output_rva( ".L__wine_spec_resources" );
+        output( "\t.L__wine_spec_resources_end-.L__wine_spec_resources\n" );
+    }
     else
         output( "\t.long 0,0\n" );
 
diff --git a/tools/winebuild/utils.c b/tools/winebuild/utils.c
index 63be3af7c6b..87761c29bb7 100644
--- a/tools/winebuild/utils.c
+++ b/tools/winebuild/utils.c
@@ -1107,6 +1107,28 @@ void output_cfi( const char *format, ... )
     va_end( valist );
 }
 
+/* output an RVA pointer */
+void output_rva( const char *format, ... )
+{
+    va_list valist;
+
+    va_start( valist, format );
+    switch (target_platform)
+    {
+    case PLATFORM_WINDOWS:
+        output( "\t.rva " );
+        vfprintf( output_file, format, valist );
+        fputc( '\n', output_file );
+        break;
+    default:
+        output( "\t.long " );
+        vfprintf( output_file, format, valist );
+        output( " - .L__wine_spec_rva_base\n" );
+        break;
+    }
+    va_end( valist );
+}
+
 /* output the GNU note for non-exec stack */
 void output_gnu_stack_note(void)
 {