- Detection of .size instruction.

configure

@@ -13357,6 +13357,71 @@ _ACEOF
 
 
 
+echo "$as_me:$LINENO: checking for .size in assembler" >&5
+echo $ECHO_N "checking for .size in assembler... $ECHO_C" >&6
+if test "${ac_cv_c_asm_size+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+void ac_asm(void) { asm(".globl _ac_test\n.size _ac_test, . - _ac_test"); }
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_c_asm_size="yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_c_asm_size="no"
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_c_asm_size" >&5
+echo "${ECHO_T}$ac_cv_c_asm_size" >&6
+
+if test "$ac_cv_c_asm_size" = "yes"
+then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_ASM_DOT_SIZE 1
+_ACEOF
+
+fi
+
+
 DLLEXT=""
 
 DLLFLAGS="-D_REENTRANT"

configure.ac

@@ -828,6 +828,17 @@ AC_CACHE_CHECK([for assembler keyword for word values], ac_cv_c_asm_short,
 AC_DEFINE_UNQUOTED(__ASM_SHORT, ["$ac_cv_c_asm_short"],
                    [Define to the assembler keyword used to specify a word value])
 
+dnl **** Check for .size in assembler ****
+
+AC_CACHE_CHECK([for .size in assembler], ac_cv_c_asm_size,
+    WINE_TRY_ASM_LINK([".globl _ac_test\n.size _ac_test, . - _ac_test"],,,
+                      ac_cv_c_asm_size="yes",ac_cv_c_asm_size="no"))
+
+if test "$ac_cv_c_asm_size" = "yes"
+then
+  AC_DEFINE(HAVE_ASM_DOT_SIZE, 1, [Define if the assembler keyword .size is accepted])
+fi
+
 dnl **** Check for working dll ****
 
 AC_SUBST(DLLEXT,"")

include/config.h.in

@@ -35,6 +35,9 @@
 /* Define if you have ARTS sound server */
 #undef HAVE_ARTS
 
+/* Define if the assembler keyword .size is accepted */
+#undef HAVE_ASM_DOT_SIZE
+
 /* Define to 1 if you have the <audio/audiolib.h> header file. */
 #undef HAVE_AUDIO_AUDIOLIB_H
 

tools/winebuild/import.c

@@ -176,6 +176,13 @@ inline static void sort_symbols( char **table, int size )
         qsort( table, size, sizeof(*table), name_cmp );
 }
 
+inline static void output_function_size( FILE *outfile, const char *name )
+{
+#ifdef HAVE_ASM_DOT_SIZE
+    fprintf( outfile, "    \"\\t.size " __ASM_NAME("%s") ", . - " __ASM_NAME("%s") "\\n\"\n", name, name);
+#endif
+}
+
 /* free an import structure */
 static void free_imports( struct import *imp )
 {
@@ -533,6 +540,8 @@ static const char *ldcombine_files( char **argv )
 /* read in the list of undefined symbols */
 void read_undef_symbols( char **argv )
 {
+    static const char name_prefix[] = __ASM_NAME("");
+    static const int prefix_len = sizeof(name_prefix) - 1;
     FILE *f;
     char buffer[1024];
     int err;
@@ -558,6 +567,7 @@ void read_undef_symbols( char **argv )
         p = buffer;
         while (*p == ' ') p++;
         if (p[0] == 'U' && p[1] == ' ' && p[2]) p += 2;
+        if (prefix_len && !strncmp( p, name_prefix, prefix_len )) p += prefix_len;
         add_undef_symbol( p );
     }
     if ((err = pclose( f ))) warning( "nm -u %s error %d\n", name, err );
@@ -740,11 +750,11 @@ static int output_immediate_imports( FILE *outfile )
 #error You need to define import thunks for your architecture!
 #endif
             fprintf( outfile, "\"\n" );
-            fprintf( outfile, "    \"\\t.size " __ASM_NAME("%s") ", . - " __ASM_NAME("%s") "\\n\"\n", name, name);
+            output_function_size( outfile, name );
         }
         pos += 4;
     }
-    fprintf( outfile, "    \"\\t.size " __ASM_NAME("%s") ", . - " __ASM_NAME("%s") "\\n\"\n", import_thunks, import_thunks);
+    output_function_size( outfile, import_thunks );
     fprintf( outfile, "    \".text\");\n#ifndef __GNUC__\n}\n#endif\n\n" );
 
  done:
@@ -936,7 +946,7 @@ static int output_delayed_imports( FILE *outfile, const DLLSPEC *spec )
 #else
 #error You need to defined delayed import thunks for your architecture!
 #endif
-    fprintf( outfile, "    \"\\t.size " __ASM_NAME("__wine_delay_load_asm") ", . - " __ASM_NAME("__wine_delay_load_asm") "\\n\"\n");
+    output_function_size( outfile, "__wine_delay_load_asm" );
 
     for (i = idx = 0; i < nb_imports; i++)
     {
@@ -965,11 +975,11 @@ static int output_delayed_imports( FILE *outfile, const DLLSPEC *spec )
 #else
 #error You need to defined delayed import thunks for your architecture!
 #endif
-            fprintf( outfile, "    \"\\t.size " __ASM_NAME("%s") ", . - " __ASM_NAME("%s") "\\n\"\n", name, name);
+            output_function_size( outfile, name );
         }
         idx++;
     }
-    fprintf( outfile, "\n    \"\\t.size " __ASM_NAME("%s") ", . - " __ASM_NAME("%s") "\\n\"\n", delayed_import_loaders, delayed_import_loaders);
+    output_function_size( outfile, delayed_import_loaders );
 
     fprintf( outfile, "\n    \".data\\n\\t.align %d\\n\"\n", get_alignment(8) );
     fprintf( outfile, "    \"" __ASM_NAME("%s") ":\\n\"\n", delayed_import_thunks);
@@ -1032,10 +1042,10 @@ static int output_delayed_imports( FILE *outfile, const DLLSPEC *spec )
 #error You need to define delayed import thunks for your architecture!
 #endif
             fprintf( outfile, "\n" );
-            fprintf( outfile, "    \"\\t.size " __ASM_NAME("%s") ", . - " __ASM_NAME("%s") "\\n\"\n", name, name);
+            output_function_size( outfile, name );
         }
     }
-    fprintf( outfile, "    \"\\t.size " __ASM_NAME("%s") ", . - " __ASM_NAME("%s") "\\n\"\n", delayed_import_thunks, delayed_import_thunks);
+    output_function_size( outfile, delayed_import_thunks );
     fprintf( outfile, "\".text\");\n" );
     fprintf( outfile, "#ifndef __GNUC__\n" );
     fprintf( outfile, "}\n" );