(ASM_FILE_START): Quote special characters in file names.

From-SVN: r5497

gcc/config/a29k/a29k.h

@@ -1311,7 +1311,9 @@ extern char *a29k_function_name;
   for (p = main_input_filename; *p; p++)			\
     if (*p == '/')						\
       after_dir = p + 1;					\
-  fprintf (FILE, "\t.file \"%s\"\n", after_dir);		\
+  fprintf (FILE, "\t.file ");					\
+  output_quoted_string (FILE, after_dir);			\
+  fprintf (FILE, "\n");						\
   fprintf (FILE, "\t.sect .lit,lit\n"); }
 
 /* Output to assembler file text saying following lines

gcc/config/a29k/unix.h

@@ -61,7 +61,9 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
   for (p = main_input_filename; *p; p++)			\
     if (*p == '/')						\
       after_dir = p + 1;					\
-  fprintf (FILE, "\t.file \"%s\"\n", after_dir);		\
+  fprintf (FILE, "\t.file ");					\
+  output_quoted_string (FILE, after_dir);			\
+  fprintf (FILE, "\n");						\
   if (flag_shared_data)						\
     fprintf (FILE, "\t.sect .shdata,data\n");			\
   fprintf (FILE, "\t.sect .lit,lit\n");  }

gcc/config/alpha/alpha.h

@@ -1354,7 +1354,9 @@ extern char *current_function_name;
   for (p = main_input_filename; *p; p++)			\
     if (*p == '/')						\
       after_dir = p + 1;					\
-  fprintf (FILE, "\n\t.file 2 \"%s\"\n", after_dir);	        \
+  fprintf (FILE, "\n\t.file 2 ");			        \
+  output_quoted_string (FILE, after_dir);		        \
+  fprintf (FILE, "\n");					        \
 }
 
 /* Output to assembler file text saying following lines

gcc/config/i386/aix386ng.h

@@ -57,7 +57,9 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 #undef ASM_FILE_START
 #define ASM_FILE_START(FILE) 					\
-  do { fprintf (FILE, "\t.file\t\"%s\"\n", dump_base_name);	\
+  do { fprintf (FILE, "\t.file\t");				\
+       output_quoted_string (FILE, dump_base_name);		\
+       fprintf (FILE, "\n");					\
        if (optimize)						\
           ASM_FILE_START_1 (FILE); 				\
        else							\

gcc/config/i386/bsd.h

@@ -48,7 +48,10 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
    ??? I am skeptical of this -- RMS.  */
 
 #define ASM_FILE_START(FILE) \
-  fprintf (FILE, "\t.file\t\"%s\"\n", dump_base_name);
+  do {	fprintf (FILE, "\t.file\t");				\
+	output_quoted_string (FILE, dump_base_name);		\
+	fprintf (FILE, "\n");					\
+  } while (0)
 
 /* This was suggested, but it shouldn't be right for DBX output. -- RMS
    #define ASM_OUTPUT_SOURCE_FILENAME(FILE, NAME) */

gcc/config/i386/gas.h

@@ -93,19 +93,11 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
      fprintf ((FILE), "\t.align 2,0x90\n");  /* Use log of 4 as arg.  */
 
 #undef ASM_FILE_START
-/* ASM_FILE_START(FILE) used to be defined as:
-     fprintf (FILE, "\t.file\t\"%s\"\n", dump_base_name);
-   However, the string dump_base_name may contain backslashes.  (This may often
-   be the case when gcc is run under operating systems such as DOS and OS/2.)
-   Each backslash in dump_base_name must be converted to two consecutive
-   backslashes on output.  */
 #define ASM_FILE_START(FILE) \
-  { char *p; \
-    fprintf (FILE, "\t.file\t\""); \
-    for (p = dump_base_name; *p != '\0'; p++) \
-      if (*p == '\\') fprintf (FILE, "\\\\");  \
-      else fprintf (FILE, "%c", *p); \
-    fprintf (FILE, "\"\n"); }
+  do {	fprintf (FILE, "\t.file\t");			\
+	output_quoted_string (FILE, dump_base_name);	\
+	fprintf (FILE, "\n");				\
+  } while (0)
 
 /* A C statement or statements which output an assembler instruction
    opcode to the stdio stream STREAM.  The macro-operand PTR is a

gcc/config/i386/sun386.h

@@ -70,7 +70,9 @@ do								\
 	}						\
       strncpy (shorter, na, 14);			\
       shorter[14] = 0;					\
-      fprintf (FILE, "\t.file\t\"%s\"\n", shorter);	\
+      fprintf (FILE, "\t.file\t");			\
+      output_quoted_string (FILE, shorter);		\
+      fprintf (FILE, "\n");				\
     }							\
     fprintf (FILE, "\t.version\t\"%s %s\"\n",		\
 	     language_string, version_string);		\