Changeset 609 for branches/GNU/src/binutils/gas/stabs.c

Timestamp:

Aug 16, 2003, 6:59:22 PM (22 years ago)

Author:

bird

Message:

binutils v2.14 - offical sources.

File:

• branches/GNU/src/binutils/gas/stabs.c (modified) (9 diffs, 1 prop)

branches/GNU/src/binutils/gas/stabs.c

@@ -218 +218 @@
       else
         {
-          as_warn (_(".stabs: Missing comma"));
+          as_warn (_(".stab%c: missing comma"), what);
           ignore_rest_of_line ();
           return;
@@ -226 +226 @@
   if (get_absolute_expression_and_terminator (&longint) != ',')
     {
-      as_warn (_(".stab%c: Missing comma"), what);
+      as_warn (_(".stab%c: missing comma"), what);
       ignore_rest_of_line ();
       return;
@@ -234 +234 @@
   if (get_absolute_expression_and_terminator (&longint) != ',')
     {
-      as_warn (_(".stab%c: Missing comma"), what);
+      as_warn (_(".stab%c: missing comma"), what);
       ignore_rest_of_line ();
       return;
@@ -241 +241 @@
 
   desc = get_absolute_expression ();
+
+  if ((desc > 0xffff) || (desc < -0x8000))
+    /* This could happen for example with a source file with a huge
+       number of lines.  The only cure is to use a different debug
+       format, probably DWARF.  */
+    as_warn (_(".stab%c: description field '%x' too big, try a different debug format"),
+             what, desc);
+
   if (what == 's' || what == 'n')
     {
       if (*input_line_pointer != ',')
         {
-          as_warn (_(".stab%c: Missing comma"), what);
+          as_warn (_(".stab%c: missing comma"), what);
           ignore_rest_of_line ();
           return;
@@ -344 +352 @@
         {
           /* Release the string, if nobody else has used the obstack.  */
-          if (saved_string_obstack_end == notes.next_free) 
+          if (saved_string_obstack_end == notes.next_free)
             obstack_free (&notes, string);
         }
@@ -470 +478 @@
     {
       *p = 0;
-      as_bad (_("Expected comma after name \"%s\""), name);
+      as_bad (_("expected comma after \"%s\""), name);
       *p = c;
       ignore_rest_of_line ();
@@ -540 +548 @@
     {
       char *bslash = strchr (tmp, '\\');
-      int len = (bslash ? (bslash - tmp + 1) : strlen (tmp));
+      size_t len = (bslash) ? (size_t) (bslash - tmp + 1) : strlen (tmp);
 
       /* Double all backslashes, since demand_copy_C_string (used by
@@ -581 +589 @@
   char *buf;
   char sym[30];
-
-  /* Let the world know that we are in the middle of generating a
-     piece of stabs line debugging information.  */
-  outputting_stabs_line_debug = 1;
+  /* Remember the last file/line and avoid duplicates.  */
+  static unsigned int prev_lineno = -1;
+  static char *prev_file = NULL;
 
   /* Rather than try to do this in some efficient fashion, we just
@@ -594 +601 @@
 
   as_where (&file, &lineno);
+
+  /* Don't emit sequences of stabs for the same line.  */
+  if (prev_file == NULL)
+    {
+      /* First time thru.  */
+      prev_file = xstrdup (file);
+      prev_lineno = lineno;
+    }
+  else if (lineno == prev_lineno
+           && strcmp (file, prev_file) == 0)
+    {
+      /* Same file/line as last time.  */
+      return;
+    }
+  else
+    {
+      /* Remember file/line for next time.  */
+      prev_lineno = lineno;
+      if (strcmp (file, prev_file) != 0)
+        {
+          free (prev_file);
+          prev_file = xstrdup (file);
+        }
+    }
+
+  /* Let the world know that we are in the middle of generating a
+     piece of stabs line debugging information.  */
+  outputting_stabs_line_debug = 1;
 
   generate_asm_file (N_SOL, file);