* gcc.c (add_sysrooted_prefix, execute, do_self_spec, do_spec_1,

	handle_braces, process_brace_body, main, used_arg,
	set_multilib_dir, print_multilib_info): Use fatal, not abort.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87231 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ff749a6..4dff1b8 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,9 @@
 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
 
+       * gcc.c (add_sysrooted_prefix, execute, do_self_spec, do_spec_1,
+       handle_braces, process_brace_body, main, used_arg,
+       set_multilib_dir, print_multilib_info): Use fatal, not abort.
+
        * tree-nested.c (create_tmp_var_for): Correct missinverted assert.
 
        * tree-outof-ssa.c (free_temp_expr_table): Add missed assert.

diff --git a/gcc/gcc.c b/gcc/gcc.c
index 8076f51..45a9ab4 100644 (file)
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -2628,7 +2628,7 @@ add_sysrooted_prefix (struct path_prefix *pprefix, const char *prefix,
                      int require_machine_suffix, int os_multilib)
 {
   if (!IS_ABSOLUTE_PATH (prefix))
-    abort ();
+    fatal ("system path `%s' is not absolute", prefix);
 
   if (target_system_root)
     {
@@ -2666,8 +2666,7 @@ execute (void)
 
   struct command *commands;    /* each command buffer with above info.  */
 
-  if (processing_spec_function)
-    abort ();
+  gcc_assert (!processing_spec_function);
 
   /* Count # of piped commands.  */
   for (n_commands = 1, i = 0; i < argbuf_index; i++)
@@ -2840,8 +2839,7 @@ execute (void)
        int pid;
 
        pid = pwait (commands[i].pid, &status, 0);
-       if (pid < 0)
-         abort ();
+       gcc_assert (pid >= 0);
 
 #ifdef HAVE_GETRUSAGE
        if (report_times)
@@ -4365,7 +4363,7 @@ do_self_spec (const char *spec)
 
          /* Each switch should start with '-'.  */
          if (argbuf[i][0] != '-')
-           abort ();
+           fatal ("switch '%s' does not start with '-'", argbuf[i]);
 
          sw = &switches[i + first];
          sw->part1 = &argbuf[i][1];
@@ -4592,7 +4590,7 @@ do_spec_1 (const char *spec, int inswitch, const char *soft_matched_part)
        switch (c = *p++)
          {
          case 0:
-           fatal ("invalid specification!  Bug in cc");
+           fatal ("spec '%s' invalid", spec);
 
          case 'b':
            obstack_grow (&obstack, input_basename, basename_length);
@@ -4731,7 +4729,7 @@ do_spec_1 (const char *spec, int inswitch, const char *soft_matched_part)
                    p += 2;
                    /* We don't support extra suffix characters after %O.  */
                    if (*p == '.' || ISALPHA ((unsigned char) *p))
-                     abort ();
+                     fatal ("spec '%s' has invalid `%%0%c'", spec, *p);
                    if (suffix_length == 0)
                      suffix = TARGET_OBJECT_SUFFIX;
                    else
@@ -4928,7 +4926,7 @@ do_spec_1 (const char *spec, int inswitch, const char *soft_matched_part)
              int cur_index = argbuf_index;
              /* Handle the {...} following the %W.  */
              if (*p != '{')
-               abort ();
+               fatal ("spec `%s' has invalid `%%W%c", spec, *p);
              p = handle_braces (p + 1);
              if (p == 0)
                return -1;
@@ -4959,7 +4957,7 @@ do_spec_1 (const char *spec, int inswitch, const char *soft_matched_part)
 
              /* Skip past the option value and make a copy.  */
              if (*p != '{')
-               abort ();
+               fatal ("spec `%s' has invalid `%%x%c'", spec, *p);
              while (*p++ != '}')
                ;
              string = save_string (p1 + 1, p - p1 - 2);
@@ -5517,6 +5515,7 @@ handle_braces (const char *p)
 {
   const char *atom, *end_atom;
   const char *d_atom = NULL, *d_end_atom = NULL;
+  const char *orig = p;
 
   bool a_is_suffix;
   bool a_is_starred;
@@ -5536,7 +5535,7 @@ handle_braces (const char *p)
   do
     {
       if (a_must_be_last)
-       abort ();
+       goto invalid;
 
       /* Scan one "atom" (S in the description above of %{}, possibly
         with !, ., or * modifiers).  */
@@ -5560,32 +5559,33 @@ handle_braces (const char *p)
        p++, a_is_starred = 1;
 
       SKIP_WHITE();
-      if (*p == '&' || *p == '}')
+      switch (*p)
        {
+       case '&': case '}':
          /* Substitute the switch(es) indicated by the current atom.  */
          ordered_set = true;
          if (disjunct_set || n_way_choice || a_is_negated || a_is_suffix
              || atom == end_atom)
-           abort ();
+           goto invalid;
 
          mark_matching_switches (atom, end_atom, a_is_starred);
 
          if (*p == '}')
            process_marked_switches ();
-       }
-      else if (*p == '|' || *p == ':')
-       {
+         break;
+
+       case '|': case ':':
          /* Substitute some text if the current atom appears as a switch
             or suffix.  */
          disjunct_set = true;
          if (ordered_set)
-           abort ();
+           goto invalid;
 
          if (atom == end_atom)
            {
              if (!n_way_choice || disj_matched || *p == '|'
                  || a_is_negated || a_is_suffix || a_is_starred)
-               abort ();
+               goto invalid;
 
              /* An empty term may appear as the last choice of an
                 N-way choice set; it means "otherwise".  */
@@ -5596,7 +5596,7 @@ handle_braces (const char *p)
          else
            {
               if (a_is_suffix && a_is_starred)
-                abort ();
+                goto invalid;
 
               if (!a_is_starred)
                 disj_starred = false;
@@ -5639,14 +5639,19 @@ handle_braces (const char *p)
                  d_atom = d_end_atom = NULL;
                }
            }
+         break;
+
+       default:
+         goto invalid;
        }
-      else
-       abort ();
     }
   while (*p++ != '}');
 
   return p;
-
+  
+ invalid:
+  fatal ("braced spec `%s' is invalid at `%c'", orig, *p);
+  
 #undef SKIP_WHITE
 }
 
@@ -5686,7 +5691,7 @@ process_brace_body (const char *p, const char *atom, const char *end_atom,
       else if (*p == '%' && p[1] == '*' && nesting_level == 1)
        have_subst = true;
       else if (*p == '\0')
-       abort ();
+       goto invalid;
       p++;
     }
 
@@ -5695,7 +5700,7 @@ process_brace_body (const char *p, const char *atom, const char *end_atom,
     end_body--;
 
   if (have_subst && !starred)
-    abort ();
+    goto invalid;
 
   if (matched)
     {
@@ -5731,6 +5736,9 @@ process_brace_body (const char *p, const char *atom, const char *end_atom,
     }
 
   return p;
+
+ invalid:
+  fatal ("braced spec body `%s' is invalid", body);
 }
 \f
 /* Return 0 iff switch number SWITCHNUM is obsoleted by a later switch
@@ -6454,13 +6462,13 @@ main (int argc, const char **argv)
                {
                  value = do_spec (input_file_compiler->spec);
                  infiles[i].preprocessed = true;
-                 if (have_o_argbuf_index)
-                   infiles[i].name = argbuf[have_o_argbuf_index];
-                 else
-                   abort ();
-                 infiles[i].incompiler = lookup_compiler (infiles[i].name,
-                                                      strlen (infiles[i].name),
-                                                      infiles[i].language);
+                 if (!have_o_argbuf_index)
+                   fatal ("spec `%s' is invalid", input_file_compiler->spec);
+                 infiles[i].name = argbuf[have_o_argbuf_index];
+                 infiles[i].incompiler
+                   = lookup_compiler (infiles[i].name,
+                                      strlen (infiles[i].name),
+                                      infiles[i].language);
 
                  if (value < 0)
                    this_file_error = 1;
@@ -6921,7 +6929,10 @@ used_arg (const char *p, int len)
          while (*q != ' ')
            {
              if (*q == '\0')
-               abort ();
+               {
+               invalid_matches:
+                 fatal ("multilib spec `%s' is invalid", multilib_matches);
+               }
              q++;
            }
          matches[i].len = q - matches[i].str;
@@ -6930,7 +6941,7 @@ used_arg (const char *p, int len)
          while (*q != ';' && *q != '\0')
            {
              if (*q == ' ')
-               abort ();
+               goto invalid_matches;
              q++;
            }
          matches[i].rep_len = q - matches[i].replace;
@@ -7110,7 +7121,11 @@ set_multilib_dir (void)
       while (*p != ';')
        {
          if (*p == '\0')
-           abort ();
+           {
+           invalid_exclusions:
+             fatal ("multilib exclusions `%s' is invalid",
+                    multilib_exclusions);
+           }
 
          if (! ok)
            {
@@ -7122,7 +7137,7 @@ set_multilib_dir (void)
          while (*p != ' ' && *p != ';')
            {
              if (*p == '\0')
-               abort ();
+               goto invalid_exclusions;
              ++p;
            }
 
@@ -7164,7 +7179,11 @@ set_multilib_dir (void)
       while (*p != ' ')
        {
          if (*p == '\0')
-           abort ();
+           {
+           invalid_select:
+             fatal ("multilib select `%s' is invalid",
+                    multilib_select);
+           }
          ++p;
        }
       this_path_len = p - this_path;
@@ -7176,7 +7195,7 @@ set_multilib_dir (void)
       while (*p != ';')
        {
          if (*p == '\0')
-           abort ();
+           goto invalid_select;
 
          if (! ok)
            {
@@ -7188,7 +7207,7 @@ set_multilib_dir (void)
          while (*p != ' ' && *p != ';')
            {
              if (*p == '\0')
-               abort ();
+               goto invalid_select;
              ++p;
            }
 
@@ -7301,7 +7320,11 @@ print_multilib_info (void)
       while (*p != ' ')
        {
          if (*p == '\0')
-           abort ();
+           {
+           invalid_select:
+             fatal ("multilib select `%s' is invalid", multilib_select);
+           }
+         
          ++p;
        }
 
@@ -7335,7 +7358,11 @@ print_multilib_info (void)
                int mp = 0;
 
                if (*e == '\0')
-                 abort ();
+                 {
+                 invalid_exclusion:
+                   fatal ("multilib exclusion `%s' is invalid",
+                          multilib_exclusions);
+                 }
 
                if (! m)
                  {
@@ -7348,7 +7375,7 @@ print_multilib_info (void)
                while (*e != ' ' && *e != ';')
                  {
                    if (*e == '\0')
-                     abort ();
+                     goto invalid_exclusion;
                    ++e;
                  }
 
@@ -7359,19 +7386,20 @@ print_multilib_info (void)
                    int len = e - this_arg;
 
                    if (*q == '\0')
-                     abort ();
+                     goto invalid_select;
 
                    arg = q;
 
                    while (*q != ' ' && *q != ';')
                      {
                        if (*q == '\0')
-                         abort ();
+                         goto invalid_select;
                        ++q;
                      }
 
-                   if (! strncmp (arg, this_arg, (len < q - arg) ? q - arg : len) ||
-                       default_arg (this_arg, e - this_arg))
+                   if (! strncmp (arg, this_arg,
+                                  (len < q - arg) ? q - arg : len)
+                       || default_arg (this_arg, e - this_arg))
                      {
                        mp = 1;
                        break;
@@ -7402,7 +7430,8 @@ print_multilib_info (void)
       if (! skip)
        {
          /* If this is a duplicate, skip it.  */
-         skip = (last_path != 0 && (unsigned int) (p - this_path) == last_path_len
+         skip = (last_path != 0
+                 && (unsigned int) (p - this_path) == last_path_len
                  && ! strncmp (last_path, this_path, last_path_len));
 
          last_path = this_path;
@@ -7422,7 +7451,7 @@ print_multilib_info (void)
              const char *arg;
 
              if (*q == '\0')
-               abort ();
+               goto invalid_select;
 
              if (*q == '!')
                arg = NULL;
@@ -7432,7 +7461,7 @@ print_multilib_info (void)
              while (*q != ' ' && *q != ';')
                {
                  if (*q == '\0')
-                   abort ();
+                   goto invalid_select;
                  ++q;
                }
 
@@ -7463,7 +7492,7 @@ print_multilib_info (void)
          int use_arg;
 
          if (*p == '\0')
-           abort ();
+           goto invalid_select;
 
          if (skip)
            {
@@ -7479,7 +7508,7 @@ print_multilib_info (void)
          while (*p != ' ' && *p != ';')
            {
              if (*p == '\0')
-               abort ();
+               goto invalid_select;
              if (use_arg)
                putchar (*p);
              ++p;