Upgrade to the 5-Feb-2001 edition GCC 2.97 development snapshot.

1 files changed, 148 insertions, 88 deletions

diff --git a/lang/gcc45/files/patch-fa b/lang/gcc45/files/patch-fa
index d671513e47bd..350959df8e89 100644
--- a/lang/gcc45/files/patch-fa
+++ b/lang/gcc45/files/patch-fa
@@ -1,90 +1,59 @@
---- gcc/c-common.c.orig	Sat Dec  2 19:46:03 2000
-+++ gcc/c-common.c	Mon Dec 11 12:11:16 2000
-@@ -232,7 +232,7 @@
- 						 int, int, int));
- static void init_attributes		PARAMS ((void));
+--- gcc/c-format.c.orig	Sat Jan 13 15:29:57 2001
++++ gcc/c-format.c	Wed Feb 14 03:47:34 2001
+@@ -75,13 +75,16 @@
+    last.  */
+ enum format_type { printf_format_type, scanf_format_type,
+ 		   strftime_format_type, strfmon_format_type,
++		   printf0_format_type,
+ 		   format_type_error };
+ 
+ static enum format_type decode_format_type	PARAMS ((const char *));
  static void record_function_format	PARAMS ((tree, tree, enum format_type,
 -						 int, int));
 +						 int, int, int));
  static void record_international_format	PARAMS ((tree, tree, int));
- static int default_valid_lang_attribute PARAMS ((tree, tree, tree, tree));
- 
-@@ -927,6 +927,7 @@
- 	    enum format_type format_type;
- 	    tree argument;
- 	    unsigned int arg_num;
-+	    int null_format_ok;
- 
- 	    if (TREE_CODE (decl) != FUNCTION_DECL)
- 	      {
-@@ -937,7 +938,7 @@
- 
- 	    if (TREE_CODE (format_type_id) != IDENTIFIER_NODE)
- 	      {
--		error ("unrecognized format specifier");
-+		error_with_decl (decl, "unrecognized format specifier");
- 		continue;
- 	      }
- 	    else
-@@ -945,12 +946,26 @@
- 		const char *p = IDENTIFIER_POINTER (format_type_id);
- 
- 		if (!strcmp (p, "printf") || !strcmp (p, "__printf__"))
-+		  {
-+		  format_type = printf_format_type;
-+		  null_format_ok = 0;
-+		  }
-+		else if (!strcmp (p, "printf0") || !strcmp (p, "__printf0__"))
-+		  {
- 		  format_type = printf_format_type;
-+		  null_format_ok = 1;
-+		  }
- 		else if (!strcmp (p, "scanf") || !strcmp (p, "__scanf__"))
-+		  {
- 		  format_type = scanf_format_type;
-+		  null_format_ok = 0;
-+		  }
- 		else if (!strcmp (p, "strftime")
- 			 || !strcmp (p, "__strftime__"))
-+		  {
- 		  format_type = strftime_format_type;
-+		  null_format_ok = 0;
-+		  }
- 		else
- 		  {
- 		    warning ("`%s' is an unrecognized format function type", p);
-@@ -1029,7 +1044,8 @@
- 
- 	    record_function_format (DECL_NAME (decl),
- 				    DECL_ASSEMBLER_NAME (decl),
--				    format_type, format_num, first_arg_num);
-+				    format_type, format_num, first_arg_num,
-+				    null_format_ok);
- 	    break;
- 	  }
- 
-@@ -1693,6 +1709,20 @@
  
- static const format_char_info print_char_table[] =
- {
-+#warning The FreeBSD kernel extensions in print_char_table might not be done correctly.
-+/* FreeBSD kernel extensions (src/sys/kern/subr_prf.c).  */
-+/* The format %b is supported to decode error registers.
-+   Its usage is:	printf("reg=%b\n", regval, "<base><arg>*");
-+   which produces:	reg=3<BITTWO,BITONE>
-+   The format %D provides a hexdump given a pointer and separator string:
-+   ("%6D", ptr, ":")		-> XX:XX:XX:XX:XX:XX
-+   ("%*D", len, ptr, " ")	-> XX XX XX XX ...
-+   */
-+  { "D",   1, STD_EXT, { T89_C,   T89_C,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "-wp"       "c" },
-+  { "b",   1, STD_EXT, { T89_C,   T89_C,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "-wp"       "" },
-+  { "rz",  0, STD_EXT, { BADLEN,  T89_I,   T89_I,   T89_L,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "-wp0 +#"   "i" },
-+#define unextended_print_char_table	(print_char_table + 3)
-+#warning The FreeBSD kernel extensions in print_char_table might not be done correctly.
-   /* C89 conversion specifiers.  */
-   { "di",  0, STD_C89, { T89_I,   T99_SC,  T89_S,   T89_L,   T99_LL,  TEX_LL,  T99_SST, T99_PD,  T99_IM  }, "-wp0 +'I", "i" },
-   { "oxX", 0, STD_C89, { T89_UI,  T99_UC,  T89_US,  T89_UL,  T99_ULL, TEX_ULL, T99_ST,  T99_UPD, T99_UIM }, "-wp0#",    "i" },
-@@ -1791,6 +1821,7 @@
++inline static int get_null_fmt_ok	PARAMS ((enum format_type));
++
+ /* Handle the format attribute (with arguments ARGS) attached to the decl
+    DECL.  It is already verified that DECL is a decl and ARGS contains
+    exactly three arguments.  */
+@@ -99,6 +102,7 @@
+   enum format_type format_type;
+   tree argument;
+   unsigned int arg_num;
++  int null_format_ok;
+ 
+   if (TREE_CODE (decl) != FUNCTION_DECL)
+     {
+@@ -109,7 +113,7 @@
+ 
+   if (TREE_CODE (format_type_id) != IDENTIFIER_NODE)
+     {
+-      error ("unrecognized format specifier");
++      error_with_decl (decl, "unrecognized format specifier");
+       return;
+     }
+   else
+@@ -117,6 +121,7 @@
+       const char *p = IDENTIFIER_POINTER (format_type_id);
+ 
+       format_type = decode_format_type (p);
++      null_format_ok = get_null_fmt_ok (format_type);
+ 
+       if (format_type == format_type_error)
+ 	{
+@@ -195,7 +200,8 @@
+     }
+ 
+   record_function_format (DECL_NAME (decl), DECL_ASSEMBLER_NAME (decl),
+-			  format_type, format_num, first_arg_num);
++			  format_type, format_num, first_arg_num,
++			  null_format_ok);
+ }
+ 
+ 
+@@ -276,6 +282,7 @@
    enum format_type format_type;	/* type of format (printf, scanf, etc.) */
    int format_num;		/* number of format argument */
    int first_arg_num;		/* number of first arg (zero for varargs) */
@@ -92,7 +61,7 @@
  } function_format_info;
  
  static function_format_info *function_format_list = NULL;
-@@ -1876,42 +1907,42 @@
+@@ -309,44 +316,44 @@
      {
        /* Functions from ISO/IEC 9899:1990.  */
        record_function_format (get_identifier ("printf"), NULL_TREE,
@@ -104,6 +73,9 @@
        record_function_format (get_identifier ("fprintf"), NULL_TREE,
 -			      printf_format_type, 2, 3);
 +			      printf_format_type, 2, 3, 0);
+       record_function_format (get_identifier ("__builtin_fprintf"), NULL_TREE,
+-			      printf_format_type, 2, 3);
++			      printf_format_type, 2, 3, 0);
        record_function_format (get_identifier ("sprintf"), NULL_TREE,
 -			      printf_format_type, 2, 3);
 +			      printf_format_type, 2, 3, 0);
@@ -151,7 +123,16 @@
      }
  
    if (flag_hosted && flag_noniso_default_format_attributes)
-@@ -1934,12 +1965,13 @@
+@@ -357,7 +364,7 @@
+       record_international_format (get_identifier ("dcgettext"), NULL_TREE, 2);
+       /* X/Open strfmon function.  */
+       record_function_format (get_identifier ("strfmon"), NULL_TREE,
+-			      strfmon_format_type, 3, 4);
++			      strfmon_format_type, 3, 4, 0);
+     }
+ }
+ 
+@@ -372,12 +379,13 @@
  
  static void
  record_function_format (name, assembler_name, format_type,
@@ -166,7 +147,7 @@
  {
    function_format_info *info;
  
-@@ -1963,6 +1995,7 @@
+@@ -401,6 +409,7 @@
    info->format_type = format_type;
    info->format_num = format_num;
    info->first_arg_num = first_arg_num;
@@ -174,7 +155,86 @@
  }
  
  /* Record information for the names of function that modify the format
-@@ -2454,7 +2487,7 @@
+@@ -677,6 +686,8 @@
+   /* Pointer to type of argument expected if '*' is used for a precision,
+      or NULL if '*' not used for precisions.  */
+   tree *precision_type;
++  /* Needed for FreeBSD kernel and the printf0() printf-like function.  */
++  int null_format_ok;
+ } format_kind_info;
+ 
+ 
+@@ -902,6 +913,20 @@
+ 
+ static const format_char_info print_char_table[] =
+ {
++#warning The FreeBSD kernel extensions in print_char_table might not be done correctly.
++/* FreeBSD kernel extensions (src/sys/kern/subr_prf.c).  */
++/* The format %b is supported to decode error registers.
++   Its usage is:	printf("reg=%b\n", regval, "<base><arg>*");
++   which produces:	reg=3<BITTWO,BITONE>
++   The format %D provides a hexdump given a pointer and separator string:
++   ("%6D", ptr, ":")		-> XX:XX:XX:XX:XX:XX
++   ("%*D", len, ptr, " ")	-> XX XX XX XX ...
++   */
++  { "D",   1, STD_EXT, { T89_C,   T89_C,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "-wp",      "c" },
++  { "b",   1, STD_EXT, { T89_C,   T89_C,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "-wp",      "" },
++  { "rz",  0, STD_EXT, { BADLEN,  T89_I,   T89_I,   T89_L,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "-wp0 +#",  "i" },
++#define unextended_print_char_table	(print_char_table + 3)
++#warning The FreeBSD kernel extensions in print_char_table might not be done correctly.
+   /* C89 conversion specifiers.  */
+   { "di",  0, STD_C89, { T89_I,   T99_SC,  T89_S,   T89_L,   T9L_LL,  TEX_LL,  T99_SST, T99_PD,  T99_IM  }, "-wp0 +'I", "i"  },
+   { "oxX", 0, STD_C89, { T89_UI,  T99_UC,  T89_US,  T89_UL,  T9L_ULL, TEX_ULL, T99_ST,  T99_UPD, T99_UIM }, "-wp0#",    "i"  },
+@@ -985,22 +1010,33 @@
+     FMT_FLAG_ARG_CONVERT|FMT_FLAG_DOLLAR_MULTIPLE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_EMPTY_PREC_OK,
+     'w', 0, 'p', 0, 'L',
+     &integer_type_node, &integer_type_node
++    ,0
+   },
+   { "scanf",    scanf_length_specs,   scan_char_table,  "*'I", NULL, 
+     scanf_flag_specs, scanf_flag_pairs,
+     FMT_FLAG_ARG_CONVERT|FMT_FLAG_SCANF_A_KLUDGE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_ZERO_WIDTH_BAD,
+     'w', 0, 0, '*', 'L',
+     NULL, NULL
++    ,0
+   },
+   { "strftime", NULL,                 time_char_table,  "_-0^#", "EO",
+     strftime_flag_specs, strftime_flag_pairs,
+     FMT_FLAG_FANCY_PERCENT_OK, 'w', 0, 0, 0, 0,
+     NULL, NULL
++    ,0
+   },
+   { "strfmon",  strfmon_length_specs, monetary_char_table, "=^+(!-", NULL, 
+     strfmon_flag_specs, strfmon_flag_pairs,
+     FMT_FLAG_ARG_CONVERT, 'w', '#', 'p', 0, 'L',
+     NULL, NULL
++    ,0
++  },
++  { "printf0",   printf_length_specs,  print_char_table, " +#0-'I", NULL, 
++    printf_flag_specs, printf_flag_pairs,
++    FMT_FLAG_ARG_CONVERT|FMT_FLAG_DOLLAR_MULTIPLE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_EMPTY_PREC_OK,
++    'w', 0, 'p', 0, 'L',
++    &integer_type_node, &integer_type_node
++    ,1
+   }
+ };
+ 
+@@ -1053,6 +1089,14 @@
+ 
+ static void check_format_types	PARAMS ((int *, format_wanted_type *));
+ 
++
++inline static int get_null_fmt_ok (fmttype)
++	enum format_type fmttype;
++{
++  return format_types[(int)fmttype].null_format_ok;
++}
++
++
+ /* Decode a format type from a string, returning the type, or
+    format_type_error if not valid, in which case the caller should print an
+    error message.  */
+@@ -1568,7 +1612,7 @@
  	 specially if info == NULL and add a res->number_null entry for
  	 that case, or maybe add a function pointer to be called at
  	 the end instead of hardcoding check_format_info_main.  */
@@ -183,7 +243,7 @@
  
        /* Skip to first argument to check, so we can see if this format
  	 has any arguments (it shouldn't).  */
-@@ -2650,6 +2683,54 @@
+@@ -1764,6 +1808,54 @@
  	      main_arg_num = opnum + info->first_arg_num - 1;
  	    }
  	}
@@ -238,7 +298,7 @@
  
        /* Read any format flags, but do not yet validate them beyond removing
  	 duplicates, since in general validation depends on the rest of
-@@ -3024,7 +3105,7 @@
+@@ -2166,7 +2258,7 @@
  	  else if (strchr (fci->flags2, '2') != 0)
  	    y2k_level = 2;
  	  if (y2k_level == 3)