merge from gcc

4 files changed, 104 insertions, 12 deletions

diff --git a/include/ChangeLog b/include/ChangeLog
index 6c045d3bb47..67caa96ee03 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,10 @@
+2001-10-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* libiberty.h (hex_init): Revert delete.
+
+	* libiberty.h (_hex_value): Const-ify.
+	(hex_init): Delete.
+
 2001-10-16  Christopher Faylor  <cgf@redhat.com>
 
 	* filenames.h: Add cygwin to the list of dosish style path systems.
diff --git a/include/libiberty.h b/include/libiberty.h
index 9501365c6ee..455643d3a92 100644
--- a/include/libiberty.h
+++ b/include/libiberty.h
@@ -240,7 +240,7 @@ extern PTR xmemdup PARAMS ((const PTR, size_t, size_t)) ATTRIBUTE_MALLOC;
 
 #define _hex_array_size 256
 #define _hex_bad	99
-extern char _hex_value[_hex_array_size];
+extern const char _hex_value[_hex_array_size];
 extern void hex_init PARAMS ((void));
 #define hex_p(c)	(hex_value (c) != _hex_bad)
 /* If you change this, note well: Some code relies on side effects in
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index 29777fec7c4..b8bf0b99220 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,10 @@
+2001-10-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* hex.c (hex_init): Provide empty stub.
+
+	* hex.c (hex_init): Delete.
+	(_hex_value): Const-ify and initialize at compile-time.
+
 2001-10-19  H.J. Lu <hjl@gnu.org>
 
 	* Makefile.in ($(TARGETLIB)): Also generate pic/$(TARGETLIB) if
diff --git a/libiberty/hex.c b/libiberty/hex.c
index 3a2eef03d4c..3ba04ba83de 100644
--- a/libiberty/hex.c
+++ b/libiberty/hex.c
@@ -1,5 +1,5 @@
 /* Hex character manipulation support.
-   Copyright (C) 1995 Free Software Foundation, Inc.
+   Copyright (C) 1995, 2001 Free Software Foundation, Inc.
 
 This file is part of the libiberty library.
 Libiberty is free software; you can redistribute it and/or
@@ -17,17 +17,95 @@ License along with libiberty; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA.  */
 
+#include <stdio.h>  /* for EOF */
 #include "libiberty.h"
 
-char _hex_value[_hex_array_size];
-
-void hex_init ()
+/* Provided for ABI compatibility.  */
+void
+hex_init ()
 {
-  int i;
-  for (i = 0; i < _hex_array_size; i++)
-    _hex_value[i] = _hex_bad;
-  for (i = 0; i < 10; i++)
-    _hex_value['0' + i] = i;
-  for (i = 0; i < 6; i++)
-    _hex_value['a' + i] = _hex_value['A' + i] = 10 + i;
 }
+
+/* Are we ASCII? */
+#if '\n' == 0x0A && ' ' == 0x20 && '0' == 0x30 \
+  && 'A' == 0x41 && 'a' == 0x61 && '!' == 0x21 \
+  && EOF == -1
+
+const char _hex_value[_hex_array_size] =
+{
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* NUL SOH STX ETX */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* EOT ENQ ACK BEL */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* BS  HT  LF  VT  */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* FF  CR  SO  SI  */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* DLE DC1 DC2 DC3 */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* DC4 NAK SYN ETB */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* CAN EM  SUB ESC */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* FS  GS  RS  US  */
+
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* SP  !   "   #   */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* $   %   &   '   */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* (   )   *   +   */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* ,   -   .   /   */
+  0,        1,        2,        3,          /* 0   1   2   3   */
+  4,        5,        6,        7,          /* 4   5   6   7   */
+  8,        9,        _hex_bad, _hex_bad,   /* 8   9   :   ;   */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* <   =   >   ?   */
+
+  _hex_bad, 10,       11,       12,         /* @   A   B   C   */
+  13,       14,       15,       _hex_bad,   /* D   E   F   G   */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* H   I   J   K   */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* L   M   N   O   */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* P   Q   R   S   */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* T   U   V   W   */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* X   Y   Z   [   */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* \   ]   ^   _   */
+
+  _hex_bad, 10,       11,       12,         /* `   a   b   c   */
+  13,       14,       15,       _hex_bad,   /* d   e   f   g   */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* h   i   j   k   */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* l   m   n   o   */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* p   q   r   s   */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* t   u   v   w   */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* x   y   z   {   */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,   /* |   }   ~   DEL */
+
+  /* The high half of unsigned char, all values are _hex_bad.  */
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+  _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+};
+#else
+ #error "Unsupported host character set"
+#endif /* not ASCII */