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[thirdparty/binutils-gdb.git] / gdb / testsuite / gdb.base / long_long.c

diff --git a/gdb/testsuite/gdb.base/long_long.c b/gdb/testsuite/gdb.base/long_long.c
index 04fba92897e63b2dcc8f50f4123faf93801c778e..9b5fa53d567932caa0cac7a5ca69f917d5932b7e 100644 (file)
--- a/gdb/testsuite/gdb.base/long_long.c
+++ b/gdb/testsuite/gdb.base/long_long.c
@@ -1,3 +1,22 @@
+/* This test script is part of GDB, the GNU debugger.
+
+   Copyright 1999, 2004,
+   Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+   */
+
 /* Test long long expression; test printing in general.
  *
  * /CLO/BUILD_ENV/Exports/cc -g +e -o long_long long_long.c
@@ -7,55 +26,76 @@
  * cc +e +DA2.0 -g -o long_long long_long.c
  */
 
-#ifdef PROTOTYPES
-long long callee(long long i)
-#else
-long long callee( i )
-long long i;
-#endif
-{
-   register long long result;
+#include <string.h>
 
-   result  = 0x12345678;
-   result  = result << i;
-   result += 0x9abcdef0;
+enum { MAX_BYTES = 16 };
 
-   return result;
+void
+pack (unsigned char b[MAX_BYTES], int size, int nr)
+{
+  static long long val[] = { 0x123456789abcdefLL, 01234567123456701234567LL, 12345678901234567890ULL};
+  volatile static int e = 1;
+  int i;
+  for (i = 0; i < nr; i++)
+    {
+      int offset;
+      if (*(char *)&e)
+       /* Little endian.  */
+       offset = sizeof (long long) - size;
+      else
+       /* Big endian endian.  */
+       offset = 0;
+      memcpy (b + size * i, (char *) val + sizeof (long long) * i + offset, size);
+    }
 }
 
+unsigned char b[MAX_BYTES];
+unsigned char h[MAX_BYTES];
+unsigned char w[MAX_BYTES];
+unsigned char g[MAX_BYTES];
+
+unsigned char c[MAX_BYTES];
+unsigned char s[MAX_BYTES];
+unsigned char i[MAX_BYTES];
+unsigned char l[MAX_BYTES];
+unsigned char ll[MAX_BYTES];
+
 int known_types()
 {
-   long long bin = 0, oct = 0, dec = 0, hex = 0;
+  /* A union is used here as, hopefully it has well defined packing
+     rules.  */
+  struct {
+    long long bin, oct, dec, hex;    
+  } val;
+  memset (&val, 0, sizeof val);
 
-   /* Known values, filling the full 64 bits.
-    */
-   bin = 0x123456789abcdefLL; /* 64 bits = 16 hex digits */
-   oct = 01234567123456701234567LL; /*  = 21+ octal digits */
-   dec = 12345678901234567890ULL;    /*  = 19+ decimal digits */
+  /* Known values, filling the full 64 bits.  */
+  val.bin = 0x123456789abcdefLL; /* 64 bits = 16 hex digits */
+  val.oct = 01234567123456701234567LL; /*  = 21+ octal digits */
+  val.dec = 12345678901234567890ULL;    /*  = 19+ decimal digits */
 
-   /* Stop here and look!
-    */
-   hex = bin - dec | oct;
+  /* Stop here and look!  */
+  val.hex = val.bin - val.dec | val.oct;
 
-   return 0;
+  return 0;
 }
 
 int main() {
 
-   register long long x, y;
-   register long long i;
-   
-   x = (long long) 0xfedcba9876543210LL;
-   y = x++;
-   x +=y;
-   i = 11;
-   x = callee( i );
-   y += x;
+   /* Pack Byte, Half, Word and Giant arrays with byte-orderd values.
+      That way "(gdb) x" gives the same output on different
+      architectures.  */
+   pack (b, 1, 2);
+   pack (h, 2, 2);
+   pack (w, 4, 2);
+   pack (g, 8, 2);
+   pack (c, sizeof (char), 2);
+   pack (s, sizeof (short), 2);
+   pack (i, sizeof (int), 2);
+   pack (l, sizeof (long), 2);
+   pack (ll, sizeof (long long), 2);
 
    known_types();
    
    return 0;
 }
-
-
-