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* valops.c (value_cast): When casting a pointer to an integer, 

don't convert it to an address.
This commit is contained in:
Jim Blandy 2001-07-10 21:15:28 +00:00
parent ba3a85231b
commit 2bf1f4a12e
2 changed files with 17 additions and 1 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2001-07-10 Jim Blandy <jimb@redhat.com>
* valops.c (value_cast): When casting a pointer to an integer,
don't convert it to an address.
2001-07-10 Andrew Cagney <ac131313@redhat.com>
* remote-utils.h (struct serial): Declare as opaque. Remove

13
gdb/valops.c
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@ -281,7 +281,18 @@ value_cast (struct type *type, register value_ptr arg2)
break; /* fall out and go to normal handling */
}
}
longest = value_as_long (arg2);
/* When we cast pointers to integers, we mustn't use
POINTER_TO_ADDRESS to find the address the pointer
represents, as value_as_long would. GDB should evaluate
expressions just as the compiler would --- and the compiler
sees a cast as a simple reinterpretation of the pointer's
bits. */
if (code2 == TYPE_CODE_PTR)
longest = extract_unsigned_integer (VALUE_CONTENTS (arg2),
TYPE_LENGTH (type2));
else
longest = value_as_long (arg2);
return value_from_longest (type, convert_to_boolean ?
(LONGEST) (longest ? 1 : 0) : longest);
}