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* valops.c (value_cast): Simplify and correct logic for doing a

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static cast from a pointer to a base class to a pointer to a
derived class.
This commit is contained in:
Jim Blandy
2002-08-21 17:24:31 +00:00
parent 0ab7a79125
commit d174216d52
2 changed files with 11 additions and 12 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2002-08-21 Jim Blandy <jimb@redhat.com>
* valops.c (value_cast): Simplify and correct logic for doing a
static cast from a pointer to a base class to a pointer to a
derived class.
2002-08-21 Andrew Cagney <ac131313@redhat.com>
* infcmd.c (default_print_registers_info): Replace

17
gdb/valops.c
View File

@ -361,18 +361,11 @@ value_cast (struct type *type, struct value *arg2)
value_zero (t1, not_lval), 0, t1, 1);
if (v)
{
struct value *v2 = value_ind (arg2);
VALUE_ADDRESS (v2) -= VALUE_ADDRESS (v)
+ VALUE_OFFSET (v);
/* JYG: adjust the new pointer value and
embedded offset. */
v2->aligner.contents[0] -= VALUE_EMBEDDED_OFFSET (v);
VALUE_EMBEDDED_OFFSET (v2) = 0;
v2 = value_addr (v2);
VALUE_TYPE (v2) = type;
return v2;
CORE_ADDR addr2 = value_as_address (arg2);
addr2 -= (VALUE_ADDRESS (v)
+ VALUE_OFFSET (v)
+ VALUE_EMBEDDED_OFFSET (v));
return value_from_pointer (type, addr2);
}
}
}