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binutils-gdb
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Modified Files: 

values.c eval.c

        * values.c (value_virtual_fn_field): Fix the offset calculation
        when calling virtual functions. (gdb.t22/virtfunc.exp).
        * eval.c (evaluate_subexp): same as above.
This commit is contained in:
Kung Hsu 1993-10-19 21:20:37 +00:00
parent fd1aec331c
commit dcd8fd8c17
1 changed files with 8 additions and 6 deletions
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14
gdb/values.c
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@ -811,8 +811,9 @@ value_fn_field (arg1p, f, j, type, offset)
*arg1p = value_ind (value_cast (lookup_pointer_type (type),
value_addr (*arg1p)));
/* Move the `this' pointer according to the offset. */
/* Move the `this' pointer according to the offset.
VALUE_OFFSET (*arg1p) += offset;
*/
}
return v;
@ -876,8 +877,9 @@ value_virtual_fn_field (arg1p, f, j, type, offset)
a virtual function. */
entry = value_subscript (vtbl, vi);
/* Move the `this' pointer according to the virtual function table. */
VALUE_OFFSET (arg1) += value_as_long (value_field (entry, 0)) + offset;
/* Move the `this' pointer according to the virtual function table. */
VALUE_OFFSET (arg1) += value_as_long (value_field (entry, 0))/* + offset*/;
if (! VALUE_LAZY (arg1))
{
VALUE_LAZY (arg1) = 1;
@ -962,7 +964,7 @@ value_headof (in_arg, btype, dtype)
* But we leave it in for future use, when we will hopefully
* have optimizes the vtable to use thunks instead of offsets. */
/* Use the name of vtable itself to extract a base type. */
demangled_name += 4; /* Skip _vt$ prefix. */
demangled_name += 4; /* Skip vt$ prefix. */
}
else
{
@ -1019,10 +1021,10 @@ vb_match (type, index, basetype)
if (*name != '_')
return 0;
/* gcc 2.4 uses _vb$. */
/* gcc 2.4 uses vb$. */
if (name[1] == 'v' && name[2] == 'b' && name[3] == CPLUS_MARKER)
field_class_name = name + 4;
/* gcc 2.5 will use __vb_. */
/* gcc 2.5 will use _vb_. */
if (name[1] == '_' && name[2] == 'v' && name[3] == 'b' && name[4] == '_')
field_class_name = name + 5;