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| author | Jan Kratochvil <jan.kratochvil@redhat.com> | 2011-10-09 19:36:06 +0000 |
|---|---|---|
| committer | Jan Kratochvil <jan.kratochvil@redhat.com> | 2011-10-09 19:36:06 +0000 |
| commit | ac71a68c85a70ebe474e39ef64773112f6474514 (patch) | |
| tree | d0cbedd1ea96a621dfddc70732269da7342c6502 /gdb/valops.c | |
| parent | e18b27534c2181c92dc9b685adc05bcf6b685817 (diff) | |
| download | gdb-ac71a68c85a70ebe474e39ef64773112f6474514.zip gdb-ac71a68c85a70ebe474e39ef64773112f6474514.tar.gz gdb-ac71a68c85a70ebe474e39ef64773112f6474514.tar.bz2 | |
gdb/
Make some lval_funcs methods to default on NULL.
* valops.c (value_fetch_lazy): Check if lval_computed read method is
NULL.
(value_assign): Check if lval_computed write method is NULL.
* value.h (struct lval_funcs): Comment NULL values for read and write
methods.
Diffstat (limited to 'gdb/valops.c')
| -rw-r--r-- | gdb/valops.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/gdb/valops.c b/gdb/valops.c index 32d71cd..e88e9dc 100644 --- a/gdb/valops.c +++ b/gdb/valops.c @@ -1110,7 +1110,8 @@ value_fetch_lazy (struct value *val) watchpoints from trying to watch the saved frame pointer. */ value_free_to_mark (mark); } - else if (VALUE_LVAL (val) == lval_computed) + else if (VALUE_LVAL (val) == lval_computed + && value_computed_funcs (val)->read != NULL) value_computed_funcs (val)->read (val); else if (value_optimized_out (val)) /* Keep it optimized out. */; @@ -1381,9 +1382,13 @@ value_assign (struct value *toval, struct value *fromval) { const struct lval_funcs *funcs = value_computed_funcs (toval); - funcs->write (toval, fromval); + if (funcs->write != NULL) + { + funcs->write (toval, fromval); + break; + } } - break; + /* Fall through. */ default: error (_("Left operand of assignment is not an lvalue.")); |