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| author | Siva Chandra <sivachandra@chromium.org> | 2014-11-11 05:43:03 -0800 |
|---|---|---|
| committer | Siva Chandra <sivachandra@chromium.org> | 2014-11-28 16:01:16 -0800 |
| commit | 6c659fc2c7cd2da6d2b9a3d7c38597ad3821832a (patch) | |
| tree | 4d45593c088252f07a928ff05ba96e79ea629daf /gdb/value.c | |
| parent | f4f855e84b45eb41987641b4a26037c7444dda33 (diff) | |
Enable chained function calls in C++ expressions.
gdb/ChangeLog:
* eval.c: Include gdbthread.h.
(evaluate_subexp): Enable thread stack temporaries before
evaluating a complete expression and clean them up after the
evaluation is complete.
* gdbthread.h: Include common/vec.h.
(value_ptr): New typedef.
(VEC (value_ptr)): New vector type.
(value_vec): New typedef.
(struct thread_info): Add new fields stack_temporaries_enabled
and stack_temporaries.
(enable_thread_stack_temporaries)
(thread_stack_temporaries_enabled_p, push_thread_stack_temporary)
(get_last_thread_stack_temporary)
(value_in_thread_stack_temporaries): Declare.
* gdbtypes.c (class_or_union_p): New function.
* gdbtypes.h (class_or_union_p): Declare.
* infcall.c (call_function_by_hand): Store return values of class
type as temporaries on stack.
* thread.c (enable_thread_stack_temporaries): New function.
(thread_stack_temporaries_enabled_p, push_thread_stack_temporary)
(get_last_thread_stack_temporary): Likewise.
(value_in_thread_stack_temporaries): Likewise.
* value.c (value_force_lval): New function.
* value.h (value_force_lval): Declare.
gdb/testsuite/ChangeLog:
* gdb.cp/chained-calls.cc: New file.
* gdb.cp/chained-calls.exp: New file.
* gdb.cp/smartp.exp: Remove KFAIL for "p c2->inta".
Diffstat (limited to 'gdb/value.c')
| -rw-r--r-- | gdb/value.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gdb/value.c b/gdb/value.c index ecfb154b8b..3a9c3a9cfd 100644 --- a/gdb/value.c +++ b/gdb/value.c @@ -1724,6 +1724,18 @@ value_non_lval (struct value *arg) return arg; } +/* Write contents of V at ADDR and set its lval type to be LVAL_MEMORY. */ + +void +value_force_lval (struct value *v, CORE_ADDR addr) +{ + gdb_assert (VALUE_LVAL (v) == not_lval); + + write_memory (addr, value_contents_raw (v), TYPE_LENGTH (value_type (v))); + v->lval = lval_memory; + v->location.address = addr; +} + void set_value_component_location (struct value *component, const struct value *whole) |