diff options
Diffstat (limited to 'gdb/eval.c')
| -rw-r--r-- | gdb/eval.c | 7 |
1 files changed, 6 insertions, 1 deletions
@@ -39,6 +39,7 @@ #include "cp-support.h" #include "ui-out.h" #include "exceptions.h" +#include "regcache.h" #include "gdb_assert.h" @@ -500,8 +501,12 @@ evaluate_subexp_standard (struct type *expect_type, case OP_REGISTER: { int regno = longest_to_int (exp->elts[pc + 1].longconst); - struct value *val = value_of_register (regno, get_selected_frame (NULL)); + struct value *val; (*pos) += 2; + if (noside == EVAL_AVOID_SIDE_EFFECTS) + val = value_zero (register_type (current_gdbarch, regno), not_lval); + else + val = value_of_register (regno, get_selected_frame (NULL)); if (val == NULL) error (_("Value of register %s not available."), frame_map_regnum_to_name (get_selected_frame (NULL), regno)); |