diff options
Diffstat (limited to 'gdb/eval.c')
| -rw-r--r-- | gdb/eval.c | 44 |
1 files changed, 39 insertions, 5 deletions
@@ -162,6 +162,7 @@ struct value * evaluate_expression (struct expression *exp) { int pc = 0; + return evaluate_subexp (NULL_TYPE, exp, &pc, EVAL_NORMAL); } @@ -172,6 +173,7 @@ struct value * evaluate_type (struct expression *exp) { int pc = 0; + return evaluate_subexp (NULL_TYPE, exp, &pc, EVAL_AVOID_SIDE_EFFECTS); } @@ -196,6 +198,7 @@ extract_field_op (struct expression *exp, int *subexp) { int tem; char *result; + if (exp->elts[*subexp].opcode != STRUCTOP_STRUCT && exp->elts[*subexp].opcode != STRUCTOP_PTR) return NULL; @@ -216,6 +219,7 @@ get_label (struct expression *exp, int *pos) int pc = (*pos)++; char *name = &exp->elts[pc + 2].string; int tem = longest_to_int (exp->elts[pc + 1].longconst); + (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1); return name; } @@ -237,6 +241,7 @@ evaluate_struct_tuple (struct value *struct_val, int fieldno = -1; int variantno = -1; int subfieldno = -1; + while (--nargs >= 0) { int pc = *pos; @@ -252,12 +257,14 @@ evaluate_struct_tuple (struct value *struct_val, do { char *label = get_label (exp, &pc); + if (label) { for (fieldno = 0; fieldno < TYPE_NFIELDS (struct_type); fieldno++) { char *field_name = TYPE_FIELD_NAME (struct_type, fieldno); + if (field_name != NULL && strcmp (field_name, label) == 0) { variantno = -1; @@ -270,6 +277,7 @@ evaluate_struct_tuple (struct value *struct_val, fieldno++) { char *field_name = TYPE_FIELD_NAME (struct_type, fieldno); + field_type = TYPE_FIELD_TYPE (struct_type, fieldno); if ((field_name == 0 || *field_name == '\0') && TYPE_CODE (field_type) == TYPE_CODE_UNION) @@ -381,6 +389,7 @@ init_array_element (struct value *array, struct value *element, { LONGEST index; int element_size = TYPE_LENGTH (value_type (element)); + if (exp->elts[*pos].opcode == BINOP_COMMA) { (*pos)++; @@ -392,6 +401,7 @@ init_array_element (struct value *array, struct value *element, else if (exp->elts[*pos].opcode == BINOP_RANGE) { LONGEST low, high; + (*pos)++; low = value_as_long (evaluate_subexp (NULL_TYPE, exp, pos, noside)); high = value_as_long (evaluate_subexp (NULL_TYPE, exp, pos, noside)); @@ -464,6 +474,7 @@ unop_promote (const struct language_defn *language, struct gdbarch *gdbarch, it needs to modify this function. */ { struct type *builtin_int = builtin_type (gdbarch)->builtin_int; + if (TYPE_LENGTH (type1) < TYPE_LENGTH (builtin_int)) *arg1 = value_cast (builtin_int, *arg1); } @@ -848,6 +859,7 @@ evaluate_subexp_standard (struct type *expect_type, && TYPE_CODE (type) == TYPE_CODE_STRUCT) { struct value *rec = allocate_value (expect_type); + memset (value_contents_raw (rec), '\0', TYPE_LENGTH (type)); return evaluate_struct_tuple (rec, exp, pos, noside, nargs); } @@ -860,6 +872,7 @@ evaluate_subexp_standard (struct type *expect_type, struct value *array = allocate_value (expect_type); int element_size = TYPE_LENGTH (check_typedef (element_type)); LONGEST low_bound, high_bound, index; + if (get_discrete_bounds (range_type, &low_bound, &high_bound) < 0) { low_bound = 0; @@ -871,6 +884,7 @@ evaluate_subexp_standard (struct type *expect_type, { struct value *element; int index_pc = 0; + if (exp->elts[*pos].opcode == BINOP_RANGE) { index_pc = ++(*pos); @@ -882,6 +896,7 @@ evaluate_subexp_standard (struct type *expect_type, if (index_pc) { int continue_pc = *pos; + *pos = index_pc; index = init_array_element (array, element, exp, pos, noside, low_bound, high_bound); @@ -924,6 +939,7 @@ evaluate_subexp_standard (struct type *expect_type, LONGEST range_low, range_high; struct type *range_low_type, *range_high_type; struct value *elem_val; + if (exp->elts[*pos].opcode == BINOP_RANGE) { (*pos)++; @@ -968,6 +984,7 @@ evaluate_subexp_standard (struct type *expect_type, for (; range_low <= range_high; range_low++) { int bit_index = (unsigned) range_low % TARGET_CHAR_BIT; + if (gdbarch_bits_big_endian (exp->gdbarch)) bit_index = TARGET_CHAR_BIT - 1 - bit_index; valaddr[(unsigned) range_low / TARGET_CHAR_BIT] @@ -991,9 +1008,10 @@ evaluate_subexp_standard (struct type *expect_type, { struct value *array = evaluate_subexp (NULL_TYPE, exp, pos, noside); int lowbound - = value_as_long (evaluate_subexp (NULL_TYPE, exp, pos, noside)); + = value_as_long (evaluate_subexp (NULL_TYPE, exp, pos, noside)); int upper - = value_as_long (evaluate_subexp (NULL_TYPE, exp, pos, noside)); + = value_as_long (evaluate_subexp (NULL_TYPE, exp, pos, noside)); + if (noside == EVAL_SKIP) goto nosideret; return value_slice (array, lowbound, upper - lowbound + 1); @@ -1003,9 +1021,10 @@ evaluate_subexp_standard (struct type *expect_type, { struct value *array = evaluate_subexp (NULL_TYPE, exp, pos, noside); int lowbound - = value_as_long (evaluate_subexp (NULL_TYPE, exp, pos, noside)); + = value_as_long (evaluate_subexp (NULL_TYPE, exp, pos, noside)); int length - = value_as_long (evaluate_subexp (NULL_TYPE, exp, pos, noside)); + = value_as_long (evaluate_subexp (NULL_TYPE, exp, pos, noside)); + return value_slice (array, lowbound, length); } @@ -1101,6 +1120,7 @@ evaluate_subexp_standard (struct type *expect_type, if (gnu_runtime) { struct type *type = selector_type; + type = lookup_function_type (type); type = lookup_pointer_type (type); type = lookup_function_type (type); @@ -1286,6 +1306,7 @@ evaluate_subexp_standard (struct type *expect_type, it. */ struct type *type = value_type (called_method); + if (type && TYPE_CODE (type) == TYPE_CODE_PTR) type = TYPE_TARGET_TYPE (type); type = TYPE_TARGET_TYPE (type); @@ -1367,6 +1388,7 @@ evaluate_subexp_standard (struct type *expect_type, if (noside == EVAL_AVOID_SIDE_EFFECTS) { struct type *method_type = check_typedef (value_type (arg1)); + arg1 = value_zero (method_type, not_lval); } else @@ -1458,6 +1480,7 @@ evaluate_subexp_standard (struct type *expect_type, /* Save the function position and move pos so that the arguments can be evaluated. */ int func_name_len; + save_pos1 = *pos; tem = 1; @@ -1567,6 +1590,7 @@ evaluate_subexp_standard (struct type *expect_type, /* Non-C++ case -- or no overload resolution */ { struct value *temp = arg2; + argvec[0] = value_struct_elt (&temp, argvec + 1, tstr, &static_memfuncp, op == STRUCTOP_STRUCT @@ -1773,6 +1797,7 @@ evaluate_subexp_standard (struct type *expect_type, else { struct value *temp = arg1; + return value_struct_elt (&temp, NULL, &exp->elts[pc + 2].string, NULL, "structure"); } @@ -1818,6 +1843,7 @@ evaluate_subexp_standard (struct type *expect_type, else { struct value *temp = arg1; + return value_struct_elt (&temp, NULL, &exp->elts[pc + 2].string, NULL, "structure pointer"); } @@ -2501,6 +2527,7 @@ evaluate_subexp_standard (struct type *expect_type, else { struct value *retvalp = evaluate_subexp_for_address (exp, pos, noside); + return retvalp; } @@ -2559,6 +2586,7 @@ evaluate_subexp_standard (struct type *expect_type, else { CORE_ADDR tls_addr; + tls_addr = target_translate_tls_address (exp->elts[pc + 1].objfile, value_as_address (arg1)); return value_at_lazy (exp->elts[pc + 2].type, tls_addr); @@ -2579,6 +2607,7 @@ evaluate_subexp_standard (struct type *expect_type, else { struct value *tmp = arg1; + arg2 = value_one (value_type (arg1), not_lval); binop_promote (exp->language_defn, exp->gdbarch, &tmp, &arg2); arg2 = value_binop (tmp, arg2, BINOP_ADD); @@ -2602,6 +2631,7 @@ evaluate_subexp_standard (struct type *expect_type, else { struct value *tmp = arg1; + arg2 = value_one (value_type (arg1), not_lval); binop_promote (exp->language_defn, exp->gdbarch, &tmp, &arg2); arg2 = value_binop (tmp, arg2, BINOP_SUB); @@ -2625,6 +2655,7 @@ evaluate_subexp_standard (struct type *expect_type, else { struct value *tmp = arg1; + arg2 = value_one (value_type (arg1), not_lval); binop_promote (exp->language_defn, exp->gdbarch, &tmp, &arg2); arg2 = value_binop (tmp, arg2, BINOP_ADD); @@ -2649,6 +2680,7 @@ evaluate_subexp_standard (struct type *expect_type, else { struct value *tmp = arg1; + arg2 = value_one (value_type (arg1), not_lval); binop_promote (exp->language_defn, exp->gdbarch, &tmp, &arg2); arg2 = value_binop (tmp, arg2, BINOP_SUB); @@ -2675,6 +2707,7 @@ evaluate_subexp_standard (struct type *expect_type, else if (noside == EVAL_AVOID_SIDE_EFFECTS) { struct type *type = exp->elts[pc + 1].type; + /* If this is a typedef, then find its immediate target. We use check_typedef to resolve stubs, but we ignore its result because we do not want to dig past all @@ -2757,7 +2790,7 @@ evaluate_subexp_for_address (struct expression *exp, int *pos, if (noside == EVAL_AVOID_SIDE_EFFECTS) { struct type *type = - lookup_pointer_type (SYMBOL_TYPE (var)); + lookup_pointer_type (SYMBOL_TYPE (var)); enum address_class sym_class = SYMBOL_CLASS (var); if (sym_class == LOC_CONST @@ -2907,6 +2940,7 @@ parse_and_eval_type (char *p, int length) { char *tmp = (char *) alloca (length + 4); struct expression *expr; + tmp[0] = '('; memcpy (tmp + 1, p, length); tmp[length + 1] = ')'; |