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Split out ada_atr_size

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This splits OP_ATR_SIZE into a new function for future use.

gdb/ChangeLog
2021-03-08  Tom Tromey  <tom@tromey.com>

	* ada-lang.c (ada_atr_size): New function.
	(ada_evaluate_subexp): Use it.
This commit is contained in:
Tom Tromey
2021-03-08 07:27:57 -07:00
parent 020dbabe22
commit 68c757358f
2 changed files with 31 additions and 15 deletions
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41
gdb/ada-lang.c
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@ -10025,6 +10025,31 @@ ada_atr_tag (struct type *expect_type,
return ada_value_tag (arg1);
}
/* A helper function for OP_ATR_SIZE. */
static value *
ada_atr_size (struct type *expect_type,
struct expression *exp,
enum noside noside, enum exp_opcode op,
struct value *arg1)
{
struct type *type = value_type (arg1);
/* If the argument is a reference, then dereference its type, since
the user is really asking for the size of the actual object,
not the size of the pointer. */
if (type->code () == TYPE_CODE_REF)
type = TYPE_TARGET_TYPE (type);
if (noside == EVAL_SKIP)
return eval_skip_value (exp);
else if (noside == EVAL_AVOID_SIDE_EFFECTS)
return value_zero (builtin_type (exp->gdbarch)->builtin_int, not_lval);
else
return value_from_longest (builtin_type (exp->gdbarch)->builtin_int,
TARGET_CHAR_BIT * TYPE_LENGTH (type));
}
/* Implement the evaluate_exp routine in the exp_descriptor structure
for the Ada language. */
@ -10802,21 +10827,7 @@ ada_evaluate_subexp (struct type *expect_type, struct expression *exp,
case OP_ATR_SIZE:
arg1 = evaluate_subexp (nullptr, exp, pos, noside);
type = value_type (arg1);
/* If the argument is a reference, then dereference its type, since
the user is really asking for the size of the actual object,
not the size of the pointer. */
if (type->code () == TYPE_CODE_REF)
type = TYPE_TARGET_TYPE (type);
if (noside == EVAL_SKIP)
goto nosideret;
else if (noside == EVAL_AVOID_SIDE_EFFECTS)
return value_zero (builtin_type (exp->gdbarch)->builtin_int, not_lval);
else
return value_from_longest (builtin_type (exp->gdbarch)->builtin_int,
TARGET_CHAR_BIT * TYPE_LENGTH (type));
return ada_atr_size (expect_type, exp, noside, op, arg1);
case OP_ATR_VAL:
evaluate_subexp (nullptr, exp, pos, EVAL_SKIP);