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gdb: allow enumeration constants as second operand of BINOP_REPEAT

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This patch adds support for TYPE_CODE_ENUM values to be supplied
as right-hand side operand of the BINOP_REPEAT (@) operator. The
following should now work:

enum {
  sz = 17
};

int
main ()
{
  int arr[sz + 1] = { 0 };
  return 0; /* line 9 here */
}

(gdb) b 9
(gdb) r
(gdb) p arr@sz
$1 = {0 <repeats 17 times>}
(gdb)

A couple of tests is also included in this patch to demonstrate that it is
working as intended.

gdb/Changelog:

2016-04-01  Artemiy Volkov  <artemiyv@acm.org>

	PR gdb/19820
	* eval.c (evaluate_subexp_standard): Allow TYPE_CODE_ENUM to be
        the type of BINOP_REPEAT's second operand.

gdb/testsuite/Changelog:

2016-04-01  Artemiy Volkov  <artemiyv@acm.org>

	PR gdb/19820
	* gdb.base/printcmds.exp: Add artificial arrays tests.
This commit is contained in:
Artemiy Volkov
2016-04-01 16:00:59 +01:00
committed by Yao Qi
parent 83cda17b6f
commit cc63428a4c
4 changed files with 18 additions and 1 deletions
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3
gdb/eval.c
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@ -2427,7 +2427,8 @@ evaluate_subexp_standard (struct type *expect_type,
if (noside == EVAL_SKIP)
goto nosideret;
type = check_typedef (value_type (arg2));
if (TYPE_CODE (type) != TYPE_CODE_INT)
if (TYPE_CODE (type) != TYPE_CODE_INT
&& TYPE_CODE (type) != TYPE_CODE_ENUM)
error (_("Non-integral right operand for \"@\" operator."));
if (noside == EVAL_AVOID_SIDE_EFFECTS)
{