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* mi/mi-common.c (_initialize_gdb_mi_common): Remove.

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Use static_assert to check the size of
	async_reason_string_lookup.
	* common/gdb_assert.h (static_assert): New macro.
This commit is contained in:
Tom Tromey 2011-11-22 21:18:38 +00:00
parent fc87b9e825
commit f5afdc187d
3 changed files with 16 additions and 11 deletions
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7
gdb/ChangeLog
View File

@ -1,3 +1,10 @@
2011-11-22 Tom Tromey <tromey@redhat.com>
* mi/mi-common.c (_initialize_gdb_mi_common): Remove.
Use static_assert to check the size of
async_reason_string_lookup.
* common/gdb_assert.h (static_assert): New macro.
2011-11-22 Alan Modra <amodra@gmail.com>
* rs6000-tdep.c (ppc_deal_with_atomic_sequence): Correct branch

6
gdb/common/gdb_assert.h
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@ -20,6 +20,12 @@
#ifndef GDB_ASSERT_H
#define GDB_ASSERT_H
/* A static assertion. This will cause a compile-time error if EXPR,
which must be a compile-time constant, is false. */
#define static_assert(expr) \
extern int never_defined_just_used_for_checking[(expr) ? 1 : -1]
/* PRAGMATICS: "gdb_assert.h":gdb_assert() is a lower case (rather
than upper case) macro since that provides the closest fit to the
existing lower case macro <assert.h>:assert() that it is

14
gdb/mi/mi-common.c
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@ -18,6 +18,7 @@
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "gdb_assert.h"
#include "mi-common.h"
static const char * const async_reason_string_lookup[] =
@ -37,19 +38,10 @@ static const char * const async_reason_string_lookup[] =
NULL
};
static_assert (ARRAY_SIZE (async_reason_string_lookup) == EXEC_ASYNC_LAST + 1);
const char *
async_reason_lookup (enum async_reply_reason reason)
{
return async_reason_string_lookup[reason];
}
/* Provide a prototype to silence -Wmissing-prototypes. */
extern initialize_file_ftype _initialize_gdb_mi_common;
void
_initialize_gdb_mi_common (void)
{
if (ARRAY_SIZE (async_reason_string_lookup) != EXEC_ASYNC_LAST + 1)
internal_error (__FILE__, __LINE__,
_("async_reason_string_lookup is inconsistent"));
}