7150d33cda
Consider the following variable "Indexed_By_Enum", declared as
an access to an array whose index type is an enumerated type
whose underlying values have "gaps":
type Enum_With_Gaps is (LIT0, LIT1, LIT2, LIT3, LIT4);
for Enum_With_Gaps use (LIT0 => 3,
LIT1 => 5,
LIT2 => 8,
LIT3 => 13,
LIT4 => 21);
for Enum_With_Gaps'size use 16;
type MyWord is range 0 .. 16#FFFF# ;
for MyWord'Size use 16;
type AR is array (Enum_With_Gaps range <>) of MyWord;
type AR_Access is access AR;
Indexed_By_Enum : AR_Access :=
new AR'(LIT1 => 1, LIT2 => 43, LIT3 => 42, LIT4 => 41);
Trying to print the length (number of elements) of this array using
the 'Length attribute does not work:
(gdb) print indexed_by_enum'length
'POS only defined on discrete types
The problem occurs while trying to get the array's index type.
It was using TYPE_INDEX_TYPE for that. It does not work for Ada arrays
in general; use ada_index_type instead.
gdb/ChangeLog:
* ada-lang.c (ada_array_length): Use ada_index_type instead of
TYPE_INDEX_TYPE.
gdb/testsuite/ChangeLog:
* gdb.ada/arr_acc_idx_w_gap: New testcase.
Tested on x86_64-linux.
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README for GNU development tools This directory contains various GNU compilers, assemblers, linkers, debuggers, etc., plus their support routines, definitions, and documentation. If you are receiving this as part of a GDB release, see the file gdb/README. If with a binutils release, see binutils/README; if with a libg++ release, see libg++/README, etc. That'll give you info about this package -- supported targets, how to use it, how to report bugs, etc. It is now possible to automatically configure and build a variety of tools with one command. To build all of the tools contained herein, run the ``configure'' script here, e.g.: ./configure make To install them (by default in /usr/local/bin, /usr/local/lib, etc), then do: make install (If the configure script can't determine your type of computer, give it the name as an argument, for instance ``./configure sun4''. You can use the script ``config.sub'' to test whether a name is recognized; if it is, config.sub translates it to a triplet specifying CPU, vendor, and OS.) If you have more than one compiler on your system, it is often best to explicitly set CC in the environment before running configure, and to also set CC when running make. For example (assuming sh/bash/ksh): CC=gcc ./configure make A similar example using csh: setenv CC gcc ./configure make Much of the code and documentation enclosed is copyright by the Free Software Foundation, Inc. See the file COPYING or COPYING.LIB in the various directories, for a description of the GNU General Public License terms under which you can copy the files. REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info on where and how to report problems.