diff --git a/gdb/testsuite/gdb.ada/variant_record_field.exp b/gdb/testsuite/gdb.ada/variant_record_field.exp new file mode 100644 index 00000000000..f3baa25f020 --- /dev/null +++ b/gdb/testsuite/gdb.ada/variant_record_field.exp @@ -0,0 +1,50 @@ +# Copyright 2024 Free Software Foundation, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +load_lib "ada.exp" + +require allow_ada_tests + +standard_ada_testfile foo + +# The compiler used to emit an invalid DWARF expression for the record +# size, so GDB could not 'print p_record' correctly: a direct 'print +# p_record.i' worked, but iteration over the record fields was broken. +# +# Originally observed at -O2, and the bug was reproducible with just +# -Og. The DWARF fix covered both optimization levels; not worth +# making guarantees beyond -Og though, so test that. + +if {[gdb_compile_ada "${srcfile}" "${binfile}" executable [list debug optimize=-Og]] != ""} { + return -1 +} + +clean_restart ${testfile} + +set bp_location [gdb_get_line_number "BREAK" ${srcfile}] +runto "${testfile}.adb:${bp_location}" + +set test "print p_record" +gdb_test_multiple "$test" "$test" { + -re "\\(kind => five, i => 1200\\)" { + pass $test + } + -re "\\(kind => five, i => " { + if { [gcc_major_version] <= 14 } { + setup_xfail *-*-* + } + fail $test + } +} diff --git a/gdb/testsuite/gdb.ada/variant_record_field/foo.adb b/gdb/testsuite/gdb.ada/variant_record_field/foo.adb new file mode 100644 index 00000000000..2526a1dfb39 --- /dev/null +++ b/gdb/testsuite/gdb.ada/variant_record_field/foo.adb @@ -0,0 +1,47 @@ +-- Copyright 2024 Free Software Foundation, Inc. +-- +-- This program is free software; you can redistribute it and/or modify +-- it under the terms of the GNU General Public License as published by +-- the Free Software Foundation; either version 3 of the License, or +-- (at your option) any later version. +-- +-- This program is distributed in the hope that it will be useful, +-- but WITHOUT ANY WARRANTY; without even the implied warranty of +-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +-- GNU General Public License for more details. +-- +-- You should have received a copy of the GNU General Public License +-- along with this program. If not, see . +with Ada.Text_IO; + +procedure Foo is + + package P is + + type Int16 is range 0 .. 2 ** 16 - 1; + type Enum is (Zero, One, Two, Three, Four, Five, Six, Seven, Eight, Nine); + + type Rec (Kind : Enum := Zero) is record + case Kind is + when Four .. Seven => + I : Int16; + when others => + null; + end case; + end record; + + end P; + + P_Record : P.Rec; + I : P.Int16; + + procedure Dump is + begin + Ada.Text_IO.Put_Line ("P_Record.I => " & P_Record.I'Image); -- BREAK + end Dump; + +begin + I := P.Int16'(1200); + P_Record := (Kind => P.Five, I => I); + Dump; +end Foo;