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https://github.com/bminor/binutils-gdb.git
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19ae4f3f4a
gdb tests historically used "return -1" for some kinds of failure, but there is no reason for the "-1". This patch removes this from the gdb.ada tests.
123 lines
2.7 KiB
Plaintext
123 lines
2.7 KiB
Plaintext
# Copyright 2024-2025 Free Software Foundation, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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load_lib "ada.exp"
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require allow_ada_tests
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standard_ada_testfile parse
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if {[gdb_compile_ada "${srcfile}" "${binfile}" executable {debug}] != "" } {
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return
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}
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clean_restart ${testfile}
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set bp_location [gdb_get_line_number "START" ${testdir}/parse.adb]
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runto "parse.adb:$bp_location"
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# Check that we have the expected value for variable y2.
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gdb_test "p y2" [string_to_regexp " = (a => false, c => 1.0, d => 2)"]
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# Shorthand.
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proc set_lang { lang } {
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gdb_test_multiple "set language $lang" "" {
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-re -wrap "" {
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}
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}
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}
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# Calculate the offset of y2.d.
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set re_cast [string_to_regexp "(access integer)"]
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gdb_test_multiple "print &y2.d - &y2" "" {
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-re -wrap " = $re_cast ($hex)" {
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set offset_d $expect_out(1,string)
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pass $gdb_test_name
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}
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}
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# Try to find a interesting discriminator value, such that at the same time:
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# - the d field is part of the variable, and
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# - the type size is too small to contain d.
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set interesting_discriminator -1
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set_lang c
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for { set i 0 } { $i < 256 } { incr i } {
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with_test_prefix $i {
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# Patch in the discriminator value.
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gdb_test_multiple "set var *(unsigned char *)(&y2.a)=$i" "" {
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-re -wrap "" {
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}
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}
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# Check that we have the variant with fields c+d instead of b.
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set have_b 0
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gdb_test_multiple "with language ada -- print y2.b" "" {
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-re -wrap " = $decimal" {
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set have_b 1
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}
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-re -wrap "" {
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}
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}
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if { $have_b } {
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# This is the variant with field b.
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continue
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}
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set size 0
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gdb_test_multiple "print sizeof (y2)" "" {
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-re -wrap " = (.*)" {
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set size $expect_out(1,string)
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}
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}
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if { ! $size } {
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continue
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}
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if {$size > $offset_d} {
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# Field d fits in the size.
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continue
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}
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set interesting_discriminator $i
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break
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}
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}
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require {expr {$interesting_discriminator != -1}}
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foreach lang [gdb_supported_languages] {
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with_test_prefix $lang {
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set_lang $lang
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gdb_test_multiple "print y2" "" {
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-re -wrap ", d => $decimal.*" {
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fail $gdb_test_name
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}
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-re -wrap ", d = $decimal.*" {
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fail $gdb_test_name
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}
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-re -wrap "" {
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pass $gdb_test_name
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}
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}
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}
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}
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