gdb/testsuite/gdb.go/methods.exp

# This testcase is part of GDB, the GNU debugger.

# Copyright 2012-2021 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 <http://www.gnu.org/licenses/>.

# Test various aspects of methods.

load_lib "go.exp"

if { [skip_go_tests] } { continue }
if { [support_go_compile] == 0 } { continue }

standard_testfile .go

if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} {debug go}] } {
    return -1
}

set bp_location1 {main.T.Foo}
set bp_location2 {main.T.Bar}

if { [go_runto_main] < 0 } {
    return -1
}

set found_wrong_foo 0
set found_wrong_bar 0
gdb_test_multiple "maintenance print symbols" "" {
    -re "^\r\n void main.Foo.N6_main.T\[^\r\n\]*(?=\r\n)" {
	set found_wrong_foo 1
	exp_continue
    }
    -re "^\r\n void main.Bar.pN6_main.T\[^\r\n\]*(?=\r\n)" {
	set found_wrong_bar 1
	exp_continue
    }
    -re "^\r\n void main.T.Bar\[^\r\n\]*(?=\r\n)" {
	exp_continue
    }
    -re "\r\n$gdb_prompt $" {
	pass $gdb_test_name
    }
    -re "\r\n\[^\r\n\]*(?=\r\n)" {
	exp_continue
    }
}

if { $found_wrong_foo } {
    # We have with gccgo-6/7:
    # <1><553>: Abbrev Number: 21 (DW_TAG_subprogram)
    #    <554>   DW_AT_name        : main.Foo.N6_main.T
    setup_xfail "*-*-*"
} else {
    # We have with gccgo-8/9/10:
    # <1><1e24>: Abbrev Number: 40 (DW_TAG_subprogram)
    #    <1e25>   DW_AT_name        : main.Foo.main.T
    #    <1e2c>   DW_AT_linkage_name: main.T.Foo

    # For reference: with go1.11.13:
    # <1><6c46b>: Abbrev Number: 2 (DW_TAG_subprogram)
    #    <6c46c>   DW_AT_name        : main.T.Foo
}

if { [gdb_breakpoint ${bp_location1} message]} {
    gdb_test "cont" "Breakpoint .*, ${bp_location1}.*" \
	"going to first breakpoint"
}

if { $found_wrong_bar == 1 } {
    # We have with gccgo-6/7:
    # <1><528>: Abbrev Number: 19 (DW_TAG_subprogram)
    # <529>   DW_AT_name        : main.Bar.pN6_main.T
    setup_xfail "*-*-*"
} else {
    # We have with gccgo-8/9/10:
    # <1><6e4>: Abbrev Number: 24 (DW_TAG_subprogram)
    #    <6e5>   DW_AT_name        : main.Bar..1main.T
    #    <6ec>   DW_AT_linkage_name: main.T.Bar

    # For reference: with go1.11.13:
    # <1><6c49a>: Abbrev Number: 2 (DW_TAG_subprogram)
    #    <6c49b>   DW_AT_name        : main.(*T).Bar

    # It has been clarified in PR gcc/93866 that it's ok that symbols names
    # diverge between gc and gccgo.  So, we accept the main.T.Bar as valid.
}

if { [gdb_breakpoint ${bp_location2} message] } {
    gdb_test "cont" "Breakpoint .*, ${bp_location2}.*" \
	"going to second breakpoint"
}