gdb/testsuite/gdb.dwarf2/dw2-single-line-discriminators.exp

# 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 gdb's coalescing of multiple line number entries for the same line
# but with different discriminators.  PR 17276.

load_lib dwarf.exp

# This test can only be run on targets which support DWARF-2 and use gas.
if ![dwarf2_support] {
    return 0  
}

# This test can only be run on x86-64 targets.
if {![istarget x86_64-*] || ![is_lp64_target]} {
    return 0
}

standard_testfile .S
set csrcfile ${testfile}.c

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

if ![runto_main] then {
    continue
}

set srcline [gdb_get_line_number "stepi line" $csrcfile]
gdb_breakpoint $srcline
gdb_continue_to_breakpoint "stepi line"

# A stepi will land us in the middle of the line, and thus
# gdb should print the pc value.
gdb_test "stepi" "$hex\[ \t\]+$srcline\[ \t\]+\[^\r\n\]+"