gdb/testsuite/gdb.dwarf2/dw2-op-out-param.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/>.

load_lib dwarf.exp

set test "dw2-op-out-param"

# 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
}

if { [prepare_for_testing "failed to prepare" "${test}" ${test}.S {nodebug}] } {
    return -1
}

if ![runto_main] {
    return -1
}

gdb_breakpoint "breakpt"

# Change the radix, making it easier to spot 0xdeadbeef in output.
gdb_test "set output-radix 16" \
    "Output radix now set to decimal 16, hex 10, octal 20."

# So we get to see the structure arguments.
gdb_test_no_output "set print frame-arguments all"

# (1) int_param_single_reg_loc
gdb_continue_to_breakpoint "Stop in breakpt for test int_param_single_reg_loc"
gdb_test "bt" "#0  ($hex in )?breakpt \\(\\)\r\n#1  ($hex in )?int_param_single_reg_loc \\(operand0=<optimized out>, operand1=0xdeadbe00deadbe01, operand2=<optimized out>\\)\r\n#2  ($hex in )?main \\(\\)" "backtrace for test int_param_single_reg_loc"

# (2) struct_param_single_reg_loc
gdb_continue_to_breakpoint "Stop in breakpt for struct_param_single_reg_loc"
gdb_test "bt" "#0  ($hex in )?breakpt \\(\\)\r\n#1  ($hex in )?struct_param_single_reg_loc \\(operand0={a = 0xdeadbe00deadbe01, b = <optimized out>}, operand1={a = <optimized out>, b = 0xdeadbe04deadbe05}, operand2=<optimized out>\\)\r\n#2  ($hex in )?main \\(\\)" "backtrace for test struct_param_single_reg_loc"

# (3) struct_param_two_reg_pieces
gdb_continue_to_breakpoint "Stop in breakpt for struct_param_two_reg_pieces"
gdb_test "bt" "#0  ($hex in )?breakpt \\(\\)\r\n#1  ($hex in )?struct_param_two_reg_pieces \\(operand0={a = 0xdeadbe04deadbe05, b = <optimized out>}, operand1={a = <optimized out>, b = 0xdeadbe00deadbe01}, operand2=<optimized out>\\)\r\n#2  ($hex in )?main \\(\\)" "backtrace for test struct_param_two_reg_pieces"

# (4) int_param_two_reg_pieces
gdb_continue_to_breakpoint "Stop in breakpt for int_param_two_reg_pieces"
gdb_test "bt" "#0  ($hex in )?breakpt \\(\\)\r\n#1  ($hex in )?int_param_two_reg_pieces \\(operand0=<optimized out>, operand1=<optimized out>, operand2=<optimized out>\\)\r\n#2  ($hex in )?main \\(\\)" "backtrace for test int_param_two_reg_pieces"