gdb/testsuite/gdb.compile/compile-ifunc.exp

# Copyright 2015-2021 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/>.

if {[skip_ifunc_tests]} {
    return 0
}

standard_testfile

get_compiler_info
set flags ""
if [test_compiler_info gcc*] {
    set flags additional_flags=-Wno-attribute-alias
}

with_test_prefix "nodebug" {

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

    if ![runto_main] {
	return -1
    }

    # This binary has no debug information, so force the language to C in case
    # GDB happened to see real asm code when it stopped at the entry point
    # when talking to a remote target, like gdbserver.  This guarantees the
    # feature check below will work.
    gdb_test_no_output "set language c" ""

    if {[skip_compile_feature_tests]} {
	untested "compile command not supported (could not find libcc1 shared library?)"
	return -1
    }

    gdb_test "compile code resultvar = gnu_ifunc (10);" \
	[multi_line \
	     "warning: variable has unknown type; assuming int" \
	     "warning: function has unknown return type; assuming int"]

    gdb_test "p (int) resultvar" " = 11"

}

with_test_prefix "debug" {

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

    if ![runto_main] {
	return -1
    }
    # gnu_ifunc (10): error: too many arguments to function 'gnu_ifunc'
    gdb_test "compile code resultvar = gnu_ifunc_alias (10);" \
	"warning: function has unknown return type; assuming int"
    gdb_test "p resultvar" " = 11"

}