gdb/testsuite/gdb.dwarf2/bad-regnum.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/>.

load_lib dwarf.exp

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

standard_testfile main.c -dw.S

# Make some DWARF for the test.
set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
    global srcfile

    cu {} {
	DW_TAG_compile_unit {
	    {DW_AT_language @DW_LANG_C}
	    {DW_AT_name     $srcfile}
	    {DW_AT_comp_dir /tmp}
	} {
	    declare_labels integer_label

	    integer_label: DW_TAG_base_type {
		{DW_AT_byte_size 4 DW_FORM_sdata}
		{DW_AT_encoding  @DW_ATE_signed}
		{DW_AT_name      integer}
	    }

	    DW_TAG_variable {
		{DW_AT_name foo1}
		{DW_AT_type :$integer_label}
		{DW_AT_location {
		    DW_OP_regx 2147483647
		} SPECIAL_expr}
		{external 1 flag}
	    }

	    DW_TAG_variable {
		{DW_AT_name foo2}
		{DW_AT_type :$integer_label}
		{DW_AT_location {
		    DW_OP_regx -1
		} SPECIAL_expr}
		{external 1 flag}
	    }
	}
    }
}

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

if ![runto_main] {
    return -1
}

gdb_test "info addr foo1" \
    "Symbol \"foo1\" is a variable in \\\$bad_register_number."

gdb_test "info addr foo2" \
    "Symbol \"foo2\" is a variable in \\\$bad_register_number."