gdb/testsuite/gdb.dwarf2/dw2-wrong-mangled-name.exp

# Copyright 2024-2026 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 the backtrace command for a function with wrong linkage name.  It
# verifies the function name matches the name emitted by the compiler in
# the DIE "DW_AT_NAME".

load_lib dwarf.exp

require dwarf2_support

# Only extended remote supports the 'run' command.
require !use_gdb_stub

standard_testfile .c -dw.S

set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
    declare_labels Llines
    global srcdir subdir srcfile

    cu {} {
	compile_unit {
	    DW_AT_language @DW_LANG_C_plus_plus
	    DW_AT_name $srcfile
	} {
	    subprogram {
		MACRO_AT_range {func_demangled_test}
		DW_AT_linkage_name "_FUNC_WRONG_MANGLED__"
		DW_AT_name "func_demangled_test"
		DW_AT_external 1 flag
	    }
	    subprogram {
		MACRO_AT_range {main}
		DW_AT_external 1 flag
		DW_AT_name main
		DW_AT_main_subprogram 1 flag
	    }
	}
    }
}

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

if {![runto_main]} {
    return
}

gdb_breakpoint "func_demangled_test"
gdb_continue_to_breakpoint "func_demangled_test"

gdb_test "backtrace" \
    [multi_line \
	"#0.*in func_demangled_test ()\[^\r\n\]+" \
	"#1.*in main ()\[^\r\n\]+" ]