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# Copyright 2021-2024 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/>.
# This test creates some invalid DWARF, compiles this into an
# executable, then tries to load the executable using the 'file'
# command. We expect to see an error from the DWARF parser.
load_lib dwarf.exp
# This test can only be run on targets which support DWARF-2 and use
# gas.
require dwarf2_support
standard_testfile .c -dw.S
set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
cu {} {
# We should have either one of DW_TAG_compile_unit,
# DW_TAG_partial_unit, or DW_TAG_type_unit here.
subprogram {
{external 1 flag}
{MACRO_AT_func {main}}
}
}
}
# Don't use prepare_for_testing here as we want to manually run the
# file command (so we can check its output).
if {[build_executable "failed to build executable" $testfile \
[list $srcfile $asm_file] {nodebug quiet}]} {
return -1
}
set host_binfile [gdb_remote_download host $binfile]
# Restart with no executable.
clean_restart
gdb_test_no_output "maint set dwarf synchronous on"
# This pattern is hit when GDB does not use -readnow (i.e. the default
# behavior).
set pattern1 \
[multi_line \
"Reading symbols from \[^\r\n\]+" \
"DWARF Error: unexpected tag 'DW_TAG_subprogram' at offset $hex"]
# This pattern is hit when GDB does use -readnow (e.g. running with
# --target_board=readnow).
set pattern2 \
[multi_line \
"Reading symbols from \[^\r\n\]+" \
"Expanding full symbols from \[^\r\n\]+" \
"DWARF Error: unexpected tag 'DW_TAG_subprogram' at offset $hex"]
# Load the executable, we expect an error from the DWARF parser.
gdb_test_multiple "file $host_binfile" "file $testfile" {
-wrap -re $pattern1 {
pass $gdb_test_name
}
-re -wrap "$pattern2" {
pass $gdb_test_name
}
}
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