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# This testcase is part of GDB, the GNU debugger.
# Copyright 2018-2020 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 function calls on C++ functions that have no debug information.
# See gdb/22736. Put the called function in a different object to ensure
# the rest of the test can be complied with debug information. Whilst we
# are at it, also test functions with debug information and C functions too.
if [target_info exists gdb,cannot_call_functions] {
unsupported "this target can not call functions"
continue
}
# Only test C++ if we are able. Always use C.
if { [skip_cplus_tests] || [get_compiler_info "c++"] } {
set lang {c}
} else {
set lang {c c++}
}
set main_basename infcall-nodebug-main
set lib_basename infcall-nodebug-lib
standard_testfile ${main_basename}.c ${lib_basename}.c
set mainsrc "${srcdir}/${subdir}/${srcfile}"
set libsrc "${srcdir}/${subdir}/${srcfile2}"
# Build both source files to objects using language LANG. Use SYMBOLS to build
# with either debug symbols or without - but always build the main file with
# debug. Then make function calls across the files.
proc build_and_run_test { lang symbols } {
global main_basename lib_basename mainsrc libsrc binfile testfile
global gdb_prompt
if { $symbols == "debug" } {
set debug_flags "debug"
} else {
set debug_flags ""
}
# Setup directory.
set dir "$lang-$symbols"
remote_exec build "rm -rf [standard_output_file ${dir}]"
remote_exec build "mkdir -p [standard_output_file ${dir}]"
# Compile both files to objects, then link together.
set main_flags "$lang debug"
set lib_flags "$lang $debug_flags"
set main_o [standard_output_file ${dir}/${main_basename}.o]
set lib_o [standard_output_file ${dir}/${lib_basename}.o]
set binfile [standard_output_file ${dir}/${testfile}]
if { [gdb_compile $mainsrc $main_o object ${main_flags}] != "" } {
untested "failed to compile main file to object"
return -1
}
if { [gdb_compile $libsrc $lib_o object ${lib_flags}] != "" } {
untested "failed to compile secondary file to object"
return -1
}
if { [gdb_compile "$main_o $lib_o" ${binfile} executable ""] != "" } {
untested "failed to compile"
return -1
}
# Startup and run to main.
clean_restart $binfile
if ![runto_main] then {
fail "can't run to main"
return
}
# Function call with cast.
gdb_test "p (int)foo()" " = 1"
# Function call without cast. Will error if there are no debug symbols.
set test "p foo()"
gdb_test_multiple $test $test {
-re " = 1\r\n$gdb_prompt " {
gdb_assert [ string equal $symbols "debug" ]
pass $test
}
-re "has unknown return type; cast the call to its declared return type\r\n$gdb_prompt " {
gdb_assert ![ string equal $symbols "debug" ]
pass $test
}
}
}
foreach_with_prefix l $lang {
foreach_with_prefix s {debug nodebug} {
build_and_run_test $l $s
}
}
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