3 files changed, 165 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.cp/infcall-nodebug-lib.c b/gdb/testsuite/gdb.cp/infcall-nodebug-lib.c
new file mode 100644
index 0000000..92746f2
--- /dev/null
+++ b/gdb/testsuite/gdb.cp/infcall-nodebug-lib.c
@@ -0,0 +1,22 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2018 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/>.  */
+
+int
+foo (void)
+{
+  return 1;
+}
diff --git a/gdb/testsuite/gdb.cp/infcall-nodebug-main.c b/gdb/testsuite/gdb.cp/infcall-nodebug-main.c
new file mode 100644
index 0000000..b623a4a
--- /dev/null
+++ b/gdb/testsuite/gdb.cp/infcall-nodebug-main.c
@@ -0,0 +1,24 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2018 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/>.  */
+
+extern int foo (void);
+
+int
+main (void)
+{
+  return 0;
+}
diff --git a/gdb/testsuite/gdb.cp/infcall-nodebug.exp b/gdb/testsuite/gdb.cp/infcall-nodebug.exp
new file mode 100644
index 0000000..bb77b64
--- /dev/null
+++ b/gdb/testsuite/gdb.cp/infcall-nodebug.exp
@@ -0,0 +1,119 @@
+# This testcase is part of GDB, the GNU debugger.
+# Copyright 2018 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
+    }
+}
+