1# Copyright 2019-2020 Free Software Foundation, Inc.
2# This program is free software; you can redistribute it and/or modify
3# it under the terms of the GNU General Public License as published by
4# the Free Software Foundation; either version 3 of the License, or
5# (at your option) any later version.
6#
7# This program is distributed in the hope that it will be useful,
8# but WITHOUT ANY WARRANTY; without even the implied warranty of
9# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10# GNU General Public License for more details.
11#
12# You should have received a copy of the GNU General Public License
13# along with this program.  If not, see <http://www.gnu.org/licenses/>.
14
15# Regression test for a GDB internal error that would trigger if a
16# "catch catch" catchpoint ended up with multiple locations.  This
17# testcase exercises that scenario by building the binary with
18# -static-libgcc/-static-libstdc++ and a shared library that depends
19# on the libstc++.so DSO (which is how GDB was built and revealed the
20# bug), and vice versa.
21
22if {[skip_shlib_tests]} {
23    return 0
24}
25
26# STATIC_BIN indicates whether to build the main binary with
27# -static-libgcc/-static-libstdc++.  STATIC_LIB is the same, but for
28# the shared library.
29proc test_multi_libstdcpp {static_bin static_lib} {
30    global srcdir subdir
31    global decimal hex
32
33    # Library file.
34    set libname "except-multi-location-lib"
35    set srcfile_lib ${srcdir}/${subdir}/${libname}.cc
36    set binfile_lib [standard_output_file ${libname}-$static_bin-$static_lib.so]
37    set lib_flags {debug c++}
38    if {$static_lib} {
39	lappend lib_flags additional_flags=-static-libgcc additional_flags=-static-libstdc++
40    }
41
42    # Binary file.
43    set testfile "except-multi-location-main"
44    set srcfile ${srcdir}/${subdir}/${testfile}.cc
45    set binfile [standard_output_file ${testfile}-$static_bin-$static_lib]
46    set bin_flags [list debug c++ shlib=${binfile_lib}]
47    if {$static_bin} {
48	lappend bin_flags additional_flags=-static-libgcc additional_flags=-static-libstdc++
49    }
50
51    if { [gdb_compile_shlib ${srcfile_lib} ${binfile_lib} $lib_flags] != ""
52	 || [gdb_compile ${srcfile} ${binfile} executable $bin_flags] != "" } {
53	untested "failed to compile"
54	return -1
55    }
56
57    clean_restart
58
59    gdb_load ${binfile}
60    gdb_load_shlib $binfile_lib
61
62    if ![runto_main] {
63	fail "can't run to main"
64	return 0
65    }
66
67    gdb_test "catch catch" "Catchpoint \[0-9\]+ \\(catch\\)"
68    gdb_test "catch throw" "Catchpoint \[0-9\]+ \\(throw\\)"
69    gdb_test "catch rethrow" "Catchpoint \[0-9\]+ \\(rethrow\\)"
70
71    set ws "\[ \t\]*"
72    gdb_test "info breakpoints" \
73	[multi_line \
74	     "${decimal}${ws}catchpoint${ws}keep${ws}y${ws}exception catch" \
75	     "${decimal}${ws}catchpoint${ws}keep${ws}y${ws}exception throw" \
76	     "${decimal}${ws}catchpoint${ws}keep${ws}y${ws}exception rethrow"]
77}
78
79# Try different static/not-static combinations.
80foreach_with_prefix static_lib {"0" "1"} {
81    foreach_with_prefix static_bin {"0" "1"} {
82	test_multi_libstdcpp $static_lib $static_bin
83    }
84}
85