xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.multi/multi-arch.exp (revision 06dfa8449cb5e76c0044ec0f3badf7d5180af0f5) 
1# Copyright 2009-2020 Free Software Foundation, Inc.
2
3# This program is free software; you can redistribute it and/or modify
4# it under the terms of the GNU General Public License as published by
5# the Free Software Foundation; either version 3 of the License, or
6# (at your option) any later version.
7#
8# This program is distributed in the hope that it will be useful,
9# but WITHOUT ANY WARRANTY; without even the implied warranty of
10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11# GNU General Public License for more details.
12#
13# You should have received a copy of the GNU General Public License
14# along with this program.  If not, see <http://www.gnu.org/licenses/>.
15
16# Test multi-exec / multi-process features that work for all configurations,
17# even ones that cannot run multiple processes simultaneously.
18
19set testfile "multi-arch"
20
21# The plain remote target can't do multiple inferiors.
22if [use_gdb_stub] {
23    return
24}
25
26# The 64-bit compile may succeed for i386-linux, but gdb won't be able
27# to load the file.
28if [istarget "i?86-*linux*"] {
29    return
30}
31
32# Can't use standard_testfile, we want executables with specialized
33# names.
34set exec1 "ma-hello"
35set srcfile1 hello.c
36set binfile1 [standard_output_file ${exec1}]
37
38set exec2 "ma-hangout"
39set srcfile2 hangout.c
40set binfile2 [standard_output_file ${exec2}]
41
42# Build two executables, one for each arch.
43
44if [istarget "s390*-*-*"] {
45    set march1 "-m64"
46    set march2 "-m31"
47} elseif { [istarget "aarch64*-*-*"] } {
48    set march1 ""
49    set march2 ""
50} else {
51    set march1 "-m64"
52    set march2 "-m32"
53}
54
55if { [prepare_for_testing "failed to prepare" ${exec1} "${srcfile1}" \
56	  [list debug additional_flags=${march1}]] } {
57    return -1
58}
59
60set options [list debug]
61
62if [istarget "aarch64*-*-*"] {
63    if {[info exists ARM_CC_FOR_TARGET]} {
64	lappend options "compiler=${ARM_CC_FOR_TARGET}"
65    } else {
66	unsupported "ARM compiler is not known"
67	return -1
68    }
69} else {
70    lappend options "additional_flags=${march2}"
71}
72
73if { [prepare_for_testing "failed to prepare" ${exec2} "${srcfile2}" \
74	 $options]} {
75    return -1
76}
77
78# Start inferior 1
79
80clean_restart ${exec1}
81if ![runto_main] then {
82    fail "starting inferior 1"
83}
84
85# Add and start inferior 2
86
87gdb_test "add-inferior" "Added inferior 2.*" "add empty inferior 2"
88gdb_test "inferior 2" "Switching to inferior 2.*" "switch to inferior 2"
89gdb_load ${binfile2}
90
91if ![runto_main] then {
92    fail "starting inferior 2"
93}
94
95# Check we do have two inferiors loaded.
96
97gdb_test "info inferiors" \
98    "Executable.*${exec1}.*${exec2}.*"
99
100# Now select inferior 2, and trigger an event in inferior 1.  This
101# tries to check that GDB doesn't incorrectly uses the architecture of
102# inferior 2 when parsing the expedited registers in a stop reply for
103# inferior 1 (when remote debugging).
104
105gdb_test_no_output "set schedule-multiple on"
106
107with_test_prefix "inf1 event with inf2 selected" {
108    gdb_test "inferior 2" "Switching to inferior 2.*thread 2\.1.*main.*${srcfile2}.*"
109    gdb_test "b hello_loop" "Breakpoint .* at .*${srcfile1}.*"
110    gdb_test "c" " hello_loop.*" "continue to hello_loop"
111}
112
113delete_breakpoints
114
115# Same, but the other way around: select inferior 1 and trigger an
116# event in inferior 2.
117
118with_test_prefix "inf2 event with inf1 selected" {
119    gdb_test "inferior 1" "Switching to inferior 1.*thread 1\.1.*hello_loop.*${srcfile1}.*"
120    gdb_test "b hangout_loop" "Breakpoint .* at .*${srcfile2}.*"
121    gdb_test "c" " hangout_loop.*" "continue to hangout_loop"
122}
123