dedad4e3d2
This forces all tests that rely on stdio to be unbuffered, like
interrupt.exp was adjusted in 6f98576f.
To recap, in some scenarios, GDB or GDBserver can be spawned with
input _not_ connected to a tty, and then tests that rely on stdio fail
with timeouts, because the inferior's stdout and stderr streams end up
fully buffered. Calling gdb_unbuffer_output forces output to be
unbuffered.
See https://sourceware.org/ml/gdb-patches/2015-02/msg00809.html and
https://sourceware.org/ml/gdb-patches/2015-02/msg00819.html.
Tested on x86_64 Fedora 20, native, and against a remote gdbserver
board file that connects to the target with ssh, with and without -t
(create pty).
gdb/testsuite/ChangeLog:
2015-07-29 Pedro Alves <palves@redhat.com>
* gdb.base/call-ar-st.c: Include "../lib/unbuffer_output.c".
(main): Call gdb_unbuffer_output.
* gdb.base/call-rt-st.c: Include "../lib/unbuffer_output.c".
(main): Call gdb_unbuffer_output.
* gdb.base/call-strs.c: Include "../lib/unbuffer_output.c".
(main): Call gdb_unbuffer_output.
* gdb.base/call-strs.exp: Adjust to step over the
gdb_unbuffer_output call.
* gdb.base/catch-gdb-caused-signals.c: Include
"../lib/unbuffer_output.c".
(main): Call gdb_unbuffer_output.
* gdb.base/dprintf.c: Include "../lib/unbuffer_output.c".
(main): Call gdb_unbuffer_output.
* gdb.base/ending-run.c: Include "../lib/unbuffer_output.c".
(main): Call gdb_unbuffer_output.
* gdb.base/run.c: Include "../lib/unbuffer_output.c".
(main): Call gdb_unbuffer_output.
* gdb.base/shlib-call.exp: Adjust to step over the
gdb_unbuffer_output call.
* gdb.base/shmain.c: Include "../lib/unbuffer_output.c".
(main): Call gdb_unbuffer_output.
* gdb.base/sizeof.c: Include "../lib/unbuffer_output.c".
(main): Call gdb_unbuffer_output.
* gdb.base/varargs.c: Include "../lib/unbuffer_output.c".
(main): Rename to ...
(test): ... this.
(main): Reimplement.
* gdb.base/varargs.exp: Run to test instead of to main.
* gdb.mi/mi-dprintf.c: Include "../lib/unbuffer_output.c".
(main): Call gdb_unbuffer_output.
150 lines
5.1 KiB
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150 lines
5.1 KiB
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# Copyright 1998-2015 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# This file was written by Elena Zannoni (ezannoni@cygnus.com)
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# This test deals with calling functions which have strings as parameters.
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# it plays around with constant strings.
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# the corresponding source file is call-strs.c
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#
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#debug strarg
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standard_testfile
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# Test depends on printf, which the sparclet stub doesn't support.
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if { [istarget "sparclet-*-*"] } {
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return 0
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}
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# Some targets can't call functions, so don't even bother with this
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# test.
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if [target_info exists gdb,cannot_call_functions] {
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setup_xfail "*-*-*" 2416
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fail "This target can not call functions"
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continue
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}
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if {[prepare_for_testing $testfile.exp $testfile $srcfile debug]} {
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untested $testfile.exp
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return -1
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}
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gdb_test_no_output "set print sevenbit-strings"
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gdb_test_no_output "set print address off"
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gdb_test_no_output "set print symbol off"
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gdb_test_no_output "set width 0"
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if ![runto_main] then {
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perror "couldn't run to breakpoint"
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continue
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}
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set prev_timeout $timeout
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set timeout 120
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gdb_test "next 2" \
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"strcpy\\(buf, \"test string\"\\);" \
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"step after assignment to s"
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#next
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gdb_test "next" \
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"str_func\\(\"abcd\", \"efgh\", \"ijkl\", \"mnop\", \"qrst\", \"uvwx\", \"yz12\"\\);" \
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"next over strcpy"
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#print buf
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gdb_test "print buf" \
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"\"test string\",.*repeats 88 times.*"
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#print s
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gdb_test "print s" \
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" = \"test string\".*"
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#print str_func1(s)
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if ![gdb_skip_stdio_test "print str_func1(s)"] {
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gdb_test_stdio "print str_func1(s)" \
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"first string arg is: test string" \
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"\"test string\".*"
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}
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#print str_func1("test string")
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if ![gdb_skip_stdio_test "print str_func1(teststring)"] {
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gdb_test_stdio "print str_func1(\"test string\")" \
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"first string arg is: test string" \
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"\"test string\".*"
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}
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#call str_func1(s)
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if ![gdb_skip_stdio_test "call str_func1(s)"] {
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gdb_test_stdio "call str_func1(s)" \
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"first string arg is: test string" \
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"\"test string\".*"
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}
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#call str_func1("test string")
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if ![gdb_skip_stdio_test "call str_func1 (...)"] {
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gdb_test_stdio "call str_func1(\"test string\")" \
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"first string arg is: test string" \
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"\"test string\".*"
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}
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#print str_func1(buf)
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if ![gdb_skip_stdio_test "print str_func1(buf)"] {
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gdb_test_stdio "print str_func1(buf)" \
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"first string arg is: test string" \
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"\"test string\".*"
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}
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#call str_func1(buf)
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if ![gdb_skip_stdio_test "call str_func1(buf)"] {
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gdb_test_stdio "call str_func1(buf)" \
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"first string arg is: test string" \
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"\"test string\".*"
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}
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#print str_func("a","b","c","d","e","f","g")
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if ![gdb_skip_stdio_test "print str_func(a,b,c,d,e,f,g)"] {
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gdb_test_stdio "print str_func(\"a\",\"b\",\"c\",\"d\",\"e\",\"f\",\"g\")" \
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"first string arg is: a\[ \t\r\n\]+second string arg is: b\[ \t\r\n\]+third string arg is: c\[ \t\r\n\]+fourth string arg is: d\[ \t\r\n\]+fifth string arg is: e\[ \t\r\n\]+sixth string arg is: f\[ \t\r\n\]+seventh string arg is: g\[ \t\r\n\]+" \
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"= \"abcdefg\".*"
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}
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#call str_func("a","b","c","d","e","f","g")
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if ![gdb_skip_stdio_test "call str_func(a,b,c,d,e,f,g)"] {
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gdb_test_stdio "call str_func(\"a\",\"b\",\"c\",\"d\",\"e\",\"f\",\"g\")" \
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"first string arg is: a\[ \t\r\n\]+second string arg is: b\[ \t\r\n\]+third string arg is: c\[ \t\r\n\]+fourth string arg is: d\[ \t\r\n\]+fifth string arg is: e\[ \t\r\n\]+sixth string arg is: f\[ \t\r\n\]+seventh string arg is: g\[ \t\r\n\]+" \
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"= \"abcdefg\".*"
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}
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#print str_func(s,s,s,s,s,s,s)
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if ![gdb_skip_stdio_test "print str_func(s,s,s,s,s,s,s,s)"] {
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gdb_test_stdio "print str_func(s,s,s,s,s,s,s)" \
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"first string arg is: test string\[ \t\r\n\]+second string arg is: test string\[ \t\r\n\]+third string arg is: test string\[ \t\r\n\]+fourth string arg is: test string\[ \t\r\n\]+fifth string arg is: test string\[ \t\r\n\]+sixth string arg is: test string\[ \t\r\n\]+seventh string arg is: test string\[ \t\r\n\]+" \
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"\"test stringtest stringtest stringtest stringtest stringtest stringtest string\".*"
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}
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#call str_func(s,s,s,s,s,s,s)
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if ![gdb_skip_stdio_test "call str_func(s,s,s,s,s,s,s,s)"] {
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gdb_test_stdio "call str_func(s,s,s,s,s,s,s)" \
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"first string arg is: test string\[ \t\r\n\]+second string arg is: test string\[ \t\r\n\]+third string arg is: test string\[ \t\r\n\]+fourth string arg is: test string\[ \t\r\n\]+fifth string arg is: test string\[ \t\r\n\]+sixth string arg is: test string\[ \t\r\n\]+seventh string arg is: test string\[ \t\r\n\]+" \
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"\"test stringtest stringtest stringtest stringtest stringtest stringtest string\".*"
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}
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gdb_exit
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set timeout $prev_timeout
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