[gdb/testsuite] Fix gdb.server/server-connect.exp for missing ipv6
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Commit Message
On a system without ipv6 support enabled, when running test-case
gdb.server/server-connect.exp, it takes about 4 minutes, and I get:
...
builtin_spawn gdbserver --once ::1:2347 server-connect^M
Can't open socket: Address family not supported by protocol.^M
Exiting^M
PASS: gdb.server/server-connect.exp: tcp6: start gdbserver
target remote tcp6:::1:2347^M
A program is being debugged already. Kill it? (y or n) y^M
could not connect: Address family not supported by protocol.^M
(gdb) FAIL: gdb.server/server-connect.exp: tcp6: connect to gdbserver using tcp6:::1
...
Fix this by:
- recognizing the error message in gdbserver_start, and returning an empty list
to signal unsupported, and
- handling the unsupported response in the test-case.
This brings testing time down to 2 seconds, and gets me:
...
UNSUPPORTED: gdb.server/server-connect.exp: tcp6: start gdbserver
UNSUPPORTED: gdb.server/server-connect.exp: tcp6-with-brackets: start gdbserver
UNSUPPORTED: gdb.server/server-connect.exp: udp6: start gdbserver
UNSUPPORTED: gdb.server/server-connect.exp: udp6-with-brackets: start gdbserver
...
Tested on aarch64-linux.
PR testsuite/31502
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=31502
---
gdb/testsuite/gdb.server/server-connect.exp | 3 +++
gdb/testsuite/lib/gdbserver-support.exp | 3 +++
2 files changed, 6 insertions(+)
base-commit: 29807db8d7b244e3a1a7503237c7b391b3393007
Comments
>>>>> "Tom" == Tom de Vries <tdevries@suse.de> writes:
Tom> Fix this by:
Tom> - recognizing the error message in gdbserver_start, and returning an empty list
Tom> to signal unsupported, and
Tom> - handling the unsupported response in the test-case.
Makes sense to me.
Approved-By: Tom Tromey <tom@tromey.com>
Tom
@@ -88,6 +88,9 @@ save_vars { GDB_TEST_SOCKETHOST } {
} else {
if { $gdbserver_should_fail } {
fail "$test: gdbserver should fail but did not"
+ } elseif { [llength $res] == 0 } {
+ unsupported $test
+ continue
} else {
pass "$test"
}
@@ -382,6 +382,9 @@ proc gdbserver_start { options arguments } {
-re ".*: cannot resolve name: .*\r\n" {
error "gdbserver cannot resolve name."
}
+ -re "Can't open socket: Address family not supported by protocol." {
+ return {}
+ }
timeout {
error "Timeout waiting for gdbserver response."
}