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File gdb-testsuite-fix-gdb.server-server-connect.exp-for-.patch of Package gdb (Revision e118954a7b5ee9a56c9e519ce0b644b1)

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From 237a0ec8a20cc5e233d630a43d9cacd2774a564d Mon Sep 17 00:00:00 2001
From: Tom de Vries <tdevries@suse.de>
Date: Wed, 20 Mar 2024 19:31:24 +0100
Subject: [PATCH 37/48] [gdb/testsuite] Fix gdb.server/server-connect.exp for
 missing ipv6

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.

Approved-By: Tom Tromey <tom@tromey.com>

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(+)

diff --git a/gdb/testsuite/gdb.server/server-connect.exp b/gdb/testsuite/gdb.server/server-connect.exp
index 1f5b9a27cf4..ffdfaa89154 100644
--- a/gdb/testsuite/gdb.server/server-connect.exp
+++ b/gdb/testsuite/gdb.server/server-connect.exp
@@ -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"
 		}
diff --git a/gdb/testsuite/lib/gdbserver-support.exp b/gdb/testsuite/lib/gdbserver-support.exp
index a3cccf54a72..d065fb36764 100644
--- a/gdb/testsuite/lib/gdbserver-support.exp
+++ b/gdb/testsuite/lib/gdbserver-support.exp
@@ -429,6 +429,9 @@ 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."
 	    }
-- 
2.35.3

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File gdb-testsuite-fix-gdb.server-server-connect.exp-for-.patch of Package gdb (Revision e118954a7b5ee9a56c9e519ce0b644b1)

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