projects / thirdparty / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 026a9174 PA |
1 | # This testcase is part of GDB, the GNU debugger. |
| 2 | ||
| 42a4f53d | 3 | # Copyright 2016-2019 Free Software Foundation, Inc. |
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4 | |
| 5 | # This program is free software; you can redistribute it and/or modify | |
| 6 | # it under the terms of the GNU General Public License as published by | |
| 7 | # the Free Software Foundation; either version 3 of the License, or | |
| 8 | # (at your option) any later version. | |
| 9 | # | |
| 10 | # This program is distributed in the hope that it will be useful, | |
| 11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | # GNU General Public License for more details. | |
| 14 | # | |
| 15 | # You should have received a copy of the GNU General Public License | |
| 16 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 17 | ||
| 18 | # Test attach / detach from a process that uses raw clone. We use raw | |
| 19 | # clone as proxy for when libthread_db is not available. | |
| 20 | ||
| 21 | # This only works on targets with the Linux kernel. | |
| 22 | if ![istarget *-*-linux*] { | |
| 23 | return | |
| 24 | } | |
| 25 | ||
| 26 | if {![can_spawn_for_attach]} { | |
| 27 | return 0 | |
| 28 | } | |
| 29 | ||
| 30 | standard_testfile | |
| 31 | ||
| 32 | if [prepare_for_testing "failed to prepare" $testfile $srcfile {debug}] { | |
| 33 | return -1 | |
| 34 | } | |
| 35 | ||
| 36 | clean_restart ${binfile} | |
| 37 | ||
| 38 | set test_spawn_id [spawn_wait_for_attach $binfile] | |
| 39 | set testpid [spawn_id_get_pid $test_spawn_id] | |
| 40 | ||
| 41 | # Native/gdbserver. | |
| 42 | set thread_re "(LWP $decimal|Thread )" | |
| 43 | ||
| 44 | # Try attach / detach a few times, in case GDB ends up with stale | |
| 45 | # state after detaching. | |
| 46 | ||
| 47 | set attempts 3 | |
| 48 | for {set attempt 1} {$attempt <= $attempts} {incr attempt} { | |
| 49 | with_test_prefix "fg attach $attempt" { | |
| 50 | ||
| 51 | gdb_test "attach $testpid" \ | |
| 52 | "Attaching to program.*process $testpid.*" \ | |
| 53 | "attach" | |
| 54 | ||
| 55 | gdb_test "info threads" \ | |
| 56 | "1.*${thread_re}.*\r\n.*2.*${thread_re}.*" \ | |
| 57 | "info threads shows two LWPs" | |
| 58 | ||
| f67c0c91 | 59 | gdb_test "detach" "Detaching from .*, process $testpid\r\n\\\[Inferior $decimal \\(.*\\) detached\\\]" |
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60 | } |
| 61 | } | |
| 62 | ||
| 63 | # Same, but use async/background attach. | |
| 64 | ||
| 65 | # If debugging with target remote, check whether the all-stop variant | |
| 66 | # of the RSP is being used. If so, we can't run the background tests. | |
| 67 | if {[target_info exists gdb_protocol] | |
| 68 | && ([target_info gdb_protocol] == "remote" | |
| 69 | || [target_info gdb_protocol] == "extended-remote")} { | |
| 70 | ||
| 71 | set test "maint show target-non-stop" | |
| 72 | gdb_test_multiple "maint show target-non-stop" $test { | |
| 73 | -re "(is|currently) on.*$gdb_prompt $" { | |
| 74 | } | |
| 75 | -re "(is|currently) off.*$gdb_prompt $" { | |
| 76 | unsupported "bg attach: can't issue info threads while target is running" | |
| 77 | return 0 | |
| 78 | } | |
| 79 | } | |
| 80 | } | |
| 81 | ||
| 82 | set attempts 3 | |
| 83 | for {set attempt 1} {$attempt <= $attempts} {incr attempt} { | |
| 84 | with_test_prefix "bg attach $attempt" { | |
| 85 | ||
| 86 | gdb_test "attach $testpid &" \ | |
| 87 | "Attaching to program.*process $testpid.*" \ | |
| 88 | "attach" | |
| 89 | ||
| 90 | gdb_test "info threads" \ | |
| 91 | "1.*${thread_re}.*\\(running\\)\r\n.*2.*${thread_re}.*\\(running\\)" \ | |
| 92 | "info threads shows two LWPs" | |
| 93 | ||
| f67c0c91 | 94 | gdb_test "detach" "Detaching from .*, process $testpid\r\n\\\[Inferior $decimal \\(.*\\) detached\\\]" |
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95 | } |
| 96 | } | |
| 97 | ||
| 98 | kill_wait_spawned_process $test_spawn_id |