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[gdb-12-branch,1/6] gdb: testsuite: add new gdb_attach to check "attach" command

Message ID 20221128184042.3781569-2-simon.marchi@efficios.com
State Committed
Headers
Series Backport fixes for PR 28275 to gdb-12-branch |

Commit Message

Simon Marchi Nov. 28, 2022, 6:40 p.m. UTC 
  From: Tiezhu Yang <yangtiezhu@loongson.cn>

This commit adds new gdb_attach to centralize the failure checking of
"attach" command. Return 0 if attach failed, otherwise return 1.

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Change-Id: I553cf386cef60c67d38e331904b4aa01e132104a
---
 gdb/testsuite/lib/gdb.exp | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
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Patch

diff --git a/gdb/testsuite/lib/gdb.exp b/gdb/testsuite/lib/gdb.exp
index 6f6acfe188a..819dfbfafca 100644
--- a/gdb/testsuite/lib/gdb.exp
+++ b/gdb/testsuite/lib/gdb.exp
@@ -5151,6 +5151,32 @@  gdb_caching_proc can_spawn_for_attach {
     return 1
 }
 
+# Centralize the failure checking of "attach" command.
+# Return 0 if attach failed, otherwise return 1.
+
+proc gdb_attach { testpid args } {
+    parse_args {
+	{pattern ""}
+    }
+
+    if { [llength $args] != 0 } {
+	error "Unexpected arguments: $args"
+    }
+
+    gdb_test_multiple "attach $testpid" "attach" {
+	-re -wrap "Attaching to.*ptrace: Operation not permitted\\." {
+	    unsupported "$gdb_test_name (Operation not permitted)"
+	    return 0
+	}
+	-re -wrap "$pattern" {
+	    pass $gdb_test_name
+	    return 1
+	}
+    }
+
+    return 0
+}
+
 # Kill a progress previously started with spawn_wait_for_attach, and
 # reap its wait status.  PROC_SPAWN_ID is the spawn id associated with
 # the process.