Vendor import of lldb trunk r256945:

https://llvm.org/svn/llvm-project/lldb/trunk@256945

1 files changed, 77 insertions, 0 deletions

diff --git a/packages/Python/lldbsuite/test/functionalities/stop-hook/multiple_threads/TestStopHookMultipleThreads.py b/packages/Python/lldbsuite/test/functionalities/stop-hook/multiple_threads/TestStopHookMultipleThreads.py
new file mode 100644
index 0000000..c7fb53d
--- /dev/null
+++ b/packages/Python/lldbsuite/test/functionalities/stop-hook/multiple_threads/TestStopHookMultipleThreads.py
@@ -0,0 +1,77 @@
+"""
+Test that lldb stop-hook works for multiple threads.
+"""
+
+from __future__ import print_function
+
+
+
+import os, time
+import lldb
+from lldbsuite.test import configuration
+from lldbsuite.test.lldbtest import *
+
+class StopHookForMultipleThreadsTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        # Our simple source filename.
+        self.source = 'main.cpp'
+        # Find the line number to break inside main().
+        self.first_stop = line_number(self.source, '// Set break point at this line, and add a stop-hook.')
+        self.thread_function = line_number(self.source, '// Break here to test that the stop-hook mechanism works for multiple threads.')
+        # Build dictionary to have unique executable names for each test method.
+        self.exe_name = self.testMethodName
+        self.d = {'CXX_SOURCES': self.source, 'EXE': self.exe_name}
+
+    @expectedFlakeyFreeBSD("llvm.org/pr15037")
+    @expectedFlakeyLinux("llvm.org/pr15037") # stop hooks sometimes fail to fire on Linux
+    @expectedFailureHostWindows("llvm.org/pr22274: need a pexpect replacement for windows")
+    def test_stop_hook_multiple_threads(self):
+        """Test that lldb stop-hook works for multiple threads."""
+        self.build(dictionary=self.d)
+        self.setTearDownCleanup(dictionary=self.d)
+
+        import pexpect
+        exe = os.path.join(os.getcwd(), self.exe_name)
+        prompt = "(lldb) "
+
+        # So that the child gets torn down after the test.
+        self.child = pexpect.spawn('%s %s' % (lldbtest_config.lldbExec, self.lldbOption))
+        child = self.child
+        # Turn on logging for what the child sends back.
+        if self.TraceOn():
+            child.logfile_read = sys.stdout
+
+        if lldb.remote_platform:
+            child.expect_exact(prompt)
+            child.sendline('platform select %s' % lldb.remote_platform.GetName())
+            child.expect_exact(prompt)
+            child.sendline('platform connect %s' % configuration.lldb_platform_url)
+            child.expect_exact(prompt)
+            child.sendline('platform settings -w %s' % configuration.lldb_platform_working_dir)
+
+        child.expect_exact(prompt)
+        child.sendline('target create %s' % exe)
+
+        # Set the breakpoint, followed by the target stop-hook commands.
+        child.expect_exact(prompt)
+        child.sendline('breakpoint set -f main.cpp -l %d' % self.first_stop)
+        child.expect_exact(prompt)
+        child.sendline('breakpoint set -f main.cpp -l %d' % self.thread_function)
+        child.expect_exact(prompt)
+
+        # Now run the program, expect to stop at the first breakpoint which is within the stop-hook range.
+        child.sendline('run')
+        child.expect_exact("Process")   # 'Process 2415 launched', 'Process 2415 stopped'
+        child.expect_exact(prompt)
+        child.sendline('target stop-hook add -o "frame variable --show-globals g_val"')
+        child.expect_exact("Stop hook") # 'Stop hook #1 added.'
+        child.expect_exact(prompt)
+
+        # Continue and expect to find the output emitted by the firing of our stop hook.
+        child.sendline('continue')
+        child.expect_exact('(uint32_t) ::g_val = ')