Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/lldb/packages/Python/lldbsuite/test/functionalities/asan/Makefile

@@ -0,0 +1,6 @@
+LEVEL = ../../make
+
+C_SOURCES := main.c
+CFLAGS_EXTRAS := -fsanitize=address -g
+
+include $(LEVEL)/Makefile.rules

external/llvm-project/lldb/packages/Python/lldbsuite/test/functionalities/asan/TestMemoryHistory.py

@@ -0,0 +1,134 @@
+"""
+Test that ASan memory history provider returns correct stack traces
+"""
+
+from __future__ import print_function
+
+
+import os
+import time
+import lldb
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbplatform
+from lldbsuite.test import lldbutil
+
+
+class AsanTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    @expectedFailureAll(
+        oslist=["linux"],
+        bugnumber="non-core functionality, need to reenable and fix later (DES 2014.11.07)")
+    @skipIfFreeBSD  # llvm.org/pr21136 runtimes not yet available by default
+    @skipIfRemote
+    @skipUnlessAddressSanitizer
+    def test(self):
+        self.build()
+        self.asan_tests()
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        self.line_malloc = line_number('main.c', '// malloc line')
+        self.line_malloc2 = line_number('main.c', '// malloc2 line')
+        self.line_free = line_number('main.c', '// free line')
+        self.line_breakpoint = line_number('main.c', '// break line')
+
+    def asan_tests(self):
+        exe = os.path.join(os.getcwd(), "a.out")
+        self.expect(
+            "file " + exe,
+            patterns=["Current executable set to .*a.out"])
+
+        self.runCmd("breakpoint set -f main.c -l %d" % self.line_breakpoint)
+
+        # "memory history" command should not work without a process
+        self.expect("memory history 0",
+                    error=True,
+                    substrs=["invalid process"])
+
+        self.runCmd("run")
+
+        stop_reason = self.dbg.GetSelectedTarget().process.GetSelectedThread().GetStopReason()
+        if stop_reason == lldb.eStopReasonExec:
+            # On OS X 10.10 and older, we need to re-exec to enable
+            # interceptors.
+            self.runCmd("continue")
+
+        # the stop reason of the thread should be breakpoint.
+        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
+                    substrs=['stopped', 'stop reason = breakpoint'])
+
+        # test that the ASan dylib is present
+        self.expect(
+            "image lookup -n __asan_describe_address",
+            "__asan_describe_address should be present",
+            substrs=['1 match found'])
+
+        # test the 'memory history' command
+        self.expect(
+            "memory history 'pointer'",
+            substrs=[
+                'Memory allocated by Thread',
+                'a.out`f1',
+                'main.c:%d' %
+                self.line_malloc,
+                'Memory deallocated by Thread',
+                'a.out`f2',
+                'main.c:%d' %
+                self.line_free])
+
+        # do the same using SB API
+        process = self.dbg.GetSelectedTarget().process
+        val = process.GetSelectedThread().GetSelectedFrame().EvaluateExpression("pointer")
+        addr = val.GetValueAsUnsigned()
+        threads = process.GetHistoryThreads(addr)
+        self.assertEqual(threads.GetSize(), 2)
+
+        history_thread = threads.GetThreadAtIndex(0)
+        self.assertTrue(history_thread.num_frames >= 2)
+        self.assertEqual(history_thread.frames[1].GetLineEntry(
+        ).GetFileSpec().GetFilename(), "main.c")
+        self.assertEqual(
+            history_thread.frames[1].GetLineEntry().GetLine(),
+            self.line_free)
+
+        history_thread = threads.GetThreadAtIndex(1)
+        self.assertTrue(history_thread.num_frames >= 2)
+        self.assertEqual(history_thread.frames[1].GetLineEntry(
+        ).GetFileSpec().GetFilename(), "main.c")
+        self.assertEqual(
+            history_thread.frames[1].GetLineEntry().GetLine(),
+            self.line_malloc)
+
+        # let's free the container (SBThreadCollection) and see if the
+        # SBThreads still live
+        threads = None
+        self.assertTrue(history_thread.num_frames >= 2)
+        self.assertEqual(history_thread.frames[1].GetLineEntry(
+        ).GetFileSpec().GetFilename(), "main.c")
+        self.assertEqual(
+            history_thread.frames[1].GetLineEntry().GetLine(),
+            self.line_malloc)
+
+        # ASan will break when a report occurs and we'll try the API then
+        self.runCmd("continue")
+
+        self.expect(
+            "thread list",
+            "Process should be stopped due to ASan report",
+            substrs=[
+                'stopped',
+                'stop reason = Use of deallocated memory'])
+
+        # make sure the 'memory history' command still works even when we're
+        # generating a report now
+        self.expect(
+            "memory history 'another_pointer'",
+            substrs=[
+                'Memory allocated by Thread',
+                'a.out`f1',
+                'main.c:%d' %
+                self.line_malloc2])

external/llvm-project/lldb/packages/Python/lldbsuite/test/functionalities/asan/TestReportData.py

@@ -0,0 +1,94 @@
+"""
+Test the AddressSanitizer runtime support for report breakpoint and data extraction.
+"""
+
+from __future__ import print_function
+
+
+import os
+import time
+import json
+import lldb
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+class AsanTestReportDataCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    @expectedFailureAll(
+        oslist=["linux"],
+        bugnumber="non-core functionality, need to reenable and fix later (DES 2014.11.07)")
+    @skipIfFreeBSD  # llvm.org/pr21136 runtimes not yet available by default
+    @skipIfRemote
+    @skipUnlessAddressSanitizer
+    @expectedFailureAll(archs=['i386'], bugnumber="rdar://28658860")
+    def test(self):
+        self.build()
+        self.asan_tests()
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        self.line_malloc = line_number('main.c', '// malloc line')
+        self.line_malloc2 = line_number('main.c', '// malloc2 line')
+        self.line_free = line_number('main.c', '// free line')
+        self.line_breakpoint = line_number('main.c', '// break line')
+        self.line_crash = line_number('main.c', '// BOOM line')
+
+    def asan_tests(self):
+        exe = os.path.join(os.getcwd(), "a.out")
+        self.expect(
+            "file " + exe,
+            patterns=["Current executable set to .*a.out"])
+        self.runCmd("run")
+
+        stop_reason = self.dbg.GetSelectedTarget().process.GetSelectedThread().GetStopReason()
+        if stop_reason == lldb.eStopReasonExec:
+            # On OS X 10.10 and older, we need to re-exec to enable
+            # interceptors.
+            self.runCmd("continue")
+
+        self.expect(
+            "thread list",
+            "Process should be stopped due to ASan report",
+            substrs=[
+                'stopped',
+                'stop reason = Use of deallocated memory'])
+
+        self.assertEqual(
+            self.dbg.GetSelectedTarget().process.GetSelectedThread().GetStopReason(),
+            lldb.eStopReasonInstrumentation)
+
+        self.expect("bt", "The backtrace should show the crashing line",
+                    substrs=['main.c:%d' % self.line_crash])
+
+        self.expect(
+            "thread info -s",
+            "The extended stop info should contain the ASan provided fields",
+            substrs=[
+                "access_size",
+                "access_type",
+                "address",
+                "pc",
+                "description",
+                "heap-use-after-free"])
+
+        output_lines = self.res.GetOutput().split('\n')
+        json_line = '\n'.join(output_lines[2:])
+        data = json.loads(json_line)
+        self.assertEqual(data["description"], "heap-use-after-free")
+        self.assertEqual(data["instrumentation_class"], "AddressSanitizer")
+        self.assertEqual(data["stop_type"], "fatal_error")
+
+        # now let's try the SB API
+        process = self.dbg.GetSelectedTarget().process
+        thread = process.GetSelectedThread()
+
+        s = lldb.SBStream()
+        self.assertTrue(thread.GetStopReasonExtendedInfoAsJSON(s))
+        s = s.GetData()
+        data2 = json.loads(s)
+        self.assertEqual(data, data2)

external/llvm-project/lldb/packages/Python/lldbsuite/test/functionalities/asan/main.c

@@ -0,0 +1,34 @@
+//===-- main.c --------------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+#include <stdio.h>
+#include <stdlib.h>
+
+char *pointer;
+char *another_pointer;
+
+void f1() {
+    pointer = malloc(10); // malloc line
+    another_pointer = malloc(20); // malloc2 line
+}
+
+void f2() {
+    free(pointer); // free line
+}
+
+int main (int argc, char const *argv[])
+{
+    f1();
+    f2();
+
+    printf("Hello world!\n"); // break line
+
+    pointer[0] = 'A'; // BOOM line
+
+    return 0;
+}