Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/lldb/packages/Python/lldbsuite/test/lang/c/anonymous/Makefile

@@ -0,0 +1,5 @@
+LEVEL = ../../../make
+
+C_SOURCES := main.c
+
+include $(LEVEL)/Makefile.rules

external/llvm-project/lldb/packages/Python/lldbsuite/test/lang/c/anonymous/TestAnonymous.py

@@ -0,0 +1,174 @@
+"""Test that anonymous structs/unions are transparent to member access"""
+
+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 lldbutil
+
+
+class AnonymousTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    @skipIf(
+        compiler="icc",
+        bugnumber="llvm.org/pr15036: LLDB generates an incorrect AST layout for an anonymous struct when DWARF is generated by ICC")
+    def test_expr_nest(self):
+        self.build()
+        self.common_setup(self.line0)
+
+        # These should display correctly.
+        self.expect("expression n->foo.d", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=["= 4"])
+
+        self.expect("expression n->b", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=["= 2"])
+
+    def test_expr_child(self):
+        self.build()
+        self.common_setup(self.line1)
+
+        # These should display correctly.
+        self.expect("expression c->foo.d", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=["= 4"])
+
+        self.expect(
+            "expression c->grandchild.b",
+            VARIABLES_DISPLAYED_CORRECTLY,
+            substrs=["= 2"])
+
+    @skipIf(
+        compiler="icc",
+        bugnumber="llvm.org/pr15036: This particular regression was introduced by r181498")
+    def test_expr_grandchild(self):
+        self.build()
+        self.common_setup(self.line2)
+
+        # These should display correctly.
+        self.expect("expression g.child.foo.d", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=["= 4"])
+
+        self.expect("expression g.child.b", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=["= 2"])
+
+    def test_expr_parent(self):
+        self.build()
+        if "clang" in self.getCompiler() and "3.4" in self.getCompilerVersion():
+            self.skipTest(
+                "llvm.org/pr16214 -- clang emits partial DWARF for structures referenced via typedef")
+        self.common_setup(self.line2)
+
+        # These should display correctly.
+        self.expect("expression pz", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=["(type_z *) $", " = 0x0000"])
+
+        self.expect("expression z.y", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=["(type_y) $", "dummy = 2"])
+
+    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr21550")
+    def test_expr_null(self):
+        self.build()
+        self.common_setup(self.line2)
+
+        # This should fail because pz is 0, but it succeeds on OS/X.
+        # This fails on Linux with an upstream error "Couldn't dematerialize struct", as does "p *n" with "int *n = 0".
+        # Note that this can also trigger llvm.org/pr15036 when run
+        # interactively at the lldb command prompt.
+        self.expect("expression *(type_z *)pz", error=True)
+
+    def test_child_by_name(self):
+        self.build()
+
+        # Set debugger into synchronous mode
+        self.dbg.SetAsync(False)
+
+        # Create a target
+        exe = os.path.join(os.getcwd(), "a.out")
+        target = self.dbg.CreateTarget(exe)
+        self.assertTrue(target, VALID_TARGET)
+
+        break_in_main = target.BreakpointCreateBySourceRegex(
+            '// Set breakpoint 2 here.', lldb.SBFileSpec(self.source))
+        self.assertTrue(break_in_main, VALID_BREAKPOINT)
+
+        process = target.LaunchSimple(
+            None, None, self.get_process_working_directory())
+        self.assertTrue(process, PROCESS_IS_VALID)
+
+        threads = lldbutil.get_threads_stopped_at_breakpoint(
+            process, break_in_main)
+        if len(threads) != 1:
+            self.fail("Failed to stop at breakpoint in main.")
+
+        thread = threads[0]
+        frame = thread.frames[0]
+
+        if not frame.IsValid():
+            self.fail("Failed to get frame 0.")
+
+        var_n = frame.FindVariable("n")
+        if not var_n.IsValid():
+            self.fail("Failed to get the variable 'n'")
+
+        elem_a = var_n.GetChildMemberWithName("a")
+        if not elem_a.IsValid():
+            self.fail("Failed to get the element a in n")
+
+        error = lldb.SBError()
+        value = elem_a.GetValueAsSigned(error, 1000)
+        if not error.Success() or value != 0:
+            self.fail("failed to get the correct value for element a in n")
+
+    def test_nest_flat(self):
+        self.build()
+        self.common_setup(self.line2)
+
+        # These should display correctly.
+        self.expect('frame variable n --flat',
+                    substrs=['n.a = 0',
+                             'n.b = 2',
+                             'n.foo.c = 0',
+                             'n.foo.d = 4'])
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        # Find the line numbers to break in main.c.
+        self.source = 'main.c'
+        self.line0 = line_number(self.source, '// Set breakpoint 0 here.')
+        self.line1 = line_number(self.source, '// Set breakpoint 1 here.')
+        self.line2 = line_number(self.source, '// Set breakpoint 2 here.')
+
+    def common_setup(self, line):
+
+        # Set debugger into synchronous mode
+        self.dbg.SetAsync(False)
+
+        # Create a target
+        exe = os.path.join(os.getcwd(), "a.out")
+        target = self.dbg.CreateTarget(exe)
+        self.assertTrue(target, VALID_TARGET)
+
+        # Set breakpoints inside and outside methods that take pointers to the
+        # containing struct.
+        lldbutil.run_break_set_by_file_and_line(
+            self, self.source, line, num_expected_locations=1, loc_exact=True)
+
+        # Now launch the process, and do not stop at entry point.
+        process = target.LaunchSimple(
+            None, None, self.get_process_working_directory())
+        self.assertTrue(process, PROCESS_IS_VALID)
+
+        # The stop reason of the thread should be breakpoint.
+        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
+                    substrs=['stopped',
+                             'stop reason = breakpoint'])
+
+        # The breakpoint should have a hit count of 1.
+        self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE,
+                    substrs=[' resolved, hit count = 1'])

external/llvm-project/lldb/packages/Python/lldbsuite/test/lang/c/anonymous/main.c

@@ -0,0 +1,82 @@
+#include <stdio.h>
+
+struct anonymous_nest {
+  struct {
+    struct {
+      int a;
+      int b;
+    }; // anonymous
+    struct {
+      int c;
+      int d;
+    } foo;
+  }; // anonymous
+};
+
+struct anonymous_child {
+  struct {
+    struct {
+      int a;
+      int b;
+    } grandchild;
+    struct {
+      int c;
+      int d;
+    } foo;
+  }; // anonymous
+};
+
+struct anonymous_grandchild {
+  struct {
+    struct {
+      int a;
+      int b;
+    }; // anonymous
+    struct {
+      int c;
+      int d;
+    } foo;
+  } child;
+};
+
+int processor_nest (struct anonymous_nest *n)
+{
+  return n->foo.d + n->b; // Set breakpoint 0 here.
+}
+
+int processor_child (struct anonymous_child *c)
+{
+  return c->foo.d + c->grandchild.b; // Set breakpoint 1 here.
+}
+
+int processor_grandchild (struct anonymous_grandchild *g)
+{
+  return g->child.foo.d + g->child.b;
+}
+
+
+
+typedef struct {
+    int dummy;
+} type_y;
+
+typedef struct {
+    type_y y;
+} type_z;
+
+
+
+int main()
+{
+  struct anonymous_nest n = { 0, 2, 0, 4 };
+  struct anonymous_child c = { 0, 2, 0, 4 };
+  struct anonymous_grandchild g = { 0, 2, 0, 4 };
+  type_z *pz = 0;
+  type_z z = {{2}};
+
+  printf("%d\n", processor_nest(&n));
+  printf("%d\n", processor_child(&c));
+  printf("%d\n", processor_grandchild(&g)); // Set breakpoint 2 here.
+
+  return 0;
+}

external/llvm-project/lldb/packages/Python/lldbsuite/test/lang/c/array_types/Makefile

@@ -0,0 +1,5 @@
+LEVEL = ../../../make
+
+C_SOURCES := main.c
+
+include $(LEVEL)/Makefile.rules

external/llvm-project/lldb/packages/Python/lldbsuite/test/lang/c/array_types/TestArrayTypes.py

@@ -0,0 +1,228 @@
+"""Test breakpoint by file/line number; and list variables with array types."""
+
+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 lldbutil
+
+
+class ArrayTypesTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        # Find the line number to break inside main().
+        self.line = line_number('main.c', '// Set break point at this line.')
+
+    def test_and_run_command(self):
+        """Test 'frame variable var_name' on some variables with array types."""
+        self.build()
+        exe = os.path.join(os.getcwd(), "a.out")
+        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+        lldbutil.run_break_set_by_file_and_line(
+            self, "main.c", self.line, num_expected_locations=1, loc_exact=False)
+
+        self.runCmd("run", RUN_SUCCEEDED)
+
+        # The test suite sometimes shows that the process has exited without stopping.
+        #
+        # CC=clang ./dotest.py -v -t array_types
+        # ...
+        # Process 76604 exited with status = 0 (0x00000000)
+        self.runCmd("process status")
+
+        # The stop reason of the thread should be breakpoint.
+        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
+                    substrs=['stopped',
+                             'stop reason = breakpoint'])
+
+        # The breakpoint should have a hit count of 1.
+        self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE,
+                    substrs=['resolved, hit count = 1'])
+
+        # Issue 'variable list' command on several array-type variables.
+
+        self.expect(
+            "frame variable --show-types strings",
+            VARIABLES_DISPLAYED_CORRECTLY,
+            startstr='(char *[4])',
+            substrs=[
+                '(char *) [0]',
+                '(char *) [1]',
+                '(char *) [2]',
+                '(char *) [3]',
+                'Hello',
+                'Hola',
+                'Bonjour',
+                'Guten Tag'])
+
+        self.expect(
+            "frame variable --show-types --raw -- char_16",
+            VARIABLES_DISPLAYED_CORRECTLY,
+            substrs=[
+                '(char) [0]',
+                '(char) [15]'])
+
+        self.expect(
+            "frame variable --show-types ushort_matrix",
+            VARIABLES_DISPLAYED_CORRECTLY,
+            startstr='(unsigned short [2][3])')
+
+        self.expect(
+            "frame variable --show-types long_6",
+            VARIABLES_DISPLAYED_CORRECTLY,
+            startstr='(long [6])')
+
+    @add_test_categories(['pyapi'])
+    def test_and_python_api(self):
+        """Use Python APIs to inspect variables with array types."""
+        self.build()
+        exe = os.path.join(os.getcwd(), "a.out")
+
+        target = self.dbg.CreateTarget(exe)
+        self.assertTrue(target, VALID_TARGET)
+
+        breakpoint = target.BreakpointCreateByLocation("main.c", self.line)
+        self.assertTrue(breakpoint, VALID_BREAKPOINT)
+
+        # Sanity check the print representation of breakpoint.
+        bp = str(breakpoint)
+        self.expect(bp, msg="Breakpoint looks good", exe=False,
+                    substrs=["file = 'main.c'",
+                             "line = %d" % self.line,
+                             "locations = 1"])
+        self.expect(
+            bp,
+            msg="Breakpoint is not resolved as yet",
+            exe=False,
+            matching=False,
+            substrs=["resolved = 1"])
+
+        # Now launch the process, and do not stop at entry point.
+        process = target.LaunchSimple(
+            None, None, self.get_process_working_directory())
+        self.assertTrue(process, PROCESS_IS_VALID)
+
+        # Sanity check the print representation of process.
+        proc = str(process)
+        self.expect(proc, msg="Process looks good", exe=False,
+                    substrs=["state = stopped",
+                              "executable = a.out"])
+
+        # The stop reason of the thread should be breakpoint.
+        thread = lldbutil.get_stopped_thread(
+            process, lldb.eStopReasonBreakpoint)
+        self.assertIsNotNone(thread)
+
+        # Sanity check the print representation of thread.
+        thr = str(thread)
+        # TODO(zturner): Whether the TID is printed in hex or decimal should be controlled by a setting,
+        # and this test should read the value of the setting.  This check is currently hardcoded to
+        # match the check in Core/FormatEntity.cpp in the function FormatEntity::Format() for
+        # the Entry::Type::ThreadID case of the switch statement.
+        if self.getPlatform() == "linux" or self.getPlatform() == "freebsd":
+            tidstr = "tid = %u" % thread.GetThreadID()
+        else:
+            tidstr = "tid = 0x%4.4x" % thread.GetThreadID()
+        self.expect(
+            thr,
+            "Thread looks good with stop reason = breakpoint",
+            exe=False,
+            substrs=[tidstr])
+
+        # The breakpoint should have a hit count of 1.
+        self.assertEqual(breakpoint.GetHitCount(), 1, BREAKPOINT_HIT_ONCE)
+
+        # The breakpoint should be resolved by now.
+        bp = str(breakpoint)
+        self.expect(bp, "Breakpoint looks good and is resolved", exe=False,
+                    substrs=["file = 'main.c'",
+                             "line = %d" % self.line,
+                             "locations = 1"])
+
+        # Sanity check the print representation of frame.
+        frame = thread.GetFrameAtIndex(0)
+        frm = str(frame)
+        self.expect(
+            frm,
+            "Frame looks good with correct index %d" %
+            frame.GetFrameID(),
+            exe=False,
+            substrs=[
+                "#%d" %
+                frame.GetFrameID()])
+
+        # Lookup the "strings" string array variable and sanity check its print
+        # representation.
+        variable = frame.FindVariable("strings")
+        var = str(variable)
+        self.expect(
+            var,
+            "Variable for 'strings' looks good with correct name",
+            exe=False,
+            substrs=[
+                "%s" %
+                variable.GetName()])
+        self.DebugSBValue(variable)
+        self.assertTrue(variable.GetNumChildren() == 4,
+                        "Variable 'strings' should have 4 children")
+
+        child3 = variable.GetChildAtIndex(3)
+        self.DebugSBValue(child3)
+        self.assertTrue(child3.GetSummary() == '"Guten Tag"',
+                        'strings[3] == "Guten Tag"')
+
+        # Lookup the "char_16" char array variable.
+        variable = frame.FindVariable("char_16")
+        self.DebugSBValue(variable)
+        self.assertTrue(variable.GetNumChildren() == 16,
+                        "Variable 'char_16' should have 16 children")
+
+        # Lookup the "ushort_matrix" ushort[] array variable.
+        # Notice the pattern of int(child0_2.GetValue(), 0).  We pass a
+        # base of 0 so that the proper radix is determined based on the contents
+        # of the string.  Same applies to long().
+        variable = frame.FindVariable("ushort_matrix")
+        self.DebugSBValue(variable)
+        self.assertTrue(variable.GetNumChildren() == 2,
+                        "Variable 'ushort_matrix' should have 2 children")
+        child0 = variable.GetChildAtIndex(0)
+        self.DebugSBValue(child0)
+        self.assertTrue(child0.GetNumChildren() == 3,
+                        "Variable 'ushort_matrix[0]' should have 3 children")
+        child0_2 = child0.GetChildAtIndex(2)
+        self.DebugSBValue(child0_2)
+        self.assertTrue(int(child0_2.GetValue(), 0) == 3,
+                        "ushort_matrix[0][2] == 3")
+
+        # Lookup the "long_6" char array variable.
+        variable = frame.FindVariable("long_6")
+        self.DebugSBValue(variable)
+        self.assertTrue(variable.GetNumChildren() == 6,
+                        "Variable 'long_6' should have 6 children")
+        child5 = variable.GetChildAtIndex(5)
+        self.DebugSBValue(child5)
+        self.assertTrue(int(child5.GetValue(), 0) == 6,
+                        "long_6[5] == 6")
+
+        # Last, check that "long_6" has a value type of eValueTypeVariableLocal
+        # and "argc" has eValueTypeVariableArgument.
+        from lldbsuite.test.lldbutil import value_type_to_str
+        self.assertTrue(
+            variable.GetValueType() == lldb.eValueTypeVariableLocal,
+            "Variable 'long_6' should have '%s' value type." %
+            value_type_to_str(
+                lldb.eValueTypeVariableLocal))
+        argc = frame.FindVariable("argc")
+        self.DebugSBValue(argc)
+        self.assertTrue(argc.GetValueType() == lldb.eValueTypeVariableArgument,
+                        "Variable 'argc' should have '%s' value type." %
+                        value_type_to_str(lldb.eValueTypeVariableArgument))

external/llvm-project/lldb/packages/Python/lldbsuite/test/lang/c/array_types/cmds.txt

@@ -0,0 +1,3 @@
+break main.c:42
+continue
+var

external/llvm-project/lldb/packages/Python/lldbsuite/test/lang/c/array_types/main.c

@@ -0,0 +1,51 @@
+//===-- main.c --------------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+int main (int argc, char const *argv[])
+{
+    struct point_tag {
+        int x;
+        int y;
+    };
+
+    struct rect_tag {
+        struct point_tag bottom_left;
+        struct point_tag top_right;
+    };
+    char char_16[16] = "Hello World\n";
+    char *strings[] = { "Hello", "Hola", "Bonjour", "Guten Tag" };
+    char char_matrix[3][3] = {{'a', 'b', 'c' }, {'d', 'e', 'f' }, {'g', 'h', 'i' }};
+    char char_matrix_matrix[3][2][3] =
+    {   {{'a', 'b', 'c' }, {'d', 'e', 'f' }},
+        {{'A', 'B', 'C' }, {'D', 'E', 'F' }},
+        {{'1', '2', '3' }, {'4', '5', '6' }}};
+    short short_4[4] = { 1,2,3,4 };
+    short short_matrix[1][2] = { {1,2} };
+    unsigned short ushort_4[4] = { 1,2,3,4 };
+    unsigned short ushort_matrix[2][3] = {
+        { 1, 2, 3},
+        {11,22,33}
+    };
+    int int_2[2] = { 1, 2 };
+    unsigned int uint_2[2] = { 1, 2 };
+    long long_6[6] = { 1, 2, 3, 4, 5, 6 };
+    unsigned long ulong_6[6] = { 1, 2, 3, 4, 5, 6 };
+    struct point_tag points_2[2] = {
+        {1,2},
+        {3,4}
+    };
+    struct point_tag points_2_4_matrix[2][4] = { // Set break point at this line. 
+        {{ 1, 2}, { 3, 4}, { 5, 6}, { 7, 8}},
+        {{11,22}, {33,44}, {55,66}, {77,88}}
+    };
+    struct rect_tag rects_2[2] = {
+        {{1,2}, {3,4}},
+        {{5,6}, {7,8}}
+    };
+    return 0;
+}

external/llvm-project/lldb/packages/Python/lldbsuite/test/lang/c/bitfields/Makefile

@@ -0,0 +1,5 @@
+LEVEL = ../../../make
+
+C_SOURCES := main.c
+
+include $(LEVEL)/Makefile.rules

external/llvm-project/lldb/packages/Python/lldbsuite/test/lang/c/bitfields/TestBitfields.py

@@ -0,0 +1,188 @@
+"""Show bitfields and check that they display correctly."""
+
+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 lldbutil
+
+
+class BitfieldsTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        # Find the line number to break inside main().
+        self.line = line_number('main.c', '// Set break point at this line.')
+
+    # BitFields exhibit crashes in record layout on Windows
+    # (http://llvm.org/pr21800)
+    @skipIfWindows
+    def test_and_run_command(self):
+        """Test 'frame variable ...' on a variable with bitfields."""
+        self.build()
+        exe = os.path.join(os.getcwd(), "a.out")
+        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+        # Break inside the main.
+        lldbutil.run_break_set_by_file_and_line(
+            self, "main.c", self.line, num_expected_locations=1, loc_exact=True)
+
+        self.runCmd("run", RUN_SUCCEEDED)
+
+        # The stop reason of the thread should be breakpoint.
+        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
+                    substrs=['stopped',
+                             'stop reason = breakpoint'])
+
+        # The breakpoint should have a hit count of 1.
+        self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE,
+                    substrs=[' resolved, hit count = 1'])
+
+        # This should display correctly.
+        self.expect(
+            "frame variable --show-types bits",
+            VARIABLES_DISPLAYED_CORRECTLY,
+            substrs=[
+                '(uint32_t:1) b1 = 1',
+                '(uint32_t:2) b2 = 3',
+                '(uint32_t:3) b3 = 7',
+                '(uint32_t) b4 = 15',
+                '(uint32_t:5) b5 = 31',
+                '(uint32_t:6) b6 = 63',
+                '(uint32_t:7) b7 = 127',
+                '(uint32_t:4) four = 15'])
+
+        # And so should this.
+        # rdar://problem/8348251
+        self.expect(
+            "frame variable --show-types",
+            VARIABLES_DISPLAYED_CORRECTLY,
+            substrs=[
+                '(uint32_t:1) b1 = 1',
+                '(uint32_t:2) b2 = 3',
+                '(uint32_t:3) b3 = 7',
+                '(uint32_t) b4 = 15',
+                '(uint32_t:5) b5 = 31',
+                '(uint32_t:6) b6 = 63',
+                '(uint32_t:7) b7 = 127',
+                '(uint32_t:4) four = 15'])
+
+        self.expect("expr (bits.b1)", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=['uint32_t', '1'])
+        self.expect("expr (bits.b2)", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=['uint32_t', '3'])
+        self.expect("expr (bits.b3)", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=['uint32_t', '7'])
+        self.expect("expr (bits.b4)", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=['uint32_t', '15'])
+        self.expect("expr (bits.b5)", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=['uint32_t', '31'])
+        self.expect("expr (bits.b6)", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=['uint32_t', '63'])
+        self.expect("expr (bits.b7)", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=['uint32_t', '127'])
+        self.expect("expr (bits.four)", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=['uint32_t', '15'])
+
+        self.expect(
+            "frame variable --show-types more_bits",
+            VARIABLES_DISPLAYED_CORRECTLY,
+            substrs=[
+                '(uint32_t:3) a = 3',
+                '(uint8_t:1) b = \'\\0\'',
+                '(uint8_t:1) c = \'\\x01\'',
+                '(uint8_t:1) d = \'\\0\''])
+
+        self.expect("expr (more_bits.a)", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=['uint32_t', '3'])
+        self.expect("expr (more_bits.b)", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=['uint8_t', '\\0'])
+        self.expect("expr (more_bits.c)", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=['uint8_t', '\\x01'])
+        self.expect("expr (more_bits.d)", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=['uint8_t', '\\0'])
+
+        self.expect("expr (packed.a)", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=['char', "'a'"])
+        self.expect("expr (packed.b)", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=['uint32_t', "10"])
+        self.expect("expr/x (packed.c)", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=['uint32_t', "7112233"])
+
+    @add_test_categories(['pyapi'])
+    # BitFields exhibit crashes in record layout on Windows
+    # (http://llvm.org/pr21800)
+    @skipIfWindows
+    def test_and_python_api(self):
+        """Use Python APIs to inspect a bitfields variable."""
+        self.build()
+        exe = os.path.join(os.getcwd(), "a.out")
+
+        target = self.dbg.CreateTarget(exe)
+        self.assertTrue(target, VALID_TARGET)
+
+        breakpoint = target.BreakpointCreateByLocation("main.c", self.line)
+        self.assertTrue(breakpoint, VALID_BREAKPOINT)
+
+        process = target.LaunchSimple(
+            None, None, self.get_process_working_directory())
+        self.assertTrue(process, PROCESS_IS_VALID)
+
+        # The stop reason of the thread should be breakpoint.
+        thread = lldbutil.get_stopped_thread(
+            process, lldb.eStopReasonBreakpoint)
+        self.assertIsNotNone(thread)
+
+        # The breakpoint should have a hit count of 1.
+        self.assertEqual(breakpoint.GetHitCount(), 1, BREAKPOINT_HIT_ONCE)
+
+        # Lookup the "bits" variable which contains 8 bitfields.
+        frame = thread.GetFrameAtIndex(0)
+        bits = frame.FindVariable("bits")
+        self.DebugSBValue(bits)
+        self.assertTrue(
+            bits.GetTypeName() == 'Bits',
+            "bits.GetTypeName() == 'Bits'")
+        self.assertTrue(
+            bits.GetNumChildren() == 10,
+            "bits.GetNumChildren() == 10")
+        test_compiler = self.getCompiler()
+        self.assertTrue(bits.GetByteSize() == 32, "bits.GetByteSize() == 32")
+
+        # Notice the pattern of int(b1.GetValue(), 0).  We pass a base of 0
+        # so that the proper radix is determined based on the contents of the
+        # string.
+        b1 = bits.GetChildMemberWithName("b1")
+        self.DebugSBValue(b1)
+        self.assertTrue(b1.GetName() == "b1" and
+                        b1.GetTypeName() == "uint32_t:1" and
+                        b1.IsInScope() and
+                        int(b1.GetValue(), 0) == 1,
+                        'bits.b1 has type uint32_t:1, is in scope, and == 1')
+
+        b7 = bits.GetChildMemberWithName("b7")
+        self.DebugSBValue(b7)
+        self.assertTrue(b7.GetName() == "b7" and
+                        b7.GetTypeName() == "uint32_t:7" and
+                        b7.IsInScope() and
+                        int(b7.GetValue(), 0) == 127,
+                        'bits.b7 has type uint32_t:7, is in scope, and == 127')
+
+        four = bits.GetChildMemberWithName("four")
+        self.DebugSBValue(four)
+        self.assertTrue(four.GetName() == "four" and
+                        four.GetTypeName() == "uint32_t:4" and
+                        four.IsInScope() and
+                        int(four.GetValue(), 0) == 15,
+                        'bits.four has type uint32_t:4, is in scope, and == 15')
+
+        # Now kill the process, and we are done.
+        rc = target.GetProcess().Kill()
+        self.assertTrue(rc.Success())

external/llvm-project/lldb/packages/Python/lldbsuite/test/lang/c/bitfields/main.c

@@ -0,0 +1,81 @@
+//===-- 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 <stdint.h>
+#include <stdio.h>
+
+int main (int argc, char const *argv[])
+{
+    struct Bits
+    {
+        uint32_t    : 1, // Unnamed bitfield
+                    b1 : 1,
+                    b2 : 2,
+                    : 2, // Unnamed bitfield
+                    b3 : 3,
+                    : 2, // Unnamed bitfield (this will get removed)
+                    b4 __attribute__ ((aligned(16))),
+                    b5 : 5,
+                    b6 : 6,
+                    b7 : 7,
+                    four : 4;
+    };
+
+    printf("%lu", sizeof(struct Bits));
+
+    struct Bits bits;
+    int i;
+    for (i=0; i<(1<<1); i++)
+        bits.b1 = i;        //// break $source:$line
+    for (i=0; i<(1<<2); i++)
+        bits.b2 = i;        //// break $source:$line
+    for (i=0; i<(1<<3); i++)
+        bits.b3 = i;        //// break $source:$line
+    for (i=0; i<(1<<4); i++)
+        bits.b4 = i;        //// break $source:$line
+    for (i=0; i<(1<<5); i++)
+        bits.b5 = i;        //// break $source:$line
+    for (i=0; i<(1<<6); i++)
+        bits.b6 = i;        //// break $source:$line
+    for (i=0; i<(1<<7); i++)
+        bits.b7 = i;        //// break $source:$line
+    for (i=0; i<(1<<4); i++)
+        bits.four = i;      //// break $source:$line
+
+    struct MoreBits
+    {
+        uint32_t    a : 3;
+        uint8_t       : 1;
+        uint8_t     b : 1;
+        uint8_t     c : 1;
+        uint8_t     d : 1;
+    };
+
+    struct MoreBits more_bits;
+
+    more_bits.a = 3;
+    more_bits.b = 0;
+    more_bits.c = 1;
+    more_bits.d = 0;
+
+#pragma pack(1)
+    struct PackedBits
+    {
+        char a;
+    	uint32_t b : 5,
+                 c : 27;
+    };
+#pragma pack()  
+    struct PackedBits packed;
+    packed.a = 'a';
+    packed.b = 10;
+    packed.c = 0x7112233;
+
+    return 0;               //// Set break point at this line.
+
+}

external/llvm-project/lldb/packages/Python/lldbsuite/test/lang/c/blocks/Makefile

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

external/llvm-project/lldb/packages/Python/lldbsuite/test/lang/c/blocks/TestBlocks.py

@@ -0,0 +1,84 @@
+"""Test that lldb can invoke blocks and access variables inside them"""
+
+from __future__ import print_function
+
+
+import unittest2
+import os
+import time
+import lldb
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test.decorators import *
+import lldbsuite.test.lldbutil as lldbutil
+
+
+class BlocksTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+    lines = []
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        # Find the line numbers to break at.
+        self.lines.append(line_number('main.c', '// Set breakpoint 0 here.'))
+        self.lines.append(line_number('main.c', '// Set breakpoint 1 here.'))
+
+    def launch_common(self):
+        self.build()
+        exe = os.path.join(os.getcwd(), "a.out")
+        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+        self.is_started = False
+
+        # Break inside the foo function which takes a bar_ptr argument.
+        for line in self.lines:
+            lldbutil.run_break_set_by_file_and_line(
+                self, "main.c", line, num_expected_locations=1, loc_exact=True)
+
+        self.wait_for_breakpoint()
+
+    @skipUnlessDarwin
+    def test_expr(self):
+        self.launch_common()
+
+        self.expect("expression a + b", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=["= 7"])
+
+        self.expect("expression c", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=["= 1"])
+
+        self.wait_for_breakpoint()
+
+        # This should display correctly.
+        self.expect("expression (int)neg (-12)", VARIABLES_DISPLAYED_CORRECTLY,
+                    substrs=["= 12"])
+
+    @skipUnlessDarwin
+    def test_define(self):
+        self.launch_common()
+
+        self.runCmd(
+            "expression int (^$add)(int, int) = ^int(int a, int b) { return a + b; };")
+        self.expect(
+            "expression $add(2,3)",
+            VARIABLES_DISPLAYED_CORRECTLY,
+            substrs=[" = 5"])
+
+        self.runCmd("expression int $a = 3")
+        self.expect(
+            "expression int (^$addA)(int) = ^int(int b) { return $a + b; };",
+            "Proper error is reported on capture",
+            error=True)
+
+    def wait_for_breakpoint(self):
+        if not self.is_started:
+            self.is_started = True
+            self.runCmd("process launch", RUN_SUCCEEDED)
+        else:
+            self.runCmd("process continue", RUN_SUCCEEDED)
+
+        # The stop reason of the thread should be breakpoint.
+        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
+                    substrs=['stopped',
+                             'stop reason = breakpoint'])

external/llvm-project/lldb/packages/Python/lldbsuite/test/lang/c/blocks/main.c

@@ -0,0 +1,21 @@
+#include <stdio.h>
+
+int main()
+{
+    int c = 1;
+
+    int (^add)(int, int) = ^int(int a, int b)
+    {
+        return a + b + c; // Set breakpoint 0 here.
+    };
+
+    int (^neg)(int) = ^int(int a)
+    {
+        return -a;
+    };
+
+    printf("%d\n", add(3, 4));
+    printf("%d\n", neg(-5)); // Set breakpoint 1 here.
+
+    return 0;
+}

external/llvm-project/lldb/packages/Python/lldbsuite/test/lang/c/conflicting-symbol/Makefile

@@ -0,0 +1,18 @@
+LEVEL := ../../../make
+
+LD_EXTRAS := -L. -l$(LIB_PREFIX)One -l$(LIB_PREFIX)Two
+C_SOURCES := main.c
+
+main.o : CFLAGS_EXTRAS += -g -O0
+
+include $(LEVEL)/Makefile.rules
+
+.PHONY:
+a.out: lib_One lib_Two
+
+lib_%:
+	$(MAKE) -f $*.mk
+
+clean::
+	$(MAKE) -f One.mk clean
+	$(MAKE) -f Two.mk clean

external/llvm-project/lldb/packages/Python/lldbsuite/test/lang/c/conflicting-symbol/One.mk

@@ -0,0 +1,12 @@
+LEVEL := ../../../make
+
+DYLIB_NAME := One
+DYLIB_C_SOURCES := One/One.c One/OneConstant.c
+DYLIB_ONLY := YES
+
+include $(LEVEL)/Makefile.rules
+
+CFLAGS_EXTRAS += -fPIC
+
+One/OneConstant.o: One/OneConstant.c
+	$(CC) $(CFLAGS_NO_DEBUG) -c $< -o $@

external/llvm-project/lldb/packages/Python/lldbsuite/test/lang/c/conflicting-symbol/One/One.c

@@ -0,0 +1,6 @@
+#include "One.h"
+#include <stdio.h>
+
+void one() {
+  printf("One\n"); // break here
+}

external/llvm-project/lldb/packages/Python/lldbsuite/test/lang/c/conflicting-symbol/One/One.h

@@ -0,0 +1,4 @@
+#ifndef ONE_H
+#define ONE_H
+void one();
+#endif

external/llvm-project/lldb/packages/Python/lldbsuite/test/lang/c/conflicting-symbol/One/OneConstant.c

@@ -0,0 +1 @@
+int __attribute__ ((visibility("hidden"))) conflicting_symbol = 11111;

external/llvm-project/lldb/packages/Python/lldbsuite/test/lang/c/conflicting-symbol/TestConflictingSymbol.py

@@ -0,0 +1,123 @@
+"""Test that conflicting symbols in different shared libraries work correctly"""
+
+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 lldbutil
+
+
+class TestConflictingSymbols(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+    NO_DEBUG_INFO_TESTCASE = True
+
+    def setUp(self):
+        TestBase.setUp(self)
+
+        self.One_line = line_number('One/One.c', '// break here')
+        self.Two_line = line_number('Two/Two.c', '// break here')
+        self.main_line = line_number('main.c', '// break here')
+
+    def test_conflicting_symbols(self):
+        self.build()
+        exe = os.path.join(os.getcwd(), "a.out")
+        target = self.dbg.CreateTarget("a.out")
+        self.assertTrue(target, VALID_TARGET)
+
+        # Register our shared libraries for remote targets so they get
+        # automatically uploaded
+        environment = self.registerSharedLibrariesWithTarget(
+            target, ['One', 'Two'])
+
+        lldbutil.run_break_set_command(
+            self, 'breakpoint set -f One.c -l %s' % (self.One_line))
+        lldbutil.run_break_set_command(
+            self, 'breakpoint set -f Two.c -l %s' % (self.Two_line))
+        lldbutil.run_break_set_by_file_and_line(
+            self, 'main.c', self.main_line, num_expected_locations=1, loc_exact=True)
+
+        process = target.LaunchSimple(
+            None, environment, self.get_process_working_directory())
+        self.assertTrue(process, PROCESS_IS_VALID)
+
+        # The stop reason of the thread should be breakpoint.
+        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
+                    substrs=['stopped',
+                             'stop reason = breakpoint'])
+
+        self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE,
+                    substrs=[' resolved, hit count = 1'])
+
+        # This should display correctly.
+        self.expect(
+            "expr (unsigned long long)conflicting_symbol",
+            "Symbol from One should be found",
+            substrs=[
+                "11111"])
+
+        self.runCmd("continue", RUN_SUCCEEDED)
+
+        # The stop reason of the thread should be breakpoint.
+        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
+                    substrs=['stopped',
+                             'stop reason = breakpoint'])
+
+        self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE,
+                    substrs=[' resolved, hit count = 1'])
+
+        self.expect(
+            "expr (unsigned long long)conflicting_symbol",
+            "Symbol from Two should be found",
+            substrs=[
+                "22222"])
+
+        self.runCmd("continue", RUN_SUCCEEDED)
+
+        # The stop reason of the thread should be breakpoint.
+        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
+                    substrs=['stopped',
+                             'stop reason = breakpoint'])
+
+        self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE,
+                    substrs=[' resolved, hit count = 1'])
+
+        self.expect(
+            "expr (unsigned long long)conflicting_symbol",
+            "An error should be printed when symbols can't be ordered",
+            error=True,
+            substrs=[
+                "Multiple internal symbols"])
+
+    @expectedFailureAll(bugnumber="llvm.org/pr35043")
+    def test_shadowed(self):
+        self.build()
+        exe = os.path.join(os.getcwd(), "a.out")
+        target = self.dbg.CreateTarget("a.out")
+        self.assertTrue(target, VALID_TARGET)
+
+        # Register our shared libraries for remote targets so they get
+        # automatically uploaded
+        environment = self.registerSharedLibrariesWithTarget(
+            target, ['One', 'Two'])
+
+        lldbutil.run_break_set_by_file_and_line(self, 'main.c', self.main_line)
+
+        process = target.LaunchSimple(
+            None, environment, self.get_process_working_directory())
+        self.assertTrue(process, PROCESS_IS_VALID)
+
+        # The stop reason of the thread should be breakpoint.
+        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
+                    substrs=['stopped',
+                             'stop reason = breakpoint'])
+
+        # As we are shadowing the conflicting symbol, there should be no
+        # ambiguity in this expression.
+        self.expect(
+            "expr int conflicting_symbol = 474747; conflicting_symbol",
+            substrs=[ "474747"])

external/llvm-project/lldb/packages/Python/lldbsuite/test/lang/c/conflicting-symbol/Two.mk

@@ -0,0 +1,12 @@
+LEVEL := ../../../make
+
+DYLIB_NAME := Two
+DYLIB_C_SOURCES := Two/Two.c Two/TwoConstant.c
+DYLIB_ONLY := YES
+
+include $(LEVEL)/Makefile.rules
+
+CFLAGS_EXTRAS += -fPIC
+
+Two/TwoConstant.o: Two/TwoConstant.c
+	$(CC) $(CFLAGS_NO_DEBUG) -c $< -o $@