Import LLVM 10.0.0 release including clang, lld and lldb.

ok hackroom
tested by plenty

5 files changed, 535 insertions, 0 deletions

diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/dynamic-value/Makefile b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/dynamic-value/Makefile
new file mode 100644
index 00000000000..2bba8e757f7
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/dynamic-value/Makefile
@@ -0,0 +1,3 @@
+CXX_SOURCES := pass-to-base.cpp
+
+include Makefile.rules
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/dynamic-value/TestCppValueCast.py b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/dynamic-value/TestCppValueCast.py
new file mode 100644
index 00000000000..609dd608aa4
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/dynamic-value/TestCppValueCast.py
@@ -0,0 +1,135 @@
+"""
+Test lldb Python API SBValue::Cast(SBType) for C++ types.
+"""
+
+from __future__ import print_function
+
+
+import unittest2
+import lldb
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+class CppValueCastTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    @skipIf(bugnumber="llvm.org/PR36714")
+    @add_test_categories(['pyapi'])
+    def test_value_cast_with_virtual_inheritance(self):
+        """Test SBValue::Cast(SBType) API for C++ types with virtual inheritance."""
+        self.build(dictionary=self.d_virtual)
+        self.setTearDownCleanup(dictionary=self.d_virtual)
+        self.do_sbvalue_cast(self.exe_name)
+
+    @add_test_categories(['pyapi'])
+    def test_value_cast_with_regular_inheritance(self):
+        """Test SBValue::Cast(SBType) API for C++ types with regular inheritance."""
+        self.build(dictionary=self.d_regular)
+        self.setTearDownCleanup(dictionary=self.d_regular)
+        self.do_sbvalue_cast(self.exe_name)
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+
+        # Find the line number to break for main.c.
+        self.source = 'sbvalue-cast.cpp'
+        self.line = line_number(self.source, '// Set breakpoint here.')
+        self.exe_name = self.testMethodName
+        self.d_virtual = {
+            'CXX_SOURCES': self.source,
+            'EXE': self.exe_name,
+            'CFLAGS_EXTRAS': '-DDO_VIRTUAL_INHERITANCE'}
+        self.d_regular = {'CXX_SOURCES': self.source, 'EXE': self.exe_name}
+
+    def do_sbvalue_cast(self, exe_name):
+        """Test SBValue::Cast(SBType) API for C++ types."""
+        exe = self.getBuildArtifact(exe_name)
+
+        # Create a target from the debugger.
+
+        target = self.dbg.CreateTarget(exe)
+        self.assertTrue(target, VALID_TARGET)
+
+        # Set up our breakpoints:
+
+        breakpoint = target.BreakpointCreateByLocation(self.source, self.line)
+        self.assertTrue(breakpoint, VALID_BREAKPOINT)
+
+        # Now launch the process, and do not stop at the entry point.
+        process = target.LaunchSimple(
+            None, None, self.get_process_working_directory())
+
+        self.assertTrue(process.GetState() == lldb.eStateStopped,
+                        PROCESS_STOPPED)
+
+        # Find DerivedA and DerivedB types.
+        typeA = target.FindFirstType('DerivedA')
+        typeB = target.FindFirstType('DerivedB')
+        self.DebugSBType(typeA)
+        self.DebugSBType(typeB)
+        self.assertTrue(typeA)
+        self.assertTrue(typeB)
+        error = lldb.SBError()
+
+        # First stop is for DerivedA instance.
+        threads = lldbutil.get_threads_stopped_at_breakpoint(
+            process, breakpoint)
+        self.assertTrue(len(threads) == 1)
+        thread = threads[0]
+        frame0 = thread.GetFrameAtIndex(0)
+
+        tellerA = frame0.FindVariable('teller', lldb.eNoDynamicValues)
+        self.DebugSBValue(tellerA)
+        self.assertTrue(tellerA.GetChildMemberWithName(
+            'm_base_val').GetValueAsUnsigned(error, 0) == 20)
+
+        if self.TraceOn():
+            for child in tellerA:
+                print("child name:", child.GetName())
+                print(child)
+
+        # Call SBValue.Cast() to obtain instanceA.
+        instanceA = tellerA.Cast(typeA.GetPointerType())
+        self.DebugSBValue(instanceA)
+
+        # Iterate through all the children and print their values.
+        if self.TraceOn():
+            for child in instanceA:
+                print("child name:", child.GetName())
+                print(child)
+        a_member_val = instanceA.GetChildMemberWithName('m_a_val')
+        self.DebugSBValue(a_member_val)
+        self.assertTrue(a_member_val.GetValueAsUnsigned(error, 0) == 10)
+
+        # Second stop is for DerivedB instance.
+        threads = lldbutil.continue_to_breakpoint(process, breakpoint)
+        self.assertTrue(len(threads) == 1)
+        thread = threads[0]
+        frame0 = thread.GetFrameAtIndex(0)
+
+        tellerB = frame0.FindVariable('teller', lldb.eNoDynamicValues)
+        self.DebugSBValue(tellerB)
+        self.assertTrue(tellerB.GetChildMemberWithName(
+            'm_base_val').GetValueAsUnsigned(error, 0) == 12)
+
+        if self.TraceOn():
+            for child in tellerB:
+                print("child name:", child.GetName())
+                print(child)
+
+        # Call SBValue.Cast() to obtain instanceB.
+        instanceB = tellerB.Cast(typeB.GetPointerType())
+        self.DebugSBValue(instanceB)
+
+        # Iterate through all the children and print their values.
+        if self.TraceOn():
+            for child in instanceB:
+                print("child name:", child.GetName())
+                print(child)
+        b_member_val = instanceB.GetChildMemberWithName('m_b_val')
+        self.DebugSBValue(b_member_val)
+        self.assertTrue(b_member_val.GetValueAsUnsigned(error, 0) == 36)
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/dynamic-value/TestDynamicValue.py b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/dynamic-value/TestDynamicValue.py
new file mode 100644
index 00000000000..c3d7dfb328f
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/dynamic-value/TestDynamicValue.py
@@ -0,0 +1,249 @@
+"""
+Use lldb Python API to test dynamic values in C++
+"""
+
+
+
+import lldb
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+class DynamicValueTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+
+        # Find the line number to break for main.c.
+
+        self.do_something_line = line_number(
+            'pass-to-base.cpp', '// Break here in doSomething.')
+        self.main_first_call_line = line_number(
+            'pass-to-base.cpp',
+            '// Break here and get real addresses of myB and otherB.')
+        self.main_second_call_line = line_number(
+            'pass-to-base.cpp', '// Break here and get real address of reallyA.')
+
+    @add_test_categories(['pyapi'])
+    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24663")
+    def test_get_dynamic_vals(self):
+        """Test fetching C++ dynamic values from pointers & references."""
+        self.build(dictionary=self.getBuildFlags())
+        exe = self.getBuildArtifact("a.out")
+
+        # Create a target from the debugger.
+
+        target = self.dbg.CreateTarget(exe)
+        self.assertTrue(target, VALID_TARGET)
+
+        # Set up our breakpoints:
+
+        do_something_bpt = target.BreakpointCreateByLocation(
+            'pass-to-base.cpp', self.do_something_line)
+        self.assertTrue(do_something_bpt,
+                        VALID_BREAKPOINT)
+
+        first_call_bpt = target.BreakpointCreateByLocation(
+            'pass-to-base.cpp', self.main_first_call_line)
+        self.assertTrue(first_call_bpt,
+                        VALID_BREAKPOINT)
+
+        second_call_bpt = target.BreakpointCreateByLocation(
+            'pass-to-base.cpp', self.main_second_call_line)
+        self.assertTrue(second_call_bpt,
+                        VALID_BREAKPOINT)
+
+        # Now launch the process, and do not stop at the entry point.
+        process = target.LaunchSimple(
+            None, None, self.get_process_working_directory())
+
+        self.assertTrue(process.GetState() == lldb.eStateStopped,
+                        PROCESS_STOPPED)
+
+        threads = lldbutil.get_threads_stopped_at_breakpoint(
+            process, first_call_bpt)
+        self.assertTrue(len(threads) == 1)
+        thread = threads[0]
+
+        frame = thread.GetFrameAtIndex(0)
+
+        # Now find the dynamic addresses of myB and otherB so we can compare them
+        # with the dynamic values we get in doSomething:
+
+        use_dynamic = lldb.eDynamicCanRunTarget
+        no_dynamic = lldb.eNoDynamicValues
+
+        myB = frame.FindVariable('myB', no_dynamic)
+        self.assertTrue(myB)
+        myB_loc = int(myB.GetLocation(), 16)
+
+        otherB = frame.FindVariable('otherB', no_dynamic)
+        self.assertTrue(otherB)
+        otherB_loc = int(otherB.GetLocation(), 16)
+
+        # Okay now run to doSomething:
+
+        threads = lldbutil.continue_to_breakpoint(process, do_something_bpt)
+        self.assertTrue(len(threads) == 1)
+        thread = threads[0]
+
+        frame = thread.GetFrameAtIndex(0)
+
+        # Get "this" using FindVariable:
+
+        this_static = frame.FindVariable('this', no_dynamic)
+        this_dynamic = frame.FindVariable('this', use_dynamic)
+        self.examine_value_object_of_this_ptr(
+            this_static, this_dynamic, myB_loc)
+
+        # Now make sure that the "GetDynamicValue" works:
+        # This doesn't work currently because we can't get dynamic values from
+        # ConstResult objects.
+        fetched_dynamic_value = this_static.GetDynamicValue(use_dynamic)
+        self.examine_value_object_of_this_ptr(
+            this_static, fetched_dynamic_value, myB_loc)
+
+        # And conversely that the GetDynamicValue() interface also works:
+        fetched_static_value = this_dynamic.GetStaticValue()
+        self.examine_value_object_of_this_ptr(
+            fetched_static_value, this_dynamic, myB_loc)
+
+        # Get "this" using FindValue, make sure that works too:
+        this_static = frame.FindValue(
+            'this', lldb.eValueTypeVariableArgument, no_dynamic)
+        this_dynamic = frame.FindValue(
+            'this', lldb.eValueTypeVariableArgument, use_dynamic)
+        self.examine_value_object_of_this_ptr(
+            this_static, this_dynamic, myB_loc)
+
+        # Get "this" using the EvaluateExpression:
+        this_static = frame.EvaluateExpression('this', False)
+        this_dynamic = frame.EvaluateExpression('this', True)
+        self.examine_value_object_of_this_ptr(
+            this_static, this_dynamic, myB_loc)
+
+        # The "frame var" code uses another path to get into children, so let's
+        # make sure that works as well:
+
+        self.expect(
+            'frame var -d run-target --ptr-depth=2 --show-types anotherA.m_client_A',
+            'frame var finds its way into a child member',
+            patterns=['\(B \*\)'])
+
+        # Now make sure we also get it right for a reference as well:
+
+        anotherA_static = frame.FindVariable('anotherA', False)
+        self.assertTrue(anotherA_static)
+        anotherA_static_addr = int(anotherA_static.GetValue(), 16)
+
+        anotherA_dynamic = frame.FindVariable('anotherA', True)
+        self.assertTrue(anotherA_dynamic)
+        anotherA_dynamic_addr = int(anotherA_dynamic.GetValue(), 16)
+        anotherA_dynamic_typename = anotherA_dynamic.GetTypeName()
+        self.assertTrue(anotherA_dynamic_typename.find('B') != -1)
+
+        self.assertTrue(anotherA_dynamic_addr < anotherA_static_addr)
+
+        anotherA_m_b_value_dynamic = anotherA_dynamic.GetChildMemberWithName(
+            'm_b_value', True)
+        self.assertTrue(anotherA_m_b_value_dynamic)
+        anotherA_m_b_val = int(anotherA_m_b_value_dynamic.GetValue(), 10)
+        self.assertTrue(anotherA_m_b_val == 300)
+
+        anotherA_m_b_value_static = anotherA_static.GetChildMemberWithName(
+            'm_b_value', True)
+        self.assertFalse(anotherA_m_b_value_static)
+
+        # Okay, now continue again, and when we hit the second breakpoint in
+        # main
+
+        threads = lldbutil.continue_to_breakpoint(process, second_call_bpt)
+        self.assertTrue(len(threads) == 1)
+        thread = threads[0]
+
+        frame = thread.GetFrameAtIndex(0)
+        reallyA_value = frame.FindVariable('reallyA', False)
+        self.assertTrue(reallyA_value)
+        reallyA_loc = int(reallyA_value.GetLocation(), 16)
+
+        # Finally continue to doSomething again, and make sure we get the right value for anotherA,
+        # which this time around is just an "A".
+
+        threads = lldbutil.continue_to_breakpoint(process, do_something_bpt)
+        self.assertTrue(len(threads) == 1)
+        thread = threads[0]
+
+        frame = thread.GetFrameAtIndex(0)
+        anotherA_value = frame.FindVariable('anotherA', True)
+        self.assertTrue(anotherA_value)
+        anotherA_loc = int(anotherA_value.GetValue(), 16)
+        self.assertTrue(anotherA_loc == reallyA_loc)
+        self.assertTrue(anotherA_value.GetTypeName().find('B') == -1)
+
+    def examine_value_object_of_this_ptr(
+            self, this_static, this_dynamic, dynamic_location):
+        # Get "this" as its static value
+        self.assertTrue(this_static)
+        this_static_loc = int(this_static.GetValue(), 16)
+
+        # Get "this" as its dynamic value
+
+        self.assertTrue(this_dynamic)
+        this_dynamic_typename = this_dynamic.GetTypeName()
+        self.assertTrue(this_dynamic_typename.find('B') != -1)
+        this_dynamic_loc = int(this_dynamic.GetValue(), 16)
+
+        # Make sure we got the right address for "this"
+
+        self.assertTrue(this_dynamic_loc == dynamic_location)
+
+        # And that the static address is greater than the dynamic one
+
+        self.assertTrue(this_static_loc > this_dynamic_loc)
+
+        # Now read m_b_value which is only in the dynamic value:
+
+        use_dynamic = lldb.eDynamicCanRunTarget
+        no_dynamic = lldb.eNoDynamicValues
+
+        this_dynamic_m_b_value = this_dynamic.GetChildMemberWithName(
+            'm_b_value', use_dynamic)
+        self.assertTrue(this_dynamic_m_b_value)
+
+        m_b_value = int(this_dynamic_m_b_value.GetValue(), 0)
+        self.assertTrue(m_b_value == 10)
+
+        # Make sure it is not in the static version
+
+        this_static_m_b_value = this_static.GetChildMemberWithName(
+            'm_b_value', no_dynamic)
+        self.assertFalse(this_static_m_b_value)
+
+        # Okay, now let's make sure that we can get the dynamic type of a child
+        # element:
+
+        contained_auto_ptr = this_dynamic.GetChildMemberWithName(
+            'm_client_A', use_dynamic)
+        self.assertTrue(contained_auto_ptr)
+        contained_b = contained_auto_ptr.GetChildMemberWithName(
+            '_M_ptr', use_dynamic)
+        if not contained_b:
+            contained_b = contained_auto_ptr.GetChildMemberWithName(
+                '__ptr_', use_dynamic)
+        self.assertTrue(contained_b)
+
+        contained_b_static = contained_auto_ptr.GetChildMemberWithName(
+            '_M_ptr', no_dynamic)
+        if not contained_b_static:
+            contained_b_static = contained_auto_ptr.GetChildMemberWithName(
+                '__ptr_', no_dynamic)
+        self.assertTrue(contained_b_static)
+
+        contained_b_addr = int(contained_b.GetValue(), 16)
+        contained_b_static_addr = int(contained_b_static.GetValue(), 16)
+
+        self.assertTrue(contained_b_addr < contained_b_static_addr)
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/dynamic-value/pass-to-base.cpp b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/dynamic-value/pass-to-base.cpp
new file mode 100644
index 00000000000..2bccf330382
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/dynamic-value/pass-to-base.cpp
@@ -0,0 +1,69 @@
+#include <stdio.h>
+#include <memory>
+
+class Extra
+{
+public:
+  Extra (int in_one, int in_two) : m_extra_one(in_one), m_extra_two(in_two) {}
+
+private:
+  int m_extra_one;
+  int m_extra_two;
+};
+
+class A
+{
+public:
+  A(int value) : m_a_value (value) {}
+  A(int value, A* client_A) : m_a_value (value), m_client_A (client_A) {}
+
+  virtual ~A() {}
+
+  virtual void
+  doSomething (A &anotherA)
+  {
+    printf ("In A %p doing something with %d.\n", this, m_a_value);
+    int tmp_value = anotherA.Value();
+    printf ("Also have another A at %p: %d.\n", &anotherA, tmp_value); // Break here in doSomething.
+  }
+
+  int 
+  Value()
+  {
+    return m_a_value;
+  }
+
+private:
+  int m_a_value;
+  std::auto_ptr<A> m_client_A;
+};
+
+class B : public Extra, public virtual A
+{
+public:
+  B (int b_value, int a_value) : Extra(b_value, a_value), A(a_value), m_b_value(b_value) {}
+  B (int b_value, int a_value, A *client_A) : Extra(b_value, a_value), A(a_value, client_A), m_b_value(b_value) {}
+
+  virtual ~B () {}
+
+private:
+  int m_b_value;
+};
+
+static A* my_global_A_ptr;
+
+int
+main (int argc, char **argv)
+{
+  my_global_A_ptr = new B (100, 200);
+  B myB (10, 20, my_global_A_ptr);
+  B *second_fake_A_ptr = new B (150, 250);
+  B otherB (300, 400, second_fake_A_ptr);
+
+  myB.doSomething(otherB); // Break here and get real addresses of myB and otherB.
+
+  A reallyA (500);
+  myB.doSomething (reallyA);  // Break here and get real address of reallyA.
+
+  return 0;
+}
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/dynamic-value/sbvalue-cast.cpp b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/dynamic-value/sbvalue-cast.cpp
new file mode 100644
index 00000000000..9e03594a734
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/dynamic-value/sbvalue-cast.cpp
@@ -0,0 +1,79 @@
+//===-- sbvalue-cast.cpp ----------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+#ifdef DO_VIRTUAL_INHERITANCE
+#define VIRTUAL virtual
+#else
+#define VIRTUAL 
+#endif
+
+#include <stdio.h>
+
+class Base
+{
+public:
+    Base(int val) : m_base_val (val) {}
+    virtual ~Base() {}
+
+    virtual void
+    forcast(int input) {
+        int future_val = m_base_val + input * 1;
+        printf("Forcasting %d\n", future_val);
+    }
+
+protected:
+    int m_base_val;
+};
+
+class DerivedA : public VIRTUAL Base
+{
+public:
+    DerivedA(int val) : Base(val*2), m_a_val(val) {
+        printf("DerivedA::ctor()->\n");
+        printf("m_base_val=%d\n", m_base_val);
+        printf("m_a_val=%d\n", m_a_val);
+    }
+    virtual ~DerivedA() {}
+
+private:
+    int m_a_val;
+};
+
+class DerivedB : public VIRTUAL Base
+{
+public:
+    DerivedB(int val) : Base(val), m_b_val(val*3) {
+        printf("DerivedB::ctor()->\n");
+        printf("m_base_val=%d\n", m_base_val);
+        printf("m_b_val=%d\n", m_b_val);
+    }
+    virtual ~DerivedB() {}
+    
+    virtual void
+    forcast(int input) {
+        int future_val = m_b_val + input * 2;
+        printf("Forcasting %d\n", future_val);
+    }
+
+private:
+    int m_b_val;
+};
+
+int
+main(int argc, char **argv)
+{
+	DerivedA* dA = new DerivedA(10);
+	DerivedB* dB = new DerivedB(12);
+	Base *array[2] = {dA, dB};
+    Base *teller = NULL;
+    for (int i = 0; i < 2; ++i) {
+        teller = array[i];
+        teller->forcast(i); // Set breakpoint here.
+    }
+
+    return 0;
+}