Import LLVM 10.0.0 release including clang, lld and lldb.

ok hackroom
tested by plenty

5 files changed, 449 insertions, 0 deletions

diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/serialize/Makefile b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/serialize/Makefile
new file mode 100644
index 00000000000..10495940055
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/serialize/Makefile
@@ -0,0 +1,3 @@
+C_SOURCES := main.c
+
+include Makefile.rules
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/serialize/TestBreakpointSerialization.py b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/serialize/TestBreakpointSerialization.py
new file mode 100644
index 00000000000..4c6f32b0896
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/serialize/TestBreakpointSerialization.py
@@ -0,0 +1,375 @@
+"""
+Test breakpoint serialization.
+"""
+
+import os
+import lldb
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+class BreakpointSerialization(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+    NO_DEBUG_INFO_TESTCASE = True
+
+    @add_test_categories(['pyapi'])
+    def test_resolvers(self):
+        """Use Python APIs to test that we serialize resolvers."""
+        self.build()
+        self.setup_targets_and_cleanup()
+        self.do_check_resolvers()
+
+    def test_filters(self):
+        """Use Python APIs to test that we serialize search filters correctly."""
+        self.build()
+        self.setup_targets_and_cleanup()
+        self.do_check_filters()
+
+    def test_options(self):
+        """Use Python APIs to test that we serialize breakpoint options correctly."""
+        self.build()
+        self.setup_targets_and_cleanup()
+        self.do_check_options()
+
+    def test_appending(self):
+        """Use Python APIs to test that we serialize breakpoint options correctly."""
+        self.build()
+        self.setup_targets_and_cleanup()
+        self.do_check_appending()
+
+    def test_name_filters(self):
+        """Use python APIs to test that reading in by name works correctly."""
+        self.build()
+        self.setup_targets_and_cleanup()
+        self.do_check_names()
+        
+    def test_scripted_extra_args(self):
+        self.build()
+        self.setup_targets_and_cleanup()
+        self.do_check_extra_args()
+        
+    def setup_targets_and_cleanup(self):
+        def cleanup ():
+            self.RemoveTempFile(self.bkpts_file_path)
+
+            if self.orig_target.IsValid():
+                self.dbg.DeleteTarget(self.orig_target)
+                self.dbg.DeleteTarget(self.copy_target)
+
+        self.addTearDownHook(cleanup)
+        self.RemoveTempFile(self.bkpts_file_path)
+
+        exe = self.getBuildArtifact("a.out")
+
+        # Create the targets we are making breakpoints in and copying them to:
+        self.orig_target = self.dbg.CreateTarget(exe)
+        self.assertTrue(self.orig_target, VALID_TARGET)
+
+        self.copy_target = self.dbg.CreateTarget(exe)
+        self.assertTrue(self.copy_target, VALID_TARGET)
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+
+        self.bkpts_file_path = self.getBuildArtifact("breakpoints.json")
+        self.bkpts_file_spec = lldb.SBFileSpec(self.bkpts_file_path)
+
+    def check_equivalence(self, source_bps, do_write = True):
+
+        error = lldb.SBError()
+
+        if (do_write):
+            error = self.orig_target.BreakpointsWriteToFile(self.bkpts_file_spec, source_bps)
+            self.assertTrue(error.Success(), "Failed writing breakpoints to file: %s."%(error.GetCString()))
+
+        copy_bps = lldb.SBBreakpointList(self.copy_target)
+        error = self.copy_target.BreakpointsCreateFromFile(self.bkpts_file_spec, copy_bps)
+        self.assertTrue(error.Success(), "Failed reading breakpoints from file: %s"%(error.GetCString()))
+
+        num_source_bps = source_bps.GetSize()
+        num_copy_bps = copy_bps.GetSize()
+        self.assertTrue(num_source_bps == num_copy_bps, "Didn't get same number of input and output breakpoints - orig: %d copy: %d"%(num_source_bps, num_copy_bps))
+
+        for i in range(0, num_source_bps):
+            source_bp = source_bps.GetBreakpointAtIndex(i)
+            source_desc = lldb.SBStream()
+            source_bp.GetDescription(source_desc, False)
+            source_text = source_desc.GetData()
+
+            # I am assuming here that the breakpoints will get written out in breakpoint ID order, and
+            # read back in ditto.  That is true right now, and I can't see any reason to do it differently
+            # but if we do we can go to writing the breakpoints one by one, or sniffing the descriptions to
+            # see which one is which.
+            copy_id = source_bp.GetID()
+            copy_bp = copy_bps.FindBreakpointByID(copy_id)
+            self.assertTrue(copy_bp.IsValid(), "Could not find copy breakpoint %d."%(copy_id))
+
+            copy_desc = lldb.SBStream()
+            copy_bp.GetDescription(copy_desc, False)
+            copy_text = copy_desc.GetData()
+
+            # These two should be identical.
+            # print ("Source text for %d is %s."%(i, source_text))
+            self.assertTrue (source_text == copy_text, "Source and dest breakpoints are not identical: \nsource: %s\ndest: %s"%(source_text, copy_text))
+
+    def do_check_resolvers(self):
+        """Use Python APIs to check serialization of breakpoint resolvers"""
+
+        empty_module_list = lldb.SBFileSpecList()
+        empty_cu_list = lldb.SBFileSpecList()
+        blubby_file_spec = lldb.SBFileSpec(os.path.join(self.getSourceDir(), "blubby.c"))
+
+        # It isn't actually important for these purposes that these breakpoint
+        # actually have locations.
+        source_bps = lldb.SBBreakpointList(self.orig_target)
+        source_bps.Append(self.orig_target.BreakpointCreateByLocation("blubby.c", 666))
+        # Make sure we do one breakpoint right:
+        self.check_equivalence(source_bps)
+        source_bps.Clear()
+
+        source_bps.Append(self.orig_target.BreakpointCreateByName("blubby", lldb.eFunctionNameTypeAuto, empty_module_list, empty_cu_list))
+        source_bps.Append(self.orig_target.BreakpointCreateByName("blubby", lldb.eFunctionNameTypeFull, empty_module_list,empty_cu_list))
+        source_bps.Append(self.orig_target.BreakpointCreateBySourceRegex("dont really care", blubby_file_spec))
+
+        # And some number greater than one:
+        self.check_equivalence(source_bps)
+
+    def do_check_filters(self):
+        """Use Python APIs to check serialization of breakpoint filters."""
+        module_list = lldb.SBFileSpecList()
+        module_list.Append(lldb.SBFileSpec("SomeBinary"))
+        module_list.Append(lldb.SBFileSpec("SomeOtherBinary"))
+
+        cu_list = lldb.SBFileSpecList()
+        cu_list.Append(lldb.SBFileSpec("SomeCU.c"))
+        cu_list.Append(lldb.SBFileSpec("AnotherCU.c"))
+        cu_list.Append(lldb.SBFileSpec("ThirdCU.c"))
+
+        blubby_file_spec = lldb.SBFileSpec(os.path.join(self.getSourceDir(), "blubby.c"))
+
+        # It isn't actually important for these purposes that these breakpoint
+        # actually have locations.
+        source_bps = lldb.SBBreakpointList(self.orig_target)
+        bkpt = self.orig_target.BreakpointCreateByLocation(blubby_file_spec, 666, 0, module_list)
+        source_bps.Append(bkpt)
+
+        # Make sure we do one right:
+        self.check_equivalence(source_bps)
+        source_bps.Clear()
+
+        bkpt = self.orig_target.BreakpointCreateByName("blubby", lldb.eFunctionNameTypeAuto, module_list, cu_list)
+        source_bps.Append(bkpt)
+        bkpt = self.orig_target.BreakpointCreateByName("blubby", lldb.eFunctionNameTypeFull, module_list, cu_list)
+        source_bps.Append(bkpt)
+        bkpt = self.orig_target.BreakpointCreateBySourceRegex("dont really care", blubby_file_spec)
+        source_bps.Append(bkpt)
+
+        # And some number greater than one:
+        self.check_equivalence(source_bps)
+
+    def do_check_options(self):
+        """Use Python APIs to check serialization of breakpoint options."""
+
+        empty_module_list = lldb.SBFileSpecList()
+        empty_cu_list = lldb.SBFileSpecList()
+        blubby_file_spec = lldb.SBFileSpec(os.path.join(self.getSourceDir(), "blubby.c"))
+
+        # It isn't actually important for these purposes that these breakpoint
+        # actually have locations.
+        source_bps = lldb.SBBreakpointList(self.orig_target)
+
+        bkpt = self.orig_target.BreakpointCreateByLocation(
+            lldb.SBFileSpec("blubby.c"), 666, 333, 0, lldb.SBFileSpecList())
+        bkpt.SetEnabled(False)
+        bkpt.SetOneShot(True)
+        bkpt.SetThreadID(10)
+        source_bps.Append(bkpt)
+
+        # Make sure we get one right:
+        self.check_equivalence(source_bps)
+        source_bps.Clear()
+
+        bkpt = self.orig_target.BreakpointCreateByName("blubby", lldb.eFunctionNameTypeAuto, empty_module_list, empty_cu_list)
+        bkpt.SetIgnoreCount(10)
+        bkpt.SetThreadName("grubby")
+        source_bps.Append(bkpt)
+
+        bkpt = self.orig_target.BreakpointCreateByName("blubby", lldb.eFunctionNameTypeAuto, empty_module_list, empty_cu_list)
+        bkpt.SetCondition("gonna remove this")
+        bkpt.SetCondition("")
+        source_bps.Append(bkpt)
+
+        bkpt = self.orig_target.BreakpointCreateByName("blubby", lldb.eFunctionNameTypeFull, empty_module_list,empty_cu_list)
+        bkpt.SetCondition("something != something_else")
+        bkpt.SetQueueName("grubby")
+        bkpt.AddName("FirstName")
+        bkpt.AddName("SecondName")
+        bkpt.SetScriptCallbackBody('\tprint("I am a function that prints.")\n\tprint("I don\'t do anything else")\n')
+        source_bps.Append(bkpt)
+
+        bkpt = self.orig_target.BreakpointCreateBySourceRegex("dont really care", blubby_file_spec)
+        cmd_list = lldb.SBStringList()
+        cmd_list.AppendString("frame var")
+        cmd_list.AppendString("thread backtrace")
+
+        bkpt.SetCommandLineCommands(cmd_list)
+        source_bps.Append(bkpt)
+
+        self.check_equivalence(source_bps)
+
+    def do_check_appending(self):
+        """Use Python APIs to check appending to already serialized options."""
+
+        empty_module_list = lldb.SBFileSpecList()
+        empty_cu_list = lldb.SBFileSpecList()
+        blubby_file_spec = lldb.SBFileSpec(os.path.join(self.getSourceDir(), "blubby.c"))
+
+        # It isn't actually important for these purposes that these breakpoint
+        # actually have locations.
+
+        all_bps = lldb.SBBreakpointList(self.orig_target)
+        source_bps = lldb.SBBreakpointList(self.orig_target)
+
+        bkpt = self.orig_target.BreakpointCreateByLocation(
+            lldb.SBFileSpec("blubby.c"), 666, 333, 0, lldb.SBFileSpecList())
+        bkpt.SetEnabled(False)
+        bkpt.SetOneShot(True)
+        bkpt.SetThreadID(10)
+        source_bps.Append(bkpt)
+        all_bps.Append(bkpt)
+
+        error = lldb.SBError()
+        error = self.orig_target.BreakpointsWriteToFile(self.bkpts_file_spec, source_bps)
+        self.assertTrue(error.Success(), "Failed writing breakpoints to file: %s."%(error.GetCString()))
+
+        source_bps.Clear()
+
+        bkpt = self.orig_target.BreakpointCreateByName("blubby", lldb.eFunctionNameTypeAuto, empty_module_list, empty_cu_list)
+        bkpt.SetIgnoreCount(10)
+        bkpt.SetThreadName("grubby")
+        source_bps.Append(bkpt)
+        all_bps.Append(bkpt)
+
+        bkpt = self.orig_target.BreakpointCreateByName("blubby", lldb.eFunctionNameTypeFull, empty_module_list,empty_cu_list)
+        bkpt.SetCondition("something != something_else")
+        bkpt.SetQueueName("grubby")
+        bkpt.AddName("FirstName")
+        bkpt.AddName("SecondName")
+
+        source_bps.Append(bkpt)
+        all_bps.Append(bkpt)
+
+        error = self.orig_target.BreakpointsWriteToFile(self.bkpts_file_spec, source_bps, True)
+        self.assertTrue(error.Success(), "Failed appending breakpoints to file: %s."%(error.GetCString()))
+
+        self.check_equivalence(all_bps)
+
+    def do_check_names(self):
+        bkpt = self.orig_target.BreakpointCreateByLocation(
+            lldb.SBFileSpec("blubby.c"), 666, 333, 0, lldb.SBFileSpecList())
+        good_bkpt_name = "GoodBreakpoint"
+        write_bps = lldb.SBBreakpointList(self.orig_target)
+        bkpt.AddName(good_bkpt_name)
+        write_bps.Append(bkpt)
+
+        error = lldb.SBError()
+        error = self.orig_target.BreakpointsWriteToFile(self.bkpts_file_spec, write_bps)
+        self.assertTrue(error.Success(), "Failed writing breakpoints to file: %s."%(error.GetCString()))
+
+        copy_bps = lldb.SBBreakpointList(self.copy_target)
+        names_list = lldb.SBStringList()
+        names_list.AppendString("NoSuchName")
+
+        error = self.copy_target.BreakpointsCreateFromFile(self.bkpts_file_spec, names_list, copy_bps)
+        self.assertTrue(error.Success(), "Failed reading breakpoints from file: %s"%(error.GetCString()))
+        self.assertTrue(copy_bps.GetSize() == 0, "Found breakpoints with a nonexistent name.")
+
+        names_list.AppendString(good_bkpt_name)
+        error = self.copy_target.BreakpointsCreateFromFile(self.bkpts_file_spec, names_list, copy_bps)
+        self.assertTrue(error.Success(), "Failed reading breakpoints from file: %s"%(error.GetCString()))
+        self.assertTrue(copy_bps.GetSize() == 1, "Found the matching breakpoint.")
+
+    def do_check_extra_args(self):
+
+        import side_effect
+        interp = self.dbg.GetCommandInterpreter()
+        error = lldb.SBError()
+
+        script_name = os.path.join(self.getSourceDir(), "resolver.py")
+
+        command = "command script import " + script_name
+        result = lldb.SBCommandReturnObject()
+        interp.HandleCommand(command, result)
+        self.assertTrue(result.Succeeded(), "com scr imp failed: %s"%(result.GetError()))
+
+        # First make sure a scripted breakpoint with no args works:
+        bkpt = self.orig_target.BreakpointCreateFromScript("resolver.Resolver", lldb.SBStructuredData(),
+                                                           lldb.SBFileSpecList(), lldb.SBFileSpecList())
+        self.assertTrue(bkpt.IsValid(), "Bkpt is valid")
+        write_bps = lldb.SBBreakpointList(self.orig_target)
+
+        error = self.orig_target.BreakpointsWriteToFile(self.bkpts_file_spec, write_bps)
+        self.assertTrue(error.Success(), "Failed writing breakpoints: %s"%(error.GetCString()))
+
+        side_effect.g_extra_args = None
+        copy_bps = lldb.SBBreakpointList(self.copy_target)
+        error = self.copy_target.BreakpointsCreateFromFile(self.bkpts_file_spec, copy_bps)
+        self.assertTrue(error.Success(), "Failed reading breakpoints: %s"%(error.GetCString()))
+
+        self.assertEqual(copy_bps.GetSize(), 1, "Got one breakpoint from file.")
+        no_keys = lldb.SBStringList()
+        side_effect.g_extra_args.GetKeys(no_keys)
+        self.assertEqual(no_keys.GetSize(), 0, "Should have no keys")
+
+        self.orig_target.DeleteAllBreakpoints()
+        self.copy_target.DeleteAllBreakpoints()
+
+        # Now try one with extra args:
+        
+        extra_args = lldb.SBStructuredData()
+        stream = lldb.SBStream()
+        stream.Print('{"first_arg" : "first_value", "second_arg" : "second_value"}')
+        extra_args.SetFromJSON(stream)
+        self.assertTrue(extra_args.IsValid(), "SBStructuredData is valid.")
+        
+        bkpt = self.orig_target.BreakpointCreateFromScript("resolver.Resolver",
+                                                           extra_args, lldb.SBFileSpecList(), lldb.SBFileSpecList())
+        self.assertTrue(bkpt.IsValid(), "Bkpt is valid")
+        write_bps = lldb.SBBreakpointList(self.orig_target)
+
+        error = self.orig_target.BreakpointsWriteToFile(self.bkpts_file_spec, write_bps)
+        self.assertTrue(error.Success(), "Failed writing breakpoints: %s"%(error.GetCString()))
+
+        orig_extra_args = side_effect.g_extra_args
+        self.assertTrue(orig_extra_args.IsValid(), "Extra args originally valid")
+
+        orig_keys = lldb.SBStringList()
+        orig_extra_args.GetKeys(orig_keys)
+        self.assertEqual(2, orig_keys.GetSize(), "Should have two keys")
+
+        side_effect.g_extra_args = None
+
+        copy_bps = lldb.SBBreakpointList(self.copy_target)
+        error = self.copy_target.BreakpointsCreateFromFile(self.bkpts_file_spec, copy_bps)
+        self.assertTrue(error.Success(), "Failed reading breakpoints: %s"%(error.GetCString()))
+
+        self.assertEqual(copy_bps.GetSize(), 1, "Got one breakpoint from file.")
+
+        copy_extra_args = side_effect.g_extra_args
+        copy_keys = lldb.SBStringList()
+        copy_extra_args.GetKeys(copy_keys)
+        self.assertEqual(2, copy_keys.GetSize(), "Copy should have two keys")
+
+        for idx in range(0, orig_keys.GetSize()):
+            key = orig_keys.GetStringAtIndex(idx)
+            copy_value = copy_extra_args.GetValueForKey(key).GetStringValue(100)
+
+            if key == "first_arg":
+                self.assertEqual(copy_value, "first_value")
+            elif key == "second_arg":
+                self.assertEqual(copy_value, "second_value")
+            else:
+                self.Fail("Unknown key: %s"%(key))
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/serialize/main.c b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/serialize/main.c
new file mode 100644
index 00000000000..b1ed4465c1d
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/serialize/main.c
@@ -0,0 +1,53 @@
+//===-- main.c --------------------------------------------------*- 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
+//
+//===----------------------------------------------------------------------===//
+#include <stdio.h>
+
+// This simple program is to demonstrate the capability of the lldb command
+// "breakpoint modify -i <count> breakpt-id" to set the number of times a
+// breakpoint is skipped before stopping.  Ignore count can also be set upon
+// breakpoint creation by 'breakpoint set ... -i <count>'.
+
+int a(int);
+int b(int);
+int c(int);
+
+int a(int val)
+{
+    if (val <= 1)
+        return b(val);
+    else if (val >= 3)
+        return c(val); // a(3) -> c(3) Find the call site of c(3).
+
+    return val;
+}
+
+int b(int val)
+{
+    return c(val);
+}
+
+int c(int val)
+{
+    return val + 3; // Find the line number of function "c" here.
+}
+
+int main (int argc, char const *argv[])
+{
+    int A1 = a(1);  // a(1) -> b(1) -> c(1)
+    printf("a(1) returns %d\n", A1);
+    
+    int B2 = b(2);  // b(2) -> c(2) Find the call site of b(2).
+    printf("b(2) returns %d\n", B2);
+    
+    int A3 = a(3);  // a(3) -> c(3) Find the call site of a(3).
+    printf("a(3) returns %d\n", A3);
+    
+    int C1 = c(5); // Find the call site of c in main.
+    printf ("c(5) returns %d\n", C1);
+    return 0;
+}
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/serialize/resolver.py b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/serialize/resolver.py
new file mode 100644
index 00000000000..c3a5af596d2
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/serialize/resolver.py
@@ -0,0 +1,17 @@
+import lldb
+import side_effect
+
+class Resolver:
+  """This resolver class is just so I can read out the extra_args."""
+  
+  def __init__(self, bkpt, extra_args, dict):
+      self.bkpt = bkpt
+      side_effect.g_extra_args = extra_args
+    
+  def __callback__(self, sym_ctx):
+      """Doesn't actually do anything."""
+      return
+
+  def get_short_help(self):
+      return "I am a python breakpoint resolver that does nothing"
+
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/serialize/side_effect.py b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/serialize/side_effect.py
new file mode 100644
index 00000000000..868901cfce8
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/serialize/side_effect.py
@@ -0,0 +1 @@
+g_extra_args = None