Import LLVM 10.0.0 release including clang, lld and lldb.

ok hackroom
tested by plenty

5 files changed, 185 insertions, 0 deletions

diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/tools/lldb-server/libraries-svr4/Makefile b/gnu/llvm/lldb/packages/Python/lldbsuite/test/tools/lldb-server/libraries-svr4/Makefile
new file mode 100644
index 00000000000..5b5c1dcef78
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/tools/lldb-server/libraries-svr4/Makefile
@@ -0,0 +1,19 @@
+LIB_PREFIX := svr4lib
+LD_EXTRAS := -L. -lsvr4lib_a -lsvr4lib_b\"
+CXX_SOURCES := main.cpp
+USE_LIBDL := 1
+MAKE_DSYM := NO
+
+a.out: svr4lib_a svr4lib_b_quote
+
+include Makefile.rules
+
+svr4lib_a:
+	$(MAKE) -f $(MAKEFILE_RULES) \
+		DYLIB_NAME=svr4lib_a DYLIB_CXX_SOURCES=svr4lib_a.cpp \
+		DYLIB_ONLY=YES
+
+svr4lib_b_quote:
+	$(MAKE) -f $(MAKEFILE_RULES) \
+		DYLIB_NAME=svr4lib_b\\\" DYLIB_CXX_SOURCES=svr4lib_b_quote.cpp \
+		DYLIB_ONLY=YES
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/tools/lldb-server/libraries-svr4/TestGdbRemoteLibrariesSvr4Support.py b/gnu/llvm/lldb/packages/Python/lldbsuite/test/tools/lldb-server/libraries-svr4/TestGdbRemoteLibrariesSvr4Support.py
new file mode 100644
index 00000000000..2081d9f34c5
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/tools/lldb-server/libraries-svr4/TestGdbRemoteLibrariesSvr4Support.py
@@ -0,0 +1,133 @@
+import xml.etree.ElementTree as ET
+
+import gdbremote_testcase
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+
+
+class TestGdbRemoteLibrariesSvr4Support(gdbremote_testcase.GdbRemoteTestCaseBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    FEATURE_NAME = "qXfer:libraries-svr4:read"
+
+    def setup_test(self):
+        self.init_llgs_test()
+        self.build()
+        self.set_inferior_startup_launch()
+        env = {}
+        env[self.dylibPath] = self.getBuildDir()
+        self.prep_debug_monitor_and_inferior(inferior_env=env)
+        self.continue_process_and_wait_for_stop()
+
+    def get_expected_libs(self):
+        return ["libsvr4lib_a.so", 'libsvr4lib_b".so']
+
+    def has_libraries_svr4_support(self):
+        self.add_qSupported_packets()
+        context = self.expect_gdbremote_sequence()
+        self.assertIsNotNone(context)
+        features = self.parse_qSupported_response(context)
+        return self.FEATURE_NAME in features and features[self.FEATURE_NAME] == "+"
+
+    def get_libraries_svr4_data(self):
+        # Start up llgs and inferior, and check for libraries-svr4 support.
+        if not self.has_libraries_svr4_support():
+            self.skipTest("libraries-svr4 not supported")
+
+        # Grab the libraries-svr4 data.
+        self.reset_test_sequence()
+        self.test_sequence.add_log_lines(
+            [
+                "read packet: $qXfer:libraries-svr4:read::0,ffff:#00",
+                {
+                    "direction": "send",
+                    "regex": re.compile(
+                        r"^\$([^E])(.*)#[0-9a-fA-F]{2}$", re.MULTILINE | re.DOTALL
+                    ),
+                    "capture": {1: "response_type", 2: "content_raw"},
+                },
+            ],
+            True,
+        )
+
+        context = self.expect_gdbremote_sequence()
+        self.assertIsNotNone(context)
+
+        # Ensure we end up with all libraries-svr4 data in one packet.
+        self.assertEqual(context.get("response_type"), "l")
+
+        # Decode binary data.
+        content_raw = context.get("content_raw")
+        self.assertIsNotNone(content_raw)
+        return content_raw
+
+    def get_libraries_svr4_xml(self):
+        libraries_svr4 = self.get_libraries_svr4_data()
+        xml_root = None
+        try:
+            xml_root = ET.fromstring(libraries_svr4)
+        except xml.etree.ElementTree.ParseError:
+            pass
+        self.assertIsNotNone(xml_root, "Malformed libraries-svr4 XML")
+        return xml_root
+
+    def libraries_svr4_well_formed(self):
+        xml_root = self.get_libraries_svr4_xml()
+        self.assertEqual(xml_root.tag, "library-list-svr4")
+        for child in xml_root:
+            self.assertEqual(child.tag, "library")
+            self.assertItemsEqual(child.attrib.keys(), ["name", "lm", "l_addr", "l_ld"])
+
+    def libraries_svr4_has_correct_load_addr(self):
+        xml_root = self.get_libraries_svr4_xml()
+        for child in xml_root:
+            name = child.attrib.get("name")
+            base_name = os.path.basename(name)
+            if os.path.basename(name) not in self.get_expected_libs():
+                continue
+            load_addr = int(child.attrib.get("l_addr"), 16)
+            self.reset_test_sequence()
+            self.add_query_memory_region_packets(load_addr)
+            context = self.expect_gdbremote_sequence()
+            mem_region = self.parse_memory_region_packet(context)
+            self.assertEqual(load_addr, int(mem_region.get("start", 0), 16))
+            self.assertEqual(
+                os.path.realpath(name), os.path.realpath(mem_region.get("name", ""))
+            )
+
+    def libraries_svr4_libs_present(self):
+        xml_root = self.get_libraries_svr4_xml()
+        libraries_svr4_names = []
+        for child in xml_root:
+            name = child.attrib.get("name")
+            libraries_svr4_names.append(os.path.realpath(name))
+        for lib in self.get_expected_libs():
+            self.assertIn(self.getBuildDir() + "/" + lib, libraries_svr4_names)
+
+    @llgs_test
+    @skipUnlessPlatform(["linux", "android", "netbsd"])
+    def test_supports_libraries_svr4(self):
+        self.setup_test()
+        self.assertTrue(self.has_libraries_svr4_support())
+
+    @llgs_test
+    @skipUnlessPlatform(["linux", "android", "netbsd"])
+    @expectedFailureNetBSD
+    def test_libraries_svr4_well_formed(self):
+        self.setup_test()
+        self.libraries_svr4_well_formed()
+
+    @llgs_test
+    @skipUnlessPlatform(["linux", "android", "netbsd"])
+    @expectedFailureNetBSD
+    def test_libraries_svr4_load_addr(self):
+        self.setup_test()
+        self.libraries_svr4_has_correct_load_addr()
+
+    @llgs_test
+    @skipUnlessPlatform(["linux", "android", "netbsd"])
+    @expectedFailureNetBSD
+    def test_libraries_svr4_libs_present(self):
+        self.setup_test()
+        self.libraries_svr4_libs_present()
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/tools/lldb-server/libraries-svr4/main.cpp b/gnu/llvm/lldb/packages/Python/lldbsuite/test/tools/lldb-server/libraries-svr4/main.cpp
new file mode 100644
index 00000000000..b62ca71b561
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/tools/lldb-server/libraries-svr4/main.cpp
@@ -0,0 +1,15 @@
+//===-- main.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
+//
+//===----------------------------------------------------------------------===//
+
+int main(int argc, char **argv) {
+  // Perform a null pointer access.
+  int *const null_int_ptr = nullptr;
+  *null_int_ptr = 0xDEAD;
+
+  return 0;
+}
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/tools/lldb-server/libraries-svr4/svr4lib_a.cpp b/gnu/llvm/lldb/packages/Python/lldbsuite/test/tools/lldb-server/libraries-svr4/svr4lib_a.cpp
new file mode 100644
index 00000000000..47d4b979d92
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/tools/lldb-server/libraries-svr4/svr4lib_a.cpp
@@ -0,0 +1,9 @@
+//===-- main.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
+//
+//===----------------------------------------------------------------------===//
+
+int svr4lib_a() { return 42; }
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/tools/lldb-server/libraries-svr4/svr4lib_b_quote.cpp b/gnu/llvm/lldb/packages/Python/lldbsuite/test/tools/lldb-server/libraries-svr4/svr4lib_b_quote.cpp
new file mode 100644
index 00000000000..bd8eb0068e9
--- /dev/null
+++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/tools/lldb-server/libraries-svr4/svr4lib_b_quote.cpp
@@ -0,0 +1,9 @@
+//===-- main.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
+//
+//===----------------------------------------------------------------------===//
+
+int svr4lib_b_quote() { return 42; }