From 78b9749c0a4ea980a8b934645da6ae98fcc665e8 Mon Sep 17 00:00:00 2001 From: dim Date: Wed, 6 Jan 2016 20:12:03 +0000 Subject: Vendor import of lldb trunk r256945: https://llvm.org/svn/llvm-project/lldb/trunk@256945 --- .../lldbsuite/test/python_api/sbdata/TestSBData.py | 348 +++++++++++++++++++++ 1 file changed, 348 insertions(+) create mode 100644 packages/Python/lldbsuite/test/python_api/sbdata/TestSBData.py (limited to 'packages/Python/lldbsuite/test/python_api/sbdata/TestSBData.py') diff --git a/packages/Python/lldbsuite/test/python_api/sbdata/TestSBData.py b/packages/Python/lldbsuite/test/python_api/sbdata/TestSBData.py new file mode 100644 index 0000000..2ff516e --- /dev/null +++ b/packages/Python/lldbsuite/test/python_api/sbdata/TestSBData.py @@ -0,0 +1,348 @@ +"""Test the SBData APIs.""" + +from __future__ import print_function + + + +import os +import lldb +from lldbsuite.test.lldbtest import * +from math import fabs +import lldbsuite.test.lldbutil as lldbutil + +class SBDataAPICase(TestBase): + + mydir = TestBase.compute_mydir(__file__) + + def setUp(self): + # Call super's setUp(). + TestBase.setUp(self) + # Find the line number to break on inside main.cpp. + self.line = line_number('main.cpp', '// set breakpoint here') + + @add_test_categories(['pyapi']) + def test_with_run_command(self): + """Test the SBData APIs.""" + self.build() + self.runCmd("file a.out", CURRENT_EXECUTABLE_SET) + + lldbutil.run_break_set_by_file_and_line (self, "main.cpp", 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']) + + target = self.dbg.GetSelectedTarget() + + process = target.GetProcess() + + thread = process.GetThreadAtIndex(0) + + frame = thread.GetSelectedFrame() + if self.TraceOn(): + print(frame) + foobar = frame.FindVariable('foobar') + self.assertTrue(foobar.IsValid()) + if self.TraceOn(): + print(foobar) + + data = foobar.GetPointeeData(0, 2) + + if self.TraceOn(): + print(data) + + offset = 0 + error = lldb.SBError() + + self.assert_data(data.GetUnsignedInt32, offset, 1) + offset += 4 + low = data.GetSignedInt16(error, offset) + self.assertTrue(error.Success()) + offset += 2 + high = data.GetSignedInt16(error, offset) + self.assertTrue(error.Success()) + offset += 2 + self.assertTrue ((low == 9 and high == 0) or (low == 0 and high == 9), 'foo[0].b == 9') + self.assertTrue( fabs(data.GetFloat(error, offset) - 3.14) < 1, 'foo[0].c == 3.14') + self.assertTrue(error.Success()) + offset += 4 + self.assert_data(data.GetUnsignedInt32, offset, 8) + offset += 4 + self.assert_data(data.GetUnsignedInt32, offset, 5) + offset += 4 + + self.runCmd("n") + + offset = 16 + + self.assert_data(data.GetUnsignedInt32, offset, 5) + + data = foobar.GetPointeeData(1, 1) + + offset = 0 + + self.assert_data(data.GetSignedInt32, offset, 8) + offset += 4 + self.assert_data(data.GetSignedInt32, offset, 7) + offset += 8 + self.assertTrue(data.GetUnsignedInt32(error, offset) == 0, 'do not read beyond end') + self.assertTrue(not error.Success()) + error.Clear() # clear the error for the next test + + star_foobar = foobar.Dereference() + self.assertTrue(star_foobar.IsValid()) + + data = star_foobar.GetData() + + if self.TraceOn(): + print(data) + + offset = 0 + self.assert_data(data.GetUnsignedInt32, offset, 1) + offset += 4 + self.assert_data(data.GetUnsignedInt32, offset, 9) + + foobar_addr = star_foobar.GetLoadAddress() + foobar_addr += 12 + + # http://llvm.org/bugs/show_bug.cgi?id=11579 + # lldb::SBValue::CreateValueFromAddress does not verify SBType::GetPointerType succeeds + # This should not crash LLDB. + nothing = foobar.CreateValueFromAddress("nothing", foobar_addr, star_foobar.GetType().GetBasicType(lldb.eBasicTypeInvalid)) + + new_foobar = foobar.CreateValueFromAddress("f00", foobar_addr, star_foobar.GetType()) + self.assertTrue(new_foobar.IsValid()) + if self.TraceOn(): + print(new_foobar) + + data = new_foobar.GetData() + + if self.TraceOn(): + print(data) + + self.assertTrue(data.uint32[0] == 8, 'then foo[1].a == 8') + self.assertTrue(data.uint32[1] == 7, 'then foo[1].b == 7') + self.assertTrue(fabs(data.float[2] - 3.14) < 1, 'foo[1].c == 3.14') # exploiting that sizeof(uint32) == sizeof(float) + + self.runCmd("n") + + offset = 0 + self.assert_data(data.GetUnsignedInt32, offset, 8) + offset += 4 + self.assert_data(data.GetUnsignedInt32, offset, 7) + offset += 4 + self.assertTrue(fabs(data.GetFloat(error, offset) - 3.14) < 1, 'foo[1].c == 3.14') + self.assertTrue(error.Success()) + + data = new_foobar.GetData() + + if self.TraceOn(): + print(data) + + offset = 0 + self.assert_data(data.GetUnsignedInt32, offset, 8) + offset += 4 + self.assert_data(data.GetUnsignedInt32, offset, 7) + offset += 4 + self.assertTrue(fabs(data.GetFloat(error, offset) - 6.28) < 1, 'foo[1].c == 6.28') + self.assertTrue(error.Success()) + + self.runCmd("n") + + barfoo = frame.FindVariable('barfoo') + + data = barfoo.GetData() + + if self.TraceOn(): + print(barfoo) + + if self.TraceOn(): + print(data) + + offset = 0 + self.assert_data(data.GetUnsignedInt32, offset, 1) + offset += 4 + self.assert_data(data.GetUnsignedInt32, offset, 2) + offset += 4 + self.assertTrue(fabs(data.GetFloat(error, offset) - 3) < 1, 'barfoo[0].c == 3') + self.assertTrue(error.Success()) + offset += 4 + self.assert_data(data.GetUnsignedInt32, offset, 4) + offset += 4 + self.assert_data(data.GetUnsignedInt32, offset, 5) + offset += 4 + self.assertTrue(fabs(data.GetFloat(error, offset) - 6) < 1, 'barfoo[1].c == 6') + self.assertTrue(error.Success()) + + new_object = barfoo.CreateValueFromData("new_object",data,barfoo.GetType().GetBasicType(lldb.eBasicTypeInt)) + + if self.TraceOn(): + print(new_object) + + self.assertTrue(new_object.GetValue() == "1", 'new_object == 1') + + data.SetData(error, 'A\0\0\0', data.GetByteOrder(), data.GetAddressByteSize()) + self.assertTrue(error.Success()) + + data2 = lldb.SBData() + data2.SetData(error, 'BCD', data.GetByteOrder(), data.GetAddressByteSize()) + self.assertTrue(error.Success()) + + data.Append(data2) + + if self.TraceOn(): + print(data) + + # this breaks on EBCDIC + offset = 0 + self.assert_data(data.GetUnsignedInt32, offset, 65) + offset += 4 + self.assert_data(data.GetUnsignedInt8, offset, 66) + offset += 1 + self.assert_data(data.GetUnsignedInt8, offset, 67) + offset += 1 + self.assert_data(data.GetUnsignedInt8, offset, 68) + offset += 1 + + # check the new API calls introduced per LLVM llvm.org/prenhancement request + # 11619 (Allow creating SBData values from arrays or primitives in Python) + + hello_str = "hello!" + data2 = lldb.SBData.CreateDataFromCString(process.GetByteOrder(),process.GetAddressByteSize(),hello_str) + self.assertTrue(len(data2.uint8) == len(hello_str)) + self.assertTrue(data2.uint8[0] == 104, 'h == 104') + self.assertTrue(data2.uint8[1] == 101, 'e == 101') + self.assertTrue(data2.uint8[2] == 108, 'l == 108') + self.assert_data(data2.GetUnsignedInt8, 3, 108) # l + self.assertTrue(data2.uint8[4] == 111, 'o == 111') + self.assert_data(data2.GetUnsignedInt8, 5, 33) # ! + + uint_lists = [ [1,2,3,4,5], [int(i) for i in [1, 2, 3, 4, 5]] ] + int_lists = [ [2, -2], [int(i) for i in [2, -2]] ] + + for l in uint_lists: + data2 = lldb.SBData.CreateDataFromUInt64Array(process.GetByteOrder(), process.GetAddressByteSize(), l) + self.assert_data(data2.GetUnsignedInt64, 0, 1) + self.assert_data(data2.GetUnsignedInt64, 8, 2) + self.assert_data(data2.GetUnsignedInt64, 16, 3) + self.assert_data(data2.GetUnsignedInt64, 24, 4) + self.assert_data(data2.GetUnsignedInt64, 32, 5) + + self.assertTrue(data2.uint64s == [1,2,3,4,5], 'read_data_helper failure: data2 == [1,2,3,4,5]') + + for l in int_lists: + data2 = lldb.SBData.CreateDataFromSInt32Array(process.GetByteOrder(), process.GetAddressByteSize(), l) + self.assertTrue(data2.sint32[0:2] == [2,-2], 'signed32 data2 = [2,-2]') + + data2.Append(lldb.SBData.CreateDataFromSInt64Array(process.GetByteOrder(), process.GetAddressByteSize(), int_lists[0])) + self.assert_data(data2.GetSignedInt32, 0, 2) + self.assert_data(data2.GetSignedInt32, 4, -2) + self.assertTrue(data2.sint64[1:3] == [2,-2], 'signed64 data2 = [2,-2]') + + for l in int_lists: + data2 = lldb.SBData.CreateDataFromSInt64Array(process.GetByteOrder(), process.GetAddressByteSize(), l) + self.assert_data(data2.GetSignedInt64, 0, 2) + self.assert_data(data2.GetSignedInt64, 8, -2) + self.assertTrue(data2.sint64[0:2] == [2,-2], 'signed64 data2 = [2,-2]') + + for l in uint_lists: + data2 = lldb.SBData.CreateDataFromUInt32Array(process.GetByteOrder(), process.GetAddressByteSize(), l) + self.assert_data(data2.GetUnsignedInt32,0, 1) + self.assert_data(data2.GetUnsignedInt32,4, 2) + self.assert_data(data2.GetUnsignedInt32,8, 3) + self.assert_data(data2.GetUnsignedInt32,12, 4) + self.assert_data(data2.GetUnsignedInt32,16, 5) + + bool_list = [True, True, False, False, True, False] + + data2 = lldb.SBData.CreateDataFromSInt32Array(process.GetByteOrder(), process.GetAddressByteSize(), bool_list) + self.assertTrue(data2.sint32[0:6] == [1, 1, 0, 0, 1, 0], 'signed32 data2 = [1, 1, 0, 0, 1, 0]') + + data2 = lldb.SBData.CreateDataFromUInt32Array(process.GetByteOrder(), process.GetAddressByteSize(), bool_list) + self.assertTrue(data2.uint32[0:6] == [1, 1, 0, 0, 1, 0], 'unsigned32 data2 = [1, 1, 0, 0, 1, 0]') + + data2 = lldb.SBData.CreateDataFromSInt64Array(process.GetByteOrder(), process.GetAddressByteSize(), bool_list) + self.assertTrue(data2.sint64[0:6] == [1, 1, 0, 0, 1, 0], 'signed64 data2 = [1, 1, 0, 0, 1, 0]') + + data2 = lldb.SBData.CreateDataFromUInt64Array(process.GetByteOrder(), process.GetAddressByteSize(), bool_list) + self.assertTrue(data2.uint64[0:6] == [1, 1, 0, 0, 1, 0], 'signed64 data2 = [1, 1, 0, 0, 1, 0]') + + data2 = lldb.SBData.CreateDataFromDoubleArray(process.GetByteOrder(),process.GetAddressByteSize(),[3.14,6.28,2.71]) + self.assertTrue( fabs(data2.GetDouble(error,0) - 3.14) < 0.5, 'double data2[0] = 3.14') + self.assertTrue(error.Success()) + self.assertTrue( fabs(data2.GetDouble(error,8) - 6.28) < 0.5, 'double data2[1] = 6.28') + self.assertTrue(error.Success()) + self.assertTrue( fabs(data2.GetDouble(error,16) - 2.71) < 0.5, 'double data2[2] = 2.71') + self.assertTrue(error.Success()) + + data2 = lldb.SBData() + + data2.SetDataFromCString(hello_str) + self.assertTrue(len(data2.uint8) == len(hello_str)) + self.assert_data(data2.GetUnsignedInt8, 0, 104) + self.assert_data(data2.GetUnsignedInt8, 1, 101) + self.assert_data(data2.GetUnsignedInt8, 2, 108) + self.assert_data(data2.GetUnsignedInt8, 3, 108) + self.assert_data(data2.GetUnsignedInt8, 4, 111) + self.assert_data(data2.GetUnsignedInt8, 5, 33) + + data2.SetDataFromUInt64Array([1,2,3,4,5]) + self.assert_data(data2.GetUnsignedInt64, 0, 1) + self.assert_data(data2.GetUnsignedInt64, 8, 2) + self.assert_data(data2.GetUnsignedInt64, 16, 3) + self.assert_data(data2.GetUnsignedInt64, 24, 4) + self.assert_data(data2.GetUnsignedInt64, 32, 5) + + self.assertTrue(data2.uint64[0] == 1, 'read_data_helper failure: set data2[0] = 1') + self.assertTrue(data2.uint64[1] == 2, 'read_data_helper failure: set data2[1] = 2') + self.assertTrue(data2.uint64[2] == 3, 'read_data_helper failure: set data2[2] = 3') + self.assertTrue(data2.uint64[3] == 4, 'read_data_helper failure: set data2[3] = 4') + self.assertTrue(data2.uint64[4] == 5, 'read_data_helper failure: set data2[4] = 5') + + self.assertTrue(data2.uint64[0:2] == [1,2], 'read_data_helper failure: set data2[0:2] = [1,2]') + + data2.SetDataFromSInt32Array([2, -2]) + self.assert_data(data2.GetSignedInt32, 0, 2) + self.assert_data(data2.GetSignedInt32, 4, -2) + + data2.SetDataFromSInt64Array([2, -2]) + self.assert_data(data2.GetSignedInt32, 0, 2) + self.assert_data(data2.GetSignedInt32, 8, -2) + + data2.SetDataFromUInt32Array([1,2,3,4,5]) + self.assert_data(data2.GetUnsignedInt32, 0, 1) + self.assert_data(data2.GetUnsignedInt32, 4, 2) + self.assert_data(data2.GetUnsignedInt32, 8, 3) + self.assert_data(data2.GetUnsignedInt32, 12, 4) + self.assert_data(data2.GetUnsignedInt32, 16, 5) + + self.assertTrue(data2.uint32[0] == 1, 'read_data_helper failure: set 32-bit data2[0] = 1') + self.assertTrue(data2.uint32[1] == 2, 'read_data_helper failure: set 32-bit data2[1] = 2') + self.assertTrue(data2.uint32[2] == 3, 'read_data_helper failure: set 32-bit data2[2] = 3') + self.assertTrue(data2.uint32[3] == 4, 'read_data_helper failure: set 32-bit data2[3] = 4') + self.assertTrue(data2.uint32[4] == 5, 'read_data_helper failure: set 32-bit data2[4] = 5') + + data2.SetDataFromDoubleArray([3.14,6.28,2.71]) + self.assertTrue( fabs(data2.GetDouble(error,0) - 3.14) < 0.5, 'set double data2[0] = 3.14') + self.assertTrue( fabs(data2.GetDouble(error,8) - 6.28) < 0.5, 'set double data2[1] = 6.28') + self.assertTrue( fabs(data2.GetDouble(error,16) - 2.71) < 0.5, 'set double data2[2] = 2.71') + + self.assertTrue( fabs(data2.double[0] - 3.14) < 0.5, 'read_data_helper failure: set double data2[0] = 3.14') + self.assertTrue( fabs(data2.double[1] - 6.28) < 0.5, 'read_data_helper failure: set double data2[1] = 6.28') + self.assertTrue( fabs(data2.double[2] - 2.71) < 0.5, 'read_data_helper failure: set double data2[2] = 2.71') + + def assert_data(self, func, arg, expected): + """ Asserts func(SBError error, arg) == expected. """ + error = lldb.SBError() + result = func(error, arg) + if not error.Success(): + stream = lldb.SBStream() + error.GetDescription(stream) + self.assertTrue(error.Success(), + "%s(error, %s) did not succeed: %s" % (func.__name__, + arg, + stream.GetData())) + self.assertTrue(expected == result, "%s(error, %s) == %s != %s" % (func.__name__, arg, result, expected)) -- cgit v1.1