458 lines
17 KiB
Python
458 lines
17 KiB
Python
"""Test the SBData APIs."""
|
|
|
|
|
|
from math import fabs
|
|
import lldb
|
|
from lldbsuite.test.decorators import *
|
|
from lldbsuite.test.lldbtest import *
|
|
from lldbsuite.test import lldbutil
|
|
|
|
|
|
class SBDataAPICase(TestBase):
|
|
NO_DEBUG_INFO_TESTCASE = True
|
|
|
|
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")
|
|
|
|
def test_byte_order_and_address_byte_size(self):
|
|
"""Test the SBData::SetData() to ensure the byte order and address
|
|
byte size are obeyed"""
|
|
addr_data = b"\x11\x22\x33\x44\x55\x66\x77\x88"
|
|
error = lldb.SBError()
|
|
data = lldb.SBData()
|
|
data.SetData(error, addr_data, lldb.eByteOrderBig, 4)
|
|
addr = data.GetAddress(error, 0)
|
|
self.assertEqual(addr, 0x11223344)
|
|
data.SetData(error, addr_data, lldb.eByteOrderBig, 8)
|
|
addr = data.GetAddress(error, 0)
|
|
self.assertEqual(addr, 0x1122334455667788)
|
|
data.SetData(error, addr_data, lldb.eByteOrderLittle, 4)
|
|
addr = data.GetAddress(error, 0)
|
|
self.assertEqual(addr, 0x44332211)
|
|
data.SetData(error, addr_data, lldb.eByteOrderLittle, 8)
|
|
addr = data.GetAddress(error, 0)
|
|
self.assertEqual(addr, 0x8877665544332211)
|
|
|
|
def test_byte_order_and_address_byte_size_with_ownership(self):
|
|
"""Test the SBData::SetDataWithOwnership() to ensure the byte order
|
|
and address byte size are obeyed even when source date is released"""
|
|
addr_data = b"\x11\x22\x33\x44\x55\x66\x77\x88"
|
|
error = lldb.SBError()
|
|
data = lldb.SBData()
|
|
data.SetDataWithOwnership(error, addr_data, lldb.eByteOrderBig, 8)
|
|
del addr_data
|
|
addr = data.GetAddress(error, 0)
|
|
self.assertEqual(addr, 0x1122334455667788)
|
|
|
|
def test_with_run_command(self):
|
|
"""Test the SBData APIs."""
|
|
self.build()
|
|
self.runCmd("file " + self.getBuildArtifact("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 = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
|
|
self.assertIsNotNone(thread)
|
|
|
|
frame = thread.GetSelectedFrame()
|
|
foobar = frame.FindVariable("foobar")
|
|
self.assertTrue(foobar.IsValid())
|
|
data = foobar.GetPointeeData(0, 2)
|
|
offset = 0
|
|
error = lldb.SBError()
|
|
|
|
self.assert_data(data.GetUnsignedInt32, offset, 1)
|
|
offset += 4
|
|
low = data.GetSignedInt16(error, offset)
|
|
self.assertSuccess(error)
|
|
offset += 2
|
|
high = data.GetSignedInt16(error, offset)
|
|
self.assertSuccess(error)
|
|
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.assertSuccess(error)
|
|
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.assertEqual(
|
|
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()
|
|
|
|
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())
|
|
data = new_foobar.GetData()
|
|
|
|
self.assertEqual(data.uint32[0], 8, "then foo[1].a == 8")
|
|
self.assertEqual(data.uint32[1], 7, "then foo[1].b == 7")
|
|
# exploiting that sizeof(uint32) == sizeof(float)
|
|
self.assertTrue(fabs(data.float[2] - 3.14) < 1, "foo[1].c == 3.14")
|
|
|
|
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.assertSuccess(error)
|
|
|
|
data = new_foobar.GetData()
|
|
|
|
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.assertSuccess(error)
|
|
|
|
self.runCmd("n")
|
|
|
|
barfoo = frame.FindVariable("barfoo")
|
|
|
|
data = barfoo.GetData()
|
|
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.assertSuccess(error)
|
|
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.assertSuccess(error)
|
|
|
|
new_object = barfoo.CreateValueFromData(
|
|
"new_object", data, barfoo.GetType().GetBasicType(lldb.eBasicTypeInt)
|
|
)
|
|
self.assertEqual(new_object.GetValue(), "1", "new_object == 1")
|
|
|
|
if data.GetByteOrder() == lldb.eByteOrderBig:
|
|
data.SetData(
|
|
error, "\0\0\0A", data.GetByteOrder(), data.GetAddressByteSize()
|
|
)
|
|
else:
|
|
data.SetData(
|
|
error, "A\0\0\0", data.GetByteOrder(), data.GetAddressByteSize()
|
|
)
|
|
self.assertSuccess(error)
|
|
|
|
data2 = lldb.SBData()
|
|
data2.SetData(error, "BCD", data.GetByteOrder(), data.GetAddressByteSize())
|
|
self.assertSuccess(error)
|
|
|
|
data.Append(data2)
|
|
|
|
# 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.assertEqual(len(data2.uint8), len(hello_str))
|
|
self.assertEqual(data2.uint8[0], 104, "h == 104")
|
|
self.assertEqual(data2.uint8[1], 101, "e == 101")
|
|
self.assertEqual(data2.uint8[2], 108, "l == 108")
|
|
self.assert_data(data2.GetUnsignedInt8, 3, 108) # l
|
|
self.assertEqual(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.assertEqual(
|
|
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.assertEqual(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.assertEqual(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.assertEqual(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.assertEqual(
|
|
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.assertEqual(
|
|
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.assertEqual(
|
|
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.assertEqual(
|
|
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.assertSuccess(error)
|
|
self.assertTrue(
|
|
fabs(data2.GetDouble(error, 8) - 6.28) < 0.5, "double data2[1] = 6.28"
|
|
)
|
|
self.assertSuccess(error)
|
|
self.assertTrue(
|
|
fabs(data2.GetDouble(error, 16) - 2.71) < 0.5, "double data2[2] = 2.71"
|
|
)
|
|
self.assertSuccess(error)
|
|
|
|
data2 = lldb.SBData()
|
|
|
|
data2.SetDataFromCString(hello_str)
|
|
self.assertEqual(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, 2**63])
|
|
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.assert_data(data2.GetUnsignedInt64, 40, 2**63)
|
|
|
|
self.assertEqual(
|
|
data2.uint64[0], 1, "read_data_helper failure: set data2[0] = 1"
|
|
)
|
|
self.assertEqual(
|
|
data2.uint64[1], 2, "read_data_helper failure: set data2[1] = 2"
|
|
)
|
|
self.assertEqual(
|
|
data2.uint64[2], 3, "read_data_helper failure: set data2[2] = 3"
|
|
)
|
|
self.assertEqual(
|
|
data2.uint64[3], 4, "read_data_helper failure: set data2[3] = 4"
|
|
)
|
|
self.assertEqual(
|
|
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.GetSignedInt64, 0, 2)
|
|
self.assert_data(data2.GetSignedInt64, 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.assertEqual(
|
|
data2.uint32[0], 1, "read_data_helper failure: set 32-bit data2[0] = 1"
|
|
)
|
|
self.assertEqual(
|
|
data2.uint32[1], 2, "read_data_helper failure: set 32-bit data2[1] = 2"
|
|
)
|
|
self.assertEqual(
|
|
data2.uint32[2], 3, "read_data_helper failure: set 32-bit data2[2] = 3"
|
|
)
|
|
self.assertEqual(
|
|
data2.uint32[3], 4, "read_data_helper failure: set 32-bit data2[3] = 4"
|
|
)
|
|
self.assertEqual(
|
|
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),
|
|
)
|