diff options
Diffstat (limited to 'lldb/packages/Python')
3 files changed, 82 insertions, 0 deletions
diff --git a/lldb/packages/Python/lldbsuite/test/commands/register/register/intel_xtended_registers/mpx_offset_intersection/Makefile b/lldb/packages/Python/lldbsuite/test/commands/register/register/intel_xtended_registers/mpx_offset_intersection/Makefile new file mode 100644 index 00000000000..99998b20bcb --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/commands/register/register/intel_xtended_registers/mpx_offset_intersection/Makefile @@ -0,0 +1,3 @@ +CXX_SOURCES := main.cpp + +include Makefile.rules diff --git a/lldb/packages/Python/lldbsuite/test/commands/register/register/intel_xtended_registers/mpx_offset_intersection/TestMPXOffsetIntersection.py b/lldb/packages/Python/lldbsuite/test/commands/register/register/intel_xtended_registers/mpx_offset_intersection/TestMPXOffsetIntersection.py new file mode 100644 index 00000000000..cca16357668 --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/commands/register/register/intel_xtended_registers/mpx_offset_intersection/TestMPXOffsetIntersection.py @@ -0,0 +1,73 @@ +""" +Test Intel(R) MPX registers do not get overwritten by AVX data. +""" + +from __future__ import print_function + + +import lldb +from lldbsuite.test.decorators import * +from lldbsuite.test.lldbtest import * +from lldbsuite.test import lldbutil + + +class MPXOffsetIntersectionTestCase(TestBase): + + mydir = TestBase.compute_mydir(__file__) + + AVX_REGS = ('ymm' + str(i) for i in range(16)) + YMM_VALUE = '{' + ' '.join(('0x00' for _ in range(32))) + '}' + + MPX_REGULAR_REGS = ('bnd0', 'bnd1', 'bnd2', 'bnd3') + MPX_CONFIG_REGS = ('bndcfgu', 'bndstatus') + BND_VALUE = '{' + ' '.join(('0xff' for _ in range(16))) + '}' + + def setUp(self): + TestBase.setUp(self) + + @skipIf(oslist=no_match(['linux'])) + @skipIf(archs=no_match(['x86_64'])) + def test_mpx_registers_offset_intersection(self): + """Test if AVX data does not overwrite MPX values.""" + self.build() + self.mpx_registers_offset_intersection() + + def mpx_registers_offset_intersection(self): + exe = self.getBuildArtifact('a.out') + self.runCmd('file ' + exe, CURRENT_EXECUTABLE_SET) + self.runCmd('run', RUN_SUCCEEDED) + target = self.dbg.GetSelectedTarget() + process = target.GetProcess() + thread = process.GetThreadAtIndex(0) + currentFrame = thread.GetFrameAtIndex(0) + + has_avx = False + has_mpx = False + for registerSet in currentFrame.GetRegisters(): + if 'advanced vector extensions' in registerSet.GetName().lower(): + has_avx = True + if 'memory protection extension' in registerSet.GetName().lower(): + has_mpx = True + if not (has_avx and has_mpx): + self.skipTest('Both AVX and MPX registers must be supported.') + + for reg in self.AVX_REGS: + self.runCmd('register write ' + reg + " '" + self.YMM_VALUE + " '") + for reg in self.MPX_REGULAR_REGS + self.MPX_CONFIG_REGS: + self.runCmd('register write ' + reg + " '" + self.BND_VALUE + " '") + + self.verify_mpx() + self.verify_avx() + self.verify_mpx() + + def verify_mpx(self): + for reg in self.MPX_REGULAR_REGS: + self.expect('register read ' + reg, + substrs = [reg + ' = {0xffffffffffffffff 0xffffffffffffffff}']) + for reg in self.MPX_CONFIG_REGS: + self.expect('register read ' + reg, + substrs = [reg + ' = {0xff 0xff 0xff 0xff 0xff 0xff 0xff 0xff}']) + + def verify_avx(self): + for reg in self.AVX_REGS: + self.expect('register read ' + reg, substrs = [reg + ' = ' + self.YMM_VALUE]) diff --git a/lldb/packages/Python/lldbsuite/test/commands/register/register/intel_xtended_registers/mpx_offset_intersection/main.cpp b/lldb/packages/Python/lldbsuite/test/commands/register/register/intel_xtended_registers/mpx_offset_intersection/main.cpp new file mode 100644 index 00000000000..0285cfdaad0 --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/commands/register/register/intel_xtended_registers/mpx_offset_intersection/main.cpp @@ -0,0 +1,6 @@ +#include <cstdint> + +int main() { + asm volatile("int3"); + return 0; +} |
