diff options
Diffstat (limited to 'lldb')
| -rw-r--r-- | lldb/source/Plugins/Process/POSIX/RegisterContext_x86_64.cpp | 10 | ||||
| -rw-r--r-- | lldb/test/functionalities/register/TestRegisters.py | 19 |
2 files changed, 27 insertions, 2 deletions
diff --git a/lldb/source/Plugins/Process/POSIX/RegisterContext_x86_64.cpp b/lldb/source/Plugins/Process/POSIX/RegisterContext_x86_64.cpp index 7fc6426d3e8..d26fd5e5ea7 100644 --- a/lldb/source/Plugins/Process/POSIX/RegisterContext_x86_64.cpp +++ b/lldb/source/Plugins/Process/POSIX/RegisterContext_x86_64.cpp @@ -698,7 +698,15 @@ RegisterContext_x86_64::WriteRegister(const lldb_private::RegisterInfo *reg_info switch (reg) { default: - return false; + if (reg_info->encoding != eEncodingVector) + return false; + + if (reg >= fpu_stmm0 && reg <= fpu_stmm7) + ::memcpy (user.i387.stmm[reg - fpu_stmm0].bytes, value.GetBytes(), value.GetByteSize()); + + if (reg >= fpu_xmm0 && reg <= fpu_xmm15) + ::memcpy (user.i387.xmm[reg - fpu_xmm0].bytes, value.GetBytes(), value.GetByteSize()); + break; case fpu_dp: user.i387.dp = value.GetAsUInt64(); break; diff --git a/lldb/test/functionalities/register/TestRegisters.py b/lldb/test/functionalities/register/TestRegisters.py index c34f6722439..52fa9abe908 100644 --- a/lldb/test/functionalities/register/TestRegisters.py +++ b/lldb/test/functionalities/register/TestRegisters.py @@ -91,6 +91,14 @@ class RegisterCommandsTestCase(TestBase): self.expect("register read " + register, substrs = [register + ' = 0x']) + def vector_write_and_read(self, frame, register, new_value): + value = frame.FindValue(register, lldb.eValueTypeRegister) + self.assertTrue(value.IsValid(), "finding a value for register " + register) + + self.runCmd("register write " + register + " \'" + new_value + "\'") + self.expect("register read " + register, + substrs = [register + ' = ', new_value]) + def fp_register_write(self): exe = os.path.join(os.getcwd(), "a.out") @@ -121,7 +129,16 @@ class RegisterCommandsTestCase(TestBase): self.write_and_restore(currentFrame, "mxcsr") self.write_and_restore(currentFrame, "mxcsrmask") - @expectedFailureLinux # bugzilla 14661 - Expressions involving XMM registers fail on Linux + new_value = "{0x01 0x02 0x03 0x00 0x00 0x00 0x00 0x00 0x00 0x00}" + self.vector_write_and_read(currentFrame, "stmm0", new_value) + new_value = "{0x01 0x02 0x03 0x00 0x00 0x00 0x00 0x00 0x09 0x0a}" + self.vector_write_and_read(currentFrame, "stmm7", new_value) + + new_value = "{0x01 0x02 0x03 0x00 0x00 0x00 0x00 0x00 0x09 0x0a 0x2f 0x2f 0x2f 0x2f 0x2f 0x2f}" + self.vector_write_and_read(currentFrame, "xmm0", new_value) + new_value = "{0x01 0x02 0x03 0x00 0x00 0x00 0x00 0x00 0x09 0x0a 0x2f 0x2f 0x2f 0x2f 0x0e 0x0f}" + self.vector_write_and_read(currentFrame, "xmm15", new_value) + def register_expressions(self): """Test expression evaluation with commands related to registers.""" self.common_setup() |
