def _gen_x86_xstate(self, pid, tid):
"""
Generate NT_X86_XSTATE note for thread tid of process pid.
"""
core = self.cores[tid]
fpregs = core["thread_info"]["fpregs"]
data = elf.elf_xsave_struct()
ctypes.memset(ctypes.addressof(data), 0, ctypes.sizeof(data))
data.i387.cwd = fpregs["cwd"]
data.i387.swd = fpregs["swd"]
data.i387.twd = fpregs["twd"]
data.i387.fop = fpregs["fop"]
data.i387.rip = fpregs["rip"]
data.i387.rdp = fpregs["rdp"]
data.i387.mxcsr = fpregs["mxcsr"]
data.i387.mxcsr_mask = fpregs["mxcsr_mask"]
data.i387.st_space = (ctypes.c_uint *
len(fpregs["st_space"]))(*fpregs["st_space"])
data.i387.xmm_space = (ctypes.c_uint *
len(fpregs["xmm_space"]))(*fpregs["xmm_space"])
if "xsave" in fpregs:
data.xsave_hdr.xstate_bv = fpregs["xsave"]["xstate_bv"]
data.ymmh.ymmh_space = (ctypes.c_uint *
len(fpregs["xsave"]["ymmh_space"]))(
*fpregs["xsave"]["ymmh_space"])
nhdr = elf.Elf64_Nhdr()
nhdr.n_namesz = 6
nhdr.n_descsz = ctypes.sizeof(data)
nhdr.n_type = elf.NT_X86_XSTATE
note = elf_note()
note.data = data
note.owner = "LINUX"
note.nhdr = nhdr
return note
def _gen_x86_xstate(self, pid, tid): """ Generate NT_X86_XSTATE note for thread tid of process pid. """ core = self.cores[tid] fpregs = core["thread_info"]["fpregs"] data = elf.elf_xsave_struct() ctypes.memset(ctypes.addressof(data), 0, ctypes.sizeof(data)) data.i387.cwd = fpregs["cwd"] data.i387.swd = fpregs["swd"] data.i387.twd = fpregs["twd"] data.i387.fop = fpregs["fop"] data.i387.rip = fpregs["rip"] data.i387.rdp = fpregs["rdp"] data.i387.mxcsr = fpregs["mxcsr"] data.i387.mxcsr_mask = fpregs["mxcsr_mask"] data.i387.st_space = (ctypes.c_uint * len(fpregs["st_space"]))(*fpregs["st_space"]) data.i387.xmm_space = (ctypes.c_uint * len(fpregs["xmm_space"]))(*fpregs["xmm_space"]) if "xsave" in fpregs: data.xsave_hdr.xstate_bv = fpregs["xsave"]["xstate_bv"] data.ymmh.ymmh_space = (ctypes.c_uint * len(fpregs["xsave"]["ymmh_space"]))(*fpregs["xsave"]["ymmh_space"]) nhdr = elf.Elf64_Nhdr() nhdr.n_namesz = 6 nhdr.n_descsz = ctypes.sizeof(data) nhdr.n_type = elf.NT_X86_XSTATE note = elf_note() note.data = data note.owner = "LINUX" note.nhdr = nhdr return note