File: openbsd_struct.py

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from ctypes import Structure, c_int, c_uint, c_ulong, c_void_p, c_char

PIOD_READ_D = 1
PIOD_WRITE_D = 2
PIOD_READ_I = 3
PIOD_WRITE_I = 4

size_t = c_ulong
pid_t = c_int

# /usr/include/machine/reg.h


class reg(Structure):
    _fields_ = (
        ("eax", c_uint),
        ("ecx", c_uint),
        ("edx", c_uint),
        ("ebx", c_uint),
        ("esp", c_uint),
        ("ebp", c_uint),
        ("esi", c_uint),
        ("edi", c_uint),
        ("eip", c_uint),
        ("eflags", c_uint),
        ("cs", c_uint),
        ("ss", c_uint),
        ("ds", c_uint),
        ("es", c_uint),
        ("fs", c_uint),
        ("gs", c_uint),
    )


class fpreg(Structure):
    _fields_ = (
        ("__data", c_char * 116),
    )


class ptrace_io_desc(Structure):
    _fields_ = (
        ("piod_op", c_int),
        ("piod_offs", c_void_p),
        ("piod_addr", c_void_p),
        ("piod_len", size_t),
    )