_REG_EFL
__asm ("pushfl; popl %0" : "=a" (ucp->uc_mcontext.__gregs[_REG_EFL]));
gr[_REG_EFL] = tf->tf_eflags;
if (((gr[_REG_EFL] ^ tf->tf_eflags) & PSL_USERSTATIC) ||
tf->tf_eflags |= (gr[_REG_EFL] & PSL_USER);
#define _UC_MACHINE_EFLAGS(uc) ((uc)->uc_mcontext.__gregs[_REG_EFL])
gdb_regs[ 9] = gregs[_REG_EFL];
gregs[_REG_EFL] = gdb_regs[ 9];
uc->uc_mcontext.__gregs[_REG_EFL] |= PSL_IOPL;