_REG_R8
uc.uc_mcontext.__gregs[_REG_R8] = jb->jb_regs[2];
gr[_REG_R8] = tf->tf_reg[8];
tf->tf_reg[8] = gr[_REG_R8];
mcp->__gregs[_REG_R8] = tf->tf_r8;
tf->tf_r8 = gr[_REG_R8];
regs[_REG_R8] = tf->tf_r8;
tf->tf_r8 = regs[_REG_R8];
gr[_REG_R8] = tf->tf_r8;
tf->tf_r8 = gr[_REG_R8];
gr[_REG_R8] = tf->tf_r8;
tf->tf_r8 = gr[_REG_R8];
gdb_regs[ 8] = gregs[_REG_R8];
gregs[_REG_R8 ] = gdb_regs[ 8];
gr[_REG_R8] = tf->tf_r8;
tf->tf_r8 = gr[_REG_R8];
mctx->__gregs[_REG_R8] = lsigctx->r8;
gr[_REG_R8] = luc->luc_mcontext.arm_r8;
luc->luc_mcontext.arm_r8 = gr[_REG_R8];
DPRINTF("R8=%#" PRIxREGISTER "\n", r.regs[_REG_R8]);
ATF_CHECK_EQ((uint64_t)gpr.regs[_REG_R8],
gpr.regs[_REG_R8] = expected[0].u64;