c3d1728583
Directly save data into stack without properly adjustment of stack point is dangous. For example, if a signal comes, kernel will put sigframe into userspace's stack, which will overwrite the saved data if sp is not adjusted properly. Bug: 15195265 Change-Id: Iea0cadfd3b94d50cf40252ad52fe5950811b9192 Signed-off-by: Jiangli Yuan <a6808c@motorola.com>