runtime: scan register backing store on ia64
commit3d3821cb4fe90e591a43ff135b86d3d9116cbb64
authorian <ian@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 2 Feb 2018 00:16:43 +0000 (2 00:16 +0000)
committerian <ian@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 2 Feb 2018 00:16:43 +0000 (2 00:16 +0000)
tree13c1ddb95c4048060b536abd200b8e24d0b2d066
parentb67162d48964a9802014a847225169e865ca04a0
runtime: scan register backing store on ia64

    On ia64, a separate stack is used for saving/restoring register frames,
    occupying the other end of the stack mapping. This must also be scanned
    for pointers into the heap.

    Reviewed-on: https://go-review.googlesource.com/85276

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@257323 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/go/gofrontend/MERGE
libgo/go/runtime/runtime2.go
libgo/runtime/proc.c
libgo/runtime/runtime.h
libgo/runtime/stack.c