Update to use the common macros to ensure all ELFv2 callee-save registers
are saved properly when transitioning from ELFv2 to Go calling/stack
conventions. Simplify the inlined Go function call, and remove the asm
hacks which inhibited implicit stack frame management.
Change-Id: Iee118a4069962a791436c6fe19370e1929404a8d
Reviewed-on: https://go-review.googlesource.com/c/go/+/479795 Reviewed-by: Michael Knyszek <mknyszek@google.com> Reviewed-by: David Chase <drchase@google.com>
Run-TryBot: Paul Murphy <murp@ibm.com> Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com>
TryBot-Result: Gopher Robot <gobot@golang.org>