Stowage/go
2
0
Fork 0
mirror of https://github.com/golang/go.git synced 2025-12-08 06:10:04 +00:00
Code Issues Projects Releases Packages Wiki Activity

runtime: remove g.stackAlloc

Browse source 
Since we're no longer stealing space for the stack barrier array from
the stack allocation, the stack allocation is simply
g.stack.hi-g.stack.lo.

Updates #17503.

Change-Id: Id9b450ae12c3df9ec59cfc4365481a0a16b7c601
Reviewed-on: https://go-review.googlesource.com/36621
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rick Hudson <rlh@golang.org>
This commit is contained in:
Austin Clements 2017-02-09 14:11:13 -05:00
parent d089a6c718
commit 0993b2fd06
4 changed files with 13 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/runtime/signal_unix.go
View file

@ -712,7 +712,6 @@ type gsignalStack struct {
stack stack
stackguard0 uintptr
stackguard1 uintptr
stackAlloc uintptr
stktopsp uintptr
}
@ -729,7 +728,6 @@ func setGsignalStack(st *stackt, old *gsignalStack) {
old.stack = g.m.gsignal.stack
old.stackguard0 = g.m.gsignal.stackguard0
old.stackguard1 = g.m.gsignal.stackguard1
old.stackAlloc = g.m.gsignal.stackAlloc
old.stktopsp = g.m.gsignal.stktopsp
}
stsp := uintptr(unsafe.Pointer(st.ss_sp))
@ -737,7 +735,6 @@ func setGsignalStack(st *stackt, old *gsignalStack) {
g.m.gsignal.stack.hi = stsp + st.ss_size
g.m.gsignal.stackguard0 = stsp + _StackGuard
g.m.gsignal.stackguard1 = stsp + _StackGuard
g.m.gsignal.stackAlloc = st.ss_size
}
// restoreGsignalStack restores the gsignal stack to the value it had
@ -749,7 +746,6 @@ func restoreGsignalStack(st *gsignalStack) {
gp.stack = st.stack
gp.stackguard0 = st.stackguard0
gp.stackguard1 = st.stackguard1
gp.stackAlloc = st.stackAlloc
gp.stktopsp = st.stktopsp
}