diff options
| author | Michael Hudson-Doyle <michael.hudson@canonical.com> | 2015-10-08 21:52:03 +1300 |
|---|---|---|
| committer | Michael Hudson-Doyle <michael.hudson@canonical.com> | 2015-10-18 22:14:00 +0000 |
| commit | a4855812e259f91914328659a37dc3a2582da7ba (patch) | |
| tree | 69e99faa7dca898b98258f8307e09e202cdb85d3 /src/runtime/stack.go | |
| parent | 45c06b27a44a65c219a7445278b129c868332a6c (diff) | |
| download | go-a4855812e259f91914328659a37dc3a2582da7ba.tar.xz | |
runtime: add a constant for the smallest possible stack frame
Shared libraries on ppc64le will require a larger minimum stack frame (because
the ABI mandates that the TOC pointer is available at 24(R1)). So to prepare
for this, make a constant for the fixed part of a stack and use that where
necessary.
Change-Id: I447949f4d725003bb82e7d2cf7991c1bca5aa887
Reviewed-on: https://go-review.googlesource.com/15523
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Michael Hudson-Doyle <michael.hudson@canonical.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Diffstat (limited to 'src/runtime/stack.go')
| -rw-r--r-- | src/runtime/stack.go | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/src/runtime/stack.go b/src/runtime/stack.go index 24d37271b4..1809a4d9ac 100644 --- a/src/runtime/stack.go +++ b/src/runtime/stack.go @@ -578,12 +578,10 @@ func adjustframe(frame *stkframe, arg unsafe.Pointer) bool { size := frame.varp - frame.sp var minsize uintptr switch thechar { - case '6', '8': - minsize = 0 case '7': minsize = spAlign default: - minsize = ptrSize + minsize = minFrameSize } if size > minsize { var bv bitvector |