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| author | Michael Matloob <matloob@golang.org> | 2015-11-11 12:39:30 -0500 |
|---|---|---|
| committer | Michael Matloob <matloob@golang.org> | 2015-11-12 17:04:45 +0000 |
| commit | 432cb66f16b2bb6a167725057168bbe4aefe5fb5 (patch) | |
| tree | 0a6aaf45df2810dc7276212496a4b647ed0bb6d2 /src/runtime/sys_x86.go | |
| parent | b5a0c67fcc2f87b5e2fd04e023f9a0b2f3d759da (diff) | |
| download | go-432cb66f16b2bb6a167725057168bbe4aefe5fb5.tar.gz go-432cb66f16b2bb6a167725057168bbe4aefe5fb5.zip | |
runtime: break out system-specific constants into package sys
runtime/internal/sys will hold system-, architecture- and config-
specific constants.
Updates #11647
Change-Id: I6db29c312556087a42e8d2bdd9af40d157c56b54
Reviewed-on: https://go-review.googlesource.com/16817
Reviewed-by: Russ Cox <rsc@golang.org>
Diffstat (limited to 'src/runtime/sys_x86.go')
| -rw-r--r-- | src/runtime/sys_x86.go | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/runtime/sys_x86.go b/src/runtime/sys_x86.go index 3f0771fe0c..137e706d24 100644 --- a/src/runtime/sys_x86.go +++ b/src/runtime/sys_x86.go @@ -6,17 +6,20 @@ package runtime -import "unsafe" +import ( + "runtime/internal/sys" + "unsafe" +) // adjust Gobuf as it if executed a call to fn with context ctxt // and then did an immediate gosave. func gostartcall(buf *gobuf, fn, ctxt unsafe.Pointer) { sp := buf.sp - if regSize > ptrSize { - sp -= ptrSize + if sys.RegSize > sys.PtrSize { + sp -= sys.PtrSize *(*uintptr)(unsafe.Pointer(sp)) = 0 } - sp -= ptrSize + sp -= sys.PtrSize *(*uintptr)(unsafe.Pointer(sp)) = buf.pc buf.sp = sp buf.pc = uintptr(fn) |