runtime: on arm32, detect whether we have sync instructions

[gostls13.git] / src / runtime / os_linux.go

diff --git a/src/runtime/os_linux.go b/src/runtime/os_linux.go
index 26b5ecd1f0586fc4b9902e36eb2bea0d64785297..4319a99c7d34d53b1910f5eb9d9acac1ab7abce8 100644 (file)
--- a/src/runtime/os_linux.go
+++ b/src/runtime/os_linux.go
@@ -213,12 +213,13 @@ func newosproc0(stacksize uintptr, fn unsafe.Pointer) {
 }
 
 const (
-       _AT_NULL   = 0  // End of vector
-       _AT_PAGESZ = 6  // System physical page size
-       _AT_HWCAP  = 16 // hardware capability bit vector
-       _AT_SECURE = 23 // secure mode boolean
-       _AT_RANDOM = 25 // introduced in 2.6.29
-       _AT_HWCAP2 = 26 // hardware capability bit vector 2
+       _AT_NULL     = 0  // End of vector
+       _AT_PAGESZ   = 6  // System physical page size
+       _AT_PLATFORM = 15 // string identifying platform
+       _AT_HWCAP    = 16 // hardware capability bit vector
+       _AT_SECURE   = 23 // secure mode boolean
+       _AT_RANDOM   = 25 // introduced in 2.6.29
+       _AT_HWCAP2   = 26 // hardware capability bit vector 2
 )
 
 var procAuxv = []byte("/proc/self/auxv\x00")