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author | Wim <wim@42.be> | 2023-03-09 22:48:00 +0100 |
---|---|---|
committer | GitHub <noreply@github.com> | 2023-03-09 22:48:00 +0100 |
commit | 08779c29099e8940493df56d28d8aa131ac8342e (patch) | |
tree | 7ad8ce25cf371e582137e1706dd671a6bf4342d0 /vendor/golang.org/x/sys/cpu | |
parent | d5f9cdf912d43cd2a5cb243e086fbdab9a9073b0 (diff) | |
download | matterbridge-msglm-08779c29099e8940493df56d28d8aa131ac8342e.tar.gz matterbridge-msglm-08779c29099e8940493df56d28d8aa131ac8342e.tar.bz2 matterbridge-msglm-08779c29099e8940493df56d28d8aa131ac8342e.zip |
Update dependencies (#2007)
* Update dependencies
Diffstat (limited to 'vendor/golang.org/x/sys/cpu')
-rw-r--r-- | vendor/golang.org/x/sys/cpu/hwcap_linux.go | 15 | ||||
-rw-r--r-- | vendor/golang.org/x/sys/cpu/runtime_auxv.go | 16 | ||||
-rw-r--r-- | vendor/golang.org/x/sys/cpu/runtime_auxv_go121.go | 19 |
3 files changed, 50 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/cpu/hwcap_linux.go b/vendor/golang.org/x/sys/cpu/hwcap_linux.go index f3baa379..1d9d91f3 100644 --- a/vendor/golang.org/x/sys/cpu/hwcap_linux.go +++ b/vendor/golang.org/x/sys/cpu/hwcap_linux.go @@ -24,6 +24,21 @@ var hwCap uint var hwCap2 uint func readHWCAP() error { + // For Go 1.21+, get auxv from the Go runtime. + if a := getAuxv(); len(a) > 0 { + for len(a) >= 2 { + tag, val := a[0], uint(a[1]) + a = a[2:] + switch tag { + case _AT_HWCAP: + hwCap = val + case _AT_HWCAP2: + hwCap2 = val + } + } + return nil + } + buf, err := ioutil.ReadFile(procAuxv) if err != nil { // e.g. on android /proc/self/auxv is not accessible, so silently diff --git a/vendor/golang.org/x/sys/cpu/runtime_auxv.go b/vendor/golang.org/x/sys/cpu/runtime_auxv.go new file mode 100644 index 00000000..5f92ac9a --- /dev/null +++ b/vendor/golang.org/x/sys/cpu/runtime_auxv.go @@ -0,0 +1,16 @@ +// Copyright 2023 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package cpu + +// getAuxvFn is non-nil on Go 1.21+ (via runtime_auxv_go121.go init) +// on platforms that use auxv. +var getAuxvFn func() []uintptr + +func getAuxv() []uintptr { + if getAuxvFn == nil { + return nil + } + return getAuxvFn() +} diff --git a/vendor/golang.org/x/sys/cpu/runtime_auxv_go121.go b/vendor/golang.org/x/sys/cpu/runtime_auxv_go121.go new file mode 100644 index 00000000..b975ea2a --- /dev/null +++ b/vendor/golang.org/x/sys/cpu/runtime_auxv_go121.go @@ -0,0 +1,19 @@ +// Copyright 2023 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build go1.21 +// +build go1.21 + +package cpu + +import ( + _ "unsafe" // for linkname +) + +//go:linkname runtime_getAuxv runtime.getAuxv +func runtime_getAuxv() []uintptr + +func init() { + getAuxvFn = runtime_getAuxv +} |