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| author | Martin Möhrmann <moehrmann@google.com> | 2020-11-21 17:44:04 +0100 |
|---|---|---|
| committer | Martin Möhrmann <moehrmann@google.com> | 2020-12-07 07:59:54 +0000 |
| commit | c15593197453b8bf90fc3a9080ba2afeaf7934ea (patch) | |
| tree | d0c9e386625721d141867690e427dfd8c84d5c62 /src/runtime/sys_darwin.go | |
| parent | e10c94af26b95f4af71c4a040b3d3f01499d01de (diff) | |
| download | go-c15593197453b8bf90fc3a9080ba2afeaf7934ea.tar.gz go-c15593197453b8bf90fc3a9080ba2afeaf7934ea.zip | |
internal/cpu: add darwin/arm64 CPU feature detection support
Fixes #42747
Change-Id: I6b1679348c77161f075f0678818bb003fc0e8c86
Reviewed-on: https://go-review.googlesource.com/c/go/+/271989
Trust: Martin Möhrmann <moehrmann@google.com>
Run-TryBot: Martin Möhrmann <martisch@uos.de>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Diffstat (limited to 'src/runtime/sys_darwin.go')
| -rw-r--r-- | src/runtime/sys_darwin.go | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/runtime/sys_darwin.go b/src/runtime/sys_darwin.go index c63ba8c6cd..c89ce78012 100644 --- a/src/runtime/sys_darwin.go +++ b/src/runtime/sys_darwin.go @@ -360,13 +360,20 @@ func setitimer_trampoline() //go:nosplit //go:cgo_unsafe_args -func sysctl(mib *uint32, miblen uint32, out *byte, size *uintptr, dst *byte, ndst uintptr) int32 { +func sysctl(mib *uint32, miblen uint32, oldp *byte, oldlenp *uintptr, newp *byte, newlen uintptr) int32 { return libcCall(unsafe.Pointer(funcPC(sysctl_trampoline)), unsafe.Pointer(&mib)) } func sysctl_trampoline() //go:nosplit //go:cgo_unsafe_args +func sysctlbyname(name *byte, oldp *byte, oldlenp *uintptr, newp *byte, newlen uintptr) int32 { + return libcCall(unsafe.Pointer(funcPC(sysctlbyname_trampoline)), unsafe.Pointer(&name)) +} +func sysctlbyname_trampoline() + +//go:nosplit +//go:cgo_unsafe_args func fcntl(fd, cmd, arg int32) int32 { return libcCall(unsafe.Pointer(funcPC(fcntl_trampoline)), unsafe.Pointer(&fd)) } @@ -486,6 +493,7 @@ func setNonblock(fd int32) { //go:cgo_import_dynamic libc_kill kill "/usr/lib/libSystem.B.dylib" //go:cgo_import_dynamic libc_setitimer setitimer "/usr/lib/libSystem.B.dylib" //go:cgo_import_dynamic libc_sysctl sysctl "/usr/lib/libSystem.B.dylib" +//go:cgo_import_dynamic libc_sysctlbyname sysctlbyname "/usr/lib/libSystem.B.dylib" //go:cgo_import_dynamic libc_fcntl fcntl "/usr/lib/libSystem.B.dylib" //go:cgo_import_dynamic libc_kqueue kqueue "/usr/lib/libSystem.B.dylib" //go:cgo_import_dynamic libc_kevent kevent "/usr/lib/libSystem.B.dylib" |