golang.org/x/sys@v0.20.1-0.20240517151509-673e0f94c16d/cpu/syscall_aix_ppc64_gc.go (about)

     1  // Copyright 2019 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // Minimal copy of x/sys/unix so the cpu package can make a
     6  // system call on AIX without depending on x/sys/unix.
     7  // (See golang.org/issue/32102)
     8  
     9  //go:build aix && ppc64 && gc
    10  
    11  package cpu
    12  
    13  import (
    14  	"syscall"
    15  	"unsafe"
    16  )
    17  
    18  //go:cgo_import_dynamic libc_getsystemcfg getsystemcfg "libc.a/shr_64.o"
    19  
    20  //go:linkname libc_getsystemcfg libc_getsystemcfg
    21  
    22  type syscallFunc uintptr
    23  
    24  var libc_getsystemcfg syscallFunc
    25  
    26  type errno = syscall.Errno
    27  
    28  // Implemented in runtime/syscall_aix.go.
    29  func rawSyscall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err errno)
    30  func syscall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err errno)
    31  
    32  func callgetsystemcfg(label int) (r1 uintptr, e1 errno) {
    33  	r1, _, e1 = syscall6(uintptr(unsafe.Pointer(&libc_getsystemcfg)), 1, uintptr(label), 0, 0, 0, 0, 0)
    34  	return
    35  }