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syscall/arm: correct 64-bit system call arguments

Browse source 
Thanks to kaib for the tip.

R=ken2
CC=golang-dev
https://golang.org/cl/2596043
This commit is contained in:
Russ Cox 2010-10-20 10:39:46 -04:00
parent c00f9f49bb
commit 1142b60dad
9 changed files with 364 additions and 86 deletions
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32
src/pkg/syscall/syscall_linux_arm.go
View file

@ -4,6 +4,8 @@
package syscall
import "unsafe"
func Getpagesize() int { return 4096 }
func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
@ -21,6 +23,35 @@ func NsecToTimeval(nsec int64) (tv Timeval) {
return
}
// Pread and Pwrite are special: they insert padding before the int64.
// (Ftruncate and truncate are not; go figure.)
func Pread(fd int, p []byte, offset int64) (n int, errno int) {
var _p0 unsafe.Pointer
if len(p) > 0 {
_p0 = unsafe.Pointer(&p[0])
}
r0, _, e1 := Syscall6(SYS_PREAD64, uintptr(fd), uintptr(_p0), uintptr(len(p)), 0, uintptr(offset), uintptr(offset>>32))
n = int(r0)
errno = int(e1)
return
}
func Pwrite(fd int, p []byte, offset int64) (n int, errno int) {
var _p0 unsafe.Pointer
if len(p) > 0 {
_p0 = unsafe.Pointer(&p[0])
}
r0, _, e1 := Syscall6(SYS_PWRITE64, uintptr(fd), uintptr(_p0), uintptr(len(p)), 0, uintptr(offset), uintptr(offset>>32))
n = int(r0)
errno = int(e1)
return
}
// Seek is defined in assembly.
func Seek(fd int, offset int64, whence int) (newoffset int64, errno int)
//sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, errno int)
//sys bind(s int, addr uintptr, addrlen _Socklen) (errno int)
//sys connect(s int, addr uintptr, addrlen _Socklen) (errno int)
@ -45,7 +76,6 @@ func NsecToTimeval(nsec int64) (tv Timeval) {
//sys Lchown(path string, uid int, gid int) (errno int)
//sys Listen(s int, n int) (errno int)
//sys Lstat(path string, stat *Stat_t) (errno int) = SYS_LSTAT64
//sys Seek(fd int, offset int64, whence int) (off int64, errno int) = SYS_LSEEK
//sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, errno int) = SYS__NEWSELECT
//sys Setfsgid(gid int) (errno int)
//sys Setfsuid(uid int) (errno int)