diff options
Diffstat (limited to 'unix/syscall_freebsd.go')
-rw-r--r-- | unix/syscall_freebsd.go | 44 |
1 files changed, 38 insertions, 6 deletions
diff --git a/unix/syscall_freebsd.go b/unix/syscall_freebsd.go index de7c23e..5bdde03 100644 --- a/unix/syscall_freebsd.go +++ b/unix/syscall_freebsd.go @@ -161,7 +161,8 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) { return } -//sys ioctl(fd int, req uint, arg uintptr) (err error) +//sys ioctl(fd int, req uint, arg uintptr) (err error) = SYS_IOCTL +//sys ioctlPtr(fd int, req uint, arg unsafe.Pointer) (err error) = SYS_IOCTL //sys sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL @@ -253,6 +254,7 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e } //sys ptrace(request int, pid int, addr uintptr, data int) (err error) +//sys ptracePtr(request int, pid int, addr unsafe.Pointer, data int) (err error) = SYS_PTRACE func PtraceAttach(pid int) (err error) { return ptrace(PT_ATTACH, pid, 0, 0) @@ -267,19 +269,36 @@ func PtraceDetach(pid int) (err error) { } func PtraceGetFpRegs(pid int, fpregsout *FpReg) (err error) { - return ptrace(PT_GETFPREGS, pid, uintptr(unsafe.Pointer(fpregsout)), 0) + return ptracePtr(PT_GETFPREGS, pid, unsafe.Pointer(fpregsout), 0) } func PtraceGetRegs(pid int, regsout *Reg) (err error) { - return ptrace(PT_GETREGS, pid, uintptr(unsafe.Pointer(regsout)), 0) + return ptracePtr(PT_GETREGS, pid, unsafe.Pointer(regsout), 0) +} + +func PtraceIO(req int, pid int, offs uintptr, out []byte, countin int) (count int, err error) { + ioDesc := PtraceIoDesc{ + Op: int32(req), + Offs: offs, + } + if countin > 0 { + _ = out[:countin] // check bounds + ioDesc.Addr = &out[0] + } else if out != nil { + ioDesc.Addr = (*byte)(unsafe.Pointer(&_zero)) + } + ioDesc.SetLen(countin) + + err = ptracePtr(PT_IO, pid, unsafe.Pointer(&ioDesc), 0) + return int(ioDesc.Len), err } func PtraceLwpEvents(pid int, enable int) (err error) { return ptrace(PT_LWP_EVENTS, pid, 0, enable) } -func PtraceLwpInfo(pid int, info uintptr) (err error) { - return ptrace(PT_LWPINFO, pid, info, int(unsafe.Sizeof(PtraceLwpInfoStruct{}))) +func PtraceLwpInfo(pid int, info *PtraceLwpInfoStruct) (err error) { + return ptracePtr(PT_LWPINFO, pid, unsafe.Pointer(info), int(unsafe.Sizeof(*info))) } func PtracePeekData(pid int, addr uintptr, out []byte) (count int, err error) { @@ -299,13 +318,25 @@ func PtracePokeText(pid int, addr uintptr, data []byte) (count int, err error) { } func PtraceSetRegs(pid int, regs *Reg) (err error) { - return ptrace(PT_SETREGS, pid, uintptr(unsafe.Pointer(regs)), 0) + return ptracePtr(PT_SETREGS, pid, unsafe.Pointer(regs), 0) } func PtraceSingleStep(pid int) (err error) { return ptrace(PT_STEP, pid, 1, 0) } +func Dup3(oldfd, newfd, flags int) error { + if oldfd == newfd || flags&^O_CLOEXEC != 0 { + return EINVAL + } + how := F_DUP2FD + if flags&O_CLOEXEC != 0 { + how = F_DUP2FD_CLOEXEC + } + _, err := fcntl(oldfd, how, newfd) + return err +} + /* * Exposed directly */ @@ -319,6 +350,7 @@ func PtraceSingleStep(pid int) (err error) { //sys Chmod(path string, mode uint32) (err error) //sys Chown(path string, uid int, gid int) (err error) //sys Chroot(path string) (err error) +//sys ClockGettime(clockid int32, time *Timespec) (err error) //sys Close(fd int) (err error) //sys Dup(fd int) (nfd int, err error) //sys Dup2(from int, to int) (err error) |