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syscall: move bsd mmap syscall

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The mmap system call varies across BSDs. Move mmap and munmap into
the operating system dependent files. This will be needed to add
syscall support for OpenBSD.

R=rsc
CC=golang-dev
https://golang.org/cl/4822056
This commit is contained in:
Joel Sing 2011-08-08 09:56:45 -04:00 committed by Russ Cox
parent f6fab25582
commit 68fea34be3
7 changed files with 72 additions and 71 deletions
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3
src/pkg/syscall/syscall_bsd.go
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@ -612,9 +612,6 @@ func Futimes(fd int, tv []Timeval) (errno int) {
// Msync(addr *byte, len int, flags int) (errno int) // Msync(addr *byte, len int, flags int) (errno int)
// Ptrace(req int, pid int, addr uintptr, data int) (ret uintptr, errno int) // Ptrace(req int, pid int, addr uintptr, data int) (ret uintptr, errno int)
//sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, errno int)
//sys munmap(addr uintptr, length uintptr) (errno int)
var mapper = &mmapper{ var mapper = &mmapper{
active: make(map[*byte][]byte), active: make(map[*byte][]byte),
mmap: mmap, mmap: mmap,

2
src/pkg/syscall/syscall_darwin.go
View File

@ -166,6 +166,8 @@ func Kill(pid int, signum int) (errno int) { return kill(pid, signum, 1) }
//sys Unlink(path string) (errno int) //sys Unlink(path string) (errno int)
//sys Unmount(path string, flags int) (errno int) //sys Unmount(path string, flags int) (errno int)
//sys Write(fd int, p []byte) (n int, errno int) //sys Write(fd int, p []byte) (n int, errno int)
//sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, errno int)
//sys munmap(addr uintptr, length uintptr) (errno int)
//sys read(fd int, buf *byte, nbuf int) (n int, errno int) //sys read(fd int, buf *byte, nbuf int) (n int, errno int)
//sys write(fd int, buf *byte, nbuf int) (n int, errno int) //sys write(fd int, buf *byte, nbuf int) (n int, errno int)

2
src/pkg/syscall/syscall_freebsd.go
View File

@ -155,6 +155,8 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, errno
//sys Unlink(path string) (errno int) //sys Unlink(path string) (errno int)
//sys Unmount(path string, flags int) (errno int) //sys Unmount(path string, flags int) (errno int)
//sys Write(fd int, p []byte) (n int, errno int) //sys Write(fd int, p []byte) (n int, errno int)
//sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, errno int)
//sys munmap(addr uintptr, length uintptr) (errno int)
//sys read(fd int, buf *byte, nbuf int) (n int, errno int) //sys read(fd int, buf *byte, nbuf int) (n int, errno int)
//sys write(fd int, buf *byte, nbuf int) (n int, errno int) //sys write(fd int, buf *byte, nbuf int) (n int, errno int)

34
src/pkg/syscall/zsyscall_darwin_386.go
View File

@ -209,23 +209,6 @@ func fcntl(fd int, cmd int, arg int) (val int, errno int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, errno int) {
r0, _, e1 := Syscall9(SYS_MMAP, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flag), uintptr(fd), uintptr(pos), uintptr(pos>>32), 0, 0)
ret = uintptr(r0)
errno = int(e1)
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func munmap(addr uintptr, length uintptr) (errno int) {
_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
errno = int(e1)
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ptrace(request int, pid int, addr uintptr, data uintptr) (errno int) { func ptrace(request int, pid int, addr uintptr, data uintptr) (errno int) {
_, _, e1 := Syscall6(SYS_PTRACE, uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0) _, _, e1 := Syscall6(SYS_PTRACE, uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
errno = int(e1) errno = int(e1)
@ -950,6 +933,23 @@ func Write(fd int, p []byte) (n int, errno int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, errno int) {
r0, _, e1 := Syscall9(SYS_MMAP, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flag), uintptr(fd), uintptr(pos), uintptr(pos>>32), 0, 0)
ret = uintptr(r0)
errno = int(e1)
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func munmap(addr uintptr, length uintptr) (errno int) {
_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
errno = int(e1)
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func read(fd int, buf *byte, nbuf int) (n int, errno int) { func read(fd int, buf *byte, nbuf int) (n int, errno int) {
r0, _, e1 := Syscall(SYS_READ, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf)) r0, _, e1 := Syscall(SYS_READ, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
n = int(r0) n = int(r0)

34
src/pkg/syscall/zsyscall_darwin_amd64.go
View File

@ -209,23 +209,6 @@ func fcntl(fd int, cmd int, arg int) (val int, errno int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, errno int) {
r0, _, e1 := Syscall6(SYS_MMAP, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flag), uintptr(fd), uintptr(pos))
ret = uintptr(r0)
errno = int(e1)
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func munmap(addr uintptr, length uintptr) (errno int) {
_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
errno = int(e1)
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ptrace(request int, pid int, addr uintptr, data uintptr) (errno int) { func ptrace(request int, pid int, addr uintptr, data uintptr) (errno int) {
_, _, e1 := Syscall6(SYS_PTRACE, uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0) _, _, e1 := Syscall6(SYS_PTRACE, uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
errno = int(e1) errno = int(e1)
@ -950,6 +933,23 @@ func Write(fd int, p []byte) (n int, errno int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, errno int) {
r0, _, e1 := Syscall6(SYS_MMAP, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flag), uintptr(fd), uintptr(pos))
ret = uintptr(r0)
errno = int(e1)
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func munmap(addr uintptr, length uintptr) (errno int) {
_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
errno = int(e1)
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func read(fd int, buf *byte, nbuf int) (n int, errno int) { func read(fd int, buf *byte, nbuf int) (n int, errno int) {
r0, _, e1 := Syscall(SYS_READ, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf)) r0, _, e1 := Syscall(SYS_READ, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
n = int(r0) n = int(r0)

34
src/pkg/syscall/zsyscall_freebsd_386.go
View File

@ -209,23 +209,6 @@ func fcntl(fd int, cmd int, arg int) (val int, errno int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, errno int) {
r0, _, e1 := Syscall9(SYS_MMAP, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flag), uintptr(fd), uintptr(pos), uintptr(pos>>32), 0, 0)
ret = uintptr(r0)
errno = int(e1)
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func munmap(addr uintptr, length uintptr) (errno int) {
_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
errno = int(e1)
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func pipe() (r int, w int, errno int) { func pipe() (r int, w int, errno int) {
r0, r1, e1 := RawSyscall(SYS_PIPE, 0, 0, 0) r0, r1, e1 := RawSyscall(SYS_PIPE, 0, 0, 0)
r = int(r0) r = int(r0)
@ -942,6 +925,23 @@ func Write(fd int, p []byte) (n int, errno int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, errno int) {
r0, _, e1 := Syscall9(SYS_MMAP, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flag), uintptr(fd), uintptr(pos), uintptr(pos>>32), 0, 0)
ret = uintptr(r0)
errno = int(e1)
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func munmap(addr uintptr, length uintptr) (errno int) {
_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
errno = int(e1)
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func read(fd int, buf *byte, nbuf int) (n int, errno int) { func read(fd int, buf *byte, nbuf int) (n int, errno int) {
r0, _, e1 := Syscall(SYS_READ, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf)) r0, _, e1 := Syscall(SYS_READ, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
n = int(r0) n = int(r0)

34
src/pkg/syscall/zsyscall_freebsd_amd64.go
View File

@ -209,23 +209,6 @@ func fcntl(fd int, cmd int, arg int) (val int, errno int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, errno int) {
r0, _, e1 := Syscall6(SYS_MMAP, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flag), uintptr(fd), uintptr(pos))
ret = uintptr(r0)
errno = int(e1)
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func munmap(addr uintptr, length uintptr) (errno int) {
_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
errno = int(e1)
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func pipe() (r int, w int, errno int) { func pipe() (r int, w int, errno int) {
r0, r1, e1 := RawSyscall(SYS_PIPE, 0, 0, 0) r0, r1, e1 := RawSyscall(SYS_PIPE, 0, 0, 0)
r = int(r0) r = int(r0)
@ -942,6 +925,23 @@ func Write(fd int, p []byte) (n int, errno int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, errno int) {
r0, _, e1 := Syscall6(SYS_MMAP, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flag), uintptr(fd), uintptr(pos))
ret = uintptr(r0)
errno = int(e1)
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func munmap(addr uintptr, length uintptr) (errno int) {
_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
errno = int(e1)
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func read(fd int, buf *byte, nbuf int) (n int, errno int) { func read(fd int, buf *byte, nbuf int) (n int, errno int) {
r0, _, e1 := Syscall(SYS_READ, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf)) r0, _, e1 := Syscall(SYS_READ, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
n = int(r0) n = int(r0)