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syscall: fix error return bug for 64-bit return on 32-bit platform

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R=dho, rsc
CC=r
https://golang.org/cl/176058
This commit is contained in:
Christopher Wedgwood 2009-12-13 13:05:49 -08:00 committed by Russ Cox
parent 977e19d69f
commit 58578905ba
5 changed files with 35 additions and 29 deletions
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1
src/pkg/syscall/mksyscall.sh
View File

@ -158,7 +158,6 @@ while(<>) {
}
$ret[$i] = sprintf("r%d", $i);
$ret[$i+1] = sprintf("r%d", $i+1);
$i++; # loop will do another $i++
}
$body .= "\t$name = $type($reg);\n";
}

3
src/pkg/syscall/zsyscall_darwin_386.go
View File

@ -502,8 +502,9 @@ func Rmdir(path string) (errno int) {
}
func Seek(fd int, offset int64, whence int) (newoffset int64, errno int) {
r0, r1, _ := Syscall6(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(offset>>32), uintptr(whence), 0, 0);
r0, r1, e1 := Syscall6(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(offset>>32), uintptr(whence), 0, 0);
newoffset = int64(int64(r1)<<32 | int64(r0));
errno = int(e1);
return;
}

3
src/pkg/syscall/zsyscall_freebsd_386.go
View File

@ -502,8 +502,9 @@ func Rmdir(path string) (errno int) {
}
func Seek(fd int, offset int64, whence int) (newoffset int64, errno int) {
r0, r1, _ := Syscall6(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(offset>>32), uintptr(whence), 0, 0);
r0, r1, e1 := Syscall6(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(offset>>32), uintptr(whence), 0, 0);
newoffset = int64(int64(r1)<<32 | int64(r0));
errno = int(e1);
return;
}

6
src/pkg/syscall/zsyscall_linux_386.go
View File

@ -453,8 +453,9 @@ func Setuid(uid int) (errno int) {
}
func Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, errno int) {
r0, r1, _ := Syscall6(SYS_SPLICE, uintptr(rfd), uintptr(unsafe.Pointer(roff)), uintptr(wfd), uintptr(unsafe.Pointer(woff)), uintptr(len), uintptr(flags));
r0, r1, e1 := Syscall6(SYS_SPLICE, uintptr(rfd), uintptr(unsafe.Pointer(roff)), uintptr(wfd), uintptr(unsafe.Pointer(woff)), uintptr(len), uintptr(flags));
n = int64(int64(r1)<<32 | int64(r0));
errno = int(e1);
return;
}
@ -476,8 +477,9 @@ func Sysinfo(info *Sysinfo_t) (errno int) {
}
func Tee(rfd int, wfd int, len int, flags int) (n int64, errno int) {
r0, r1, _ := Syscall6(SYS_TEE, uintptr(rfd), uintptr(wfd), uintptr(len), uintptr(flags), 0, 0);
r0, r1, e1 := Syscall6(SYS_TEE, uintptr(rfd), uintptr(wfd), uintptr(len), uintptr(flags), 0, 0);
n = int64(int64(r1)<<32 | int64(r0));
errno = int(e1);
return;
}

51
src/pkg/syscall/zsyscall_linux_arm.go
View File

@ -453,8 +453,9 @@ func Setuid(uid int) (errno int) {
}
func Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, errno int) {
r0, r1, _ := Syscall6(SYS_SPLICE, uintptr(rfd), uintptr(unsafe.Pointer(roff)), uintptr(wfd), uintptr(unsafe.Pointer(woff)), uintptr(len), uintptr(flags));
r0, r1, e1 := Syscall6(SYS_SPLICE, uintptr(rfd), uintptr(unsafe.Pointer(roff)), uintptr(wfd), uintptr(unsafe.Pointer(woff)), uintptr(len), uintptr(flags));
n = int64(int64(r1)<<32 | int64(r0));
errno = int(e1);
return;
}
@ -476,8 +477,9 @@ func Sysinfo(info *Sysinfo_t) (errno int) {
}
func Tee(rfd int, wfd int, len int, flags int) (n int64, errno int) {
r0, r1, _ := Syscall6(SYS_TEE, uintptr(rfd), uintptr(wfd), uintptr(len), uintptr(flags), 0, 0);
r0, r1, e1 := Syscall6(SYS_TEE, uintptr(rfd), uintptr(wfd), uintptr(len), uintptr(flags), 0, 0);
n = int64(int64(r1)<<32 | int64(r0));
errno = int(e1);
return;
}
@ -637,6 +639,27 @@ func getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int) {
return;
}
func recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, errno int) {
var _p0 *byte;
if len(p) > 0 {
_p0 = &p[0]
}
r0, _, e1 := Syscall6(SYS_RECVFROM, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(len(p)), uintptr(flags), uintptr(unsafe.Pointer(from)), uintptr(unsafe.Pointer(fromlen)));
n = int(r0);
errno = int(e1);
return;
}
func sendto(s int, buf []byte, flags int, to uintptr, addrlen _Socklen) (errno int) {
var _p0 *byte;
if len(buf) > 0 {
_p0 = &buf[0]
}
_, _, e1 := Syscall6(SYS_SENDTO, uintptr(s), uintptr(unsafe.Pointer(_p0)), uintptr(len(buf)), uintptr(flags), uintptr(to), uintptr(addrlen));
errno = int(e1);
return;
}
func Chown(path string, uid int, gid int) (errno int) {
_, _, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(uid), uintptr(gid));
errno = int(e1);
@ -704,8 +727,9 @@ func Lstat(path string, stat *Stat_t) (errno int) {
}
func Seek(fd int, offset int64, whence int) (off int64, errno int) {
r0, r1, _ := Syscall6(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(offset>>32), uintptr(whence), 0, 0);
r0, r1, e1 := Syscall6(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(offset>>32), uintptr(whence), 0, 0);
off = int64(int64(r1)<<32 | int64(r0));
errno = int(e1);
return;
}
@ -775,24 +799,3 @@ func Statfs(path string, buf *Statfs_t) (errno int) {
errno = int(e1);
return;
}
func recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, errno int) {
var _p0 *byte;
if len(p) > 0 {
_p0 = &p[0]
}
r0, _, e1 := Syscall6(SYS_RECVFROM, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(len(p)), uintptr(flags), uintptr(unsafe.Pointer(from)), uintptr(unsafe.Pointer(fromlen)));
n = int(r0);
errno = int(e1);
return;
}
func sendto(s int, buf []byte, flags int, to uintptr, addrlen _Socklen) (errno int) {
var _p0 *byte;
if len(buf) > 0 {
_p0 = &buf[0]
}
_, _, e1 := Syscall6(SYS_SENDTO, uintptr(s), uintptr(unsafe.Pointer(_p0)), uintptr(len(buf)), uintptr(flags), uintptr(to), uintptr(addrlen));
errno = int(e1);
return;
}