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fixes for linux system call linkage

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R=gri
OCL=13547
CL=13547
This commit is contained in:
Rob Pike 2008-07-29 15:06:21 -07:00
parent ebcd76d540
commit e06d1540c8
2 changed files with 14 additions and 3 deletions
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12
src/syscall/file_amd64_linux.go
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@ -11,6 +11,7 @@ export stat, fstat, lstat
export open, close, read, write, pipe
func StatToInt(s *Stat) int64;
func Addr32ToInt(s *int32) int64;
// Stat and relatives for Linux
@ -45,6 +46,9 @@ type Stat struct {
st_atime Timespec; /* time of last access */
st_mtime Timespec; /* time of last modification */
st_ctime Timespec; /* time of last status change */
st_unused4 int64;
st_unused5 int64;
st_unused6 int64;
}
func open(name *byte, mode int64) (ret int64, errno int64) {
@ -60,6 +64,7 @@ func close(fd int64) (ret int64, errno int64) {
}
func read(fd int64, buf *byte, nbytes int64) (ret int64, errno int64) {
print "READ: ", fd, " ", nbytes, "\n";
const SYSREAD = 0;
r1, r2, err := syscall.Syscall(SYSREAD, fd, AddrToInt(buf), nbytes);
return r1, err;
@ -73,12 +78,13 @@ func write(fd int64, buf *byte, nbytes int64) (ret int64, errno int64) {
func pipe(fds *[2]int64) (ret int64, errno int64) {
const SYSPIPE = 22;
r1, r2, err := syscall.Syscall(SYSPIPE, 0, 0, 0);
var t [2] int32;
r1, r2, err := syscall.Syscall(SYSPIPE, Addr32ToInt(&t[0]), 0, 0);
if r1 < 0 {
return r1, err;
}
fds[0] = r1;
fds[1] = r2;
fds[0] = int64(t[0]);
fds[1] = int64(t[1]);
return 0, err;
}

5
src/syscall/syscall_amd64_linux.s
View File

@ -32,6 +32,11 @@ TEXT syscall·AddrToInt(SB),1,$-8
MOVQ AX, 16(SP)
RET
TEXT syscall·Addr32ToInt(SB),1,$-8
MOVQ 8(SP), AX
MOVQ AX, 16(SP)
RET
TEXT syscall·StatToInt(SB),1,$-8
MOVQ 8(SP), AX
MOVQ AX, 16(SP)