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syscall: call getfsstat via libc on openbsd

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On openbsd, call getfsstat directly via libc, instead of calling it
via syscall.Syscall.

Updates #63900

Change-Id: Ib4c581160b170e6cc6017c42e959e647d97ac993
Reviewed-on: https://go-review.googlesource.com/c/go/+/538736
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Josh Rickmar <jrick@zettaport.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Joel Sing <joel@sing.id.au>
This commit is contained in:
Joel Sing 2023-11-01 23:43:15 +11:00
parent 4e896d179d
commit 54452b963c
13 changed files with 107 additions and 8 deletions
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12
src/syscall/syscall_openbsd.go
View File

@ -116,18 +116,13 @@ func sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
}
func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
var _p0 unsafe.Pointer
var bufptr *Statfs_t
var bufsize uintptr
if len(buf) > 0 {
_p0 = unsafe.Pointer(&buf[0])
bufptr = &buf[0]
bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf))
}
r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags))
n = int(r0)
if e1 != 0 {
err = e1
}
return
return getfsstat(bufptr, bufsize, flags)
}
/*
@ -212,4 +207,5 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
//sys writev(fd int, iovecs []Iovec) (n uintptr, err error)
//sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
//sys munmap(addr uintptr, length uintptr) (err error)
//sys getfsstat(stat *Statfs_t, bufsize uintptr, flags int) (n int, err error)
//sys utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error)

15
src/syscall/zsyscall_openbsd_386.go
View File

@ -1660,6 +1660,21 @@ func libc_munmap_trampoline()
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func getfsstat(stat *Statfs_t, bufsize uintptr, flags int) (n int, err error) {
r0, _, e1 := syscall(abi.FuncPCABI0(libc_getfsstat_trampoline), uintptr(unsafe.Pointer(stat)), uintptr(bufsize), uintptr(flags))
n = int(r0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
func libc_getfsstat_trampoline()
//go:cgo_import_dynamic libc_getfsstat getfsstat "libc.so"
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)

2
src/syscall/zsyscall_openbsd_386.s
View File

@ -207,6 +207,8 @@ TEXT ·libc_mmap_trampoline(SB),NOSPLIT,$0-0
JMP libc_mmap(SB)
TEXT ·libc_munmap_trampoline(SB),NOSPLIT,$0-0
JMP libc_munmap(SB)
TEXT ·libc_getfsstat_trampoline(SB),NOSPLIT,$0-0
JMP libc_getfsstat(SB)
TEXT ·libc_utimensat_trampoline(SB),NOSPLIT,$0-0
JMP libc_utimensat(SB)
TEXT ·libc_syscall_trampoline(SB),NOSPLIT,$0-0

15
src/syscall/zsyscall_openbsd_amd64.go
View File

@ -1660,6 +1660,21 @@ func libc_munmap_trampoline()
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func getfsstat(stat *Statfs_t, bufsize uintptr, flags int) (n int, err error) {
r0, _, e1 := syscall(abi.FuncPCABI0(libc_getfsstat_trampoline), uintptr(unsafe.Pointer(stat)), uintptr(bufsize), uintptr(flags))
n = int(r0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
func libc_getfsstat_trampoline()
//go:cgo_import_dynamic libc_getfsstat getfsstat "libc.so"
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)

2
src/syscall/zsyscall_openbsd_amd64.s
View File

@ -207,6 +207,8 @@ TEXT ·libc_mmap_trampoline(SB),NOSPLIT,$0-0
JMP libc_mmap(SB)
TEXT ·libc_munmap_trampoline(SB),NOSPLIT,$0-0
JMP libc_munmap(SB)
TEXT ·libc_getfsstat_trampoline(SB),NOSPLIT,$0-0
JMP libc_getfsstat(SB)
TEXT ·libc_utimensat_trampoline(SB),NOSPLIT,$0-0
JMP libc_utimensat(SB)
TEXT ·libc_syscall_trampoline(SB),NOSPLIT,$0-0

15
src/syscall/zsyscall_openbsd_arm.go
View File

@ -1660,6 +1660,21 @@ func libc_munmap_trampoline()
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func getfsstat(stat *Statfs_t, bufsize uintptr, flags int) (n int, err error) {
r0, _, e1 := syscall(abi.FuncPCABI0(libc_getfsstat_trampoline), uintptr(unsafe.Pointer(stat)), uintptr(bufsize), uintptr(flags))
n = int(r0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
func libc_getfsstat_trampoline()
//go:cgo_import_dynamic libc_getfsstat getfsstat "libc.so"
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)

2
src/syscall/zsyscall_openbsd_arm.s
View File

@ -207,6 +207,8 @@ TEXT ·libc_mmap_trampoline(SB),NOSPLIT,$0-0
JMP libc_mmap(SB)
TEXT ·libc_munmap_trampoline(SB),NOSPLIT,$0-0
JMP libc_munmap(SB)
TEXT ·libc_getfsstat_trampoline(SB),NOSPLIT,$0-0
JMP libc_getfsstat(SB)
TEXT ·libc_utimensat_trampoline(SB),NOSPLIT,$0-0
JMP libc_utimensat(SB)
TEXT ·libc_syscall_trampoline(SB),NOSPLIT,$0-0

15
src/syscall/zsyscall_openbsd_arm64.go
View File

@ -1660,6 +1660,21 @@ func libc_munmap_trampoline()
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func getfsstat(stat *Statfs_t, bufsize uintptr, flags int) (n int, err error) {
r0, _, e1 := syscall(abi.FuncPCABI0(libc_getfsstat_trampoline), uintptr(unsafe.Pointer(stat)), uintptr(bufsize), uintptr(flags))
n = int(r0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
func libc_getfsstat_trampoline()
//go:cgo_import_dynamic libc_getfsstat getfsstat "libc.so"
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)

2
src/syscall/zsyscall_openbsd_arm64.s
View File

@ -207,6 +207,8 @@ TEXT ·libc_mmap_trampoline(SB),NOSPLIT,$0-0
JMP libc_mmap(SB)
TEXT ·libc_munmap_trampoline(SB),NOSPLIT,$0-0
JMP libc_munmap(SB)
TEXT ·libc_getfsstat_trampoline(SB),NOSPLIT,$0-0
JMP libc_getfsstat(SB)
TEXT ·libc_utimensat_trampoline(SB),NOSPLIT,$0-0
JMP libc_utimensat(SB)
TEXT ·libc_syscall_trampoline(SB),NOSPLIT,$0-0

15
src/syscall/zsyscall_openbsd_ppc64.go
View File

@ -1660,6 +1660,21 @@ func libc_munmap_trampoline()
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func getfsstat(stat *Statfs_t, bufsize uintptr, flags int) (n int, err error) {
r0, _, e1 := syscall(abi.FuncPCABI0(libc_getfsstat_trampoline), uintptr(unsafe.Pointer(stat)), uintptr(bufsize), uintptr(flags))
n = int(r0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
func libc_getfsstat_trampoline()
//go:cgo_import_dynamic libc_getfsstat getfsstat "libc.so"
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)

3
src/syscall/zsyscall_openbsd_ppc64.s
View File

@ -310,6 +310,9 @@ TEXT ·libc_mmap_trampoline(SB),NOSPLIT,$0-0
TEXT ·libc_munmap_trampoline(SB),NOSPLIT,$0-0
CALL libc_munmap(SB)
RET
TEXT ·libc_getfsstat_trampoline(SB),NOSPLIT,$0-0
CALL libc_getfsstat(SB)
RET
TEXT ·libc_utimensat_trampoline(SB),NOSPLIT,$0-0
CALL libc_utimensat(SB)
RET

15
src/syscall/zsyscall_openbsd_riscv64.go
View File

@ -1660,6 +1660,21 @@ func libc_munmap_trampoline()
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func getfsstat(stat *Statfs_t, bufsize uintptr, flags int) (n int, err error) {
r0, _, e1 := syscall(abi.FuncPCABI0(libc_getfsstat_trampoline), uintptr(unsafe.Pointer(stat)), uintptr(bufsize), uintptr(flags))
n = int(r0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
func libc_getfsstat_trampoline()
//go:cgo_import_dynamic libc_getfsstat getfsstat "libc.so"
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)

2
src/syscall/zsyscall_openbsd_riscv64.s
View File

@ -207,6 +207,8 @@ TEXT ·libc_mmap_trampoline(SB),NOSPLIT,$0-0
JMP libc_mmap(SB)
TEXT ·libc_munmap_trampoline(SB),NOSPLIT,$0-0
JMP libc_munmap(SB)
TEXT ·libc_getfsstat_trampoline(SB),NOSPLIT,$0-0
JMP libc_getfsstat(SB)
TEXT ·libc_utimensat_trampoline(SB),NOSPLIT,$0-0
JMP libc_utimensat(SB)
TEXT ·libc_syscall_trampoline(SB),NOSPLIT,$0-0