}
		}
		if physPageSize == 0 {
			physPageSize = size
		}
		munmap(p, size)
		return
	}

	n = read(fd, noescape(unsafe.Pointer(&auxvreadbuf[0])), int32(unsafe.Sizeof(auxvreadbuf)))
	closefd(fd)
	if n < 0 {
		return
	}
	// Make sure buf is terminated, even if we didn't read
	// the whole file.
	auxvreadbuf[len(auxvreadbuf)-2] = _AT_NULL
	pairs := sysauxv(auxvreadbuf[:])

}

var urandom_dev = []byte("/dev/urandom\x00")

//go:nosplit
func readRandom(r []byte) int {
	fd := open(&urandom_dev[0], 0 /* O_RDONLY */, 0)
	n := read(fd, unsafe.Pointer(&r[0]), int32(len(r)))
	closefd(fd)
	return int(n)
}

func goenvs() {
	goenvs_unix()
}

// May run with m.p==nil, so write barriers are not allowed.
//
//go:nowritebarrierrec
func newosproc(mp *m) {

}

var urandom_dev = []byte("/dev/urandom\x00")

//go:nosplit
func readRandom(r []byte) int {
	fd := open(&urandom_dev[0], 0 /* O_RDONLY */, 0)
	n := read(fd, unsafe.Pointer(&r[0]), int32(len(r)))
	closefd(fd)
	return int(n)
}

func goenvs() {
	goenvs_unix()
}

// Called to initialize a new m (including the bootstrap m).

	}
}

var urandom_dev = []byte("/dev/urandom\x00")

//go:nosplit
func readRandom(r []byte) int {
	fd := open(&urandom_dev[0], 0 /* O_RDONLY */, 0)
	n := read(fd, unsafe.Pointer(&r[0]), int32(len(r)))
	closefd(fd)
	return int(n)
}

func goenvs() {
	goenvs_unix()
}

// Called to initialize a new m (including the bootstrap m).

	MOV	name+0(FP), A0
	MOVW	mode+8(FP), A1
	MOVW	perm+12(FP), A2
	MOV	$SYS_open, T0
	ECALL
	BEQ	T0, ZERO, ok
	MOV	$-1, A0
ok:
	MOVW	A0, ret+16(FP)
	RET

// func closefd(fd int32) int32
TEXT runtime·closefd(SB),NOSPLIT|NOFRAME,$0-12
	MOVW	fd+0(FP), A0
	MOV	$SYS_close, T0
	ECALL
	BEQ	T0, ZERO, ok
	MOV	$-1, A0
ok:
	MOVW	A0, ret+8(FP)
	RET

	MOVD	name+0(FP), R0
	MOVW	mode+8(FP), R1
	MOVW	perm+12(FP), R2
	MOVD	$SYS_open, R8
	SVC
	BCC	ok
	MOVW	$-1, R0
ok:
	MOVW	R0, ret+16(FP)
	RET

// func closefd(fd int32) int32
TEXT runtime·closefd(SB),NOSPLIT|NOFRAME,$0-12
	MOVW	fd+0(FP), R0
	MOVD	$SYS_close, R8
	SVC
	BCC	ok
	MOVW	$-1, R0
ok:
	MOVW	R0, ret+8(FP)
	RET

	MOV	$AT_FDCWD, A0
	MOV	name+0(FP), A1
	MOVW	mode+8(FP), A2
	MOVW	perm+12(FP), A3
	MOV	$SYS_openat, A7
	ECALL
	MOV	$-4096, T0
	BGEU	T0, A0, 2(PC)
	MOV	$-1, A0
	MOVW	A0, ret+16(FP)
	RET

// func closefd(fd int32) int32
TEXT runtime·closefd(SB),NOSPLIT|NOFRAME,$0-12
	MOVW	fd+0(FP), A0
	MOV	$SYS_close, A7
	ECALL
	MOV	$-4096, T0
	BGEU	T0, A0, 2(PC)
	MOV	$-1, A0
	MOVW	A0, ret+8(FP)
	RET

	MOVV	name+0(FP), R5
	MOVW	mode+8(FP), R6
	MOVW	perm+12(FP), R7
	MOVV	$SYS_openat, R11
	SYSCALL
	MOVW	$-4096, R5
	BGEU	R5, R4, 2(PC)
	MOVW	$-1, R4
	MOVW	R4, ret+16(FP)
	RET

// func closefd(fd int32) int32
TEXT runtime·closefd(SB),NOSPLIT|NOFRAME,$0-12
	MOVW	fd+0(FP), R4
	MOVV	$SYS_close, R11
	SYSCALL
	MOVW	$-4096, R5
	BGEU	R5, R4, 2(PC)
	MOVW	$-1, R4
	MOVW	R4, ret+8(FP)
	RET

}

//go:nosplit
func open(name *byte, mode, perm int32) int32 {
	r, _ := syscall3(&libc_open, uintptr(unsafe.Pointer(name)), uintptr(mode), uintptr(perm))
	return int32(r)
}

//go:nosplit
func closefd(fd int32) int32 {
	r, _ := syscall1(&libc_close, uintptr(fd))
	return int32(r)
}

//go:nosplit
func pipe() (r, w int32, errno int32) {
	var p [2]int32

	var p [2]int32
	errno = libcCall(unsafe.Pointer(abi.FuncPCABI0(pipe_trampoline)), noescape(unsafe.Pointer(&p)))
	return p[0], p[1], errno
}
func pipe_trampoline()

//go:nosplit
//go:cgo_unsafe_args
func closefd(fd int32) int32 {
	return libcCall(unsafe.Pointer(abi.FuncPCABI0(close_trampoline)), unsafe.Pointer(&fd))
}
func close_trampoline()

// This is exported via linkname to assembly in runtime/cgo.
//
//go:nosplit