diff --git a/unix/asm_linux_386.s b/unix/asm_linux_386.s
index 4db29093..448bebbb 100644
--- a/unix/asm_linux_386.s
+++ b/unix/asm_linux_386.s
@@ -10,21 +10,51 @@
 // System calls for 386, Linux
 //
 
+// See ../runtime/sys_linux_386.s for the reason why we always use int 0x80
+// instead of the glibc-specific "CALL 0x10(GS)".
+#define INVOKE_SYSCALL	INT	$0x80
+
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.
 
-TEXT	·Syscall(SB),NOSPLIT,$0-28
+TEXT ·Syscall(SB),NOSPLIT,$0-28
 	JMP	syscall·Syscall(SB)
 
-TEXT	·Syscall6(SB),NOSPLIT,$0-40
+TEXT ·Syscall6(SB),NOSPLIT,$0-40
 	JMP	syscall·Syscall6(SB)
 
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-24
+	CALL	runtime·entersyscall(SB)
+	MOVL	trap+0(FP), AX  // syscall entry
+	MOVL	a1+4(FP), BX
+	MOVL	a2+8(FP), CX
+	MOVL	a3+12(FP), DX
+	MOVL	$0, SI
+	MOVL	$0, DI
+	INVOKE_SYSCALL
+	MOVL	AX, r1+16(FP)
+	MOVL	DX, r2+20(FP)
+	CALL	runtime·exitsyscall(SB)
+	RET
+
 TEXT ·RawSyscall(SB),NOSPLIT,$0-28
 	JMP	syscall·RawSyscall(SB)
 
-TEXT	·RawSyscall6(SB),NOSPLIT,$0-40
+TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
 	JMP	syscall·RawSyscall6(SB)
 
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-24
+	MOVL	trap+0(FP), AX  // syscall entry
+	MOVL	a1+4(FP), BX
+	MOVL	a2+8(FP), CX
+	MOVL	a3+12(FP), DX
+	MOVL	$0, SI
+	MOVL	$0, DI
+	INVOKE_SYSCALL
+	MOVL	AX, r1+16(FP)
+	MOVL	DX, r2+20(FP)
+	RET
+
 TEXT ·socketcall(SB),NOSPLIT,$0-36
 	JMP	syscall·socketcall(SB)
 
diff --git a/unix/asm_linux_amd64.s b/unix/asm_linux_amd64.s
index 44e25c62..c6468a95 100644
--- a/unix/asm_linux_amd64.s
+++ b/unix/asm_linux_amd64.s
@@ -13,17 +13,45 @@
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.
 
-TEXT	·Syscall(SB),NOSPLIT,$0-56
+TEXT ·Syscall(SB),NOSPLIT,$0-56
 	JMP	syscall·Syscall(SB)
 
 TEXT ·Syscall6(SB),NOSPLIT,$0-80
 	JMP	syscall·Syscall6(SB)
 
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
+	CALL	runtime·entersyscall(SB)
+	MOVQ	a1+8(FP), DI
+	MOVQ	a2+16(FP), SI
+	MOVQ	a3+24(FP), DX
+	MOVQ	$0, R10
+	MOVQ	$0, R8
+	MOVQ	$0, R9
+	MOVQ	trap+0(FP), AX	// syscall entry
+	SYSCALL
+	MOVQ	AX, r1+32(FP)
+	MOVQ	DX, r2+40(FP)
+	CALL	runtime·exitsyscall(SB)
+	RET
+
 TEXT ·RawSyscall(SB),NOSPLIT,$0-56
 	JMP	syscall·RawSyscall(SB)
 
 TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
 	JMP	syscall·RawSyscall6(SB)
 
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
+	MOVQ	a1+8(FP), DI
+	MOVQ	a2+16(FP), SI
+	MOVQ	a3+24(FP), DX
+	MOVQ	$0, R10
+	MOVQ	$0, R8
+	MOVQ	$0, R9
+	MOVQ	trap+0(FP), AX	// syscall entry
+	SYSCALL
+	MOVQ	AX, r1+32(FP)
+	MOVQ	DX, r2+40(FP)
+	RET
+
 TEXT ·gettimeofday(SB),NOSPLIT,$0-16
 	JMP	syscall·gettimeofday(SB)
diff --git a/unix/asm_linux_arm.s b/unix/asm_linux_arm.s
index cf0b5746..b90a883e 100644
--- a/unix/asm_linux_arm.s
+++ b/unix/asm_linux_arm.s
@@ -13,17 +13,45 @@
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.
 
-TEXT	·Syscall(SB),NOSPLIT,$0-28
+TEXT ·Syscall(SB),NOSPLIT,$0-28
 	B	syscall·Syscall(SB)
 
-TEXT	·Syscall6(SB),NOSPLIT,$0-40
+TEXT ·Syscall6(SB),NOSPLIT,$0-40
 	B	syscall·Syscall6(SB)
 
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-24
+	BL	runtime·entersyscall(SB)
+	MOVW	trap+0(FP), R7
+	MOVW	a1+4(FP), R0
+	MOVW	a2+8(FP), R1
+	MOVW	a3+12(FP), R2
+	MOVW	$0, R3
+	MOVW	$0, R4
+	MOVW	$0, R5
+	SWI	$0
+	MOVW	R0, r1+16(FP)
+	MOVW	$0, R0
+	MOVW	R0, r2+20(FP)
+	BL	runtime·exitsyscall(SB)
+	RET
+
+
 TEXT ·RawSyscall(SB),NOSPLIT,$0-28
 	B	syscall·RawSyscall(SB)
 
-TEXT	·RawSyscall6(SB),NOSPLIT,$0-40
+TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
 	B	syscall·RawSyscall6(SB)
 
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-24
+	MOVW	trap+0(FP), R7	// syscall entry
+	MOVW	a1+4(FP), R0
+	MOVW	a2+8(FP), R1
+	MOVW	a3+12(FP), R2
+	SWI	$0
+	MOVW	R0, r1+16(FP)
+	MOVW	$0, R0
+	MOVW	R0, r2+20(FP)
+	RET
+
 TEXT ·seek(SB),NOSPLIT,$0-32
 	B	syscall·seek(SB)
diff --git a/unix/asm_linux_arm64.s b/unix/asm_linux_arm64.s
index 4be9bfed..d84fd46a 100644
--- a/unix/asm_linux_arm64.s
+++ b/unix/asm_linux_arm64.s
@@ -11,14 +11,42 @@
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.
 
-TEXT	·Syscall(SB),NOSPLIT,$0-56
+TEXT ·Syscall(SB),NOSPLIT,$0-56
 	B	syscall·Syscall(SB)
 
 TEXT ·Syscall6(SB),NOSPLIT,$0-80
 	B	syscall·Syscall6(SB)
 
+TEXT ·Syscall(SB),NOSPLIT,$0-48
+	BL	runtime·entersyscall(SB)
+	MOVD	a1+8(FP), R0
+	MOVD	a2+16(FP), R1
+	MOVD	a3+24(FP), R2
+	MOVD	$0, R3
+	MOVD	$0, R4
+	MOVD	$0, R5
+	MOVD	trap+0(FP), R8	// syscall entry
+	SVC
+	MOVD	R0, r1+32(FP)	// r1
+	MOVD	R1, r2+40(FP)	// r2
+	BL	runtime·exitsyscall(SB)
+	RET
+
 TEXT ·RawSyscall(SB),NOSPLIT,$0-56
 	B	syscall·RawSyscall(SB)
 
 TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
 	B	syscall·RawSyscall6(SB)
+
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
+	MOVD	a1+8(FP), R0
+	MOVD	a2+16(FP), R1
+	MOVD	a3+24(FP), R2
+	MOVD	$0, R3
+	MOVD	$0, R4
+	MOVD	$0, R5
+	MOVD	trap+0(FP), R8	// syscall entry
+	SVC
+	MOVD	R0, r1+32(FP)
+	MOVD	R1, r2+40(FP)
+	RET
diff --git a/unix/asm_linux_mips64x.s b/unix/asm_linux_mips64x.s
index 724e580c..ab9d6383 100644
--- a/unix/asm_linux_mips64x.s
+++ b/unix/asm_linux_mips64x.s
@@ -15,14 +15,42 @@
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.
 
-TEXT	·Syscall(SB),NOSPLIT,$0-56
+TEXT ·Syscall(SB),NOSPLIT,$0-56
 	JMP	syscall·Syscall(SB)
 
-TEXT	·Syscall6(SB),NOSPLIT,$0-80
+TEXT ·Syscall6(SB),NOSPLIT,$0-80
 	JMP	syscall·Syscall6(SB)
 
-TEXT	·RawSyscall(SB),NOSPLIT,$0-56
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
+	JAL	runtime·entersyscall(SB)
+	MOVV	a1+8(FP), R4
+	MOVV	a2+16(FP), R5
+	MOVV	a3+24(FP), R6
+	MOVV	R0, R7
+	MOVV	R0, R8
+	MOVV	R0, R9
+	MOVV	trap+0(FP), R2	// syscall entry
+	SYSCALL
+	MOVV	R2, r1+32(FP)
+	MOVV	R3, r2+40(FP)
+	JAL	runtime·exitsyscall(SB)
+	RET
+
+TEXT ·RawSyscall(SB),NOSPLIT,$0-56
 	JMP	syscall·RawSyscall(SB)
 
-TEXT	·RawSyscall6(SB),NOSPLIT,$0-80
+TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
 	JMP	syscall·RawSyscall6(SB)
+
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
+	MOVV	a1+8(FP), R4
+	MOVV	a2+16(FP), R5
+	MOVV	a3+24(FP), R6
+	MOVV	R0, R7
+	MOVV	R0, R8
+	MOVV	R0, R9
+	MOVV	trap+0(FP), R2	// syscall entry
+	SYSCALL
+	MOVV	R2, r1+32(FP)
+	MOVV	R3, r2+40(FP)
+	RET
diff --git a/unix/asm_linux_mipsx.s b/unix/asm_linux_mipsx.s
index 2ea42575..99e53990 100644
--- a/unix/asm_linux_mipsx.s
+++ b/unix/asm_linux_mipsx.s
@@ -15,17 +15,40 @@
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.
 
-TEXT	·Syscall(SB),NOSPLIT,$0-28
+TEXT ·Syscall(SB),NOSPLIT,$0-28
 	JMP syscall·Syscall(SB)
 
-TEXT	·Syscall6(SB),NOSPLIT,$0-40
+TEXT ·Syscall6(SB),NOSPLIT,$0-40
 	JMP syscall·Syscall6(SB)
 
-TEXT	·Syscall9(SB),NOSPLIT,$0-52
+TEXT ·Syscall9(SB),NOSPLIT,$0-52
 	JMP syscall·Syscall9(SB)
 
-TEXT	·RawSyscall(SB),NOSPLIT,$0-28
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-24
+	JAL	runtime·entersyscall(SB)
+	MOVW	a1+4(FP), R4
+	MOVW	a2+8(FP), R5
+	MOVW	a3+12(FP), R6
+	MOVW	R0, R7
+	MOVW	trap+0(FP), R2	// syscall entry
+	SYSCALL
+	MOVW	R2, r1+16(FP)	// r1
+	MOVW	R3, r2+20(FP)	// r2
+	JAL	runtime·exitsyscall(SB)
+	RET
+
+TEXT ·RawSyscall(SB),NOSPLIT,$0-28
 	JMP syscall·RawSyscall(SB)
 
-TEXT	·RawSyscall6(SB),NOSPLIT,$0-40
+TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
 	JMP syscall·RawSyscall6(SB)
+
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-24
+	MOVW	a1+4(FP), R4
+	MOVW	a2+8(FP), R5
+	MOVW	a3+12(FP), R6
+	MOVW	trap+0(FP), R2	// syscall entry
+	SYSCALL
+	MOVW	R2, r1+16(FP)
+	MOVW	R3, r2+20(FP)
+	RET
diff --git a/unix/asm_linux_ppc64x.s b/unix/asm_linux_ppc64x.s
index 8d231feb..649e5871 100644
--- a/unix/asm_linux_ppc64x.s
+++ b/unix/asm_linux_ppc64x.s
@@ -15,14 +15,42 @@
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.
 
-TEXT	·Syscall(SB),NOSPLIT,$0-56
+TEXT ·Syscall(SB),NOSPLIT,$0-56
 	BR	syscall·Syscall(SB)
 
 TEXT ·Syscall6(SB),NOSPLIT,$0-80
 	BR	syscall·Syscall6(SB)
 
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
+	BL	runtime·entersyscall(SB)
+	MOVD	a1+8(FP), R3
+	MOVD	a2+16(FP), R4
+	MOVD	a3+24(FP), R5
+	MOVD	R0, R6
+	MOVD	R0, R7
+	MOVD	R0, R8
+	MOVD	trap+0(FP), R9	// syscall entry
+	SYSCALL R9
+	MOVD	R3, r1+32(FP)
+	MOVD	R4, r2+40(FP)
+	BL	runtime·exitsyscall(SB)
+	RET
+
 TEXT ·RawSyscall(SB),NOSPLIT,$0-56
 	BR	syscall·RawSyscall(SB)
 
 TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
 	BR	syscall·RawSyscall6(SB)
+
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
+	MOVD	a1+8(FP), R3
+	MOVD	a2+16(FP), R4
+	MOVD	a3+24(FP), R5
+	MOVD	R0, R6
+	MOVD	R0, R7
+	MOVD	R0, R8
+	MOVD	trap+0(FP), R9	// syscall entry
+	SYSCALL R9
+	MOVD	R3, r1+32(FP)
+	MOVD	R4, r2+40(FP)
+	RET
diff --git a/unix/asm_linux_s390x.s b/unix/asm_linux_s390x.s
index 11889859..a5a863c6 100644
--- a/unix/asm_linux_s390x.s
+++ b/unix/asm_linux_s390x.s
@@ -21,8 +21,36 @@ TEXT ·Syscall(SB),NOSPLIT,$0-56
 TEXT ·Syscall6(SB),NOSPLIT,$0-80
 	BR	syscall·Syscall6(SB)
 
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
+	BL	runtime·entersyscall(SB)
+	MOVD	a1+8(FP), R2
+	MOVD	a2+16(FP), R3
+	MOVD	a3+24(FP), R4
+	MOVD	$0, R5
+	MOVD	$0, R6
+	MOVD	$0, R7
+	MOVD	trap+0(FP), R1	// syscall entry
+	SYSCALL
+	MOVD	R2, r1+32(FP)
+	MOVD	R3, r2+40(FP)
+	BL	runtime·exitsyscall(SB)
+	RET
+
 TEXT ·RawSyscall(SB),NOSPLIT,$0-56
 	BR	syscall·RawSyscall(SB)
 
 TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
 	BR	syscall·RawSyscall6(SB)
+
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
+	MOVD	a1+8(FP), R2
+	MOVD	a2+16(FP), R3
+	MOVD	a3+24(FP), R4
+	MOVD	$0, R5
+	MOVD	$0, R6
+	MOVD	$0, R7
+	MOVD	trap+0(FP), R1	// syscall entry
+	SYSCALL
+	MOVD	R2, r1+32(FP)
+	MOVD	R3, r2+40(FP)
+	RET
diff --git a/unix/mksyscall.pl b/unix/mksyscall.pl
index fb929b4c..73e26caf 100755
--- a/unix/mksyscall.pl
+++ b/unix/mksyscall.pl
@@ -210,7 +210,15 @@ while(<>) {
 	# Determine which form to use; pad args with zeros.
 	my $asm = "Syscall";
 	if ($nonblock) {
-		$asm = "RawSyscall";
+		if ($errvar ne "") {
+			$asm = "RawSyscall";
+		} else {
+			$asm = "RawSyscallNoError";
+		}
+	} else {
+		if ($errvar eq "") {
+			$asm = "SyscallNoError";
+		}
 	}
 	if(@args <= 3) {
 		while(@args < 3) {
@@ -284,7 +292,11 @@ while(<>) {
 	if ($ret[0] eq "_" && $ret[1] eq "_" && $ret[2] eq "_") {
 		$text .= "\t$call\n";
 	} else {
-		$text .= "\t$ret[0], $ret[1], $ret[2] := $call\n";
+		if ($errvar ne "") {
+			$text .= "\t$ret[0], $ret[1], $ret[2] := $call\n";
+		} else {
+			$text .= "\t$ret[0], $ret[1] := $call\n";
+		}
 	}
 	$text .= $body;
 
diff --git a/unix/syscall_linux.go b/unix/syscall_linux.go
index 60b97a35..f77f44a5 100644
--- a/unix/syscall_linux.go
+++ b/unix/syscall_linux.go
@@ -16,6 +16,13 @@ import (
 	"unsafe"
 )
 
+// SyscallNoError may be used instead of Syscall for syscalls that don't fail.
+func SyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr)
+
+// RawSyscallNoError may be used instead of RawSyscall for syscalls that don't
+// fail.
+func RawSyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr)
+
 /*
  * Wrapped
  */
diff --git a/unix/zsyscall_linux_386.go b/unix/zsyscall_linux_386.go
index e441cc3e..dcb95473 100644
--- a/unix/zsyscall_linux_386.go
+++ b/unix/zsyscall_linux_386.go
@@ -538,7 +538,7 @@ func Eventfd(initval uint, flags int) (fd int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Exit(code int) {
-	Syscall(SYS_EXIT_GROUP, uintptr(code), 0, 0)
+	SyscallNoError(SYS_EXIT_GROUP, uintptr(code), 0, 0)
 	return
 }
 
@@ -674,7 +674,7 @@ func Getpgid(pid int) (pgid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPID, 0, 0, 0)
 	pid = int(r0)
 	return
 }
@@ -682,7 +682,7 @@ func Getpid() (pid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPPID, 0, 0, 0)
 	ppid = int(r0)
 	return
 }
@@ -739,7 +739,7 @@ func Getsid(pid int) (sid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Gettid() (tid int) {
-	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
 	return
 }
@@ -1239,7 +1239,7 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Sync() {
-	Syscall(SYS_SYNC, 0, 0, 0)
+	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return
 }
 
@@ -1298,7 +1298,7 @@ func Times(tms *Tms) (ticks uintptr, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Umask(mask int) (oldmask int) {
-	r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
+	r0, _ := RawSyscallNoError(SYS_UMASK, uintptr(mask), 0, 0)
 	oldmask = int(r0)
 	return
 }
@@ -1595,7 +1595,7 @@ func Ftruncate(fd int, length int64) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID32, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEGID32, 0, 0, 0)
 	egid = int(r0)
 	return
 }
@@ -1603,7 +1603,7 @@ func Getegid() (egid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Geteuid() (euid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID32, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEUID32, 0, 0, 0)
 	euid = int(r0)
 	return
 }
@@ -1611,7 +1611,7 @@ func Geteuid() (euid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID32, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETGID32, 0, 0, 0)
 	gid = int(r0)
 	return
 }
@@ -1619,7 +1619,7 @@ func Getgid() (gid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID32, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETUID32, 0, 0, 0)
 	uid = int(r0)
 	return
 }
diff --git a/unix/zsyscall_linux_amd64.go b/unix/zsyscall_linux_amd64.go
index 083a08d4..badf57ee 100644
--- a/unix/zsyscall_linux_amd64.go
+++ b/unix/zsyscall_linux_amd64.go
@@ -538,7 +538,7 @@ func Eventfd(initval uint, flags int) (fd int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Exit(code int) {
-	Syscall(SYS_EXIT_GROUP, uintptr(code), 0, 0)
+	SyscallNoError(SYS_EXIT_GROUP, uintptr(code), 0, 0)
 	return
 }
 
@@ -674,7 +674,7 @@ func Getpgid(pid int) (pgid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPID, 0, 0, 0)
 	pid = int(r0)
 	return
 }
@@ -682,7 +682,7 @@ func Getpid() (pid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPPID, 0, 0, 0)
 	ppid = int(r0)
 	return
 }
@@ -739,7 +739,7 @@ func Getsid(pid int) (sid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Gettid() (tid int) {
-	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
 	return
 }
@@ -1239,7 +1239,7 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Sync() {
-	Syscall(SYS_SYNC, 0, 0, 0)
+	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return
 }
 
@@ -1298,7 +1298,7 @@ func Times(tms *Tms) (ticks uintptr, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Umask(mask int) (oldmask int) {
-	r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
+	r0, _ := RawSyscallNoError(SYS_UMASK, uintptr(mask), 0, 0)
 	oldmask = int(r0)
 	return
 }
@@ -1602,7 +1602,7 @@ func Ftruncate(fd int, length int64) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEGID, 0, 0, 0)
 	egid = int(r0)
 	return
 }
@@ -1610,7 +1610,7 @@ func Getegid() (egid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Geteuid() (euid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEUID, 0, 0, 0)
 	euid = int(r0)
 	return
 }
@@ -1618,7 +1618,7 @@ func Geteuid() (euid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETGID, 0, 0, 0)
 	gid = int(r0)
 	return
 }
@@ -1636,7 +1636,7 @@ func Getrlimit(resource int, rlim *Rlimit) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETUID, 0, 0, 0)
 	uid = int(r0)
 	return
 }
diff --git a/unix/zsyscall_linux_arm.go b/unix/zsyscall_linux_arm.go
index 24829376..69765c3a 100644
--- a/unix/zsyscall_linux_arm.go
+++ b/unix/zsyscall_linux_arm.go
@@ -538,7 +538,7 @@ func Eventfd(initval uint, flags int) (fd int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Exit(code int) {
-	Syscall(SYS_EXIT_GROUP, uintptr(code), 0, 0)
+	SyscallNoError(SYS_EXIT_GROUP, uintptr(code), 0, 0)
 	return
 }
 
@@ -674,7 +674,7 @@ func Getpgid(pid int) (pgid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPID, 0, 0, 0)
 	pid = int(r0)
 	return
 }
@@ -682,7 +682,7 @@ func Getpid() (pid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPPID, 0, 0, 0)
 	ppid = int(r0)
 	return
 }
@@ -739,7 +739,7 @@ func Getsid(pid int) (sid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Gettid() (tid int) {
-	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
 	return
 }
@@ -1239,7 +1239,7 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Sync() {
-	Syscall(SYS_SYNC, 0, 0, 0)
+	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return
 }
 
@@ -1298,7 +1298,7 @@ func Times(tms *Tms) (ticks uintptr, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Umask(mask int) (oldmask int) {
-	r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
+	r0, _ := RawSyscallNoError(SYS_UMASK, uintptr(mask), 0, 0)
 	oldmask = int(r0)
 	return
 }
@@ -1744,7 +1744,7 @@ func Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID32, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEGID32, 0, 0, 0)
 	egid = int(r0)
 	return
 }
@@ -1752,7 +1752,7 @@ func Getegid() (egid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Geteuid() (euid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID32, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEUID32, 0, 0, 0)
 	euid = int(r0)
 	return
 }
@@ -1760,7 +1760,7 @@ func Geteuid() (euid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID32, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETGID32, 0, 0, 0)
 	gid = int(r0)
 	return
 }
@@ -1768,7 +1768,7 @@ func Getgid() (gid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID32, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETUID32, 0, 0, 0)
 	uid = int(r0)
 	return
 }
diff --git a/unix/zsyscall_linux_arm64.go b/unix/zsyscall_linux_arm64.go
index 40760110..dc8e6422 100644
--- a/unix/zsyscall_linux_arm64.go
+++ b/unix/zsyscall_linux_arm64.go
@@ -538,7 +538,7 @@ func Eventfd(initval uint, flags int) (fd int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Exit(code int) {
-	Syscall(SYS_EXIT_GROUP, uintptr(code), 0, 0)
+	SyscallNoError(SYS_EXIT_GROUP, uintptr(code), 0, 0)
 	return
 }
 
@@ -674,7 +674,7 @@ func Getpgid(pid int) (pgid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPID, 0, 0, 0)
 	pid = int(r0)
 	return
 }
@@ -682,7 +682,7 @@ func Getpid() (pid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPPID, 0, 0, 0)
 	ppid = int(r0)
 	return
 }
@@ -739,7 +739,7 @@ func Getsid(pid int) (sid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Gettid() (tid int) {
-	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
 	return
 }
@@ -1239,7 +1239,7 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Sync() {
-	Syscall(SYS_SYNC, 0, 0, 0)
+	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return
 }
 
@@ -1298,7 +1298,7 @@ func Times(tms *Tms) (ticks uintptr, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Umask(mask int) (oldmask int) {
-	r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
+	r0, _ := RawSyscallNoError(SYS_UMASK, uintptr(mask), 0, 0)
 	oldmask = int(r0)
 	return
 }
@@ -1582,7 +1582,7 @@ func Ftruncate(fd int, length int64) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEGID, 0, 0, 0)
 	egid = int(r0)
 	return
 }
@@ -1590,7 +1590,7 @@ func Getegid() (egid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Geteuid() (euid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEUID, 0, 0, 0)
 	euid = int(r0)
 	return
 }
@@ -1598,7 +1598,7 @@ func Geteuid() (euid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETGID, 0, 0, 0)
 	gid = int(r0)
 	return
 }
@@ -1616,7 +1616,7 @@ func Getrlimit(resource int, rlim *Rlimit) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETUID, 0, 0, 0)
 	uid = int(r0)
 	return
 }
diff --git a/unix/zsyscall_linux_mips.go b/unix/zsyscall_linux_mips.go
index 10322c94..59f50c8c 100644
--- a/unix/zsyscall_linux_mips.go
+++ b/unix/zsyscall_linux_mips.go
@@ -538,7 +538,7 @@ func Eventfd(initval uint, flags int) (fd int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Exit(code int) {
-	Syscall(SYS_EXIT_GROUP, uintptr(code), 0, 0)
+	SyscallNoError(SYS_EXIT_GROUP, uintptr(code), 0, 0)
 	return
 }
 
@@ -674,7 +674,7 @@ func Getpgid(pid int) (pgid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPID, 0, 0, 0)
 	pid = int(r0)
 	return
 }
@@ -682,7 +682,7 @@ func Getpid() (pid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPPID, 0, 0, 0)
 	ppid = int(r0)
 	return
 }
@@ -739,7 +739,7 @@ func Getsid(pid int) (sid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Gettid() (tid int) {
-	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
 	return
 }
@@ -1239,7 +1239,7 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Sync() {
-	Syscall(SYS_SYNC, 0, 0, 0)
+	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return
 }
 
@@ -1298,7 +1298,7 @@ func Times(tms *Tms) (ticks uintptr, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Umask(mask int) (oldmask int) {
-	r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
+	r0, _ := RawSyscallNoError(SYS_UMASK, uintptr(mask), 0, 0)
 	oldmask = int(r0)
 	return
 }
@@ -1540,7 +1540,7 @@ func Ftruncate(fd int, length int64) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEGID, 0, 0, 0)
 	egid = int(r0)
 	return
 }
@@ -1548,7 +1548,7 @@ func Getegid() (egid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Geteuid() (euid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEUID, 0, 0, 0)
 	euid = int(r0)
 	return
 }
@@ -1556,7 +1556,7 @@ func Geteuid() (euid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETGID, 0, 0, 0)
 	gid = int(r0)
 	return
 }
@@ -1564,7 +1564,7 @@ func Getgid() (gid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETUID, 0, 0, 0)
 	uid = int(r0)
 	return
 }
diff --git a/unix/zsyscall_linux_mips64.go b/unix/zsyscall_linux_mips64.go
index 723e90ef..38033805 100644
--- a/unix/zsyscall_linux_mips64.go
+++ b/unix/zsyscall_linux_mips64.go
@@ -538,7 +538,7 @@ func Eventfd(initval uint, flags int) (fd int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Exit(code int) {
-	Syscall(SYS_EXIT_GROUP, uintptr(code), 0, 0)
+	SyscallNoError(SYS_EXIT_GROUP, uintptr(code), 0, 0)
 	return
 }
 
@@ -674,7 +674,7 @@ func Getpgid(pid int) (pgid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPID, 0, 0, 0)
 	pid = int(r0)
 	return
 }
@@ -682,7 +682,7 @@ func Getpid() (pid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPPID, 0, 0, 0)
 	ppid = int(r0)
 	return
 }
@@ -739,7 +739,7 @@ func Getsid(pid int) (sid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Gettid() (tid int) {
-	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
 	return
 }
@@ -1239,7 +1239,7 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Sync() {
-	Syscall(SYS_SYNC, 0, 0, 0)
+	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return
 }
 
@@ -1298,7 +1298,7 @@ func Times(tms *Tms) (ticks uintptr, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Umask(mask int) (oldmask int) {
-	r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
+	r0, _ := RawSyscallNoError(SYS_UMASK, uintptr(mask), 0, 0)
 	oldmask = int(r0)
 	return
 }
@@ -1582,7 +1582,7 @@ func Ftruncate(fd int, length int64) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEGID, 0, 0, 0)
 	egid = int(r0)
 	return
 }
@@ -1590,7 +1590,7 @@ func Getegid() (egid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Geteuid() (euid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEUID, 0, 0, 0)
 	euid = int(r0)
 	return
 }
@@ -1598,7 +1598,7 @@ func Geteuid() (euid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETGID, 0, 0, 0)
 	gid = int(r0)
 	return
 }
@@ -1616,7 +1616,7 @@ func Getrlimit(resource int, rlim *Rlimit) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETUID, 0, 0, 0)
 	uid = int(r0)
 	return
 }
diff --git a/unix/zsyscall_linux_mips64le.go b/unix/zsyscall_linux_mips64le.go
index d4c78d4b..fee2f853 100644
--- a/unix/zsyscall_linux_mips64le.go
+++ b/unix/zsyscall_linux_mips64le.go
@@ -538,7 +538,7 @@ func Eventfd(initval uint, flags int) (fd int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Exit(code int) {
-	Syscall(SYS_EXIT_GROUP, uintptr(code), 0, 0)
+	SyscallNoError(SYS_EXIT_GROUP, uintptr(code), 0, 0)
 	return
 }
 
@@ -674,7 +674,7 @@ func Getpgid(pid int) (pgid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPID, 0, 0, 0)
 	pid = int(r0)
 	return
 }
@@ -682,7 +682,7 @@ func Getpid() (pid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPPID, 0, 0, 0)
 	ppid = int(r0)
 	return
 }
@@ -739,7 +739,7 @@ func Getsid(pid int) (sid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Gettid() (tid int) {
-	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
 	return
 }
@@ -1239,7 +1239,7 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Sync() {
-	Syscall(SYS_SYNC, 0, 0, 0)
+	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return
 }
 
@@ -1298,7 +1298,7 @@ func Times(tms *Tms) (ticks uintptr, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Umask(mask int) (oldmask int) {
-	r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
+	r0, _ := RawSyscallNoError(SYS_UMASK, uintptr(mask), 0, 0)
 	oldmask = int(r0)
 	return
 }
@@ -1582,7 +1582,7 @@ func Ftruncate(fd int, length int64) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEGID, 0, 0, 0)
 	egid = int(r0)
 	return
 }
@@ -1590,7 +1590,7 @@ func Getegid() (egid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Geteuid() (euid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEUID, 0, 0, 0)
 	euid = int(r0)
 	return
 }
@@ -1598,7 +1598,7 @@ func Geteuid() (euid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETGID, 0, 0, 0)
 	gid = int(r0)
 	return
 }
@@ -1616,7 +1616,7 @@ func Getrlimit(resource int, rlim *Rlimit) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETUID, 0, 0, 0)
 	uid = int(r0)
 	return
 }
diff --git a/unix/zsyscall_linux_mipsle.go b/unix/zsyscall_linux_mipsle.go
index bd2f491c..4094d3d1 100644
--- a/unix/zsyscall_linux_mipsle.go
+++ b/unix/zsyscall_linux_mipsle.go
@@ -538,7 +538,7 @@ func Eventfd(initval uint, flags int) (fd int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Exit(code int) {
-	Syscall(SYS_EXIT_GROUP, uintptr(code), 0, 0)
+	SyscallNoError(SYS_EXIT_GROUP, uintptr(code), 0, 0)
 	return
 }
 
@@ -674,7 +674,7 @@ func Getpgid(pid int) (pgid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPID, 0, 0, 0)
 	pid = int(r0)
 	return
 }
@@ -682,7 +682,7 @@ func Getpid() (pid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPPID, 0, 0, 0)
 	ppid = int(r0)
 	return
 }
@@ -739,7 +739,7 @@ func Getsid(pid int) (sid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Gettid() (tid int) {
-	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
 	return
 }
@@ -1239,7 +1239,7 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Sync() {
-	Syscall(SYS_SYNC, 0, 0, 0)
+	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return
 }
 
@@ -1298,7 +1298,7 @@ func Times(tms *Tms) (ticks uintptr, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Umask(mask int) (oldmask int) {
-	r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
+	r0, _ := RawSyscallNoError(SYS_UMASK, uintptr(mask), 0, 0)
 	oldmask = int(r0)
 	return
 }
@@ -1540,7 +1540,7 @@ func Ftruncate(fd int, length int64) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEGID, 0, 0, 0)
 	egid = int(r0)
 	return
 }
@@ -1548,7 +1548,7 @@ func Getegid() (egid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Geteuid() (euid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEUID, 0, 0, 0)
 	euid = int(r0)
 	return
 }
@@ -1556,7 +1556,7 @@ func Geteuid() (euid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETGID, 0, 0, 0)
 	gid = int(r0)
 	return
 }
@@ -1564,7 +1564,7 @@ func Getgid() (gid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETUID, 0, 0, 0)
 	uid = int(r0)
 	return
 }
diff --git a/unix/zsyscall_linux_ppc64.go b/unix/zsyscall_linux_ppc64.go
index 5c46e647..d83bafb3 100644
--- a/unix/zsyscall_linux_ppc64.go
+++ b/unix/zsyscall_linux_ppc64.go
@@ -538,7 +538,7 @@ func Eventfd(initval uint, flags int) (fd int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Exit(code int) {
-	Syscall(SYS_EXIT_GROUP, uintptr(code), 0, 0)
+	SyscallNoError(SYS_EXIT_GROUP, uintptr(code), 0, 0)
 	return
 }
 
@@ -674,7 +674,7 @@ func Getpgid(pid int) (pgid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPID, 0, 0, 0)
 	pid = int(r0)
 	return
 }
@@ -682,7 +682,7 @@ func Getpid() (pid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPPID, 0, 0, 0)
 	ppid = int(r0)
 	return
 }
@@ -739,7 +739,7 @@ func Getsid(pid int) (sid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Gettid() (tid int) {
-	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
 	return
 }
@@ -1239,7 +1239,7 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Sync() {
-	Syscall(SYS_SYNC, 0, 0, 0)
+	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return
 }
 
@@ -1298,7 +1298,7 @@ func Times(tms *Tms) (ticks uintptr, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Umask(mask int) (oldmask int) {
-	r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
+	r0, _ := RawSyscallNoError(SYS_UMASK, uintptr(mask), 0, 0)
 	oldmask = int(r0)
 	return
 }
@@ -1592,7 +1592,7 @@ func Ftruncate(fd int, length int64) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEGID, 0, 0, 0)
 	egid = int(r0)
 	return
 }
@@ -1600,7 +1600,7 @@ func Getegid() (egid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Geteuid() (euid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEUID, 0, 0, 0)
 	euid = int(r0)
 	return
 }
@@ -1608,7 +1608,7 @@ func Geteuid() (euid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETGID, 0, 0, 0)
 	gid = int(r0)
 	return
 }
@@ -1626,7 +1626,7 @@ func Getrlimit(resource int, rlim *Rlimit) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETUID, 0, 0, 0)
 	uid = int(r0)
 	return
 }
diff --git a/unix/zsyscall_linux_ppc64le.go b/unix/zsyscall_linux_ppc64le.go
index 9ef023d4..460971c0 100644
--- a/unix/zsyscall_linux_ppc64le.go
+++ b/unix/zsyscall_linux_ppc64le.go
@@ -538,7 +538,7 @@ func Eventfd(initval uint, flags int) (fd int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Exit(code int) {
-	Syscall(SYS_EXIT_GROUP, uintptr(code), 0, 0)
+	SyscallNoError(SYS_EXIT_GROUP, uintptr(code), 0, 0)
 	return
 }
 
@@ -674,7 +674,7 @@ func Getpgid(pid int) (pgid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPID, 0, 0, 0)
 	pid = int(r0)
 	return
 }
@@ -682,7 +682,7 @@ func Getpid() (pid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPPID, 0, 0, 0)
 	ppid = int(r0)
 	return
 }
@@ -739,7 +739,7 @@ func Getsid(pid int) (sid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Gettid() (tid int) {
-	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
 	return
 }
@@ -1239,7 +1239,7 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Sync() {
-	Syscall(SYS_SYNC, 0, 0, 0)
+	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return
 }
 
@@ -1298,7 +1298,7 @@ func Times(tms *Tms) (ticks uintptr, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Umask(mask int) (oldmask int) {
-	r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
+	r0, _ := RawSyscallNoError(SYS_UMASK, uintptr(mask), 0, 0)
 	oldmask = int(r0)
 	return
 }
@@ -1592,7 +1592,7 @@ func Ftruncate(fd int, length int64) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEGID, 0, 0, 0)
 	egid = int(r0)
 	return
 }
@@ -1600,7 +1600,7 @@ func Getegid() (egid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Geteuid() (euid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEUID, 0, 0, 0)
 	euid = int(r0)
 	return
 }
@@ -1608,7 +1608,7 @@ func Geteuid() (euid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETGID, 0, 0, 0)
 	gid = int(r0)
 	return
 }
@@ -1626,7 +1626,7 @@ func Getrlimit(resource int, rlim *Rlimit) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETUID, 0, 0, 0)
 	uid = int(r0)
 	return
 }
diff --git a/unix/zsyscall_linux_s390x.go b/unix/zsyscall_linux_s390x.go
index 21e7d019..b7ef121b 100644
--- a/unix/zsyscall_linux_s390x.go
+++ b/unix/zsyscall_linux_s390x.go
@@ -538,7 +538,7 @@ func Eventfd(initval uint, flags int) (fd int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Exit(code int) {
-	Syscall(SYS_EXIT_GROUP, uintptr(code), 0, 0)
+	SyscallNoError(SYS_EXIT_GROUP, uintptr(code), 0, 0)
 	return
 }
 
@@ -674,7 +674,7 @@ func Getpgid(pid int) (pgid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getpid() (pid int) {
-	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPID, 0, 0, 0)
 	pid = int(r0)
 	return
 }
@@ -682,7 +682,7 @@ func Getpid() (pid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getppid() (ppid int) {
-	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETPPID, 0, 0, 0)
 	ppid = int(r0)
 	return
 }
@@ -739,7 +739,7 @@ func Getsid(pid int) (sid int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Gettid() (tid int) {
-	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
 	return
 }
@@ -1239,7 +1239,7 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Sync() {
-	Syscall(SYS_SYNC, 0, 0, 0)
+	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return
 }
 
@@ -1298,7 +1298,7 @@ func Times(tms *Tms) (ticks uintptr, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Umask(mask int) (oldmask int) {
-	r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
+	r0, _ := RawSyscallNoError(SYS_UMASK, uintptr(mask), 0, 0)
 	oldmask = int(r0)
 	return
 }
@@ -1602,7 +1602,7 @@ func Ftruncate(fd int, length int64) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getegid() (egid int) {
-	r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEGID, 0, 0, 0)
 	egid = int(r0)
 	return
 }
@@ -1610,7 +1610,7 @@ func Getegid() (egid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Geteuid() (euid int) {
-	r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETEUID, 0, 0, 0)
 	euid = int(r0)
 	return
 }
@@ -1618,7 +1618,7 @@ func Geteuid() (euid int) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getgid() (gid int) {
-	r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETGID, 0, 0, 0)
 	gid = int(r0)
 	return
 }
@@ -1636,7 +1636,7 @@ func Getrlimit(resource int, rlim *Rlimit) (err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func Getuid() (uid int) {
-	r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
+	r0, _ := RawSyscallNoError(SYS_GETUID, 0, 0, 0)
 	uid = int(r0)
 	return
 }