unix: add KexecFileLoad on linux/{amd64,ppc64x,s390x}

Add a wrapper for the kexec_file_load syscall on the architectures that
implement it (amd64, ppc64x, s390x). See
http://man7.org/linux/man-pages/man2/kexec_file_load.2.html

Change-Id: Ie29f871902176610a6ba7ed0a7bcc95c10eb172b
Reviewed-on: https://go-review.googlesource.com/c/140037
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

unix/mkerrors.sh

@@ -193,6 +193,7 @@ struct ltchars {
 #include <linux/falloc.h>
 #include <linux/filter.h>
 #include <linux/fs.h>
+#include <linux/kexec.h>
 #include <linux/keyctl.h>
 #include <linux/magic.h>
 #include <linux/memfd.h>
@@ -445,6 +446,7 @@ ccflags="$@"
 		$2 ~ /^(MS|MNT|UMOUNT)_/ ||
 		$2 ~ /^TUN(SET|GET|ATTACH|DETACH)/ ||
 		$2 ~ /^(O|F|E?FD|NAME|S|PTRACE|PT)_/ ||
+		$2 ~ /^KEXEC_/ ||
 		$2 ~ /^LINUX_REBOOT_CMD_/ ||
 		$2 ~ /^LINUX_REBOOT_MAGIC[12]$/ ||
 		$2 !~ "NLA_TYPE_MASK" &&

unix/syscall_linux_amd64.go

@@ -160,3 +160,16 @@ func Poll(fds []PollFd, timeout int) (n int, err error) {
 	}
 	return poll(&fds[0], len(fds), timeout)
 }
+
+//sys	kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error)
+
+func KexecFileLoad(kernelFd int, initrdFd int, cmdline string, flags int) error {
+	cmdlineLen := len(cmdline)
+	if cmdlineLen > 0 {
+		// Account for the additional NULL byte added by
+		// BytePtrFromString in kexecFileLoad. The kexec_file_load
+		// syscall expects a NULL-terminated string.
+		cmdlineLen++
+	}
+	return kexecFileLoad(kernelFd, initrdFd, cmdlineLen, cmdline, flags)
+}

unix/syscall_linux_ppc64x.go

@@ -136,3 +136,16 @@ func SyncFileRange(fd int, off int64, n int64, flags int) error {
 	// order of their arguments.
 	return syncFileRange2(fd, flags, off, n)
 }
+
+//sys	kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error)
+
+func KexecFileLoad(kernelFd int, initrdFd int, cmdline string, flags int) error {
+	cmdlineLen := len(cmdline)
+	if cmdlineLen > 0 {
+		// Account for the additional NULL byte added by
+		// BytePtrFromString in kexecFileLoad. The kexec_file_load
+		// syscall expects a NULL-terminated string.
+		cmdlineLen++
+	}
+	return kexecFileLoad(kernelFd, initrdFd, cmdlineLen, cmdline, flags)
+}

unix/syscall_linux_s390x.go

@@ -322,3 +322,16 @@ func Poll(fds []PollFd, timeout int) (n int, err error) {
 	}
 	return poll(&fds[0], len(fds), timeout)
 }
+
+//sys	kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error)
+
+func KexecFileLoad(kernelFd int, initrdFd int, cmdline string, flags int) error {
+	cmdlineLen := len(cmdline)
+	if cmdlineLen > 0 {
+		// Account for the additional NULL byte added by
+		// BytePtrFromString in kexecFileLoad. The kexec_file_load
+		// syscall expects a NULL-terminated string.
+		cmdlineLen++
+	}
+	return kexecFileLoad(kernelFd, initrdFd, cmdlineLen, cmdline, flags)
+}

unix/zerrors_linux_386.go

@@ -879,6 +879,26 @@ const (
 	IXOFF                                = 0x1000
 	IXON                                 = 0x400
 	JFFS2_SUPER_MAGIC                    = 0x72b6
+	KEXEC_ARCH_386                       = 0x30000
+	KEXEC_ARCH_68K                       = 0x40000
+	KEXEC_ARCH_AARCH64                   = 0xb70000
+	KEXEC_ARCH_ARM                       = 0x280000
+	KEXEC_ARCH_DEFAULT                   = 0x0
+	KEXEC_ARCH_IA_64                     = 0x320000
+	KEXEC_ARCH_MASK                      = 0xffff0000
+	KEXEC_ARCH_MIPS                      = 0x80000
+	KEXEC_ARCH_MIPS_LE                   = 0xa0000
+	KEXEC_ARCH_PPC                       = 0x140000
+	KEXEC_ARCH_PPC64                     = 0x150000
+	KEXEC_ARCH_S390                      = 0x160000
+	KEXEC_ARCH_SH                        = 0x2a0000
+	KEXEC_ARCH_X86_64                    = 0x3e0000
+	KEXEC_FILE_NO_INITRAMFS              = 0x4
+	KEXEC_FILE_ON_CRASH                  = 0x2
+	KEXEC_FILE_UNLOAD                    = 0x1
+	KEXEC_ON_CRASH                       = 0x1
+	KEXEC_PRESERVE_CONTEXT               = 0x2
+	KEXEC_SEGMENT_MAX                    = 0x10
 	KEYCTL_ASSUME_AUTHORITY              = 0x10
 	KEYCTL_CHOWN                         = 0x4
 	KEYCTL_CLEAR                         = 0x7

unix/zerrors_linux_amd64.go

@@ -879,6 +879,26 @@ const (
 	IXOFF                                = 0x1000
 	IXON                                 = 0x400
 	JFFS2_SUPER_MAGIC                    = 0x72b6
+	KEXEC_ARCH_386                       = 0x30000
+	KEXEC_ARCH_68K                       = 0x40000
+	KEXEC_ARCH_AARCH64                   = 0xb70000
+	KEXEC_ARCH_ARM                       = 0x280000
+	KEXEC_ARCH_DEFAULT                   = 0x0
+	KEXEC_ARCH_IA_64                     = 0x320000
+	KEXEC_ARCH_MASK                      = 0xffff0000
+	KEXEC_ARCH_MIPS                      = 0x80000
+	KEXEC_ARCH_MIPS_LE                   = 0xa0000
+	KEXEC_ARCH_PPC                       = 0x140000
+	KEXEC_ARCH_PPC64                     = 0x150000
+	KEXEC_ARCH_S390                      = 0x160000
+	KEXEC_ARCH_SH                        = 0x2a0000
+	KEXEC_ARCH_X86_64                    = 0x3e0000
+	KEXEC_FILE_NO_INITRAMFS              = 0x4
+	KEXEC_FILE_ON_CRASH                  = 0x2
+	KEXEC_FILE_UNLOAD                    = 0x1
+	KEXEC_ON_CRASH                       = 0x1
+	KEXEC_PRESERVE_CONTEXT               = 0x2
+	KEXEC_SEGMENT_MAX                    = 0x10
 	KEYCTL_ASSUME_AUTHORITY              = 0x10
 	KEYCTL_CHOWN                         = 0x4
 	KEYCTL_CLEAR                         = 0x7

unix/zerrors_linux_arm.go

@@ -878,6 +878,26 @@ const (
 	IXOFF                                = 0x1000
 	IXON                                 = 0x400
 	JFFS2_SUPER_MAGIC                    = 0x72b6
+	KEXEC_ARCH_386                       = 0x30000
+	KEXEC_ARCH_68K                       = 0x40000
+	KEXEC_ARCH_AARCH64                   = 0xb70000
+	KEXEC_ARCH_ARM                       = 0x280000
+	KEXEC_ARCH_DEFAULT                   = 0x0
+	KEXEC_ARCH_IA_64                     = 0x320000
+	KEXEC_ARCH_MASK                      = 0xffff0000
+	KEXEC_ARCH_MIPS                      = 0x80000
+	KEXEC_ARCH_MIPS_LE                   = 0xa0000
+	KEXEC_ARCH_PPC                       = 0x140000
+	KEXEC_ARCH_PPC64                     = 0x150000
+	KEXEC_ARCH_S390                      = 0x160000
+	KEXEC_ARCH_SH                        = 0x2a0000
+	KEXEC_ARCH_X86_64                    = 0x3e0000
+	KEXEC_FILE_NO_INITRAMFS              = 0x4
+	KEXEC_FILE_ON_CRASH                  = 0x2
+	KEXEC_FILE_UNLOAD                    = 0x1
+	KEXEC_ON_CRASH                       = 0x1
+	KEXEC_PRESERVE_CONTEXT               = 0x2
+	KEXEC_SEGMENT_MAX                    = 0x10
 	KEYCTL_ASSUME_AUTHORITY              = 0x10
 	KEYCTL_CHOWN                         = 0x4
 	KEYCTL_CLEAR                         = 0x7

unix/zerrors_linux_arm64.go

@@ -881,6 +881,26 @@ const (
 	IXOFF                                = 0x1000
 	IXON                                 = 0x400
 	JFFS2_SUPER_MAGIC                    = 0x72b6
+	KEXEC_ARCH_386                       = 0x30000
+	KEXEC_ARCH_68K                       = 0x40000
+	KEXEC_ARCH_AARCH64                   = 0xb70000
+	KEXEC_ARCH_ARM                       = 0x280000
+	KEXEC_ARCH_DEFAULT                   = 0x0
+	KEXEC_ARCH_IA_64                     = 0x320000
+	KEXEC_ARCH_MASK                      = 0xffff0000
+	KEXEC_ARCH_MIPS                      = 0x80000
+	KEXEC_ARCH_MIPS_LE                   = 0xa0000
+	KEXEC_ARCH_PPC                       = 0x140000
+	KEXEC_ARCH_PPC64                     = 0x150000
+	KEXEC_ARCH_S390                      = 0x160000
+	KEXEC_ARCH_SH                        = 0x2a0000
+	KEXEC_ARCH_X86_64                    = 0x3e0000
+	KEXEC_FILE_NO_INITRAMFS              = 0x4
+	KEXEC_FILE_ON_CRASH                  = 0x2
+	KEXEC_FILE_UNLOAD                    = 0x1
+	KEXEC_ON_CRASH                       = 0x1
+	KEXEC_PRESERVE_CONTEXT               = 0x2
+	KEXEC_SEGMENT_MAX                    = 0x10
 	KEYCTL_ASSUME_AUTHORITY              = 0x10
 	KEYCTL_CHOWN                         = 0x4
 	KEYCTL_CLEAR                         = 0x7

unix/zerrors_linux_mips.go

@@ -878,6 +878,26 @@ const (
 	IXOFF                                = 0x1000
 	IXON                                 = 0x400
 	JFFS2_SUPER_MAGIC                    = 0x72b6
+	KEXEC_ARCH_386                       = 0x30000
+	KEXEC_ARCH_68K                       = 0x40000
+	KEXEC_ARCH_AARCH64                   = 0xb70000
+	KEXEC_ARCH_ARM                       = 0x280000
+	KEXEC_ARCH_DEFAULT                   = 0x0
+	KEXEC_ARCH_IA_64                     = 0x320000
+	KEXEC_ARCH_MASK                      = 0xffff0000
+	KEXEC_ARCH_MIPS                      = 0x80000
+	KEXEC_ARCH_MIPS_LE                   = 0xa0000
+	KEXEC_ARCH_PPC                       = 0x140000
+	KEXEC_ARCH_PPC64                     = 0x150000
+	KEXEC_ARCH_S390                      = 0x160000
+	KEXEC_ARCH_SH                        = 0x2a0000
+	KEXEC_ARCH_X86_64                    = 0x3e0000
+	KEXEC_FILE_NO_INITRAMFS              = 0x4
+	KEXEC_FILE_ON_CRASH                  = 0x2
+	KEXEC_FILE_UNLOAD                    = 0x1
+	KEXEC_ON_CRASH                       = 0x1
+	KEXEC_PRESERVE_CONTEXT               = 0x2
+	KEXEC_SEGMENT_MAX                    = 0x10
 	KEYCTL_ASSUME_AUTHORITY              = 0x10
 	KEYCTL_CHOWN                         = 0x4
 	KEYCTL_CLEAR                         = 0x7

unix/zerrors_linux_mips64.go

@@ -878,6 +878,26 @@ const (
 	IXOFF                                = 0x1000
 	IXON                                 = 0x400
 	JFFS2_SUPER_MAGIC                    = 0x72b6
+	KEXEC_ARCH_386                       = 0x30000
+	KEXEC_ARCH_68K                       = 0x40000
+	KEXEC_ARCH_AARCH64                   = 0xb70000
+	KEXEC_ARCH_ARM                       = 0x280000
+	KEXEC_ARCH_DEFAULT                   = 0x0
+	KEXEC_ARCH_IA_64                     = 0x320000
+	KEXEC_ARCH_MASK                      = 0xffff0000
+	KEXEC_ARCH_MIPS                      = 0x80000
+	KEXEC_ARCH_MIPS_LE                   = 0xa0000
+	KEXEC_ARCH_PPC                       = 0x140000
+	KEXEC_ARCH_PPC64                     = 0x150000
+	KEXEC_ARCH_S390                      = 0x160000
+	KEXEC_ARCH_SH                        = 0x2a0000
+	KEXEC_ARCH_X86_64                    = 0x3e0000
+	KEXEC_FILE_NO_INITRAMFS              = 0x4
+	KEXEC_FILE_ON_CRASH                  = 0x2
+	KEXEC_FILE_UNLOAD                    = 0x1
+	KEXEC_ON_CRASH                       = 0x1
+	KEXEC_PRESERVE_CONTEXT               = 0x2
+	KEXEC_SEGMENT_MAX                    = 0x10
 	KEYCTL_ASSUME_AUTHORITY              = 0x10
 	KEYCTL_CHOWN                         = 0x4
 	KEYCTL_CLEAR                         = 0x7

unix/zerrors_linux_mips64le.go

@@ -878,6 +878,26 @@ const (
 	IXOFF                                = 0x1000
 	IXON                                 = 0x400
 	JFFS2_SUPER_MAGIC                    = 0x72b6
+	KEXEC_ARCH_386                       = 0x30000
+	KEXEC_ARCH_68K                       = 0x40000
+	KEXEC_ARCH_AARCH64                   = 0xb70000
+	KEXEC_ARCH_ARM                       = 0x280000
+	KEXEC_ARCH_DEFAULT                   = 0x0
+	KEXEC_ARCH_IA_64                     = 0x320000
+	KEXEC_ARCH_MASK                      = 0xffff0000
+	KEXEC_ARCH_MIPS                      = 0x80000
+	KEXEC_ARCH_MIPS_LE                   = 0xa0000
+	KEXEC_ARCH_PPC                       = 0x140000
+	KEXEC_ARCH_PPC64                     = 0x150000
+	KEXEC_ARCH_S390                      = 0x160000
+	KEXEC_ARCH_SH                        = 0x2a0000
+	KEXEC_ARCH_X86_64                    = 0x3e0000
+	KEXEC_FILE_NO_INITRAMFS              = 0x4
+	KEXEC_FILE_ON_CRASH                  = 0x2
+	KEXEC_FILE_UNLOAD                    = 0x1
+	KEXEC_ON_CRASH                       = 0x1
+	KEXEC_PRESERVE_CONTEXT               = 0x2
+	KEXEC_SEGMENT_MAX                    = 0x10
 	KEYCTL_ASSUME_AUTHORITY              = 0x10
 	KEYCTL_CHOWN                         = 0x4
 	KEYCTL_CLEAR                         = 0x7

unix/zerrors_linux_mipsle.go

@@ -878,6 +878,26 @@ const (
 	IXOFF                                = 0x1000
 	IXON                                 = 0x400
 	JFFS2_SUPER_MAGIC                    = 0x72b6
+	KEXEC_ARCH_386                       = 0x30000
+	KEXEC_ARCH_68K                       = 0x40000
+	KEXEC_ARCH_AARCH64                   = 0xb70000
+	KEXEC_ARCH_ARM                       = 0x280000
+	KEXEC_ARCH_DEFAULT                   = 0x0
+	KEXEC_ARCH_IA_64                     = 0x320000
+	KEXEC_ARCH_MASK                      = 0xffff0000
+	KEXEC_ARCH_MIPS                      = 0x80000
+	KEXEC_ARCH_MIPS_LE                   = 0xa0000
+	KEXEC_ARCH_PPC                       = 0x140000
+	KEXEC_ARCH_PPC64                     = 0x150000
+	KEXEC_ARCH_S390                      = 0x160000
+	KEXEC_ARCH_SH                        = 0x2a0000
+	KEXEC_ARCH_X86_64                    = 0x3e0000
+	KEXEC_FILE_NO_INITRAMFS              = 0x4
+	KEXEC_FILE_ON_CRASH                  = 0x2
+	KEXEC_FILE_UNLOAD                    = 0x1
+	KEXEC_ON_CRASH                       = 0x1
+	KEXEC_PRESERVE_CONTEXT               = 0x2
+	KEXEC_SEGMENT_MAX                    = 0x10
 	KEYCTL_ASSUME_AUTHORITY              = 0x10
 	KEYCTL_CHOWN                         = 0x4
 	KEYCTL_CLEAR                         = 0x7

unix/zerrors_linux_ppc64.go

@@ -878,6 +878,26 @@ const (
 	IXOFF                                = 0x400
 	IXON                                 = 0x200
 	JFFS2_SUPER_MAGIC                    = 0x72b6
+	KEXEC_ARCH_386                       = 0x30000
+	KEXEC_ARCH_68K                       = 0x40000
+	KEXEC_ARCH_AARCH64                   = 0xb70000
+	KEXEC_ARCH_ARM                       = 0x280000
+	KEXEC_ARCH_DEFAULT                   = 0x0
+	KEXEC_ARCH_IA_64                     = 0x320000
+	KEXEC_ARCH_MASK                      = 0xffff0000
+	KEXEC_ARCH_MIPS                      = 0x80000
+	KEXEC_ARCH_MIPS_LE                   = 0xa0000
+	KEXEC_ARCH_PPC                       = 0x140000
+	KEXEC_ARCH_PPC64                     = 0x150000
+	KEXEC_ARCH_S390                      = 0x160000
+	KEXEC_ARCH_SH                        = 0x2a0000
+	KEXEC_ARCH_X86_64                    = 0x3e0000
+	KEXEC_FILE_NO_INITRAMFS              = 0x4
+	KEXEC_FILE_ON_CRASH                  = 0x2
+	KEXEC_FILE_UNLOAD                    = 0x1
+	KEXEC_ON_CRASH                       = 0x1
+	KEXEC_PRESERVE_CONTEXT               = 0x2
+	KEXEC_SEGMENT_MAX                    = 0x10
 	KEYCTL_ASSUME_AUTHORITY              = 0x10
 	KEYCTL_CHOWN                         = 0x4
 	KEYCTL_CLEAR                         = 0x7

unix/zerrors_linux_ppc64le.go

@@ -878,6 +878,26 @@ const (
 	IXOFF                                = 0x400
 	IXON                                 = 0x200
 	JFFS2_SUPER_MAGIC                    = 0x72b6
+	KEXEC_ARCH_386                       = 0x30000
+	KEXEC_ARCH_68K                       = 0x40000
+	KEXEC_ARCH_AARCH64                   = 0xb70000
+	KEXEC_ARCH_ARM                       = 0x280000
+	KEXEC_ARCH_DEFAULT                   = 0x0
+	KEXEC_ARCH_IA_64                     = 0x320000
+	KEXEC_ARCH_MASK                      = 0xffff0000
+	KEXEC_ARCH_MIPS                      = 0x80000
+	KEXEC_ARCH_MIPS_LE                   = 0xa0000
+	KEXEC_ARCH_PPC                       = 0x140000
+	KEXEC_ARCH_PPC64                     = 0x150000
+	KEXEC_ARCH_S390                      = 0x160000
+	KEXEC_ARCH_SH                        = 0x2a0000
+	KEXEC_ARCH_X86_64                    = 0x3e0000
+	KEXEC_FILE_NO_INITRAMFS              = 0x4
+	KEXEC_FILE_ON_CRASH                  = 0x2
+	KEXEC_FILE_UNLOAD                    = 0x1
+	KEXEC_ON_CRASH                       = 0x1
+	KEXEC_PRESERVE_CONTEXT               = 0x2
+	KEXEC_SEGMENT_MAX                    = 0x10
 	KEYCTL_ASSUME_AUTHORITY              = 0x10
 	KEYCTL_CHOWN                         = 0x4
 	KEYCTL_CLEAR                         = 0x7

unix/zerrors_linux_riscv64.go

@@ -878,6 +878,26 @@ const (
 	IXOFF                                = 0x1000
 	IXON                                 = 0x400
 	JFFS2_SUPER_MAGIC                    = 0x72b6
+	KEXEC_ARCH_386                       = 0x30000
+	KEXEC_ARCH_68K                       = 0x40000
+	KEXEC_ARCH_AARCH64                   = 0xb70000
+	KEXEC_ARCH_ARM                       = 0x280000
+	KEXEC_ARCH_DEFAULT                   = 0x0
+	KEXEC_ARCH_IA_64                     = 0x320000
+	KEXEC_ARCH_MASK                      = 0xffff0000
+	KEXEC_ARCH_MIPS                      = 0x80000
+	KEXEC_ARCH_MIPS_LE                   = 0xa0000
+	KEXEC_ARCH_PPC                       = 0x140000
+	KEXEC_ARCH_PPC64                     = 0x150000
+	KEXEC_ARCH_S390                      = 0x160000
+	KEXEC_ARCH_SH                        = 0x2a0000
+	KEXEC_ARCH_X86_64                    = 0x3e0000
+	KEXEC_FILE_NO_INITRAMFS              = 0x4
+	KEXEC_FILE_ON_CRASH                  = 0x2
+	KEXEC_FILE_UNLOAD                    = 0x1
+	KEXEC_ON_CRASH                       = 0x1
+	KEXEC_PRESERVE_CONTEXT               = 0x2
+	KEXEC_SEGMENT_MAX                    = 0x10
 	KEYCTL_ASSUME_AUTHORITY              = 0x10
 	KEYCTL_CHOWN                         = 0x4
 	KEYCTL_CLEAR                         = 0x7

unix/zerrors_linux_s390x.go

@@ -878,6 +878,26 @@ const (
 	IXOFF                                = 0x1000
 	IXON                                 = 0x400
 	JFFS2_SUPER_MAGIC                    = 0x72b6
+	KEXEC_ARCH_386                       = 0x30000
+	KEXEC_ARCH_68K                       = 0x40000
+	KEXEC_ARCH_AARCH64                   = 0xb70000
+	KEXEC_ARCH_ARM                       = 0x280000
+	KEXEC_ARCH_DEFAULT                   = 0x0
+	KEXEC_ARCH_IA_64                     = 0x320000
+	KEXEC_ARCH_MASK                      = 0xffff0000
+	KEXEC_ARCH_MIPS                      = 0x80000
+	KEXEC_ARCH_MIPS_LE                   = 0xa0000
+	KEXEC_ARCH_PPC                       = 0x140000
+	KEXEC_ARCH_PPC64                     = 0x150000
+	KEXEC_ARCH_S390                      = 0x160000
+	KEXEC_ARCH_SH                        = 0x2a0000
+	KEXEC_ARCH_X86_64                    = 0x3e0000
+	KEXEC_FILE_NO_INITRAMFS              = 0x4
+	KEXEC_FILE_ON_CRASH                  = 0x2
+	KEXEC_FILE_UNLOAD                    = 0x1
+	KEXEC_ON_CRASH                       = 0x1
+	KEXEC_PRESERVE_CONTEXT               = 0x2
+	KEXEC_SEGMENT_MAX                    = 0x10
 	KEYCTL_ASSUME_AUTHORITY              = 0x10
 	KEYCTL_CHOWN                         = 0x4
 	KEYCTL_CLEAR                         = 0x7

unix/zsyscall_linux_amd64.go

@@ -2296,3 +2296,18 @@ func poll(fds *PollFd, nfds int, timeout int) (n int, err error) {
 	}
 	return
 }
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(cmdline)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_KEXEC_FILE_LOAD, uintptr(kernelFd), uintptr(initrdFd), uintptr(cmdlineLen), uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}

unix/zsyscall_linux_ppc64.go

@@ -2343,3 +2343,18 @@ func syncFileRange2(fd int, flags int, off int64, n int64) (err error) {
 	}
 	return
 }
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(cmdline)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_KEXEC_FILE_LOAD, uintptr(kernelFd), uintptr(initrdFd), uintptr(cmdlineLen), uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}

unix/zsyscall_linux_ppc64le.go

@@ -2343,3 +2343,18 @@ func syncFileRange2(fd int, flags int, off int64, n int64) (err error) {
 	}
 	return
 }
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(cmdline)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_KEXEC_FILE_LOAD, uintptr(kernelFd), uintptr(initrdFd), uintptr(cmdlineLen), uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}

unix/zsyscall_linux_s390x.go

@@ -2113,3 +2113,18 @@ func poll(fds *PollFd, nfds int, timeout int) (n int, err error) {
 	}
 	return
 }
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(cmdline)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_KEXEC_FILE_LOAD, uintptr(kernelFd), uintptr(initrdFd), uintptr(cmdlineLen), uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}