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

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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>
This commit is contained in:
Tobias Klauser
2018-10-05 13:07:39 +00:00
committed by Tobias Klauser
parent 8469e31483
commit f81de40a84
20 changed files with 341 additions and 0 deletions
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unix/zerrors_linux_arm.go
+20
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@@ -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