unix: generate all Linux go files from source
Right now the process for adding in new constants, errors, or syscalls
for Linux is a pain and unreliable. The scripts are designed to be run
on the target architecture and use the header files installed on the
user's system. This makes it hard to generate files for all the
architectures or to have consistency between users. See golang/go#15282.
This CL fixes this issue by making all of the files for the 11 supported
architectures directly from source checkouts of Linux, glibc, and bluez.
This is done using Docker, the gcc cross-compilers, and qemu emulation.
Previously discussed here:
https://go-review.googlesource.com/c/37589/
A README.md file is also added to explain how all the parts of the build
system work.
In order to get the build working for all the architectures, I made
some changes to the other scripts called from mkall_linux.go:
- Files only used for generating linux code, moved to linux/
- linux/mksysnum.pl supports a specified CC compiler.
- The generated C code in mkerrors.sh changed to avoid a warning
- mkerrors.sh headers changed to fix powerpc64 bug in sys/ioctl.h
- linux/types.go no longer needs to export Ptrace structs in lowercase
Build instructions:
- Host system needs to be x86-64 Linux
- Install Docker (https://docs.docker.com/engine/installation/)
- ./mkall.sh (That's it!!!)
Change-Id: I87067c14442ba12f8d51991349a43a9d73f38ae0
Reviewed-on: https://go-review.googlesource.com/37943
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
diff --git a/unix/ztypes_linux_ppc64le.go b/unix/ztypes_linux_ppc64le.go
index 2f63bc0..564092e 100644
--- a/unix/ztypes_linux_ppc64le.go
+++ b/unix/ztypes_linux_ppc64le.go
@@ -1,6 +1,7 @@
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include linux/types.go | go run mkpost.go
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
// +build ppc64le,linux
-// Created by cgo -godefs - DO NOT EDIT
-// cgo -godefs types_linux.go
package unix
@@ -98,23 +99,23 @@
type _Gid_t uint32
type Stat_t struct {
- Dev uint64
- Ino uint64
- Nlink uint64
- Mode uint32
- Uid uint32
- Gid uint32
- X__pad2 int32
- Rdev uint64
- Size int64
- Blksize int64
- Blocks int64
- Atim Timespec
- Mtim Timespec
- Ctim Timespec
- X__glibc_reserved4 uint64
- X__glibc_reserved5 uint64
- X__glibc_reserved6 uint64
+ Dev uint64
+ Ino uint64
+ Nlink uint64
+ Mode uint32
+ Uid uint32
+ Gid uint32
+ X__pad2 int32
+ Rdev uint64
+ Size int64
+ Blksize int64
+ Blocks int64
+ Atim Timespec
+ Mtim Timespec
+ Ctim Timespec
+ _ uint64
+ _ uint64
+ _ uint64
}
type Statfs_t struct {
@@ -281,10 +282,9 @@
}
type Cmsghdr struct {
- Len uint64
- Level int32
- Type int32
- X__cmsg_data [0]uint8
+ Len uint64
+ Level int32
+ Type int32
}
type Inet4Pktinfo struct {
@@ -402,7 +402,7 @@
IFLA_LINKINFO = 0x12
IFLA_NET_NS_PID = 0x13
IFLA_IFALIAS = 0x14
- IFLA_MAX = 0x22
+ IFLA_MAX = 0x2b
RT_SCOPE_UNIVERSE = 0x0
RT_SCOPE_SITE = 0xc8
RT_SCOPE_LINK = 0xfd
@@ -552,7 +552,6 @@
Mask uint32
Cookie uint32
Len uint32
- Name [0]uint8
}
const SizeofInotifyEvent = 0x10
@@ -648,6 +647,8 @@
X__val [16]uint64
}
+const _SC_PAGESIZE = 0x1e
+
type Termios struct {
Iflag uint32
Oflag uint32
