mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-11-23 18:31:00 +00:00
274 lines
9 KiB
Bash
Executable file
274 lines
9 KiB
Bash
Executable file
#!/usr/bin/env bash
|
|
# Copyright 2009 The Go Authors. All rights reserved.
|
|
# Use of this source code is governed by a BSD-style
|
|
# license that can be found in the LICENSE file.
|
|
|
|
# The unix package provides access to the raw system call
|
|
# interface of the underlying operating system. Porting Go to
|
|
# a new architecture/operating system combination requires
|
|
# some manual effort, though there are tools that automate
|
|
# much of the process. The auto-generated files have names
|
|
# beginning with z.
|
|
#
|
|
# This script runs or (given -n) prints suggested commands to generate z files
|
|
# for the current system. Running those commands is not automatic.
|
|
# This script is documentation more than anything else.
|
|
#
|
|
# * asm_${GOOS}_${GOARCH}.s
|
|
#
|
|
# This hand-written assembly file implements system call dispatch.
|
|
# There are three entry points:
|
|
#
|
|
# func Syscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr);
|
|
# func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr);
|
|
# func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr);
|
|
#
|
|
# The first and second are the standard ones; they differ only in
|
|
# how many arguments can be passed to the kernel.
|
|
# The third is for low-level use by the ForkExec wrapper;
|
|
# unlike the first two, it does not call into the scheduler to
|
|
# let it know that a system call is running.
|
|
#
|
|
# * syscall_${GOOS}.go
|
|
#
|
|
# This hand-written Go file implements system calls that need
|
|
# special handling and lists "//sys" comments giving prototypes
|
|
# for ones that can be auto-generated. Mksyscall reads those
|
|
# comments to generate the stubs.
|
|
#
|
|
# * syscall_${GOOS}_${GOARCH}.go
|
|
#
|
|
# Same as syscall_${GOOS}.go except that it contains code specific
|
|
# to ${GOOS} on one particular architecture.
|
|
#
|
|
# * types_${GOOS}.c
|
|
#
|
|
# This hand-written C file includes standard C headers and then
|
|
# creates typedef or enum names beginning with a dollar sign
|
|
# (use of $ in variable names is a gcc extension). The hardest
|
|
# part about preparing this file is figuring out which headers to
|
|
# include and which symbols need to be #defined to get the
|
|
# actual data structures that pass through to the kernel system calls.
|
|
# Some C libraries present alternate versions for binary compatibility
|
|
# and translate them on the way in and out of system calls, but
|
|
# there is almost always a #define that can get the real ones.
|
|
# See types_darwin.c and types_linux.c for examples.
|
|
#
|
|
# * zerror_${GOOS}_${GOARCH}.go
|
|
#
|
|
# This machine-generated file defines the system's error numbers,
|
|
# error strings, and signal numbers. The generator is "mkerrors.sh".
|
|
# Usually no arguments are needed, but mkerrors.sh will pass its
|
|
# arguments on to godefs.
|
|
#
|
|
# * zsyscall_${GOOS}_${GOARCH}.go
|
|
#
|
|
# Generated by mksyscall.pl; see syscall_${GOOS}.go above.
|
|
#
|
|
# * zsysnum_${GOOS}_${GOARCH}.go
|
|
#
|
|
# Generated by mksysnum_${GOOS}.
|
|
#
|
|
# * ztypes_${GOOS}_${GOARCH}.go
|
|
#
|
|
# Generated by godefs; see types_${GOOS}.c above.
|
|
|
|
GOOSARCH="${GOOS}_${GOARCH}"
|
|
|
|
# defaults
|
|
mksyscall="./mksyscall.pl"
|
|
mkerrors="./mkerrors.sh"
|
|
zerrors="zerrors_$GOOSARCH.go"
|
|
mksysctl=""
|
|
zsysctl="zsysctl_$GOOSARCH.go"
|
|
mksysnum=
|
|
mktypes=
|
|
run="sh"
|
|
|
|
case "$1" in
|
|
-syscalls)
|
|
for i in zsyscall*go
|
|
do
|
|
sed 1q $i | sed 's;^// ;;' | sh > _$i && gofmt < _$i > $i
|
|
rm _$i
|
|
done
|
|
exit 0
|
|
;;
|
|
-n)
|
|
run="cat"
|
|
shift
|
|
esac
|
|
|
|
case "$#" in
|
|
0)
|
|
;;
|
|
*)
|
|
echo 'usage: mkall.sh [-n]' 1>&2
|
|
exit 2
|
|
esac
|
|
|
|
GOOSARCH_in=syscall_$GOOSARCH.go
|
|
case "$GOOSARCH" in
|
|
_* | *_ | _)
|
|
echo 'undefined $GOOS_$GOARCH:' "$GOOSARCH" 1>&2
|
|
exit 1
|
|
;;
|
|
darwin_386)
|
|
mkerrors="$mkerrors -m32"
|
|
mksyscall="./mksyscall.pl -l32"
|
|
mksysnum="./mksysnum_darwin.pl $(xcrun --show-sdk-path --sdk macosx)/usr/include/sys/syscall.h"
|
|
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
|
|
;;
|
|
darwin_amd64)
|
|
mkerrors="$mkerrors -m64"
|
|
mksysnum="./mksysnum_darwin.pl $(xcrun --show-sdk-path --sdk macosx)/usr/include/sys/syscall.h"
|
|
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
|
|
;;
|
|
darwin_arm)
|
|
mkerrors="$mkerrors"
|
|
mksysnum="./mksysnum_darwin.pl /usr/include/sys/syscall.h"
|
|
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
|
|
;;
|
|
darwin_arm64)
|
|
mkerrors="$mkerrors -m64"
|
|
mksysnum="./mksysnum_darwin.pl $(xcrun --show-sdk-path --sdk iphoneos)/usr/include/sys/syscall.h"
|
|
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
|
|
;;
|
|
dragonfly_386)
|
|
mkerrors="$mkerrors -m32"
|
|
mksyscall="./mksyscall.pl -l32 -dragonfly"
|
|
mksysnum="curl -s 'http://gitweb.dragonflybsd.org/dragonfly.git/blob_plain/HEAD:/sys/kern/syscalls.master' | ./mksysnum_dragonfly.pl"
|
|
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
|
|
;;
|
|
dragonfly_amd64)
|
|
mkerrors="$mkerrors -m64"
|
|
mksyscall="./mksyscall.pl -dragonfly"
|
|
mksysnum="curl -s 'http://gitweb.dragonflybsd.org/dragonfly.git/blob_plain/HEAD:/sys/kern/syscalls.master' | ./mksysnum_dragonfly.pl"
|
|
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
|
|
;;
|
|
freebsd_386)
|
|
mkerrors="$mkerrors -m32"
|
|
mksyscall="./mksyscall.pl -l32"
|
|
mksysnum="curl -s 'http://svn.freebsd.org/base/stable/10/sys/kern/syscalls.master' | ./mksysnum_freebsd.pl"
|
|
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
|
|
;;
|
|
freebsd_amd64)
|
|
mkerrors="$mkerrors -m64"
|
|
mksysnum="curl -s 'http://svn.freebsd.org/base/stable/10/sys/kern/syscalls.master' | ./mksysnum_freebsd.pl"
|
|
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
|
|
;;
|
|
freebsd_arm)
|
|
mkerrors="$mkerrors"
|
|
mksyscall="./mksyscall.pl -l32 -arm"
|
|
mksysnum="curl -s 'http://svn.freebsd.org/base/stable/10/sys/kern/syscalls.master' | ./mksysnum_freebsd.pl"
|
|
# Let the type of C char be singed for making the bare syscall
|
|
# API consistent across over platforms.
|
|
mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
|
|
;;
|
|
linux_386)
|
|
mkerrors="$mkerrors -m32"
|
|
mksyscall="./mksyscall.pl -l32"
|
|
mksysnum="./mksysnum_linux.pl /usr/include/asm/unistd_32.h"
|
|
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
|
|
;;
|
|
linux_amd64)
|
|
unistd_h=$(ls -1 /usr/include/asm/unistd_64.h /usr/include/x86_64-linux-gnu/asm/unistd_64.h 2>/dev/null | head -1)
|
|
if [ "$unistd_h" = "" ]; then
|
|
echo >&2 cannot find unistd_64.h
|
|
exit 1
|
|
fi
|
|
mkerrors="$mkerrors -m64"
|
|
mksysnum="./mksysnum_linux.pl $unistd_h"
|
|
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
|
|
;;
|
|
linux_arm)
|
|
mkerrors="$mkerrors"
|
|
mksyscall="./mksyscall.pl -l32 -arm"
|
|
mksysnum="curl -s 'http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/plain/arch/arm/include/uapi/asm/unistd.h' | ./mksysnum_linux.pl -"
|
|
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
|
|
;;
|
|
linux_arm64)
|
|
unistd_h=$(ls -1 /usr/include/asm/unistd.h /usr/include/asm-generic/unistd.h 2>/dev/null | head -1)
|
|
if [ "$unistd_h" = "" ]; then
|
|
echo >&2 cannot find unistd_64.h
|
|
exit 1
|
|
fi
|
|
mksysnum="./mksysnum_linux.pl $unistd_h"
|
|
# Let the type of C char be singed for making the bare syscall
|
|
# API consistent across over platforms.
|
|
mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
|
|
;;
|
|
linux_ppc64)
|
|
GOOSARCH_in=syscall_linux_ppc64x.go
|
|
unistd_h=/usr/include/asm/unistd.h
|
|
mkerrors="$mkerrors -m64"
|
|
mksysnum="./mksysnum_linux.pl $unistd_h"
|
|
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
|
|
;;
|
|
linux_ppc64le)
|
|
GOOSARCH_in=syscall_linux_ppc64x.go
|
|
unistd_h=/usr/include/powerpc64le-linux-gnu/asm/unistd.h
|
|
mkerrors="$mkerrors -m64"
|
|
mksysnum="./mksysnum_linux.pl $unistd_h"
|
|
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
|
|
;;
|
|
netbsd_386)
|
|
mkerrors="$mkerrors -m32"
|
|
mksyscall="./mksyscall.pl -l32 -netbsd"
|
|
mksysnum="curl -s 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_netbsd.pl"
|
|
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
|
|
;;
|
|
netbsd_amd64)
|
|
mkerrors="$mkerrors -m64"
|
|
mksyscall="./mksyscall.pl -netbsd"
|
|
mksysnum="curl -s 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_netbsd.pl"
|
|
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
|
|
;;
|
|
openbsd_386)
|
|
mkerrors="$mkerrors -m32"
|
|
mksyscall="./mksyscall.pl -l32 -openbsd"
|
|
mksysctl="./mksysctl_openbsd.pl"
|
|
zsysctl="zsysctl_openbsd.go"
|
|
mksysnum="curl -s 'http://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_openbsd.pl"
|
|
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
|
|
;;
|
|
openbsd_amd64)
|
|
mkerrors="$mkerrors -m64"
|
|
mksyscall="./mksyscall.pl -openbsd"
|
|
mksysctl="./mksysctl_openbsd.pl"
|
|
zsysctl="zsysctl_openbsd.go"
|
|
mksysnum="curl -s 'http://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_openbsd.pl"
|
|
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
|
|
;;
|
|
solaris_amd64)
|
|
mksyscall="./mksyscall_solaris.pl"
|
|
mkerrors="$mkerrors -m64"
|
|
mksysnum=
|
|
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
|
|
;;
|
|
*)
|
|
echo 'unrecognized $GOOS_$GOARCH: ' "$GOOSARCH" 1>&2
|
|
exit 1
|
|
;;
|
|
esac
|
|
|
|
(
|
|
if [ -n "$mkerrors" ]; then echo "$mkerrors |gofmt >$zerrors"; fi
|
|
case "$GOOS" in
|
|
*)
|
|
syscall_goos="syscall_$GOOS.go"
|
|
case "$GOOS" in
|
|
darwin | dragonfly | freebsd | netbsd | openbsd)
|
|
syscall_goos="syscall_bsd.go $syscall_goos"
|
|
;;
|
|
esac
|
|
if [ -n "$mksyscall" ]; then echo "$mksyscall $syscall_goos $GOOSARCH_in |gofmt >zsyscall_$GOOSARCH.go"; fi
|
|
;;
|
|
esac
|
|
if [ -n "$mksysctl" ]; then echo "$mksysctl |gofmt >$zsysctl"; fi
|
|
if [ -n "$mksysnum" ]; then echo "$mksysnum |gofmt >zsysnum_$GOOSARCH.go"; fi
|
|
if [ -n "$mktypes" ]; then
|
|
echo "echo // +build $GOARCH,$GOOS > ztypes_$GOOSARCH.go";
|
|
echo "$mktypes types_$GOOS.go | gofmt >>ztypes_$GOOSARCH.go";
|
|
fi
|
|
) | $run
|