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update xdg update survey update go-sdk Co-authored-by: Norwin Roosen <git@nroo.de> Reviewed-on: https://gitea.com/gitea/tea/pulls/316 Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com> Reviewed-by: 6543 <6543@obermui.de> Co-Authored-By: Norwin <noerw@noreply.gitea.io> Co-Committed-By: Norwin <noerw@noreply.gitea.io>
151 lines
4.4 KiB
Bash
151 lines
4.4 KiB
Bash
#!/usr/bin/env bash
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# Copyright 2009 The Go Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style
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# license that can be found in the LICENSE file.
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# The plan9 package provides access to the raw system call
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# interface of the underlying operating system. Porting Go to
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# a new architecture/operating system combination requires
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# some manual effort, though there are tools that automate
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# much of the process. The auto-generated files have names
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# beginning with z.
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#
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# This script runs or (given -n) prints suggested commands to generate z files
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# for the current system. Running those commands is not automatic.
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# This script is documentation more than anything else.
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#
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# * asm_${GOOS}_${GOARCH}.s
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#
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# This hand-written assembly file implements system call dispatch.
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# There are three entry points:
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#
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# func Syscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr);
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# func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr);
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# func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr);
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#
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# The first and second are the standard ones; they differ only in
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# how many arguments can be passed to the kernel.
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# The third is for low-level use by the ForkExec wrapper;
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# unlike the first two, it does not call into the scheduler to
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# let it know that a system call is running.
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#
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# * syscall_${GOOS}.go
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#
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# This hand-written Go file implements system calls that need
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# special handling and lists "//sys" comments giving prototypes
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# for ones that can be auto-generated. Mksyscall reads those
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# comments to generate the stubs.
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#
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# * syscall_${GOOS}_${GOARCH}.go
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#
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# Same as syscall_${GOOS}.go except that it contains code specific
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# to ${GOOS} on one particular architecture.
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#
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# * types_${GOOS}.c
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#
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# This hand-written C file includes standard C headers and then
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# creates typedef or enum names beginning with a dollar sign
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# (use of $ in variable names is a gcc extension). The hardest
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# part about preparing this file is figuring out which headers to
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# include and which symbols need to be #defined to get the
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# actual data structures that pass through to the kernel system calls.
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# Some C libraries present alternate versions for binary compatibility
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# and translate them on the way in and out of system calls, but
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# there is almost always a #define that can get the real ones.
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# See types_darwin.c and types_linux.c for examples.
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#
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# * zerror_${GOOS}_${GOARCH}.go
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#
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# This machine-generated file defines the system's error numbers,
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# error strings, and signal numbers. The generator is "mkerrors.sh".
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# Usually no arguments are needed, but mkerrors.sh will pass its
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# arguments on to godefs.
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#
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# * zsyscall_${GOOS}_${GOARCH}.go
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#
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# Generated by mksyscall.pl; see syscall_${GOOS}.go above.
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#
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# * zsysnum_${GOOS}_${GOARCH}.go
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#
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# Generated by mksysnum_${GOOS}.
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#
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# * ztypes_${GOOS}_${GOARCH}.go
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#
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# Generated by godefs; see types_${GOOS}.c above.
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GOOSARCH="${GOOS}_${GOARCH}"
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# defaults
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mksyscall="go run mksyscall.go"
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mkerrors="./mkerrors.sh"
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zerrors="zerrors_$GOOSARCH.go"
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mksysctl=""
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zsysctl="zsysctl_$GOOSARCH.go"
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mksysnum=
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mktypes=
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run="sh"
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case "$1" in
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-syscalls)
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for i in zsyscall*go
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do
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sed 1q $i | sed 's;^// ;;' | sh > _$i && gofmt < _$i > $i
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rm _$i
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done
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exit 0
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;;
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-n)
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run="cat"
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shift
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esac
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case "$#" in
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0)
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;;
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*)
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echo 'usage: mkall.sh [-n]' 1>&2
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exit 2
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esac
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case "$GOOSARCH" in
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_* | *_ | _)
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echo 'undefined $GOOS_$GOARCH:' "$GOOSARCH" 1>&2
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exit 1
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;;
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plan9_386)
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mkerrors=
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mksyscall="go run mksyscall.go -l32 -plan9 -tags plan9,386"
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mksysnum="./mksysnum_plan9.sh /n/sources/plan9/sys/src/libc/9syscall/sys.h"
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mktypes="XXX"
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;;
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plan9_amd64)
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mkerrors=
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mksyscall="go run mksyscall.go -l32 -plan9 -tags plan9,amd64"
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mksysnum="./mksysnum_plan9.sh /n/sources/plan9/sys/src/libc/9syscall/sys.h"
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mktypes="XXX"
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;;
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plan9_arm)
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mkerrors=
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mksyscall="go run mksyscall.go -l32 -plan9 -tags plan9,arm"
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mksysnum="./mksysnum_plan9.sh /n/sources/plan9/sys/src/libc/9syscall/sys.h"
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mktypes="XXX"
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;;
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*)
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echo 'unrecognized $GOOS_$GOARCH: ' "$GOOSARCH" 1>&2
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exit 1
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;;
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esac
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(
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if [ -n "$mkerrors" ]; then echo "$mkerrors |gofmt >$zerrors"; fi
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case "$GOOS" in
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plan9)
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syscall_goos="syscall_$GOOS.go"
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if [ -n "$mksyscall" ]; then echo "$mksyscall $syscall_goos |gofmt >zsyscall_$GOOSARCH.go"; fi
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;;
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esac
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if [ -n "$mksysctl" ]; then echo "$mksysctl |gofmt >$zsysctl"; fi
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if [ -n "$mksysnum" ]; then echo "$mksysnum |gofmt >zsysnum_$GOOSARCH.go"; fi
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if [ -n "$mktypes" ]; then echo "$mktypes types_$GOOS.go |gofmt >ztypes_$GOOSARCH.go"; fi
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) | $run
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