code review 3816043: syscall: Plan 9 support for x86.

src/pkg/syscall/mkall.sh

 #!/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 syscall 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
@@ skipping 45 matching lines @@
 #
 # * 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.sh; see syscall_${GOOS}.go above.
+# Generated by mksyscall.pl; see syscall_${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.sh"
+mksyscall="./mksyscall.pl"
 mkerrors="./mkerrors.sh"
 run="sh"
 
 case "$1" in
 -n)
         run="cat"
         shift
 esac
 
 case "$#" in
 0)
         ;;
 *)
         echo 'usage: mkall.sh [-n]' 1>&2
         exit 2
 esac
 
 case "$GOOSARCH" in
 _* | *_ | _)
         echo 'undefined $GOOS_$GOARCH:' "$GOOSARCH" 1>&2
         exit 1
         ;;
 freebsd_386)
         mkerrors="$mkerrors -f -m32"
-        mksyscall="./mksyscall.sh -l32"
-        mksysnum="curl -s 'http://svn.freebsd.org/viewvc/base/head/sys/kern/syscalls.master?view=markup' | ./mksysnum_freebsd.sh"
+        mksyscall="./mksyscall.pl -l32"
+        mksysnum="curl -s 'http://svn.freebsd.org/viewvc/base/head/sys/kern/syscalls.master?view=markup' | ./mksysnum_freebsd.pl"
         mktypes="godefs -gsyscall -f-m32"
         ;;
 freebsd_amd64)
         mkerrors="$mkerrors -f -m64"
-        mksysnum="curl -s 'http://svn.freebsd.org/viewvc/base/head/sys/kern/syscalls.master?view=markup' | ./mksysnum_freebsd.sh"
+        mksysnum="curl -s 'http://svn.freebsd.org/viewvc/base/head/sys/kern/syscalls.master?view=markup' | ./mksysnum_freebsd.pl"
         mktypes="godefs -gsyscall -f-m64"
         ;;
 darwin_386)
         mkerrors="$mkerrors -f -m32"
-        mksyscall="./mksyscall.sh -l32"
-        mksysnum="./mksysnum_darwin.sh /home/rsc/pub/xnu-1228/bsd/kern/syscalls.master"
+        mksyscall="./mksyscall.pl -l32"
+        mksysnum="./mksysnum_darwin.pl /home/rsc/pub/xnu-1228/bsd/kern/syscalls.master"
         mktypes="godefs -gsyscall -f-m32"
         ;;
 darwin_amd64)
         mkerrors="$mkerrors -f -m64"
-        mksysnum="./mksysnum_darwin.sh /home/rsc/pub/xnu-1228/bsd/kern/syscalls.master"
+        mksysnum="./mksysnum_darwin.pl /home/rsc/pub/xnu-1228/bsd/kern/syscalls.master"
         mktypes="godefs -gsyscall -f-m64"
         mkerrors="./mkerrors.sh"
         ;;
 linux_386)
         mkerrors="$mkerrors -f -m32"
-        mksyscall="./mksyscall.sh -l32"
-        mksysnum="./mksysnum_linux.sh /usr/include/asm/unistd_32.h"
+        mksyscall="./mksyscall.pl -l32"
+        mksysnum="./mksysnum_linux.pl /usr/include/asm/unistd_32.h"
         mktypes="godefs -gsyscall -f-m32"
         ;;
 linux_amd64)
         mkerrors="$mkerrors -f -m64"
-        mksysnum="./mksysnum_linux.sh /usr/include/asm/unistd_64.h"
+        mksysnum="./mksysnum_linux.pl /usr/include/asm/unistd_64.h"
         mktypes="godefs -gsyscall -f-m64"
-        ;;
-nacl_386)
-        NACL="/home/rsc/pub/nacl/native_client"
-        NACLRUN="$NACL/src/trusted/service_runtime"
-        NACLSDK="$NACL/src/third_party/nacl_sdk/linux/sdk/nacl-sdk/nacl"
-        mksyscall="./mksyscall.sh -l32 -nacl"
-        mksysnum="./mksysnum_nacl.sh $NACLRUN/include/bits/nacl_syscalls.h"
-        mktypes="godefs -gsyscall -f-m32 -f-I$NACLSDK/include -f-I$NACL"
-        mkerrors="./mkerrors_nacl.sh $NACLRUN/include/sys/errno.h"
         ;;
 linux_arm)
         mkerrors="$mkerrors"
-        mksyscall="./mksyscall.sh -b32"
-        mksysnum="./mksysnum_linux.sh /usr/include/asm/unistd.h"
+        mksyscall="./mksyscall.pl -b32"
+        mksysnum="./mksysnum_linux.pl /usr/include/asm/unistd.h"
         mktypes="godefs -gsyscall"
         ;;
 windows_386)
-        mksyscall="./mksyscall_windows.sh -l32"
+        mksyscall="./mksyscall_windows.pl -l32"
         mksysnum=
         mktypes=
         mkerrors="./mkerrors_windows.sh -f -m32"
         ;;
 plan9_386)
         mkerrors=
-        mksyscall="./mksyscall_plan9.sh -l32"
-        mksysnum="./mksysnum_plan9.sh /media/sys/src/libc/9syscall/sys.h"
+        mksyscall="./mksyscall.pl -l32 -plan9"
+        mksysnum="./mksysnum_plan9.sh /n/sources/plan9/sys/src/libc/9syscall/sys.h"
         mktypes="godefs -gsyscall -f -m32"
         ;;
 *)
         echo 'unrecognized $GOOS_$GOARCH: ' "$GOOSARCH" 1>&2
         exit 1
         ;;
 esac
 
 (
         if [ -n "$mkerrors" ]; then echo "$mkerrors |gofmt >zerrors_$GOOSARCH.go"; fi
         syscall_goos="syscall_$GOOS.go"
         case "$GOOS" in
         darwin | freebsd)
                 syscall_goos="syscall_bsd.go $syscall_goos"
                 ;;
         esac
         if [ -n "$mksyscall" ]; then echo "$mksyscall $syscall_goos syscall_$GOOSARCH.go |gofmt >zsyscall_$GOOSARCH.go"; fi
         if [ -n "$mksysnum" ]; then echo "$mksysnum |gofmt >zsysnum_$GOOSARCH.go"; fi
         if [ -n "$mktypes" ]; then echo "$mktypes types_$GOOS.c |gofmt >ztypes_$GOOSARCH.go"; fi
 ) | $run