runtime: delete mkasmh.sh

This functionality moved into cmd/dist for Go 1.0.
Changes to this script have no effect.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8020043

src/pkg/runtime/mkasmh.sh

-#!/bin/sh
-# 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.
-
-trap "rm -f arch_GOARCH.h defs_GOOS_GOARCH.h os_GOOS.h signals_GOOS.h" EXIT INT TERM
-set -e
-
-SYS=$1
-export GOOS=$(echo $SYS | sed 's/_.*//')
-export GOARCH=$(echo $SYS | sed 's/.*_//')
-shift
-
-case "$GOARCH" in
-386) CC=8c;;
-amd64) CC=6c;;
-arm) CC=5c;;
-esac
-CC="$GOROOT/bin/tool/$CC"
-export CC
-
-export CFLAGS="-Dos_$GOOS -Darch_$GOARCH"
-
-cp arch_$GOARCH.h arch_GOARCH.h
-cp defs_${GOOS}_$GOARCH.h defs_GOOS_GOARCH.h
-cp os_$GOOS.h os_GOOS.h
-cp signals_$GOOS.h signals_GOOS.h
-
-cat <<'EOF'
-// Assembly constants.
-// AUTO-GENERATED by autogen.sh; DO NOT EDIT
-
-EOF
-if [ ! -x "$CC" ]; then
-	echo "// dummy file for cmd/go to correctly generate buildscript"
-	exit
-fi
-
-case "$GOARCH" in
-386)
-	# The offsets 0 and 4 are also known to:
-	#	../../cmd/8l/pass.c:/D_GS
-	#	cgo/gcc_linux_386.c:/^threadentry
-	#	cgo/gcc_darwin_386.c:/^threadentry
-	case "$GOOS" in
-	windows)
-		echo '#define	get_tls(r)	MOVL 0x14(FS), r'
-		echo '#define	g(r)	0(r)'
-		echo '#define	m(r)	4(r)'
-		;;
-	plan9)
-		echo '#define	get_tls(r)	MOVL _tos(SB), r '
-		echo '#define	g(r)	-8(r)'
-		echo '#define	m(r)	-4(r)'
-		;;
-	linux)
-		# On Linux systems, what we call 0(GS) and 4(GS) for g and m
-		# turn into %gs:-8 and %gs:-4 (using gcc syntax to denote
-		# what the machine sees as opposed to 8l input).
-		# 8l rewrites 0(GS) and 4(GS) into these.
-		#
-		# On Linux Xen, it is not allowed to use %gs:-8 and %gs:-4
-		# directly.  Instead, we have to store %gs:0 into a temporary
-		# register and then use -8(%reg) and -4(%reg).  This kind
-		# of addressing is correct even when not running Xen.
-		#
-		# 8l can rewrite MOVL 0(GS), CX into the appropriate pair
-		# of mov instructions, using CX as the intermediate register
-		# (safe because CX is about to be written to anyway).
-		# But 8l cannot handle other instructions, like storing into 0(GS),
-		# which is where these macros come into play.
-		# get_tls sets up the temporary and then g and r use it.
-		#
-		# The final wrinkle is that get_tls needs to read from %gs:0,
-		# but in 8l input it's called 8(GS), because 8l is going to
-		# subtract 8 from all the offsets, as described above.
-		echo '#define	get_tls(r)	MOVL 8(GS), r'
-		echo '#define	g(r)	-8(r)'
-		echo '#define	m(r)	-4(r)'
-		;;
-	*)
-		echo '#define	get_tls(r)'
-		echo '#define	g(r)	0(GS)'
-		echo '#define	m(r)	4(GS)'
-		;;
-	esac
-	;;
-amd64)
-	case "$GOOS" in
-	windows)
-		echo '#define	get_tls(r) MOVQ 0x28(GS), r'
-		echo '#define	g(r) 0(r)'
-		echo '#define	m(r) 8(r)'
-		;;
-	*)
-		# The offsets 0 and 8 are known to:
-		#	../../cmd/6l/pass.c:/D_GS
-		#	cgo/gcc_linux_amd64.c:/^threadentry
-		#	cgo/gcc_darwin_amd64.c:/^threadentry
-		#
-		echo '#define	get_tls(r)'
-		echo '#define	g(r) 0(GS)'
-		echo '#define	m(r) 8(GS)'
-		;;
-	esac
-	;;
-arm)
-	echo '#define	g	R10'
-	echo '#define	m	R9'
-	echo '#define	LR	R14'
-	;;
-*)
-	echo 'unknown $GOARCH: '$GOARCH 1>&2
-	exit 1
-	;;
-esac
-echo
-
-"$CC" $CFLAGS -a proc.c |
-awk '
-{ gsub(/\r/, ""); }
-/^aggr G$/ { aggr="g" }
-/^aggr M$/ { aggr = "m" }
-/^aggr Gobuf$/ { aggr = "gobuf" }
-/^aggr WinCall$/ { aggr = "wincall" }
-/^}/ { aggr = "" }
-
-#	Gobuf 24 sched;
-#	'Y' 48 stack0;
-#	'Y' 56 entry;
-#	'A' G 64 alllink;
-aggr != "" && /^	/ {
-	name=$NF;
-	sub(/;/, "", name);
-	offset=$(NF-1);
-	printf("#define %s_%s %s\n", aggr, name, offset);
-}
-'