+++ /dev/null
-#!/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);
-}
-'