#! /bin/sh
# CGEN generic assembler support code.
#
#   Copyright (C) 2000-2015 Free Software Foundation, Inc.
#
#   This file is part of the GNU opcodes library.
#
#   This library is free software; you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation; either version 3, or (at your option)
#   any later version.
#
#   It is distributed in the hope that it will be useful, but WITHOUT
#   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
#   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
#   License for more details.
#
#   You should have received a copy of the GNU General Public License along
#   with this program; if not, write to the Free Software Foundation, Inc.,
#   51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
#
# Generate CGEN opcode files: arch-desc.[ch], arch-opc.[ch],
# arch-asm.c, arch-dis.c, arch-opinst.c, arch-ibld.[ch].
#
# Usage:
# cgen.sh action srcdir cgen cgendir cgenflags arch prefix \
#         arch-file opc-file options [extrafiles]
#
# ACTION is currently always "opcodes". It exists to be consistent with the
# simulator.
# ARCH is the name of the architecture.
# It is substituted into @arch@ and @ARCH@ in the generated files.
# PREFIX is both the generated file prefix and is substituted into
# @prefix@ in the generated files.
# ARCH-FILE is the name of the .cpu file (including path).
# OPC-FILE is the name of the .opc file (including path).
# OPTIONS is comma separated list of options (???).
# EXTRAFILES is a space separated list (1 arg still) of extra files to build:
#	- opinst - arch-opinst.c is being made, causes semantic analysis
#
# We store the generated files in the source directory until we decide to
# ship a Scheme interpreter (or other implementation) with gdb/binutils.
# Maybe we never will.

# We want to behave like make, any error forces us to stop.
set -e

setglobal action = $1
setglobal srcdir = $2
setglobal cgen = $3
setglobal cgendir = $4
setglobal cgenflags = $5
setglobal arch = $6
setglobal prefix = $7
setglobal archfile = $8
setglobal opcfile = $9
shift ; setglobal options = $9

# List of extra files to build.
# Values: opinst (only 1 extra file at present)
shift ; setglobal extrafiles = $9

setglobal rootdir = "$(srcdir)/.."

# $arch is $6, as passed on the command line.
# $ARCH is the same argument but in all uppercase.
# Both forms are used in this script.

setglobal lowercase = ''abcdefghijklmnopqrstuvwxyz''
setglobal uppercase = ''ABCDEFGHIJKLMNOPQRSTUVWXYZ''
setglobal ARCH = $[echo $(arch) | tr $(lowercase) $(uppercase)]

# Allow parallel makes to run multiple cgen's without colliding.
setglobal tmp = "tmp-$Pid"

setglobal extrafile_args = ''""
for ef in [.. $extrafiles]
{
    match $ef {
    with .. 
    with opinst setglobal extrafile_args = ""-Q $(tmp)-opinst.c1 $extrafile_args"" 
    }
}

match $action {
with opcodes
	# Remove residual working files.
	rm -f $(tmp)-desc.h $(tmp)-desc.h1
	rm -f $(tmp)-desc.c $(tmp)-desc.c1
	rm -f $(tmp)-opc.h $(tmp)-opc.h1
	rm -f $(tmp)-opc.c $(tmp)-opc.c1
	rm -f $(tmp)-opinst.c $(tmp)-opinst.c1
	rm -f $(tmp)-ibld.h $(tmp)-ibld.h1
	rm -f $(tmp)-ibld.c $(tmp)-ibld.in1
	rm -f $(tmp)-asm.c $(tmp)-asm.in1
	rm -f $(tmp)-dis.c $(tmp)-dis.in1

	# Run CGEN.
	$(cgen) $(cgendir)/cgen-opc.scm \
		-s $(cgendir) \
		$(cgenflags) \
		-f $(options) \
		-m all \
		-a $(archfile) \
	        -OPC $(opcfile) \
		-H $(tmp)-desc.h1 \
		-C $(tmp)-desc.c1 \
		-O $(tmp)-opc.h1 \
		-P $(tmp)-opc.c1 \
		-L $(tmp)-ibld.in1 \
		-A $(tmp)-asm.in1 \
		-D $(tmp)-dis.in1 \
		$(extrafile_args)

	# Customise generated files for the particular architecture.
	sed -e "s/@ARCH@/$(ARCH)/g" -e "s/@arch@/$(arch)/g" \
	    -e 's/[ 	][ 	]*$//' < $(tmp)-desc.h1 > $(tmp)-desc.h
	$(rootdir)/move-if-change $(tmp)-desc.h $(srcdir)/$(prefix)-desc.h

	sed -e "s/@ARCH@/$(ARCH)/g" -e "s/@arch@/$(arch)/g" \
	    -e "s/@prefix@/$(prefix)/" -e 's/[ 	][ 	]*$//' \
	    < $(tmp)-desc.c1 > $(tmp)-desc.c
	$(rootdir)/move-if-change $(tmp)-desc.c $(srcdir)/$(prefix)-desc.c

	sed -e "s/@ARCH@/$(ARCH)/g" -e "s/@arch@/$(arch)/g" \
	    -e 's/[ 	][ 	]*$//' < $(tmp)-opc.h1 > $(tmp)-opc.h
	$(rootdir)/move-if-change $(tmp)-opc.h $(srcdir)/$(prefix)-opc.h

	sed -e "s/@ARCH@/$(ARCH)/g" -e "s/@arch@/$(arch)/g" \
	    -e "s/@prefix@/$(prefix)/" -e 's/[ 	][ 	]*$//' \
	    < $(tmp)-opc.c1 > $(tmp)-opc.c
	$(rootdir)/move-if-change $(tmp)-opc.c $(srcdir)/$(prefix)-opc.c

	match $extrafiles {
	with *opinst*
	  sed -e "s/@ARCH@/$(ARCH)/g" -e "s/@arch@/$(arch)/g" \
	      -e "s/@prefix@/$(prefix)/" -e 's/[ 	][ 	]*$//' \
	      < $(tmp)-opinst.c1 >$(tmp)-opinst.c
	  $(rootdir)/move-if-change $(tmp)-opinst.c $(srcdir)/$(prefix)-opinst.c
	  
	}

	cat $(srcdir)/cgen-ibld.in $(tmp)-ibld.in1 | \
	  sed -e "s/@ARCH@/$(ARCH)/g" -e "s/@arch@/$(arch)/g" \
	    -e "s/@prefix@/$(prefix)/" -e 's/[ 	][ 	]*$//' > $(tmp)-ibld.c
	$(rootdir)/move-if-change $(tmp)-ibld.c $(srcdir)/$(prefix)-ibld.c

	sed -e "/ -- assembler routines/ r $(tmp)-asm.in1" $(srcdir)/cgen-asm.in \
	  | sed -e "s/@ARCH@/$(ARCH)/g" -e "s/@arch@/$(arch)/g" \
		-e "s/@prefix@/$(prefix)/" -e 's/[ 	][ 	]*$//' \
	  > $(tmp)-asm.c
	$(rootdir)/move-if-change $(tmp)-asm.c $(srcdir)/$(prefix)-asm.c

	sed -e "/ -- disassembler routines/ r $(tmp)-dis.in1" $(srcdir)/cgen-dis.in \
	  | sed -e "s/@ARCH@/$(ARCH)/g" -e "s/@arch@/$(arch)/g" \
		-e "s/@prefix@/$(prefix)/" -e 's/[ 	][ 	]*$//' \
	  > $(tmp)-dis.c
	$(rootdir)/move-if-change $(tmp)-dis.c $(srcdir)/$(prefix)-dis.c

	# Remove temporary files.
	rm -f $(tmp)-desc.h1 $(tmp)-desc.c1
	rm -f $(tmp)-opc.h1 $(tmp)-opc.c1
	rm -f $(tmp)-opinst.c1
	rm -f $(tmp)-ibld.h1 $(tmp)-ibld.in1
	rm -f $(tmp)-asm.in1 $(tmp)-dis.in1
	

with *
	echo "$0: bad action: $(action)" > !2
	exit 1
	

}

exit 0