source: svn/newcon3bcm2_21bu/nexus/build/tools/kernelproxy/bapi_build.pl

#!/usr/bin/perl
#     (c)2003-2011 Broadcom Corporation
#
#  This program is the proprietary software of Broadcom Corporation and/or its licensors,
#  and may only be used, duplicated, modified or distributed pursuant to the terms and
#  conditions of a separate, written license agreement executed between you and Broadcom
#  (an "Authorized License").  Except as set forth in an Authorized License, Broadcom grants
#  no license (express or implied), right to use, or waiver of any kind with respect to the
#  Software, and Broadcom expressly reserves all rights in and to the Software and all
#  intellectual property rights therein.  IF YOU HAVE NO AUTHORIZED LICENSE, THEN YOU
#  HAVE NO RIGHT TO USE THIS SOFTWARE IN ANY WAY, AND SHOULD IMMEDIATELY
#  NOTIFY BROADCOM AND DISCONTINUE ALL USE OF THE SOFTWARE.
#
#  Except as expressly set forth in the Authorized License,
#
#  1.     This program, including its structure, sequence and organization, constitutes the valuable trade
#  secrets of Broadcom, and you shall use all reasonable efforts to protect the confidentiality thereof,
#  and to use this information only in connection with your use of Broadcom integrated circuit products.
#
#  2.     TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
#  AND WITH ALL FAULTS AND BROADCOM MAKES NO PROMISES, REPRESENTATIONS OR
#  WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
#  THE SOFTWARE.  BROADCOM SPECIFICALLY DISCLAIMS ANY AND ALL IMPLIED WARRANTIES
#  OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE,
#  LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION
#  OR CORRESPONDENCE TO DESCRIPTION. YOU ASSUME THE ENTIRE RISK ARISING OUT OF
#  USE OR PERFORMANCE OF THE SOFTWARE.
#
#  3.     TO THE MAXIMUM EXTENT PERMITTED BY LAW, IN NO EVENT SHALL BROADCOM OR ITS
#  LICENSORS BE LIABLE FOR (i) CONSEQUENTIAL, INCIDENTAL, SPECIAL, INDIRECT, OR
#  EXEMPLARY DAMAGES WHATSOEVER ARISING OUT OF OR IN ANY WAY RELATING TO YOUR
#  USE OF OR INABILITY TO USE THE SOFTWARE EVEN IF BROADCOM HAS BEEN ADVISED OF
#  THE POSSIBILITY OF SUCH DAMAGES; OR (ii) ANY AMOUNT IN EXCESS OF THE AMOUNT
#  ACTUALLY PAID FOR THE SOFTWARE ITSELF OR U.S. $1, WHICHEVER IS GREATER. THESE
#  LIMITATIONS SHALL APPLY NOTWITHSTANDING ANY FAILURE OF ESSENTIAL PURPOSE OF
#  ANY LIMITED REMEDY.
#
# $brcm_Workfile: bapi_build.pl $
# $brcm_Revision: 9 $
# $brcm_Date: 8/8/11 5:10p $
#
# File Description:
#
# Revision History:
#
# $brcm_Log: /nexus/build/tools/kernelproxy/bapi_build.pl $
# 
# 9   8/8/11 5:10p erickson
# SW7420-1689: add untrusted client api enforcement
# 
# 6   12/7/10 5:47p erickson
# SW7420-1148: refactor kernel mode proxy for process isolation
# 
# 5   11/3/10 5:32p erickson
# SW7420-1223: exclude nexus_base_mmap.h from thunks
# 
# 4   9/15/10 3:44p jtna
# SW7420-1004: add synthunk for CORE and PLATFORM
# 
# 3   7/14/10 11:56a erickson
# SW7405-4621: exclude nexus_base_os.h from thunk
#
# 2   9/22/09 1:54p gmohile
# SW7405-3060 : Export kernel symbols
#
# 1   1/18/08 2:15p jgarrett
# PR 38808: Merging to main branch
#
# Nexus_Devel/2   1/11/08 4:27p vsilyaev
# PR 38682: Adding kernel support
#
# Nexus_Devel/1   9/27/07 1:33p erickson
# PR35395: initial impl
#
#############################################################################
use strict;

use lib "../common";
use bapi_parse_c;
use bapi_ioctl_def;
use bapi_usercall;
use bapi_driver_ioctl;
use bapi_kernel_export;
use bapi_untrusted_api;

my $file;
my @funcs;
my %structs;

if ($#ARGV == -1) {
    print "Usage: perl bapi_build.pl module destdir class_handles file1.h file2.h ...\n";
    exit;
}

# Process all files on the command line
my $module = shift @ARGV;
my $module_lc = lc $module;
my $destdir = shift @ARGV;

# read class_handles.inc file into a list
my $class_list_file = shift @ARGV;
open FILE, $class_list_file;
my @class_handles = <FILE>;
close FILE;
chomp @class_handles;

for $file (@ARGV) {
    #print "Parsing $file\n";
    if (($file =~ /_init.h$/ && $file !~ /nexus_platform_init.h$/) ||
        $file =~ /nexus_base_\w+.h$/) {
        next;
    }
    push @funcs, bapi_parse_c::get_func_prototypes $file;

    my $file_structs = bapi_parse_c::parse_struct $file;
    my $name;
    my $members;
    while (($name, $members) = each %$file_structs) {
        $structs{$name} = $members;
    }
}

# Build the perl datastructure
my @funcrefs = bapi_parse_c::parse_funcs @funcs;

# Print out the perl datastructure
#bapi_parse_c::print_api @funcrefs;
#bapi_parse_c::print_struct \%structs;

my $version = bapi_parse_c::version_api @funcrefs;
$version = ($version * 0x10000) + bapi_parse_c::version_struct \%structs;

my $untrusted_api = bapi_untrusted_api::parse "../common/nexus_untrusted_api.txt";

# Build thunk layer
bapi_ioctl_def::generate "${destdir}/" . (bapi_common::ioctl_header $module) , $module, 101, $version, @funcrefs;
bapi_usercall::generate "${destdir}/nexus_${module_lc}_proxy.c", $module, \%structs, @funcrefs;
bapi_kernel_export::generate "${destdir}/nexus_${module_lc}_kernel_export.c", $module_lc, @funcrefs;
bapi_driver_ioctl::generate "${destdir}/nexus_${module_lc}_driver.c", $module, $version, \%structs, \@funcrefs, \@class_handles, $untrusted_api;