| 1 | #!/usr/bin/python |
| 2 | # |
| 3 | # Generate wrapper macros: hybris/include/hybris/internal/binding.h |
| 4 | # |
| 5 | # Usage: |
| 6 | # python utils/generate_wrapper_macros.py >hybris/include/hybris/internal/binding.h |
| 7 | # |
| 8 | # Copyright (C) 2013 Jolla Ltd. |
| 9 | # Contact: Thomas Perl <thomas.perl@jollamobile.com> |
| 10 | # |
| 11 | # Redistribution and use in source and binary forms, with or without |
| 12 | # modification, are permitted provided that the following conditions are met: |
| 13 | # |
| 14 | # 1. Redistributions of source code must retain the above copyright notice, this |
| 15 | # list of conditions and the following disclaimer. |
| 16 | # 2. Redistributions in binary form must reproduce the above copyright notice, |
| 17 | # this list of conditions and the following disclaimer in the documentation |
| 18 | # and/or other materials provided with the distribution. |
| 19 | # |
| 20 | # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| 21 | # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 22 | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 23 | # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR |
| 24 | # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 25 | # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 26 | # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 27 | # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 28 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 29 | # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 30 | # |
| 31 | |
| 32 | # Maximum number of arguments to generate wrapper macros for |
| 33 | MAX_ARGS = 20 |
| 34 | |
| 35 | BEGIN, END = '{', '}' |
| 36 | |
| 37 | AUTO_GENERATED_WARNING = """ |
| 38 | /** |
| 39 | * XXX AUTO-GENERATED FILE XXX |
| 40 | * |
| 41 | * Do not edit this file directly, but update the templates in |
| 42 | * utils/generate_wrapper_macros.py and run it again to build |
| 43 | * an updated version of this header file: |
| 44 | * |
| 45 | * python utils/generate_wrapper_macros.py > \\ |
| 46 | * hybris/include/hybris/internal/binding.h |
| 47 | * |
| 48 | * If you need macros with more arguments, just customize the |
| 49 | * MAX_ARGS variable in generate_wrapper_macros.py. |
| 50 | * |
| 51 | * XXX AUTO-GENERATED FILE XXX |
| 52 | **/ |
| 53 | """ |
| 54 | |
| 55 | print """ |
| 56 | /** |
| 57 | * Copyright (C) 2013 Simon Busch <morphis@gravedo.de> |
| 58 | * 2012 Canonical Ltd |
| 59 | * 2013 Jolla Ltd. |
| 60 | * |
| 61 | * Auto-generated via "generate_wrapper_macros.py" |
| 62 | * |
| 63 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 64 | * you may not use this file except in compliance with the License. |
| 65 | * You may obtain a copy of the License at |
| 66 | * |
| 67 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 68 | * |
| 69 | * Unless required by applicable law or agreed to in writing, software |
| 70 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 71 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 72 | * See the License for the specific language governing permissions and |
| 73 | * limitations under the License. |
| 74 | **/ |
| 75 | |
| 76 | #ifndef HYBRIS_BINDING_H_ |
| 77 | #define HYBRIS_BINDING_H_ |
| 78 | |
| 79 | /* floating_point_abi.h defines FP_ATTRIB */ |
| 80 | #include <hybris/internal/floating_point_abi.h> |
| 81 | |
| 82 | void *android_dlopen(const char *filename, int flag); |
| 83 | void *android_dlsym(void *name, const char *symbol); |
| 84 | int android_dlclose(void *handle); |
| 85 | const char *android_dlerror(void); |
| 86 | int android_dladdr(const void *addr, void *info); |
| 87 | """ |
| 88 | |
| 89 | print AUTO_GENERATED_WARNING |
| 90 | |
| 91 | print """ |
| 92 | #define HYBRIS_DLSYSM(name, fptr, sym) \\ |
| 93 | if (!name##_handle) \\ |
| 94 | hybris_##name##_initialize(); \\ |
| 95 | if (*(fptr) == NULL) \\ |
| 96 | { \\ |
| 97 | *(fptr) = (void *) android_dlsym(name##_handle, sym); \\ |
| 98 | } |
| 99 | |
| 100 | #define HYBRIS_LIBRARY_INITIALIZE(name, path) \\ |
| 101 | void *name##_handle; \\ |
| 102 | void hybris_##name##_initialize() \\ |
| 103 | { \\ |
| 104 | name##_handle = android_dlopen(path, RTLD_LAZY); \\ |
| 105 | } |
| 106 | |
| 107 | """ |
| 108 | |
| 109 | for count in range(MAX_ARGS): |
| 110 | args = ['a%d' % (x+1) for x in range(count)] |
| 111 | names = ['n%d' % (x+1) for x in range(count)] |
| 112 | wrapper_signature = ', '.join(['name', 'return_type', 'symbol'] + args) |
| 113 | signature = ', '.join(args) |
| 114 | signature_with_names = ', '.join(' '.join(x) for x in zip(args, names)) |
| 115 | call_names = ', '.join(names) |
| 116 | |
| 117 | print """ |
| 118 | #define HYBRIS_IMPLEMENT_FUNCTION{count}({wrapper_signature}) \\ |
| 119 | return_type symbol({signature_with_names}) \\ |
| 120 | {BEGIN} \\ |
| 121 | static return_type (*f)({signature}) FP_ATTRIB = NULL; \\ |
| 122 | HYBRIS_DLSYSM(name, &f, #symbol); \\ |
| 123 | return f({call_names}); \\ |
| 124 | {END} |
| 125 | """.format(**locals()) |
| 126 | |
| 127 | for count in range(MAX_ARGS): |
| 128 | args = ['a%d' % (x+1) for x in range(count)] |
| 129 | names = ['n%d' % (x+1) for x in range(count)] |
| 130 | wrapper_signature = ', '.join(['name', 'symbol'] + args) |
| 131 | signature = ', '.join(args) |
| 132 | signature_with_names = ', '.join(' '.join(x) for x in zip(args, names)) |
| 133 | call_names = ', '.join(names) |
| 134 | print """ |
| 135 | #define HYBRIS_IMPLEMENT_VOID_FUNCTION{count}({wrapper_signature}) \\ |
| 136 | void symbol({signature_with_names}) \\ |
| 137 | {BEGIN} \\ |
| 138 | static void (*f)({signature}) FP_ATTRIB = NULL; \\ |
| 139 | HYBRIS_DLSYSM(name, &f, #symbol); \\ |
| 140 | f({call_names}); \\ |
| 141 | {END} |
| 142 | """.format(**locals()) |
| 143 | |
| 144 | # Print it again, so people wanting to append new macros will see it |
| 145 | print AUTO_GENERATED_WARNING |
| 146 | |
| 147 | print """ |
| 148 | #endif /* HYBRIS_BINDING_H_ */ |
| 149 | """ |
| 150 | |