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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 |