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1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Generator for SIMPLE_IPA pass related boilerplate code/data
4 *
5 * Supports gcc 4.5-6
6 *
7 * Usage:
8 *
9 * 1. before inclusion define PASS_NAME
10 * 2. before inclusion define NO_* for unimplemented callbacks
11 * NO_GATE
12 * NO_EXECUTE
13 * 3. before inclusion define PROPERTIES_* and TODO_FLAGS_* to override
14 * the default 0 values
15 * 4. for convenience, all the above will be undefined after inclusion!
16 * 5. the only exported name is make_PASS_NAME_pass() to register with gcc
17 */
18
19#ifndef PASS_NAME
20#error at least PASS_NAME must be defined
21#else
22#define __GCC_PLUGIN_STRINGIFY(n) #n
23#define _GCC_PLUGIN_STRINGIFY(n) __GCC_PLUGIN_STRINGIFY(n)
24#define _GCC_PLUGIN_CONCAT2(x, y) x ## y
25#define _GCC_PLUGIN_CONCAT3(x, y, z) x ## y ## z
26
27#define __PASS_NAME_PASS_DATA(n) _GCC_PLUGIN_CONCAT2(n, _pass_data)
28#define _PASS_NAME_PASS_DATA __PASS_NAME_PASS_DATA(PASS_NAME)
29
30#define __PASS_NAME_PASS(n) _GCC_PLUGIN_CONCAT2(n, _pass)
31#define _PASS_NAME_PASS __PASS_NAME_PASS(PASS_NAME)
32
33#define _PASS_NAME_NAME _GCC_PLUGIN_STRINGIFY(PASS_NAME)
34
35#define __MAKE_PASS_NAME_PASS(n) _GCC_PLUGIN_CONCAT3(make_, n, _pass)
36#define _MAKE_PASS_NAME_PASS __MAKE_PASS_NAME_PASS(PASS_NAME)
37
38#ifdef NO_GATE
39#define _GATE NULL
40#define _HAS_GATE false
41#else
42#define __GATE(n) _GCC_PLUGIN_CONCAT2(n, _gate)
43#define _GATE __GATE(PASS_NAME)
44#define _HAS_GATE true
45#endif
46
47#ifdef NO_EXECUTE
48#define _EXECUTE NULL
49#define _HAS_EXECUTE false
50#else
51#define __EXECUTE(n) _GCC_PLUGIN_CONCAT2(n, _execute)
52#define _EXECUTE __EXECUTE(PASS_NAME)
53#define _HAS_EXECUTE true
54#endif
55
56#ifndef PROPERTIES_REQUIRED
57#define PROPERTIES_REQUIRED 0
58#endif
59
60#ifndef PROPERTIES_PROVIDED
61#define PROPERTIES_PROVIDED 0
62#endif
63
64#ifndef PROPERTIES_DESTROYED
65#define PROPERTIES_DESTROYED 0
66#endif
67
68#ifndef TODO_FLAGS_START
69#define TODO_FLAGS_START 0
70#endif
71
72#ifndef TODO_FLAGS_FINISH
73#define TODO_FLAGS_FINISH 0
74#endif
75
76namespace {
77static const pass_data _PASS_NAME_PASS_DATA = {
78 .type = SIMPLE_IPA_PASS,
79 .name = _PASS_NAME_NAME,
80 .optinfo_flags = OPTGROUP_NONE,
81 .tv_id = TV_NONE,
82 .properties_required = PROPERTIES_REQUIRED,
83 .properties_provided = PROPERTIES_PROVIDED,
84 .properties_destroyed = PROPERTIES_DESTROYED,
85 .todo_flags_start = TODO_FLAGS_START,
86 .todo_flags_finish = TODO_FLAGS_FINISH,
87};
88
89class _PASS_NAME_PASS : public simple_ipa_opt_pass {
90public:
91 _PASS_NAME_PASS() : simple_ipa_opt_pass(_PASS_NAME_PASS_DATA, g) {}
92
93#ifndef NO_GATE
94 virtual bool gate(function *) { return _GATE(); }
95#endif
96
97 virtual opt_pass *clone() { return new _PASS_NAME_PASS(); }
98
99#ifndef NO_EXECUTE
100 virtual unsigned int execute(function *) { return _EXECUTE(); }
101#endif
102};
103}
104
105opt_pass *_MAKE_PASS_NAME_PASS(void)
106{
107 return new _PASS_NAME_PASS();
108}
109
110/* clean up user provided defines */
111#undef PASS_NAME
112#undef NO_GATE
113#undef NO_EXECUTE
114
115#undef PROPERTIES_DESTROYED
116#undef PROPERTIES_PROVIDED
117#undef PROPERTIES_REQUIRED
118#undef TODO_FLAGS_FINISH
119#undef TODO_FLAGS_START
120
121/* clean up generated defines */
122#undef _EXECUTE
123#undef __EXECUTE
124#undef _GATE
125#undef __GATE
126#undef _GCC_PLUGIN_CONCAT2
127#undef _GCC_PLUGIN_CONCAT3
128#undef _GCC_PLUGIN_STRINGIFY
129#undef __GCC_PLUGIN_STRINGIFY
130#undef _HAS_EXECUTE
131#undef _HAS_GATE
132#undef _MAKE_PASS_NAME_PASS
133#undef __MAKE_PASS_NAME_PASS
134#undef _PASS_NAME_NAME
135#undef _PASS_NAME_PASS
136#undef __PASS_NAME_PASS
137#undef _PASS_NAME_PASS_DATA
138#undef __PASS_NAME_PASS_DATA
139
140#endif /* PASS_NAME */
141

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source code of linux/scripts/gcc-plugins/gcc-generate-simple_ipa-pass.h