1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* |
3 | * Generator for RTL 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 | |
76 | namespace { |
77 | static const pass_data _PASS_NAME_PASS_DATA = { |
78 | .type = RTL_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 | |
89 | class _PASS_NAME_PASS : public rtl_opt_pass { |
90 | public: |
91 | _PASS_NAME_PASS() : rtl_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 | |
105 | opt_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 | |