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 76 #if BUILDING_GCC_VERSION >= 4009 77 namespace { 78 static const pass_data _PASS_NAME_PASS_DATA = { 79 #else 80 static struct simple_ipa_opt_pass _PASS_NAME_PASS = { 81 .pass = { 82 #endif 83 .type = SIMPLE_IPA_PASS, 84 .name = _PASS_NAME_NAME, 85 #if BUILDING_GCC_VERSION >= 4008 86 .optinfo_flags = OPTGROUP_NONE, 87 #endif 88 #if BUILDING_GCC_VERSION >= 5000 89 #elif BUILDING_GCC_VERSION == 4009 90 .has_gate = _HAS_GATE, 91 .has_execute = _HAS_EXECUTE, 92 #else 93 .gate = _GATE, 94 .execute = _EXECUTE, 95 .sub = NULL, 96 .next = NULL, 97 .static_pass_number = 0, 98 #endif 99 .tv_id = TV_NONE, 100 .properties_required = PROPERTIES_REQUIRED, 101 .properties_provided = PROPERTIES_PROVIDED, 102 .properties_destroyed = PROPERTIES_DESTROYED, 103 .todo_flags_start = TODO_FLAGS_START, 104 .todo_flags_finish = TODO_FLAGS_FINISH, 105 #if BUILDING_GCC_VERSION < 4009 106 } 107 #endif 108 }; 109 110 #if BUILDING_GCC_VERSION >= 4009 111 class _PASS_NAME_PASS : public simple_ipa_opt_pass { 112 public: 113 _PASS_NAME_PASS() : simple_ipa_opt_pass(_PASS_NAME_PASS_DATA, g) {} 114 115 #ifndef NO_GATE 116 #if BUILDING_GCC_VERSION >= 5000 117 virtual bool gate(function *) { return _GATE(); } 118 #else 119 virtual bool gate(void) { return _GATE(); } 120 #endif 121 #endif 122 123 virtual opt_pass *clone() { return new _PASS_NAME_PASS(); } 124 125 #ifndef NO_EXECUTE 126 #if BUILDING_GCC_VERSION >= 5000 127 virtual unsigned int execute(function *) { return _EXECUTE(); } 128 #else 129 virtual unsigned int execute(void) { return _EXECUTE(); } 130 #endif 131 #endif 132 }; 133 } 134 135 opt_pass *_MAKE_PASS_NAME_PASS(void) 136 { 137 return new _PASS_NAME_PASS(); 138 } 139 #else 140 struct opt_pass *_MAKE_PASS_NAME_PASS(void) 141 { 142 return &_PASS_NAME_PASS.pass; 143 } 144 #endif 145 146 /* clean up user provided defines */ 147 #undef PASS_NAME 148 #undef NO_GATE 149 #undef NO_EXECUTE 150 151 #undef PROPERTIES_DESTROYED 152 #undef PROPERTIES_PROVIDED 153 #undef PROPERTIES_REQUIRED 154 #undef TODO_FLAGS_FINISH 155 #undef TODO_FLAGS_START 156 157 /* clean up generated defines */ 158 #undef _EXECUTE 159 #undef __EXECUTE 160 #undef _GATE 161 #undef __GATE 162 #undef _GCC_PLUGIN_CONCAT2 163 #undef _GCC_PLUGIN_CONCAT3 164 #undef _GCC_PLUGIN_STRINGIFY 165 #undef __GCC_PLUGIN_STRINGIFY 166 #undef _HAS_EXECUTE 167 #undef _HAS_GATE 168 #undef _MAKE_PASS_NAME_PASS 169 #undef __MAKE_PASS_NAME_PASS 170 #undef _PASS_NAME_NAME 171 #undef _PASS_NAME_PASS 172 #undef __PASS_NAME_PASS 173 #undef _PASS_NAME_PASS_DATA 174 #undef __PASS_NAME_PASS_DATA 175 176 #endif /* PASS_NAME */ 177
