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