1 /* Interface between GCC C FE and GDB -*- c -*- 2 3 Copyright (C) 2014-2016 Free Software Foundation, Inc. 4 5 This file is part of GCC. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 19 20 21 22 /* Create a new "decl" in GCC. A decl is a declaration, basically a 23 kind of symbol. 24 25 NAME is the name of the new symbol. SYM_KIND is the kind of 26 symbol being requested. SYM_TYPE is the new symbol's C type; 27 except for labels, where this is not meaningful and should be 28 zero. If SUBSTITUTION_NAME is not NULL, then a reference to this 29 decl in the source will later be substituted with a dereference 30 of a variable of the given name. Otherwise, for symbols having 31 an address (e.g., functions), ADDRESS is the address. FILENAME 32 and LINE_NUMBER refer to the symbol's source location. If this 33 is not known, FILENAME can be NULL and LINE_NUMBER can be 0. 34 This function returns the new decl. */ 35 36 GCC_METHOD7 (gcc_decl, build_decl, 37 const char *, /* Argument NAME. */ 38 enum gcc_c_symbol_kind, /* Argument SYM_KIND. */ 39 gcc_type, /* Argument SYM_TYPE. */ 40 const char *, /* Argument SUBSTITUTION_NAME. */ 41 gcc_address, /* Argument ADDRESS. */ 42 const char *, /* Argument FILENAME. */ 43 unsigned int) /* Argument LINE_NUMBER. */ 44 45 /* Insert a GCC decl into the symbol table. DECL is the decl to 46 insert. IS_GLOBAL is true if this is an outermost binding, and 47 false if it is a possibly-shadowing binding. */ 48 49 GCC_METHOD2 (int /* bool */, bind, 50 gcc_decl, /* Argument DECL. */ 51 int /* bool */) /* Argument IS_GLOBAL. */ 52 53 /* Insert a tagged type into the symbol table. NAME is the tag name 54 of the type and TAGGED_TYPE is the type itself. TAGGED_TYPE must 55 be either a struct, union, or enum type, as these are the only 56 types that have tags. FILENAME and LINE_NUMBER refer to the type's 57 source location. If this is not known, FILENAME can be NULL and 58 LINE_NUMBER can be 0. */ 59 60 GCC_METHOD4 (int /* bool */, tagbind, 61 const char *, /* Argument NAME. */ 62 gcc_type, /* Argument TAGGED_TYPE. */ 63 const char *, /* Argument FILENAME. */ 64 unsigned int) /* Argument LINE_NUMBER. */ 65 66 /* Return the type of a pointer to a given base type. */ 67 68 GCC_METHOD1 (gcc_type, build_pointer_type, 69 gcc_type) /* Argument BASE_TYPE. */ 70 71 /* Create a new 'struct' type. Initially it has no fields. */ 72 73 GCC_METHOD0 (gcc_type, build_record_type) 74 75 /* Create a new 'union' type. Initially it has no fields. */ 76 77 GCC_METHOD0 (gcc_type, build_union_type) 78 79 /* Add a field to a struct or union type. FIELD_NAME is the field's 80 name. FIELD_TYPE is the type of the field. BITSIZE and BITPOS 81 indicate where in the struct the field occurs. */ 82 83 GCC_METHOD5 (int /* bool */, build_add_field, 84 gcc_type, /* Argument RECORD_OR_UNION_TYPE. */ 85 const char *, /* Argument FIELD_NAME. */ 86 gcc_type, /* Argument FIELD_TYPE. */ 87 unsigned long, /* Argument BITSIZE. */ 88 unsigned long) /* Argument BITPOS. */ 89 90 /* After all the fields have been added to a struct or union, the 91 struct or union type must be "finished". This does some final 92 cleanups in GCC. */ 93 94 GCC_METHOD2 (int /* bool */, finish_record_or_union, 95 gcc_type, /* Argument RECORD_OR_UNION_TYPE. */ 96 unsigned long) /* Argument SIZE_IN_BYTES. */ 97 98 /* Create a new 'enum' type. The new type initially has no 99 associated constants. */ 100 101 GCC_METHOD1 (gcc_type, build_enum_type, 102 gcc_type) /* Argument UNDERLYING_INT_TYPE. */ 103 104 /* Add a new constant to an enum type. NAME is the constant's 105 name and VALUE is its value. */ 106 107 GCC_METHOD3 (int /* bool */, build_add_enum_constant, 108 gcc_type, /* Argument ENUM_TYPE. */ 109 const char *, /* Argument NAME. */ 110 unsigned long) /* Argument VALUE. */ 111 112 /* After all the constants have been added to an enum, the type must 113 be "finished". This does some final cleanups in GCC. */ 114 115 GCC_METHOD1 (int /* bool */, finish_enum_type, 116 gcc_type) /* Argument ENUM_TYPE. */ 117 118 /* Create a new function type. RETURN_TYPE is the type returned by 119 the function, and ARGUMENT_TYPES is a vector, of length NARGS, of 120 the argument types. IS_VARARGS is true if the function is 121 varargs. */ 122 123 GCC_METHOD3 (gcc_type, build_function_type, 124 gcc_type, /* Argument RETURN_TYPE. */ 125 const struct gcc_type_array *, /* Argument ARGUMENT_TYPES. */ 126 int /* bool */) /* Argument IS_VARARGS. */ 127 128 /* Return an integer type with the given properties. */ 129 130 GCC_METHOD2 (gcc_type, int_type, 131 int /* bool */, /* Argument IS_UNSIGNED. */ 132 unsigned long) /* Argument SIZE_IN_BYTES. */ 133 134 /* Return a floating point type with the given properties. */ 135 136 GCC_METHOD1 (gcc_type, float_type, 137 unsigned long) /* Argument SIZE_IN_BYTES. */ 138 139 /* Return the 'void' type. */ 140 141 GCC_METHOD0 (gcc_type, void_type) 142 143 /* Return the 'bool' type. */ 144 145 GCC_METHOD0 (gcc_type, bool_type) 146 147 /* Create a new array type. If NUM_ELEMENTS is -1, then the array 148 is assumed to have an unknown length. */ 149 150 GCC_METHOD2 (gcc_type, build_array_type, 151 gcc_type, /* Argument ELEMENT_TYPE. */ 152 int) /* Argument NUM_ELEMENTS. */ 153 154 /* Create a new variably-sized array type. UPPER_BOUND_NAME is the 155 name of a local variable that holds the upper bound of the array; 156 it is one less than the array size. */ 157 158 GCC_METHOD2 (gcc_type, build_vla_array_type, 159 gcc_type, /* Argument ELEMENT_TYPE. */ 160 const char *) /* Argument UPPER_BOUND_NAME. */ 161 162 /* Return a qualified variant of a given base type. QUALIFIERS says 163 which qualifiers to use; it is composed of or'd together 164 constants from 'enum gcc_qualifiers'. */ 165 166 GCC_METHOD2 (gcc_type, build_qualified_type, 167 gcc_type, /* Argument UNQUALIFIED_TYPE. */ 168 enum gcc_qualifiers) /* Argument QUALIFIERS. */ 169 170 /* Build a complex type given its element type. */ 171 172 GCC_METHOD1 (gcc_type, build_complex_type, 173 gcc_type) /* Argument ELEMENT_TYPE. */ 174 175 /* Build a vector type given its element type and number of 176 elements. */ 177 178 GCC_METHOD2 (gcc_type, build_vector_type, 179 gcc_type, /* Argument ELEMENT_TYPE. */ 180 int) /* Argument NUM_ELEMENTS. */ 181 182 /* Build a constant. NAME is the constant's name and VALUE is its 183 value. FILENAME and LINE_NUMBER refer to the type's source 184 location. If this is not known, FILENAME can be NULL and 185 LINE_NUMBER can be 0. */ 186 187 GCC_METHOD5 (int /* bool */, build_constant, 188 gcc_type, /* Argument TYPE. */ 189 const char *, /* Argument NAME. */ 190 unsigned long, /* Argument VALUE. */ 191 const char *, /* Argument FILENAME. */ 192 unsigned int) /* Argument LINE_NUMBER. */ 193 194 /* Emit an error and return an error type object. */ 195 196 GCC_METHOD1 (gcc_type, error, 197 const char *) /* Argument MESSAGE. */ 198
