1 /* Perform an inferior function call, for GDB, the GNU debugger. 2 3 Copyright (C) 2003-2019 Free Software Foundation, Inc. 4 5 This file is part of GDB. 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 #ifndef INFCALL_H 21 #define INFCALL_H 22 23 #include "dummy-frame.h" 24 #include "common/array-view.h" 25 26 struct value; 27 struct type; 28 29 /* Determine a function's address and its return type from its value. 30 If the function is a GNU ifunc, then return the address of the 31 target function, and set *FUNCTION_TYPE to the target function's 32 type, and *RETVAL_TYPE to the target function's return type. 33 Calls error() if the function is not valid for calling. */ 34 35 extern CORE_ADDR find_function_addr (struct value *function, 36 struct type **retval_type, 37 struct type **function_type = NULL); 38 39 /* Perform a function call in the inferior. 40 41 ARGS is a vector of values of arguments. FUNCTION is a value, the 42 function to be called. Returns a value representing what the 43 function returned. May fail to return, if a breakpoint or signal 44 is hit during the execution of the function. 45 46 DFEAULT_RETURN_TYPE is used as function return type if the return 47 type is unknown. This is used when calling functions with no debug 48 info. 49 50 ARGS is modified to contain coerced values. */ 51 52 extern struct value *call_function_by_hand (struct value *function, 53 type *default_return_type, 54 gdb::array_view<value *> args); 55 56 /* Similar to call_function_by_hand and additional call 57 register_dummy_frame_dtor with DUMMY_DTOR and DUMMY_DTOR_DATA for the 58 created inferior call dummy frame. */ 59 60 extern struct value * 61 call_function_by_hand_dummy (struct value *function, 62 type *default_return_type, 63 gdb::array_view<value *> args, 64 dummy_frame_dtor_ftype *dummy_dtor, 65 void *dummy_dtor_data); 66 67 /* Throw an error indicating that the user tried to call a function 68 that has unknown return type. FUNC_NAME is the name of the 69 function to be included in the error message; may be NULL, in which 70 case the error message doesn't include a function name. */ 71 72 extern void error_call_unknown_return_type (const char *func_name); 73 74 #endif 75