1 /* Debugging routines for the remote server for GDB. 2 Copyright (C) 2014-2020 Free Software Foundation, Inc. 3 4 This file is part of GDB. 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 18 19 #ifndef GDBSERVER_DEBUG_H 20 #define GDBSERVER_DEBUG_H 21 22 #if !defined (IN_PROCESS_AGENT) 23 extern int remote_debug; 24 25 /* Switch all debug output to DEBUG_FILE. If DEBUG_FILE is nullptr or an 26 empty string, or if the file cannot be opened, then debug output is sent to 27 stderr. */ 28 void debug_set_output (const char *debug_file); 29 #endif 30 31 extern int using_threads; 32 33 /* Enable miscellaneous debugging output. The name is historical - it 34 was originally used to debug LinuxThreads support. */ 35 36 extern int debug_threads; 37 38 extern int debug_timestamp; 39 40 void debug_flush (void); 41 void do_debug_enter (const char *function_name); 42 void do_debug_exit (const char *function_name); 43 44 /* Async signal safe debug output function that calls write directly. */ 45 ssize_t debug_write (const void *buf, size_t nbyte); 46 47 /* These macros are for use in major functions that produce a lot of 48 debugging output. They help identify in the mass of debugging output 49 when these functions enter and exit. debug_enter is intended to be 50 called at the start of a function, before any other debugging output. 51 debug_exit is intended to be called at the end of the same function, 52 after all debugging output. */ 53 #ifdef FUNCTION_NAME 54 #define debug_enter() \ 55 do { do_debug_enter (FUNCTION_NAME); } while (0) 56 #define debug_exit() \ 57 do { do_debug_exit (FUNCTION_NAME); } while (0) 58 #else 59 #define debug_enter() \ 60 do { } while (0) 61 #define debug_exit() \ 62 do { } while (0) 63 #endif 64 65 #endif /* GDBSERVER_DEBUG_H */ 66