1/* General utility routines for the remote server for GDB. 2 Copyright (C) 1986-2020 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#include "server.h" 20 21#ifdef IN_PROCESS_AGENT 22# define PREFIX "ipa: " 23# define TOOLNAME "GDBserver in-process agent" 24#else 25# define PREFIX "gdbserver: " 26# define TOOLNAME "GDBserver" 27#endif 28 29/* Generally useful subroutines used throughout the program. */ 30 31void 32malloc_failure (long size) 33{ 34 fprintf (stderr, 35 PREFIX "ran out of memory while trying to allocate %lu bytes\n", 36 (unsigned long) size); 37 exit (1); 38} 39 40/* Print the system error message for errno, and also mention STRING 41 as the file name for which the error was encountered. 42 Then return to command level. */ 43 44void 45perror_with_name (const char *string) 46{ 47 const char *err; 48 char *combined; 49 50 err = safe_strerror (errno); 51 if (err == NULL) 52 err = "unknown error"; 53 54 combined = (char *) alloca (strlen (err) + strlen (string) + 3); 55 strcpy (combined, string); 56 strcat (combined, ": "); 57 strcat (combined, err); 58 59 error ("%s.", combined); 60} 61 62/* Print an error message and return to top level. */ 63 64void 65verror (const char *string, va_list args) 66{ 67#ifdef IN_PROCESS_AGENT 68 fflush (stdout); 69 vfprintf (stderr, string, args); 70 fprintf (stderr, "\n"); 71 exit (1); 72#else 73 throw_verror (GENERIC_ERROR, string, args); 74#endif 75} 76 77void 78vwarning (const char *string, va_list args) 79{ 80 fprintf (stderr, PREFIX); 81 vfprintf (stderr, string, args); 82 fprintf (stderr, "\n"); 83} 84 85/* Report a problem internal to GDBserver, and exit. */ 86 87void 88internal_verror (const char *file, int line, const char *fmt, va_list args) 89{ 90 fprintf (stderr, "\ 91%s:%d: A problem internal to " TOOLNAME " has been detected.\n", file, line); 92 vfprintf (stderr, fmt, args); 93 fprintf (stderr, "\n"); 94 exit (1); 95} 96 97/* Report a problem internal to GDBserver. */ 98 99void 100internal_vwarning (const char *file, int line, const char *fmt, va_list args) 101{ 102 fprintf (stderr, "\ 103%s:%d: A problem internal to " TOOLNAME " has been detected.\n", file, line); 104 vfprintf (stderr, fmt, args); 105 fprintf (stderr, "\n"); 106} 107 108/* Convert a CORE_ADDR into a HEX string, like %lx. 109 The result is stored in a circular static buffer, NUMCELLS deep. */ 110 111char * 112paddress (CORE_ADDR addr) 113{ 114 return phex_nz (addr, sizeof (CORE_ADDR)); 115} 116