1 /* 2 * This file is part of ltrace. 3 * Copyright (C) 2012 Petr Machata, Red Hat Inc. 4 * Copyright (C) 2003,2008,2009 Juan Cespedes 5 * Copyright (C) 2006 Ian Wienand 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License as 9 * published by the Free Software Foundation; either version 2 of the 10 * License, or (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, but 13 * WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * 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, write to the Free Software 19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 20 * 02110-1301 USA 21 */ 22 23 #include <stdio.h> 24 #include <stdarg.h> 25 26 #include "common.h" 27 #include "backend.h" 28 29 void 30 debug_(int level, const char *file, int line, const char *fmt, ...) { 31 char buf[1024]; 32 va_list args; 33 34 if (!(options.debug & level)) { 35 return; 36 } 37 va_start(args, fmt); 38 vsnprintf(buf, 1024, fmt, args); 39 va_end(args); 40 41 output_line(NULL, "DEBUG: %s:%d: %s", file, line, buf); 42 fflush(options.output); 43 } 44 45 static int 46 xwritedump(long *ptr, arch_addr_t addr, size_t count) 47 { 48 size_t i; 49 for (i = 0; i < count; ++i) { 50 if (fprintf(stderr, "%p->%0*lx\n", 51 addr, 2 * (int)sizeof(long), ptr[i]) < 0) 52 return -1; 53 addr += sizeof(long); 54 } 55 56 return 0; 57 } 58 59 int 60 xinfdump(struct process *proc, arch_addr_t addr, size_t length) 61 { 62 unsigned char buf[length]; 63 size_t got = umovebytes(proc, addr, buf, length); 64 if (got == (size_t)-1) 65 return -1; 66 return xwritedump((long *)buf, addr, got / sizeof(long)); 67 } 68
