1 /* Copyright (C) 2002, 2004 Red Hat, Inc. 2 This file is part of Red Hat elfutils. 3 Written by Ulrich Drepper <drepper (at) redhat.com>, 2002. 4 5 Red Hat elfutils is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by the 7 Free Software Foundation; version 2 of the License. 8 9 Red Hat elfutils is distributed in the hope that it will be useful, but 10 WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 General Public License for more details. 13 14 You should have received a copy of the GNU General Public License along 15 with Red Hat elfutils; if not, write to the Free Software Foundation, 16 Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. 17 18 Red Hat elfutils is an included package of the Open Invention Network. 19 An included package of the Open Invention Network is a package for which 20 Open Invention Network licensees cross-license their patents. No patent 21 license is granted, either expressly or impliedly, by designation as an 22 included package. Should you wish to participate in the Open Invention 23 Network licensing program, please visit www.openinventionnetwork.com 24 <http://www.openinventionnetwork.com>. */ 25 26 #ifdef HAVE_CONFIG_H 27 # include <config.h> 28 #endif 29 30 #include <fcntl.h> 31 #include <libelf.h> 32 #include ELFUTILS_HEADER(dw) 33 #include <stdio.h> 34 #include <unistd.h> 35 36 37 static const Dwarf_Addr testaddr[] = 38 { 39 0x804842b, 0x804842c, 0x804843c, 0x8048459, 0x804845a, 40 0x804845b, 0x804845c, 0x8048460, 0x8048465, 0x8048466, 41 0x8048467, 0x8048468, 0x8048470, 0x8048471, 0x8048472 42 }; 43 #define ntestaddr (sizeof (testaddr) / sizeof (testaddr[0])) 44 45 46 int 47 main (int argc, char *argv[]) 48 { 49 int result = 0; 50 int cnt; 51 52 for (cnt = 1; cnt < argc; ++cnt) 53 { 54 int fd = open (argv[cnt], O_RDONLY); 55 56 Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ); 57 if (dbg == NULL) 58 { 59 printf ("%s not usable\n", argv[cnt]); 60 result = 1; 61 close (fd); 62 continue; 63 } 64 65 Dwarf_Aranges *aranges; 66 size_t naranges; 67 if (dwarf_getaranges (dbg, &aranges, &naranges) != 0) 68 printf ("%s: cannot get aranges\n", argv[cnt]); 69 else 70 { 71 for (size_t i = 0; i < ntestaddr; ++i) 72 { 73 Dwarf_Arange *found; 74 75 found = dwarf_getarange_addr (aranges, testaddr[i]); 76 if (found != NULL) 77 { 78 Dwarf_Off cu_offset; 79 80 if (dwarf_getarangeinfo (found, NULL, NULL, &cu_offset) != 0) 81 { 82 puts ("failed to get CU die offset"); 83 result = 1; 84 } 85 else 86 { 87 const char *cuname; 88 Dwarf_Die cu_die; 89 90 if (dwarf_offdie (dbg, cu_offset, &cu_die) == NULL 91 || (cuname = dwarf_diename (&cu_die)) == NULL) 92 { 93 puts ("failed to get CU die"); 94 result = 1; 95 } 96 else 97 printf ("CU name: \"%s\"\n", cuname); 98 } 99 } 100 else 101 printf ("%#llx: not in range\n", 102 (unsigned long long int) testaddr[i]); 103 } 104 105 for (size_t i = 0; i < naranges; ++i) 106 { 107 Dwarf_Arange *arange = dwarf_onearange (aranges, i); 108 if (arange == NULL) 109 { 110 printf ("cannot get arange %zu: %s\n", i, dwarf_errmsg (-1)); 111 break; 112 } 113 114 Dwarf_Addr start; 115 Dwarf_Word length; 116 Dwarf_Off cu_offset; 117 118 if (dwarf_getarangeinfo (arange, &start, &length, &cu_offset) 119 != 0) 120 { 121 printf ("cannot get info from aranges[%zu]\n", i); 122 result = 1; 123 } 124 else 125 { 126 printf (" [%2zu] start: %#llx, length: %llu, cu: %llu\n", 127 i, (unsigned long long int) start, 128 (unsigned long long int) length, 129 (unsigned long long int) cu_offset); 130 131 const char *cuname; 132 Dwarf_Die cu_die; 133 if (dwarf_offdie (dbg, cu_offset, &cu_die) == NULL 134 || (cuname = dwarf_diename (&cu_die)) == NULL) 135 { 136 puts ("failed to get CU die"); 137 result = 1; 138 } 139 else 140 printf ("CU name: \"%s\"\n", cuname); 141 } 142 } 143 } 144 145 dwarf_end (dbg); 146 close (fd); 147 } 148 149 return result; 150 } 151
