The Android Open Source Project | 593c365 | 2008-10-21 07:00:00 -0700 | [diff] [blame^] | 1 | /* Copyright (C) 2002, 2004 Red Hat, Inc. |
| 2 | Written by Ulrich Drepper <drepper@redhat.com>, 2002. |
| 3 | |
| 4 | This program is Open Source software; you can redistribute it and/or |
| 5 | modify it under the terms of the Open Software License version 1.0 as |
| 6 | published by the Open Source Initiative. |
| 7 | |
| 8 | You should have received a copy of the Open Software License along |
| 9 | with this program; if not, you may obtain a copy of the Open Software |
| 10 | License version 1.0 from http://www.opensource.org/licenses/osl.php or |
| 11 | by writing the Open Source Initiative c/o Lawrence Rosen, Esq., |
| 12 | 3001 King Ranch Road, Ukiah, CA 95482. */ |
| 13 | |
| 14 | #include <fcntl.h> |
| 15 | #include <libelf.h> |
| 16 | #include <libdw.h> |
| 17 | #include <stdio.h> |
| 18 | #include <unistd.h> |
| 19 | |
| 20 | |
| 21 | static const Dwarf_Addr testaddr[] = |
| 22 | { |
| 23 | 0x804842b, 0x804842c, 0x804843c, 0x8048459, 0x804845a, |
| 24 | 0x804845b, 0x804845c, 0x8048460, 0x8048465, 0x8048466, |
| 25 | 0x8048467, 0x8048468, 0x8048470, 0x8048471, 0x8048472 |
| 26 | }; |
| 27 | #define ntestaddr (sizeof (testaddr) / sizeof (testaddr[0])) |
| 28 | |
| 29 | |
| 30 | int |
| 31 | main (int argc, char *argv[]) |
| 32 | { |
| 33 | int result = 0; |
| 34 | int cnt; |
| 35 | |
| 36 | for (cnt = 1; cnt < argc; ++cnt) |
| 37 | { |
| 38 | int fd = open (argv[cnt], O_RDONLY); |
| 39 | |
| 40 | Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ); |
| 41 | if (dbg == NULL) |
| 42 | { |
| 43 | printf ("%s not usable\n", argv[cnt]); |
| 44 | result = 1; |
| 45 | close (fd); |
| 46 | continue; |
| 47 | } |
| 48 | |
| 49 | Dwarf_Aranges *aranges; |
| 50 | size_t naranges; |
| 51 | if (dwarf_getaranges (dbg, &aranges, &naranges) != 0) |
| 52 | printf ("%s: cannot get aranges\n", argv[cnt]); |
| 53 | else |
| 54 | { |
| 55 | for (size_t i = 0; i < ntestaddr; ++i) |
| 56 | { |
| 57 | Dwarf_Arange *found; |
| 58 | |
| 59 | found = dwarf_getarange_addr (aranges, testaddr[i]); |
| 60 | if (found != NULL) |
| 61 | { |
| 62 | Dwarf_Off cu_offset; |
| 63 | |
| 64 | if (dwarf_getarangeinfo (found, NULL, NULL, &cu_offset) != 0) |
| 65 | { |
| 66 | puts ("failed to get CU die offset"); |
| 67 | result = 1; |
| 68 | } |
| 69 | else |
| 70 | { |
| 71 | const char *cuname; |
| 72 | Dwarf_Die cu_die; |
| 73 | |
| 74 | if (dwarf_offdie (dbg, cu_offset, &cu_die) == NULL |
| 75 | || (cuname = dwarf_diename (&cu_die)) == NULL) |
| 76 | { |
| 77 | puts ("failed to get CU die"); |
| 78 | result = 1; |
| 79 | } |
| 80 | else |
| 81 | printf ("CU name: \"%s\"\n", cuname); |
| 82 | } |
| 83 | } |
| 84 | else |
| 85 | printf ("%#llx: not in range\n", |
| 86 | (unsigned long long int) testaddr[i]); |
| 87 | } |
| 88 | |
| 89 | for (size_t i = 0; i < naranges; ++i) |
| 90 | { |
| 91 | Dwarf_Arange *arange = dwarf_onearange (aranges, i); |
| 92 | if (arange == NULL) |
| 93 | { |
| 94 | printf ("cannot get arange %zu: %s\n", i, dwarf_errmsg (-1)); |
| 95 | break; |
| 96 | } |
| 97 | |
| 98 | Dwarf_Addr start; |
| 99 | Dwarf_Word length; |
| 100 | Dwarf_Off cu_offset; |
| 101 | |
| 102 | if (dwarf_getarangeinfo (arange, &start, &length, &cu_offset) |
| 103 | != 0) |
| 104 | { |
| 105 | printf ("cannot get info from aranges[%zu]\n", i); |
| 106 | result = 1; |
| 107 | } |
| 108 | else |
| 109 | { |
| 110 | printf (" [%2zu] start: %#llx, length: %llu, cu: %llu\n", |
| 111 | i, (unsigned long long int) start, |
| 112 | (unsigned long long int) length, |
| 113 | (unsigned long long int) cu_offset); |
| 114 | |
| 115 | const char *cuname; |
| 116 | Dwarf_Die cu_die; |
| 117 | if (dwarf_offdie (dbg, cu_offset, &cu_die) == NULL |
| 118 | || (cuname = dwarf_diename (&cu_die)) == NULL) |
| 119 | { |
| 120 | puts ("failed to get CU die"); |
| 121 | result = 1; |
| 122 | } |
| 123 | else |
| 124 | printf ("CU name: \"%s\"\n", cuname); |
| 125 | } |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | dwarf_end (dbg); |
| 130 | close (fd); |
| 131 | } |
| 132 | |
| 133 | return result; |
| 134 | } |