Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame^] | 1 | /* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004, 2005 Red Hat, Inc. |
| 2 | Written by Ulrich Drepper <drepper@redhat.com>, 1998. |
| 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 <config.h> |
| 15 | |
| 16 | #include <fcntl.h> |
| 17 | #include <inttypes.h> |
| 18 | #include <libdw.h> |
| 19 | #include <stdio.h> |
| 20 | #include <unistd.h> |
| 21 | |
| 22 | |
| 23 | int |
| 24 | main (int argc, char *argv[]) |
| 25 | { |
| 26 | int cnt; |
| 27 | |
| 28 | for (cnt = 1; cnt < argc; ++cnt) |
| 29 | { |
| 30 | int fd = open (argv[cnt], O_RDONLY); |
| 31 | Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ); |
| 32 | if (dbg == NULL) |
| 33 | { |
| 34 | printf ("%s not usable: %s\n", argv[cnt], dwarf_errmsg (-1)); |
| 35 | close (fd); |
| 36 | continue; |
| 37 | } |
| 38 | |
| 39 | Dwarf_Off cuoff = 0; |
| 40 | Dwarf_Off old_cuoff = 0; |
| 41 | size_t hsize; |
| 42 | while (dwarf_nextcu (dbg, cuoff, &cuoff, &hsize, NULL, NULL, NULL) == 0) |
| 43 | { |
| 44 | /* Get the DIE for the CU. */ |
| 45 | Dwarf_Die die; |
| 46 | if (dwarf_offdie (dbg, old_cuoff + hsize, &die) == NULL) |
| 47 | /* Something went wrong. */ |
| 48 | break; |
| 49 | |
| 50 | Dwarf_Off offset = 0; |
| 51 | |
| 52 | while (1) |
| 53 | { |
| 54 | size_t length; |
| 55 | Dwarf_Abbrev *abbrev = dwarf_getabbrev (&die, offset, &length); |
| 56 | if (abbrev == NULL || abbrev == DWARF_END_ABBREV) |
| 57 | /* End of the list. */ |
| 58 | break; |
| 59 | |
| 60 | unsigned tag = dwarf_getabbrevtag (abbrev); |
| 61 | if (tag == 0) |
| 62 | { |
| 63 | printf ("dwarf_getabbrevtag at offset %llu returned error: %s\n", |
| 64 | (unsigned long long int) offset, |
| 65 | dwarf_errmsg (-1)); |
| 66 | break; |
| 67 | } |
| 68 | |
| 69 | unsigned code = dwarf_getabbrevcode (abbrev); |
| 70 | if (code == 0) |
| 71 | { |
| 72 | printf ("dwarf_getabbrevcode at offset %llu returned error: %s\n", |
| 73 | (unsigned long long int) offset, |
| 74 | dwarf_errmsg (-1)); |
| 75 | break; |
| 76 | } |
| 77 | |
| 78 | int children = dwarf_abbrevhaschildren (abbrev); |
| 79 | if (children < 0) |
| 80 | { |
| 81 | printf ("dwarf_abbrevhaschildren at offset %llu returned error: %s\n", |
| 82 | (unsigned long long int) offset, |
| 83 | dwarf_errmsg (-1)); |
| 84 | break; |
| 85 | } |
| 86 | |
| 87 | printf ("abbrev[%llu]: code = %u, tag = %u, children = %d\n", |
| 88 | (unsigned long long int) offset, code, tag, children); |
| 89 | |
| 90 | size_t attrcnt; |
| 91 | if (dwarf_getattrcnt (abbrev, &attrcnt) != 0) |
| 92 | { |
| 93 | printf ("dwarf_getattrcnt at offset %llu returned error: %s\n", |
| 94 | (unsigned long long int) offset, |
| 95 | dwarf_errmsg (-1)); |
| 96 | break; |
| 97 | } |
| 98 | |
| 99 | unsigned int attr_num; |
| 100 | unsigned int attr_form; |
| 101 | Dwarf_Off aboffset; |
| 102 | size_t j; |
| 103 | for (j = 0; j < attrcnt; ++j) |
| 104 | if (dwarf_getabbrevattr (abbrev, j, &attr_num, &attr_form, |
| 105 | &aboffset)) |
| 106 | printf ("dwarf_getabbrevattr for abbrev[%llu] and index %zu failed\n", |
| 107 | (unsigned long long int) offset, j); |
| 108 | else |
| 109 | printf ("abbrev[%llu]: attr[%zu]: code = %u, form = %u, offset = %" PRIu64 "\n", |
| 110 | (unsigned long long int) offset, j, attr_num, |
| 111 | attr_form, (uint64_t) aboffset); |
| 112 | |
| 113 | offset += length; |
| 114 | } |
| 115 | |
| 116 | old_cuoff = cuoff; |
| 117 | } |
| 118 | |
| 119 | if (dwarf_end (dbg) != 0) |
| 120 | printf ("dwarf_end failed for %s: %s\n", argv[cnt], |
| 121 | dwarf_errmsg (-1)); |
| 122 | |
| 123 | close (fd); |
| 124 | } |
| 125 | |
| 126 | return 0; |
| 127 | } |