Roland McGrath | 9a1f365 | 2005-08-18 20:57:04 +0000 | [diff] [blame] | 1 | /* Test program for dwarf_getscopes. |
| 2 | Copyright (C) 2005 Red Hat, Inc. |
Ulrich Drepper | 361df7d | 2006-04-04 21:38:57 +0000 | [diff] [blame] | 3 | This file is part of Red Hat elfutils. |
Roland McGrath | 9a1f365 | 2005-08-18 20:57:04 +0000 | [diff] [blame] | 4 | |
Ulrich Drepper | 361df7d | 2006-04-04 21:38:57 +0000 | [diff] [blame] | 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. |
Roland McGrath | 9a1f365 | 2005-08-18 20:57:04 +0000 | [diff] [blame] | 8 | |
Ulrich Drepper | 361df7d | 2006-04-04 21:38:57 +0000 | [diff] [blame] | 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, |
Ulrich Drepper | 1e9ef50 | 2006-04-04 22:29:06 +0000 | [diff] [blame] | 16 | Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. |
Ulrich Drepper | 361df7d | 2006-04-04 21:38:57 +0000 | [diff] [blame] | 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>. */ |
Roland McGrath | 9a1f365 | 2005-08-18 20:57:04 +0000 | [diff] [blame] | 25 | |
| 26 | #include <config.h> |
| 27 | #include <assert.h> |
| 28 | #include <inttypes.h> |
Roland McGrath | d7f8d0c | 2005-11-17 02:32:03 +0000 | [diff] [blame] | 29 | #include ELFUTILS_HEADER(dwfl) |
Roland McGrath | 9a1f365 | 2005-08-18 20:57:04 +0000 | [diff] [blame] | 30 | #include <dwarf.h> |
| 31 | #include <argp.h> |
| 32 | #include <stdio.h> |
| 33 | #include <stdio_ext.h> |
| 34 | #include <locale.h> |
| 35 | #include <stdlib.h> |
| 36 | #include <error.h> |
| 37 | #include <string.h> |
| 38 | |
| 39 | |
| 40 | static void |
| 41 | paddr (const char *prefix, Dwarf_Addr addr, Dwfl_Line *line) |
| 42 | { |
| 43 | const char *src; |
| 44 | int lineno, linecol; |
| 45 | if (line != NULL |
| 46 | && (src = dwfl_lineinfo (line, &addr, &lineno, &linecol, |
| 47 | NULL, NULL)) != NULL) |
| 48 | { |
| 49 | if (linecol != 0) |
| 50 | printf ("%s%#" PRIx64 " (%s:%d:%d)", |
| 51 | prefix, addr, src, lineno, linecol); |
| 52 | else |
| 53 | printf ("%s%#" PRIx64 " (%s:%d)", |
| 54 | prefix, addr, src, lineno); |
| 55 | } |
| 56 | else |
| 57 | printf ("%s%#" PRIx64, prefix, addr); |
| 58 | } |
| 59 | |
Roland McGrath | 9a1f365 | 2005-08-18 20:57:04 +0000 | [diff] [blame] | 60 | static void |
| 61 | print_vars (unsigned int indent, Dwarf_Die *die) |
| 62 | { |
| 63 | Dwarf_Die child; |
| 64 | if (dwarf_child (die, &child) == 0) |
| 65 | do |
| 66 | switch (dwarf_tag (&child)) |
| 67 | { |
| 68 | case DW_TAG_variable: |
| 69 | case DW_TAG_formal_parameter: |
| 70 | printf ("%*s%-30s[%6" PRIx64 "]\n", indent, "", |
Roland McGrath | 71e15a0 | 2005-08-27 10:33:26 +0000 | [diff] [blame] | 71 | dwarf_diename (&child), |
Roland McGrath | 9a1f365 | 2005-08-18 20:57:04 +0000 | [diff] [blame] | 72 | (uint64_t) dwarf_dieoffset (&child)); |
| 73 | break; |
| 74 | default: |
| 75 | break; |
| 76 | } |
| 77 | while (dwarf_siblingof (&child, &child) == 0); |
| 78 | |
| 79 | Dwarf_Attribute attr_mem; |
| 80 | Dwarf_Die origin; |
| 81 | if (dwarf_hasattr (die, DW_AT_abstract_origin) |
| 82 | && dwarf_formref_die (dwarf_attr (die, DW_AT_abstract_origin, &attr_mem), |
| 83 | &origin) != NULL |
| 84 | && dwarf_child (&origin, &child) == 0) |
| 85 | do |
| 86 | switch (dwarf_tag (&child)) |
| 87 | { |
| 88 | case DW_TAG_variable: |
| 89 | case DW_TAG_formal_parameter: |
| 90 | printf ("%*s%s (abstract)\n", indent, "", |
Roland McGrath | 71e15a0 | 2005-08-27 10:33:26 +0000 | [diff] [blame] | 91 | dwarf_diename (&child)); |
Roland McGrath | 9a1f365 | 2005-08-18 20:57:04 +0000 | [diff] [blame] | 92 | break; |
| 93 | default: |
| 94 | break; |
| 95 | } |
| 96 | while (dwarf_siblingof (&child, &child) == 0); |
| 97 | } |
| 98 | |
| 99 | |
| 100 | #define INDENT 4 |
| 101 | |
| 102 | static void |
| 103 | handle_address (GElf_Addr pc, Dwfl *dwfl) |
| 104 | { |
| 105 | Dwarf_Addr cubias; |
| 106 | Dwarf_Die *cudie = dwfl_addrdie (dwfl, pc, &cubias); |
| 107 | if (cudie == NULL) |
| 108 | error (EXIT_FAILURE, 0, "dwfl_addrdie: %s", dwfl_errmsg (-1)); |
| 109 | |
| 110 | Dwarf_Die *scopes; |
| 111 | int n = dwarf_getscopes (cudie, pc - cubias, &scopes); |
| 112 | if (n < 0) |
| 113 | error (EXIT_FAILURE, 0, "dwarf_getscopes: %s", dwarf_errmsg (-1)); |
| 114 | else if (n == 0) |
| 115 | printf ("%#" PRIx64 ": not in any scope\n", pc); |
| 116 | else |
| 117 | { |
| 118 | printf ("%#" PRIx64 ":\n", pc); |
| 119 | unsigned int indent = 0; |
| 120 | while (n-- > 0) |
| 121 | { |
| 122 | Dwarf_Die *const die = &scopes[n]; |
| 123 | |
| 124 | indent += INDENT; |
| 125 | printf ("%*s%s (%#x)", indent, "", |
Roland McGrath | 71e15a0 | 2005-08-27 10:33:26 +0000 | [diff] [blame] | 126 | dwarf_diename (die) ?: "<unnamed>", |
Roland McGrath | 9a1f365 | 2005-08-18 20:57:04 +0000 | [diff] [blame] | 127 | dwarf_tag (die)); |
| 128 | |
| 129 | Dwarf_Addr lowpc, highpc; |
| 130 | if (dwarf_lowpc (die, &lowpc) == 0 |
| 131 | && dwarf_highpc (die, &highpc) == 0) |
| 132 | { |
Roland McGrath | b0bc278 | 2005-08-27 21:07:16 +0000 | [diff] [blame] | 133 | lowpc += cubias; |
| 134 | highpc += cubias; |
Roland McGrath | 9a1f365 | 2005-08-18 20:57:04 +0000 | [diff] [blame] | 135 | Dwfl_Line *loline = dwfl_getsrc (dwfl, lowpc); |
| 136 | Dwfl_Line *hiline = dwfl_getsrc (dwfl, highpc); |
| 137 | paddr (": ", lowpc, loline); |
| 138 | if (highpc != lowpc) |
| 139 | paddr (" .. ", lowpc, hiline == loline ? NULL : hiline); |
| 140 | } |
| 141 | puts (""); |
| 142 | |
| 143 | print_vars (indent + INDENT, die); |
| 144 | } |
| 145 | } |
| 146 | } |
| 147 | |
| 148 | int |
| 149 | main (int argc, char *argv[]) |
| 150 | { |
| 151 | int remaining; |
| 152 | |
| 153 | /* Set locale. */ |
| 154 | (void) setlocale (LC_ALL, ""); |
| 155 | |
| 156 | Dwfl *dwfl = NULL; |
| 157 | (void) argp_parse (dwfl_standard_argp (), argc, argv, 0, &remaining, &dwfl); |
| 158 | assert (dwfl != NULL); |
| 159 | |
| 160 | int result = 0; |
| 161 | |
| 162 | /* Now handle the addresses. In case none are given on the command |
| 163 | line, read from stdin. */ |
| 164 | if (remaining == argc) |
| 165 | { |
| 166 | /* We use no threads here which can interfere with handling a stream. */ |
| 167 | (void) __fsetlocking (stdin, FSETLOCKING_BYCALLER); |
| 168 | |
| 169 | char *buf = NULL; |
| 170 | size_t len = 0; |
| 171 | while (!feof_unlocked (stdin)) |
| 172 | { |
| 173 | if (getline (&buf, &len, stdin) < 0) |
| 174 | break; |
| 175 | |
| 176 | char *endp; |
| 177 | uintmax_t addr = strtoumax (buf, &endp, 0); |
| 178 | if (endp != buf) |
| 179 | handle_address (addr, dwfl); |
| 180 | else |
| 181 | result = 1; |
| 182 | } |
| 183 | |
| 184 | free (buf); |
| 185 | } |
| 186 | else |
| 187 | { |
| 188 | do |
| 189 | { |
| 190 | char *endp; |
| 191 | uintmax_t addr = strtoumax (argv[remaining], &endp, 0); |
| 192 | if (endp != argv[remaining]) |
| 193 | handle_address (addr, dwfl); |
| 194 | else |
| 195 | result = 1; |
| 196 | } |
| 197 | while (++remaining < argc); |
| 198 | } |
| 199 | |
Roland McGrath | 994b489 | 2005-12-05 22:46:21 +0000 | [diff] [blame] | 200 | dwfl_end (dwfl); |
| 201 | |
Roland McGrath | 9a1f365 | 2005-08-18 20:57:04 +0000 | [diff] [blame] | 202 | return result; |
| 203 | } |