Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame^] | 1 | /* Test program for libdwfl basic module tracking, relocation. |
| 2 | Copyright (C) 2005 Red Hat, Inc. |
| 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 | #include <assert.h> |
| 16 | #include <inttypes.h> |
| 17 | #include <sys/types.h> |
| 18 | #include <stdio.h> |
| 19 | #include <stdio_ext.h> |
| 20 | #include <stdlib.h> |
| 21 | #include <string.h> |
| 22 | #include <error.h> |
| 23 | #include <locale.h> |
| 24 | #include <argp.h> |
| 25 | #include <libdwfl.h> |
| 26 | |
| 27 | |
| 28 | static int |
| 29 | print_func (Dwarf_Func *func, void *arg) |
| 30 | { |
| 31 | const Dwarf_Addr dwbias = *(Dwarf_Addr *) arg; |
| 32 | |
| 33 | const char *file = dwarf_func_file (func); |
| 34 | int line = -1; |
| 35 | dwarf_func_line (func, &line); |
| 36 | const char *fct = dwarf_func_name (func); |
| 37 | |
| 38 | printf (" %s:%d: %s:", file, line, fct); |
| 39 | |
| 40 | Dwarf_Addr lo = -1, hi = -1, entry = -1; |
| 41 | if (dwarf_func_lowpc (func, &lo) == 0) |
| 42 | lo += dwbias; |
| 43 | else |
| 44 | printf (" (lowpc => %s)", dwarf_errmsg (-1)); |
| 45 | if (dwarf_func_highpc (func, &hi) == 0) |
| 46 | hi += dwbias; |
| 47 | else |
| 48 | printf (" (highpc => %s)", dwarf_errmsg (-1)); |
| 49 | if (dwarf_func_entrypc (func, &entry) == 0) |
| 50 | entry += dwbias; |
| 51 | else |
| 52 | printf (" (entrypc => %s)", dwarf_errmsg (-1)); |
| 53 | |
| 54 | if (lo != (Dwarf_Addr) -1 || hi != (Dwarf_Addr) -1 |
| 55 | || entry != (Dwarf_Addr) -1) |
| 56 | printf (" %#" PRIx64 "..%#" PRIx64 " => %#" PRIx64 "\n", |
| 57 | lo, hi, entry); |
| 58 | else |
| 59 | puts (""); |
| 60 | |
| 61 | return DWARF_CB_OK; |
| 62 | } |
| 63 | |
| 64 | static int |
| 65 | print_module (Dwfl_Module *mod __attribute__ ((unused)), |
| 66 | void **userdata __attribute__ ((unused)), |
| 67 | const char *name, Dwarf_Addr base, |
| 68 | Dwarf *dw, Dwarf_Addr bias, |
| 69 | void *arg __attribute__ ((unused))) |
| 70 | { |
| 71 | printf ("module: %30s %08" PRIx64 " %12p %" PRIx64 " (%s)\n", |
| 72 | name, base, dw, bias, dwfl_errmsg (-1)); |
| 73 | |
| 74 | if (dw != NULL) |
| 75 | { |
| 76 | Dwarf_Off off = 0; |
| 77 | size_t cuhl; |
| 78 | Dwarf_Off noff; |
| 79 | |
| 80 | while (dwarf_nextcu (dw, off, &noff, &cuhl, NULL, NULL, NULL) == 0) |
| 81 | { |
| 82 | Dwarf_Die die_mem; |
| 83 | Dwarf_Die *die = dwarf_offdie (dw, off + cuhl, &die_mem); |
| 84 | |
| 85 | (void) dwarf_getfuncs (die, print_func, &bias, 0); |
| 86 | |
| 87 | off = noff; |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | return DWARF_CB_OK; |
| 92 | } |
| 93 | |
| 94 | int |
| 95 | main (int argc, char **argv) |
| 96 | { |
| 97 | /* We use no threads here which can interfere with handling a stream. */ |
| 98 | (void) __fsetlocking (stdout, FSETLOCKING_BYCALLER); |
| 99 | |
| 100 | /* Set locale. */ |
| 101 | (void) setlocale (LC_ALL, ""); |
| 102 | |
| 103 | Dwfl *dwfl = NULL; |
| 104 | (void) argp_parse (dwfl_standard_argp (), argc, argv, 0, NULL, &dwfl); |
| 105 | assert (dwfl != NULL); |
| 106 | |
| 107 | ptrdiff_t p = 0; |
| 108 | do |
| 109 | p = dwfl_getdwarf (dwfl, &print_module, NULL, p); |
| 110 | while (p > 0); |
| 111 | if (p < 0) |
| 112 | error (2, 0, "dwfl_getdwarf: %s", dwfl_errmsg (-1)); |
| 113 | |
| 114 | dwfl_end (dwfl); |
| 115 | |
| 116 | return 0; |
| 117 | } |