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106 lines
2.5 KiB
106 lines
2.5 KiB
/* Test program for dwfl_module_return_value_location. |
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Copyright (C) 2005 Red Hat, Inc. |
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This file is part of elfutils. |
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This file is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 3 of the License, or |
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(at your option) any later version. |
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elfutils is distributed in the hope that it will be useful, but |
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WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
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#include <config.h> |
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#include <assert.h> |
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#include <inttypes.h> |
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#include ELFUTILS_HEADER(dwfl) |
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#include <dwarf.h> |
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#include <argp.h> |
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#include <stdio.h> |
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#include <stdio_ext.h> |
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#include <locale.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <fnmatch.h> |
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#include "system.h" |
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struct args |
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{ |
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Dwfl *dwfl; |
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Dwarf_Die *cu; |
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Dwarf_Addr dwbias; |
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char **argv; |
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}; |
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static int |
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handle_function (Dwarf_Die *funcdie, void *arg) |
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{ |
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struct args *a = arg; |
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const char *name = dwarf_diename (funcdie); |
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char **argv = a->argv; |
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if (argv[0] != NULL) |
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{ |
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bool match; |
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do |
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match = fnmatch (*argv, name, 0) == 0; |
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while (!match && *++argv); |
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if (!match) |
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return 0; |
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} |
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printf ("(%s) %s: ", dwfl_module_info (dwfl_cumodule (a->cu), NULL, |
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NULL, NULL, |
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NULL, NULL, |
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NULL, NULL), name); |
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const Dwarf_Op *locops; |
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int nlocops = dwfl_module_return_value_location (dwfl_cumodule (a->cu), |
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funcdie, &locops); |
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if (nlocops < 0) |
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error (EXIT_FAILURE, 0, "dwfl_module_return_value_location: %s", |
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dwfl_errmsg (-1)); |
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else if (nlocops == 0) |
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puts ("returns no value"); |
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else |
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{ |
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printf ("return value location:"); |
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for (int i = 0; i < nlocops; ++i) |
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printf (" {%#x, %#" PRIx64 "}", locops[i].atom, locops[i].number); |
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puts (""); |
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} |
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return 0; |
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} |
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int |
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main (int argc, char *argv[]) |
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{ |
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int remaining; |
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/* Set locale. */ |
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(void) setlocale (LC_ALL, ""); |
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struct args a = { .dwfl = NULL, .cu = NULL }; |
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(void) argp_parse (dwfl_standard_argp (), argc, argv, 0, &remaining, |
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&a.dwfl); |
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assert (a.dwfl != NULL); |
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a.argv = &argv[remaining]; |
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int result = 0; |
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while ((a.cu = dwfl_nextcu (a.dwfl, a.cu, &a.dwbias)) != NULL) |
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dwarf_getfuncs (a.cu, &handle_function, &a, 0); |
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dwfl_end (a.dwfl); |
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return result; |
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}
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