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107 lines
2.5 KiB
C
107 lines
2.5 KiB
C
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/* 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 <error.h>
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#include <string.h>
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#include <fnmatch.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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