| /* Test program for dwfl_report_offline_memory. |
| Copyright (C) 2022 Google LLC |
| This file is part of elfutils. |
| |
| This file is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| elfutils is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| #include <config.h> |
| |
| #include <assert.h> |
| #include <fcntl.h> |
| #include <locale.h> |
| #include <stdio.h> |
| #include <stdio_ext.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include ELFUTILS_HEADER(dwfl) |
| #include "system.h" |
| |
| |
| static const Dwfl_Callbacks offline_callbacks = |
| { |
| .find_debuginfo = INTUSE(dwfl_standard_find_debuginfo), |
| .section_address = INTUSE(dwfl_offline_section_address), |
| }; |
| |
| static int |
| count_modules (Dwfl_Module *mod __attribute__ ((unused)), |
| void **userdata __attribute__ ((unused)), |
| const char *name __attribute__ ((unused)), |
| Dwarf_Addr base __attribute__ ((unused)), void *arg) |
| { |
| unsigned long long *counter = arg; |
| ++(*counter); |
| return DWARF_CB_OK; |
| } |
| |
| int |
| main (int argc, char **argv) |
| { |
| /* We use no threads here which can interfere with handling a stream. */ |
| (void) __fsetlocking (stdout, FSETLOCKING_BYCALLER); |
| |
| /* Set locale. */ |
| (void) setlocale (LC_ALL, ""); |
| |
| if (argc != 3) |
| error (-1, 0, |
| "usage: dwfl_report_offline_memory [filename] " |
| "[expected number of modules]"); |
| |
| const char *fname = argv[1]; |
| int fd = open (fname, O_RDONLY); |
| if (fd < 0) |
| error (-1, 0, "can't open file %s: %s", fname, strerror (errno)); |
| off_t size = lseek (fd, 0, SEEK_END); |
| if (size < 0) |
| error (-1, 0, "can't lseek file %s: %s", fname, strerror (errno)); |
| lseek (fd, 0, SEEK_SET); |
| char *data = malloc (size); |
| if (data == NULL) |
| error (-1, 0, "can't malloc: %s", strerror (errno)); |
| ssize_t bytes_read = read (fd, data, size); |
| assert (bytes_read == size); |
| close (fd); |
| |
| Dwfl *dwfl = dwfl_begin (&offline_callbacks); |
| assert (dwfl != NULL); |
| |
| Dwfl_Module *mod = |
| dwfl_report_offline_memory (dwfl, argv[1], argv[1], data, size); |
| assert (mod != NULL); |
| dwfl_report_end (dwfl, NULL, NULL); |
| |
| unsigned long long number_of_modules = 0; |
| ptrdiff_t offset = |
| dwfl_getmodules (dwfl, &count_modules, &number_of_modules, 0); |
| if (offset < 0) |
| error (1, 0, "dwfl_getmodules: %s", dwfl_errmsg (-1)); |
| assert (offset == 0); |
| |
| char *endptr; |
| unsigned long long expected_number_of_modules = |
| strtoull (argv[2], &endptr, 0); |
| assert (endptr && !*endptr); |
| assert (number_of_modules == expected_number_of_modules); |
| |
| dwfl_end (dwfl); |
| free (data); |
| |
| return 0; |
| } |