Ben Cheng | 25b3c04 | 2013-11-20 14:45:36 -0800 | [diff] [blame] | 1 | /* Return machine flag names. |
| 2 | Copyright (C) 2001, 2002 Red Hat, Inc. |
Elliott Hughes | 0333382 | 2015-02-18 22:19:45 -0800 | [diff] [blame] | 3 | This file is part of elfutils. |
Ben Cheng | 25b3c04 | 2013-11-20 14:45:36 -0800 | [diff] [blame] | 4 | Written by Ulrich Drepper <drepper@redhat.com>, 2001. |
| 5 | |
Elliott Hughes | 0333382 | 2015-02-18 22:19:45 -0800 | [diff] [blame] | 6 | This file is free software; you can redistribute it and/or modify |
| 7 | it under the terms of either |
Ben Cheng | 25b3c04 | 2013-11-20 14:45:36 -0800 | [diff] [blame] | 8 | |
Elliott Hughes | 0333382 | 2015-02-18 22:19:45 -0800 | [diff] [blame] | 9 | * the GNU Lesser General Public License as published by the Free |
| 10 | Software Foundation; either version 3 of the License, or (at |
| 11 | your option) any later version |
| 12 | |
| 13 | or |
| 14 | |
| 15 | * the GNU General Public License as published by the Free |
| 16 | Software Foundation; either version 2 of the License, or (at |
| 17 | your option) any later version |
| 18 | |
| 19 | or both in parallel, as here. |
| 20 | |
| 21 | elfutils is distributed in the hope that it will be useful, but |
Ben Cheng | 25b3c04 | 2013-11-20 14:45:36 -0800 | [diff] [blame] | 22 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 23 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 24 | General Public License for more details. |
| 25 | |
Elliott Hughes | 0333382 | 2015-02-18 22:19:45 -0800 | [diff] [blame] | 26 | You should have received copies of the GNU General Public License and |
| 27 | the GNU Lesser General Public License along with this program. If |
| 28 | not, see <http://www.gnu.org/licenses/>. */ |
Ben Cheng | 25b3c04 | 2013-11-20 14:45:36 -0800 | [diff] [blame] | 29 | |
| 30 | #ifdef HAVE_CONFIG_H |
| 31 | # include <config.h> |
| 32 | #endif |
| 33 | |
| 34 | #include <stdio.h> |
| 35 | #include <string.h> |
| 36 | #include <libeblP.h> |
| 37 | |
| 38 | |
| 39 | const char * |
| 40 | ebl_machine_flag_name (ebl, flags, buf, len) |
| 41 | Ebl *ebl; |
| 42 | Elf64_Word flags; |
| 43 | char *buf; |
| 44 | size_t len; |
| 45 | { |
| 46 | const char *res; |
| 47 | |
| 48 | if (flags == 0) |
| 49 | res = ""; |
| 50 | else |
| 51 | { |
| 52 | char *cp = buf; |
| 53 | int first = 1; |
| 54 | const char *machstr; |
| 55 | size_t machstrlen; |
| 56 | |
| 57 | do |
| 58 | { |
| 59 | if (! first) |
| 60 | { |
| 61 | if (cp + 1 >= buf + len) |
| 62 | break; |
| 63 | *cp++ = ','; |
| 64 | } |
| 65 | |
| 66 | machstr = ebl != NULL ? ebl->machine_flag_name (&flags) : NULL; |
| 67 | if (machstr == NULL) |
| 68 | { |
| 69 | /* No more known flag. */ |
| 70 | snprintf (cp, buf + len - cp, "%#x", flags); |
| 71 | break; |
| 72 | } |
| 73 | |
| 74 | machstrlen = strlen (machstr) + 1; |
| 75 | if ((size_t) (buf + len - cp) < machstrlen) |
| 76 | { |
| 77 | *((char *) mempcpy (cp, machstr, buf + len - cp - 1)) = '\0'; |
| 78 | break; |
| 79 | } |
| 80 | |
| 81 | cp = mempcpy (cp, machstr, machstrlen); |
| 82 | |
| 83 | first = 0; |
| 84 | } |
| 85 | while (flags != 0); |
| 86 | |
| 87 | res = buf; |
| 88 | } |
| 89 | |
| 90 | return res; |
| 91 | } |