| 1 | /* Dummy exception handling and frame unwind runtime interface routines. |
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| 2 | Copyright (C) 2004-2022 Free Software Foundation, Inc. |
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| 3 | |
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| 4 | This file is part of the GNU C Library. |
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| 5 | |
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| 6 | The GNU C Library is free software; you can redistribute it and/or |
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| 7 | modify it under the terms of the GNU Lesser General Public |
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| 8 | License as published by the Free Software Foundation; either |
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| 9 | version 2.1 of the License, or (at your option) any later version. |
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| 10 | |
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| 11 | The GNU C Library is distributed in the hope that it will be useful, |
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | Lesser General Public License for more details. |
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| 15 | |
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| 16 | You should have received a copy of the GNU Lesser General Public |
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| 17 | License along with the GNU C Library. If not, see |
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| 18 | <https://www.gnu.org/licenses/>. */ |
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| 19 | |
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| 20 | /* ARM uses setjmp-longjmp exceptions. However, previous versions of |
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| 21 | GNU libc exported some DWARF-2 exception handling support routines. |
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| 22 | They are not necessary, but older (or broken) configurations of GCC |
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| 23 | will do so. Even though all references to these are weak, because |
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| 24 | they refer to versioned symbols, they must be provided. */ |
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| 25 | |
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| 26 | #include <stdlib.h> |
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| 27 | #include <unwind.h> |
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| 28 | #include <unwind-dw2-fde.h> |
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| 29 | |
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| 30 | /* These may be called from startup code, but don't need to do |
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| 31 | anything. */ |
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| 32 | |
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| 33 | void __register_frame_info_bases (void *a1, struct object *a2, |
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| 34 | void *a3, void *a4) |
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| 35 | { |
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| 36 | } |
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| 37 | |
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| 38 | void __register_frame_info (void *a1, struct object *a2) |
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| 39 | { |
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| 40 | } |
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| 41 | |
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| 42 | void __register_frame (void *a1) |
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| 43 | { |
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| 44 | } |
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| 45 | |
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| 46 | void __register_frame_info_table_bases (void *a1, struct object *a2, |
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| 47 | void *a3, void *a4) |
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| 48 | { |
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| 49 | } |
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| 50 | |
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| 51 | void __register_frame_info_table (void *a1, struct object *a2) |
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| 52 | { |
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| 53 | } |
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| 54 | |
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| 55 | void __register_frame_table (void *a1) |
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| 56 | { |
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| 57 | } |
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| 58 | |
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| 59 | void *__deregister_frame_info (void *a1) |
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| 60 | { |
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| 61 | return NULL; |
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| 62 | } |
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| 63 | |
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| 64 | void *__deregister_frame_info_bases (void *a1) |
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| 65 | { |
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| 66 | return NULL; |
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| 67 | } |
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| 68 | |
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| 69 | void __deregister_frame (void *a1) |
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| 70 | { |
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| 71 | } |
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| 72 | |
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| 73 | /* This should not be called. */ |
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| 74 | |
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| 75 | fde * |
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| 76 | _Unwind_Find_FDE (void *a1, struct dwarf_eh_bases *a2) |
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| 77 | { |
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| 78 | abort (); |
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| 79 | } |
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| 80 | |
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