1 /* Dynamic loading of the libgcc unwinder. i386 customization. 2 Copyright (C) 2021 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #ifndef _ARCH_UNWIND_LINK_H 20 #define _ARCH_UNWIND_LINK_H 21 22 #define UNWIND_LINK_GETIP 1 23 #define UNWIND_LINK_FRAME_STATE_FOR 1 24 #define UNWIND_LINK_FRAME_ADJUSTMENT 0 25 #define UNWIND_LINK_EXTRA_FIELDS \ 26 __typeof (_Unwind_GetGR) *ptr__Unwind_GetGR; 27 #define UNWIND_LINK_EXTRA_INIT_SHARED \ 28 local.ptr__Unwind_GetGR \ 29 = __libc_dlsym (local_libgcc_handle, "_Unwind_GetGR"); \ 30 assert (local.ptr__Unwind_GetGR != NULL); 31 #ifdef PTR_MANGLE 32 # define UNWIND_LINK_EXTRA_INIT \ 33 UNWIND_LINK_EXTRA_INIT_SHARED \ 34 PTR_MANGLE (local.ptr__Unwind_GetGR); 35 #else 36 # define UNWIND_LINK_EXTRA_INIT UNWIND_LINK_EXTRA_INIT_SHARED 37 #endif 38 39 #endif /* _ARCH_UNWIND_LINK_H */ 40