1 /* Frame unwinder for ia64 frames with libunwind frame information. 2 3 Copyright (C) 2003-2023 Free Software Foundation, Inc. 4 5 Contributed by Jeff Johnston. 6 7 This file is part of GDB. 8 9 This program is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 3 of the License, or 12 (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 21 22 #ifndef IA64_LIBUNWIND_TDEP_H 23 #define IA64_LIBUNWIND_TDEP_H 1 24 25 class frame_info_ptr; 26 struct frame_id; 27 struct regcache; 28 struct gdbarch; 29 struct frame_unwind; 30 31 /* IA-64 is the only target that currently uses libunwind. If some 32 other target wants to use it, we will need to do some abstracting 33 in order to make it possible to have more than one 34 ia64-libunwind-tdep instance. Including "libunwind.h" is wrong as 35 that ends up including the libunwind-$(arch).h for the host gdb is 36 running on. */ 37 #include "libunwind-ia64.h" 38 39 #include "gdbarch.h" 40 41 struct libunwind_descr 42 { 43 int (*gdb2uw) (int) = nullptr; 44 int (*uw2gdb) (int) = nullptr; 45 int (*is_fpreg) (int) = nullptr; 46 void *accessors = nullptr; 47 void *special_accessors = nullptr; 48 }; 49 50 int libunwind_frame_sniffer (const struct frame_unwind *self, 51 frame_info_ptr this_frame, 52 void **this_cache); 53 54 int libunwind_sigtramp_frame_sniffer (const struct frame_unwind *self, 55 frame_info_ptr this_frame, 56 void **this_cache); 57 58 void libunwind_frame_set_descr (struct gdbarch *arch, 59 struct libunwind_descr *descr); 60 61 void libunwind_frame_this_id (frame_info_ptr this_frame, void **this_cache, 62 struct frame_id *this_id); 63 struct value *libunwind_frame_prev_register (frame_info_ptr this_frame, 64 void **this_cache, int regnum); 65 void libunwind_frame_dealloc_cache (frame_info_ptr self, void *cache); 66 67 int libunwind_is_initialized (void); 68 69 int libunwind_search_unwind_table (void *as, long ip, void *di, 70 void *pi, int need_unwind_info, void *args); 71 72 unw_word_t libunwind_find_dyn_list (unw_addr_space_t, unw_dyn_info_t *, 73 void *); 74 75 int libunwind_get_reg_special (struct gdbarch *gdbarch, 76 readable_regcache *regcache, 77 int regnum, void *buf); 78 79 #endif /* IA64_LIBUNWIND_TDEP_H */ 80