1/* Specialized bits of code needed for the offloading tables. 2 Copyright (C) 2014-2020 Free Software Foundation, Inc. 3 4This file is part of GCC. 5 6GCC is free software; you can redistribute it and/or modify it under 7the terms of the GNU General Public License as published by the Free 8Software Foundation; either version 3, or (at your option) any later 9version. 10 11GCC is distributed in the hope that it will be useful, but WITHOUT ANY 12WARRANTY; without even the implied warranty of MERCHANTABILITY or 13FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14for more details. 15 16Under Section 7 of GPL version 3, you are granted additional 17permissions described in the GCC Runtime Library Exception, version 183.1, as published by the Free Software Foundation. 19 20You should have received a copy of the GNU General Public License and 21a copy of the GCC Runtime Library Exception along with this program; 22see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23<http://www.gnu.org/licenses/>. */ 24 25/* Target machine header files require this define. */ 26#define IN_LIBGCC2 27 28/* FIXME: Including auto-host is incorrect, but until we have 29 identified the set of defines that need to go into auto-target.h, 30 this will have to do. */ 31#include "auto-host.h" 32#undef caddr_t 33#undef pid_t 34#undef rlim_t 35#undef ssize_t 36#undef vfork 37#include "tconfig.h" 38#include "tsystem.h" 39#include "coretypes.h" 40#include "tm.h" 41#include "libgcc_tm.h" 42 43#if defined(HAVE_GAS_HIDDEN) && ENABLE_OFFLOADING == 1 44 45#define OFFLOAD_FUNC_TABLE_SECTION_NAME ".gnu.offload_funcs" 46#define OFFLOAD_VAR_TABLE_SECTION_NAME ".gnu.offload_vars" 47 48#ifdef CRT_BEGIN 49 50const void *const __offload_func_table[0] 51 __attribute__ ((__used__, visibility ("hidden"), 52 section (OFFLOAD_FUNC_TABLE_SECTION_NAME))) = { }; 53const void *const __offload_var_table[0] 54 __attribute__ ((__used__, visibility ("hidden"), 55 section (OFFLOAD_VAR_TABLE_SECTION_NAME))) = { }; 56 57#elif defined CRT_END 58 59const void *const __offload_funcs_end[0] 60 __attribute__ ((__used__, visibility ("hidden"), 61 section (OFFLOAD_FUNC_TABLE_SECTION_NAME))) = { }; 62const void *const __offload_vars_end[0] 63 __attribute__ ((__used__, visibility ("hidden"), 64 section (OFFLOAD_VAR_TABLE_SECTION_NAME))) = { }; 65 66#elif defined CRT_TABLE 67 68extern const void *const __offload_func_table[]; 69extern const void *const __offload_var_table[]; 70extern const void *const __offload_funcs_end[]; 71extern const void *const __offload_vars_end[]; 72 73const void *const __OFFLOAD_TABLE__[] 74 __attribute__ ((__visibility__ ("hidden"))) = 75{ 76 &__offload_func_table, &__offload_funcs_end, 77 &__offload_var_table, &__offload_vars_end 78}; 79 80#else /* ! CRT_BEGIN && ! CRT_END && ! CRT_TABLE */ 81#error "One of CRT_BEGIN, CRT_END or CRT_TABLE must be defined." 82#endif 83 84#endif 85