1 /* Definitions for RISCV running NetBSD systems using ELF 2 Copyright (C) 2014 3 Free Software Foundation, Inc. 4 Contributed by Matt Thomas <matt@netbsd.org> 5 6 This file is part of GNU CC. 7 8 GNU CC is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 2, or (at your option) 11 any later version. 12 13 GNU CC is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program; see the file COPYING. If not, write to 20 the Free Software Foundation, 59 Temple Place - Suite 330, 21 Boston, MA 02111-1307, USA. */ 22 23 #undef DRIVER_SELF_SPECS 24 #define DRIVER_SELF_SPECS "" 25 26 #undef TARGET_DEFAULT 27 #define TARGET_DEFAULT (MASK_FDIV) 28 29 #undef TARGET_DEFAULT_CMODEL 30 #define TARGET_DEFAULT_CMODEL CM_MEDANY 31 32 #define TARGET_OS_CPP_BUILTINS() \ 33 do { \ 34 NETBSD_OS_CPP_BUILTINS_ELF(); \ 35 builtin_define ("__riscv__"); \ 36 /* The GNU C++ standard library requires this. */ \ 37 if (c_dialect_cxx ()) \ 38 builtin_define ("_GNU_SOURCE"); \ 39 if (!TARGET_HARD_FLOAT) \ 40 builtin_define ("_SOFT_FLOAT"); \ 41 } while (0) 42 43 #undef CPP_SPEC 44 #define CPP_SPEC NETBSD_CPP_SPEC 45 46 #undef LIB_SPEC 47 #define LIB_SPEC NETBSD_LIB_SPEC 48 49 #define EXTRA_SPECS NETBSD_SUBTARGET_EXTRA_SPECS 50 51 #undef STARTFILE_PREFIX_SPEC 52 53 #define LD_EMUL_SUFFIX \ 54 "%{mabi=lp64d:}" \ 55 "%{mabi=lp64f:_lp64f}" \ 56 "%{mabi=lp64:_lp64}" \ 57 "%{mabi=ilp32d:}" \ 58 "%{mabi=ilp32f:_ilp32f}" \ 59 "%{mabi=ilp32:_ilp32}" 60 61 #undef LINK_SPEC 62 #define LINK_SPEC \ 63 "-melf" XLEN_SPEC "lriscv" LD_EMUL_SUFFIX \ 64 "%(netbsd_link_spec)" 65 66 #undef NETBSD_ENTRY_POINT 67 #define NETBSD_ENTRY_POINT "_start" 68 69 /* Override netbsd-stdint.h uintptr_t and inptr_t. */ 70 #undef UINTPTR_TYPE 71 #define UINTPTR_TYPE "long unsigned int" 72 73 #undef INTPTR_TYPE 74 #define INTPTR_TYPE "long int" 75