1 /* Definitions of target machine of Andes NDS32 cpu for GNU compiler 2 Copyright (C) 2012-2020 Free Software Foundation, Inc. 3 Contributed by Andes Technology Corporation. 4 5 This file is part of GCC. 6 7 GCC is free software; you can redistribute it and/or modify it 8 under the terms of the GNU General Public License as published 9 by the Free Software Foundation; either version 3, or (at your 10 option) any later version. 11 12 GCC is distributed in the hope that it will be useful, but WITHOUT 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 15 License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with GCC; see the file COPYING3. If not see 19 <http://www.gnu.org/licenses/>. */ 20 21 22 /* ------------------------------------------------------------------------ */ 23 24 #define TARGET_LINUX_ABI 1 25 26 #undef SIZE_TYPE 27 #define SIZE_TYPE "unsigned int" 28 29 #undef PTRDIFF_TYPE 30 #define PTRDIFF_TYPE "int" 31 32 #define TARGET_OS_CPP_BUILTINS() \ 33 do \ 34 { \ 35 GNU_USER_TARGET_OS_CPP_BUILTINS(); \ 36 } \ 37 while (0) 38 39 #ifdef TARGET_BIG_ENDIAN_DEFAULT 40 #define LD_SO_ENDIAN_SPEC "%{mlittle-endian:le}%{!mlittle-endian:be}" 41 #else 42 #define LD_SO_ENDIAN_SPEC "%{mbig-endian:be}%{!mbig-endian:le}" 43 #endif 44 45 /* Record arch version in TARGET_ARCH_DEFAULT. 46 0 means soft ABI; 47 1 means hard ABI and using full floating-point instruction; 48 2 means hard ABI and only using single-precision floating-point 49 instruction. */ 50 #if TARGET_ARCH_DEFAULT 51 #define LD_SO_ABI_SPEC "%{!mabi=2:f}" 52 #else 53 #define LD_SO_ABI_SPEC "%{mabi=2fp+:f}" 54 #endif 55 56 #define GLIBC_DYNAMIC_LINKER \ 57 "/lib/ld-linux-nds32" LD_SO_ENDIAN_SPEC LD_SO_ABI_SPEC ".so.1" 58 59 /* In the configure stage we may use options --enable-default-relax, 60 --enable-Os-default-ifc and --enable-Os-default-ex9. They effect 61 the default spec of passing --relax, --mifc, and --mex9 to linker. 62 We use NDS32_RELAX_SPEC, NDS32_IFC_SPEC, and NDS32_EX9_SPEC 63 so that we can customize them conveniently. */ 64 #define LINK_SPEC \ 65 " %{G*}" \ 66 " %{mbig-endian:-EB} %{mlittle-endian:-EL}" \ 67 " %{shared:-shared} \ 68 %{!shared: \ 69 %{!static: \ 70 %{rdynamic:-export-dynamic} \ 71 -dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \ 72 %{static:-static}}" \ 73 NDS32_RELAX_SPEC 74 75 #define LINK_PIE_SPEC "%{pie:%{!fno-pie:%{!fno-PIE:%{!static:-pie}}}} " 76 77 #define CPP_SPEC "%{pthread:-D_REENTRANT}" 78 79 /* The SYNC operations are implemented as library functions, not 80 INSN patterns. As a result, the HAVE defines for the patterns are 81 not defined. We need to define them to generate the corresponding 82 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_* and __GCC_ATOMIC_*_LOCK_FREE 83 defines. 84 Ref: https://sourceware.org/ml/libc-alpha/2014-09/msg00322.html */ 85 #define HAVE_sync_compare_and_swapqi 1 86 #define HAVE_sync_compare_and_swaphi 1 87 #define HAVE_sync_compare_and_swapsi 1 88