/* Definitions of target machine of Andes NDS32 cpu for GNU compiler Copyright (C) 2012-2020 Free Software Foundation, Inc. Contributed by Andes Technology Corporation. This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ /* ------------------------------------------------------------------------ */ #define TARGET_LINUX_ABI 1 #undef SIZE_TYPE #define SIZE_TYPE "unsigned int" #undef PTRDIFF_TYPE #define PTRDIFF_TYPE "int" #define TARGET_OS_CPP_BUILTINS() \ do \ { \ GNU_USER_TARGET_OS_CPP_BUILTINS(); \ } \ while (0) #ifdef TARGET_BIG_ENDIAN_DEFAULT #define LD_SO_ENDIAN_SPEC "%{mlittle-endian:le}%{!mlittle-endian:be}" #else #define LD_SO_ENDIAN_SPEC "%{mbig-endian:be}%{!mbig-endian:le}" #endif /* Record arch version in TARGET_ARCH_DEFAULT. 0 means soft ABI; 1 means hard ABI and using full floating-point instruction; 2 means hard ABI and only using single-precision floating-point instruction. */ #if TARGET_ARCH_DEFAULT #define LD_SO_ABI_SPEC "%{!mabi=2:f}" #else #define LD_SO_ABI_SPEC "%{mabi=2fp+:f}" #endif #define GLIBC_DYNAMIC_LINKER \ "/lib/ld-linux-nds32" LD_SO_ENDIAN_SPEC LD_SO_ABI_SPEC ".so.1" /* In the configure stage we may use options --enable-default-relax, --enable-Os-default-ifc and --enable-Os-default-ex9. They effect the default spec of passing --relax, --mifc, and --mex9 to linker. We use NDS32_RELAX_SPEC, NDS32_IFC_SPEC, and NDS32_EX9_SPEC so that we can customize them conveniently. */ #define LINK_SPEC \ " %{G*}" \ " %{mbig-endian:-EB} %{mlittle-endian:-EL}" \ " %{shared:-shared} \ %{!shared: \ %{!static: \ %{rdynamic:-export-dynamic} \ -dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \ %{static:-static}}" \ NDS32_RELAX_SPEC #define LINK_PIE_SPEC "%{pie:%{!fno-pie:%{!fno-PIE:%{!static:-pie}}}} " #define CPP_SPEC "%{pthread:-D_REENTRANT}" /* The SYNC operations are implemented as library functions, not INSN patterns. As a result, the HAVE defines for the patterns are not defined. We need to define them to generate the corresponding __GCC_HAVE_SYNC_COMPARE_AND_SWAP_* and __GCC_ATOMIC_*_LOCK_FREE defines. Ref: https://sourceware.org/ml/libc-alpha/2014-09/msg00322.html */ #define HAVE_sync_compare_and_swapqi 1 #define HAVE_sync_compare_and_swaphi 1 #define HAVE_sync_compare_and_swapsi 1 |