linux.h revision 1.8
1/* Xtensa Linux configuration. 2 Derived from the configuration for GCC for Intel i386 running Linux. 3 Copyright (C) 2001-2017 Free Software Foundation, Inc. 4 5This file is part of GCC. 6 7GCC is free software; you can redistribute it and/or modify it under 8the terms of the GNU General Public License as published by the Free 9Software Foundation; either version 3, or (at your option) any later 10version. 11 12GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13WARRANTY; without even the implied warranty of MERCHANTABILITY or 14FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15for more details. 16 17You should have received a copy of the GNU General Public License 18along with GCC; see the file COPYING3. If not see 19<http://www.gnu.org/licenses/>. */ 20 21#define TARGET_OS_CPP_BUILTINS() GNU_USER_TARGET_OS_CPP_BUILTINS() 22 23#undef SUBTARGET_CPP_SPEC 24#define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" 25 26#undef SIZE_TYPE 27#define SIZE_TYPE "unsigned int" 28 29#undef PTRDIFF_TYPE 30#define PTRDIFF_TYPE "int" 31 32#undef WCHAR_TYPE 33#define WCHAR_TYPE "long int" 34 35#undef WCHAR_TYPE_SIZE 36#define WCHAR_TYPE_SIZE 32 37 38#undef ASM_SPEC 39#define ASM_SPEC \ 40 "%{mtext-section-literals:--text-section-literals} \ 41 %{mno-text-section-literals:--no-text-section-literals} \ 42 %{mtarget-align:--target-align} \ 43 %{mno-target-align:--no-target-align} \ 44 %{mlongcalls:--longcalls} \ 45 %{mno-longcalls:--no-longcalls} \ 46 %{mauto-litpools:--auto-litpools} \ 47 %{mno-auto-litpools:--no-auto-litpools}" 48 49#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" 50 51#undef LINK_SPEC 52#define LINK_SPEC \ 53 "%{shared:-shared} \ 54 %{!shared: \ 55 %{!static: \ 56 %{rdynamic:-export-dynamic} \ 57 -dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \ 58 %{static:-static}}" 59 60#undef LOCAL_LABEL_PREFIX 61#define LOCAL_LABEL_PREFIX "." 62 63/* Always enable "-fpic" for Xtensa Linux. */ 64#define XTENSA_ALWAYS_PIC 1 65 66#undef DBX_REGISTER_NUMBER 67 68