1 /* Xtensa uClinux configuration. 2 Derived from the configuration for GCC for Intel i386 running Linux. 3 Copyright (C) 2001-2019 Free Software Foundation, Inc. 4 5 This file is part of GCC. 6 7 GCC is free software; you can redistribute it and/or modify it under 8 the terms of the GNU General Public License as published by the Free 9 Software Foundation; either version 3, or (at your option) any later 10 version. 11 12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13 WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 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 #undef TARGET_OS_CPP_BUILTINS 22 #define TARGET_OS_CPP_BUILTINS() \ 23 do \ 24 { \ 25 GNU_USER_TARGET_OS_CPP_BUILTINS (); \ 26 builtin_define ("__uClinux__"); \ 27 } \ 28 while (0) 29 30 #undef SUBTARGET_CPP_SPEC 31 #define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" 32 33 #undef SIZE_TYPE 34 #define SIZE_TYPE "unsigned int" 35 36 #undef PTRDIFF_TYPE 37 #define PTRDIFF_TYPE "int" 38 39 #undef WCHAR_TYPE 40 #define WCHAR_TYPE "long int" 41 42 #undef WCHAR_TYPE_SIZE 43 #define WCHAR_TYPE_SIZE 32 44 45 #undef ASM_SPEC 46 #define ASM_SPEC \ 47 "%{mtext-section-literals:--text-section-literals} \ 48 %{mno-text-section-literals:--no-text-section-literals} \ 49 %{mtarget-align:--target-align} \ 50 %{mno-target-align:--no-target-align} \ 51 %{mlongcalls:--longcalls} \ 52 %{mno-longcalls:--no-longcalls} \ 53 %{mauto-litpools:--auto-litpools} \ 54 %{mno-auto-litpools:--no-auto-litpools}" 55 56 #undef LINK_SPEC 57 #define LINK_SPEC "%{!no-elf2flt:%{!elf2flt*:-elf2flt}}" 58 59 #undef LOCAL_LABEL_PREFIX 60 #define LOCAL_LABEL_PREFIX "." 61 62 /* Don't enable "-fpic" for Xtensa uclinux. */ 63 #define XTENSA_ALWAYS_PIC 0 64 65 #undef TARGET_LIBC_HAS_FUNCTION 66 #define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function 67 68 #undef DBX_REGISTER_NUMBER 69 70