1/* Xtensa uClinux configuration. 2 Derived from the configuration for GCC for Intel i386 running Linux. 3 Copyright (C) 2001-2020 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#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