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| author | Max Filippov <jcmvbkbc@gmail.com> | 2015-10-03 16:09:07 +0000 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gcc.gnu.org> | 2015-10-03 16:09:07 +0000 |
| commit | 4a0a945785af800dd4a5ff8849e5aa0e3834f72e (patch) | |
| tree | f6519c0cd80180207a57cf4d2f787aac75744c4d /gcc/config/xtensa/uclinux.h | |
| parent | 98955e50b8062e790ada9e18ed77ac6db06d6fdf (diff) | |
| download | gcc-4a0a945785af800dd4a5ff8849e5aa0e3834f72e.tar.gz | |
xtensa: add uclinux support
2015-10-03 Max Filippov <jcmvbkbc@gmail.com>
gcc/
* config.gcc (xtensa*-*-uclinux*): New configuration.
* config/xtensa/uclinux.h: New file.
* config/xtensa/uclinux.opt: New file.
libgcc/
* config.host (xtensa*-*-uclinux*): New configuration.
From-SVN: r228450
Diffstat (limited to 'gcc/config/xtensa/uclinux.h')
| -rw-r--r-- | gcc/config/xtensa/uclinux.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/gcc/config/xtensa/uclinux.h b/gcc/config/xtensa/uclinux.h new file mode 100644 index 00000000000..3c678569b6f --- /dev/null +++ b/gcc/config/xtensa/uclinux.h @@ -0,0 +1,69 @@ +/* Xtensa uClinux configuration. + Derived from the configuration for GCC for Intel i386 running Linux. + Copyright (C) 2001-2015 Free Software Foundation, Inc. + +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/>. */ + +#undef TARGET_OS_CPP_BUILTINS +#define TARGET_OS_CPP_BUILTINS() \ + do \ + { \ + GNU_USER_TARGET_OS_CPP_BUILTINS (); \ + builtin_define ("__uClinux__"); \ + } \ + while (0) + +#undef SUBTARGET_CPP_SPEC +#define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" + +#undef SIZE_TYPE +#define SIZE_TYPE "unsigned int" + +#undef PTRDIFF_TYPE +#define PTRDIFF_TYPE "int" + +#undef WCHAR_TYPE +#define WCHAR_TYPE "long int" + +#undef WCHAR_TYPE_SIZE +#define WCHAR_TYPE_SIZE 32 + +#undef ASM_SPEC +#define ASM_SPEC \ + "%{mtext-section-literals:--text-section-literals} \ + %{mno-text-section-literals:--no-text-section-literals} \ + %{mtarget-align:--target-align} \ + %{mno-target-align:--no-target-align} \ + %{mlongcalls:--longcalls} \ + %{mno-longcalls:--no-longcalls} \ + %{mauto-litpools:--auto-litpools} \ + %{mno-auto-litpools:--no-auto-litpools}" + +#undef LINK_SPEC +#define LINK_SPEC "%{!no-elf2flt:%{!elf2flt*:-elf2flt}}" + +#undef LOCAL_LABEL_PREFIX +#define LOCAL_LABEL_PREFIX "." + +/* Always enable "-fpic" for Xtensa Linux. */ +#define XTENSA_ALWAYS_PIC 1 + +#undef TARGET_LIBC_HAS_FUNCTION +#define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function + +#undef DBX_REGISTER_NUMBER + |