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/* Common definitions for Intel 386 and AMD x86-64 systems using
GNU userspace. Copyright (C) 2012-2015 Free Software Foundation, Inc.
Contributed by Ilya Enkovich.
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/>. */
/* The svr4 ABI for the i386 says that records and unions are returned
in memory. In the 64bit compilation we will turn this flag off in
ix86_option_override_internal, as we never do pcc_struct_return
scheme on this target. */
#undef DEFAULT_PCC_STRUCT_RETURN
#define DEFAULT_PCC_STRUCT_RETURN 1
/* We arrange for the whole %fs segment to map the tls area. */
#undef TARGET_TLS_DIRECT_SEG_REFS_DEFAULT
#define TARGET_TLS_DIRECT_SEG_REFS_DEFAULT MASK_TLS_DIRECT_SEG_REFS
#define TARGET_OS_CPP_BUILTINS() \
do \
{ \
GNU_USER_TARGET_OS_CPP_BUILTINS(); \
} \
while (0)
#undef CPP_SPEC
#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
#undef GNU_USER_TARGET_CC1_SPEC
#define GNU_USER_TARGET_CC1_SPEC "%(cc1_cpu) %{profile:-p}"
#undef CC1_SPEC
#define CC1_SPEC GNU_USER_TARGET_CC1_SPEC
/* Similar to standard GNU userspace, but adding -ffast-math support. */
#define GNU_USER_TARGET_MATHFILE_SPEC \
"%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
%{mpc32:crtprec32.o%s} \
%{mpc64:crtprec64.o%s} \
%{mpc80:crtprec80.o%s}"
#undef ENDFILE_SPEC
#define ENDFILE_SPEC \
GNU_USER_TARGET_MATHFILE_SPEC " " \
GNU_USER_TARGET_ENDFILE_SPEC
#define TARGET_ASM_FILE_END file_end_indicate_exec_stack
/* The stack pointer needs to be moved while checking the stack. */
#define STACK_CHECK_MOVING_SP 1
/* Static stack checking is supported by means of probes. */
#define STACK_CHECK_STATIC_BUILTIN 1
/* We only build the -fsplit-stack support in libgcc if the
assembler has full support for the CFI directives. */
#if HAVE_GAS_CFI_PERSONALITY_DIRECTIVE
#define TARGET_CAN_SPLIT_STACK
#endif
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