diff options
Diffstat (limited to 'gcc-4.9/gcc/config/i386/gnu-user-common.h')
| -rw-r--r-- | gcc-4.9/gcc/config/i386/gnu-user-common.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/i386/gnu-user-common.h b/gcc-4.9/gcc/config/i386/gnu-user-common.h new file mode 100644 index 000000000..b34528217 --- /dev/null +++ b/gcc-4.9/gcc/config/i386/gnu-user-common.h @@ -0,0 +1,72 @@ +/* Common definitions for Intel 386 and AMD x86-64 systems using + GNU userspace. Copyright (C) 2012-2014 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 + +/* Put all *tf routines in libgcc. */ +#undef LIBGCC2_HAS_TF_MODE +#define LIBGCC2_HAS_TF_MODE 1 +#define LIBGCC2_TF_CEXT q +#define TF_SIZE 113 + +#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 |