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Diffstat (limited to 'gcc-4.9/gcc/config/cris/linux.h')
| -rw-r--r-- | gcc-4.9/gcc/config/cris/linux.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/cris/linux.h b/gcc-4.9/gcc/config/cris/linux.h new file mode 100644 index 000000000..af27e1089 --- /dev/null +++ b/gcc-4.9/gcc/config/cris/linux.h @@ -0,0 +1,150 @@ +/* Definitions for GCC. Part of the machine description for CRIS. + Copyright (C) 2001-2014 Free Software Foundation, Inc. + Contributed by Axis Communications. Written by Hans-Peter Nilsson. + +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/>. */ + + +/* After the first "Node:" comment comes all preprocessor directives and + attached declarations described in the info files, the "Using and + Porting GCC" manual (uapgcc), in the same order as found in the "Target + macros" section in the gcc-2.9x CVS edition of 2000-03-17. FIXME: Not + really, but needs an update anyway. + + There is no generic copy-of-uapgcc comment, you'll have to see uapgcc + for that. If applicable, there is a CRIS-specific comment. The order + of macro definitions follow the order in the manual. Every section in + the manual (node in the info pages) has an introductory `Node: + <subchapter>' comment. If no macros are defined for a section, only + the section-comment is present. */ + +/* This file defines the macros for cris-axis-linux-gnu that are not + covered by cris.h, elfos.h and (config/)linux.h. */ + +/* Make sure we have a valid TARGET_CPU_DEFAULT, so we can assume it + and take shortcuts below. */ +#ifndef TARGET_CPU_DEFAULT +#error "TARGET_CPU_DEFAULT not defined" +#elif (TARGET_CPU_DEFAULT+0) != 10 && (TARGET_CPU_DEFAULT+0) != 32 +#error "TARGET_CPU_DEFAULT must be 10 or 32, or this file be updated" +#endif + +/* Node: Instruction Output */ + +#undef USER_LABEL_PREFIX +#define USER_LABEL_PREFIX "" + +/* Node: Driver */ +/* These macros are CRIS-specific, but used in target driver macros. */ + +#undef CRIS_CPP_SUBTARGET_SPEC +#if TARGET_CPU_DEFAULT == 32 +# define CRIS_CPP_SUBTARGET_SPEC \ + "%{pthread:-D_REENTRANT}\ + %{!march=*:%{!mcpu=*:-D__arch_v32 -D__CRIS_arch_version=32}}" +#else +# define CRIS_CPP_SUBTARGET_SPEC \ + "%{pthread:-D_REENTRANT}\ + %{!march=*:%{!mcpu=*:-D__arch_v10 -D__CRIS_arch_version=10}}" +#endif + +#undef CRIS_CC1_SUBTARGET_SPEC +#if TARGET_CPU_DEFAULT == 32 +# define CRIS_CC1_SUBTARGET_SPEC \ + "%{!march=*:%{!mcpu=*:-march=v32}}" +#define CRIS_SUBTARGET_DEFAULT_ARCH MASK_AVOID_GOTPLT +#else +# define CRIS_CC1_SUBTARGET_SPEC \ + "%{!march=*:%{!mcpu=*:-march=v10}}" +#define CRIS_SUBTARGET_DEFAULT_ARCH 0 +#endif + +#undef CRIS_ASM_SUBTARGET_SPEC +#if TARGET_CPU_DEFAULT == 32 +# define CRIS_ASM_SUBTARGET_SPEC \ + "--em=criself \ + %{!march=*:%{!mcpu=*:--march=v32}} \ + %{!fleading-underscore:--no-underscore}\ + %{fPIC|fpic|fPIE|fpie: --pic}" +#else +# define CRIS_ASM_SUBTARGET_SPEC \ + "--em=criself \ + %{!march=*:%{!mcpu=*:--march=v10}} \ + %{!fleading-underscore:--no-underscore}\ + %{fPIC|fpic|fPIE|fpie: --pic}" +#endif + +/* Previously controlled by target_flags. */ +#undef TARGET_LINUX +#define TARGET_LINUX 1 + +#undef CRIS_SUBTARGET_DEFAULT +#define CRIS_SUBTARGET_DEFAULT \ + (MASK_SVINTO \ + + MASK_ETRAX4_ADD \ + + MASK_ALIGN_BY_32 \ + + CRIS_SUBTARGET_DEFAULT_ARCH) + +#undef CRIS_DEFAULT_CPU_VERSION +#define CRIS_DEFAULT_CPU_VERSION CRIS_CPU_NG + +#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" + +#undef CRIS_LINK_SUBTARGET_SPEC +#define CRIS_LINK_SUBTARGET_SPEC \ + "-mcrislinux\ + %{shared} %{static}\ + %{symbolic:-Bdynamic} %{static:-Bstatic}\ + %{!shared:%{!static:\ + %{rdynamic:-export-dynamic}\ + -dynamic-linker " GNU_USER_DYNAMIC_LINKER "}}\ + %{!r:%{O2|O3: --gc-sections}}" + + +/* Node: Run-time Target */ + +/* For the cris-*-linux* subtarget. */ +#undef TARGET_OS_CPP_BUILTINS +#define TARGET_OS_CPP_BUILTINS() \ + do \ + { \ + GNU_USER_TARGET_OS_CPP_BUILTINS(); \ + if (flag_leading_underscore <= 0) \ + builtin_define ("__NO_UNDERSCORES__"); \ + } \ + while (0) + +/* Node: Type Layout */ + +#undef SIZE_TYPE +#define SIZE_TYPE "unsigned int" + +#undef PTRDIFF_TYPE +#define PTRDIFF_TYPE "int" + +/* Node: Sections */ + +/* GNU/Linux has crti and crtn and does not need the + CRT_CALL_STATIC_FUNCTION trick in cris.h. */ +#undef CRT_CALL_STATIC_FUNCTION + +/* + * Local variables: + * eval: (c-set-style "gnu") + * indent-tabs-mode: t + * End: + */ |