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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [gcc/] [config/] [vx-common.h] - Rev 20
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/* Target-independent configuration for VxWorks and VxWorks AE. Copyright (C) 2005 Free Software Foundation, Inc. Contributed by by CodeSourcery, LLC. 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 2, 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 COPYING. If not, write to the Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ /* VxWorks headers are C++-aware. */ #undef NO_IMPLICIT_EXTERN_C #define NO_IMPLICIT_EXTERN_C /* Most of these will probably be overridden by subsequent headers. We undefine them here just in case, and define VXWORKS_ versions of each, to be used in port-specific vxworks.h. */ #undef LIB_SPEC #undef LINK_SPEC #undef LIBGCC_SPEC #define LIBGCC_SPEC VXWORKS_LIBGCC_SPEC #undef STARTFILE_SPEC #undef ENDFILE_SPEC /* Most of these macros are overridden in "config/vxworks.h" or "config/vxworksae.h" and are here merely for documentation purposes. */ #define VXWORKS_ADDITIONAL_CPP_SPEC "" #define VXWORKS_LIB_SPEC "" #define VXWORKS_LINK_SPEC "" #define VXWORKS_LIBGCC_SPEC "" #define VXWORKS_STARTFILE_SPEC "" #define VXWORKS_ENDFILE_SPEC "" /* VxWorks cannot have dots in constructor labels, because it uses a mutant variation of collect2 that generates C code instead of assembly. Thus each constructor label must be a legitimate C symbol. FIXME: Have VxWorks use real collect2 instead. */ #undef NO_DOLLAR_IN_LABEL #define NO_DOT_IN_LABEL /* VxWorks uses wchar_t == unsigned short (UCS2) on all architectures. */ #undef WCHAR_TYPE #define WCHAR_TYPE "short unsigned int" #undef WCHAR_TYPE_SIZE #define WCHAR_TYPE_SIZE 16 /* Dwarf2 unwind info is not supported. */ #define DWARF2_UNWIND_INFO 0 /* VxWorks uses DWARF2. */ #define DWARF2_DEBUGGING_INFO 1 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG /* None of these other formats is supported. */ #undef DWARF_DEBUGGING_INFO #undef DBX_DEBUGGING_INFO #undef SDB_DEBUGGING_INFO #undef XCOFF_DEBUGGING_INFO #undef VMS_DEBUGGING_INFO /* Kernel mode doesn't have ctors/dtors, but RTP mode does. */ #define TARGET_HAVE_CTORS_DTORS false #define VXWORKS_OVERRIDE_OPTIONS /* empty */ /* No math library needed. */ #define MATH_LIBRARY "" /* No profiling. */ #define VXWORKS_FUNCTION_PROFILER(FILE, LABELNO) do \ { \ sorry ("profiler support for VxWorks"); \ } while (0) /* This section either contains dynamic relocations, or contains PC-rel indirections to stubs in the data section which contain dynamic relocations. General dynamic relocations are not processed for shared libraries' text segments, and PC-relative displacements from the text segment to the data segment don't work. So force it to .gcc_except_section, which the linker will place in .data. */ void vxworks_exception_section (void); #undef TARGET_ASM_EXCEPTION_SECTION #define TARGET_ASM_EXCEPTION_SECTION default_exception_section /* We occasionally need to distinguish between the VxWorks variants. */ #define VXWORKS_KIND_NORMAL 1 #define VXWORKS_KIND_AE 2
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