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/* Target-independent configuration for VxWorks and VxWorks AE.
Copyright (C) 2005-2022 Free Software Foundation, Inc.
Contributed 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 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/>. */
/* ------------------------- Common SPEC strings ------------------------- */
/* 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. */
/* REAL_LIBGCC_SPEC needs to be used since the non-static option is not
handled in gcc.cc. */
#undef REAL_LIBGCC_SPEC
#define REAL_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 ""
#define VXWORKS_CC1_SPEC ""
/* ----------------------- Common type descriptions ----------------------- */
/* Regardless of the target architecture, VxWorks uses a signed 32bit
integer for wchar_t starting with vx7 SR06xx. An unsigned short
otherwise. */
#if TARGET_VXWORKS7
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 32
#undef WCHAR_TYPE
#define WCHAR_TYPE (TARGET_VXWORKS64 ? "int" : "long int")
#else
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 16
#undef WCHAR_TYPE
#define WCHAR_TYPE "short unsigned int"
#endif
/* The VxWorks headers base wint_t on the definitions used for wchar_t.
Do the same here to make sure they remain in sync, in case WCHAR_TYPE
gets redefined for a specific CPU architecture. */
#undef WINT_TYPE_SIZE
#define WINT_TYPE_SIZE WCHAR_TYPE_SIZE
#undef WINT_TYPE
#define WINT_TYPE WCHAR_TYPE
/* ---------------------- Debug and unwind info formats ------------------ */
/* Dwarf2 unwind info is supported, unless overriden by a request for a target
specific format.
Taking care of this here allows using DWARF2_UNWIND_INFO in #if conditions
from the common config/vxworks.h files, included before the cpu
specializations. Unlike with conditions used in C expressions, where the
definitions which matter are those at the expression expansion point, use
in #if constructs requires an accurate definition of the operands at the
#if point. Since <cpu>/vxworks.h. is typically included after
config/vxworks.h, #if expressions in the latter can't rely on possible
redefinitions in the former. */
#if !ARM_UNWIND_INFO
#undef DWARF2_UNWIND_INFO
#define DWARF2_UNWIND_INFO 1
#endif
/* VxWorks uses DWARF2 debugging info. */
#define DWARF2_DEBUGGING_INFO 1
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
/* None of these other formats is supported. */
#undef DBX_DEBUGGING_INFO
#undef XCOFF_DEBUGGING_INFO
#undef VMS_DEBUGGING_INFO
/* ------------------------ Misc configuration bits ---------------------- */
#if !TARGET_VXWORKS7
/* VxWorks, prior to version 7, could not have dots in constructor
labels, because it used a mutant variation of collect2 that
generates C code instead of assembly. Thus each constructor label
had to be a legitimate C symbol. */
# undef NO_DOLLAR_IN_LABEL
# define NO_DOT_IN_LABEL
#endif
/* 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)
/* We occasionally need to distinguish between the VxWorks variants. */
#define VXWORKS_KIND_NORMAL 1
#define VXWORKS_KIND_AE 2
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