89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
/* Operating system specific defines to be used when targeting GCC for some
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embedded system running pSOS. We assume GNU tools with ELF, but
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try to maintain compatibility with the MRI tools. Based on svr4.h.
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Copyright (C) 1996, 1999, 2000 Free Software Foundation, Inc.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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To use this file, make up a file with a name like:
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?????-psos.h
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where ????? is replaced by the name of the basic hardware that you
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are targeting for. Then, in the file ?????-psos.h, put something
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like:
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#include "?????.h"
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#include "psos.h"
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followed by any really system-specific defines (or overrides of
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defines) which you find that you need.
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*/
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/* Define a symbol indicating that we are using psos.h. */
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#define USING_PSOS_H
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/* All pSOS targets currently use the ELF object file format. */
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#define OBJECT_FORMAT_ELF
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/* Provide a NULL STARTFILE_SPEC. The startfile cannot be specified
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here because it depends on the architecture (e.g. 68K), the
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board-support package (e.g. M162) and the run-time configuration
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(e.g. application vs. ram-image vs. rom-image). Specify the
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startfile in a linker-script created from the generic
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architecture-specific linker-scripts. */
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC ""
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/* Predefined macros (independent of processor type). */
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#undef CPP_PREDEFINES
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#define CPP_PREDEFINES "-Dpsos"
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/* Implicit library calls should use ANSI memcpy rather than BSD
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bcopy, etc. */
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#define TARGET_MEM_FUNCTIONS
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/* This is how we tell the assembler that a symbol is weak. */
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#define ASM_WEAKEN_LABEL(FILE,NAME) \
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do { fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \
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fputc ('\n', FILE); } while (0)
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/* Switch into a generic section. */
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#define TARGET_ASM_NAMED_SECTION default_elf_asm_named_section
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/* Use DBX debugging info by default. */
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#ifndef PREFERRED_DEBUGGING_TYPE
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#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
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#endif
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/* For pSOS we use DBX debugging info. */
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#define DBX_DEBUGGING_INFO
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