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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [i386/] [lynx.h] - Blame information for rev 282

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1 282 jeremybenn
/* Definitions for LynxOS on i386.
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   Copyright (C) 1993, 1995, 1996, 2002, 2004, 2005, 2007
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   Free Software Foundation, Inc.
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This file is part of GCC.
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GCC 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 3, or (at your option)
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any later version.
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GCC 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 GCC; see the file COPYING3.  If not see
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<http://www.gnu.org/licenses/>.  */
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#define TARGET_VERSION fputs (" (i386/LynxOS)", stderr);
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#define TARGET_OS_CPP_BUILTINS()                \
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  do                                            \
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    {                                           \
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      builtin_define ("__LITTLE_ENDIAN__");     \
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      builtin_define ("__x86__");               \
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    }                                           \
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  while (0)
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/* The svr4 ABI for the i386 says that records and unions are returned
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   in memory.  */
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#define DEFAULT_PCC_STRUCT_RETURN 1
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/* BSS_SECTION_ASM_OP gets defined i386/unix.h.  */
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#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
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  asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
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/* LynxOS's GDB counts the floating point registers from 16.  */
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#undef DBX_REGISTER_NUMBER
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#define DBX_REGISTER_NUMBER(n)                                          \
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  (TARGET_64BIT ? dbx64_register_map[n]                                 \
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   : (n) == 0 ? 0                                                 \
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   : (n) == 1 ? 2                                                       \
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   : (n) == 2 ? 1                                                       \
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   : (n) == 3 ? 3                                                       \
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   : (n) == 4 ? 6                                                       \
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   : (n) == 5 ? 7                                                       \
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   : (n) == 6 ? 5                                                       \
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   : (n) == 7 ? 4                                                       \
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   : ((n) >= FIRST_STACK_REG && (n) <= LAST_STACK_REG) ? (n) + 8        \
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   : (-1))
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/* A C statement to output to the stdio stream FILE an assembler
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   command to advance the location counter to a multiple of 1<<LOG
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   bytes if it is within MAX_SKIP bytes.
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   This is used to align code labels according to Intel recommendations.  */
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#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
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#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP)                    \
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  do {                                                                  \
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    if ((LOG) != 0) {                                                    \
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      if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG));   \
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      else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP));  \
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    }                                                                   \
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  } while (0)
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#endif
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/* Undefine SUBTARGET_EXTRA_SPECS it is empty anyway.  We define it in
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   config/lynx.h.  */
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#undef SUBTARGET_EXTRA_SPECS
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/* Undefine the definition from att.h to enable our default.  */
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#undef ASM_OUTPUT_ALIGN
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/* Undefine the definition from elfos.h to enable our default.  */
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#undef PREFERRED_DEBUGGING_TYPE
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/* The file i386.c defines TARGET_HAVE_TLS unconditionally if
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   HAVE_AS_TLS is defined.  HAVE_AS_TLS is defined as gas support for
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   TLS is detected by configure.  We undefine it here.  */
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#undef HAVE_AS_TLS

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