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jeremybenn |
/* Configuration for an OpenBSD i386 target.
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Copyright (C) 1999, 2000, 2002, 2004, 2007, 2011
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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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/* This goes away when the math-emulator is fixed */
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#undef TARGET_SUBTARGET_DEFAULT
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#define TARGET_SUBTARGET_DEFAULT \
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(MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_NO_FANCY_MATH_387)
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#define TARGET_OS_CPP_BUILTINS() \
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do \
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{ \
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builtin_define ("__unix__"); \
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builtin_define ("__OpenBSD__"); \
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builtin_assert ("system=unix"); \
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builtin_assert ("system=bsd"); \
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builtin_assert ("system=OpenBSD"); \
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} \
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while (0)
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/* Layout of source language data types. */
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/* This must agree with <machine/ansi.h> */
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#undef SIZE_TYPE
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#define SIZE_TYPE "unsigned int"
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#undef PTRDIFF_TYPE
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#define PTRDIFF_TYPE "int"
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#undef WCHAR_TYPE
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#define WCHAR_TYPE "int"
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE 32
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/* Assembler format: overall framework. */
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#undef ASM_APP_ON
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#define ASM_APP_ON "#APP\n"
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#undef ASM_APP_OFF
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#define ASM_APP_OFF "#NO_APP\n"
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/* Stack & calling: aggregate returns. */
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/* Don't default to pcc-struct-return, because gcc is the only compiler, and
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we want to retain compatibility with older gcc versions. */
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#define DEFAULT_PCC_STRUCT_RETURN 0
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/* Assembler format: alignment output. */
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/* Kludgy test: when gas is upgraded, it will have p2align, and no problems
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with nops. */
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#ifndef HAVE_GAS_MAX_SKIP_P2ALIGN
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/* i386 OpenBSD still uses an older gas that doesn't insert nops by default
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when the .align directive demands to insert extra space in the text
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segment. */
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#undef ASM_OUTPUT_ALIGN
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#define ASM_OUTPUT_ALIGN(FILE,LOG) \
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if ((LOG)!=0) fprintf ((FILE), "\t.align %d,0x90\n", (LOG))
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#endif
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/* Stack & calling: profiling. */
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/* OpenBSD's profiler recovers all information from the stack pointer.
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The icky part is not here, but in machine/profile.h. */
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#undef FUNCTION_PROFILER
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#define FUNCTION_PROFILER(FILE, LABELNO) \
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fputs (flag_pic ? "\tcall mcount@PLT\n": "\tcall mcount\n", FILE);
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/* Assembler format: exception region output. */
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/* All configurations that don't use elf must be explicit about not using
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dwarf unwind information. */
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#define DWARF2_UNWIND_INFO 0
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#undef ASM_PREFERRED_EH_DATA_FORMAT
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#undef ASM_COMMENT_START
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#define ASM_COMMENT_START ";#"
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/* OpenBSD gas currently does not support quad, so do not use it. */
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#undef ASM_QUAD
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#define TARGET_HAVE_NAMED_SECTIONS false
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