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/* Configuration for an OpenBSD i386 target.
Copyright (C) 1999-2015 Free Software Foundation, Inc.
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/>. */
/* This goes away when the math-emulator is fixed */
#undef TARGET_SUBTARGET_DEFAULT
#define TARGET_SUBTARGET_DEFAULT \
(MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_NO_FANCY_MATH_387)
#define TARGET_OS_CPP_BUILTINS() \
do \
{ \
builtin_define ("__unix__"); \
builtin_define ("__OpenBSD__"); \
builtin_assert ("system=unix"); \
builtin_assert ("system=bsd"); \
builtin_assert ("system=OpenBSD"); \
} \
while (0)
/* Layout of source language data types. */
/* This must agree with <machine/ansi.h> */
#undef SIZE_TYPE
#define SIZE_TYPE "unsigned int"
#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE "int"
#undef WCHAR_TYPE
#define WCHAR_TYPE "int"
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 32
/* Assembler format: overall framework. */
#undef ASM_APP_ON
#define ASM_APP_ON "#APP\n"
#undef ASM_APP_OFF
#define ASM_APP_OFF "#NO_APP\n"
/* Stack & calling: aggregate returns. */
/* Don't default to pcc-struct-return, because gcc is the only compiler, and
we want to retain compatibility with older gcc versions. */
#define DEFAULT_PCC_STRUCT_RETURN 0
/* Assembler format: alignment output. */
/* Kludgy test: when gas is upgraded, it will have p2align, and no problems
with nops. */
#ifndef HAVE_GAS_MAX_SKIP_P2ALIGN
/* i386 OpenBSD still uses an older gas that doesn't insert nops by default
when the .align directive demands to insert extra space in the text
segment. */
#undef ASM_OUTPUT_ALIGN
#define ASM_OUTPUT_ALIGN(FILE,LOG) \
if ((LOG)!=0) fprintf ((FILE), "\t.align %d,0x90\n", (LOG))
#endif
/* Stack & calling: profiling. */
/* OpenBSD's profiler recovers all information from the stack pointer.
The icky part is not here, but in machine/profile.h. */
#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER(FILE, LABELNO) \
fputs (flag_pic ? "\tcall mcount@PLT\n": "\tcall mcount\n", FILE);
/* Assembler format: exception region output. */
/* All configurations that don't use elf must be explicit about not using
dwarf unwind information. */
#define DWARF2_UNWIND_INFO 0
#undef ASM_PREFERRED_EH_DATA_FORMAT
#undef ASM_COMMENT_START
#define ASM_COMMENT_START ";#"
/* OpenBSD gas currently does not support quad, so do not use it. */
#undef ASM_QUAD
#define TARGET_HAVE_NAMED_SECTIONS false
#define IX86_MAYBE_NO_LIBGCC_TFMODE
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