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/* Configuration for an OpenBSD i386 target.
Copyright (C) 1999 Free Software Foundation, Inc.
This file is part of GNU CC.
GNU CC 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 2, or (at your option)
any later version.
GNU CC 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 GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* This is tested by i386gas.h. */
#define YES_UNDERSCORES
#include <i386/gstabs.h>
/* Get perform_* macros to build libgcc.a. */
#include <i386/perform.h>
/* Get generic OpenBSD definitions. */
#define OBSD_OLD_GAS
#include <openbsd.h>
/* This goes away when the math-emulator is fixed */
#undef TARGET_DEFAULT
#define TARGET_DEFAULT \
(MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_NO_FANCY_MATH_387)
/* Run-time target specifications */
#define CPP_PREDEFINES "-D__unix__ -D__i386__ -D__OpenBSD__ -Asystem(unix) -Asystem(OpenBSD) -Acpu(i386) -Amachine(i386)"
/* 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"
/* The following macros were originally stolen from i386v4.h.
These have to be defined to get PIC code correct. */
/* Assembler format: dispatch tables. */
/* How to output an element of a case-vector that is relative.
This is only used for PIC code. See comments by the `casesi' insn in
i386.md for an explanation of the expression this outputs. */
#undef ASM_OUTPUT_ADDR_DIFF_ELT
#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
fprintf (FILE, "\t.long _GLOBAL_OFFSET_TABLE_+[.-%s%d]\n", LPREFIX, VALUE)
/* Assembler format: sections. */
/* Indicate when jump tables go in the text section. This is
necessary when compiling PIC code. */
#define JUMP_TABLES_IN_TEXT_SECTION (flag_pic)
/* 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. egcs doesn't try too hard to check internal
configuration files... */
#define DWARF2_UNWIND_INFO 0
/* Assembler format: alignment output. */
/* A C statement to output to the stdio stream FILE an assembler
command to advance the location counter to a multiple of 1<<LOG
bytes if it is within MAX_SKIP bytes.
This will be used to align code labels according to Intel
recommendations, in prevision of binutils upgrade. */
#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
do { \
if ((LOG) != 0) { \
if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
} \
} while (0)
#endif
/* Note that we pick up ASM_OUTPUT_MI_THUNK from unix.h. */
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