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/* Configuration for an OpenBSD i386 target.
Copyright (C) 2005 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 2, 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 COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
/* This gets defined in tm.h->linux.h->svr4.h, and keeps us from using
libraries compiled with the native cc, so undef it. */
#undef NO_DOLLAR_IN_LABEL
/* Override the default comment-starter of "/". */
#undef ASM_COMMENT_START
#define ASM_COMMENT_START "#"
#undef DBX_REGISTER_NUMBER
#define DBX_REGISTER_NUMBER(n) svr4_dbx_register_map[n]
/* 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 TARGET_OS_CPP_BUILTINS() \
do \
{ \
OPENBSD_OS_CPP_BUILTINS(); \
} \
while (0)
/* As an elf system, we need crtbegin/crtend stuff. */
#undef STARTFILE_SPEC
#define STARTFILE_SPEC "\
%{!shared: %{pg:gcrt0%O%s} %{!pg:%{p:gcrt0%O%s} %{!p:crt0%O%s}} \
crtbegin%O%s} %{shared:crtbeginS%O%s}"
#undef ENDFILE_SPEC
#define ENDFILE_SPEC "%{!shared:crtend%O%s} %{shared:crtendS%O%s}"
/* Layout of source language data types. */
/* This must agree with <machine/ansi.h> */
#undef SIZE_TYPE
#define SIZE_TYPE "long unsigned int"
#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE "long int"
#undef WCHAR_TYPE
#define WCHAR_TYPE "int"
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE BITS_PER_WORD
/* 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"
#undef SET_ASM_OP
#define SET_ASM_OP "\t.set\t"
/* The following macros were originally stolen from i386v4.h.
These have to be defined to get PIC code correct. */
/* Assembler format: dispatch tables. */
/* Assembler format: sections. */
/* 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. */
#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
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)); \
}
#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. */
/* Assembler format: alignment output. */
/* Note that we pick up ASM_OUTPUT_MAX_SKIP_ALIGN from i386/gas.h */
/* Note that we pick up ASM_OUTPUT_MI_THUNK from unix.h. */
#undef LINK_SPEC
#define LINK_SPEC \
"%{!shared:%{!nostdlib:%{!r*:%{!e*:-e __start}}}} \
%{shared:-shared} %{R*} \
%{static:-Bstatic} \
%{!static:-Bdynamic} \
%{rdynamic:-export-dynamic} \
%{assert*} \
%{!dynamic-linker:-dynamic-linker /usr/libexec/ld.so}"
#define OBSD_HAS_CORRECT_SPECS
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