--- /dev/null
+/* Definitions for Intel 386 running system V.
+ Copyright (C) 1988 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+
+#include "i386.h"
+
+/* Use default settings for system V.3. */
+
+#include "svr3.h"
+
+/* Use the ATT assembler syntax.
+ This overrides at least one macro (ASM_OUTPUT_LABELREF) from svr3.h. */
+
+#include "att386.h"
+
+/* By default, target has a 80387. */
+
+#define TARGET_DEFAULT 1
+
+/* Use crt1.o as a startup file and crtn.o as a closing file. */
+
+#define STARTFILE_SPEC \
+ "%{pg:gcrt1.o%s}%{!pg:%{posix:%{p:mcrtp1.o%s}%{!p:crtp1.o%s}}%{!posix:%{p:mcrt1.o%s}%{!p:crt1.o%s}}} crtbegin.o%s\
+ %{p:-L/usr/lib/libp}%{pg:-L/usr/lib/libp}"
+
+#define LIB_SPEC "%{posix:-lcposix} %{shlib:-lc_s} -lc crtend.o%s crtn.o%s"
+
+/* Specify predefined symbols in preprocessor. */
+
+#define CPP_PREDEFINES "-Dunix -Di386"
+
+#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
+
+/* Writing `int' for a bitfield forces int alignment for the structure. */
+
+#define PCC_BITFIELD_TYPE_MATTERS 1
+
+/* Don't write a `.optim' pseudo; this assembler doesn't handle them. */
+
+#undef ASM_FILE_START_1
+#define ASM_FILE_START_1(FILE)
+\f
+/* Machines that use the AT&T assembler syntax
+ also return floating point values in an FP register. */
+/* Define how to find the value returned by a function.
+ VALTYPE is the data type of the value (as a tree).
+ If the precise function being called is known, FUNC is its FUNCTION_DECL;
+ otherwise, FUNC is 0. */
+
+#define VALUE_REGNO(MODE) \
+ (((MODE) == SFmode || (MODE) == DFmode) ? FIRST_FLOAT_REG : 0)
+
+/* 1 if N is a possible register number for a function value. */
+
+#define FUNCTION_VALUE_REGNO_P(N) ((N) == 0 || (N)== FIRST_FLOAT_REG)
+
+#if 0 /* This symbol is expected to exist only on BSD,
+ and besides, it describes the host rather than the target.
+ It certainly does not belong here. */
+#ifndef MAXPATHLEN
+#define MAXPATHLEN 1024
+#endif
+#endif
+
+/* longjmp may fail to restore the registers if called from the same
+ function that called setjmp. To compensate, the compiler avoids
+ putting variables in registers in functions that use both setjmp
+ and longjmp. */
+
+#define NON_SAVING_SETJMP \
+ (current_function_calls_setjmp && current_function_calls_longjmp)
+
+/* longjmp may fail to restore the stack pointer if the saved frame
+ pointer is the same as the caller's frame pointer. Requiring a frame
+ pointer in any function that calls setjmp or longjmp avoids this
+ problem, unless setjmp and longjmp are called from the same function.
+ Since a frame pointer will be required in such a function, it is OK
+ that the stack pointer is not restored. */
+
+#undef FRAME_POINTER_REQUIRED
+#define FRAME_POINTER_REQUIRED \
+ (current_function_calls_setjmp || current_function_calls_longjmp)
+\f
+/* Define a few machine-specific details
+ of the implementation of constructors.
+
+ CTORS_SECTION_ASM_OP should be defined to concatenate
+ the macro INIT_SECTION_ASM_OP, a newline, and a push instruction
+ to push a word containing 0 (or some equivalent of that).
+
+ ASM_OUTPUT_CONSTRUCTOR should be defined
+ to push the address of the constructor. */
+
+#undef INIT_SECTION_ASM_OP
+#define INIT_SECTION_ASM_OP ".section .init,\"x\""
+
+#define CTORS_SECTION_ASM_OP \
+ INIT_SECTION_ASM_OP "\n" \
+ "\tpushl $0\n\t" \
+ DATA_SECTION_ASM_OP
+/* The reason we end with DATA_SECTION_ASM_OP is to prevent the
+ initial and final table elements (see crtstuff.c) from getting into
+ the .init section and causing a crash. */
+
+#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
+ do { \
+ init_section (); \
+ fprintf (FILE, "\tpushl $"); \
+ assemble_name (FILE, NAME); \
+ fprintf (FILE, "\n"); \
+ } while (0)