144 lines
4.2 KiB
C
144 lines
4.2 KiB
C
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/* Definitions for IBM PS2 running AIX/386.
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From: Minh Tran-Le <TRANLE@intellicorp.com>
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Copyright (C) 1988 Free Software Foundation, Inc.
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This file is part of GNU CC.
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GNU CC 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 2, or (at your option)
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any later version.
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GNU CC 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 GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "i386/i386.h"
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/* Get the generic definitions for system V.3. */
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#include "svr3.h"
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/* Use the ATT assembler syntax.
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This overrides at least one macro (ASM_OUTPUT_LABELREF) from svr3.h. */
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#include "i386/att.h"
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/* Use crt1.o as a startup file and crtn.o as a closing file. */
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#define STARTFILE_SPEC "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}}"
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#define ENDFILE_SPEC "crtn.o%s"
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#define LIB_SPEC "%{shlib:-lc_s} -lc"
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/* Special flags for the linker. I don't know what they do. */
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#define LINK_SPEC "%{K} %{!K:-K} %{T*} %{z:-lm}"
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/* Specify predefined symbols in preprocessor. */
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#define CPP_PREDEFINES "-Dps2 -Dunix -Di386 -Asystem(unix) -Asystem(aix) -Acpu(i386) -Amachine(i386)"
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#define CPP_SPEC \
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"%{posix:-D_POSIX_SOURCE}%{!posix:-DAIX} -D_I386 -D_AIX -D_MBCS"
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/* special flags for the aix assembler to generate the short form for all
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qualifying forward reference */
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/* The buggy /bin/as of aix ps/2 1.2.x cannot always handle it. */
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#if 0
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#define ASM_SPEC "-s2"
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#endif /* 0 */
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#undef ASM_FILE_START
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#define ASM_FILE_START(FILE) \
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do { fprintf (FILE, "\t.file\t"); \
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output_quoted_string (FILE, dump_base_name); \
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fprintf (FILE, "\n"); \
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if (optimize) \
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ASM_FILE_START_1 (FILE); \
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else \
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fprintf (FILE, "\t.noopt\n"); \
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} while (0)
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/* This was suggested, but it shouldn't be right for DBX output. -- RMS
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#define ASM_OUTPUT_SOURCE_FILENAME(FILE, NAME) */
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/* Writing `int' for a bitfield forces int alignment for the structure. */
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#define PCC_BITFIELD_TYPE_MATTERS 1
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#ifndef USE_GAS
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/* Don't write a `.optim' pseudo; this assembler
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is said to have a bug when .optim is used. */
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#undef ASM_FILE_START_1
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#define ASM_FILE_START_1(FILE) fprintf (FILE, "\t.noopt\n")
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#endif
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/* Output assembler code to FILE to increment profiler label # LABELNO
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for profiling a function entry. */
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#undef FUNCTION_PROFILER
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#define FUNCTION_PROFILER(FILE, LABELNO) \
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fprintf (FILE, "\tleal %sP%d,%%eax\n\tcall mcount\n", LPREFIX, (LABELNO));
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/* Note that using bss_section here caused errors
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in building shared libraries on system V.3.
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but AIX 1.2 does not have yet shareable libraries on PS2 */
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#undef ASM_OUTPUT_LOCAL
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#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
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(bss_section (), \
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ASM_OUTPUT_LABEL ((FILE), (NAME)), \
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fprintf ((FILE), "\t.set .,.+%u\n", (ROUNDED)))
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/* Undef all the .init and .fini section stuff if we are not using gas and
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* gnu ld so that we can use collect because the standard /bin/as and /bin/ld
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* cannot handle those.
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*/
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#ifndef USE_GAS
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# undef INIT_SECTION_ASM_OP
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# undef FINI_SECTION_ASM_OP
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# undef CTORS_SECTION_ASM_OP
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# undef DTORS_SECTION_ASM_OP
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# undef ASM_OUTPUT_CONSTRUCTOR
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# undef ASM_OUTPUT_DESTRUCTOR
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# undef DO_GLOBAL_CTORS_BODY
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# undef CTOR_LIST_BEGIN
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# define CTOR_LIST_BEGIN
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# undef CTOR_LIST_END
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# define CTOR_LIST_END
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# undef DTOR_LIST_BEGIN
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# define DTOR_LIST_BEGIN
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# undef DTOR_LIST_END
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# define DTOR_LIST_END
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# undef CONST_SECTION_FUNCTION
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# define CONST_SECTION_FUNCTION \
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void \
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const_section () \
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{ \
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extern void text_section(); \
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text_section(); \
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}
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# undef EXTRA_SECTION_FUNCTIONS
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# define EXTRA_SECTION_FUNCTIONS \
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CONST_SECTION_FUNCTION \
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BSS_SECTION_FUNCTION
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/* for collect2 */
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# define OBJECT_FORMAT_COFF
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# define MY_ISCOFF(magic) \
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((magic) == I386MAGIC || (magic) == I386SVMAGIC)
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#endif /* !USE_GAS */
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