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Diffstat (limited to 'gcc/config/i386/aix386ng.h')
-rwxr-xr-x | gcc/config/i386/aix386ng.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/gcc/config/i386/aix386ng.h b/gcc/config/i386/aix386ng.h new file mode 100755 index 0000000..3b3d65a --- /dev/null +++ b/gcc/config/i386/aix386ng.h @@ -0,0 +1,140 @@ +/* Definitions for IBM PS2 running AIX/386. + Copyright (C) 1988, 1996 Free Software Foundation, Inc. + Contributed by Minh Tran-Le <TRANLE@intellicorp.com>. + +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. */ + + +#include "i386/i386.h" + +/* Get the generic definitions for system V.3. */ + +#include "svr3.h" + +/* Use the ATT assembler syntax. + This overrides at least one macro (USER_LABEL_PREFIX) from svr3.h. */ + +#include "i386/att.h" + +/* Use crt1.o as a startup file and crtn.o as a closing file. */ + +#define STARTFILE_SPEC "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}}" +#define ENDFILE_SPEC "crtn.o%s" + +#define LIB_SPEC "%{shlib:-lc_s} -lc" + +/* Special flags for the linker. I don't know what they do. */ + +#define LINK_SPEC "%{K} %{!K:-K} %{T*} %{z:-lm}" + +/* Specify predefined symbols in preprocessor. */ + +#define CPP_PREDEFINES "-Dps2 -Dunix -Asystem(aix)" + +#define CPP_SPEC "%(cpp_cpu) \ + %{posix:-D_POSIX_SOURCE}%{!posix:-DAIX} -D_I386 -D_AIX -D_MBCS" + +/* special flags for the aix assembler to generate the short form for all + qualifying forward reference */ +/* The buggy /bin/as of aix ps/2 1.2.x cannot always handle it. */ +#if 0 +#define ASM_SPEC "-s2" +#endif /* 0 */ + +#undef ASM_FILE_START +#define ASM_FILE_START(FILE) \ + do { output_file_directive (FILE, main_input_filename); \ + if (optimize) \ + ASM_FILE_START_1 (FILE); \ + else \ + fprintf (FILE, "\t.noopt\n"); \ + } while (0) + +/* This was suggested, but it shouldn't be right for DBX output. -- RMS + #define ASM_OUTPUT_SOURCE_FILENAME(FILE, NAME) */ + +/* Writing `int' for a bitfield forces int alignment for the structure. */ + +#define PCC_BITFIELD_TYPE_MATTERS 1 + +#ifndef USE_GAS +/* Don't write a `.optim' pseudo; this assembler + is said to have a bug when .optim is used. */ + +#undef ASM_FILE_START_1 +#define ASM_FILE_START_1(FILE) fprintf (FILE, "\t.noopt\n") +#endif + +/* Output assembler code to FILE to increment profiler label # LABELNO + for profiling a function entry. */ + +#undef FUNCTION_PROFILER +#define FUNCTION_PROFILER(FILE, LABELNO) \ + fprintf (FILE, "\tleal %sP%d,%%eax\n\tcall mcount\n", LPREFIX, (LABELNO)); + +/* Note that using bss_section here caused errors + in building shared libraries on system V.3. + but AIX 1.2 does not have yet shareable libraries on PS2 */ +#undef ASM_OUTPUT_LOCAL +#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \ + (bss_section (), \ + ASM_OUTPUT_LABEL ((FILE), (NAME)), \ + fprintf ((FILE), "\t.set .,.+%u\n", (ROUNDED))) + + +/* Undef all the .init and .fini section stuff if we are not using gas and + * gnu ld so that we can use collect because the standard /bin/as and /bin/ld + * cannot handle those. + */ +#ifndef USE_GAS +# undef INIT_SECTION_ASM_OP +# undef FINI_SECTION_ASM_OP +# undef CTORS_SECTION_ASM_OP +# undef DTORS_SECTION_ASM_OP +# undef ASM_OUTPUT_CONSTRUCTOR +# undef ASM_OUTPUT_DESTRUCTOR +# undef DO_GLOBAL_CTORS_BODY + +# undef CTOR_LIST_BEGIN +# define CTOR_LIST_BEGIN +# undef CTOR_LIST_END +# define CTOR_LIST_END +# undef DTOR_LIST_BEGIN +# define DTOR_LIST_BEGIN +# undef DTOR_LIST_END +# define DTOR_LIST_END + +# undef CONST_SECTION_FUNCTION +# define CONST_SECTION_FUNCTION \ +void \ +const_section () \ +{ \ + extern void text_section(); \ + text_section(); \ +} + +# undef EXTRA_SECTION_FUNCTIONS +# define EXTRA_SECTION_FUNCTIONS \ + CONST_SECTION_FUNCTION + +/* for collect2 */ +# define OBJECT_FORMAT_COFF +# define MY_ISCOFF(magic) \ + ((magic) == I386MAGIC || (magic) == I386SVMAGIC) + +#endif /* !USE_GAS */ |