From: Charles Hannum Date: Wed, 1 Jul 1992 20:22:01 +0000 (+0000) Subject: entered into RCS X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ac075f04b2a30b5ebb818c4eb4c05b6bff065b60;p=gcc.git entered into RCS From-SVN: r1377 --- diff --git a/gcc/config/i386/bsd.h b/gcc/config/i386/bsd.h new file mode 100644 index 00000000000..f61f588f215 --- /dev/null +++ b/gcc/config/i386/bsd.h @@ -0,0 +1,116 @@ +/* Definitions for BSD assembler syntax for Intel 386 + (actually AT&T syntax for insns and operands, + adapted to BSD conventions for symbol names and debugging.) + 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 common aspects of all 386 Unix assemblers. */ +#include "unx386.h" + +/* Use the Sequent Symmetry assembler syntax. */ + +#define TARGET_VERSION fprintf (stderr, " (80386, BSD syntax)"); + +/* Define the syntax of pseudo-ops, labels and comments. */ + +/* Prefix for internally generated assembler labels. */ +#define LPREFIX "L" + +/* Assembler pseudos to introduce constants of various size. */ + +#define ASM_BYTE_OP "\t.byte" +#define ASM_SHORT "\t.word" +#define ASM_LONG "\t.long" +#define ASM_DOUBLE "\t.double" + +/* Output at beginning of assembler file. + ??? I am skeptical of this -- RMS. */ + +#define ASM_FILE_START(FILE) \ + fprintf (FILE, "\t.file\t\"%s\"\n", dump_base_name); + +/* This was suggested, but it shouldn't be right for DBX output. -- RMS + #define ASM_OUTPUT_SOURCE_FILENAME(FILE, NAME) */ + + +/* Define the syntax of labels and symbol definitions/declarations. */ + +/* This is how to output an assembler line + that says to advance the location counter by SIZE bytes. */ + +#define ASM_OUTPUT_SKIP(FILE,SIZE) \ + fprintf (FILE, "\t.space %u\n", (SIZE)) + +/* Define the syntax of labels and symbol definitions/declarations. */ + +/* This says how to output an assembler line + to define a global common symbol. */ + +#define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \ +( fputs (".comm ", (FILE)), \ + assemble_name ((FILE), (NAME)), \ + fprintf ((FILE), ",%u\n", (ROUNDED))) + +/* This says how to output an assembler line + to define a local common symbol. */ + +#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \ +( fputs (".lcomm ", (FILE)), \ + assemble_name ((FILE), (NAME)), \ + fprintf ((FILE), ",%u\n", (ROUNDED))) + +/* This is how to output an assembler line + that says to advance the location counter + to a multiple of 2**LOG bytes. */ + +#define ASM_OUTPUT_ALIGN(FILE,LOG) \ + if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", (LOG)) + +/* This is how to store into the string BUF + the symbol_ref name of an internal numbered label where + PREFIX is the class of label and NUM is the number within the class. + This is suitable for output with `assemble_name'. */ + +#define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER) \ + sprintf ((BUF), "*%s%d", (PREFIX), (NUMBER)) + +/* This is how to output an internal numbered label where + PREFIX is the class of label and NUM is the number within the class. */ + +#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \ + fprintf (FILE, "%s%d:\n", PREFIX, NUM) + +/* This is how to output a reference to a user-level label named NAME. */ + +#ifdef NO_UNDERSCORES +#define ASM_OUTPUT_LABELREF(FILE,NAME) fprintf (FILE, "%s", NAME) +#else +#define ASM_OUTPUT_LABELREF(FILE,NAME) fprintf (FILE, "_%s", NAME) +#endif /* not NO_UNDERSCORES */ + +/* Sequent has some changes in the format of DBX symbols. */ +#define DBX_NO_XREFS 1 + +/* Don't split DBX symbols into continuations. */ +#define DBX_CONTIN_LENGTH 0 + +/* This is how to output an assembler line defining a `double' constant. */ + +#undef ASM_OUTPUT_DOUBLE +#define ASM_OUTPUT_DOUBLE(FILE,VALUE) \ + fprintf (FILE, "\t.double 0d%.20e\n", (VALUE)) diff --git a/gcc/config/i386/gas.h b/gcc/config/i386/gas.h index 7136494401f..eeb0483c88d 100644 --- a/gcc/config/i386/gas.h +++ b/gcc/config/i386/gas.h @@ -50,6 +50,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ /* Specify predefined symbols in preprocessor. */ #define CPP_PREDEFINES "-Dunix -Di386" +#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}" /* Allow #sccs in preprocessor. */ diff --git a/gcc/config/i386/isccoff.h b/gcc/config/i386/isccoff.h index bfe5a837dfd..fdd7a8c9085 100644 --- a/gcc/config/i386/isccoff.h +++ b/gcc/config/i386/isccoff.h @@ -6,35 +6,5 @@ #include "i386v.h" -/* Use crt1.o, not crt0.o, as a startup file, and crtn.o as a closing file. */ -#undef STARTFILE_SPEC -#define STARTFILE_SPEC \ - "%{!shlib:%{posix:%{pg:mcrtp1.o%s}%{!pg:%{p:mcrtp1.o%s}%{!p:crtp1.o%s}}}\ - %{!posix:%{pg:mcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}}\ - %{p:-L/lib/libp} %{pg:-L/lib/libp}}}\ - %{shlib:%{posix:crtp1.o%s}%{!posix:crt1.o%s}} crtbegin.o%s" - -#define ENDFILE_SPEC "crtend.o%s crtn.o%s" - -/* Library spec */ -#undef LIB_SPEC -#define LIB_SPEC "%{posix:-lcposix} %{shlib:-lc_s} -lc -lg" - -#if 0 -/* This is apparently not true: ISC versions up to 3.0,at least, use - the standard calling sequence in which the called function pops the - extra arg. */ -/* caller has to pop the extra argument passed to functions that return - structures. */ - -#undef RETURN_POPS_ARGS -#define RETURN_POPS_ARGS(FUNTYPE,SIZE) \ - (TREE_CODE (FUNTYPE) == IDENTIFIER_NODE ? 0 \ - : (TARGET_RTD \ - && (TYPE_ARG_TYPES (FUNTYPE) == 0 \ - || (TREE_VALUE (tree_last (TYPE_ARG_TYPES (FUNTYPE))) \ - == void_type_node))) ? (SIZE) \ - : 0) -/* On other 386 systems, the last line looks like this: - : (aggregate_value_p (FUNTYPE)) ? GET_MODE_SIZE (Pmode) : 0) */ -#endif +/* But with a few changes. */ +#include "isc.h"