Richard Stallman
parent
e378f5388e
commit
af62e7d65e
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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, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "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 "att386.h"
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/* By default, target has a 80387. */
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#define TARGET_DEFAULT 1
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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 \
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"%{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}} crtbegin.o%s"
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#define LIB_SPEC "%{p:-L/usr/lib/libp}%{pg:-L/usr/lib/libp} -lc \
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crtend.o%s crtn.o%s"
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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 "-D_I386 -Di386 -DAIX -D_AIX"
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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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#define ASM_SPEC "-s2"
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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\"%s\"\n", dump_base_name); \
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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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#if 0
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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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/* Machines that use the AT&T assembler syntax
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also return floating point values in an FP register. */
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/* Define how to find the value returned by a function.
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VALTYPE is the data type of the value (as a tree).
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If the precise function being called is known, FUNC is its FUNCTION_DECL;
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otherwise, FUNC is 0. */
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#define VALUE_REGNO(MODE) \
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(((MODE)==SFmode || (MODE)==DFmode) ? FIRST_FLOAT_REG : 0)
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/* 1 if N is a possible register number for a function value. */
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#define FUNCTION_VALUE_REGNO_P(N) ((N) == 0 || (N)== FIRST_FLOAT_REG)
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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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/* Define a few machine-specific details
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of the implementation of constructors. */
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#undef INIT_SECTION_ASM_OP
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#define INIT_SECTION_ASM_OP ".section .init,\"x\""
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#define CTORS_SECTION_ASM_OP \
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INIT_SECTION_ASM_OP "\n" \
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"\tpushl $0\n\t" \
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DATA_SECTION_ASM_OP
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#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
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do { \
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init_section (); \
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fprintf (FILE, "\tpushl $"); \
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assemble_name (FILE, NAME); \
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fprintf (FILE, "\n"); \
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} while (0)
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@ -0,0 +1,100 @@
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/* Definitions for AT&T assembler syntax for the Intel 80386.
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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, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* Include common aspects of all 386 Unix assemblers. */
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#include "unx386.h"
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#define TARGET_VERSION fprintf (stderr, " (80386, ATT syntax)");
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/* Define the syntax of instructions and addresses. */
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/* Prefix for internally generated assembler labels. */
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#define LPREFIX ".L"
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/* Assembler pseudos to introduce constants of various size. */
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/* #define ASM_BYTE_OP "\t.byte" Now in svr3.h or svr4.h. */
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#define ASM_SHORT "\t.value"
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#define ASM_LONG "\t.long"
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#define ASM_DOUBLE "\t.double"
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/* How to output an ASCII string constant. */
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#define ASM_OUTPUT_ASCII(FILE, p, size) \
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{ int i = 0; \
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while (i < (size)) \
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{ if (i%10 == 0) { if (i!=0) fprintf ((FILE), "\n"); \
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fprintf ((FILE), "%s ", ASM_BYTE_OP); } \
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else fprintf ((FILE), ","); \
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fprintf ((FILE), "0x%x", ((p)[i++] & 0377)) ;} \
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fprintf ((FILE), "\n"); }
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/* Do use .optim by default on this machine. */
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#undef ASM_FILE_START_1
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#define ASM_FILE_START_1(FILE) fprintf (FILE, "\t.optim\n")
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/* This is how to output an assembler line
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that says to advance the location counter
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to a multiple of 2**LOG bytes. */
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#define ASM_OUTPUT_ALIGN(FILE,LOG) \
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if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", 1<<(LOG))
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/* This is how to output an assembler line
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that says to advance the location counter by SIZE bytes. */
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#define ASM_OUTPUT_SKIP(FILE,SIZE) \
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fprintf ((FILE), "\t.set .,.+%u\n", (SIZE))
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/* Can't use ASM_OUTPUT_SKIP in text section; it doesn't leave 0s. */
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#define ASM_NO_SKIP_IN_TEXT 1
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#define BSS_SECTION_FUNCTION \
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void \
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bss_section () \
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{ \
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if (in_section != in_bss) \
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{ \
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fprintf (asm_out_file, "%s\n", BSS_SECTION_ASM_OP); \
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in_section = in_bss; \
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} \
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}
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/* Define the syntax of labels and symbol definitions/declarations. */
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/* This is how to store into the string BUF
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the symbol_ref name of an internal numbered label where
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PREFIX is the class of label and NUM is the number within the class.
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This is suitable for output with `assemble_name'. */
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#define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER) \
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sprintf ((BUF), ".%s%d", (PREFIX), (NUMBER))
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/* This is how to output an internal numbered label where
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PREFIX is the class of label and NUM is the number within the class. */
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#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
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fprintf (FILE, ".%s%d:\n", PREFIX, NUM)
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/* This is how to output a reference to a user-level label named NAME. */
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#undef ASM_OUTPUT_LABELREF
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#define ASM_OUTPUT_LABELREF(FILE,NAME) \
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fprintf (FILE, "%s", NAME)
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@ -0,0 +1,159 @@
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/* Target definitions for GNU compiler for Intel 80860 running System V.3
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Copyright (C) 1991 Free Software Foundation, Inc.
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Written by Ron Guilmette (rfg@ncd.com).
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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, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "i860.h"
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#include "svr3.h"
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/* Provide a set of pre-definitions and pre-assertions appropriate for
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the i860 running svr3. */
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#define CPP_PREDEFINES "-Di860 -Dunix -DSVR3"
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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 \
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"%{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}}"
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#define LIB_SPEC "%{p:-L/usr/lib/libp}%{pg:-L/usr/lib/libp} -lc crtn.o%s"
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/* Special flags for the linker. I don't know what they do. */
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#define LINK_SPEC "%{T*} %{z:-lm}"
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/* The prefix to be used in assembler output for all names of registers.
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None is needed in V.3. */
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#define I860_REG_PREFIX ""
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/* Delimiter that starts comments in the assembler code. */
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#define ASM_COMMENT_START "//"
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/* Don't renumber the regusters for debugger output. */
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#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
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/* Output the special word the System V SDB wants to see just before
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the first word of each function's prologue code. */
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extern char *current_function_original_name;
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/* This special macro is used to output a magic word just before the
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first word of each function. On some versions of UNIX running on
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the i860, this word can be any word that looks like a NOP, however
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under svr4, this neds to be an `shr r0,r0,r0' instruction in which
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the normally unused low-order bits contain the length of the function
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prologue code (in bytes). This is needed to make the System V SDB
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debugger happy. */
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#undef ASM_OUTPUT_FUNCTION_PREFIX
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#define ASM_OUTPUT_FUNCTION_PREFIX(FILE, FNNAME) \
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do { ASM_OUTPUT_ALIGN (FILE, 2); \
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fprintf ((FILE), "\t.long\t.ep."); \
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assemble_name (FILE, FNNAME); \
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fprintf (FILE, "-"); \
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assemble_name (FILE, FNNAME); \
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fprintf (FILE, "+0xc8000000\n"); \
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current_function_original_name = (FNNAME); \
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} while (0)
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/* Output the special label that must go just after each function's
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prologue code to support svr4 SDB. */
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#define ASM_OUTPUT_PROLOGUE_SUFFIX(FILE) \
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do { fprintf (FILE, ".ep."); \
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assemble_name (FILE, current_function_original_name); \
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fprintf (FILE, ":\n"); \
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} while (0)
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/* The routine used to output string literals.
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#define ASCII_DATA_ASM_OP ".byte"
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#define ASM_OUTPUT_ASCII(FILE, STR, LENGTH) \
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do \
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{ \
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register unsigned char *str = (unsigned char *) (STR); \
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register unsigned char *limit = str + (LENGTH); \
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register unsigned bytes_in_chunk = 0; \
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for (; str < limit; str++) \
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{ \
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register unsigned ch = *str; \
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if (ch < 32 || ch == '\\' || ch == '"' || ch >= 127) \
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{ \
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if (bytes_in_chunk > 0) \
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{ \
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fprintf ((FILE), "\"\n"); \
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bytes_in_chunk = 0; \
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} \
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fprintf ((FILE), "%s\t%d\n", ASM_BYTE_OP, ch); \
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} \
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else \
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{ \
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if (bytes_in_chunk >= 60) \
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{ \
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fprintf ((FILE), "\"\n"); \
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bytes_in_chunk = 0; \
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} \
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if (bytes_in_chunk == 0) \
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fprintf ((FILE), "\t%s\t\"", ASCII_DATA_ASM_OP); \
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putc (ch, (FILE)); \
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bytes_in_chunk++; \
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} \
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} \
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if (bytes_in_chunk > 0) \
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fprintf ((FILE), "\"\n"); \
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} \
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while (0)
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#undef CTORS_SECTION_ASM_OP
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#define CTORS_SECTION_ASM_OP "\t.section\t.ctors,\"x\"\n"
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#undef DTORS_SECTION_ASM_OP
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#define DTORS_SECTION_ASM_OP "\t.section\t.dtors,\"x\"\n"
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/* Add definitions to support the .tdesc section as specified in the svr4
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ABI for the i860. */
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#define TDESC_SECTION_ASM_OP "\t.section\t.tdesc"
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#undef EXTRA_SECTIONS
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#define EXTRA_SECTIONS in_const, in_ctors, in_dtors, in_tdesc
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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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CTORS_SECTION_FUNCTION \
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DTORS_SECTION_FUNCTION \
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TDESC_SECTION_FUNCTION
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#define TDESC_SECTION_FUNCTION \
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void \
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tdesc_section () \
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{ \
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if (in_section != in_tdesc) \
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{ \
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fprintf (asm_out_file, "%s\n", TDESC_SECTION_ASM_OP); \
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in_section = in_tdesc; \
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} \
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}
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/* Enable the `const' section that svr3.h defines how to use. */
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#define USE_CONST_SECTION 1
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Reference in New Issue