From af62e7d65eba3474676670942ff0f8b3ea93ef8a Mon Sep 17 00:00:00 2001 From: Richard Stallman Date: Wed, 22 Jan 1992 03:01:18 +0000 Subject: [PATCH] Initial revision From-SVN: r227 --- gcc/config/i386/aix386.h | 129 +++++++++++++++++++++++++++++++ gcc/config/i386/att.h | 100 ++++++++++++++++++++++++ gcc/config/i860/sysv3.h | 159 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 388 insertions(+) create mode 100644 gcc/config/i386/aix386.h create mode 100644 gcc/config/i386/att.h create mode 100644 gcc/config/i860/sysv3.h diff --git a/gcc/config/i386/aix386.h b/gcc/config/i386/aix386.h new file mode 100644 index 00000000000..c20a2f29eca --- /dev/null +++ b/gcc/config/i386/aix386.h @@ -0,0 +1,129 @@ +/* Definitions for IBM PS2 running AIX/386. + From: Minh Tran-Le + 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" + +/* Get the generic definitions 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:%{p:mcrt1.o%s}%{!p:crt1.o%s}} crtbegin.o%s" + +#define LIB_SPEC "%{p:-L/usr/lib/libp}%{pg:-L/usr/lib/libp} -lc \ + crtend.o%s crtn.o%s" + +/* 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 "-D_I386 -Di386 -DAIX -D_AIX" + +/* special flags for the aix assembler to generate the short form for all + qualifying forward reference */ + +#define ASM_SPEC "-s2" + +#undef ASM_FILE_START +#define ASM_FILE_START(FILE) \ + do { fprintf (FILE, "\t.file\t\"%s\"\n", dump_base_name); \ + 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 + +#if 0 +/* 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 + +/* 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) + +/* 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))) + +/* Define a few machine-specific details + of the implementation of constructors. */ + +#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 + +#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \ + do { \ + init_section (); \ + fprintf (FILE, "\tpushl $"); \ + assemble_name (FILE, NAME); \ + fprintf (FILE, "\n"); \ + } while (0) diff --git a/gcc/config/i386/att.h b/gcc/config/i386/att.h new file mode 100644 index 00000000000..a259074e88d --- /dev/null +++ b/gcc/config/i386/att.h @@ -0,0 +1,100 @@ +/* Definitions for AT&T assembler syntax for the Intel 80386. + 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" + +#define TARGET_VERSION fprintf (stderr, " (80386, ATT syntax)"); + +/* Define the syntax of instructions and addresses. */ + +/* Prefix for internally generated assembler labels. */ +#define LPREFIX ".L" + +/* Assembler pseudos to introduce constants of various size. */ + +/* #define ASM_BYTE_OP "\t.byte" Now in svr3.h or svr4.h. */ +#define ASM_SHORT "\t.value" +#define ASM_LONG "\t.long" +#define ASM_DOUBLE "\t.double" + +/* How to output an ASCII string constant. */ + +#define ASM_OUTPUT_ASCII(FILE, p, size) \ +{ int i = 0; \ + while (i < (size)) \ + { if (i%10 == 0) { if (i!=0) fprintf ((FILE), "\n"); \ + fprintf ((FILE), "%s ", ASM_BYTE_OP); } \ + else fprintf ((FILE), ","); \ + fprintf ((FILE), "0x%x", ((p)[i++] & 0377)) ;} \ + fprintf ((FILE), "\n"); } + +/* Do use .optim by default on this machine. */ +#undef ASM_FILE_START_1 +#define ASM_FILE_START_1(FILE) fprintf (FILE, "\t.optim\n") + +/* 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", 1<<(LOG)) + +/* 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.set .,.+%u\n", (SIZE)) + +/* Can't use ASM_OUTPUT_SKIP in text section; it doesn't leave 0s. */ + +#define ASM_NO_SKIP_IN_TEXT 1 + +#define BSS_SECTION_FUNCTION \ +void \ +bss_section () \ +{ \ + if (in_section != in_bss) \ + { \ + fprintf (asm_out_file, "%s\n", BSS_SECTION_ASM_OP); \ + in_section = in_bss; \ + } \ +} + +/* Define the syntax of labels and symbol definitions/declarations. */ + +/* 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. */ + +#undef ASM_OUTPUT_LABELREF +#define ASM_OUTPUT_LABELREF(FILE,NAME) \ + fprintf (FILE, "%s", NAME) diff --git a/gcc/config/i860/sysv3.h b/gcc/config/i860/sysv3.h new file mode 100644 index 00000000000..506e93d0e49 --- /dev/null +++ b/gcc/config/i860/sysv3.h @@ -0,0 +1,159 @@ +/* Target definitions for GNU compiler for Intel 80860 running System V.3 + Copyright (C) 1991 Free Software Foundation, Inc. + + Written by Ron Guilmette (rfg@ncd.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, 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "i860.h" +#include "svr3.h" + +/* Provide a set of pre-definitions and pre-assertions appropriate for + the i860 running svr3. */ +#define CPP_PREDEFINES "-Di860 -Dunix -DSVR3" + +/* Use crt1.o as a startup file and crtn.o as a closing file. */ + +#define STARTFILE_SPEC \ + "%{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}}" + +#define LIB_SPEC "%{p:-L/usr/lib/libp}%{pg:-L/usr/lib/libp} -lc crtn.o%s" + +/* Special flags for the linker. I don't know what they do. */ + +#define LINK_SPEC "%{T*} %{z:-lm}" + +/* The prefix to be used in assembler output for all names of registers. + None is needed in V.3. */ + +#define I860_REG_PREFIX "" + +/* Delimiter that starts comments in the assembler code. */ + +#define ASM_COMMENT_START "//" + +/* Don't renumber the regusters for debugger output. */ + +#define DBX_REGISTER_NUMBER(REGNO) (REGNO) + +/* Output the special word the System V SDB wants to see just before + the first word of each function's prologue code. */ + +extern char *current_function_original_name; + +/* This special macro is used to output a magic word just before the + first word of each function. On some versions of UNIX running on + the i860, this word can be any word that looks like a NOP, however + under svr4, this neds to be an `shr r0,r0,r0' instruction in which + the normally unused low-order bits contain the length of the function + prologue code (in bytes). This is needed to make the System V SDB + debugger happy. */ + +#undef ASM_OUTPUT_FUNCTION_PREFIX +#define ASM_OUTPUT_FUNCTION_PREFIX(FILE, FNNAME) \ + do { ASM_OUTPUT_ALIGN (FILE, 2); \ + fprintf ((FILE), "\t.long\t.ep."); \ + assemble_name (FILE, FNNAME); \ + fprintf (FILE, "-"); \ + assemble_name (FILE, FNNAME); \ + fprintf (FILE, "+0xc8000000\n"); \ + current_function_original_name = (FNNAME); \ + } while (0) + +/* Output the special label that must go just after each function's + prologue code to support svr4 SDB. */ + +#define ASM_OUTPUT_PROLOGUE_SUFFIX(FILE) \ + do { fprintf (FILE, ".ep."); \ + assemble_name (FILE, current_function_original_name); \ + fprintf (FILE, ":\n"); \ + } while (0) + +/* The routine used to output string literals. + +#define ASCII_DATA_ASM_OP ".byte" + +#define ASM_OUTPUT_ASCII(FILE, STR, LENGTH) \ + do \ + { \ + register unsigned char *str = (unsigned char *) (STR); \ + register unsigned char *limit = str + (LENGTH); \ + register unsigned bytes_in_chunk = 0; \ + for (; str < limit; str++) \ + { \ + register unsigned ch = *str; \ + if (ch < 32 || ch == '\\' || ch == '"' || ch >= 127) \ + { \ + if (bytes_in_chunk > 0) \ + { \ + fprintf ((FILE), "\"\n"); \ + bytes_in_chunk = 0; \ + } \ + fprintf ((FILE), "%s\t%d\n", ASM_BYTE_OP, ch); \ + } \ + else \ + { \ + if (bytes_in_chunk >= 60) \ + { \ + fprintf ((FILE), "\"\n"); \ + bytes_in_chunk = 0; \ + } \ + if (bytes_in_chunk == 0) \ + fprintf ((FILE), "\t%s\t\"", ASCII_DATA_ASM_OP); \ + putc (ch, (FILE)); \ + bytes_in_chunk++; \ + } \ + } \ + if (bytes_in_chunk > 0) \ + fprintf ((FILE), "\"\n"); \ + } \ + while (0) + + +#undef CTORS_SECTION_ASM_OP +#define CTORS_SECTION_ASM_OP "\t.section\t.ctors,\"x\"\n" +#undef DTORS_SECTION_ASM_OP +#define DTORS_SECTION_ASM_OP "\t.section\t.dtors,\"x\"\n" + +/* Add definitions to support the .tdesc section as specified in the svr4 + ABI for the i860. */ + +#define TDESC_SECTION_ASM_OP "\t.section\t.tdesc" + +#undef EXTRA_SECTIONS +#define EXTRA_SECTIONS in_const, in_ctors, in_dtors, in_tdesc + +#undef EXTRA_SECTION_FUNCTIONS +#define EXTRA_SECTION_FUNCTIONS \ + CONST_SECTION_FUNCTION \ + CTORS_SECTION_FUNCTION \ + DTORS_SECTION_FUNCTION \ + TDESC_SECTION_FUNCTION + +#define TDESC_SECTION_FUNCTION \ +void \ +tdesc_section () \ +{ \ + if (in_section != in_tdesc) \ + { \ + fprintf (asm_out_file, "%s\n", TDESC_SECTION_ASM_OP); \ + in_section = in_tdesc; \ + } \ +} + +/* Enable the `const' section that svr3.h defines how to use. */ +#define USE_CONST_SECTION 1