107 lines
3.6 KiB
C
107 lines
3.6 KiB
C
/* Definitions for AT&T assembler syntax for the Intel 80386.
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Copyright (C) 1988, 1996, 2000 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 common aspects of all 386 Unix assemblers. */
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#include "i386/unix.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_SHORT "\t.value\t"
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#define ASM_LONG "\t.long\t"
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#define ASM_QUAD "\t.quad\t" /* Should not be used for 32bit compilation. */
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/* How to output an ASCII string constant. */
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#define ASM_OUTPUT_ASCII(FILE, PTR, SIZE) \
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do \
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{ size_t i = 0, limit = (SIZE); \
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while (i < limit) \
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{ if (i%10 == 0) { if (i!=0) fprintf ((FILE), "\n"); \
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fputs ("\t.byte\t", (FILE)); } \
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else fprintf ((FILE), ","); \
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fprintf ((FILE), "0x%x", ((PTR)[i++] & 0377)) ;} \
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fprintf ((FILE), "\n"); \
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} while (0)
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/* Output at beginning of assembler file. */
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/* The .file command should always begin the output. */
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#undef ASM_FILE_START
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#define ASM_FILE_START(FILE) \
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do { \
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output_file_directive (FILE, main_input_filename); \
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if (ix86_asm_dialect == ASM_INTEL) \
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fputs ("\t.intel_syntax\n", FILE); \
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} while (0)
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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 the syntax of labels and symbol definitions/declarations. */
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/* The prefix to add for compiler private assembler symbols. */
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#undef LOCAL_LABEL_PREFIX
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#define LOCAL_LABEL_PREFIX "."
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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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#undef ASM_GENERATE_INTERNAL_LABEL
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#define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER) \
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sprintf ((BUF), "%s%s%ld", LOCAL_LABEL_PREFIX, (PREFIX), (long)(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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#undef ASM_OUTPUT_INTERNAL_LABEL
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#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
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fprintf (FILE, "%s%s%d:\n", LOCAL_LABEL_PREFIX, PREFIX, NUM)
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/* The prefix to add to user-visible assembler symbols. */
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#undef USER_LABEL_PREFIX
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#define USER_LABEL_PREFIX ""
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