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- /* 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 "i386/unix.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. If we aren't using
- underscores, we are using prefix `.'s to identify labels that should
- be ignored, as in `i386/gas.h' --karl@cs.umb.edu */
- #ifdef NO_UNDERSCORES
- #define LPREFIX ".L"
- #else
- #define LPREFIX "L"
- #endif /* not NO_UNDERSCORES */
-
- /* 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) \
- do { fprintf (FILE, "\t.file\t"); \
- output_quoted_string (FILE, dump_base_name); \
- fprintf (FILE, "\n"); \
- } while (0)
-
- /* 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'. */
-
- #ifdef NO_UNDERSCORES
- #define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER) \
- sprintf ((BUF), "*.%s%d", (PREFIX), (NUMBER))
- #else
- #define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER) \
- sprintf ((BUF), "*%s%d", (PREFIX), (NUMBER))
- #endif
-
- /* This is how to output an internal numbered label where
- PREFIX is the class of label and NUM is the number within the class. */
-
- #ifdef NO_UNDERSCORES
- #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
- fprintf (FILE, ".%s%d:\n", PREFIX, NUM)
- #else
- #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
- fprintf (FILE, "%s%d:\n", PREFIX, NUM)
- #endif
-
- /* 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
-