| /* 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, 1996 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, 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, 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 |
| |
| /* The prefix to add to user-visible assembler symbols. */ |
| |
| #ifdef NO_UNDERSCORES |
| #define USER_LABEL_PREFIX "" |
| #else |
| #define USER_LABEL_PREFIX "_" |
| #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 |