Home | History | Annotate | Line # | Download | only in i386
bsd.h revision 1.12
      1   1.1  mrg /* Definitions for BSD assembler syntax for Intel 386
      2   1.1  mrg    (actually AT&T syntax for insns and operands,
      3   1.1  mrg    adapted to BSD conventions for symbol names and debugging.)
      4  1.12  mrg    Copyright (C) 1988-2022 Free Software Foundation, Inc.
      5   1.1  mrg 
      6   1.1  mrg This file is part of GCC.
      7   1.1  mrg 
      8   1.1  mrg GCC is free software; you can redistribute it and/or modify
      9   1.1  mrg it under the terms of the GNU General Public License as published by
     10   1.1  mrg the Free Software Foundation; either version 3, or (at your option)
     11   1.1  mrg any later version.
     12   1.1  mrg 
     13   1.1  mrg GCC is distributed in the hope that it will be useful,
     14   1.1  mrg but WITHOUT ANY WARRANTY; without even the implied warranty of
     15   1.1  mrg MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     16   1.1  mrg GNU General Public License for more details.
     17   1.1  mrg 
     18   1.1  mrg You should have received a copy of the GNU General Public License
     19   1.1  mrg along with GCC; see the file COPYING3.  If not see
     20   1.1  mrg <http://www.gnu.org/licenses/>.  */
     21   1.1  mrg 
     22   1.1  mrg /* Use the Sequent Symmetry assembler syntax.  */
     23   1.1  mrg 
     24   1.1  mrg /* Define the syntax of pseudo-ops, labels and comments.  */
     26   1.1  mrg 
     27   1.1  mrg /* Prefix for internally generated assembler labels.  If we aren't using
     28   1.1  mrg    underscores, we are using prefix `.'s to identify labels that should
     29   1.1  mrg    be ignored, as in `i386/gas.h' --karl (at) cs.umb.edu  */
     30   1.1  mrg 
     31   1.1  mrg #define LPREFIX "L"
     32   1.1  mrg 
     33   1.1  mrg /* Assembler pseudos to introduce constants of various size.  */
     34   1.1  mrg 
     35   1.1  mrg #define ASM_BYTE "\t.byte\t"
     36   1.1  mrg #define ASM_SHORT "\t.word\t"
     37   1.1  mrg #define ASM_LONG "\t.long\t"
     38   1.1  mrg #define ASM_QUAD "\t.quad\t"  /* Should not be used for 32bit compilation.  */
     39   1.1  mrg 
     40   1.1  mrg /* This was suggested, but it shouldn't be right for DBX output. -- RMS
     41   1.1  mrg    #define ASM_OUTPUT_SOURCE_FILENAME(FILE, NAME) */
     42   1.1  mrg 
     43   1.1  mrg 
     44   1.1  mrg /* Define the syntax of labels and symbol definitions/declarations.  */
     46   1.1  mrg 
     47   1.1  mrg /* This is how to output an assembler line
     48   1.1  mrg    that says to advance the location counter by SIZE bytes.  */
     49   1.6  mrg 
     50   1.1  mrg #define ASM_OUTPUT_SKIP(FILE,SIZE)  \
     51   1.1  mrg   fprintf (FILE, "\t.space " HOST_WIDE_INT_PRINT_UNSIGNED"\n", (SIZE))
     52   1.1  mrg 
     53   1.1  mrg /* Define the syntax of labels and symbol definitions/declarations.  */
     55   1.1  mrg 
     56   1.1  mrg /* This says how to output an assembler line
     57   1.1  mrg    to define a global common symbol.  */
     58   1.1  mrg 
     59   1.1  mrg #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED)  \
     60   1.1  mrg ( fputs (".comm ", (FILE)),			\
     61   1.1  mrg   assemble_name ((FILE), (NAME)),		\
     62   1.1  mrg   fprintf ((FILE), ",%u\n", (int)(ROUNDED)))
     63   1.1  mrg 
     64   1.1  mrg /* This says how to output an assembler line
     65   1.1  mrg    to define a local common symbol.  */
     66   1.1  mrg 
     67   1.1  mrg #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED)  \
     68   1.1  mrg ( fputs (".lcomm ", (FILE)),			\
     69   1.1  mrg   assemble_name ((FILE), (NAME)),		\
     70   1.1  mrg   fprintf ((FILE), ",%u\n", (int)(ROUNDED)))
     71   1.1  mrg 
     72   1.1  mrg #ifdef HAVE_GAS_LCOMM_WITH_ALIGNMENT
     73   1.1  mrg #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGNMENT)  \
     74   1.1  mrg ( fputs (".lcomm ", (FILE)),			\
     75   1.1  mrg   assemble_name ((FILE), (NAME)),		\
     76   1.1  mrg   fprintf ((FILE), ",%u,%u\n", (int)(SIZE), (int)(ALIGNMENT) / BITS_PER_UNIT))
     77   1.1  mrg #endif
     78   1.1  mrg 
     79   1.1  mrg /* This is how to output an assembler line
     80   1.1  mrg    that says to advance the location counter
     81   1.1  mrg    to a multiple of 2**LOG bytes.  */
     82   1.1  mrg 
     83   1.1  mrg #define ASM_OUTPUT_ALIGN(FILE,LOG)	\
     84   1.1  mrg   if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", (LOG))
     85   1.1  mrg 
     86   1.1  mrg /* This is how to store into the string BUF
     87   1.1  mrg    the symbol_ref name of an internal numbered label where
     88   1.1  mrg    PREFIX is the class of label and NUM is the number within the class.
     89   1.1  mrg    This is suitable for output with `assemble_name'.  */
     90   1.1  mrg 
     91   1.1  mrg #define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER)	\
     92   1.1  mrg     sprintf ((BUF), "*%s%ld", (PREFIX), (long)(NUMBER))
     93   1.1  mrg 
     94   1.1  mrg /* The prefix to add to user-visible assembler symbols.  */
     95   1.1  mrg 
     96   1.1  mrg #define USER_LABEL_PREFIX "_"
     97   1.1  mrg 
     98   1.1  mrg /* Sequent has some changes in the format of DBX symbols.  */
     99   1.1  mrg #define DBX_NO_XREFS 1
    100            
    101            /* Don't split DBX symbols into continuations.  */
    102            #define DBX_CONTIN_LENGTH 0
    103