1  /* Definitions for BSD assembler syntax for Intel 386
       2     (actually AT&T syntax for insns and operands,
       3     adapted to BSD conventions for symbol names and debugging.)
       4     Copyright (C) 1988-2023 Free Software Foundation, Inc.
       5  
       6  This file is part of GCC.
       7  
       8  GCC is free software; you can redistribute it and/or modify
       9  it under the terms of the GNU General Public License as published by
      10  the Free Software Foundation; either version 3, or (at your option)
      11  any later version.
      12  
      13  GCC is distributed in the hope that it will be useful,
      14  but WITHOUT ANY WARRANTY; without even the implied warranty of
      15  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      16  GNU General Public License for more details.
      17  
      18  You should have received a copy of the GNU General Public License
      19  along with GCC; see the file COPYING3.  If not see
      20  <http://www.gnu.org/licenses/>.  */
      21  
      22  /* Use the Sequent Symmetry assembler syntax.  */
      23  
      24  /* Define the syntax of pseudo-ops, labels and comments.  */
      25  
      26  /* Prefix for internally generated assembler labels.  If we aren't using
      27     underscores, we are using prefix `.'s to identify labels that should
      28     be ignored, as in `i386/gas.h' --karl@cs.umb.edu  */
      29  
      30  #define LPREFIX "L"
      31  
      32  /* Assembler pseudos to introduce constants of various size.  */
      33  
      34  #define ASM_BYTE "\t.byte\t"
      35  #define ASM_SHORT "\t.word\t"
      36  #define ASM_LONG "\t.long\t"
      37  #define ASM_QUAD "\t.quad\t"  /* Should not be used for 32bit compilation.  */
      38  
      39  /* This was suggested, but it shouldn't be right for debugger output. -- RMS
      40     #define ASM_OUTPUT_SOURCE_FILENAME(FILE, NAME) */
      41  
      42  
      43  /* Define the syntax of labels and symbol definitions/declarations.  */
      44  
      45  /* This is how to output an assembler line
      46     that says to advance the location counter by SIZE bytes.  */
      47  
      48  #define ASM_OUTPUT_SKIP(FILE,SIZE)  \
      49    fprintf (FILE, "\t.space " HOST_WIDE_INT_PRINT_UNSIGNED"\n", (SIZE))
      50  
      51  /* Define the syntax of labels and symbol definitions/declarations.  */
      52  
      53  /* This says how to output an assembler line
      54     to define a global common symbol.  */
      55  
      56  #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED)  \
      57  ( fputs (".comm ", (FILE)),			\
      58    assemble_name ((FILE), (NAME)),		\
      59    fprintf ((FILE), ",%u\n", (int)(ROUNDED)))
      60  
      61  /* This says how to output an assembler line
      62     to define a local common symbol.  */
      63  
      64  #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED)  \
      65  ( fputs (".lcomm ", (FILE)),			\
      66    assemble_name ((FILE), (NAME)),		\
      67    fprintf ((FILE), ",%u\n", (int)(ROUNDED)))
      68  
      69  #ifdef HAVE_GAS_LCOMM_WITH_ALIGNMENT
      70  #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGNMENT)  \
      71  ( fputs (".lcomm ", (FILE)),			\
      72    assemble_name ((FILE), (NAME)),		\
      73    fprintf ((FILE), ",%u,%u\n", (int)(SIZE), (int)(ALIGNMENT) / BITS_PER_UNIT))
      74  #endif
      75  
      76  /* This is how to output an assembler line
      77     that says to advance the location counter
      78     to a multiple of 2**LOG bytes.  */
      79  
      80  #define ASM_OUTPUT_ALIGN(FILE,LOG)	\
      81    if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", (LOG))
      82  
      83  /* This is how to store into the string BUF
      84     the symbol_ref name of an internal numbered label where
      85     PREFIX is the class of label and NUM is the number within the class.
      86     This is suitable for output with `assemble_name'.  */
      87  
      88  #define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER)	\
      89      sprintf ((BUF), "*%s%ld", (PREFIX), (long)(NUMBER))
      90  
      91  /* The prefix to add to user-visible assembler symbols.  */
      92  
      93  #define USER_LABEL_PREFIX "_"