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1 /* Definitions for BSD assembler syntax for Intel 386
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2 (actually AT&T syntax for insns and operands,
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3 adapted to BSD conventions for symbol names and debugging.)
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4 Copyright (C) 1988, 1996, 2000, 2002, 2007, 2008
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5 Free Software Foundation, Inc.
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6
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7 This file is part of GCC.
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8
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9 GCC is free software; you can redistribute it and/or modify
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10 it under the terms of the GNU General Public License as published by
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11 the Free Software Foundation; either version 3, or (at your option)
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12 any later version.
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13
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14 GCC is distributed in the hope that it will be useful,
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15 but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 GNU General Public License for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with GCC; see the file COPYING3. If not see
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21 <http://www.gnu.org/licenses/>. */
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22
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23 /* Use the Sequent Symmetry assembler syntax. */
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24
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25 /* Define the syntax of pseudo-ops, labels and comments. */
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26
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27 /* Prefix for internally generated assembler labels. If we aren't using
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28 underscores, we are using prefix `.'s to identify labels that should
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29 be ignored, as in `i386/gas.h' --karl@cs.umb.edu */
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30
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31 #define LPREFIX "L"
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32
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33 /* Assembler pseudos to introduce constants of various size. */
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34
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35 #define ASM_SHORT "\t.word\t"
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36 #define ASM_LONG "\t.long\t"
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37 #define ASM_QUAD "\t.quad\t" /* Should not be used for 32bit compilation. */
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38
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39 /* This was suggested, but it shouldn't be right for DBX output. -- RMS
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40 #define ASM_OUTPUT_SOURCE_FILENAME(FILE, NAME) */
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41
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42
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43 /* Define the syntax of labels and symbol definitions/declarations. */
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44
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45 /* This is how to output an assembler line
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46 that says to advance the location counter by SIZE bytes. */
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47
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48 #define ASM_OUTPUT_SKIP(FILE,SIZE) \
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49 fprintf (FILE, "\t.space "HOST_WIDE_INT_PRINT_UNSIGNED"\n", (SIZE))
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50
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51 /* Define the syntax of labels and symbol definitions/declarations. */
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52
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53 /* This says how to output an assembler line
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54 to define a global common symbol. */
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55
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56 #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
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57 ( fputs (".comm ", (FILE)), \
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58 assemble_name ((FILE), (NAME)), \
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59 fprintf ((FILE), ",%u\n", (int)(ROUNDED)))
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60
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61 /* This says how to output an assembler line
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62 to define a local common symbol. */
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63
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64 #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
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65 ( fputs (".lcomm ", (FILE)), \
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66 assemble_name ((FILE), (NAME)), \
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67 fprintf ((FILE), ",%u\n", (int)(ROUNDED)))
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68
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69 #ifdef HAVE_GAS_LCOMM_WITH_ALIGNMENT
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70 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGNMENT) \
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71 ( fputs (".lcomm ", (FILE)), \
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72 assemble_name ((FILE), (NAME)), \
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73 fprintf ((FILE), ",%u,%u\n", (int)(SIZE), (int)(ALIGNMENT) / BITS_PER_UNIT))
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74 #endif
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75
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76 /* This is how to output an assembler line
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77 that says to advance the location counter
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78 to a multiple of 2**LOG bytes. */
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79
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80 #define ASM_OUTPUT_ALIGN(FILE,LOG) \
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81 if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", (LOG))
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82
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83 /* This is how to store into the string BUF
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84 the symbol_ref name of an internal numbered label where
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85 PREFIX is the class of label and NUM is the number within the class.
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86 This is suitable for output with `assemble_name'. */
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87
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88 #define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER) \
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89 sprintf ((BUF), "*%s%ld", (PREFIX), (long)(NUMBER))
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90
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91 /* The prefix to add to user-visible assembler symbols. */
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92
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93 #define USER_LABEL_PREFIX "_"
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94
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95 /* Sequent has some changes in the format of DBX symbols. */
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96 #define DBX_NO_XREFS 1
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97
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98 /* Don't split DBX symbols into continuations. */
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99 #define DBX_CONTIN_LENGTH 0
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