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1 /* Generate SDB debugging info.
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2 Copyright (C) 2003, 2004, 2007 Free Software Foundation, Inc.
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3
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4 This file is part of GCC.
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5
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6 GCC is free software; you can redistribute it and/or modify it under
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7 the terms of the GNU General Public License as published by the Free
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8 Software Foundation; either version 3, or (at your option) any later
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9 version.
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10
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11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with GCC; see the file COPYING3. If not see
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18 <http://www.gnu.org/licenses/>. */
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19
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20 /* Note that no configuration uses sdb as its preferred format. */
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21
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22 #define SDB_DEBUGGING_INFO 1
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23
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24 /* Forward references to tags are allowed. */
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25 #define SDB_ALLOW_FORWARD_REFERENCES
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26
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27 /* Unknown tags are also allowed. */
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28 #define SDB_ALLOW_UNKNOWN_REFERENCES
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29
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30 /* Block start/end next label #. */
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31 extern int sdb_label_count;
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32
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33 /* Starting line of current function. */
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34 extern int sdb_begin_function_line;
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35
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36 /* For block start and end, we create labels, so that
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37 later we can figure out where the correct offset is.
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38 The normal .ent/.end serve well enough for functions,
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39 so those are just commented out. */
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40
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41 #define PUT_SDB_BLOCK_START(LINE) \
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42 do { \
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43 fprintf (asm_out_file, \
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44 "%sLb%d:\n\t.begin\t%sLb%d\t%d\n", \
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45 LOCAL_LABEL_PREFIX, \
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46 sdb_label_count, \
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47 LOCAL_LABEL_PREFIX, \
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48 sdb_label_count, \
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49 (LINE)); \
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50 sdb_label_count++; \
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51 } while (0)
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52
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53 #define PUT_SDB_BLOCK_END(LINE) \
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54 do { \
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55 fprintf (asm_out_file, \
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56 "%sLe%d:\n\t.bend\t%sLe%d\t%d\n", \
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57 LOCAL_LABEL_PREFIX, \
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58 sdb_label_count, \
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59 LOCAL_LABEL_PREFIX, \
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60 sdb_label_count, \
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61 (LINE)); \
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62 sdb_label_count++; \
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63 } while (0)
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64
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65 #define PUT_SDB_FUNCTION_START(LINE)
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66
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67 #define PUT_SDB_FUNCTION_END(LINE) \
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68 do { \
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69 SDB_OUTPUT_SOURCE_LINE (asm_out_file, LINE + sdb_begin_function_line); \
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70 } while (0)
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71
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72 #define PUT_SDB_EPILOGUE_END(NAME)
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73
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74 /* We need to use .esize and .etype instead of .size and .type to
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75 avoid conflicting with ELF directives. */
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76 #undef PUT_SDB_SIZE
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77 #define PUT_SDB_SIZE(a) \
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78 do { \
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79 fprintf (asm_out_file, "\t.esize\t" HOST_WIDE_INT_PRINT_DEC ";", \
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80 (HOST_WIDE_INT) (a)); \
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81 } while (0)
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82
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83 #undef PUT_SDB_TYPE
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84 #define PUT_SDB_TYPE(a) \
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85 do { \
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86 fprintf (asm_out_file, "\t.etype\t0x%x;", (a)); \
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87 } while (0)
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