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1 /* General Solaris system support.
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2 Copyright (C) 2004, 2005 , 2007 Free Software Foundation, Inc.
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3 Contributed by CodeSourcery, LLC.
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 3, or (at your option)
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10 any later version.
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11
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12 GCC is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21 #include "config.h"
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22 #include "system.h"
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23 #include "coretypes.h"
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24 #include "tree.h"
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25 #include "tm.h"
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26 #include "rtl.h"
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27 #include "tm_p.h"
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28 #include "toplev.h"
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29 #include "ggc.h"
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30
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31 tree solaris_pending_aligns, solaris_pending_inits, solaris_pending_finis;
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32
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33 /* Attach any pending attributes for DECL to the list in *ATTRIBUTES.
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34 Pending attributes come from #pragma or _Pragma, so this code is
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35 only useful in the C family front ends, but it is included in
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36 all languages to avoid changing the target machine initializer
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37 depending on the language. */
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38
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39 void
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40 solaris_insert_attributes (tree decl, tree *attributes)
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41 {
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42 tree *x, next;
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43
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44 if (solaris_pending_aligns != NULL && TREE_CODE (decl) == VAR_DECL)
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45 for (x = &solaris_pending_aligns; *x; x = &TREE_CHAIN (*x))
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46 {
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47 tree name = TREE_PURPOSE (*x);
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48 tree value = TREE_VALUE (*x);
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49 if (DECL_NAME (decl) == name)
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50 {
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51 if (lookup_attribute ("aligned", DECL_ATTRIBUTES (decl))
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52 || lookup_attribute ("aligned", *attributes))
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53 warning (0, "ignoring %<#pragma align%> for explicitly "
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54 "aligned %q+D", decl);
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55 else
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56 *attributes = tree_cons (get_identifier ("aligned"), value,
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57 *attributes);
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58 next = TREE_CHAIN (*x);
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59 ggc_free (*x);
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60 *x = next;
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61 break;
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62 }
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63 }
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64
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65 if (solaris_pending_inits != NULL && TREE_CODE (decl) == FUNCTION_DECL)
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66 for (x = &solaris_pending_inits; *x; x = &TREE_CHAIN (*x))
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67 {
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68 tree name = TREE_PURPOSE (*x);
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69 if (DECL_NAME (decl) == name)
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70 {
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71 *attributes = tree_cons (get_identifier ("init"), NULL,
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72 *attributes);
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73 *attributes = tree_cons (get_identifier ("used"), NULL,
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74 *attributes);
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75 next = TREE_CHAIN (*x);
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76 ggc_free (*x);
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77 *x = next;
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78 break;
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79 }
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80 }
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81
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82 if (solaris_pending_finis != NULL && TREE_CODE (decl) == FUNCTION_DECL)
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83 for (x = &solaris_pending_finis; *x; x = &TREE_CHAIN (*x))
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84 {
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85 tree name = TREE_PURPOSE (*x);
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86 if (DECL_NAME (decl) == name)
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87 {
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88 *attributes = tree_cons (get_identifier ("fini"), NULL,
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89 *attributes);
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90 *attributes = tree_cons (get_identifier ("used"), NULL,
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91 *attributes);
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92 next = TREE_CHAIN (*x);
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93 ggc_free (*x);
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94 *x = next;
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95 break;
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96 }
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97 }
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98 }
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99
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100 /* Output initializer or finalizer entries for DECL to FILE. */
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101
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102 void
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103 solaris_output_init_fini (FILE *file, tree decl)
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104 {
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105 if (lookup_attribute ("init", DECL_ATTRIBUTES (decl)))
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106 {
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107 fprintf (file, "\t.pushsection\t\".init\"\n");
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108 ASM_OUTPUT_CALL (file, decl);
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109 fprintf (file, "\t.popsection\n");
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110 }
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111
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112 if (lookup_attribute ("fini", DECL_ATTRIBUTES (decl)))
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113 {
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114 fprintf (file, "\t.pushsection\t\".fini\"\n");
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115 ASM_OUTPUT_CALL (file, decl);
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116 fprintf (file, "\t.popsection\n");
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117 }
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118 }
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119
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