1 /* General Solaris system support.
2 Copyright (C) 2004, 2005 Free Software Foundation, Inc.
3 Contributed by CodeSourcery, LLC.
4
5 This file is part of GCC.
6
7 GCC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
10 any later version.
11
12 GCC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING. If not, write to
19 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
21
22 #include "config.h"
23 #include "system.h"
24 #include "coretypes.h"
25 #include "tree.h"
26 #include "tm.h"
27 #include "rtl.h"
28 #include "tm_p.h"
29 #include "toplev.h"
30 #include "ggc.h"
31
32 tree solaris_pending_aligns, solaris_pending_inits, solaris_pending_finis;
33
34 /* Attach any pending attributes for DECL to the list in *ATTRIBUTES.
35 Pending attributes come from #pragma or _Pragma, so this code is
36 only useful in the C family front ends, but it is included in
37 all languages to avoid changing the target machine initializer
38 depending on the language. */
39
40 void
solaris_insert_attributes(tree decl,tree * attributes)41 solaris_insert_attributes (tree decl, tree *attributes)
42 {
43 tree *x, next;
44
45 if (solaris_pending_aligns != NULL && TREE_CODE (decl) == VAR_DECL)
46 for (x = &solaris_pending_aligns; *x; x = &TREE_CHAIN (*x))
47 {
48 tree name = TREE_PURPOSE (*x);
49 tree value = TREE_VALUE (*x);
50 if (DECL_NAME (decl) == name)
51 {
52 if (lookup_attribute ("aligned", DECL_ATTRIBUTES (decl))
53 || lookup_attribute ("aligned", *attributes))
54 warning (0, "ignoring %<#pragma align%> for explicitly "
55 "aligned %q+D", decl);
56 else
57 *attributes = tree_cons (get_identifier ("aligned"), value,
58 *attributes);
59 next = TREE_CHAIN (*x);
60 ggc_free (*x);
61 *x = next;
62 break;
63 }
64 }
65
66 if (solaris_pending_inits != NULL && TREE_CODE (decl) == FUNCTION_DECL)
67 for (x = &solaris_pending_inits; *x; x = &TREE_CHAIN (*x))
68 {
69 tree name = TREE_PURPOSE (*x);
70 if (DECL_NAME (decl) == name)
71 {
72 *attributes = tree_cons (get_identifier ("init"), NULL,
73 *attributes);
74 *attributes = tree_cons (get_identifier ("used"), NULL,
75 *attributes);
76 next = TREE_CHAIN (*x);
77 ggc_free (*x);
78 *x = next;
79 break;
80 }
81 }
82
83 if (solaris_pending_finis != NULL && TREE_CODE (decl) == FUNCTION_DECL)
84 for (x = &solaris_pending_finis; *x; x = &TREE_CHAIN (*x))
85 {
86 tree name = TREE_PURPOSE (*x);
87 if (DECL_NAME (decl) == name)
88 {
89 *attributes = tree_cons (get_identifier ("fini"), NULL,
90 *attributes);
91 *attributes = tree_cons (get_identifier ("used"), NULL,
92 *attributes);
93 next = TREE_CHAIN (*x);
94 ggc_free (*x);
95 *x = next;
96 break;
97 }
98 }
99 }
100
101 /* Output initializer or finalizer entries for DECL to FILE. */
102
103 void
solaris_output_init_fini(FILE * file,tree decl)104 solaris_output_init_fini (FILE *file, tree decl)
105 {
106 if (lookup_attribute ("init", DECL_ATTRIBUTES (decl)))
107 {
108 fprintf (file, "\t.pushsection\t\".init\"\n");
109 ASM_OUTPUT_CALL (file, decl);
110 fprintf (file, "\t.popsection\n");
111 }
112
113 if (lookup_attribute ("fini", DECL_ATTRIBUTES (decl)))
114 {
115 fprintf (file, "\t.pushsection\t\".fini\"\n");
116 ASM_OUTPUT_CALL (file, decl);
117 fprintf (file, "\t.popsection\n");
118 }
119 }
120
121