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linkage.h
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1 /*
2  * Copyright 2010 Tilera Corporation. All Rights Reserved.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation, version 2.
7  *
8  * This program is distributed in the hope that it will be useful, but
9  * WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
11  * NON INFRINGEMENT. See the GNU General Public License for
12  * more details.
13  */
14 
15 #ifndef _ASM_TILE_LINKAGE_H
16 #define _ASM_TILE_LINKAGE_H
17 
18 #include <feedback.h>
19 
20 #define __ALIGN .align 8
21 
22 /*
23  * The STD_ENTRY and STD_ENDPROC macros put the function in a
24  * self-named .text.foo section, and if linker feedback collection
25  * is enabled, add a suitable call to the feedback collection code.
26  * STD_ENTRY_SECTION lets you specify a non-standard section name.
27  */
28 
29 #define STD_ENTRY(name) \
30  .pushsection .text.##name, "ax"; \
31  ENTRY(name); \
32  FEEDBACK_ENTER(name)
33 
34 #define STD_ENTRY_SECTION(name, section) \
35  .pushsection section, "ax"; \
36  ENTRY(name); \
37  FEEDBACK_ENTER_EXPLICIT(name, section, .Lend_##name - name)
38 
39 #define STD_ENDPROC(name) \
40  ENDPROC(name); \
41  .Lend_##name:; \
42  .popsection
43 
44 /* Create a file-static function entry set up for feedback gathering. */
45 #define STD_ENTRY_LOCAL(name) \
46  .pushsection .text.##name, "ax"; \
47  ALIGN; \
48  name:; \
49  FEEDBACK_ENTER(name)
50 
51 #endif /* _ASM_TILE_LINKAGE_H */