1 // @file
2 // Contains the macros required by calling procedures in Itanium-based assembly code.
3 //
4 // Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
5 // This program and the accompanying materials
6 // are licensed and made available under the terms and conditions of the BSD License
7 // which accompanies this distribution.  The full text of the license may be found at
8 // http://opensource.org/licenses/bsd-license.php
9 //
10 // THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12 //
13 
14 #ifndef  __IA64PROC_I__
15 #define  __IA64PROC_I__
16 
17 //
18 // Delcare the begin of assembly function entry.
19 //
20 // @param name Name of function in assembly code.
21 //
22 #define PROCEDURE_ENTRY(name)   .##text;            \
23                                 .##type name, @function;    \
24                                 .##proc name;           \
25 name::
26 
27 //
28 // End of assembly function.
29 //
30 // @param name Name of function in assembly code.
31 //
32 #define PROCEDURE_EXIT(name)    .##endp name
33 
34 //
35 // NESTED_SETUP Requires number of locals (l) >= 3
36 //
37 #define NESTED_SETUP(i,l,o,r) \
38          alloc loc1=ar##.##pfs,i,l,o,r ;\
39          mov loc0=b0
40 
41 //
42 // End of Nested
43 //
44 #define NESTED_RETURN \
45          mov b0=loc0 ;\
46          mov ar##.##pfs=loc1 ;;\
47          br##.##ret##.##dpnt  b0;;
48 
49 //
50 // Export assembly function as the global function.
51 //
52 // @param Function Name of function in assembly code.
53 //
54 #define GLOBAL_FUNCTION(Function) \
55          .##type   Function, @function; \
56          .##globl Function
57 
58 #endif
59