| Qore Programming Language - C/C++ Library 1.0.8

macros-ia64.h
1 /* -*- mode: c++; indent-tabs-mode: nil -*- */
2 /*
3 macros-itanium.h
4
5 assembly macros for the Itanium (IA-64) architecture
6
7 Qore Programming Language
8
9 Copyright (C) 2003 - 2015 David Nichols
10
11 Permission is hereby granted, free of charge, to any person obtaining a
12 copy of this software and associated documentation files (the "Software"),
13 to deal in the Software without restriction, including without limitation
14 the rights to use, copy, modify, merge, publish, distribute, sublicense,
15 and/or sell copies of the Software, and to permit persons to whom the
16 Software is furnished to do so, subject to the following conditions:
17
18 The above copyright notice and this permission notice shall be included in
19 all copies or substantial portions of the Software.
20
21 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
24 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
26 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
27 DEALINGS IN THE SOFTWARE.
28
29 Note that the Qore library is released under a choice of three open-source
30 licenses: MIT (as above), LGPL 2+, or GPL 2+; see README-LICENSE for more
31 information.
32 */
33
34 #ifndef _QORE_MACHINE_MACROS_H
35 #define _QORE_MACHINE_MACROS_H
36
37 #define STACK_DIRECTION_DOWN 1
38
39 #ifdef __GNUC__
40 #ifdef __LP64__
41
42 #define HAVE_CHECK_STACK_POS
43
44 static inline size_t get_stack_pos() {
45 size_t addr;
46 asm volatile ("mov %0=sp" : "=r" (addr));
47 return addr;
48 }
49
50 static inline size_t get_rse_bsp() {
51 size_t addr;
52 asm volatile ("mov %0=ar.bsp" : "=r" (addr));
53 return addr;
54 }
55
56 #endif // #ifdef __LP64__
57 #endif // #ifdef __GNUC__
58
59 #ifdef __HP_aCC
60 #ifdef __LP64__
61
62 #define HAVE_CHECK_STACK_POS
63
64 extern "C" size_t get_stack_pos();
65 extern "C" size_t get_rse_bsp(); // get ia64 Register Stack Engine backing store pointer
66
67 #endif // #ifdef __LP64__
68 #endif // #ifdef __HP_aCC
69
70 #endif // #ifndef _QORE_MACHINE_MACROS_H
71