int_lib.h revision 2d1fdb26e458c4ddc04155c1d421bced3ba90cd0 
1/* ===-- int_lib.h - configuration header for compiler-rt  -----------------===
2 *
3 *                     The LLVM Compiler Infrastructure
4 *
5 * This file is dual licensed under the MIT and the University of Illinois Open
6 * Source Licenses. See LICENSE.TXT for details.
7 *
8 * ===----------------------------------------------------------------------===
9 *
10 * This file is a configuration header for compiler-rt.
11 * This file is not part of the interface of this library.
12 *
13 * ===----------------------------------------------------------------------===
14 */
15
16#ifndef INT_LIB_H
17#define INT_LIB_H
18
19/* Assumption: Signed integral is 2's complement. */
20/* Assumption: Right shift of signed negative is arithmetic shift. */
21/* Assumption: Endianness is little or big (not mixed). */
22
23/* ABI macro definitions */
24
25/*
26 * TODO define this appropriately for targets that require explicit export
27 * declarations (i.e. Windows)
28 */
29#define COMPILER_RT_EXPORT
30
31#if __ARM_EABI__
32# define ARM_EABI_FNALIAS(aeabi_name, name)         \
33  void __aeabi_##aeabi_name() __attribute__((alias("__" #name)));
34# define COMPILER_RT_ABI COMPILER_RT_EXPORT __attribute__((pcs("aapcs")))
35#else
36# define ARM_EABI_FNALIAS(aeabi_name, name)
37# define COMPILER_RT_ABI COMPILER_RT_EXPORT
38#endif
39
40#if defined(__NetBSD__) && (defined(_KERNEL) || defined(_STANDALONE))
41/*
42 * Kernel and boot environment can't use normal headers,
43 * so use the equivalent system headers.
44 */
45#  include <machine/limits.h>
46#  include <sys/stdint.h>
47#  include <sys/types.h>
48#else
49/* Include the standard compiler builtin headers we use functionality from. */
50#  include <limits.h>
51#  include <stdint.h>
52#  include <stdbool.h>
53#  include <float.h>
54#endif
55
56/* Include the commonly used internal type definitions. */
57#include "int_types.h"
58
59/* Include internal utility function declarations. */
60#include "int_util.h"
61
62COMPILER_RT_ABI si_int __paritysi2(si_int a);
63COMPILER_RT_ABI si_int __paritydi2(di_int a);
64
65COMPILER_RT_ABI di_int __divdi3(di_int a, di_int b);
66COMPILER_RT_ABI si_int __divsi3(si_int a, si_int b);
67COMPILER_RT_ABI su_int __udivsi3(su_int n, su_int d);
68
69COMPILER_RT_ABI su_int __udivmodsi4(su_int a, su_int b, su_int* rem);
70COMPILER_RT_ABI du_int __udivmoddi4(du_int a, du_int b, du_int* rem);
71#ifdef CRT_HAS_128BIT
72COMPILER_RT_ABI si_int __clzti2(ti_int a);
73COMPILER_RT_ABI tu_int __udivmodti4(tu_int a, tu_int b, tu_int* rem);
74#endif
75
76#endif /* INT_LIB_H */
77