source: libcfa/src/bits/defs.hfa @ 8108ba8

ADTast-experimentalpthread-emulationqualifiedEnum
Last change on this file since 8108ba8 was 8108ba8, checked in by Thierry Delisle <tdelisle@…>, 22 months ago

Started to add basic visibility control to libcfa

  • Property mode set to 100644
File size: 2.5 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// defs.hfa -- Commen macros, functions and typedefs
8// Most files depend on them and they are always useful to have.
9//
10//  *** Must not contain code specific to libcfathread ***
11//
12// Author           : Thierry Delisle
13// Created On       : Thu Nov  9 13:24:10 2017
14// Last Modified By : Peter A. Buhr
15// Last Modified On : Sat Oct 24 10:53:15 2020
16// Update Count     : 21
17//
18
19#pragma once
20
21#include <stdint.h>
22#include <assert.h>
23
24#define likely(x)   __builtin_expect(!!(x), 1)
25#define unlikely(x) __builtin_expect(!!(x), 0)
26#define thread_local _Thread_local
27
28typedef void (*fptr_t)();
29typedef int_fast16_t __lock_size_t;
30
31#ifdef __cforall
32#define __cfa_anonymous_object(x) inline struct x
33#define __cfa_dlink(x) inline dlink(x)
34#else
35#define __cfa_anonymous_object(x) struct x __cfa_anonymous_object
36#define __cfa_dlink(x) struct { struct x * next; struct x * back; } __dlink_substitute
37#endif
38
39#define libcfa_public __attribute__((visibility("default")))
40
41#ifdef __cforall
42void abort( const char fmt[], ... ) __attribute__ (( format(printf, 1, 2), __nothrow__, __leaf__, __noreturn__ ));
43void abort( bool signalAbort, const char fmt[], ... ) __attribute__ (( format(printf, 2, 3), __nothrow__, __leaf__, __noreturn__ ));
44extern "C" {
45#endif
46void __cabi_abort( const char fmt[], ... ) __attribute__ (( format(printf, 1, 2), __nothrow__, __leaf__, __noreturn__ ));
47#ifdef __cforall
48}
49#endif
50
51#if defined(__cforall_thread__)
52#define OPTIONAL_THREAD
53#else
54#define OPTIONAL_THREAD __attribute__((weak))
55#endif
56
57static inline long long int rdtscl(void) {
58        #if defined( __i386 ) || defined( __x86_64 )
59        unsigned int lo, hi;
60        __asm__ __volatile__ ("rdtsc" : "=a"(lo), "=d"(hi));
61        return ( (unsigned long long)lo)|( ((unsigned long long)hi)<<32 );
62        #elif defined( __aarch64__ ) || defined( __arm__ )
63        // https://github.com/google/benchmark/blob/v1.1.0/src/cycleclock.h#L116
64        long long int virtual_timer_value;
65        asm volatile("mrs %0, cntvct_el0" : "=r"(virtual_timer_value));
66        return virtual_timer_value;
67        #else
68                #error unsupported hardware architecture
69        #endif
70}
71
72// pause to prevent excess processor bus usage
73#if defined( __i386 ) || defined( __x86_64 )
74        #define Pause() __asm__ __volatile__ ( "pause" : : : )
75#elif defined( __ARM_ARCH )
76        #define Pause() __asm__ __volatile__ ( "YIELD" : : : )
77#else
78        #error unsupported architecture
79#endif
80
81#define CFA_IO_LAZY (1_l64u << 32_l64u)
Note: See TracBrowser for help on using the repository browser.