1 /*===---- __clang_hip_runtime_wrapper.h - HIP runtime support ---------------===
2  *
3  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4  * See https://llvm.org/LICENSE.txt for license information.
5  * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6  *
7  *===-----------------------------------------------------------------------===
8  */
9 
10 /*
11  * WARNING: This header is intended to be directly -include'd by
12  * the compiler and is not supposed to be included by users.
13  *
14  */
15 
16 #ifndef __CLANG_HIP_RUNTIME_WRAPPER_H__
17 #define __CLANG_HIP_RUNTIME_WRAPPER_H__
18 
19 #if __HIP__
20 
21 #define __host__ __attribute__((host))
22 #define __device__ __attribute__((device))
23 #define __global__ __attribute__((global))
24 #define __shared__ __attribute__((shared))
25 #define __constant__ __attribute__((constant))
26 #define __managed__ __attribute__((managed))
27 
28 #if !defined(__cplusplus) || __cplusplus < 201103L
29   #define nullptr NULL;
30 #endif
31 
32 #ifdef __cplusplus
33 extern "C" {
34   __attribute__((__visibility__("default")))
35   __attribute__((weak))
36   __attribute__((noreturn))
37   __device__ void __cxa_pure_virtual(void) {
38     __builtin_trap();
39   }
40   __attribute__((__visibility__("default")))
41   __attribute__((weak))
42   __attribute__((noreturn))
43   __device__ void __cxa_deleted_virtual(void) {
44     __builtin_trap();
45   }
46 }
47 #endif //__cplusplus
48 
49 #if !defined(__HIPCC_RTC__)
50 #include <cmath>
51 #include <cstdlib>
52 #include <stdlib.h>
53 #if __has_include("hip/hip_version.h")
54 #include "hip/hip_version.h"
55 #endif // __has_include("hip/hip_version.h")
56 #else
57 typedef __SIZE_TYPE__ size_t;
58 // Define macros which are needed to declare HIP device API's without standard
59 // C/C++ headers. This is for readability so that these API's can be written
60 // the same way as non-hipRTC use case. These macros need to be popped so that
61 // they do not pollute users' name space.
62 #pragma push_macro("NULL")
63 #pragma push_macro("uint32_t")
64 #pragma push_macro("uint64_t")
65 #pragma push_macro("CHAR_BIT")
66 #pragma push_macro("INT_MAX")
67 #define NULL (void *)0
68 #define uint32_t __UINT32_TYPE__
69 #define uint64_t __UINT64_TYPE__
70 #define CHAR_BIT __CHAR_BIT__
71 #define INT_MAX __INTMAX_MAX__
72 #endif // __HIPCC_RTC__
73 
74 typedef __SIZE_TYPE__ __hip_size_t;
75 
76 #ifdef __cplusplus
77 extern "C" {
78 #endif //__cplusplus
79 
80 #if HIP_VERSION_MAJOR * 100 + HIP_VERSION_MINOR >= 405
81 extern "C" __device__ unsigned long long __ockl_dm_alloc(unsigned long long __size);
82 extern "C" __device__ void __ockl_dm_dealloc(unsigned long long __addr);
83 #if __has_feature(address_sanitizer)
84 extern "C" __device__ unsigned long long __asan_malloc_impl(unsigned long long __size, unsigned long long __pc);
85 extern "C" __device__ void __asan_free_impl(unsigned long long __addr, unsigned long long __pc);
86 __attribute__((noinline, weak)) __device__ void *malloc(__hip_size_t __size) {
87   unsigned long long __pc = (unsigned long long)__builtin_return_address(0);
88   return (void *)__asan_malloc_impl(__size, __pc);
89 }
90 __attribute__((noinline, weak)) __device__ void free(void *__ptr) {
91   unsigned long long __pc = (unsigned long long)__builtin_return_address(0);
92   __asan_free_impl((unsigned long long)__ptr, __pc);
93 }
94 #else
95 __attribute__((weak)) inline __device__ void *malloc(__hip_size_t __size) {
96   return (void *) __ockl_dm_alloc(__size);
97 }
98 __attribute__((weak)) inline __device__ void free(void *__ptr) {
99   __ockl_dm_dealloc((unsigned long long)__ptr);
100 }
101 #endif // __has_feature(address_sanitizer)
102 #else  // HIP version check
103 #if __HIP_ENABLE_DEVICE_MALLOC__
104 __device__ void *__hip_malloc(__hip_size_t __size);
105 __device__ void *__hip_free(void *__ptr);
106 __attribute__((weak)) inline __device__ void *malloc(__hip_size_t __size) {
107   return __hip_malloc(__size);
108 }
109 __attribute__((weak)) inline __device__ void free(void *__ptr) {
110   __hip_free(__ptr);
111 }
112 #else
113 __attribute__((weak)) inline __device__ void *malloc(__hip_size_t __size) {
114   __builtin_trap();
115   return (void *)0;
116 }
117 __attribute__((weak)) inline __device__ void free(void *__ptr) {
118   __builtin_trap();
119 }
120 #endif
121 #endif // HIP version check
122 
123 #ifdef __cplusplus
124 } // extern "C"
125 #endif //__cplusplus
126 
127 #include <__clang_hip_libdevice_declares.h>
128 #include <__clang_hip_math.h>
129 #include <__clang_hip_stdlib.h>
130 
131 #if defined(__HIPCC_RTC__)
132 #include <__clang_hip_cmath.h>
133 #else
134 #include <__clang_cuda_math_forward_declares.h>
135 #include <__clang_hip_cmath.h>
136 #include <__clang_cuda_complex_builtins.h>
137 #include <algorithm>
138 #include <complex>
139 #include <new>
140 #endif // __HIPCC_RTC__
141 
142 #define __CLANG_HIP_RUNTIME_WRAPPER_INCLUDED__ 1
143 #if defined(__HIPCC_RTC__)
144 #pragma pop_macro("NULL")
145 #pragma pop_macro("uint32_t")
146 #pragma pop_macro("uint64_t")
147 #pragma pop_macro("CHAR_BIT")
148 #pragma pop_macro("INT_MAX")
149 #endif // __HIPCC_RTC__
150 #endif // __HIP__
151 #endif // __CLANG_HIP_RUNTIME_WRAPPER_H__
152