private.h
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//===---------- private.h - Target independent OpenMP target RTL ----------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Private function declarations and helper macros for debugging output.
//
//===----------------------------------------------------------------------===//
#ifndef _OMPTARGET_PRIVATE_H
#define _OMPTARGET_PRIVATE_H
#include <omptarget.h>
#include <cstdint>
extern int target_data_begin(DeviceTy &Device, int32_t arg_num,
void **args_base, void **args, int64_t *arg_sizes,
int64_t *arg_types,
__tgt_async_info *async_info_ptr);
extern int target_data_end(DeviceTy &Device, int32_t arg_num, void **args_base,
void **args, int64_t *arg_sizes, int64_t *arg_types,
__tgt_async_info *async_info_ptr);
extern int target_data_update(DeviceTy &Device, int32_t arg_num,
void **args_base, void **args, int64_t *arg_sizes, int64_t *arg_types);
extern int target(int64_t device_id, void *host_ptr, int32_t arg_num,
void **args_base, void **args, int64_t *arg_sizes, int64_t *arg_types,
int32_t team_num, int32_t thread_limit, int IsTeamConstruct);
extern int CheckDeviceAndCtors(int64_t device_id);
// enum for OMP_TARGET_OFFLOAD; keep in sync with kmp.h definition
enum kmp_target_offload_kind {
tgt_disabled = 0,
tgt_default = 1,
tgt_mandatory = 2
};
typedef enum kmp_target_offload_kind kmp_target_offload_kind_t;
extern kmp_target_offload_kind_t TargetOffloadPolicy;
// This structure stores information of a mapped memory region.
struct MapComponentInfoTy {
void *Base;
void *Begin;
int64_t Size;
int64_t Type;
MapComponentInfoTy() = default;
MapComponentInfoTy(void *Base, void *Begin, int64_t Size, int64_t Type)
: Base(Base), Begin(Begin), Size(Size), Type(Type) {}
};
// This structure stores all components of a user-defined mapper. The number of
// components are dynamically decided, so we utilize C++ STL vector
// implementation here.
struct MapperComponentsTy {
std::vector<MapComponentInfoTy> Components;
};
////////////////////////////////////////////////////////////////////////////////
// implementation for fatal messages
////////////////////////////////////////////////////////////////////////////////
#define FATAL_MESSAGE0(_num, _str) \
do { \
fprintf(stderr, "Libomptarget fatal error %d: %s\n", _num, _str); \
exit(1); \
} while (0)
#define FATAL_MESSAGE(_num, _str, ...) \
do { \
fprintf(stderr, "Libomptarget fatal error %d:" _str "\n", _num, \
__VA_ARGS__); \
exit(1); \
} while (0)
// Implemented in libomp, they are called from within __tgt_* functions.
#ifdef __cplusplus
extern "C" {
#endif
// functions that extract info from libomp; keep in sync
int omp_get_default_device(void) __attribute__((weak));
int32_t __kmpc_omp_taskwait(void *loc_ref, int32_t gtid) __attribute__((weak));
int32_t __kmpc_global_thread_num(void *) __attribute__((weak));
int __kmpc_get_target_offload(void) __attribute__((weak));
#ifdef __cplusplus
}
#endif
#ifdef OMPTARGET_DEBUG
extern int DebugLevel;
#define DP(...) \
do { \
if (DebugLevel > 0) { \
DEBUGP("Libomptarget", __VA_ARGS__); \
} \
} while (false)
#else // OMPTARGET_DEBUG
#define DP(...) {}
#endif // OMPTARGET_DEBUG
#endif