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134 lines
4.4 KiB
C
134 lines
4.4 KiB
C
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.txt for details.
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//
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//===----------------------------------------------------------------------===//
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/*! \file
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\brief The interface between compiler-generated host code and runtime library
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*/
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#ifndef COMPILER_IF_HOST_H_INCLUDED
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#define COMPILER_IF_HOST_H_INCLUDED
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#include "offload_host.h"
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#define OFFLOAD_TARGET_ACQUIRE OFFLOAD_PREFIX(target_acquire)
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#define OFFLOAD_TARGET_ACQUIRE1 OFFLOAD_PREFIX(target_acquire1)
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#define OFFLOAD_OFFLOAD OFFLOAD_PREFIX(offload)
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#define OFFLOAD_OFFLOAD1 OFFLOAD_PREFIX(offload1)
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#define OFFLOAD_OFFLOAD2 OFFLOAD_PREFIX(offload2)
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#define OFFLOAD_CALL_COUNT OFFLOAD_PREFIX(offload_call_count)
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/*! \fn OFFLOAD_TARGET_ACQUIRE
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\brief Attempt to acquire the target.
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\param target_type The type of target.
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\param target_number The device number.
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\param is_optional Whether CPU fall-back is allowed.
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\param status Address of variable to hold offload status.
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\param file Filename in which this offload occurred.
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\param line Line number in the file where this offload occurred.
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*/
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extern "C" OFFLOAD OFFLOAD_TARGET_ACQUIRE(
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TARGET_TYPE target_type,
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int target_number,
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int is_optional,
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_Offload_status* status,
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const char* file,
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uint64_t line
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);
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/*! \fn OFFLOAD_TARGET_ACQUIRE1
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\brief Acquire the target for offload (OpenMP).
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\param device_number Device number or null if not specified.
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\param file Filename in which this offload occurred
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\param line Line number in the file where this offload occurred.
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*/
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extern "C" OFFLOAD OFFLOAD_TARGET_ACQUIRE1(
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const int* device_number,
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const char* file,
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uint64_t line
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);
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/*! \fn OFFLOAD_OFFLOAD1
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\brief Run function on target using interface for old data persistence.
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\param o Offload descriptor created by OFFLOAD_TARGET_ACQUIRE.
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\param name Name of offload entry point.
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\param is_empty If no code to execute (e.g. offload_transfer)
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\param num_vars Number of variable descriptors.
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\param vars Pointer to VarDesc array.
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\param vars2 Pointer to VarDesc2 array.
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\param num_waits Number of "wait" values.
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\param waits Pointer to array of wait values.
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\param signal Pointer to signal value or NULL.
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*/
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extern "C" int OFFLOAD_OFFLOAD1(
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OFFLOAD o,
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const char *name,
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int is_empty,
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int num_vars,
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VarDesc *vars,
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VarDesc2 *vars2,
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int num_waits,
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const void** waits,
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const void** signal
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);
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/*! \fn OFFLOAD_OFFLOAD2
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\brief Run function on target using interface for new data persistence.
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\param o Offload descriptor created by OFFLOAD_TARGET_ACQUIRE.
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\param name Name of offload entry point.
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\param is_empty If no code to execute (e.g. offload_transfer)
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\param num_vars Number of variable descriptors.
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\param vars Pointer to VarDesc array.
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\param vars2 Pointer to VarDesc2 array.
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\param num_waits Number of "wait" values.
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\param waits Pointer to array of wait values.
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\param signal Pointer to signal value or NULL.
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\param entry_id A signature for the function doing the offload.
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\param stack_addr The stack frame address of the function doing offload.
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*/
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extern "C" int OFFLOAD_OFFLOAD2(
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OFFLOAD o,
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const char *name,
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int is_empty,
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int num_vars,
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VarDesc *vars,
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VarDesc2 *vars2,
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int num_waits,
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const void** waits,
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const void** signal,
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int entry_id,
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const void *stack_addr
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);
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// Run function on target (obsolete).
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// @param o OFFLOAD object
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// @param name function name
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extern "C" int OFFLOAD_OFFLOAD(
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OFFLOAD o,
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const char *name,
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int is_empty,
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int num_vars,
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VarDesc *vars,
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VarDesc2 *vars2,
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int num_waits,
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const void** waits,
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const void* signal,
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int entry_id = 0,
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const void *stack_addr = NULL
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);
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// Global counter on host.
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// This variable is used if P2OPT_offload_do_data_persistence == 2.
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// The variable used to identify offload constructs contained in one procedure.
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// Call to OFFLOAD_CALL_COUNT() is inserted at HOST on entry of the routine.
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extern "C" int OFFLOAD_CALL_COUNT();
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#endif // COMPILER_IF_HOST_H_INCLUDED
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