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95 lines
3.6 KiB
C
95 lines
3.6 KiB
C
/* cilk-abi-vla-internal.c -*-C++-*-
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*
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*************************************************************************
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*
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* Copyright (C) 2013-2016, Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
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* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* *********************************************************************
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*
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* PLEASE NOTE: This file is a downstream copy of a file mainitained in
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* a repository at cilkplus.org. Changes made to this file that are not
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* submitted through the contribution process detailed at
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* http://www.cilkplus.org/submit-cilk-contribution will be lost the next
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* time that a new version is released. Changes only submitted to the
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* GNU compiler collection or posted to the git repository at
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* https://bitbucket.org/intelcilkruntime/intel-cilk-runtime.git are
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* not tracked.
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*
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* We welcome your contributions to this open source project. Thank you
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* for your assistance in helping us improve Cilk Plus.
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**************************************************************************/
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/*
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* These functions are provided in their own compilation unit so I can debug
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* them. cilk-abi-vla.c must always be compiled with optimization on so that
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* inlining occurs.
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*/
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#include "internal/abi.h"
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#include "cilk-abi-vla-internal.h"
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#include "bug.h"
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#include "full_frame.h"
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#include "local_state.h"
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#include <stdlib.h>
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#include <stdint.h>
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#include "bug.h"
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void *vla_internal_heap_alloc(__cilkrts_stack_frame *sf,
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size_t full_size,
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uint32_t align)
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{
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return malloc(full_size);
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}
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void vla_internal_heap_free(void *t, size_t size)
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{
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free(t);
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}
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void vla_free_from_original_stack(__cilkrts_stack_frame *sf,
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size_t full_size)
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{
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// The __cilkrts_stack_frame must be initialized
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CILK_ASSERT(sf->worker);
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#if 1
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// Add full_size to ff->sync_sp so that when we return, the VLA will no
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// longer be allocated on the stack
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__cilkrts_adjust_stack(sf->worker->l->frame_ff, full_size);
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#else
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// Inline __cilkrts_adjust_stack for Kevin
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full_frame *ff = sf->worker->l->frame_ff;
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ff->sync_sp = ff->sync_sp + full_size;
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#endif
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}
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