diff options
Diffstat (limited to 'libcilkrts/runtime/cilk-abi-vla-internal.c')
-rw-r--r-- | libcilkrts/runtime/cilk-abi-vla-internal.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/libcilkrts/runtime/cilk-abi-vla-internal.c b/libcilkrts/runtime/cilk-abi-vla-internal.c new file mode 100644 index 00000000000..6fb92677ad0 --- /dev/null +++ b/libcilkrts/runtime/cilk-abi-vla-internal.c @@ -0,0 +1,83 @@ +/* cilk-abi-vla-internal.c -*-C++-*- + * + ************************************************************************* + * + * @copyright + * Copyright (C) 2013, Intel Corporation + * All rights reserved. + * + * @copyright + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * @copyright + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY + * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + **************************************************************************/ + +/* + * These functions are provided in their own compilation unit so I can debug + * them. cilk-abi-vla.c must always be compiled with optimization on so that + * inlining occurs. + */ + +#include "internal/abi.h" +#include "cilk-abi-vla-internal.h" +#include "bug.h" +#include "full_frame.h" +#include "local_state.h" + +#include <stdlib.h> +#include <stdint.h> + +#include "bug.h" + +void *vla_internal_heap_alloc(__cilkrts_stack_frame *sf, + size_t full_size, + uint32_t align) +{ + return malloc(full_size); +} + +void vla_internal_heap_free(void *t, size_t size) +{ + free(t); +} + +void vla_free_from_original_stack(__cilkrts_stack_frame *sf, + size_t full_size) +{ + // The __cilkrts_stack_frame must be initialized + CILK_ASSERT(sf->worker); + +#if 1 + // Add full_size to ff->sync_sp so that when we return, the VLA will no + // longer be allocated on the stack + __cilkrts_adjust_stack(sf->worker->l->frame_ff, full_size); +#else + // Inline __cilkrts_adjust_stack for Kevin + full_frame *ff = sf->worker->l->frame_ff; + ff->sync_sp = ff->sync_sp + full_size; +#endif +} |