forked from OSchip/llvm-project
39 lines
1010 B
C
39 lines
1010 B
C
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//===-- clear_cache.c - Implement __clear_cache ---------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include <stdlib.h>
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#if __APPLE__
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#include <libkern/OSCacheControl.h>
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#endif
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//
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// The compiler generates calls to __clear_cache() when creating
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// trampoline functions on the stack for use with nested functions.
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// It is expected to invalidate the instruction cache for the
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// specified range.
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//
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void __clear_cache(void* start, void* end)
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{
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#if __i386__ || __x86_64__
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//
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// Intel processors have a unified instruction and data cache
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// so there is nothing to do
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//
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#else
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#if __APPLE__
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// On Darwin, sys_icache_invalidate() provides this functionality
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sys_icache_invalidate(start, end-start);
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#else
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abort();
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#endif
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#endif
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}
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