derek.holloway
7502bf64a4
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36 lines
1.0 KiB
Common Lisp
36 lines
1.0 KiB
Common Lisp
/*===--------------------------------------------------------------------------
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* ROCm Device Libraries
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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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#include "asan_util.h"
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#include "shadow_mapping.h"
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static const __constant u8 kAsanArrayCookieMagic = (u8)0xac;
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static const __constant u8 kAsanHeapFreeMagic = (u8)0xfd;
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USED NO_SANITIZE_ADDR
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void
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__asan_poison_cxx_array_cookie(uptr a) {
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__global u8 *sa = (__global u8 *)MEM_TO_SHADOW(a);
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*sa = kAsanArrayCookieMagic;
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}
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USED NO_INLINE NO_SANITIZE_ADDR
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uptr
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__asan_load_cxx_array_cookie(uptr a) {
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uptr pc = GET_CALLER_PC();
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__global u8 *sa = (__global u8 *)MEM_TO_SHADOW(a);
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u8 sv = *sa;
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if (sv == kAsanArrayCookieMagic)
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return *(__global uptr *)a;
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if (sv == kAsanHeapFreeMagic) {
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REPORT_IMPL(pc, a, 0, 1, false);
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return 0;
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}
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return *(__global uptr *)a;
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}
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