forked from OSchip/llvm-project
16 lines
374 B
C
16 lines
374 B
C
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#if __LP64__
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# define SANITIZER_WORDSIZE 64
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#else
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# define SANITIZER_WORDSIZE 32
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#endif
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// This is a simplified version of GetMaxVirtualAddress function.
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unsigned long SystemVMA () {
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#if SANITIZER_WORDSIZE == 64
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unsigned long vma = (unsigned long)__builtin_frame_address(0);
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return SANITIZER_WORDSIZE - __builtin_clzll(vma);
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#else
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return SANITIZER_WORDSIZE;
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#endif
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}
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