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31 lines
699 B
31 lines
699 B
4 months ago
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// Checks that the debugging API returns correct shadow scale and offset.
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// RUN: %clangxx_asan -O %s -o %t
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// RUN: %env_asan_opts=verbosity=1 %run %t 2>&1 | FileCheck %s
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#include <sanitizer/asan_interface.h>
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#include <stdio.h>
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#include <stdlib.h>
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#if _WIN64
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#define PTR "%llx"
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#else
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#define PTR "%lx"
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#endif
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// printed because of verbosity=1
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// CHECK: SHADOW_SCALE: [[SCALE:[0-9]+]]
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// CHECK: SHADOW_OFFSET: [[OFFSET:0x[0-9a-f]+]]
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int main() {
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size_t scale, offset;
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__asan_get_shadow_mapping(&scale, &offset);
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fprintf(stderr, "scale: %d\n", (int)scale);
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fprintf(stderr, "offset: 0x" PTR "\n", (void*)offset);
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// CHECK: scale: [[SCALE]]
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// CHECK: offset: [[OFFSET]]
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return 0;
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}
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