5b4dda550e
Complete support for fast8: - amend shadow size and mapping in runtime - remove fast16 mode and -dfsan-fast-16-labels flag - remove legacy mode and make fast8 mode the default - remove dfsan-fast-8-labels flag - remove functions in dfsan interface only applicable to legacy - remove legacy-related instrumentation code and tests - update documentation. Reviewed By: stephan.yichao.zhao, browneee Differential Revision: https://reviews.llvm.org/D103745
28 lines
591 B
C
28 lines
591 B
C
// RUN: %clang_dfsan %s -o %t
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// RUN: %run %t
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//
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// REQUIRES: x86_64-target-arch
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//
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#include <sanitizer/dfsan_interface.h>
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#include <assert.h>
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#include <stdio.h>
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#include <string.h>
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int foo(int a, int b) {
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return a + b;
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}
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int main(int argc, char *argv[]) {
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int a = 10;
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int b = 20;
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dfsan_set_label(8, &a, sizeof(a));
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dfsan_set_label(128, &b, sizeof(b));
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int c = foo(a, b);
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printf("A: 0x%x\n", dfsan_get_label(a));
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printf("B: 0x%x\n", dfsan_get_label(b));
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dfsan_label l = dfsan_get_label(c);
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printf("C: 0x%x\n", l);
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assert(l == 136); // OR of the other two labels.
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}
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