derek.holloway
7502bf64a4
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48 lines
1.8 KiB
C++
48 lines
1.8 KiB
C++
// RUN: %clangxx_asan -g -O2 %s -o %t
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// RUN: not %run %t g 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=GLOB
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// RUN: not %run %t c 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CLASS_STATIC
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// RUN: not %run %t f 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=FUNC_STATIC
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// RUN: not %run %t l 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=LITERAL
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// COFF doesn't support debuginfo for globals. For the non-debuginfo tests, see global-location-nodebug.cpp.
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// XFAIL: target={{.*windows-msvc.*}}
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// FIXME: Investigate failure on MinGW
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// XFAIL: target={{.*-windows-gnu}}
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// atos doesn't show source line numbers for global variables.
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// UNSUPPORTED: darwin
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// CHECK: AddressSanitizer: global-buffer-overflow
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#include <string.h>
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struct C {
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static int array[10];
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// CLASS_STATIC: 0x{{.*}} is located 4 bytes after global variable 'C::array' defined in '{{.*}}global-location.cpp:[[@LINE-1]]' {{.*}} of size 40
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};
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int global[10];
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// GLOB: 0x{{.*}} is located 4 bytes after global variable 'global' defined in '{{.*}}global-location.cpp:[[@LINE-1]]' {{.*}} of size 40
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int C::array[10];
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int main(int argc, char **argv) {
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int one = argc - 1;
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switch (argv[1][0]) {
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case 'g': return global[one * 11];
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case 'c': return C::array[one * 11];
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case 'f':
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static int array[10];
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// FUNC_STATIC: 0x{{.*}} is located 4 bytes after global variable 'main::array' defined in '{{.*}}global-location.cpp:[[@LINE-1]]' {{.*}} of size 40
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memset(array, 0, 10);
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return array[one * 11];
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case 'l':
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const char *str = "0123456789";
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// LITERAL: 0x{{.*}} is located 0 bytes after global variable {{.*}} defined in '{{.*}}global-location.cpp:[[@LINE-1]]' {{.*}} of size 11
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return str[one * 11];
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}
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return 0;
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}
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// CHECK: SUMMARY: AddressSanitizer: global-buffer-overflow
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