File: local_alias.cpp

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (36 lines) | stat: -rw-r--r-- 1,050 bytes parent folder | download | duplicates (33)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
// Test that mixing instrumented and non-instrumented code doesn't lead to crash.
// Build two modules (one is instrumented, another is not) that have globals
// with same names. Check, that ASan doesn't crash with CHECK failure or
// false positive global-buffer-overflow due to sanitized library poisons
// globals from non-sanitized one.
//
// RUN: %clangxx_asan -DBUILD_INSTRUMENTED_DSO=1 -fPIC -shared -mllvm -asan-use-private-alias %s -o %dynamiclib1
// RUN: %clangxx -DBUILD_UNINSTRUMENTED_DSO=1 -fPIC -shared %s -o %dynamiclib2
// RUN: %clangxx %s -c -mllvm -asan-use-private-alias -o %t.o
// RUN: %clangxx_asan %t.o %ld_flags_rpath_exe2 %ld_flags_rpath_exe1 -o %t-EXE
// RUN: %run %t-EXE

#if defined (BUILD_INSTRUMENTED_DSO)
long h = 15;
long f = 4;
long foo(long *p) {
  return *p;
}
#elif defined (BUILD_UNINSTRUMENTED_DSO)
long foo(long *);
long h = 12;
long i = 13;
long f = 5;

int bar() {
  if (foo(&f) != 5 || foo(&h) != 12 || foo(&i) != 13)
    return 1;
  return 0;
}
#else
extern int bar();

int main() {
  return bar();
}
#endif