1 // Test for "sancov.py missing ...". 2 3 // First case: coverage from executable. main() is called on every code path. 4 // RUN: %clangxx_asan -fsanitize-coverage=func %s -o %t -DFOOBAR -DMAIN 5 // RUN: rm -rf %T/coverage-missing 6 // RUN: mkdir -p %T/coverage-missing 7 // RUN: cd %T/coverage-missing 8 // RUN: %env_asan_opts=coverage=1:coverage_dir=%T/coverage-missing %run %t 9 // RUN: %sancov print *.sancov > main.txt 10 // RUN: rm *.sancov 11 // RUN: [ $(cat main.txt | wc -l) == 1 ] 12 // RUN: %env_asan_opts=coverage=1:coverage_dir=%T/coverage-missing %run %t x 13 // RUN: %sancov print *.sancov > foo.txt 14 // RUN: rm *.sancov 15 // RUN: [ $(cat foo.txt | wc -l) == 3 ] 16 // RUN: %env_asan_opts=coverage=1:coverage_dir=%T/coverage-missing %run %t x x 17 // RUN: %sancov print *.sancov > bar.txt 18 // RUN: rm *.sancov 19 // RUN: [ $(cat bar.txt | wc -l) == 4 ] 20 // RUN: %sancov missing %t < foo.txt > foo-missing.txt 21 // RUN: sort main.txt foo-missing.txt -o foo-missing-with-main.txt 22 // The "missing from foo" set may contain a few bogus PCs from the sanitizer 23 // runtime, but it must include the entire "bar" code path as a subset. Sorted 24 // lists can be tested for set inclusion with diff + grep. 25 // RUN: ( diff bar.txt foo-missing-with-main.txt || true ) | not grep "^<" 26 27 // Second case: coverage from DSO. 28 // cd %T 29 // RUN: %clangxx_asan -fsanitize-coverage=func %s -o %dynamiclib -DFOOBAR -shared -fPIC 30 // RUN: %clangxx_asan -fsanitize-coverage=func %s %dynamiclib -o %t -DMAIN 31 // RUN: export LIBNAME=`basename %dynamiclib` 32 // RUN: rm -rf %T/coverage-missing 33 // RUN: mkdir -p %T/coverage-missing 34 // RUN: cd %T/coverage-missing 35 // RUN: %env_asan_opts=coverage=1:coverage_dir=%T/coverage-missing %run %t x 36 // RUN: %sancov print $LIBNAME.*.sancov > foo.txt 37 // RUN: rm *.sancov 38 // RUN: [ $(cat foo.txt | wc -l) == 2 ] 39 // RUN: %env_asan_opts=coverage=1:coverage_dir=%T/coverage-missing %run %t x x 40 // RUN: %sancov print $LIBNAME.*.sancov > bar.txt 41 // RUN: rm *.sancov 42 // RUN: [ $(cat bar.txt | wc -l) == 3 ] 43 // RUN: %sancov missing %dynamiclib < foo.txt > foo-missing.txt 44 // RUN: ( diff bar.txt foo-missing.txt || true ) | not grep "^<" 45 46 // REQUIRES: x86-target-arch 47 // XFAIL: android 48 49 #include <stdio.h> 50 51 void foo1(); 52 void foo2(); 53 void bar1(); 54 void bar2(); 55 void bar3(); 56 57 #if defined(FOOBAR) foo1()58void foo1() { fprintf(stderr, "foo1\n"); } foo2()59void foo2() { fprintf(stderr, "foo2\n"); } 60 bar1()61void bar1() { fprintf(stderr, "bar1\n"); } bar2()62void bar2() { fprintf(stderr, "bar2\n"); } bar3()63void bar3() { fprintf(stderr, "bar3\n"); } 64 #endif 65 66 #if defined(MAIN) main(int argc,char ** argv)67int main(int argc, char **argv) { 68 switch (argc) { 69 case 1: 70 break; 71 case 2: 72 foo1(); 73 foo2(); 74 break; 75 case 3: 76 bar1(); 77 bar2(); 78 bar3(); 79 break; 80 } 81 } 82 #endif 83