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 51void foo1(); 52void foo2(); 53void bar1(); 54void bar2(); 55void bar3(); 56 57#if defined(FOOBAR) 58void foo1() { fprintf(stderr, "foo1\n"); } 59void foo2() { fprintf(stderr, "foo2\n"); } 60 61void bar1() { fprintf(stderr, "bar1\n"); } 62void bar2() { fprintf(stderr, "bar2\n"); } 63void bar3() { fprintf(stderr, "bar3\n"); } 64#endif 65 66#if defined(MAIN) 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