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93 lines
2.9 KiB
93 lines
2.9 KiB
4 months ago
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// Test for "sancov.py missing ...".
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// First case: coverage from executable. main() is called on every code path.
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// RUN: %clangxx_asan -fsanitize-coverage=func,trace-pc-guard %s -o %t -DFOOBAR -DMAIN
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// RUN: rm -rf %t-dir
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// RUN: mkdir -p %t-dir
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// RUN: cd %t-dir
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// RUN: %env_asan_opts=coverage=1:coverage_dir=%t-dir %run %t
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// RUN: %sancov print *.sancov > main.txt
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// RUN: rm *.sancov
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// RUN: count 1 < main.txt
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// RUN: %env_asan_opts=coverage=1:coverage_dir=%t-dir %run %t x
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// RUN: %sancov print *.sancov > foo.txt
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// RUN: rm *.sancov
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// RUN: count 3 < foo.txt
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// RUN: %env_asan_opts=coverage=1:coverage_dir=%t-dir %run %t x x
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// RUN: %sancov print *.sancov > bar.txt
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// RUN: rm *.sancov
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// RUN: count 4 < bar.txt
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// RUN: %sancov missing %t < foo.txt > foo-missing.txt
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// RUN: sort main.txt foo-missing.txt -o foo-missing-with-main.txt
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// The "missing from foo" set may contain a few bogus PCs from the sanitizer
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// runtime, but it must include the entire "bar" code path as a subset. Sorted
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// lists can be tested for set inclusion with diff + grep.
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// RUN: diff bar.txt foo-missing-with-main.txt > %t.log || true
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// RUN: not grep "^<" %t.log
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// Second case: coverage from DSO.
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// cd %t-dir
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// RUN: %clangxx_asan -fsanitize-coverage=func,trace-pc-guard %s -o %dynamiclib -DFOOBAR -shared -fPIC
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// RUN: %clangxx_asan -fsanitize-coverage=func,trace-pc-guard %s %dynamiclib -o %t -DMAIN
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// RUN: cd ..
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// RUN: rm -rf %t-dir
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// RUN: mkdir -p %t-dir
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// RUN: cd %t-dir
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// RUN: %env_asan_opts=coverage=1:coverage_dir=%t-dir %run %t x
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// RUN: %sancov print %xdynamiclib_filename.*.sancov > foo.txt
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// RUN: rm *.sancov
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// RUN: count 2 < foo.txt
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// RUN: %env_asan_opts=coverage=1:coverage_dir=%t-dir %run %t x x
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// RUN: %sancov print %xdynamiclib_filename.*.sancov > bar.txt
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// RUN: rm *.sancov
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// RUN: count 3 < bar.txt
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// RUN: %sancov missing %dynamiclib < foo.txt > foo-missing.txt
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// RUN: diff bar.txt foo-missing.txt > %t.log || true
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// RUN: not grep "^<" %t.log
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// FIXME %sancov GetInstrumentedPCs relies on objdump -d to
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// obtain the number of instrumented PCs. The i386
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// %dynamiclib has .plt entries that are not recognized by
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// objdump,
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// "sancov.py: found 0 instrumented PCs in *.so",
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// causing AddressSanitizer-i386-linux to fail.
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// Change it back to x86-target-arch after %sancov switches to a more robust approach.
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// REQUIRES: x86_64-target-arch
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// XFAIL: android
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#include <stdio.h>
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void foo1();
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void foo2();
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void bar1();
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void bar2();
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void bar3();
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#if defined(FOOBAR)
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void foo1() { fprintf(stderr, "foo1\n"); }
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void foo2() { fprintf(stderr, "foo2\n"); }
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void bar1() { fprintf(stderr, "bar1\n"); }
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void bar2() { fprintf(stderr, "bar2\n"); }
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void bar3() { fprintf(stderr, "bar3\n"); }
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#endif
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#if defined(MAIN)
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int main(int argc, char **argv) {
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switch (argc) {
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case 1:
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break;
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case 2:
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foo1();
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foo2();
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break;
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case 3:
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bar1();
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bar2();
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bar3();
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break;
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}
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}
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#endif
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