6a540c1f38
The mips64el compiler-rt build has recently been enabled. XFAIL the failing tests to make the buildbot green again. The two asan tests require the integrated assembler. This will be fixed soon for Debian mips64el but not for any other mips64el targets since doing so requires triple-related issues to be fixed.. The msan tests are largely failing because caused by a kernel update (a patch has already been posted for this). I'm not sure why the dfsan test fails yet. llvm-svn: 278504
68 lines
1.7 KiB
C++
68 lines
1.7 KiB
C++
// Test fopencookie interceptor.
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// RUN: %clangxx_msan -std=c++11 -O0 %s -o %t && %run %t
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// RUN: %clangxx_msan -std=c++11 -fsanitize-memory-track-origins -O0 %s -o %t && %run %t
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// XFAIL: target-is-mips64el
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#include <assert.h>
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#include <pthread.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sanitizer/msan_interface.h>
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constexpr uintptr_t kMagicCookie = 0x12345678;
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static ssize_t cookie_read(void *cookie, char *buf, size_t size) {
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assert((uintptr_t)cookie == kMagicCookie);
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memset(buf, 0, size);
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return 0;
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}
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static ssize_t cookie_write(void *cookie, const char *buf, size_t size) {
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assert((uintptr_t)cookie == kMagicCookie);
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__msan_check_mem_is_initialized(buf, size);
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return 0;
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}
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static int cookie_seek(void *cookie, off64_t *offset, int whence) {
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assert((uintptr_t)cookie == kMagicCookie);
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__msan_check_mem_is_initialized(offset, sizeof(*offset));
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return 0;
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}
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static int cookie_close(void *cookie) {
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assert((uintptr_t)cookie == kMagicCookie);
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return 0;
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}
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void PoisonStack() { char a[8192]; }
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void TestPoisonStack() {
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// Verify that PoisonStack has poisoned the stack - otherwise this test is not
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// testing anything.
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char a;
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assert(__msan_test_shadow(&a - 1000, 1) == 0);
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}
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int main() {
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void *cookie = (void *)kMagicCookie;
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FILE *f = fopencookie(cookie, "rw",
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{cookie_read, cookie_write, cookie_seek, cookie_close});
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PoisonStack();
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TestPoisonStack();
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fseek(f, 100, SEEK_SET);
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char buf[50];
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fread(buf, 50, 1, f);
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fwrite(buf, 50, 1, f);
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fclose(f);
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f = fopencookie(cookie, "rw", {nullptr, nullptr, nullptr, nullptr});
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fseek(f, 100, SEEK_SET);
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fread(buf, 50, 1, f);
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fwrite(buf, 50, 1, f);
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fclose(f);
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}
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