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unittests: Extend VDSO test for gettime64

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This commit is contained in:
Ryan Houdek 2022-09-24 20:18:03 -07:00
parent 8c7cfc4d11
commit 383e99e4ef
1 changed files with 27 additions and 0 deletions
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27
unittests/FEXLinuxTests/tests/vdso/vdso_test.cpp
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@ -27,6 +27,16 @@ getres_type getres_vdso = (getres_type)::clock_getres;
using getcpu_type = int (*) (uint32_t *cpu, uint32_t *node);
getcpu_type getcpu_vdso = (getcpu_type)::getcpu;
#if __SIZEOF_POINTER__ == 4
struct timespec64 {
int64_t tv_sec;
int64_t tv_nsec;
};
using gettime64_type = int (*)(clockid_t, struct timespec64 *);
gettime64_type gettime64_vdso = nullptr;
#endif
class VDSOParser {
#if __SIZEOF_POINTER__ == 8
using ELFHeader = Elf64_Ehdr;
@ -118,6 +128,13 @@ static void LoadVDSO() {
if (it) {
getcpu_vdso = reinterpret_cast<getcpu_type>(it);
}
#if __SIZEOF_POINTER__ == 4
it = VDSO.GetVDSOSymbol("__vdso_clock_gettime64");
if (it) {
gettime64_vdso = reinterpret_cast<gettime64_type>(it);
}
#endif
}
@ -179,4 +196,14 @@ TEST_CASE("VDSO") {
printf("\tCPU: 0x%x\n", cpu);
printf("\tNode: 0x%x\n", node);
}
#if __SIZEOF_POINTER__ == 4
if (gettime64_vdso) {
timespec64 ts{};
int result = gettime64_vdso(CLOCK_MONOTONIC, &ts);
printf("clock_gettime64\n");
CHECK(result == 0);
printf("\tTime: 0x%llx 0x%llx\n", ts.tv_sec, ts.tv_nsec);
}
#endif
}