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Enable syscall fork_test on arm64. 

Signed-off-by: Haibo Xu <haibo.xu@arm.com>
Change-Id: I033692bcf4f8139df29e369a12b150d10fccbe32
This commit is contained in:
Haibo Xu 2020-03-17 06:59:54 +00:00
parent c560bfd1a8
commit 35e6b6bf1a
1 changed files with 15 additions and 2 deletions
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17
test/syscalls/linux/fork.cc
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@ -431,7 +431,6 @@ TEST(CloneTest, NewUserNamespacePermitsAllOtherNamespaces) {
<< "status = " << status;
}
#ifdef __x86_64__
// Clone with CLONE_SETTLS and a non-canonical TLS address is rejected.
TEST(CloneTest, NonCanonicalTLS) {
constexpr uintptr_t kNonCanonical = 1ull << 48;
@ -440,11 +439,25 @@ TEST(CloneTest, NonCanonicalTLS) {
// on this.
char stack;
// The raw system call interface on x86-64 is:
// long clone(unsigned long flags, void *stack,
// int *parent_tid, int *child_tid,
// unsigned long tls);
//
// While on arm64, the order of the last two arguments is reversed:
// long clone(unsigned long flags, void *stack,
// int *parent_tid, unsigned long tls,
// int *child_tid);
#if defined(__x86_64__)
EXPECT_THAT(syscall(__NR_clone, SIGCHLD | CLONE_SETTLS, &stack, nullptr,
nullptr, kNonCanonical),
SyscallFailsWithErrno(EPERM));
}
#elif defined(__aarch64__)
EXPECT_THAT(syscall(__NR_clone, SIGCHLD | CLONE_SETTLS, &stack, nullptr,
kNonCanonical, nullptr),
SyscallFailsWithErrno(EPERM));
#endif
}
} // namespace
} // namespace testing