diff options
| author | Andrew Turner <andrew@FreeBSD.org> | 2021-08-30 16:43:22 +0000 |
|---|---|---|
| committer | Andrew Turner <andrew@FreeBSD.org> | 2022-02-22 17:10:35 +0000 |
| commit | 6713be3159000783f7aacf3ea90d6c6878c44da0 (patch) | |
| tree | 1a0d3621c5aec85f5af349f8ebdab5a0c4ca2868 /tests | |
| parent | d5c0a7b6d3923d2a6967810d0aa3e148a39351c1 (diff) | |
| download | src-6713be3159000783f7aacf3ea90d6c6878c44da0.tar.gz src-6713be3159000783f7aacf3ea90d6c6878c44da0.zip | |
Add NT_ARM_ADDR_MASK
This can be used by debuggers to find which bits in a virtual address
should be masked off to get a canonical address. This is currently used
by the Pointer Authentication Code support to get its mask. It could also
be used if we support Top Byte Ignore for the same purpose.
Reviewed by: kib
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D34302
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/sys/kern/ptrace_test.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/sys/kern/ptrace_test.c b/tests/sys/kern/ptrace_test.c index 3e3a445c6152..c62db66fd6f6 100644 --- a/tests/sys/kern/ptrace_test.c +++ b/tests/sys/kern/ptrace_test.c @@ -3204,6 +3204,9 @@ ATF_TC_BODY(ptrace__PT_CONTINUE_with_signal_thread_sigmask, tc) ATF_TC_WITHOUT_HEAD(ptrace__PT_REGSET); ATF_TC_BODY(ptrace__PT_REGSET, tc) { +#if defined(__aarch64__) + struct arm64_addr_mask addr_mask; +#endif struct prstatus prstatus; struct iovec vec; pid_t child, wpid; @@ -3242,6 +3245,16 @@ ATF_TC_BODY(ptrace__PT_REGSET, tc) ATF_REQUIRE(ptrace(PT_SETREGSET, wpid, (caddr_t)&vec, NT_PRSTATUS) != -1); +#if defined(__aarch64__) + vec.iov_base = &addr_mask; + vec.iov_len = sizeof(addr_mask); + ATF_REQUIRE(ptrace(PT_GETREGSET, wpid, (caddr_t)&vec, + NT_ARM_ADDR_MASK) != -1); + REQUIRE_EQ(addr_mask.code, addr_mask.data); + ATF_REQUIRE(addr_mask.code == 0 || + addr_mask.code == 0xff7f000000000000UL); +#endif + REQUIRE_EQ(ptrace(PT_CONTINUE, child, (caddr_t)1, 0), 0); /* The second wait() should report the exit status. */ |