diff options
author | Kees Cook <keescook@chromium.org> | 2020-09-12 14:08:11 +0300 |
---|---|---|
committer | Kees Cook <keescook@chromium.org> | 2020-09-19 10:59:45 +0300 |
commit | 37989de731dbea5af143806192c4cd1484990ab4 (patch) | |
tree | 4ebbda6a56abe96e242c3ee0a5b5c6dc1f81ed46 /tools/testing/selftests/seccomp | |
parent | 0dd7d68572d9393765b57c001adc30822e3003ed (diff) | |
download | linux-37989de731dbea5af143806192c4cd1484990ab4.tar.xz |
selftests/seccomp: mips: Remove O32-specific macro
Instead of having the mips O32 macro special-cased, pull the logic into
the SYSCALL_NUM() macro. Additionally include the ABI headers, since
these appear to have been missing, leaving __NR_O32_Linux undefined.
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/lkml/20200912110820.597135-7-keescook@chromium.org
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Diffstat (limited to 'tools/testing/selftests/seccomp')
-rw-r--r-- | tools/testing/selftests/seccomp/seccomp_bpf.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c index ef7f65468069..7976cb480912 100644 --- a/tools/testing/selftests/seccomp/seccomp_bpf.c +++ b/tools/testing/selftests/seccomp/seccomp_bpf.c @@ -1756,9 +1756,19 @@ TEST_F(TRACE_poke, getpid_runs_normally) # define SYSCALL_RET(_regs) (_regs).gprs[2] # define SYSCALL_NUM_RET_SHARE_REG #elif defined(__mips__) +# include <asm/unistd_nr_n32.h> +# include <asm/unistd_nr_n64.h> +# include <asm/unistd_nr_o32.h> # define ARCH_REGS struct pt_regs -# define SYSCALL_NUM(_regs) (_regs).regs[2] -# define SYSCALL_SYSCALL_NUM regs[4] +# define SYSCALL_NUM(_regs) \ + ({ \ + typeof((_regs).regs[2]) _nr; \ + if ((_regs).regs[2] == __NR_O32_Linux) \ + _nr = (_regs).regs[4]; \ + else \ + _nr = (_regs).regs[2]; \ + _nr; \ + }) # define SYSCALL_NUM_SET(_regs, _nr) \ do { \ if ((_regs).regs[2] == __NR_O32_Linux) \ @@ -1838,10 +1848,6 @@ int get_syscall(struct __test_metadata *_metadata, pid_t tracee) } #endif -#if defined(__mips__) - if (SYSCALL_NUM(regs) == __NR_O32_Linux) - return regs.SYSCALL_SYSCALL_NUM; -#endif return SYSCALL_NUM(regs); } |