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| author | Kees Cook <keescook@chromium.org> | 2020-09-12 14:08:10 +0300 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2020-09-19 10:59:42 +0300 |
| commit | 0dd7d68572d9393765b57c001adc30822e3003ed (patch) | |
| tree | 1e67c4723211533e427ed464d49d7fb867eeb1b3 /tools/testing/selftests/seccomp | |
| parent | aa8fbb80a8034af23b08310142af1d9824d25533 (diff) | |
| download | linux-0dd7d68572d9393765b57c001adc30822e3003ed.tar.xz | |
selftests/seccomp: arm64: Define SYSCALL_NUM_SET macro
Remove the arm64 special-case in change_syscall().
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/lkml/20200912110820.597135-6-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 | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c index aa275ed8e183..ef7f65468069 100644 --- a/tools/testing/selftests/seccomp/seccomp_bpf.c +++ b/tools/testing/selftests/seccomp/seccomp_bpf.c @@ -1717,6 +1717,18 @@ TEST_F(TRACE_poke, getpid_runs_normally) #elif defined(__aarch64__) # define ARCH_REGS struct user_pt_regs # define SYSCALL_NUM(_regs) (_regs).regs[8] +# ifndef NT_ARM_SYSTEM_CALL +# define NT_ARM_SYSTEM_CALL 0x404 +# endif +# define SYSCALL_NUM_SET(_regs, _nr) \ + do { \ + struct iovec __v; \ + typeof(_nr) __nr = (_nr); \ + __v.iov_base = &__nr; \ + __v.iov_len = sizeof(__nr); \ + EXPECT_EQ(0, ptrace(PTRACE_SETREGSET, tracee, \ + NT_ARM_SYSTEM_CALL, &__v)); \ + } while (0) # define SYSCALL_RET(_regs) (_regs).regs[0] #elif defined(__riscv) && __riscv_xlen == 64 # define ARCH_REGS struct user_regs_struct @@ -1852,23 +1864,10 @@ void change_syscall(struct __test_metadata *_metadata, #if defined(__x86_64__) || defined(__i386__) || defined(__powerpc__) || \ defined(__s390__) || defined(__hppa__) || defined(__riscv) || \ defined(__xtensa__) || defined(__csky__) || defined(__sh__) || \ - defined(__mips__) || defined(__arm__) + defined(__mips__) || defined(__arm__) || defined(__aarch64__) { SYSCALL_NUM_SET(regs, syscall); } - -#elif defined(__aarch64__) -# ifndef NT_ARM_SYSTEM_CALL -# define NT_ARM_SYSTEM_CALL 0x404 -# endif - { - iov.iov_base = &syscall; - iov.iov_len = sizeof(syscall); - ret = ptrace(PTRACE_SETREGSET, tracee, NT_ARM_SYSTEM_CALL, - &iov); - EXPECT_EQ(0, ret); - } - #else ASSERT_EQ(1, 0) { TH_LOG("How is the syscall changed on this architecture?"); |