[PATCH 04/15] selftests/seccomp: arm: Define SYSCALL_NUM_SET macro

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Remove the arm special-case in change_syscall().

Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
 tools/testing/selftests/seccomp/seccomp_bpf.c | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index 02a9a6599746..610fc036e374 100644
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -1708,6 +1708,11 @@ TEST_F(TRACE_poke, getpid_runs_normally)
 #elif defined(__arm__)
 # define ARCH_REGS		struct pt_regs
 # define SYSCALL_NUM(_regs)	(_regs).ARM_r7
+# ifndef PTRACE_SET_SYSCALL
+#  define PTRACE_SET_SYSCALL   23
+# endif
+# define SYSCALL_NUM_SET(_regs, _nr)	\
+		EXPECT_EQ(0, ptrace(PTRACE_SET_SYSCALL, tracee, NULL, _nr))
 # define SYSCALL_RET(_regs)	(_regs).ARM_r0
 #elif defined(__aarch64__)
 # define ARCH_REGS		struct user_pt_regs
@@ -1847,20 +1852,11 @@ 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(__mips__) || defined(__arm__)
 	{
 		SYSCALL_NUM_SET(regs, syscall);
 	}
 
-#elif defined(__arm__)
-# ifndef PTRACE_SET_SYSCALL
-#  define PTRACE_SET_SYSCALL   23
-# endif
-	{
-		ret = ptrace(PTRACE_SET_SYSCALL, tracee, NULL, syscall);
-		EXPECT_EQ(0, ret);
-	}
-
 #elif defined(__aarch64__)
 # ifndef NT_ARM_SYSTEM_CALL
 #  define NT_ARM_SYSTEM_CALL 0x404
-- 
2.25.1




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