linux-kernel - [PATCH] selftests/seccomp: sh: Fix register names

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Message-Id: <20201117205656.1000223-1-keescook@chromium.org>
Date:   Tue, 17 Nov 2020 12:56:56 -0800
From:   Kees Cook <keescook@...omium.org>
To:     linux-kernel@...r.kernel.org
Cc:     Kees Cook <keescook@...omium.org>,
        John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
        Michael Karcher <kernel@...rcher.dialup.fu-berlin.de>,
        Rich Felker <dalias@...c.org>,
        Andy Lutomirski <luto@...capital.net>,
        Will Drewry <wad@...omium.org>, linux-kselftest@...r.kernel.org
Subject: [PATCH] selftests/seccomp: sh: Fix register names

It looks like the seccomp selftests were never actually built for sh.
This fixes it, though I don't have an environment to do a runtime test
of it yet.

Fixes: 0bb605c2c7f2b4b3 ("sh: Add SECCOMP_FILTER")
Signed-off-by: Kees Cook <keescook@...omium.org>
---
 tools/testing/selftests/seccomp/seccomp_bpf.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index 7f7ecfcd66db..26c72f2b61b1 100644
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -1804,8 +1804,8 @@ TEST_F(TRACE_poke, getpid_runs_normally)
 #define SYSCALL_RET(_regs)	(_regs).a[(_regs).windowbase * 4 + 2]
 #elif defined(__sh__)
 # define ARCH_REGS		struct pt_regs
-# define SYSCALL_NUM(_regs)	(_regs).gpr[3]
-# define SYSCALL_RET(_regs)	(_regs).gpr[0]
+# define SYSCALL_NUM(_regs)	(_regs).regs[3]
+# define SYSCALL_RET(_regs)	(_regs).regs[0]
 #else
 # error "Do not know how to find your architecture's registers and syscalls"
 #endif
-- 
2.25.1