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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-06 10:07:40 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-06 10:07:40 -0700 |
| commit | bbcf9cd1576752ebe8d618ad8c6500b7e262ffac (patch) | |
| tree | 169ad44790882e0392296bba25318bbfe1838d49 /tools/testing | |
| parent | 9ab9bc5115c9a1a57ed83a143c601c31488eadd9 (diff) | |
| parent | a0fc1436f1f4f84e93144480bf30e0c958d135b6 (diff) | |
Merge tag 'xtensa-20200805' of git://github.com/jcmvbkbc/linux-xtensa
Pull Xtensa updates from Max Filippov:
- add syscall audit support
- add seccomp filter support
- clean up make rules under arch/xtensa/boot
- fix state management for exclusive access opcodes
- fix build with PMU enabled
* tag 'xtensa-20200805' of git://github.com/jcmvbkbc/linux-xtensa:
xtensa: add missing exclusive access state management
xtensa: fix xtensa_pmu_setup prototype
xtensa: add boot subdirectories build artifacts to 'targets'
xtensa: add uImage and xipImage to targets
xtensa: move vmlinux.bin[.gz] to boot subdirectory
xtensa: initialize_mmu.h: fix a duplicated word
selftests/seccomp: add xtensa support
xtensa: add seccomp support
xtensa: expose syscall through user_pt_regs
xtensa: add audit support
Diffstat (limited to 'tools/testing')
| -rw-r--r-- | tools/testing/selftests/seccomp/seccomp_bpf.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c index 5267b9fb7c0f..06bd5901be74 100644 --- a/tools/testing/selftests/seccomp/seccomp_bpf.c +++ b/tools/testing/selftests/seccomp/seccomp_bpf.c @@ -129,6 +129,8 @@ struct seccomp_data { # define __NR_seccomp 358 # elif defined(__s390__) # define __NR_seccomp 348 +# elif defined(__xtensa__) +# define __NR_seccomp 337 # else # warning "seccomp syscall number unknown for this architecture" # define __NR_seccomp 0xffff @@ -1699,6 +1701,14 @@ TEST_F(TRACE_poke, getpid_runs_normally) # define SYSCALL_SYSCALL_NUM regs[4] # define SYSCALL_RET regs[2] # define SYSCALL_NUM_RET_SHARE_REG +#elif defined(__xtensa__) +# define ARCH_REGS struct user_pt_regs +# define SYSCALL_NUM syscall +/* + * On xtensa syscall return value is in the register + * a2 of the current window which is not fixed. + */ +#define SYSCALL_RET(reg) a[(reg).windowbase * 4 + 2] #else # error "Do not know how to find your architecture's registers and syscalls" #endif @@ -1770,7 +1780,8 @@ void change_syscall(struct __test_metadata *_metadata, EXPECT_EQ(0, ret) {} #if defined(__x86_64__) || defined(__i386__) || defined(__powerpc__) || \ - defined(__s390__) || defined(__hppa__) || defined(__riscv) + defined(__s390__) || defined(__hppa__) || defined(__riscv) || \ + defined(__xtensa__) { regs.SYSCALL_NUM = syscall; } @@ -1813,6 +1824,9 @@ void change_syscall(struct __test_metadata *_metadata, if (syscall == -1) #ifdef SYSCALL_NUM_RET_SHARE_REG TH_LOG("Can't modify syscall return on this architecture"); + +#elif defined(__xtensa__) + regs.SYSCALL_RET(regs) = result; #else regs.SYSCALL_RET = result; #endif |