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| author | Max Filippov <jcmvbkbc@gmail.com> | 2020-07-19 03:47:43 +0300 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2020-07-28 10:57:05 +0300 |
| commit | 8b7a87a03f7c15c7a1e1647c3527292604e80f6f (patch) | |
| tree | d74522605da28d8d06f4874f8f4822a9657adb78 /arch/xtensa/include | |
| parent | ef1a935c08ea97436f62edb0b1427d60e31b777b (diff) | |
| download | linux-8b7a87a03f7c15c7a1e1647c3527292604e80f6f.tar.xz | |
xtensa: expose syscall through user_pt_regs
Use one of the reserved slots in struct user_pt_regs to return syscall
number in the GPR regset. Update syscall number from the GPR regset only
when it's non-zero.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'arch/xtensa/include')
| -rw-r--r-- | arch/xtensa/include/uapi/asm/ptrace.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/xtensa/include/uapi/asm/ptrace.h b/arch/xtensa/include/uapi/asm/ptrace.h index 2ec0f9100a06..50db3e0a6341 100644 --- a/arch/xtensa/include/uapi/asm/ptrace.h +++ b/arch/xtensa/include/uapi/asm/ptrace.h @@ -50,7 +50,8 @@ struct user_pt_regs { __u32 windowstart; __u32 windowbase; __u32 threadptr; - __u32 reserved[7 + 48]; + __u32 syscall; + __u32 reserved[6 + 48]; __u32 a[64]; }; |