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| author | Mark Rutland | 2018-07-11 15:56:42 +0200 |
|---|---|---|
| committer | Will Deacon | 2018-07-12 15:40:39 +0200 |
| commit | 27d83e68f307ee55b70fdfdc7a9ba3f25f276189 (patch) | |
| tree | 3e2db6811a0af538dd88b40381e5a63b26f5327c /arch/arm64/include/asm/syscall.h | |
| parent | arm64: remove sigreturn wrappers (diff) | |
| download | kernel-qcow2-linux-27d83e68f307ee55b70fdfdc7a9ba3f25f276189.tar.gz kernel-qcow2-linux-27d83e68f307ee55b70fdfdc7a9ba3f25f276189.tar.xz kernel-qcow2-linux-27d83e68f307ee55b70fdfdc7a9ba3f25f276189.zip | |
arm64: introduce syscall_fn_t
In preparation for invoking arbitrary syscalls from C code, let's define
a type for an arbitrary syscall, matching the parameter passing rules of
the AAPCS.
There should be no functional change as a result of this patch.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/syscall.h')
| -rw-r--r-- | arch/arm64/include/asm/syscall.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/syscall.h b/arch/arm64/include/asm/syscall.h index 709a574468f0..50841cb1bfa9 100644 --- a/arch/arm64/include/asm/syscall.h +++ b/arch/arm64/include/asm/syscall.h @@ -20,7 +20,11 @@ #include <linux/compat.h> #include <linux/err.h> -extern const void *sys_call_table[]; +typedef long (*syscall_fn_t)(unsigned long, unsigned long, + unsigned long, unsigned long, + unsigned long, unsigned long); + +extern const syscall_fn_t sys_call_table[]; static inline int syscall_get_nr(struct task_struct *task, struct pt_regs *regs) |