From 1f66e06fb6414732bef7bf4a071ef76a837badec Mon Sep 17 00:00:00 2001 From: Wade Farnsworth Date: Fri, 7 Sep 2012 18:18:25 +0100 Subject: ARM: 7524/1: support syscall tracing As specified by ftrace-design.txt, TIF_SYSCALL_TRACEPOINT was added, as well as NR_syscalls in asm/unistd.h. Additionally, __sys_trace was modified to call trace_sys_enter and trace_sys_exit when appropriate. Tests #2 - #4 of "perf test" now complete successfully. Signed-off-by: Steven Walter Signed-off-by: Wade Farnsworth Signed-off-by: Will Deacon Signed-off-by: Russell King --- arch/arm/include/asm/unistd.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'arch/arm/include/asm/unistd.h') diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h index 0cab47d4a83..a566ec20d48 100644 --- a/arch/arm/include/asm/unistd.h +++ b/arch/arm/include/asm/unistd.h @@ -405,6 +405,14 @@ #define __NR_process_vm_readv (__NR_SYSCALL_BASE+376) #define __NR_process_vm_writev (__NR_SYSCALL_BASE+377) +/* + * This may need to be greater than __NR_last_syscall+1 in order to + * account for the padding in the syscall table + */ +#ifdef __KERNEL__ +#define __NR_syscalls (380) +#endif /* __KERNEL__ */ + /* * The following SWIs are ARM private. */ -- cgit v1.2.3-70-g09d2