Removed mask_string.stp, integrated into system_calls.stp

2 files changed, 189 insertions, 151 deletions

diff --git a/tapset/mask_string.stp b/tapset/mask_string.stp
deleted file mode 100644
index db5eaef8..00000000
--- a/tapset/mask_string.stp
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- These functions construct the bitwise-or'd symbolic string
- representation of the f param, based on the function arg.
-*/
-function __decf(f,mask){ return ((f-mask)>=0) ? (f-mask) : f }
-
-/* `man 2 open` for more information */
-function _sys_open_flag_str(f) {
-   if((f-8192)>=0 && (f=__decf(f,8192))>=0) bs="O_ASYNC|".bs
-   if((f-4096)>=0 && (f=__decf(f,4096))>=0) bs="O_SYNC|".bs
-   if((f-2048)>=0 && (f=__decf(f,2048))>=0) bs="O_NONBLOCK|".bs
-   if((f-1024)>=0 && (f=__decf(f,1024))>=0) bs="O_APPEND|".bs
-   if((f-512)>=0  && (f=__decf(f,512))>=0) bs="O_TRUNC|".bs
-   if((f-256)>=0  && (f=__decf(f,256))>=0) bs="O_NDCTTY|".bs
-   if((f-128)>=0  && (f=__decf(f,128))>=0) bs="O_EXCL|".bs
-   if((f-64)>=0   && (f=__decf(f,64))>=0) bs="O_CREAT|".bs
-   if((f-2)>=0    && (f=__decf(f,2))>=0)
-      return substr("O_RDWR|".bs,0,strlen("O_RDWR|".bs)-1)
-   if((f-1)>=0    && (f=__decf(f,1))>=0)
-      return substr("O_WRONLY|".bs,0,strlen("O_WRONLY|".bs)-1)
-   return substr("O_RDONLY|".bs,0,strlen("O_RDONLY|".bs)-1)
-}
-
-/* `man 2 open` for more information */
-function _sys_open_mode_str(f) {
-   if((f-448)>=0 && (f=__decf(f,448))>=0) bs="S_IRWXU|".bs
-   if((f-256)>=0 && (f=__decf(f,256))>=0) bs="S_IRUSR|".bs
-   if((f-128)>=0 && (f=__decf(f,128))>=0) bs="S_IWUSR|".bs
-   if((f-64)>=0 && (f=__decf(f,64))>=0) bs="S_IXUSR|".bs
-   if((f-56)>=0 && (f=__decf(f,56))>=0) bs="S_IRWXG|".bs
-   if((f-32)>=0 && (f=__decf(f,32))>=0) bs="S_IRGRP|".bs
-   if((f-16)>=0 && (f=__decf(f,16))>=0) bs="S_IWGRP|".bs
-   if((f-8)>=0 && (f=__decf(f,8))>=0) bs="S_IXGRP|".bs
-   if((f-7)>=0 && (f=__decf(f,7))>=0) bs="S_IRWXO|".bs
-   if((f-4)>=0 && (f=__decf(f,4))>=0) bs="S_IROTH|".bs
-   if((f-2)>=0 && (f=__decf(f,2))>=0) bs="S_IWOTH|".bs
-   if((f-1)>=0 && (f=__decf(f,1))>=0) bs="S_IXOTH|".bs
-   return substr(bs,0,strlen(bs)-1)
-
-/* `man adjtimex` for more information */
-function _sys_adjtimex_mode_str(f) {
-   if((f-32769)>=0 && (f=__decf(f,32769))>=0) bs="ADJ_OFFSET_SINGLESHOT|".bs
-   if((f-16384)>=0 && (f=__decf(f,16384))>=0) bs="ADJ_TICK|".bs
-   if((f-32)>=0 && (f=__decf(f,32))>=0) bs="ADJ_TIMECONST|".bs
-   if((f-16)>=0 && (f=__decf(f,16))>=0) bs="ADJ_STATUS|".bs
-   if((f-8)>=0 && (f=__decf(f,8))>=0) bs="ADJ_ESTERROR|".bs
-   if((f-3)>=0 && (f=__decf(f,3))>=0) bs="ADJ_MAXERROR|".bs
-   if((f-2)>=0 && (f=__decf(f,2))>=0) bs="ADJ_FREQUENCY|".bs
-   if((f-1)>=0 && (f=__decf(f,1))>=0) bs="ADJ_OFFSET|".bs
-   return substr(bs,0,strlen(bs)-1)
-}
diff --git a/tapset/system_calls.stp b/tapset/system_calls.stp
index b0fc1ac5..8be52d12 100644
--- a/tapset/system_calls.stp
+++ b/tapset/system_calls.stp
@@ -38,8 +38,9 @@ probe kernel.syscall.stime.return =
 		*/
 	}
 # gettimeofday_____________________________________
-/* asmlinkage long sys_gettimeofday(struct timeval __user *tv, 
-				    struct timezone __user *tz) */
+/* asmlinkage long 
+   sys_gettimeofday(struct timeval __user *tv, 
+		    struct timezone __user *tz) */
 probe kernel.syscall.gettimeofday = 
 	kernel.function("sys_gettimeofday") {
 		name = "gettimeofday"
@@ -56,8 +57,9 @@ probe kernel.syscall.gettimeofday.return =
 		*/
 	}
 # settimeofday_____________________________________
-/* asmlinkage long sys_settimeofday(struct timeval __user *tv, 
-				    struct timezone __user *tz) */
+/* asmlinkage long 
+   sys_settimeofday(struct timeval __user *tv, 
+		    struct timezone __user *tz) */
 probe kernel.syscall.settimeofday = 
 	kernel.function("sys_settimeofday") {
 		name = "settimeofday"
@@ -356,15 +358,18 @@ probe kernel.syscall.getgroups.return =
 		SUMMARY
 		int getgroups(int size, gid_t list[]);
        	
-                Up  to  size  supplementary group IDs are returned in list.  
-		It is unspecified whether the effective group ID of the  calling  
-		process  is  included  in  the returned  list.  (Thus,  an 
-		application should also call getegid(2) and add or remove the 
-		resulting value.)  If size is zero, list is not modified,  but  the
-                total number of supplementary group IDs for the process is returned.
-
-		Note: I do not think SystemTap has support for arrays, this may be
-		      able to be delegated to an embedded aux function....
+                Up  to  size  supplementary group IDs are returned 
+		in list.  It is unspecified whether the effective 
+		group ID of the  calling  process  is  included  in  
+		the returned  list.  (Thus,  an  application should 
+		also call getegid(2) and add or remove the resulting 
+		value.)  If size is zero, list is not modified,  but  
+		the total number of supplementary group IDs for the 
+		process is returned.
+
+		Note: I do not think SystemTap has support for arrays, 
+		      this may be able to be delegated to an embedded 
+		      aux function....
 		*/
 	}
 # setregid_________________________________________
@@ -522,8 +527,9 @@ probe kernel.syscall.setgroups =
                 Sets the supplementary group IDs for the process.  
 		Only the super-user may use this function.
 
-                Note: I do not think SystemTap has support for arrays, this may be
-                      able to be delegated to an embedded aux function....
+                Note: I do not think SystemTap has support for arrays, 
+		      this may be  able to be delegated to an embedded 
+		      aux function....
                 */
 	}
 
@@ -537,8 +543,8 @@ probe kernel.syscall.setgroups.return =
                 Sets the supplementary group IDs for the process.
                 Only the super-user may use this function.
 
-                Note: I do not think SystemTap has support for arrays, this may be
-                      able to be delegated to an embedded aux function....
+                Note: I do not think SystemTap has support for arrays,                       	      this may be  able to be delegated to an embedded
+		      aux function....
                 */
 	}
 # acct_____________________________________________
@@ -678,17 +684,15 @@ probe kernel.syscall.sigpending.return =
 		*/
 	}
 # sigprocmask______________________________________
-/* asmlinkage long sys_sigprocmask(int how,
-                                   old_sigset_t __user *set,
-                                   old_sigset_t __user *oset) */
+/* asmlinkage long 
+   sys_sigprocmask(int how,
+		   old_sigset_t __user *set,
+		   old_sigset_t __user *oset) */
 probe kernel.syscall.sigprocmask = 
 	kernel.function("sys_sigprocmask") {
 		name = "sigprocmask"
 		how = $how
-		how_str = ""
-		if (how==0) how_str = "SIG_BLOCK"
-		if (how==1) how_str = "SIG_UNBLOCK"
-		if (how==2) how_str = "SIG_SETMASK"
+		how_str = _sigprocmask_how_str($how)
 		/*
 		set = $set
 		oldset = $oset
@@ -699,26 +703,21 @@ probe kernel.syscall.sigprocmask.return =
 	kernel.function("sys_sigprocmask").return {
 		name = "sigprocmask.return"
                 how = $how
-                how_str = ""
-                if (how==0) how_str = "SIG_BLOCK"
-                if (how==1) how_str = "SIG_UNBLOCK"
-                if (how==2) how_str = "SIG_SETMASK"
+                how_str = _sigprocmask_how_str($how)
                 /*
                 set = $set
                 oldset = $oset
                 */
 	}
 # getitimer________________________________________
-/* asmlinkage long sys_getitimer(int which, 
-				 struct itimerval __user *value) */
+/* asmlinkage long 
+   sys_getitimer(int which, 
+		 struct itimerval __user *value) */
 probe kernel.syscall.getitimer = 
 	kernel.function("sys_getitimer") {
 		name = "getitimer"
 		which = $which
-		which_str = ""
-		if (how==0) how_str = "ITIMER_REAL"
-                if (how==1) how_str = "ITIMER_VIRTUAL"
-                if (how==2) how_str = "ITIMER_PROF"
+		which_str = _itimer_which_str($which)
 		/*
 		value_it_interval_tv_sec =  $value->it_interval->tv_sec
 		value_it_interval_tv_usec = $value->it_interval->tv_usec
@@ -731,10 +730,7 @@ probe kernel.syscall.getitimer.return =
 	kernel.function("sys_getitimer").return {
 		name = "getitimer.return"
                 which = $which
-                which_str = ""
-                if (how==0) how_str = "ITIMER_REAL"
-                if (how==1) how_str = "ITIMER_VIRTUAL"
-                if (how==2) how_str = "ITIMER_PROF"
+                which_str = _itimer_which_str($which)
                 /*
                 value_it_interval_tv_sec =  $value->it_interval->tv_sec
                 value_it_interval_tv_usec = $value->it_interval->tv_usec
@@ -743,17 +739,15 @@ probe kernel.syscall.getitimer.return =
                 */
 	}
 # setitimer________________________________________
-/* asmlinkage long sys_setitimer(int which,
-                                 struct itimerval __user *value,
-                                 struct itimerval __user *ovalue) */
+/* asmlinkage long 
+   sys_setitimer(int which,
+		 struct itimerval __user *value,
+		 struct itimerval __user *ovalue) */
 probe kernel.syscall.setitimer = 
 	kernel.function("sys_setitimer") {
 		name = "setitimer"
                 which = $which
-                which_str = ""
-                if (how==0) how_str = "ITIMER_REAL"
-                if (how==1) how_str = "ITIMER_VIRTUAL"
-                if (how==2) how_str = "ITIMER_PROF"
+                which_str = _itimer_which_str($which)
                 /*
                 value_it_interval_tv_sec =  $value->it_interval->tv_sec
                 value_it_interval_tv_usec = $value->it_interval->tv_usec
@@ -766,10 +760,7 @@ probe kernel.syscall.setitimer.return =
 	kernel.function("sys_setitimer").return {
 		name = "setitimer.return"
                 which = $which
-                which_str = ""
-                if (how==0) how_str = "ITIMER_REAL"
-                if (how==1) how_str = "ITIMER_VIRTUAL"
-                if (how==2) how_str = "ITIMER_PROF"
+                which_str = _itimer_which_str($which)
                 /*
                 value_it_interval_tv_sec =  $value->it_interval->tv_sec
                 value_it_interval_tv_usec = $value->it_interval->tv_usec
@@ -783,9 +774,10 @@ probe kernel.syscall.setitimer.return =
                 */
 	}
 # timer_create_____________________________________
-/* asmlinkage long sys_timer_create(clockid_t which_clock,
-				    struct sigevent __user *timer_event_spec,
-				    timer_t __user * created_timer_id) */
+/* asmlinkage long
+   sys_timer_create(clockid_t which_clock,
+		    struct sigevent __user *timer_event_spec,
+		    timer_t __user * created_timer_id) */
 probe kernel.syscall.timer_create = 
 	kernel.function("sys_timer_create") {
 		name = "timer_create"
@@ -803,7 +795,8 @@ probe kernel.syscall.timer_create =
 
                 		struct {
                         		void (*_function)(sigval_t);
-                        		void *_attribute;       // really pthread_attr_t
+                        		void *_attribute;
+					// really pthread_attr_t
                 		} _sigev_thread;
         		} _sigev_un;
 		} sigevent_t;
@@ -828,7 +821,8 @@ probe kernel.syscall.timer_create.return =
 
                                 struct {
                                         void (*_function)(sigval_t);
-                                        void *_attribute;       // really pthread_attr_t
+                                        void *_attribute;
+					// really pthread_attr_t
                                 } _sigev_thread;
                         } _sigev_un;
                 } sigevent_t;
@@ -837,8 +831,9 @@ probe kernel.syscall.timer_create.return =
                 */
 	}
 # timer_gettime____________________________________
-/* asmlinkage long sys_timer_gettime(timer_t timer_id,
-				     struct itimerspec __user *setting) */
+/* asmlinkage long
+   sys_timer_gettime(timer_t timer_id,
+		     struct itimerspec __user *setting) */
 probe kernel.syscall.timer_gettime = 
 	kernel.function("sys_timer_gettime") {
 		name = "timer_gettime"
@@ -850,10 +845,14 @@ probe kernel.syscall.timer_gettime.return =
 		name = "timer_gettime.return"
 		timer_id = $timer_id
 		/*
-		setting_it_interval_tv_sec =  $setting->it_interval->tv_sec
-		setting_it_interval_tv_usec = $setting->it_interval->tv_usec
-                setting_it_value_tv_sec =  $setting->it_value->tv_sec
-                setting_it_value_tv_usec = $setting->it_value->tv_usec
+		setting_it_interval_tv_sec = 
+			$setting->it_interval->tv_sec
+		setting_it_interval_tv_usec = 
+			$setting->it_interval->tv_usec
+                setting_it_value_tv_sec = 
+			$setting->it_value->tv_sec
+                setting_it_value_tv_usec = 
+			$setting->it_value->tv_usec
 		*/
 	}
 # timer_getoverrun_________________________________
@@ -870,17 +869,20 @@ probe kernel.syscall.timer_getoverrun.return =
 		timer_id = $timer_id
 	}
 # timer_settime____________________________________
-/* asmlinkage long sys_timer_settime(timer_t timer_id, int flags,
-                  		     const struct itimerspec __user *new_setting,
-                  		     struct itimerspec __user *old_setting) */
+/* asmlinkage long 
+   sys_timer_settime(timer_t timer_id, int flags,
+                     const struct itimerspec __user *new_setting,
+                     struct itimerspec __user *old_setting) */
 probe kernel.syscall.timer_settime = 
 	kernel.function("sys_timer_settime") {
 		name = "timer_settime"
 		timer_id = $timer_id
 		flags = $flags
 		/*
-                new_setting_it_interval_tv_sec =  $new_setting->it_interval->tv_sec
-                new_setting_it_interval_tv_usec = $new_setting->it_interval->tv_usec
+                new_setting_it_interval_tv_sec = 
+			$new_setting->it_interval->tv_sec
+                new_setting_it_interval_tv_usec = 
+			$new_setting->it_interval->tv_usec
 		*/
 	}
 
@@ -891,10 +893,14 @@ probe kernel.syscall.timer_settime.return =
                 timer_id = $timer_id
                 flags = $flags
                 /*
-                new_setting_it_interval_tv_sec =  $new_setting->it_interval->tv_sec
-                new_setting_it_interval_tv_usec = $new_setting->it_interval->tv_usec
-                old_setting_it_interval_tv_sec =  $old_setting->it_interval->tv_sec
-                old_setting_it_interval_tv_usec = $old_setting->it_interval->tv_usec
+                new_setting_it_interval_tv_sec = 
+			$new_setting->it_interval->tv_sec
+                new_setting_it_interval_tv_usec = 
+			$new_setting->it_interval->tv_usec
+                old_setting_it_interval_tv_sec =  
+			$old_setting->it_interval->tv_sec
+                old_setting_it_interval_tv_usec = 
+			$old_setting->it_interval->tv_usec
                 */
 	}
 # timer_delete_____________________________________
@@ -911,8 +917,9 @@ probe kernel.syscall.timer_delete.return =
 		timer_id = $timer_id
 	}
 # clock_settime____________________________________
-/* asmlinkage long sys_clock_settime(clockid_t which_clock,
-				     const struct timespec __user *tp) */
+/* asmlinkage long
+   sys_clock_settime(clockid_t which_clock,
+		     const struct timespec __user *tp) */
 probe kernel.syscall.clock_settime = 
 	kernel.function("sys_clock_settime") {
 		name = "clock_settime"
@@ -935,8 +942,9 @@ probe kernel.syscall.clock_settime.return =
                 */
 	}
 # clock_gettime____________________________________
-/* asmlinkage long sys_clock_gettime(clockid_t which_clock,
-				     struct timespec __user *tp) */
+/* asmlinkage long
+   sys_clock_gettime(clockid_t which_clock,
+		     struct timespec __user *tp) */
 probe kernel.syscall.clock_gettime = 
 	kernel.function("sys_clock_gettime") {
 		name = "clock_gettime"
@@ -955,8 +963,9 @@ probe kernel.syscall.clock_gettime.return =
                 */
 	}
 # clock_getres_____________________________________
-/* asmlinkage long sys_clock_getres(clockid_t which_clock, 
-				    struct timespec __user *tp) */
+/* asmlinkage long
+   sys_clock_getres(clockid_t which_clock, 
+		    struct timespec __user *tp) */
 probe kernel.syscall.clock_getres = 
 	kernel.function("sys_clock_getres") {
 		name = "clock_getres"
@@ -975,9 +984,11 @@ probe kernel.syscall.clock_getres.return =
                 */
 	}
 # clock_nanosleep__________________________________
-/* asmlinkage long sys_clock_nanosleep(clockid_t which_clock, int flags,
-                    		       const struct timespec __user *rqtp,
-                    		       struct timespec __user *rmtp) */
+/* asmlinkage long
+   sys_clock_nanosleep(clockid_t which_clock,
+				 int flags,
+                    		 const struct timespec __user *rqtp,
+                    		 struct timespec __user *rmtp) */
 probe kernel.syscall.clock_nanosleep = 
 	kernel.function("sys_clock_nanosleep") {
 		name = "clock_nanosleep"
@@ -1019,17 +1030,15 @@ probe kernel.syscall.nice.return =
                 inc = $increment
 	}
 # sched_setscheduler_______________________________
-/* asmlinkage long sys_sched_setscheduler(pid_t pid, int policy,
-					  struct sched_param __user *param) */
+/* asmlinkage long 
+   sys_sched_setscheduler(pid_t pid, int policy,
+			  struct sched_param __user *param) */
 probe kernel.syscall.sched_setscheduler = 
 	kernel.function("do_sched_setscheduler") {
 		name = "sched_setscheduler"
 		pid = $pid
 		policy = $policy
-		policy_str = ""
-		if($policy==0) policy_str = "SCHED_OTHER"
-                if($policy==1) policy_str = "SCHED_FIFO"
-                if($policy==2) policy_str = "SCHED_RR"
+		policy_str = _sched_policy_str($policy)
 		/*
 		p_sched_priority = param->sched_parameter
 		*/
@@ -1040,17 +1049,15 @@ probe kernel.syscall.sched_setscheduler.return =
 		name = "sched_setscheduler.return"
                 pid = $pid
                 policy = $policy
-                policy_str = ""
-                if($policy==0) policy_str = "SCHED_OTHER"
-                if($policy==1) policy_str = "SCHED_FIFO"
-                if($policy==2) policy_str = "SCHED_RR"
+                policy_str = _sched_policy_str($policy)
                 /*
                 p_sched_priority = param->sched_parameter
                 */
 	}
 # sched_setparam___________________________________
-/* asmlinkage long sys_sched_setparam(pid_t pid, 
-				      struct sched_param __user *param) */
+/* asmlinkage long 
+   sys_sched_setparam(pid_t pid, 
+		      struct sched_param __user *param) */
 probe kernel.syscall.sched_setparam = 
 	kernel.function("do_sched_setscheduler") {
 		name = "sched_setparam"
@@ -1082,8 +1089,9 @@ probe kernel.syscall.sched_getscheduler.return =
 		pid = $pid
 	}
 # sched_getparam___________________________________
-/* asmlinkage long sys_sched_getparam(pid_t pid, 
-				      struct sched_param __user *param) */
+/* asmlinkage long 
+   sys_sched_getparam(pid_t pid, 
+		      struct sched_param __user *param) */
 probe kernel.syscall.sched_getparam = 
 	kernel.function("sys_sched_getparam") {
 		name = "sched_getparam"
@@ -1114,8 +1122,9 @@ probe kernel.syscall.sched_setaffinity.return =
 		mask = $new_mask
 	}
 # sched_getaffinity________________________________
-/* asmlinkage long sys_sched_getaffinity(pid_t pid, unsigned int len,
-                                         unsigned long __user *user_mask_ptr) */
+/* asmlinkage long 
+   sys_sched_getaffinity(pid_t pid, unsigned int len,
+                         unsigned long __user *user_mask_ptr) */
 probe kernel.syscall.sched_getaffinity = 
 	kernel.function("sys_sched_getaffinity") {
 		name = "sched_getaffinity"
@@ -1170,8 +1179,9 @@ probe kernel.syscall.sched_get_priority_min.return =
                 policy = $policy
 	}
 # sched_rr_get_interval____________________________
-/* asmlinkage long sys_sched_rr_get_interval(pid_t pid, 
-					     struct timespec __user *interval) */
+/* asmlinkage long 
+   sys_sched_rr_get_interval(pid_t pid, 
+			     struct timespec __user *interval) */
 probe kernel.syscall.sched_rr_get_interval = 
 	kernel.function("sys_sched_rr_get_interval") {
 		name = "sched_rr_get_interval"
@@ -3397,13 +3407,92 @@ probe kernel.syscall.rt_sigaction.return =
 	kernel.function("sys_rt_sigaction").return {
 		name = "rt_sigaction.return"
 	}
-/* AUX_HELPER FUNCTIONS AUX_HELPER FUNCTIONS AUX_HELPER FUNCTIONS */
-_get_wc_str(wc) {
-	if (wc==0) return "CLOCK_REALTIME"
+
+
+/* AUX HELPER FUNCTIONS AUX HELPER FUNCTIONS AUX HELPER FUNCTIONS */
+
+/*
+ These functions construct the bitwise-or'd symbolic string
+ representation of the f param, based on the function arg.
+*/
+
+function __decf(f,mask){ return ((f-mask)>=0) ? (f-mask) : f }
+
+/* `man 2 open` for more information */
+function _sys_open_flag_str(f) {
+   if((f-8192)>=0 && (f=__decf(f,8192))>=0) bs="O_ASYNC|".bs
+   if((f-4096)>=0 && (f=__decf(f,4096))>=0) bs="O_SYNC|".bs
+   if((f-2048)>=0 && (f=__decf(f,2048))>=0) bs="O_NONBLOCK|".bs
+   if((f-1024)>=0 && (f=__decf(f,1024))>=0) bs="O_APPEND|".bs
+   if((f-512)>=0  && (f=__decf(f,512))>=0) bs="O_TRUNC|".bs
+   if((f-256)>=0  && (f=__decf(f,256))>=0) bs="O_NDCTTY|".bs
+   if((f-128)>=0  && (f=__decf(f,128))>=0) bs="O_EXCL|".bs
+   if((f-64)>=0   && (f=__decf(f,64))>=0) bs="O_CREAT|".bs
+   if((f-2)>=0    && (f=__decf(f,2))>=0)
+      return substr("O_RDWR|".bs,0,strlen("O_RDWR|".bs)-1)
+   if((f-1)>=0    && (f=__decf(f,1))>=0)
+      return substr("O_WRONLY|".bs,0,strlen("O_WRONLY|".bs)-1)
+   return substr("O_RDONLY|".bs,0,strlen("O_RDONLY|".bs)-1)
+}
+
+/* `man 2 open` for more information */
+function _sys_open_mode_str(f) {
+   if((f-448)>=0 && (f=__decf(f,448))>=0) bs="S_IRWXU|".bs
+   if((f-256)>=0 && (f=__decf(f,256))>=0) bs="S_IRUSR|".bs
+   if((f-128)>=0 && (f=__decf(f,128))>=0) bs="S_IWUSR|".bs
+   if((f-64)>=0 && (f=__decf(f,64))>=0) bs="S_IXUSR|".bs
+   if((f-56)>=0 && (f=__decf(f,56))>=0) bs="S_IRWXG|".bs
+   if((f-32)>=0 && (f=__decf(f,32))>=0) bs="S_IRGRP|".bs
+   if((f-16)>=0 && (f=__decf(f,16))>=0) bs="S_IWGRP|".bs
+   if((f-8)>=0 && (f=__decf(f,8))>=0) bs="S_IXGRP|".bs
+   if((f-7)>=0 && (f=__decf(f,7))>=0) bs="S_IRWXO|".bs
+   if((f-4)>=0 && (f=__decf(f,4))>=0) bs="S_IROTH|".bs
+   if((f-2)>=0 && (f=__decf(f,2))>=0) bs="S_IWOTH|".bs
+   if((f-1)>=0 && (f=__decf(f,1))>=0) bs="S_IXOTH|".bs
+   return substr(bs,0,strlen(bs)-1)
+}
+/* `man adjtimex` for more information */
+function _sys_adjtimex_mode_str(f) {
+   if((f-32769)>=0 && (f=__decf(f,32769))>=0) bs="ADJ_OFFSET_SINGLESHOT|".bs
+   if((f-16384)>=0 && (f=__decf(f,16384))>=0) bs="ADJ_TICK|".bs
+   if((f-32)>=0 && (f=__decf(f,32))>=0) bs="ADJ_TIMECONST|".bs
+   if((f-16)>=0 && (f=__decf(f,16))>=0) bs="ADJ_STATUS|".bs
+   if((f-8)>=0 && (f=__decf(f,8))>=0) bs="ADJ_ESTERROR|".bs
+   if((f-3)>=0 && (f=__decf(f,3))>=0) bs="ADJ_MAXERROR|".bs
+   if((f-2)>=0 && (f=__decf(f,2))>=0) bs="ADJ_FREQUENCY|".bs
+   if((f-1)>=0 && (f=__decf(f,1))>=0) bs="ADJ_OFFSET|".bs
+   return substr(bs,0,strlen(bs)-1)
+}
+
+function _get_wc_str(wc) {
+        if (wc==0) return "CLOCK_REALTIME"
         if (wc==1) return "CLOCK_MONOTONIC"
         if (wc==2) return "CLOCK_PROCESS_CPUTIME_ID"
         if (wc==3) return "CLOCK_THREAD_CPUTIME_ID"
         if (wc==4) return "CLOCK_REALTIME_HR"
         if (wc==5) return "CLOCK_MONOTONIC_HR"
-	return ""
+        return ""
+}
+
+function _sigprocmask_how_str(how) {
+        if (how==0) return "SIG_BLOCK"
+        if (how==1) return "SIG_UNBLOCK"
+        if (how==2) return "SIG_SETMASK"
+        return ""
+}
+
+function _itimer_which_str(which) {
+        if (which==0) return "ITIMER_REAL"
+        if (which==1) return "ITIMER_VIRTUAL"
+        if (which==2) return "ITIMER_PROF"
+        return ""
 }
+
+function _sched_policy_str(policy) {
+        if (policy==0) return "SCHED_OTHER"
+        if (policy==1) return "SCHED_FIFO"
+        if (policy==2) return "SCHED_RR"
+        return ""
+}
+
+