d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Ensure that all eight syscall arguments are available to dtrace_probe(),

Browse Source 
rather than just the first five. This is done by calling dtrace_probe()
through a function pointer, as in illumos.

MFC after:	3 weeks
This commit is contained in:
Mark Johnston 2014-04-14 00:23:18 +00:00
parent 0626f3e435
commit 38e6967f04
1 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
sys/cddl/dev/systrace/systrace.c
View File

@ -168,6 +168,9 @@ static dtrace_pops_t systrace_pops = {
static struct cdev *systrace_cdev;
static dtrace_provider_id_t systrace_id;
typedef void (*systrace_dtrace_probe_t)(dtrace_id_t, uintptr_t, uintptr_t,
uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
#if !defined(LINUX_SYSTRACE)
/*
* Probe callback function.
@ -180,6 +183,7 @@ static void
systrace_probe(u_int32_t id, int sysnum, struct sysent *sysent, void *params,
int ret)
{
systrace_dtrace_probe_t probe;
int n_args = 0;
u_int64_t uargs[8];
@ -211,7 +215,9 @@ systrace_probe(u_int32_t id, int sysnum, struct sysent *sysent, void *params,
}
/* Process the probe using the converted argments. */
dtrace_probe(id, uargs[0], uargs[1], uargs[2], uargs[3], uargs[4]);
probe = (systrace_dtrace_probe_t)dtrace_probe;
probe(id, uargs[0], uargs[1], uargs[2], uargs[3], uargs[4], uargs[5],
uargs[6], uargs[7]);
}
#endif