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/* -*- linux-c -*- */
/** Create a new map.
* Maps must be created at module initialization time.
* @param max_entries The maximum number of entries allowed. Currently that
* will be allocated dynamically.
* @param type Type of values stored in this map.
* @return A MAP on success or NULL on failure.
*/
static unsigned long (*_stp_lookup_name)(char *name)=(void *)KALLSYMS_LOOKUP_NAME;
void _stp_unregister_jprobes (struct jprobe *probes, int num_probes)
{
int i;
for (i = 0; i < num_probes; i++)
unregister_jprobe(&probes[i]);
dlog ("All jprobes removed\n");
}
int _stp_register_jprobes (struct jprobe *probes, int num_probes)
{
int i, ret ;
unsigned long addr;
for (i = 0; i < num_probes; i++) {
addr =_stp_lookup_name((char *)probes[i].kp.addr);
if (addr == 0) {
dlog ("ERROR: function %s not found!\n",
(char *)probes[i].kp.addr);
ret = -1; /* FIXME */
goto out;
}
dlog("inserting jprobe at %s (%p)\n", probes[i].kp.addr, addr);
probes[i].kp.addr = (kprobe_opcode_t *)addr;
ret = register_jprobe(&probes[i]);
if (ret)
goto out;
}
return 0;
out:
dlog ("probe module initialization failed. Exiting...\n");
_stp_unregister_jprobes(probes, i);
return ret;
}
void _stp_unregister_kprobes (struct kprobe *probes, int num_probes)
{
int i;
for (i = 0; i < num_probes; i++)
unregister_kprobe(&probes[i]);
dlog ("All kprobes removed\n");
}
int _stp_register_kprobes (struct kprobe *probes, int num_probes)
{
int i, ret ;
unsigned long addr;
for (i = 0; i < num_probes; i++) {
addr =_stp_lookup_name((char *)probes[i].addr);
if (addr == 0) {
dlog ("ERROR: function %s not found!\n",
(char *)probes[i].addr);
ret = -1; /* FIXME */
goto out;
}
dlog("inserting kprobe at %s (%p)\n", probes[i].addr, addr);
probes[i].addr = (kprobe_opcode_t *)addr;
ret = register_kprobe(&probes[i]);
if (ret)
goto out;
}
return 0;
out:
dlog ("probe module initialization failed. Exiting...\n");
_stp_unregister_kprobes(probes, i);
return ret;
}
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