#define uint_t __Solaris_uint_t
#include <sys/dtrace.h>
#include <dtrace.h>
#include <dt_proc.h>
#include <dt_pid.h>
typedef struct dt_pid_probe {
dtrace_hdl_t *dpp_dtp;
dt_pcb_t *dpp_pcb;
dt_proc_t *dpp_dpr;
struct ps_prochandle *dpp_pr;
fasttrap_provider_type_t dpp_provider_type;
const char *dpp_mod;
char *dpp_func;
const char *dpp_name;
const char *dpp_obj;
uintptr_t dpp_pc;
size_t dpp_size;
Lmid_t dpp_lmid;
uint_t dpp_nmatches;
uint64_t dpp_stret[4];
GElf_Sym dpp_last;
uint_t dpp_last_taken;
} dt_pid_probe_t;
int strisglob(const char *s);
void dt_proc_bpdisable(dt_proc_t *dpr);
void dt_proc_bpenable(dt_proc_t *dpr);
int dt_pid_per_sym(dt_pid_probe_t *pp, const GElf_Sym *symp, const char *func);
int dt_pid_error(dtrace_hdl_t *dtp, dt_pcb_t *pcb, dt_proc_t *dpr, fasttrap_probe_spec_t *ftp, dt_errtag_t tag, const char *fmt, ...);
static int dt_pid_objc_filt(void *arg, const GElf_Sym *sym, const char *class_name, const char *method_name)
{
dt_pid_probe_t *pp = arg;
if ((strisglob(pp->dpp_mod) && gmatch(class_name, pp->dpp_mod)) || (strcmp(class_name, pp->dpp_mod) == 0)) {
if ((strisglob(pp->dpp_func) && gmatch(method_name, pp->dpp_func)) || (strcmp(method_name, pp->dpp_func) == 0)) {
pp->dpp_obj = class_name;
return dt_pid_per_sym(pp, sym, method_name);
}
}
return (0);
}
int dt_pid_create_objc_probes(dtrace_probedesc_t *pdp, dtrace_hdl_t *dtp,
dt_pcb_t *pcb, dt_proc_t *dpr, dt_pr_t reason)
{
dt_pid_probe_t pp;
int ret = 0;
dt_proc_bpdisable(dpr);
pp.dpp_dtp = dtp;
pp.dpp_dpr = dpr;
pp.dpp_pr = dpr->dpr_proc;
pp.dpp_pcb = pcb;
prmap_t thread_local_map;
if (Pname_to_map(pp.dpp_pr, PR_OBJ_LDSO, &thread_local_map) == NULL) {
return (dt_pid_error(dtp, pcb, dpr, NULL, D_PROC_DYN,
"process %s has no dyld, and cannot be instrumented",
&pdp->dtpd_provider[3]));
}
pp.dpp_provider_type = DTFTP_PROVIDER_OBJC;
pp.dpp_mod = pdp->dtpd_mod[0] != '\0' ? pdp->dtpd_mod : "*";
pp.dpp_func = pdp->dtpd_func[0] != '\0' ? pdp->dtpd_func : "*";
pp.dpp_name = pdp->dtpd_name[0] != '\0' ? pdp->dtpd_name : "*";
pp.dpp_last_taken = 0;
pp.dpp_lmid = LM_ID_BASE;
pp.dpp_stret[0] = 0;
pp.dpp_stret[1] = 0;
pp.dpp_stret[2] = 0;
pp.dpp_stret[3] = 0;
ret = dt_libproc_funcs[reason].objc_method_iter(pp.dpp_pr,
(proc_objc_f*)dt_pid_objc_filt, &pp);
dt_proc_bpenable(dpr);
return (ret);
}