xnu-4903.221.2.tar.gz

[apple/xnu.git] / bsd / sys / dtrace_impl.h

diff --git a/bsd/sys/dtrace_impl.h b/bsd/sys/dtrace_impl.h
index 125293dbfb084b652ea16865d9b583fcde782222..f463b49e35e8c8886e75f5cdab9993ab33c870ff 100644 (file)
--- a/bsd/sys/dtrace_impl.h
+++ b/bsd/sys/dtrace_impl.h
@@ -110,6 +110,8 @@ struct dtrace_probe {
        char *dtpr_mod;                         /* probe's module name */
        char *dtpr_func;                        /* probe's function name */
        char *dtpr_name;                        /* probe's name */
+       dtrace_probe_t *dtpr_nextprov;          /* next in provider hash */
+       dtrace_probe_t *dtpr_prevprov;          /* previous in provider hash */
        dtrace_probe_t *dtpr_nextmod;           /* next in module hash */
        dtrace_probe_t *dtpr_prevmod;           /* previous in module hash */
        dtrace_probe_t *dtpr_nextfunc;          /* next in function hash */
@@ -135,18 +137,21 @@ typedef struct dtrace_probekey {
 
 typedef struct dtrace_hashbucket {
        struct dtrace_hashbucket *dthb_next;    /* next on hash chain */
-       dtrace_probe_t *dthb_chain;             /* chain of probes */
+       void *dthb_chain;                       /* chain of elements */
        int dthb_len;                           /* number of probes here */
 } dtrace_hashbucket_t;
 
+typedef const char* dtrace_strkey_f(void*, uintptr_t);
+
 typedef struct dtrace_hash {
-       dtrace_hashbucket_t **dth_tab;          /* hash table */
-       int dth_size;                           /* size of hash table */
-       int dth_mask;                           /* mask to index into table */
-       int dth_nbuckets;                       /* total number of buckets */
-       uintptr_t dth_nextoffs;                 /* offset of next in probe */
-       uintptr_t dth_prevoffs;                 /* offset of prev in probe */
-       uintptr_t dth_stroffs;                  /* offset of str in probe */
+       dtrace_hashbucket_t **dth_tab;  /* hash table */
+       int dth_size;                   /* size of hash table */
+       int dth_mask;                   /* mask to index into table */
+       int dth_nbuckets;               /* total number of buckets */
+       uintptr_t dth_nextoffs;         /* offset of next in element */
+       uintptr_t dth_prevoffs;         /* offset of prev in element */
+       dtrace_strkey_f *dth_getstr;    /* func to retrieve str in element */
+       uintptr_t dth_stroffs;          /* offset of str in element */
 } dtrace_hash_t;
 
 /*
@@ -1310,6 +1315,16 @@ typedef struct dtrace_errhash {
 
 #endif /* DTRACE_ERRDEBUG */
 
+
+typedef struct dtrace_string dtrace_string_t;
+
+typedef struct dtrace_string {
+       dtrace_string_t *dtst_next;
+       dtrace_string_t *dtst_prev;
+       uint32_t dtst_refcount;
+       char dtst_str[];
+} dtrace_string_t;
+
 /**
  * DTrace Matching pre-conditions
  *
@@ -1374,6 +1389,8 @@ extern int dtrace_attached(void);
 extern hrtime_t dtrace_gethrestime(void);
 extern void dtrace_isa_init(void);
 
+extern void dtrace_flush_caches(void);
+
 extern void dtrace_copy(uintptr_t, uintptr_t, size_t);
 extern void dtrace_copystr(uintptr_t, uintptr_t, size_t, volatile uint16_t *);