xnu-7195.101.1.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..e1ab6a060d7406ca7d5b6cfe907644c83e2d933c 100644 (file)
--- a/bsd/sys/dtrace_impl.h
+++ b/bsd/sys/dtrace_impl.h
@@ -30,8 +30,6 @@
 #ifndef _SYS_DTRACE_IMPL_H
 #define        _SYS_DTRACE_IMPL_H
 
-/* #pragma ident       "@(#)dtrace_impl.h      1.23    07/02/16 SMI" */
-
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -52,6 +50,8 @@ extern "C" {
 /*
  * DTrace Implementation Locks
  */
+extern lck_attr_t dtrace_lck_attr;
+extern lck_grp_t dtrace_lck_grp;
 extern lck_mtx_t dtrace_procwaitfor_lock;
 
 /*
@@ -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;
 
 /*
@@ -912,6 +917,7 @@ typedef struct dtrace_vstate {
 #define        DTRACE_MSTATE_USTACKDEPTH       0x00000200
 #define        DTRACE_MSTATE_UCALLER           0x00000400
 #define        DTRACE_MSTATE_MACHTIMESTAMP     0x00000800
+#define        DTRACE_MSTATE_MACHCTIMESTAMP    0x00001000
 
 typedef struct dtrace_mstate {
        uintptr_t dtms_scratch_base;            /* base of scratch space */
@@ -923,6 +929,7 @@ typedef struct dtrace_mstate {
        uint64_t dtms_timestamp;                /* cached timestamp */
        hrtime_t dtms_walltimestamp;            /* cached wall timestamp */
        uint64_t dtms_machtimestamp;            /* cached mach absolute timestamp */
+       uint64_t dtms_machctimestamp;           /* cached mach continuous timestamp */
        int dtms_stackdepth;                    /* cached stackdepth */
        int dtms_ustackdepth;                   /* cached ustackdepth */
        struct dtrace_probe *dtms_probe;        /* current probe */
@@ -1182,6 +1189,13 @@ typedef struct dtrace_cred {
        uint16_t                dcr_action;
 } dtrace_cred_t;
 
+typedef struct dtrace_format {
+       uint64_t dtf_refcount;
+       char dtf_str[];
+} dtrace_format_t;
+
+#define DTRACE_FORMAT_SIZE(fmt) (strlen(fmt->dtf_str) + 1 + sizeof(dtrace_format_t))
+
 /*
  * DTrace Consumer State
  *
@@ -1221,12 +1235,13 @@ struct dtrace_state {
        char dts_speculates;                    /* boolean: has speculations */
        char dts_destructive;                   /* boolean: has dest. actions */
        int dts_nformats;                       /* number of formats */
-       char **dts_formats;                     /* format string array */
+       dtrace_format_t **dts_formats;          /* format string array */
        dtrace_optval_t dts_options[DTRACEOPT_MAX]; /* options */
        dtrace_cred_t dts_cred;                 /* credentials */
        size_t dts_nretained;                   /* number of retained enabs */
        uint64_t dts_arg_error_illval;
        uint32_t dts_buf_over_limit;            /* number of bufs over dtb_limit */
+       uint64_t **dts_rstate;                  /* per-CPU random state */
 };
 
 struct dtrace_provider {
@@ -1310,6 +1325,15 @@ 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
  *
@@ -1357,6 +1381,7 @@ extern uint64_t dtrace_load64(uintptr_t);
 extern int dtrace_canload(uint64_t, size_t, dtrace_mstate_t*, dtrace_vstate_t*);
 
 extern uint64_t dtrace_getreg(struct regs *, uint_t);
+extern uint64_t dtrace_getvmreg(uint_t);
 extern int dtrace_getstackdepth(int);
 extern void dtrace_getupcstack(uint64_t *, int);
 extern void dtrace_getufpstack(uint64_t *, uint64_t *, int);
@@ -1372,11 +1397,18 @@ extern void dtrace_probe_error(dtrace_state_t *, dtrace_epid_t, int, int,
 extern int dtrace_assfail(const char *, const char *, int);
 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 *);
 
+extern void* dtrace_ptrauth_strip(void*, uint64_t);
+extern int dtrace_is_valid_ptrauth_key(uint64_t);
+
+extern uint64_t dtrace_physmem_read(uint64_t, size_t);
+extern void dtrace_physmem_write(uint64_t, uint64_t, size_t);
+
 /*
  * DTrace state handling
  */