diff options
Diffstat (limited to 'usr/src/uts/common/sys/dtrace.h')
| -rw-r--r-- | usr/src/uts/common/sys/dtrace.h | 35 |
1 files changed, 26 insertions, 9 deletions
diff --git a/usr/src/uts/common/sys/dtrace.h b/usr/src/uts/common/sys/dtrace.h index 834cfd6d55..c15799a4e4 100644 --- a/usr/src/uts/common/sys/dtrace.h +++ b/usr/src/uts/common/sys/dtrace.h @@ -285,8 +285,10 @@ typedef enum dtrace_probespec { #define DIF_SUBR_INET_NTOP 41 #define DIF_SUBR_INET_NTOA 42 #define DIF_SUBR_INET_NTOA6 43 +#define DIF_SUBR_TOUPPER 44 +#define DIF_SUBR_TOLOWER 45 -#define DIF_SUBR_MAX 43 /* max subroutine value */ +#define DIF_SUBR_MAX 45 /* max subroutine value */ typedef uint32_t dif_instr_t; @@ -395,6 +397,8 @@ typedef struct dtrace_difv { #define DTRACEACT_PRINTF 3 /* printf() action */ #define DTRACEACT_PRINTA 4 /* printa() action */ #define DTRACEACT_LIBACT 5 /* library-controlled action */ +#define DTRACEACT_TRACEMEM 6 /* tracemem() action */ +#define DTRACEACT_TRACEMEM_DYNSIZE 7 /* dynamic tracemem() size */ #define DTRACEACT_PROC 0x0100 #define DTRACEACT_USTACK (DTRACEACT_PROC + 1) @@ -1352,7 +1356,7 @@ typedef struct dof_helper { * dtps_resume() <-- Resume specified probe * dtps_getargdesc() <-- Get the argument description for args[X] * dtps_getargval() <-- Get the value for an argX or args[X] variable - * dtps_usermode() <-- Find out if the probe was fired in user mode + * dtps_mode() <-- Return the mode of the fired probe * dtps_destroy() <-- Destroy all state associated with this probe * * 1.2 void dtps_provide(void *arg, const dtrace_probedesc_t *spec) @@ -1601,24 +1605,32 @@ typedef struct dof_helper { * This is called from within dtrace_probe() meaning that interrupts * are disabled. No locks should be taken within this entry point. * - * 1.10 int dtps_usermode(void *arg, dtrace_id_t id, void *parg) + * 1.10 int dtps_mode(void *arg, dtrace_id_t id, void *parg) * * 1.10.1 Overview * - * Called to determine if the probe was fired in a user context. + * Called to determine the mode of a fired probe. * * 1.10.2 Arguments and notes * * The first argument is the cookie as passed to dtrace_register(). The - * second argument is the identifier of the current probe. The third + * second argument is the identifier of the current probe. The third * argument is the probe argument as passed to dtrace_probe_create(). This * entry point must not be left NULL for providers whose probes allow for - * mixed mode tracing, that is to say those probes that can fire during - * kernel- _or_ user-mode execution + * mixed mode tracing, that is to say those unanchored probes that can fire + * during kernel- or user-mode execution. * * 1.10.3 Return value * - * A boolean value. + * A bitwise OR that encapsulates both the mode (either DTRACE_MODE_KERNEL + * or DTRACE_MODE_USER) and the policy when the privilege of the enabling + * is insufficient for that mode (either DTRACE_MODE_NOPRIV_DROP or + * DTRACE_MODE_NOPRIV_RESTRICT). If the policy is DTRACE_MODE_NOPRIV_DROP, + * insufficient privilege will result in the probe firing being silently + * ignored for the enabling; if the policy is DTRACE_NODE_NOPRIV_RESTRICT, + * insufficient privilege will not prevent probe processing for the + * enabling, but restrictions will be in place that induce a UPRIV fault + * upon attempt to examine probe arguments or current process state. * * 1.10.4 Caller's context * @@ -2009,10 +2021,15 @@ typedef struct dtrace_pops { dtrace_argdesc_t *desc); uint64_t (*dtps_getargval)(void *arg, dtrace_id_t id, void *parg, int argno, int aframes); - int (*dtps_usermode)(void *arg, dtrace_id_t id, void *parg); + int (*dtps_mode)(void *arg, dtrace_id_t id, void *parg); void (*dtps_destroy)(void *arg, dtrace_id_t id, void *parg); } dtrace_pops_t; +#define DTRACE_MODE_KERNEL 0x01 +#define DTRACE_MODE_USER 0x02 +#define DTRACE_MODE_NOPRIV_DROP 0x10 +#define DTRACE_MODE_NOPRIV_RESTRICT 0x20 + typedef uintptr_t dtrace_provider_id_t; extern int dtrace_register(const char *, const dtrace_pattr_t *, uint32_t, |