diff options
Diffstat (limited to 'uts/common/sys/dtrace.h')
| -rw-r--r-- | uts/common/sys/dtrace.h | 91 |
1 files changed, 76 insertions, 15 deletions
diff --git a/uts/common/sys/dtrace.h b/uts/common/sys/dtrace.h index b6e52ec1c4da..c15799a4e4a2 100644 --- a/uts/common/sys/dtrace.h +++ b/uts/common/sys/dtrace.h @@ -20,15 +20,17 @@ */ /* - * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ +/* + * Copyright (c) 2011, Joyent, Inc. All rights reserved. + */ + #ifndef _SYS_DTRACE_H #define _SYS_DTRACE_H -#pragma ident "%Z%%M% %I% %E% SMI" - #ifdef __cplusplus extern "C" { #endif @@ -204,6 +206,7 @@ typedef enum dtrace_probespec { #define DIF_VAR_ARGS 0x0000 /* arguments array */ #define DIF_VAR_REGS 0x0001 /* registers array */ #define DIF_VAR_UREGS 0x0002 /* user registers array */ +#define DIF_VAR_VMREGS 0x0003 /* virtual machine registers array */ #define DIF_VAR_CURTHREAD 0x0100 /* thread pointer */ #define DIF_VAR_TIMESTAMP 0x0101 /* timestamp */ #define DIF_VAR_VTIMESTAMP 0x0102 /* virtual timestamp */ @@ -282,8 +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; @@ -392,6 +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) @@ -457,6 +464,7 @@ typedef struct dtrace_difv { #define DTRACEAGG_STDDEV (DTRACEACT_AGGREGATION + 6) #define DTRACEAGG_QUANTIZE (DTRACEACT_AGGREGATION + 7) #define DTRACEAGG_LQUANTIZE (DTRACEACT_AGGREGATION + 8) +#define DTRACEAGG_LLQUANTIZE (DTRACEACT_AGGREGATION + 9) #define DTRACEACT_ISAGG(x) \ (DTRACEACT_CLASS(x) == DTRACEACT_AGGREGATION) @@ -491,6 +499,31 @@ typedef struct dtrace_difv { (int32_t)(((x) & DTRACE_LQUANTIZE_BASEMASK) >> \ DTRACE_LQUANTIZE_BASESHIFT) +#define DTRACE_LLQUANTIZE_FACTORSHIFT 48 +#define DTRACE_LLQUANTIZE_FACTORMASK ((uint64_t)UINT16_MAX << 48) +#define DTRACE_LLQUANTIZE_LOWSHIFT 32 +#define DTRACE_LLQUANTIZE_LOWMASK ((uint64_t)UINT16_MAX << 32) +#define DTRACE_LLQUANTIZE_HIGHSHIFT 16 +#define DTRACE_LLQUANTIZE_HIGHMASK ((uint64_t)UINT16_MAX << 16) +#define DTRACE_LLQUANTIZE_NSTEPSHIFT 0 +#define DTRACE_LLQUANTIZE_NSTEPMASK UINT16_MAX + +#define DTRACE_LLQUANTIZE_FACTOR(x) \ + (uint16_t)(((x) & DTRACE_LLQUANTIZE_FACTORMASK) >> \ + DTRACE_LLQUANTIZE_FACTORSHIFT) + +#define DTRACE_LLQUANTIZE_LOW(x) \ + (uint16_t)(((x) & DTRACE_LLQUANTIZE_LOWMASK) >> \ + DTRACE_LLQUANTIZE_LOWSHIFT) + +#define DTRACE_LLQUANTIZE_HIGH(x) \ + (uint16_t)(((x) & DTRACE_LLQUANTIZE_HIGHMASK) >> \ + DTRACE_LLQUANTIZE_HIGHSHIFT) + +#define DTRACE_LLQUANTIZE_NSTEP(x) \ + (uint16_t)(((x) & DTRACE_LLQUANTIZE_NSTEPMASK) >> \ + DTRACE_LLQUANTIZE_NSTEPSHIFT) + #define DTRACE_USTACK_NFRAMES(x) (uint32_t)((x) & UINT32_MAX) #define DTRACE_USTACK_STRSIZE(x) (uint32_t)((x) >> 32) #define DTRACE_USTACK_ARG(x, y) \ @@ -664,6 +697,20 @@ typedef struct dof_sec { #define DOF_SECF_LOAD 1 /* section should be loaded */ +#define DOF_SEC_ISLOADABLE(x) \ + (((x) == DOF_SECT_ECBDESC) || ((x) == DOF_SECT_PROBEDESC) || \ + ((x) == DOF_SECT_ACTDESC) || ((x) == DOF_SECT_DIFOHDR) || \ + ((x) == DOF_SECT_DIF) || ((x) == DOF_SECT_STRTAB) || \ + ((x) == DOF_SECT_VARTAB) || ((x) == DOF_SECT_RELTAB) || \ + ((x) == DOF_SECT_TYPTAB) || ((x) == DOF_SECT_URELHDR) || \ + ((x) == DOF_SECT_KRELHDR) || ((x) == DOF_SECT_OPTDESC) || \ + ((x) == DOF_SECT_PROVIDER) || ((x) == DOF_SECT_PROBES) || \ + ((x) == DOF_SECT_PRARGS) || ((x) == DOF_SECT_PROFFS) || \ + ((x) == DOF_SECT_INTTAB) || ((x) == DOF_SECT_XLTAB) || \ + ((x) == DOF_SECT_XLMEMBERS) || ((x) == DOF_SECT_XLIMPORT) || \ + ((x) == DOF_SECT_XLIMPORT) || ((x) == DOF_SECT_XLEXPORT) || \ + ((x) == DOF_SECT_PREXPORT) || ((x) == DOF_SECT_PRENOFFS)) + typedef struct dof_ecbdesc { dof_secidx_t dofe_probes; /* link to DOF_SECT_PROBEDESC */ dof_secidx_t dofe_pred; /* link to DOF_SECT_DIFOHDR */ @@ -1309,7 +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) @@ -1382,7 +1429,7 @@ typedef struct dof_helper { * dtps_provide_module(); see "Arguments and Notes" for dtrace_register(), * below. * - * 1.4 void dtps_enable(void *arg, dtrace_id_t id, void *parg) + * 1.4 int dtps_enable(void *arg, dtrace_id_t id, void *parg) * * 1.4.1 Overview * @@ -1403,7 +1450,8 @@ typedef struct dof_helper { * * 1.4.3 Return value * - * None. + * On success, dtps_enable() should return 0. On failure, -1 should be + * returned. * * 1.4.4 Caller's context * @@ -1557,24 +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 * @@ -1957,7 +2013,7 @@ typedef struct dof_helper { typedef struct dtrace_pops { void (*dtps_provide)(void *arg, const dtrace_probedesc_t *spec); void (*dtps_provide_module)(void *arg, struct modctl *mp); - void (*dtps_enable)(void *arg, dtrace_id_t id, void *parg); + int (*dtps_enable)(void *arg, dtrace_id_t id, void *parg); void (*dtps_disable)(void *arg, dtrace_id_t id, void *parg); void (*dtps_suspend)(void *arg, dtrace_id_t id, void *parg); void (*dtps_resume)(void *arg, dtrace_id_t id, void *parg); @@ -1965,10 +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, |