/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2010 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright (c) 2013, Joyent, Inc. All rights reserved.
* Copyright (c) 2012 by Delphix. All rights reserved.
*/
#ifndef _DT_IMPL_H
#define _DT_IMPL_H
#include <sys/param.h>
#include <sys/objfs.h>
#ifndef illumos
#include <sys/bitmap.h>
#include <sys/utsname.h>
#include <sys/ioccom.h>
#include <sys/time.h>
#include <string.h>
#endif
#include <setjmp.h>
#include <libctf.h>
#include <dtrace.h>
#include <gelf.h>
#ifdef illumos
#include <synch.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
#include <dt_parser.h>
#include <dt_regset.h>
#include <dt_inttab.h>
#include <dt_strtab.h>
#include <dt_ident.h>
#include <dt_list.h>
#include <dt_decl.h>
#include <dt_as.h>
#include <dt_proc.h>
#include <dt_dof.h>
#include <dt_pcb.h>
#include <dt_pq.h>
struct dt_module; /* see below */
struct dt_pfdict; /* see <dt_printf.h> */
struct dt_arg; /* see below */
struct dt_provider; /* see <dt_provider.h> */
struct dt_xlator; /* see <dt_xlator.h> */
typedef struct dt_intrinsic {
const char *din_name; /* string name of the intrinsic type */
ctf_encoding_t din_data; /* integer or floating-point CTF encoding */
uint_t din_kind; /* CTF type kind to instantiate */
} dt_intrinsic_t;
typedef struct dt_typedef {
const char *dty_src; /* string name of typedef source type */
const char *dty_dst; /* string name of typedef destination type */
} dt_typedef_t;
typedef struct dt_intdesc {
const char *did_name; /* string name of the integer type */
ctf_file_t *did_ctfp; /* CTF container for this type reference */
ctf_id_t did_type; /* CTF type reference for this type */
uintmax_t did_limit; /* maximum positive value held by type */
} dt_intdesc_t;
typedef struct dt_modops {
uint_t (*do_syminit)(struct dt_module *);
void (*do_symsort)(struct dt_module *);
GElf_Sym *(*do_symname)(struct dt_module *,
const char *, GElf_Sym *, uint_t *);
GElf_Sym *(*do_symaddr)(struct dt_module *,
GElf_Addr, GElf_Sym *, uint_t *);
} dt_modops_t;
typedef struct dt_arg {
int da_ndx; /* index of this argument */
int da_mapping; /* mapping of argument indices to arguments */
ctf_id_t da_type; /* type of argument */
ctf_file_t *da_ctfp; /* CTF container for type */
dt_ident_t *da_xlator; /* translator, if any */
struct dt_arg *da_next; /* next argument */
} dt_arg_t;
typedef struct dt_sym {
uint_t ds_symid; /* id of corresponding symbol */
uint_t ds_next; /* index of next element in hash chain */
} dt_sym_t;
typedef struct dt_module {
dt_list_t dm_list; /* list forward/back pointers */
char dm_name[DTRACE_MODNAMELEN]; /* string name of module */
char dm_file[MAXPATHLEN]; /* file path of module (if any) */
struct dt_module *dm_next; /* pointer to next module in hash chain */
const dt_modops_t *dm_ops; /* pointer to data model's ops vector */
Elf *dm_elf; /* libelf handle for module object */
objfs_info_t dm_info; /* object filesystem private info */
ctf_sect_t dm_symtab; /* symbol table for module */
ctf_sect_t dm_strtab; /* string table for module */
ctf_sect_t dm_ctdata; /* CTF data for module */
ctf_file_t *dm_ctfp; /* CTF container handle */
uint_t *dm_symbuckets; /* symbol table hash buckets (chain indices) */
dt_sym_t *dm_symchains; /* symbol table hash chains buffer */
void *dm_asmap; /* symbol pointers sorted by value */
uint_t dm_symfree; /* index of next free hash element */
uint_t dm_nsymbuckets; /* number of elements in bucket array */
uint_t dm_nsymelems; /* number of elements in hash table */
uint_t dm_asrsv; /* actual reserved size of dm_asmap */
uint_t dm_aslen; /* number of entries in dm_asmap */
uint_t dm_flags; /* module flags (see below) */
int dm_modid; /* modinfo(1M) module identifier */
GElf_Addr dm_text_va; /* virtual address of text section */
GElf_Xword dm_text_size; /* size in bytes of text section */
GElf_Addr dm_data_va; /* virtual address of data section */
GElf_Xword dm_data_size; /* size in bytes of data section */
GElf_Addr dm_bss_va; /* virtual address of BSS */
GElf_Xword dm_bss_size; /* size in bytes of BSS */
dt_idhash_t *dm_extern; /* external symbol definitions */
#ifndef illumos
caddr_t dm_reloc_offset; /* Symbol relocation offset. */
uintptr_t *dm_sec_offsets;
#endif
pid_t dm_pid; /* pid for this module */
uint_t dm_nctflibs; /* number of ctf children libraries */
ctf_file_t **dm_libctfp; /* process library ctf pointers */
char **dm_libctfn; /* names of process ctf containers */
} dt_module_t;
#define DT_DM_LOADED 0x1 /* module symbol and type data is loaded */
#define DT_DM_KERNEL 0x2 /* module is associated with a kernel object */
#define DT_DM_PRIMARY 0x4 /* module is a krtld primary kernel object */
typedef struct dt_provmod {
char *dp_name; /* name of provider module */
struct dt_provmod *dp_next; /* next module */
} dt_provmod_t;
typedef struct dt_ahashent {
struct dt_ahashent *dtahe_prev; /* prev on hash chain */
struct dt_ahashent *dtahe_next; /* next on hash chain */
struct dt_ahashent *dtahe_prevall; /* prev on list of all */
struct dt_ahashent *dtahe_nextall; /* next on list of all */
uint64_t dtahe_hashval; /* hash value */
size_t dtahe_size; /* size of data */
dtrace_aggdata_t dtahe_data; /* data */
void (*dtahe_aggregate)(int64_t *, int64_t *, size_t); /* function */
} dt_ahashent_t;
typedef struct dt_ahash {
dt_ahashent_t **dtah_hash; /* hash table */
dt_ahashent_t *dtah_all; /* list of all elements */
size_t dtah_size; /* size of hash table */
} dt_ahash_t;
typedef struct dt_aggregate {
dtrace_bufdesc_t dtat_buf; /* buf aggregation snapshot */
int dtat_flags; /* aggregate flags */
processorid_t dtat_ncpus; /* number of CPUs in aggregate */
processorid_t *dtat_cpus; /* CPUs in aggregate */
processorid_t dtat_ncpu; /* size of dtat_cpus array */
processorid_t dtat_maxcpu; /* maximum number of CPUs */
dt_ahash_t dtat_hash; /* aggregate hash table */
} dt_aggregate_t;
typedef struct dt_print_aggdata {
dtrace_hdl_t *dtpa_dtp; /* pointer to libdtrace handle */
dtrace_aggvarid_t dtpa_id; /* aggregation variable of interest */
FILE *dtpa_fp; /* file pointer */
int dtpa_allunprint; /* print only unprinted aggregations */
int dtpa_agghist; /* print aggregation as histogram */
int dtpa_agghisthdr; /* aggregation histogram hdr printed */
int dtpa_aggpack; /* pack quantized aggregations */
} dt_print_aggdata_t;
typedef struct dt_dirpath {
dt_list_t dir_list; /* linked-list forward/back pointers */
char *dir_path; /* directory pathname */
} dt_dirpath_t;
typedef struct dt_lib_depend {
dt_list_t dtld_deplist; /* linked-list forward/back pointers */
char *dtld_library; /* library name */
char *dtld_libpath; /* library pathname */
uint_t dtld_finish; /* completion time in tsort for lib */
uint_t dtld_start; /* starting time in tsort for lib */
uint_t dtld_loaded; /* boolean: is this library loaded */
dt_list_t dtld_dependencies; /* linked-list of lib dependencies */
dt_list_t dtld_dependents; /* linked-list of lib dependents */
} dt_lib_depend_t;
typedef uint32_t dt_version_t; /* encoded version (see below) */
struct dtrace_hdl {
const dtrace_vector_t *dt_vector; /* library vector, if vectored open */
void *dt_varg; /* vector argument, if vectored open */
dtrace_conf_t dt_conf; /* DTrace driver configuration profile */
char dt_errmsg[BUFSIZ]; /* buffer for formatted syntax error msgs */
const char *dt_errtag; /* tag used with last call to dt_set_errmsg() */
dt_pcb_t *dt_pcb; /* pointer to current parsing control block */
ulong_t dt_gen; /* compiler generation number */
dt_list_t dt_programs; /* linked list of dtrace_prog_t's */
dt_list_t dt_xlators; /* linked list of dt_xlator_t's */
struct dt_xlator **dt_xlatormap; /* dt_xlator_t's indexed by dx_id */
id_t dt_xlatorid; /* next dt_xlator_t id to assign */
dt_ident_t *dt_externs; /* linked list of external symbol identifiers */
dt_idhash_t *dt_macros; /* hash table of macro variable identifiers */
dt_idhash_t *dt_aggs; /* hash table of aggregation identifiers */
dt_idhash_t *dt_globals; /* hash table of global identifiers */
dt_idhash_t *dt_tls; /* hash table of thread-local identifiers */
dt_list_t dt_modlist; /* linked list of dt_module_t's */
dt_module_t **dt_mods; /* hash table of dt_module_t's */
uint_t dt_modbuckets; /* number of module hash buckets */
uint_t dt_nmods; /* number of modules in hash and list */
dt_provmod_t *dt_provmod; /* linked list of provider modules */
dt_module_t *dt_exec; /* pointer to executable module */
dt_module_t *dt_rtld; /* pointer to run-time linker module */
dt_module_t *dt_cdefs; /* pointer to C dynamic type module */
dt_module_t *dt_ddefs; /* pointer to D dynamic type module */
dt_list_t dt_provlist; /* linked list of dt_provider_t's */
struct dt_provider **dt_provs; /* hash table of dt_provider_t's */
uint_t dt_provbuckets; /* number of provider hash buckets */
uint_t dt_nprovs; /* number of providers in hash and list */
dt_proc_hash_t *dt_procs; /* hash table of grabbed process handles */
char **dt_proc_env; /* additional environment variables */
dt_intdesc_t dt_ints[6]; /* cached integer type descriptions */
ctf_id_t dt_type_func; /* cached CTF identifier for function type */
ctf_id_t dt_type_fptr; /* cached CTF identifier for function pointer */
ctf_id_t dt_type_str; /* cached CTF identifier for string type */
ctf_id_t dt_type_dyn; /* cached CTF identifier for <DYN> type */
ctf_id_t dt_type_stack; /* cached CTF identifier for stack type */
ctf_id_t dt_type_symaddr; /* cached CTF identifier for _symaddr type */
ctf_id_t dt_type_usymaddr; /* cached CTF ident. for _usymaddr type */
size_t dt_maxprobe; /* max enabled probe ID */
dtrace_eprobedesc_t **dt_edesc; /* enabled probe descriptions */
dtrace_probedesc_t **dt_pdesc; /* probe descriptions for enabled prbs */
size_t dt_maxagg; /* max aggregation ID */
dtrace_aggdesc_t **dt_aggdesc; /* aggregation descriptions */
int dt_maxformat; /* max format ID */
void **dt_formats; /* pointer to format array */
int dt_maxstrdata; /* max strdata ID */
char **dt_strdata; /* pointer to strdata array */
dt_aggregate_t dt_aggregate; /* aggregate */
dt_pq_t *dt_bufq; /* CPU-specific data queue */
struct dt_pfdict *dt_pfdict; /* dictionary of printf conversions */
dt_version_t dt_vmax; /* optional ceiling on program API binding */
dtrace_attribute_t dt_amin; /* optional floor on program attributes */
char *dt_cpp_path; /* pathname of cpp(1) to invoke if needed */
char **dt_cpp_argv; /* argument vector for exec'ing cpp(1) */
int dt_cpp_argc; /* count of initialized cpp(1) arguments */
int dt_cpp_args; /* size of dt_cpp_argv[] array */
char *dt_ld_path; /* pathname of ld(1) to invoke if needed */
dt_list_t dt_lib_path; /* linked-list forming library search path */
uint_t dt_lazyload; /* boolean: set via -xlazyload */
uint_t dt_droptags; /* boolean: set via -xdroptags */
uint_t dt_active; /* boolean: set once tracing is active */
uint_t dt_stopped; /* boolean: set once tracing is stopped */
processorid_t dt_beganon; /* CPU that executed BEGIN probe (if any) */
processorid_t dt_endedon; /* CPU that executed END probe (if any) */
uint_t dt_oflags; /* dtrace open-time options (see dtrace.h) */
uint_t dt_cflags; /* dtrace compile-time options (see dtrace.h) */
uint_t dt_dflags; /* dtrace link-time options (see dtrace.h) */
uint_t dt_prcmode; /* dtrace process create mode (see dt_proc.h) */
uint_t dt_linkmode; /* dtrace symbol linking mode (see below) */
uint_t dt_linktype; /* dtrace link output file type (see below) */
uint_t dt_xlatemode; /* dtrace translator linking mode (see below) */
uint_t dt_stdcmode; /* dtrace stdc compatibility mode (see below) */
uint_t dt_encoding; /* dtrace output encoding (see below) */
uint_t dt_treedump; /* dtrace tree debug bitmap (see below) */
uint64_t dt_options[DTRACEOPT_MAX]; /* dtrace run-time options */
int dt_version; /* library version requested by client */
int dt_ctferr; /* error resulting from last CTF failure */
int dt_errno; /* error resulting from last failed operation */
#ifndef illumos
const char *dt_errfile;
int dt_errline;
#endif
int dt_fd; /* file descriptor for dtrace pseudo-device */
int dt_ftfd; /* file descriptor for fasttrap pseudo-device */
int dt_fterr; /* saved errno from failed open of dt_ftfd */
int dt_cdefs_fd; /* file descriptor for C CTF debugging cache */
int dt_ddefs_fd; /* file descriptor for D CTF debugging cache */
#ifdef illumos
int dt_stdout_fd; /* file descriptor for saved stdout */
#else
FILE *dt_freopen_fp; /* file pointer for freopened stdout */
#endif
dtrace_handle_err_f *dt_errhdlr; /* error handler, if any */
void *dt_errarg; /* error handler argument */
dtrace_prog_t *dt_errprog; /* error handler program, if any */
dtrace_handle_drop_f *dt_drophdlr; /* drop handler, if any */
void *dt_droparg; /* drop handler argument */
dtrace_handle_proc_f *dt_prochdlr; /* proc handler, if any */
void *dt_procarg; /* proc handler argument */
dtrace_handle_setopt_f *dt_setopthdlr; /* setopt handler, if any */
void *dt_setoptarg; /* setopt handler argument */
dtrace_status_t dt_status[2]; /* status cache */
int dt_statusgen; /* current status generation */
hrtime_t dt_laststatus; /* last status */
hrtime_t dt_lastswitch; /* last switch of buffer data */
hrtime_t dt_lastagg; /* last snapshot of aggregation data */
char *dt_sprintf_buf; /* buffer for dtrace_sprintf() */
int dt_sprintf_buflen; /* length of dtrace_sprintf() buffer */
const char *dt_filetag; /* default filetag for dt_set_errmsg() */
char *dt_buffered_buf; /* buffer for buffered output */
size_t dt_buffered_offs; /* current offset into buffered buffer */
size_t dt_buffered_size; /* size of buffered buffer */
dtrace_handle_buffered_f *dt_bufhdlr; /* buffered handler, if any */
void *dt_bufarg; /* buffered handler argument */
dt_dof_t dt_dof; /* DOF generation buffers (see dt_dof.c) */
struct utsname dt_uts; /* uname(2) information for system */
dt_list_t dt_lib_dep; /* scratch linked-list of lib dependencies */
dt_list_t dt_lib_dep_sorted; /* dependency sorted library list */
dtrace_flowkind_t dt_flow; /* flow kind */
const char *dt_prefix; /* recommended flow prefix */
int dt_indent; /* recommended flow indent */
dtrace_epid_t dt_last_epid; /* most recently consumed EPID */
uint64_t dt_last_timestamp; /* most recently consumed timestamp */
};
/*
* Values for the user arg of the ECB.
*/
#define DT_ECB_DEFAULT 0
#define DT_ECB_ERROR 1
/*
* Values for the dt_linkmode property, which is used by the assembler when
* processing external symbol references. User can set using -xlink=<mode>.
*/
#define DT_LINK_KERNEL 0 /* kernel syms static, user syms dynamic */
#define DT_LINK_PRIMARY 1 /* primary kernel syms static, others dynamic */
#define DT_LINK_DYNAMIC 2 /* all symbols dynamic */
#define DT_LINK_STATIC 3 /* all symbols static */
/*
* Values for the dt_linktype property, which is used by dtrace_program_link()
* to determine the type of output file that is desired by the client.
*/
#define DT_LTYP_ELF 0 /* produce ELF containing DOF */
#define DT_LTYP_DOF 1 /* produce stand-alone DOF */
/*
* Values for the dt_xlatemode property, which is used to determine whether
* references to dynamic translators are permitted. Set using -xlate=<mode>.
*/
#define DT_XL_STATIC 0 /* require xlators to be statically defined */
#define DT_XL_DYNAMIC 1 /* produce references to dynamic translators */
/*
* Values for the dt_stdcmode property, which is used by the compiler when
* running cpp to determine the presence and setting of the __STDC__ macro.
*/
#define DT_STDC_XA 0 /* ISO C + K&R C compat w/o ISO: __STDC__=0 */
#define DT_STDC_XC 1 /* Strict ISO C: __STDC__=1 */
#define DT_STDC_XS 2 /* K&R C: __STDC__ not defined */
#define DT_STDC_XT 3 /* ISO C + K&R C compat with ISO: __STDC__=0 */
/*
* Values for the dt_encoding property, which is used to force a particular
* character encoding (overriding default behavior and/or automatic detection).
*/
#define DT_ENCODING_UNSET 0
#define DT_ENCODING_ASCII 1
#define DT_ENCODING_UTF8 2
/*
* Macro to test whether a given pass bit is set in the dt_treedump bit-vector.
* If the bit for pass 'p' is set, the D compiler displays the parse tree for
* the program by printing it to stderr at the end of compiler pass 'p'.
*/
#define DT_TREEDUMP_PASS(dtp, p) ((dtp)->dt_treedump & (1 << ((p) - 1)))
/*
* Macros for accessing the cached CTF container and type ID for the common
* types "int", "string", and <DYN>, which we need to use frequently in the D
* compiler. The DT_INT_* macro relies upon "int" being at index 0 in the
* _dtrace_ints_* tables in dt_open.c; the others are also set up there.
*/
#define DT_INT_CTFP(dtp) ((dtp)->dt_ints[0].did_ctfp)
#define DT_INT_TYPE(dtp) ((dtp)->dt_ints[0].did_type)
#define DT_FUNC_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp)
#define DT_FUNC_TYPE(dtp) ((dtp)->dt_type_func)
#define DT_FPTR_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp)
#define DT_FPTR_TYPE(dtp) ((dtp)->dt_type_fptr)
#define DT_STR_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp)
#define DT_STR_TYPE(dtp) ((dtp)->dt_type_str)
#define DT_DYN_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp)
#define DT_DYN_TYPE(dtp) ((dtp)->dt_type_dyn)
#define DT_STACK_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp)
#define DT_STACK_TYPE(dtp) ((dtp)->dt_type_stack)
#define DT_SYMADDR_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp)
#define DT_SYMADDR_TYPE(dtp) ((dtp)->dt_type_symaddr)
#define DT_USYMADDR_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp)
#define DT_USYMADDR_TYPE(dtp) ((dtp)->dt_type_usymaddr)
/*
* Actions and subroutines are both DT_NODE_FUNC nodes; to avoid confusing
* an action for a subroutine (or vice versa), we assure that the DT_ACT_*
* constants and the DIF_SUBR_* constants occupy non-overlapping ranges by
* starting the DT_ACT_* constants at DIF_SUBR_MAX + 1.
*/
#define DT_ACT_BASE DIF_SUBR_MAX + 1
#define DT_ACT(n) (DT_ACT_BASE + (n))
#define DT_ACT_PRINTF DT_ACT(0) /* printf() action */
#define DT_ACT_TRACE DT_ACT(1) /* trace() action */
#define DT_ACT_TRACEMEM DT_ACT(2) /* tracemem() action */
#define DT_ACT_STACK DT_ACT(3) /* stack() action */
#define DT_ACT_STOP DT_ACT(4) /* stop() action */
#define DT_ACT_BREAKPOINT DT_ACT(5) /* breakpoint() action */
#define DT_ACT_PANIC DT_ACT(6) /* panic() action */
#define DT_ACT_SPECULATE DT_ACT(7) /* speculate() action */
#define DT_ACT_COMMIT DT_ACT(8) /* commit() action */
#define DT_ACT_DISCARD DT_ACT(9) /* discard() action */
#define DT_ACT_CHILL DT_ACT(10) /* chill() action */
#define DT_ACT_EXIT DT_ACT(11) /* exit() action */
#define DT_ACT_USTACK DT_ACT(12) /* ustack() action */
#define DT_ACT_PRINTA DT_ACT(13) /* printa() action */
#define DT_ACT_RAISE DT_ACT(14) /* raise() action */
#define DT_ACT_CLEAR DT_ACT(15) /* clear() action */
#define DT_ACT_NORMALIZE DT_ACT(16) /* normalize() action */
#define DT_ACT_DENORMALIZE DT_ACT(17) /* denormalize() action */
#define DT_ACT_TRUNC DT_ACT(18) /* trunc() action */
#define DT_ACT_SYSTEM DT_ACT(19) /* system() action */
#define DT_ACT_JSTACK DT_ACT(20) /* jstack() action */
#define DT_ACT_FTRUNCATE DT_ACT(21) /* ftruncate() action */
#define DT_ACT_FREOPEN DT_ACT(22) /* freopen() action */
#define DT_ACT_SYM DT_ACT(23) /* sym()/func() actions */
#define DT_ACT_MOD DT_ACT(24) /* mod() action */
#define DT_ACT_USYM DT_ACT(25) /* usym()/ufunc() actions */
#define DT_ACT_UMOD DT_ACT(26) /* umod() action */
#define DT_ACT_UADDR DT_ACT(27) /* uaddr() action */
#define DT_ACT_SETOPT DT_ACT(28) /* setopt() action */
#define DT_ACT_PRINT DT_ACT(29) /* print() action */
#define DT_ACT_PRINTM DT_ACT(30) /* printm() action */
#define DT_ACT_PRINTT DT_ACT(31) /* printt() action */
/*
* Sentinel to tell freopen() to restore the saved stdout. This must not
* be ever valid for opening for write access via freopen(3C), which of
* course, "." never is.
*/
#define DT_FREOPEN_RESTORE "."
#define EDT_BASE 1000 /* base value for libdtrace errnos */
enum {
EDT_VERSION = EDT_BASE, /* client is requesting unsupported version */
EDT_VERSINVAL, /* version string is invalid or overflows */
EDT_VERSUNDEF, /* requested API version is not defined */
EDT_VERSREDUCED, /* requested API version has been reduced */
EDT_CTF, /* libctf called failed (dt_ctferr has more) */
EDT_COMPILER, /* error in D program compilation */
EDT_NOTUPREG, /* tuple register allocation failure */
EDT_NOMEM, /* memory allocation failure */
EDT_INT2BIG, /* integer limit exceeded */
EDT_STR2BIG, /* string limit exceeded */
EDT_NOMOD, /* unknown module name */
EDT_NOPROV, /* unknown provider name */
EDT_NOPROBE, /* unknown probe name */
EDT_NOSYM, /* unknown symbol name */
EDT_NOSYMADDR, /* no symbol corresponds to address */
EDT_NOTYPE, /* unknown type name */
EDT_NOVAR, /* unknown variable name */
EDT_NOAGG, /* unknown aggregation name */
EDT_BADSCOPE, /* improper use of type name scoping operator */
EDT_BADSPEC, /* overspecified probe description */
EDT_BADSPCV, /* bad macro variable in probe description */
EDT_BADID, /* invalid probe identifier */
EDT_NOTLOADED, /* module is not currently loaded */
EDT_NOCTF, /* module does not contain any CTF data */
EDT_DATAMODEL, /* module and program data models don't match */
EDT_DIFVERS, /* library has newer DIF version than driver */
EDT_BADAGG, /* unrecognized aggregating action */
EDT_FIO, /* file i/o error */
EDT_DIFINVAL, /* invalid DIF program */
EDT_DIFSIZE, /* invalid DIF size */
EDT_DIFFAULT, /* failed to copyin DIF program */
EDT_BADPROBE, /* bad probe description */
EDT_BADPGLOB, /* bad probe description globbing pattern */
EDT_NOSCOPE, /* declaration scope stack underflow */
EDT_NODECL, /* declaration stack underflow */
EDT_DMISMATCH, /* record list does not match statement */
EDT_DOFFSET, /* record data offset error */
EDT_DALIGN, /* record data alignment error */
EDT_BADOPTNAME, /* invalid dtrace_setopt option name */
EDT_BADOPTVAL, /* invalid dtrace_setopt option value */
EDT_BADOPTCTX, /* invalid dtrace_setopt option context */
EDT_CPPFORK, /* failed to fork preprocessor */
EDT_CPPEXEC, /* failed to exec preprocessor */
EDT_CPPENT, /* preprocessor not found */
EDT_CPPERR, /* unknown preprocessor error */
EDT_SYMOFLOW, /* external symbol table overflow */
EDT_ACTIVE, /* operation illegal when tracing is active */
EDT_DESTRUCTIVE, /* destructive actions not allowed */
EDT_NOANON, /* no anonymous tracing state */
EDT_ISANON, /* can't claim anon state and enable probes */
EDT_ENDTOOBIG, /* END enablings exceed size of prncpl buffer */
EDT_NOCONV, /* failed to load type for printf conversion */
EDT_BADCONV, /* incomplete printf conversion */
EDT_BADERROR, /* invalid library ERROR action */
EDT_ERRABORT, /* abort due to error */
EDT_DROPABORT, /* abort due to drop */
EDT_DIRABORT, /* abort explicitly directed */
EDT_BADRVAL, /* invalid return value from callback */
EDT_BADNORMAL, /* invalid normalization */
EDT_BUFTOOSMALL, /* enabling exceeds size of buffer */
EDT_BADTRUNC, /* invalid truncation */
EDT_BUSY, /* device busy (active kernel debugger) */
EDT_ACCESS, /* insufficient privileges to use DTrace */
EDT_NOENT, /* dtrace device not available */
EDT_BRICKED, /* abort due to systemic unresponsiveness */
EDT_HARDWIRE, /* failed to load hard-wired definitions */
EDT_ELFVERSION, /* libelf is out-of-date w.r.t libdtrace */
EDT_NOBUFFERED, /* attempt to buffer output without handler */
EDT_UNSTABLE, /* description matched unstable set of probes */
EDT_BADSETOPT, /* invalid setopt library action */
EDT_BADSTACKPC, /* invalid stack program counter size */
EDT_BADAGGVAR, /* invalid aggregation variable identifier */
EDT_OVERSION, /* client is requesting deprecated version */
EDT_ENABLING_ERR, /* failed to enable probe */
EDT_NOPROBES, /* no probes sites for declared provider */
EDT_CANTLOAD /* failed to load a module */
};
/*
* Interfaces for parsing and comparing DTrace attribute tuples, which describe
* stability and architectural binding information. The dtrace_attribute_t
* structure and associated constant definitions are found in <sys/dtrace.h>.
*/
extern dtrace_attribute_t dt_attr_min(dtrace_attribute_t, dtrace_attribute_t);
extern dtrace_attribute_t dt_attr_max(dtrace_attribute_t, dtrace_attribute_t);
extern char *dt_attr_str(dtrace_attribute_t, char *, size_t);
extern int dt_attr_cmp(dtrace_attribute_t, dtrace_attribute_t);
/*
* Interfaces for parsing and handling DTrace version strings. Version binding
* is a feature of the D compiler that is handled completely independently of
* the DTrace kernel infrastructure, so the definitions are here in libdtrace.
* Version strings are compiled into an encoded uint32_t which can be compared
* using C comparison operators. Version definitions are found in dt_open.c.
*/
#define DT_VERSION_STRMAX 16 /* enough for "255.4095.4095\0" */
#define DT_VERSION_MAJMAX 0xFF /* maximum major version number */
#define DT_VERSION_MINMAX 0xFFF /* maximum minor version number */
#define DT_VERSION_MICMAX 0xFFF /* maximum micro version number */
#define DT_VERSION_NUMBER(M, m, u) \
((((M) & 0xFF) << 24) | (((m) & 0xFFF) << 12) | ((u) & 0xFFF))
#define DT_VERSION_MAJOR(v) (((v) & 0xFF000000) >> 24)
#define DT_VERSION_MINOR(v) (((v) & 0x00FFF000) >> 12)
#define DT_VERSION_MICRO(v) ((v) & 0x00000FFF)
extern char *dt_version_num2str(dt_version_t, char *, size_t);
extern int dt_version_str2num(const char *, dt_version_t *);
extern int dt_version_defined(dt_version_t);
/*
* Miscellaneous internal libdtrace interfaces. The definitions below are for
* libdtrace routines that do not yet merit their own separate header file.
*/
extern char *dt_cpp_add_arg(dtrace_hdl_t *, const char *);
extern char *dt_cpp_pop_arg(dtrace_hdl_t *);
#ifdef illumos
extern int dt_set_errno(dtrace_hdl_t *, int);
#else
int _dt_set_errno(dtrace_hdl_t *, int, const char *, int);
void dt_get_errloc(dtrace_hdl_t *, const char **, int *);
#define dt_set_errno(_a,_b) _dt_set_errno(_a,_b,__FILE__,__LINE__)
#endif
extern void dt_set_errmsg(dtrace_hdl_t *, const char *, const char *,
const char *, int, const char *, va_list);
#ifdef illumos
extern int dt_ioctl(dtrace_hdl_t *, int, void *);
#else
extern int dt_ioctl(dtrace_hdl_t *, u_long, void *);
#endif
extern int dt_status(dtrace_hdl_t *, processorid_t);
extern long dt_sysconf(dtrace_hdl_t *, int);
extern ssize_t dt_write(dtrace_hdl_t *, int, const void *, size_t);
extern int dt_printf(dtrace_hdl_t *, FILE *, const char *, ...);
extern void *dt_zalloc(dtrace_hdl_t *, size_t);
extern void *dt_alloc(dtrace_hdl_t *, size_t);
extern void dt_free(dtrace_hdl_t *, void *);
extern void dt_difo_free(dtrace_hdl_t *, dtrace_difo_t *);
extern int dt_gmatch(const char *, const char *);
extern char *dt_basename(char *);
extern ulong_t dt_popc(ulong_t);
extern ulong_t dt_popcb(const ulong_t *, ulong_t);
extern int dt_buffered_enable(dtrace_hdl_t *);
extern int dt_buffered_flush(dtrace_hdl_t *, dtrace_probedata_t *,
const dtrace_recdesc_t *, const dtrace_aggdata_t *, uint32_t flags);
extern void dt_buffered_disable(dtrace_hdl_t *);
extern void dt_buffered_destroy(dtrace_hdl_t *);
extern uint64_t dt_stddev(uint64_t *, uint64_t);
extern int dt_rw_read_held(pthread_rwlock_t *);
extern int dt_rw_write_held(pthread_rwlock_t *);
extern int dt_mutex_held(pthread_mutex_t *);
extern int dt_options_load(dtrace_hdl_t *);
#define DT_RW_READ_HELD(x) dt_rw_read_held(x)
#define DT_RW_WRITE_HELD(x) dt_rw_write_held(x)
#define DT_RW_LOCK_HELD(x) (DT_RW_READ_HELD(x) || DT_RW_WRITE_HELD(x))
#define DT_MUTEX_HELD(x) dt_mutex_held(x)
extern void dt_dprintf(const char *, ...);
extern void dt_setcontext(dtrace_hdl_t *, dtrace_probedesc_t *);
extern void dt_endcontext(dtrace_hdl_t *);
extern void dt_pragma(dt_node_t *);
extern int dt_reduce(dtrace_hdl_t *, dt_version_t);
extern void dt_cg(dt_pcb_t *, dt_node_t *);
extern dtrace_difo_t *dt_as(dt_pcb_t *);
extern void dt_dis(const dtrace_difo_t *, FILE *);
extern int dt_aggregate_go(dtrace_hdl_t *);
extern int dt_aggregate_init(dtrace_hdl_t *);
extern void dt_aggregate_destroy(dtrace_hdl_t *);
extern int dt_epid_lookup(dtrace_hdl_t *, dtrace_epid_t,
dtrace_eprobedesc_t **, dtrace_probedesc_t **);
extern void dt_epid_destroy(dtrace_hdl_t *);
extern int dt_aggid_lookup(dtrace_hdl_t *, dtrace_aggid_t, dtrace_aggdesc_t **);
extern void dt_aggid_destroy(dtrace_hdl_t *);
extern void *dt_format_lookup(dtrace_hdl_t *, int);
extern void dt_format_destroy(dtrace_hdl_t *);
extern const char *dt_strdata_lookup(dtrace_hdl_t *, int);
extern void dt_strdata_destroy(dtrace_hdl_t *);
extern int dt_print_quantize(dtrace_hdl_t *, FILE *,
const void *, size_t, uint64_t);
extern int dt_print_lquantize(dtrace_hdl_t *, FILE *,
const void *, size_t, uint64_t);
extern int dt_print_llquantize(dtrace_hdl_t *, FILE *,
const void *, size_t, uint64_t);
extern int dt_print_agg(const dtrace_aggdata_t *, void *);
extern int dt_handle(dtrace_hdl_t *, dtrace_probedata_t *);
extern int dt_handle_liberr(dtrace_hdl_t *,
const dtrace_probedata_t *, const char *);
extern int dt_handle_cpudrop(dtrace_hdl_t *, processorid_t,
dtrace_dropkind_t, uint64_t);
extern int dt_handle_status(dtrace_hdl_t *,
dtrace_status_t *, dtrace_status_t *);
extern int dt_handle_setopt(dtrace_hdl_t *, dtrace_setoptdata_t *);
extern int dt_lib_depend_add(dtrace_hdl_t *, dt_list_t *, const char *);
extern dt_lib_depend_t *dt_lib_depend_lookup(dt_list_t *, const char *);
extern dt_pcb_t *yypcb; /* pointer to current parser control block */
extern char yyintprefix; /* int token prefix for macros (+/-) */
extern char yyintsuffix[4]; /* int token suffix ([uUlL]*) */
extern int yyintdecimal; /* int token is decimal (1) or octal/hex (0) */
extern char yytext[]; /* lex input buffer */
extern int yylineno; /* lex line number */
extern int yydebug; /* lex debugging */
extern dt_node_t *yypragma; /* lex token list for control lines */
extern const dtrace_attribute_t _dtrace_maxattr; /* maximum attributes */
extern const dtrace_attribute_t _dtrace_defattr; /* default attributes */
extern const dtrace_attribute_t _dtrace_symattr; /* symbol ref attributes */
extern const dtrace_attribute_t _dtrace_typattr; /* type ref attributes */
extern const dtrace_attribute_t _dtrace_prvattr; /* provider attributes */
extern const dtrace_pattr_t _dtrace_prvdesc; /* provider attribute bundle */
extern const dt_version_t _dtrace_versions[]; /* array of valid versions */
extern const char *const _dtrace_version; /* current version string */
extern int _dtrace_strbuckets; /* number of hash buckets for strings */
extern int _dtrace_intbuckets; /* number of hash buckets for ints */
extern uint_t _dtrace_stkindent; /* default indent for stack/ustack */
extern uint_t _dtrace_pidbuckets; /* number of hash buckets for pids */
extern uint_t _dtrace_pidlrulim; /* number of proc handles to cache */
extern int _dtrace_debug; /* debugging messages enabled */
extern size_t _dtrace_bufsize; /* default dt_buf_create() size */
extern int _dtrace_argmax; /* default maximum probe arguments */
extern const char *_dtrace_libdir; /* default library directory */
extern const char *_dtrace_moddir; /* default kernel module directory */
#ifdef __FreeBSD__
extern int gmatch(const char *, const char *);
extern int yylex(void);
#endif
#ifdef __cplusplus
}
#endif
#endif /* _DT_IMPL_H */
