usr/src/lib/libdtrace/common/dt_printf.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _DT_PRINTF_H
  28 #define _DT_PRINTF_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #include <sys/types.h>
  33 #include <libctf.h>
  34 #include <dtrace.h>
  35 #include <stdio.h>
  36
  37 #ifdef  __cplusplus
  38 extern "C" {
  39 #endif
  40
  41 struct dt_node;
  42 struct dt_ident;
  43
  44 struct dt_pfconv;
  45 struct dt_pfargv;
  46 struct dt_pfargd;
  47
  48 typedef int dt_pfcheck_f(struct dt_pfargv *,
  49     struct dt_pfargd *, struct dt_node *);
  50 typedef int dt_pfprint_f(dtrace_hdl_t *, FILE *, const char *,
  51     const struct dt_pfargd *, const void *, size_t, uint64_t);
  52
  53 typedef struct dt_pfconv {
  54         const char *pfc_name;           /* string name of input conversion */
  55         const char *pfc_ofmt;           /* string name of output conversion */
  56         const char *pfc_tstr;           /* string name for conversion type */
  57         dt_pfcheck_f *pfc_check;        /* function to use for type checking */
  58         dt_pfprint_f *pfc_print;        /* function to use for formatting */
  59         ctf_file_t *pfc_cctfp;          /* CTF container for "C" defn of type */
  60         ctf_id_t pfc_ctype;             /* CTF type ID for "C" defn of type */
  61         ctf_file_t *pfc_dctfp;          /* CTF container for "D" defn of type */
  62         ctf_id_t pfc_dtype;             /* CTF type ID for "D" defn of type */
  63         struct dt_pfconv *pfc_next;     /* next conversion in hash chain */
  64 } dt_pfconv_t;
  65
  66 typedef struct dt_pfdict {
  67         dt_pfconv_t **pdi_buckets;      /* hash bucket array */
  68         uint_t pdi_nbuckets;            /* size of hash bucket array */
  69 } dt_pfdict_t;
  70
  71 typedef struct dt_pfargd {
  72         const char *pfd_prefix;         /* prefix string pointer (or NULL) */
  73         size_t pfd_preflen;             /* length of prefix in bytes */
  74         char pfd_fmt[8];                /* output format name to use */
  75         uint_t pfd_flags;               /* format flags (see below) */
  76         int pfd_width;                  /* field width (or 0) */
  77         int pfd_dynwidth;               /* dynamic field width (or 0) */
  78         int pfd_prec;                   /* field precision (or 0) */
  79         const dt_pfconv_t *pfd_conv;    /* conversion specification */
  80         const dtrace_recdesc_t *pfd_rec; /* pointer to current record */
  81         struct dt_pfargd *pfd_next;     /* pointer to next arg descriptor */
  82 } dt_pfargd_t;
  83
  84 #define DT_PFCONV_ALT           0x0001  /* alternate print format (%#) */
  85 #define DT_PFCONV_ZPAD          0x0002  /* zero-pad integer field (%0) */
  86 #define DT_PFCONV_LEFT          0x0004  /* left-align field (%-) */
  87 #define DT_PFCONV_SPOS          0x0008  /* sign positive values (%+) */
  88 #define DT_PFCONV_DYNWIDTH      0x0010  /* dynamic width (%*.) */
  89 #define DT_PFCONV_DYNPREC       0x0020  /* dynamic precision (%.*) */
  90 #define DT_PFCONV_GROUP         0x0040  /* group thousands (%') */
  91 #define DT_PFCONV_SPACE         0x0080  /* insert leading space (% ) */
  92 #define DT_PFCONV_AGG           0x0100  /* use aggregation result (%@) */
  93 #define DT_PFCONV_SIGNED        0x0200  /* arg is a signed integer */
  94
  95 typedef struct dt_pfargv {
  96         dtrace_hdl_t *pfv_dtp;          /* libdtrace client handle */
  97         char *pfv_format;               /* format string pointer */
  98         dt_pfargd_t *pfv_argv;          /* list of argument descriptors */
  99         uint_t pfv_argc;                /* number of argument descriptors */
 100         uint_t pfv_flags;               /* flags used for validation */
 101 } dt_pfargv_t;
 102
 103 typedef struct dt_pfwalk {
 104         const dt_pfargv_t *pfw_argv;    /* argument description list */
 105         uint_t pfw_aid;                 /* aggregation variable identifier */
 106         FILE *pfw_fp;                   /* file pointer to use for output */
 107         int pfw_err;                    /* error status code */
 108 } dt_pfwalk_t;
 109
 110 extern int dt_pfdict_create(dtrace_hdl_t *);
 111 extern void dt_pfdict_destroy(dtrace_hdl_t *);
 112
 113 extern dt_pfargv_t *dt_printf_create(dtrace_hdl_t *, const char *);
 114 extern void dt_printf_destroy(dt_pfargv_t *);
 115
 116 #define DT_PRINTF_EXACTLEN      0x1     /* do not permit extra arguments */
 117 #define DT_PRINTF_AGGREGATION   0x2     /* enable aggregation conversion */
 118
 119 extern void dt_printf_validate(dt_pfargv_t *, uint_t,
 120     struct dt_ident *, int, dtrace_actkind_t, struct dt_node *);
 121
 122 extern void dt_printa_validate(struct dt_node *, struct dt_node *);
 123
 124 extern int dt_print_stack(dtrace_hdl_t *, FILE *,
 125     const char *, caddr_t, int, int);
 126 extern int dt_print_ustack(dtrace_hdl_t *, FILE *,
 127     const char *, caddr_t, uint64_t);
 128 extern int dt_print_mod(dtrace_hdl_t *, FILE *, const char *, caddr_t);
 129 extern int dt_print_umod(dtrace_hdl_t *, FILE *, const char *, caddr_t);
 130
 131 #ifdef  __cplusplus
 132 }
 133 #endif
 134
 135 #endif  /* _DT_PRINTF_H */