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/*
* Oracle Linux DTrace.
* Copyright (c) 2005, 2025, Oracle and/or its affiliates. All rights reserved.
* Licensed under the Universal Permissive License v 1.0 as shown at
* http://oss.oracle.com/licenses/upl.
*/
#ifndef _DT_PRINTF_H
#define _DT_PRINTF_H
#include <sys/types.h>
#include <sys/ctf-api.h>
#include <dtrace.h>
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
struct dt_node;
struct dt_ident;
struct dt_pfconv;
struct dt_pfargv;
struct dt_pfargd;
typedef int dt_pfcheck_f(struct dt_pfargv *, struct dt_pfargd *,
struct dt_node *);
typedef int dt_pfprint_f(dtrace_hdl_t *, FILE *, const char *,
const struct dt_pfargd *, const void *, size_t,
uint64_t, uint64_t);
typedef struct dt_pfconv {
const char *pfc_name; /* string name of input conversion */
const char *pfc_ofmt; /* string name of output conversion */
const char *pfc_tstr; /* string name for conversion type */
dt_pfcheck_f *pfc_check; /* function to use for type checking */
dt_pfprint_f *pfc_print; /* function to use for formatting */
ctf_file_t *pfc_cctfp; /* CTF container for "C" defn of type */
ctf_id_t pfc_ctype; /* CTF type ID for "C" defn of type */
ctf_file_t *pfc_dctfp; /* CTF container for "D" defn of type */
ctf_id_t pfc_dtype; /* CTF type ID for "D" defn of type */
struct dt_pfconv *pfc_next; /* next conversion in hash chain */
} dt_pfconv_t;
typedef struct dt_pfdict {
dt_pfconv_t **pdi_buckets; /* hash bucket array */
uint_t pdi_nbuckets; /* size of hash bucket array */
} dt_pfdict_t;
typedef struct dt_pfargd {
const char *pfd_prefix; /* prefix string pointer (or NULL) */
size_t pfd_preflen; /* length of prefix in bytes */
char pfd_fmt[8]; /* output format name to use */
uint_t pfd_flags; /* format flags (see below) */
int pfd_width; /* field width (or 0) */
int pfd_dynwidth; /* dynamic field width (or 0) */
int pfd_prec; /* field precision (or 0) */
const dt_pfconv_t *pfd_conv; /* conversion specification */
const dtrace_recdesc_t *pfd_rec; /* pointer to current record */
struct dt_pfargd *pfd_next; /* pointer to next arg descriptor */
} dt_pfargd_t;
#define DT_PFCONV_ALT 0x0001 /* alternate print format (%#) */
#define DT_PFCONV_ZPAD 0x0002 /* zero-pad integer field (%0) */
#define DT_PFCONV_LEFT 0x0004 /* left-align field (%-) */
#define DT_PFCONV_SPOS 0x0008 /* sign positive values (%+) */
#define DT_PFCONV_DYNWIDTH 0x0010 /* dynamic width (%*.) */
#define DT_PFCONV_DYNPREC 0x0020 /* dynamic precision (%.*) */
#define DT_PFCONV_GROUP 0x0040 /* group thousands (%') */
#define DT_PFCONV_SPACE 0x0080 /* insert leading space (% ) */
#define DT_PFCONV_AGG 0x0100 /* use aggregation result (%@) */
#define DT_PFCONV_SIGNED 0x0200 /* arg is a signed integer */
typedef struct dt_pfargv {
dtrace_hdl_t *pfv_dtp; /* libdtrace client handle */
char *pfv_format; /* format string pointer */
dt_pfargd_t *pfv_argv; /* list of argument descriptors */
uint_t pfv_argc; /* number of argument descriptors */
uint_t pfv_flags; /* flags used for validation */
} dt_pfargv_t;
typedef struct dt_pfwalk {
const dt_pfargv_t *pfw_argv; /* argument description list */
uint_t pfw_aid; /* aggregation variable identifier */
FILE *pfw_fp; /* file pointer to use for output */
int pfw_err; /* error status code */
} dt_pfwalk_t;
extern int dt_pfdict_create(dtrace_hdl_t *);
extern void dt_pfdict_destroy(dtrace_hdl_t *);
extern dt_pfargv_t *dt_printf_create(dtrace_hdl_t *, const char *);
extern void dt_printf_destroy(dt_pfargv_t *);
#define DT_PRINTF_EXACTLEN 0x1 /* do not permit extra arguments */
#define DT_PRINTF_AGGREGATION 0x2 /* enable aggregation conversion */
extern void dt_printf_validate(dt_pfargv_t *, uint_t,
struct dt_ident *, int, dtrace_actkind_t, struct dt_node *);
extern void dt_printa_validate(struct dt_node *, struct dt_node *);
extern int dt_print_mod(dtrace_hdl_t *, FILE *, const char *, caddr_t);
extern int dt_print_umod(dtrace_hdl_t *, FILE *, const char *, caddr_t);
extern int dt_print_type(dtrace_hdl_t *dtp, FILE *fp, void *fmtdata,
const dtrace_probedata_t *data,
const dtrace_recdesc_t *recs, uint_t nrecs,
const void *buf, size_t len);
extern int dt_print_stack(dtrace_hdl_t *dtp, FILE *fp, void *fmtdata,
const dtrace_probedata_t *data,
const dtrace_recdesc_t *recs, uint_t nrecs,
const void *buf, size_t len);
#ifdef __cplusplus
}
#endif
#endif /* _DT_PRINTF_H */
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