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#ifndef _PROBE_EVENT_H
#define _PROBE_EVENT_H
#include <stdbool.h>
#include "intlist.h"
#include "strlist.h"
#include "strfilter.h"
/* Probe related configurations */
struct probe_conf {
bool show_ext_vars;
bool show_location_range;
bool force_add;
bool no_inlines;
int max_probes;
};
extern struct probe_conf probe_conf;
extern bool probe_event_dry_run;
/* kprobe-tracer and uprobe-tracer tracing point */
struct probe_trace_point {
char *realname; /* function real name (if needed) */
char *symbol; /* Base symbol */
char *module; /* Module name */
unsigned long offset; /* Offset from symbol */
unsigned long address; /* Actual address of the trace point */
bool retprobe; /* Return probe flag */
};
/* probe-tracer tracing argument referencing offset */
struct probe_trace_arg_ref {
struct probe_trace_arg_ref *next; /* Next reference */
long offset; /* Offset value */
};
/* kprobe-tracer and uprobe-tracer tracing argument */
struct probe_trace_arg {
char *name; /* Argument name */
char *value; /* Base value */
char *type; /* Type name */
struct probe_trace_arg_ref *ref; /* Referencing offset */
};
/* kprobe-tracer and uprobe-tracer tracing event (point + arg) */
struct probe_trace_event {
char *event; /* Event name */
char *group; /* Group name */
struct probe_trace_point point; /* Trace point */
int nargs; /* Number of args */
bool uprobes; /* uprobes only */
struct probe_trace_arg *args; /* Arguments */
};
/* Perf probe probing point */
struct perf_probe_point {
char *file; /* File path */
char *function; /* Function name */
int line; /* Line number */
bool retprobe; /* Return probe flag */
char *lazy_line; /* Lazy matching pattern */
unsigned long offset; /* Offset from function entry */
unsigned long abs_address; /* Absolute address of the point */
};
/* Perf probe probing argument field chain */
struct perf_probe_arg_field {
struct perf_probe_arg_field *next; /* Next field */
char *name; /* Name of the field */
long index; /* Array index number */
bool ref; /* Referencing flag */
};
/* Perf probe probing argument */
struct perf_probe_arg {
char *name; /* Argument name */
char *var; /* Variable name */
char *type; /* Type name */
struct perf_probe_arg_field *field; /* Structure fields */
};
/* Perf probe probing event (point + arg) */
struct perf_probe_event {
char *event; /* Event name */
char *group; /* Group name */
struct perf_probe_point point; /* Probe point */
int nargs; /* Number of arguments */
bool uprobes; /* Uprobe event flag */
char *target; /* Target binary */
struct perf_probe_arg *args; /* Arguments */
struct probe_trace_event *tevs;
int ntevs;
};
/* Line range */
struct line_range {
char *file; /* File name */
char *function; /* Function name */
int start; /* Start line number */
int end; /* End line number */
int offset; /* Start line offset */
char *path; /* Real path name */
char *comp_dir; /* Compile directory */
struct intlist *line_list; /* Visible lines */
};
/* List of variables */
struct variable_list {
struct probe_trace_point point; /* Actual probepoint */
struct strlist *vars; /* Available variables */
};
struct map;
/* Command string to events */
extern int parse_perf_probe_command(const char *cmd,
struct perf_probe_event *pev);
extern int parse_probe_trace_command(const char *cmd,
struct probe_trace_event *tev);
/* Events to command string */
extern char *synthesize_perf_probe_command(struct perf_probe_event *pev);
extern char *synthesize_probe_trace_command(struct probe_trace_event *tev);
extern int synthesize_perf_probe_arg(struct perf_probe_arg *pa, char *buf,
size_t len);
/* Check the perf_probe_event needs debuginfo */
extern bool perf_probe_event_need_dwarf(struct perf_probe_event *pev);
/* Release event contents */
extern void clear_perf_probe_event(struct perf_probe_event *pev);
extern void clear_probe_trace_event(struct probe_trace_event *tev);
/* Command string to line-range */
extern int parse_line_range_desc(const char *cmd, struct line_range *lr);
/* Release line range members */
extern void line_range__clear(struct line_range *lr);
/* Initialize line range */
extern int line_range__init(struct line_range *lr);
extern int add_perf_probe_events(struct perf_probe_event *pevs, int npevs);
extern int convert_perf_probe_events(struct perf_probe_event *pevs, int npevs);
extern int apply_perf_probe_events(struct perf_probe_event *pevs, int npevs);
extern void cleanup_perf_probe_events(struct perf_probe_event *pevs, int npevs);
extern int del_perf_probe_events(struct strfilter *filter);
extern int show_perf_probe_event(const char *group, const char *event,
struct perf_probe_event *pev,
const char *module, bool use_stdout);
extern int show_perf_probe_events(struct strfilter *filter);
extern int show_line_range(struct line_range *lr, const char *module,
bool user);
extern int show_available_vars(struct perf_probe_event *pevs, int npevs,
struct strfilter *filter);
extern int show_available_funcs(const char *module, struct strfilter *filter,
bool user);
bool arch__prefers_symtab(void);
void arch__fix_tev_from_maps(struct perf_probe_event *pev,
struct probe_trace_event *tev, struct map *map);
/* If there is no space to write, returns -E2BIG. */
int e_snprintf(char *str, size_t size, const char *format, ...)
__attribute__((format(printf, 3, 4)));
/* Maximum index number of event-name postfix */
#define MAX_EVENT_INDEX 1024
int copy_to_probe_trace_arg(struct probe_trace_arg *tvar,
struct perf_probe_arg *pvar);
#endif /*_PROBE_EVENT_H */
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