| #ifndef _PROBE_EVENT_H |
| #define _PROBE_EVENT_H |
| |
| #include <stdbool.h> |
| #include "intlist.h" |
| #include "strlist.h" |
| #include "strfilter.h" |
| |
| extern bool probe_event_dry_run; |
| |
| /* kprobe-tracer and uprobe-tracer tracing point */ |
| struct probe_trace_point { |
| 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 */ |
| }; |
| |
| /* 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 */ |
| }; |
| |
| /* 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 */ |
| }; |
| |
| /* Command string to events */ |
| extern int parse_perf_probe_command(const char *cmd, |
| struct perf_probe_event *pev); |
| |
| /* 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); |
| |
| /* 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); |
| |
| /* Internal use: Return kernel/module path */ |
| extern const char *kernel_get_module_path(const char *module); |
| |
| extern int add_perf_probe_events(struct perf_probe_event *pevs, int npevs, |
| int max_probe_points, bool force_add); |
| extern int del_perf_probe_events(struct strlist *dellist); |
| extern int show_perf_probe_events(void); |
| 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, |
| int max_probe_points, const char *module, |
| struct strfilter *filter, bool externs); |
| extern int show_available_funcs(const char *module, struct strfilter *filter, |
| bool user); |
| bool arch__prefers_symtab(void); |
| |
| /* Maximum index number of event-name postfix */ |
| #define MAX_EVENT_INDEX 1024 |
| |
| #endif /*_PROBE_EVENT_H */ |