1 #ifndef _PROBE_EVENT_H 2 #define _PROBE_EVENT_H 3 4 #include <stdbool.h> 5 #include "intlist.h" 6 #include "strlist.h" 7 #include "strfilter.h" 8 9 /* Probe related configurations */ 10 struct probe_conf { 11 bool show_ext_vars; 12 bool show_location_range; 13 bool force_add; 14 bool no_inlines; 15 int max_probes; 16 }; 17 extern struct probe_conf probe_conf; 18 extern bool probe_event_dry_run; 19 20 /* kprobe-tracer and uprobe-tracer tracing point */ 21 struct probe_trace_point { 22 char *realname; /* function real name (if needed) */ 23 char *symbol; /* Base symbol */ 24 char *module; /* Module name */ 25 unsigned long offset; /* Offset from symbol */ 26 unsigned long address; /* Actual address of the trace point */ 27 bool retprobe; /* Return probe flag */ 28 }; 29 30 /* probe-tracer tracing argument referencing offset */ 31 struct probe_trace_arg_ref { 32 struct probe_trace_arg_ref *next; /* Next reference */ 33 long offset; /* Offset value */ 34 }; 35 36 /* kprobe-tracer and uprobe-tracer tracing argument */ 37 struct probe_trace_arg { 38 char *name; /* Argument name */ 39 char *value; /* Base value */ 40 char *type; /* Type name */ 41 struct probe_trace_arg_ref *ref; /* Referencing offset */ 42 }; 43 44 /* kprobe-tracer and uprobe-tracer tracing event (point + arg) */ 45 struct probe_trace_event { 46 char *event; /* Event name */ 47 char *group; /* Group name */ 48 struct probe_trace_point point; /* Trace point */ 49 int nargs; /* Number of args */ 50 bool uprobes; /* uprobes only */ 51 struct probe_trace_arg *args; /* Arguments */ 52 }; 53 54 /* Perf probe probing point */ 55 struct perf_probe_point { 56 char *file; /* File path */ 57 char *function; /* Function name */ 58 int line; /* Line number */ 59 bool retprobe; /* Return probe flag */ 60 char *lazy_line; /* Lazy matching pattern */ 61 unsigned long offset; /* Offset from function entry */ 62 }; 63 64 /* Perf probe probing argument field chain */ 65 struct perf_probe_arg_field { 66 struct perf_probe_arg_field *next; /* Next field */ 67 char *name; /* Name of the field */ 68 long index; /* Array index number */ 69 bool ref; /* Referencing flag */ 70 }; 71 72 /* Perf probe probing argument */ 73 struct perf_probe_arg { 74 char *name; /* Argument name */ 75 char *var; /* Variable name */ 76 char *type; /* Type name */ 77 struct perf_probe_arg_field *field; /* Structure fields */ 78 }; 79 80 /* Perf probe probing event (point + arg) */ 81 struct perf_probe_event { 82 char *event; /* Event name */ 83 char *group; /* Group name */ 84 struct perf_probe_point point; /* Probe point */ 85 int nargs; /* Number of arguments */ 86 bool uprobes; /* Uprobe event flag */ 87 char *target; /* Target binary */ 88 struct perf_probe_arg *args; /* Arguments */ 89 }; 90 91 /* Line range */ 92 struct line_range { 93 char *file; /* File name */ 94 char *function; /* Function name */ 95 int start; /* Start line number */ 96 int end; /* End line number */ 97 int offset; /* Start line offset */ 98 char *path; /* Real path name */ 99 char *comp_dir; /* Compile directory */ 100 struct intlist *line_list; /* Visible lines */ 101 }; 102 103 /* List of variables */ 104 struct variable_list { 105 struct probe_trace_point point; /* Actual probepoint */ 106 struct strlist *vars; /* Available variables */ 107 }; 108 109 /* Command string to events */ 110 extern int parse_perf_probe_command(const char *cmd, 111 struct perf_probe_event *pev); 112 113 /* Events to command string */ 114 extern char *synthesize_perf_probe_command(struct perf_probe_event *pev); 115 extern char *synthesize_probe_trace_command(struct probe_trace_event *tev); 116 extern int synthesize_perf_probe_arg(struct perf_probe_arg *pa, char *buf, 117 size_t len); 118 119 /* Check the perf_probe_event needs debuginfo */ 120 extern bool perf_probe_event_need_dwarf(struct perf_probe_event *pev); 121 122 /* Release event contents */ 123 extern void clear_perf_probe_event(struct perf_probe_event *pev); 124 125 /* Command string to line-range */ 126 extern int parse_line_range_desc(const char *cmd, struct line_range *lr); 127 128 /* Release line range members */ 129 extern void line_range__clear(struct line_range *lr); 130 131 /* Initialize line range */ 132 extern int line_range__init(struct line_range *lr); 133 134 extern int add_perf_probe_events(struct perf_probe_event *pevs, int npevs); 135 extern int del_perf_probe_events(struct strfilter *filter); 136 extern int show_perf_probe_events(struct strfilter *filter); 137 extern int show_line_range(struct line_range *lr, const char *module, 138 bool user); 139 extern int show_available_vars(struct perf_probe_event *pevs, int npevs, 140 struct strfilter *filter); 141 extern int show_available_funcs(const char *module, struct strfilter *filter, 142 bool user); 143 bool arch__prefers_symtab(void); 144 void arch__fix_tev_from_maps(struct perf_probe_event *pev, 145 struct probe_trace_event *tev, struct map *map); 146 147 /* Maximum index number of event-name postfix */ 148 #define MAX_EVENT_INDEX 1024 149 150 #endif /*_PROBE_EVENT_H */ 151