14ea42b18SMasami Hiramatsu #ifndef _PROBE_FINDER_H 24ea42b18SMasami Hiramatsu #define _PROBE_FINDER_H 34ea42b18SMasami Hiramatsu 4804b3606SMasami Hiramatsu #include <stdbool.h> 54a58e611SArnaldo Carvalho de Melo #include "util.h" 64235b045SMasami Hiramatsu #include "probe-event.h" 74a58e611SArnaldo Carvalho de Melo 84ea42b18SMasami Hiramatsu #define MAX_PATH_LEN 256 94ea42b18SMasami Hiramatsu #define MAX_PROBE_BUFFER 1024 104ea42b18SMasami Hiramatsu #define MAX_PROBES 128 114ea42b18SMasami Hiramatsu 124ea42b18SMasami Hiramatsu static inline int is_c_varname(const char *name) 134ea42b18SMasami Hiramatsu { 144ea42b18SMasami Hiramatsu /* TODO */ 154ea42b18SMasami Hiramatsu return isalpha(name[0]) || name[0] == '_'; 164ea42b18SMasami Hiramatsu } 174ea42b18SMasami Hiramatsu 184b4da7f7SMasami Hiramatsu #ifdef DWARF_SUPPORT 194235b045SMasami Hiramatsu /* Find kprobe_trace_events specified by perf_probe_event from debuginfo */ 204235b045SMasami Hiramatsu extern int find_kprobe_trace_events(int fd, struct perf_probe_event *pev, 21ef4a3565SMasami Hiramatsu struct kprobe_trace_event **tevs, 22ef4a3565SMasami Hiramatsu int max_tevs); 234235b045SMasami Hiramatsu 24fb1587d8SMasami Hiramatsu /* Find a perf_probe_point from debuginfo */ 25fb1587d8SMasami Hiramatsu extern int find_perf_probe_point(int fd, unsigned long addr, 26fb1587d8SMasami Hiramatsu struct perf_probe_point *ppt); 27fb1587d8SMasami Hiramatsu 28631c9defSMasami Hiramatsu extern int find_line_range(int fd, struct line_range *lr); 294ea42b18SMasami Hiramatsu 3027f3b24dSMasami Hiramatsu #include <dwarf.h> 31804b3606SMasami Hiramatsu #include <libdw.h> 324ea42b18SMasami Hiramatsu 334ea42b18SMasami Hiramatsu struct probe_finder { 344235b045SMasami Hiramatsu struct perf_probe_event *pev; /* Target probe event */ 354235b045SMasami Hiramatsu struct kprobe_trace_event *tevs; /* Result trace events */ 36ef4a3565SMasami Hiramatsu int ntevs; /* Number of trace events */ 37ef4a3565SMasami Hiramatsu int max_tevs; /* Max number of trace events */ 384ea42b18SMasami Hiramatsu 394ea42b18SMasami Hiramatsu /* For function searching */ 40eed05fe7SArnaldo Carvalho de Melo int lno; /* Line number */ 414ea42b18SMasami Hiramatsu Dwarf_Addr addr; /* Address */ 424235b045SMasami Hiramatsu const char *fname; /* Real file name */ 43b0ef0732SMasami Hiramatsu Dwarf_Die cu_die; /* Current CU */ 444235b045SMasami Hiramatsu struct list_head lcache; /* Line cache for lazy match */ 454ea42b18SMasami Hiramatsu 464ea42b18SMasami Hiramatsu /* For variable searching */ 47a34a9854SMasami Hiramatsu Dwarf_CFI *cfi; /* Call Frame Information */ 48804b3606SMasami Hiramatsu Dwarf_Op *fb_ops; /* Frame base attribute */ 494235b045SMasami Hiramatsu struct perf_probe_arg *pvar; /* Current target variable */ 504235b045SMasami Hiramatsu struct kprobe_trace_arg *tvar; /* Current result variable */ 514ea42b18SMasami Hiramatsu }; 52631c9defSMasami Hiramatsu 53631c9defSMasami Hiramatsu struct line_finder { 54631c9defSMasami Hiramatsu struct line_range *lr; /* Target line range */ 55631c9defSMasami Hiramatsu 56804b3606SMasami Hiramatsu const char *fname; /* File name */ 57804b3606SMasami Hiramatsu int lno_s; /* Start line number */ 58804b3606SMasami Hiramatsu int lno_e; /* End line number */ 59631c9defSMasami Hiramatsu Dwarf_Die cu_die; /* Current CU */ 60631c9defSMasami Hiramatsu int found; 61631c9defSMasami Hiramatsu }; 62631c9defSMasami Hiramatsu 634b4da7f7SMasami Hiramatsu #endif /* DWARF_SUPPORT */ 644ea42b18SMasami Hiramatsu 654ea42b18SMasami Hiramatsu #endif /*_PROBE_FINDER_H */ 66