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 190e60836bSSrikar Dronamraju /* Find probe_trace_events specified by perf_probe_event from debuginfo */ 200e60836bSSrikar Dronamraju extern int find_probe_trace_events(int fd, struct perf_probe_event *pev, 210e60836bSSrikar Dronamraju struct probe_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 28cf6eb489SMasami Hiramatsu /* Find a line range */ 29631c9defSMasami Hiramatsu extern int find_line_range(int fd, struct line_range *lr); 304ea42b18SMasami Hiramatsu 31cf6eb489SMasami Hiramatsu /* Find available variables */ 32cf6eb489SMasami Hiramatsu extern int find_available_vars_at(int fd, struct perf_probe_event *pev, 33fb8c5a56SMasami Hiramatsu struct variable_list **vls, int max_points, 34fb8c5a56SMasami Hiramatsu bool externs); 35cf6eb489SMasami Hiramatsu 3627f3b24dSMasami Hiramatsu #include <dwarf.h> 37804b3606SMasami Hiramatsu #include <libdw.h> 387752f1b0SMasami Hiramatsu #include <version.h> 394ea42b18SMasami Hiramatsu 404ea42b18SMasami Hiramatsu struct probe_finder { 414235b045SMasami Hiramatsu struct perf_probe_event *pev; /* Target probe event */ 42cf6eb489SMasami Hiramatsu 43cf6eb489SMasami Hiramatsu /* Callback when a probe point is found */ 44cf6eb489SMasami Hiramatsu int (*callback)(Dwarf_Die *sp_die, struct probe_finder *pf); 454ea42b18SMasami Hiramatsu 464ea42b18SMasami Hiramatsu /* For function searching */ 47eed05fe7SArnaldo Carvalho de Melo int lno; /* Line number */ 484ea42b18SMasami Hiramatsu Dwarf_Addr addr; /* Address */ 494235b045SMasami Hiramatsu const char *fname; /* Real file name */ 50b0ef0732SMasami Hiramatsu Dwarf_Die cu_die; /* Current CU */ 514235b045SMasami Hiramatsu struct list_head lcache; /* Line cache for lazy match */ 524ea42b18SMasami Hiramatsu 534ea42b18SMasami Hiramatsu /* For variable searching */ 547752f1b0SMasami Hiramatsu #if _ELFUTILS_PREREQ(0, 142) 55a34a9854SMasami Hiramatsu Dwarf_CFI *cfi; /* Call Frame Information */ 567752f1b0SMasami Hiramatsu #endif 57804b3606SMasami Hiramatsu Dwarf_Op *fb_ops; /* Frame base attribute */ 584235b045SMasami Hiramatsu struct perf_probe_arg *pvar; /* Current target variable */ 590e60836bSSrikar Dronamraju struct probe_trace_arg *tvar; /* Current result variable */ 604ea42b18SMasami Hiramatsu }; 61631c9defSMasami Hiramatsu 62cf6eb489SMasami Hiramatsu struct trace_event_finder { 63cf6eb489SMasami Hiramatsu struct probe_finder pf; 64cf6eb489SMasami Hiramatsu struct probe_trace_event *tevs; /* Found trace events */ 65cf6eb489SMasami Hiramatsu int ntevs; /* Number of trace events */ 66cf6eb489SMasami Hiramatsu int max_tevs; /* Max number of trace events */ 67cf6eb489SMasami Hiramatsu }; 68cf6eb489SMasami Hiramatsu 69cf6eb489SMasami Hiramatsu struct available_var_finder { 70cf6eb489SMasami Hiramatsu struct probe_finder pf; 71cf6eb489SMasami Hiramatsu struct variable_list *vls; /* Found variable lists */ 72cf6eb489SMasami Hiramatsu int nvls; /* Number of variable lists */ 73cf6eb489SMasami Hiramatsu int max_vls; /* Max no. of variable lists */ 74fb8c5a56SMasami Hiramatsu bool externs; /* Find external vars too */ 75fb8c5a56SMasami Hiramatsu bool child; /* Search child scopes */ 76cf6eb489SMasami Hiramatsu }; 77cf6eb489SMasami Hiramatsu 78631c9defSMasami Hiramatsu struct line_finder { 79631c9defSMasami Hiramatsu struct line_range *lr; /* Target line range */ 80631c9defSMasami Hiramatsu 81804b3606SMasami Hiramatsu const char *fname; /* File name */ 82804b3606SMasami Hiramatsu int lno_s; /* Start line number */ 83804b3606SMasami Hiramatsu int lno_e; /* End line number */ 84631c9defSMasami Hiramatsu Dwarf_Die cu_die; /* Current CU */ 85631c9defSMasami Hiramatsu int found; 86631c9defSMasami Hiramatsu }; 87631c9defSMasami Hiramatsu 884b4da7f7SMasami Hiramatsu #endif /* DWARF_SUPPORT */ 894ea42b18SMasami Hiramatsu 904ea42b18SMasami Hiramatsu #endif /*_PROBE_FINDER_H */ 91