#ifndef _PROBE_FINDER_H #define _PROBE_FINDER_H #define _stringify(n) #n #define stringify(n) _stringify(n) #ifdef DEBUG #define debug(fmt ...) \ fprintf(stderr, "DBG(" __FILE__ ":" stringify(__LINE__) "): " fmt) #else #define debug(fmt ...) do {} while (0) #endif #define ERR_IF(cnd) \ do { if (cnd) { \ fprintf(stderr, "Error (" __FILE__ ":" stringify(__LINE__) \ "): " stringify(cnd) "\n"); \ exit(1); \ } } while (0) #define MAX_PATH_LEN 256 #define MAX_PROBE_BUFFER 1024 #define MAX_PROBES 128 static inline int is_c_varname(const char *name) { /* TODO */ return isalpha(name[0]) || name[0] == '_'; } struct probe_point { /* Inputs */ char *file; /* File name */ int line; /* Line number */ char *function; /* Function name */ int offset; /* Offset bytes */ int nr_args; /* Number of arguments */ char **args; /* Arguments */ /* Output */ int found; /* Number of found probe points */ char *probes[MAX_PROBES]; /* Output buffers (will be allocated)*/ }; extern int find_probepoint(int fd, struct probe_point *pp); #include #include struct probe_finder { struct probe_point *pp; /* Target probe point */ /* For function searching */ Dwarf_Addr addr; /* Address */ Dwarf_Unsigned fno; /* File number */ Dwarf_Off inl_offs; /* Inline offset */ /* For variable searching */ Dwarf_Addr cu_base; /* Current CU base address */ Dwarf_Locdesc fbloc; /* Location of Current Frame Base */ const char *var; /* Current variable name */ char *buf; /* Current output buffer */ int len; /* Length of output buffer */ }; #endif /*_PROBE_FINDER_H */