/* $Id$ */ /* maps from address to filename-lineno pair and reverse, maps from filename-lineno pair or address to scope. */ typedef unsigned int t_lineno; typedef long t_addr; #define ILL_ADDR ((t_addr) -1) #define NO_ADDR ((t_addr) 0) typedef struct pos { t_lineno lineno; char *filename; } t_position, *p_position; /* extern p_position get_position_from_addr(t_addr t); Returns a pointer to a structure containing the source position of the code at address 't'. 0 is returned if no source position could be found. */ extern p_position get_position_from_addr(); /* extern t_addr get_addr_from_position(p_position p); Returns the address of the code at position 'p', or ILL_ADDR if it could not be found. If there is no symbolic information for the filename in position 'p', an error message will be given. */ extern t_addr get_addr_from_position(); /* extern add_position_addr(char *filename, struct outname *n); Adds the ('filename','n'->on_desc),'n'->on_valu pair to the mapping information. */ extern add_position_addr(); /* extern p_position print_position(t_addr a, int print_function); Prints position 'a' and returns it. If 'print_function' is set, an attempt is made to print the function name as well. */ extern p_position print_position();