#ifndef CALLBACK_H #define CALLBACK_H typedef struct host_callback_struct host_callback; #define MAX_CALLBACK_FDS 10 struct host_callback_struct { int (*close) PARAMS ((host_callback *,int)); int (*get_errno) PARAMS ((host_callback *)); int (*isatty) PARAMS ((host_callback *, int)); int (*lseek) PARAMS ((host_callback *, int, long , int)); int (*open) PARAMS ((host_callback *, const char*, int mode)); int (*read) PARAMS ((host_callback *,int, char *, int)); int (*read_stdin) PARAMS (( host_callback *, char *, int)); int (*rename) PARAMS ((host_callback *, const char *, const char *)); int (*system) PARAMS ((host_callback *, const char *)); long (*time) PARAMS ((host_callback *, long *)); int (*unlink) PARAMS ((host_callback *, const char *)); int (*write) PARAMS ((host_callback *,int, const char *, int)); int (*write_stdout) PARAMS ((host_callback *, const char *, int)); /* Used when the target has gone away, so we can close open handles and free memory etc etc. */ int (*shutdown) PARAMS ((host_callback *)); int (*init) PARAMS ((host_callback *)); /* Talk to the user on a console. */ void (*printf_filtered) PARAMS ((host_callback *, const char *, ...)); /* Print an error message and "exit". In the case of gdb "exiting" means doing a longjmp back to the main command loop. */ void (*error) PARAMS ((host_callback *, const char *, ...)); int last_errno; /* host format */ int fdmap[MAX_CALLBACK_FDS]; char fdopen[MAX_CALLBACK_FDS]; char alwaysopen[MAX_CALLBACK_FDS]; }; extern host_callback default_callback; /* Mapping of host/target values. */ /* ??? For debugging purposes, one might want to add a string of the name of the symbol. */ typedef struct { int host_val; int target_val; } target_defs_map; extern target_defs_map errno_map[]; extern target_defs_map open_map[]; extern int host_to_target_errno PARAMS ((int)); extern int target_to_host_open PARAMS ((int)); #endif