--- trunk/mkinitrd-magellan/busybox/include/busybox.h 2009/04/24 18:32:46 815 +++ trunk/mkinitrd-magellan/busybox/include/busybox.h 2009/04/24 18:33:46 816 @@ -9,41 +9,70 @@ #include "libbb.h" -/* order matters: used as index into "install_dir[]" in busybox.c */ -enum Location { +#if __GNUC_PREREQ(4,1) +# pragma GCC visibility push(hidden) +#endif + +/* order matters: used as index into "install_dir[]" in appletlib.c */ +typedef enum bb_install_loc_t { _BB_DIR_ROOT = 0, _BB_DIR_BIN, _BB_DIR_SBIN, _BB_DIR_USR_BIN, _BB_DIR_USR_SBIN -}; +} bb_install_loc_t; -enum SUIDRoot { +typedef enum bb_suid_t { _BB_SUID_NEVER = 0, _BB_SUID_MAYBE, _BB_SUID_ALWAYS -}; +} bb_suid_t; + + +/* Defined in appletlib.c (by including generated applet_tables.h) */ +/* Keep in sync with applets/applet_tables.c! */ +extern const char applet_names[]; +extern int (*const applet_main[])(int argc, char **argv); +extern const uint16_t applet_nameofs[]; +extern const uint8_t applet_install_loc[]; + +#if ENABLE_FEATURE_SUID || ENABLE_FEATURE_PREFER_APPLETS +#define APPLET_NAME(i) (applet_names + (applet_nameofs[i] & 0x0fff)) +#else +#define APPLET_NAME(i) (applet_names + applet_nameofs[i]) +#endif + +#if ENABLE_FEATURE_PREFER_APPLETS +#define APPLET_IS_NOFORK(i) (applet_nameofs[i] & (1 << 12)) +#define APPLET_IS_NOEXEC(i) (applet_nameofs[i] & (1 << 13)) +#endif + +#if ENABLE_FEATURE_SUID +#define APPLET_SUID(i) ((applet_nameofs[i] >> 14) & 0x3) +#endif + +#if ENABLE_FEATURE_INSTALLER +#define APPLET_INSTALL_LOC(i) ({ \ + unsigned v = (i); \ + if (v & 1) v = applet_install_loc[v/2] >> 4; \ + else v = applet_install_loc[v/2] & 0xf; \ + v; }) +#endif + -struct BB_applet { - const char *name; - int (*main) (int argc, char **argv); - __extension__ enum Location location:4; - __extension__ enum SUIDRoot need_suid:4; -}; - -/* From busybox.c and applet.c */ -extern int busybox_main(int argc, char **argv); -extern const struct BB_applet applets[]; -extern const unsigned short NUM_APPLETS; - -/* Automagically pull in all the applet function prototypes and - * applet usage strings. These are all of the form: - * extern int foo_main(int argc, char **argv); - * extern const char foo_usage[]; - * These are all autogenerated from the set of currently defined applets. +/* Length of these names has effect on size of libbusybox + * and "individual" binaries. Keep them short. */ -#define PROTOTYPES -#include "applets.h" -#undef PROTOTYPES +#if ENABLE_BUILD_LIBBUSYBOX +#if ENABLE_FEATURE_SHARED_BUSYBOX +int lbb_main(char **argv) EXTERNALLY_VISIBLE; +#else +int lbb_main(char **argv); +#endif +#endif + +#if __GNUC_PREREQ(4,1) +# pragma GCC visibility pop +#endif -#endif /* _BB_INTERNAL_H_ */ +#endif /* _BB_INTERNAL_H_ */