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author | Denis Vlasenko <vda.linux@googlemail.com> | 2007-11-28 06:49:03 +0000 |
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committer | Denis Vlasenko <vda.linux@googlemail.com> | 2007-11-28 06:49:03 +0000 |
commit | 1aa7e477b1b727db77cac2d717f0fcca40587f78 (patch) | |
tree | 247171517f0e01d32a71a5e96f4bef462cc0e9c6 /include/busybox.h | |
parent | 79c6904faff1ebd4bf4b7d9cd0c20ca70f4cec75 (diff) | |
download | busybox-w32-1aa7e477b1b727db77cac2d717f0fcca40587f78.tar.gz busybox-w32-1aa7e477b1b727db77cac2d717f0fcca40587f78.tar.bz2 busybox-w32-1aa7e477b1b727db77cac2d717f0fcca40587f78.zip |
reorganize applet table. Eliminates pointers to names.
Should be a big win for libbusybox. busybox wins too:
text data bss dec hex filename
776524 929 9100 786553 c0079 busybox_old
775903 929 9100 785932 bfe0c busybox_unstripped
Diffstat (limited to 'include/busybox.h')
-rw-r--r-- | include/busybox.h | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/include/busybox.h b/include/busybox.h index 7ef36901a..f99901aa3 100644 --- a/include/busybox.h +++ b/include/busybox.h | |||
@@ -9,8 +9,7 @@ | |||
9 | 9 | ||
10 | #include "libbb.h" | 10 | #include "libbb.h" |
11 | 11 | ||
12 | #if ENABLE_FEATURE_INSTALLER | 12 | /* order matters: used as index into "install_dir[]" in appletlib.c */ |
13 | /* order matters: used as index into "install_dir[]" in busybox.c */ | ||
14 | typedef enum bb_install_loc_t { | 13 | typedef enum bb_install_loc_t { |
15 | _BB_DIR_ROOT = 0, | 14 | _BB_DIR_ROOT = 0, |
16 | _BB_DIR_BIN, | 15 | _BB_DIR_BIN, |
@@ -18,40 +17,41 @@ typedef enum bb_install_loc_t { | |||
18 | _BB_DIR_USR_BIN, | 17 | _BB_DIR_USR_BIN, |
19 | _BB_DIR_USR_SBIN | 18 | _BB_DIR_USR_SBIN |
20 | } bb_install_loc_t; | 19 | } bb_install_loc_t; |
21 | #endif | ||
22 | 20 | ||
23 | #if ENABLE_FEATURE_SUID | ||
24 | typedef enum bb_suid_t { | 21 | typedef enum bb_suid_t { |
25 | _BB_SUID_NEVER = 0, | 22 | _BB_SUID_NEVER = 0, |
26 | _BB_SUID_MAYBE, | 23 | _BB_SUID_MAYBE, |
27 | _BB_SUID_ALWAYS | 24 | _BB_SUID_ALWAYS |
28 | } bb_suid_t; | 25 | } bb_suid_t; |
29 | #endif | ||
30 | 26 | ||
31 | struct bb_applet { | 27 | |
32 | const char *name; | 28 | /* Defined in appletlib.c (by including generated applet_tables.h) */ |
33 | int (*main) (int argc, char **argv); | 29 | /* Keep in sync with applets/applet_tables.c! */ |
34 | #if ENABLE_FEATURE_INSTALLER | 30 | extern const char applet_names[]; |
35 | __extension__ enum bb_install_loc_t install_loc:8; | 31 | extern int (*const applet_mains[])(int argc, char **argv); |
32 | |||
33 | #if ENABLE_FEATURE_INSTALLER || ENABLE_FEATURE_PREFER_APPLETS | ||
34 | extern const uint32_t applet_nameofs[]; | ||
35 | #else | ||
36 | extern const uint16_t applet_nameofs[]; | ||
36 | #endif | 37 | #endif |
38 | |||
37 | #if ENABLE_FEATURE_SUID | 39 | #if ENABLE_FEATURE_SUID |
38 | __extension__ enum bb_suid_t need_suid:8; | 40 | #define APPLET_NAME(i) (applet_names + (applet_nameofs[i] & 0x3fff)) |
41 | #define APPLET_SUID(i) ((applet_nameofs[i] >> 14) & 0x3) | ||
42 | #else | ||
43 | #define APPLET_NAME(i) (applet_names + (applet_nameofs[i] & 0xffff)) | ||
39 | #endif | 44 | #endif |
40 | #if ENABLE_FEATURE_PREFER_APPLETS | 45 | |
41 | /* true if instead of fork(); exec("applet"); waitpid(); | 46 | #if ENABLE_FEATURE_INSTALLER |
42 | * one can do fork(); exit(applet_main(argc,argv)); waitpid(); */ | 47 | #define APPLET_INSTALL_LOC(i) ((applet_nameofs[i] >> 16) & 0x7) |
43 | unsigned char noexec; | ||
44 | /* Even nicer */ | ||
45 | /* true if instead of fork(); exec("applet"); waitpid(); | ||
46 | * one can simply call applet_main(argc,argv); */ | ||
47 | unsigned char nofork; | ||
48 | #endif | 48 | #endif |
49 | }; | ||
50 | 49 | ||
50 | #if ENABLE_FEATURE_PREFER_APPLETS | ||
51 | #define APPLET_IS_NOFORK(i) (applet_nameofs[i] & (1 << 19)) | ||
52 | #define APPLET_IS_NOEXEC(i) (applet_nameofs[i] & (1 << 20)) | ||
53 | #endif | ||
51 | 54 | ||
52 | /* Defined in appletlib.c */ | ||
53 | extern const struct bb_applet applets[]; | ||
54 | extern const unsigned short NUM_APPLETS; | ||
55 | 55 | ||
56 | /* Length of these names has effect on size of libbusybox | 56 | /* Length of these names has effect on size of libbusybox |
57 | * and "individual" binaries. Keep them short. | 57 | * and "individual" binaries. Keep them short. |