ash: move stuff out of data/bss

text    data     bss     dec     hex filename
 807939     611    6900  815450   c715a busybox_old
 807935     611    6884  815430   c7146 busybox_unstripped
This commit is contained in:
Denis Vlasenko 2008-06-27 00:23:18 +00:00
parent 9092f754bd
commit 843cbd54d1

View File

@ -110,27 +110,6 @@ static const char *const optletters_optnames[] = {
enum { NOPTS = ARRAY_SIZE(optletters_optnames) };
static char optlist[NOPTS] ALIGN1;
#define eflag optlist[0]
#define fflag optlist[1]
#define Iflag optlist[2]
#define iflag optlist[3]
#define mflag optlist[4]
#define nflag optlist[5]
#define sflag optlist[6]
#define xflag optlist[7]
#define vflag optlist[8]
#define Cflag optlist[9]
#define aflag optlist[10]
#define bflag optlist[11]
#define uflag optlist[12]
#define viflag optlist[13]
#if DEBUG
#define nolog optlist[14]
#define debug optlist[15]
#endif
/* ============ Misc data */
@ -183,10 +162,30 @@ struct globals_misc {
#define EXEXIT 4 /* exit the shell */
#define EXSIG 5 /* trapped signal in wait(1) */
/* trap handler commands */
smallint isloginsh;
char *trap[NSIG];
char nullstr[1]; /* zero length string */
char optlist[NOPTS];
#define eflag optlist[0]
#define fflag optlist[1]
#define Iflag optlist[2]
#define iflag optlist[3]
#define mflag optlist[4]
#define nflag optlist[5]
#define sflag optlist[6]
#define xflag optlist[7]
#define vflag optlist[8]
#define Cflag optlist[9]
#define aflag optlist[10]
#define bflag optlist[11]
#define uflag optlist[12]
#define viflag optlist[13]
#if DEBUG
#define nolog optlist[14]
#define debug optlist[15]
#endif
/* trap handler commands */
/*
* Sigmode records the current value of the signal handlers for the various
* modes. A value of zero means that the current handler is not known.
@ -201,6 +200,7 @@ struct globals_misc {
/* indicates specified signal received */
char gotsig[NSIG - 1];
char *trap[NSIG];
};
extern struct globals_misc *const ash_ptr_to_globals_misc;
#define G_misc (*ash_ptr_to_globals_misc)
@ -217,10 +217,11 @@ extern struct globals_misc *const ash_ptr_to_globals_misc;
//#define exsig (G_misc.exsig )
#define pendingsig (G_misc.pendingsig )
#define isloginsh (G_misc.isloginsh)
#define trap (G_misc.trap )
#define nullstr (G_misc.nullstr )
#define optlist (G_misc.optlist )
#define sigmode (G_misc.sigmode )
#define gotsig (G_misc.gotsig )
#define trap (G_misc.trap )
#define INIT_G_misc() do { \
(*(struct globals_misc**)&ash_ptr_to_globals_misc) = xzalloc(sizeof(G_misc)); \
barrier(); \
@ -237,11 +238,10 @@ extern struct globals_misc *const ash_ptr_to_globals_misc;
* much more efficient and portable. (But hacking the kernel is so much
* more fun than worrying about efficiency and portability. :-))
*/
#define INT_OFF \
do { \
#define INT_OFF do { \
suppressint++; \
xbarrier(); \
} while (0)
} while (0)
/*
* Called to raise an exception. Since C doesn't include exceptions, we
@ -311,30 +311,27 @@ force_int_on(void)
}
#define FORCE_INT_ON force_int_on()
#else
#define INT_ON \
do { \
#define INT_ON do { \
xbarrier(); \
if (--suppressint == 0 && intpending) \
raise_interrupt(); \
} while (0)
#define FORCE_INT_ON \
do { \
} while (0)
#define FORCE_INT_ON do { \
xbarrier(); \
suppressint = 0; \
if (intpending) \
raise_interrupt(); \
} while (0)
} while (0)
#endif /* ASH_OPTIMIZE_FOR_SIZE */
#define SAVE_INT(v) ((v) = suppressint)
#define RESTORE_INT(v) \
do { \
#define RESTORE_INT(v) do { \
xbarrier(); \
suppressint = (v); \
if (suppressint == 0 && intpending) \
raise_interrupt(); \
} while (0)
} while (0)
/*
* Ignore a signal. Only one usage site - in forkchild()
@ -985,9 +982,7 @@ struct strlist {
char *text;
};
#if ENABLE_ASH_ALIAS
struct alias;
#endif
struct strpush {
struct strpush *prev; /* preceding string on stack */
@ -1452,21 +1447,19 @@ _STPUTC(int c, char *p)
#define STARTSTACKSTR(p) ((p) = stackblock())
#define STPUTC(c, p) ((p) = _STPUTC((c), (p)))
#define CHECKSTRSPACE(n, p) \
do { \
#define CHECKSTRSPACE(n, p) do { \
char *q = (p); \
size_t l = (n); \
size_t m = sstrend - q; \
if (l > m) \
(p) = makestrspace(l, q); \
} while (0)
} while (0)
#define USTPUTC(c, p) (*(p)++ = (c))
#define STACKSTRNUL(p) \
do { \
#define STACKSTRNUL(p) do { \
if ((p) == sstrend) \
(p) = growstackstr(); \
*(p) = '\0'; \
} while (0)
} while (0)
#define STUNPUTC(p) (--(p))
#define STTOPC(p) ((p)[-1])
#define STADJUST(amount, p) ((p) += (amount))