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Introduce SIP_DISABLED compile option for ape-m1.c

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Systems that don't use SIP can now build APE Loader with this flag to
get a performance speedup.
This commit is contained in:
Justine Tunney 2023-11-13 22:04:05 -08:00
parent 0283f2772c
commit 1c2e7c1333
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GPG key ID: BE714B4575D6E328
2 changed files with 35 additions and 18 deletions
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17
libc/log/libfatal.internal.h
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@ -32,8 +32,11 @@ __funline void *__repstosb(void *di, char al, size_t cx) {
: "0"(di), "1"(cx), "a"(al));
return di;
#else
volatile char *volatile d = di;
while (cx--) *d++ = al;
char *d = di;
while (cx--) {
*d++ = al;
asm volatile("" ::: "memory");
}
return (void *)d;
#endif
}
@ -45,9 +48,12 @@ __funline void *__repmovsb(void *di, const void *si, size_t cx) {
: "0"(di), "1"(si), "2"(cx), "m"(*(char(*)[cx])si));
return di;
#else
volatile char *volatile d = di;
volatile const char *volatile s = si;
while (cx--) *d++ = *s++;
char *d = di;
const char *s = si;
while (cx--) {
*d++ = *s++;
asm volatile("" ::: "memory");
}
return (void *)d;
#endif
}
@ -56,6 +62,7 @@ __funline void *__mempcpy(void *d, const void *s, size_t n) {
size_t i;
for (i = 0; i < n; ++i) {
((char *)d)[i] = ((const char *)s)[i];
asm volatile("" ::: "memory");
}
return (char *)d + n;
}