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- wcsstr() is now linearly complex
- strstr16() is now linearly complex
- strstr() is now vectorized on aarch64 (10x)
- strstr() now uses KMP on pathological cases
- memmem() is now vectorized on aarch64 (10x)
- memmem() now uses KMP on pathological cases
- Disable shared_ptr::owner_before until fixed
- Make iswlower(), iswupper() consistent with glibc
- Remove figure space from iswspace() implementation
- Include line and paragraph separator in iswcntrl()
- Use Musl wcwidth(), iswalpha(), iswpunct(), towlower(), towupper()
This commit is contained in:
Justine Tunney 2024-09-01 01:14:40 -07:00
parent e1528a71e2
commit 7c83f4abc8
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GPG key ID: BE714B4575D6E328
67 changed files with 5602 additions and 5165 deletions
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12
libc/runtime/getsymbol.c
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@ -33,24 +33,22 @@ privileged int __get_symbol(struct SymbolTable *t, intptr_t a) {
// we don't want function tracing because:
// function tracing depends on this function via kprintf
unsigned l, m, r, n, k;
if (!t && __symtab) {
if (!t && __symtab)
t = __symtab;
}
if (t) {
l = 0;
r = n = t->count;
k = a - t->addr_base;
while (l < r) {
m = (l & r) + ((l ^ r) >> 1); // floor((a+b)/2)
if (t->symbols[m].y < k) {
if (k < t->symbols[m].x) {
r = m;
} else if (k > t->symbols[m].y) {
l = m + 1;
} else {
r = m;
return m;
}
}
if (l < n && t->symbols[l].x <= k && k <= t->symbols[l].y) {
return l;
}
}
return -1;
}