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Increase stack size to 128k and guard size to 16k

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This improves our compatibility with Apple M1.
This commit is contained in:
Justine Tunney 2022-12-18 22:58:29 -08:00
parent 57c0dcdc29
commit dd04aeba1c
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GPG key ID: BE714B4575D6E328
36 changed files with 109 additions and 125 deletions
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8
libc/runtime/mmap.c
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@ -381,10 +381,10 @@ static noasan inline void *Mmap(void *addr, size_t size, int prot, int flags,
// however this 1mb behavior oddly enough is smart enough to not
// apply if the mapping is a manually-created guard page.
int e = errno;
if ((dm = sys_mmap(p + size - PAGESIZE, PAGESIZE, prot,
if ((dm = sys_mmap(p + size - GUARDSIZE, GUARDSIZE, prot,
f | MAP_GROWSDOWN_linux, fd, off))
.addr != MAP_FAILED) {
_npassert(sys_mmap(p, PAGESIZE, PROT_NONE,
_npassert(sys_mmap(p, GUARDSIZE, PROT_NONE,
MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0)
.addr == p);
dm.addr = p;
@ -412,11 +412,11 @@ static noasan inline void *Mmap(void *addr, size_t size, int prot, int flags,
if (needguard) {
if (!IsWindows()) {
// make windows fork() code simpler
mprotect(p, PAGESIZE, PROT_NONE);
mprotect(p, GUARDSIZE, PROT_NONE);
}
if (IsAsan()) {
__repstosb((void *)(((intptr_t)p >> 3) + 0x7fff8000),
kAsanStackOverflow, PAGESIZE / 8);
kAsanStackOverflow, GUARDSIZE / 8);
}
}
}