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Add pipelining to cocmd

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This commit is contained in:
Justine Tunney 2022-07-15 20:47:20 -07:00
parent b4e38851ff
commit aa34340f3d
4 changed files with 90 additions and 68 deletions
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11
libc/runtime/mapstack.c
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@ -26,12 +26,6 @@
#include "libc/sysv/consts/map.h"
#include "libc/sysv/consts/prot.h"
static char *_stkbase;
__attribute__((__constructor__)) static void init(void) {
_stkbase = (char *)kFixedmapStart;
}
/**
* Allocates stack.
*
@ -47,13 +41,12 @@ __attribute__((__constructor__)) static void init(void) {
*/
void *_mapstack(void) {
char *p;
if ((p = mmap(_stkbase, GetStackSize(), PROT_READ | PROT_WRITE,
MAP_STACK | MAP_ANONYMOUS | MAP_FIXED, -1, 0)) != MAP_FAILED) {
if ((p = mmap(0, GetStackSize(), PROT_READ | PROT_WRITE,
MAP_STACK | MAP_ANONYMOUS, -1, 0)) != MAP_FAILED) {
if (IsAsan()) {
__asan_poison(p + GetStackSize() - 16, 16, kAsanStackOverflow);
__asan_poison(p, 4096, kAsanStackOverflow);
}
_stkbase += GetStackSize() * 4;
return p;
} else {
return 0;