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Make improvements

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- Make rand64() thread safe
- Introduce lemur64 lcg prng
- Improve strace on New Technology
- Improve msync() on New Technology
This commit is contained in:
Justine Tunney 2022-04-07 00:15:35 -07:00
parent 43ba3009b2
commit 29bf8b1a30
73 changed files with 888 additions and 269 deletions
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4
test/libc/intrin/kprintf_test.c
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@ -42,7 +42,7 @@
*/
static uint64_t Rando(void) {
uint64_t x;
do x = vigna();
do x = lemur64();
while (((x ^ READ64LE("!!!!!!!!")) - 0x0101010101010101) &
~(x ^ READ64LE("!!!!!!!!")) & 0x8080808080808080);
return x;
@ -225,7 +225,7 @@ TEST(ksnprintf, fuzzTheUnbreakable) {
x = Rando();
memcpy(f + 8, &x, sizeof(x));
f[Rando() & 15] = '%';
ksnprintf(b, sizeof(b), f, vigna(), vigna(), vigna());
ksnprintf(b, sizeof(b), f, lemur64(), lemur64(), lemur64());
}
EXPECT_SYS(0, 0, mprotect(f, PAGESIZE, PROT_READ));
}