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Make some minor fixups to bug reporting, etc.

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This commit is contained in:
Justine Tunney 2022-07-11 05:55:17 -07:00
parent 84764ce7b8
commit 3f015b1e51
31 changed files with 244 additions and 134 deletions
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12
libc/intrin/asan.c
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@ -195,7 +195,8 @@ static uint64_t __asan_roundup2pow(uint64_t x) {
static char *__asan_utf8cpy(char *p, unsigned c) {
uint64_t z;
z = tpenc(c);
do *p++ = z;
do
*p++ = z;
while ((z >>= 8));
return p;
}
@ -946,7 +947,8 @@ static void __asan_trace(struct AsanTrace *bt, const struct StackFrame *bp) {
if (!__asan_checka(SHADOW(bp), sizeof(*bp) >> 3).kind) {
addr = bp->addr;
if (addr == weakaddr("__gc") && weakaddr("__gc")) {
do --gi;
do
--gi;
while ((addr = garbage->p[gi].ret) == weakaddr("__gc"));
}
bt->p[i] = addr;
@ -1197,7 +1199,7 @@ void __asan_stack_free(char *p, size_t size, int classid) {
}
void __asan_handle_no_return(void) {
__asan_unpoison(GetStackAddr(0), GetStackSize());
__asan_unpoison((void *)GetStackAddr(), GetStackSize());
}
void __asan_register_globals(struct AsanGlobal g[], int n) {
@ -1379,8 +1381,8 @@ static textstartup void __asan_shadow_mapping(struct MemoryIntervals *m,
static textstartup void __asan_shadow_existing_mappings(void) {
__asan_shadow_mapping(&_mmi, 0);
__asan_map_shadow((intptr_t)GetStackAddr(0), GetStackSize());
__asan_poison(GetStackAddr(0), PAGESIZE, kAsanStackOverflow);
__asan_map_shadow(GetStackAddr(), GetStackSize());
__asan_poison((void *)GetStackAddr(), PAGESIZE, kAsanStackOverflow);
}
textstartup void __asan_init(int argc, char **argv, char **envp,