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Implement more security stuff

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- Support deterministic stacks on OpenBSD
- Support OpenBSD system call origin verification
- Fix overrun by one in chibicc string token allocator
- Get all chibicc tests passing under Address Sanitizer
This commit is contained in:
Justine Tunney 2021-02-02 20:21:06 -08:00
parent cbfd4ccd1e
commit c843243322
56 changed files with 376 additions and 245 deletions
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2
third_party/chibicc/tokenize.c vendored
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@ -275,7 +275,7 @@ static Token *read_string_literal(char *start, char *quote) {
// is called a "surrogate pair".
static Token *read_utf16_string_literal(char *start, char *quote) {
char *end = string_literal_end(quote + 1);
uint16_t *buf = calloc(2, end - start - 1);
uint16_t *buf = calloc(2, end - start);
int len = 0;
for (char *p = quote + 1; p < end;) {
if (*p == '\\') {