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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 == '\\') {

7
third_party/third_party.mk vendored
View file

@ -1,15 +1,10 @@
#-*-mode:makefile-gmake;indent-tabs-mode:t;tab-width:8;coding:utf-8-*-┐
#───vi: set et ft=make ts=8 tw=8 fenc=utf-8 :vi───────────────────────┘
# TODO(jart): make chibicc compiled chibicc work with asan runtime
ifneq ($(MODE),dbg)
THIRD_PARTY_CHIBICC_XXX = o/$(MODE)/third_party/chibicc
endif
.PHONY: o/$(MODE)/third_party
o/$(MODE)/third_party: \
o/$(MODE)/third_party/blas \
$(THIRD_PARTY_CHIBICC_XXX) \
o/$(MODE)/third_party/chibicc \
o/$(MODE)/third_party/compiler_rt \
o/$(MODE)/third_party/dlmalloc \
o/$(MODE)/third_party/gdtoa \