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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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4
libc/runtime/arch_prctl.c
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@@ -95,7 +95,7 @@ static int arch_prctl$freebsd(int code, int64_t addr) {
}
}
static int arch_prctl$xnu(int code, int64_t addr) {
static textsyscall int arch_prctl$xnu(int code, int64_t addr) {
int ax;
switch (code) {
case ARCH_SET_GS:
@@ -113,7 +113,7 @@ static int arch_prctl$xnu(int code, int64_t addr) {
}
}
static int arch_prctl$openbsd(int code, int64_t addr) {
static textsyscall int arch_prctl$openbsd(int code, int64_t addr) {
int64_t rax;
switch (code) {
case ARCH_GET_FS: