mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-07-08 12:18:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Polyfill auxiliary values on XNU

Browse source
This commit is contained in:
Justine Tunney 2021-02-03 20:37:52 -08:00
parent a37960a3af
commit d934f38c99
6 changed files with 27 additions and 32 deletions
Download patch file Download diff file Expand all files Collapse all files

14
libc/intrin/asan.c
View file

@ -77,12 +77,11 @@ STATIC_YOINK("_init_asan");
} \
} while (0)
#define REQUIRE(FUNC) \
do { \
if (!weaken(FUNC)) { \
__asan_write_string("asan needs " #FUNC "\n"); \
__asan_exit(100); \
} \
#define REQUIRE(FUNC) \
do { \
if (!weaken(FUNC)) { \
__asan_die("error: asan needs " #FUNC "\n"); \
} \
} while (0)
struct AsanSourceLocation {
@ -448,7 +447,6 @@ static ssize_t __asan_write_string(const char *s) {
static wontreturn void __asan_abort(void) {
if (weaken(__die)) weaken(__die)();
if (weaken(abort)) weaken(abort)();
__asan_exit(134);
}
@ -753,7 +751,7 @@ void __asan_map_shadow(uintptr_t p, size_t n) {
weaken(TrackMemoryInterval)(
m, a, a, sm.maphandle, PROT_READ | PROT_WRITE,
MAP_PRIVATE | *weaken(MAP_ANONYMOUS) | MAP_FIXED) == -1) {
__asan_abort();
__asan_die("error: could not map asan shadow memory\n");
}
__asan_repstosb((void *)((uintptr_t)a << 16), kAsanUnmapped, 1 << 16);
}