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Make fixes, improvements, and chibicc python bindings

Browse source 
- python now mixes audio 10x faster
- python octal notation is restored
- chibicc now builds code 3x faster
- chibicc now has help documentation
- chibicc can now generate basic python bindings
- linenoise now supports some paredit-like features

See #141
This commit is contained in:
Justine Tunney 2021-10-08 08:11:51 -07:00
parent 28997f3acb
commit 7061c79c22
121 changed files with 5272 additions and 1928 deletions
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30
libc/intrin/asan.c
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@ -871,16 +871,16 @@ static size_t __asan_malloc_usable_size(const void *p) {
static void __asan_deallocate(char *p, long kind) {
size_t c, n;
if ((c = weaken(dlmalloc_usable_size)(p)) >= 8) {
if (__asan_read48(p + c - 8, &n) && n <= c) {
__asan_poison((uintptr_t)p, c, kind);
if (c <= FRAMESIZE) {
p = __asan_morgue_add(p);
}
weaken(dlfree)(p);
} else {
__asan_report_invalid_pointer(p);
if (__asan_is_mapped((intptr_t)p >> 16) &&
(((intptr_t)p >> 16) == ((intptr_t)(p - 16) >> 16) ||
__asan_is_mapped((intptr_t)(p - 16) >> 16)) &&
(c = weaken(dlmalloc_usable_size)(p)) >= 8 &&
__asan_read48(p + c - 8, &n) && n <= c) {
__asan_poison((uintptr_t)p, c, kind);
if (c <= FRAMESIZE) {
p = __asan_morgue_add(p);
}
weaken(dlfree)(p);
} else {
__asan_report_invalid_pointer(p);
}
@ -891,6 +891,17 @@ void __asan_free(void *p) {
__asan_deallocate(p, kAsanHeapFree);
}
size_t __asan_bulk_free(void *p[], size_t n) {
size_t i;
for (i = 0; i < n; ++i) {
if (p[i]) {
__asan_deallocate(p[i], kAsanHeapFree);
p[i] = 0;
}
}
return 0;
}
void *__asan_memalign(size_t align, size_t size) {
return __asan_allocate(align, size, kAsanHeapUnderrun, kAsanHeapOverrun);
}
@ -1058,6 +1069,7 @@ void __asan_install_malloc_hooks(void) {
HOOK(hook_pvalloc, __asan_pvalloc);
HOOK(hook_realloc, __asan_realloc);
HOOK(hook_memalign, __asan_memalign);
HOOK(hook_bulk_free, __asan_bulk_free);
HOOK(hook_malloc_trim, __asan_malloc_trim);
HOOK(hook_realloc_in_place, __asan_realloc_in_place);
HOOK(hook_malloc_usable_size, __asan_malloc_usable_size);