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fixes for M1; disable interpose use zones; fix pedantic warnings

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Daan Leijen 2021-06-17 19:15:09 -07:00
parent c8b5b74500
commit a83bca72b3
6 changed files with 48 additions and 51 deletions
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7
include/mimalloc-internal.h
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@ -713,6 +713,7 @@ static inline void* mi_tls_slot(size_t slot) mi_attr_noexcept {
void** tcb; UNUSED(ofs);
#if defined(__APPLE__) // M1, issue #343
__asm__ volatile ("mrs %0, tpidrro_el0" : "=r" (tcb));
tcb = (void**)((uintptr_t)tcb & ~0x07UL); // clear lower 3 bits
#else
__asm__ volatile ("mrs %0, tpidr_el0" : "=r" (tcb));
#endif
@ -740,6 +741,7 @@ static inline void mi_tls_slot_set(size_t slot, void* value) mi_attr_noexcept {
void** tcb; UNUSED(ofs);
#if defined(__APPLE__) // M1, issue #343
__asm__ volatile ("mrs %0, tpidrro_el0" : "=r" (tcb));
tcb = (void**)((uintptr_t)tcb & ~0x07UL); // clear lower 3 bits
#else
__asm__ volatile ("mrs %0, tpidr_el0" : "=r" (tcb));
#endif
@ -748,10 +750,7 @@ static inline void mi_tls_slot_set(size_t slot, void* value) mi_attr_noexcept {
}
static inline uintptr_t _mi_thread_id(void) mi_attr_noexcept {
#if defined(__aarch64__) && defined(__APPLE__) // M1
// on macOS on the M1, slot 0 does not seem to work, so we fall back to portable C for now. See issue #354
return (uintptr_t)&_mi_heap_default;
#elif defined(__BIONIC__) && (defined(__arm__) || defined(__aarch64__))
#if defined(__BIONIC__) && (defined(__arm__) || defined(__aarch64__))
// on Android, slot 1 is the thread ID (pointer to pthread internal struct)
return (uintptr_t)mi_tls_slot(1);
#else