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Use tpidrro_el0 for thread local storage in macOS-arm64

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Fixes #343
This commit is contained in:
Uwe L. Korn 2020-12-30 21:36:41 +01:00
parent 2ab0bb3536
commit ab3dac04c2
1 changed files with 8 additions and 0 deletions
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8
include/mimalloc-internal.h
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@ -707,7 +707,11 @@ static inline void* mi_tls_slot(size_t slot) mi_attr_noexcept {
res = tcb[slot]; res = tcb[slot];
#elif defined(__aarch64__) #elif defined(__aarch64__)
void** tcb; UNUSED(ofs); void** tcb; UNUSED(ofs);
#if defined(__MACH__)
__asm__ volatile ("mrs %0, tpidrro_el0" : "=r" (tcb));
#else
__asm__ volatile ("mrs %0, tpidr_el0" : "=r" (tcb)); __asm__ volatile ("mrs %0, tpidr_el0" : "=r" (tcb));
#endif
res = tcb[slot]; res = tcb[slot];
#endif #endif
return res; return res;
@ -730,7 +734,11 @@ static inline void mi_tls_slot_set(size_t slot, void* value) mi_attr_noexcept {
tcb[slot] = value; tcb[slot] = value;
#elif defined(__aarch64__) #elif defined(__aarch64__)
void** tcb; UNUSED(ofs); void** tcb; UNUSED(ofs);
#if defined(__MACH__)
__asm__ volatile ("mrs %0, tpidrro_el0" : "=r" (tcb));
#else
__asm__ volatile ("mrs %0, tpidr_el0" : "=r" (tcb)); __asm__ volatile ("mrs %0, tpidr_el0" : "=r" (tcb));
#endif
tcb[slot] = value; tcb[slot] = value;
#endif #endif
} }