mirror of git://git.musl-libc.org/musl
20 lines
520 B
C
20 lines
520 B
C
static inline struct pthread *__pthread_self()
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{
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#ifdef __clang__
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char *tp;
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__asm__ __volatile__ (".word 0x7c03e83b ; move %0, $3" : "=r" (tp) : : "$3" );
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#else
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register char *tp __asm__("$3");
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/* rdhwr $3,$29 */
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__asm__ __volatile__ (".word 0x7c03e83b" : "=r" (tp) );
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#endif
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return (pthread_t)(tp - 0x7000 - sizeof(struct pthread));
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}
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#define TLS_ABOVE_TP
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#define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread) + 0x7000)
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#define DTP_OFFSET 0x8000
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#define CANCEL_REG_IP (3-(union {int __i; char __b;}){1}.__b)
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