mirror of
git://git.musl-libc.org/musl
synced 2024-12-13 18:25:52 +00:00
0ba35d69c0
commit a603a75a72 did this for the
public pthread_self function but not the internal inline one.
31 lines
681 B
C
31 lines
681 B
C
#if ((__ARM_ARCH_6K__ || __ARM_ARCH_6ZK__) && !__thumb__) \
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|| __ARM_ARCH_7A__ || __ARM_ARCH_7R__ || __ARM_ARCH >= 7
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static inline pthread_t __pthread_self()
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{
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char *p;
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__asm__( "mrc p15,0,%0,c13,c0,3" : "=r"(p) );
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return (void *)(p+8-sizeof(struct pthread));
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}
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#else
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static inline pthread_t __pthread_self()
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{
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#ifdef __clang__
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char *p;
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__asm__( "bl __a_gettp\n\tmov %0,r0" : "=r"(p) : : "cc", "r0", "lr" );
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#else
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register char *p __asm__("r0");
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__asm__( "bl __a_gettp" : "=r"(p) : : "cc", "lr" );
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#endif
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return (void *)(p+8-sizeof(struct pthread));
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}
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#endif
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#define TLS_ABOVE_TP
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#define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread) - 8)
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#define CANCEL_REG_IP 18
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