musl/arch/mipsn32/pthread_arch.h
Rich Felker ea71a9004e deduplicate TP_ADJ logic out of each arch, replace with TP_OFFSET
the only part of TP_ADJ that was not uniquely determined by
TLS_ABOVE_TP was the 0x7000 adjustment used mainly on mips and powerpc
variants.
2020-08-24 22:04:52 -04:00

20 lines
391 B
C

static inline struct pthread *__pthread_self()
{
#if __mips_isa_rev < 2
register char *tp __asm__("$3");
__asm__ (".word 0x7c03e83b" : "=r" (tp) );
#else
char *tp;
__asm__ ("rdhwr %0, $29" : "=r" (tp) );
#endif
return (pthread_t)(tp - 0x7000 - sizeof(struct pthread));
}
#define TLS_ABOVE_TP
#define GAP_ABOVE_TP 0
#define TP_OFFSET 0x7000
#define DTP_OFFSET 0x8000
#define MC_PC pc