glibc/sysdeps/hppa/tls-macros.h
2014-04-29 04:20:39 -04:00

115 lines
2.8 KiB
C

/* TLS Access Macros for HP PARISC Linux */
/* HPPA Local Exec TLS access. */
#define TLS_LE(x) \
({ int * __result; \
unsigned long __tmp; \
asm ( \
" mfctl %%cr27, %1\n" \
" addil LR'" #x "-$tls_leoff$, %1\n" \
" ldo RR'" #x "-$tls_leoff$(%%r1), %0\n" \
: "=r" (__result), "=r" (__tmp) \
: \
: "r1" ); \
__result; \
})
/* HPPA Initial Exec TLS access. */
#ifdef PIC
# define TLS_IE(x) \
({ int * __result; \
unsigned long __tmp, __tmp2; \
asm ( \
" mfctl %%cr27, %1\n" \
" addil LT'" #x "-$tls_ieoff$, %%r19\n" \
" ldw RT'" #x "-$tls_ieoff$(%%r1), %2\n" \
" add %1, %2, %0\n" \
: "=r" (__result), "=r" (__tmp), "=r" (__tmp2) \
: \
: "r1" ); \
__result; \
})
#else
# define TLS_IE(x) \
({ int * __result; \
unsigned long __tmp, __tmp2; \
asm ( \
" mfctl %%cr27, %1\n" \
" addil LR'" #x "-$tls_ieoff$, %%r27\n" \
" ldw RR'" #x "-$tls_ieoff$(%%r1), %2\n" \
" add %1, %2, %0\n" \
: "=r" (__result), "=r" (__tmp), "=r" (__tmp2) \
: \
: "r1" ); \
__result; \
})
#endif
#ifdef PIC
/* HPPA Local Dynamic TLS access. */
# define TLS_LD(x) \
({ int * __result; \
asm ( \
" copy %%r19, %%r4\n" \
" addil LT'" #x "-$tls_ldidx$, %%r19\n" \
" bl __tls_get_addr, %%r2\n" \
" ldo RT'" #x "-$tls_ldidx$(%%r1), %%r26\n" \
" addil LR'" #x "-$tls_dtpoff$, %%r28\n" \
" ldo RR'" #x "-$tls_dtpoff$(%%r1), %0\n" \
" copy %%r4, %%r19\n" \
: "=r" (__result) \
: \
: "r1", "r2", "r4", "r20", "r21", "r22", "r23", "r24", \
"r25", "r26", "r28", "r29", "r31" ); \
__result; \
})
#else
# define TLS_LD(x) \
({ int * __result; \
asm ( \
" addil LR'" #x "-$tls_ldidx$, %%r27\n" \
" bl __tls_get_addr, %%r2\n" \
" ldo RR'" #x "-$tls_ldidx$(%%r1), %%r26\n" \
" addil LR'" #x "-$tls_dtpoff$, %%r28\n" \
" ldo RR'" #x "-$tls_dtpoff$(%%r1), %0\n" \
: "=r" (__result) \
: \
: "r1", "r2", "r20", "r21", "r22", "r23", "r24", \
"r25", "r26", "r28", "r29", "r31" ); \
__result; \
})
#endif
/* HPPA General Dynamic TLS access. */
#ifdef PIC
# define TLS_GD(x) \
({ int * __result; \
asm ( \
" copy %%r19, %%r4\n" \
" addil LT'" #x "-$tls_gdidx$, %%r19\n" \
" bl __tls_get_addr, %%r2\n" \
" ldo RT'" #x "-$tls_gdidx$(%%r1), %%r26\n" \
" copy %%r28, %0\n" \
" copy %%r4, %%r19\n" \
: "=r" (__result) \
: \
: "r1", "r2", "r4", "r20", "r21", "r22", "r23", "r24", \
"r25", "r26", "r28", "r29", "r31" ); \
__result; \
})
#else
# define TLS_GD(x) \
({ int * __result; \
asm ( \
" addil LR'" #x "-$tls_gdidx$, %%r27\n" \
" bl __tls_get_addr, %%r2\n" \
" ldo RR'" #x "-$tls_gdidx$(%%r1), %%r26\n" \
" copy %%r28, %0\n" \
: "=r" (__result) \
: \
: "r1", "r2", "r20", "r21", "r22", "r23", "r24", \
"r25", "r26", "r28", "r29", "r31" ); \
__result; \
})
#endif