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- /* Macros to support TLS testing in times of missing compiler support. */
- #include <sys/cdefs.h>
- #include <sys/asm.h>
- #define __STRING2(X) __STRING(X)
- #define ADDU __STRING2(PTR_ADDU)
- #define ADDIU __STRING2(PTR_ADDIU)
- #define LW __STRING2(PTR_L)
- /* Load the GOT pointer, which may not be in $28 in a non-PIC
- (abicalls pic0) function. */
- #ifndef __PIC__
- # if _MIPS_SIM != _ABI64
- # define LOAD_GP "move %[tmp], $28\n\tla $28, __gnu_local_gp\n\t"
- # else
- # define LOAD_GP "move %[tmp], $28\n\tdla $28, __gnu_local_gp\n\t"
- # endif
- # define UNLOAD_GP "\n\tmove $28, %[tmp]"
- #else
- # define LOAD_GP
- # define UNLOAD_GP
- #endif
- # define TLS_GD(x) \
- ({ void *__result, *__tmp; \
- extern void *__tls_get_addr (void *); \
- __asm__ (LOAD_GP ADDIU " %0, $28, %%tlsgd(" #x ")" \
- UNLOAD_GP \
- : "=r" (__result), [tmp] "=&r" (__tmp)); \
- (int *)__tls_get_addr (__result); })
- # define TLS_LD(x) \
- ({ void *__result, *__tmp; \
- extern void *__tls_get_addr (void *); \
- __asm__ (LOAD_GP ADDIU " %0, $28, %%tlsldm(" #x ")" \
- UNLOAD_GP \
- : "=r" (__result), [tmp] "=&r" (__tmp)); \
- __result = __tls_get_addr (__result); \
- __asm__ ("lui $3,%%dtprel_hi(" #x ")\n\t" \
- "addiu $3,$3,%%dtprel_lo(" #x ")\n\t" \
- ADDU " %0,%0,$3" \
- : "+r" (__result) : : "$3"); \
- __result; })
- # define TLS_IE(x) \
- ({ void *__result, *__tmp; \
- __asm__ (".set push\n\t.set mips32r2\n\t" \
- "rdhwr\t%0,$29\n\t.set pop" \
- : "=v" (__result)); \
- __asm__ (LOAD_GP LW " $3,%%gottprel(" #x ")($28)\n\t" \
- ADDU " %0,%0,$3" \
- UNLOAD_GP \
- : "+r" (__result), [tmp] "=&r" (__tmp) \
- : : "$3"); \
- __result; })
- # define TLS_LE(x) \
- ({ void *__result; \
- __asm__ (".set push\n\t.set mips32r2\n\t" \
- "rdhwr\t%0,$29\n\t.set pop" \
- : "=v" (__result)); \
- __asm__ ("lui $3,%%tprel_hi(" #x ")\n\t" \
- "addiu $3,$3,%%tprel_lo(" #x ")\n\t" \
- ADDU " %0,%0,$3" \
- : "+r" (__result) : : "$3"); \
- __result; })
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