/* Macros to support TLS testing in times of missing compiler support. */ #include #include #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; })