diff options
Diffstat (limited to 'ports/sysdeps/mips/tls-macros.h')
-rw-r--r-- | ports/sysdeps/mips/tls-macros.h | 63 |
1 files changed, 61 insertions, 2 deletions
diff --git a/ports/sysdeps/mips/tls-macros.h b/ports/sysdeps/mips/tls-macros.h index 8fe2e4a150..3e87e42ea1 100644 --- a/ports/sysdeps/mips/tls-macros.h +++ b/ports/sysdeps/mips/tls-macros.h @@ -12,16 +12,33 @@ (abicalls pic0) function. */ #ifndef __PIC__ # if _MIPS_SIM != _ABI64 -# define LOAD_GP "move %[tmp], $28\n\tla $28, __gnu_local_gp\n\t" +# ifndef __mips16 +# define LOAD_GP "move %[tmp], $28\n\tla $28, __gnu_local_gp\n\t" +# else +# define LOAD_GP \ + "li %[tmp], %%hi(__gnu_local_gp)\n\t" \ + "sll %[tmp], 16\n\t" \ + "addiu %[tmp], %%lo(__gnu_local_gp)\n\t" +# endif # 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 +/* MIPS16 (re)creates the GP value using PC-relative instructions. */ +# ifdef __mips16 +# define LOAD_GP \ + "li %[tmp], %%hi(_gp_disp)\n\t" \ + "addiu %0, $pc, %%lo(_gp_disp)\n\t" \ + "sll %[tmp], 16\n\t" \ + "addu %[tmp], %0\n\t" +# else +# define LOAD_GP +# endif # define UNLOAD_GP #endif +#ifndef __mips16 # define TLS_GD(x) \ ({ void *__result, *__tmp; \ extern void *__tls_get_addr (void *); \ @@ -62,3 +79,45 @@ ADDU " %0,%0,$3" \ : "+r" (__result) : : "$3"); \ __result; }) + +#else /* __mips16 */ +/* MIPS16 version. */ +# define TLS_GD(x) \ + ({ void *__result, *__tmp; \ + extern void *__tls_get_addr (void *); \ + asm (LOAD_GP ADDIU " %1, %%tlsgd(" #x ")" \ + "\n\tmove %0, %1" \ + : "=d" (__result), [tmp] "=&d" (__tmp)); \ + (int *) __tls_get_addr (__result); }) +# define TLS_LD(x) \ + ({ void *__result, *__tmp; \ + extern void *__tls_get_addr (void *); \ + asm (LOAD_GP ADDIU " %1, %%tlsldm(" #x ")" \ + "\n\tmove %0, %1" \ + : "=d" (__result), [tmp] "=&d" (__tmp)); \ + __result = __tls_get_addr (__result); \ + asm ("li $3,%%dtprel_hi(" #x ")\n\t" \ + "sll $3,16\n\t" \ + "addiu $3,%%dtprel_lo(" #x ")\n\t" \ + ADDU " %0,%0,$3" \ + : "+d" (__result) : : "$3"); \ + __result; }) +# define TLS_IE(x) \ + ({ void *__result, *__tmp, *__tp; \ + __tp = __builtin_thread_pointer (); \ + asm (LOAD_GP LW " $3,%%gottprel(" #x ")(%1)\n\t" \ + ADDU " %0,%[tp],$3" \ + : "=&d" (__result), [tmp] "=&d" (__tmp) \ + : [tp] "d" (__tp) : "$3"); \ + __result; }) +# define TLS_LE(x) \ + ({ void *__result, *__tp; \ + __tp = __builtin_thread_pointer (); \ + asm ("li $3,%%tprel_hi(" #x ")\n\t" \ + "sll $3,16\n\t" \ + "addiu $3,%%tprel_lo(" #x ")\n\t" \ + ADDU " %0,%[tp],$3" \ + : "=d" (__result) : [tp] "d" (__tp) : "$3"); \ + __result; }) + +#endif /* __mips16 */ |