diff options
Diffstat (limited to 'ports/sysdeps/alpha/tls-macros.h')
| -rw-r--r-- | ports/sysdeps/alpha/tls-macros.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/ports/sysdeps/alpha/tls-macros.h b/ports/sysdeps/alpha/tls-macros.h new file mode 100644 index 0000000000..0385d93e2a --- /dev/null +++ b/ports/sysdeps/alpha/tls-macros.h @@ -0,0 +1,25 @@ +/* Macros to support TLS testing in times of missing compiler support. */ + +extern void *__tls_get_addr (void *); + +# define TLS_GD(x) \ + ({ void *__result; \ + asm ("lda %0, " #x "($gp) !tlsgd" : "=r" (__result)); \ + __tls_get_addr (__result); }) + +# define TLS_LD(x) \ + ({ void *__result; \ + asm ("lda %0, " #x "($gp) !tlsldm" : "=r" (__result)); \ + __result = __tls_get_addr (__result); \ + asm ("lda %0, " #x "(%0) !dtprel" : "+r" (__result)); \ + __result; }) + +# define TLS_IE(x) \ + ({ long ofs; \ + asm ("ldq %0, " #x "($gp) !gottprel" : "=r"(ofs)); \ + __builtin_thread_pointer () + ofs; }) + +# define TLS_LE(x) \ + ({ void *__result = __builtin_thread_pointer (); \ + asm ("lda %0, " #x "(%0) !tprel" : "+r" (__result)); \ + __result; }) |