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| author | Joseph Myers <joseph@codesourcery.com> | 2012-07-01 13:08:59 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2012-07-01 13:08:59 +0000 |
| commit | e84eabb3871c9b39e59323bf3f6b98c2ca9d1cd0 (patch) | |
| tree | dff3f1b79454b518d15a7b9bbedeb57ff156bbe8 /ports/sysdeps/alpha/tls-macros.h | |
| parent | 75f0d3040a2c2de8842bfa7a09e11da1a73e17d0 (diff) | |
| parent | e64ac02c24b43659048622714afdc92fedf561fa (diff) | |
Merge glibc-ports into ports/ directory.glibc-2.16-ports-merge
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; }) |